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authorFlorin Coras <fcoras@cisco.com>2017-11-27 02:43:30 -0800
committerDave Wallace <dwallacelf@gmail.com>2017-11-27 15:25:52 +0000
commit701311364b8846f25df5ec0d37abd8293b3f9f5e (patch)
tree3894c8b09252b1607cc1501339015379e81fc5c9
parentc8a26c6d239554bac96c481c840b3f5b3d8a17af (diff)
tcp: fix proxy connection validation
Change-Id: Icb0274cd3bcabfab8bdff6dec7440a3a15edfbf1 Signed-off-by: Florin Coras <fcoras@cisco.com>
-rw-r--r--src/vnet/tcp/tcp_input.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c
index d3db7ef1eec..614b94a4b06 100644
--- a/src/vnet/tcp/tcp_input.c
+++ b/src/vnet/tcp/tcp_input.c
@@ -1870,6 +1870,10 @@ tcp_lookup_is_valid (tcp_connection_t * tc, tcp_header_t * hdr)
if (!tc)
return 1;
+ /* Proxy case */
+ if (tc->c_lcl_port == 0 && tc->state == TCP_STATE_LISTEN)
+ return 1;
+
u8 is_valid = (tc->c_lcl_port == hdr->dst_port
&& (tc->state == TCP_STATE_LISTEN
|| tc->c_rmt_port == hdr->src_port));