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[NETFILTER]: nf_conntrack_sip: process ACK and PRACK methods

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Both may contains SDP offers/answers.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy
2008-03-25 20:22:53 -07:00
committed by David S. Miller
parent 33cb1e9a93
commit 595a8ecb5f
1 changed files with 13 additions and 0 deletions
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13
net/netfilter/nf_conntrack_sip.c
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@@ -624,9 +624,22 @@ static int process_update_response(struct sk_buff *skb,
return NF_ACCEPT; return NF_ACCEPT;
} }
static int process_prack_response(struct sk_buff *skb,
const char **dptr, unsigned int *datalen,
unsigned int cseq, unsigned int code)
{
if ((code >= 100 && code <= 199) ||
(code >= 200 && code <= 299))
return process_sdp(skb, dptr, datalen, cseq);
return NF_ACCEPT;
}
static const struct sip_handler sip_handlers[] = { static const struct sip_handler sip_handlers[] = {
SIP_HANDLER("INVITE", process_sdp, process_invite_response), SIP_HANDLER("INVITE", process_sdp, process_invite_response),
SIP_HANDLER("UPDATE", process_sdp, process_update_response), SIP_HANDLER("UPDATE", process_sdp, process_update_response),
SIP_HANDLER("ACK", process_sdp, NULL),
SIP_HANDLER("PRACK", process_sdp, process_prack_response),
}; };
static int process_sip_response(struct sk_buff *skb, static int process_sip_response(struct sk_buff *skb,