Update of /usr/cvsroot/asterisk/channels
In directory localhost.localdomain:/tmp/cvs-serv3081/channels
Modified Files:
chan_sip.c
Log Message:
don't segfault when peer doesn't send Referred-By (bug #4588)
Index: chan_sip.c
===================================================================
RCS file: /usr/cvsroot/asterisk/channels/chan_sip.c,v
retrieving revision 1.773
retrieving revision 1.774
diff -u -d -r1.773 -r1.774
--- chan_sip.c 5 Jul 2005 17:16:16 -0000 1.773
+++ chan_sip.c 6 Jul 2005 01:45:23 -0000 1.774
@@ -5909,9 +5909,11 @@
referred_by = NULL;
}
- refer_to += 4;
- referred_by += 4;
-
+ if (refer_to)
+ refer_to += 4;
+
+ if (referred_by)
+ referred_by += 4;
if ((ptr = strchr(refer_to, '?'))) {
/* Search for arguments */
@@ -5982,7 +5984,8 @@
ast_log(LOG_DEBUG,"Transferred by (Referred-by: ) %s
\n", referred_by);
ast_log(LOG_DEBUG,"Transfer Contact Info %s (REFER_CONTACT)\n",
h_contact);
ast_copy_string(sip_pvt->refer_to, refer_to,
sizeof(sip_pvt->refer_to));
- ast_copy_string(sip_pvt->referred_by, referred_by,
sizeof(sip_pvt->referred_by));
+ if (referred_by)
+ ast_copy_string(sip_pvt->referred_by, referred_by,
sizeof(sip_pvt->referred_by));
if (h_contact) {
ast_copy_string(sip_pvt->refer_contact, h_contact,
sizeof(sip_pvt->refer_contact));
}
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