+/**
+ * Handler for the IRC "CONNECT" command.
+ *
+ * See RFC 2812, 3.4.7 "Connect message".
+ *
+ * @param Client The client from which this command has been received.
+ * @param Req Request structure with prefix and all parameters.
+ * @return CONNECTED or DISCONNECTED.
+ */
+GLOBAL bool
+IRC_CONNECT(CLIENT * Client, REQUEST * Req)
+{
+ CLIENT *from, *target;
+
+ assert(Client != NULL);
+ assert(Req != NULL);
+
+ if (Client_Type(Client) != CLIENT_SERVER
+ && !Client_HasMode(Client, 'o'))
+ return Op_NoPrivileges(Client, Req);
+
+ /* Bad number of parameters? */
+ if (Req->argc != 1 && Req->argc != 2 && Req->argc != 3 &&
+ Req->argc != 5 && Req->argc != 6)
+ return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+ Client_ID(Client), Req->command);
+
+ /* Invalid port number? */
+ if ((Req->argc > 1) && atoi(Req->argv[1]) < 1)
+ return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+ Client_ID(Client), Req->command);
+
+ from = Client;
+ target = Client_ThisServer();
+
+ if (Req->argc == 3 || Req->argc == 6) {
+ /* This CONNECT has a target parameter */
+ if (Client_Type(Client) == CLIENT_SERVER && Req->prefix)
+ from = Client_Search(Req->prefix);
+ if (! from)
+ return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
+ Client_ID(Client), Req->prefix);
+
+ target = (Req->argc == 3) ? Client_Search(Req->argv[2])
+ : Client_Search(Req->argv[5]);
+ if (! target || Client_Type(target) != CLIENT_SERVER)
+ return IRC_WriteStrClient(from, ERR_NOSUCHSERVER_MSG,
+ Client_ID(from), Req->argv[0]);
+ }
+
+ if (target != Client_ThisServer()) {
+ /* Forward CONNECT command ... */
+ if (Req->argc == 3)
+ IRC_WriteStrClientPrefix(target, from,
+ "CONNECT %s %s :%s", Req->argv[0],
+ Req->argv[1], Req->argv[2]);
+ else
+ IRC_WriteStrClientPrefix(target, from,
+ "CONNECT %s %s %s %s %s :%s", Req->argv[0],
+ Req->argv[1], Req->argv[2], Req->argv[3],
+ Req->argv[4], Req->argv[5]);
+ return CONNECTED;
+ }
+
+ if (!Op_Check(from, Req))
+ return Op_NoPrivileges(Client, Req);
+
+ switch (Req->argc) {
+ case 1:
+ if (!Conf_EnablePassiveServer(Req->argv[0]))
+ return IRC_WriteStrClient(from, ERR_NOSUCHSERVER_MSG,
+ Client_ID(from),
+ Req->argv[0]);
+ break;
+ case 2:
+ case 3:
+ /* Connect configured server */
+ if (!Conf_EnableServer
+ (Req->argv[0], (UINT16) atoi(Req->argv[1])))
+ return IRC_WriteStrClient(from, ERR_NOSUCHSERVER_MSG,
+ Client_ID(from),
+ Req->argv[0]);
+ break;
+ default:
+ /* Add server */
+ if (!Conf_AddServer
+ (Req->argv[0], (UINT16) atoi(Req->argv[1]), Req->argv[2],
+ Req->argv[3], Req->argv[4]))
+ return IRC_WriteStrClient(from, ERR_NOSUCHSERVER_MSG,
+ Client_ID(from),
+ Req->argv[0]);
+ }
+
+ Log(LOG_NOTICE | LOG_snotice,
+ "Got CONNECT command from \"%s\" for \"%s\".", Client_Mask(from),
+ Req->argv[0]);
+ IRC_SendWallops(Client_ThisServer(), Client_ThisServer(),
+ "Received CONNECT %s from %s",
+ Req->argv[0], Client_ID(from));
+
+ return CONNECTED;
+} /* IRC_CONNECT */
+
+/**
+ * Handler for the IRC "DISCONNECT" command.
+ *
+ * This command is not specified in the IRC RFCs, it is an extension
+ * of ngIRCd: it shuts down and disables a configured server connection.
+ *
+ * @param Client The client from which this command has been received.
+ * @param Req Request structure with prefix and all parameters.
+ * @return CONNECTED or DISCONNECTED.
+ */
+GLOBAL bool
+IRC_DISCONNECT(CLIENT * Client, REQUEST * Req)
+{
+ CONN_ID my_conn;
+
+ assert(Client != NULL);
+ assert(Req != NULL);
+
+ if (!Op_Check(Client, Req))
+ return Op_NoPrivileges(Client, Req);
+
+ /* Bad number of parameters? */
+ if (Req->argc != 1)
+ return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+ Client_ID(Client), Req->command);
+
+ IRC_SendWallops(Client_ThisServer(), Client_ThisServer(),
+ "Received DISCONNECT %s from %s",
+ Req->argv[0], Client_ID(Client));
+
+ Log(LOG_NOTICE | LOG_snotice,
+ "Got DISCONNECT command from \"%s\" for \"%s\".",
+ Client_Mask(Client), Req->argv[0]);
+
+ /* Save ID of this connection */
+ my_conn = Client_Conn(Client);
+
+ /* Disconnect configured server */
+ if (!Conf_DisableServer(Req->argv[0]))
+ return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG,
+ Client_ID(Client), Req->argv[0]);
+
+ /* Are we still connected or were we killed, too? */
+ if (Conn_GetClient(my_conn))
+ return CONNECTED;
+ else
+ return DISCONNECTED;
+} /* IRC_DISCONNECT */
+
+/**
+ * Handler for the IRC "WALLOPS" command.
+ *
+ * See RFC 2812, 4.7 "Operwall message".
+ *
+ * @param Client The client from which this command has been received.
+ * @param Req Request structure with prefix and all parameters.
+ * @return CONNECTED or DISCONNECTED.
+ */
+GLOBAL bool
+IRC_WALLOPS( CLIENT *Client, REQUEST *Req )
+{
+ CLIENT *from;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if (Req->argc != 1)
+ return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+ Client_ID(Client), Req->command);
+
+ switch (Client_Type(Client)) {
+ case CLIENT_USER:
+ if (!Client_OperByMe(Client))
+ return IRC_WriteStrClient(Client, ERR_NOPRIVILEGES_MSG,
+ Client_ID(Client));
+ from = Client;
+ break;
+ case CLIENT_SERVER:
+ from = Client_Search(Req->prefix);
+ break;
+ default:
+ return CONNECTED;
+ }
+
+ if (!from)
+ return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
+ Client_ID(Client), Req->prefix);
+
+ IRC_SendWallops(Client, from, "%s", Req->argv[0]);
+ return CONNECTED;
+} /* IRC_WALLOPS */
+
+/**
+ * Handle <?>LINE commands (GLINE, KLINE).
+ *
+ * @param Client The client from which this command has been received.
+ * @param Req Request structure with prefix and all parameters.
+ * @return CONNECTED or DISCONNECTED.
+ */
+GLOBAL bool
+IRC_xLINE(CLIENT *Client, REQUEST *Req)
+{
+ CLIENT *from;
+ int class;
+ char class_c;
+
+ assert(Client != NULL);
+ assert(Req != NULL);
+
+ from = Op_Check(Client, Req);
+ if (!from)
+ return Op_NoPrivileges(Client, Req);
+
+ /* Bad number of parameters? */
+ if (Req->argc != 1 && Req->argc != 3)
+ return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+ Client_ID(Client), Req->command);
+
+ switch(Req->command[0]) {
+ case 'g':
+ case 'G':
+ class = CLASS_GLINE; class_c = 'G';
+ break;
+ case 'k':
+ case 'K':
+ class = CLASS_KLINE; class_c = 'K';
+ break;
+ default:
+ Log(LOG_CRIT,
+ "IRC_xLINE() called for unknown line: %c!? Ignored.",
+ Req->command[0]);
+ return CONNECTED;
+ }
+
+ if (Req->argc == 1) {
+ /* Delete mask from list */
+ Class_DeleteMask(class, Req->argv[0]);
+ Log(LOG_NOTICE|LOG_snotice,
+ "\"%s\" deleted \"%s\" from %c-Line list.",
+ Client_Mask(from), Req->argv[0], class_c);
+ if (class == CLASS_GLINE) {
+ /* Inform other servers */
+ IRC_WriteStrServersPrefix(Client, from, "%s %s",
+ Req->command, Req->argv[0]);
+
+ }
+ } else {
+ /* Add new mask to list */
+ if (Class_AddMask(class, Req->argv[0],
+ time(NULL) + atol(Req->argv[1]),
+ Req->argv[2])) {
+ Log(LOG_NOTICE|LOG_snotice,
+ "\"%s\" added \"%s\" to %c-Line list: \"%s\" (%ld seconds).",
+ Client_Mask(from), Req->argv[0], class_c,
+ Req->argv[2], atol(Req->argv[1]));
+ if (class == CLASS_GLINE) {
+ /* Inform other servers */
+ IRC_WriteStrServersPrefix(Client, from,
+ "%s %s %s :%s", Req->command,
+ Req->argv[0], Req->argv[1],
+ Req->argv[2]);
+ }
+ }
+ }
+
+ return CONNECTED;
+}