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| author | Andrew McDonald <andrew@mcdonald.org.uk> | 2005-08-09 19:44:42 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2005-08-29 15:37:06 -0700 |
| commit | 0bd1b59b15e4057101c89d4db15a3683c0d897f7 (patch) | |
| tree | 1912652fdf55f1bcc703ae9a3dcb93036dcfca67 /net/ipv6/raw.c | |
| parent | 7af4cc3fa158ff1dda6e7451c7e6afa6b0bb85cb (diff) | |
| download | linux-0bd1b59b15e4057101c89d4db15a3683c0d897f7.tar.gz linux-0bd1b59b15e4057101c89d4db15a3683c0d897f7.tar.bz2 linux-0bd1b59b15e4057101c89d4db15a3683c0d897f7.zip | |
[IPV6]: Check interface bindings on IPv6 raw socket reception
Take account of whether a socket is bound to a particular device when
selecting an IPv6 raw socket to receive a packet. Also perform this
check when receiving IPv6 packets with router alert options.
Signed-off-by: Andrew McDonald <andrew@mcdonald.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/raw.c')
| -rw-r--r-- | net/ipv6/raw.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index 1d4d75b34d32..9db0de81f074 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -81,7 +81,8 @@ static void raw_v6_unhash(struct sock *sk) /* Grumble... icmp and ip_input want to get at this... */ struct sock *__raw_v6_lookup(struct sock *sk, unsigned short num, - struct in6_addr *loc_addr, struct in6_addr *rmt_addr) + struct in6_addr *loc_addr, struct in6_addr *rmt_addr, + int dif) { struct hlist_node *node; int is_multicast = ipv6_addr_is_multicast(loc_addr); @@ -94,6 +95,9 @@ struct sock *__raw_v6_lookup(struct sock *sk, unsigned short num, !ipv6_addr_equal(&np->daddr, rmt_addr)) continue; + if (sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif) + continue; + if (!ipv6_addr_any(&np->rcv_saddr)) { if (ipv6_addr_equal(&np->rcv_saddr, loc_addr)) goto found; @@ -160,7 +164,7 @@ void ipv6_raw_deliver(struct sk_buff *skb, int nexthdr) if (sk == NULL) goto out; - sk = __raw_v6_lookup(sk, nexthdr, daddr, saddr); + sk = __raw_v6_lookup(sk, nexthdr, daddr, saddr, skb->dev->ifindex); while (sk) { if (nexthdr != IPPROTO_ICMPV6 || !icmpv6_filter(sk, skb)) { @@ -170,7 +174,8 @@ void ipv6_raw_deliver(struct sk_buff *skb, int nexthdr) if (clone) rawv6_rcv(sk, clone); } - sk = __raw_v6_lookup(sk_next(sk), nexthdr, daddr, saddr); + sk = __raw_v6_lookup(sk_next(sk), nexthdr, daddr, saddr, + skb->dev->ifindex); } out: read_unlock(&raw_v6_lock); |