Remove the SIP ACK fixes at the request of Olle - This will go in when a more complete fix is available

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/v1-0@4528 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -311,7 +311,6 @@ static struct sip_pvt {
 	char peername[256];
 	char authname[256];			/* Who we use for authentication */
 	char uri[256];				/* Original requested URI */
-	char okcontacturi[256];                 /* URI from the 200 OK on INVITE */
 	char peersecret[256];
 	char peermd5secret[256];
 	char callerid[256];			/* Caller*ID */
@@ -3130,14 +3129,7 @@ static int reqprep(struct sip_request *req, struct sip_pvt *p, char *msg, int se
 	if (!strcasecmp(msg, "CANCEL")) {
 		c = p->initreq.rlPart2;	/* Use original URI */
 	} else if (!strcasecmp(msg, "ACK")) {
-		/* Use URI from Contact: in 200 OK (if INVITE) 
-		(we only have the contacturi on INVITEs) */
-		if (!ast_strlen_zero(p->okcontacturi))
-			c = p->okcontacturi;
-		else
-			c = p->initreq.rlPart2;
-	} else if (!ast_strlen_zero(p->okcontacturi)) {
-		c = p->okcontacturi; /* Use for BYE or REINVITE */
+		c = p->initreq.rlPart2;
 	} else if (!ast_strlen_zero(p->uri)) {
 		c = p->uri;
 	} else {
@@ -4356,85 +4348,6 @@ static void reg_source_db(struct sip_peer *p)
 	}
 }
 
-/*--- parse_ok_contact: Parse contact header for 200 OK on INVITE ---*/
-static int parse_ok_contact(struct sip_pvt *pvt, struct sip_request *req)
-{
-	char contact[250]= ""; 
-	char *c, *n, *pt;
-	int port;
-	struct hostent *hp;
-	struct ast_hostent ahp;
-	struct sockaddr_in oldsin;
-
-	/* Look for brackets */
-	strncpy(contact, get_header(req, "Contact"), sizeof(contact) - 1);
-	c = contact;
-	
-	if ((n=strchr(c, '<'))) {
-		c = n + 1;
-		n = strchr(c, '>');
-		/* Lose the part after the > */
-		if (n) 
-			*n = '\0';
-	}
-
-
-	/* Save full contact to call pvt for later bye or re-invite */
-	strncpy(pvt->fullcontact, c, sizeof(pvt->fullcontact) - 1);	
-	snprintf(pvt->our_contact, sizeof(pvt->our_contact) - 1, "<%s>", c);
-
-
-	strncpy(pvt->okcontacturi, c, sizeof(pvt->okcontacturi) - 1);
-	
-	/* Make sure it's a SIP URL */
-	if (strncasecmp(c, "sip:", 4)) {
-		ast_log(LOG_NOTICE, "'%s' is not a valid SIP contact (missing sip:) trying to use anyway\n", c);
-	} else
-		c += 4;
-
-	/* Ditch arguments */
-	n = strchr(c, ';');
-	if (n) 
-		*n = '\0';
-
-	/* Grab host */
-	n = strchr(c, '@');
-	if (!n) {
-		n = c;
-		c = NULL;
-	} else {
-		*n = '\0';
-		n++;
-	}
-	pt = strchr(n, ':');
-	if (pt) {
-		*pt = '\0';
-		pt++;
-		port = atoi(pt);
-	} else
-		port = DEFAULT_SIP_PORT;
-
-	memcpy(&oldsin, &pvt->sa, sizeof(oldsin));
-
-	if (!(pvt->nat & SIP_NAT_ROUTE)) {
-		/* XXX This could block for a long time XXX */
-		/* We should only do this if it's a name, not an IP */
-		hp = ast_gethostbyname(n, &ahp);
-		if (!hp)  {
-			ast_log(LOG_WARNING, "Invalid host '%s'\n", n);
-			return -1;
-		}
-		pvt->sa.sin_family = AF_INET;
-		memcpy(&pvt->sa.sin_addr, hp->h_addr, sizeof(pvt->sa.sin_addr));
-		pvt->sa.sin_port = htons(port);
-	} else {
-		/* Don't trust the contact field.  Just use what they came to us
-		   with. */
-		memcpy(&pvt->sa, &pvt->recv, sizeof(pvt->sa));
-	}
-	return 0;
-}
-
 
 /*--- parse_contact: Parse contact header and save registration ---*/
 static int parse_contact(struct sip_pvt *pvt, struct sip_peer *p, struct sip_request *req)
@@ -6721,10 +6634,6 @@ static void handle_response(struct sip_pvt *p, int resp, char *rest, struct sip_
 				if (!ast_strlen_zero(get_header(req, "Content-Type")))
 					process_sdp(p, req);
 
-				/* Parse contact header for continued conversation */
-				/* When we get 200 OK, we now which device (and IP) to contact for this call */
-				/* This is important when we have a SIP proxy between us and the phone */
-				parse_ok_contact(p, req);
 				/* Save Record-Route for any later requests we make on this dialogue */
 				build_route(p, req, 1);
 				if (p->owner) {