- tag for 1.5.10rc1 release.

git-svn-id: file:///svn/unbound/trunk@3865 be551aaa-1e26-0410-a405-d3ace91eadb9

.gitignore

@@ -0,0 +1,38 @@
+*.lo
+*.o
+/.libs/
+/Makefile
+/autom4te.cache/
+/config.h
+/config.log
+/config.status
+/dnstap/dnstap_config.h
+/doc/example.conf
+/doc/libunbound.3
+/doc/unbound-anchor.8
+/doc/unbound-checkconf.8
+/doc/unbound-control.8
+/doc/unbound-host.1
+/doc/unbound.8
+/doc/unbound.conf.5
+/libtool
+/libunbound.la
+/smallapp/unbound-control-setup.sh
+/unbound
+/unbound-anchor
+/unbound-checkconf
+/unbound-control
+/unbound-control-setup
+/unbound-host
+/unbound.h
+/asynclook
+/delayer
+/lock-verify
+/memstats
+/perf
+/petal
+/pktview
+/streamtcp
+/testbound
+/unittest
+

Makefile.in

@@ -38,6 +38,7 @@ UNBOUND_VERSION_MINOR=@UNBOUND_VERSION_MINOR@
 UNBOUND_VERSION_MICRO=@UNBOUND_VERSION_MICRO@
 ALLTARGET=@ALLTARGET@
 INSTALLTARGET=@INSTALLTARGET@
+SSLLIB=@SSLLIB@
 
 # _unbound.la if pyunbound enabled.
 PYUNBOUND_TARGET=@PYUNBOUND_TARGET@
@@ -53,6 +54,7 @@ LEX=@LEX@
 STRIP=@STRIP@
 CC=@CC@
 CPPFLAGS=-I. @CPPFLAGS@
+PYTHON_CPPFLAGS=-I. @PYTHON_CPPFLAGS@
 CFLAGS=@CFLAGS@
 LDFLAGS=@LDFLAGS@
 LIBS=@LIBS@
@@ -79,7 +81,7 @@ LINTFLAGS+=@NETBSD_LINTFLAGS@
 # compat with OpenBSD
 LINTFLAGS+="-Dsigset_t=long"
 # FreeBSD
-LINTFLAGS+="-D__uint16_t=uint16_t" "-DEVP_PKEY_ASN1_METHOD=int" "-D_RuneLocale=int" "-D__va_list=va_list"
+LINTFLAGS+="-D__uint16_t=uint16_t" "-DEVP_PKEY_ASN1_METHOD=int" "-D_RuneLocale=int" "-D__va_list=va_list" "-D__uint32_t=uint32_t"
 
 INSTALL=$(SHELL) $(srcdir)/install-sh
 
@@ -94,7 +96,7 @@ PYUNBOUND_SRC=
 # libunbound_wrap.lo if python libunbound wrapper enabled.
 PYUNBOUND_OBJ=@PYUNBOUND_OBJ@
 COMMON_SRC=services/cache/dns.c services/cache/infra.c services/cache/rrset.c \
-util/data/dname.c util/data/msgencode.c util/data/msgparse.c \
+util/as112.c util/data/dname.c util/data/msgencode.c util/data/msgparse.c \
 util/data/msgreply.c util/data/packed_rrset.c iterator/iterator.c \
 iterator/iter_delegpt.c iterator/iter_donotq.c iterator/iter_fwd.c \
 iterator/iter_hints.c iterator/iter_priv.c iterator/iter_resptype.c \
@@ -106,13 +108,14 @@ util/fptr_wlist.c util/locks.c util/log.c util/mini_event.c util/module.c \
 util/netevent.c util/net_help.c util/random.c util/rbtree.c util/regional.c \
 util/rtt.c util/storage/dnstree.c util/storage/lookup3.c \
 util/storage/lruhash.c util/storage/slabhash.c util/timehist.c util/tube.c \
-util/winsock_event.c validator/autotrust.c validator/val_anchor.c \
-validator/validator.c validator/val_kcache.c validator/val_kentry.c \
-validator/val_neg.c validator/val_nsec3.c validator/val_nsec.c \
-validator/val_secalgo.c validator/val_sigcrypt.c \
-validator/val_utils.c dns64/dns64.c $(CHECKLOCK_SRC) $(DNSTAP_SRC)
+util/ub_event.c util/ub_event_pluggable.c util/winsock_event.c \
+validator/autotrust.c validator/val_anchor.c validator/validator.c \
+validator/val_kcache.c validator/val_kentry.c validator/val_neg.c \
+validator/val_nsec3.c validator/val_nsec.c validator/val_secalgo.c \
+validator/val_sigcrypt.c validator/val_utils.c dns64/dns64.c cachedb/cachedb.c $(CHECKLOCK_SRC) \
+$(DNSTAP_SRC)
 COMMON_OBJ_WITHOUT_NETCALL=dns.lo infra.lo rrset.lo dname.lo msgencode.lo \
-msgparse.lo msgreply.lo packed_rrset.lo iterator.lo iter_delegpt.lo \
+as112.lo msgparse.lo msgreply.lo packed_rrset.lo iterator.lo iter_delegpt.lo \
 iter_donotq.lo iter_fwd.lo iter_hints.lo iter_priv.lo iter_resptype.lo \
 iter_scrub.lo iter_utils.lo localzone.lo mesh.lo modstack.lo \
 outbound_list.lo alloc.lo config_file.lo configlexer.lo configparser.lo \
@@ -120,10 +123,11 @@ fptr_wlist.lo locks.lo log.lo mini_event.lo module.lo net_help.lo \
 random.lo rbtree.lo regional.lo rtt.lo dnstree.lo lookup3.lo lruhash.lo \
 slabhash.lo timehist.lo tube.lo winsock_event.lo autotrust.lo val_anchor.lo \
 validator.lo val_kcache.lo val_kentry.lo val_neg.lo val_nsec3.lo val_nsec.lo \
-val_secalgo.lo val_sigcrypt.lo val_utils.lo dns64.lo \
+val_secalgo.lo val_sigcrypt.lo val_utils.lo dns64.lo cachedb.lo \
 $(PYTHONMOD_OBJ) $(CHECKLOCK_OBJ) $(DNSTAP_OBJ)
-COMMON_OBJ=$(COMMON_OBJ_WITHOUT_NETCALL) netevent.lo listen_dnsport.lo \
+COMMON_OBJ_WITHOUT_UB_EVENT=$(COMMON_OBJ_WITHOUT_NETCALL) netevent.lo listen_dnsport.lo \
 outside_network.lo
+COMMON_OBJ=$(COMMON_OBJ_WITHOUT_UB_EVENT) ub_event.lo
 # set to $COMMON_OBJ or to "" if --enableallsymbols
 COMMON_OBJ_ALL_SYMBOLS=@COMMON_OBJ_ALL_SYMBOLS@
 COMPAT_SRC=compat/ctime_r.c compat/fake-rfc2553.c compat/gmtime_r.c \
@@ -132,7 +136,8 @@ compat/memcmp.c compat/memmove.c compat/snprintf.c compat/strlcat.c \
 compat/strlcpy.c compat/strptime.c compat/getentropy_linux.c \
 compat/getentropy_osx.c compat/getentropy_solaris.c compat/getentropy_win.c \
 compat/explicit_bzero.c compat/arc4random.c compat/arc4random_uniform.c \
-compat/arc4_lock.c compat/sha512.c compat/reallocarray.c
+compat/arc4_lock.c compat/sha512.c compat/reallocarray.c compat/isblank.c \
+compat/strsep.c
 COMPAT_OBJ=$(LIBOBJS:.o=.lo)
 COMPAT_OBJ_WITHOUT_CTIME=$(LIBOBJ_WITHOUT_CTIME:.o=.lo)
 COMPAT_OBJ_WITHOUT_CTIMEARC4=$(LIBOBJ_WITHOUT_CTIMEARC4:.o=.lo)
@@ -175,7 +180,8 @@ daemon/worker.c daemon/acl_list.c daemon/daemon.c daemon/stats.c \
 testcode/replay.c testcode/fake_event.c
 TESTBOUND_OBJ=testbound.lo replay.lo fake_event.lo
 TESTBOUND_OBJ_LINK=$(TESTBOUND_OBJ) testpkts.lo worker.lo acl_list.lo \
-daemon.lo stats.lo $(COMMON_OBJ_WITHOUT_NETCALL) $(SLDNS_OBJ) $(COMPAT_OBJ)
+daemon.lo stats.lo $(COMMON_OBJ_WITHOUT_NETCALL) ub_event.lo $(SLDNS_OBJ) \
+$(COMPAT_OBJ)
 LOCKVERIFY_SRC=testcode/lock_verify.c
 LOCKVERIFY_OBJ=lock_verify.lo
 LOCKVERIFY_OBJ_LINK=$(LOCKVERIFY_OBJ) worker_cb.lo $(COMMON_OBJ) $(COMPAT_OBJ) \
@@ -207,22 +213,22 @@ DELAYER_OBJ_LINK=$(DELAYER_OBJ) worker_cb.lo $(COMMON_OBJ) $(COMPAT_OBJ) \
 $(SLDNS_OBJ)
 LIBUNBOUND_SRC=libunbound/context.c libunbound/libunbound.c \
 libunbound/libworker.c
-LIBUNBOUND_OBJ=context.lo libunbound.lo libworker.lo
-LIBUNBOUND_OBJ_LINK=$(LIBUNBOUND_OBJ) $(COMMON_OBJ) $(SLDNS_OBJ) $(COMPAT_OBJ)
+LIBUNBOUND_OBJ=context.lo libunbound.lo libworker.lo ub_event_pluggable.lo
+LIBUNBOUND_OBJ_LINK=$(LIBUNBOUND_OBJ) $(COMMON_OBJ_WITHOUT_UB_EVENT) $(SLDNS_OBJ) $(COMPAT_OBJ)
 
 # win apps or "" if not on windows
 WINAPPS=@WINAPPS@
 WIN_DAEMON_THE_SRC=winrc/win_svc.c winrc/w_inst.c
 SVCINST_SRC=winrc/unbound-service-install.c
 SVCINST_OBJ=unbound-service-install.lo
-SVCINST_OBJ_LINK=$(SVCINST_OBJ) w_inst.lo rsrc_svcinst.o $(COMPAT_OBJ_WITHOUT_CTIME)
+SVCINST_OBJ_LINK=$(SVCINST_OBJ) w_inst.lo rsrc_svcinst.o $(COMPAT_OBJ_WITHOUT_CTIMEARC4)
 SVCUNINST_SRC=winrc/unbound-service-remove.c
 SVCUNINST_OBJ=unbound-service-remove.lo
 SVCUNINST_OBJ_LINK=$(SVCUNINST_OBJ) w_inst.lo rsrc_svcuninst.o \
-$(COMPAT_OBJ_WITHOUT_CTIME)
+$(COMPAT_OBJ_WITHOUT_CTIMEARC4)
 ANCHORUPD_SRC=winrc/anchor-update.c
 ANCHORUPD_OBJ=anchor-update.lo
-ANCHORUPD_OBJ_LINK=$(ANCHORUPD_OBJ) rsrc_anchorupd.o $(COMPAT_OBJ_WITHOUT_CTIME)
+ANCHORUPD_OBJ_LINK=$(ANCHORUPD_OBJ) rsrc_anchorupd.o $(COMPAT_OBJ_WITHOUT_CTIMEARC4) wire2str.lo str2wire.lo parseutil.lo sbuffer.lo  rrdef.lo keyraw.lo  parse.lo
 RSRC_OBJ=rsrc_svcinst.o rsrc_svcuninst.o rsrc_anchorupd.o rsrc_unbound.o \
 	rsrc_unbound_host.o rsrc_unbound_anchor.o rsrc_unbound_control.o \
 	rsrc_unbound_checkconf.o
@@ -242,7 +248,7 @@ ALL_OBJ=$(COMMON_OBJ) $(UNITTEST_OBJ) $(DAEMON_OBJ) \
 	$(COMPAT_OBJ) $(PYUNBOUND_OBJ) \
 	$(SVCINST_OBJ) $(SVCUNINST_OBJ) $(ANCHORUPD_OBJ) $(SLDNS_OBJ)
 
-COMPILE=$(LIBTOOL) --tag=CC --mode=compile $(CC) $(CPPFLAGS) $(CFLAGS)
+COMPILE=$(LIBTOOL) --tag=CC --mode=compile $(CC) $(CPPFLAGS) $(CFLAGS) @PTHREAD_CFLAGS_ONLY@
 LINK=$(LIBTOOL) --tag=CC --mode=link $(CC) $(staticexe) $(RUNTIME_PATH) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS)
 LINK_LIB=$(LIBTOOL) --tag=CC --mode=link $(CC) $(RUNTIME_PATH) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $(staticexe) -version-info @LIBUNBOUND_CURRENT@:@LIBUNBOUND_REVISION@:@LIBUNBOUND_AGE@ -no-undefined
 
@@ -295,22 +301,22 @@ longtest:	tests
 lib:	libunbound.la unbound.h
 
 libunbound.la:	$(LIBUNBOUND_OBJ_LINK)
-	$(LINK_LIB) $(UBSYMS) -o $@ $(LIBUNBOUND_OBJ_LINK) -rpath $(libdir) -lssl $(LIBS)
+	$(LINK_LIB) $(UBSYMS) -o $@ $(LIBUNBOUND_OBJ_LINK) -rpath $(libdir) $(SSLLIB) $(LIBS)
 
 unbound$(EXEEXT):	$(DAEMON_OBJ_LINK) libunbound.la
-	$(LINK) -o $@ $(DAEMON_OBJ_LINK) $(EXTRALINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(DAEMON_OBJ_LINK) $(EXTRALINK) $(SSLLIB) $(LIBS)
 
 unbound-checkconf$(EXEEXT):	$(CHECKCONF_OBJ_LINK) libunbound.la
-	$(LINK) -o $@ $(CHECKCONF_OBJ_LINK) $(EXTRALINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(CHECKCONF_OBJ_LINK) $(EXTRALINK) $(SSLLIB) $(LIBS)
 
 unbound-control$(EXEEXT):	$(CONTROL_OBJ_LINK) libunbound.la
-	$(LINK) -o $@ $(CONTROL_OBJ_LINK) $(EXTRALINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(CONTROL_OBJ_LINK) $(EXTRALINK) $(SSLLIB) $(LIBS)
 
 unbound-host$(EXEEXT):	$(HOST_OBJ_LINK) libunbound.la
 	$(LINK) -o $@ $(HOST_OBJ_LINK) -L. -L.libs -lunbound $(LIBS)
 
 unbound-anchor$(EXEEXT):	$(UBANCHOR_OBJ_LINK) libunbound.la
-	$(LINK) -o $@ $(UBANCHOR_OBJ_LINK) -L. -L.libs -lunbound -lexpat -lssl $(LIBS)
+	$(LINK) -o $@ $(UBANCHOR_OBJ_LINK) -L. -L.libs -lunbound -lexpat $(SSLLIB) $(LIBS)
 
 unbound-service-install$(EXEEXT):	$(SVCINST_OBJ_LINK)
 	$(LINK) -o $@ $(SVCINST_OBJ_LINK) $(LIBS)
@@ -322,37 +328,37 @@ anchor-update$(EXEEXT):  $(ANCHORUPD_OBJ_LINK) libunbound.la
 	$(LINK) -o $@ $(ANCHORUPD_OBJ_LINK) -L. -L.libs -lunbound $(LIBS)
 
 unittest$(EXEEXT):	$(UNITTEST_OBJ_LINK)
-	$(LINK) -o $@ $(UNITTEST_OBJ_LINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(UNITTEST_OBJ_LINK) $(SSLLIB) $(LIBS)
 
 testbound$(EXEEXT):	$(TESTBOUND_OBJ_LINK)
-	$(LINK) -o $@ $(TESTBOUND_OBJ_LINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(TESTBOUND_OBJ_LINK) $(SSLLIB) $(LIBS)
 
 lock-verify$(EXEEXT):	$(LOCKVERIFY_OBJ_LINK)
-	$(LINK) -o $@ $(LOCKVERIFY_OBJ_LINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(LOCKVERIFY_OBJ_LINK) $(SSLLIB) $(LIBS)
 
 petal$(EXEEXT):	$(PETAL_OBJ_LINK)
-	$(LINK) -o $@ $(PETAL_OBJ_LINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(PETAL_OBJ_LINK) $(SSLLIB) $(LIBS)
 
 pktview$(EXEEXT):	$(PKTVIEW_OBJ_LINK)
-	$(LINK) -o $@ $(PKTVIEW_OBJ_LINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(PKTVIEW_OBJ_LINK) $(SSLLIB) $(LIBS)
 
 memstats$(EXEEXT):	$(MEMSTATS_OBJ_LINK)
-	$(LINK) -o $@ $(MEMSTATS_OBJ_LINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(MEMSTATS_OBJ_LINK) $(SSLLIB) $(LIBS)
 
 asynclook$(EXEEXT):	$(ASYNCLOOK_OBJ_LINK) libunbound.la
 	$(LINK) -o $@ $(ASYNCLOOK_OBJ_LINK) $(LIBS) -L. -L.libs -lunbound
 
 streamtcp$(EXEEXT):	$(STREAMTCP_OBJ_LINK)
-	$(LINK) -o $@ $(STREAMTCP_OBJ_LINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(STREAMTCP_OBJ_LINK) $(SSLLIB) $(LIBS)
 
 perf$(EXEEXT):	$(PERF_OBJ_LINK)
-	$(LINK) -o $@ $(PERF_OBJ_LINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(PERF_OBJ_LINK) $(SSLLIB) $(LIBS)
 
 delayer$(EXEEXT):	$(DELAYER_OBJ_LINK)
-	$(LINK) -o $@ $(DELAYER_OBJ_LINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(DELAYER_OBJ_LINK) $(SSLLIB) $(LIBS)
 
 signit$(EXEEXT):	testcode/signit.c
-	$(CC) $(CPPFLAGS) $(CFLAGS) -o $@ testcode/signit.c $(LDFLAGS) -lldns -lssl $(LIBS)
+	$(CC) $(CPPFLAGS) $(CFLAGS) @PTHREAD_CFLAGS_ONLY@ -o $@ testcode/signit.c $(LDFLAGS) -lldns $(SSLLIB) $(LIBS)
 
 unbound.h:	$(srcdir)/libunbound/unbound.h
 	sed -e 's/@''UNBOUND_VERSION_MAJOR@/$(UNBOUND_VERSION_MAJOR)/' -e 's/@''UNBOUND_VERSION_MINOR@/$(UNBOUND_VERSION_MINOR)/' -e 's/@''UNBOUND_VERSION_MICRO@/$(UNBOUND_VERSION_MICRO)/' < $(srcdir)/libunbound/unbound.h > $@
@@ -388,13 +394,13 @@ pythonmod.lo pythonmod.o: $(srcdir)/pythonmod/pythonmod.c config.h \
 
 pythonmod/interface.h:	$(srcdir)/pythonmod/interface.i config.h
 	@-if test ! -d pythonmod; then $(INSTALL) -d pythonmod; fi
-	$(SWIG) $(CPPFLAGS) -o $@ -python $(srcdir)/pythonmod/interface.i
+	$(SWIG) $(PYTHON_CPPFLAGS) -o $@ -python $(srcdir)/pythonmod/interface.i
 
 libunbound_wrap.lo libunbound_wrap.o: libunbound/python/libunbound_wrap.c \
 	unbound.h
 libunbound/python/libunbound_wrap.c:	$(srcdir)/libunbound/python/libunbound.i unbound.h
 	@-if test ! -d libunbound/python; then $(INSTALL) -d libunbound/python; fi
-	$(SWIG) -python -o $@ $(CPPFLAGS) -DPY_MAJOR_VERSION=$(PY_MAJOR_VERSION) $(srcdir)/libunbound/python/libunbound.i
+	$(SWIG) -python -o $@ $(PYTHON_CPPFLAGS) -DPY_MAJOR_VERSION=$(PY_MAJOR_VERSION) $(srcdir)/libunbound/python/libunbound.i
 
 # Pyunbound python unbound wrapper
 _unbound.la:	libunbound_wrap.lo libunbound.la
@@ -505,11 +511,11 @@ install-all:	all $(PYTHONMOD_INSTALL) $(PYUNBOUND_INSTALL) $(UNBOUND_EVENT_INSTA
 	$(INSTALL) -m 755 -d $(DESTDIR)$(mandir)/man8
 	$(INSTALL) -m 755 -d $(DESTDIR)$(mandir)/man5
 	$(INSTALL) -m 755 -d $(DESTDIR)$(mandir)/man1
-	$(LIBTOOL) --mode=install cp unbound$(EXEEXT) $(DESTDIR)$(sbindir)/unbound$(EXEEXT)
-	$(LIBTOOL) --mode=install cp unbound-checkconf$(EXEEXT) $(DESTDIR)$(sbindir)/unbound-checkconf$(EXEEXT)
-	$(LIBTOOL) --mode=install cp unbound-control$(EXEEXT) $(DESTDIR)$(sbindir)/unbound-control$(EXEEXT)
-	$(LIBTOOL) --mode=install cp unbound-host$(EXEEXT) $(DESTDIR)$(sbindir)/unbound-host$(EXEEXT)
-	$(LIBTOOL) --mode=install cp unbound-anchor$(EXEEXT) $(DESTDIR)$(sbindir)/unbound-anchor$(EXEEXT)
+	$(LIBTOOL) --mode=install cp -f unbound$(EXEEXT) $(DESTDIR)$(sbindir)/unbound$(EXEEXT)
+	$(LIBTOOL) --mode=install cp -f unbound-checkconf$(EXEEXT) $(DESTDIR)$(sbindir)/unbound-checkconf$(EXEEXT)
+	$(LIBTOOL) --mode=install cp -f unbound-control$(EXEEXT) $(DESTDIR)$(sbindir)/unbound-control$(EXEEXT)
+	$(LIBTOOL) --mode=install cp -f unbound-host$(EXEEXT) $(DESTDIR)$(sbindir)/unbound-host$(EXEEXT)
+	$(LIBTOOL) --mode=install cp -f unbound-anchor$(EXEEXT) $(DESTDIR)$(sbindir)/unbound-anchor$(EXEEXT)
 	$(INSTALL) -c -m 644 doc/unbound.8 $(DESTDIR)$(mandir)/man8
 	$(INSTALL) -c -m 644 doc/unbound-checkconf.8 $(DESTDIR)$(mandir)/man8
 	$(INSTALL) -c -m 644 doc/unbound-control.8 $(DESTDIR)$(mandir)/man8
@@ -550,7 +556,7 @@ uninstall:	$(PYTHONMOD_UNINSTALL) $(PYUNBOUND_UNINSTALL) $(UNBOUND_EVENT_UNINSTA
 	@echo "You still need to remove "`dirname $(DESTDIR)$(configfile)`" , $(DESTDIR)$(configfile) by hand"
 
 iana_update:
-	curl -o port-numbers.tmp http://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xml --compressed
+	curl -o port-numbers.tmp https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xml --compressed
 	if file port-numbers.tmp | grep 'gzip' >/dev/null; then zcat port-numbers.tmp; else cat port-numbers.tmp; fi | awk '/<record>/ {p=0;} /<protocol>udp/ {p=1;} /<protocol>[^u]/ {p=0;} /Decomissioned|Decommissioned|Removed|De-registered|unassigned|Unassigned|Reserved/ {u=1;} /<number>/ { if(u==1) {u=0;} else { if(p==1) { match($$0,/[0-9]+/); print substr($$0, RSTART, RLENGTH) ","}}}' | sort -nu > util/iana_ports.inc  
 	rm -f port-numbers.tmp
 
@@ -566,7 +572,7 @@ DEPEND_TARGET2=Makefile.in
 # then, remove srcdir from the (generated) parser and lexer.
 # and mention the .lo
 depend:
-	(cd $(srcdir) ; $(CC) $(DEPFLAG) $(CPPFLAGS) $(CFLAGS) $(ALL_SRC) $(COMPAT_SRC)) | \
+	(cd $(srcdir) ; $(CC) $(DEPFLAG) $(CPPFLAGS) $(CFLAGS) @PTHREAD_CFLAGS_ONLY@ $(ALL_SRC) $(COMPAT_SRC)) | \
 		sed -e 's!'$$HOME'[^ ]* !!g' -e 's!'$$HOME'[^ ]*$$!!g' \
 			-e 's!/usr[^ ]* !!g' -e 's!/usr[^ ]*$$!!g' \
 			-e 's!/opt[^ ]* !!g' -e 's!/opt[^ ]*$$!!g' | \
@@ -611,6 +617,7 @@ rrset.lo rrset.o: $(srcdir)/services/cache/rrset.c config.h $(srcdir)/services/c
  $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/util/storage/slabhash.h \
  $(srcdir)/util/data/packed_rrset.h $(srcdir)/sldns/rrdef.h $(srcdir)/util/config_file.h \
  $(srcdir)/util/data/msgreply.h $(srcdir)/util/regional.h $(srcdir)/util/alloc.h
+as112.lo as112.o: $(srcdir)/util/as112.c $(srcdir)/util/as112.h
 dname.lo dname.o: $(srcdir)/util/data/dname.c config.h $(srcdir)/util/data/dname.h \
  $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/util/data/msgparse.h \
  $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/util/storage/lookup3.h $(srcdir)/sldns/sbuffer.h
@@ -621,9 +628,9 @@ msgencode.lo msgencode.o: $(srcdir)/util/data/msgencode.c config.h $(srcdir)/uti
  $(srcdir)/sldns/sbuffer.h
 msgparse.lo msgparse.o: $(srcdir)/util/data/msgparse.c config.h $(srcdir)/util/data/msgparse.h \
  $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/sldns/pkthdr.h \
- $(srcdir)/sldns/rrdef.h $(srcdir)/util/data/dname.h $(srcdir)/util/data/packed_rrset.h \
- $(srcdir)/util/storage/lookup3.h $(srcdir)/util/regional.h $(srcdir)/sldns/sbuffer.h $(srcdir)/sldns/parseutil.h \
- $(srcdir)/sldns/wire2str.h
+ $(srcdir)/sldns/rrdef.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/packed_rrset.h \
+ $(srcdir)/util/data/dname.h $(srcdir)/util/storage/lookup3.h $(srcdir)/util/regional.h $(srcdir)/sldns/sbuffer.h \
+ $(srcdir)/sldns/parseutil.h $(srcdir)/sldns/wire2str.h
 msgreply.lo msgreply.o: $(srcdir)/util/data/msgreply.c config.h $(srcdir)/util/data/msgreply.h \
  $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/util/data/packed_rrset.h \
  $(srcdir)/util/storage/lookup3.h $(srcdir)/util/alloc.h $(srcdir)/util/netevent.h $(srcdir)/util/net_help.h \
@@ -644,7 +651,7 @@ iterator.lo iterator.o: $(srcdir)/iterator/iterator.c config.h $(srcdir)/iterato
  $(srcdir)/util/rtt.h $(srcdir)/util/netevent.h $(srcdir)/util/net_help.h $(srcdir)/util/regional.h \
  $(srcdir)/util/data/dname.h $(srcdir)/util/data/msgencode.h $(srcdir)/util/fptr_wlist.h $(srcdir)/util/tube.h \
  $(srcdir)/services/mesh.h $(srcdir)/services/modstack.h $(srcdir)/util/config_file.h $(srcdir)/util/random.h \
- $(srcdir)/sldns/wire2str.h $(srcdir)/sldns/parseutil.h $(srcdir)/sldns/sbuffer.h
+ $(srcdir)/sldns/wire2str.h $(srcdir)/sldns/str2wire.h $(srcdir)/sldns/parseutil.h $(srcdir)/sldns/sbuffer.h
 iter_delegpt.lo iter_delegpt.o: $(srcdir)/iterator/iter_delegpt.c config.h $(srcdir)/iterator/iter_delegpt.h \
  $(srcdir)/util/log.h $(srcdir)/services/cache/dns.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h \
  $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/regional.h \
@@ -697,11 +704,12 @@ listen_dnsport.lo listen_dnsport.o: $(srcdir)/services/listen_dnsport.c config.h
  $(srcdir)/util/rbtree.h  $(srcdir)/util/log.h $(srcdir)/util/config_file.h \
  $(srcdir)/util/net_help.h $(srcdir)/sldns/sbuffer.h
 localzone.lo localzone.o: $(srcdir)/services/localzone.c config.h $(srcdir)/services/localzone.h \
- $(srcdir)/util/rbtree.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/sldns/str2wire.h $(srcdir)/sldns/rrdef.h \
- $(srcdir)/sldns/sbuffer.h $(srcdir)/util/regional.h $(srcdir)/util/config_file.h $(srcdir)/util/data/dname.h \
- $(srcdir)/util/storage/lruhash.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/data/msgencode.h \
- $(srcdir)/util/net_help.h $(srcdir)/util/netevent.h $(srcdir)/util/data/msgreply.h \
- $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h
+ $(srcdir)/util/rbtree.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/util/storage/dnstree.h \
+ $(srcdir)/sldns/str2wire.h $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/sbuffer.h $(srcdir)/util/regional.h \
+ $(srcdir)/util/config_file.h $(srcdir)/util/data/dname.h $(srcdir)/util/storage/lruhash.h \
+ $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/data/msgencode.h $(srcdir)/util/net_help.h \
+ $(srcdir)/util/netevent.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h \
+ $(srcdir)/util/as112.h
 mesh.lo mesh.o: $(srcdir)/services/mesh.c config.h $(srcdir)/services/mesh.h $(srcdir)/util/rbtree.h \
  $(srcdir)/util/netevent.h $(srcdir)/util/data/msgparse.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h \
  $(srcdir)/util/log.h $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/util/module.h \
@@ -715,7 +723,7 @@ modstack.lo modstack.o: $(srcdir)/services/modstack.c config.h $(srcdir)/service
  $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/util/fptr_wlist.h $(srcdir)/util/netevent.h \
  $(srcdir)/util/tube.h $(srcdir)/services/mesh.h $(srcdir)/util/rbtree.h $(srcdir)/dns64/dns64.h \
  $(srcdir)/iterator/iterator.h $(srcdir)/services/outbound_list.h $(srcdir)/validator/validator.h \
- $(srcdir)/validator/val_utils.h
+ $(srcdir)/validator/val_utils.h $(PYTHONMOD_HEADER) $(srcdir)/cachedb/cachedb.h
 outbound_list.lo outbound_list.o: $(srcdir)/services/outbound_list.c config.h \
  $(srcdir)/services/outbound_list.h $(srcdir)/services/outside_network.h $(srcdir)/util/rbtree.h \
  $(srcdir)/util/netevent.h 
@@ -727,8 +735,7 @@ outside_network.lo outside_network.o: $(srcdir)/services/outside_network.c confi
  $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/data/msgencode.h \
  $(srcdir)/util/data/dname.h $(srcdir)/util/net_help.h $(srcdir)/util/random.h $(srcdir)/util/fptr_wlist.h \
  $(srcdir)/util/module.h $(srcdir)/util/tube.h $(srcdir)/services/mesh.h $(srcdir)/services/modstack.h \
- $(srcdir)/sldns/sbuffer.h $(srcdir)/dnstap/dnstap.h \
- 
+ $(srcdir)/sldns/sbuffer.h $(srcdir)/dnstap/dnstap.h
 alloc.lo alloc.o: $(srcdir)/util/alloc.c config.h $(srcdir)/util/alloc.h $(srcdir)/util/locks.h $(srcdir)/util/log.h \
  $(srcdir)/util/regional.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h \
  $(srcdir)/util/fptr_wlist.h $(srcdir)/util/netevent.h $(srcdir)/util/module.h $(srcdir)/util/data/msgreply.h \
@@ -753,14 +760,15 @@ fptr_wlist.lo fptr_wlist.o: $(srcdir)/util/fptr_wlist.c config.h $(srcdir)/util/
  $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/util/tube.h \
  $(srcdir)/services/mesh.h $(srcdir)/util/rbtree.h $(srcdir)/services/modstack.h $(srcdir)/util/mini_event.h \
  $(srcdir)/util/rbtree.h $(srcdir)/services/outside_network.h  \
- $(srcdir)/services/localzone.h $(srcdir)/services/cache/infra.h $(srcdir)/util/storage/dnstree.h \
+ $(srcdir)/services/localzone.h $(srcdir)/util/storage/dnstree.h $(srcdir)/services/cache/infra.h \
  $(srcdir)/util/rtt.h $(srcdir)/services/cache/rrset.h $(srcdir)/util/storage/slabhash.h $(srcdir)/dns64/dns64.h \
  $(srcdir)/iterator/iterator.h $(srcdir)/services/outbound_list.h $(srcdir)/iterator/iter_fwd.h \
  $(srcdir)/validator/validator.h $(srcdir)/validator/val_utils.h $(srcdir)/validator/val_anchor.h \
  $(srcdir)/validator/val_nsec3.h $(srcdir)/validator/val_sigcrypt.h $(srcdir)/validator/val_kentry.h \
  $(srcdir)/validator/val_neg.h $(srcdir)/validator/autotrust.h $(srcdir)/libunbound/libworker.h \
  $(srcdir)/libunbound/context.h $(srcdir)/util/alloc.h $(srcdir)/libunbound/unbound.h \
- $(srcdir)/libunbound/worker.h $(srcdir)/sldns/sbuffer.h $(srcdir)/util/config_file.h
+ $(srcdir)/libunbound/worker.h $(srcdir)/sldns/sbuffer.h $(srcdir)/util/config_file.h \
+ $(PYTHONMOD_HEADER) $(srcdir)/cachedb/cachedb.h
 locks.lo locks.o: $(srcdir)/util/locks.c config.h $(srcdir)/util/locks.h $(srcdir)/util/log.h
 log.lo log.o: $(srcdir)/util/log.c config.h $(srcdir)/util/log.h $(srcdir)/util/locks.h $(srcdir)/sldns/sbuffer.h
 mini_event.lo mini_event.o: $(srcdir)/util/mini_event.c config.h $(srcdir)/util/mini_event.h $(srcdir)/util/rbtree.h \
@@ -771,19 +779,17 @@ mini_event.lo mini_event.o: $(srcdir)/util/mini_event.c config.h $(srcdir)/util/
 module.lo module.o: $(srcdir)/util/module.c config.h $(srcdir)/util/module.h $(srcdir)/util/storage/lruhash.h \
  $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/packed_rrset.h \
  $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h
-netevent.lo netevent.o: $(srcdir)/util/netevent.c config.h $(srcdir)/util/netevent.h $(srcdir)/util/log.h \
- $(srcdir)/util/net_help.h $(srcdir)/util/fptr_wlist.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h \
- $(srcdir)/util/module.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/packed_rrset.h \
+netevent.lo netevent.o: $(srcdir)/util/netevent.c config.h $(srcdir)/util/netevent.h $(srcdir)/util/ub_event.h \
+ $(srcdir)/util/log.h $(srcdir)/util/net_help.h $(srcdir)/util/fptr_wlist.h $(srcdir)/util/storage/lruhash.h \
+ $(srcdir)/util/locks.h $(srcdir)/util/module.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/packed_rrset.h \
  $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/util/tube.h \
  $(srcdir)/services/mesh.h $(srcdir)/util/rbtree.h $(srcdir)/services/modstack.h $(srcdir)/sldns/sbuffer.h \
- $(srcdir)/dnstap/dnstap.h  \
- $(srcdir)/util/mini_event.h $(srcdir)/util/rbtree.h
+ $(srcdir)/dnstap/dnstap.h 
 net_help.lo net_help.o: $(srcdir)/util/net_help.c config.h $(srcdir)/util/net_help.h $(srcdir)/util/log.h \
  $(srcdir)/util/data/dname.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/module.h \
  $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/data/msgparse.h \
  $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/util/regional.h $(srcdir)/sldns/parseutil.h \
- $(srcdir)/sldns/wire2str.h \
- 
+ $(srcdir)/sldns/wire2str.h
 random.lo random.o: $(srcdir)/util/random.c config.h $(srcdir)/util/random.h $(srcdir)/util/log.h
 rbtree.lo rbtree.o: $(srcdir)/util/rbtree.c config.h $(srcdir)/util/log.h $(srcdir)/util/fptr_wlist.h \
  $(srcdir)/util/netevent.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h \
@@ -808,7 +814,15 @@ tube.lo tube.o: $(srcdir)/util/tube.c config.h $(srcdir)/util/tube.h $(srcdir)/u
  $(srcdir)/util/netevent.h $(srcdir)/util/fptr_wlist.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h \
  $(srcdir)/util/module.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/packed_rrset.h \
  $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/services/mesh.h \
- $(srcdir)/util/rbtree.h $(srcdir)/services/modstack.h
+ $(srcdir)/util/rbtree.h $(srcdir)/services/modstack.h $(srcdir)/util/ub_event.h
+ub_event.lo ub_event.o: $(srcdir)/util/ub_event.c config.h $(srcdir)/util/ub_event.h $(srcdir)/util/log.h \
+ $(srcdir)/util/netevent.h $(srcdir)/util/tube.h $(srcdir)/util/mini_event.h $(srcdir)/util/rbtree.h
+ub_event_pluggable.lo ub_event_pluggable.o: $(srcdir)/util/ub_event_pluggable.c config.h $(srcdir)/util/ub_event.h \
+ $(srcdir)/libunbound/unbound-event.h $(srcdir)/util/netevent.h $(srcdir)/util/log.h $(srcdir)/util/fptr_wlist.h \
+ $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/module.h $(srcdir)/util/data/msgreply.h \
+ $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h \
+ $(srcdir)/sldns/rrdef.h $(srcdir)/util/tube.h $(srcdir)/services/mesh.h $(srcdir)/util/rbtree.h \
+ $(srcdir)/services/modstack.h $(srcdir)/util/mini_event.h $(srcdir)/util/rbtree.h
 winsock_event.lo winsock_event.o: $(srcdir)/util/winsock_event.c config.h
 autotrust.lo autotrust.o: $(srcdir)/validator/autotrust.c config.h $(srcdir)/validator/autotrust.h \
  $(srcdir)/util/rbtree.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h \
@@ -818,13 +832,12 @@ autotrust.lo autotrust.o: $(srcdir)/validator/autotrust.c config.h $(srcdir)/val
  $(srcdir)/util/net_help.h $(srcdir)/util/config_file.h $(srcdir)/util/regional.h $(srcdir)/util/random.h \
  $(srcdir)/services/mesh.h $(srcdir)/util/netevent.h $(srcdir)/services/modstack.h \
  $(srcdir)/services/cache/rrset.h $(srcdir)/util/storage/slabhash.h $(srcdir)/validator/val_kcache.h \
- $(srcdir)/sldns/sbuffer.h $(srcdir)/sldns/wire2str.h $(srcdir)/sldns/str2wire.h $(srcdir)/sldns/keyraw.h \
- 
+ $(srcdir)/sldns/sbuffer.h $(srcdir)/sldns/wire2str.h $(srcdir)/sldns/str2wire.h $(srcdir)/sldns/keyraw.h
 val_anchor.lo val_anchor.o: $(srcdir)/validator/val_anchor.c config.h $(srcdir)/validator/val_anchor.h \
  $(srcdir)/util/rbtree.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/validator/val_sigcrypt.h \
  $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h $(srcdir)/validator/autotrust.h \
- $(srcdir)/util/data/dname.h $(srcdir)/util/net_help.h $(srcdir)/util/config_file.h $(srcdir)/sldns/sbuffer.h \
- $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/str2wire.h
+ $(srcdir)/util/data/dname.h $(srcdir)/util/net_help.h $(srcdir)/util/config_file.h $(srcdir)/util/as112.h \
+ $(srcdir)/sldns/sbuffer.h $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/str2wire.h
 validator.lo validator.o: $(srcdir)/validator/validator.c config.h $(srcdir)/validator/validator.h \
  $(srcdir)/util/module.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h \
  $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/data/msgparse.h \
@@ -844,18 +857,16 @@ val_kcache.lo val_kcache.o: $(srcdir)/validator/val_kcache.c config.h $(srcdir)/
 val_kentry.lo val_kentry.o: $(srcdir)/validator/val_kentry.c config.h $(srcdir)/validator/val_kentry.h \
  $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/util/data/packed_rrset.h \
  $(srcdir)/util/data/dname.h $(srcdir)/util/storage/lookup3.h $(srcdir)/util/regional.h $(srcdir)/util/net_help.h \
- $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/keyraw.h \
- 
-val_neg.lo val_neg.o: $(srcdir)/validator/val_neg.c config.h \
- $(srcdir)/validator/val_neg.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/util/rbtree.h \
- $(srcdir)/validator/val_nsec.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h \
- $(srcdir)/validator/val_nsec3.h $(srcdir)/validator/val_utils.h $(srcdir)/util/data/dname.h \
- $(srcdir)/util/data/msgreply.h $(srcdir)/util/net_help.h $(srcdir)/util/config_file.h \
- $(srcdir)/services/cache/rrset.h $(srcdir)/util/storage/slabhash.h $(srcdir)/services/cache/dns.h \
- $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/sbuffer.h
-val_nsec3.lo val_nsec3.o: $(srcdir)/validator/val_nsec3.c config.h \
- $(srcdir)/validator/val_nsec3.h $(srcdir)/util/rbtree.h $(srcdir)/util/data/packed_rrset.h \
- $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/validator/validator.h \
+ $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/keyraw.h
+val_neg.lo val_neg.o: $(srcdir)/validator/val_neg.c config.h $(srcdir)/validator/val_neg.h $(srcdir)/util/locks.h \
+ $(srcdir)/util/log.h $(srcdir)/util/rbtree.h $(srcdir)/validator/val_nsec.h $(srcdir)/util/data/packed_rrset.h \
+ $(srcdir)/util/storage/lruhash.h $(srcdir)/validator/val_nsec3.h $(srcdir)/validator/val_utils.h \
+ $(srcdir)/util/data/dname.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/net_help.h \
+ $(srcdir)/util/config_file.h $(srcdir)/services/cache/rrset.h $(srcdir)/util/storage/slabhash.h \
+ $(srcdir)/services/cache/dns.h $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/sbuffer.h
+val_nsec3.lo val_nsec3.o: $(srcdir)/validator/val_nsec3.c config.h $(srcdir)/validator/val_nsec3.h \
+ $(srcdir)/util/rbtree.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h \
+ $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/validator/val_secalgo.h $(srcdir)/validator/validator.h \
  $(srcdir)/util/module.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h \
  $(srcdir)/sldns/rrdef.h $(srcdir)/validator/val_utils.h $(srcdir)/validator/val_kentry.h \
  $(srcdir)/services/cache/rrset.h $(srcdir)/util/storage/slabhash.h $(srcdir)/util/regional.h \
@@ -867,17 +878,15 @@ val_nsec.lo val_nsec.o: $(srcdir)/validator/val_nsec.c config.h $(srcdir)/valida
  $(srcdir)/sldns/rrdef.h $(srcdir)/services/cache/rrset.h $(srcdir)/util/storage/slabhash.h
 val_secalgo.lo val_secalgo.o: $(srcdir)/validator/val_secalgo.c config.h $(srcdir)/util/data/packed_rrset.h \
  $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/validator/val_secalgo.h \
- $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/keyraw.h \
- $(srcdir)/sldns/sbuffer.h \
- 
+ $(srcdir)/validator/val_nsec3.h $(srcdir)/util/rbtree.h $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/keyraw.h \
+ $(srcdir)/sldns/sbuffer.h
 val_sigcrypt.lo val_sigcrypt.o: $(srcdir)/validator/val_sigcrypt.c config.h \
  $(srcdir)/validator/val_sigcrypt.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h \
  $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/validator/val_secalgo.h $(srcdir)/validator/validator.h \
  $(srcdir)/util/module.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h \
  $(srcdir)/sldns/rrdef.h $(srcdir)/validator/val_utils.h $(srcdir)/util/data/dname.h $(srcdir)/util/rbtree.h \
- $(srcdir)/util/net_help.h $(srcdir)/util/regional.h $(srcdir)/sldns/keyraw.h \
- $(srcdir)/sldns/sbuffer.h $(srcdir)/sldns/parseutil.h $(srcdir)/sldns/wire2str.h \
- 
+ $(srcdir)/util/net_help.h $(srcdir)/util/regional.h $(srcdir)/sldns/keyraw.h $(srcdir)/sldns/sbuffer.h \
+ $(srcdir)/sldns/parseutil.h $(srcdir)/sldns/wire2str.h
 val_utils.lo val_utils.o: $(srcdir)/validator/val_utils.c config.h $(srcdir)/validator/val_utils.h \
  $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h \
  $(srcdir)/validator/validator.h $(srcdir)/util/module.h $(srcdir)/util/data/msgreply.h \
@@ -885,7 +894,7 @@ val_utils.lo val_utils.o: $(srcdir)/validator/val_utils.c config.h $(srcdir)/val
  $(srcdir)/validator/val_sigcrypt.h $(srcdir)/validator/val_anchor.h $(srcdir)/util/rbtree.h \
  $(srcdir)/validator/val_nsec.h $(srcdir)/validator/val_neg.h $(srcdir)/services/cache/rrset.h \
  $(srcdir)/util/storage/slabhash.h $(srcdir)/services/cache/dns.h $(srcdir)/util/data/dname.h \
- $(srcdir)/util/net_help.h $(srcdir)/util/regional.h
+ $(srcdir)/util/net_help.h $(srcdir)/util/regional.h $(srcdir)/sldns/wire2str.h $(srcdir)/sldns/parseutil.h
 dns64.lo dns64.o: $(srcdir)/dns64/dns64.c config.h $(srcdir)/dns64/dns64.h $(srcdir)/util/module.h \
  $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/util/data/msgreply.h \
  $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h \
@@ -893,13 +902,16 @@ dns64.lo dns64.o: $(srcdir)/dns64/dns64.c config.h $(srcdir)/dns64/dns64.h $(src
  $(srcdir)/util/storage/slabhash.h $(srcdir)/util/config_file.h $(srcdir)/util/fptr_wlist.h \
  $(srcdir)/util/netevent.h $(srcdir)/util/tube.h $(srcdir)/services/mesh.h $(srcdir)/util/rbtree.h \
  $(srcdir)/services/modstack.h $(srcdir)/util/net_help.h $(srcdir)/util/regional.h
+cachedb.lo cachedb.o: $(srcdir)/cachedb/cachedb.c config.h $(srcdir)/cachedb/cachedb.h $(srcdir)/util/module.h \
+ $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/util/data/msgreply.h \
+ $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h \
+ $(srcdir)/sldns/rrdef.h $(srcdir)/util/regional.h $(srcdir)/util/net_help.h $(srcdir)/util/config_file.h \
+ $(srcdir)/util/data/msgencode.h $(srcdir)/services/cache/dns.h $(srcdir)/validator/val_neg.h \
+ $(srcdir)/util/rbtree.h $(srcdir)/validator/val_secalgo.h $(srcdir)/iterator/iter_utils.h \
+ $(srcdir)/iterator/iter_resptype.h $(srcdir)/sldns/parseutil.h $(srcdir)/sldns/wire2str.h \
+ $(srcdir)/sldns/sbuffer.h
 checklocks.lo checklocks.o: $(srcdir)/testcode/checklocks.c config.h $(srcdir)/util/locks.h $(srcdir)/util/log.h \
  $(srcdir)/testcode/checklocks.h
-dnstap.lo dnstap.o: $(srcdir)/dnstap/dnstap.c  config.h $(srcdir)/sldns/sbuffer.h \
- $(srcdir)/util/config_file.h $(srcdir)/util/net_help.h $(srcdir)/util/log.h $(srcdir)/util/netevent.h \
- $(srcdir)/dnstap/dnstap.h \
- $(srcdir)/dnstap/dnstap.pb-c.h
-dnstap.pb-c.lo dnstap.pb-c.o: $(srcdir)/dnstap/dnstap.pb-c.c $(srcdir)/dnstap/dnstap.pb-c.h
 unitanchor.lo unitanchor.o: $(srcdir)/testcode/unitanchor.c config.h $(srcdir)/util/log.h $(srcdir)/util/data/dname.h \
  $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/testcode/unitmain.h \
  $(srcdir)/validator/val_anchor.h $(srcdir)/util/rbtree.h $(srcdir)/sldns/sbuffer.h $(srcdir)/sldns/rrdef.h
@@ -908,8 +920,7 @@ unitdname.lo unitdname.o: $(srcdir)/testcode/unitdname.c config.h $(srcdir)/util
  $(srcdir)/sldns/str2wire.h $(srcdir)/sldns/rrdef.h
 unitlruhash.lo unitlruhash.o: $(srcdir)/testcode/unitlruhash.c config.h $(srcdir)/testcode/unitmain.h \
  $(srcdir)/util/log.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/storage/slabhash.h
-unitmain.lo unitmain.o: $(srcdir)/testcode/unitmain.c config.h \
- $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/keyraw.h \
+unitmain.lo unitmain.o: $(srcdir)/testcode/unitmain.c config.h $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/keyraw.h \
  $(srcdir)/util/log.h $(srcdir)/testcode/unitmain.h $(srcdir)/util/alloc.h $(srcdir)/util/locks.h $(srcdir)/util/net_help.h \
  $(srcdir)/util/config_file.h $(srcdir)/util/rtt.h $(srcdir)/services/cache/infra.h \
  $(srcdir)/util/storage/lruhash.h $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h \
@@ -946,39 +957,37 @@ unitldns.lo unitldns.o: $(srcdir)/testcode/unitldns.c config.h $(srcdir)/util/lo
  $(srcdir)/sldns/sbuffer.h $(srcdir)/sldns/str2wire.h $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/wire2str.h
 acl_list.lo acl_list.o: $(srcdir)/daemon/acl_list.c config.h $(srcdir)/daemon/acl_list.h \
  $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h $(srcdir)/util/regional.h $(srcdir)/util/log.h \
- $(srcdir)/util/config_file.h $(srcdir)/util/net_help.h
-cachedump.lo cachedump.o: $(srcdir)/daemon/cachedump.c config.h \
- $(srcdir)/daemon/cachedump.h $(srcdir)/daemon/remote.h $(srcdir)/daemon/worker.h $(srcdir)/libunbound/worker.h \
- $(srcdir)/sldns/sbuffer.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h \
- $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/util/netevent.h $(srcdir)/util/alloc.h \
+ $(srcdir)/util/config_file.h $(srcdir)/util/net_help.h $(srcdir)/services/localzone.h $(srcdir)/util/locks.h \
+ $(srcdir)/sldns/str2wire.h $(srcdir)/sldns/rrdef.h
+cachedump.lo cachedump.o: $(srcdir)/daemon/cachedump.c config.h $(srcdir)/daemon/cachedump.h \
+ $(srcdir)/daemon/remote.h $(srcdir)/daemon/worker.h $(srcdir)/libunbound/worker.h $(srcdir)/sldns/sbuffer.h \
+ $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h \
+ $(srcdir)/util/netevent.h $(srcdir)/util/alloc.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h \
+ $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/daemon/stats.h $(srcdir)/util/timehist.h \
+ $(srcdir)/util/module.h $(srcdir)/dnstap/dnstap.h  \
+ $(srcdir)/services/cache/rrset.h $(srcdir)/util/storage/slabhash.h $(srcdir)/services/cache/dns.h \
+ $(srcdir)/services/cache/infra.h $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h $(srcdir)/util/rtt.h \
+ $(srcdir)/util/regional.h $(srcdir)/util/net_help.h $(srcdir)/util/data/dname.h $(srcdir)/iterator/iterator.h \
+ $(srcdir)/services/outbound_list.h $(srcdir)/iterator/iter_delegpt.h $(srcdir)/iterator/iter_utils.h \
+ $(srcdir)/iterator/iter_resptype.h $(srcdir)/iterator/iter_fwd.h $(srcdir)/iterator/iter_hints.h \
+ $(srcdir)/sldns/wire2str.h $(srcdir)/sldns/str2wire.h
+daemon.lo daemon.o: $(srcdir)/daemon/daemon.c config.h $(srcdir)/daemon/daemon.h $(srcdir)/util/locks.h \
+ $(srcdir)/util/log.h $(srcdir)/util/alloc.h $(srcdir)/services/modstack.h  \
+ $(srcdir)/daemon/worker.h $(srcdir)/libunbound/worker.h $(srcdir)/sldns/sbuffer.h \
+ $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/netevent.h \
  $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h \
  $(srcdir)/daemon/stats.h $(srcdir)/util/timehist.h $(srcdir)/util/module.h $(srcdir)/dnstap/dnstap.h \
-  $(srcdir)/services/cache/rrset.h $(srcdir)/util/storage/slabhash.h \
- $(srcdir)/services/cache/dns.h $(srcdir)/services/cache/infra.h $(srcdir)/util/storage/dnstree.h \
- $(srcdir)/util/rbtree.h $(srcdir)/util/rtt.h $(srcdir)/util/regional.h $(srcdir)/util/net_help.h \
- $(srcdir)/util/data/dname.h $(srcdir)/iterator/iterator.h $(srcdir)/services/outbound_list.h \
- $(srcdir)/iterator/iter_delegpt.h $(srcdir)/iterator/iter_utils.h $(srcdir)/iterator/iter_resptype.h \
- $(srcdir)/iterator/iter_fwd.h $(srcdir)/iterator/iter_hints.h $(srcdir)/sldns/wire2str.h \
- $(srcdir)/sldns/str2wire.h
-daemon.lo daemon.o: $(srcdir)/daemon/daemon.c config.h \
- $(srcdir)/daemon/daemon.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/util/alloc.h $(srcdir)/services/modstack.h \
-  $(srcdir)/daemon/worker.h $(srcdir)/libunbound/worker.h \
- $(srcdir)/sldns/sbuffer.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h \
- $(srcdir)/util/netevent.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h \
- $(srcdir)/sldns/rrdef.h $(srcdir)/daemon/stats.h $(srcdir)/util/timehist.h $(srcdir)/util/module.h \
- $(srcdir)/dnstap/dnstap.h $(srcdir)/daemon/remote.h \
- $(srcdir)/daemon/acl_list.h $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h \
+ $(srcdir)/daemon/remote.h $(srcdir)/daemon/acl_list.h $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h \
  $(srcdir)/util/config_file.h $(srcdir)/util/storage/lookup3.h $(srcdir)/util/storage/slabhash.h \
  $(srcdir)/services/listen_dnsport.h $(srcdir)/services/cache/rrset.h $(srcdir)/services/cache/infra.h \
  $(srcdir)/util/rtt.h $(srcdir)/services/localzone.h $(srcdir)/util/random.h $(srcdir)/util/tube.h \
  $(srcdir)/util/net_help.h $(srcdir)/sldns/keyraw.h
-remote.lo remote.o: $(srcdir)/daemon/remote.c config.h \
- $(srcdir)/daemon/remote.h \
- $(srcdir)/daemon/worker.h $(srcdir)/libunbound/worker.h $(srcdir)/sldns/sbuffer.h \
- $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h \
- $(srcdir)/util/netevent.h $(srcdir)/util/alloc.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h \
- $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/daemon/stats.h $(srcdir)/util/timehist.h \
- $(srcdir)/util/module.h $(srcdir)/dnstap/dnstap.h  $(srcdir)/daemon/daemon.h \
+remote.lo remote.o: $(srcdir)/daemon/remote.c config.h $(srcdir)/daemon/remote.h $(srcdir)/daemon/worker.h \
+ $(srcdir)/libunbound/worker.h $(srcdir)/sldns/sbuffer.h $(srcdir)/util/data/packed_rrset.h \
+ $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/util/netevent.h \
+ $(srcdir)/util/alloc.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h \
+ $(srcdir)/sldns/rrdef.h $(srcdir)/daemon/stats.h $(srcdir)/util/timehist.h $(srcdir)/util/module.h \
+ $(srcdir)/dnstap/dnstap.h  $(srcdir)/daemon/daemon.h \
  $(srcdir)/services/modstack.h $(srcdir)/daemon/cachedump.h $(srcdir)/util/config_file.h \
  $(srcdir)/util/net_help.h $(srcdir)/services/listen_dnsport.h $(srcdir)/services/cache/rrset.h \
  $(srcdir)/util/storage/slabhash.h $(srcdir)/services/cache/infra.h $(srcdir)/util/storage/dnstree.h \
@@ -1002,41 +1011,39 @@ stats.lo stats.o: $(srcdir)/daemon/stats.c config.h $(srcdir)/daemon/stats.h $(s
  $(srcdir)/util/rtt.h $(srcdir)/validator/val_kcache.h
 unbound.lo unbound.o: $(srcdir)/daemon/unbound.c config.h $(srcdir)/util/log.h $(srcdir)/daemon/daemon.h \
  $(srcdir)/util/locks.h $(srcdir)/util/alloc.h $(srcdir)/services/modstack.h  \
- $(srcdir)/daemon/remote.h \
- $(srcdir)/util/config_file.h $(srcdir)/util/storage/slabhash.h $(srcdir)/util/storage/lruhash.h \
- $(srcdir)/services/listen_dnsport.h $(srcdir)/util/netevent.h $(srcdir)/services/cache/rrset.h \
- $(srcdir)/util/data/packed_rrset.h $(srcdir)/services/cache/infra.h $(srcdir)/util/storage/dnstree.h \
- $(srcdir)/util/rbtree.h $(srcdir)/util/rtt.h $(srcdir)/util/fptr_wlist.h $(srcdir)/util/module.h \
- $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h \
- $(srcdir)/util/tube.h $(srcdir)/services/mesh.h $(srcdir)/util/net_help.h $(srcdir)/util/mini_event.h \
- $(srcdir)/util/rbtree.h
+ $(srcdir)/daemon/remote.h $(srcdir)/util/config_file.h $(srcdir)/util/storage/slabhash.h \
+ $(srcdir)/util/storage/lruhash.h $(srcdir)/services/listen_dnsport.h $(srcdir)/util/netevent.h \
+ $(srcdir)/services/cache/rrset.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/services/cache/infra.h \
+ $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h $(srcdir)/util/rtt.h $(srcdir)/util/fptr_wlist.h \
+ $(srcdir)/util/module.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h \
+ $(srcdir)/sldns/rrdef.h $(srcdir)/util/tube.h $(srcdir)/services/mesh.h $(srcdir)/util/net_help.h \
+ $(srcdir)/util/ub_event.h
 worker.lo worker.o: $(srcdir)/daemon/worker.c config.h $(srcdir)/util/log.h $(srcdir)/util/net_help.h \
  $(srcdir)/util/random.h $(srcdir)/daemon/worker.h $(srcdir)/libunbound/worker.h $(srcdir)/sldns/sbuffer.h \
  $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h \
  $(srcdir)/util/netevent.h $(srcdir)/util/alloc.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h \
  $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/daemon/stats.h $(srcdir)/util/timehist.h \
  $(srcdir)/util/module.h $(srcdir)/dnstap/dnstap.h  $(srcdir)/daemon/daemon.h \
- $(srcdir)/services/modstack.h $(srcdir)/daemon/remote.h \
- $(srcdir)/daemon/acl_list.h $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h \
- $(srcdir)/util/config_file.h $(srcdir)/util/regional.h $(srcdir)/util/storage/slabhash.h \
- $(srcdir)/services/listen_dnsport.h $(srcdir)/services/outside_network.h \
- $(srcdir)/services/outbound_list.h $(srcdir)/services/cache/rrset.h $(srcdir)/services/cache/infra.h \
- $(srcdir)/util/rtt.h $(srcdir)/services/cache/dns.h $(srcdir)/services/mesh.h $(srcdir)/services/localzone.h \
+ $(srcdir)/services/modstack.h $(srcdir)/daemon/remote.h $(srcdir)/daemon/acl_list.h \
+ $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h $(srcdir)/util/config_file.h $(srcdir)/util/regional.h \
+ $(srcdir)/util/storage/slabhash.h $(srcdir)/services/listen_dnsport.h \
+ $(srcdir)/services/outside_network.h $(srcdir)/services/outbound_list.h \
+ $(srcdir)/services/cache/rrset.h $(srcdir)/services/cache/infra.h $(srcdir)/util/rtt.h \
+ $(srcdir)/services/cache/dns.h $(srcdir)/services/mesh.h $(srcdir)/services/localzone.h \
  $(srcdir)/util/data/msgencode.h $(srcdir)/util/data/dname.h $(srcdir)/util/fptr_wlist.h $(srcdir)/util/tube.h \
  $(srcdir)/iterator/iter_fwd.h $(srcdir)/iterator/iter_hints.h $(srcdir)/validator/autotrust.h \
  $(srcdir)/validator/val_anchor.h $(srcdir)/libunbound/context.h $(srcdir)/libunbound/unbound.h \
  $(srcdir)/libunbound/libworker.h
 testbound.lo testbound.o: $(srcdir)/testcode/testbound.c config.h $(srcdir)/testcode/testpkts.h \
  $(srcdir)/testcode/replay.h $(srcdir)/util/netevent.h $(srcdir)/util/rbtree.h $(srcdir)/testcode/fake_event.h \
- $(srcdir)/daemon/remote.h \
- $(srcdir)/util/config_file.h $(srcdir)/sldns/keyraw.h $(srcdir)/daemon/unbound.c $(srcdir)/util/log.h \
- $(srcdir)/daemon/daemon.h $(srcdir)/util/locks.h $(srcdir)/util/alloc.h $(srcdir)/services/modstack.h \
+ $(srcdir)/daemon/remote.h $(srcdir)/util/config_file.h $(srcdir)/sldns/keyraw.h $(srcdir)/daemon/unbound.c \
+ $(srcdir)/util/log.h $(srcdir)/daemon/daemon.h $(srcdir)/util/locks.h $(srcdir)/util/alloc.h $(srcdir)/services/modstack.h \
   $(srcdir)/util/storage/slabhash.h $(srcdir)/util/storage/lruhash.h \
  $(srcdir)/services/listen_dnsport.h $(srcdir)/services/cache/rrset.h \
  $(srcdir)/util/data/packed_rrset.h $(srcdir)/services/cache/infra.h $(srcdir)/util/storage/dnstree.h \
  $(srcdir)/util/rtt.h $(srcdir)/util/fptr_wlist.h $(srcdir)/util/module.h $(srcdir)/util/data/msgreply.h \
  $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/util/tube.h \
- $(srcdir)/services/mesh.h $(srcdir)/util/net_help.h $(srcdir)/util/mini_event.h $(srcdir)/util/rbtree.h
+ $(srcdir)/services/mesh.h $(srcdir)/util/net_help.h $(srcdir)/util/ub_event.h
 testpkts.lo testpkts.o: $(srcdir)/testcode/testpkts.c config.h $(srcdir)/testcode/testpkts.h \
  $(srcdir)/util/net_help.h $(srcdir)/util/log.h $(srcdir)/sldns/sbuffer.h $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/pkthdr.h \
  $(srcdir)/sldns/str2wire.h $(srcdir)/sldns/wire2str.h
@@ -1046,27 +1053,27 @@ worker.lo worker.o: $(srcdir)/daemon/worker.c config.h $(srcdir)/util/log.h $(sr
  $(srcdir)/util/netevent.h $(srcdir)/util/alloc.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h \
  $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/daemon/stats.h $(srcdir)/util/timehist.h \
  $(srcdir)/util/module.h $(srcdir)/dnstap/dnstap.h  $(srcdir)/daemon/daemon.h \
- $(srcdir)/services/modstack.h $(srcdir)/daemon/remote.h \
- $(srcdir)/daemon/acl_list.h $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h \
- $(srcdir)/util/config_file.h $(srcdir)/util/regional.h $(srcdir)/util/storage/slabhash.h \
- $(srcdir)/services/listen_dnsport.h $(srcdir)/services/outside_network.h \
- $(srcdir)/services/outbound_list.h $(srcdir)/services/cache/rrset.h $(srcdir)/services/cache/infra.h \
- $(srcdir)/util/rtt.h $(srcdir)/services/cache/dns.h $(srcdir)/services/mesh.h $(srcdir)/services/localzone.h \
+ $(srcdir)/services/modstack.h $(srcdir)/daemon/remote.h $(srcdir)/daemon/acl_list.h \
+ $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h $(srcdir)/util/config_file.h $(srcdir)/util/regional.h \
+ $(srcdir)/util/storage/slabhash.h $(srcdir)/services/listen_dnsport.h \
+ $(srcdir)/services/outside_network.h $(srcdir)/services/outbound_list.h \
+ $(srcdir)/services/cache/rrset.h $(srcdir)/services/cache/infra.h $(srcdir)/util/rtt.h \
+ $(srcdir)/services/cache/dns.h $(srcdir)/services/mesh.h $(srcdir)/services/localzone.h \
  $(srcdir)/util/data/msgencode.h $(srcdir)/util/data/dname.h $(srcdir)/util/fptr_wlist.h $(srcdir)/util/tube.h \
  $(srcdir)/iterator/iter_fwd.h $(srcdir)/iterator/iter_hints.h $(srcdir)/validator/autotrust.h \
  $(srcdir)/validator/val_anchor.h $(srcdir)/libunbound/context.h $(srcdir)/libunbound/unbound.h \
  $(srcdir)/libunbound/libworker.h
 acl_list.lo acl_list.o: $(srcdir)/daemon/acl_list.c config.h $(srcdir)/daemon/acl_list.h \
  $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h $(srcdir)/util/regional.h $(srcdir)/util/log.h \
- $(srcdir)/util/config_file.h $(srcdir)/util/net_help.h
-daemon.lo daemon.o: $(srcdir)/daemon/daemon.c config.h \
- $(srcdir)/daemon/daemon.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/util/alloc.h $(srcdir)/services/modstack.h \
-  $(srcdir)/daemon/worker.h $(srcdir)/libunbound/worker.h \
- $(srcdir)/sldns/sbuffer.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h \
- $(srcdir)/util/netevent.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h \
- $(srcdir)/sldns/rrdef.h $(srcdir)/daemon/stats.h $(srcdir)/util/timehist.h $(srcdir)/util/module.h \
- $(srcdir)/dnstap/dnstap.h $(srcdir)/daemon/remote.h \
- $(srcdir)/daemon/acl_list.h $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h \
+ $(srcdir)/util/config_file.h $(srcdir)/util/net_help.h $(srcdir)/services/localzone.h $(srcdir)/util/locks.h \
+ $(srcdir)/sldns/str2wire.h $(srcdir)/sldns/rrdef.h
+daemon.lo daemon.o: $(srcdir)/daemon/daemon.c config.h $(srcdir)/daemon/daemon.h $(srcdir)/util/locks.h \
+ $(srcdir)/util/log.h $(srcdir)/util/alloc.h $(srcdir)/services/modstack.h  \
+ $(srcdir)/daemon/worker.h $(srcdir)/libunbound/worker.h $(srcdir)/sldns/sbuffer.h \
+ $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/netevent.h \
+ $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h \
+ $(srcdir)/daemon/stats.h $(srcdir)/util/timehist.h $(srcdir)/util/module.h $(srcdir)/dnstap/dnstap.h \
+ $(srcdir)/daemon/remote.h $(srcdir)/daemon/acl_list.h $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h \
  $(srcdir)/util/config_file.h $(srcdir)/util/storage/lookup3.h $(srcdir)/util/storage/slabhash.h \
  $(srcdir)/services/listen_dnsport.h $(srcdir)/services/cache/rrset.h $(srcdir)/services/cache/infra.h \
  $(srcdir)/util/rtt.h $(srcdir)/services/localzone.h $(srcdir)/util/random.h $(srcdir)/util/tube.h \
@@ -1118,7 +1125,7 @@ unbound-checkconf.lo unbound-checkconf.o: $(srcdir)/smallapp/unbound-checkconf.c
  $(srcdir)/iterator/iterator.h $(srcdir)/services/outbound_list.h $(srcdir)/iterator/iter_fwd.h \
  $(srcdir)/util/rbtree.h $(srcdir)/iterator/iter_hints.h $(srcdir)/util/storage/dnstree.h \
  $(srcdir)/validator/validator.h $(srcdir)/validator/val_utils.h $(srcdir)/services/localzone.h \
- $(srcdir)/sldns/sbuffer.h
+ $(srcdir)/sldns/sbuffer.h $(PYTHONMOD_HEADER)
 worker_cb.lo worker_cb.o: $(srcdir)/smallapp/worker_cb.c config.h $(srcdir)/libunbound/context.h \
  $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/util/alloc.h $(srcdir)/util/rbtree.h $(srcdir)/services/modstack.h \
  $(srcdir)/libunbound/unbound.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h \
@@ -1130,30 +1137,31 @@ context.lo context.o: $(srcdir)/libunbound/context.c config.h $(srcdir)/libunbou
  $(srcdir)/libunbound/unbound.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h \
  $(srcdir)/util/module.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h \
  $(srcdir)/sldns/rrdef.h $(srcdir)/util/config_file.h $(srcdir)/util/net_help.h $(srcdir)/services/localzone.h \
- $(srcdir)/services/cache/rrset.h $(srcdir)/util/storage/slabhash.h $(srcdir)/services/cache/infra.h \
- $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rtt.h $(srcdir)/sldns/sbuffer.h
+ $(srcdir)/util/storage/dnstree.h $(srcdir)/services/cache/rrset.h $(srcdir)/util/storage/slabhash.h \
+ $(srcdir)/services/cache/infra.h $(srcdir)/util/rtt.h $(srcdir)/sldns/sbuffer.h
 libunbound.lo libunbound.o: $(srcdir)/libunbound/libunbound.c $(srcdir)/libunbound/unbound.h \
  $(srcdir)/libunbound/unbound-event.h config.h $(srcdir)/libunbound/context.h $(srcdir)/util/locks.h \
  $(srcdir)/util/log.h $(srcdir)/util/alloc.h $(srcdir)/util/rbtree.h $(srcdir)/services/modstack.h \
  $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h $(srcdir)/libunbound/libworker.h \
  $(srcdir)/util/config_file.h $(srcdir)/util/module.h $(srcdir)/util/data/msgreply.h \
  $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/util/regional.h \
- $(srcdir)/util/random.h $(srcdir)/util/net_help.h $(srcdir)/util/tube.h $(srcdir)/services/localzone.h \
- $(srcdir)/services/cache/infra.h $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rtt.h \
- $(srcdir)/services/cache/rrset.h $(srcdir)/util/storage/slabhash.h $(srcdir)/sldns/sbuffer.h
-libworker.lo libworker.o: $(srcdir)/libunbound/libworker.c config.h \
- $(srcdir)/libunbound/libworker.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h \
- $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/libunbound/context.h $(srcdir)/util/alloc.h $(srcdir)/util/rbtree.h \
- $(srcdir)/services/modstack.h $(srcdir)/libunbound/unbound.h $(srcdir)/libunbound/worker.h \
- $(srcdir)/sldns/sbuffer.h $(srcdir)/libunbound/unbound-event.h $(srcdir)/services/outside_network.h \
- $(srcdir)/util/netevent.h  $(srcdir)/services/mesh.h \
- $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/util/module.h \
- $(srcdir)/util/data/msgreply.h $(srcdir)/services/localzone.h $(srcdir)/services/cache/rrset.h \
+ $(srcdir)/util/random.h $(srcdir)/util/net_help.h $(srcdir)/util/tube.h $(srcdir)/util/ub_event.h \
+ $(srcdir)/services/localzone.h $(srcdir)/util/storage/dnstree.h $(srcdir)/services/cache/infra.h \
+ $(srcdir)/util/rtt.h $(srcdir)/services/cache/rrset.h $(srcdir)/util/storage/slabhash.h \
+ $(srcdir)/sldns/sbuffer.h
+libworker.lo libworker.o: $(srcdir)/libunbound/libworker.c config.h $(srcdir)/libunbound/libworker.h \
+ $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h \
+ $(srcdir)/libunbound/context.h $(srcdir)/util/alloc.h $(srcdir)/util/rbtree.h $(srcdir)/services/modstack.h \
+ $(srcdir)/libunbound/unbound.h $(srcdir)/libunbound/worker.h $(srcdir)/sldns/sbuffer.h \
+ $(srcdir)/libunbound/unbound-event.h $(srcdir)/services/outside_network.h $(srcdir)/util/netevent.h \
+  $(srcdir)/services/mesh.h $(srcdir)/util/data/msgparse.h \
+ $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/util/module.h $(srcdir)/util/data/msgreply.h \
+ $(srcdir)/services/localzone.h $(srcdir)/util/storage/dnstree.h $(srcdir)/services/cache/rrset.h \
  $(srcdir)/util/storage/slabhash.h $(srcdir)/services/outbound_list.h $(srcdir)/util/fptr_wlist.h \
  $(srcdir)/util/tube.h $(srcdir)/util/regional.h $(srcdir)/util/random.h $(srcdir)/util/config_file.h \
  $(srcdir)/util/storage/lookup3.h $(srcdir)/util/net_help.h $(srcdir)/util/data/dname.h \
  $(srcdir)/util/data/msgencode.h $(srcdir)/iterator/iter_fwd.h $(srcdir)/iterator/iter_hints.h \
- $(srcdir)/util/storage/dnstree.h $(srcdir)/sldns/str2wire.h
+ $(srcdir)/sldns/str2wire.h
 unbound-host.lo unbound-host.o: $(srcdir)/smallapp/unbound-host.c config.h $(srcdir)/libunbound/unbound.h \
  $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/wire2str.h
 asynclook.lo asynclook.o: $(srcdir)/testcode/asynclook.c config.h $(srcdir)/libunbound/unbound.h \
@@ -1164,35 +1172,32 @@ streamtcp.lo streamtcp.o: $(srcdir)/testcode/streamtcp.c config.h $(srcdir)/util
  $(srcdir)/util/net_help.h $(srcdir)/util/data/msgencode.h $(srcdir)/util/data/msgparse.h \
  $(srcdir)/util/storage/lruhash.h $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/util/data/msgreply.h \
  $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/data/dname.h $(srcdir)/sldns/sbuffer.h \
- $(srcdir)/sldns/str2wire.h $(srcdir)/sldns/wire2str.h \
- 
+ $(srcdir)/sldns/str2wire.h $(srcdir)/sldns/wire2str.h
 perf.lo perf.o: $(srcdir)/testcode/perf.c config.h $(srcdir)/util/log.h $(srcdir)/util/locks.h $(srcdir)/util/net_help.h \
  $(srcdir)/util/data/msgencode.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/storage/lruhash.h \
  $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h \
  $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/sbuffer.h $(srcdir)/sldns/wire2str.h $(srcdir)/sldns/str2wire.h
 delayer.lo delayer.o: $(srcdir)/testcode/delayer.c config.h $(srcdir)/util/net_help.h $(srcdir)/util/log.h \
  $(srcdir)/util/config_file.h $(srcdir)/sldns/sbuffer.h
-unbound-control.lo unbound-control.o: $(srcdir)/smallapp/unbound-control.c config.h \
- $(srcdir)/util/log.h $(srcdir)/util/config_file.h $(srcdir)/util/locks.h $(srcdir)/util/net_help.h
+unbound-control.lo unbound-control.o: $(srcdir)/smallapp/unbound-control.c config.h $(srcdir)/util/log.h \
+ $(srcdir)/util/config_file.h $(srcdir)/util/locks.h $(srcdir)/util/net_help.h
 unbound-anchor.lo unbound-anchor.o: $(srcdir)/smallapp/unbound-anchor.c config.h $(srcdir)/libunbound/unbound.h \
- $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/parseutil.h \
- 
-petal.lo petal.o: $(srcdir)/testcode/petal.c config.h \
- 
+ $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/parseutil.h
+petal.lo petal.o: $(srcdir)/testcode/petal.c config.h
 pythonmod_utils.lo pythonmod_utils.o: $(srcdir)/pythonmod/pythonmod_utils.c config.h $(srcdir)/util/module.h \
  $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/util/data/msgreply.h \
  $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h \
  $(srcdir)/sldns/rrdef.h $(srcdir)/util/netevent.h $(srcdir)/util/net_help.h $(srcdir)/services/cache/dns.h \
  $(srcdir)/services/cache/rrset.h $(srcdir)/util/storage/slabhash.h $(srcdir)/util/regional.h \
- $(srcdir)/iterator/iter_delegpt.h $(srcdir)/sldns/sbuffer.h
+ $(srcdir)/iterator/iter_delegpt.h $(srcdir)/sldns/sbuffer.h \
+ 
 win_svc.lo win_svc.o: $(srcdir)/winrc/win_svc.c config.h $(srcdir)/winrc/win_svc.h $(srcdir)/winrc/w_inst.h \
  $(srcdir)/daemon/daemon.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/util/alloc.h $(srcdir)/services/modstack.h \
   $(srcdir)/daemon/worker.h $(srcdir)/libunbound/worker.h \
  $(srcdir)/sldns/sbuffer.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h \
  $(srcdir)/util/netevent.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h \
  $(srcdir)/sldns/rrdef.h $(srcdir)/daemon/stats.h $(srcdir)/util/timehist.h $(srcdir)/util/module.h \
- $(srcdir)/dnstap/dnstap.h $(srcdir)/daemon/remote.h \
- $(srcdir)/util/config_file.h $(srcdir)/util/winsock_event.h
+ $(srcdir)/dnstap/dnstap.h $(srcdir)/daemon/remote.h $(srcdir)/util/config_file.h $(srcdir)/util/ub_event.h
 w_inst.lo w_inst.o: $(srcdir)/winrc/w_inst.c config.h $(srcdir)/winrc/w_inst.h $(srcdir)/winrc/win_svc.h
 unbound-service-install.lo unbound-service-install.o: $(srcdir)/winrc/unbound-service-install.c config.h \
  $(srcdir)/winrc/w_inst.h
@@ -1200,14 +1205,11 @@ unbound-service-remove.lo unbound-service-remove.o: $(srcdir)/winrc/unbound-serv
  $(srcdir)/winrc/w_inst.h
 anchor-update.lo anchor-update.o: $(srcdir)/winrc/anchor-update.c config.h $(srcdir)/libunbound/unbound.h \
  $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/wire2str.h
-keyraw.lo keyraw.o: $(srcdir)/sldns/keyraw.c config.h $(srcdir)/sldns/keyraw.h \
- $(srcdir)/sldns/rrdef.h \
- 
+keyraw.lo keyraw.o: $(srcdir)/sldns/keyraw.c config.h $(srcdir)/sldns/keyraw.h $(srcdir)/sldns/rrdef.h
 sbuffer.lo sbuffer.o: $(srcdir)/sldns/sbuffer.c config.h $(srcdir)/sldns/sbuffer.h
 wire2str.lo wire2str.o: $(srcdir)/sldns/wire2str.c config.h $(srcdir)/sldns/wire2str.h $(srcdir)/sldns/str2wire.h \
  $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/parseutil.h $(srcdir)/sldns/sbuffer.h \
- $(srcdir)/sldns/keyraw.h \
- 
+ $(srcdir)/sldns/keyraw.h
 parse.lo parse.o: $(srcdir)/sldns/parse.c config.h $(srcdir)/sldns/parse.h $(srcdir)/sldns/parseutil.h \
  $(srcdir)/sldns/sbuffer.h
 parseutil.lo parseutil.o: $(srcdir)/sldns/parseutil.c config.h $(srcdir)/sldns/parseutil.h
@@ -1227,8 +1229,7 @@ snprintf.lo snprintf.o: $(srcdir)/compat/snprintf.c config.h
 strlcat.lo strlcat.o: $(srcdir)/compat/strlcat.c config.h
 strlcpy.lo strlcpy.o: $(srcdir)/compat/strlcpy.c config.h
 strptime.lo strptime.o: $(srcdir)/compat/strptime.c config.h
-getentropy_linux.lo getentropy_linux.o: $(srcdir)/compat/getentropy_linux.c config.h \
- 
+getentropy_linux.lo getentropy_linux.o: $(srcdir)/compat/getentropy_linux.c config.h
 getentropy_osx.lo getentropy_osx.o: $(srcdir)/compat/getentropy_osx.c config.h
 getentropy_solaris.lo getentropy_solaris.o: $(srcdir)/compat/getentropy_solaris.c config.h
 getentropy_win.lo getentropy_win.o: $(srcdir)/compat/getentropy_win.c
@@ -1238,3 +1239,5 @@ arc4random_uniform.lo arc4random_uniform.o: $(srcdir)/compat/arc4random_uniform.
 arc4_lock.lo arc4_lock.o: $(srcdir)/compat/arc4_lock.c config.h $(srcdir)/util/locks.h
 sha512.lo sha512.o: $(srcdir)/compat/sha512.c config.h
 reallocarray.lo reallocarray.o: $(srcdir)/compat/reallocarray.c config.h
+isblank.lo isblank.o: $(srcdir)/compat/isblank.c config.h
+strsep.lo strsep.o: $(srcdir)/compat/strsep.c config.h

acx_nlnetlabs.m4

@@ -2,7 +2,13 @@
 # Copyright 2009, Wouter Wijngaards, NLnet Labs.   
 # BSD licensed.
 #
-# Version 28
+# Version 34
+# 2016-03-21 Check -ldl -pthread for libcrypto for ldns and openssl 1.1.0.
+# 2016-03-21 Use HMAC_Update instead of HMAC_CTX_Init (for openssl-1.1.0).
+# 2016-01-04 -D_DEFAULT_SOURCE defined with -D_BSD_SOURCE for Linux glibc 2.20
+# 2015-12-11 FLTO check for new OSX, clang.
+# 2015-11-18 spelling check fix.
+# 2015-11-05 ACX_SSL_CHECKS no longer adds -ldl needlessly.
 # 2015-08-28 ACX_CHECK_PIE and ACX_CHECK_RELRO_NOW added.
 # 2015-03-17 AHX_CONFIG_REALLOCARRAY added
 # 2013-09-19 FLTO help text improved.
@@ -24,7 +30,7 @@
 # 2010-07-02 Add check for ss_family (for minix).
 # 2010-04-26 Fix to use CPPFLAGS for CHECK_COMPILER_FLAGS.
 # 2010-03-01 Fix RPATH using CONFIG_COMMANDS to run at the very end.
-# 2010-02-18 WITH_SSL outputs the LIBSSL_LDFLAGS, LIBS, CPPFLAGS seperate, -ldl
+# 2010-02-18 WITH_SSL outputs the LIBSSL_LDFLAGS, LIBS, CPPFLAGS separate, -ldl
 # 2010-02-01 added ACX_CHECK_MEMCMP_SIGNED, AHX_MEMCMP_BROKEN
 # 2010-01-20 added AHX_COONFIG_STRLCAT
 # 2009-07-14 U_CHAR detection improved for windows crosscompile.
@@ -239,7 +245,7 @@ ACX_CHECK_COMPILER_FLAG(xc99, [C99FLAG="-xc99"])
 
 AC_CHECK_HEADERS([getopt.h time.h],,, [AC_INCLUDES_DEFAULT])
 
-ACX_CHECK_COMPILER_FLAG_NEEDED($C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_XOPEN_SOURCE_EXTENDED=1 -D_ALL_SOURCE,
+ACX_CHECK_COMPILER_FLAG_NEEDED($C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_DEFAULT_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_XOPEN_SOURCE_EXTENDED=1 -D_ALL_SOURCE,
 [
 #include "confdefs.h"
 #include <stdlib.h>
@@ -274,9 +280,9 @@ int test() {
 		a = 0;
 	return a;
 }
-], [CFLAGS="$CFLAGS $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_XOPEN_SOURCE_EXTENDED=1 -D_ALL_SOURCE"])
+], [CFLAGS="$CFLAGS $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_DEFAULT_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_XOPEN_SOURCE_EXTENDED=1 -D_ALL_SOURCE"])
 
-ACX_CHECK_COMPILER_FLAG_NEEDED($C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_ALL_SOURCE,
+ACX_CHECK_COMPILER_FLAG_NEEDED($C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_DEFAULT_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_ALL_SOURCE,
 [
 #include "confdefs.h"
 #include <stdlib.h>
@@ -311,7 +317,7 @@ int test() {
 		a = 0;
 	return a;
 }
-], [CFLAGS="$CFLAGS $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_ALL_SOURCE"])
+], [CFLAGS="$CFLAGS $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_DEFAULT_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_ALL_SOURCE"])
 
 ACX_CHECK_COMPILER_FLAG_NEEDED($C99FLAG,
 [
@@ -323,7 +329,7 @@ int test() {
 }
 ], [CFLAGS="$CFLAGS $C99FLAG"])
 
-ACX_CHECK_COMPILER_FLAG_NEEDED(-D_BSD_SOURCE,
+ACX_CHECK_COMPILER_FLAG_NEEDED(-D_BSD_SOURCE -D_DEFAULT_SOURCE,
 [
 #include <ctype.h>
 
@@ -332,7 +338,7 @@ int test() {
         a = isascii(32);
         return a;
 }
-], [CFLAGS="$CFLAGS -D_BSD_SOURCE"])
+], [CFLAGS="$CFLAGS -D_BSD_SOURCE -D_DEFAULT_SOURCE"])
 
 ACX_CHECK_COMPILER_FLAG_NEEDED(-D_GNU_SOURCE,
 [
@@ -421,7 +427,7 @@ AC_DEFUN([ACX_CHECK_FLTO], [
         BAKCFLAGS="$CFLAGS"
         CFLAGS="$CFLAGS -flto"
         AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [
-            if $CC $CFLAGS -o conftest conftest.c 2>&1 | grep "warning: no debug symbols in executable" >/dev/null; then
+            if $CC $CFLAGS -o conftest conftest.c 2>&1 | $GREP -e "warning: no debug symbols in executable" -e "warning: object" >/dev/null; then
                 CFLAGS="$BAKCFLAGS"
                 AC_MSG_RESULT(no)
             else
@@ -667,16 +673,16 @@ AC_DEFUN([ACX_SSL_CHECKS], [
                 ACX_RUNTIME_PATH_ADD([$ssldir/lib])
             fi
         
-            AC_MSG_CHECKING([for HMAC_CTX_init in -lcrypto])
+            AC_MSG_CHECKING([for HMAC_Update in -lcrypto])
             LIBS="$LIBS -lcrypto"
             LIBSSL_LIBS="$LIBSSL_LIBS -lcrypto"
             AC_TRY_LINK(, [
-                int HMAC_CTX_init(void);
-                (void)HMAC_CTX_init();
+                int HMAC_Update(void);
+                (void)HMAC_Update();
               ], [
                 AC_MSG_RESULT(yes)
-                AC_DEFINE([HAVE_HMAC_CTX_INIT], 1, 
-                          [If you have HMAC_CTX_init])
+                AC_DEFINE([HAVE_HMAC_UPDATE], 1, 
+                          [If you have HMAC_Update])
               ], [
                 AC_MSG_RESULT(no)
                 # check if -lwsock32 or -lgdi32 are needed.	
@@ -686,11 +692,11 @@ AC_DEFUN([ACX_SSL_CHECKS], [
                 LIBSSL_LIBS="$LIBSSL_LIBS -lgdi32"
                 AC_MSG_CHECKING([if -lcrypto needs -lgdi32])
                 AC_TRY_LINK([], [
-                    int HMAC_CTX_init(void);
-                    (void)HMAC_CTX_init();
+                    int HMAC_Update(void);
+                    (void)HMAC_Update();
                   ],[
-                    AC_DEFINE([HAVE_HMAC_CTX_INIT], 1, 
-                        [If you have HMAC_CTX_init])
+                    AC_DEFINE([HAVE_HMAC_UPDATE], 1, 
+                        [If you have HMAC_Update])
                     AC_MSG_RESULT(yes) 
                   ],[
                     AC_MSG_RESULT(no)
@@ -700,27 +706,36 @@ AC_DEFUN([ACX_SSL_CHECKS], [
                     LIBSSL_LIBS="$LIBSSL_LIBS -ldl"
                     AC_MSG_CHECKING([if -lcrypto needs -ldl])
                     AC_TRY_LINK([], [
-                        int HMAC_CTX_init(void);
-                        (void)HMAC_CTX_init();
+                        int HMAC_Update(void);
+                        (void)HMAC_Update();
                       ],[
-                        AC_DEFINE([HAVE_HMAC_CTX_INIT], 1, 
-                            [If you have HMAC_CTX_init])
+                        AC_DEFINE([HAVE_HMAC_UPDATE], 1, 
+                            [If you have HMAC_Update])
                         AC_MSG_RESULT(yes) 
                       ],[
                         AC_MSG_RESULT(no)
-                    AC_MSG_ERROR([OpenSSL found in $ssldir, but version 0.9.7 or higher is required])
+                        LIBS="$BAKLIBS"
+                        LIBSSL_LIBS="$BAKSSLLIBS"
+                        LIBS="$LIBS -ldl -pthread"
+                        LIBSSL_LIBS="$LIBSSL_LIBS -ldl -pthread"
+                        AC_MSG_CHECKING([if -lcrypto needs -ldl -pthread])
+                        AC_TRY_LINK([], [
+                            int HMAC_Update(void);
+                            (void)HMAC_Update();
+                          ],[
+                            AC_DEFINE([HAVE_HMAC_UPDATE], 1, 
+                                [If you have HMAC_Update])
+                            AC_MSG_RESULT(yes) 
+                          ],[
+                            AC_MSG_RESULT(no)
+                            AC_MSG_ERROR([OpenSSL found in $ssldir, but version 0.9.7 or higher is required])
+			])
                     ])
                 ])
             ])
         fi
         AC_SUBST(HAVE_SSL)
         AC_SUBST(RUNTIME_PATH)
-	# openssl engine functionality needs dlopen().
-	BAKLIBS="$LIBS"
-	AC_SEARCH_LIBS([dlopen], [dl])
-	if test "$LIBS" != "$BAKLIBS"; then
-		LIBSSL_LIBS="$LIBSSL_LIBS -ldl"
-	fi
     fi
 AC_CHECK_HEADERS([openssl/ssl.h],,, [AC_INCLUDES_DEFAULT])
 AC_CHECK_HEADERS([openssl/err.h],,, [AC_INCLUDES_DEFAULT])
@@ -1288,6 +1303,7 @@ AC_DEFUN([ACX_STRIP_EXT_FLAGS],
   AC_MSG_NOTICE([Stripping extension flags...])
   ACX_CFLAGS_STRIP(-D_GNU_SOURCE)
   ACX_CFLAGS_STRIP(-D_BSD_SOURCE)
+  ACX_CFLAGS_STRIP(-D_DEFAULT_SOURCE)
   ACX_CFLAGS_STRIP(-D__EXTENSIONS__)
   ACX_CFLAGS_STRIP(-D_POSIX_C_SOURCE=200112)
   ACX_CFLAGS_STRIP(-D_XOPEN_SOURCE=600)
@@ -1315,6 +1331,7 @@ dnl config.h part to define omitted cflags, use with ACX_STRIP_EXT_FLAGS.
 AC_DEFUN([AHX_CONFIG_EXT_FLAGS],
 [AHX_CONFIG_FLAG_EXT(-D_GNU_SOURCE)
 AHX_CONFIG_FLAG_EXT(-D_BSD_SOURCE)
+AHX_CONFIG_FLAG_EXT(-D_DEFAULT_SOURCE)
 AHX_CONFIG_FLAG_EXT(-D__EXTENSIONS__)
 AHX_CONFIG_FLAG_EXT(-D_POSIX_C_SOURCE=200112)
 AHX_CONFIG_FLAG_EXT(-D_XOPEN_SOURCE=600)

acx_python.m4

@@ -54,7 +54,7 @@ $ac_distutils_result])
         AC_MSG_CHECKING([for Python library path])
         if test -z "$PYTHON_LDFLAGS"; then
                 PYTHON_LDFLAGS=`$PYTHON -c "from distutils.sysconfig import *; \
-                        print(get_config_var('BLDLIBRARY'));"`
+                        print('-L'+get_config_var('LIBDIR')+' -L'+get_config_var('LIBDEST')+' '+get_config_var('BLDLIBRARY'));"`
         fi
         AC_MSG_RESULT([$PYTHON_LDFLAGS])
         AC_SUBST([PYTHON_LDFLAGS])

ax_pthread.m4

@@ -82,7 +82,7 @@
 #   modified version of the Autoconf Macro, you may extend this special
 #   exception to the GPL to apply to your modified version as well.
 
-#serial 20
+#serial 21
 
 AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD])
 AC_DEFUN([AX_PTHREAD], [
@@ -103,8 +103,8 @@ if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then
         save_LIBS="$LIBS"
         LIBS="$PTHREAD_LIBS $LIBS"
         AC_MSG_CHECKING([for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS])
-        AC_TRY_LINK_FUNC(pthread_join, ax_pthread_ok=yes)
-        AC_MSG_RESULT($ax_pthread_ok)
+        AC_TRY_LINK_FUNC([pthread_join], [ax_pthread_ok=yes])
+        AC_MSG_RESULT([$ax_pthread_ok])
         if test x"$ax_pthread_ok" = xno; then
                 PTHREAD_LIBS=""
                 PTHREAD_CFLAGS=""
@@ -164,6 +164,20 @@ case ${host_os} in
         ;;
 esac
 
+# Clang doesn't consider unrecognized options an error unless we specify
+# -Werror. We throw in some extra Clang-specific options to ensure that
+# this doesn't happen for GCC, which also accepts -Werror.
+
+AC_MSG_CHECKING([if compiler needs -Werror to reject unknown flags])
+save_CFLAGS="$CFLAGS"
+ax_pthread_extra_flags="-Werror"
+CFLAGS="$CFLAGS $ax_pthread_extra_flags -Wunknown-warning-option -Wsizeof-array-argument"
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([int foo(void);],[foo()])],
+                  [AC_MSG_RESULT([yes])],
+                  [ax_pthread_extra_flags=
+                   AC_MSG_RESULT([no])])
+CFLAGS="$save_CFLAGS"
+
 if test x"$ax_pthread_ok" = xno; then
 for flag in $ax_pthread_flags; do
 
@@ -178,7 +192,7 @@ for flag in $ax_pthread_flags; do
                 ;;
 
                 pthread-config)
-                AC_CHECK_PROG(ax_pthread_config, pthread-config, yes, no)
+                AC_CHECK_PROG([ax_pthread_config], [pthread-config], [yes], [no])
                 if test x"$ax_pthread_config" = xno; then continue; fi
                 PTHREAD_CFLAGS="`pthread-config --cflags`"
                 PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
@@ -193,7 +207,7 @@ for flag in $ax_pthread_flags; do
         save_LIBS="$LIBS"
         save_CFLAGS="$CFLAGS"
         LIBS="$PTHREAD_LIBS $LIBS"
-        CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+        CFLAGS="$CFLAGS $PTHREAD_CFLAGS $ax_pthread_extra_flags"
 
         # Check for various functions.  We must include pthread.h,
         # since some functions may be macros.  (On the Sequent, we
@@ -219,7 +233,7 @@ for flag in $ax_pthread_flags; do
         LIBS="$save_LIBS"
         CFLAGS="$save_CFLAGS"
 
-        AC_MSG_RESULT($ax_pthread_ok)
+        AC_MSG_RESULT([$ax_pthread_ok])
         if test "x$ax_pthread_ok" = xyes; then
                 break;
         fi
@@ -245,9 +259,9 @@ if test "x$ax_pthread_ok" = xyes; then
                 [attr_name=$attr; break],
                 [])
         done
-        AC_MSG_RESULT($attr_name)
+        AC_MSG_RESULT([$attr_name])
         if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then
-            AC_DEFINE_UNQUOTED(PTHREAD_CREATE_JOINABLE, $attr_name,
+            AC_DEFINE_UNQUOTED([PTHREAD_CREATE_JOINABLE], [$attr_name],
                                [Define to necessary symbol if this constant
                                 uses a non-standard name on your system.])
         fi
@@ -261,24 +275,25 @@ if test "x$ax_pthread_ok" = xyes; then
             if test "$GCC" = "yes"; then
                 flag="-D_REENTRANT"
             else
+                # TODO: What about Clang on Solaris?
                 flag="-mt -D_REENTRANT"
             fi
             ;;
         esac
-        AC_MSG_RESULT(${flag})
+        AC_MSG_RESULT([$flag])
         if test "x$flag" != xno; then
             PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS"
         fi
 
         AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT],
-            ax_cv_PTHREAD_PRIO_INHERIT, [
-                AC_LINK_IFELSE([
-                    AC_LANG_PROGRAM([[#include <pthread.h>]], [[int i = PTHREAD_PRIO_INHERIT;]])],
+            [ax_cv_PTHREAD_PRIO_INHERIT], [
+                AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]],
+                                                [[int i = PTHREAD_PRIO_INHERIT;]])],
                     [ax_cv_PTHREAD_PRIO_INHERIT=yes],
                     [ax_cv_PTHREAD_PRIO_INHERIT=no])
             ])
         AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes"],
-            AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], 1, [Have PTHREAD_PRIO_INHERIT.]))
+            [AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], [1], [Have PTHREAD_PRIO_INHERIT.])])
 
         LIBS="$save_LIBS"
         CFLAGS="$save_CFLAGS"
@@ -301,13 +316,13 @@ fi
 
 test -n "$PTHREAD_CC" || PTHREAD_CC="$CC"
 
-AC_SUBST(PTHREAD_LIBS)
-AC_SUBST(PTHREAD_CFLAGS)
-AC_SUBST(PTHREAD_CC)
+AC_SUBST([PTHREAD_LIBS])
+AC_SUBST([PTHREAD_CFLAGS])
+AC_SUBST([PTHREAD_CC])
 
 # Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
 if test x"$ax_pthread_ok" = xyes; then
-        ifelse([$1],,AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.]),[$1])
+        ifelse([$1],,[AC_DEFINE([HAVE_PTHREAD],[1],[Define if you have POSIX threads libraries and header files.])],[$1])
         :
 else
         ax_pthread_ok=no

cachedb/cachedb.c

@@ -0,0 +1,702 @@
+/*
+ * cachedb/cachedb.c - cache from a database external to the program module
+ *
+ * Copyright (c) 2016, NLnet Labs. All rights reserved.
+ *
+ * This software is open source.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 
+ * Neither the name of the NLNET LABS nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * \file
+ *
+ * This file contains a module that uses an external database to cache
+ * dns responses.
+ */
+
+#include "config.h"
+#ifdef USE_CACHEDB
+#include "cachedb/cachedb.h"
+#include "util/regional.h"
+#include "util/net_help.h"
+#include "util/config_file.h"
+#include "util/data/msgreply.h"
+#include "util/data/msgencode.h"
+#include "services/cache/dns.h"
+#include "validator/val_neg.h"
+#include "validator/val_secalgo.h"
+#include "iterator/iter_utils.h"
+#include "sldns/parseutil.h"
+#include "sldns/wire2str.h"
+#include "sldns/sbuffer.h"
+
+#define CACHEDB_HASHSIZE 256 /* bit hash */
+
+/** the unit test testframe for cachedb, its module state contains
+ * a cache for a couple queries (in memory). */
+struct testframe_moddata {
+	/** key for single stored data element, NULL if none */
+	char* stored_key;
+	/** data for single stored data element, NULL if none */
+	uint8_t* stored_data;
+	/** length of stored data */
+	size_t stored_datalen;
+};
+
+static int
+testframe_init(struct module_env* env, struct cachedb_env* cachedb_env)
+{
+	(void)env;
+	verbose(VERB_ALGO, "testframe_init");
+	cachedb_env->backend_data = (void*)calloc(1,
+		sizeof(struct testframe_moddata));
+	if(!cachedb_env->backend_data) {
+		log_err("out of memory");
+		return 0;
+	}
+	return 1;
+}
+
+static void
+testframe_deinit(struct module_env* env, struct cachedb_env* cachedb_env)
+{
+	struct testframe_moddata* d = (struct testframe_moddata*)
+		cachedb_env->backend_data;
+	(void)env;
+	verbose(VERB_ALGO, "testframe_deinit");
+	if(!d)
+		return;
+	free(d->stored_key);
+	free(d->stored_data);
+	free(d);
+}
+
+static int
+testframe_lookup(struct module_env* env, struct cachedb_env* cachedb_env,
+	char* key, struct sldns_buffer* result_buffer)
+{
+	struct testframe_moddata* d = (struct testframe_moddata*)
+		cachedb_env->backend_data;
+	(void)env;
+	verbose(VERB_ALGO, "testframe_lookup of %s", key);
+	if(d->stored_key && strcmp(d->stored_key, key) == 0) {
+		if(d->stored_datalen > sldns_buffer_capacity(result_buffer))
+			return 0; /* too large */
+		verbose(VERB_ALGO, "testframe_lookup found %d bytes",
+			(int)d->stored_datalen);
+		sldns_buffer_clear(result_buffer);
+		sldns_buffer_write(result_buffer, d->stored_data,
+			d->stored_datalen);
+		sldns_buffer_flip(result_buffer);
+		return 1;
+	}
+	return 0;
+}
+
+static void
+testframe_store(struct module_env* env, struct cachedb_env* cachedb_env,
+	char* key, uint8_t* data, size_t data_len)
+{
+	struct testframe_moddata* d = (struct testframe_moddata*)
+		cachedb_env->backend_data;
+	(void)env;
+	verbose(VERB_ALGO, "testframe_store %s (%d bytes)", key, (int)data_len);
+
+	/* free old data element (if any) */
+	free(d->stored_key);
+	d->stored_key = NULL;
+	free(d->stored_data);
+	d->stored_data = NULL;
+	d->stored_datalen = 0;
+
+	d->stored_data = memdup(data, data_len);
+	if(!d->stored_data) {
+		log_err("out of memory");
+		return;
+	}
+	d->stored_datalen = data_len;
+	d->stored_key = strdup(key);
+	if(!d->stored_key) {
+		free(d->stored_data);
+		d->stored_data = NULL;
+		d->stored_datalen = 0;
+		return;
+	}
+	/* (key,data) successfully stored */
+}
+
+/** The testframe backend is for unit tests */
+static struct cachedb_backend testframe_backend = { "testframe",
+	testframe_init, testframe_deinit, testframe_lookup, testframe_store
+};
+
+/** find a particular backend from possible backends */
+static struct cachedb_backend*
+cachedb_find_backend(const char* str)
+{
+	if(strcmp(str, testframe_backend.name) == 0)
+		return &testframe_backend;
+	/* TODO add more backends here */
+	return NULL;
+}
+
+/** apply configuration to cachedb module 'global' state */
+static int
+cachedb_apply_cfg(struct cachedb_env* cachedb_env, struct config_file* cfg)
+{
+	const char* backend_str = "testframe"; /* TODO get from cfg */
+	if(backend_str && backend_str[0]) {
+		cachedb_env->backend = cachedb_find_backend(backend_str);
+		if(!cachedb_env->backend) {
+			log_err("cachedb: cannot find backend name '%s",
+				backend_str);
+			return NULL;
+		}
+	}
+	/* TODO see if more configuration needs to be applied or not */
+	return 1;
+}
+
+int 
+cachedb_init(struct module_env* env, int id)
+{
+	struct cachedb_env* cachedb_env = (struct cachedb_env*)calloc(1,
+		sizeof(struct cachedb_env));
+	if(!cachedb_env) {
+		log_err("malloc failure");
+		return 0;
+	}
+	env->modinfo[id] = (void*)cachedb_env;
+	if(!cachedb_apply_cfg(cachedb_env, env->cfg)) {
+		log_err("cachedb: could not apply configuration settings.");
+		return 0;
+	}
+	/* see if a backend is selected */
+	if(!cachedb_env->backend || !cachedb_env->backend->name)
+		return 1;
+	if(!(*cachedb_env->backend->init)(env, cachedb_env)) {
+		log_err("cachedb: could not init %s backend",
+			cachedb_env->backend->name);
+		return 0;
+	}
+	cachedb_env->enabled = 1;
+	return 1;
+}
+
+void 
+cachedb_deinit(struct module_env* env, int id)
+{
+	struct cachedb_env* cachedb_env;
+	if(!env || !env->modinfo[id])
+		return;
+	cachedb_env = (struct cachedb_env*)env->modinfo[id];
+	/* free contents */
+	/* TODO */
+	if(cachedb_env->enabled) {
+		(*cachedb_env->backend->deinit)(env, cachedb_env);
+	}
+
+	free(cachedb_env);
+	env->modinfo[id] = NULL;
+}
+
+/** new query for cachedb */
+static int
+cachedb_new(struct module_qstate* qstate, int id)
+{
+	struct cachedb_qstate* iq = (struct cachedb_qstate*)regional_alloc(
+		qstate->region, sizeof(struct cachedb_qstate));
+	qstate->minfo[id] = iq;
+	if(!iq) 
+		return 0;
+	memset(iq, 0, sizeof(*iq));
+	/* initialise it */
+	/* TODO */
+
+	return 1;
+}
+
+/**
+ * Return an error
+ * @param qstate: our query state
+ * @param id: module id
+ * @param rcode: error code (DNS errcode).
+ * @return: 0 for use by caller, to make notation easy, like:
+ * 	return error_response(..). 
+ */
+static int
+error_response(struct module_qstate* qstate, int id, int rcode)
+{
+	verbose(VERB_QUERY, "return error response %s", 
+		sldns_lookup_by_id(sldns_rcodes, rcode)?
+		sldns_lookup_by_id(sldns_rcodes, rcode)->name:"??");
+	qstate->return_rcode = rcode;
+	qstate->return_msg = NULL;
+	qstate->ext_state[id] = module_finished;
+	return 0;
+}
+
+/**
+ * Hash the query name, type, class and dbacess-secret into lookup buffer.
+ * @param qstate: query state with query info
+ * 	and env->cfg with secret.
+ * @param buf: returned buffer with hash to lookup
+ * @param len: length of the buffer.
+ */
+static void
+calc_hash(struct module_qstate* qstate, char* buf, size_t len)
+{
+	uint8_t clear[1024];
+	size_t clen = 0;
+	uint8_t hash[CACHEDB_HASHSIZE/8];
+	const char* hex = "0123456789ABCDEF";
+	const char* secret = "default"; /* TODO: from qstate->env->cfg */
+	size_t i;
+	
+	/* copy the hash info into the clear buffer */
+	if(clen + qstate->qinfo.qname_len < sizeof(clear)) {
+		memmove(clear+clen, qstate->qinfo.qname,
+			qstate->qinfo.qname_len);
+		clen += qstate->qinfo.qname_len;
+	}
+	if(clen + 4 < sizeof(clear)) {
+		uint16_t t = htons(qstate->qinfo.qtype);
+		uint16_t c = htons(qstate->qinfo.qclass);
+		memmove(clear+clen, &t, 2);
+		memmove(clear+clen+2, &c, 2);
+		clen += 4;
+	}
+	if(secret && secret[0] && clen + strlen(secret) < sizeof(clear)) {
+		memmove(clear+clen, secret, strlen(secret));
+		clen += strlen(secret);
+	}
+	
+	/* hash the buffer */
+	secalgo_hash_sha256(clear, clen, hash);
+	memset(clear, 0, clen);
+
+	/* hex encode output for portability (some online dbs need
+	 * no nulls, no control characters, and so on) */
+	log_assert(len >= sizeof(hash)*2 + 1);
+	(void)len;
+	for(i=0; i<sizeof(hash); i++) {
+		buf[i*2] = hex[(hash[i]&0xf0)>>4];
+		buf[i*2+1] = hex[hash[i]&0x0f];
+	}
+	buf[sizeof(hash)*2] = 0;
+}
+
+/** convert data from return_msg into the data buffer */
+static int
+prep_data(struct module_qstate* qstate, struct sldns_buffer* buf)
+{
+	uint64_t timestamp, expiry;
+	size_t oldlim;
+	struct edns_data edns;
+	memset(&edns, 0, sizeof(edns));
+	edns.edns_present = 1;
+	edns.bits = EDNS_DO;
+	edns.ext_rcode = 0;
+	edns.edns_version = EDNS_ADVERTISED_VERSION;
+	edns.udp_size = EDNS_ADVERTISED_SIZE;
+
+	if(!qstate->return_msg || !qstate->return_msg->rep)
+		return 0;
+	if(verbosity >= VERB_ALGO)
+		log_dns_msg("cachedb encoding", &qstate->return_msg->qinfo,
+	                qstate->return_msg->rep);
+	if(!reply_info_answer_encode(&qstate->return_msg->qinfo,
+		qstate->return_msg->rep, 0, qstate->query_flags,
+		buf, 0, 1, qstate->env->scratch, 65535, &edns, 1, 0))
+		return 0;
+
+	/* TTLs in the return_msg are relative to time(0) so we have to
+	 * store that, we also store the smallest ttl in the packet+time(0)
+	 * as the packet expiry time */
+	/* qstate->return_msg->rep->ttl contains that relative shortest ttl */
+	timestamp = (uint64_t)*qstate->env->now;
+	expiry = timestamp + (uint64_t)qstate->return_msg->rep->ttl;
+	timestamp = htobe64(timestamp);
+	expiry = htobe64(expiry);
+	oldlim = sldns_buffer_limit(buf);
+	if(oldlim + sizeof(timestamp)+sizeof(expiry) >=
+		sldns_buffer_capacity(buf))
+		return 0; /* doesn't fit. */
+	sldns_buffer_set_limit(buf, oldlim + sizeof(timestamp)+sizeof(expiry));
+	sldns_buffer_write_at(buf, oldlim, &timestamp, sizeof(timestamp));
+	sldns_buffer_write_at(buf, oldlim+sizeof(timestamp), &expiry,
+		sizeof(expiry));
+
+	return 1;
+}
+
+/** check expiry, return true if matches OK */
+static int
+good_expiry_and_qinfo(struct module_qstate* qstate, struct sldns_buffer* buf)
+{
+	uint64_t expiry;
+	/* the expiry time is the last bytes of the buffer */
+	if(sldns_buffer_limit(buf) < sizeof(expiry))
+		return 0;
+	sldns_buffer_read_at(buf, sldns_buffer_limit(buf)-sizeof(expiry),
+		&expiry, sizeof(expiry));
+	expiry = be64toh(expiry);
+
+	if((time_t)expiry < *qstate->env->now)
+		return 0;
+
+	return 1;
+}
+
+/** convert dns message in buffer to return_msg */
+static int
+parse_data(struct module_qstate* qstate, struct sldns_buffer* buf)
+{
+	struct msg_parse* prs;
+	struct edns_data edns;
+	uint64_t timestamp, expiry;
+	time_t adjust;
+	size_t lim = sldns_buffer_limit(buf);
+	if(lim < LDNS_HEADER_SIZE+sizeof(timestamp)+sizeof(expiry))
+		return 0; /* too short */
+
+	/* remove timestamp and expiry from end */
+	sldns_buffer_read_at(buf, lim-sizeof(expiry), &expiry, sizeof(expiry));
+	sldns_buffer_read_at(buf, lim-sizeof(expiry)-sizeof(timestamp),
+		&timestamp, sizeof(timestamp));
+	expiry = be64toh(expiry);
+	timestamp = be64toh(timestamp);
+
+	/* parse DNS packet */
+	regional_free_all(qstate->env->scratch);
+	prs = (struct msg_parse*)regional_alloc(qstate->env->scratch,
+		sizeof(struct msg_parse));
+	if(!prs)
+		return 0; /* out of memory */
+	memset(prs, 0, sizeof(*prs));
+	memset(&edns, 0, sizeof(edns));
+	sldns_buffer_set_limit(buf, lim - sizeof(expiry)-sizeof(timestamp));
+	if(parse_packet(buf, prs, qstate->env->scratch) != LDNS_RCODE_NOERROR) {
+		sldns_buffer_set_limit(buf, lim);
+		return 0;
+	}
+	if(parse_extract_edns(prs, &edns, qstate->env->scratch) !=
+		LDNS_RCODE_NOERROR) {
+		sldns_buffer_set_limit(buf, lim);
+		return 0;
+	}
+
+	qstate->return_msg = dns_alloc_msg(buf, prs, qstate->region);
+	sldns_buffer_set_limit(buf, lim);
+	if(!qstate->return_msg)
+		return 0;
+	
+	qstate->return_rcode = LDNS_RCODE_NOERROR;
+
+	/* see how much of the TTL expired, and remove it */
+	adjust = *qstate->env->now - (time_t)timestamp;
+	verbose(VERB_ALGO, "cachedb msg adjusted down by %d", (int)adjust);
+	/*adjust_msg(qstate->return_msg, adjust);*/
+	/* TODO:
+		msg->rep->ttl = r->ttl - adjust;
+		msg->rep->prefetch_ttl = PREFETCH_TTL_CALC(msg->rep->ttl);
+		for(i=0; i<d->count + d->rrsig_count; i++) {
+			if(d->rr_ttl[i] < adjust)
+				d->rr_ttl[i] = 0;
+			else    d->rr_ttl[i] -= adjust;
+		}
+		if(d->ttl < adjust)
+			d->ttl = 0;
+		else    d->ttl -= adjust;
+		*/
+	/* TODO */
+
+	return 0;
+}
+
+/**
+ * Lookup the qstate.qinfo in extcache, store in qstate.return_msg.
+ * return true if lookup was successful.
+ */
+static int
+cachedb_extcache_lookup(struct module_qstate* qstate, struct cachedb_env* ie)
+{
+	char key[(CACHEDB_HASHSIZE/8)*2+1];
+	calc_hash(qstate, key, sizeof(key));
+
+	/* call backend to fetch data for key into scratch buffer */
+	if( !(*ie->backend->lookup)(qstate->env, ie, key,
+		qstate->env->scratch_buffer)) {
+		return 0;
+	}
+
+	/* check expiry date and check if query-data matches */
+	if( !good_expiry_and_qinfo(qstate, qstate->env->scratch_buffer) ) {
+		return 0;
+	}
+
+	/* parse dns message into return_msg */
+	if( !parse_data(qstate, qstate->env->scratch_buffer) ) {
+		return 0;
+	}
+	return 1;
+}
+
+/**
+ * Store the qstate.return_msg in extcache for key qstate.info
+ */
+static void
+cachedb_extcache_store(struct module_qstate* qstate, struct cachedb_env* ie)
+{
+	char key[(CACHEDB_HASHSIZE/8)*2+1];
+	calc_hash(qstate, key, sizeof(key));
+
+	/* prepare data in scratch buffer */
+	if(!prep_data(qstate, qstate->env->scratch_buffer))
+		return;
+	
+	/* call backend */
+	(*ie->backend->store)(qstate->env, ie, key,
+		sldns_buffer_begin(qstate->env->scratch_buffer),
+		sldns_buffer_limit(qstate->env->scratch_buffer));
+}
+
+/**
+ * See if unbound's internal cache can answer the query
+ */
+static int
+cachedb_intcache_lookup(struct module_qstate* qstate)
+{
+	struct dns_msg* msg;
+	msg = dns_cache_lookup(qstate->env, qstate->qinfo.qname,
+		qstate->qinfo.qname_len, qstate->qinfo.qtype,
+		qstate->qinfo.qclass, qstate->query_flags,
+		qstate->region, qstate->env->scratch);
+	if(!msg && qstate->env->neg_cache) {
+		/* lookup in negative cache; may result in 
+		 * NOERROR/NODATA or NXDOMAIN answers that need validation */
+		msg = val_neg_getmsg(qstate->env->neg_cache, &qstate->qinfo,
+			qstate->region, qstate->env->rrset_cache,
+			qstate->env->scratch_buffer,
+			*qstate->env->now, 1/*add SOA*/, NULL);
+	}
+	if(!msg)
+		return 0;
+	/* this is the returned msg */
+	qstate->return_rcode = LDNS_RCODE_NOERROR;
+	qstate->return_msg = msg;
+	return 1;
+}
+
+/**
+ * Store query into the internal cache of unbound.
+ */
+static void
+cachedb_intcache_store(struct module_qstate* qstate)
+{
+	if(!qstate->return_msg)
+		return;
+	(void)dns_cache_store(qstate->env, &qstate->qinfo,
+		qstate->return_msg->rep, 0, qstate->prefetch_leeway, 0,
+		qstate->region, qstate->query_flags);
+}
+
+/**
+ * Handle a cachedb module event with a query
+ * @param qstate: query state (from the mesh), passed between modules.
+ * 	contains qstate->env module environment with global caches and so on.
+ * @param iq: query state specific for this module.  per-query.
+ * @param ie: environment specific for this module.  global.
+ * @param id: module id.
+ */
+static void
+cachedb_handle_query(struct module_qstate* qstate,
+	struct cachedb_qstate* ATTR_UNUSED(iq),
+	struct cachedb_env* ie, int id)
+{
+	/* check if we are enabled, and skip if so */
+	if(!ie->enabled) {
+		/* pass request to next module */
+		qstate->ext_state[id] = module_wait_module;
+		return;
+	}
+
+	if(qstate->blacklist) {
+		/* cache is blacklisted */
+		/* pass request to next module */
+		qstate->ext_state[id] = module_wait_module;
+		return;
+	}
+
+	/* lookup inside unbound's internal cache */
+	if(cachedb_intcache_lookup(qstate)) {
+		if(verbosity >= VERB_ALGO)
+			log_dns_msg("cachedb internal cache lookup",
+				&qstate->return_msg->qinfo,
+				qstate->return_msg->rep);
+		/* we are done with the query */
+		qstate->ext_state[id] = module_finished;
+		return;
+	}
+
+	/* ask backend cache to see if we have data */
+	if(cachedb_extcache_lookup(qstate, ie)) {
+		if(verbosity >= VERB_ALGO)
+			log_dns_msg(ie->backend->name,
+				&qstate->return_msg->qinfo,
+				qstate->return_msg->rep);
+		/* store this result in internal cache */
+		cachedb_intcache_store(qstate);
+		/* we are done with the query */
+		qstate->ext_state[id] = module_finished;
+		return;
+	}
+
+	/* no cache fetches */
+	/* pass request to next module */
+	qstate->ext_state[id] = module_wait_module;
+}
+
+/**
+ * Handle a cachedb module event with a response from the iterator.
+ * @param qstate: query state (from the mesh), passed between modules.
+ * 	contains qstate->env module environment with global caches and so on.
+ * @param iq: query state specific for this module.  per-query.
+ * @param ie: environment specific for this module.  global.
+ * @param id: module id.
+ */
+static void
+cachedb_handle_response(struct module_qstate* qstate,
+	struct cachedb_qstate* ATTR_UNUSED(iq), struct cachedb_env* ie, int id)
+{
+	/* check if we are enabled, and skip if not */
+	if(!ie->enabled) {
+		/* we are done with the query */
+		qstate->ext_state[id] = module_finished;
+		return;
+	}
+
+	/* store the item into the backend cache */
+	cachedb_extcache_store(qstate, ie);
+
+	/* we are done with the query */
+	qstate->ext_state[id] = module_finished;
+}
+
+void 
+cachedb_operate(struct module_qstate* qstate, enum module_ev event, int id,
+	struct outbound_entry* outbound)
+{
+	struct cachedb_env* ie = (struct cachedb_env*)qstate->env->modinfo[id];
+	struct cachedb_qstate* iq = (struct cachedb_qstate*)qstate->minfo[id];
+	verbose(VERB_QUERY, "cachedb[module %d] operate: extstate:%s event:%s", 
+		id, strextstate(qstate->ext_state[id]), strmodulevent(event));
+	if(iq) log_query_info(VERB_QUERY, "cachedb operate: query", 
+		&qstate->qinfo);
+
+	/* perform cachedb state machine */
+	if((event == module_event_new || event == module_event_pass) && 
+		iq == NULL) {
+		if(!cachedb_new(qstate, id)) {
+			(void)error_response(qstate, id, LDNS_RCODE_SERVFAIL);
+			return;
+		}
+		iq = (struct cachedb_qstate*)qstate->minfo[id];
+	}
+	if(iq && (event == module_event_pass || event == module_event_new)) {
+		cachedb_handle_query(qstate, iq, ie, id);
+		return;
+	}
+	if(iq && (event == module_event_moddone)) {
+		cachedb_handle_response(qstate, iq, ie, id);
+		return;
+	}
+	if(iq && outbound) {
+		/* cachedb does not need to process responses at this time
+		 * ignore it.
+		cachedb_process_response(qstate, iq, ie, id, outbound, event);
+		*/
+		return;
+	}
+	if(event == module_event_error) {
+		verbose(VERB_ALGO, "got called with event error, giving up");
+		(void)error_response(qstate, id, LDNS_RCODE_SERVFAIL);
+		return;
+	}
+
+	log_err("bad event for cachedb");
+	(void)error_response(qstate, id, LDNS_RCODE_SERVFAIL);
+}
+
+void
+cachedb_inform_super(struct module_qstate* ATTR_UNUSED(qstate),
+	int ATTR_UNUSED(id), struct module_qstate* ATTR_UNUSED(super))
+{
+	/* cachedb does not use subordinate requests at this time */
+	verbose(VERB_ALGO, "cachedb inform_super was called");
+}
+
+void 
+cachedb_clear(struct module_qstate* qstate, int id)
+{
+	struct cachedb_qstate* iq;
+	if(!qstate)
+		return;
+	iq = (struct cachedb_qstate*)qstate->minfo[id];
+	if(iq) {
+		/* free contents of iq */
+		/* TODO */
+	}
+	qstate->minfo[id] = NULL;
+}
+
+size_t 
+cachedb_get_mem(struct module_env* env, int id)
+{
+	struct cachedb_env* ie = (struct cachedb_env*)env->modinfo[id];
+	if(!ie)
+		return 0;
+	return sizeof(*ie); /* TODO - more mem */
+}
+
+/**
+ * The cachedb function block 
+ */
+static struct module_func_block cachedb_block = {
+	"cachedb",
+	&cachedb_init, &cachedb_deinit, &cachedb_operate,
+	&cachedb_inform_super, &cachedb_clear, &cachedb_get_mem
+};
+
+struct module_func_block* 
+cachedb_get_funcblock(void)
+{
+	return &cachedb_block;
+}
+#endif /* USE_CACHEDB */

cachedb/cachedb.h

@@ -0,0 +1,110 @@
+/*
+ * cachedb/cachedb.h - cache from a database external to the program module
+ *
+ * Copyright (c) 2016, NLnet Labs. All rights reserved.
+ *
+ * This software is open source.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 
+ * Neither the name of the NLNET LABS nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * \file
+ *
+ * This file contains a module that uses an external database to cache
+ * dns responses.
+ */
+#include "util/module.h"
+struct cachedb_backend;
+
+/**
+ * The global variable environment contents for the cachedb
+ * Shared between threads, this represents long term information.
+ * Like database connections.
+ */
+struct cachedb_env {
+	/** true is cachedb is enabled, the backend is turned on */
+	int enabled;
+
+	/** the backend routines */
+	struct cachedb_backend* backend;
+
+	/** backend specific data here */
+	void* backend_data;
+};
+
+/**
+ * Per query state for the cachedb module.
+ */
+struct cachedb_qstate {
+	int todo;
+};
+
+/**
+ * Backend call routines
+ */
+struct cachedb_backend {
+	/** backend name */
+	const char* name;
+
+	/** Init(env, cachedb_env): false on setup failure */
+	int (*init)(struct module_env*, struct cachedb_env*);
+
+	/** Deinit - close db for program exit */
+	void (*deinit)(struct module_env*, struct cachedb_env*);
+
+	/** Lookup (env, cachedb_env, key, result_buffer): true if found */
+	int (*lookup)(struct module_env*, struct cachedb_env*, char*,
+		struct sldns_buffer*);
+	
+	/** Store (env, cachedb_env, key, data, data_len) */
+	void (*store)(struct module_env*, struct cachedb_env*, char*,
+		uint8_t*, size_t);
+};
+
+/** Init the cachedb module */
+int cachedb_init(struct module_env* env, int id);
+/** Deinit the cachedb module */
+void cachedb_deinit(struct module_env* env, int id);
+/** Operate on an event on a query (in qstate). */
+void cachedb_operate(struct module_qstate* qstate, enum module_ev event,
+	int id, struct outbound_entry* outbound);
+/** Subordinate query done, inform this super request of its conclusion */
+void cachedb_inform_super(struct module_qstate* qstate, int id,
+	struct module_qstate* super);
+/** clear the cachedb query-specific contents out of qstate */
+void cachedb_clear(struct module_qstate* qstate, int id);
+/** return memory estimate for cachedb module */
+size_t cachedb_get_mem(struct module_env* env, int id);
+
+/**
+ * Get the function block with pointers to the cachedb functions
+ * @return the function block for "cachedb".
+ */
+struct module_func_block* cachedb_get_funcblock(void);
+

compat/arc4random.c

@@ -26,7 +26,9 @@
 #include <fcntl.h>
 #include <limits.h>
 #include <signal.h>
+#ifdef HAVE_STDINT_H
 #include <stdint.h>
+#endif
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
@@ -46,6 +48,9 @@
 #else				/* !__GNUC__ */
 #define inline
 #endif				/* !__GNUC__ */
+#ifndef MAP_ANON
+#define MAP_ANON MAP_ANONYMOUS
+#endif
 
 #define KEYSZ	32
 #define IVSZ	8

compat/explicit_bzero.c

@@ -6,7 +6,11 @@
 #include "config.h"
 #include <string.h>
 
+#ifdef HAVE_ATTR_WEAK
 __attribute__((weak)) void
+#else
+void
+#endif
 __explicit_bzero_hook(void *ATTR_UNUSED(buf), size_t ATTR_UNUSED(len))
 {
 }

compat/getentropy_linux.c

@@ -46,7 +46,12 @@
 #include <errno.h>
 #include <unistd.h>
 #include <time.h>
+
+#if defined(HAVE_SSL)
 #include <openssl/sha.h>
+#elif defined(HAVE_NETTLE)
+#include <nettle/sha.h>
+#endif
 
 #include <linux/types.h>
 #include <linux/random.h>
@@ -55,6 +60,9 @@
 #include <sys/auxv.h>
 #endif
 #include <sys/vfs.h>
+#ifndef MAP_ANON
+#define MAP_ANON MAP_ANONYMOUS
+#endif
 
 #define REPEAT 5
 #define min(a, b) (((a) < (b)) ? (a) : (b))
@@ -67,9 +75,21 @@
 			HD(b); \
 	} while (0)
 
+#if defined(HAVE_SSL)
+#define CRYPTO_SHA512_CTX		SHA512_CTX
+#define CRYPTO_SHA512_INIT(x)		SHA512_Init(x)
+#define CRYPTO_SHA512_FINAL(r, c)	SHA512_Final(r, c)
 #define HR(x, l) (SHA512_Update(&ctx, (char *)(x), (l)))
 #define HD(x)	 (SHA512_Update(&ctx, (char *)&(x), sizeof (x)))
 #define HF(x)    (SHA512_Update(&ctx, (char *)&(x), sizeof (void*)))
+#elif defined(HAVE_NETTLE)
+#define CRYPTO_SHA512_CTX		struct sha512_ctx
+#define CRYPTO_SHA512_INIT(x)		sha512_init(x)
+#define CRYPTO_SHA512_FINAL(r, c)	sha512_digest(c, SHA512_DIGEST_SIZE, r)
+#define HR(x, l) (sha512_update(&ctx, (l), (uint8_t *)(x)))
+#define HD(x)	 (sha512_update(&ctx, sizeof (x), (uint8_t *)&(x)))
+#define HF(x)    (sha512_update(&ctx, sizeof (void*), (uint8_t *)&(x)))
+#endif
 
 int	getentropy(void *buf, size_t len);
 
@@ -77,7 +97,7 @@ int	getentropy(void *buf, size_t len);
 extern int main(int, char *argv[]);
 #endif
 static int gotdata(char *buf, size_t len);
-#ifdef SYS_getrandom
+#if defined(SYS_getrandom) && defined(__NR_getrandom)
 static int getentropy_getrandom(void *buf, size_t len);
 #endif
 static int getentropy_urandom(void *buf, size_t len);
@@ -96,7 +116,7 @@ getentropy(void *buf, size_t len)
 		return -1;
 	}
 
-#ifdef SYS_getrandom
+#if defined(SYS_getrandom) && defined(__NR_getrandom)
 	/*
 	 * Try descriptor-less getrandom()
 	 */
@@ -122,7 +142,7 @@ getentropy(void *buf, size_t len)
 	 * Try to use sysctl CTL_KERN, KERN_RANDOM, RANDOM_UUID.
 	 * sysctl is a failsafe API, so it guarantees a result.  This
 	 * should work inside a chroot, or when file descriptors are
-	 * exhuasted.
+	 * exhausted.
 	 *
 	 * However this can fail if the Linux kernel removes support
 	 * for sysctl.  Starting in 2007, there have been efforts to
@@ -192,7 +212,7 @@ gotdata(char *buf, size_t len)
 	return 0;
 }
 
-#ifdef SYS_getrandom
+#if defined(SYS_getrandom) && defined(__NR_getrandom)
 static int
 getentropy_getrandom(void *buf, size_t len)
 {
@@ -337,7 +357,7 @@ getentropy_fallback(void *buf, size_t len)
 	struct rusage ru;
 	sigset_t sigset;
 	struct stat st;
-	SHA512_CTX ctx;
+	CRYPTO_SHA512_CTX ctx;
 	static pid_t lastpid;
 	pid_t pid;
 	size_t i, ii, m;
@@ -354,7 +374,7 @@ getentropy_fallback(void *buf, size_t len)
 	}
 	for (i = 0; i < len; ) {
 		int j;
-		SHA512_Init(&ctx);
+		CRYPTO_SHA512_INIT(&ctx);
 		for (j = 0; j < repeat; j++) {
 			HX((e = gettimeofday(&tv, NULL)) == -1, tv);
 			if (e != -1) {
@@ -526,7 +546,7 @@ getentropy_fallback(void *buf, size_t len)
 #  endif
 #endif /* HAVE_GETAUXVAL */
 
-		SHA512_Final(results, &ctx);
+		CRYPTO_SHA512_FINAL(results, &ctx);
 		memcpy((char*)buf + i, results, min(sizeof(results), len - i));
 		i += min(sizeof(results), len - i);
 	}

compat/getentropy_solaris.c

@@ -30,7 +30,9 @@
 #include <sys/stat.h>
 #include <sys/time.h>
 #include <stdlib.h>
+#ifdef HAVE_STDINT_H
 #include <stdint.h>
+#endif
 #include <stdio.h>
 #include <termios.h>
 #include <fcntl.h>
@@ -39,10 +41,14 @@
 #include <errno.h>
 #include <unistd.h>
 #include <time.h>
+#ifdef HAVE_SYS_SHA2_H
 #include <sys/sha2.h>
 #define SHA512_Init SHA512Init
 #define SHA512_Update SHA512Update
 #define SHA512_Final SHA512Final
+#else
+#include "openssl/sha.h"
+#endif
 
 #include <sys/vfs.h>
 #include <sys/statfs.h>

compat/isblank.c

@@ -0,0 +1,45 @@
+/* isblank - compatibility implementation of isblank
+ *
+ * Copyright (c) 2015, NLnet Labs. All rights reserved.
+ *
+ * This software is open source.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 
+ * Neither the name of the NLNET LABS nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+/* return true for a blank character: space or tab */
+int isblank(int c);
+
+/* implementation of isblank. unsigned char is the argument */
+int
+isblank(int c)
+{
+	return (c==' ' || c=='\t');
+}

compat/reallocarray.c

@@ -18,7 +18,10 @@
 #include "config.h"
 #include <sys/types.h>
 #include <errno.h>
+#ifdef HAVE_STDINT_H
 #include <stdint.h>
+#endif
+#include <limits.h>
 #include <stdlib.h>
 
 /*

compat/sha512.c

@@ -70,7 +70,7 @@ unsigned char *SHA512(void *data, unsigned int data_len, unsigned char *digest);
  * Please make sure that your system defines BYTE_ORDER.  If your
  * architecture is little-endian, make sure it also defines
  * LITTLE_ENDIAN and that the two (BYTE_ORDER and LITTLE_ENDIAN) are
- * equivilent.
+ * equivalent.
  *
  * If your system does not define the above, then you can do so by
  * hand like this:

compat/snprintf.c

@@ -42,6 +42,7 @@
 #ifdef HAVE_STDINT_H
 #include <stdint.h>
 #endif
+#include <limits.h>
 
 /* for test */
 /* #define SNPRINTF_TEST 1 */
@@ -428,7 +429,7 @@ print_num_llp(char** at, size_t* left, int* ret, void* value,
 	char buf[PRINT_DEC_BUFSZ];
 	int negative = 0;
 	int zero = (value == 0);
-#if defined(UINTPTR_MAX) && defined(UINT32_MAX) && (UINTPTR_MAX == UINT32_MAX)
+#if defined(SIZE_MAX) && defined(UINT32_MAX) && (UINT32_MAX == SIZE_MAX || INT32_MAX == SIZE_MAX)
 	/* avoid warning about upcast on 32bit systems */
 	unsigned long long llvalue = (unsigned long)value;
 #else

compat/strsep.c

@@ -0,0 +1,65 @@
+/** 
+ * strsep implementation for compatibility.
+ *
+  * LICENSE
+  * Copyright (c) 2016, NLnet Labs
+  * All rights reserved.
+  *
+  * Redistribution and use in source and binary forms, with or without
+  * modification, are permitted provided that the following conditions are met:
+  * * Redistributions of source code must retain the above copyright notice,
+  *     this list of conditions and the following disclaimer.
+  * * Redistributions in binary form must reproduce the above copyright
+  *   notice, this list of conditions and the following disclaimer in the
+  *   documentation and/or other materials provided with the distribution.
+  * * Neither the name of NLnetLabs nor the names of its
+  *   contributors may be used to endorse or promote products derived from this
+  *   software without specific prior written permission.
+  *
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+  * POSSIBILITY OF SUCH DAMAGE.
+ **/
+
+#include "config.h"
+
+/** see if character is in the delimiter array */
+static int
+in_delim(char c, const char* delim)
+{
+	const char* p;
+	if(!delim)
+		return 0;
+	for(p=delim; *p; p++) {
+		if(*p == c)
+			return 1;
+	}
+	return 0;
+}
+
+char *strsep(char **stringp, const char *delim)
+{
+	char* s;
+	char* orig;
+	if(stringp == NULL || *stringp == NULL)
+		return NULL;
+	orig = *stringp;
+	s = *stringp;
+	while(*s && !in_delim(*s, delim))
+		s++;
+	if(*s) {
+		*s = 0;
+		*stringp = s+1;
+	} else {
+		*stringp = NULL;
+	}
+	return orig;
+}

config.h.in

@@ -42,12 +42,18 @@
 /* Whether the C compiler accepts the "unused" attribute */
 #undef HAVE_ATTR_UNUSED
 
+/* Whether the C compiler accepts the "weak" attribute */
+#undef HAVE_ATTR_WEAK
+
 /* Define to 1 if you have the `chown' function. */
 #undef HAVE_CHOWN
 
 /* Define to 1 if you have the `chroot' function. */
 #undef HAVE_CHROOT
 
+/* Define to 1 if you have the `CRYPTO_cleanup_all_ex_data' function. */
+#undef HAVE_CRYPTO_CLEANUP_ALL_EX_DATA
+
 /* Define to 1 if you have the `ctime_r' function. */
 #undef HAVE_CTIME_R
 
@@ -94,6 +100,10 @@
    don't. */
 #undef HAVE_DECL_STRLCPY
 
+/* Define to 1 if you have the declaration of `XML_StopParser', and to 0 if
+   you don't. */
+#undef HAVE_DECL_XML_STOPPARSER
+
 /* Define to 1 if you have the <dlfcn.h> header file. */
 #undef HAVE_DLFCN_H
 
@@ -103,9 +113,18 @@
 /* Define to 1 if you have the `endprotoent' function. */
 #undef HAVE_ENDPROTOENT
 
+/* Define to 1 if you have the `endpwent' function. */
+#undef HAVE_ENDPWENT
+
 /* Define to 1 if you have the `endservent' function. */
 #undef HAVE_ENDSERVENT
 
+/* Define to 1 if you have the `ERR_free_strings' function. */
+#undef HAVE_ERR_FREE_STRINGS
+
+/* Define to 1 if you have the `ERR_load_crypto_strings' function. */
+#undef HAVE_ERR_LOAD_CRYPTO_STRINGS
+
 /* Define to 1 if you have the `event_base_free' function. */
 #undef HAVE_EVENT_BASE_FREE
 
@@ -121,6 +140,12 @@
 /* Define to 1 if you have the <event.h> header file. */
 #undef HAVE_EVENT_H
 
+/* Define to 1 if you have the `EVP_cleanup' function. */
+#undef HAVE_EVP_CLEANUP
+
+/* Define to 1 if you have the `EVP_MD_CTX_new' function. */
+#undef HAVE_EVP_MD_CTX_NEW
+
 /* Define to 1 if you have the `EVP_sha1' function. */
 #undef HAVE_EVP_SHA1
 
@@ -151,6 +176,9 @@
 /* Define to 1 if fseeko (and presumably ftello) exists and is declared. */
 #undef HAVE_FSEEKO
 
+/* Define to 1 if you have the `fsync' function. */
+#undef HAVE_FSYNC
+
 /* Whether getaddrinfo is available */
 #undef HAVE_GETADDRINFO
 
@@ -181,8 +209,8 @@
 /* Define to 1 if you have the <grp.h> header file. */
 #undef HAVE_GRP_H
 
-/* If you have HMAC_CTX_init */
-#undef HAVE_HMAC_CTX_INIT
+/* If you have HMAC_Update */
+#undef HAVE_HMAC_UPDATE
 
 /* Define to 1 if you have the `inet_aton' function. */
 #undef HAVE_INET_ATON
@@ -205,6 +233,9 @@
 /* Define to 1 if you have the <iphlpapi.h> header file. */
 #undef HAVE_IPHLPAPI_H
 
+/* Define to 1 if you have the `isblank' function. */
+#undef HAVE_ISBLANK
+
 /* Define to 1 if you have the `kill' function. */
 #undef HAVE_KILL
 
@@ -232,24 +263,54 @@
 /* Define to 1 if you have the <netinet/in.h> header file. */
 #undef HAVE_NETINET_IN_H
 
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+#undef HAVE_NETINET_TCP_H
+
+/* Use libnettle for crypto */
+#undef HAVE_NETTLE
+
+/* Define to 1 if you have the <nettle/dsa-compat.h> header file. */
+#undef HAVE_NETTLE_DSA_COMPAT_H
+
 /* Use libnss for crypto */
 #undef HAVE_NSS
 
+/* Define to 1 if you have the `OpenSSL_add_all_digests' function. */
+#undef HAVE_OPENSSL_ADD_ALL_DIGESTS
+
+/* Define to 1 if you have the <openssl/bn.h> header file. */
+#undef HAVE_OPENSSL_BN_H
+
 /* Define to 1 if you have the `OPENSSL_config' function. */
 #undef HAVE_OPENSSL_CONFIG
 
 /* Define to 1 if you have the <openssl/conf.h> header file. */
 #undef HAVE_OPENSSL_CONF_H
 
+/* Define to 1 if you have the <openssl/dh.h> header file. */
+#undef HAVE_OPENSSL_DH_H
+
+/* Define to 1 if you have the <openssl/dsa.h> header file. */
+#undef HAVE_OPENSSL_DSA_H
+
 /* Define to 1 if you have the <openssl/engine.h> header file. */
 #undef HAVE_OPENSSL_ENGINE_H
 
 /* Define to 1 if you have the <openssl/err.h> header file. */
 #undef HAVE_OPENSSL_ERR_H
 
+/* Define to 1 if you have the `OPENSSL_init_crypto' function. */
+#undef HAVE_OPENSSL_INIT_CRYPTO
+
+/* Define to 1 if you have the `OPENSSL_init_ssl' function. */
+#undef HAVE_OPENSSL_INIT_SSL
+
 /* Define to 1 if you have the <openssl/rand.h> header file. */
 #undef HAVE_OPENSSL_RAND_H
 
+/* Define to 1 if you have the <openssl/rsa.h> header file. */
+#undef HAVE_OPENSSL_RSA_H
+
 /* Define to 1 if you have the <openssl/ssl.h> header file. */
 #undef HAVE_OPENSSL_SSL_H
 
@@ -274,13 +335,16 @@
 /* Define to 1 if you have the `random' function. */
 #undef HAVE_RANDOM
 
+/* Define to 1 if you have the `RAND_cleanup' function. */
+#undef HAVE_RAND_CLEANUP
+
 /* Define to 1 if you have the `reallocarray' function. */
 #undef HAVE_REALLOCARRAY
 
 /* Define to 1 if you have the `recvmsg' function. */
 #undef HAVE_RECVMSG
 
-/* Define to 1 if you have the `sbrk' function. */
+/* define if you have the sbrk() call */
 #undef HAVE_SBRK
 
 /* Define to 1 if you have the `sendmsg' function. */
@@ -361,6 +425,9 @@
 /* Define to 1 if you have the `strptime' function. */
 #undef HAVE_STRPTIME
 
+/* Define to 1 if you have the `strsep' function. */
+#undef HAVE_STRSEP
+
 /* Define to 1 if `ipi_spec_dst' is a member of `struct in_pktinfo'. */
 #undef HAVE_STRUCT_IN_PKTINFO_IPI_SPEC_DST
 
@@ -448,8 +515,7 @@
 /* if lex has yylex_destroy */
 #undef LEX_HAS_YYLEX_DESTROY
 
-/* Define to the sub-directory in which libtool stores uninstalled libraries.
-   */
+/* Define to the sub-directory where libtool stores uninstalled libraries. */
 #undef LT_OBJDIR
 
 /* Define to the maximum message length to pass to syslog. */
@@ -471,6 +537,9 @@
 /* Put -D_BSD_SOURCE define in config.h */
 #undef OMITTED__D_BSD_SOURCE
 
+/* Put -D_DEFAULT_SOURCE define in config.h */
+#undef OMITTED__D_DEFAULT_SOURCE
+
 /* Put -D_GNU_SOURCE define in config.h */
 #undef OMITTED__D_GNU_SOURCE
 
@@ -535,6 +604,9 @@
 /* The size of `time_t', as computed by sizeof. */
 #undef SIZEOF_TIME_T
 
+/* define if (v)snprintf does not return length needed, (but length used) */
+#undef SNPRINTF_RET_BROKEN
+
 /* Define to 1 if you have the ANSI C header files. */
 #undef STDC_HEADERS
 
@@ -559,9 +631,15 @@
 /* define this to enable debug checks. */
 #undef UNBOUND_DEBUG
 
+/* Define to 1 to use cachedb support */
+#undef USE_CACHEDB
+
 /* Define to 1 to enable dnstap support */
 #undef USE_DNSTAP
 
+/* Define this to enable DSA support. */
+#undef USE_DSA
+
 /* Define this to enable ECDSA support. */
 #undef USE_ECDSA
 
@@ -574,6 +652,12 @@
 /* Define if you want to use internal select based events */
 #undef USE_MINI_EVENT
 
+/* Define this to enable client TCP Fast Open. */
+#undef USE_MSG_FASTOPEN
+
+/* Define this to enable client TCP Fast Open. */
+#undef USE_OSX_MSG_FASTOPEN
+
 /* Define this to enable SHA256 and SHA512 support. */
 #undef USE_SHA2
 
@@ -599,6 +683,9 @@
 #endif
 
 
+/* Define this to enable server TCP Fast Open. */
+#undef USE_TCP_FASTOPEN
+
 /* Whether the windows socket API is used */
 #undef USE_WINSOCK
 
@@ -722,6 +809,10 @@
 #define _BSD_SOURCE 1
 #endif 
 
+#if defined(OMITTED__D_DEFAULT_SOURCE) && !defined(_DEFAULT_SOURCE)
+#define _DEFAULT_SOURCE 1
+#endif 
+
 #if defined(OMITTED__D__EXTENSIONS__) && !defined(__EXTENSIONS__)
 #define __EXTENSIONS__ 1
 #endif 
@@ -795,6 +886,10 @@
 #include <netinet/in.h>
 #endif
 
+#ifdef HAVE_NETINET_TCP_H
+#include <netinet/tcp.h>
+#endif
+
 #ifdef HAVE_ARPA_INET_H
 #include <arpa/inet.h>
 #endif
@@ -848,15 +943,13 @@
 #define MAXHOSTNAMELEN 256
 #endif
 
-
-#ifndef HAVE_SNPRINTF
+#if !defined(HAVE_SNPRINTF) || defined(SNPRINTF_RET_BROKEN)
 #define snprintf snprintf_unbound
 #define vsnprintf vsnprintf_unbound
 #include <stdarg.h>
 int snprintf (char *str, size_t count, const char *fmt, ...);
 int vsnprintf (char *str, size_t count, const char *fmt, va_list arg);
-#endif /* HAVE_SNPRINTF */
-
+#endif /* HAVE_SNPRINTF or SNPRINTF_RET_BROKEN */
 
 #ifndef HAVE_INET_PTON
 #define inet_pton inet_pton_unbound
@@ -952,6 +1045,16 @@ int memcmp(const void *x, const void *y, size_t n);
 char *ctime_r(const time_t *timep, char *buf);
 #endif
 
+#ifndef HAVE_STRSEP
+#define strsep unbound_strsep
+char *strsep(char **stringp, const char *delim);
+#endif
+
+#ifndef HAVE_ISBLANK
+#define isblank unbound_isblank
+int isblank(int c);
+#endif
+
 #if !defined(HAVE_STRPTIME) || !defined(STRPTIME_WORKS)
 #define strptime unbound_strptime
 struct tm;

configure.ac

@@ -10,15 +10,15 @@ sinclude(dnstap/dnstap.m4)
 # must be numbers. ac_defun because of later processing
 m4_define([VERSION_MAJOR],[1])
 m4_define([VERSION_MINOR],[5])
-m4_define([VERSION_MICRO],[5])
+m4_define([VERSION_MICRO],[10])
 AC_INIT(unbound, m4_defn([VERSION_MAJOR]).m4_defn([VERSION_MINOR]).m4_defn([VERSION_MICRO]), unbound-bugs@nlnetlabs.nl, unbound)
 AC_SUBST(UNBOUND_VERSION_MAJOR, [VERSION_MAJOR])
 AC_SUBST(UNBOUND_VERSION_MINOR, [VERSION_MINOR])
 AC_SUBST(UNBOUND_VERSION_MICRO, [VERSION_MICRO])
 
-LIBUNBOUND_CURRENT=5
-LIBUNBOUND_REVISION=8
-LIBUNBOUND_AGE=3
+LIBUNBOUND_CURRENT=6
+LIBUNBOUND_REVISION=2
+LIBUNBOUND_AGE=4
 # 1.0.0 had 0:12:0
 # 1.0.1 had 0:13:0
 # 1.0.2 had 0:14:0
@@ -62,6 +62,11 @@ LIBUNBOUND_AGE=3
 # 1.5.3 had 5:6:3
 # 1.5.4 had 5:7:3
 # 1.5.5 had 5:8:3
+# 1.5.6 had 5:9:3
+# 1.5.7 had 5:10:3
+# 1.5.8 had 6:0:4 # adds ub_ctx_set_stub
+# 1.5.9 had 6:1:4
+# 1.5.10 had 6:2:4
 
 #   Current  -- the number of the binary API that we're implementing
 #   Revision -- which iteration of the implementation of the binary
@@ -103,7 +108,7 @@ esac
 # are we on MinGW?
 if uname -s 2>&1 | grep MINGW32 >/dev/null; then on_mingw="yes"
 else 
-	if echo $target | grep mingw32 >/dev/null; then on_mingw="yes"
+	if echo $host $target | grep mingw32 >/dev/null; then on_mingw="yes"
 	else on_mingw="no"; fi
 fi
 
@@ -113,7 +118,7 @@ fi
 if test $on_mingw = "no"; then
   ub_conf_file=`eval echo "${sysconfdir}/unbound/unbound.conf"`
 else
-  ub_conf_file="C:\\Program Files\\Unbound\\service.conf"
+  ub_conf_file="C:\\Program Files (x86)\\Unbound\\service.conf"
 fi
 AC_ARG_WITH([conf_file],
         AC_HELP_STRING([--with-conf-file=path], 
@@ -183,7 +188,7 @@ AC_ARG_WITH(rootkey-file,
 if test $on_mingw = no; then
     UNBOUND_ROOTKEY_FILE="$UNBOUND_RUN_DIR/root.key"
 else
-    UNBOUND_ROOTKEY_FILE="C:\\Program Files\\Unbound\\root.key"
+    UNBOUND_ROOTKEY_FILE="C:\\Program Files (x86)\\Unbound\\root.key"
 fi
 )
 AC_SUBST(UNBOUND_ROOTKEY_FILE)
@@ -197,7 +202,7 @@ AC_ARG_WITH(rootcert-file,
 if test $on_mingw = no; then
     UNBOUND_ROOTCERT_FILE="$UNBOUND_RUN_DIR/icannbundle.pem"
 else
-    UNBOUND_ROOTCERT_FILE="C:\\Program Files\\Unbound\\icannbundle.pem"
+    UNBOUND_ROOTCERT_FILE="C:\\Program Files (x86)\\Unbound\\icannbundle.pem"
 fi
 )
 AC_SUBST(UNBOUND_ROOTCERT_FILE)
@@ -254,6 +259,29 @@ AC_C_INLINE
 ACX_CHECK_FORMAT_ATTRIBUTE
 ACX_CHECK_UNUSED_ATTRIBUTE
 
+AC_DEFUN([CHECK_WEAK_ATTRIBUTE],
+[AC_REQUIRE([AC_PROG_CC])
+AC_MSG_CHECKING(whether the C compiler (${CC-cc}) accepts the "weak" attribute)
+AC_CACHE_VAL(ac_cv_c_weak_attribute,
+[ac_cv_c_weak_attribute=no
+AC_TRY_COMPILE(
+[ #include <stdio.h>
+__attribute__((weak)) void f(int x) { printf("%d", x); }
+], [
+   f(1);
+],
+[ac_cv_c_weak_attribute="yes"],
+[ac_cv_c_weak_attribute="no"])
+])
+
+AC_MSG_RESULT($ac_cv_c_weak_attribute)
+if test $ac_cv_c_weak_attribute = yes; then
+  AC_DEFINE(HAVE_ATTR_WEAK, 1, [Whether the C compiler accepts the "weak" attribute])
+fi
+])dnl End of CHECK_WEAK_ATTRIBUTE
+
+CHECK_WEAK_ATTRIBUTE
+
 if test "$srcdir" != "."; then
 	CPPFLAGS="$CPPFLAGS -I$srcdir"
 fi
@@ -274,7 +302,7 @@ AC_CHECK_TOOL(STRIP, strip)
 ACX_LIBTOOL_C_ONLY
 
 # Checks for header files.
-AC_CHECK_HEADERS([stdarg.h stdbool.h netinet/in.h sys/param.h sys/socket.h sys/un.h sys/uio.h sys/resource.h arpa/inet.h syslog.h netdb.h sys/wait.h pwd.h glob.h grp.h login_cap.h winsock2.h ws2tcpip.h endian.h],,, [AC_INCLUDES_DEFAULT])
+AC_CHECK_HEADERS([stdarg.h stdbool.h netinet/in.h netinet/tcp.h sys/param.h sys/socket.h sys/un.h sys/uio.h sys/resource.h arpa/inet.h syslog.h netdb.h sys/wait.h pwd.h glob.h grp.h login_cap.h winsock2.h ws2tcpip.h endian.h],,, [AC_INCLUDES_DEFAULT])
 
 # check for types.  
 # Using own tests for int64* because autoconf builtin only give 32bit.
@@ -415,6 +443,36 @@ if test x_$withval != x_no; then
 		CC="$PTHREAD_CC"
 		ub_have_pthreads=yes
 		AC_CHECK_TYPES([pthread_spinlock_t, pthread_rwlock_t],,,[#include <pthread.h>])
+
+		if echo "$CFLAGS" | $GREP -e "-pthread" >/dev/null; then
+		AC_MSG_CHECKING([if -pthread unused during linking])
+		# catch clang warning 'argument unused during compilation'
+		AC_LANG_CONFTEST([AC_LANG_SOURCE(AC_INCLUDES_DEFAULT
+[[
+int main(void) {return 0;}
+]])])
+		pthread_unused="yes"
+		# first compile
+		echo "$CC $CFLAGS -c conftest.c -o conftest.o" >&AS_MESSAGE_LOG_FD
+		$CC $CFLAGS -c conftest.c -o conftest.o 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
+		if test $? = 0; then 
+			# then link
+			echo "$CC $CFLAGS -Werror $LDFLAGS $LIBS -o conftest contest.o" >&AS_MESSAGE_LOG_FD
+			$CC $CFLAGS -Werror $LDFLAGS $LIBS -o conftest conftest.o 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
+			if test $? -ne 0; then
+				AC_MSG_RESULT(yes)
+				CFLAGS=`echo "$CFLAGS" | sed -e 's/-pthread//'`
+				PTHREAD_CFLAGS_ONLY="-pthread"
+				AC_SUBST(PTHREAD_CFLAGS_ONLY)
+			else
+				AC_MSG_RESULT(no)
+			fi
+		else
+			AC_MSG_RESULT(no)
+		fi # endif cc successful
+		rm -f conftest conftest.c conftest.o
+		fi # endif -pthread in CFLAGS
+
 		])
 fi
 
@@ -561,13 +619,49 @@ AC_ARG_WITH([nss], AC_HELP_STRING([--with-nss=path],
 		CPPFLAGS="-I/usr/include/nspr4 $CPPFLAGS"
 	fi
         LIBS="$LIBS -lnss3 -lnspr4"
+	SSLLIB=""
+	]
+)
+
+# libnettle
+USE_NETTLE="no"
+AC_ARG_WITH([nettle], AC_HELP_STRING([--with-nettle=path],
+	[use libnettle as crypto library, installed at path.]),
+	[
+	USE_NETTLE="yes"
+	AC_DEFINE(HAVE_NETTLE, 1, [Use libnettle for crypto])
+	AC_CHECK_HEADERS([nettle/dsa-compat.h],,, [AC_INCLUDES_DEFAULT])
+	if test "$withval" != "" -a "$withval" != "yes"; then
+		CPPFLAGS="$CPPFLAGS -I$withval/include/nettle"
+		LDFLAGS="$LDFLAGS -L$withval/lib"
+		ACX_RUNTIME_PATH_ADD([$withval/lib])
+	else
+		CPPFLAGS="$CPPFLAGS -I/usr/include/nettle"
+	fi
+        LIBS="$LIBS -lhogweed -lnettle -lgmp"
+	SSLLIB=""
 	]
 )
 
 # openssl
-if test $USE_NSS = "no"; then
+if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
 ACX_WITH_SSL
 ACX_LIB_SSL
+SSLLIB="-lssl"
+
+# check if -lcrypt32 is needed because CAPIENG needs that. (on windows)
+BAKLIBS="$LIBS"
+LIBS="-lssl $LIBS"
+AC_MSG_CHECKING([if libssl needs -lcrypt32])
+AC_TRY_LINK_FUNC([HMAC_Update], [
+	AC_MSG_RESULT([no])
+	LIBS="$BAKLIBS"
+], [
+	AC_MSG_RESULT([yes])
+	LIBS="$BAKLIBS"
+	LIBS="$LIBS -lcrypt32"
+])
+
 AC_MSG_CHECKING([for LibreSSL])
 if grep VERSION_TEXT $ssldir/include/openssl/opensslv.h | grep "LibreSSL" >/dev/null; then
 	AC_MSG_RESULT([yes])
@@ -578,9 +672,15 @@ if grep VERSION_TEXT $ssldir/include/openssl/opensslv.h | grep "LibreSSL" >/dev/
 else
 	AC_MSG_RESULT([no])
 fi
-AC_CHECK_HEADERS([openssl/conf.h],,, [AC_INCLUDES_DEFAULT])
-AC_CHECK_HEADERS([openssl/engine.h],,, [AC_INCLUDES_DEFAULT])
-AC_CHECK_FUNCS([OPENSSL_config EVP_sha1 EVP_sha256 EVP_sha512 FIPS_mode])
+AC_CHECK_HEADERS([openssl/conf.h openssl/engine.h openssl/bn.h openssl/dh.h openssl/dsa.h openssl/rsa.h],,, [AC_INCLUDES_DEFAULT])
+AC_CHECK_FUNCS([OPENSSL_config EVP_sha1 EVP_sha256 EVP_sha512 FIPS_mode EVP_MD_CTX_new OpenSSL_add_all_digests OPENSSL_init_crypto EVP_cleanup ERR_load_crypto_strings CRYPTO_cleanup_all_ex_data ERR_free_strings RAND_cleanup])
+
+# these check_funcs need -lssl
+BAKLIBS="$LIBS"
+LIBS="-lssl $LIBS"
+AC_CHECK_FUNCS([OPENSSL_init_ssl])
+LIBS="$BAKLIBS"
+
 AC_CHECK_DECLS([SSL_COMP_get_compression_methods,sk_SSL_COMP_pop_free,SSL_CTX_set_ecdh_auto], [], [], [
 AC_INCLUDES_DEFAULT
 #ifdef HAVE_OPENSSL_ERR_H
@@ -602,6 +702,7 @@ AC_INCLUDES_DEFAULT
 #include <openssl/evp.h>
 ])
 fi
+AC_SUBST(SSLLIB)
 
 
 AC_ARG_ENABLE(sha2, AC_HELP_STRING([--disable-sha2], [Disable SHA256 and SHA512 RRSIG support]))
@@ -713,7 +814,7 @@ AC_MSG_RESULT($ac_cv_c_gost_works)
 
 AC_ARG_ENABLE(gost, AC_HELP_STRING([--disable-gost], [Disable GOST support]))
 use_gost="no"
-if test $USE_NSS = "no"; then
+if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
 case "$enable_gost" in
 	no)
 	;;
@@ -727,7 +828,7 @@ case "$enable_gost" in
 	fi
 	;;
 esac
-fi dnl !USE_NSS
+fi dnl !USE_NSS && !USE_NETTLE
 
 AC_ARG_ENABLE(ecdsa, AC_HELP_STRING([--disable-ecdsa], [Disable ECDSA support]))
 use_ecdsa="no"
@@ -735,7 +836,7 @@ case "$enable_ecdsa" in
     no)
       ;;
     *)
-      if test $USE_NSS = "no"; then
+      if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
 	      AC_CHECK_FUNC(ECDSA_sign, [], [AC_MSG_ERROR([OpenSSL does not support ECDSA: please upgrade or rerun with --disable-ecdsa])])
 	      AC_CHECK_FUNC(SHA384_Init, [], [AC_MSG_ERROR([OpenSSL does not support SHA384: please upgrade or rerun with --disable-ecdsa])])
 	      AC_CHECK_DECLS([NID_X9_62_prime256v1, NID_secp384r1], [], [AC_MSG_ERROR([OpenSSL does not support the ECDSA curves: please upgrade or rerun with --disable-ecdsa])], [AC_INCLUDES_DEFAULT
@@ -761,16 +862,67 @@ case "$enable_ecdsa" in
       ;;
 esac
 
-AC_ARG_ENABLE(event-api, AC_HELP_STRING([--enable-event-api], [Enable (experimental) libevent-based libunbound API installed to unbound-event.h]))
-use_unbound_event="no"
+AC_ARG_ENABLE(dsa, AC_HELP_STRING([--disable-dsa], [Disable DSA support]))
+use_dsa="no"
+case "$enable_ecdsa" in
+    no)
+      ;;
+    *)
+      # detect if DSA is supported, and turn it off if not.
+      AC_CHECK_FUNC(EVP_dss1, [
+      AC_DEFINE_UNQUOTED([USE_DSA], [1], [Define this to enable DSA support.])
+      ], [if test "x$enable_dsa" = "xyes"; then AC_MSG_ERROR([OpenSSL does not support DSA and you used --enable-dsa.])
+               fi ])
+      ;;
+esac
+
+
+AC_ARG_ENABLE(event-api, AC_HELP_STRING([--enable-event-api], [Enable (experimental) pluggable event base libunbound API installed to unbound-event.h]))
 case "$enable_event_api" in
     yes)
-      use_unbound_event="yes"
+      AC_SUBST(UNBOUND_EVENT_INSTALL, [unbound-event-install])
+      AC_SUBST(UNBOUND_EVENT_UNINSTALL, [unbound-event-uninstall])
       ;;
     *)
       ;;
 esac
 
+AC_ARG_ENABLE(tfo-client, AC_HELP_STRING([--enable-tfo-client], [Enable TCP Fast Open for client mode]))
+case "$enable_tfo_client" in
+	yes)
+		case `uname` in
+			Linux) AC_CHECK_DECL([MSG_FASTOPEN], [AC_MSG_WARN([Check the platform specific TFO kernel parameters are correctly configured to support client mode TFO])],
+			                     [AC_MSG_ERROR([TCP Fast Open is not available for client mode: please rerun without --enable-tfo-client])], 
+			                     [AC_INCLUDES_DEFAULT 
+#include <netinet/tcp.h>
+])
+					AC_DEFINE_UNQUOTED([USE_MSG_FASTOPEN], [1], [Define this to enable client TCP Fast Open.])
+			  ;;
+			Darwin) AC_CHECK_DECL([CONNECT_RESUME_ON_READ_WRITE], [AC_MSG_WARN([Check the platform specific TFO kernel parameters are correctly configured to support client mode TFO])], 
+			                      [AC_MSG_ERROR([TCP Fast Open is not available for client mode: please rerun without --enable-tfo-client])], 
+			                      [AC_INCLUDES_DEFAULT
+#include <sys/socket.h>
+])
+					AC_DEFINE_UNQUOTED([USE_OSX_MSG_FASTOPEN], [1], [Define this to enable client TCP Fast Open.])
+			  ;;
+		esac
+	;;
+	no|*)
+		;;
+esac
+
+AC_ARG_ENABLE(tfo-server, AC_HELP_STRING([--enable-tfo-server], [Enable TCP Fast Open for server mode]))
+case "$enable_tfo_server" in
+	yes)
+	      AC_CHECK_DECL([TCP_FASTOPEN], [AC_MSG_WARN([Check the platform specific TFO kernel parameters are correctly configured to support server mode TFO])], [AC_MSG_ERROR([TCP Fast Open is not available for server mode: please rerun without --enable-tfo-server])], [AC_INCLUDES_DEFAULT
+#include <netinet/tcp.h>
+	      ])
+		AC_DEFINE_UNQUOTED([USE_TCP_FASTOPEN], [1], [Define this to enable server TCP Fast Open.])
+		;;
+	no|*)
+		;;
+esac
+
 # check for libevent
 AC_ARG_WITH(libevent, AC_HELP_STRING([--with-libevent=pathname],
     [use libevent (will check /usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr  or you can specify an explicit path). Slower, but allows use of large outgoing port ranges.]),
@@ -851,10 +1003,6 @@ large outgoing port ranges.  ])
 	if test -n "$BAK_LDFLAGS_SET"; then
 		LDFLAGS="$BAK_LDFLAGS"
 	fi
-        if test "$use_unbound_event" = "yes"; then
-		AC_SUBST(UNBOUND_EVENT_INSTALL, [unbound-event-install])
-		AC_SUBST(UNBOUND_EVENT_UNINSTALL, [unbound-event-uninstall])
-	fi
 else
 	AC_DEFINE(USE_MINI_EVENT, 1, [Define if you want to use internal select based events])
 fi
@@ -881,6 +1029,9 @@ if test x_$found_libexpat != x_yes; then
 	AC_ERROR([Could not find libexpat, expat.h])
 fi
 AC_CHECK_HEADERS([expat.h],,, [AC_INCLUDES_DEFAULT])
+AC_CHECK_DECLS([XML_StopParser], [], [], [AC_INCLUDES_DEFAULT
+#include <expat.h>
+])
 
 # set static linking if requested
 AC_SUBST(staticexe)
@@ -892,10 +1043,8 @@ if test x_$enable_static_exe = x_yes; then
 	staticexe="-static"
 	if test "$on_mingw" = yes; then
 		staticexe="-all-static"
-		# for static crosscompile, include gdi32 and zlib here.
-		if test "`uname`" = "Linux"; then
-			LIBS="$LIBS -lgdi32 -lz"
-		fi
+		# for static compile, include gdi32 and zlib here.
+		LIBS="$LIBS -lgdi32 -lz"
 	fi
 fi
 
@@ -972,6 +1121,10 @@ AC_INCLUDES_DEFAULT
 #include <netinet/in.h>
 #endif
 
+#ifdef HAVE_NETINET_TCP_H
+#include <netinet/tcp.h>
+#endif
+
 #ifdef HAVE_ARPA_INET_H
 #include <arpa/inet.h>
 #endif
@@ -985,10 +1138,23 @@ AC_INCLUDES_DEFAULT
 #endif
 ])
 AC_SEARCH_LIBS([setusercontext], [util])
-AC_CHECK_FUNCS([tzset sigprocmask fcntl getpwnam getrlimit setrlimit setsid sbrk chroot kill chown sleep usleep random srandom recvmsg sendmsg writev socketpair glob initgroups strftime localtime_r setusercontext _beginthreadex endservent endprotoent])
+AC_CHECK_FUNCS([tzset sigprocmask fcntl getpwnam endpwent getrlimit setrlimit setsid chroot kill chown sleep usleep random srandom recvmsg sendmsg writev socketpair glob initgroups strftime localtime_r setusercontext _beginthreadex endservent endprotoent fsync])
 AC_CHECK_FUNCS([setresuid],,[AC_CHECK_FUNCS([setreuid])])
 AC_CHECK_FUNCS([setresgid],,[AC_CHECK_FUNCS([setregid])])
 
+AC_MSG_CHECKING([for sbrk])
+# catch the warning of deprecated sbrk
+old_cflags="$CFLAGS"
+CFLAGS="$CFLAGS -Werror"
+AC_COMPILE_IFELSE([AC_LANG_SOURCE(AC_INCLUDES_DEFAULT
+[[
+int main(void) { void* cur = sbrk(0); printf("%u\n", (unsigned)(size_t)((char*)cur - (char*)sbrk(0))); return 0; }
+]])], [
+	AC_MSG_RESULT(yes)
+	AC_DEFINE(HAVE_SBRK, 1, [define if you have the sbrk() call])
+    ], [AC_MSG_RESULT(no)])
+CFLAGS="$old_cflags"
+
 # check if setreuid en setregid fail, on MacOSX10.4(darwin8).
 if echo $build_os | grep darwin8 > /dev/null; then
 	AC_DEFINE(DARWIN_BROKEN_SETREUID, 1, [Define this if on macOSX10.4-darwin8 and setreuid and setregid do not work])
@@ -997,10 +1163,25 @@ AC_REPLACE_FUNCS(inet_aton)
 AC_REPLACE_FUNCS(inet_pton)
 AC_REPLACE_FUNCS(inet_ntop)
 AC_REPLACE_FUNCS(snprintf)
+# test if snprintf return the proper length
+if test "x$ac_cv_func_snprintf" = xyes; then
+    if test c${cross_compiling} = cno; then
+	AC_MSG_CHECKING([for correct snprintf return value])
+	AC_RUN_IFELSE([AC_LANG_SOURCE(AC_INCLUDES_DEFAULT
+[[
+int main(void) { return !(snprintf(NULL, 0, "test") == 4); }
+]])], [AC_MSG_RESULT(yes)], [
+		AC_MSG_RESULT(no)
+		AC_DEFINE([SNPRINTF_RET_BROKEN], [], [define if (v)snprintf does not return length needed, (but length used)])
+		AC_LIBOBJ(snprintf)
+	  ])
+    fi
+fi
 AC_REPLACE_FUNCS(strlcat)
 AC_REPLACE_FUNCS(strlcpy)
 AC_REPLACE_FUNCS(memmove)
 AC_REPLACE_FUNCS(gmtime_r)
+AC_REPLACE_FUNCS(isblank)
 dnl without CTIME, ARC4-functions and without reallocarray.
 LIBOBJ_WITHOUT_CTIMEARC4="$LIBOBJS"
 AC_SUBST(LIBOBJ_WITHOUT_CTIMEARC4)
@@ -1050,6 +1231,7 @@ fi
 LIBOBJ_WITHOUT_CTIME="$LIBOBJS"
 AC_SUBST(LIBOBJ_WITHOUT_CTIME)
 AC_REPLACE_FUNCS(ctime_r)
+AC_REPLACE_FUNCS(strsep)
 
 AC_ARG_ENABLE(allsymbols, AC_HELP_STRING([--enable-allsymbols], [export all symbols from libunbound and link binaries to it, smaller install size but libunbound export table is polluted by internal symbols]))
 case "$enable_allsymbols" in
@@ -1102,6 +1284,17 @@ dt_DNSTAP([$UNBOUND_RUN_DIR/dnstap.sock],
     ]
 )
 
+# check for cachedb if requested
+AC_ARG_ENABLE(cachedb, AC_HELP_STRING([--enable-cachedb], [enable cachedb module that can use external cache storage]))
+case "$enable_cachedb" in
+    yes)
+    	AC_DEFINE([USE_CACHEDB], [1], [Define to 1 to use cachedb support])
+    	;;
+    no|*)
+    	# nothing
+    	;;
+esac
+
 AC_MSG_CHECKING([if ${MAKE:-make} supports $< with implicit rule in scope])
 # on openBSD, the implicit rule make $< work.
 # on Solaris, it does not work ($? is changed sources, $^ lists dependencies).
@@ -1208,6 +1401,10 @@ dnl includes
 #include <netinet/in.h>
 #endif
 
+#ifdef HAVE_NETINET_TCP_H
+#include <netinet/tcp.h>
+#endif
+
 #ifdef HAVE_ARPA_INET_H
 #include <arpa/inet.h>
 #endif
@@ -1235,7 +1432,13 @@ AHX_CONFIG_FORMAT_ATTRIBUTE
 AHX_CONFIG_UNUSED_ATTRIBUTE
 AHX_CONFIG_FSEEKO
 AHX_CONFIG_MAXHOSTNAMELEN
-AHX_CONFIG_SNPRINTF(unbound)
+#if !defined(HAVE_SNPRINTF) || defined(SNPRINTF_RET_BROKEN)
+#define snprintf snprintf_unbound
+#define vsnprintf vsnprintf_unbound
+#include <stdarg.h>
+int snprintf (char *str, size_t count, const char *fmt, ...);
+int vsnprintf (char *str, size_t count, const char *fmt, va_list arg);
+#endif /* HAVE_SNPRINTF or SNPRINTF_RET_BROKEN */
 AHX_CONFIG_INET_PTON(unbound)
 AHX_CONFIG_INET_NTOP(unbound)
 AHX_CONFIG_INET_ATON(unbound)
@@ -1258,6 +1461,16 @@ AHX_MEMCMP_BROKEN(unbound)
 char *ctime_r(const time_t *timep, char *buf);
 #endif
 
+#ifndef HAVE_STRSEP
+#define strsep unbound_strsep
+char *strsep(char **stringp, const char *delim);
+#endif
+
+#ifndef HAVE_ISBLANK
+#define isblank unbound_isblank
+int isblank(int c);
+#endif
+
 #if !defined(HAVE_STRPTIME) || !defined(STRPTIME_WORKS)
 #define strptime unbound_strptime
 struct tm;
@@ -1366,6 +1579,6 @@ dnl if this is a distro tarball, that was already done by makedist.sh
 AC_SUBST(version, [VERSION_MAJOR.VERSION_MINOR.VERSION_MICRO])
 AC_SUBST(date, [`date +'%b %e, %Y'`])
 
-AC_CONFIG_FILES([Makefile doc/example.conf doc/libunbound.3 doc/unbound.8 doc/unbound-anchor.8 doc/unbound-checkconf.8 doc/unbound.conf.5 doc/unbound-control.8 doc/unbound-host.1 smallapp/unbound-control-setup.sh dnstap/dnstap_config.h])
+AC_CONFIG_FILES([Makefile doc/example.conf doc/libunbound.3 doc/unbound.8 doc/unbound-anchor.8 doc/unbound-checkconf.8 doc/unbound.conf.5 doc/unbound-control.8 doc/unbound-host.1 smallapp/unbound-control-setup.sh dnstap/dnstap_config.h contrib/libunbound.pc])
 AC_CONFIG_HEADER([config.h])
 AC_OUTPUT

contrib/aaaa-filter-iterator.patch

@@ -1,8 +1,10 @@
---- unbound-1.4.17.orig/doc/unbound.conf.5.in
-+++ unbound-1.4.17/doc/unbound.conf.5.in
-@@ -519,6 +519,13 @@ authority servers and checks if the repl
- Disabled by default. 
- This feature is an experimental implementation of draft dns\-0x20.
+Index: trunk/doc/unbound.conf.5.in
+===================================================================
+--- trunk/doc/unbound.conf.5.in	(revision 3587)
++++ trunk/doc/unbound.conf.5.in	(working copy)
+@@ -593,6 +593,13 @@
+ possible. Best effort approach, full QNAME and original QTYPE will be sent when
+ upstream replies with a RCODE other than NOERROR. Default is off.
  .TP
 +.B aaaa\-filter: \fI<yes or no>
 +Activate behavior similar to BIND's AAAA-filter.
@@ -13,20 +15,12 @@
 +.TP
  .B private\-address: \fI<IP address or subnet>
  Give IPv4 of IPv6 addresses or classless subnets. These are addresses
- on your private network, and are not allowed to be returned for public
---- unbound-1.4.17.orig/util/config_file.c
-+++ unbound-1.4.17/util/config_file.c
-@@ -160,6 +160,7 @@ config_create(void)
- 	cfg->harden_below_nxdomain = 0;
- 	cfg->harden_referral_path = 0;
- 	cfg->use_caps_bits_for_id = 0;
-+	cfg->aaaa_filter = 0; /* ASN: default is disabled */
- 	cfg->private_address = NULL;
- 	cfg->private_domain = NULL;
- 	cfg->unwanted_threshold = 0;
---- unbound-1.4.17.orig/iterator/iter_scrub.c
-+++ unbound-1.4.17/iterator/iter_scrub.c
-@@ -580,6 +580,32 @@ static int sanitize_nsec_is_overreach(st
+ on your private network, and are not allowed to be returned for
+Index: trunk/iterator/iter_scrub.c
+===================================================================
+--- trunk/iterator/iter_scrub.c	(revision 3587)
++++ trunk/iterator/iter_scrub.c	(working copy)
+@@ -617,6 +617,32 @@
  }
  
  /**
@@ -38,7 +32,7 @@
 + */
 +static int
 +asn_lookup_a_record_from_cache(struct query_info* qinfo,
-+	struct module_env* env, struct iter_env* ie)
++	struct module_env* env, struct iter_env* ATTR_UNUSED(ie))
 +{
 +	struct ub_packed_rrset_key* akey;
 +
@@ -59,7 +53,7 @@
   * Given a response event, remove suspect RRsets from the response.
   * "Suspect" rrsets are potentially poison. Note that this routine expects
   * the response to be in a "normalized" state -- that is, all "irrelevant"
-@@ -598,6 +625,7 @@ scrub_sanitize(ldns_buffer* pkt, struct
+@@ -635,6 +661,7 @@
  	struct query_info* qinfo, uint8_t* zonename, struct module_env* env,
  	struct iter_env* ie)
  {
@@ -67,7 +61,7 @@
  	int del_addi = 0; /* if additional-holding rrsets are deleted, we
  		do not trust the normalized additional-A-AAAA any more */
  	struct rrset_parse* rrset, *prev;
-@@ -633,6 +661,13 @@ scrub_sanitize(ldns_buffer* pkt, struct
+@@ -670,6 +697,13 @@
  		rrset = rrset->rrset_all_next;
  	}
  
@@ -81,7 +75,7 @@
  	/* At this point, we brutally remove ALL rrsets that aren't 
  	 * children of the originating zone. The idea here is that, 
  	 * as far as we know, the server that we contacted is ONLY 
-@@ -644,6 +679,24 @@ scrub_sanitize(ldns_buffer* pkt, struct
+@@ -681,6 +715,24 @@
  	rrset = msg->rrset_first;
  	while(rrset) {
  
@@ -105,10 +99,24 @@
 +
  		/* remove private addresses */
  		if( (rrset->type == LDNS_RR_TYPE_A || 
- 			rrset->type == LDNS_RR_TYPE_AAAA) &&
---- unbound-1.4.17.orig/iterator/iterator.c
-+++ unbound-1.4.17/iterator/iterator.c
-@@ -1579,6 +1579,53 @@ processDSNSFind(struct module_qstate* qs
+ 			rrset->type == LDNS_RR_TYPE_AAAA)) {
+Index: trunk/iterator/iter_utils.c
+===================================================================
+--- trunk/iterator/iter_utils.c	(revision 3587)
++++ trunk/iterator/iter_utils.c	(working copy)
+@@ -175,6 +175,7 @@
+ 	}
+ 	iter_env->supports_ipv6 = cfg->do_ip6;
+ 	iter_env->supports_ipv4 = cfg->do_ip4;
++	iter_env->aaaa_filter = cfg->aaaa_filter;
+ 	return 1;
+ }
+ 
+Index: trunk/iterator/iterator.c
+===================================================================
+--- trunk/iterator/iterator.c	(revision 3587)
++++ trunk/iterator/iterator.c	(working copy)
+@@ -1776,6 +1776,53 @@
  
  	return 0;
  }
@@ -128,7 +136,7 @@
 + */
 +static int
 +asn_processQueryAAAA(struct module_qstate* qstate, struct iter_qstate* iq,
-+	struct iter_env* ie, int id)
++	struct iter_env* ATTR_UNUSED(ie), int id)
 +{
 +	struct module_qstate* subq = NULL;
 +
@@ -162,7 +170,7 @@
  	
  /** 
   * This is the request event state where the request will be sent to one of
-@@ -1626,6 +1673,13 @@ processQueryTargets(struct module_qstate
+@@ -1823,6 +1870,13 @@
  		return error_response(qstate, id, LDNS_RCODE_SERVFAIL);
  	}
  	
@@ -176,7 +184,7 @@
  	/* Make sure we have a delegation point, otherwise priming failed
  	 * or another failure occurred */
  	if(!iq->dp) {
-@@ -2568,6 +2622,62 @@ processFinished(struct module_qstate* qs
+@@ -2922,6 +2976,61 @@
  	return 0;
  }
  
@@ -195,9 +203,8 @@
 +asn_processAAAAResponse(struct module_qstate* qstate, int id,
 +	struct module_qstate* super)
 +{
-+	struct iter_qstate* iq = (struct iter_qstate*)qstate->minfo[id];
++	/*struct iter_qstate* iq = (struct iter_qstate*)qstate->minfo[id];*/
 +	struct iter_qstate* super_iq = (struct iter_qstate*)super->minfo[id];
-+	struct ub_packed_rrset_key* rrset;
 +	struct delegpt_ns* dpns = NULL;
 +	int error = (qstate->return_rcode != LDNS_RCODE_NOERROR);
 +
@@ -239,7 +246,7 @@
  /*
   * Return priming query results to interestes super querystates.
   * 
-@@ -2587,6 +2697,9 @@ iter_inform_super(struct module_qstate*
+@@ -2941,6 +3050,9 @@
  	else if(super->qinfo.qtype == LDNS_RR_TYPE_DS && ((struct iter_qstate*)
  		super->minfo[id])->state == DSNS_FIND_STATE)
  		processDSNSResponse(qstate, id, super);
@@ -249,7 +256,7 @@
  	else if(qstate->return_rcode != LDNS_RCODE_NOERROR)
  		error_supers(qstate, id, super);
  	else if(qstate->is_priming)
-@@ -2624,6 +2737,9 @@ iter_handle(struct module_qstate* qstate
+@@ -2978,6 +3090,9 @@
  			case INIT_REQUEST_3_STATE:
  				cont = processInitRequest3(qstate, iq, id);
  				break;
@@ -259,7 +266,7 @@
  			case QUERYTARGETS_STATE:
  				cont = processQueryTargets(qstate, iq, ie, id);
  				break;
-@@ -2863,6 +2979,8 @@ iter_state_to_string(enum iter_state sta
+@@ -3270,6 +3385,8 @@
  		return "INIT REQUEST STATE (stage 2)";
  	case INIT_REQUEST_3_STATE:
  		return "INIT REQUEST STATE (stage 3)";
@@ -268,7 +275,7 @@
  	case QUERYTARGETS_STATE :
  		return "QUERY TARGETS STATE";
  	case PRIME_RESP_STATE :
-@@ -2887,6 +3005,7 @@ iter_state_is_responsestate(enum iter_st
+@@ -3294,6 +3411,7 @@
  		case INIT_REQUEST_STATE :
  		case INIT_REQUEST_2_STATE :
  		case INIT_REQUEST_3_STATE :
@@ -276,29 +283,21 @@
  		case QUERYTARGETS_STATE :
  		case COLLECT_CLASS_STATE :
  			return 0;
---- unbound-1.4.17.orig/iterator/iter_utils.c
-+++ unbound-1.4.17/iterator/iter_utils.c
-@@ -128,6 +128,7 @@ iter_apply_cfg(struct iter_env* iter_env
- 	}
- 	iter_env->supports_ipv6 = cfg->do_ip6;
- 	iter_env->supports_ipv4 = cfg->do_ip4;
-+	iter_env->aaaa_filter = cfg->aaaa_filter;
- 	return 1;
- }
- 
---- unbound-1.4.17.orig/iterator/iterator.h
-+++ unbound-1.4.17/iterator/iterator.h
-@@ -110,6 +110,9 @@ struct iter_env {
- 	 * array of max_dependency_depth+1 size.
+Index: trunk/iterator/iterator.h
+===================================================================
+--- trunk/iterator/iterator.h	(revision 3587)
++++ trunk/iterator/iterator.h	(working copy)
+@@ -113,6 +113,9 @@
  	 */
  	int* target_fetch_policy;
-+
+ 
 +	/** ASN: AAAA-filter flag */
 +	int aaaa_filter;
++
+ 	/** ip6.arpa dname in wireformat, used for qname-minimisation */
+ 	uint8_t* ip6arpa_dname;
  };
- 
- /**
-@@ -135,6 +138,14 @@ enum iter_state {
+@@ -163,6 +166,14 @@
  	INIT_REQUEST_3_STATE,
  
  	/**
@@ -313,7 +312,7 @@
  	 * Each time a delegation point changes for a given query or a 
  	 * query times out and/or wakes up, this state is (re)visited. 
  	 * This state is reponsible for iterating through a list of 
-@@ -309,6 +320,13 @@ struct iter_qstate {
+@@ -346,6 +357,13 @@
  	 */
  	int refetch_glue;
  
@@ -326,31 +325,61 @@
 +
  	/** list of pending queries to authoritative servers. */
  	struct outbound_list outlist;
- };
---- unbound-1.4.17.orig/util/config_file.h
-+++ unbound-1.4.17/util/config_file.h
-@@ -169,6 +169,8 @@ struct config_file {
- 	int harden_referral_path;
+ 
+Index: trunk/pythonmod/interface.i
+===================================================================
+--- trunk/pythonmod/interface.i	(revision 3587)
++++ trunk/pythonmod/interface.i	(working copy)
+@@ -632,6 +632,7 @@
+    int harden_dnssec_stripped;
+    int harden_referral_path;
+    int use_caps_bits_for_id;
++   int aaaa_filter; /* ASN */
+    struct config_strlist* private_address;
+    struct config_strlist* private_domain;
+    size_t unwanted_threshold;
+Index: trunk/util/config_file.c
+===================================================================
+--- trunk/util/config_file.c	(revision 3587)
++++ trunk/util/config_file.c	(working copy)
+@@ -176,6 +176,7 @@
+ 	cfg->harden_referral_path = 0;
+ 	cfg->harden_algo_downgrade = 0;
+ 	cfg->use_caps_bits_for_id = 0;
++	cfg->aaaa_filter = 0; /* ASN: default is disabled */
+ 	cfg->caps_whitelist = NULL;
+ 	cfg->private_address = NULL;
+ 	cfg->private_domain = NULL;
+Index: trunk/util/config_file.h
+===================================================================
+--- trunk/util/config_file.h	(revision 3587)
++++ trunk/util/config_file.h	(working copy)
+@@ -179,6 +179,8 @@
+ 	int harden_algo_downgrade;
  	/** use 0x20 bits in query as random ID bits */
  	int use_caps_bits_for_id;
 +	/** ASN: enable AAAA filter? */
 +	int aaaa_filter;
+ 	/** 0x20 whitelist, domains that do not use capsforid */
+ 	struct config_strlist* caps_whitelist;
  	/** strip away these private addrs from answers, no DNS Rebinding */
- 	struct config_strlist* private_address;
- 	/** allow domain (and subdomains) to use private address space */
---- unbound-1.4.17.orig/util/configlexer.lex
-+++ unbound-1.4.17/util/configlexer.lex
-@@ -177,6 +177,7 @@ harden-below-nxdomain{COLON}	{ YDVAR(1,
- harden-referral-path{COLON}	{ YDVAR(1, VAR_HARDEN_REFERRAL_PATH) }
+Index: trunk/util/configlexer.lex
+===================================================================
+--- trunk/util/configlexer.lex	(revision 3587)
++++ trunk/util/configlexer.lex	(working copy)
+@@ -267,6 +267,7 @@
  use-caps-for-id{COLON}		{ YDVAR(1, VAR_USE_CAPS_FOR_ID) }
+ caps-whitelist{COLON}		{ YDVAR(1, VAR_CAPS_WHITELIST) }
  unwanted-reply-threshold{COLON}	{ YDVAR(1, VAR_UNWANTED_REPLY_THRESHOLD) }
 +aaaa-filter{COLON}		{ YDVAR(1, VAR_AAAA_FILTER) }
  private-address{COLON}		{ YDVAR(1, VAR_PRIVATE_ADDRESS) }
  private-domain{COLON}		{ YDVAR(1, VAR_PRIVATE_DOMAIN) }
  prefetch-key{COLON}		{ YDVAR(1, VAR_PREFETCH_KEY) }
---- unbound-1.4.17.orig/util/configparser.y
-+++ unbound-1.4.17/util/configparser.y
-@@ -92,6 +92,7 @@ extern struct config_parser_state* cfg_p
+Index: trunk/util/configparser.y
+===================================================================
+--- trunk/util/configparser.y	(revision 3587)
++++ trunk/util/configparser.y	(working copy)
+@@ -92,6 +92,7 @@
  %token VAR_STATISTICS_CUMULATIVE VAR_OUTGOING_PORT_PERMIT 
  %token VAR_OUTGOING_PORT_AVOID VAR_DLV_ANCHOR_FILE VAR_DLV_ANCHOR
  %token VAR_NEG_CACHE_SIZE VAR_HARDEN_REFERRAL_PATH VAR_PRIVATE_ADDRESS
@@ -358,7 +387,7 @@
  %token VAR_PRIVATE_DOMAIN VAR_REMOTE_CONTROL VAR_CONTROL_ENABLE
  %token VAR_CONTROL_INTERFACE VAR_CONTROL_PORT VAR_SERVER_KEY_FILE
  %token VAR_SERVER_CERT_FILE VAR_CONTROL_KEY_FILE VAR_CONTROL_CERT_FILE
-@@ -151,6 +152,7 @@ content_server: server_num_threads | ser
+@@ -169,6 +170,7 @@
  	server_dlv_anchor_file | server_dlv_anchor | server_neg_cache_size |
  	server_harden_referral_path | server_private_address |
  	server_private_domain | server_extended_statistics | 
@@ -366,8 +395,8 @@
  	server_local_data_ptr | server_jostle_timeout | 
  	server_unwanted_reply_threshold | server_log_time_ascii | 
  	server_domain_insecure | server_val_sig_skew_min | 
-@@ -802,6 +803,15 @@ server_use_caps_for_id: VAR_USE_CAPS_FOR
- 		free($2);
+@@ -893,6 +895,15 @@
+ 			yyerror("out of memory");
  	}
  	;
 +server_aaaa_filter: VAR_AAAA_FILTER STRING_ARG
@@ -382,13 +411,3 @@
  server_private_address: VAR_PRIVATE_ADDRESS STRING_ARG
  	{
  		OUTYY(("P(server_private_address:%s)\n", $2));
---- unbound-1.4.17.orig/pythonmod/interface.i
-+++ unbound-1.4.17/pythonmod/interface.i
-@@ -626,6 +626,7 @@ struct config_file {
-    int harden_dnssec_stripped;
-    int harden_referral_path;
-    int use_caps_bits_for_id;
-+   int aaaa_filter; /* ASN */
-    struct config_strlist* private_address;
-    struct config_strlist* private_domain;
-    size_t unwanted_threshold;

contrib/create_unbound_ad_servers.cmd

@@ -1,33 +1,33 @@
-@Echo off
-rem Convert the Yoyo.org anti-ad server listing
-rem into an unbound dns spoof redirection list.
-rem Written by Y.Voinov (c) 2014
-
-rem Note: Wget required!
-
-rem Variables
-set prefix="C:\Program Files (x86)"
-set dst_dir=%prefix%\Unbound
-set work_dir=%TEMP%
-set list_addr="http://pgl.yoyo.org/adservers/serverlist.php?hostformat=nohtml&showintro=1&startdate%5Bday%5D=&startdate%5Bmonth%5D=&startdate%5Byear%5D="
-
-rem Check Wget installed
-for /f "delims=" %%a in ('where wget') do @set wget=%%a
-if /I "%wget%"=="" echo Wget not found. If installed, add path to PATH environment variable. & exit 1
-echo Wget found: %wget%
-
-"%wget%" -O %work_dir%\yoyo_ad_servers %list_addr%
-
-del /Q /F /S %dst_dir%\unbound_ad_servers
-
-for /F "eol=; tokens=*" %%a in (%work_dir%\yoyo_ad_servers) do (
-echo local-zone: %%a redirect>>%dst_dir%\unbound_ad_servers
-echo local-data: "%%a A 127.0.0.1">>%dst_dir%\unbound_ad_servers
-)
-
-echo Done.
-rem  then add an include line to your unbound.conf pointing to the full path of
-rem  the unbound_ad_servers file:
-rem
-rem   include: $dst_dir/unbound_ad_servers
-rem
+@Echo off
+rem Convert the Yoyo.org anti-ad server listing
+rem into an unbound dns spoof redirection list.
+rem Written by Y.Voinov (c) 2014
+
+rem Note: Wget required!
+
+rem Variables
+set prefix="C:\Program Files (x86)"
+set dst_dir=%prefix%\Unbound
+set work_dir=%TEMP%
+set list_addr="http://pgl.yoyo.org/adservers/serverlist.php?hostformat=nohtml&showintro=1&startdate%5Bday%5D=&startdate%5Bmonth%5D=&startdate%5Byear%5D="
+
+rem Check Wget installed
+for /f "delims=" %%a in ('where wget') do @set wget=%%a
+if /I "%wget%"=="" echo Wget not found. If installed, add path to PATH environment variable. & exit 1
+echo Wget found: %wget%
+
+"%wget%" -O %work_dir%\yoyo_ad_servers %list_addr%
+
+del /Q /F /S %dst_dir%\unbound_ad_servers
+
+for /F "eol=; tokens=*" %%a in (%work_dir%\yoyo_ad_servers) do (
+echo local-zone: %%a redirect>>%dst_dir%\unbound_ad_servers
+echo local-data: "%%a A 127.0.0.1">>%dst_dir%\unbound_ad_servers
+)
+
+echo Done.
+rem  then add an include line to your unbound.conf pointing to the full path of
+rem  the unbound_ad_servers file:
+rem
+rem   include: $dst_dir/unbound_ad_servers
+rem

contrib/libunbound.pc.in

@@ -0,0 +1,13 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: unbound
+Description: Library with validating, recursive, and caching DNS resolver
+URL: http://www.unbound.net
+Version: @PACKAGE_VERSION@
+Requires: 
+Libs: -L${libdir} -lunbound @SSLLIB@ @LIBS@
+Libs.private: @LDFLAGS@
+Cflags: -I${includedir} 

contrib/unbound.spec_fedora

@@ -273,7 +273,7 @@ fi
 - Change make/configure lines to attempt to fix -lphtread linking issue
 
 * Thu Feb 18 2010 Paul Wouters <paul@xelerance.com> - 1.4.1-2
-- Removed dependancy for dnssec-conf
+- Removed dependency for dnssec-conf
 - Added ISC DLV key (formerly in dnssec-conf)
 - Fixup old DLV locations in unbound.conf file via %%post
 - Fix parent child disagreement handling and no-ipv6 present [svn r1953]
@@ -312,7 +312,7 @@ fi
 - Re-enabled glob.patch
 
 * Wed May 20 2009 Paul Wouters <paul@xelerance.com> - 1.2.1-7
-- unbound-iterator.patch was not commited
+- unbound-iterator.patch was not committed
 
 * Wed May 20 2009 Paul Wouters <paul@xelerance.com> - 1.2.1-6
 - Fix for https://bugzilla.redhat.com/show_bug.cgi?id=499793
@@ -338,11 +338,11 @@ fi
 
 * Wed Jan 14 2009 Paul Wouters <paul@xelerance.com - 1.2.0-1
 - Updated to 1.2.0
-- Added dependancy on minimum SSL for CVE-2008-5077
-- Added dependancy on bc for unbound-munin
+- Added dependency on minimum SSL for CVE-2008-5077
+- Added dependency on bc for unbound-munin
 - Added minimum requirement of libevent 1.4.5. Crashes with older versions
   (note: libevent is stale in EL-4 and not in EL-5, needs fixing there)
-- Removed dependancy on selinux-policy (will get used when available)
+- Removed dependency on selinux-policy (will get used when available)
 - Enable options as per draft-wijngaards-dnsext-resolver-side-mitigation-00.txt
 - Enable unwanted-reply-threshold to mitigate against a Kaminsky attack
 - Enable val-clean-additional to drop addition unsigned data from signed
@@ -423,7 +423,7 @@ fi
 - Build against ldns-1.3.0
 
 * Wed May 21 2008 Paul Wouters <paul@xelerance.com> - 1.0.0-1
-- Split of -devel package, fixed dependancies, make rpmlint happy
+- Split of -devel package, fixed dependencies, make rpmlint happy
 
 * Thu Apr 25 2008 Wouter Wijngaards <wouter@nlnetlabs.nl> - 0.12
 - Using parts from ports collection entry by Jaap Akkerhuis.

daemon/acl_list.c

@@ -45,6 +45,8 @@
 #include "util/log.h"
 #include "util/config_file.h"
 #include "util/net_help.h"
+#include "services/localzone.h"
+#include "sldns/str2wire.h"
 
 struct acl_list* 
 acl_list_create(void)
@@ -71,21 +73,21 @@ acl_list_delete(struct acl_list* acl)
 }
 
 /** insert new address into acl_list structure */
-static int
+static struct acl_addr*
 acl_list_insert(struct acl_list* acl, struct sockaddr_storage* addr, 
 	socklen_t addrlen, int net, enum acl_access control, 
 	int complain_duplicates)
 {
-	struct acl_addr* node = regional_alloc(acl->region,
+	struct acl_addr* node = regional_alloc_zero(acl->region,
 		sizeof(struct acl_addr));
 	if(!node)
-		return 0;
+		return NULL;
 	node->control = control;
 	if(!addr_tree_insert(&acl->tree, &node->node, addr, addrlen, net)) {
 		if(complain_duplicates)
 			verbose(VERB_QUERY, "duplicate acl address ignored.");
 	}
-	return 1;
+	return node;
 }
 
 /** apply acl_list string */
@@ -125,6 +127,156 @@ acl_list_str_cfg(struct acl_list* acl, const char* str, const char* s2,
 	return 1;
 }
 
+/** find or create node (NULL on parse or error) */
+static struct acl_addr*
+acl_find_or_create(struct acl_list* acl, const char* str)
+{
+	struct acl_addr* node;
+	struct sockaddr_storage addr;
+	int net;
+	socklen_t addrlen;
+	if(!netblockstrtoaddr(str, UNBOUND_DNS_PORT, &addr, &addrlen, &net)) {
+		log_err("cannot parse netblock: %s", str);
+		return NULL;
+	}
+	/* find or create node */
+	if(!(node=(struct acl_addr*)addr_tree_find(&acl->tree, &addr,
+		addrlen, net))) {
+		/* create node, type 'allow' since otherwise tags are
+		 * pointless, can override with specific access-control: cfg */
+		if(!(node=(struct acl_addr*)acl_list_insert(acl, &addr,
+			addrlen, net, acl_allow, 1))) {
+			log_err("out of memory");
+			return NULL;
+		}
+	}
+	return node;
+}
+
+/** apply acl_tag string */
+static int
+acl_list_tags_cfg(struct acl_list* acl, const char* str, uint8_t* bitmap,
+	size_t bitmaplen)
+{
+	struct acl_addr* node;
+	if(!(node=acl_find_or_create(acl, str)))
+		return 0;
+	node->taglen = bitmaplen;
+	node->taglist = regional_alloc_init(acl->region, bitmap, bitmaplen);
+	if(!node->taglist) {
+		log_err("out of memory");
+		return 0;
+	}
+	return 1;
+}
+
+/** apply acl_tag_action string */
+static int
+acl_list_tag_action_cfg(struct acl_list* acl, struct config_file* cfg,
+	const char* str, const char* tag, const char* action)
+{
+	struct acl_addr* node;
+	int tagid;
+	enum localzone_type t;
+	if(!(node=acl_find_or_create(acl, str)))
+		return 0;
+	/* allocate array if not yet */
+	if(!node->tag_actions) {
+		node->tag_actions = (uint8_t*)regional_alloc_zero(acl->region,
+			sizeof(*node->tag_actions)*cfg->num_tags);
+		if(!node->tag_actions) {
+			log_err("out of memory");
+			return 0;
+		}
+		node->tag_actions_size = (size_t)cfg->num_tags;
+	}
+	/* parse tag */
+	if((tagid=find_tag_id(cfg, tag)) == -1) {
+		log_err("cannot parse tag (define-tag it): %s %s", str, tag);
+		return 0;
+	}
+	if((size_t)tagid >= node->tag_actions_size) {
+		log_err("tagid too large for array %s %s", str, tag);
+		return 0;
+	}
+	if(!local_zone_str2type(action, &t)) {
+		log_err("cannot parse access control action type: %s %s %s",
+			str, tag, action);
+		return 0;
+	}
+	node->tag_actions[tagid] = (uint8_t)t;
+	return 1;
+}
+
+/** check wire data parse */
+static int
+check_data(const char* data)
+{
+	char buf[65536];
+	uint8_t rr[LDNS_RR_BUF_SIZE];
+	size_t len = sizeof(rr);
+	int res;
+	snprintf(buf, sizeof(buf), "%s %s", "example.com.", data);
+	res = sldns_str2wire_rr_buf(buf, rr, &len, NULL, 3600, NULL, 0,
+		NULL, 0);
+	if(res == 0)
+		return 1;
+	log_err("rr data [char %d] parse error %s",
+		(int)LDNS_WIREPARSE_OFFSET(res)-13,
+		sldns_get_errorstr_parse(res));
+	return 0;
+}
+
+/** apply acl_tag_data string */
+static int
+acl_list_tag_data_cfg(struct acl_list* acl, struct config_file* cfg,
+	const char* str, const char* tag, const char* data)
+{
+	struct acl_addr* node;
+	int tagid;
+	char* dupdata;
+	if(!(node=acl_find_or_create(acl, str)))
+		return 0;
+	/* allocate array if not yet */
+	if(!node->tag_datas) {
+		node->tag_datas = (struct config_strlist**)regional_alloc_zero(
+			acl->region, sizeof(*node->tag_datas)*cfg->num_tags);
+		if(!node->tag_datas) {
+			log_err("out of memory");
+			return 0;
+		}
+		node->tag_datas_size = (size_t)cfg->num_tags;
+	}
+	/* parse tag */
+	if((tagid=find_tag_id(cfg, tag)) == -1) {
+		log_err("cannot parse tag (define-tag it): %s %s", str, tag);
+		return 0;
+	}
+	if((size_t)tagid >= node->tag_datas_size) {
+		log_err("tagid too large for array %s %s", str, tag);
+		return 0;
+	}
+
+	/* check data? */
+	if(!check_data(data)) {
+		log_err("cannot parse access-control-tag data: %s %s '%s'",
+			str, tag, data);
+		return 0;
+	}
+
+	dupdata = regional_strdup(acl->region, data);
+	if(!dupdata) {
+		log_err("out of memory");
+		return 0;
+	}
+	if(!cfg_region_strlist_insert(acl->region,
+		&(node->tag_datas[tagid]), dupdata)) {
+		log_err("out of memory");
+		return 0;
+	}
+	return 1;
+}
+
 /** read acl_list config */
 static int 
 read_acl_list(struct acl_list* acl, struct config_file* cfg)
@@ -138,6 +290,77 @@ read_acl_list(struct acl_list* acl, struct config_file* cfg)
 	return 1;
 }
 
+/** read acl tags config */
+static int 
+read_acl_tags(struct acl_list* acl, struct config_file* cfg)
+{
+	struct config_strbytelist* np, *p = cfg->acl_tags;
+	cfg->acl_tags = NULL;
+	while(p) {
+		log_assert(p->str && p->str2);
+		if(!acl_list_tags_cfg(acl, p->str, p->str2, p->str2len)) {
+			config_del_strbytelist(p);
+			return 0;
+		}
+		/* free the items as we go to free up memory */
+		np = p->next;
+		free(p->str);
+		free(p->str2);
+		free(p);
+		p = np;
+	}
+	return 1;
+}
+
+/** read acl tag actions config */
+static int 
+read_acl_tag_actions(struct acl_list* acl, struct config_file* cfg)
+{
+	struct config_str3list* p, *np;
+	p = cfg->acl_tag_actions;
+	cfg->acl_tag_actions = NULL;
+	while(p) {
+		log_assert(p->str && p->str2 && p->str3);
+		if(!acl_list_tag_action_cfg(acl, cfg, p->str, p->str2,
+			p->str3)) {
+			config_deltrplstrlist(p);
+			return 0;
+		}
+		/* free the items as we go to free up memory */
+		np = p->next;
+		free(p->str);
+		free(p->str2);
+		free(p->str3);
+		free(p);
+		p = np;
+	}
+	return 1;
+}
+
+/** read acl tag datas config */
+static int 
+read_acl_tag_datas(struct acl_list* acl, struct config_file* cfg)
+{
+	struct config_str3list* p, *np;
+	p = cfg->acl_tag_datas;
+	cfg->acl_tag_datas = NULL;
+	while(p) {
+		log_assert(p->str && p->str2 && p->str3);
+		if(!acl_list_tag_data_cfg(acl, cfg, p->str, p->str2, p->str3)) {
+			config_deltrplstrlist(p);
+			return 0;
+		}
+		/* free the items as we go to free up memory */
+		np = p->next;
+		free(p->str);
+		free(p->str2);
+		free(p->str3);
+		free(p);
+		p = np;
+	}
+	return 1;
+}
+
 int 
 acl_list_apply_cfg(struct acl_list* acl, struct config_file* cfg)
 {
@@ -145,6 +368,12 @@ acl_list_apply_cfg(struct acl_list* acl, struct config_file* cfg)
 	addr_tree_init(&acl->tree);
 	if(!read_acl_list(acl, cfg))
 		return 0;
+	if(!read_acl_tags(acl, cfg))
+		return 0;
+	if(!read_acl_tag_actions(acl, cfg))
+		return 0;
+	if(!read_acl_tag_datas(acl, cfg))
+		return 0;
 	/* insert defaults, with '0' to ignore them if they are duplicates */
 	if(!acl_list_str_cfg(acl, "0.0.0.0/0", "refuse", 0))
 		return 0;
@@ -163,13 +392,18 @@ acl_list_apply_cfg(struct acl_list* acl, struct config_file* cfg)
 }
 
 enum acl_access 
-acl_list_lookup(struct acl_list* acl, struct sockaddr_storage* addr,
+acl_get_control(struct acl_addr* acl)
+{
+	if(acl) return acl->control;
+	return acl_deny;
+}
+
+struct acl_addr*
+acl_addr_lookup(struct acl_list* acl, struct sockaddr_storage* addr,
         socklen_t addrlen)
 {
-	struct acl_addr* r = (struct acl_addr*)addr_tree_lookup(&acl->tree,
+	return (struct acl_addr*)addr_tree_lookup(&acl->tree,
 		addr, addrlen);
-	if(r) return r->control;
-	return acl_deny;
 }
 
 size_t 

daemon/acl_list.h

@@ -87,6 +87,19 @@ struct acl_addr {
 	struct addr_tree_node node;
 	/** access control on this netblock */
 	enum acl_access control;
+	/** tag bitlist */
+	uint8_t* taglist;
+	/** length of the taglist (in bytes) */
+	size_t taglen;
+	/** array per tagnumber of localzonetype(in one byte). NULL if none. */
+	uint8_t* tag_actions;
+	/** size of the tag_actions_array */
+	size_t tag_actions_size;
+	/** array per tagnumber, with per tag a list of rdata strings.
+	 * NULL if none.  strings are like 'A 127.0.0.1' 'AAAA ::1' */
+	struct config_strlist** tag_datas;
+	/** size of the tag_datas array */
+	size_t tag_datas_size;
 };
 
 /**
@@ -110,14 +123,22 @@ void acl_list_delete(struct acl_list* acl);
 int acl_list_apply_cfg(struct acl_list* acl, struct config_file* cfg);
 
 /**
- * Lookup address to see its access control status.
+ * Lookup access control status for acl structure.
+ * @param acl: structure for acl storage.
+ * @return: what to do with message from this address.
+ */
+enum acl_access acl_get_control(struct acl_addr* acl);
+
+/**
+ * Lookup address to see its acl structure
  * @param acl: structure for address storage.
  * @param addr: address to check
  * @param addrlen: length of addr.
- * @return: what to do with message from this address.
+ * @return: acl structure from this address.
  */
-enum acl_access acl_list_lookup(struct acl_list* acl, 
-	struct sockaddr_storage* addr, socklen_t addrlen);
+struct acl_addr*
+acl_addr_lookup(struct acl_list* acl, struct sockaddr_storage* addr,
+        socklen_t addrlen);
 
 /**
  * Get memory used by acl structure.

daemon/daemon.c

@@ -204,20 +204,29 @@ daemon_init(void)
 	signal_handling_record();
 	checklock_start();
 #ifdef HAVE_SSL
+#  ifdef HAVE_ERR_LOAD_CRYPTO_STRINGS
 	ERR_load_crypto_strings();
-	ERR_load_SSL_strings();
-#  ifdef HAVE_OPENSSL_CONFIG
-	OPENSSL_config("unbound");
 #  endif
+	ERR_load_SSL_strings();
 #  ifdef USE_GOST
 	(void)sldns_key_EVP_load_gost_id();
 #  endif
+#  if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_CRYPTO)
 	OpenSSL_add_all_algorithms();
+#  else
+	OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS
+		| OPENSSL_INIT_ADD_ALL_DIGESTS
+		| OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
+#  endif
 #  if HAVE_DECL_SSL_COMP_GET_COMPRESSION_METHODS
 	/* grab the COMP method ptr because openssl leaks it */
 	comp_meth = (void*)SSL_COMP_get_compression_methods();
 #  endif
+#  if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_SSL)
 	(void)SSL_library_init();
+#  else
+	(void)OPENSSL_init_ssl(0, NULL);
+#  endif
 #  if defined(HAVE_SSL) && defined(OPENSSL_THREADS) && !defined(THREADS_DISABLED)
 	if(!ub_openssl_lock_init())
 		fatal_exit("could not init openssl locks");
@@ -407,6 +416,8 @@ daemon_create_workers(struct daemon* daemon)
 	}
 	daemon->workers = (struct worker**)calloc((size_t)daemon->num, 
 		sizeof(struct worker*));
+	if(!daemon->workers)
+		fatal_exit("out of memory during daemon init");
 	if(daemon->cfg->dnstap) {
 #ifdef USE_DNSTAP
 		daemon->dtenv = dt_create(daemon->cfg->dnstap_socket_path,
@@ -589,13 +600,12 @@ daemon_cleanup(struct daemon* daemon)
 	log_thread_set(NULL);
 	/* clean up caches because
 	 * a) RRset IDs will be recycled after a reload, causing collisions
-	 * b) validation config can change, thus rrset, msg, keycache clear 
-	 * The infra cache is kept, the timing and edns info is still valid */
+	 * b) validation config can change, thus rrset, msg, keycache clear */
 	slabhash_clear(&daemon->env->rrset_cache->table);
 	slabhash_clear(daemon->env->msg_cache);
 	local_zones_delete(daemon->local_zones);
 	daemon->local_zones = NULL;
-	/* key cache is cleared by module desetup during next daemon_init() */
+	/* key cache is cleared by module desetup during next daemon_fork() */
 	daemon_remote_clear(daemon->rc);
 	for(i=0; i<daemon->num; i++)
 		worker_delete(daemon->workers[i]);
@@ -647,18 +657,27 @@ daemon_delete(struct daemon* daemon)
 #  endif
 #  if HAVE_DECL_SSL_COMP_GET_COMPRESSION_METHODS && HAVE_DECL_SK_SSL_COMP_POP_FREE
 #    ifndef S_SPLINT_S
+#      if OPENSSL_VERSION_NUMBER < 0x10100000
 	sk_SSL_COMP_pop_free(comp_meth, (void(*)())CRYPTO_free);
+#      endif
 #    endif
 #  endif
 #  ifdef HAVE_OPENSSL_CONFIG
 	EVP_cleanup();
+#  if OPENSSL_VERSION_NUMBER < 0x10100000
 	ENGINE_cleanup();
+#  endif
 	CONF_modules_free();
 #  endif
+#  ifdef HAVE_CRYPTO_CLEANUP_ALL_EX_DATA
 	CRYPTO_cleanup_all_ex_data(); /* safe, no more threads right now */
-	ERR_remove_state(0);
+#  endif
+#  ifdef HAVE_ERR_FREE_STRINGS
 	ERR_free_strings();
+#  endif
+#  if OPENSSL_VERSION_NUMBER < 0x10100000
 	RAND_cleanup();
+#  endif
 #  if defined(HAVE_SSL) && defined(OPENSSL_THREADS) && !defined(THREADS_DISABLED)
 	ub_openssl_lock_delete();
 #  endif

daemon/daemon.h

@@ -45,9 +45,6 @@
 #include "util/locks.h"
 #include "util/alloc.h"
 #include "services/modstack.h"
-#ifdef UB_ON_WINDOWS
-#  include "util/winsock_event.h"
-#endif
 struct config_file;
 struct worker;
 struct listen_port;

daemon/remote.c

@@ -46,9 +46,12 @@
 #ifdef HAVE_OPENSSL_ERR_H
 #include <openssl/err.h>
 #endif
-#ifndef HEADER_DH_H
+#ifdef HAVE_OPENSSL_DH_H
 #include <openssl/dh.h>
 #endif
+#ifdef HAVE_OPENSSL_BN_H
+#include <openssl/bn.h>
+#endif
 
 #include <ctype.h>
 #include "daemon/remote.h"
@@ -140,47 +143,64 @@ timeval_divide(struct timeval* avg, const struct timeval* sum, size_t d)
 
 /*
  * The following function was generated using the openssl utility, using
- * the command : "openssl dhparam -dsaparam -C 1024"
+ * the command : "openssl dhparam -C 2048"
  * (some openssl versions reject DH that is 'too small', eg. 512).
  */
 #ifndef S_SPLINT_S
-DH *get_dh1024()
+static DH *get_dh2048(void)
 {
-	static unsigned char dh1024_p[]={
-		0xB3,0x67,0x2E,0x3B,0x68,0xC5,0xDA,0x58,0x46,0xD6,0x2B,0xD3,
-		0x41,0x78,0x97,0xE4,0xE1,0x61,0x71,0x68,0xE6,0x0F,0x1D,0x78,
-		0x05,0xAA,0xF0,0xFF,0x30,0xDF,0xAC,0x49,0x7F,0xE0,0x90,0xFE,
-		0xB9,0x56,0x4E,0x3F,0xE2,0x98,0x8A,0xED,0xF5,0x28,0x39,0xEF,
-		0x2E,0xA6,0xB7,0x67,0xB2,0x43,0xE4,0x53,0xF8,0xEB,0x2C,0x1F,
-		0x06,0x77,0x3A,0x6F,0x62,0x98,0xC1,0x3B,0xF7,0xBA,0x4D,0x93,
-		0xF7,0xEB,0x5A,0xAD,0xC5,0x5F,0xF0,0xB7,0x24,0x35,0x81,0xF7,
-		0x7F,0x1F,0x24,0xC0,0xDF,0xD3,0xD8,0x40,0x72,0x7E,0xF3,0x19,
-		0x2B,0x26,0x27,0xF4,0xB6,0xB3,0xD4,0x7D,0x08,0x23,0xBE,0x68,
-		0x2B,0xCA,0xB4,0x46,0xA8,0x9E,0xDD,0x6C,0x3D,0x75,0xA6,0x48,
-		0xF7,0x44,0x43,0xBF,0x91,0xC2,0xB4,0x49,
+	static unsigned char dh2048_p[]={
+		0xE7,0x36,0x28,0x3B,0xE4,0xC3,0x32,0x1C,0x01,0xC3,0x67,0xD6,
+		0xF5,0xF3,0xDA,0xDC,0x71,0xC0,0x42,0x8B,0xE6,0xEB,0x8D,0x80,
+		0x35,0x7F,0x09,0x45,0x30,0xE5,0xB2,0x92,0x81,0x3F,0x08,0xCD,
+		0x36,0x5E,0x19,0x83,0x62,0xCC,0xAE,0x9B,0x81,0x66,0x24,0xEE,
+		0x16,0x6F,0xA9,0x9E,0xF4,0x82,0x1B,0xDD,0x46,0xC7,0x33,0x5D,
+		0xF4,0xCA,0xE6,0x8F,0xFC,0xD4,0xD8,0x58,0x94,0x24,0x5D,0xFF,
+		0x0A,0xE8,0xEF,0x3D,0xCE,0xBB,0x50,0x94,0xE0,0x5F,0xE8,0x41,
+		0xC3,0x35,0x30,0x37,0xD5,0xCB,0x8F,0x3D,0x95,0x15,0x1A,0x77,
+		0x42,0xB2,0x06,0x86,0xF6,0x09,0x66,0x0E,0x9A,0x25,0x94,0x3E,
+		0xD2,0x04,0x25,0x25,0x1D,0x23,0xEB,0xDC,0x4D,0x0C,0x83,0x28,
+		0x2E,0x15,0x81,0x2D,0xC1,0xAF,0x8D,0x36,0x64,0xE3,0x9A,0x83,
+		0x78,0xC2,0x8D,0xC0,0x9D,0xD9,0x3A,0x1C,0xC5,0x2B,0x50,0x68,
+		0x07,0xA9,0x4B,0x8C,0x07,0x57,0xD6,0x15,0x03,0x4E,0x9E,0x01,
+		0xF2,0x6F,0x35,0xAC,0x26,0x9C,0x92,0x68,0x61,0x13,0xFB,0x01,
+		0xBA,0x22,0x36,0x01,0x55,0xB6,0x62,0xD9,0xB2,0x98,0xCE,0x5D,
+		0x4B,0xA5,0x41,0xD6,0xE5,0x70,0x78,0x12,0x1F,0x64,0xB6,0x6F,
+		0xB0,0x91,0x51,0x91,0x92,0xC0,0x94,0x3A,0xD1,0x28,0x4D,0x30,
+		0x84,0x3E,0xE4,0xE4,0x7F,0x47,0x89,0xB1,0xB6,0x8C,0x8E,0x0E,
+		0x26,0xDB,0xCD,0x17,0x07,0x2A,0x21,0x7A,0xCC,0x68,0xE8,0x57,
+		0x94,0x9E,0x59,0x61,0xEC,0x20,0x34,0x26,0x0D,0x66,0x44,0xEB,
+		0x6F,0x02,0x58,0xE2,0xED,0xF6,0xF3,0x1B,0xBF,0x9E,0x45,0x52,
+		0x5A,0x49,0xA1,0x5B,
 		};
-	static unsigned char dh1024_g[]={
-		0x5F,0x37,0xB5,0x80,0x4D,0xB4,0xC4,0xB2,0x37,0x12,0xD5,0x2F,
-		0x56,0x81,0xB0,0xDF,0x3D,0x27,0xA2,0x54,0xE7,0x14,0x65,0x2D,
-		0x72,0xA8,0x97,0xE0,0xA9,0x4A,0x09,0x5E,0x89,0xBE,0x34,0x9A,
-		0x90,0x98,0xC1,0xE8,0xBB,0x01,0x2B,0xC2,0x74,0x74,0x90,0x59,
-		0x0B,0x72,0x62,0x5C,0xFD,0x49,0x63,0x4B,0x38,0x91,0xF1,0x7F,
-		0x13,0x25,0xEB,0x52,0x50,0x47,0xA2,0x8C,0x32,0x28,0x42,0xAC,
-		0xBD,0x7A,0xCC,0x58,0xBE,0x36,0xDA,0x6A,0x24,0x06,0xC7,0xF1,
-		0xDA,0x8D,0x8A,0x3B,0x03,0xFA,0x6F,0x25,0xE5,0x20,0xA7,0xD6,
-		0x6F,0x74,0x61,0x53,0x14,0x81,0x29,0x04,0xB5,0x61,0x12,0x53,
-		0xA3,0xD6,0x09,0x98,0x0C,0x8F,0x1C,0xBB,0xD7,0x1C,0x2C,0xEE,
-		0x56,0x4B,0x74,0x8F,0x4A,0xF8,0xA9,0xD5,
+	static unsigned char dh2048_g[]={
+		0x02,
 		};
-	DH *dh;
+	DH *dh = NULL;
+	BIGNUM *p = NULL, *g = NULL;
 
-	if ((dh=DH_new()) == NULL) return(NULL);
-	dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
-	dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
-	if ((dh->p == NULL) || (dh->g == NULL))
-		{ DH_free(dh); return(NULL); }
-	dh->length = 160;
-	return(dh);
+	dh = DH_new();
+	p = BN_bin2bn(dh2048_p, sizeof(dh2048_p), NULL);
+	g = BN_bin2bn(dh2048_g, sizeof(dh2048_g), NULL);
+	if (!dh || !p || !g)
+		goto err;
+
+#if OPENSSL_VERSION_NUMBER < 0x10100000 || defined(HAVE_LIBRESSL)
+	dh->p = p;
+	dh->g = g;
+#else
+	if (!DH_set0_pqg(dh, p, NULL, g))
+		goto err;
+#endif
+	return dh;
+err:
+	if (p)
+		BN_free(p);
+	if (g)
+		BN_free(g);
+	if (dh)
+		DH_free(dh);
+	return NULL;
 }
 #endif /* SPLINT */
 
@@ -208,12 +228,14 @@ daemon_remote_create(struct config_file* cfg)
 		return NULL;
 	}
 	/* no SSLv2, SSLv3 because has defects */
-	if(!(SSL_CTX_set_options(rc->ctx, SSL_OP_NO_SSLv2) & SSL_OP_NO_SSLv2)){
+	if((SSL_CTX_set_options(rc->ctx, SSL_OP_NO_SSLv2) & SSL_OP_NO_SSLv2)
+		!= SSL_OP_NO_SSLv2){
 		log_crypto_err("could not set SSL_OP_NO_SSLv2");
 		daemon_remote_delete(rc);
 		return NULL;
 	}
-	if(!(SSL_CTX_set_options(rc->ctx, SSL_OP_NO_SSLv3) & SSL_OP_NO_SSLv3)){
+	if((SSL_CTX_set_options(rc->ctx, SSL_OP_NO_SSLv3) & SSL_OP_NO_SSLv3)
+		!= SSL_OP_NO_SSLv3){
 		log_crypto_err("could not set SSL_OP_NO_SSLv3");
 		daemon_remote_delete(rc);
 		return NULL;
@@ -223,14 +245,16 @@ daemon_remote_create(struct config_file* cfg)
 		/* No certificates are requested */
 		if(!SSL_CTX_set_cipher_list(rc->ctx, "aNULL")) {
 			log_crypto_err("Failed to set aNULL cipher list");
+			daemon_remote_delete(rc);
 			return NULL;
 		}
 
 		/* Since we have no certificates and hence no source of
 		 * DH params, let's generate and set them
 		 */
-		if(!SSL_CTX_set_tmp_dh(rc->ctx,get_dh1024())) {
+		if(!SSL_CTX_set_tmp_dh(rc->ctx,get_dh2048())) {
 			log_crypto_err("Wanted to set DH param, but failed");
+			daemon_remote_delete(rc);
 			return NULL;
 		}
 		return rc;
@@ -357,8 +381,12 @@ add_open(const char* ip, int nr, struct listen_port** list, int noproto_is_err,
 		if(fd != -1) {
 #ifdef HAVE_CHOWN
 			if (cfg->username && cfg->username[0] &&
-				cfg_uid != (uid_t)-1)
-				chown(ip, cfg_uid, cfg_gid);
+				cfg_uid != (uid_t)-1) {
+				if(chown(ip, cfg_uid, cfg_gid) == -1)
+					log_err("cannot chown %u.%u %s: %s",
+					  (unsigned)cfg_uid, (unsigned)cfg_gid,
+					  ip, strerror(errno));
+			}
 			chmod(ip, (mode_t)(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP));
 #else
 			(void)cfg;
@@ -387,7 +415,7 @@ add_open(const char* ip, int nr, struct listen_port** list, int noproto_is_err,
 
 		/* open fd */
 		fd = create_tcp_accept_sock(res, 1, &noproto, 0,
-			cfg->ip_transparent);
+			cfg->ip_transparent, 0, cfg->ip_freebind);
 		freeaddrinfo(res);
 	}
 

daemon/remote.h

@@ -56,8 +56,8 @@ struct comm_reply;
 struct comm_point;
 struct daemon_remote;
 
-/** number of seconds timeout on incoming remote control handshake */
-#define REMOTE_CONTROL_TCP_TIMEOUT 120
+/** number of milliseconds timeout on incoming remote control handshake */
+#define REMOTE_CONTROL_TCP_TIMEOUT 120000
 
 /**
  * a busy control command connection, SSL state

daemon/unbound.c

@@ -57,6 +57,7 @@
 #include "util/data/msgreply.h"
 #include "util/module.h"
 #include "util/net_help.h"
+#include "util/ub_event.h"
 #include <signal.h>
 #include <fcntl.h>
 #include <openssl/crypto.h>
@@ -77,22 +78,6 @@
 #include <login_cap.h>
 #endif
 
-#ifdef USE_MINI_EVENT
-#  ifdef USE_WINSOCK
-#    include "util/winsock_event.h"
-#  else
-#    include "util/mini_event.h"
-#  endif
-#else
-#  ifdef HAVE_EVENT_H
-#    include <event.h>
-#  else
-#    include "event2/event.h"
-#    include "event2/event_struct.h"
-#    include "event2/event_compat.h"
-#  endif
-#endif
-
 #ifdef UB_ON_WINDOWS
 #  include "winrc/win_svc.h"
 #endif
@@ -107,59 +92,14 @@
 void* unbound_start_brk = 0;
 #endif
 
-#if !defined(HAVE_EVENT_BASE_GET_METHOD) && (defined(HAVE_EV_LOOP) || defined(HAVE_EV_DEFAULT_LOOP))
-static const char* ev_backend2str(int b)
-{
-	switch(b) {
-	case EVBACKEND_SELECT:	return "select";
-	case EVBACKEND_POLL:	return "poll";
-	case EVBACKEND_EPOLL:	return "epoll";
-	case EVBACKEND_KQUEUE:	return "kqueue";
-	case EVBACKEND_DEVPOLL: return "devpoll";
-	case EVBACKEND_PORT:	return "evport";
-	}
-	return "unknown";
-}
-#endif
-
-/** get the event system in use */
-static void get_event_sys(const char** n, const char** s, const char** m)
-{
-#ifdef USE_WINSOCK
-	*n = "event";
-	*s = "winsock";
-	*m = "WSAWaitForMultipleEvents";
-#elif defined(USE_MINI_EVENT)
-	*n = "mini-event";
-	*s = "internal";
-	*m = "select";
-#else
-	struct event_base* b;
-	*s = event_get_version();
-#  ifdef HAVE_EVENT_BASE_GET_METHOD
-	*n = "libevent";
-	b = event_base_new();
-	*m = event_base_get_method(b);
-#  elif defined(HAVE_EV_LOOP) || defined(HAVE_EV_DEFAULT_LOOP)
-	*n = "libev";
-	b = (struct event_base*)ev_default_loop(EVFLAG_AUTO);
-	*m = ev_backend2str(ev_backend((struct ev_loop*)b));
-#  else
-	*n = "unknown";
-	*m = "not obtainable";
-	b = NULL;
-#  endif
-#  ifdef HAVE_EVENT_BASE_FREE
-	event_base_free(b);
-#  endif
-#endif
-}
-
 /** print usage. */
-static void usage()
+static void usage(void)
 {
 	const char** m;
 	const char *evnm="event", *evsys="", *evmethod="";
+	time_t t;
+	struct timeval now;
+	struct ub_event_base* base;
 	printf("usage:  unbound [options]\n");
 	printf("	start unbound daemon DNS resolver.\n");
 	printf("-h	this help\n");
@@ -173,13 +113,20 @@ static void usage()
 	printf("   	service - used to start from services control panel\n");
 #endif
 	printf("Version %s\n", PACKAGE_VERSION);
-	get_event_sys(&evnm, &evsys, &evmethod);
+	base = ub_default_event_base(0,&t,&now);
+	ub_get_event_sys(base, &evnm, &evsys, &evmethod);
 	printf("linked libs: %s %s (it uses %s), %s\n", 
 		evnm, evsys, evmethod,
 #ifdef HAVE_SSL
+#  ifdef SSLEAY_VERSION
 		SSLeay_version(SSLEAY_VERSION)
+#  else
+		OpenSSL_version(OPENSSL_VERSION)
+#  endif
 #elif defined(HAVE_NSS)
 		NSS_GetVersion()
+#elif defined(HAVE_NETTLE)
+		"nettle"
 #endif
 		);
 	printf("linked modules:");
@@ -188,6 +135,7 @@ static void usage()
 	printf("\n");
 	printf("BSD licensed, see LICENSE in source package for details.\n");
 	printf("Report bugs to %s\n", PACKAGE_BUGREPORT);
+	ub_event_base_free(base);
 }
 
 #ifndef unbound_testbound
@@ -228,7 +176,7 @@ checkrlimits(struct config_file* cfg)
 	struct rlimit rlim;
 
 	if(total > 1024 && 
-		strncmp(event_get_version(), "mini-event", 10) == 0) {
+		strncmp(ub_event_get_version(), "mini-event", 10) == 0) {
 		log_warn("too many file descriptors requested. The builtin"
 			"mini-event cannot handle more than 1024. Config "
 			"for less fds or compile with libevent");
@@ -242,7 +190,7 @@ checkrlimits(struct config_file* cfg)
 		total = 1024;
 	}
 	if(perthread > 64 && 
-		strncmp(event_get_version(), "winsock-event", 13) == 0) {
+		strncmp(ub_event_get_version(), "winsock-event", 13) == 0) {
 		log_err("too many file descriptors requested. The winsock"
 			" event handler cannot handle more than 64 per "
 			" thread. Config for less fds");
@@ -441,6 +389,9 @@ static void
 perform_setup(struct daemon* daemon, struct config_file* cfg, int debug_mode,
 	const char** cfgfile)
 {
+#ifdef HAVE_KILL
+	int pidinchroot;
+#endif
 #ifdef HAVE_GETPWNAM
 	struct passwd *pwd = NULL;
 
@@ -450,6 +401,9 @@ perform_setup(struct daemon* daemon, struct config_file* cfg, int debug_mode,
 		/* endpwent below, in case we need pwd for setusercontext */
 	}
 #endif
+#ifdef UB_ON_WINDOWS
+	w_config_adjust_directory(cfg);
+#endif
 
 	/* init syslog (as root) if needed, before daemonize, otherwise
 	 * a fork error could not be printed since daemonize closed stderr.*/
@@ -476,6 +430,12 @@ perform_setup(struct daemon* daemon, struct config_file* cfg, int debug_mode,
 #endif
 
 #ifdef HAVE_KILL
+	/* true if pidfile is inside chrootdir, or nochroot */
+	pidinchroot = !(cfg->chrootdir && cfg->chrootdir[0]) ||
+				(cfg->chrootdir && cfg->chrootdir[0] &&
+				strncmp(cfg->pidfile, cfg->chrootdir,
+				strlen(cfg->chrootdir))==0);
+
 	/* check old pid file before forking */
 	if(cfg->pidfile && cfg->pidfile[0]) {
 		/* calculate position of pidfile */
@@ -485,12 +445,7 @@ perform_setup(struct daemon* daemon, struct config_file* cfg, int debug_mode,
 				cfg, 1);
 		if(!daemon->pidfile)
 			fatal_exit("pidfile alloc: out of memory");
-		checkoldpid(daemon->pidfile,
-			/* true if pidfile is inside chrootdir, or nochroot */
-			!(cfg->chrootdir && cfg->chrootdir[0]) ||
-			(cfg->chrootdir && cfg->chrootdir[0] &&
-			strncmp(daemon->pidfile, cfg->chrootdir,
-				strlen(cfg->chrootdir))==0));
+		checkoldpid(daemon->pidfile, pidinchroot);
 	}
 #endif
 
@@ -503,10 +458,11 @@ perform_setup(struct daemon* daemon, struct config_file* cfg, int debug_mode,
 #ifdef HAVE_KILL
 	if(cfg->pidfile && cfg->pidfile[0]) {
 		writepid(daemon->pidfile, getpid());
-		if(cfg->username && cfg->username[0] && cfg_uid != (uid_t)-1) {
+		if(cfg->username && cfg->username[0] && cfg_uid != (uid_t)-1 &&
+			pidinchroot) {
 #  ifdef HAVE_CHOWN
 			if(chown(daemon->pidfile, cfg_uid, cfg_gid) == -1) {
-				log_err("cannot chown %u.%u %s: %s",
+				verbose(VERB_QUERY, "cannot chown %u.%u %s: %s",
 					(unsigned)cfg_uid, (unsigned)cfg_gid,
 					daemon->pidfile, strerror(errno));
 			}
@@ -592,7 +548,9 @@ perform_setup(struct daemon* daemon, struct config_file* cfg, int debug_mode,
 			log_warn("unable to initgroups %s: %s",
 				cfg->username, strerror(errno));
 #  endif /* HAVE_INITGROUPS */
+#  ifdef HAVE_ENDPWENT
 		endpwent();
+#  endif
 
 #ifdef HAVE_SETRESGID
 		if(setresgid(cfg_gid,cfg_gid,cfg_gid) != 0)
@@ -730,7 +688,7 @@ main(int argc, char* argv[])
 #endif
 			break;
 		case 'v':
-			cmdline_verbose ++;
+			cmdline_verbose++;
 			verbosity++;
 			break;
 		case 'd':

daemon/worker.c

@@ -483,7 +483,6 @@ answer_norec_from_cache(struct worker* worker, struct query_info* qinfo,
 		qinfo->qname_len, qinfo->qtype, qinfo->qclass,
 		worker->scratchpad, &msg, timenow);
 	if(!dp) { /* no delegation, need to reprime */
-		regional_free_all(worker->scratchpad);
 		return 0;
 	}
 	if(must_validate) {
@@ -491,7 +490,6 @@ answer_norec_from_cache(struct worker* worker, struct query_info* qinfo,
 		case sec_status_unchecked:
 			/* some rrsets have not been verified yet, go and 
 			 * let validator do that */
-			regional_free_all(worker->scratchpad);
 			return 0;
 		case sec_status_bogus:
 			/* some rrsets are bogus, reply servfail */
@@ -499,9 +497,10 @@ answer_norec_from_cache(struct worker* worker, struct query_info* qinfo,
 			edns->udp_size = EDNS_ADVERTISED_SIZE;
 			edns->ext_rcode = 0;
 			edns->bits &= EDNS_DO;
+			if(!edns_opt_inplace_reply(edns, worker->scratchpad))
+				return 0;
 			error_encode(repinfo->c->buffer, LDNS_RCODE_SERVFAIL, 
 				&msg->qinfo, id, flags, edns);
-			regional_free_all(worker->scratchpad);
 			if(worker->stats.extended) {
 				worker->stats.ans_bogus++;
 				worker->stats.ans_rcode[LDNS_RCODE_SERVFAIL]++;
@@ -527,6 +526,8 @@ answer_norec_from_cache(struct worker* worker, struct query_info* qinfo,
 	edns->udp_size = EDNS_ADVERTISED_SIZE;
 	edns->ext_rcode = 0;
 	edns->bits &= EDNS_DO;
+	if(!edns_opt_inplace_reply(edns, worker->scratchpad))
+		return 0;
 	msg->rep->flags |= BIT_QR|BIT_RA;
 	if(!reply_info_answer_encode(&msg->qinfo, msg->rep, id, flags, 
 		repinfo->c->buffer, 0, 1, worker->scratchpad,
@@ -534,7 +535,6 @@ answer_norec_from_cache(struct worker* worker, struct query_info* qinfo,
 		error_encode(repinfo->c->buffer, LDNS_RCODE_SERVFAIL, 
 			&msg->qinfo, id, flags, edns);
 	}
-	regional_free_all(worker->scratchpad);
 	if(worker->stats.extended) {
 		if(secure) worker->stats.ans_secure++;
 		server_stats_insrcode(&worker->stats, repinfo->c->buffer);
@@ -574,7 +574,6 @@ answer_from_cache(struct worker* worker, struct query_info* qinfo,
 		bail_out:
 			rrset_array_unlock_touch(worker->env.rrset_cache, 
 				worker->scratchpad, rep->ref, rep->rrset_count);
-			regional_free_all(worker->scratchpad);
 			return 0;
 		}
 	}
@@ -585,11 +584,12 @@ answer_from_cache(struct worker* worker, struct query_info* qinfo,
 		edns->udp_size = EDNS_ADVERTISED_SIZE;
 		edns->ext_rcode = 0;
 		edns->bits &= EDNS_DO;
+		if(!edns_opt_inplace_reply(edns, worker->scratchpad))
+			return 0;
 		error_encode(repinfo->c->buffer, LDNS_RCODE_SERVFAIL, 
 			qinfo, id, flags, edns);
 		rrset_array_unlock_touch(worker->env.rrset_cache, 
 			worker->scratchpad, rep->ref, rep->rrset_count);
-		regional_free_all(worker->scratchpad);
 		if(worker->stats.extended) {
 			worker->stats.ans_bogus ++;
 			worker->stats.ans_rcode[LDNS_RCODE_SERVFAIL] ++;
@@ -616,6 +616,8 @@ answer_from_cache(struct worker* worker, struct query_info* qinfo,
 	edns->udp_size = EDNS_ADVERTISED_SIZE;
 	edns->ext_rcode = 0;
 	edns->bits &= EDNS_DO;
+	if(!edns_opt_inplace_reply(edns, worker->scratchpad))
+		return 0;
 	if(!reply_info_answer_encode(qinfo, rep, id, flags, 
 		repinfo->c->buffer, timenow, 1, worker->scratchpad,
 		udpsize, edns, (int)(edns->bits & EDNS_DO), secure)) {
@@ -626,7 +628,6 @@ answer_from_cache(struct worker* worker, struct query_info* qinfo,
 	 * is bad while holding locks. */
 	rrset_array_unlock_touch(worker->env.rrset_cache, worker->scratchpad,
 		rep->ref, rep->rrset_count);
-	regional_free_all(worker->scratchpad);
 	if(worker->stats.extended) {
 		if(secure) worker->stats.ans_secure++;
 		server_stats_insrcode(&worker->stats, repinfo->c->buffer);
@@ -658,9 +659,11 @@ reply_and_prefetch(struct worker* worker, struct query_info* qinfo,
  * @param pkt: buffer
  * @param str: string to put into text record (<255).
  * @param edns: edns reply information.
+ * @param worker: worker with scratch region.
  */
 static void
-chaos_replystr(sldns_buffer* pkt, const char* str, struct edns_data* edns)
+chaos_replystr(sldns_buffer* pkt, const char* str, struct edns_data* edns,
+	struct worker* worker)
 {
 	size_t len = strlen(str);
 	unsigned int rd = LDNS_RD_WIRE(sldns_buffer_begin(pkt));
@@ -689,6 +692,8 @@ chaos_replystr(sldns_buffer* pkt, const char* str, struct edns_data* edns)
 	edns->edns_version = EDNS_ADVERTISED_VERSION;
 	edns->udp_size = EDNS_ADVERTISED_SIZE;
 	edns->bits &= EDNS_DO;
+	if(!edns_opt_inplace_reply(edns, worker->scratchpad))
+		edns->opt_list = NULL;
 	attach_edns_record(pkt, edns);
 }
 
@@ -718,13 +723,13 @@ answer_chaos(struct worker* w, struct query_info* qinfo,
 			char buf[MAXHOSTNAMELEN+1];
 			if (gethostname(buf, MAXHOSTNAMELEN) == 0) {
 				buf[MAXHOSTNAMELEN] = 0;
-				chaos_replystr(pkt, buf, edns);
+				chaos_replystr(pkt, buf, edns, w);
 			} else 	{
 				log_err("gethostname: %s", strerror(errno));
-				chaos_replystr(pkt, "no hostname", edns);
+				chaos_replystr(pkt, "no hostname", edns, w);
 			}
 		}
-		else 	chaos_replystr(pkt, cfg->identity, edns);
+		else 	chaos_replystr(pkt, cfg->identity, edns, w);
 		return 1;
 	}
 	if(query_dname_compare(qinfo->qname, 
@@ -735,8 +740,8 @@ answer_chaos(struct worker* w, struct query_info* qinfo,
 		if(cfg->hide_version) 
 			return 0;
 		if(cfg->version==NULL || cfg->version[0]==0)
-			chaos_replystr(pkt, PACKAGE_STRING, edns);
-		else 	chaos_replystr(pkt, cfg->version, edns);
+			chaos_replystr(pkt, PACKAGE_STRING, edns, w);
+		else 	chaos_replystr(pkt, cfg->version, edns, w);
 		return 1;
 	}
 	return 0;
@@ -768,6 +773,8 @@ deny_refuse(struct comm_point* c, enum acl_access acl,
 		LDNS_QR_SET(sldns_buffer_begin(c->buffer));
 		LDNS_RCODE_SET(sldns_buffer_begin(c->buffer), 
 			LDNS_RCODE_REFUSED);
+		sldns_buffer_set_position(c->buffer, LDNS_HEADER_SIZE);
+		sldns_buffer_flip(c->buffer);
 		return 1;
 	}
 
@@ -799,6 +806,7 @@ worker_handle_request(struct comm_point* c, void* arg, int error,
 	struct query_info qinfo;
 	struct edns_data edns;
 	enum acl_access acl;
+	struct acl_addr* acladdr;
 	int rc = 0;
 
 	if(error != NETEVENT_NOERROR) {
@@ -811,8 +819,9 @@ worker_handle_request(struct comm_point* c, void* arg, int error,
 		dt_msg_send_client_query(&worker->dtenv, &repinfo->addr, c->type,
 			c->buffer);
 #endif
-	acl = acl_list_lookup(worker->daemon->acl, &repinfo->addr, 
+	acladdr = acl_addr_lookup(worker->daemon->acl, &repinfo->addr, 
 		repinfo->addrlen);
+	acl = acl_get_control(acladdr);
 	if((ret=deny_refuse_all(c, acl, worker, repinfo)) != -1)
 	{
 		if(ret == 1)
@@ -865,12 +874,18 @@ worker_handle_request(struct comm_point* c, void* arg, int error,
 		}
 		goto send_reply;
 	}
-	if((ret=parse_edns_from_pkt(c->buffer, &edns)) != 0) {
+	if((ret=parse_edns_from_pkt(c->buffer, &edns, worker->scratchpad)) != 0) {
+		struct edns_data reply_edns;
 		verbose(VERB_ALGO, "worker parse edns: formerror.");
 		log_addr(VERB_CLIENT,"from",&repinfo->addr, repinfo->addrlen);
-		sldns_buffer_rewind(c->buffer);
-		LDNS_QR_SET(sldns_buffer_begin(c->buffer));
+		memset(&reply_edns, 0, sizeof(reply_edns));
+		reply_edns.edns_present = 1;
+		reply_edns.udp_size = EDNS_ADVERTISED_SIZE;
 		LDNS_RCODE_SET(sldns_buffer_begin(c->buffer), ret);
+		error_encode(c->buffer, ret, &qinfo,
+			*(uint16_t*)(void *)sldns_buffer_begin(c->buffer),
+			sldns_buffer_read_u16_at(c->buffer, 2), &reply_edns);
+		regional_free_all(worker->scratchpad);
 		server_stats_insrcode(&worker->stats, c->buffer);
 		goto send_reply;
 	}
@@ -879,12 +894,14 @@ worker_handle_request(struct comm_point* c, void* arg, int error,
 		edns.edns_version = EDNS_ADVERTISED_VERSION;
 		edns.udp_size = EDNS_ADVERTISED_SIZE;
 		edns.bits &= EDNS_DO;
+		edns.opt_list = NULL;
 		verbose(VERB_ALGO, "query with bad edns version.");
 		log_addr(VERB_CLIENT,"from",&repinfo->addr, repinfo->addrlen);
 		error_encode(c->buffer, EDNS_RCODE_BADVERS&0xf, &qinfo,
 			*(uint16_t*)(void *)sldns_buffer_begin(c->buffer),
 			sldns_buffer_read_u16_at(c->buffer, 2), NULL);
 		attach_edns_record(c->buffer, &edns);
+		regional_free_all(worker->scratchpad);
 		goto send_reply;
 	}
 	if(edns.edns_present && edns.udp_size < NORMAL_UDP_SIZE &&
@@ -913,6 +930,7 @@ worker_handle_request(struct comm_point* c, void* arg, int error,
 		sldns_buffer_write_at(c->buffer, 4, 
 			(uint8_t*)"\0\0\0\0\0\0\0\0", 8);
 		sldns_buffer_flip(c->buffer);
+		regional_free_all(worker->scratchpad);
 		goto send_reply;
 	}
 	if(worker->stats.extended)
@@ -923,10 +941,15 @@ worker_handle_request(struct comm_point* c, void* arg, int error,
 	if(qinfo.qclass == LDNS_RR_CLASS_CH && answer_chaos(worker, &qinfo,
 		&edns, c->buffer)) {
 		server_stats_insrcode(&worker->stats, c->buffer);
+		regional_free_all(worker->scratchpad);
 		goto send_reply;
 	}
 	if(local_zones_answer(worker->daemon->local_zones, &qinfo, &edns, 
-		c->buffer, worker->scratchpad, repinfo)) {
+		c->buffer, worker->scratchpad, repinfo,	
+		acladdr->taglist, acladdr->taglen, acladdr->tag_actions,
+		acladdr->tag_actions_size, acladdr->tag_datas,
+		acladdr->tag_datas_size, worker->daemon->cfg->tagname,
+		worker->daemon->cfg->num_tags)) {
 		regional_free_all(worker->scratchpad);
 		if(sldns_buffer_limit(c->buffer) == 0) {
 			comm_point_drop_reply(repinfo);
@@ -940,6 +963,7 @@ worker_handle_request(struct comm_point* c, void* arg, int error,
 	 * might need to bail out based on ACLs now. */
 	if((ret=deny_refuse_non_local(c, acl, worker, repinfo)) != -1)
 	{
+		regional_free_all(worker->scratchpad);
 		if(ret == 1)
 			goto send_reply;
 		return ret;
@@ -956,6 +980,7 @@ worker_handle_request(struct comm_point* c, void* arg, int error,
 		LDNS_RCODE_SET(sldns_buffer_begin(c->buffer), 
 			LDNS_RCODE_REFUSED);
 		sldns_buffer_flip(c->buffer);
+		regional_free_all(worker->scratchpad);
 		server_stats_insrcode(&worker->stats, c->buffer);
 		log_addr(VERB_ALGO, "refused nonrec (cache snoop) query from",
 			&repinfo->addr, repinfo->addrlen);
@@ -979,9 +1004,11 @@ worker_handle_request(struct comm_point* c, void* arg, int error,
 					sldns_buffer_read_u16_at(c->buffer, 2),
 					repinfo, leeway);
 				rc = 0;
+				regional_free_all(worker->scratchpad);
 				goto send_reply_rc;
 			}
 			lock_rw_unlock(&e->lock);
+			regional_free_all(worker->scratchpad);
 			goto send_reply;
 		}
 		verbose(VERB_ALGO, "answer from the cache failed");
@@ -992,6 +1019,7 @@ worker_handle_request(struct comm_point* c, void* arg, int error,
 			*(uint16_t*)(void *)sldns_buffer_begin(c->buffer), 
 			sldns_buffer_read_u16_at(c->buffer, 2), repinfo, 
 			&edns)) {
+			regional_free_all(worker->scratchpad);
 			goto send_reply;
 		}
 		verbose(VERB_ALGO, "answer norec from cache -- "
@@ -1012,6 +1040,7 @@ worker_handle_request(struct comm_point* c, void* arg, int error,
 	mesh_new_client(worker->env.mesh, &qinfo, 
 		sldns_buffer_read_u16_at(c->buffer, 2),
 		&edns, repinfo, *(uint16_t*)(void *)sldns_buffer_begin(c->buffer));
+	regional_free_all(worker->scratchpad);
 	worker_mem_report(worker, NULL);
 	return 0;
 
@@ -1212,7 +1241,8 @@ worker_init(struct worker* worker, struct config_file *cfg,
 		cfg->do_tcp?cfg->outgoing_num_tcp:0, 
 		worker->daemon->env->infra_cache, worker->rndstate,
 		cfg->use_caps_bits_for_id, worker->ports, worker->numports,
-		cfg->unwanted_threshold, &worker_alloc_cleanup, worker,
+		cfg->unwanted_threshold, cfg->outgoing_tcp_mss,
+		&worker_alloc_cleanup, worker,
 		cfg->do_udp, worker->daemon->connect_sslctx, cfg->delay_close,
 		dtenv);
 	if(!worker->back) {
@@ -1349,8 +1379,9 @@ worker_delete(struct worker* worker)
 struct outbound_entry*
 worker_send_query(uint8_t* qname, size_t qnamelen, uint16_t qtype,
 	uint16_t qclass, uint16_t flags, int dnssec, int want_dnssec,
-	int nocaps, struct sockaddr_storage* addr, socklen_t addrlen,
-	uint8_t* zone, size_t zonelen, struct module_qstate* q)
+	int nocaps, struct edns_option* opt_list,
+	struct sockaddr_storage* addr, socklen_t addrlen, uint8_t* zone,
+	size_t zonelen, struct module_qstate* q)
 {
 	struct worker* worker = q->env->worker;
 	struct outbound_entry* e = (struct outbound_entry*)regional_alloc(
@@ -1360,8 +1391,8 @@ worker_send_query(uint8_t* qname, size_t qnamelen, uint16_t qtype,
 	e->qstate = q;
 	e->qsent = outnet_serviced_query(worker->back, qname,
 		qnamelen, qtype, qclass, flags, dnssec, want_dnssec, nocaps,
-		q->env->cfg->tcp_upstream, q->env->cfg->ssl_upstream, addr,
-		addrlen, zone, zonelen, worker_handle_service_reply, e,
+		q->env->cfg->tcp_upstream, q->env->cfg->ssl_upstream, opt_list,
+		addr, addrlen, zone, zonelen, worker_handle_service_reply, e,
 		worker->back->udp_buff);
 	if(!e->qsent) {
 		return NULL;
@@ -1406,7 +1437,8 @@ struct outbound_entry* libworker_send_query(uint8_t* ATTR_UNUSED(qname),
 	size_t ATTR_UNUSED(qnamelen), uint16_t ATTR_UNUSED(qtype), 
 	uint16_t ATTR_UNUSED(qclass), uint16_t ATTR_UNUSED(flags), 
 	int ATTR_UNUSED(dnssec), int ATTR_UNUSED(want_dnssec),
-	int ATTR_UNUSED(nocaps), struct sockaddr_storage* ATTR_UNUSED(addr), 
+	int ATTR_UNUSED(nocaps), struct edns_option* ATTR_UNUSED(opt_list),
+	struct sockaddr_storage* ATTR_UNUSED(addr), 
 	socklen_t ATTR_UNUSED(addrlen), uint8_t* ATTR_UNUSED(zone),
 	size_t ATTR_UNUSED(zonelen), struct module_qstate* ATTR_UNUSED(q))
 {

dns64/dns64.c

@@ -521,13 +521,14 @@ handle_event_moddone(struct module_qstate* qstate, int id)
      *   - An internal query.
      *   - A query for a record type other than AAAA.
      *   - CD FLAG was set on querier
-     *   - An AAAA query for which an error was returned.
+     *   - An AAAA query for which an error was returned.(qstate.return_rcode)
+     *     -> treated as servfail thus synthesize (sec 5.1.3 6147), thus
+     *        synthesize in (sec 5.1.2 of RFC6147).
      *   - A successful AAAA query with an answer.
      */
 	if ( (enum dns64_qstate)qstate->minfo[id] == DNS64_INTERNAL_QUERY
             || qstate->qinfo.qtype != LDNS_RR_TYPE_AAAA
 	    || (qstate->query_flags & BIT_CD)
-	    || qstate->return_rcode != LDNS_RCODE_NOERROR  
 	    || (qstate->return_msg &&
 		    qstate->return_msg->rep &&
 		    reply_find_answer_rrset(&qstate->qinfo,
@@ -618,8 +619,10 @@ dns64_synth_aaaa_data(const struct ub_packed_rrset_key* fk,
 	dd->rr_ttl = (time_t*)&dd->rr_data[dd->count];
 	for(i = 0; i < fd->count; ++i) {
 		if (fd->rr_len[i] != 6 || fd->rr_data[i][0] != 0
-		    || fd->rr_data[i][1] != 4)
+		    || fd->rr_data[i][1] != 4) {
+			*dd_out = NULL;
 			return;
+		}
 		dd->rr_len[i] = 18;
 		dd->rr_data[i] =
 		    (uint8_t*)&dd->rr_ttl[dd->count] + 18*i;
@@ -638,6 +641,7 @@ dns64_synth_aaaa_data(const struct ub_packed_rrset_key* fk,
 	 */
 	if(!dk) {
 		log_err("no key");
+		*dd_out = NULL;
 		return;
 	}
 
@@ -646,6 +650,7 @@ dns64_synth_aaaa_data(const struct ub_packed_rrset_key* fk,
 
 	if(!dk->rk.dname) {
 		log_err("out of memory");
+		*dd_out = NULL;
 		return;
 	}
 
@@ -867,7 +872,7 @@ static struct module_func_block dns64_block = {
  * Function for returning the above function block.
  */
 struct module_func_block *
-dns64_get_funcblock()
+dns64_get_funcblock(void)
 {
 	return &dns64_block;
 }

dnstap/dnstap.c

@@ -128,7 +128,8 @@ dt_create(const char *socket_path, unsigned num_workers)
 	struct fstrm_writer *fw;
 	struct fstrm_writer_options *fwopt;
 
-	verbose(VERB_OPS, "opening dnstap socket %s", socket_path);
+	verbose(VERB_OPS, "attempting to connect to dnstap socket %s",
+		socket_path);
 	log_assert(socket_path != NULL);
 	log_assert(num_workers > 0);
 
@@ -474,7 +475,7 @@ dt_msg_send_outside_response(struct dt_env *env,
 			return;
 		dt_msg_init(env, &dm, DNSTAP__MESSAGE__TYPE__FORWARDER_RESPONSE);
 	} else {
-		if (!env->log_resolver_query_messages)
+		if (!env->log_resolver_response_messages)
 			return;
 		dt_msg_init(env, &dm, DNSTAP__MESSAGE__TYPE__RESOLVER_RESPONSE);
 	}

dnstap/dnstap.proto

@@ -105,7 +105,7 @@ message Message {
 
     enum Type {
         // AUTH_QUERY is a DNS query message received from a resolver by an
-        // authoritative name server, from the perspective of the authorative
+        // authoritative name server, from the perspective of the authoritative
         // name server.
         AUTH_QUERY = 1;
 

doc/Changelog

@@ -1,3 +1,584 @@
+20 September 2016: Wouter
+	- iana portlist update.
+	- Fix #835: fix --disable-dsa with nettle verify.
+	- tag for 1.5.10rc1 release.
+
+15 September 2016: Wouter
+	- Fix 883: error for duplicate local zone entry.
+	- Test for openssl init_crypto and init_ssl functions.
+
+15 September 2016: Ralph
+	- fix potential memory leak in daemon/remote.c and nullpointer
+	  dereference in validator/autotrust.
+	- iana portlist update.
+
+13 September 2016: Wouter
+	- Silenced flex-generated sign-unsigned warning print with gcc
+	  diagnostic pragma.
+	- Fix for new splint on FreeBSD.  Fix cast for sockaddr_un.sun_len.
+
+9 September 2016: Wouter
+	- Fix #831: workaround for spurious fread_chk warning against petal.c
+
+5 September 2016: Ralph
+	- Take configured minimum TTL into consideration when reducing TTL
+	  to original TTL from RRSIG.
+
+5 September 2016: Wouter
+	- Fix #829: doc of sldns_wire2str_rdata_buf() return value has an
+	  off-by-one typo, from Jinmei Tatuya (Infoblox).
+	- Fix incomplete prototypes reported by Dag-Erling Smørgrav.
+	- Fix #828: missing type in access-control-tag-action redirect results
+	  in NXDOMAIN.
+
+2 September 2016: Wouter
+	- Fix compile with openssl 1.1.0 with api=1.1.0.
+
+1 September 2016: Wouter
+	- RFC 7958 is now out, updated docs for unbound-anchor.
+	- Fix for compile without warnings with openssl 1.1.0.
+	- Fix #826: Fix refuse_non_local could result in a broken response.
+	- iana portlist update.
+
+29 August 2016: Wouter
+	- Fix #777: OpenSSL 1.1.0 compatibility, patch from Sebastian A.
+	  Siewior.
+	- Add default root hints for IPv6 E.ROOT-SERVERS.NET, 2001:500:a8::e.
+
+25 August 2016: Ralph
+	- Clarify local-zone-override entry in unbound.conf.5 
+	
+25 August 2016: Wouter
+	- 64bit build option for makedist windows compile, -w64.
+
+24 August 2016: Ralph
+	- Fix #820: set sldns_str2wire_rr_buf() dual meaning len parameter
+	  in each iteration in find_tag_datas().
+	- unbound.conf.5 entries for define-tag, access-control-tag,
+	  access-control-tag-action, access-control-tag-data, local-zone-tag,
+	  and local-zone-override.
+	  
+23 August 2016: Wouter
+	- Fix #804: unbound stops responding after outage.  Fixes queries
+	  that attempt to wait for an empty list of subqueries.
+	- Fix #804: lower num_target_queries for iterator also for failed
+	  lookups.
+
+8 August 2016: Wouter
+	- Note that OPENPGPKEY type is RFC 7929.
+
+4 August 2016: Wouter
+	- Fix #807: workaround for possible some "unused" function parameters
+	  in test code, from Jinmei Tatuya.
+
+3 August 2016: Wouter
+	- use sendmsg instead of sendto for TFO.
+
+28 July 2016: Wouter
+	- Fix #806: wrong comment removed.
+
+26 July 2016: Wouter
+	- nicer ratelimit-below-domain explanation.
+
+22 July 2016: Wouter
+	- Fix #801: missing error condition handling in
+	  daemon_create_workers().
+	- Fix #802: workaround for function parameters that are "unused"
+	  without log_assert.
+	- Fix #803: confusing (and incorrect) code comment in daemon_cleanup().
+
+20 July 2016: Wouter
+	- Fix typo in unbound.conf.
+
+18 July 2016: Wouter
+	- Fix #798: Client-side TCP fast open fails (Linux).
+
+14 July 2016: Wouter
+	- TCP Fast open patch from Sara Dickinson.
+	- Fixed unbound.doxygen for 1.8.11.
+
+7 July 2016: Wouter
+	- access-control-tag-data implemented. verbose(4) prints tag debug.
+
+5 July 2016: Wouter
+	- Fix dynamic link of anchor-update.exe on windows.
+	- Fix detect of mingw for MXE package build.
+	- Fixes for 64bit windows compile.
+	- Fix #788 for nettle 3.0: Failed to build with Nettle >= 3.0 and
+	  --with-libunbound-only --with-nettle.
+
+4 July 2016: Wouter
+	- For #787: prefer-ip6 option for unbound.conf prefers to send
+	  upstream queries to ipv6 servers.
+	- Fix #787: outgoing-interface netblock/64 ipv6 option to use linux
+	  freebind to use 64bits of entropy for every query with random local
+	  part.
+
+30 June 2016: Wouter
+	- Document always_transparent, always_refuse, always_nxdomain types.
+
+29 June 2016: Wouter
+	- Fix static compile on windows missing gdi32.
+
+28 June 2016: Wouter
+	- Create a pkg-config file for libunbound in contrib.
+
+27 June 2016: Wouter
+	- Fix #784: Build configure assumess that having getpwnam means there
+	  is endpwent function available.
+	- Updated repository with newer flex and bison output.
+
+24 June 2016: Ralph
+	- Possibility to specify local-zone type for an acl/tag pair
+	- Possibility to specify (override) local-zone type for a source address
+	  block
+16 June 2016: Ralph
+	- Decrease dp attempts at each QNAME minimisation iteration
+
+16 June 2016: Wouter
+	- Fix tcp timeouts in tv.usec.
+
+15 June 2016: Wouter
+	- TCP_TIMEOUT is specified in milliseconds.
+	- If more than half of tcp connections are in use, a shorter timeout
+	  is used (200 msec, vs 2 minutes) to pressure tcp for new connects.
+
+14 June 2016: Ralph
+	- QNAME minimisation unit test for dropped QTYPE=A queries.
+
+14 June 2016: Wouter
+	- Fix 775: unbound-host and unbound-anchor crash on windows, ignore
+	  null delete for wsaevent.
+	- Fix spelling in freebind option man page text.
+	- Fix windows link of ssl with crypt32.
+	- Fix 779: Union casting is non-portable.
+	- Fix 780: MAP_ANON not defined in HP-UX 11.31.
+	- Fix 781: prealloc() is an HP-UX system library call.
+
+13 June 2016: Ralph
+	- Use QTYPE=A for QNAME minimisation.
+	- Keep track of number of time-outs when performing QNAME minimisation.
+	  Stop minimising when number of time-outs for a QNAME/QTYPE pair is
+	  more than three.
+
+13 June 2016: Wouter
+	- Fix #778: unbound 1.5.9: -h segfault (null deref).
+	- Fix directory: fix for unbound-checkconf, it restores cwd.
+
+10 June 2016: Wouter
+	- And delete service.conf.shipped on uninstall.
+	- In unbound.conf directory: dir immediately changes to that directory,
+	  so that include: file below that is relative to that directory.
+	  With chroot, make the directory an absolute path inside chroot.
+	- keep debug symbols in windows build.
+	- do not delete service.conf on windows uninstall.
+	- document directory immediate fix and allow EXECUTABLE syntax in it
+	  on windows.
+
+9 June 2016: Wouter
+	- Trunk is called 1.5.10 (with previous fixes already in there to 2
+	  june).
+	- Revert fix for NetworkService account on windows due to breakage
+	  it causes.
+	- Fix that windows install will not overwrite existing service.conf
+	  file (and ignore gui config choices if it exists).
+
+7 June 2016: Ralph
+	- Lookup localzones by taglist from acl.
+	- Possibility to lookup local_zone, regardless the taglist.
+	- Added local_zone/taglist/acl unit test.
+
+7 June 2016: Wouter
+	- Fix #773: Non-standard Python location build failure with pyunbound.
+	- Improve threadsafety for openssl 0.9.8 ecdsa dnssec signatures.
+
+6 June 2016: Wouter
+	- Better help text from -h (from Ray Griffith).
+	- access-control-tag config directive.
+	- local-zone-override config directive.
+	- access-control-tag-action and access-control-tag-data config
+	  directives.
+	- free acl-tags, acltag-action and acltag-data config lists during
+	  initialisation to free up memory for more entries.
+
+3 June 2016: Wouter
+	- Fix to not ignore return value of chown() in daemon startup.
+
+2 June 2016: Wouter
+	- Fix libubound for edns optlist feature.
+	- Fix distinction between free and CRYPTO_free in dsa and ecdsa alloc.
+	- Fix #752: retry resource temporarily unavailable on control pipe.
+	- un-document localzone tags.
+	- tag for release 1.5.9rc1.
+	  And this also became release 1.5.9.
+	- Fix (for 1.5.10): Fix unbound-anchor.exe file location defaults to
+	  Program Files with (x86) appended.
+	- re-documented localzone tags in example.conf.
+
+31 May 2016: Wouter
+	- Fix windows service to be created run with limited rights, as a
+	  network service account, from Mario Turschmann.
+	- compat strsep implementation.
+	- generic edns option parse and store code.
+	- and also generic edns options for upstream messages (and replies).
+	  after parse use edns_opt_find(edns.opt_list, LDNS_EDNS_NSID),
+	  to insert use edns_opt_append(edns, region, code, len, bindata) on
+	  the opt_list passed to send_query, or in edns_opt_inplace_reply.
+
+30 May 2016: Wouter
+	- Fix time in case answer comes from cache in ub_resolve_event().
+	- Attempted fix for #765: _unboundmodule missing for python3.
+
+27 May 2016: Wouter
+	- Fix #770: Small subgroup attack on DH used in unix pipe on localhost
+	  if unbound control uses a unix local named pipe.
+	- Document write permission to directory of trust anchor needed.
+	- Fix #768:  Unbound Service Sometimes Can Not Shutdown
+	  Completely, WER Report Shown Up.  Close handle before closing WSA.
+
+26 May 2016: Wouter
+	- Updated patch from Charles Walker.
+
+24 May 2016: Wouter
+	- disable-dnssec-lame-check config option from Charles Walker.
+	- remove memory leak from lame-check patch.
+	- iana portlist update.
+
+23 May 2016: Wouter
+	- Fix #767:  Reference to an expired Internet-Draft in
+	  harden-below-nxdomain documentation.
+
+20 May 2016: Ralph
+	- No QNAME minimisation fall-back for NXDOMAIN answers from DNSSEC 
+	  signed zones.
+	- iana portlist update.
+
+19 May 2016: Wouter
+	- Fix #766: dns64 should synthesize results on timeout/errors.
+
+18 May 2016: Wouter
+	- Fix #761: DNSSEC LAME false positive resolving nic.club.
+
+17 May 2016: Wouter
+	- trunk updated with output of flex 2.6.0.
+
+6 May 2016: Wouter
+	- Fix memory leak in out-of-memory conditions of local zone add.
+
+29 April 2016: Wouter
+	- Fix sldns with static checking fixes copied from getdns.
+
+28 April 2016: Wouter
+	- Fix #759: 0x20 capsforid no longer checks type PTR, for
+	  compatibility with cisco dns guard.  This lowers false positives.
+
+18 April 2016: Wouter
+	- Fix some malformed reponses to edns queries get fallback to nonedns.
+
+15 April 2016: Wouter
+	- cachedb module event handling design.
+
+14 April 2016: Wouter
+	- cachedb module framework (empty).
+	- iana portlist update.
+
+12 April 2016: Wouter
+	- Fix #753: document dump_requestlist is for first thread.
+
+24 March 2016: Wouter
+	- Document permit-small-holddown for 5011 debug.
+	- Fix #749: unbound-checkconf gets SIGSEGV when use against a
+	  malformatted conf file.
+
+23 March 2016: Wouter
+	- OpenSSL 1.1.0 portability, --disable-dsa configure option.
+
+21 March 2016: Wouter
+	- Fix compile of getentropy_linux for SLES11 servicepack 4.
+	- Fix dnstap-log-resolver-response-messages, from Nikolay Edigaryev.
+	- Fix test for openssl to use HMAC_Update for 1.1.0.
+	- acx_nlnetlabs.m4 to v33, with HMAC_Update.
+	- acx_nlnetlabs.m4 to v34, with -ldl -pthread test for libcrypto.
+	- ERR_remove_state deprecated since openssl 1.0.0.
+	- OPENSSL_config is deprecated, removing.
+
+18 March 2016: Ralph
+	- Validate QNAME minimised NXDOMAIN responses.
+	- If QNAME minimisation is enabled, do cache lookup for QTYPE NS in
+	  harden-below-nxdomain.
+
+17 March 2016: Ralph
+	- Limit number of QNAME minimisation iterations.
+
+17 March 2016: Wouter
+	- Fix #746: Fix unbound sets CD bit on all forwards.
+	  If no trust anchors, it'll not set CD bit when forwarding to another
+	  server.  If a trust anchor, no CD bit on the first attempt to a
+	  forwarder, but CD bit thereafter on repeated attempts to get DNSSEC.
+	- iana portlist update.
+
+16 March 2016: Wouter
+	- Fix ip-transparent for ipv6 on FreeBSD, thanks to Nick Hibma.
+	- Fix ip-transparent for tcp on freebsd.
+
+15 March 2016: Wouter
+	- ip_freebind: yesno option in unbound.conf sets IP_FREEBIND for
+	  binding to an IP address while the interface or address is down.
+
+14 March 2016: Wouter
+	- Fix warnings in ifdef corner case, older or unknown libevent.
+	- Fix compile for ub_event code with older libev.
+
+11 March 2016: Wouter
+	- Remove warning about unused parameter in event_pluggable.c.
+	- Fix libev usage of dispatch return value.
+	- No side effects in tolower() call, in case it is a macro.
+	- For test put free in pluggable api in parenthesis.
+
+10 March 2016: Wouter
+	- Fixup backend2str for libev.
+
+09 March 2016: Willem
+	- User defined pluggable event API for libunbound
+	- Fixup of compile fix for pluggable event API from P.Y. Adi
+	  Prasaja.
+
+09 March 2016: Wouter
+	- Updated configure and ltmain.sh.
+	- Updated L root IPv6 address.
+
+07 March 2016: Wouter
+	- Fix #747: assert in outnet_serviced_query_stop.
+	- iana ports fetched via https.
+	- iana portlist update.
+
+03 March 2016: Wouter
+	- configure tests for the weak attribute support by the compiler.
+
+02 March 2016: Wouter
+	- 1.5.8 release tag
+	- trunk contains 1.5.9 in development.
+	- iana portlist update.
+	- Fix #745: unbound.py - idn2dname throws UnicodeError when idnname
+	  contains trailing dot.
+
+24 February 2016: Wouter
+	- Fix OpenBSD asynclook lock free that gets used later (fix test code).
+	- Fix that NSEC3 negative cache is used when there is no salt.
+
+23 February 2016: Wouter
+	- ub_ctx_set_stub() function for libunbound to config stub zones.
+	- sorted ubsyms.def file with exported libunbound functions.
+
+19 February 2016: Wouter
+	- Print understandable debug log when unusable DS record is seen.
+	- load gost algorithm if digest is seen before key algorithm.
+	- iana portlist update.
+
+17 February 2016: Wouter
+	- Fix that "make install" fails due to "text file busy" error.
+
+16 February 2016: Wouter
+	- Set IPPROTO_IP6 for ipv6 sockets otherwise invalid argument error.
+
+15 February 2016: Wouter
+	- ip-transparent option for FreeBSD with IP_BINDANY socket option.
+	- wait for sendto to drain socket buffers when they are full.
+
+9 February 2016: Wouter
+	- Test for type OPENPGPKEY.
+	- insecure-lan-zones: yesno config option, patch from Dag-Erling
+	  Smørgrav.
+
+8 February 2016: Wouter
+	- Fix patch typo in prevuous commit for 734 from Adi Prasaja.
+	- RR Type CSYNC support RFC 7477, in debug printout and config input.
+	- RR Type OPENPGPKEY support (draft-ietf-dane-openpgpkey-07).
+
+29 January 2016: Wouter
+	- Neater cmdline_verbose increment patch from Edgar Pettijohn.
+
+27 January 2016: Wouter
+	- Made netbsd sendmsg test nonfatal, in case of false positives.
+	- Fix #741: log message for dnstap socket connection is more clear.
+
+26 January 2016: Wouter
+	- Fix #734: chown the pidfile if it resides inside the chroot.
+	- Use arc4random instead of random in tests (because it is
+	  available, possibly as compat, anyway).
+	- Fix cmsg alignment for argument to sendmsg on NetBSD.
+	- Fix that unbound complains about unimplemented IP_PKTINFO for
+	  sendmsg on NetBSD (for interface-automatic).
+
+25 January 2016: Wouter
+	- Fix #738: Swig should not be invoked with CPPFLAGS.
+
+19 January 2016: Wouter
+	- Squelch 'cannot assign requested address' log messages unless
+	  verbosity is high, it was spammed after network down.
+
+14 January 2016: Wouter
+	- Fix to simplify empty string checking from Michael McConville.
+	- iana portlist update.
+
+12 January 2016: Wouter
+	- Fix #734: Do not log an error when the PID file cannot be chown'ed.
+	  Patch from Simon Deziel.
+
+11 January 2016: Wouter
+	- Fix test if -pthreads unused to use better grep for portability.
+
+06 January 2016: Wouter
+	- Fix mingw crosscompile for recent mingw.
+	- Update aclocal, autoconf output with new versions (1.15, 2.4.6).
+
+05 January 2016: Wouter
+	- #731: tcp-mss, outgoing-tcp-mss options for unbound.conf, patch
+	  from Daisuke Higashi.
+	- Support RFC7686: handle ".onion" Special-Use Domain. It is blocked
+	  by default, and can be unblocked with "nodefault" localzone config.
+
+04 January 2016: Wouter
+	- Define DEFAULT_SOURCE together with BSD_SOURCE when that is defined,
+	  for Linux glibc 2.20.
+	- Fixup contrib/aaaa-filter-iterator.patch for moved contents in the
+	  source code, so it applies cleanly again.  Removed unused variable
+	  warnings.
+
+15 December 2015: Ralph
+	- Fix #729: omit use of escape sequences in echo since they are not 
+	  portable (unbound-control-setup).
+
+11 December 2015: Wouter
+	- remove NULL-checks before free, patch from Michael McConville.
+	- updated ax_pthread.m4 to version 21 with clang support, this
+	  removes a warning from compilation.
+	- OSX portability, detect if sbrk is deprecated.
+	- OSX clang, stop -pthread unused during link stage warnings.
+	- OSX clang new flto check.
+
+10 December 2015: Wouter
+	- 1.5.7 release
+	- trunk has 1.5.8 in development.
+
+8 December 2015: Wouter
+	- Fixup 724 for unbound-control.
+
+7 December 2015: Ralph
+	- Do not minimise forwarded requests.
+
+4 December 2015: Wouter
+	- Removed unneeded whitespace from example.conf.
+
+3 December 2015: Ralph
+	- (after rc1 tag)
+	- Committed fix to qname minimisation and unit test case for it.
+	
+3 December 2015: Wouter
+	- iana portlist update.
+	- 1.5.7rc1 prerelease tag.
+
+2 December 2015: Wouter
+	- Fixup 724: Fix PCA prompt for unbound-service-install.exe.
+	  re-enable stdout printout.
+	- For 724: Add Changelog to windows binary dist.
+
+1 December 2015: Ralph
+	- Qname minimisation review fixes
+
+1 December 2015: Wouter
+	- Fixup 724 fix for fname_after_chroot() calls.
+	- Remove stdout printout for unbound-service-install.exe
+	- .gitignore for git users.
+
+30 November 2015: Ralph
+	- Implemented qname minimisation
+
+30 November 2015: Wouter
+	- Fix for #724: conf syntax to read files from run dir (on Windows).
+
+25 November 2015: Wouter
+	- Fix for #720, fix unbound-control-setup windows batch file.
+
+24 November 2015: Wouter
+	- Fix #720: add windows scripts to zip bundle.
+	- iana portlist update.
+
+20 November 2015: Wouter
+	- Added assert on rrset cache correctness.
+	- Fix that malformed EDNS query gets a response without malformed EDNS.
+
+18 November 2015: Wouter
+	- newer acx_nlnetlabs.m4.
+	- spelling fixes from Igor Sobrado Delgado.
+
+17 November 2015: Wouter
+	- Fix #594. libunbound: optionally use libnettle for crypto.
+	  Contributed by Luca Bruno.  Added --with-nettle for use with
+	  --with-libunbound-only.
+	- refactor nsec3 hash implementation to be more library-portable.
+	- iana portlist update.
+	- Fixup DER encoded DSA signatures for libnettle.
+
+16 November 2015: Wouter
+	- Fix for lenient accept of reverse order DNAME and CNAME.
+
+6 November 2015: Wouter
+	- Change example.conf: ftp.internic.net to https://www.internic.net
+
+5 November 2015: Wouter
+	- ACX_SSL_CHECKS no longer adds -ldl needlessly.
+
+3 November 2015: Wouter
+	- Fix #718: Fix unbound-control-setup with support for env
+	  without HEREDOC bash support.
+
+29 October 2015: Wouter
+	- patch from Doug Hogan for SSL_OP_NO_SSLvx options.
+	- Fix #716: nodata proof with empty non-terminals and wildcards.
+
+28 October 2015: Wouter
+	- Fix checklock testcode for linux threads on exit.
+
+27 October 2015: Wouter
+	- isblank() compat implementation.
+	- detect libexpat without xml_StopParser function.
+	- portability fixes.
+	- portability, replace snprintf if return value broken.
+
+23 October 2015: Wouter
+	- Fix #714: Document config to block private-address for IPv4
+	  mapped IPv6 addresses.
+
+22 October 2015: Wouter
+	- Fix #712: unbound-anchor appears to not fsync root.key.
+
+20 October 2015: Wouter
+	- 1.5.6 release.
+	- trunk tracks development of 1.5.7.
+
+15 October 2015: Wouter
+	- Fix segfault in the dns64 module in the formaterror error path.
+	- Fix sldns_wire2str_rdata_scan for malformed RRs.
+	- tag for 1.5.6rc1 release.
+
+14 October 2015: Wouter
+	- ANY responses include DNAME records if present, as per Evan Hunt's
+	  remark in dnsop.
+	- Fix manpage to suggest using SIGTERM to terminate the server.
+
+9 October 2015: Wouter
+	- Default for ssl-port is port 853, the temporary port assignment
+	  for secure domain name system traffic.
+	  If you used to rely on the older default of port 443, you have
+	  to put a clause in unbound.conf for that.  The new value is likely
+	  going to be the standardised port number for this traffic.
+	- iana portlist update.
+
+6 October 2015: Wouter
+	- 1.5.5 release.
+	- trunk tracks the development of 1.5.6.
+
 28 September 2015: Wouter
 	- MAX_TARGET_COUNT increased to 64, to fix up sporadic resolution
 	  failures.
@@ -731,7 +1312,7 @@
 	  existence in 4592.  NSEC empty non-terminals exist and thus the
 	  RCODE should have been NOERROR. If this occurs, and the RRsets
 	  are secure, we set the RCODE to NOERROR and the security status
-	  of the reponse is also considered secure.
+	  of the response is also considered secure.
 
 14 February 2014: Wouter
 	- Works on Minix (3.2.1).
@@ -1503,7 +2084,7 @@
 	- Fix getaddrinfowithincludes on windows with fedora16 mingw32-gcc.
 	- Fix warnings with gcc 4.6 in compat/inet_ntop.c.
 	- Fix warning unused in compat/strptime.c.
-	- Fix malloc detection and double defintion.
+	- Fix malloc detection and double definition.
 
 2 December 2011: Wouter
 	- configure generated with autoconf 2.68.
@@ -4948,7 +5529,7 @@
 	- Advertise builtin select libevent alternative when no libevent
 	  is found.
 	- signit can generate NSEC3 hashes, for generating tests.
-	- multiple nsec3 paramaters in message test.
+	- multiple nsec3 parameters in message test.
 	- too high nsec3 iterations becomes insecure test.
 
 21 September 2007: Wouter
@@ -5019,7 +5600,7 @@
 	- testbound can replay a TCP query (set MATCH TCP in the QUERY).
 	- DS and noDS referral validation test.
 	- if you configure many trust anchors, parent trust anchors can
-	  securely deny existance of child trust anchors, if validated.
+	  securely deny existence of child trust anchors, if validated.
 	- not all *.name NSECs are present because a wildcard was matched,
 	  and *.name NSECs can prove nodata for empty nonterminals.
 	  Also, for wildcard name NSECs, check they are not from the parent
@@ -5326,7 +5907,7 @@
 
 17 July 2007: Wouter
 	- forward zone options in config file.
-	- forward per zone in iterator. takes precendence over stubs.
+	- forward per zone in iterator. takes precedence over stubs.
 	- fixup commithooks.
 	- removed forward-to and forward-to-port features, subsumed by
 	  new forward zones.
@@ -5427,7 +6008,7 @@
 	  ldns and libevent are linked statically. Default is off.
 	- make install and make uninstall. Works with static-exe and without.
 	  installation of unbound binary and manual pages.
-	- alignement problem fix on solaris 64.
+	- alignment problem fix on solaris 64.
 	- fixup address in case of TCP error.
 
 12 June 2007: Wouter
@@ -5510,7 +6091,7 @@
 	- removed FLAG_CD from message and rrset caches. This was useful for
 	  an agnostic forwarder, but not for a sophisticated (trust value per
 	  rrset enabled) cache.
-	- iterator reponse typing.
+	- iterator response typing.
 	- iterator cname handle.
 	- iterator prime start.
 	- subquery work.
@@ -5530,7 +6111,7 @@
 	- Acknowledge use of unbound-java code in iterator. Nicer readme.
 	- services/cache/dns.c DNS Cache. Hybrid cache uses msgcache and
 	  rrset cache from module environment.
-	- packed rrset key has type and class as easily accessable struct
+	- packed rrset key has type and class as easily accessible struct
 	  members. They are still kept in network format for fast msg encode.
 	- dns cache find_delegation routine.
 	- iterator main functions setup.
@@ -5614,7 +6195,7 @@
 	- EDNS read from query, used to make reply smaller.
 	- advertised edns value constants.
 	- EDNS BADVERS response, if asked for too high edns version.
-	- EDNS extended error reponses once the EDNS record from the query
+	- EDNS extended error responses once the EDNS record from the query
 	  has successfully been parsed.
 
 4 May 2007: Wouter

doc/example.conf.in

@@ -8,7 +8,7 @@
 #Use this to include other text into the file.
 #include: "otherfile.conf"
 
-# The server clause sets the main parameters. 
+# The server clause sets the main parameters.
 server:
 	# whitespace is not necessary, but looks cleaner.
 
@@ -40,7 +40,7 @@ server:
 	# interface: 2001:DB8::5
 
 	# enable this feature to copy the source address of queries to reply.
-	# Socket options are not supported on all platforms. experimental. 
+	# Socket options are not supported on all platforms. experimental.
 	# interface-automatic: no
 
 	# port to answer queries from
@@ -52,6 +52,15 @@ server:
 	# outgoing-interface: 192.0.2.153
 	# outgoing-interface: 2001:DB8::5
 	# outgoing-interface: 2001:DB8::6
+	
+	# Specify a netblock to use remainder 64 bits as random bits for
+	# upstream queries.  Uses freebind option (Linux).
+	# outgoing-interface: 2001:DB8::/64
+	# Also (Linux:) ip -6 addr add 2001:db8::/64 dev lo
+	# And: ip -6 route add local 2001:db8::/64 dev lo
+	# And set prefer-ip6: yes to use the ip6 randomness from a netblock.
+	# Set this to yes to prefer ipv6 upstream servers over ipv4.
+	# prefer-ip6: no
 
 	# number of ports to allocate per thread, determines the size of the
 	# port range that can be open simultaneously.  About double the
@@ -84,14 +93,20 @@ server:
 	# buffer size for UDP port 53 outgoing (SO_SNDBUF socket option).
 	# 0 is system default.  Use 4m to handle spikes on very busy servers.
 	# so-sndbuf: 0
-	
+
 	# use SO_REUSEPORT to distribute queries over threads.
 	# so-reuseport: no
-	
+
 	# use IP_TRANSPARENT so the interface: addresses can be non-local
 	# and you can config non-existing IPs that are going to work later on
+	# (uses IP_BINDANY on FreeBSD).
 	# ip-transparent: no
 
+	# use IP_FREEBIND so the interface: addresses can be non-local
+	# and you can bind to nonexisting IPs and interfaces that are down.
+	# Linux only.  On Linux you also have ip-transparent that is similar.
+	# ip-freebind: no
+
 	# EDNS reassembly buffer to advertise to UDP peers (the actual buffer
 	# is set with msg-buffer-size). 1480 can solve fragmentation (timeouts).
 	# edns-buffer-size: 4096
@@ -105,7 +120,7 @@ server:
 	# msg-buffer-size: 65552
 
 	# the amount of memory to use for the message cache.
-	# plain value in bytes or you can append k, m or G. default is "4Mb". 
+	# plain value in bytes or you can append k, m or G. default is "4Mb".
 	# msg-cache-size: 4m
 
 	# the number of slabs to use for the message cache.
@@ -118,12 +133,12 @@ server:
 
 	# if very busy, 50% queries run to completion, 50% get timeout in msec
 	# jostle-timeout: 200
-	
+
 	# msec to wait before close of port on timeout UDP. 0 disables.
 	# delay-close: 0
 
 	# the amount of memory to use for the RRset cache.
-	# plain value in bytes or you can append k, m or G. default is "4Mb". 
+	# plain value in bytes or you can append k, m or G. default is "4Mb".
 	# rrset-cache-size: 4m
 
 	# the number of slabs to use for the RRset cache.
@@ -145,7 +160,7 @@ server:
 	# the time to live (TTL) value for cached roundtrip times, lameness and
 	# EDNS version information for hosts. In seconds.
 	# infra-host-ttl: 900
-	
+
 	# minimum wait time for responses, increase if uplink is long. In msec.
 	# infra-cache-min-rtt: 50
 
@@ -156,6 +171,10 @@ server:
 
 	# the maximum number of hosts that are cached (roundtrip, EDNS, lame).
 	# infra-cache-numhosts: 10000
+	
+	# define a number of tags here, use with local-zone, access-control.
+	# repeat the define-tag statement to add additional tags.
+	# define-tag: "tag1 tag2 tag3"
 
 	# Enable IPv4, "yes" or "no".
 	# do-ip4: yes
@@ -173,6 +192,14 @@ server:
 	# useful for tunneling scenarios, default no.
 	# tcp-upstream: no
 
+	# Maximum segment size (MSS) of TCP socket on which the server
+	# responds to queries. Default is 0, system default MSS.
+	# tcp-mss: 0
+
+	# Maximum segment size (MSS) of TCP socket for outgoing queries.
+	# Default is 0, system default MSS.
+	# outgoing-tcp-mss: 0
+
 	# Detach from the terminal, run in background, "yes" or "no".
 	# do-daemonize: yes
 
@@ -189,14 +216,28 @@ server:
 	# access-control: ::1 allow
 	# access-control: ::ffff:127.0.0.1 allow
 
+	# tag access-control with list of tags (in "" with spaces between)
+	# Clients using this access control element use localzones that
+	# are tagged with one of these tags.
+	# access-control-tag: 192.0.2.0/24 "tag2 tag3"
+
+	# set action for particular tag for given access control element
+	# if you have multiple tag values, the tag used to lookup the action
+	# is the first tag match between access-control-tag and local-zone-tag
+	# where "first" comes from the order of the define-tag values.
+	# access-control-tag-action: 192.0.2.0/24 tag3 refuse
+
+	# set redirect data for particular tag for access control element
+	# access-control-tag-data: 192.0.2.0/24 tag2 "A 127.0.0.1"
+
 	# if given, a chroot(2) is done to the given directory.
 	# i.e. you can chroot to the working directory, for example,
 	# for extra security, but make sure all files are in that directory.
 	#
 	# If chroot is enabled, you should pass the configfile (from the
 	# commandline) as a full path from the original root. After the
-	# chroot has been performed the now defunct portion of the config 
-	# file path is removed to be able to reread the config after a reload. 
+	# chroot has been performed the now defunct portion of the config
+	# file path is removed to be able to reread the config after a reload.
 	#
 	# All other file paths (working dir, logfile, roothints, and
 	# key files) can be specified in several ways:
@@ -205,7 +246,7 @@ server:
 	# 	o as an absolute path relative to the original root.
 	# In the last case the path is adjusted to remove the unused portion.
 	#
-	# The pid file can be absolute and outside of the chroot, it is 
+	# The pid file can be absolute and outside of the chroot, it is
 	# written just prior to performing the chroot and dropping permissions.
 	#
 	# Additionally, unbound may need to access /dev/random (for entropy).
@@ -219,22 +260,24 @@ server:
 	# If you give "" no privileges are dropped.
 	# username: "@UNBOUND_USERNAME@"
 
-	# the working directory. The relative files in this config are 
+	# the working directory. The relative files in this config are
 	# relative to this directory. If you give "" the working directory
 	# is not changed.
+	# If you give a server: directory: dir before include: file statements
+	# then those includes can be relative to the working directory.
 	# directory: "@UNBOUND_RUN_DIR@"
 
-	# the log file, "" means log to stderr. 
+	# the log file, "" means log to stderr.
 	# Use of this option sets use-syslog to "no".
 	# logfile: ""
 
-	# Log to syslog(3) if yes. The log facility LOG_DAEMON is used to 
+	# Log to syslog(3) if yes. The log facility LOG_DAEMON is used to
 	# log to, with identity "unbound". If yes, it overrides the logfile.
-	# use-syslog: yes 
+	# use-syslog: yes
 
 	# print UTC timestamp in ascii to logfile, default is epoch in seconds.
 	# log-time-ascii: no
-	
+
 	# print one line with time, IP, name, type, class for every query.
 	# log-queries: no
 
@@ -242,7 +285,7 @@ server:
 	# pidfile: "@UNBOUND_PIDFILE@"
 
 	# file to read root hints from.
-	# get one from ftp://FTP.INTERNIC.NET/domain/named.cache
+	# get one from https://www.internic.net/domain/named.cache
 	# root-hints: ""
 
 	# enable to not answer id.server and hostname.bind queries.
@@ -258,8 +301,8 @@ server:
 	# version: ""
 
 	# the target fetch policy.
-	# series of integers describing the policy per dependency depth. 
-	# The number of values in the list determines the maximum dependency 
+	# series of integers describing the policy per dependency depth.
+	# The number of values in the list determines the maximum dependency
 	# depth the recursor will pursue before giving up. Each integer means:
 	# 	-1 : fetch all targets opportunistically,
 	# 	0: fetch on demand,
@@ -267,17 +310,17 @@ server:
 	# Enclose the list of numbers between quotes ("").
 	# target-fetch-policy: "3 2 1 0 0"
 
-	# Harden against very small EDNS buffer sizes. 
+	# Harden against very small EDNS buffer sizes.
 	# harden-short-bufsize: no
 
 	# Harden against unseemly large queries.
 	# harden-large-queries: no
 
-	# Harden against out of zone rrsets, to avoid spoofing attempts. 
+	# Harden against out of zone rrsets, to avoid spoofing attempts.
 	# harden-glue: yes
 
 	# Harden against receiving dnssec-stripped data. If you turn it
-	# off, failing to validate dnskey data for a trustanchor will 
+	# off, failing to validate dnskey data for a trustanchor will
 	# trigger insecure mode for that zone (like without a trustanchor).
 	# Default on, which insists on dnssec data for trust-anchored zones.
 	# harden-dnssec-stripped: yes
@@ -287,7 +330,7 @@ server:
 
         # Harden the referral path by performing additional queries for
 	# infrastructure data.  Validates the replies (if possible).
-	# Default off, because the lookups burden the server.  Experimental 
+	# Default off, because the lookups burden the server.  Experimental
 	# implementation of draft-wijngaards-dnsext-resolver-side-mitigation.
 	# harden-referral-path: no
 
@@ -296,18 +339,24 @@ server:
 	# to validate the zone.
 	# harden-algo-downgrade: no
 
+	# Sent minimum amount of information to upstream servers to enhance
+	# privacy. Only sent minimum required labels of the QNAME and set QTYPE
+	# to NS when possible.
+	# qname-minimisation: no
+
 	# Use 0x20-encoded random bits in the query to foil spoof attempts.
 	# This feature is an experimental implementation of draft dns-0x20.
 	# use-caps-for-id: no
-	
+
 	# Domains (and domains in them) without support for dns-0x20 and
 	# the fallback fails because they keep sending different answers.
 	# caps-whitelist: "licdn.com"
+	# caps-whitelist: "senderbase.org"
 
-	# Enforce privacy of these addresses. Strips them away from answers. 
-	# It may cause DNSSEC validation to additionally mark it as bogus. 
-	# Protects against 'DNS Rebinding' (uses browser as network proxy). 
-	# Only 'private-domain' and 'local-data' names are allowed to have 
+	# Enforce privacy of these addresses. Strips them away from answers.
+	# It may cause DNSSEC validation to additionally mark it as bogus.
+	# Protects against 'DNS Rebinding' (uses browser as network proxy).
+	# Only 'private-domain' and 'local-data' names are allowed to have
 	# these private addresses. No default.
 	# private-address: 10.0.0.0/8
 	# private-address: 172.16.0.0/12
@@ -315,6 +364,7 @@ server:
 	# private-address: 169.254.0.0/16
 	# private-address: fd00::/8
 	# private-address: fe80::/10
+	# private-address: ::ffff:0:0/96
 
 	# Allow the domain (and its subdomains) to contain private addresses.
 	# local-data statements are allowed to contain private addresses too.
@@ -349,6 +399,9 @@ server:
 	# into response messages when those sections are not required.
 	# minimal-responses: no
 
+	# true to disable DNSSEC lameness check in iterator.
+	# disable-dnssec-lame-check: no
+
 	# module configuration of the server. A string with identifiers
 	# separated by spaces. Syntax: "[dns64] [validator] iterator"
 	# module-config: "validator iterator"
@@ -373,7 +426,7 @@ server:
 	# Zone file format, with DS and DNSKEY entries.
 	# Note this gets out of date, use auto-trust-anchor-file please.
 	# trust-anchor-file: ""
-	
+
 	# Trusted key for validation. DS or DNSKEY. specify the RR on a
 	# single line, surrounded by "". TTL is ignored. class is IN default.
 	# Note this gets out of date, use auto-trust-anchor-file please.
@@ -383,7 +436,7 @@ server:
 
 	# File with trusted keys for validation. Specify more than one file
 	# with several entries, one file per entry. Like trust-anchor-file
-	# but has a different file format. Format is BIND-9 style format, 
+	# but has a different file format. Format is BIND-9 style format,
 	# the trusted-keys { name flag proto algo "key"; }; clauses are read.
 	# you need external update procedures to track changes in keys.
 	# trusted-keys-file: ""
@@ -408,7 +461,7 @@ server:
 
 	# Should additional section of secure message also be kept clean of
 	# unsecure data. Useful to shield the users of this validator from
-	# potential bogus data in the additional section. All unsigned data 
+	# potential bogus data in the additional section. All unsigned data
 	# in the additional section is removed from secure messages.
 	# val-clean-additional: yes
 
@@ -433,7 +486,7 @@ server:
 	# A message with an NSEC3 with larger count is marked insecure.
 	# List in ascending order the keysize and count values.
 	# val-nsec3-keysize-iterations: "1024 150 2048 500 4096 2500"
-	
+
 	# instruct the auto-trust-anchor-file probing to add anchors after ttl.
 	# add-holddown: 2592000 # 30 days
 
@@ -444,11 +497,12 @@ server:
 	# If the value 0 is given, missing anchors are not removed.
 	# keep-missing: 31622400 # 366 days
 
-	# debug option that allows very small holddown times for key rollover
+	# debug option that allows very small holddown times for key rollover,
+	# otherwise the RFC mandates probe intervals must be at least 1 hour.
 	# permit-small-holddown: no
 
 	# the amount of memory to use for the key cache.
-	# plain value in bytes or you can append k, m or G. default is "4Mb". 
+	# plain value in bytes or you can append k, m or G. default is "4Mb".
 	# key-cache-size: 4m
 
 	# the number of slabs to use for the key cache.
@@ -457,7 +511,7 @@ server:
 	# key-cache-slabs: 4
 
 	# the amount of memory to use for the negative cache (used for DLV).
-	# plain value in bytes or you can append k, m or G. default is "1Mb". 
+	# plain value in bytes or you can append k, m or G. default is "1Mb".
 	# neg-cache-size: 1m
 
 	# By default, for a number of zones a small default 'nothing here'
@@ -469,6 +523,7 @@ server:
 	# local-zone: "localhost." nodefault
 	# local-zone: "127.in-addr.arpa." nodefault
 	# local-zone: "1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa." nodefault
+	# local-zone: "onion." nodefault
 	# local-zone: "10.in-addr.arpa." nodefault
 	# local-zone: "16.172.in-addr.arpa." nodefault
 	# local-zone: "17.172.in-addr.arpa." nodefault
@@ -501,18 +556,22 @@ server:
 	# local-zone: "b.e.f.ip6.arpa." nodefault
 	# local-zone: "8.b.d.0.1.0.0.2.ip6.arpa." nodefault
 	# And for 64.100.in-addr.arpa. to 127.100.in-addr.arpa.
-	
-	# if unbound is running service for the local host then it is useful
+
+	# If unbound is running service for the local host then it is useful
 	# to perform lan-wide lookups to the upstream, and unblock the
 	# long list of local-zones above.  If this unbound is a dns server
 	# for a network of computers, disabled is better and stops information
 	# leakage of local lan information.
 	# unblock-lan-zones: no
 
+	# The insecure-lan-zones option disables validation for
+	# these zones, as if they were all listed as domain-insecure.
+	# insecure-lan-zones: no
+
 	# a number of locally served zones can be configured.
 	# 	local-zone: <zone> <type>
 	# 	local-data: "<resource record string>"
-	# o deny serves local data (if any), else, drops queries. 
+	# o deny serves local data (if any), else, drops queries.
 	# o refuse serves local data (if any), else, replies with error.
 	# o static serves local data, else, nxdomain or nodata answer.
 	# o transparent gives local data, but resolves normally for other names
@@ -521,11 +580,13 @@ server:
 	# o typetransparent resolves normally for other types and other names
 	# o inform resolves normally, but logs client IP address
 	# o inform_deny drops queries and logs client IP address
+	# o always_transparent, always_refuse, always_nxdomain, resolve in
+	#   that way but ignore local data for that name.
 	#
 	# defaults are localhost address, reverse for 127.0.0.1 and ::1
 	# and nxdomain for AS112 zones. If you configure one of these zones
 	# the default content is omitted, or you can omit it with 'nodefault'.
-	# 
+	#
 	# If you configure local-data without specifying local-zone, by
 	# default a transparent local-zone is created for the data.
 	#
@@ -547,12 +608,18 @@ server:
 	# you need to do the reverse notation yourself.
 	# local-data-ptr: "192.0.2.3 www.example.com"
 
+	# tag a localzone with a list of tag names (in "" with spaces between)
+	# local-zone-tag: "example.com" "tag2 tag3"
+
+	# add a netblock specific override to a localzone, with zone type
+	# local-zone-override: "example.com" 192.0.2.0/24 refuse
+
 	# service clients over SSL (on the TCP sockets), with plain DNS inside
 	# the SSL stream.  Give the certificate to use and private key.
 	# default is "" (disabled).  requires restart to take effect.
 	# ssl-service-key: "path/to/privatekeyfile.key"
 	# ssl-service-pem: "path/to/publiccertfile.pem"
-	# ssl-port: 443
+	# ssl-port: 853
 
 	# request upstream over SSL (with plain DNS inside the SSL stream).
 	# Default is no.  Can be turned on and off with unbound-control.
@@ -571,7 +638,7 @@ server:
 	# ratelimit-size: 4m
 	# ratelimit cache slabs, reduces lock contention if equal to cpucount.
 	# ratelimit-slabs: 4
-	
+
 	# 0 blocks when ratelimited, otherwise let 1/xth traffic through
 	# ratelimit-factor: 10
 
@@ -580,7 +647,7 @@ server:
 	# ratelimit-for-domain: example.com 1000
 	# override the ratelimits for all domains below a domain name
 	# can give this multiple times, the name closest to the zone is used.
-	# ratelimit-below-domain: example 1000
+	# ratelimit-below-domain: com 1000
 
 # Python config section. To enable:
 # o use --with-pythonmodule to configure before compiling.
@@ -590,7 +657,7 @@ python:
 	# Script file to load
 	# python-script: "@UNBOUND_SHARE_DIR@/ubmodule-tst.py"
 
-# Remote control config section. 
+# Remote control config section.
 remote-control:
 	# Enable remote control with unbound-control(8) here.
 	# set up the keys and certificates with unbound-control-setup.
@@ -621,9 +688,9 @@ remote-control:
 	# control-cert-file: "@UNBOUND_RUN_DIR@/unbound_control.pem"
 
 # Stub zones.
-# Create entries like below, to make all queries for 'example.com' and 
-# 'example.org' go to the given list of nameservers. list zero or more 
-# nameservers by hostname or by ipaddress. If you set stub-prime to yes, 
+# Create entries like below, to make all queries for 'example.com' and
+# 'example.org' go to the given list of nameservers. list zero or more
+# nameservers by hostname or by ipaddress. If you set stub-prime to yes,
 # the list is treated as priming hints (default is no).
 # With stub-first yes, it attempts without the stub if it fails.
 # Consider adding domain-insecure: name and local-zone: name nodefault

doc/libunbound.3.in

@@ -19,6 +19,7 @@
 .B ub_ctx_get_option,
 .B ub_ctx_config,
 .B ub_ctx_set_fwd,
+.B ub_ctx_set_stub,
 .B ub_ctx_resolvconf,
 .B ub_ctx_hosts,
 .B ub_ctx_add_ta,
@@ -65,6 +66,12 @@
 \fBub_ctx_set_fwd\fR(\fIstruct ub_ctx*\fR ctx, \fIchar*\fR addr);
 .LP
 \fIint\fR
+\fBub_ctx_set_stub\fR(\fIstruct ub_ctx*\fR ctx, \fIchar*\fR zone,
+\fIchar*\fR addr,
+.br
+		\fIint\fR isprime);
+.LP
+\fIint\fR
 \fBub_ctx_resolvconf\fR(\fIstruct ub_ctx*\fR ctx, \fIchar*\fR fname);
 .LP
 \fIint\fR
@@ -207,6 +214,15 @@ that case the addresses are used as backup servers.
 At this time it is only possible to set configuration before the
 first resolve is done.
 .TP
+.B ub_ctx_set_stub
+Set a stub zone, authoritative dns servers to use for a particular zone.
+IP4 or IP6 address.  If the address is NULL the stub entry is removed.
+Set isprime true if you configure root hints with it.  Otherwise similar to
+the stub zone item from unbound's config file.  Can be called several times,
+for different zones, or to add multiple addresses for a particular zone.
+At this time it is only possible to set configuration before the
+first resolve is done.
+.TP
 .B ub_ctx_resolvconf
 By default the root servers are queried and full resolver mode is used, but
 you can use this call to read the list of nameservers to use from the

doc/unbound-anchor.8.in

@@ -16,6 +16,8 @@
 .SH "DESCRIPTION"
 .B Unbound\-anchor
 performs setup or update of the root trust anchor for DNSSEC validation.
+The program fetches the trust anchor with the method from RFC7958 when
+regular RFC5011 update fails to bring it up to date.
 It can be run (as root) from the commandline, or run as part of startup
 scripts.  Before you start the \fIunbound\fR(8) DNS server.
 .P
@@ -39,8 +41,8 @@ update certificate files.
 .P
 It tests if the root anchor file works, and if not, and an update is possible,
 attempts to update the root anchor using the root update certificate.
-It performs a https fetch of root-anchors.xml and checks the results, if
-all checks are successful, it updates the root anchor file.  Otherwise
+It performs a https fetch of root-anchors.xml and checks the results (RFC7958), 
+if all checks are successful, it updates the root anchor file.  Otherwise
 the root anchor file is unchanged.  It performs RFC5011 tracking if the
 DNSSEC information available via the DNS makes that possible.
 .P

doc/unbound-control.8.in

@@ -169,7 +169,7 @@ therefore not flushed.  The option must end with a ':' and whitespace
 must be between the option and the value.  Some values may not have an
 effect if set this way, the new values are not written to the config file,
 not all options are supported.  This is different from the set_option call
-in libunbound, where all values work because unbound has not been inited.
+in libunbound, where all values work because unbound has not been initialized.
 .IP
 The values that work are: statistics\-interval, statistics\-cumulative,
 do\-not\-query\-localhost, harden\-short\-bufsize, harden\-large\-queries,

doc/unbound.conf.5.in

@@ -72,7 +72,8 @@ Processing continues as if the text from the included file was copied into
 the config file at that point.  If also using chroot, using full path names
 for the included files works, relative pathnames for the included names work
 if the directory where the daemon is started equals its chroot/working 
-directory.  Wildcards can be used to include multiple files, see \fIglob\fR(7).
+directory or is specified before the include statement with directory: dir.
+Wildcards can be used to include multiple files, see \fIglob\fR(7).
 .SS "Server Options"
 These options are part of the
 .B server:
@@ -126,7 +127,7 @@ Detect source interface on UDP queries and copy them to replies.  This
 feature is experimental, and needs support in your OS for particular socket
 options.  Default value is no.
 .TP
-.B outgoing\-interface: \fI<ip address>
+.B outgoing\-interface: \fI<ip address or ip6 netblock>
 Interface to use to connect to the network. This interface is used to send
 queries to authoritative servers and receive their replies. Can be given 
 multiple times to work on several interfaces. If none are given the 
@@ -136,12 +137,28 @@ and
 .B outgoing\-interface:
 lines, the interfaces are then used for both purposes. Outgoing queries are 
 sent via a random outgoing interface to counter spoofing.
+.IP
+If an IPv6 netblock is specified instead of an individual IPv6 address,
+outgoing UDP queries will use a randomised source address taken from the
+netblock to counter spoofing. Requires the IPv6 netblock to be routed to the
+host running unbound, and requires OS support for unprivileged non-local binds
+(currently only supported on Linux). Several netblocks may be specified with
+multiple
+.B outgoing\-interface:
+options, but do not specify both an individual IPv6 address and an IPv6
+netblock, or the randomisation will be compromised.  Consider combining with
+.B prefer\-ip6: yes
+to increase the likelihood of IPv6 nameservers being selected for queries.
+On Linux you need these two commands to be able to use the freebind socket
+option to receive traffic for the ip6 netblock:
+ip -6 addr add mynetblock/64 dev lo &&
+ip -6 route add local mynetblock/64 dev lo
 .TP
 .B outgoing\-range: \fI<number>
 Number of ports to open. This number of file descriptors can be opened per 
 thread. Must be at least 1. Default depends on compile options. Larger 
 numbers need extra resources from the operating system.  For performance a
-a very large value is best, use libevent to make this possible.
+very large value is best, use libevent to make this possible.
 .TP
 .B outgoing\-port\-permit: \fI<port number or range>
 Permit unbound to open this port or range of ports for use to send queries.
@@ -275,7 +292,14 @@ are going to exist later on, with host failover configuration.  This is
 a lot like interface\-automatic, but that one services all interfaces
 and with this option you can select which (future) interfaces unbound
 provides service on.  This option needs unbound to be started with root
-permissions on some systems.
+permissions on some systems.  The option uses IP_BINDANY on FreeBSD systems.
+.TP
+.B ip\-freebind: \fI<yes or no>
+If yes, then use IP_FREEBIND socket option on sockets where unbound
+is listening to incoming traffic.  Default no.  Allows you to bind to
+IP addresses that are nonlocal or do not exist, like when the network
+interface or IP address is down.  Exists only on Linux, where the similar
+ip\-transparent option is also available.
 .TP
 .B rrset\-cache\-size: \fI<number>
 Number of bytes size of the RRset cache. Default is 4 megabytes.
@@ -322,6 +346,10 @@ Lower limit for dynamic retransmit timeout calculation in infrastructure
 cache. Default is 50 milliseconds. Increase this value if using forwarders
 needing more time to do recursive name resolution.
 .TP
+.B define\-tag: \fI<"list of tags">
+Define the tags that can be used with local\-zone and access\-control.
+Enclose the list between quotes ("") and put spaces between tags.
+.TP
 .B do\-ip4: \fI<yes or no>
 Enable or disable whether ip4 queries are answered or issued. Default is yes.
 .TP
@@ -332,12 +360,32 @@ IPv6 to the internet nameservers.  With this option you can disable the
 ipv6 transport for sending DNS traffic, it does not impact the contents of
 the DNS traffic, which may have ip4 and ip6 addresses in it.
 .TP
+.B prefer\-ip6: \fI<yes or no>
+If enabled, prefer IPv6 transport for sending DNS queries to internet
+nameservers. Default is no.
+.TP
 .B do\-udp: \fI<yes or no>
 Enable or disable whether UDP queries are answered or issued. Default is yes.
 .TP
 .B do\-tcp: \fI<yes or no>
 Enable or disable whether TCP queries are answered or issued. Default is yes.
 .TP
+.B tcp\-mss: \fI<number>
+Maximum segment size (MSS) of TCP socket on which the server responds
+to queries. Value lower than common MSS on Ethernet 
+(1220 for example) will address path MTU problem.
+Note that not all platform supports socket option to set MSS (TCP_MAXSEG).
+Default is system default MSS determined by interface MTU and
+negotiation between server and client.
+.TP
+.B outgoing\-tcp\-mss: \fI<number>
+Maximum segment size (MSS) of TCP socket for outgoing queries
+(from Unbound to other servers). Value lower than
+common MSS on Ethernet (1220 for example) will address path MTU problem.
+Note that not all platform supports socket option to set MSS (TCP_MAXSEG).
+Default is system default MSS determined by interface MTU and
+negotiation between Unbound and other servers.
+.TP
 .B tcp\-upstream: \fI<yes or no>
 Enable or disable whether the upstream queries use TCP only for transport.
 Default is no.  Useful in tunneling scenarios.
@@ -362,7 +410,7 @@ The public key certificate pem file for the ssl service.  Default is "",
 turned off.
 .TP
 .B ssl\-port: \fI<number>
-The port number on which to provide TCP SSL service, default 443, only
+The port number on which to provide TCP SSL service, default 853, only
 interfaces configured with that port number as @number get the SSL service.
 .TP
 .B do\-daemonize: \fI<yes or no>
@@ -409,6 +457,23 @@ allowed full recursion but only the static data.  With deny_non_local,
 messages that are disallowed are dropped, with refuse_non_local they
 receive error code REFUSED.
 .TP
+.B access\-control\-tag: \fI<IP netblock> <"list of tags">
+Assign tags to access-control elements. Clients using this access control
+element use localzones that are tagged with one of these tags. Tags must be
+defined in \fIdefine\-tags\fR.  Enclose list of tags in quotes ("") and put
+spaces between tags. If access\-control\-tag is configured for a netblock that
+does not have an access\-control, an access\-control element with action
+\fIallow\fR is configured for this netblock.
+.TP
+.B access\-control\-tag\-action: \fI<IP netblock> <tag> <action>
+Set action for particular tag for given access control element. If you have
+multiple tag values, the tag used to lookup the action is the first tag match
+between access\-control\-tag and local\-zone\-tag where "first" comes from the
+order of the define-tag values.
+.TP
+.B access\-control\-tag\-data: \fI<IP netblock> <tag> <"resource record string">
+Set redirect data for particular tag for given access control element.
+.TP
 .B chroot: \fI<directory>
 If chroot is enabled, you should pass the configfile (from the
 commandline) as a full path from the original root. After the
@@ -444,6 +509,10 @@ requires privileges, then a reload will fail; a restart is needed.
 .TP
 .B directory: \fI<directory>
 Sets the working directory for the program. Default is "@UNBOUND_RUN_DIR@".
+On Windows the string "%EXECUTABLE%" tries to change to the directory
+that unbound.exe resides in.
+If you give a server: directory: dir before include: file statements
+then those includes can be relative to the working directory.
 .TP
 .B logfile: \fI<filename>
 If "" is given, logging goes to stderr, or nowhere once daemonized.
@@ -481,7 +550,7 @@ kill \-HUP `cat @UNBOUND_PIDFILE@`
 .fi
 triggers a reload,
 .nf
-kill \-QUIT `cat @UNBOUND_PIDFILE@` 
+kill \-TERM `cat @UNBOUND_PIDFILE@` 
 .fi
 gracefully terminates.
 .TP
@@ -552,6 +621,7 @@ might return nxdomain for empty nonterminals (that usually happen for reverse
 IP address lookups), and thus may be incompatible with this.  To try to avoid
 this only DNSSEC-secure nxdomains are used, because the old software does not
 have DNSSEC.  Default is off.
+Currently, draft\-ietf\-dnsop\-nxdomain\-cut promotes this technique.
 .TP
 .B harden\-referral\-path: \fI<yes or no>
 Harden the referral path by performing additional queries for
@@ -585,23 +655,30 @@ queries.  For domains that do not support 0x20 and also fail with fallback
 because they keep sending different answers, like some load balancers.
 Can be given multiple times, for different domains.
 .TP
+.B qname\-minimisation: \fI<yes or no>
+Send minimum amount of information to upstream servers to enhance privacy.
+Only sent minimum required labels of the QNAME and set QTYPE to NS when 
+possible. Best effort approach, full QNAME and original QTYPE will be sent when
+upstream replies with a RCODE other than NOERROR. Default is off.
+.TP
 .B private\-address: \fI<IP address or subnet>
 Give IPv4 of IPv6 addresses or classless subnets. These are addresses
-on your private network, and are not allowed to be returned for public
-internet names.  Any occurence of such addresses are removed from
-DNS answers. Additionally, the DNSSEC validator may mark the answers
-bogus. This protects against so\-called DNS Rebinding, where a user browser
-is turned into a network proxy, allowing remote access through the browser
-to other parts of your private network.  Some names can be allowed to
-contain your private addresses, by default all the \fBlocal\-data\fR
-that you configured is allowed to, and you can specify additional
-names using \fBprivate\-domain\fR.  No private addresses are enabled
-by default.  We consider to enable this for the RFC1918 private IP
-address space by default in later releases. That would enable private 
-addresses for 10.0.0.0/8 172.16.0.0/12 192.168.0.0/16 169.254.0.0/16 
-fd00::/8 and fe80::/10, since the RFC standards say these addresses 
-should not be visible on the public internet.  Turning on 127.0.0.0/8 
-would hinder many spamblocklists as they use that.
+on your private network, and are not allowed to be returned for
+public internet names.  Any occurrence of such addresses are removed
+from DNS answers. Additionally, the DNSSEC validator may mark the
+answers bogus. This protects against so\-called DNS Rebinding, where
+a user browser is turned into a network proxy, allowing remote access
+through the browser to other parts of your private network.  Some names
+can be allowed to contain your private addresses, by default all the
+\fBlocal\-data\fR that you configured is allowed to, and you can specify
+additional names using \fBprivate\-domain\fR.  No private addresses are
+enabled by default.  We consider to enable this for the RFC1918 private
+IP address space by default in later releases. That would enable private
+addresses for 10.0.0.0/8 172.16.0.0/12 192.168.0.0/16 169.254.0.0/16
+fd00::/8 and fe80::/10, since the RFC standards say these addresses
+should not be visible on the public internet.  Turning on 127.0.0.0/8
+would hinder many spamblocklists as they use that.  Adding ::ffff:0:0/96
+stops IPv4-mapped IPv6 addresses from bypassing the filter.
 .TP
 .B private\-domain: \fI<domain name>
 Allow this domain, and all its subdomains to contain private addresses.
@@ -648,6 +725,13 @@ This may cause a slight speedup.  The default is no, because the DNS
 protocol RFCs mandate these sections, and the additional content could
 be of use and save roundtrips for clients.
 .TP
+.B disable-dnssec-lame-check: \fI<yes or no>
+If true, disables the DNSSEC lameness check in the iterator.  This check
+sees if RRSIGs are present in the answer, when dnssec is expected,
+and retries another authority if RRSIGs are unexpectedly missing.
+The validator will insist in RRSIGs for DNSSEC signed domains regardless
+of this setting, if a trust anchor is loaded.
+.TP
 .B module\-config: \fI<"module names">
 Module configuration, a list of module names separated by spaces, surround
 the string with quotes (""). The modules can be validator, iterator.
@@ -666,7 +750,9 @@ File with trust anchor for one zone, which is tracked with RFC5011 probes.
 The probes are several times per month, thus the machine must be online
 frequently.  The initial file can be one with contents as described in
 \fBtrust\-anchor\-file\fR.  The file is written to when the anchor is updated,
-so the unbound user must have write permission.
+so the unbound user must have write permission.  Write permission to the file,
+but also to the directory it is in (to create a temporary file, which is
+necessary to deal with filesystem full events).
 .TP
 .B trust\-anchor: \fI<"Resource Record">
 A DS or DNSKEY RR for a key to use for validation. Multiple entries can be
@@ -746,7 +832,7 @@ Instruct the validator to remove data from the additional section of secure
 messages that are not signed properly. Messages that are insecure, bogus,
 indeterminate or unchecked are not affected. Default is yes. Use this setting
 to protect the users that rely on this validator for authentication from 
-protentially bad data in the additional section.
+potentially bad data in the additional section.
 .TP
 .B val\-log\-level: \fI<number>
 Have the validator print validation failures to the log.  Regardless of
@@ -832,10 +918,16 @@ as a (DHCP-) DNS network resolver for a group of machines, where such
 lookups should be filtered (RFC compliance), this also stops potential
 data leakage about the local network to the upstream DNS servers.
 .TP
+.B insecure\-lan\-zones: \fI<yesno>
+Default is disabled.  If enabled, then reverse lookups in private
+address space are not validated.  This is usually required whenever
+\fIunblock\-lan\-zones\fR is used.
+.TP
 .B local\-zone: \fI<zone> <type>
 Configure a local zone. The type determines the answer to give if
 there is no match from local\-data. The types are deny, refuse, static,
 transparent, redirect, nodefault, typetransparent, inform, inform_deny,
+always_transparent, always_refuse, always_nxdomain,
 and are explained below. After that the default settings are listed. Use
 local\-data: to enter data into the local zone. Answers for local zones
 are authoritative DNS answers. By default the zones are class IN.
@@ -896,6 +988,15 @@ logged, eg. to run antivirus on them.
 The query is dropped, like 'deny', and logged, like 'inform'.  Ie. find
 infected machines without answering the queries.
 .TP 10
+\h'5'\fIalways_transparent\fR 
+Like transparent, but ignores local data and resolves normally.
+.TP 10
+\h'5'\fIalways_refuse\fR 
+Like refuse, but ignores local data and refuses the query.
+.TP 10
+\h'5'\fIalways_nxdomain\fR 
+Like static, but ignores local data and returns nxdomain for the query.
+.TP 10
 \h'5'\fInodefault\fR 
 Used to turn off default contents for AS112 zones. The other types
 also turn off default contents for the zone. The 'nodefault' option 
@@ -903,10 +1004,10 @@ has no other effect than turning off default contents for the
 given zone.  Use \fInodefault\fR if you use exactly that zone, if you want to
 use a subzone, use \fItransparent\fR.
 .P
-The default zones are localhost, reverse 127.0.0.1 and ::1, and the AS112
-zones. The AS112 zones are reverse DNS zones for private use and reserved
-IP addresses for which the servers on the internet cannot provide correct
-answers. They are configured by default to give nxdomain (no reverse 
+The default zones are localhost, reverse 127.0.0.1 and ::1, the onion and
+the AS112 zones. The AS112 zones are reverse DNS zones for private use and
+reserved IP addresses for which the servers on the internet cannot provide
+correct answers. They are configured by default to give nxdomain (no reverse
 information) answers. The defaults can be turned off by specifying your
 own local\-zone of that name, or using the 'nodefault' type. Below is a 
 list of the default zone contents.
@@ -950,6 +1051,15 @@ local\-data: "1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
     PTR localhost."
 .fi
 .TP 10
+\h'5'\fIonion (RFC 7686)\fR 
+Default content:
+.nf
+local\-zone: "onion." static
+local\-data: "onion. 10800 IN NS localhost."
+local\-data: "onion. 10800 IN 
+    SOA localhost. nobody.invalid. 1 3600 1200 604800 10800"
+.fi
+.TP 10
 \h'5'\fIreverse RFC1918 local use zones\fR 
 Reverse data for zones 10.in\-addr.arpa, 16.172.in\-addr.arpa to 
 31.172.in\-addr.arpa, 168.192.in\-addr.arpa.
@@ -1004,6 +1114,18 @@ Configure local data shorthand for a PTR record with the reversed IPv4 or
 IPv6 address and the host name.  For example "192.0.2.4 www.example.com".
 TTL can be inserted like this: "2001:DB8::4 7200 www.example.com"
 .TP 5
+.B local\-zone\-tag: \fI<zone> <"list of tags">
+Assign tags to localzones. Tagged localzones will only be applied when the
+used access-control element has a matching tag. Tags must be defined in
+\fIdefine\-tags\fR.  Enclose list of tags in quotes ("") and put spaces between
+tags.
+.TP 5
+.B local\-zone\-override: \fI<zone> <IP netblock> <type>
+Override the localzone type for queries from addresses matching netblock. 
+Use this localzone type, regardless the type configured for the local-zone
+(both tagged and untagged) and regardless the type configured using
+access\-control\-tag\-action.
+.TP 5
 .B ratelimit: \fI<number or 0>
 Enable ratelimiting of queries sent to nameserver for performing recursion.
 If 0, the default, it is disabled.  This option is experimental at this time.
@@ -1033,7 +1155,7 @@ If set to 0, all queries are dropped for domains where the limit is
 exceeded.  If set to another value, 1 in that number is allowed through
 to complete.  Default is 10, allowing 1/10 traffic to flow normally.
 This can make ordinary queries complete (if repeatedly queried for),
-and enter the cache, whilst also mitigiting the traffic flow by the
+and enter the cache, whilst also mitigating the traffic flow by the
 factor given.
 .TP 5
 .B ratelimit\-for\-domain: \fI<domain> <number qps>

doc/unbound.doxygen

@@ -623,7 +623,9 @@ EXCLUDE                = ./build \
                          pythonmod/examples/resip.py \
                          libunbound/python/unbound.py \
                          libunbound/python/libunbound_wrap.c \
-                         ./ldns-src
+                         ./ldns-src \
+			 doc/control_proto_spec.txt \
+			 doc/requirements.txt
 
 # The EXCLUDE_SYMLINKS tag can be used select whether or not files or
 # directories that are symbolic links (a Unix filesystem feature) are excluded

iterator/iter_fwd.c

@@ -294,6 +294,7 @@ make_stub_holes(struct iter_forwards* fwd, struct config_file* cfg)
 	uint8_t* dname;
 	size_t dname_len;
 	for(s = cfg->stubs; s; s = s->next) {
+		if(!s->name) continue;
 		dname = sldns_str2wire_dname(s->name, &dname_len);
 		if(!dname) {
 			log_err("cannot parse stub name '%s'", s->name);

iterator/iter_hints.c

@@ -147,12 +147,13 @@ compile_time_root_prime(int do_ip4, int do_ip6)
 	if(!ah(dp, "B.ROOT-SERVERS.NET.", "2001:500:84::b")) goto failed;
 	if(!ah(dp, "C.ROOT-SERVERS.NET.", "2001:500:2::c")) goto failed;
 	if(!ah(dp, "D.ROOT-SERVERS.NET.", "2001:500:2d::d")) goto failed;
+	if(!ah(dp, "E.ROOT-SERVERS.NET.", "2001:500:a8::e")) goto failed;
 	if(!ah(dp, "F.ROOT-SERVERS.NET.", "2001:500:2f::f")) goto failed;
 	if(!ah(dp, "H.ROOT-SERVERS.NET.", "2001:500:1::53")) goto failed;
 	if(!ah(dp, "I.ROOT-SERVERS.NET.", "2001:7fe::53")) goto failed;
 	if(!ah(dp, "J.ROOT-SERVERS.NET.", "2001:503:c27::2:30")) goto failed;
 	if(!ah(dp, "K.ROOT-SERVERS.NET.", "2001:7fd::1")) goto failed;
-	if(!ah(dp, "L.ROOT-SERVERS.NET.", "2001:500:3::42")) goto failed;
+	if(!ah(dp, "L.ROOT-SERVERS.NET.", "2001:500:9f::42")) goto failed;
 	if(!ah(dp, "M.ROOT-SERVERS.NET.", "2001:dc3::35")) goto failed;
       }
 	return dp;

iterator/iter_scrub.c

@@ -405,7 +405,43 @@ scrub_normalize(sldns_buffer* pkt, struct msg_parse* msg,
 
 		/* Follow the CNAME chain. */
 		if(rrset->type == LDNS_RR_TYPE_CNAME) {
+			struct rrset_parse* nx = rrset->rrset_all_next;
 			uint8_t* oldsname = sname;
+			/* see if the next one is a DNAME, if so, swap them */
+			if(nx && nx->section == LDNS_SECTION_ANSWER &&
+				nx->type == LDNS_RR_TYPE_DNAME &&
+				nx->rr_count == 1 &&
+				pkt_strict_sub(pkt, sname, nx->dname)) {
+				/* there is a DNAME after this CNAME, it 
+				 * is in the ANSWER section, and the DNAME
+				 * applies to the name we cover */
+				/* check if the alias of the DNAME equals
+				 * this CNAME */
+				uint8_t alias[LDNS_MAX_DOMAINLEN+1];
+				size_t aliaslen = 0;
+				uint8_t* t = NULL;
+				size_t tlen = 0;
+				if(synth_cname(sname, snamelen, nx, alias,
+					&aliaslen, pkt) &&
+					parse_get_cname_target(rrset, &t, &tlen) &&
+			   		dname_pkt_compare(pkt, alias, t) == 0) {
+					/* the synthesized CNAME equals the
+					 * current CNAME.  This CNAME is the
+					 * one that the DNAME creates, and this
+					 * CNAME is better capitalised */
+					verbose(VERB_ALGO, "normalize: re-order of DNAME and its CNAME");
+					if(prev) prev->rrset_all_next = nx;
+					else msg->rrset_first = nx;
+					if(nx->rrset_all_next == NULL)
+						msg->rrset_last = rrset;
+					rrset->rrset_all_next =
+						nx->rrset_all_next;
+					nx->rrset_all_next = rrset;
+					prev = nx;
+				}
+			}
+
+			/* move to next name in CNAME chain */
 			if(!parse_get_cname_target(rrset, &sname, &snamelen))
 				return 0;
 			prev = rrset;
@@ -638,7 +674,7 @@ scrub_sanitize(sldns_buffer* pkt, struct msg_parse* msg,
 	 * children of the originating zone. The idea here is that, 
 	 * as far as we know, the server that we contacted is ONLY 
 	 * authoritative for the originating zone. It, of course, MAY 
-	 * be authoriative for any other zones, and of course, MAY 
+	 * be authoritative for any other zones, and of course, MAY 
 	 * NOT be authoritative for some subdomains of the originating 
 	 * zone. */
 	prev = NULL;

iterator/iter_utils.c

@@ -255,7 +255,7 @@ iter_filter_unsuitable(struct iter_env* iter_env, struct module_env* env,
 			return -1; /* server is lame */
 		else if(rtt >= USEFUL_SERVER_TOP_TIMEOUT)
 			/* server is unresponsive,
-			 * we used to return TOP_TIMOUT, but fairly useless,
+			 * we used to return TOP_TIMEOUT, but fairly useless,
 			 * because if == TOP_TIMEOUT is dropped because
 			 * blacklisted later, instead, remove it here, so
 			 * other choices (that are not blacklisted) can be
@@ -306,7 +306,7 @@ iter_fill_rtt(struct iter_env* iter_env, struct module_env* env,
 	return got_it;
 }
 
-/** filter the addres list, putting best targets at front,
+/** filter the address list, putting best targets at front,
  * returns number of best targets (or 0, no suitable targets) */
 static int
 iter_filter_order(struct iter_env* iter_env, struct module_env* env,
@@ -360,6 +360,39 @@ iter_filter_order(struct iter_env* iter_env, struct module_env* env,
 		}
 	}
 	*selected_rtt = low_rtt;
+
+	if (env->cfg->prefer_ip6) {
+		int got_num6 = 0;
+		int low_rtt6 = 0;
+		int i;
+		prev = NULL;
+		a = dp->result_list;
+		for(i = 0; i < got_num; i++) {
+			swap_to_front = 0;
+			if(a->addr.ss_family == AF_INET6) {
+				got_num6++;
+				swap_to_front = 1;
+				if(low_rtt6 == 0 || a->sel_rtt < low_rtt6) {
+					low_rtt6 = a->sel_rtt;
+				}
+			}
+			/* swap to front if IPv6, or move to next result */
+			if(swap_to_front && prev) {
+				n = a->next_result;
+				prev->next_result = n;
+				a->next_result = dp->result_list;
+				dp->result_list = a;
+				a = n;
+			} else {
+				prev = a;
+				a = a->next_result;
+			}
+		}
+		if(got_num6 > 0) {
+			got_num = got_num6;
+			*selected_rtt = low_rtt6;
+		}
+	}
 	return got_num;
 }
 
@@ -590,6 +623,27 @@ iter_dp_is_useless(struct query_info* qinfo, uint16_t qflags,
 	return 1;
 }
 
+int
+iter_indicates_dnssec_fwd(struct module_env* env, struct query_info *qinfo)
+{
+	struct trust_anchor* a;
+	if(!env || !env->anchors || !qinfo || !qinfo->qname)
+		return 0;
+	/* a trust anchor exists above the name? */
+	if((a=anchors_lookup(env->anchors, qinfo->qname, qinfo->qname_len,
+		qinfo->qclass))) { 
+		if(a->numDS == 0 && a->numDNSKEY == 0) {
+			/* insecure trust point */
+			lock_basic_unlock(&a->lock);
+			return 0;
+		}
+		lock_basic_unlock(&a->lock);
+		return 1;
+	}
+	/* no trust anchor above it. */
+	return 0;
+}
+
 int 
 iter_indicates_dnssec(struct module_env* env, struct delegpt* dp,
         struct dns_msg* msg, uint16_t dclass)

iterator/iter_utils.h

@@ -173,6 +173,18 @@ void iter_mark_pside_cycle_targets(struct module_qstate* qstate,
 int iter_dp_is_useless(struct query_info* qinfo, uint16_t qflags, 
 	struct delegpt* dp);
 
+/**
+ * See if qname has DNSSEC needs in the forwarding case.  This is true if
+ * there is a trust anchor above it.  Whether there is an insecure delegation
+ * to the data is unknown, but CD-retry is needed.
+ * @param env: environment with anchors.
+ * @param qinfo: query name and class.
+ * @return true if trust anchor above qname, false if no anchor or insecure
+ * point above qname.
+ */
+int iter_indicates_dnssec_fwd(struct module_env* env,
+	struct query_info *qinfo);
+
 /**
  * See if delegation is expected to have DNSSEC information (RRSIGs) in 
  * its answers, or not. Inspects delegation point (name), trust anchors,

iterator/iterator.c

@@ -64,6 +64,7 @@
 #include "util/random.h"
 #include "sldns/rrdef.h"
 #include "sldns/wire2str.h"
+#include "sldns/str2wire.h"
 #include "sldns/parseutil.h"
 #include "sldns/sbuffer.h"
 
@@ -81,6 +82,7 @@ iter_init(struct module_env* env, int id)
 		log_err("iterator: could not apply configuration settings.");
 		return 0;
 	}
+
 	return 1;
 }
 
@@ -145,6 +147,14 @@ iter_new(struct module_qstate* qstate, int id)
 	/* Start with the (current) qname. */
 	iq->qchase = qstate->qinfo;
 	outbound_list_init(&iq->outlist);
+	iq->minimise_count = 0;
+	iq->minimise_timeout_count = 0;
+	if (qstate->env->cfg->qname_minimisation)
+		iq->minimisation_state = INIT_MINIMISE_STATE;
+	else
+		iq->minimisation_state = DONOT_MINIMISE_STATE;
+	
+	memset(&iq->qinfo_out, 0, sizeof(struct query_info));
 	return 1;
 }
 
@@ -176,7 +186,7 @@ next_state(struct iter_qstate* iq, enum iter_state nextstate)
 /**
  * Transition an event to its final state. Final states always either return
  * a result up the module chain, or reactivate a dependent event. Which
- * final state to transtion to is set in the module state for the event when
+ * final state to transition to is set in the module state for the event when
  * it was created, and depends on the original purpose of the event.
  *
  * The response is stored in the qstate->buf buffer.
@@ -206,6 +216,7 @@ error_supers(struct module_qstate* qstate, int id, struct module_qstate* super)
 		qstate->qinfo.qtype == LDNS_RR_TYPE_AAAA) {
 		/* mark address as failed. */
 		struct delegpt_ns* dpns = NULL;
+		super_iq->num_target_queries--; 
 		if(super_iq->dp)
 			dpns = delegpt_find_ns(super_iq->dp, 
 				qstate->qinfo.qname, qstate->qinfo.qname_len);
@@ -225,7 +236,6 @@ error_supers(struct module_qstate* qstate, int id, struct module_qstate* super)
 				log_err("out of memory adding missing");
 		}
 		dpns->resolved = 1; /* mark as failed */
-		super_iq->num_target_queries--; 
 	}
 	if(qstate->qinfo.qtype == LDNS_RR_TYPE_NS) {
 		/* prime failed to get delegation */
@@ -506,7 +516,7 @@ target_count_increase(struct iter_qstate* iq, int num)
 /**
  * Generate a subrequest.
  * Generate a local request event. Local events are tied to this module, and
- * have a correponding (first tier) event that is waiting for this event to
+ * have a corresponding (first tier) event that is waiting for this event to
  * resolve to continue.
  *
  * @param qname The query name for this request.
@@ -590,6 +600,11 @@ generate_sub_request(uint8_t* qname, size_t qnamelen, uint16_t qtype,
 		subiq->qchase = subq->qinfo;
 		subiq->chase_flags = subq->query_flags;
 		subiq->refetch_glue = 0;
+		if(qstate->env->cfg->qname_minimisation)
+			subiq->minimisation_state = INIT_MINIMISE_STATE;
+		else
+			subiq->minimisation_state = DONOT_MINIMISE_STATE;
+		memset(&subiq->qinfo_out, 0, sizeof(struct query_info));
 	}
 	return 1;
 }
@@ -1042,6 +1057,8 @@ processInitRequest(struct module_qstate* qstate, struct iter_qstate* iq,
 			iq->query_restart_count++;
 			iq->sent_count = 0;
 			sock_list_insert(&qstate->reply_origin, NULL, 0, qstate->region);
+			if(qstate->env->cfg->qname_minimisation)
+				iq->minimisation_state = INIT_MINIMISE_STATE;
 			return next_state(iq, INIT_REQUEST_STATE);
 		}
 
@@ -1062,6 +1079,7 @@ processInitRequest(struct module_qstate* qstate, struct iter_qstate* iq,
 			return error_response(qstate, id, LDNS_RCODE_SERVFAIL);
 		}
 		iq->refetch_glue = 0;
+		iq->minimisation_state = DONOT_MINIMISE_STATE;
 		/* the request has been forwarded.
 		 * forwarded requests need to be immediately sent to the 
 		 * next state, QUERYTARGETS. */
@@ -1599,6 +1617,8 @@ processLastResort(struct module_qstate* qstate, struct iter_qstate* iq,
 			iq->refetch_glue = 1;
 			iq->query_restart_count++;
 			iq->sent_count = 0;
+			if(qstate->env->cfg->qname_minimisation)
+				iq->minimisation_state = INIT_MINIMISE_STATE;
 			return next_state(iq, INIT_REQUEST_STATE);
 		}
 	}
@@ -1767,6 +1787,8 @@ processQueryTargets(struct module_qstate* qstate, struct iter_qstate* iq,
 	int tf_policy;
 	struct delegpt_addr* target;
 	struct outbound_entry* outq;
+	/* EDNS options to set on outgoing packet */
+	struct edns_option* opt_list = NULL;
 
 	/* NOTE: a request will encounter this state for each target it 
 	 * needs to send a query to. That is, at least one per referral, 
@@ -1975,9 +1997,108 @@ processQueryTargets(struct module_qstate* qstate, struct iter_qstate* iq,
 		}
 	}
 
+	if(iq->minimisation_state == INIT_MINIMISE_STATE) {
+		/* (Re)set qinfo_out to (new) delegation point, except when
+		 * qinfo_out is already a subdomain of dp. This happens when
+		 * increasing by more than one label at once (QNAMEs with more
+		 * than MAX_MINIMISE_COUNT labels). */
+		if(!(iq->qinfo_out.qname_len 
+			&& dname_subdomain_c(iq->qchase.qname, 
+				iq->qinfo_out.qname)
+			&& dname_subdomain_c(iq->qinfo_out.qname, 
+				iq->dp->name))) {
+			iq->qinfo_out.qname = iq->dp->name;
+			iq->qinfo_out.qname_len = iq->dp->namelen;
+			iq->qinfo_out.qtype = LDNS_RR_TYPE_A;
+			iq->qinfo_out.qclass = iq->qchase.qclass;
+			iq->minimise_count = 0;
+		}
+
+		iq->minimisation_state = MINIMISE_STATE;
+	}
+	if(iq->minimisation_state == MINIMISE_STATE) {
+		int qchaselabs = dname_count_labels(iq->qchase.qname);
+		int labdiff = qchaselabs -
+			dname_count_labels(iq->qinfo_out.qname);
+
+		iq->qinfo_out.qname = iq->qchase.qname;
+		iq->qinfo_out.qname_len = iq->qchase.qname_len;
+		iq->minimise_count++;
+		iq->minimise_timeout_count = 0;
+
+		iter_dec_attempts(iq->dp, 1);
+
+		/* Limit number of iterations for QNAMEs with more
+		 * than MAX_MINIMISE_COUNT labels. Send first MINIMISE_ONE_LAB
+		 * labels of QNAME always individually.
+		 */
+		if(qchaselabs > MAX_MINIMISE_COUNT && labdiff > 1 && 
+			iq->minimise_count > MINIMISE_ONE_LAB) {
+			if(iq->minimise_count < MAX_MINIMISE_COUNT) {
+				int multilabs = qchaselabs - 1 - 
+					MINIMISE_ONE_LAB;
+				int extralabs = multilabs / 
+					MINIMISE_MULTIPLE_LABS;
+
+				if (MAX_MINIMISE_COUNT - iq->minimise_count >= 
+					multilabs % MINIMISE_MULTIPLE_LABS)
+					/* Default behaviour is to add 1 label
+					 * every iteration. Therefore, decrement
+					 * the extralabs by 1 */
+					extralabs--;
+				if (extralabs < labdiff)
+					labdiff -= extralabs;
+				else
+					labdiff = 1;
+			}
+			/* Last minimised iteration, send all labels with
+			 * QTYPE=NS */
+			else
+				labdiff = 1;
+		}
+
+		if(labdiff > 1) {
+			verbose(VERB_QUERY, "removing %d labels", labdiff-1);
+			dname_remove_labels(&iq->qinfo_out.qname, 
+				&iq->qinfo_out.qname_len, 
+				labdiff-1);
+		}
+		if(labdiff < 1 || (labdiff < 2 
+			&& (iq->qchase.qtype == LDNS_RR_TYPE_DS
+			|| iq->qchase.qtype == LDNS_RR_TYPE_A)))
+			/* Stop minimising this query, resolve "as usual" */
+			iq->minimisation_state = DONOT_MINIMISE_STATE;
+		else {
+			struct dns_msg* msg = dns_cache_lookup(qstate->env, 
+				iq->qinfo_out.qname, iq->qinfo_out.qname_len, 
+				iq->qinfo_out.qtype, iq->qinfo_out.qclass, 
+				qstate->query_flags, qstate->region, 
+				qstate->env->scratch);
+			if(msg && msg->rep->an_numrrsets == 0
+				&& FLAGS_GET_RCODE(msg->rep->flags) == 
+				LDNS_RCODE_NOERROR)
+				/* no need to send query if it is already 
+				 * cached as NOERROR/NODATA */
+				return 1;
+		}
+	}
+	if(iq->minimisation_state == SKIP_MINIMISE_STATE) {
+		iq->minimise_timeout_count++;
+		if(iq->minimise_timeout_count < MAX_MINIMISE_TIMEOUT_COUNT)
+			/* Do not increment qname, continue incrementing next 
+			 * iteration */
+			iq->minimisation_state = MINIMISE_STATE;
+		else
+			/* Too many time-outs detected for this QNAME and QTYPE.
+			 * We give up, disable QNAME minimisation. */
+			iq->minimisation_state = DONOT_MINIMISE_STATE;
+	}
+	if(iq->minimisation_state == DONOT_MINIMISE_STATE)
+		iq->qinfo_out = iq->qchase;
+
 	/* We have a valid target. */
 	if(verbosity >= VERB_QUERY) {
-		log_query_info(VERB_QUERY, "sending query:", &iq->qchase);
+		log_query_info(VERB_QUERY, "sending query:", &iq->qinfo_out);
 		log_name_addr(VERB_QUERY, "sending to target:", iq->dp->name, 
 			&target->addr, target->addrlen);
 		verbose(VERB_ALGO, "dnssec status: %s%s",
@@ -1986,12 +2107,18 @@ processQueryTargets(struct module_qstate* qstate, struct iter_qstate* iq,
 	}
 	fptr_ok(fptr_whitelist_modenv_send_query(qstate->env->send_query));
 	outq = (*qstate->env->send_query)(
-		iq->qchase.qname, iq->qchase.qname_len, 
-		iq->qchase.qtype, iq->qchase.qclass, 
-		iq->chase_flags | (iq->chase_to_rd?BIT_RD:0), EDNS_DO|BIT_CD, 
+		iq->qinfo_out.qname, iq->qinfo_out.qname_len, 
+		iq->qinfo_out.qtype, iq->qinfo_out.qclass, 
+		iq->chase_flags | (iq->chase_to_rd?BIT_RD:0), 
+		/* unset CD if to forwarder(RD set) and not dnssec retry
+		 * (blacklist nonempty) and no trust-anchors are configured
+		 * above the qname or on the first attempt when dnssec is on */
+		EDNS_DO| ((iq->chase_to_rd||(iq->chase_flags&BIT_RD)!=0)&&
+		!qstate->blacklist&&(!iter_indicates_dnssec_fwd(qstate->env,
+		&iq->qinfo_out)||target->attempts==1)?0:BIT_CD), 
 		iq->dnssec_expected, iq->caps_fallback || is_caps_whitelisted(
-		ie, iq), &target->addr, target->addrlen, iq->dp->name,
-		iq->dp->namelen, qstate);
+		ie, iq), opt_list, &target->addr, target->addrlen,
+		iq->dp->name, iq->dp->namelen, qstate);
 	if(!outq) {
 		log_addr(VERB_DETAIL, "error sending query to auth server", 
 			&target->addr, target->addrlen);
@@ -2042,6 +2169,9 @@ processQueryResponse(struct module_qstate* qstate, struct iter_qstate* iq,
 	enum response_type type;
 	iq->num_current_queries--;
 	if(iq->response == NULL) {
+		/* Don't increment qname when QNAME minimisation is enabled */
+		if(qstate->env->cfg->qname_minimisation)
+			iq->minimisation_state = SKIP_MINIMISE_STATE;
 		iq->chase_to_rd = 0;
 		iq->dnssec_lame_query = 0;
 		verbose(VERB_ALGO, "query response was timeout");
@@ -2056,8 +2186,10 @@ processQueryResponse(struct module_qstate* qstate, struct iter_qstate* iq,
 		 * differently. No queries should be sent elsewhere */
 		type = RESPONSE_TYPE_ANSWER;
 	}
-	if(iq->dnssec_expected && !iq->dnssec_lame_query &&
+	if(!qstate->env->cfg->disable_dnssec_lame_check && iq->dnssec_expected 
+                && !iq->dnssec_lame_query &&
 		!(iq->chase_flags&BIT_RD) 
+		&& iq->sent_count < DNSSEC_LAME_DETECT_COUNT
 		&& type != RESPONSE_TYPE_LAME 
 		&& type != RESPONSE_TYPE_REC_LAME 
 		&& type != RESPONSE_TYPE_THROWAWAY 
@@ -2142,6 +2274,44 @@ processQueryResponse(struct module_qstate* qstate, struct iter_qstate* iq,
 			sock_list_insert(&qstate->reply_origin, 
 				&qstate->reply->addr, qstate->reply->addrlen, 
 				qstate->region);
+		if(iq->minimisation_state != DONOT_MINIMISE_STATE) {
+			/* Best effort qname-minimisation. 
+			 * Stop minimising and send full query when RCODE
+			 * is not NOERROR. */
+			if(FLAGS_GET_RCODE(iq->response->rep->flags) != 
+				LDNS_RCODE_NOERROR)
+				iq->minimisation_state = DONOT_MINIMISE_STATE;
+			if(FLAGS_GET_RCODE(iq->response->rep->flags) ==
+				LDNS_RCODE_NXDOMAIN) {
+				/* Stop resolving when NXDOMAIN is DNSSEC
+				 * signed. Based on assumption that namservers
+				 * serving signed zones do not return NXDOMAIN
+				 * for empty-non-terminals. */
+				if(iq->dnssec_expected)
+					return final_state(iq);
+				/* Make subrequest to validate intermediate
+				 * NXDOMAIN if harden-below-nxdomain is
+				 * enabled. */
+				if(qstate->env->cfg->harden_below_nxdomain) {
+					struct module_qstate* subq = NULL;
+					log_query_info(VERB_QUERY,
+						"schedule NXDOMAIN validation:",
+						&iq->response->qinfo);
+					if(!generate_sub_request(
+						iq->response->qinfo.qname,
+						iq->response->qinfo.qname_len,
+						iq->response->qinfo.qtype,
+						iq->response->qinfo.qclass,
+						qstate, id, iq,
+						INIT_REQUEST_STATE,
+						FINISHED_STATE, &subq, 1))
+						verbose(VERB_ALGO,
+						"could not validate NXDOMAIN "
+						"response");
+				}
+			}
+			return next_state(iq, QUERYTARGETS_STATE);
+		}
 		return final_state(iq);
 	} else if(type == RESPONSE_TYPE_REFERRAL) {
 		/* REFERRAL type responses get a reset of the 
@@ -2201,6 +2371,8 @@ processQueryResponse(struct module_qstate* qstate, struct iter_qstate* iq,
 		 * point to the referral. */
 		iq->deleg_msg = iq->response;
 		iq->dp = delegpt_from_message(iq->response, qstate->region);
+		if (qstate->env->cfg->qname_minimisation)
+			iq->minimisation_state = INIT_MINIMISE_STATE;
 		if(!iq->dp)
 			return error_response(qstate, id, LDNS_RCODE_SERVFAIL);
 		if(!cache_fill_missing(qstate->env, iq->qchase.qclass, 
@@ -2280,6 +2452,8 @@ processQueryResponse(struct module_qstate* qstate, struct iter_qstate* iq,
 		/* set the current request's qname to the new value. */
 		iq->qchase.qname = sname;
 		iq->qchase.qname_len = snamelen;
+		if (qstate->env->cfg->qname_minimisation)
+			iq->minimisation_state = INIT_MINIMISE_STATE;
 		/* Clear the query state, since this is a query restart. */
 		iq->deleg_msg = NULL;
 		iq->dp = NULL;
@@ -2353,6 +2527,8 @@ processQueryResponse(struct module_qstate* qstate, struct iter_qstate* iq,
 	/* LAME, THROWAWAY and "unknown" all end up here.
 	 * Recycle to the QUERYTARGETS state to hopefully try a 
 	 * different target. */
+	if (qstate->env->cfg->qname_minimisation)
+		iq->minimisation_state = DONOT_MINIMISE_STATE;
 	return next_state(iq, QUERYTARGETS_STATE);
 }
 
@@ -2485,6 +2661,10 @@ processTargetResponse(struct module_qstate* qstate, int id,
 	log_query_info(VERB_ALGO, "processTargetResponse", &qstate->qinfo);
 	log_query_info(VERB_ALGO, "processTargetResponse super", &forq->qinfo);
 
+	/* Tell the originating event that this target query has finished
+	 * (regardless if it succeeded or not). */
+	foriq->num_target_queries--;
+
 	/* check to see if parent event is still interested (in orig name).  */
 	if(!foriq->dp) {
 		verbose(VERB_ALGO, "subq: parent not interested, was reset");
@@ -2500,10 +2680,6 @@ processTargetResponse(struct module_qstate* qstate, int id,
 		return;
 	}
 
-	/* Tell the originating event that this target query has finished
-	 * (regardless if it succeeded or not). */
-	foriq->num_target_queries--;
-
 	/* if iq->query_for_pside_glue then add the pside_glue (marked lame) */
 	if(iq->pside_glue) {
 		/* if the pside_glue is NULL, then it could not be found,
@@ -2962,13 +3138,14 @@ process_response(struct module_qstate* qstate, struct iter_qstate* iq,
 		goto handle_it;
 	}
 	/* edns is not examined, but removed from message to help cache */
-	if(parse_extract_edns(prs, &edns) != LDNS_RCODE_NOERROR)
+	if(parse_extract_edns(prs, &edns, qstate->env->scratch) !=
+		LDNS_RCODE_NOERROR)
 		goto handle_it;
 	/* remove CD-bit, we asked for in case we handle validation ourself */
 	prs->flags &= ~BIT_CD;
 
 	/* normalize and sanitize: easy to delete items from linked lists */
-	if(!scrub_message(pkt, prs, &iq->qchase, iq->dp->name, 
+	if(!scrub_message(pkt, prs, &iq->qinfo_out, iq->dp->name, 
 		qstate->env->scratch, qstate->env, ie)) {
 		/* if 0x20 enabled, start fallback, but we have no message */
 		if(event == module_event_capsfail && !iq->caps_fallback) {

iterator/iterator.h

@@ -61,6 +61,23 @@ struct rbtree_t;
 #define MAX_REFERRAL_COUNT	130
 /** max number of queries-sent-out.  Make sure large NS set does not loop */
 #define MAX_SENT_COUNT		32
+/** max number of queries for which to perform dnsseclameness detection,
+ * (rrsigs misssing detection) after that, just pick up that response */
+#define DNSSEC_LAME_DETECT_COUNT 4
+/**
+ * max number of QNAME minimisation iterations. Limits number of queries for
+ * QNAMEs with a lot of labels.
+*/
+#define MAX_MINIMISE_COUNT	10
+/* max number of time-outs for minimised query. Prevents resolving failures
+ * when the QNAME minimisation QTYPE is blocked. */
+#define MAX_MINIMISE_TIMEOUT_COUNT 3
+/**
+ * number of labels from QNAME that are always send individually when using
+ * QNAME minimisation, even when the number of labels of the QNAME is bigger
+ * tham MAX_MINIMISE_COUNT */
+#define MINIMISE_ONE_LAB	4
+#define MINIMISE_MULTIPLE_LABS	(MAX_MINIMISE_COUNT - MINIMISE_ONE_LAB)
 /** at what query-sent-count to stop target fetch policy */
 #define TARGET_FETCH_STOP	3
 /** how nice is a server without further information, in msec 
@@ -112,6 +129,32 @@ struct iter_env {
 	 * array of max_dependency_depth+1 size.
 	 */
 	int* target_fetch_policy;
+
+	/** ip6.arpa dname in wireformat, used for qname-minimisation */
+	uint8_t* ip6arpa_dname;
+};
+
+/**
+ * QNAME minimisation state
+ */
+enum minimisation_state {
+	/**
+	 * (Re)start minimisation. Outgoing QNAME should be set to dp->name.
+	 * State entered on new query or after following refferal or CNAME.
+	 */
+	INIT_MINIMISE_STATE = 0,
+	/**
+	 * QNAME minimisataion ongoing. Increase QNAME on every iteration.
+	 */
+	MINIMISE_STATE,
+	/**
+	 * Don't increment QNAME this iteration
+	 */
+	SKIP_MINIMISE_STATE,
+	/**
+	 * Send out full QNAME + original QTYPE
+	 */
+	DONOT_MINIMISE_STATE,
 };
 
 /**
@@ -322,6 +365,26 @@ struct iter_qstate {
 
 	/** list of pending queries to authoritative servers. */
 	struct outbound_list outlist;
+
+	/** QNAME minimisation state, RFC7816 */
+	enum minimisation_state minimisation_state;
+
+	/**
+	 * The query info that is sent upstream. Will be a subset of qchase
+	 * when qname minimisation is enabled.
+	 */
+	struct query_info qinfo_out;
+
+	/**
+	 * Count number of QNAME minisation iterations. Used to limit number of
+	 * outgoing queries when QNAME minimisation is enabled.
+	 */
+	int minimise_count;
+
+	/**
+	 * Count number of time-outs. Used to prevent resolving failures when
+	 * the QNAME minimisation QTYPE is blocked. */
+	int minimise_timeout_count;
 };
 
 /**

libunbound/context.h

@@ -49,7 +49,7 @@
 struct libworker;
 struct tube;
 struct sldns_buffer;
-struct event_base;
+struct ub_event_base;
 
 /**
  * The context structure
@@ -114,7 +114,7 @@ struct ub_ctx {
 	struct ub_randstate* seed_rnd;
 
 	/** event base for event oriented interface */
-	struct event_base* event_base;
+	struct ub_event_base* event_base;
 	/** libworker for event based interface */
 	struct libworker* event_worker;
 

libunbound/libunbound.c

@@ -57,6 +57,7 @@
 #include "util/random.h"
 #include "util/net_help.h"
 #include "util/tube.h"
+#include "util/ub_event.h"
 #include "services/modstack.h"
 #include "services/localzone.h"
 #include "services/cache/infra.h"
@@ -68,6 +69,9 @@
 #ifdef HAVE_SYS_WAIT_H
 #include <sys/wait.h>
 #endif
+#ifdef HAVE_TIME_H
+#include <time.h>
+#endif
 
 #if defined(UB_ON_WINDOWS) && defined (HAVE_WINDOWS_H)
 #include <windows.h>
@@ -166,6 +170,20 @@ ub_ctx_create(void)
 	return ctx;
 }
 
+struct ub_ctx* 
+ub_ctx_create_ub_event(struct ub_event_base* ueb)
+{
+	struct ub_ctx* ctx = ub_ctx_create_nopipe();
+	if(!ctx)
+		return NULL;
+	/* no pipes, but we have the locks to make sure everything works */
+	ctx->created_bg = 0;
+	ctx->dothread = 1; /* the processing is in the same process,
+		makes ub_cancel and ub_ctx_delete do the right thing */
+	ctx->event_base = ueb;
+	return ctx;
+}
+
 struct ub_ctx* 
 ub_ctx_create_event(struct event_base* eb)
 {
@@ -176,7 +194,11 @@ ub_ctx_create_event(struct event_base* eb)
 	ctx->created_bg = 0;
 	ctx->dothread = 1; /* the processing is in the same process,
 		makes ub_cancel and ub_ctx_delete do the right thing */
-	ctx->event_base = eb;
+	ctx->event_base = ub_libevent_event_base(eb);
+	if (!ctx->event_base) {
+		ub_ctx_delete(ctx);
+		return NULL;
+	}
 	return ctx;
 }
 	
@@ -695,6 +717,9 @@ ub_resolve_event(struct ub_ctx* ctx, const char* name, int rrtype,
 		}
 	}
 
+	/* set time in case answer comes from cache */
+	ub_comm_base_now(ctx->event_worker->base);
+
 	/* create new ctx_query and attempt to add to the list */
 	q = context_new(ctx, name, rrtype, rrclass, (ub_callback_t)callback,
 		mydata);
@@ -921,6 +946,88 @@ ub_ctx_set_fwd(struct ub_ctx* ctx, const char* addr)
 	return UB_NOERROR;
 }
 
+int ub_ctx_set_stub(struct ub_ctx* ctx, const char* zone, const char* addr,
+	int isprime)
+{
+	char* a;
+	struct config_stub **prev, *elem;
+
+	/* check syntax for zone name */
+	if(zone) {
+		uint8_t* nm;
+		int nmlabs;
+		size_t nmlen;
+		if(!parse_dname(zone, &nm, &nmlen, &nmlabs)) {
+			errno=EINVAL;
+			return UB_SYNTAX;
+		}
+		free(nm);
+	} else {
+		zone = ".";
+	}
+
+	/* check syntax for addr (if not NULL) */
+	if(addr) {
+		struct sockaddr_storage storage;
+		socklen_t stlen;
+		if(!extstrtoaddr(addr, &storage, &stlen)) {
+			errno=EINVAL;
+			return UB_SYNTAX;
+		}
+	}
+
+	lock_basic_lock(&ctx->cfglock);
+	if(ctx->finalized) {
+		lock_basic_unlock(&ctx->cfglock);
+		errno=EINVAL;
+		return UB_AFTERFINAL;
+	}
+
+	/* arguments all right, now find or add the stub */
+	prev = &ctx->env->cfg->stubs;
+	elem = cfg_stub_find(&prev, zone);
+	if(!elem && !addr) {
+		/* not found and we want to delete, nothing to do */
+		lock_basic_unlock(&ctx->cfglock);
+		return UB_NOERROR;
+	} else if(elem && !addr) {
+		/* found, and we want to delete */
+		*prev = elem->next;
+		config_delstub(elem);
+		lock_basic_unlock(&ctx->cfglock);
+		return UB_NOERROR;
+	} else if(!elem) {
+		/* not found, create the stub entry */
+		elem=(struct config_stub*)calloc(1, sizeof(struct config_stub));
+		if(elem) elem->name = strdup(zone);
+		if(!elem || !elem->name) {
+			free(elem);
+			lock_basic_unlock(&ctx->cfglock);
+			errno = ENOMEM;
+			return UB_NOMEM;
+		}
+		elem->next = ctx->env->cfg->stubs;
+		ctx->env->cfg->stubs = elem;
+	}
+
+	/* add the address to the list and set settings */
+	elem->isprime = isprime;
+	a = strdup(addr);
+	if(!a) {
+		lock_basic_unlock(&ctx->cfglock);
+		errno = ENOMEM;
+		return UB_NOMEM;
+	}
+	if(!cfg_strlist_insert(&elem->addrs, a)) {
+		lock_basic_unlock(&ctx->cfglock);
+		free(a);
+		errno = ENOMEM;
+		return UB_NOMEM;
+	}
+	lock_basic_unlock(&ctx->cfglock);
+	return UB_NOERROR;
+}
+
 int 
 ub_ctx_resolvconf(struct ub_ctx* ctx, const char* fname)
 {
@@ -1238,10 +1345,12 @@ const char* ub_version(void)
 
 int 
 ub_ctx_set_event(struct ub_ctx* ctx, struct event_base* base) {
+	struct ub_event_base* new_base;
+
 	if (!ctx || !ctx->event_base || !base) {
 		return UB_INITFAIL;
 	}
-	if (ctx->event_base == base) {
+	if (ub_libevent_get_event_base(ctx->event_base) == base) {
 		/* already set */
 		return UB_NOERROR;
 	}
@@ -1250,9 +1359,11 @@ ub_ctx_set_event(struct ub_ctx* ctx, struct event_base* base) {
 	/* destroy the current worker - safe to pass in NULL */
 	libworker_delete_event(ctx->event_worker);
 	ctx->event_worker = NULL;
-	ctx->event_base = base;	
+	new_base = ub_libevent_event_base(base);
+	if (new_base)
+		ctx->event_base = new_base;	
 	ctx->created_bg = 0;
 	ctx->dothread = 1;
 	lock_basic_unlock(&ctx->cfglock);
-	return UB_NOERROR;
+	return new_base ? UB_NOERROR : UB_INITFAIL;
 }

libunbound/libworker.c

@@ -119,7 +119,7 @@ libworker_delete_event(struct libworker* w)
 
 /** setup fresh libworker struct */
 static struct libworker*
-libworker_setup(struct ub_ctx* ctx, int is_bg, struct event_base* eb)
+libworker_setup(struct ub_ctx* ctx, int is_bg, struct ub_event_base* eb)
 {
 	unsigned int seed;
 	struct libworker* w = (struct libworker*)calloc(1, sizeof(*w));
@@ -232,6 +232,7 @@ libworker_setup(struct ub_ctx* ctx, int is_bg, struct event_base* eb)
 		cfg->do_tcp?cfg->outgoing_num_tcp:0,
 		w->env->infra_cache, w->env->rnd, cfg->use_caps_bits_for_id,
 		ports, numports, cfg->unwanted_threshold,
+		cfg->outgoing_tcp_mss,
 		&libworker_alloc_cleanup, w, cfg->do_udp, w->sslctx,
 		cfg->delay_close, NULL);
 	if(!w->is_bg || w->is_bg_thread) {
@@ -257,7 +258,7 @@ libworker_setup(struct ub_ctx* ctx, int is_bg, struct event_base* eb)
 }
 
 struct libworker* libworker_create_event(struct ub_ctx* ctx,
-	struct event_base* eb)
+	struct ub_event_base* eb)
 {
 	return libworker_setup(ctx, 0, eb);
 }
@@ -580,6 +581,7 @@ setup_qinfo_edns(struct libworker* w, struct ctx_query* q,
 	edns->ext_rcode = 0;
 	edns->edns_version = 0;
 	edns->bits = EDNS_DO;
+	edns->opt_list = NULL;
 	if(sldns_buffer_capacity(w->back->udp_buff) < 65535)
 		edns->udp_size = (uint16_t)sldns_buffer_capacity(
 			w->back->udp_buff);
@@ -606,7 +608,8 @@ int libworker_fg(struct ub_ctx* ctx, struct ctx_query* q)
 	sldns_buffer_write_u16_at(w->back->udp_buff, 0, qid);
 	sldns_buffer_write_u16_at(w->back->udp_buff, 2, qflags);
 	if(local_zones_answer(ctx->local_zones, &qinfo, &edns, 
-		w->back->udp_buff, w->env->scratch, NULL)) {
+		w->back->udp_buff, w->env->scratch, NULL, NULL, 0, NULL, 0,
+		NULL, 0, NULL, 0)) {
 		regional_free_all(w->env->scratch);
 		libworker_fillup_fg(q, LDNS_RCODE_NOERROR, 
 			w->back->udp_buff, sec_status_insecure, NULL);
@@ -676,7 +679,8 @@ int libworker_attach_mesh(struct ub_ctx* ctx, struct ctx_query* q,
 	sldns_buffer_write_u16_at(w->back->udp_buff, 0, qid);
 	sldns_buffer_write_u16_at(w->back->udp_buff, 2, qflags);
 	if(local_zones_answer(ctx->local_zones, &qinfo, &edns, 
-		w->back->udp_buff, w->env->scratch, NULL)) {
+		w->back->udp_buff, w->env->scratch, NULL, NULL, 0, NULL, 0,
+		NULL, 0, NULL, 0)) {
 		regional_free_all(w->env->scratch);
 		free(qinfo.qname);
 		libworker_event_done_cb(q, LDNS_RCODE_NOERROR,
@@ -796,7 +800,8 @@ handle_newq(struct libworker* w, uint8_t* buf, uint32_t len)
 	sldns_buffer_write_u16_at(w->back->udp_buff, 0, qid);
 	sldns_buffer_write_u16_at(w->back->udp_buff, 2, qflags);
 	if(local_zones_answer(w->ctx->local_zones, &qinfo, &edns, 
-		w->back->udp_buff, w->env->scratch, NULL)) {
+		w->back->udp_buff, w->env->scratch, NULL, NULL, 0, NULL, 0,
+		NULL, 0, NULL, 0)) {
 		regional_free_all(w->env->scratch);
 		q->msg_security = sec_status_insecure;
 		add_bg_result(w, q, w->back->udp_buff, UB_NOERROR, NULL);
@@ -821,9 +826,9 @@ void libworker_alloc_cleanup(void* arg)
 
 struct outbound_entry* libworker_send_query(uint8_t* qname, size_t qnamelen,
         uint16_t qtype, uint16_t qclass, uint16_t flags, int dnssec,
-	int want_dnssec, int nocaps, struct sockaddr_storage* addr,
-	socklen_t addrlen, uint8_t* zone, size_t zonelen,
-	struct module_qstate* q)
+	int want_dnssec, int nocaps, struct edns_option* opt_list,
+	struct sockaddr_storage* addr, socklen_t addrlen, uint8_t* zone,
+	size_t zonelen, struct module_qstate* q)
 {
 	struct libworker* w = (struct libworker*)q->env->worker;
 	struct outbound_entry* e = (struct outbound_entry*)regional_alloc(
@@ -833,9 +838,9 @@ struct outbound_entry* libworker_send_query(uint8_t* qname, size_t qnamelen,
 	e->qstate = q;
 	e->qsent = outnet_serviced_query(w->back, qname,
 		qnamelen, qtype, qclass, flags, dnssec, want_dnssec, nocaps,
-		q->env->cfg->tcp_upstream, q->env->cfg->ssl_upstream, addr,
-		addrlen, zone, zonelen, libworker_handle_service_reply, e,
-		w->back->udp_buff);
+		q->env->cfg->tcp_upstream, q->env->cfg->ssl_upstream, opt_list,
+		addr, addrlen, zone, zonelen, libworker_handle_service_reply,
+		e, w->back->udp_buff);
 	if(!e->qsent) {
 		return NULL;
 	}
@@ -954,7 +959,8 @@ struct outbound_entry* worker_send_query(uint8_t* ATTR_UNUSED(qname),
 	size_t ATTR_UNUSED(qnamelen), uint16_t ATTR_UNUSED(qtype), 
 	uint16_t ATTR_UNUSED(qclass), uint16_t ATTR_UNUSED(flags), 
 	int ATTR_UNUSED(dnssec), int ATTR_UNUSED(want_dnssec),
-	int ATTR_UNUSED(nocaps), struct sockaddr_storage* ATTR_UNUSED(addr), 
+	int ATTR_UNUSED(nocaps), struct edns_option* ATTR_UNUSED(opt_list),
+	struct sockaddr_storage* ATTR_UNUSED(addr), 
 	socklen_t ATTR_UNUSED(addrlen), uint8_t* ATTR_UNUSED(zone),
 	size_t ATTR_UNUSED(zonelen), struct module_qstate* ATTR_UNUSED(q))
 {

libunbound/libworker.h

@@ -58,7 +58,7 @@ struct comm_reply;
 struct regional;
 struct tube;
 struct sldns_buffer;
-struct event_base;
+struct ub_event_base;
 
 /** 
  * The library-worker status structure
@@ -115,7 +115,7 @@ int libworker_fg(struct ub_ctx* ctx, struct ctx_query* q);
  * @return new worker or NULL.
  */
 struct libworker* libworker_create_event(struct ub_ctx* ctx,
-	struct event_base* eb);
+	struct ub_event_base* eb);
 
 /**
  * Attach context_query to mesh for callback in event-driven setup.

libunbound/python/Makefile

@@ -36,7 +36,7 @@
 help:
 	@echo "Please use \`make <target>' where <target> is one of"
 	@echo "  testenv   to make test environment and run bash "
-	@echo "            usefull in case you don't want to install unbound but want to test examples"
+	@echo "            useful in case you don't want to install unbound but want to test examples"
 	@echo "  doc       to make documentation"
 	@echo "  clean     clean all"
 

libunbound/python/doc/install.rst

@@ -22,7 +22,7 @@ You need GNU make to compile sources; SWIG and Python devel libraries to compile
 
 **Testing**
 
-If the compilation is successfull, you can test the python LDNS extension module by::
+If the compilation is successful, you can test the python LDNS extension module by::
 
 	> cd contrib/python
 	> make testenv

libunbound/python/doc/modules/unbound.rst

@@ -42,7 +42,7 @@ Class ub_result
 	 	False, if validation failed or domain queried has no security info.
 	 
 	  	It is possible to get a result with no data (havedata is false),
-	  	and secure is true. This means that the non-existance of the data
+	  	and secure is true. This means that the non-existence of the data
 	  	was cryptographically proven (with signatures).
 
 	.. attribute:: bogus

libunbound/python/examples/dnssec-valid.py

@@ -44,7 +44,7 @@ ctx.debugout(fw)
 ctx.debuglevel(2)
 
 if os.path.isfile("keys"):
-    ctx.add_ta_file("keys") #read public keys for DNSSEC verificatio
+    ctx.add_ta_file("keys") #read public keys for DNSSEC verification
 
 status, result = ctx.resolve("www.nic.cz", RR_TYPE_A, RR_CLASS_IN)
 if status == 0 and result.havedata:

libunbound/python/libunbound.i

@@ -1,5 +1,5 @@
 /*
- * libounbound.i: pyUnbound module (libunbound wrapper for Python)
+ * libunbound.i: pyUnbound module (libunbound wrapper for Python)
  * 
  * Copyright (c) 2009, Zdenek Vasicek (vasicek AT fit.vutbr.cz)
  *                     Marek Vavrusa  (xvavru00 AT stud.fit.vutbr.cz)
@@ -455,7 +455,7 @@ Result: ['74.125.43.147', '74.125.43.99', '74.125.43.103', '74.125.43.104']
         #_UB_CTX_METHODS#   
         
         def zone_print(self):
-            """Print local zones using debougout"""            
+            """Print local zones using debugout"""            
             _unbound.ub_ctx_print_local_zones(self)
 
         def zone_add(self,zonename,zonetype):
@@ -945,7 +945,7 @@ int _ub_resolve_async(struct ub_ctx* ctx, char* name, int rrtype, int rrclass, v
            :param idnname: (unicode string) IDN name
            :returns: (string) domain name
         """
-        return '.'.join([encodings.idna.ToASCII(a) for a in idnname.split('.')])
+        return '.'.join([encodings.idna.ToASCII(a) if a else '' for a in idnname.split('.')])
 
     def dname2idn(name):
         """Converts canonic domain name in IDN format to unicode string

libunbound/ubsyms.def

@@ -1,33 +1,35 @@
-ub_ctx_create
-ub_ctx_create_event
-ub_ctx_delete
-ub_ctx_get_option
-ub_ctx_set_option
-ub_ctx_config
-ub_ctx_set_fwd
-ub_ctx_resolvconf
-ub_ctx_hosts
+ub_cancel
 ub_ctx_add_ta
 ub_ctx_add_ta_autr
 ub_ctx_add_ta_file
-ub_ctx_trustedkeys
-ub_ctx_debugout
-ub_ctx_debuglevel
 ub_ctx_async
-ub_poll
-ub_wait
+ub_ctx_config
+ub_ctx_create
+ub_ctx_create_event
+ub_ctx_create_ub_event
+ub_ctx_data_add
+ub_ctx_data_remove
+ub_ctx_debuglevel
+ub_ctx_debugout
+ub_ctx_delete
+ub_ctx_get_option
+ub_ctx_hosts
+ub_ctx_print_local_zones
+ub_ctx_resolvconf
+ub_ctx_set_event
+ub_ctx_set_fwd
+ub_ctx_set_option
+ub_ctx_set_stub
+ub_ctx_trustedkeys
+ub_ctx_zone_add
+ub_ctx_zone_remove
 ub_fd
+ub_poll
 ub_process
 ub_resolve
 ub_resolve_async
 ub_resolve_event
-ub_cancel
 ub_resolve_free
 ub_strerror
-ub_ctx_print_local_zones
-ub_ctx_zone_add
-ub_ctx_zone_remove
-ub_ctx_data_add
-ub_ctx_data_remove
 ub_version
-ub_ctx_set_event
+ub_wait

libunbound/unbound-event.h

@@ -36,20 +36,21 @@
 /**
  * \file
  *
- * This file contains the unbound interface for use with libevent.
- * You have to use the same libevent that unbound was compiled with,
- * otherwise it wouldn't work, the event and event_base structures would
- * be different.  If unbound is compiled without libevent support then
- * this header file is not supposed to be installed on the system.
+ * This file contains the unbound interface for use with user defined
+ * pluggable event bases.
  *
- * Use ub_ctx_create_event_base() to create an unbound context that uses
- * the event base that you have made.  Then, use the ub_resolve_event call
- * to add DNS resolve queries to the context.  Those then run when you
- * call event_dispatch() on your event_base, and when they are done you
- * get a function callback.
+ * Use ub_ctx_create_event_ub_base() to create an unbound context that uses
+ * the user provided event base API.  Then, use the ub_resolve_event call
+ * to add DNS resolve queries to the context.  Those then run whith the
+ * provided event_base, and when they are done you get a function callback.
  *
  * This method does not fork another process or create a thread, the effort
- * is done by the unbound state machines that are connected to the event_base.
+ * is done by the unbound state machines that are connected to the event base.
+ *
+ * It is also possible to provide a libevent based event base by using
+ * ub_ctx_create_event_base().  But you have to use the same libevent that
+ * unbound was compiled with, otherwise it wouldn't work, the event and
+ * event_base structures would be different.
  */
 #ifndef _UB_UNBOUND_EVENT_H
 #define _UB_UNBOUND_EVENT_H
@@ -62,12 +63,136 @@ struct ub_ctx;
 struct ub_result;
 struct event_base;
 
+/** event timeout */
+#define UB_EV_TIMEOUT      0x01
+/** event fd readable */
+#define UB_EV_READ         0x02
+/** event fd writable */
+#define UB_EV_WRITE        0x04
+/** event signal */
+#define UB_EV_SIGNAL       0x08
+/** event must persist */
+#define UB_EV_PERSIST      0x10
+
+/** magic number to identify this version of the pluggable event api */
+#define UB_EVENT_MAGIC     0x44d74d78
+
+struct ub_event;
+struct ub_event_base;
+struct timeval;
+
+/**
+ * The Virtual Method Table for and ub_event_base "object"
+ */
+struct ub_event_base_vmt {
+	/** Destructor for the ub_event_base object,
+	 * (not called by libunbound) */
+	void (*free)(struct ub_event_base*);
+	/** Run the event loop
+	 * (not called by libunbound when using ub_resolve_event) */
+	int (*dispatch)(struct ub_event_base*);
+	/** Exit the given event loop */
+	int (*loopexit)(struct ub_event_base*, struct timeval*);
+	/** Instantiate a new ub_event associated with this event base */
+	struct ub_event* (*new_event)(struct ub_event_base*,
+		int fd, short bits, void (*cb)(int, short, void*), void* arg);
+	/** Instantiate a new signal associated with this event base,
+	 * (not called by libunbound) */
+	struct ub_event* (*new_signal)(struct ub_event_base*, int fd,
+		void (*cb)(int, short, void*), void* arg);
+	/** Create a new ub_event associated with the given wsaevent,
+	 * (not called by libunbound) */
+	struct ub_event* (*winsock_register_wsaevent)(struct ub_event_base*,
+		void* wsaevent, void (*cb)(int, short, void*), void* arg);
+};
+
+/**
+ * A user defined pluggable event base is registered by providing a
+ * ub_event_base "object" with the ub_ctx_create_ub_event() function.
+ * The magic number must be correct and the Virtual Method Table must be
+ * fully equipped providing the event base API to be used by libunbound.
+ */
+struct ub_event_base {
+	/** magic must be UB_EVENT_MAGIC (0x44d74d78) */
+	unsigned long magic;
+	/** Virtual Method Table for ub_event_base */
+	struct ub_event_base_vmt* vmt;
+};
+
+/**
+ * The Virtual Method Table for and ub_event "object"
+ */
+struct ub_event_vmt {
+	/** Add event bits for this event to fire on.
+	 * The event will be deactivated before this function is called. */
+	void (*add_bits)(struct ub_event*, short);
+	/** Configure the event so it will not longer fire on given bits 
+	 * The event will be deactivated before this function is called. */
+	void (*del_bits)(struct ub_event*, short);
+	/** Change or set the file descriptor on the event 
+	 * The event will be deactivated before this function is called. */
+	void (*set_fd)(struct ub_event*, int);
+	/** Destructor for the ub_event object */
+	void (*free)(struct ub_event*);
+	/** Activate the event.  The given timeval is an timeout value. */
+	int (*add)(struct ub_event*, struct timeval*);
+	/** Deactivate the event */
+	int (*del)(struct ub_event*);
+	/** Reconfigure and activate a timeout event */
+	int (*add_timer)(struct ub_event*, struct ub_event_base*,
+		void (*cb)(int, short, void*), void* arg, struct timeval*);
+	/** Deactivate the timeout event */
+	int (*del_timer)(struct ub_event*);
+	/** Activate a signal event (not called by libunbound). */
+	int (*add_signal)(struct ub_event*, struct timeval*);
+	/** Deactivate a signal event (not called by libunbound). */
+	int (*del_signal)(struct ub_event*);
+	/** Destructor for a ub_event associated with a wsaevent,
+	 * (not called by libunbound)
+	 */
+	void (*winsock_unregister_wsaevent)(struct ub_event* ev);
+	/** Libunbound will signal the eventloop when a TCP windows socket
+	 * will block on next read or write (given by the eventbits), to work
+	 * around edge trigger event behaviour of select on windows with TCP.
+	 */
+	void (*winsock_tcp_wouldblock)(struct ub_event*, int eventbit);
+};
+
+/**
+ * An "object" comprising a user defined pluggable event.
+ * The magic number must be correct and the Virtual Method Table must be
+ * fully equipped providing the ub_event API to be used by libunbound.
+ */
+struct ub_event {
+	/** magic must be UB_EVENT_MAGIC (0x44d74d78) */
+	unsigned long magic;
+	/** Virtual Method Table for ub_event */
+	struct ub_event_vmt* vmt;
+};
+
 typedef void (*ub_event_callback_t)(void*, int, void*, int, int, char*);
 
 /**
  * Create a resolving and validation context.
  * The information from /etc/resolv.conf and /etc/hosts is not utilised by
  * default. Use ub_ctx_resolvconf and ub_ctx_hosts to read them.
+ * @param base: the pluggable event base that the caller has created.
+ *      The unbound context uses this event base.
+ * @return a new context. default initialisation.
+ * 	returns NULL on error.
+ * You must use ub_resolve_event with this context.
+ * Do not call ub_ctx_async, ub_poll, ub_wait, ub_process, this is all done
+ * with the event_base.  Setup the options you like with the other functions.
+ */
+struct ub_ctx* ub_ctx_create_ub_event(struct ub_event_base* base);
+
+/**
+ * Create a resolving and validation context.
+ * The information from /etc/resolv.conf and /etc/hosts is not utilised by
+ * default. Use ub_ctx_resolvconf and ub_ctx_hosts to read them.
+ * You have to use the same libevent that unbound was compiled with,
+ * otherwise it wouldn't work, the event and event_base structures would
+ * be different.
  * @param base: the event base that the caller has created.  The unbound
  *	context uses this event base.
  * @return a new context. default initialisation.
@@ -79,7 +204,10 @@ typedef void (*ub_event_callback_t)(void*, int, void*, int, int, char*);
 struct ub_ctx* ub_ctx_create_event(struct event_base* base);
 
 /**
- * Set a new event_base on a context created with ub_ctx_create_event.
+ * Set a new libevent event_base on a context created with ub_ctx_create_event.
+ * You have to use the same libevent that unbound was compiled with,
+ * otherwise it wouldn't work, the event and event_base structures would
+ * be different.
  * Any outbound queries will be canceled.
  * @param ctx the ub_ctx to update.  Must have been created with ub_ctx_create_event
  * @param base the new event_base to attach to the ctx

libunbound/unbound.h

@@ -303,6 +303,27 @@ int ub_ctx_config(struct ub_ctx* ctx, const char* fname);
  */
 int ub_ctx_set_fwd(struct ub_ctx* ctx, const char* addr);
 
+/**
+ * Add a stub zone, with given address to send to.  This is for custom
+ * root hints or pointing to a local authoritative dns server.
+ * For dns resolvers and the 'DHCP DNS' ip address, use ub_ctx_set_fwd.
+ * This is similar to a stub-zone entry in unbound.conf.
+ *
+ * @param ctx: context.
+ *	It is only possible to set configuration before the
+ *	first resolve is done.
+ * @param zone: name of the zone, string.
+ * @param addr: address, IP4 or IP6 in string format.
+ * 	The addr is added to the list of stub-addresses if the entry exists.
+ * 	If the addr is NULL the stub entry is removed.
+ * @param isprime: set to true to set stub-prime to yes for the stub.
+ * 	For local authoritative servers, people usually set it to false,
+ * 	For root hints it should be set to true.
+ * @return 0 if OK, else error.
+ */
+int ub_ctx_set_stub(struct ub_ctx* ctx, const char* zone, const char* addr,
+	int isprime);
+
 /**
  * Read list of nameservers to use from the filename given.
  * Usually "/etc/resolv.conf". Uses those nameservers as caching proxies.

libunbound/worker.h

@@ -48,6 +48,7 @@ struct comm_reply;
 struct comm_point;
 struct module_qstate;
 struct tube;
+struct edns_option;
 
 /**
  * Worker service routine to send serviced queries to authoritative servers.
@@ -59,6 +60,7 @@ struct tube;
  * @param dnssec: if set, EDNS record will have DO bit set.
  * @param want_dnssec: signatures needed.
  * @param nocaps: ignore capsforid(if in config), do not perturb qname.
+ * @param opt_list: EDNS options on outgoing packet.
  * @param addr: where to.
  * @param addrlen: length of addr.
  * @param zone: delegation point name.
@@ -69,9 +71,9 @@ struct tube;
  */
 struct outbound_entry* libworker_send_query(uint8_t* qname, size_t qnamelen,
         uint16_t qtype, uint16_t qclass, uint16_t flags, int dnssec,
-	int want_dnssec, int nocaps, struct sockaddr_storage* addr,
-	socklen_t addrlen, uint8_t* zone, size_t zonelen,
-	struct module_qstate* q);
+	int want_dnssec, int nocaps, struct edns_option* opt_list,
+	struct sockaddr_storage* addr, socklen_t addrlen, uint8_t* zone,
+	size_t zonelen, struct module_qstate* q);
 
 /** process incoming replies from the network */
 int libworker_handle_reply(struct comm_point* c, void* arg, int error,
@@ -114,6 +116,7 @@ void worker_sighandler(int sig, void* arg);
  * @param dnssec: if set, EDNS record will have DO bit set.
  * @param want_dnssec: signatures needed.
  * @param nocaps: ignore capsforid(if in config), do not perturb qname.
+ * @param opt_list: EDNS options on outgoing packet.
  * @param addr: where to.
  * @param addrlen: length of addr.
  * @param zone: wireformat dname of the zone.
@@ -124,9 +127,9 @@ void worker_sighandler(int sig, void* arg);
  */
 struct outbound_entry* worker_send_query(uint8_t* qname, size_t qnamelen, 
 	uint16_t qtype, uint16_t qclass, uint16_t flags, int dnssec, 
-	int want_dnssec, int nocaps, struct sockaddr_storage* addr,
-	socklen_t addrlen, uint8_t* zone, size_t zonelen,
-	struct module_qstate* q);
+	int want_dnssec, int nocaps, struct edns_option* opt_list,
+	struct sockaddr_storage* addr, socklen_t addrlen, uint8_t* zone,
+	size_t zonelen, struct module_qstate* q);
 
 /** 
  * process control messages from the main thread. Frees the control 

makedist.sh

@@ -55,6 +55,7 @@ Generate a distribution tar file for unbound.
                  Detected from svn working copy if not specified.
     -wssl openssl.xx.tar.gz Also build openssl from tarball for windows dist.
     -wxp expat.xx.tar.gz Also build expat from tarball for windows dist.
+    -w64	 64bit windows compile.
     -w ...       Build windows binary dist. last args passed to configure.
 EOF
     exit 1
@@ -177,6 +178,7 @@ storehash () {
 SNAPSHOT="no"
 RC="no"
 DOWIN="no"
+W64="no"
 WINSSL=""
 WINEXPAT=""
 
@@ -201,6 +203,10 @@ while [ "$1" ]; do
 	    WINEXPAT="$2"
 	    shift
 	    ;;
+	"-w64")
+	    W64="yes"
+	    shift
+	    ;;
         "-w")
             DOWIN="yes"
 	    shift
@@ -222,8 +228,15 @@ if [ "$DOWIN" = "yes" ]; then
     if test "`uname`" = "Linux"; then 
 	info "Crosscompile windows dist"
         cross="yes"
-	configure="mingw32-configure"
-	strip="i686-w64-mingw32-strip"
+	if test "$W64" = "yes"; then
+		warch="x86_64"   # i686 for 32bit, or x86_64 for 64bit
+		mw64="mingw64"   # mingw32 or mingw64
+	else
+		warch="i686"
+		mw64="mingw32"
+	fi
+	configure="${mw64}-configure"   # mingw32-configure, mingw64-configure
+	strip="${warch}-w64-mingw32-strip"
 	makensis="makensis"	# from mingw32-nsis package
 	# flags for crosscompiled dependency libraries
 	cross_flag=""
@@ -241,9 +254,13 @@ if [ "$DOWIN" = "yes" ]; then
 		# configure for crosscompile, without CAPI because it fails
 		# cross-compilation and it is not used anyway
 		# before 1.0.1i need --cross-compile-prefix=i686-w64-mingw32-
-		sslflags="no-asm -DOPENSSL_NO_CAPIENG mingw"
+		if test "$mw64" = "mingw64"; then
+			sslflags="no-asm -DOPENSSL_NO_CAPIENG mingw64"
+		else
+			sslflags="no-asm -DOPENSSL_NO_CAPIENG mingw"
+		fi
 		info "winssl: Configure $sslflags"
-		CC=i686-w64-mingw32-gcc AR=i686-w64-mingw32-ar RANLIB=i686-w64-mingw32-ranlib ./Configure --prefix="$sslinstall" $sslflags || error_cleanup "OpenSSL Configure failed"
+		CC=${warch}-w64-mingw32-gcc AR=${warch}-w64-mingw32-ar RANLIB=${warch}-w64-mingw32-ranlib ./Configure --prefix="$sslinstall" $sslflags || error_cleanup "OpenSSL Configure failed"
 		info "winssl: make"
 		make || error_cleanup "OpenSSL crosscompile failed"
 		# only install sw not docs, which take a long time.
@@ -260,7 +277,7 @@ if [ "$DOWIN" = "yes" ]; then
 		wxpinstall="`pwd`/wxpinstall"
 		cd expat-* || error_cleanup "no expat-X dir in tarball"
 		info "wxp: configure"
-		mingw32-configure --prefix="$wxpinstall" --exec-prefix="$wxpinstall" --bindir="$wxpinstall/bin" --includedir="$wxpinstall/include" --mandir="$wxpinstall/man" --libdir="$wxpinstall/lib"  || error_cleanup "libexpat configure failed"
+		$configure --prefix="$wxpinstall" --exec-prefix="$wxpinstall" --bindir="$wxpinstall/bin" --includedir="$wxpinstall/include" --mandir="$wxpinstall/man" --libdir="$wxpinstall/lib"  || error_cleanup "libexpat configure failed"
 		#info "wxp: make"
 		#make || error_cleanup "libexpat crosscompile failed"
 		info "wxp: make installlib"
@@ -307,8 +324,8 @@ if [ "$DOWIN" = "yes" ]; then
     # procedure for making unbound installer on mingw. 
     info "Creating windows dist unbound $version"
     info "Calling configure"
-    echo "$configure"' --enable-debug --enable-static-exe '"$* $cross_flag"
-    $configure --enable-debug --enable-static-exe $* $cross_flag \
+    echo "$configure"' --enable-debug --enable-static-exe --disable-flto '"$* $cross_flag"
+    $configure --enable-debug --enable-static-exe --disable-flto $* $cross_flag \
 	|| error_cleanup "Could not configure"
     info "Calling make"
     make || error_cleanup "Could not make"
@@ -319,19 +336,20 @@ if [ "$DOWIN" = "yes" ]; then
     rm -f $file
     info "Creating $file"
     mkdir tmp.$$
-    $strip unbound.exe
-    $strip anchor-update.exe
-    $strip unbound-control.exe
-    $strip unbound-host.exe
-    $strip unbound-anchor.exe
-    $strip unbound-checkconf.exe
-    $strip unbound-service-install.exe
-    $strip unbound-service-remove.exe
+    # keep debug symbols
+    #$strip unbound.exe
+    #$strip anchor-update.exe
+    #$strip unbound-control.exe
+    #$strip unbound-host.exe
+    #$strip unbound-anchor.exe
+    #$strip unbound-checkconf.exe
+    #$strip unbound-service-install.exe
+    #$strip unbound-service-remove.exe
     cd tmp.$$
-    cp ../doc/example.conf example.conf
-    cp ../unbound.exe ../unbound-anchor.exe ../unbound-host.exe ../unbound-control.exe ../unbound-checkconf.exe ../unbound-service-install.exe ../unbound-service-remove.exe ../LICENSE ../winrc/unbound-control-setup.cmd ../winrc/unbound-website.url ../winrc/service.conf ../winrc/README.txt .
+    cp ../doc/example.conf ../doc/Changelog .
+    cp ../unbound.exe ../unbound-anchor.exe ../unbound-host.exe ../unbound-control.exe ../unbound-checkconf.exe ../unbound-service-install.exe ../unbound-service-remove.exe ../LICENSE ../winrc/unbound-control-setup.cmd ../winrc/unbound-website.url ../winrc/service.conf ../winrc/README.txt ../contrib/create_unbound_ad_servers.cmd ../contrib/warmup.cmd ../contrib/unbound_cache.cmd .
     # zipfile
-    zip ../$file LICENSE README.txt unbound.exe unbound-anchor.exe unbound-host.exe unbound-control.exe unbound-checkconf.exe unbound-service-install.exe unbound-service-remove.exe unbound-control-setup.cmd example.conf service.conf unbound-website.url
+    zip ../$file LICENSE README.txt unbound.exe unbound-anchor.exe unbound-host.exe unbound-control.exe unbound-checkconf.exe unbound-service-install.exe unbound-service-remove.exe unbound-control-setup.cmd example.conf service.conf unbound-website.url create_unbound_ad_servers.cmd warmup.cmd unbound_cache.cmd Changelog
     info "Testing $file"
     (cd .. ; zip -T $file )
     # installer

pythonmod/doc/examples/example4.rst

@@ -24,7 +24,7 @@ DNS query and word lookup
 
 Let's define the following format od DNS queries: ``word1[.]word2[.] ... wordN[.]{en,cs}[._dict_.cz.]``.
 Word lookup is done by simple ``dict`` lookup from broken DNS request.
-Query name is divided into a list of labels. This list is accesible as qname_list attribute.
+Query name is divided into a list of labels. This list is accessible as qname_list attribute.
 ::
 
    aword = ' '.join(qstate.qinfo.qname_list[0:-4]) #skip last four labels

pythonmod/doc/modules/config.rst

@@ -311,7 +311,7 @@ config_file
    
    .. attribute:: local_data
    
-      Local data RRs configged.
+      Local data RRs configured.
 
    .. attribute:: remote_control_enable
    

pythonmod/doc/modules/env.rst

@@ -68,7 +68,7 @@ Module event
    
 .. data:: module_event_error
 
-   Error occured.
+   Error occurred.
 
 Security status
 ~~~~~~~~~~~~~~~~

pythonmod/doc/modules/struct.rst

@@ -347,12 +347,12 @@ DNSMessage
    
    .. method:: __init__(self, rr_name, rr_type, rr_class = RR_CLASS_IN, query_flags = 0, default_ttl = 0)
    
-      Prepares an answer (DNS packet) from qiven information. Query flags are combination of PKT_xx contants.
+      Prepares an answer (DNS packet) from given information. Query flags are combination of PKT_xx constants.
       
    .. method:: set_return_msg(self, qstate)
    
       This method fills qstate return message according to the given informations. 
-		It takes lists of RRs in each section of answer, created necessray RRsets in wire format and store the result in :attr:`qstate.return_msg`.
+		It takes lists of RRs in each section of answer, created necessary RRsets in wire format and store the result in :attr:`qstate.return_msg`.
 		Returns 1 if OK.
    
    .. attribute:: rr_name

pythonmod/doc/usecase.rst

@@ -9,7 +9,7 @@ Synchronized with database engine, for example *MySQL*.
 
 Firewall control
 ----------------
-Control firewall (e.g. enable incomming SSH connection) with DNS query signed with private key. 
+Control firewall (e.g. enable incoming SSH connection) with DNS query signed with private key. 
 So firewall can blocks every service during normal operation.
 
 Scriptable DNS-based blacklist (DNS-BL_)

pythonmod/pythonmod.c

@@ -141,6 +141,9 @@ int pythonmod_init(struct module_env* env, int id)
 #endif
       Py_SetProgramName(progname);
       Py_NoSiteFlag = 1;
+#if PY_MAJOR_VERSION >= 3
+      PyImport_AppendInittab(SWIG_name, (void*)SWIG_init);
+#endif
       Py_Initialize();
       PyEval_InitThreads();
       SWIG_init();

pythonmod/pythonmod_utils.c

@@ -129,7 +129,8 @@ int createResponse(struct module_qstate* qstate, sldns_buffer* pkt)
 	return 0;
     }
     /* edns is not examined, but removed from message to help cache */
-    if(parse_extract_edns(prs, &edns) != LDNS_RCODE_NOERROR)
+    if(parse_extract_edns(prs, &edns, qstate->env->scratch) !=
+	    LDNS_RCODE_NOERROR)
 	return 0;
 
     /* remove CD-bit, we asked for in case we handle validation ourself */

services/cache/dns.c

@@ -656,8 +656,9 @@ fill_any(struct module_env* env,
 	time_t now = *env->now;
 	struct dns_msg* msg = NULL;
 	uint16_t lookup[] = {LDNS_RR_TYPE_A, LDNS_RR_TYPE_AAAA,
-		LDNS_RR_TYPE_MX, LDNS_RR_TYPE_SOA, LDNS_RR_TYPE_NS, 0};
-	int i, num=5; /* number of RR types to look up */
+		LDNS_RR_TYPE_MX, LDNS_RR_TYPE_SOA, LDNS_RR_TYPE_NS,
+		LDNS_RR_TYPE_DNAME, 0};
+	int i, num=6; /* number of RR types to look up */
 	log_assert(lookup[num] == 0);
 
 	for(i=0; i<num; i++) {
@@ -794,6 +795,12 @@ dns_cache_lookup(struct module_env* env,
 		dname_remove_label(&k.qname, &k.qname_len);
 		h = query_info_hash(&k, flags);
 		e = slabhash_lookup(env->msg_cache, h, &k, 0);
+		if(!e && k.qtype != LDNS_RR_TYPE_NS &&
+			env->cfg->qname_minimisation) {
+			k.qtype = LDNS_RR_TYPE_NS;
+			h = query_info_hash(&k, flags);
+			e = slabhash_lookup(env->msg_cache, h, &k, 0);
+		}
 		if(e) {
 			struct reply_info* data = (struct reply_info*)e->data;
 			struct dns_msg* msg;
@@ -809,6 +816,7 @@ dns_cache_lookup(struct module_env* env,
 			}
 			lock_rw_unlock(&e->lock);
 		}
+		k.qtype = qtype;
 	}
 
 	/* fill common RR types for ANY response to avoid requery */

services/cache/rrset.c

@@ -190,6 +190,7 @@ rrset_cache_update(struct rrset_cache* r, struct rrset_ref* ref,
 	uint16_t rrset_type = ntohs(k->rk.type);
 	int equal = 0;
 	log_assert(ref->id != 0 && k->id != 0);
+	log_assert(k->rk.dname != NULL);
 	/* looks up item with a readlock - no editing! */
 	if((e=slabhash_lookup(&r->table, h, k, 0)) != 0) {
 		/* return id and key as they will be used in the cache

services/listen_dnsport.c

@@ -43,6 +43,9 @@
 #  include <sys/types.h>
 #endif
 #include <sys/time.h>
+#ifdef USE_TCP_FASTOPEN
+#include <netinet/tcp.h>
+#endif
 #include "services/listen_dnsport.h"
 #include "services/outside_network.h"
 #include "util/netevent.h"
@@ -96,10 +99,11 @@ verbose_print_addr(struct addrinfo *addr)
 int
 create_udp_sock(int family, int socktype, struct sockaddr* addr,
         socklen_t addrlen, int v6only, int* inuse, int* noproto,
-	int rcv, int snd, int listen, int* reuseport, int transparent)
+	int rcv, int snd, int listen, int* reuseport, int transparent,
+	int freebind)
 {
 	int s;
-#if defined(SO_REUSEADDR) || defined(SO_REUSEPORT) || defined(IPV6_USE_MIN_MTU)  || defined(IP_TRANSPARENT)
+#if defined(SO_REUSEADDR) || defined(SO_REUSEPORT) || defined(IPV6_USE_MIN_MTU)  || defined(IP_TRANSPARENT) || defined(IP_BINDANY) || defined(IP_FREEBIND)
 	int on=1;
 #endif
 #ifdef IPV6_MTU
@@ -114,8 +118,11 @@ create_udp_sock(int family, int socktype, struct sockaddr* addr,
 #ifndef IPV6_V6ONLY
 	(void)v6only;
 #endif
-#ifndef IP_TRANSPARENT
+#if !defined(IP_TRANSPARENT) && !defined(IP_BINDANY)
 	(void)transparent;
+#endif
+#if !defined(IP_FREEBIND)
+	(void)freebind;
 #endif
 	if((s = socket(family, socktype, 0)) == -1) {
 		*inuse = 0;
@@ -187,8 +194,24 @@ create_udp_sock(int family, int socktype, struct sockaddr* addr,
 			log_warn("setsockopt(.. IP_TRANSPARENT ..) failed: %s",
 			strerror(errno));
 		}
-#endif /* IP_TRANSPARENT */
+#elif defined(IP_BINDANY)
+		if (transparent &&
+		    setsockopt(s, (family==AF_INET6? IPPROTO_IPV6:IPPROTO_IP),
+		    (family == AF_INET6? IPV6_BINDANY:IP_BINDANY),
+		    (void*)&on, (socklen_t)sizeof(on)) < 0) {
+			log_warn("setsockopt(.. IP%s_BINDANY ..) failed: %s",
+			(family==AF_INET6?"V6":""), strerror(errno));
+		}
+#endif /* IP_TRANSPARENT || IP_BINDANY */
 	}
+#ifdef IP_FREEBIND
+	if(freebind &&
+	    setsockopt(s, IPPROTO_IP, IP_FREEBIND, (void*)&on,
+	    (socklen_t)sizeof(on)) < 0) {
+		log_warn("setsockopt(.. IP_FREEBIND ..) failed: %s",
+		strerror(errno));
+	}
+#endif /* IP_FREEBIND */
 	if(rcv) {
 #ifdef SO_RCVBUF
 		int got;
@@ -483,14 +506,20 @@ create_udp_sock(int family, int socktype, struct sockaddr* addr,
 
 int
 create_tcp_accept_sock(struct addrinfo *addr, int v6only, int* noproto,
-	int* reuseport, int transparent)
+	int* reuseport, int transparent, int mss, int freebind)
 {
 	int s;
-#if defined(SO_REUSEADDR) || defined(SO_REUSEPORT) || defined(IPV6_V6ONLY) || defined(IP_TRANSPARENT)
+#if defined(SO_REUSEADDR) || defined(SO_REUSEPORT) || defined(IPV6_V6ONLY) || defined(IP_TRANSPARENT) || defined(IP_BINDANY) || defined(IP_FREEBIND)
 	int on = 1;
 #endif
-#ifndef IP_TRANSPARENT
+#ifdef USE_TCP_FASTOPEN
+	int qlen;
+#endif
+#if !defined(IP_TRANSPARENT) && !defined(IP_BINDANY)
 	(void)transparent;
+#endif
+#if !defined(IP_FREEBIND)
+	(void)freebind;
 #endif
 	verbose_print_addr(addr);
 	*noproto = 0;
@@ -512,6 +541,25 @@ create_tcp_accept_sock(struct addrinfo *addr, int v6only, int* noproto,
 #endif
 		return -1;
 	}
+	if (mss > 0) {
+#if defined(IPPROTO_TCP) && defined(TCP_MAXSEG)
+		if(setsockopt(s, IPPROTO_TCP, TCP_MAXSEG, (void*)&mss,
+			(socklen_t)sizeof(mss)) < 0) {
+			#ifndef USE_WINSOCK
+			log_err(" setsockopt(.. TCP_MAXSEG ..) failed: %s",
+				strerror(errno));
+			#else
+			log_err(" setsockopt(.. TCP_MAXSEG ..) failed: %s",
+				wsa_strerror(WSAGetLastError()));
+			#endif
+		} else {
+			verbose(VERB_ALGO,
+				" tcp socket mss set to %d", mss);
+		}
+#else
+		log_warn(" setsockopt(TCP_MAXSEG) unsupported");
+#endif /* defined(IPPROTO_TCP) && defined(TCP_MAXSEG) */
+	}
 #ifdef SO_REUSEADDR
 	if(setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (void*)&on, 
 		(socklen_t)sizeof(on)) < 0) {
@@ -527,6 +575,13 @@ create_tcp_accept_sock(struct addrinfo *addr, int v6only, int* noproto,
 		return -1;
 	}
 #endif /* SO_REUSEADDR */
+#ifdef IP_FREEBIND
+	if (freebind && setsockopt(s, IPPROTO_IP, IP_FREEBIND, (void*)&on,
+	    (socklen_t)sizeof(on)) < 0) {
+		log_warn("setsockopt(.. IP_FREEBIND ..) failed: %s",
+		strerror(errno));
+	}
+#endif /* IP_FREEBIND */
 #ifdef SO_REUSEPORT
 	/* try to set SO_REUSEPORT so that incoming
 	 * connections are distributed evenly among the receiving threads.
@@ -573,7 +628,15 @@ create_tcp_accept_sock(struct addrinfo *addr, int v6only, int* noproto,
 		log_warn("setsockopt(.. IP_TRANSPARENT ..) failed: %s",
 			strerror(errno));
 	}
-#endif /* IP_TRANSPARENT */
+#elif defined(IP_BINDANY)
+	if (transparent &&
+	    setsockopt(s, (addr->ai_family==AF_INET6? IPPROTO_IPV6:IPPROTO_IP),
+	    (addr->ai_family == AF_INET6? IPV6_BINDANY:IP_BINDANY),
+	    (void*)&on, (socklen_t)sizeof(on)) < 0) {
+		log_warn("setsockopt(.. IP%s_BINDANY ..) failed: %s",
+		(addr->ai_family==AF_INET6?"V6":""), strerror(errno));
+	}
+#endif /* IP_TRANSPARENT || IP_BINDANY */
 	if(bind(s, addr->ai_addr, addr->ai_addrlen) != 0) {
 #ifndef USE_WINSOCK
 		/* detect freebsd jail with no ipv6 permission */
@@ -612,6 +675,22 @@ create_tcp_accept_sock(struct addrinfo *addr, int v6only, int* noproto,
 #endif
 		return -1;
 	}
+#ifdef USE_TCP_FASTOPEN
+	/* qlen specifies how many outstanding TFO requests to allow. Limit is a defense
+	   against IP spoofing attacks as suggested in RFC7413 */
+#ifdef __APPLE__
+	/* OS X implementation only supports qlen of 1 via this call. Actual
+	   value is configured by the net.inet.tcp.fastopen_backlog kernel parm. */
+	qlen = 1;
+#else
+	/* 5 is recommended on linux */
+	qlen = 5;
+#endif
+	if ((setsockopt(s, IPPROTO_TCP, TCP_FASTOPEN, &qlen, 
+		  sizeof(qlen))) == -1 ) {
+		log_err("Setting TCP Fast Open as server failed: %s", strerror(errno));
+	}
+#endif
 	return s;
 }
 
@@ -625,7 +704,7 @@ create_local_accept_sock(const char *path, int* noproto)
 	verbose(VERB_ALGO, "creating unix socket %s", path);
 #ifdef HAVE_STRUCT_SOCKADDR_UN_SUN_LEN
 	/* this member exists on BSDs, not Linux */
-	usock.sun_len = (socklen_t)sizeof(usock);
+	usock.sun_len = (unsigned)sizeof(usock);
 #endif
 	usock.sun_family = AF_LOCAL;
 	/* length is 92-108, 104 on FreeBSD */
@@ -678,7 +757,7 @@ create_local_accept_sock(const char *path, int* noproto)
 static int
 make_sock(int stype, const char* ifname, const char* port, 
 	struct addrinfo *hints, int v6only, int* noip6, size_t rcv, size_t snd,
-	int* reuseport, int transparent)
+	int* reuseport, int transparent, int tcp_mss, int freebind)
 {
 	struct addrinfo *res = NULL;
 	int r, s, inuse, noproto;
@@ -706,7 +785,7 @@ make_sock(int stype, const char* ifname, const char* port,
 		s = create_udp_sock(res->ai_family, res->ai_socktype,
 			(struct sockaddr*)res->ai_addr, res->ai_addrlen,
 			v6only, &inuse, &noproto, (int)rcv, (int)snd, 1,
-			reuseport, transparent);
+			reuseport, transparent, freebind);
 		if(s == -1 && inuse) {
 			log_err("bind: address already in use");
 		} else if(s == -1 && noproto && hints->ai_family == AF_INET6){
@@ -714,7 +793,7 @@ make_sock(int stype, const char* ifname, const char* port,
 		}
 	} else	{
 		s = create_tcp_accept_sock(res, v6only, &noproto, reuseport,
-			transparent);
+			transparent, tcp_mss, freebind);
 		if(s == -1 && noproto && hints->ai_family == AF_INET6){
 			*noip6 = 1;
 		}
@@ -727,7 +806,7 @@ make_sock(int stype, const char* ifname, const char* port,
 static int
 make_sock_port(int stype, const char* ifname, const char* port, 
 	struct addrinfo *hints, int v6only, int* noip6, size_t rcv, size_t snd,
-	int* reuseport, int transparent)
+	int* reuseport, int transparent, int tcp_mss, int freebind)
 {
 	char* s = strchr(ifname, '@');
 	if(s) {
@@ -749,10 +828,10 @@ make_sock_port(int stype, const char* ifname, const char* port,
 		(void)strlcpy(p, s+1, sizeof(p));
 		p[strlen(s+1)]=0;
 		return make_sock(stype, newif, p, hints, v6only, noip6,
-			rcv, snd, reuseport, transparent);
+			rcv, snd, reuseport, transparent, tcp_mss, freebind);
 	}
 	return make_sock(stype, ifname, port, hints, v6only, noip6, rcv, snd,
-		reuseport, transparent);
+		reuseport, transparent, tcp_mss, freebind);
 }
 
 /**
@@ -847,19 +926,23 @@ set_recvpktinfo(int s, int family)
  * @param reuseport: try to set SO_REUSEPORT if nonNULL and true.
  * 	set to false on exit if reuseport failed due to no kernel support.
  * @param transparent: set IP_TRANSPARENT socket option.
+ * @param tcp_mss: maximum segment size of tcp socket. default if zero.
+ * @param freebind: set IP_FREEBIND socket option.
  * @return: returns false on error.
  */
 static int
 ports_create_if(const char* ifname, int do_auto, int do_udp, int do_tcp, 
 	struct addrinfo *hints, const char* port, struct listen_port** list,
-	size_t rcv, size_t snd, int ssl_port, int* reuseport, int transparent)
+	size_t rcv, size_t snd, int ssl_port, int* reuseport, int transparent,
+	int tcp_mss, int freebind)
 {
 	int s, noip6=0;
 	if(!do_udp && !do_tcp)
 		return 0;
 	if(do_auto) {
 		if((s = make_sock_port(SOCK_DGRAM, ifname, port, hints, 1, 
-			&noip6, rcv, snd, reuseport, transparent)) == -1) {
+			&noip6, rcv, snd, reuseport, transparent,
+			tcp_mss, freebind)) == -1) {
 			if(noip6) {
 				log_warn("IPv6 protocol not available");
 				return 1;
@@ -886,7 +969,8 @@ ports_create_if(const char* ifname, int do_auto, int do_udp, int do_tcp,
 	} else if(do_udp) {
 		/* regular udp socket */
 		if((s = make_sock_port(SOCK_DGRAM, ifname, port, hints, 1, 
-			&noip6, rcv, snd, reuseport, transparent)) == -1) {
+			&noip6, rcv, snd, reuseport, transparent,
+			tcp_mss, freebind)) == -1) {
 			if(noip6) {
 				log_warn("IPv6 protocol not available");
 				return 1;
@@ -907,7 +991,8 @@ ports_create_if(const char* ifname, int do_auto, int do_udp, int do_tcp,
 			atoi(strchr(ifname, '@')+1) == ssl_port) ||
 			(!strchr(ifname, '@') && atoi(port) == ssl_port));
 		if((s = make_sock_port(SOCK_STREAM, ifname, port, hints, 1, 
-			&noip6, 0, 0, reuseport, transparent)) == -1) {
+			&noip6, 0, 0, reuseport, transparent, tcp_mss,
+			freebind)) == -1) {
 			if(noip6) {
 				/*log_warn("IPv6 protocol not available");*/
 				return 1;
@@ -1064,7 +1149,8 @@ listening_ports_open(struct config_file* cfg, int* reuseport)
 				&hints, portbuf, &list,
 				cfg->so_rcvbuf, cfg->so_sndbuf,
 				cfg->ssl_port, reuseport,
-				cfg->ip_transparent)) {
+				cfg->ip_transparent,
+				cfg->tcp_mss, cfg->ip_freebind)) {
 				listening_ports_free(list);
 				return NULL;
 			}
@@ -1076,7 +1162,8 @@ listening_ports_open(struct config_file* cfg, int* reuseport)
 				&hints, portbuf, &list,
 				cfg->so_rcvbuf, cfg->so_sndbuf,
 				cfg->ssl_port, reuseport,
-				cfg->ip_transparent)) {
+				cfg->ip_transparent,
+				cfg->tcp_mss, cfg->ip_freebind)) {
 				listening_ports_free(list);
 				return NULL;
 			}
@@ -1090,7 +1177,8 @@ listening_ports_open(struct config_file* cfg, int* reuseport)
 				do_tcp, &hints, portbuf, &list, 
 				cfg->so_rcvbuf, cfg->so_sndbuf,
 				cfg->ssl_port, reuseport,
-				cfg->ip_transparent)) {
+				cfg->ip_transparent,
+				cfg->tcp_mss, cfg->ip_freebind)) {
 				listening_ports_free(list);
 				return NULL;
 			}
@@ -1102,7 +1190,8 @@ listening_ports_open(struct config_file* cfg, int* reuseport)
 				do_tcp, &hints, portbuf, &list, 
 				cfg->so_rcvbuf, cfg->so_sndbuf,
 				cfg->ssl_port, reuseport,
-				cfg->ip_transparent)) {
+				cfg->ip_transparent,
+				cfg->tcp_mss, cfg->ip_freebind)) {
 				listening_ports_free(list);
 				return NULL;
 			}

services/listen_dnsport.h

@@ -190,11 +190,12 @@ void listen_start_accept(struct listen_dnsport* listen);
  * @param reuseport: if nonNULL and true, try to set SO_REUSEPORT on
  * 	listening UDP port.  Set to false on return if it failed to do so.
  * @param transparent: set IP_TRANSPARENT socket option.
+ * @param freebind: set IP_FREEBIND socket option.
  * @return: the socket. -1 on error.
  */
 int create_udp_sock(int family, int socktype, struct sockaddr* addr, 
 	socklen_t addrlen, int v6only, int* inuse, int* noproto, int rcv,
-	int snd, int listen, int* reuseport, int transparent);
+	int snd, int listen, int* reuseport, int transparent, int freebind);
 
 /**
  * Create and bind TCP listening socket
@@ -204,10 +205,12 @@ int create_udp_sock(int family, int socktype, struct sockaddr* addr,
  * @param reuseport: if nonNULL and true, try to set SO_REUSEPORT on
  * 	listening UDP port.  Set to false on return if it failed to do so.
  * @param transparent: set IP_TRANSPARENT socket option.
+ * @param mss: maximum segment size of the socket. if zero, leaves the default. 
+ * @param freebind: set IP_FREEBIND socket option.
  * @return: the socket. -1 on error.
  */
 int create_tcp_accept_sock(struct addrinfo *addr, int v6only, int* noproto,
-	int* reuseport, int transparent);
+	int* reuseport, int transparent, int mss, int freebind);
 
 /**
  * Create and bind local listening socket

services/localzone.c

@@ -51,6 +51,7 @@
 #include "util/netevent.h"
 #include "util/data/msgreply.h"
 #include "util/data/msgparse.h"
+#include "util/as112.h"
 
 struct local_zones* 
 local_zones_create(void)
@@ -93,6 +94,7 @@ local_zone_delete(struct local_zone* z)
 	lock_rw_destroy(&z->lock);
 	regional_destroy(z->region);
 	free(z->name);
+	free(z->taglist);
 	free(z);
 }
 
@@ -170,6 +172,7 @@ lz_enter_zone_dname(struct local_zones* zones, uint8_t* nm, size_t len,
 {
 	struct local_zone* z = local_zone_create(nm, len, labs, t, c);
 	if(!z) {
+		free(nm);
 		log_err("out of memory");
 		return NULL;
 	}
@@ -181,8 +184,11 @@ lz_enter_zone_dname(struct local_zones* zones, uint8_t* nm, size_t len,
 		log_warn("duplicate local-zone");
 		lock_rw_unlock(&z->lock);
 		local_zone_delete(z);
+		/* find the correct zone, so not an error for duplicate */
+		z = local_zones_find(zones, nm, len, labs, c);
+		lock_rw_wrlock(&z->lock);
 		lock_rw_unlock(&zones->lock);
-		return NULL;
+		return z;
 	}
 	lock_rw_unlock(&zones->lock);
 	return z;
@@ -505,6 +511,123 @@ lz_enter_rr_str(struct local_zones* zones, const char* rr)
 	return r;
 }
 
+/** enter tagstring into zone */
+static int
+lz_enter_zone_tag(struct local_zones* zones, char* zname, uint8_t* list,
+	size_t len, uint16_t rr_class)
+{
+	uint8_t dname[LDNS_MAX_DOMAINLEN+1];
+	size_t dname_len = sizeof(dname);
+	int dname_labs, r = 0;
+	struct local_zone* z;
+
+	if(sldns_str2wire_dname_buf(zname, dname, &dname_len) != 0) {
+		log_err("cannot parse zone name in local-zone-tag: %s", zname);
+		return 0;
+	}
+	dname_labs = dname_count_labels(dname);
+	
+	lock_rw_rdlock(&zones->lock);
+	z = local_zones_find(zones, dname, dname_len, dname_labs, rr_class);
+	if(!z) {
+		lock_rw_unlock(&zones->lock);
+		log_err("no local-zone for tag %s", zname);
+		return 0;
+	}
+	lock_rw_wrlock(&z->lock);
+	lock_rw_unlock(&zones->lock);
+	free(z->taglist);
+	z->taglist = memdup(list, len);
+	z->taglen = len;
+	if(z->taglist)
+		r = 1;
+	lock_rw_unlock(&z->lock);
+	return r;
+}
+
+/** enter override into zone */
+static int
+lz_enter_override(struct local_zones* zones, char* zname, char* netblock,
+	char* type, uint16_t rr_class)
+{
+	uint8_t dname[LDNS_MAX_DOMAINLEN+1];
+	size_t dname_len = sizeof(dname);
+	int dname_labs;
+	struct sockaddr_storage addr;
+	int net;
+	socklen_t addrlen;
+	struct local_zone* z;
+	enum localzone_type t;
+
+	/* parse zone name */
+	if(sldns_str2wire_dname_buf(zname, dname, &dname_len) != 0) {
+		log_err("cannot parse zone name in local-zone-override: %s %s",
+			zname, netblock);
+		return 0;
+	}
+	dname_labs = dname_count_labels(dname);
+
+	/* parse netblock */
+	if(!netblockstrtoaddr(netblock, UNBOUND_DNS_PORT, &addr, &addrlen,
+		&net)) {
+		log_err("cannot parse netblock in local-zone-override: %s %s",
+			zname, netblock);
+		return 0;
+	}
+
+	/* parse zone type */
+	if(!local_zone_str2type(type, &t)) {
+		log_err("cannot parse type in local-zone-override: %s %s %s",
+			zname, netblock, type);
+		return 0;
+	}
+
+	/* find localzone entry */
+	lock_rw_rdlock(&zones->lock);
+	z = local_zones_find(zones, dname, dname_len, dname_labs, rr_class);
+	if(!z) {
+		lock_rw_unlock(&zones->lock);
+		log_err("no local-zone for local-zone-override %s", zname);
+		return 0;
+	}
+	lock_rw_wrlock(&z->lock);
+	lock_rw_unlock(&zones->lock);
+
+	/* create netblock addr_tree if not present yet */
+	if(!z->override_tree) {
+		z->override_tree = (struct rbtree_t*)regional_alloc_zero(
+			z->region, sizeof(*z->override_tree));
+		if(!z->override_tree) {
+			lock_rw_unlock(&z->lock);
+			log_err("out of memory");
+			return 0;
+		}
+		addr_tree_init(z->override_tree);
+	}
+	/* add new elem to tree */
+	if(z->override_tree) {
+		struct local_zone_override* n;
+		n = (struct local_zone_override*)regional_alloc_zero(
+			z->region, sizeof(*n));
+		if(!n) {
+			lock_rw_unlock(&z->lock);
+			log_err("out of memory");
+			return 0;
+		}
+		n->type = t;
+		if(!addr_tree_insert(z->override_tree,
+			(struct addr_tree_node*)n, &addr, addrlen, net)) {
+			lock_rw_unlock(&z->lock);
+			log_err("duplicate local-zone-override %s %s",
+				zname, netblock);
+			return 1;
+		}
+	}
+
+	lock_rw_unlock(&z->lock);
+	return 1;
+}
+
 /** parse local-zone: statements */
 static int
 lz_enter_zones(struct local_zones* zones, struct config_file* cfg)
@@ -592,10 +715,11 @@ static int
 lz_enter_defaults(struct local_zones* zones, struct config_file* cfg)
 {
 	struct local_zone* z;
+	const char** zstr;
 
-	/* this list of zones is from RFC 6303 */
+	/* this list of zones is from RFC 6303 and RFC 7686 */
 
-	/* block localhost level zones, first, later the LAN zones */
+	/* block localhost level zones first, then onion and later the LAN zones */
 
 	/* localhost. zone */
 	if(!lz_exists(zones, "localhost.") &&
@@ -653,111 +777,44 @@ lz_enter_defaults(struct local_zones* zones, struct config_file* cfg)
 		}
 		lock_rw_unlock(&z->lock);
 	}
+	/* onion. zone (RFC 7686) */
+	if(!lz_exists(zones, "onion.") &&
+		!lz_nodefault(cfg, "onion.")) {
+		if(!(z=lz_enter_zone(zones, "onion.", "static", 
+			LDNS_RR_CLASS_IN)) ||
+		   !lz_enter_rr_into_zone(z,
+			"onion. 10800 IN NS localhost.") ||
+		   !lz_enter_rr_into_zone(z,
+			"onion. 10800 IN SOA localhost. nobody.invalid. "
+			"1 3600 1200 604800 10800")) {
+			log_err("out of memory adding default zone");
+			if(z) { lock_rw_unlock(&z->lock); }
+			return 0;
+		}
+		lock_rw_unlock(&z->lock);
+	}
 
-	/* if unblock lan-zones, then do not add the zones below.
-	 * we do add the zones above, about 127.0.0.1, because localhost is
-	 * not on the lan. */
-	if(cfg->unblock_lan_zones)
-		return 1;
+	/* block AS112 zones, unless asked not to */
+	if(!cfg->unblock_lan_zones) {
+		for(zstr = as112_zones; *zstr; zstr++) {
+			if(!add_as112_default(zones, cfg, *zstr)) {
+				log_err("out of memory adding default zone");
+				return 0;
+			}
+		}
+	}
+	return 1;
+}
 
-	/* block LAN level zones */
-	if (	!add_as112_default(zones, cfg, "10.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "16.172.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "17.172.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "18.172.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "19.172.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "20.172.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "21.172.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "22.172.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "23.172.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "24.172.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "25.172.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "26.172.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "27.172.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "28.172.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "29.172.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "30.172.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "31.172.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "168.192.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "0.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "64.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "65.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "66.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "67.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "68.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "69.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "70.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "71.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "72.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "73.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "74.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "75.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "76.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "77.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "78.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "79.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "80.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "81.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "82.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "83.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "84.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "85.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "86.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "87.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "88.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "89.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "90.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "91.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "92.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "93.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "94.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "95.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "96.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "97.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "98.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "99.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "100.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "101.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "102.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "103.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "104.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "105.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "106.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "107.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "108.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "109.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "110.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "111.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "112.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "113.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "114.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "115.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "116.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "117.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "118.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "119.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "120.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "121.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "122.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "123.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "124.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "125.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "126.100.in-addr.arpa.") ||
-      		!add_as112_default(zones, cfg, "127.100.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "254.169.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "2.0.192.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "100.51.198.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "113.0.203.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "255.255.255.255.in-addr.arpa.") ||
-		!add_as112_default(zones, cfg, "0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa.") ||
-		!add_as112_default(zones, cfg, "d.f.ip6.arpa.") ||
-		!add_as112_default(zones, cfg, "8.e.f.ip6.arpa.") ||
-		!add_as112_default(zones, cfg, "9.e.f.ip6.arpa.") ||
-		!add_as112_default(zones, cfg, "a.e.f.ip6.arpa.") ||
-		!add_as112_default(zones, cfg, "b.e.f.ip6.arpa.") ||
-		!add_as112_default(zones, cfg, "8.b.d.0.1.0.0.2.ip6.arpa.")) {
-		log_err("out of memory adding default zone");
-		return 0;
+/** parse local-zone-override: statements */
+static int
+lz_enter_overrides(struct local_zones* zones, struct config_file* cfg)
+{
+	struct config_str3list* p;
+	for(p = cfg->local_zone_overrides; p; p = p->next) {
+		if(!lz_enter_override(zones, p->str, p->str2, p->str3,
+			LDNS_RR_CLASS_IN))
+			return 0;
 	}
 	return 1;
 }
@@ -791,6 +848,9 @@ init_parents(struct local_zones* zones)
                                 break;
                         }
                 prev = node;
+
+		if(node->override_tree)
+			addr_tree_init_parents(node->override_tree);
 		lock_rw_unlock(&node->lock);
         }
 	lock_rw_unlock(&zones->lock);
@@ -878,6 +938,22 @@ lz_setup_implicit(struct local_zones* zones, struct config_file* cfg)
 	return 1;
 }
 
+/** enter local-zone-tag info */
+static int
+lz_enter_zone_tags(struct local_zones* zones, struct config_file* cfg)
+{
+	struct config_strbytelist* p;
+	int c = 0;
+	for(p = cfg->local_zone_tags; p; p = p->next) {
+		if(!lz_enter_zone_tag(zones, p->str, p->str2, p->str2len,
+			LDNS_RR_CLASS_IN))
+			return 0;
+		c++;
+	}
+	if(c) verbose(VERB_ALGO, "applied tags to %d local zones", c);
+	return 1;
+}
+	
 /** enter auth data */
 static int
 lz_enter_data(struct local_zones* zones, struct config_file* cfg)
@@ -913,6 +989,10 @@ local_zones_apply_cfg(struct local_zones* zones, struct config_file* cfg)
 	if(!lz_enter_defaults(zones, cfg)) {
 		return 0;
 	}
+	/* enter local zone overrides */
+	if(!lz_enter_overrides(zones, cfg)) {
+		return 0;
+	}
 	/* create implicit transparent zone from data. */
 	if(!lz_setup_implicit(zones, cfg)) {
 		return 0;
@@ -920,6 +1000,10 @@ local_zones_apply_cfg(struct local_zones* zones, struct config_file* cfg)
 
 	/* setup parent ptrs for lookup during data entry */
 	init_parents(zones);
+	/* insert local zone tags */
+	if(!lz_enter_zone_tags(zones, cfg)) {
+		return 0;
+	}
 	/* insert local data */
 	if(!lz_enter_data(zones, cfg)) {
 		return 0;
@@ -932,34 +1016,42 @@ local_zones_apply_cfg(struct local_zones* zones, struct config_file* cfg)
 struct local_zone* 
 local_zones_lookup(struct local_zones* zones,
         uint8_t* name, size_t len, int labs, uint16_t dclass)
+{
+	return local_zones_tags_lookup(zones, name, len, labs,
+		dclass, NULL, 0, 1);
+}
+
+struct local_zone* 
+local_zones_tags_lookup(struct local_zones* zones,
+        uint8_t* name, size_t len, int labs, uint16_t dclass,
+	uint8_t* taglist, size_t taglen, int ignoretags)
 {
 	rbnode_t* res = NULL;
 	struct local_zone *result;
 	struct local_zone key;
+	int m;
 	key.node.key = &key;
 	key.dclass = dclass;
 	key.name = name;
 	key.namelen = len;
 	key.namelabs = labs;
-	if(rbtree_find_less_equal(&zones->ztree, &key, &res)) {
-		/* exact */
-		return (struct local_zone*)res;
-	} else {
-	        /* smaller element (or no element) */
-                int m;
-                result = (struct local_zone*)res;
-                if(!result || result->dclass != dclass)
-                        return NULL;
-                /* count number of labels matched */
-                (void)dname_lab_cmp(result->name, result->namelabs, key.name,
-                        key.namelabs, &m);
-                while(result) { /* go up until qname is subdomain of zone */
-                        if(result->namelabs <= m)
-                                break;
-                        result = result->parent;
-                }
-		return result;
+	rbtree_find_less_equal(&zones->ztree, &key, &res);
+	result = (struct local_zone*)res;
+	/* exact or smaller element (or no element) */
+	if(!result || result->dclass != dclass)
+		return NULL;
+	/* count number of labels matched */
+	(void)dname_lab_cmp(result->name, result->namelabs, key.name,
+		key.namelabs, &m);
+	while(result) { /* go up until qname is zone or subdomain of zone */
+		if(result->namelabs <= m)
+			if(ignoretags || !result->taglist ||
+				taglist_intersect(result->taglist, 
+				result->taglen, taglist, taglen))
+				break;
+		result = result->parent;
 	}
+	return result;
 }
 
 struct local_zone* 
@@ -1031,6 +1123,18 @@ void local_zones_print(struct local_zones* zones)
 			log_nametypeclass(0, "inform_deny zone", 
 				z->name, 0, z->dclass);
 			break;
+		case local_zone_always_transparent:
+			log_nametypeclass(0, "always_transparent zone", 
+				z->name, 0, z->dclass);
+			break;
+		case local_zone_always_refuse:
+			log_nametypeclass(0, "always_refuse zone", 
+				z->name, 0, z->dclass);
+			break;
+		case local_zone_always_nxdomain:
+			log_nametypeclass(0, "always_nxdomain zone", 
+				z->name, 0, z->dclass);
+			break;
 		default:
 			log_nametypeclass(0, "badtyped zone", 
 				z->name, 0, z->dclass);
@@ -1064,7 +1168,8 @@ local_encode(struct query_info* qinfo, struct edns_data* edns,
 	edns->udp_size = EDNS_ADVERTISED_SIZE;
 	edns->ext_rcode = 0;
 	edns->bits &= EDNS_DO;
-	if(!reply_info_answer_encode(qinfo, &rep, 
+	if(!edns_opt_inplace_reply(edns, temp) ||
+	   !reply_info_answer_encode(qinfo, &rep, 
 		*(uint16_t*)sldns_buffer_begin(buf),
 		sldns_buffer_read_u16_at(buf, 2),
 		buf, 0, 0, temp, udpsize, edns, 
@@ -1075,11 +1180,99 @@ local_encode(struct query_info* qinfo, struct edns_data* edns,
 	return 1;
 }
 
+/** find local data tag string match for the given type in the list */
+static int
+find_tag_datas(struct query_info* qinfo, struct config_strlist* list,
+	struct ub_packed_rrset_key* r, struct regional* temp,
+	uint8_t* zname, size_t zlen)
+{
+	struct config_strlist* p;
+	char buf[65536];
+	uint8_t rr[LDNS_RR_BUF_SIZE];
+	size_t len;
+	int res;
+	struct packed_rrset_data* d;
+	for(p=list; p; p=p->next) {
+		len = sizeof(rr);
+		/* does this element match the type? */
+		snprintf(buf, sizeof(buf), ". %s", p->str);
+		res = sldns_str2wire_rr_buf(buf, rr, &len, NULL, 3600,
+			zname, zlen, NULL, 0);
+		if(res != 0)
+			/* parse errors are already checked before, in
+			 * acllist check_data, skip this for robustness */
+			continue;
+		if(len < 1 /* . */ + 8 /* typeclassttl*/ + 2 /*rdatalen*/)
+			continue;
+		if(sldns_wirerr_get_type(rr, len, 1) != qinfo->qtype)
+			continue;
+		
+		/* do we have entries already? if not setup key */
+		if(r->rk.dname == NULL) {
+			r->entry.key = r;
+			r->rk.dname = qinfo->qname;
+			r->rk.dname_len = qinfo->qname_len;
+			r->rk.type = htons(qinfo->qtype);
+			r->rk.rrset_class = htons(qinfo->qclass);
+			r->rk.flags = 0;
+			d = (struct packed_rrset_data*)regional_alloc_zero(
+				temp, sizeof(struct packed_rrset_data)
+				+ sizeof(size_t) + sizeof(uint8_t*) +
+				sizeof(time_t));
+			if(!d) return 0; /* out of memory */
+			r->entry.data = d;
+			d->ttl = sldns_wirerr_get_ttl(rr, len, 1);
+			d->rr_len = (size_t*)((uint8_t*)d +
+				sizeof(struct packed_rrset_data));
+			d->rr_data = (uint8_t**)&(d->rr_len[1]);
+			d->rr_ttl = (time_t*)&(d->rr_data[1]);
+		}
+		d = (struct packed_rrset_data*)r->entry.data;
+		/* add entry to the data */
+		if(d->count != 0) {
+			size_t* oldlen = d->rr_len;
+			uint8_t** olddata = d->rr_data;
+			time_t* oldttl = d->rr_ttl;
+			/* increase arrays for lookup */
+			/* this is of course slow for very many records,
+			 * but most redirects are expected with few records */
+			d->rr_len = (size_t*)regional_alloc_zero(temp,
+				(d->count+1)*sizeof(size_t));
+			d->rr_data = (uint8_t**)regional_alloc_zero(temp,
+				(d->count+1)*sizeof(uint8_t*));
+			d->rr_ttl = (time_t*)regional_alloc_zero(temp,
+				(d->count+1)*sizeof(time_t));
+			if(!d->rr_len || !d->rr_data || !d->rr_ttl)
+				return 0; /* out of memory */
+			/* first one was allocated after struct d, but new
+			 * ones get their own array increment alloc, so
+			 * copy old content */
+			memmove(d->rr_len, oldlen, d->count*sizeof(size_t));
+			memmove(d->rr_data, olddata, d->count*sizeof(uint8_t*));
+			memmove(d->rr_ttl, oldttl, d->count*sizeof(time_t));
+		}
+
+		d->rr_len[d->count] = sldns_wirerr_get_rdatalen(rr, len, 1)+2;
+		d->rr_ttl[d->count] = sldns_wirerr_get_ttl(rr, len, 1);
+		d->rr_data[d->count] = regional_alloc_init(temp,
+			sldns_wirerr_get_rdatawl(rr, len, 1),
+			d->rr_len[d->count]);
+		if(!d->rr_data[d->count])
+			if(!d) return 0; /* out of memory */
+		d->count++;
+	}
+	if(r->rk.dname)
+		return 1;
+	return 0;
+}
+
 /** answer local data match */
 static int
 local_data_answer(struct local_zone* z, struct query_info* qinfo,
 	struct edns_data* edns, sldns_buffer* buf, struct regional* temp,
-	int labs, struct local_data** ldp)
+	int labs, struct local_data** ldp, enum localzone_type lz_type,
+	int tag, struct config_strlist** tag_datas, size_t tag_datas_size,
+	char** tagname, int num_tags)
 {
 	struct local_data key;
 	struct local_data* ld;
@@ -1088,10 +1281,21 @@ local_data_answer(struct local_zone* z, struct query_info* qinfo,
 	key.name = qinfo->qname;
 	key.namelen = qinfo->qname_len;
 	key.namelabs = labs;
-	if(z->type == local_zone_redirect) {
+	if(lz_type == local_zone_redirect) {
 		key.name = z->name;
 		key.namelen = z->namelen;
 		key.namelabs = z->namelabs;
+		if(tag != -1 && (size_t)tag<tag_datas_size && tag_datas[tag]) {
+			struct ub_packed_rrset_key r;
+			memset(&r, 0, sizeof(r));
+			if(find_tag_datas(qinfo, tag_datas[tag], &r, temp,
+				z->name, z->namelen)) {
+				verbose(VERB_ALGO, "redirect with tag data [%d] %s",
+					tag, (tag<num_tags?tagname[tag]:"null"));
+				return local_encode(qinfo, edns, buf, temp,
+					&r, 1, LDNS_RCODE_NOERROR);
+			}
+		}
 	}
 	ld = (struct local_data*)rbtree_search(&z->data, &key.node);
 	*ldp = ld;
@@ -1101,7 +1305,7 @@ local_data_answer(struct local_zone* z, struct query_info* qinfo,
 	lr = local_data_find_type(ld, qinfo->qtype);
 	if(!lr)
 		return 0;
-	if(z->type == local_zone_redirect) {
+	if(lz_type == local_zone_redirect) {
 		/* convert rrset name to query name; like a wildcard */
 		struct ub_packed_rrset_key r = *lr->rrset;
 		r.rk.dname = qinfo->qname;
@@ -1121,25 +1325,28 @@ local_data_answer(struct local_zone* z, struct query_info* qinfo,
  * @param buf: buffer for answer.
  * @param temp: temp region for encoding
  * @param ld: local data, if NULL, no such name exists in localdata.
+ * @param lz_type: type of the local zone
  * @return 1 if a reply is to be sent, 0 if not.
  */
 static int
 lz_zone_answer(struct local_zone* z, struct query_info* qinfo,
 	struct edns_data* edns, sldns_buffer* buf, struct regional* temp,
-	struct local_data* ld)
+	struct local_data* ld, enum localzone_type lz_type)
 {
-	if(z->type == local_zone_deny || z->type == local_zone_inform_deny) {
+	if(lz_type == local_zone_deny || lz_type == local_zone_inform_deny) {
 		/** no reply at all, signal caller by clearing buffer. */
 		sldns_buffer_clear(buf);
 		sldns_buffer_flip(buf);
 		return 1;
-	} else if(z->type == local_zone_refuse) {
+	} else if(lz_type == local_zone_refuse
+		|| lz_type == local_zone_always_refuse) {
 		error_encode(buf, (LDNS_RCODE_REFUSED|BIT_AA), qinfo,
 			*(uint16_t*)sldns_buffer_begin(buf),
 		       sldns_buffer_read_u16_at(buf, 2), edns);
 		return 1;
-	} else if(z->type == local_zone_static ||
-		z->type == local_zone_redirect) {
+	} else if(lz_type == local_zone_static ||
+		lz_type == local_zone_redirect ||
+		lz_type == local_zone_always_nxdomain) {
 		/* for static, reply nodata or nxdomain
 		 * for redirect, reply nodata */
 		/* no additional section processing,
@@ -1147,7 +1354,8 @@ lz_zone_answer(struct local_zone* z, struct query_info* qinfo,
 		 * or using closest match for NSEC.
 		 * or using closest match for returning delegation downwards
 		 */
-		int rcode = ld?LDNS_RCODE_NOERROR:LDNS_RCODE_NXDOMAIN;
+		int rcode = (ld || lz_type == local_zone_redirect)?
+			LDNS_RCODE_NOERROR:LDNS_RCODE_NXDOMAIN;
 		if(z->soa)
 			return local_encode(qinfo, edns, buf, temp, 
 				z->soa, 0, rcode);
@@ -1155,11 +1363,12 @@ lz_zone_answer(struct local_zone* z, struct query_info* qinfo,
 			*(uint16_t*)sldns_buffer_begin(buf), 
 			sldns_buffer_read_u16_at(buf, 2), edns);
 		return 1;
-	} else if(z->type == local_zone_typetransparent) {
+	} else if(lz_type == local_zone_typetransparent
+		|| lz_type == local_zone_always_transparent) {
 		/* no NODATA or NXDOMAINS for this zone type */
 		return 0;
 	}
-	/* else z->type == local_zone_transparent */
+	/* else lz_type == local_zone_transparent */
 
 	/* if the zone is transparent and the name exists, but the type
 	 * does not, then we should make this noerror/nodata */
@@ -1193,21 +1402,70 @@ lz_inform_print(struct local_zone* z, struct query_info* qinfo,
 	log_nametypeclass(0, txt, qinfo->qname, qinfo->qtype, qinfo->qclass);
 }
 
+enum localzone_type
+lz_type(uint8_t *taglist, size_t taglen, uint8_t *taglist2, size_t taglen2,
+	uint8_t *tagactions, size_t tagactionssize, enum localzone_type lzt,
+	struct comm_reply* repinfo, struct rbtree_t* override_tree, int* tag,
+	char** tagname, int num_tags)
+{
+	size_t i, j;
+	uint8_t tagmatch;
+	struct local_zone_override* lzo;	
+	if(repinfo && override_tree) {
+		lzo = (struct local_zone_override*)addr_tree_lookup(
+			override_tree, &repinfo->addr, repinfo->addrlen);
+		if(lzo && lzo->type) {
+			verbose(VERB_ALGO, "local zone override to type %s",
+				local_zone_type2str(lzo->type));
+			return lzo->type;
+		}
+	}
+	if(!taglist || !taglist2)
+		return lzt;
+	for(i=0; i<taglen && i<taglen2; i++) {
+		tagmatch = (taglist[i] & taglist2[i]);
+		for(j=0; j<8 && tagmatch>0; j++) {
+			if((tagmatch & 0x1)) {
+				*tag = (int)(i*8+j);
+				verbose(VERB_ALGO, "matched tag [%d] %s",
+					*tag, (*tag<num_tags?tagname[*tag]:"null"));
+				/* does this tag have a tag action? */
+				if(i*8+j < tagactionssize && tagactions
+				   && tagactions[i*8+j] != 0) {
+				  verbose(VERB_ALGO, "tag action [%d] %s to type %s",
+					*tag, (*tag<num_tags?tagname[*tag]:"null"),
+				  	local_zone_type2str(
+					(enum localzone_type)
+					tagactions[i*8+j]));
+				  return (enum localzone_type)tagactions[i*8+j];
+				}
+				return lzt;
+			}
+			tagmatch >>= 1;	
+		}
+	}
+	return lzt;
+}
+
 int 
 local_zones_answer(struct local_zones* zones, struct query_info* qinfo,
 	struct edns_data* edns, sldns_buffer* buf, struct regional* temp,
-	struct comm_reply* repinfo)
+	struct comm_reply* repinfo, uint8_t* taglist, size_t taglen,
+	uint8_t* tagactions, size_t tagactionssize,
+	struct config_strlist** tag_datas, size_t tag_datas_size,
+	char** tagname, int num_tags)
 {
 	/* see if query is covered by a zone,
 	 * 	if so:	- try to match (exact) local data 
 	 * 		- look at zone type for negative response. */
 	int labs = dname_count_labels(qinfo->qname);
-	struct local_data* ld;
+	struct local_data* ld = NULL;
 	struct local_zone* z;
-	int r;
+	enum localzone_type lzt;
+	int r, tag = -1;
 	lock_rw_rdlock(&zones->lock);
-	z = local_zones_lookup(zones, qinfo->qname,
-		qinfo->qname_len, labs, qinfo->qclass);
+	z = local_zones_tags_lookup(zones, qinfo->qname,
+		qinfo->qname_len, labs, qinfo->qclass, taglist, taglen, 0);
 	if(!z) {
 		lock_rw_unlock(&zones->lock);
 		return 0;
@@ -1215,15 +1473,22 @@ local_zones_answer(struct local_zones* zones, struct query_info* qinfo,
 	lock_rw_rdlock(&z->lock);
 	lock_rw_unlock(&zones->lock);
 
-	if((z->type == local_zone_inform || z->type == local_zone_inform_deny)
+	lzt = lz_type(taglist, taglen, z->taglist, z->taglen, tagactions,
+		tagactionssize, z->type, repinfo, z->override_tree, &tag,
+		tagname, num_tags);
+
+	if((lzt == local_zone_inform || lzt == local_zone_inform_deny)
 		&& repinfo)
 		lz_inform_print(z, qinfo, repinfo);
 
-	if(local_data_answer(z, qinfo, edns, buf, temp, labs, &ld)) {
+	if(lzt != local_zone_always_refuse && lzt != local_zone_always_transparent
+		&& lzt != local_zone_always_nxdomain
+		&& local_data_answer(z, qinfo, edns, buf, temp, labs, &ld, lzt,
+		tag, tag_datas, tag_datas_size, tagname, num_tags)) {
 		lock_rw_unlock(&z->lock);
 		return 1;
 	}
-	r = lz_zone_answer(z, qinfo, edns, buf, temp, ld);
+	r = lz_zone_answer(z, qinfo, edns, buf, temp, ld, lzt);
 	lock_rw_unlock(&z->lock);
 	return r;
 }
@@ -1240,6 +1505,9 @@ const char* local_zone_type2str(enum localzone_type t)
 		case local_zone_nodefault: return "nodefault";
 		case local_zone_inform: return "inform";
 		case local_zone_inform_deny: return "inform_deny";
+		case local_zone_always_transparent: return "always_transparent";
+		case local_zone_always_refuse: return "always_refuse";
+		case local_zone_always_nxdomain: return "always_nxdomain";
 	}
 	return "badtyped"; 
 }
@@ -1262,6 +1530,12 @@ int local_zone_str2type(const char* type, enum localzone_type* t)
 		*t = local_zone_inform;
 	else if(strcmp(type, "inform_deny") == 0)
 		*t = local_zone_inform_deny;
+	else if(strcmp(type, "always_transparent") == 0)
+		*t = local_zone_always_transparent;
+	else if(strcmp(type, "always_refuse") == 0)
+		*t = local_zone_always_refuse;
+	else if(strcmp(type, "always_nxdomain") == 0)
+		*t = local_zone_always_nxdomain;
 	else return 0;
 	return 1;
 }
@@ -1298,7 +1572,10 @@ struct local_zone* local_zones_add_zone(struct local_zones* zones,
 {
 	/* create */
 	struct local_zone* z = local_zone_create(name, len, labs, tp, dclass);
-	if(!z) return NULL;
+	if(!z) {
+		free(name);
+		return NULL;
+	}
 	lock_rw_wrlock(&z->lock);
 
 	/* find the closest parent */

services/localzone.h

@@ -43,6 +43,7 @@
 #define SERVICES_LOCALZONE_H
 #include "util/rbtree.h"
 #include "util/locks.h"
+#include "util/storage/dnstree.h"
 struct ub_packed_rrset_key;
 struct regional;
 struct config_file;
@@ -50,6 +51,7 @@ struct edns_data;
 struct query_info;
 struct sldns_buffer;
 struct comm_reply;
+struct config_strlist;
 
 /**
  * Local zone type
@@ -75,7 +77,13 @@ enum localzone_type {
 	/** log client address, but no block (transparent) */
 	local_zone_inform,
 	/** log client address, and block (drop) */
-	local_zone_inform_deny
+	local_zone_inform_deny,
+	/** resolve normally, even when there is local data */	
+	local_zone_always_transparent,
+	/** answer with error, even when there is local data */	
+	local_zone_always_refuse,
+	/** answer with nxdomain, even when there is local data */
+	local_zone_always_nxdomain
 };
 
 /**
@@ -115,6 +123,13 @@ struct local_zone {
 
 	/** how to process zone */
 	enum localzone_type type;
+	/** tag bitlist */
+	uint8_t* taglist;
+	/** length of the taglist (in bytes) */
+	size_t taglen;
+	/** netblock addr_tree with struct local_zone_override information
+	 * or NULL if there are no override elements */
+	struct rbtree_t* override_tree;
 
 	/** in this region the zone's data is allocated.
 	 * the struct local_zone itself is malloced. */
@@ -153,6 +168,16 @@ struct local_rrset {
 	struct ub_packed_rrset_key* rrset;
 };
 
+/**
+ * Local zone override information
+ */
+struct local_zone_override {
+	/** node in addrtree */
+	struct addr_tree_node node;
+	/** override for local zone type */
+	enum localzone_type type;
+};
+
 /**
  * Create local zones storage
  * @return new struct or NULL on error.
@@ -197,6 +222,24 @@ int local_data_cmp(const void* d1, const void* d2);
  */
 void local_zone_delete(struct local_zone* z);
 
+/**
+ * Lookup zone that contains the given name, class and taglist.
+ * User must lock the tree or result zone.
+ * @param zones: the zones tree
+ * @param name: dname to lookup
+ * @param len: length of name.
+ * @param labs: labelcount of name.
+ * @param dclass: class to lookup.
+ * @param taglist: taglist to lookup.
+ * @param taglen: lenth of taglist.
+ * @param ignoretags: lookup zone by name and class, regardless the
+ * local-zone's tags.
+ * @return closest local_zone or NULL if no covering zone is found.
+ */
+struct local_zone* local_zones_tags_lookup(struct local_zones* zones, 
+	uint8_t* name, size_t len, int labs, uint16_t dclass, 
+	uint8_t* taglist, size_t taglen, int ignoretags);
+
 /**
  * Lookup zone that contains the given name, class.
  * User must lock the tree or result zone.
@@ -226,13 +269,24 @@ void local_zones_print(struct local_zones* zones);
  * @param buf: buffer with query ID and flags, also for reply.
  * @param temp: temporary storage region.
  * @param repinfo: source address for checks. may be NULL.
+ * @param taglist: taglist for checks. May be NULL.
+ * @param taglen: length of the taglist.
+ * @param tagactions: local zone actions for tags. May be NULL.
+ * @param tagactionssize: length of the tagactions.
+ * @param tag_datas: array per tag of strlist with rdata strings. or NULL.
+ * @param tag_datas_size: size of tag_datas array.
+ * @param tagname: array of tag name strings (for debug output).
+ * @param num_tags: number of items in tagname array.
  * @return true if answer is in buffer. false if query is not answered 
  * by authority data. If the reply should be dropped altogether, the return 
  * value is true, but the buffer is cleared (empty).
  */
 int local_zones_answer(struct local_zones* zones, struct query_info* qinfo,
 	struct edns_data* edns, struct sldns_buffer* buf, struct regional* temp,
-	struct comm_reply* repinfo);
+	struct comm_reply* repinfo, uint8_t* taglist, size_t taglen,
+	uint8_t* tagactions, size_t tagactionssize,
+	struct config_strlist** tag_datas, size_t tag_datas_size,
+	char** tagname, int num_tags);
 
 /**
  * Parse the string into localzone type.

services/mesh.c

@@ -315,6 +315,8 @@ void mesh_new_client(struct mesh_area* mesh, struct query_info* qinfo,
 		s = mesh_state_create(mesh->env, qinfo, qflags&(BIT_RD|BIT_CD), 0, 0);
 		if(!s) {
 			log_err("mesh_state_create: out of memory; SERVFAIL");
+			if(!edns_opt_inplace_reply(edns, mesh->env->scratch))
+				edns->opt_list = NULL;
 			error_encode(rep->c->buffer, LDNS_RCODE_SERVFAIL,
 				qinfo, qid, qflags, edns);
 			comm_point_send_reply(rep);
@@ -338,6 +340,8 @@ void mesh_new_client(struct mesh_area* mesh, struct query_info* qinfo,
 	/* add reply to s */
 	if(!mesh_state_add_reply(s, edns, rep, qid, qflags, qinfo->qname)) {
 			log_err("mesh_new_client: out of memory; SERVFAIL");
+			if(!edns_opt_inplace_reply(edns, mesh->env->scratch))
+				edns->opt_list = NULL;
 			error_encode(rep->c->buffer, LDNS_RCODE_SERVFAIL,
 				qinfo, qid, qflags, edns);
 			comm_point_send_reply(rep);
@@ -809,7 +813,8 @@ mesh_do_callback(struct mesh_state* m, int rcode, struct reply_info* rep,
 		r->edns.udp_size = EDNS_ADVERTISED_SIZE;
 		r->edns.ext_rcode = 0;
 		r->edns.bits &= EDNS_DO;
-		if(!reply_info_answer_encode(&m->s.qinfo, rep, r->qid, 
+		if(!edns_opt_inplace_reply(&r->edns, m->s.region) ||
+		   !reply_info_answer_encode(&m->s.qinfo, rep, r->qid, 
 			r->qflags, r->buf, 0, 1, 
 			m->s.env->scratch, udp_size, &r->edns, 
 			(int)(r->edns.bits & EDNS_DO), secure)) 
@@ -859,7 +864,9 @@ mesh_send_reply(struct mesh_state* m, int rcode, struct reply_info* rep,
 	if(prev && prev->qflags == r->qflags && 
 		prev->edns.edns_present == r->edns.edns_present && 
 		prev->edns.bits == r->edns.bits && 
-		prev->edns.udp_size == r->edns.udp_size) {
+		prev->edns.udp_size == r->edns.udp_size &&
+		edns_opt_list_compare(prev->edns.opt_list, r->edns.opt_list)
+		== 0) {
 		/* if the previous reply is identical to this one, fix ID */
 		if(prev->query_reply.c->buffer != r->query_reply.c->buffer)
 			sldns_buffer_copy(r->query_reply.c->buffer, 
@@ -881,7 +888,8 @@ mesh_send_reply(struct mesh_state* m, int rcode, struct reply_info* rep,
 		r->edns.ext_rcode = 0;
 		r->edns.bits &= EDNS_DO;
 		m->s.qinfo.qname = r->qname;
-		if(!reply_info_answer_encode(&m->s.qinfo, rep, r->qid, 
+		if(!edns_opt_inplace_reply(&r->edns, m->s.region) ||
+		   !reply_info_answer_encode(&m->s.qinfo, rep, r->qid, 
 			r->qflags, r->query_reply.c->buffer, 0, 1, 
 			m->s.env->scratch, udp_size, &r->edns, 
 			(int)(r->edns.bits & EDNS_DO), secure)) 
@@ -973,6 +981,12 @@ int mesh_state_add_cb(struct mesh_state* s, struct edns_data* edns,
 	r->cb = cb;
 	r->cb_arg = cb_arg;
 	r->edns = *edns;
+	if(edns->opt_list) {
+		r->edns.opt_list = edns_opt_copy_region(edns->opt_list,
+			s->s.region);
+		if(!r->edns.opt_list)
+			return 0;
+	}
 	r->qid = qid;
 	r->qflags = qflags;
 	r->next = s->cb_list;
@@ -990,6 +1004,12 @@ int mesh_state_add_reply(struct mesh_state* s, struct edns_data* edns,
 		return 0;
 	r->query_reply = *rep;
 	r->edns = *edns;
+	if(edns->opt_list) {
+		r->edns.opt_list = edns_opt_copy_region(edns->opt_list,
+			s->s.region);
+		if(!r->edns.opt_list)
+			return 0;
+	}
 	r->qid = qid;
 	r->qflags = qflags;
 	r->start_time = *s->s.env->now_tv;
@@ -1000,7 +1020,6 @@ int mesh_state_add_reply(struct mesh_state* s, struct edns_data* edns,
 		return 0;
 	s->reply_list = r;
 	return 1;
-
 }
 
 /**
@@ -1050,6 +1069,12 @@ mesh_continue(struct mesh_area* mesh, struct mesh_state* mstate,
 		*ev = module_event_pass;
 		return 1;
 	}
+	if(s == module_wait_subquery && mstate->sub_set.count == 0) {
+		log_err("module cannot wait for subquery, subquery list empty");
+		log_query_info(VERB_QUERY, "pass error for qstate",
+			&mstate->s.qinfo);
+		s = module_error;
+	}
 	if(s == module_error && mstate->s.return_rcode == LDNS_RCODE_NOERROR) {
 		/* error is bad, handle pass back up below */
 		mstate->s.return_rcode = LDNS_RCODE_SERVFAIL;

services/modstack.c

@@ -50,6 +50,9 @@
 #ifdef WITH_PYTHONMODULE
 #include "pythonmod/pythonmod.h"
 #endif
+#ifdef USE_CACHEDB
+#include "cachedb/cachedb.h"
+#endif
 
 /** count number of modules (words) in the string */
 static int
@@ -120,6 +123,9 @@ module_list_avail(void)
 		"dns64",
 #ifdef WITH_PYTHONMODULE
 		"python", 
+#endif
+#ifdef USE_CACHEDB
+		"cachedb",
 #endif
 		"validator", 
 		"iterator", 
@@ -138,6 +144,9 @@ module_funcs_avail(void)
 		&dns64_get_funcblock,
 #ifdef WITH_PYTHONMODULE
 		&pythonmod_get_funcblock, 
+#endif
+#ifdef USE_CACHEDB
+		&cachedb_get_funcblock,
 #endif
 		&val_get_funcblock, 
 		&iter_get_funcblock, 

services/outside_network.c

@@ -122,6 +122,8 @@ serviced_cmp(const void* key1, const void* key2)
 	}
 	if((r = query_dname_compare(q1->qbuf+10, q2->qbuf+10)) != 0)
 		return r;
+	if((r = edns_opt_list_compare(q1->opt_list, q2->opt_list)) != 0)
+		return r;
 	return sockaddr_cmp(&q1->addr, q1->addrlen, &q2->addr, q2->addrlen);
 }
 
@@ -222,11 +224,52 @@ outnet_tcp_take_into_use(struct waiting_tcp* w, uint8_t* pkt, size_t pkt_len)
 #endif
 		return 0;
 	}
+
+	if (w->outnet->tcp_mss > 0) {
+#if defined(IPPROTO_TCP) && defined(TCP_MAXSEG)
+		if(setsockopt(s, IPPROTO_TCP, TCP_MAXSEG,
+			(void*)&w->outnet->tcp_mss,
+			(socklen_t)sizeof(w->outnet->tcp_mss)) < 0) {
+			verbose(VERB_ALGO, "outgoing tcp:"
+				" setsockopt(.. SO_REUSEADDR ..) failed");
+		}
+#else
+		verbose(VERB_ALGO, "outgoing tcp:"
+			" setsockopt(TCP_MAXSEG) unsupported");
+#endif /* defined(IPPROTO_TCP) && defined(TCP_MAXSEG) */
+	}
+
 	if(!pick_outgoing_tcp(w, s))
 		return 0;
 
 	fd_set_nonblock(s);
+#ifdef USE_OSX_MSG_FASTOPEN
+	/* API for fast open is different here. We use a connectx() function and 
+	   then writes can happen as normal even using SSL.*/
+	/* connectx requires that the len be set in the sockaddr struct*/
+	struct sockaddr_in *addr_in = (struct sockaddr_in *)&w->addr;
+	addr_in->sin_len = w->addrlen;
+	sa_endpoints_t endpoints;
+	endpoints.sae_srcif = 0;
+	endpoints.sae_srcaddr = NULL;
+	endpoints.sae_srcaddrlen = 0;
+	endpoints.sae_dstaddr = (struct sockaddr *)&w->addr;
+	endpoints.sae_dstaddrlen = w->addrlen;
+	if (connectx(s, &endpoints, SAE_ASSOCID_ANY,  
+	             CONNECT_DATA_IDEMPOTENT | CONNECT_RESUME_ON_READ_WRITE,
+	             NULL, 0, NULL, NULL) == -1) {
+#else /* USE_OSX_MSG_FASTOPEN*/
+#ifdef USE_MSG_FASTOPEN
+	pend->c->tcp_do_fastopen = 1;
+	/* Only do TFO for TCP in which case no connect() is required here.
+	   Don't combine client TFO with SSL, since OpenSSL can't 
+	   currently support doing a handshake on fd that already isn't connected*/
+	if (w->outnet->sslctx && w->ssl_upstream) {
+		if(connect(s, (struct sockaddr*)&w->addr, w->addrlen) == -1) {
+#else /* USE_MSG_FASTOPEN*/
 	if(connect(s, (struct sockaddr*)&w->addr, w->addrlen) == -1) {
+#endif /* USE_MSG_FASTOPEN*/
+#endif /* USE_OSX_MSG_FASTOPEN*/
 #ifndef USE_WINSOCK
 #ifdef EINPROGRESS
 		if(errno != EINPROGRESS) {
@@ -246,6 +289,9 @@ outnet_tcp_take_into_use(struct waiting_tcp* w, uint8_t* pkt, size_t pkt_len)
 			return 0;
 		}
 	}
+#ifdef USE_MSG_FASTOPEN
+	}
+#endif /* USE_MSG_FASTOPEN */
 	if(w->outnet->sslctx && w->ssl_upstream) {
 		pend->c->ssl = outgoing_ssl_fd(w->outnet->sslctx, s);
 		if(!pend->c->ssl) {
@@ -574,7 +620,9 @@ static int setup_if(struct port_if* pif, const char* addrstr,
 	pif->avail_ports = (int*)memdup(avail, (size_t)numavail*sizeof(int));
 	if(!pif->avail_ports)
 		return 0;
-	if(!ipstrtoaddr(addrstr, UNBOUND_DNS_PORT, &pif->addr, &pif->addrlen))
+	if(!ipstrtoaddr(addrstr, UNBOUND_DNS_PORT, &pif->addr, &pif->addrlen) &&
+	   !netblockstrtoaddr(addrstr, UNBOUND_DNS_PORT,
+			      &pif->addr, &pif->addrlen, &pif->pfxlen))
 		return 0;
 	pif->maxout = (int)numfd;
 	pif->inuse = 0;
@@ -590,7 +638,7 @@ outside_network_create(struct comm_base *base, size_t bufsize,
 	size_t num_ports, char** ifs, int num_ifs, int do_ip4, 
 	int do_ip6, size_t num_tcp, struct infra_cache* infra,
 	struct ub_randstate* rnd, int use_caps_for_id, int* availports, 
-	int numavailports, size_t unwanted_threshold,
+	int numavailports, size_t unwanted_threshold, int tcp_mss,
 	void (*unwanted_action)(void*), void* unwanted_param, int do_udp,
 	void* sslctx, int delayclose, struct dt_env* dtenv)
 {
@@ -620,6 +668,7 @@ outside_network_create(struct comm_base *base, size_t bufsize,
 	outnet->unwanted_param = unwanted_param;
 	outnet->use_caps_for_id = use_caps_for_id;
 	outnet->do_udp = do_udp;
+	outnet->tcp_mss = tcp_mss;
 #ifndef S_SPLINT_S
 	if(delayclose) {
 		outnet->delayclose = 1;
@@ -741,6 +790,7 @@ serviced_node_del(rbnode_t* node, void* ATTR_UNUSED(arg))
 	struct service_callback* p = sq->cblist, *np;
 	free(sq->qbuf);
 	free(sq->zone);
+	edns_opt_list_free(sq->opt_list);
 	while(p) {
 		np = p->next;
 		free(p);
@@ -874,32 +924,55 @@ pending_delete(struct outside_network* outnet, struct pending* p)
 	free(p);
 }
 
+static void
+sai6_putrandom(struct sockaddr_in6 *sa, int pfxlen, struct ub_randstate *rnd)
+{
+	int i, last;
+	if(!(pfxlen > 0 && pfxlen < 128))
+		return;
+	for(i = 0; i < (128 - pfxlen) / 8; i++) {
+		sa->sin6_addr.s6_addr[15-i] = (uint8_t)ub_random_max(rnd, 256);
+	}
+	last = pfxlen & 7;
+	if(last != 0) {
+		sa->sin6_addr.s6_addr[15-i] |=
+			((0xFF >> last) & ub_random_max(rnd, 256));
+	}
+}
+
 /**
  * Try to open a UDP socket for outgoing communication.
  * Sets sockets options as needed.
  * @param addr: socket address.
  * @param addrlen: length of address.
+ * @param pfxlen: length of network prefix (for address randomisation).
  * @param port: port override for addr.
  * @param inuse: if -1 is returned, this bool means the port was in use.
+ * @param rnd: random state (for address randomisation).
  * @return fd or -1
  */
 static int
-udp_sockport(struct sockaddr_storage* addr, socklen_t addrlen, int port, 
-	int* inuse)
+udp_sockport(struct sockaddr_storage* addr, socklen_t addrlen, int pfxlen,
+	int port, int* inuse, struct ub_randstate* rnd)
 {
 	int fd, noproto;
 	if(addr_is_ip6(addr, addrlen)) {
-		struct sockaddr_in6* sa = (struct sockaddr_in6*)addr;
-		sa->sin6_port = (in_port_t)htons((uint16_t)port);
+		int freebind = 0;
+		struct sockaddr_in6 sa = *(struct sockaddr_in6*)addr;
+		sa.sin6_port = (in_port_t)htons((uint16_t)port);
+		if(pfxlen != 0) {
+			freebind = 1;
+			sai6_putrandom(&sa, pfxlen, rnd);
+		}
 		fd = create_udp_sock(AF_INET6, SOCK_DGRAM, 
-			(struct sockaddr*)addr, addrlen, 1, inuse, &noproto,
-			0, 0, 0, NULL, 0);
+			(struct sockaddr*)&sa, addrlen, 1, inuse, &noproto,
+			0, 0, 0, NULL, 0, freebind);
 	} else {
 		struct sockaddr_in* sa = (struct sockaddr_in*)addr;
 		sa->sin_port = (in_port_t)htons((uint16_t)port);
 		fd = create_udp_sock(AF_INET, SOCK_DGRAM, 
 			(struct sockaddr*)addr, addrlen, 1, inuse, &noproto,
-			0, 0, 0, NULL, 0);
+			0, 0, 0, NULL, 0, 0);
 	}
 	return fd;
 }
@@ -959,7 +1032,8 @@ select_ifport(struct outside_network* outnet, struct pending* pend,
 		/* try to open new port, if fails, loop to try again */
 		log_assert(pif->inuse < pif->maxout);
 		portno = pif->avail_ports[my_port - pif->inuse];
-		fd = udp_sockport(&pif->addr, pif->addrlen, portno, &inuse);
+		fd = udp_sockport(&pif->addr, pif->addrlen, pif->pfxlen,
+			portno, &inuse, outnet->rnd);
 		if(fd == -1 && !inuse) {
 			/* nonrecoverable error making socket */
 			return 0;
@@ -1203,7 +1277,8 @@ serviced_gen_query(sldns_buffer* buff, uint8_t* qname, size_t qnamelen,
 /** lookup serviced query in serviced query rbtree */
 static struct serviced_query*
 lookup_serviced(struct outside_network* outnet, sldns_buffer* buff, int dnssec,
-	struct sockaddr_storage* addr, socklen_t addrlen)
+	struct sockaddr_storage* addr, socklen_t addrlen,
+	struct edns_option* opt_list)
 {
 	struct serviced_query key;
 	key.node.key = &key;
@@ -1213,6 +1288,7 @@ lookup_serviced(struct outside_network* outnet, sldns_buffer* buff, int dnssec,
 	memcpy(&key.addr, addr, addrlen);
 	key.addrlen = addrlen;
 	key.outnet = outnet;
+	key.opt_list = opt_list;
 	return (struct serviced_query*)rbtree_search(outnet->serviced, &key);
 }
 
@@ -1221,7 +1297,7 @@ static struct serviced_query*
 serviced_create(struct outside_network* outnet, sldns_buffer* buff, int dnssec,
 	int want_dnssec, int nocaps, int tcp_upstream, int ssl_upstream,
 	struct sockaddr_storage* addr, socklen_t addrlen, uint8_t* zone,
-	size_t zonelen, int qtype)
+	size_t zonelen, int qtype, struct edns_option* opt_list)
 {
 	struct serviced_query* sq = (struct serviced_query*)malloc(sizeof(*sq));
 #ifdef UNBOUND_DEBUG
@@ -1251,6 +1327,16 @@ serviced_create(struct outside_network* outnet, sldns_buffer* buff, int dnssec,
 	sq->ssl_upstream = ssl_upstream;
 	memcpy(&sq->addr, addr, addrlen);
 	sq->addrlen = addrlen;
+	sq->opt_list = NULL;
+	if(opt_list) {
+		sq->opt_list = edns_opt_copy_alloc(opt_list);
+		if(!sq->opt_list) {
+			free(sq->zone);
+			free(sq->qbuf);
+			free(sq);
+			return NULL;
+		}
+	}
 	sq->outnet = outnet;
 	sq->cblist = NULL;
 	sq->pending = NULL;
@@ -1330,6 +1416,7 @@ serviced_perturb_qname(struct ub_randstate* rnd, uint8_t* qbuf, size_t len)
 	long int random = 0;
 	int bits = 0;
 	log_assert(len >= 10 + 5 /* offset qname, root, qtype, qclass */);
+	(void)len;
 	lablen = *d++;
 	while(lablen) {
 		while(lablen--) {
@@ -1378,6 +1465,7 @@ serviced_encode(struct serviced_query* sq, sldns_buffer* buff, int with_edns)
 		edns.edns_present = 1;
 		edns.ext_rcode = 0;
 		edns.edns_version = EDNS_ADVERTISED_VERSION;
+		edns.opt_list = sq->opt_list;
 		if(sq->status == serviced_query_UDP_EDNS_FRAG) {
 			if(addr_is_ip6(&sq->addr, sq->addrlen)) {
 				if(EDNS_FRAG_SIZE_IP6 < EDNS_ADVERTISED_SIZE)
@@ -1511,7 +1599,10 @@ serviced_callbacks(struct serviced_query* sq, int error, struct comm_point* c,
 	sq->to_be_deleted = 1; 
 	verbose(VERB_ALGO, "svcd callbacks start");
 	if(sq->outnet->use_caps_for_id && error == NETEVENT_NOERROR && c &&
-		!sq->nocaps) {
+		!sq->nocaps && sq->qtype != LDNS_RR_TYPE_PTR) {
+		/* for type PTR do not check perturbed name in answer,
+		 * compatibility with cisco dns guard boxes that mess up
+		 * reverse queries 0x20 contents */
 		/* noerror and nxdomain must have a qname in reply */
 		if(sldns_buffer_read_u16_at(c->buffer, 4) == 0 &&
 			(LDNS_RCODE_WIRE(sldns_buffer_begin(c->buffer))
@@ -1692,6 +1783,44 @@ serviced_tcp_send(struct serviced_query* sq, sldns_buffer* buff)
 	return sq->pending != NULL;
 }
 
+/* see if packet is edns malformed; got zeroes at start.
+ * This is from servers that return malformed packets to EDNS0 queries,
+ * but they return good packets for nonEDNS0 queries.
+ * We try to detect their output; without resorting to a full parse or
+ * check for too many bytes after the end of the packet. */
+static int
+packet_edns_malformed(struct sldns_buffer* buf, int qtype)
+{
+	size_t len;
+	if(sldns_buffer_limit(buf) < LDNS_HEADER_SIZE)
+		return 1; /* malformed */
+	/* they have NOERROR rcode, 1 answer. */
+	if(LDNS_RCODE_WIRE(sldns_buffer_begin(buf)) != LDNS_RCODE_NOERROR)
+		return 0;
+	/* one query (to skip) and answer records */
+	if(LDNS_QDCOUNT(sldns_buffer_begin(buf)) != 1 ||
+		LDNS_ANCOUNT(sldns_buffer_begin(buf)) == 0)
+		return 0;
+	/* skip qname */
+	len = dname_valid(sldns_buffer_at(buf, LDNS_HEADER_SIZE),
+		sldns_buffer_limit(buf)-LDNS_HEADER_SIZE);
+	if(len == 0)
+		return 0;
+	if(len == 1 && qtype == 0)
+		return 0; /* we asked for '.' and type 0 */
+	/* and then 4 bytes (type and class of query) */
+	if(sldns_buffer_limit(buf) < LDNS_HEADER_SIZE + len + 4 + 3)
+		return 0;
+
+	/* and start with 11 zeroes as the answer RR */
+	/* so check the qtype of the answer record, qname=0, type=0 */
+	if(sldns_buffer_at(buf, LDNS_HEADER_SIZE+len+4)[0] == 0 &&
+	   sldns_buffer_at(buf, LDNS_HEADER_SIZE+len+4)[1] == 0 &&
+	   sldns_buffer_at(buf, LDNS_HEADER_SIZE+len+4)[2] == 0)
+		return 1;
+	return 0;
+}
+
 int 
 serviced_udp_callback(struct comm_point* c, void* arg, int error,
         struct comm_reply* rep)
@@ -1762,7 +1891,9 @@ serviced_udp_callback(struct comm_point* c, void* arg, int error,
 	        ||sq->status == serviced_query_UDP_EDNS_FRAG)
 		&& (LDNS_RCODE_WIRE(sldns_buffer_begin(c->buffer)) 
 			== LDNS_RCODE_FORMERR || LDNS_RCODE_WIRE(
-			sldns_buffer_begin(c->buffer)) == LDNS_RCODE_NOTIMPL)) {
+			sldns_buffer_begin(c->buffer)) == LDNS_RCODE_NOTIMPL
+		    || packet_edns_malformed(c->buffer, sq->qtype)
+			)) {
 		/* try to get an answer by falling back without EDNS */
 		verbose(VERB_ALGO, "serviced query: attempt without EDNS");
 		sq->status = serviced_query_UDP_EDNS_fallback;
@@ -1857,15 +1988,15 @@ struct serviced_query*
 outnet_serviced_query(struct outside_network* outnet,
 	uint8_t* qname, size_t qnamelen, uint16_t qtype, uint16_t qclass,
 	uint16_t flags, int dnssec, int want_dnssec, int nocaps,
-	int tcp_upstream, int ssl_upstream, struct sockaddr_storage* addr,
-	socklen_t addrlen, uint8_t* zone, size_t zonelen,
-	comm_point_callback_t* callback, void* callback_arg,
+	int tcp_upstream, int ssl_upstream, struct edns_option* opt_list,
+	struct sockaddr_storage* addr, socklen_t addrlen, uint8_t* zone,
+	size_t zonelen, comm_point_callback_t* callback, void* callback_arg,
 	sldns_buffer* buff)
 {
 	struct serviced_query* sq;
 	struct service_callback* cb;
 	serviced_gen_query(buff, qname, qnamelen, qtype, qclass, flags);
-	sq = lookup_serviced(outnet, buff, dnssec, addr, addrlen);
+	sq = lookup_serviced(outnet, buff, dnssec, addr, addrlen, opt_list);
 	/* duplicate entries are included in the callback list, because
 	 * there is a counterpart registration by our caller that needs to
 	 * be doubly-removed (with callbacks perhaps). */
@@ -1875,7 +2006,7 @@ outnet_serviced_query(struct outside_network* outnet,
 		/* make new serviced query entry */
 		sq = serviced_create(outnet, buff, dnssec, want_dnssec, nocaps,
 			tcp_upstream, ssl_upstream, addr, addrlen, zone,
-			zonelen, (int)qtype);
+			zonelen, (int)qtype, opt_list);
 		if(!sq) {
 			free(cb);
 			return NULL;
@@ -1932,13 +2063,7 @@ void outnet_serviced_query_stop(struct serviced_query* sq, void* cb_arg)
 	callback_list_remove(sq, cb_arg);
 	/* if callbacks() routine scheduled deletion, let it do that */
 	if(!sq->cblist && !sq->to_be_deleted) {
-#ifdef UNBOUND_DEBUG
-		rbnode_t* rem =
-#else
-		(void)
-#endif
-		rbtree_delete(sq->outnet->serviced, sq);
-		log_assert(rem); /* should be present */
+		(void)rbtree_delete(sq->outnet->serviced, sq);
 		serviced_delete(sq); 
 	}
 }

services/outside_network.h

@@ -58,6 +58,7 @@ struct port_if;
 struct sldns_buffer;
 struct serviced_query;
 struct dt_env;
+struct edns_option;
 
 /**
  * Send queries to outside servers and wait for answers from servers.
@@ -132,6 +133,8 @@ struct outside_network {
 	/** dnstap environment */
 	struct dt_env* dtenv;
 #endif
+	/** maximum segment size of tcp socket */
+	int tcp_mss;
 
 	/**
 	 * Array of tcp pending used for outgoing TCP connections.
@@ -162,6 +165,10 @@ struct port_if {
 	/** length of addr field */
 	socklen_t addrlen;
 
+	/** prefix length of network address (in bits), for randomisation.
+	 * if 0, no randomisation. */
+	int pfxlen;
+
 	/** the available ports array. These are unused.
 	 * Only the first total-inuse part is filled. */
 	int* avail_ports;
@@ -365,6 +372,8 @@ struct serviced_query {
 	int last_rtt;
 	/** do we know edns probe status already, for UDP_EDNS queries */
 	int edns_lame_known;
+	/** edns options to use for sending upstream packet */
+	struct edns_option* opt_list;
 	/** outside network this is part of */
 	struct outside_network* outnet;
 	/** list of interested parties that need callback on results. */
@@ -392,6 +401,7 @@ struct serviced_query {
  * @param unwanted_threshold: when to take defensive action.
  * @param unwanted_action: the action to take.
  * @param unwanted_param: user parameter to action.
+ * @param tcp_mss: maximum segment size of tcp socket.
  * @param do_udp: if udp is done.
  * @param sslctx: context to create outgoing connections with (if enabled).
  * @param delayclose: if not 0, udp sockets are delayed before timeout closure.
@@ -403,7 +413,7 @@ struct outside_network* outside_network_create(struct comm_base* base,
 	size_t bufsize, size_t num_ports, char** ifs, int num_ifs,
 	int do_ip4, int do_ip6, size_t num_tcp, struct infra_cache* infra, 
 	struct ub_randstate* rnd, int use_caps_for_id, int* availports, 
-	int numavailports, size_t unwanted_threshold,
+	int numavailports, size_t unwanted_threshold, int tcp_mss,
 	void (*unwanted_action)(void*), void* unwanted_param, int do_udp,
 	void* sslctx, int delayclose, struct dt_env *dtenv);
 
@@ -474,6 +484,8 @@ void pending_delete(struct outside_network* outnet, struct pending* p);
  * @param nocaps: ignore use_caps_for_id and use unperturbed qname.
  * @param tcp_upstream: use TCP for upstream queries.
  * @param ssl_upstream: use SSL for upstream queries.
+ * @param opt_list: pass edns option list (deep copied into serviced query)
+ *	these options are set on the outgoing packets.
  * @param callback: callback function.
  * @param callback_arg: user argument to callback function.
  * @param addr: to which server to send the query.
@@ -489,9 +501,9 @@ void pending_delete(struct outside_network* outnet, struct pending* p);
 struct serviced_query* outnet_serviced_query(struct outside_network* outnet,
 	uint8_t* qname, size_t qnamelen, uint16_t qtype, uint16_t qclass,
 	uint16_t flags, int dnssec, int want_dnssec, int nocaps,
-	int tcp_upstream, int ssl_upstream, struct sockaddr_storage* addr,
-	socklen_t addrlen, uint8_t* zone, size_t zonelen,
-	comm_point_callback_t* callback, void* callback_arg,
+	int tcp_upstream, int ssl_upstream, struct edns_option* opt_list,
+	struct sockaddr_storage* addr, socklen_t addrlen, uint8_t* zone,
+	size_t zonelen, comm_point_callback_t* callback, void* callback_arg,
 	struct sldns_buffer* buff);
 
 /**

sldns/keyraw.c

@@ -23,6 +23,15 @@
 #ifdef HAVE_OPENSSL_ENGINE_H
 #  include <openssl/engine.h>
 #endif
+#ifdef HAVE_OPENSSL_BN_H
+#include <openssl/bn.h>
+#endif
+#ifdef HAVE_OPENSSL_RSA_H
+#include <openssl/rsa.h>
+#endif
+#ifdef HAVE_OPENSSL_DSA_H
+#include <openssl/dsa.h>
+#endif
 #endif /* HAVE_SSL */
 
 size_t
@@ -206,7 +215,6 @@ sldns_key_buf2dsa_raw(unsigned char* key, size_t len)
 	offset += length;
 
 	Y = BN_bin2bn(key+offset, (int)length, NULL);
-	offset += length;
 
 	/* create the key and set its properties */
 	if(!Q || !P || !G || !Y || !(dsa = DSA_new())) {
@@ -216,6 +224,7 @@ sldns_key_buf2dsa_raw(unsigned char* key, size_t len)
 		BN_free(Y);
 		return NULL;
 	}
+#if OPENSSL_VERSION_NUMBER < 0x10100000 || defined(HAVE_LIBRESSL)
 #ifndef S_SPLINT_S
 	dsa->p = P;
 	dsa->q = Q;
@@ -223,6 +232,25 @@ sldns_key_buf2dsa_raw(unsigned char* key, size_t len)
 	dsa->pub_key = Y;
 #endif /* splint */
 
+#else /* OPENSSL_VERSION_NUMBER */
+	if (!DSA_set0_pqg(dsa, P, Q, G)) {
+		/* QPG not yet attached, need to free */
+		BN_free(Q);
+		BN_free(P);
+		BN_free(G);
+
+		DSA_free(dsa);
+		BN_free(Y);
+		return NULL;
+	}
+	if (!DSA_set0_key(dsa, Y, NULL)) {
+		/* QPG attached, cleaned up by DSA_fre() */
+		DSA_free(dsa);
+		BN_free(Y);
+		return NULL;
+	}
+#endif
+
 	return dsa;
 }
 
@@ -274,11 +302,21 @@ sldns_key_buf2rsa_raw(unsigned char* key, size_t len)
 		BN_free(modulus);
 		return NULL;
 	}
+#if OPENSSL_VERSION_NUMBER < 0x10100000 || defined(HAVE_LIBRESSL)
 #ifndef S_SPLINT_S
 	rsa->n = modulus;
 	rsa->e = exponent;
 #endif /* splint */
 
+#else /* OPENSSL_VERSION_NUMBER */
+	if (!RSA_set0_key(rsa, modulus, exponent, NULL)) {
+		BN_free(exponent);
+		BN_free(modulus);
+		RSA_free(rsa);
+		return NULL;
+	}
+#endif
+
 	return rsa;
 }
 

sldns/parseutil.c

@@ -637,7 +637,7 @@ int sldns_b64_ntop(uint8_t const *src, size_t srclength,
 		target[o+1] = b64[ ((src[i]&0x03)<<4) | (src[i+1]>>4) ];
 		target[o+2] = b64[ ((src[i+1]&0x0f)<<2) ];
 		target[o+3] = pad64;
-		i += 2;
+		/* i += 2; */
 		o += 4;
 		break;
 	case 1:
@@ -646,7 +646,7 @@ int sldns_b64_ntop(uint8_t const *src, size_t srclength,
 		target[o+1] = b64[ ((src[i]&0x03)<<4) ];
 		target[o+2] = pad64;
 		target[o+3] = pad64;
-		i += 1;
+		/* i += 1; */
 		o += 4;
 		break;
 	case 0:

sldns/parseutil.h

@@ -56,13 +56,13 @@ time_t sldns_mktime_from_utc(const struct tm *tm);
 
 /**
  * The function interprets time as the number of seconds since epoch
- * with respect to now using serial arithmitics (rfc1982).
+ * with respect to now using serial arithmetics (rfc1982).
  * That number of seconds is then converted to broken-out time information.
  * This is especially usefull when converting the inception and expiration
  * fields of RRSIG records.
  *
  * \param[in] time number of seconds since epoch (midnight, January 1st, 1970)
- *            to be intepreted as a serial arithmitics number relative to now.
+ *            to be intepreted as a serial arithmetics number relative to now.
  * \param[in] now number of seconds since epoch (midnight, January 1st, 1970)
  *            to which the time value is compared to determine the final value.
  * \param[out] result the struct with the broken-out time information

sldns/rrdef.c

@@ -144,6 +144,12 @@ static const sldns_rdf_type type_dhcid_wireformat[] = {
 static const sldns_rdf_type type_talink_wireformat[] = {
 	LDNS_RDF_TYPE_DNAME, LDNS_RDF_TYPE_DNAME
 };
+static const sldns_rdf_type type_openpgpkey_wireformat[] = {
+	LDNS_RDF_TYPE_B64
+};
+static const sldns_rdf_type type_csync_wireformat[] = {
+	LDNS_RDF_TYPE_INT32, LDNS_RDF_TYPE_INT16, LDNS_RDF_TYPE_NSEC
+};
 /* nsec3 is some vars, followed by same type of data of nsec */
 static const sldns_rdf_type type_nsec3_wireformat[] = {
 /*	LDNS_RDF_TYPE_NSEC3_VARS, LDNS_RDF_TYPE_NSEC3_NEXT_OWNER, LDNS_RDF_TYPE_NSEC*/
@@ -361,8 +367,10 @@ static sldns_rr_descriptor rdata_field_descriptors[] = {
 	{LDNS_RR_TYPE_CDS, "CDS", 4, 4, type_ds_wireformat, LDNS_RDF_TYPE_NONE, LDNS_RR_NO_COMPRESS, 0 },
 	/* 60 */
 	{LDNS_RR_TYPE_CDNSKEY, "CDNSKEY", 4, 4, type_dnskey_wireformat, LDNS_RDF_TYPE_NONE, LDNS_RR_NO_COMPRESS, 0 },
-{LDNS_RR_TYPE_NULL, "TYPE61", 1, 1, type_0_wireformat, LDNS_RDF_TYPE_NONE, LDNS_RR_NO_COMPRESS, 0 },
-{LDNS_RR_TYPE_NULL, "TYPE62", 1, 1, type_0_wireformat, LDNS_RDF_TYPE_NONE, LDNS_RR_NO_COMPRESS, 0 },
+	/* 61 */
+{LDNS_RR_TYPE_OPENPGPKEY, "OPENPGPKEY", 1, 1, type_openpgpkey_wireformat, LDNS_RDF_TYPE_NONE, LDNS_RR_NO_COMPRESS, 0 },
+	/* 62 */
+	{LDNS_RR_TYPE_CSYNC, "CSYNC", 3, 3, type_csync_wireformat, LDNS_RDF_TYPE_NONE, LDNS_RR_NO_COMPRESS, 0 },
 {LDNS_RR_TYPE_NULL, "TYPE63", 1, 1, type_0_wireformat, LDNS_RDF_TYPE_NONE, LDNS_RR_NO_COMPRESS, 0 },
 {LDNS_RR_TYPE_NULL, "TYPE64", 1, 1, type_0_wireformat, LDNS_RDF_TYPE_NONE, LDNS_RR_NO_COMPRESS, 0 },
 {LDNS_RR_TYPE_NULL, "TYPE65", 1, 1, type_0_wireformat, LDNS_RDF_TYPE_NONE, LDNS_RR_NO_COMPRESS, 0 },

sldns/rrdef.h

@@ -182,6 +182,8 @@ enum sldns_enum_rr_type
 	LDNS_RR_TYPE_NSEC3PARAM = 51, /* RFC 5155 */
 	LDNS_RR_TYPE_NSEC3PARAMS = 51,
 	LDNS_RR_TYPE_TLSA = 52, /* RFC 6698 */
+	LDNS_RR_TYPE_SMIMEA = 53, /* draft-ietf-dane-smime, TLSA-like but may
+				     be extended */
 
 	LDNS_RR_TYPE_HIP = 55, /* RFC 5205 */
 
@@ -193,6 +195,8 @@ enum sldns_enum_rr_type
         LDNS_RR_TYPE_TALINK = 58,
 	LDNS_RR_TYPE_CDS = 59, /** RFC 7344 */
 	LDNS_RR_TYPE_CDNSKEY = 60, /** RFC 7344 */
+	LDNS_RR_TYPE_OPENPGPKEY = 61, /* RFC 7929 */
+	LDNS_RR_TYPE_CSYNC = 62, /* RFC 7477 */
 
 	LDNS_RR_TYPE_SPF = 99, /* RFC 4408 */
 
@@ -416,7 +420,8 @@ enum sldns_enum_edns_option
 	LDNS_EDNS_DAU = 5, /* RFC6975 */
 	LDNS_EDNS_DHU = 6, /* RFC6975 */
 	LDNS_EDNS_N3U = 7, /* RFC6975 */
-	LDNS_EDNS_CLIENT_SUBNET = 8 /* draft-vandergaast-edns-client-subnet */
+	LDNS_EDNS_CLIENT_SUBNET = 8, /* draft-vandergaast-edns-client-subnet */
+	LDNS_EDNS_PADDING = 12 /* RFC7830 */
 };
 typedef enum sldns_enum_edns_option sldns_edns_option;
 

sldns/str2wire.c

@@ -204,7 +204,7 @@ rrinternal_get_owner(sldns_buffer* strbuf, uint8_t* rr, size_t* len,
 			return RET_ERR(LDNS_WIREPARSE_ERR_BUFFER_TOO_SMALL,
 				sldns_buffer_position(strbuf));
 		memmove(rr, tocopy, *dname_len);
-	} else if(strlen(token) == 0) {
+	} else if(*token == '\0') {
 		/* no ownername was given, try prev, if that fails
 		 * origin, else default to root */
 		uint8_t* tocopy;
@@ -892,10 +892,10 @@ int sldns_fp2wire_rr_buf(FILE* in, uint8_t* rr, size_t* len, size_t* dname_len,
 			parse_state?parse_state->default_ttl:0,
 			(parse_state&&parse_state->origin_len)?
 				parse_state->origin:NULL,
-			parse_state->origin_len,
+			parse_state?parse_state->origin_len:0,
 			(parse_state&&parse_state->prev_rr_len)?
 				parse_state->prev_rr:NULL,
-			parse_state->prev_rr_len);
+			parse_state?parse_state->prev_rr_len:0);
 	}
 	return LDNS_WIREPARSE_ERR_OK;
 }
@@ -1091,7 +1091,7 @@ int sldns_str2wire_apl_buf(const char* str, uint8_t* rd, size_t* len)
 	uint8_t prefix;
 	size_t i;
 
-	if(strlen(my_str) == 0) {
+	if(*my_str == '\0') {
 		/* empty APL element, no data, no string */
 		*len = 0;
 		return LDNS_WIREPARSE_ERR_OK;

sldns/wire2str.c

@@ -165,6 +165,7 @@ static sldns_lookup_table sldns_edns_options_data[] = {
 	{ 6, "DHU" },
 	{ 7, "N3U" },
 	{ 8, "edns-client-subnet" },
+	{ 12, "Padding" },
 	{ 0, NULL}
 };
 sldns_lookup_table* sldns_edns_options = sldns_edns_options_data;
@@ -697,6 +698,9 @@ int sldns_wire2str_rdata_scan(uint8_t** d, size_t* dlen, char** s,
 		}
 		w += n;
 	}
+	if(*dlen != 0) {
+		goto failed;
+	}
 	return w;
 }
 
@@ -1861,6 +1865,9 @@ int sldns_wire2str_edns_option_print(char** s, size_t* sl,
 	case LDNS_EDNS_CLIENT_SUBNET:
 		w += sldns_wire2str_edns_subnet_print(s, sl, optdata, optlen);
 		break;
+	case LDNS_EDNS_PADDING:
+		w += print_hex_buf(s, sl, optdata, optlen);
+		break;
 	default:
 		/* unknown option code */
 		w += print_hex_buf(s, sl, optdata, optlen);

sldns/wire2str.h

@@ -118,7 +118,7 @@ int sldns_str_print(char** str, size_t* slen, const char* format, ...)
  * @param str_len: the size of the string buffer.  If more is needed, it'll
  * 	silently truncate the output to fit in the buffer.
  * @return the number of characters for this element, excluding zerobyte.
- * 	Is larger than str_len if output was truncated.
+ * 	Is larger or equal than str_len if output was truncated.
  */
 int sldns_wire2str_pkt_buf(uint8_t* data, size_t data_len, char* str,
 	size_t str_len);
@@ -351,7 +351,7 @@ int sldns_wire2str_edns_option_code_print(char** str, size_t* str_len,
  * @param str_len: the size of the string buffer.  If more is needed, it'll
  * 	silently truncate the output to fit in the buffer.
  * @return the number of characters for this element, excluding zerobyte.
- * 	Is larger than str_len if output was truncated.
+ * 	Is larger or equal than str_len if output was truncated.
  */
 int sldns_wire2str_rr_buf(uint8_t* rr, size_t rr_len, char* str,
 	size_t str_len);
@@ -369,7 +369,7 @@ int sldns_wire2str_rr_buf(uint8_t* rr, size_t rr_len, char* str,
  * @param str_len: the size of the string buffer.  If more is needed, it'll
  * 	silently truncate the output to fit in the buffer.
  * @return the number of characters for this element, excluding zerobyte.
- * 	Is larger than str_len if output was truncated.
+ * 	Is larger or equal than str_len if output was truncated.
  */
 int sldns_wire2str_rr_unknown_buf(uint8_t* rr, size_t rr_len, char* str,
 	size_t str_len);
@@ -389,7 +389,7 @@ int sldns_wire2str_rr_unknown_buf(uint8_t* rr, size_t rr_len, char* str,
  * @param str_len: the size of the string buffer.  If more is needed, it'll
  * 	silently truncate the output to fit in the buffer.
  * @return the number of characters for this element, excluding zerobyte.
- * 	Is larger than str_len if output was truncated.
+ * 	Is larger or equal than str_len if output was truncated.
  */
 int sldns_wire2str_rr_comment_buf(uint8_t* rr, size_t rr_len, size_t dname_len,
 	char* str, size_t str_len);
@@ -406,7 +406,7 @@ int sldns_wire2str_rr_comment_buf(uint8_t* rr, size_t rr_len, size_t dname_len,
  * 	silently truncate the output to fit in the buffer.
  * @param rrtype: rr type of the data
  * @return the number of characters for this element, excluding zerobyte.
- * 	Is larger than str_len if output was truncated.
+ * 	Is larger or equal than str_len if output was truncated.
  */
 int sldns_wire2str_rdata_buf(uint8_t* rdata, size_t rdata_len, char* str,
 	size_t str_len, uint16_t rrtype);
@@ -417,7 +417,7 @@ int sldns_wire2str_rdata_buf(uint8_t* rdata, size_t rdata_len, char* str,
  * @param str: the string to write to.
  * @param len: length of str.
  * @return the number of characters for this element, excluding zerobyte.
- * 	Is larger than str_len if output was truncated.
+ * 	Is larger or equal than str_len if output was truncated.
  */
 int sldns_wire2str_type_buf(uint16_t rrtype, char* str, size_t len);
 
@@ -427,7 +427,7 @@ int sldns_wire2str_type_buf(uint16_t rrtype, char* str, size_t len);
  * @param str: the string to write to.
  * @param len: length of str.
  * @return the number of characters for this element, excluding zerobyte.
- * 	Is larger than str_len if output was truncated.
+ * 	Is larger or equal than str_len if output was truncated.
  */
 int sldns_wire2str_class_buf(uint16_t rrclass, char* str, size_t len);
 
@@ -437,7 +437,7 @@ int sldns_wire2str_class_buf(uint16_t rrclass, char* str, size_t len);
  * @param str: the string to write to.
  * @param len: length of str.
  * @return the number of characters for this element, excluding zerobyte.
- * 	Is larger than str_len if output was truncated.
+ * 	Is larger or equal than str_len if output was truncated.
  */
 int sldns_wire2str_rcode_buf(int rcode, char* str, size_t len);
 
@@ -448,7 +448,7 @@ int sldns_wire2str_rcode_buf(int rcode, char* str, size_t len);
  * @param str: the string to write to.
  * @param len: length of string.
  * @return the number of characters for this element, excluding zerobyte.
- * 	Is larger than str_len if output was truncated.
+ * 	Is larger or equal than str_len if output was truncated.
  */
 int sldns_wire2str_dname_buf(uint8_t* dname, size_t dname_len, char* str,
 	size_t len);

smallapp/unbound-anchor.c

@@ -37,7 +37,8 @@
  * \file
  *
  * This file checks to see that the current 5011 keys work to prime the
- * current root anchor.  If not a certificate is used to update the anchor.
+ * current root anchor.  If not a certificate is used to update the anchor,
+ * with RFC7958 https xml fetch.
  *
  * This is a concept solution for distribution of the DNSSEC root
  * trust anchor.  It is a small tool, called "unbound-anchor", that
@@ -47,7 +48,7 @@
  * Management-Abstract:
  *    * first run: fill root.key file with hardcoded DS record.
  *    * mostly: use RFC5011 tracking, quick . DNSKEY UDP query.
- *    * failover: use builtin certificate, do https and update.
+ *    * failover: use RFC7958 builtin certificate, do https and update.
  * Special considerations:
  *    * 30-days RFC5011 timer saves a lot of https traffic.
  *    * DNSKEY probe must be NOERROR, saves a lot of https traffic.
@@ -77,7 +78,7 @@
  * the file contains a list of normal DNSKEY/DS records, and uses that to
  * bootstrap 5011 (the KSK is made VALID).
  *
- * The certificate update is done by fetching root-anchors.xml and
+ * The certificate RFC7958 update is done by fetching root-anchors.xml and
  * root-anchors.p7s via SSL.  The HTTPS certificate can be logged but is
  * not validated (https for channel security; the security comes from the
  * certificate).  The 'data.iana.org' domain name A and AAAA are resolved
@@ -95,7 +96,7 @@
  * signed yet; avoids attacks on system clock).  The
  * last-successful-RFC5011-probe (if available) has to be more than 30 days
  * in the past (otherwise, RFC5011 should have worked).  This keeps
- * unneccesary https traffic down.  If the main certificate is expired, it
+ * unnecessary https traffic down.  If the main certificate is expired, it
  * fails.
  *
  * The dates on the keys in the xml are checked (uses the libexpat xml
@@ -171,7 +172,7 @@ struct ip_list {
 
 /** Give unbound-anchor usage, and exit (1). */
 static void
-usage()
+usage(void)
 {
 	printf("Usage:	unbound-anchor [opts]\n");
 	printf("	Setup or update root anchor. "
@@ -1520,7 +1521,11 @@ xml_entitydeclhandler(void *userData,
 	const XML_Char *ATTR_UNUSED(publicId),
 	const XML_Char *ATTR_UNUSED(notationName))
 {
+#if HAVE_DECL_XML_STOPPARSER
 	(void)XML_StopParser((XML_Parser)userData, XML_FALSE);
+#else
+	(void)userData;
+#endif
 }
 
 /**
@@ -1828,6 +1833,12 @@ write_unsigned_root(const char* root_anchor_file)
 			root_anchor_file);
 		if(verb && errno != 0) printf("%s\n", strerror(errno));
 	}
+	fflush(out);
+#ifdef HAVE_FSYNC
+	fsync(fileno(out));
+#else
+	FlushFileBuffers((HANDLE)_get_osfhandle(_fileno(out)));
+#endif
 	fclose(out);
 }
 
@@ -1854,6 +1865,12 @@ write_root_anchor(const char* root_anchor_file, BIO* ds)
 			root_anchor_file);
 		if(verb && errno != 0) printf("%s\n", strerror(errno));
 	}
+	fflush(out);
+#ifdef HAVE_FSYNC
+	fsync(fileno(out));
+#else
+	FlushFileBuffers((HANDLE)_get_osfhandle(_fileno(out)));
+#endif
 	fclose(out);
 }
 
@@ -2294,10 +2311,22 @@ int main(int argc, char* argv[])
 	if(argc != 0)
 		usage();
 
+#ifdef HAVE_ERR_LOAD_CRYPTO_STRINGS
 	ERR_load_crypto_strings();
+#endif
 	ERR_load_SSL_strings();
+#if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_CRYPTO)
 	OpenSSL_add_all_algorithms();
+#else
+	OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS
+		| OPENSSL_INIT_ADD_ALL_DIGESTS
+		| OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
+#endif
+#if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_SSL)
 	(void)SSL_library_init();
+#else
+	(void)OPENSSL_init_ssl(0, NULL);
+#endif
 
 	if(dolist) do_list_builtin();
 

smallapp/unbound-checkconf.c

@@ -72,7 +72,7 @@
 
 /** Give checkconf usage, and exit (1). */
 static void
-usage()
+usage(void)
 {
 	printf("Usage:	unbound-checkconf [file]\n");
 	printf("	Checks unbound configuration file for errors.\n");
@@ -161,6 +161,7 @@ warn_hosts(const char* typ, struct config_stub* list)
 static void
 interfacechecks(struct config_file* cfg)
 {
+	int d;
 	struct sockaddr_storage a;
 	socklen_t alen;
 	int i, j;
@@ -177,8 +178,8 @@ interfacechecks(struct config_file* cfg)
 		}
 	}
 	for(i=0; i<cfg->num_out_ifs; i++) {
-		if(!ipstrtoaddr(cfg->out_ifs[i], UNBOUND_DNS_PORT, 
-			&a, &alen)) {
+		if(!ipstrtoaddr(cfg->out_ifs[i], UNBOUND_DNS_PORT, &a, &alen) &&
+		   !netblockstrtoaddr(cfg->out_ifs[i], UNBOUND_DNS_PORT, &a, &alen, &d)) {
 			fatal_exit("cannot parse outgoing-interface "
 				"specified as '%s'", cfg->out_ifs[i]);
 		}
@@ -330,12 +331,16 @@ morechecks(struct config_file* cfg, const char* fname)
 		fatal_exit("num_threads value weird");
 	if(!cfg->do_ip4 && !cfg->do_ip6)
 		fatal_exit("ip4 and ip6 are both disabled, pointless");
+	if(!cfg->do_ip6 && cfg->prefer_ip6)
+		fatal_exit("cannot prefer and disable ip6, pointless");
 	if(!cfg->do_udp && !cfg->do_tcp)
 		fatal_exit("udp and tcp are both disabled, pointless");
 	if(cfg->edns_buffer_size > cfg->msg_buffer_size)
 		fatal_exit("edns-buffer-size larger than msg-buffer-size, "
 			"answers will not fit in processing buffer");
-
+#ifdef UB_ON_WINDOWS
+	w_config_adjust_directory(cfg);
+#endif
 	if(cfg->chrootdir && cfg->chrootdir[0] && 
 		cfg->chrootdir[strlen(cfg->chrootdir)-1] == '/')
 		fatal_exit("chootdir %s has trailing slash '/' please remove.",
@@ -409,6 +414,21 @@ morechecks(struct config_file* cfg, const char* fname)
 		&& strcmp(cfg->module_conf, "dns64 validator python iterator") != 0
 		&& strcmp(cfg->module_conf, "python dns64 iterator") != 0 
 		&& strcmp(cfg->module_conf, "python dns64 validator iterator") != 0 
+#endif
+#ifdef USE_CACHEDB
+		&& strcmp(cfg->module_conf, "validator cachedb iterator") != 0
+		&& strcmp(cfg->module_conf, "cachedb iterator") != 0
+		&& strcmp(cfg->module_conf, "dns64 validator cachedb iterator") != 0
+		&& strcmp(cfg->module_conf, "dns64 cachedb iterator") != 0
+		&& strcmp(cfg->module_conf, "python dns64 cachedb iterator") != 0
+		&& strcmp(cfg->module_conf, "python dns64 validator cachedb iterator") != 0
+		&& strcmp(cfg->module_conf, "dns64 python cachedb iterator") != 0
+		&& strcmp(cfg->module_conf, "dns64 python validator cachedb iterator") != 0
+		&& strcmp(cfg->module_conf, "python cachedb iterator") != 0
+		&& strcmp(cfg->module_conf, "python validator cachedb iterator") != 0
+		&& strcmp(cfg->module_conf, "cachedb python iterator") != 0
+		&& strcmp(cfg->module_conf, "validator cachedb python iterator") != 0
+		&& strcmp(cfg->module_conf, "validator python cachedb iterator") != 0
 #endif
 		) {
 		fatal_exit("module conf '%s' is not known to work",
@@ -419,7 +439,9 @@ morechecks(struct config_file* cfg, const char* fname)
 	if(cfg->username && cfg->username[0]) {
 		if(getpwnam(cfg->username) == NULL)
 			fatal_exit("user '%s' does not exist.", cfg->username);
+#  ifdef HAVE_ENDPWENT
 		endpwent();
+#  endif
 	}
 #endif
 	if(cfg->remote_control_enable && cfg->remote_control_use_cert) {
@@ -464,14 +486,22 @@ check_hints(struct config_file* cfg)
 static void
 checkconf(const char* cfgfile, const char* opt, int final)
 {
+	char oldwd[PATH_MAX];
 	struct config_file* cfg = config_create();
 	if(!cfg)
 		fatal_exit("out of memory");
+	oldwd[0] = 0;
+	if(!getcwd(oldwd, sizeof(oldwd))) {
+		log_err("cannot getcwd: %s", strerror(errno));
+		oldwd[0] = 0;
+	}
 	if(!config_read(cfg, cfgfile, NULL)) {
 		/* config_read prints messages to stderr */
 		config_delete(cfg);
 		exit(1);
 	}
+	if(oldwd[0] && chdir(oldwd) == -1)
+		log_err("cannot chdir(%s): %s", oldwd, strerror(errno));
 	if(opt) {
 		print_option(cfg, opt, final);
 		config_delete(cfg);

smallapp/unbound-control-setup.sh.in

@@ -107,16 +107,15 @@ else
 fi
 
 # create self-signed cert for server
-cat >request.cfg <<EOF
-[req]
-default_bits=$BITS
-default_md=$HASH
-prompt=no
-distinguished_name=req_distinguished_name
+echo "[req]" > request.cfg
+echo "default_bits=$BITS" >> request.cfg
+echo "default_md=$HASH" >> request.cfg
+echo "prompt=no" >> request.cfg
+echo "distinguished_name=req_distinguished_name" >> request.cfg
+echo "" >> request.cfg
+echo "[req_distinguished_name]" >> request.cfg
+echo "commonName=$SERVERNAME" >> request.cfg
 
-[req_distinguished_name]
-commonName=$SERVERNAME
-EOF
 test -f request.cfg || error "could not create request.cfg"
 
 echo "create $SVR_BASE.pem (self signed certificate)"
@@ -125,16 +124,15 @@ openssl req -key $SVR_BASE.key -config request.cfg  -new -x509 -days $DAYS -out
 openssl x509 -in $SVR_BASE.pem -addtrust serverAuth -out $SVR_BASE"_trust.pem"
 
 # create client request and sign it, piped
-cat >request.cfg <<EOF
-[req]
-default_bits=$BITS
-default_md=$HASH
-prompt=no
-distinguished_name=req_distinguished_name
+echo "[req]" > request.cfg
+echo "default_bits=$BITS" >> request.cfg
+echo "default_md=$HASH" >> request.cfg
+echo "prompt=no" >> request.cfg
+echo "distinguished_name=req_distinguished_name" >> request.cfg
+echo "" >> request.cfg
+echo "[req_distinguished_name]" >> request.cfg
+echo "commonName=$CLIENTNAME" >> request.cfg
 
-[req_distinguished_name]
-commonName=$CLIENTNAME
-EOF
 test -f request.cfg || error "could not create request.cfg"
 
 echo "create $CTL_BASE.pem (signed client certificate)"

smallapp/unbound-control.c

@@ -65,7 +65,7 @@
 
 /** Give unbound-control usage, and exit (1). */
 static void
-usage()
+usage(void)
 {
 	printf("Usage:	unbound-control [options] command\n");
 	printf("	Remote control utility for unbound server.\n");
@@ -102,7 +102,7 @@ usage()
 	printf("  flush_negative		flush all negative data\n");
 	printf("  flush_stats 			flush statistics, make zero\n");
 	printf("  flush_requestlist 		drop queries that are worked on\n");
-	printf("  dump_requestlist		show what is worked on\n");
+	printf("  dump_requestlist		show what is worked on by first thread\n");
 	printf("  flush_infra [all | ip] 	remove ping, edns for one IP or all\n");
 	printf("  dump_infra			show ping and edns entries\n");
 	printf("  set_option opt: val		set option to value, no reload\n");
@@ -156,10 +156,12 @@ setup_ctx(struct config_file* cfg)
         ctx = SSL_CTX_new(SSLv23_client_method());
 	if(!ctx)
 		ssl_err("could not allocate SSL_CTX pointer");
-        if(!(SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2) & SSL_OP_NO_SSLv2))
+        if((SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2) & SSL_OP_NO_SSLv2)
+		!= SSL_OP_NO_SSLv2)
 		ssl_err("could not set SSL_OP_NO_SSLv2");
         if(cfg->remote_control_use_cert) {
-		if(!(SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv3) & SSL_OP_NO_SSLv3))
+		if((SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv3) & SSL_OP_NO_SSLv3)
+			!= SSL_OP_NO_SSLv3)
 			ssl_err("could not set SSL_OP_NO_SSLv3");
 		if(!SSL_CTX_use_certificate_chain_file(ctx,c_cert) ||
 		    !SSL_CTX_use_PrivateKey_file(ctx,c_key,SSL_FILETYPE_PEM)
@@ -210,7 +212,7 @@ contact_server(const char* svr, struct config_file* cfg, int statuscmd)
 		struct sockaddr_un* usock = (struct sockaddr_un *) &addr;
 		usock->sun_family = AF_LOCAL;
 #ifdef HAVE_STRUCT_SOCKADDR_UN_SUN_LEN
-		usock->sun_len = (socklen_t)sizeof(usock);
+		usock->sun_len = (unsigned)sizeof(usock);
 #endif
 		(void)strlcpy(usock->sun_path, svr, sizeof(usock->sun_path));
 		addrlen = (socklen_t)sizeof(struct sockaddr_un);
@@ -361,6 +363,9 @@ go(const char* cfgfile, char* svr, int quiet, int argc, char* argv[])
 		fatal_exit("could not read config file");
 	if(!cfg->remote_control_enable)
 		log_warn("control-enable is 'no' in the config file.");
+#ifdef UB_ON_WINDOWS
+	w_config_adjust_directory(cfg);
+#endif
 	ctx = setup_ctx(cfg);
 
 	/* contact server */
@@ -413,10 +418,22 @@ int main(int argc, char* argv[])
 		cfgfile = CONFIGFILE;
 #endif
 
+#ifdef HAVE_ERR_LOAD_CRYPTO_STRINGS
 	ERR_load_crypto_strings();
+#endif
 	ERR_load_SSL_strings();
+#if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_CRYPTO)
 	OpenSSL_add_all_algorithms();
+#else
+	OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS
+		| OPENSSL_INIT_ADD_ALL_DIGESTS
+		| OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
+#endif
+#if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_SSL)
 	(void)SSL_library_init();
+#else
+	(void)OPENSSL_init_ssl(0, NULL);
+#endif
 
 	if(!RAND_status()) {
                 /* try to seed it */

smallapp/unbound-host.c

@@ -72,7 +72,7 @@ static int verb = 0;
 
 /** Give unbound-host usage, and exit (1). */
 static void
-usage()
+usage(void)
 {
 	printf("Usage:	unbound-host [-vdhr46] [-c class] [-t type] hostname\n");
 	printf("                     [-y key] [-f keyfile] [-F namedkeyfile]\n");
@@ -91,7 +91,7 @@ usage()
 	printf("    -F keyfile		read named.conf-style trust anchors.\n");
 	printf("    -C config		use the specified unbound.conf (none read by default)\n");
 	printf("    -r			read forwarder information from /etc/resolv.conf\n");
-	printf("      			breaks validation if the fwder does not do DNSSEC.\n");
+	printf("      			breaks validation if the forwarder does not do DNSSEC.\n");
 	printf("    -v			be more verbose, shows nodata and security.\n");
 	printf("    -d			debug, traces the action, -d -d shows more.\n");
 	printf("    -4			use ipv4 network, avoid ipv6.\n");

smallapp/worker_cb.c

@@ -103,7 +103,8 @@ struct outbound_entry* worker_send_query(uint8_t* ATTR_UNUSED(qname),
 	size_t ATTR_UNUSED(qnamelen), uint16_t ATTR_UNUSED(qtype), 
 	uint16_t ATTR_UNUSED(qclass), uint16_t ATTR_UNUSED(flags), 
 	int ATTR_UNUSED(dnssec), int ATTR_UNUSED(want_dnssec),
-	int ATTR_UNUSED(nocaps), struct sockaddr_storage* ATTR_UNUSED(addr), 
+	int ATTR_UNUSED(nocaps), struct edns_option* ATTR_UNUSED(opt_list),
+	struct sockaddr_storage* ATTR_UNUSED(addr), 
 	socklen_t ATTR_UNUSED(addrlen), uint8_t* ATTR_UNUSED(zone),
 	size_t ATTR_UNUSED(zonelen), struct module_qstate* ATTR_UNUSED(q))
 {
@@ -135,7 +136,8 @@ struct outbound_entry* libworker_send_query(uint8_t* ATTR_UNUSED(qname),
 	size_t ATTR_UNUSED(qnamelen), uint16_t ATTR_UNUSED(qtype), 
 	uint16_t ATTR_UNUSED(qclass), uint16_t ATTR_UNUSED(flags), 
 	int ATTR_UNUSED(dnssec), int ATTR_UNUSED(want_dnssec),
-	int ATTR_UNUSED(nocaps), struct sockaddr_storage* ATTR_UNUSED(addr), 
+	int ATTR_UNUSED(nocaps), struct edns_option* ATTR_UNUSED(opt_list),
+	struct sockaddr_storage* ATTR_UNUSED(addr), 
 	socklen_t ATTR_UNUSED(addrlen), uint8_t* ATTR_UNUSED(zone),
 	size_t ATTR_UNUSED(zonelen), struct module_qstate* ATTR_UNUSED(q))
 {

testcode/asynclook.c

@@ -335,12 +335,17 @@ ext_thread(void* arg)
 		r = ub_wait(inf->ctx);
 		checkerr("ub_ctx_wait", r);
 	}
+	/* if these locks are destroyed, or if the async_ids is freed, then
+	   a use-after-free happens in another thread.
+	   The allocation is only part of this test, though. */
+	/*
 	if(async_ids) {
 		for(i=0; i<inf->numq; i++) {
 			lock_basic_destroy(&async_ids[i].lock);
 		}
 	}
 	free(async_ids);
+	*/
 	
 	return NULL;
 }

testcode/checklocks.c

@@ -430,7 +430,7 @@ finish_acquire_lock(struct thr_check* thr, struct checked_lock* lock,
  * @param timedfunc: the pthread_mutex_timedlock or similar function.
  *	Uses absolute timeout value.
  * @param arg: what to pass to tryfunc and timedlock.
- * @param exclusive: if lock must be exlusive (only one allowed).
+ * @param exclusive: if lock must be exclusive (only one allowed).
  * @param getwr: if attempts to get writelock (or readlock) for rwlocks.
  */
 static void 
@@ -502,6 +502,8 @@ void
 checklock_rdlock(enum check_lock_type type, struct checked_lock* lock,
         const char* func, const char* file, int line)
 {
+	if(key_deleted)
+		return;
 
 	log_assert(type == check_lock_rwlock);
 	checklock_lockit(type, lock, func, file, line,
@@ -520,6 +522,8 @@ void
 checklock_wrlock(enum check_lock_type type, struct checked_lock* lock,
         const char* func, const char* file, int line)
 {
+	if(key_deleted)
+		return;
 	log_assert(type == check_lock_rwlock);
 	checklock_lockit(type, lock, func, file, line,
 		try_wr, timed_wr, &lock->u.rwlock, 0, 1);
@@ -555,6 +559,8 @@ void
 checklock_lock(enum check_lock_type type, struct checked_lock* lock,
         const char* func, const char* file, int line)
 {
+	if(key_deleted)
+		return;
 	log_assert(type != check_lock_rwlock);
 	switch(type) {
 		case check_lock_mutex:
@@ -577,8 +583,10 @@ void
 checklock_unlock(enum check_lock_type type, struct checked_lock* lock,
         const char* func, const char* file, int line)
 {
-	struct thr_check *thr = (struct thr_check*)pthread_getspecific(
-		thr_debug_key);
+	struct thr_check *thr;
+	if(key_deleted)
+		return;
+	thr = (struct thr_check*)pthread_getspecific(thr_debug_key);
 	checktype(type, lock, func, file, line);
 	if(!thr) lock_error(lock, func, file, line, "no thread info");
 
@@ -755,7 +763,8 @@ static void
 lock_debug_info(struct checked_lock* lock)
 {
 	if(!lock) return;
-	log_info("+++ Lock %x, %d %d create %s %s %d", (int)lock, 
+	log_info("+++ Lock %llx, %d %d create %s %s %d",
+		(unsigned long long)(size_t)lock, 
 		lock->create_thread, lock->create_instance, 
 		lock->create_func, lock->create_file, lock->create_line);
 	log_info("lock type: %s",
@@ -790,8 +799,9 @@ thread_debug_info(struct thr_check* thr)
 	struct checked_lock* l = NULL;
 	if(!thr) return;
 	log_info("pthread id is %x", (int)thr->id);
-	log_info("thread func is %x", (int)thr->func);
-	log_info("thread arg is %x (%d)", (int)thr->arg, 
+	log_info("thread func is %llx", (unsigned long long)(size_t)thr->func);
+	log_info("thread arg is %llx (%d)",
+		(unsigned long long)(size_t)thr->arg, 
 		(thr->arg?*(int*)thr->arg:0));
 	log_info("thread num is %d", thr->num);
 	log_info("locks created %d", thr->locks_created);
@@ -801,7 +811,8 @@ thread_debug_info(struct thr_check* thr)
 	w = thr->waiting;
 	f = thr->holding_first;
 	l = thr->holding_last;
-	log_info("thread waiting for a lock: %s %x", w?"yes":"no", (int)w);
+	log_info("thread waiting for a lock: %s %llx", w?"yes":"no",
+		(unsigned long long)(size_t)w);
 	lock_debug_info(w);
 	log_info("thread holding first: %s, last: %s", f?"yes":"no", 
 		l?"yes":"no");

testcode/delayer.c

@@ -1042,7 +1042,7 @@ service(const char* bind_str, int bindport, const char* serv_str,
 	}
 	i=0;
 	if(bindport == 0) {
-		bindport = 1024 + random()%64000;
+		bindport = 1024 + arc4random()%64000;
 		i = 100;
 	}
 	while(1) {
@@ -1058,7 +1058,7 @@ service(const char* bind_str, int bindport, const char* serv_str,
 #endif
 			if(i--==0)
 				fatal_exit("cannot bind any port");
-			bindport = 1024 + random()%64000;
+			bindport = 1024 + arc4random()%64000;
 		} else break;
 	}
 	fd_set_nonblock(s);
@@ -1138,7 +1138,6 @@ int main(int argc, char** argv)
 	verbosity = 0;
 	log_init(0, 0, 0);
 	log_ident_set("delayer");
-	srandom(time(NULL) ^ getpid());
 	if(argc == 1) usage(argv);
 	while( (c=getopt(argc, argv, "b:d:f:hm:p:")) != -1) {
 		switch(c) {

testcode/fake_event.c

@@ -569,7 +569,7 @@ do_infra_rtt(struct replay_runtime* runtime)
 	free(dp);
 }
 
-/** perform exponential backoff on the timout */
+/** perform exponential backoff on the timeout */
 static void
 expon_timeout_backoff(struct replay_runtime* runtime)
 {
@@ -900,6 +900,7 @@ outside_network_create(struct comm_base* base, size_t bufsize,
 	struct ub_randstate* ATTR_UNUSED(rnd), 
 	int ATTR_UNUSED(use_caps_for_id), int* ATTR_UNUSED(availports),
 	int ATTR_UNUSED(numavailports), size_t ATTR_UNUSED(unwanted_threshold),
+	int ATTR_UNUSED(outgoing_tcp_mss),
 	void (*unwanted_action)(void*), void* ATTR_UNUSED(unwanted_param),
 	int ATTR_UNUSED(do_udp), void* ATTR_UNUSED(sslctx),
 	int ATTR_UNUSED(delayclose), struct dt_env* ATTR_UNUSED(dtenv))
@@ -1038,9 +1039,9 @@ struct serviced_query* outnet_serviced_query(struct outside_network* outnet,
         uint8_t* qname, size_t qnamelen, uint16_t qtype, uint16_t qclass,
 	uint16_t flags, int dnssec, int ATTR_UNUSED(want_dnssec),
 	int ATTR_UNUSED(nocaps), int ATTR_UNUSED(tcp_upstream),
-	int ATTR_UNUSED(ssl_upstream), struct sockaddr_storage* addr,
-	socklen_t addrlen, uint8_t* zone, size_t zonelen,
-	comm_point_callback_t* callback, void* callback_arg,
+	int ATTR_UNUSED(ssl_upstream), struct edns_option* opt_list,
+	struct sockaddr_storage* addr, socklen_t addrlen, uint8_t* zone,
+	size_t zonelen, comm_point_callback_t* callback, void* callback_arg,
 	sldns_buffer* ATTR_UNUSED(buff))
 {
 	struct replay_runtime* runtime = (struct replay_runtime*)outnet->base;
@@ -1076,6 +1077,7 @@ struct serviced_query* outnet_serviced_query(struct outside_network* outnet,
 		edns.edns_version = EDNS_ADVERTISED_VERSION;
 		edns.udp_size = EDNS_ADVERTISED_SIZE;
 		edns.bits = 0;
+		edns.opt_list = opt_list;
 		if(dnssec)
 			edns.bits = EDNS_DO;
 		attach_edns_record(pend->buffer, &edns);
@@ -1128,6 +1130,7 @@ void outnet_serviced_query_stop(struct serviced_query* sq, void* cb_arg)
 	while(p) {
 		if(p == pend) {
 			log_assert(p->cb_arg == cb_arg);
+			(void)cb_arg;
 			log_info("serviced pending delete");
 			if(prev)
 				prev->next = p->next;
@@ -1386,7 +1389,7 @@ void comm_base_set_slow_accept_handlers(struct comm_base* ATTR_UNUSED(b),
 	(void)start_acc;
 }
 
-struct event_base* comm_base_internal(struct comm_base* ATTR_UNUSED(b))
+struct ub_event_base* comm_base_internal(struct comm_base* ATTR_UNUSED(b))
 {
 	/* no pipe comm possible in testbound */
 	return NULL;

testcode/lock_verify.c

@@ -44,6 +44,9 @@
  */
 
 #include "config.h"
+#ifdef HAVE_TIME_H
+#include <time.h>
+#endif
 #include "util/log.h"
 #include "util/rbtree.h"
 #include "util/locks.h"
@@ -102,7 +105,7 @@ static int verb = 0;
 
 /** print program usage help */
 static void
-usage()
+usage(void)
 {
 	printf("lock_verify <trace files>\n");
 }