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- make ip-transparent option work on OpenBSD.

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git-svn-id: file:///svn/unbound/trunk@4393 be551aaa-1e26-0410-a405-d3ace91eadb9
This commit is contained in:
Wouter Wijngaards
2017-11-02 09:34:19 +00:00
parent d41209512e
commit 10b8997cc5
3 changed files with 23 additions and 7 deletions
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doc/Changelog
+1
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@@ -1,5 +1,6 @@
2 November 2017: Wouter
- Fix #1913: ub_ctx_config is under circumstances thread-safe.
- make ip-transparent option work on OpenBSD.
31 October 2017: Wouter
- Document that errno is left informative on libunbound config read
doc/unbound.conf.5.in
+2 -1
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@@ -293,7 +293,8 @@ 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. The option uses IP_BINDANY on FreeBSD systems.
permissions on some systems. The option uses IP_BINDANY on FreeBSD systems
and SO_BINDANY on OpenBSD systems.
.TP
.B ip\-freebind: \fI<yes or no>
If yes, then use IP_FREEBIND socket option on sockets where unbound
services/listen_dnsport.c
+20 -6
View File
@@ -167,7 +167,7 @@ create_udp_sock(int family, int socktype, struct sockaddr* addr,
int freebind, int use_systemd)
{
int s;
#if defined(SO_REUSEADDR) || defined(SO_REUSEPORT) || defined(IPV6_USE_MIN_MTU) || defined(IP_TRANSPARENT) || defined(IP_BINDANY) || defined(IP_FREEBIND)
#if defined(SO_REUSEADDR) || defined(SO_REUSEPORT) || defined(IPV6_USE_MIN_MTU) || defined(IP_TRANSPARENT) || defined(IP_BINDANY) || defined(IP_FREEBIND) || defined (SO_BINDANY)
int on=1;
#endif
#ifdef IPV6_MTU
@@ -182,7 +182,7 @@ create_udp_sock(int family, int socktype, struct sockaddr* addr,
#ifndef IPV6_V6ONLY
(void)v6only;
#endif
#if !defined(IP_TRANSPARENT) && !defined(IP_BINDANY)
#if !defined(IP_TRANSPARENT) && !defined(IP_BINDANY) && !defined(SO_BINDANY)
(void)transparent;
#endif
#if !defined(IP_FREEBIND)
@@ -281,7 +281,14 @@ create_udp_sock(int family, int socktype, struct sockaddr* addr,
log_warn("setsockopt(.. IP%s_BINDANY ..) failed: %s",
(family==AF_INET6?"V6":""), strerror(errno));
}
#endif /* IP_TRANSPARENT || IP_BINDANY */
#elif defined(SO_BINDANY)
if (transparent &&
setsockopt(s, SOL_SOCKET, SO_BINDANY, (void*)&on,
(socklen_t)sizeof(on)) < 0) {
log_warn("setsockopt(.. SO_BINDANY ..) failed: %s",
strerror(errno));
}
#endif /* IP_TRANSPARENT || IP_BINDANY || SO_BINDANY */
}
#ifdef IP_FREEBIND
if(freebind &&
@@ -592,7 +599,7 @@ create_tcp_accept_sock(struct addrinfo *addr, int v6only, int* noproto,
int* reuseport, int transparent, int mss, int freebind, int use_systemd)
{
int s;
#if defined(SO_REUSEADDR) || defined(SO_REUSEPORT) || defined(IPV6_V6ONLY) || defined(IP_TRANSPARENT) || defined(IP_BINDANY) || defined(IP_FREEBIND)
#if defined(SO_REUSEADDR) || defined(SO_REUSEPORT) || defined(IPV6_V6ONLY) || defined(IP_TRANSPARENT) || defined(IP_BINDANY) || defined(IP_FREEBIND) || defined(SO_BINDANY)
int on = 1;
#endif
#ifdef HAVE_SYSTEMD
@@ -601,7 +608,7 @@ create_tcp_accept_sock(struct addrinfo *addr, int v6only, int* noproto,
#ifdef USE_TCP_FASTOPEN
int qlen;
#endif
#if !defined(IP_TRANSPARENT) && !defined(IP_BINDANY)
#if !defined(IP_TRANSPARENT) && !defined(IP_BINDANY) && !defined(SO_BINDANY)
(void)transparent;
#endif
#if !defined(IP_FREEBIND)
@@ -736,7 +743,14 @@ create_tcp_accept_sock(struct addrinfo *addr, int v6only, int* noproto,
log_warn("setsockopt(.. IP%s_BINDANY ..) failed: %s",
(addr->ai_family==AF_INET6?"V6":""), strerror(errno));
}
#endif /* IP_TRANSPARENT || IP_BINDANY */
#elif defined(SO_BINDANY)
if (transparent &&
setsockopt(s, SOL_SOCKET, SO_BINDANY, (void*)&on, (socklen_t)
sizeof(on)) < 0) {
log_warn("setsockopt(.. SO_BINDANY ..) failed: %s",
strerror(errno));
}
#endif /* IP_TRANSPARENT || IP_BINDANY || SO_BINDANY */
if(
#ifdef HAVE_SYSTEMD
!got_fd_from_systemd &&