>From 3b2a171df56dec81238f6590e4239444c1bcc956 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ond=C5=99ej=20Caletka?= Date: Thu, 2 Aug 2012 10:19:25 +0200 Subject: [PATCH] Added v6only socket option. This option allows binding to the same port using separate IPv6 and IPv4 socket. --- src/knot/server/socket.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/src/knot/server/socket.c b/src/knot/server/socket.c index dde1a21..8ff924b 100644 --- a/src/knot/server/socket.c +++ b/src/knot/server/socket.c @@ -161,6 +161,17 @@ int socket_bind(int socket, int family, const char *addr, unsigned short port) return KNOTD_EINVAL; } +#ifdef IPV6_V6ONLY + if (family == AF_INET6) { + /* Do not support mapping IPv4 in IPv6 sockets. */ + ret = setsockopt(socket, IPPROTO_IPV6, IPV6_V6ONLY, + &flag, sizeof(flag)); + if (ret < 0) { + return KNOTD_EINVAL; + } + } +#endif + /* Bind to specified address. */ int res = bind(socket, paddr, addrlen); if (res < 0) { -- 1.7.8.6