/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
+ * Copyright (c)2001-2014 Alexander Barton (alex@barton.de) and Contributors.
*
- * 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.
- *
- * $Id: irc-op.c,v 1.3 2002/06/02 15:23:46 alex Exp $
- *
- * irc-op.c: Befehle zur Channel-Verwaltung
+ * 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.
*/
-
#include "portab.h"
-#include "imp.h"
+/**
+ * @file
+ * Channel operator commands
+ */
+
#include <assert.h>
#include <string.h>
-#include <stdio.h>
#include "conn.h"
-#include "client.h"
#include "channel.h"
-#include "defines.h"
+#include "irc-macros.h"
#include "irc-write.h"
#include "lists.h"
#include "log.h"
#include "messages.h"
#include "parse.h"
-#include "exp.h"
#include "irc-op.h"
+/* Local functions */
-GLOBAL BOOLEAN
-IRC_KICK( CLIENT *Client, REQUEST *Req )
+static bool
+try_kick(CLIENT *peer, CLIENT* from, const char *nick, const char *channel,
+ const char *reason)
{
- CLIENT *target, *from;
-
- assert( Client != NULL );
- assert( Req != NULL );
-
- /* Valider Client? */
- if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+ CLIENT *target = Client_Search(nick);
- /* Falsche Anzahl Parameter? */
- if(( Req->argc < 2) || ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ if (!target)
+ return IRC_WriteErrClient(from, ERR_NOSUCHNICK_MSG,
+ Client_ID(from), nick);
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
-
- /* Ziel-User suchen */
- target = Client_Search( Req->argv[1] );
- if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[1] );
-
- Channel_Kick( target, from, Req->argv[0], Req->argc == 3 ? Req->argv[2] : Client_ID( from ));
- return CONNECTED;
-} /* IRC_KICK */
+ Channel_Kick(peer, target, from, channel, reason);
+ return true;
+}
+/* Global functions */
-GLOBAL BOOLEAN
-IRC_BAN( CLIENT *Client, REQUEST *Req )
+/**
+ * Handler for the IRC command "KICK".
+ *
+ * @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_KICK(CLIENT *Client, REQUEST *Req)
{
+ CLIENT *from;
+ char *itemList = Req->argv[0];
+ const char* currentNick, *currentChannel, *reason;
+ unsigned int channelCount = 1;
+ unsigned int nickCount = 1;
+
assert( Client != NULL );
assert( Req != NULL );
- /* Valider Client? */
- if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+ _IRC_GET_SENDER_OR_RETURN_(from, Req, Client)
- /* Keine Parameter? */
- if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ while (*itemList) {
+ if (*itemList == ',') {
+ *itemList = '\0';
+ channelCount++;
+ }
+ itemList++;
+ }
- return CONNECTED;
-} /* IRC_BAN */
+ itemList = Req->argv[1];
+ while (*itemList) {
+ if (*itemList == ',') {
+ *itemList = '\0';
+ nickCount++;
+ }
+ itemList++;
+ }
+
+ reason = Req->argc == 3 ? Req->argv[2] : Client_ID(from);
+ currentNick = Req->argv[1];
+ currentChannel = Req->argv[0];
+ if (channelCount == 1) {
+ while (nickCount > 0) {
+ if (!try_kick(Client, from, currentNick,
+ currentChannel, reason))
+ return false;
+
+ while (*currentNick)
+ currentNick++;
+
+ currentNick++;
+ nickCount--;
+ }
+ } else if (channelCount == nickCount) {
+ while (nickCount > 0) {
+ if (!try_kick(Client, from, currentNick,
+ currentChannel, reason))
+ return false;
+ while (*currentNick)
+ currentNick++;
+
+ while (*currentChannel)
+ currentChannel++;
+
+ currentNick++;
+ currentChannel++;
+ nickCount--;
+ }
+ } else {
+ return IRC_WriteErrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+ Client_ID(Client), Req->command);
+ }
+ return true;
+} /* IRC_KICK */
-GLOBAL BOOLEAN
-IRC_INVITE( CLIENT *Client, REQUEST *Req )
+/**
+ * Handler for the IRC command "INVITE".
+ *
+ * @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_INVITE(CLIENT *Client, REQUEST *Req)
{
CHANNEL *chan;
CLIENT *target, *from;
- BOOLEAN remember = FALSE;
+ const char *colon_if_necessary;
+ bool remember = false;
assert( Client != NULL );
assert( Req != NULL );
- /* Valider Client? */
- if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) 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 );
-
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
-
- /* User suchen */
- target = Client_Search( Req->argv[0] );
- if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
-
- chan = Channel_Search( Req->argv[1] );
-
- if( chan )
- {
- /* Der Channel existiert bereits; ist der User Mitglied? */
- if( ! Channel_IsMemberOf( chan, from )) return IRC_WriteStrClient( from, ERR_NOTONCHANNEL_MSG, Client_ID( Client ), Req->argv[1] );
-
- /* Ist der Channel "invite-only"? */
- if( strchr( Channel_Modes( chan ), 'i' ))
- {
- /* Ja. Der User muss Channel-Operator sein! */
- if( ! strchr( Channel_UserModes( chan, from ), 'o' )) return IRC_WriteStrClient( from, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( from ), Channel_Name( chan ));
- remember = TRUE;
- }
+ _IRC_GET_SENDER_OR_RETURN_(from, Req, Client)
- /* Ist der Ziel-User bereits Mitglied? */
- if( Channel_IsMemberOf( chan, target )) return IRC_WriteStrClient( from, ERR_USERONCHANNEL_MSG, Client_ID( from ), Req->argv[0], Req->argv[1] );
+ /* Search user */
+ target = Client_Search(Req->argv[0]);
+ if (!target || (Client_Type(target) != CLIENT_USER))
+ return IRC_WriteErrClient(from, ERR_NOSUCHNICK_MSG,
+ Client_ID(Client), Req->argv[0]);
+ if (Req->argv[1][0] == '&') {
+ /* Local channel. Make sure the target user is on this server! */
+ if (Client_Conn(target) == NONE)
+ return IRC_WriteErrClient(from, ERR_USERNOTONSERV_MSG,
+ Client_ID(Client),
+ Req->argv[0]);
}
- Log( LOG_DEBUG, "User \"%s\" invites \"%s\" to \"%s\" ...", Client_Mask( from ), Req->argv[0], Req->argv[1] );
- IRC_WriteStrClientPrefix( target, from, "INVITE %s %s", Req->argv[0], Req->argv[1] );
- if( remember ) Lists_AddInvited( Client_Mask( target ), chan );
+ chan = Channel_Search(Req->argv[1]);
+ if (chan) {
+ /* Channel exists. Is the user a valid member of the channel? */
+ if (!Channel_IsMemberOf(chan, from))
+ return IRC_WriteErrClient(from, ERR_NOTONCHANNEL_MSG,
+ Client_ID(Client),
+ Req->argv[1]);
+
+ /* Is the channel "invite-disallow"? */
+ if (Channel_HasMode(chan, 'V'))
+ return IRC_WriteErrClient(from, ERR_NOINVITE_MSG,
+ Client_ID(from),
+ Channel_Name(chan));
+
+ /* Is the channel "invite-only"? */
+ if (Channel_HasMode(chan, 'i')) {
+ /* Yes. The user issuing the INVITE command must be
+ * channel owner/admin/operator/halfop! */
+ if (!Channel_UserHasMode(chan, from, 'q') &&
+ !Channel_UserHasMode(chan, from, 'a') &&
+ !Channel_UserHasMode(chan, from, 'o') &&
+ !Channel_UserHasMode(chan, from, 'h'))
+ return IRC_WriteErrClient(from,
+ ERR_CHANOPRIVSNEEDED_MSG,
+ Client_ID(from),
+ Channel_Name(chan));
+ remember = true;
+ }
+
+ /* Is the target user already member of the channel? */
+ if (Channel_IsMemberOf(chan, target))
+ return IRC_WriteErrClient(from, ERR_USERONCHANNEL_MSG,
+ Client_ID(from),
+ Req->argv[0], Req->argv[1]);
+
+ /* If the target user is banned on that channel: remember invite */
+ if (Lists_Check(Channel_GetListBans(chan), target))
+ remember = true;
+
+ if (remember) {
+ /* We must remember this invite */
+ if (!Channel_AddInvite(chan, Client_MaskCloaked(target),
+ true, Client_ID(from)))
+ return CONNECTED;
+ }
+ }
- if( Client_Conn( target ) > NONE )
- {
- /* lokaler Zeil-Client, Status-Code melden */
- if( ! IRC_WriteStrClientPrefix( from, from, RPL_INVITING_MSG, Client_ID( from ), Req->argv[0], Req->argv[1] )) return DISCONNECTED;
+ LogDebug("User \"%s\" invites \"%s\" to \"%s\" ...", Client_Mask(from),
+ Req->argv[0], Req->argv[1]);
+
+ /*
+ * RFC 2812 states:
+ * 'There is no requirement that the channel [..] must exist or be a
+ * valid channel'. The problem with this is that this allows the
+ * "channel" to contain spaces, in which case we must prefix its name
+ * with a colon to make it clear that it is only a single argument.
+ */
+ colon_if_necessary = strchr(Req->argv[1], ' ') ? ":":"";
+ /* Inform target client */
+ IRC_WriteStrClientPrefix(target, from, "INVITE %s %s%s", Req->argv[0],
+ colon_if_necessary, Req->argv[1]);
+
+ if (Client_Conn(target) > NONE) {
+ /* The target user is local, so we have to send the status code */
+ if (!IRC_WriteStrClient(from, RPL_INVITING_MSG,
+ Client_ID(from), Req->argv[0],
+ colon_if_necessary, Req->argv[1]))
+ return DISCONNECTED;
+
+ if (Client_HasMode(target, 'a') &&
+ !IRC_WriteStrClient(from, RPL_AWAY_MSG, Client_ID(from),
+ Client_ID(target), Client_Away(target)))
+ return DISCONNECTED;
}
-
return CONNECTED;
} /* IRC_INVITE */
-
/* -eof- */