Merged revisions 317867 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.8

........
  r317867 | russell | 2011-05-06 15:01:16 -0500 (Fri, 06 May 2011) | 10 lines

  chan_sip: Destroy variables on a sip_pvt before copying vars from the sip_peer.

  Don't duplicate variables on the sip_pvt.  Just reset the variable list each
  time.

  (closes issue #19202)
  Reported by: wdoekes
  Patches:
        issue19202_destroy_challenged_invite_chanvars.patch uploaded by wdoekes (license 717)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@317868 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index eeff890..36866ba 100644 (file)
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -15582,7 +15582,8 @@ static enum check_auth_result check_peer_ok(struct sip_pvt *p, char *of,
                ast_string_field_set(p, authname, peer->name);
 
                if (sipmethod == SIP_INVITE) {
-                       /* copy channel vars */
+                       /* destroy old channel vars and copy in new ones. */
+                       ast_variables_destroy(p->chanvars);
                        p->chanvars = copy_vars(peer->chanvars);
                }