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tproxy: copy transparent flag when creating a time wait

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The transparent socket option setting was not copied to the time wait
socket when an inet socket was being replaced by a time wait socket. This
broke the --transparent option of the socket match and may have caused
that FIN packets belonging to sockets in FIN_WAIT2 or TIME_WAIT state
were being dropped by the packet filter.

Signed-off-by: KOVACS Krisztian <hidden@balabit.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
KOVACS Krisztian 2011-10-18 10:17:35 +00:00 committed by David S. Miller
parent 8bae8bd6cb
commit 58af19e387
1 changed files with 1 additions and 0 deletions
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net/ipv4/tcp_minisocks.c
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@ -328,6 +328,7 @@ void tcp_time_wait(struct sock *sk, int state, int timeo)
struct tcp_timewait_sock *tcptw = tcp_twsk((struct sock *)tw);
const int rto = (icsk->icsk_rto << 2) - (icsk->icsk_rto >> 1);
tw->tw_transparent = inet_sk(sk)->transparent;
tw->tw_rcv_wscale = tp->rx_opt.rcv_wscale;
tcptw->tw_rcv_nxt = tp->rcv_nxt;
tcptw->tw_snd_nxt = tp->snd_nxt;