netfilter: nf_conntrack_sip: add TCP support

Add TCP support, which is mandated by RFC3261 for all SIP elements.

SIP over TCP is similar to UDP, except that messages are delimited
by Content-Length: headers and multiple messages may appear in one
packet.

Signed-off-by: Patrick McHardy <kaber@trash.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv4/netfilter/nf_nat_sip.c b/net/ipv4/netfilter/nf_nat_sip.c
index 2454ea5abb79..b232e4040dc6 100644
--- a/net/ipv4/netfilter/nf_nat_sip.c
+++ b/net/ipv4/netfilter/nf_nat_sip.c
@@ -122,7 +122,7 @@ static unsigned int ip_nat_sip(struct sk_buff *skb, unsigned int dataoff,
 
         /* Translate topmost Via header and parameters */
         if (ct_sip_parse_header_uri(ct, *dptr, NULL, *datalen,
-                                    SIP_HDR_VIA, NULL, &matchoff, &matchlen,
+                                    SIP_HDR_VIA_UDP, NULL, &matchoff, &matchlen,
                                     &addr, &port) > 0) {
                 unsigned int matchend, poff, plen, buflen, n;
                 char buffer[sizeof("nnn.nnn.nnn.nnn:nnnnn")];