[NETFILTER]: nf_conntrack_sip: process ACK and PRACK methods
Both may contains SDP offers/answers.
Signed-off-by: Patrick McHardy <kaber@xxxxxxxxx>
---
commit fc1d4b6b9937a801590c454b68317734a809be0b
tree c4b167a12ff72abae20998cb0be31157306b4ba8
parent bbec485758c30e4c7bc04dbc387ed9cea676bc24
author Patrick McHardy <kaber@xxxxxxxxx> Tue, 25 Mar 2008 12:45:09 +0100
committer Patrick McHardy <kaber@xxxxxxxxx> Tue, 25 Mar 2008 14:09:56 +0100
net/netfilter/nf_conntrack_sip.c | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index 29a37d2..71f744a 100644
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -624,9 +624,22 @@ static int process_update_response(struct sk_buff *skb,
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[] = {
SIP_HANDLER("INVITE", process_sdp, process_invite_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,
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