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fallback EDNS on NOTIMPL.

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git-svn-id: file:///svn/unbound/trunk@928 be551aaa-1e26-0410-a405-d3ace91eadb9
This commit is contained in:
Wouter Wijngaards
2008-02-06 15:08:38 +00:00
parent caaad8b810
commit da073cfc3e
3 changed files with 8 additions and 6 deletions
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doc/Changelog
+1
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@@ -5,6 +5,7 @@
- changed name of ub_val_result_free to ub_val_resolve_free.
- removes warning message during library linking, renamed
libunbound/unbound.c -> libunbound.c and worker to libworker.
- fallback without EDNS if result is NOTIMPL as well as on FORMERR.
5 February 2008: Wouter
- statistics-interval: seconds option added.
doc/TODO
-1
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@@ -7,7 +7,6 @@ o detect OS/400 pthreads implementation that allows upgrading to writelock
o understand synthesized DNAMEs, so those TTL=0 packets are cached properly.
o understand NSEC/NSEC3, aggressive negative caching, so that updates to
NSEC/NSEC3 will result in proper negative responses.
o fallback without EDNS if result is NOTIMPL, now only on FORMERR like in java.
o scrubber has slow pkt_subdomain and pkt_strict_subdomain functions.
o get serverselection algorithm out of local optimum.
make subtargets to get rtt info for a couple of targets, like fetch-policy.
services/outside_network.c
+7 -5
View File
@@ -1034,9 +1034,10 @@ serviced_tcp_callback(struct comm_point* c, void* arg, int error,
if(error==NETEVENT_NOERROR)
infra_update_tcp_works(sq->outnet->infra, &sq->addr,
sq->addrlen);
if(error==NETEVENT_NOERROR && LDNS_RCODE_WIRE(ldns_buffer_begin(
c->buffer)) == LDNS_RCODE_FORMERR &&
sq->status == serviced_query_TCP_EDNS) {
if(error==NETEVENT_NOERROR && sq->status == serviced_query_TCP_EDNS &&
(LDNS_RCODE_WIRE(ldns_buffer_begin(c->buffer)) ==
LDNS_RCODE_FORMERR || LDNS_RCODE_WIRE(ldns_buffer_begin(
c->buffer)) == LDNS_RCODE_NOTIMPL) ) {
if(!infra_edns_update(sq->outnet->infra, &sq->addr,
sq->addrlen, -1, time(0)))
log_err("Out of memory caching no edns for host");
@@ -1109,8 +1110,9 @@ serviced_udp_callback(struct comm_point* c, void* arg, int error,
}
}
if(error == NETEVENT_NOERROR && sq->status == serviced_query_UDP_EDNS
&& LDNS_RCODE_WIRE(ldns_buffer_begin(c->buffer))
== LDNS_RCODE_FORMERR) {
&& (LDNS_RCODE_WIRE(ldns_buffer_begin(c->buffer))
== LDNS_RCODE_FORMERR || LDNS_RCODE_WIRE(
ldns_buffer_begin(c->buffer)) == LDNS_RCODE_NOTIMPL)) {
/* note no EDNS, fallback without EDNS */
if(!infra_edns_update(outnet->infra, &sq->addr, sq->addrlen,
-1, (time_t)now.tv_sec)) {