Changeset 826

Timestamp:

11/19/08 22:38:02 (3 years ago)

Author:

wd

Message:

Don't allow already-existant servers to be introduced. Duh.

File:

• branches/ithildin-1.1/modules/ircd/commands/server.c (modified) (1 diff)

branches/ithildin-1.1/modules/ircd/commands/server.c

@@ -155 +155 @@
                 return IRCD_CONNECTION_CLOSED;
             }
+        }
+
+        if (find_server(argv[1]) != NULL)
+        {
+            server_t *uplink = srv_server_uplink(srv);
+
+            /* Trying to introduce a server we already know about?  We'll
+             * just drop this link right away.
+             * XXX: Some ircds drop the link which is newest, not
+             * necessarily the link that didn't have the server before.  I'm
+             * not sure what the rationale is here, but it might be worth
+             * evaluating at a later date. */
+            sendto_flag(SFLAG("GNOTICE"),
+                    "Server %s trying to introduce existing server %s%s%s",
+                    srv->name, argv[1],
+                    srv != uplink ? " via " : "",
+                    srv != uplink ? uplink->name : "");
+            sendto_serv_butone(srv, NULL, ircd.me, NULL, "GNOTICE",
+                    "Server %s trying to introduce existing server %s%s%s",
+                    srv->name, argv[1],
+                    srv != uplink ? " via " : "",
+                    srv != uplink ? uplink->name : "");
+            destroy_server(uplink, "trying to introduce existing server");
+
+            return IRCD_CONNECTION_CLOSED;
         }