From 2563fa595447bba6a73e6c58c4bbf11ac0f28931 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Maciej=20=C5=BBenczykowski?= Date: Mon, 7 Nov 2011 14:57:22 +0000 Subject: [PATCH] net: make ipv6 PKTINFO honour freebind MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This just makes it possible to spoof source IPv6 address on a socket without having to create and bind a new socket for every source IP we wish to spoof. Signed-off-by: Maciej Żenczykowski Signed-off-by: David S. Miller --- net/ipv6/datagram.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c index e2480691c220..83037af4fa7b 100644 --- a/net/ipv6/datagram.c +++ b/net/ipv6/datagram.c @@ -654,7 +654,7 @@ int datagram_send_ctl(struct net *net, struct sock *sk, if (addr_type != IPV6_ADDR_ANY) { int strict = __ipv6_addr_src_scope(addr_type) <= IPV6_ADDR_SCOPE_LINKLOCAL; - if (!inet_sk(sk)->transparent && + if (!(inet_sk(sk)->freebind || inet_sk(sk)->transparent) && !ipv6_chk_addr(net, &src_info->ipi6_addr, strict ? dev : NULL, 0)) err = -EINVAL; -- 2.20.1