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Cope with multiple interfaces with the same LL address.

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This commit is contained in:
Simon Kelley
2015-01-18 22:11:10 +00:00
parent ae4624bf46
commit 393415597c
3 changed files with 9 additions and 1 deletions
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4
CHANGELOG
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@@ -50,6 +50,10 @@ version 2.73
To avoid misuse, there's a hard limit on the TTL To avoid misuse, there's a hard limit on the TTL
floor of one hour. Thansk to RinSatsuki for the patch. floor of one hour. Thansk to RinSatsuki for the patch.
Cope with multiple interfaces with the same link-local
address. (IPv6 addresses are scoped, so this is allowed.)
Thanks to Cory Benfield for help with this.
version 2.72 version 2.72
Add ra-advrouter mode, for RFC-3775 mobile IPv6 support. Add ra-advrouter mode, for RFC-3775 mobile IPv6 support.

5
src/auth.c
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@@ -413,7 +413,10 @@ size_t answer_auth(struct dns_header *header, char *limit, size_t qlen, time_t n
peer_addr->in.sin_port = 0; peer_addr->in.sin_port = 0;
#ifdef HAVE_IPV6 #ifdef HAVE_IPV6
else else
peer_addr->in6.sin6_port = 0; {
peer_addr->in6.sin6_port = 0;
peer_addr->in6.sin6_scope_id = 0;
}
#endif #endif
for (peers = daemon->auth_peers; peers; peers = peers->next) for (peers = daemon->auth_peers; peers; peers = peers->next)

1
src/util.c
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@@ -274,6 +274,7 @@ int sockaddr_isequal(union mysockaddr *s1, union mysockaddr *s2)
#ifdef HAVE_IPV6 #ifdef HAVE_IPV6
if (s1->sa.sa_family == AF_INET6 && if (s1->sa.sa_family == AF_INET6 &&
s1->in6.sin6_port == s2->in6.sin6_port && s1->in6.sin6_port == s2->in6.sin6_port &&
s1->in6.sin6_scope_id == s2->in6.sin6_scope_id &&
IN6_ARE_ADDR_EQUAL(&s1->in6.sin6_addr, &s2->in6.sin6_addr)) IN6_ARE_ADDR_EQUAL(&s1->in6.sin6_addr, &s2->in6.sin6_addr))
return 1; return 1;
#endif #endif