[asterisk-commits] file: branch 1.4 r102450 - /branches/1.4/channels/chan_sip.c

[SVN commits to the Asterisk project]

Author: file
Date: Tue Feb  5 13:52:30 2008
New Revision: 102450

URL: http://svn.digium.com/view/asterisk?view=rev&rev=102450
Log:
If a REGISTER attempt comes in that is a retransmission of a previous REGISTER do not create a new nonce value.
(issue #BE-381)

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=102450&r1=102449&r2=102450
==============================================================================
--- branches/1.4/channels/chan_sip.c (original)
+++ branches/1.4/channels/chan_sip.c Tue Feb  5 13:52:30 2008
@@ -8415,16 +8415,22 @@
 	good_response = keys[K_RESP].s &&
 			!strncasecmp(keys[K_RESP].s, resp_hash, strlen(resp_hash));
 	if (wrongnonce) {
-		ast_string_field_build(p, randdata, "%08lx", ast_random());
 		if (good_response) {
 			if (sipdebug)
 				ast_log(LOG_NOTICE, "Correct auth, but based on stale nonce received from '%s'\n", get_header(req, "To"));
 			/* We got working auth token, based on stale nonce . */
+			ast_string_field_build(p, randdata, "%08lx", ast_random());
 			transmit_response_with_auth(p, response, req, p->randdata, reliable, respheader, TRUE);
 		} else {
 			/* Everything was wrong, so give the device one more try with a new challenge */
-			if (sipdebug)
-				ast_log(LOG_NOTICE, "Bad authentication received from '%s'\n", get_header(req, "To"));
+			if (!ast_test_flag(req, SIP_PKT_IGNORE)) {
+				if (sipdebug)
+					ast_log(LOG_NOTICE, "Bad authentication received from '%s'\n", get_header(req, "To"));
+				ast_string_field_build(p, randdata, "%08lx", ast_random());
+			} else {
+				if (sipdebug)
+					ast_log(LOG_NOTICE, "Duplicate authentication received from '%s'\n", get_header(req, "To"));
+			}
 			transmit_response_with_auth(p, response, req, p->randdata, reliable, respheader, FALSE);
 		}