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- ip-transparent option for FreeBSD with IP_BINDANY socket option.

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git-svn-id: file:///svn/unbound/trunk@3623 be551aaa-1e26-0410-a405-d3ace91eadb9
This commit is contained in:
Wouter Wijngaards 2016-02-15 08:17:54 +00:00
parent 6f1272bcdc
commit 85de673b6b
4 changed files with 15 additions and 4 deletions
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3
doc/Changelog
View file

@ -1,3 +1,6 @@
15 February 2016: Wouter
- ip-transparent option for FreeBSD with IP_BINDANY socket option.
9 February 2016: Wouter
- Test for type OPENPGPKEY.
- insecure-lan-zones: yesno config option, patch from Dag-Erling

1
doc/example.conf.in
View file

@ -90,6 +90,7 @@ server:
# 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
# EDNS reassembly buffer to advertise to UDP peers (the actual buffer

2
doc/unbound.conf.5.in
View file

@ -275,7 +275,7 @@ 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 rrset\-cache\-size: \fI<number>
Number of bytes size of the RRset cache. Default is 4 megabytes.

13
services/listen_dnsport.c
View file

@ -99,7 +99,7 @@ create_udp_sock(int family, int socktype, struct sockaddr* addr,
int rcv, int snd, int listen, int* reuseport, int transparent)
{
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)
int on=1;
#endif
#ifdef IPV6_MTU
@ -114,7 +114,7 @@ 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((s = socket(family, socktype, 0)) == -1) {
@ -187,7 +187,14 @@ 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, IPPROTO_IP, IP_BINDANY, (void*)&on,
(socklen_t)sizeof(on)) < 0) {
log_warn("setsockopt(.. IP_BINDANY ..) failed: %s",
strerror(errno));
}
#endif /* IP_TRANSPARENT || IP_BINDANY */
}
if(rcv) {
#ifdef SO_RCVBUF