[svn-commits] kmoore: trunk r377626 - in /trunk: ./ channels/chan_sip.c

[SVN commits to the Digium repositories]

Author: kmoore
Date: Mon Dec 10 08:45:52 2012
New Revision: 377626

URL: http://svnview.digium.com/svn/asterisk?view=rev&rev=377626
Log:
Handle Session-Expires less than local Min-SE in 200 OK

Ensure that a call is immediately torn down if a Session-Expires value
received in a 200 OK is less than the local Min-SE. This also prevents
Asterisk from allowing calls with Session-Expires below the
RFC4028-mandated minimum (90s).

(closes issue ASTERISK-20653)
Review: https://reviewboard.asterisk.org/r/2237/
Patch-by: Kinsey Moore
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Merged revisions 377623 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 377624 from http://svn.asterisk.org/svn/asterisk/branches/10
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Merged revisions 377625 from http://svn.asterisk.org/svn/asterisk/branches/11

Modified:
    trunk/   (props changed)
    trunk/channels/chan_sip.c

Propchange: trunk/
------------------------------------------------------------------------------
Binary property 'branch-11-merged' - no diff available.

Modified: trunk/channels/chan_sip.c
URL: http://svnview.digium.com/svn/asterisk/trunk/channels/chan_sip.c?view=diff&rev=377626&r1=377625&r2=377626
==============================================================================
--- trunk/channels/chan_sip.c (original)
+++ trunk/channels/chan_sip.c Mon Dec 10 08:45:52 2012
@@ -22784,6 +22784,9 @@
 				rtn = parse_session_expires(p_hdrval, &tmp_st_interval, &st_ref_param);
 				if (rtn != 0) {
 					ast_set_flag(&p->flags[0], SIP_PENDINGBYE);	
+				} else if (tmp_st_interval < st_get_se(p, FALSE)) {
+					ast_log(LOG_WARNING, "Got Session-Expires less than local Min-SE in 200 OK, tearing down call\n");
+					ast_set_flag(&p->flags[0], SIP_PENDINGBYE);
 				}
 				if (st_ref_param == SESSION_TIMER_REFRESHER_PARAM_UAC) {
 				   p->stimer->st_ref = SESSION_TIMER_REFRESHER_US;