/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
+ * Copyright (c)2001-2008 Alexander Barton (alex@barton.de)
*
- * Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen
- * der GNU General Public License (GPL), wie von der Free Software Foundation
- * herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2
- * der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version.
- * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
- * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * Please read the file COPYING, README and AUTHORS for more information.
*
- * $Id: irc-oper.c,v 1.2 2002/03/12 14:37:52 alex Exp $
- *
- * irc-oper.c: IRC-Operator-Befehle
+ * IRC operator commands
*/
#include "imp.h"
#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
#include "ngircd.h"
+#include "resolve.h"
+#include "conn-func.h"
#include "conf.h"
+#include "client.h"
+#include "channel.h"
#include "irc-write.h"
#include "log.h"
+#include "match.h"
#include "messages.h"
+#include "parse.h"
#include <exp.h>
#include "irc-oper.h"
-GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
+/**
+ * Handle invalid received OPER command.
+ * Log OPER attempt and send error message to client.
+ */
+static bool
+Bad_OperPass(CLIENT *Client, char *errtoken, char *errmsg)
+{
+ Log(LOG_WARNING, "Got invalid OPER from \"%s\": \"%s\" -- %s",
+ Client_Mask(Client), errtoken, errmsg);
+ IRC_SetPenalty(Client, 3);
+ return IRC_WriteStrClient(Client, ERR_PASSWDMISMATCH_MSG,
+ Client_ID(Client));
+} /* Bad_OperPass */
+
+
+/**
+ * Check that the client is an IRC operator allowed to administer this server.
+ */
+static bool
+Check_Oper(CLIENT * Client)
+{
+ if (!Client_HasMode(Client, 'o'))
+ return false;
+ if (!Client_OperByMe(Client) && !Conf_AllowRemoteOper)
+ return false;
+ /* The client is an local IRC operator, or this server is configured
+ * to trust remote operators. */
+ return true;
+} /* CheckOper */
+
+
+/**
+ * Return and log a "no privileges" message.
+ */
+static bool
+No_Privileges(CLIENT * Client, REQUEST * Req)
{
- INT i;
+ Log(LOG_NOTICE, "No privileges: client \"%s\", command \"%s\"",
+ Client_Mask(Client), Req->command);
+ return IRC_WriteStrClient(Client, ERR_NOPRIVILEGES_MSG,
+ Client_ID(Client));
+} /* PermissionDenied */
+
+
+GLOBAL bool
+IRC_OPER( CLIENT *Client, REQUEST *Req )
+{
+ unsigned int i;
assert( Client != NULL );
assert( Req != NULL );
- if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
-
- /* Falsche Anzahl Parameter? */
if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- /* Operator suchen */
for( i = 0; i < Conf_Oper_Count; i++)
{
if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
}
if( i >= Conf_Oper_Count )
- {
- Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
- return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
- }
+ return Bad_OperPass(Client, Req->argv[0], "not configured");
- /* Stimmt das Passwort? */
if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
- {
- Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
- return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
- }
+ return Bad_OperPass(Client, Conf_Oper[i].name, "bad password");
+
+ if( Conf_Oper[i].mask && (! Match( Conf_Oper[i].mask, Client_Mask( Client ) )))
+ return Bad_OperPass(Client, Conf_Oper[i].mask, "hostmask check failed" );
if( ! Client_HasMode( Client, 'o' ))
{
- /* noch kein o-Mode gesetzt */
Client_ModeAdd( Client, 'o' );
if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
}
- if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
+ if( ! Client_OperByMe( Client )) Log( LOG_NOTICE|LOG_snotice, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
- Client_SetOperByMe( Client, TRUE );
+ Client_SetOperByMe( Client, true);
return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
} /* IRC_OPER */
-GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
+GLOBAL bool
+IRC_DIE(CLIENT * Client, REQUEST * Req)
{
- assert( Client != NULL );
- assert( Req != NULL );
+ /* Shut down server */
- if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+ CONN_ID c;
+ CLIENT *cl;
- /* Falsche Anzahl Parameter? */
- if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ assert(Client != NULL);
+ assert(Req != NULL);
+
+ if (!Check_Oper(Client))
+ return No_Privileges(Client, Req);
+
+ /* Bad number of parameters? */
+#ifdef STRICT_RFC
+ if (Req->argc != 0)
+#else
+ if (Req->argc > 1)
+#endif
+ return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+ Client_ID(Client), Req->command);
- if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
+ /* Is a message given? */
+ if (Req->argc > 0) {
+ c = Conn_First();
+ while (c != NONE) {
+ cl = Conn_GetClient(c);
+ if (Client_Type(cl) == CLIENT_USER)
+ IRC_WriteStrClient(cl, "NOTICE %s :%s",
+ Client_ID(cl), Req->argv[0]);
+ c = Conn_Next(c);
+ }
+ }
+
+ Log(LOG_NOTICE | LOG_snotice, "Got DIE command from \"%s\" ...",
+ Client_Mask(Client));
+ NGIRCd_SignalQuit = true;
- Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
- NGIRCd_Quit = TRUE;
return CONNECTED;
} /* IRC_DIE */
-GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
+GLOBAL bool
+IRC_REHASH( CLIENT *Client, REQUEST *Req )
{
+ /* Reload configuration file */
+
assert( Client != NULL );
assert( Req != NULL );
- if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+ if (!Check_Oper(Client))
+ return No_Privileges(Client, Req);
- /* Falsche Anzahl Parameter? */
+ /* Bad number of parameters? */
if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
+ Log( LOG_NOTICE|LOG_snotice, "Got REHASH command from \"%s\" ...", Client_Mask( Client ));
+ NGIRCd_SignalRehash = true;
+
+ return CONNECTED;
+} /* IRC_REHASH */
+
- Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
- NGIRCd_Restart = TRUE;
+GLOBAL bool
+IRC_RESTART( CLIENT *Client, REQUEST *Req )
+{
+ /* Restart IRC server (fork a new process) */
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if (!Check_Oper(Client))
+ return No_Privileges(Client, Req);
+
+ /* Bad number of parameters? */
+ if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ Log( LOG_NOTICE|LOG_snotice, "Got RESTART command from \"%s\" ...", Client_Mask( Client ));
+ NGIRCd_SignalRestart = true;
return CONNECTED;
} /* IRC_RESTART */
+/**
+ * Connect configured or new server.
+ */
+GLOBAL bool
+IRC_CONNECT(CLIENT * Client, REQUEST * Req)
+{
+ char msg[LINE_LEN + 64];
+
+ assert(Client != NULL);
+ assert(Req != NULL);
+
+ if (!Check_Oper(Client))
+ return No_Privileges(Client, Req);
+
+ /* Bad number of parameters? */
+ if ((Req->argc != 1) && (Req->argc != 2) && (Req->argc != 5))
+ 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);
+
+ snprintf(msg, sizeof(msg), "Received CONNECT %s from %s",
+ Req->argv[0], Client_ID(Client));
+ IRC_SendWallops(Client_ThisServer(), Client_ThisServer(), msg);
+
+ Log(LOG_NOTICE | LOG_snotice,
+ "Got CONNECT command from \"%s\" for \"%s\".", Client_Mask(Client),
+ Req->argv[0]);
+
+ switch (Req->argc) {
+ case 1:
+ if (!Conf_EnablePassiveServer(Req->argv[0]))
+ return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG,
+ Client_ID(Client),
+ Req->argv[0]);
+ break;
+ case 2:
+ /* Connect configured server */
+ if (!Conf_EnableServer
+ (Req->argv[0], (UINT16) atoi(Req->argv[1])))
+ return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG,
+ Client_ID(Client),
+ 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(Client, ERR_NOSUCHSERVER_MSG,
+ Client_ID(Client),
+ Req->argv[0]);
+ }
+
+ return CONNECTED;
+} /* IRC_CONNECT */
+
+
+/**
+ * Disconnect (and disable) configured server.
+ */
+GLOBAL bool
+IRC_DISCONNECT(CLIENT * Client, REQUEST * Req)
+{
+ CONN_ID my_conn;
+ char msg[LINE_LEN + 64];
+
+ assert(Client != NULL);
+ assert(Req != NULL);
+
+ if (!Check_Oper(Client))
+ return No_Privileges(Client, Req);
+
+ /* Bad number of parameters? */
+ if (Req->argc != 1)
+ return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+ Client_ID(Client), Req->command);
+
+ snprintf(msg, sizeof(msg), "Received DISCONNECT %s from %s",
+ Req->argv[0], Client_ID(Client));
+ IRC_SendWallops(Client_ThisServer(), Client_ThisServer(), msg);
+
+ 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 */
+
+
+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, Req->argv[0]);
+ return CONNECTED;
+} /* IRC_WALLOPS */
+
+
/* -eof- */
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