Proper checking of callid length

Reported by Walter Doekes
OpenSIPS · Jun 10, 2014 · 1dcd88e · 1dcd88e
1 parent 7864fd2
commit 1dcd88e
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/modules/dialog/dlg_tophiding.c b/modules/dialog/dlg_tophiding.c
@@ -679,7 +679,8 @@ int dlg_th_needs_decoding(struct sip_msg *msg)
 		return 0;
 	}
 
-	if (memcmp(msg->callid->body.s,topo_hiding_prefix.s,
+	if (msg->callid->body.len > topo_hiding_prefix.len &&
+        memcmp(msg->callid->body.s,topo_hiding_prefix.s,
 	topo_hiding_prefix.len) == 0)
 		return 1;