[svn-commits] file: branch 1.4 r88328 - /branches/1.4/channels/chan_sip.c

[SVN commits to the Digium repositories]

Author: file
Date: Fri Nov  2 15:20:21 2007
New Revision: 88328

URL: http://svn.digium.com/view/asterisk?view=rev&rev=88328
Log:
If an INFO request within a dialog is received with a content length of 0 simply send back a 200 OK. It is valid to do this and the remote side is probably using it to make sure the signalling is still alive.
(closes issue #5747)
Reported by: chandi
Patches:
      infofix-81430-1.patch uploaded by IgorG (license 20)

Modified:
    branches/1.4/channels/chan_sip.c

Modified: branches/1.4/channels/chan_sip.c
URL: http://svn.digium.com/view/asterisk/branches/1.4/channels/chan_sip.c?view=diff&rev=88328&r1=88327&r2=88328
==============================================================================
--- branches/1.4/channels/chan_sip.c (original)
+++ branches/1.4/channels/chan_sip.c Fri Nov  2 15:20:21 2007
@@ -11003,7 +11003,12 @@
 			transmit_response(p, "403 Unauthorized", req);
 		}
 		return;
-	}
+	} else if (ast_strlen_zero(c = get_header(req, "Content-Length")) || !strcasecmp(c, "0")) {
+		/* This is probably just a packet making sure the signalling is still up, just send back a 200 OK */
+		transmit_response(p, "200 OK", req);
+		return;
+	}
+
 	/* Other type of INFO message, not really understood by Asterisk */
 	/* if (get_msg_text(buf, sizeof(buf), req)) { */