Commit a134f85c authored Nov 20, 2008 by Balazs Scheidler Committed by David S. Miller Nov 20, 2008

TPROXY: fill struct flowi->flags in udp_sendmsg()



    udp_sendmsg() didn't fill struct flowi->flags, which means that
    the route lookup would fail for non-local IPs even if the
    IP_TRANSPARENT sockopt was set.

    This prevents sendto() to work properly for UDP sockets, whereas
    bind(foreign-ip) + connect() + send() worked fine.

Signed-off-by: Balazs Scheidler <bazsi@balabit.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent b88ed5cc

net/ipv4/udp.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -633,6 +633,7 @@ int udp_sendmsg(struct kiocb iocb, struct sock sk, struct msghdr *msg,
		.saddr = saddr,
		.tos = tos } },
		.proto = sk->sk_protocol,
		.flags = inet_sk_flowi_flags(sk),
		.uli_u = { .ports =
		{ .sport = inet->sport,
		.dport = dport } } };