diff options
| author | Julian Anastasov <ja@ssi.bg> | 2011-08-07 13:16:09 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-08-08 09:52:32 +0400 |
| commit | 47670b767b1593433b516df7798df03f858278be (patch) | |
| tree | e83c8590a639d251049a235c4165e49ce46a69de | |
| parent | 797fd3913abf2f7036003ab8d3d019cbea41affd (diff) | |
| download | linux-47670b767b1593433b516df7798df03f858278be.tar.xz | |
ipv4: route non-local sources for raw socket
The raw sockets can provide source address for
routing but their privileges are not considered. We
can provide non-local source address, make sure the
FLOWI_FLAG_ANYSRC flag is set if socket has privileges
for this, i.e. based on hdrincl (IP_HDRINCL) and
transparent flags.
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/net/inet_sock.h | 2 | ||||
| -rw-r--r-- | net/ipv4/raw.c | 3 |
2 files changed, 3 insertions, 2 deletions
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h index caaff5f5f39f..b897d6e6d0a5 100644 --- a/include/net/inet_sock.h +++ b/include/net/inet_sock.h @@ -238,7 +238,7 @@ static inline __u8 inet_sk_flowi_flags(const struct sock *sk) { __u8 flags = 0; - if (inet_sk(sk)->transparent) + if (inet_sk(sk)->transparent || inet_sk(sk)->hdrincl) flags |= FLOWI_FLAG_ANYSRC; if (sk->sk_protocol == IPPROTO_TCP) flags |= FLOWI_FLAG_PRECOW_METRICS; diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index 1457acb39cec..61714bd52925 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -563,7 +563,8 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, flowi4_init_output(&fl4, ipc.oif, sk->sk_mark, tos, RT_SCOPE_UNIVERSE, inet->hdrincl ? IPPROTO_RAW : sk->sk_protocol, - FLOWI_FLAG_CAN_SLEEP, daddr, saddr, 0, 0); + inet_sk_flowi_flags(sk) | FLOWI_FLAG_CAN_SLEEP, + daddr, saddr, 0, 0); if (!inet->hdrincl) { err = raw_probe_proto_opt(&fl4, msg); |