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Commit 595a8ecb authored by Patrick McHardy's avatar Patrick McHardy Committed by David S. Miller
Browse files

[NETFILTER]: nf_conntrack_sip: process ACK and PRACK methods 



Both may contains SDP offers/answers.

Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 33cb1e9a

net/netfilter/nf_conntrack_sip.c

+13 −0
Original line number Original line Diff line number Diff line
@@ -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,