disable keepalive for clients that send OPTIONS/NOTIFY

kamailio/default.cfg

@@ -454,9 +454,11 @@ route[HANDLE_OPTIONS]
         }
         #!endif
         
-        ## TODO: remove nat if client is sending options
-
         sl_send_reply("200", "Rawr!!");
+
+        #!ifdef NAT_TRAVERSAL_ROLE
+        route(KEEPALIVE_ON_OPTIONS);
+        #!endif
     }
     exit;
 }
@@ -479,7 +481,12 @@ route[HANDLE_NOTIFY]
         }
         #!endif
 
-        ## TODO: verify we're not routing to ourselves
+        ## verify we're not routing to ourselves
+        if(is_myself($du)) {
+            xlog("L_INFO", "$ci|log|notify from internal to invalid destination $ruid\n");
+            sl_send_reply("200", "Rawr!!");
+            exit;
+        }
 
         route(INTERNAL_TO_EXTERNAL_RELAY);
     } else {
@@ -489,7 +496,6 @@ route[HANDLE_NOTIFY]
         }
         #!endif
 
-        ## TODO: remove nat if client is sending notify for keepalive
 
         if($hdr(Event) == "keep-alive") {
            xlog("L_INFO", "$ci|stop|replying to keep alive\n");
@@ -498,6 +504,11 @@ route[HANDLE_NOTIFY]
            xlog("L_INFO", "$ci|stop|consuming event $hdr(Event)\n");
            sl_send_reply("200", "Rawr!!");
         }
+
+        #!ifdef NAT_TRAVERSAL_ROLE
+        route(KEEPALIVE_ON_NOTIFY);
+        #!endif
+
     }
     exit;
 }

kamailio/keepalive.cfg

@@ -189,3 +189,15 @@ route[KEEPALIVE_ON_EXPIRED_REGISTRATION]
    $var(Query) = $_s(DELETE FROM keepalive where contact like "$ulc(exp=>addr)%");
    mq_add("keepalive_db_queue", "$uuid(g)", "$var(Query)");
 }
+
+route[KEEPALIVE_ON_OPTIONS]
+{
+   $var(Query) = $_s(UPDATE keepalive set selected = 3 where contact like "%alias=$si~$sp~$prid%");
+   mq_add("keepalive_db_queue", "$uuid(g)", "$var(Query)");
+}
+
+route[KEEPALIVE_ON_NOTIFY]
+{
+   $var(Query) = $_s(UPDATE keepalive set selected = 4 where contact like "%alias=$si~$sp~$prid%");
+   mq_add("keepalive_db_queue", "$uuid(g)", "$var(Query)");
+}