From 4807fe2c6198b39aff5c1ff1144c465b97575cb8 Mon Sep 17 00:00:00 2001
From: Gerald Begumisa <ben_g@users.sourceforge.net>
Date: Fri, 24 Jul 2009 06:10:29 +0000
Subject: Added new configuration parameter, SipTreat200OkAsInvite, which
 causes SIP 200 OK packets to be treates as INVITEs.

git-svn-id: https://oreka.svn.sourceforge.net/svnroot/oreka/trunk@631 09dcff7a-b715-0410-9601-b79a96267cd0
---
 orkaudio/audiocaptureplugins/voip/PacketHeaderDefs.h |  1 +
 orkaudio/audiocaptureplugins/voip/VoIp.cpp           | 10 ++++++++++
 orkaudio/audiocaptureplugins/voip/VoIpConfig.cpp     |  2 ++
 orkaudio/audiocaptureplugins/voip/VoIpConfig.h       |  1 +
 4 files changed, 14 insertions(+)

diff --git a/orkaudio/audiocaptureplugins/voip/PacketHeaderDefs.h b/orkaudio/audiocaptureplugins/voip/PacketHeaderDefs.h
index 137e2e6..99de0b5 100644
--- a/orkaudio/audiocaptureplugins/voip/PacketHeaderDefs.h
+++ b/orkaudio/audiocaptureplugins/voip/PacketHeaderDefs.h
@@ -365,6 +365,7 @@ struct Iax2MetaTrunkEntryTs {
 #define SIP_METHOD_INVITE "INVITE"
 #define SIP_METHOD_ACK "ACK"
 #define SIP_METHOD_BYE "BYE"
+#define SIP_METHOD_200_OK "200 OK"
 #define SIP_RESPONSE_200_OK "SIP/2.0 200"
 #define SIP_RESPONSE_SESSION_PROGRESS "SIP/2.0 183 Session Progress"
 
diff --git a/orkaudio/audiocaptureplugins/voip/VoIp.cpp b/orkaudio/audiocaptureplugins/voip/VoIp.cpp
index 285b620..2ca681c 100644
--- a/orkaudio/audiocaptureplugins/voip/VoIp.cpp
+++ b/orkaudio/audiocaptureplugins/voip/VoIp.cpp
@@ -1910,6 +1910,11 @@ bool TrySip200Ok(EthernetHeaderStruct* ethernetHeader, IpHeaderStruct* ipHeader,
 {
 	bool result = false;
 
+	if(DLLCONFIG.m_sipTreat200OkAsInvite == true)
+	{
+		return false;
+	}
+
 	int sipLength = ntohs(udpHeader->len) - sizeof(UdpHeaderStruct);
 	char* sipEnd = (char*)udpPayload + sipLength;
 	if(sipLength < SIP_RESPONSE_200_OK_SIZE || sipEnd > (char*)packetEnd)
@@ -2072,6 +2077,11 @@ bool TrySipInvite(EthernetHeaderStruct* ethernetHeader, IpHeaderStruct* ipHeader
 	{
 		sipMethod = SIP_METHOD_ACK;
 	}
+	else if((DLLCONFIG.m_sipTreat200OkAsInvite == true) && (memcmp(SIP_RESPONSE_200_OK, (void*)udpPayload, SIP_RESPONSE_200_OK_SIZE) == 0))
+	{
+		sipMethod = SIP_METHOD_200_OK;
+		LOG4CXX_DEBUG(s_sipExtractionLog, "TrySipInvite: packet matches 200 OK and SipTreat200OkAsInvite is enabled");
+	}
 	else
 	{
 		drop = true;
diff --git a/orkaudio/audiocaptureplugins/voip/VoIpConfig.cpp b/orkaudio/audiocaptureplugins/voip/VoIpConfig.cpp
index 4c3f22d..5453498 100644
--- a/orkaudio/audiocaptureplugins/voip/VoIpConfig.cpp
+++ b/orkaudio/audiocaptureplugins/voip/VoIpConfig.cpp
@@ -49,6 +49,7 @@ VoIpConfig::VoIpConfig()
 	m_sipIgnoreBye = false;
 	m_sipReportNamesAsTags = false;
 	m_sipRequestUriAsLocalParty = true;
+	m_sipTreat200OkAsInvite = false;
 
 	m_rtcpDetect = false;
 	m_inInMode = false;
@@ -122,6 +123,7 @@ void VoIpConfig::Define(Serializer* s)
 	s->BoolValue("SipIgnoreBye", m_sipIgnoreBye);
 	s->BoolValue("SipReportNamesAsTags", m_sipReportNamesAsTags);
 	s->BoolValue("SipRequestUriAsLocalParty", m_sipRequestUriAsLocalParty);
+	s->BoolValue("SipTreat200OkAsInvite", m_sipTreat200OkAsInvite);
 
 	s->BoolValue("RtcpDetect", m_rtcpDetect);
 	s->BoolValue("InInMode", m_inInMode);
diff --git a/orkaudio/audiocaptureplugins/voip/VoIpConfig.h b/orkaudio/audiocaptureplugins/voip/VoIpConfig.h
index 3ff66e7..77db63a 100644
--- a/orkaudio/audiocaptureplugins/voip/VoIpConfig.h
+++ b/orkaudio/audiocaptureplugins/voip/VoIpConfig.h
@@ -86,6 +86,7 @@ public:
 	bool m_sipIgnoreBye;
 	bool m_sipReportNamesAsTags;
 	bool m_sipRequestUriAsLocalParty;
+	bool m_sipTreat200OkAsInvite;
 
 	bool m_rtcpDetect;
 	bool m_inInMode;
-- 
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