* ngIRCd -- The Next Generation IRC Daemon
* Copyright (c)2001,2002 by 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-channel.c,v 1.3 2002/03/25 17:08:54 alex Exp $
- *
- * irc-channel.c: IRC-Channel-Befehle
+ * IRC channel commands
*/
#include "portab.h"
+static char UNUSED id[] = "$Id: irc-channel.c,v 1.21 2002/12/16 23:06:46 alex Exp $";
+
#include "imp.h"
#include <assert.h>
#include <string.h>
#include "defines.h"
-#include "irc.h"
-#include "irc-write.h"
+#include "conn.h"
+#include "client.h"
+#include "channel.h"
+#include "lists.h"
#include "log.h"
+#include "match.h"
#include "messages.h"
+#include "parse.h"
+#include "irc-info.h"
+#include "irc-write.h"
+#include "resolve.h"
+#include "conf.h"
#include "exp.h"
#include "irc-channel.h"
-GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
+GLOBAL BOOLEAN
+IRC_JOIN( CLIENT *Client, REQUEST *Req )
{
- CHAR *channame, *flags, *topic, modes[8];
- BOOLEAN is_new_chan;
+ CHAR *channame, *key, *flags, *topic, modes[8];
+ BOOLEAN is_new_chan, is_invited, is_banned;
CLIENT *target;
CHANNEL *chan;
assert( Client != NULL );
assert( Req != NULL );
- 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 > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ /* Bad number of arguments? */
+ if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- /* Wer ist der Absender? */
+ /* Who is the sender? */
if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
else target = Client;
if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+ /* Are channel keys given? */
+ if( Req->argc > 1 ) key = Req->argv[1];
+ else key = NULL;
+
/* Channel-Namen durchgehen */
+ chan = NULL;
channame = strtok( Req->argv[0], "," );
while( channame )
{
- /* wird der Channel neu angelegt? */
- flags = NULL;
+ chan = flags = NULL;
+ /* wird der Channel neu angelegt? */
if( Channel_Search( channame )) is_new_chan = FALSE;
else is_new_chan = TRUE;
{
/* Channel-Flags extrahieren */
flags = strchr( channame, 0x7 );
- if( flags ) *flags++ = '\0';
+ if( flags )
+ {
+ *flags = '\0';
+ flags++;
+ }
}
- /* neuer Channel udn lokaler Client? */
- if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
+ /* Lokaler Client? */
+ if( Client_Type( Client ) == CLIENT_USER )
{
- /* Dann soll der Client Channel-Operator werden! */
- flags = "o";
+ /* Test if the user has reached his maximum channel count */
+ if( Client_Type( Client ) == CLIENT_USER )
+ {
+ if(( Conf_MaxJoins > 0 ) && ( Channel_CountForUser( Client ) >= Conf_MaxJoins ))
+ {
+ IRC_WriteStrClient( Client, ERR_TOOMANYCHANNELS_MSG, Client_ID( Client ), channame );
+ return CONNECTED;
+ }
+ }
+
+ /* Existiert der Channel bereits, oder wird er im Moment neu erzeugt? */
+ if( is_new_chan )
+ {
+ /* Erster User im Channel: Operator-Flag setzen */
+ flags = "o";
+ }
+ else
+ {
+ /* Existierenden Channel suchen */
+ chan = Channel_Search( channame );
+ assert( chan != NULL );
+
+ is_banned = Lists_CheckBanned( target, chan );
+ is_invited = Lists_CheckInvited( target, chan );
+
+ /* Testen, ob Client gebanned ist */
+ if(( is_banned == TRUE ) && ( is_invited == FALSE ))
+ {
+ /* Client ist gebanned (und nicht invited): */
+ IRC_WriteStrClient( Client, ERR_BANNEDFROMCHAN_MSG, Client_ID( Client ), channame );
+
+ /* Try next name, if any */
+ channame = strtok( NULL, "," );
+ continue;
+ }
+
+ /* Ist der Channel "invite-only"? */
+ if(( strchr( Channel_Modes( chan ), 'i' )) && ( is_invited == FALSE ))
+ {
+ /* Channel ist "invite-only" und Client wurde nicht invited: */
+ IRC_WriteStrClient( Client, ERR_INVITEONLYCHAN_MSG, Client_ID( Client ), channame );
+
+ /* Try next name, if any */
+ channame = strtok( NULL, "," );
+ continue;
+ }
+
+ /* Is the channel protected by a key? */
+ if(( strchr( Channel_Modes( chan ), 'k' )) && ( strcmp( Channel_Key( chan ), key ? key : "" ) != 0 ))
+ {
+ /* Bad channel key! */
+ IRC_WriteStrClient( Client, ERR_BADCHANNELKEY_MSG, Client_ID( Client ), channame );
+
+ /* Try next name, if any */
+ channame = strtok( NULL, "," );
+ continue;
+ }
+
+ /* Are there already too many members? */
+ if(( strchr( Channel_Modes( chan ), 'l' )) && ( Channel_MaxUsers( chan ) <= Channel_MemberCount( chan )))
+ {
+ /* Bad channel key! */
+ IRC_WriteStrClient( Client, ERR_CHANNELISFULL_MSG, Client_ID( Client ), channame );
+
+ /* Try next name, if any */
+ channame = strtok( NULL, "," );
+ continue;
+ }
+ }
}
/* Channel joinen (und ggf. anlegen) */
channame = strtok( NULL, "," );
continue;
}
- chan = Channel_Search( channame );
+ if( ! chan ) chan = Channel_Search( channame );
assert( chan != NULL );
/* Modes setzen (wenn vorhanden) */
flags++;
}
+ /* Wenn persistenter Channel und IRC-Operator: zum Channel-OP machen */
+ if(( strchr( Channel_Modes( chan ), 'P' )) && ( strchr( Client_Modes( target ), 'o' ))) Channel_UserModeAdd( chan, target, 'o' );
+
/* Muessen Modes an andere Server gemeldet werden? */
strcpy( &modes[1], Channel_UserModes( chan, target ));
if( modes[1] ) modes[0] = 0x7;
if( modes[1] )
{
/* Modes im Channel bekannt machen */
- IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
+ IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s +%s %s", channame, &modes[1], Client_ID( target ));
}
if( Client_Type( Client ) == CLIENT_USER )
} /* IRC_JOIN */
-GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
+GLOBAL BOOLEAN
+IRC_PART( CLIENT *Client, REQUEST *Req )
{
CLIENT *target;
CHAR *chan;
assert( Client != NULL );
assert( Req != NULL );
- 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 );
} /* IRC_PART */
-GLOBAL BOOLEAN IRC_TOPIC( CLIENT *Client, REQUEST *Req )
+GLOBAL BOOLEAN
+IRC_TOPIC( CLIENT *Client, REQUEST *Req )
{
CHANNEL *chan;
CLIENT *from;
assert( Client != NULL );
assert( Req != NULL );
- 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 < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* Welcher Channel? */
chan = Channel_Search( Req->argv[0] );
- if( ! chan ) return IRC_WriteStrClient( from, ERR_NOTONCHANNEL_MSG, Client_ID( from ), Req->argv[0] );
+ if( ! chan ) return IRC_WriteStrClient( from, ERR_NOSUCHCHANNEL_MSG, Client_ID( from ), Req->argv[0] );
/* Ist der User Mitglied in dem Channel? */
if( ! Channel_IsMemberOf( chan, from )) return IRC_WriteStrClient( from, ERR_NOTONCHANNEL_MSG, Client_ID( from ), Req->argv[0] );
} /* IRC_TOPIC */
+GLOBAL BOOLEAN
+IRC_LIST( CLIENT *Client, REQUEST *Req )
+{
+ CHAR *pattern;
+ CHANNEL *chan;
+ CLIENT *from, *target;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ if( Req->argc > 0 ) pattern = strtok( Req->argv[0], "," );
+ else pattern = "*";
+
+ /* From aus Prefix ermitteln */
+ if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
+ else from = Client;
+ if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
+
+ if( Req->argc == 2 )
+ {
+ /* an anderen Server forwarden */
+ target = Client_Search( Req->argv[1] );
+ if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
+
+ if( target != Client_ThisServer( ))
+ {
+ /* Ok, anderer Server ist das Ziel: forwarden */
+ return IRC_WriteStrClientPrefix( target, from, "LIST %s :%s", from, Req->argv[1] );
+ }
+ }
+
+ while( pattern )
+ {
+ /* alle Channel durchgehen */
+ chan = Channel_First( );
+ while( chan )
+ {
+ /* Passt die Suchmaske auf diesen Channel? */
+ if( Match( pattern, Channel_Name( chan )))
+ {
+ /* Treffer! */
+ if( ! IRC_WriteStrClient( from, RPL_LIST_MSG, from, Channel_Name( chan ), Channel_MemberCount( chan ), Channel_Topic( chan ))) return DISCONNECTED;
+ }
+ chan = Channel_Next( chan );
+ }
+
+ /* naechsten Namen ermitteln */
+ if( Req->argc > 0 ) pattern = strtok( NULL, "," );
+ else pattern = NULL;
+ }
+
+ return IRC_WriteStrClient( from, RPL_LISTEND_MSG, from );
+} /* IRC_LIST */
+
+
+GLOBAL BOOLEAN
+IRC_CHANINFO( CLIENT *Client, REQUEST *Req )
+{
+ CLIENT *from;
+ CHANNEL *chan;
+ CHAR *ptr;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ /* Falsche Anzahl Parameter? */
+ if(( Req->argc < 1 ) || ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ /* From-Server suchen */
+ from = Client_Search( Req->prefix );
+ if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+
+ /* Channel suchen bzw. erzeugen */
+ chan = Channel_Search( Req->argv[0] );
+ if( ! chan ) chan = Channel_Create( Req->argv[0] );
+ if( ! chan ) return CONNECTED;
+
+ if( Req->argv[1][0] == '+' )
+ {
+ ptr = Channel_Modes( chan );
+ if( ! *ptr )
+ {
+ /* OK, es sind noch keine Modes gesetzt */
+ Channel_SetModes( chan, &Req->argv[1][1] );
+ IRC_WriteStrChannelPrefix( Client, chan, from, FALSE, "MODE %s +%s", Req->argv[0], &Req->argv[1][1] );
+ }
+ }
+ else Log( LOG_WARNING, "CHANNELINFO: invalid MODE format ignored!" );
+
+ if( Req->argc == 3 )
+ {
+ /* Es wurde auch ein Topic mit uebermittelt */
+ ptr = Channel_Topic( chan );
+ if( ! *ptr )
+ {
+ /* OK, es ist bisher kein Topic gesetzt */
+ Channel_SetTopic( chan, Req->argv[2] );
+ IRC_WriteStrChannelPrefix( Client, chan, from, FALSE, "TOPIC %s :%s", Req->argv[0], Req->argv[2] );
+ }
+ }
+
+ /* an andere Server forwarden */
+ IRC_WriteStrServersPrefixFlag( Client, from, 'C', "CHANINFO %s %s :%s", Req->argv[0], Req->argv[1], Req->argv[2] );
+ return CONNECTED;
+} /* IRC_CHANINFO */
+
+
/* -eof- */
projects / ngircd-alex.git / blobdiff