diff options
| author | Stephen Hemminger <stephen.hemminger@vyatta.com> | 2008-08-24 20:36:51 -0400 |
|---|---|---|
| committer | Paul Jakma <paul@quagga.net> | 2009-05-08 22:59:42 +0100 |
| commit | e9a3670706edf37c5a863c93e5ef0c269e484eb9 (patch) | |
| tree | 312ef6b631d3408837f21d9b37d7c47c4693ac2d | |
| parent | 21b86436a8c826da84b47cd773fdffbf3d05141e (diff) | |
Fix bgp ipv4/ipv6 accept handling
When bgp calls getaddrinfo, it gets both ipv6 and ipv4 addresses.
Unless IPV6_ONLY is set on Linux, only the ipv6 bind will succeed,
and the IPV4 connections will come in as mapped connections on the
IPV6 socket.
| -rw-r--r-- | bgpd/bgp_network.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/bgpd/bgp_network.c b/bgpd/bgp_network.c index 5dbd4872..6d16c6ec 100644 --- a/bgpd/bgp_network.c +++ b/bgpd/bgp_network.c @@ -412,6 +412,15 @@ bgp_socket (struct bgp *bgp, unsigned short port, char *address) setsockopt_ipv4_tos (sock, IPTOS_PREC_INTERNETCONTROL); #endif +#ifdef IPV6_V6ONLY + /* Want only IPV6 on ipv6 socket (not mapped addresses) */ + if (ainfo->ai_family == AF_INET6) { + int on = 1; + setsockopt (sock, IPPROTO_IPV6, IPV6_V6ONLY, + (void *) &on, sizeof (on)); + } +#endif + if (bgpd_privs.change (ZPRIVS_RAISE) ) zlog_err ("bgp_socket: could not raise privs"); |