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ngircd-tor/src/ngircd/channel.c

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/*
* ngIRCd -- The Next Generation IRC Daemon
* Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
*
* 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.
*
* Channel management
*/
#define __channel_c__
#include "portab.h"
static char UNUSED id[] = "$Id: channel.c,v 1.45 2004/03/11 22:16:31 alex Exp $";
#include "imp.h"
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include "conn-func.h"
#include "client.h"
#include "exp.h"
#include "channel.h"
#include "imp.h"
#include "irc-write.h"
#include "resolve.h"
#include "conf.h"
#include "hash.h"
#include "lists.h"
#include "log.h"
#include "messages.h"
#include "exp.h"
#define REMOVE_PART 0
#define REMOVE_QUIT 1
#define REMOVE_KICK 2
LOCAL CHANNEL *My_Channels;
LOCAL CL2CHAN *My_Cl2Chan;
LOCAL CL2CHAN *Get_Cl2Chan PARAMS(( CHANNEL *Chan, CLIENT *Client ));
LOCAL CL2CHAN *Add_Client PARAMS(( CHANNEL *Chan, CLIENT *Client ));
LOCAL BOOLEAN Remove_Client PARAMS(( INT Type, CHANNEL *Chan, CLIENT *Client, CLIENT *Origin, CHAR *Reason, BOOLEAN InformServer ));
LOCAL CL2CHAN *Get_First_Cl2Chan PARAMS(( CLIENT *Client, CHANNEL *Chan ));
LOCAL CL2CHAN *Get_Next_Cl2Chan PARAMS(( CL2CHAN *Start, CLIENT *Client, CHANNEL *Chan ));
LOCAL BOOLEAN Delete_Channel PARAMS(( CHANNEL *Chan ));
GLOBAL VOID
Channel_Init( VOID )
{
My_Channels = NULL;
My_Cl2Chan = NULL;
} /* Channel_Init */
GLOBAL VOID
Channel_InitPredefined( VOID )
{
/* Vordefinierte persistente Channels erzeugen */
CHANNEL *chan;
CHAR *c;
INT i;
for( i = 0; i < Conf_Channel_Count; i++ )
{
/* Ist ein Name konfiguriert? */
if( ! Conf_Channel[i].name[0] ) continue;
/* Gueltiger Channel-Name? */
if( ! Channel_IsValidName( Conf_Channel[i].name ))
{
Log( LOG_ERR, "Can't create pre-defined channel: invalid name: \"%s\"!", Conf_Channel[i].name );
continue;
}
/* Gibt es den Channel bereits? */
chan = Channel_Search( Conf_Channel[i].name );
if( chan )
{
Log( LOG_INFO, "Can't create pre-defined channel \"%s\": name already in use.", Conf_Channel[i].name );
continue;
}
/* Channel anlegen */
chan = Channel_Create( Conf_Channel[i].name );
if( chan )
{
Channel_ModeAdd( chan, 'P' );
Channel_SetTopic( chan, Conf_Channel[i].topic );
c = Conf_Channel[i].modes;
while( *c ) Channel_ModeAdd( chan, *c++ );
Log( LOG_INFO, "Created pre-defined channel \"%s\".", Conf_Channel[i].name );
}
else Log( LOG_ERR, "Can't create pre-defined channel \"%s\"!", Conf_Channel[i].name );
}
} /* Channel_InitPredefined */
GLOBAL VOID
Channel_Exit( VOID )
{
CHANNEL *c, *c_next;
CL2CHAN *cl2chan, *cl2chan_next;
/* Channel-Strukturen freigeben */
c = My_Channels;
while( c )
{
c_next = c->next;
free( c );
c = c_next;
}
/* Channel-Zuordnungstabelle freigeben */
cl2chan = My_Cl2Chan;
while( c )
{
cl2chan_next = cl2chan->next;
free( cl2chan );
cl2chan = cl2chan_next;
}
} /* Channel_Exit */
GLOBAL BOOLEAN
Channel_Join( CLIENT *Client, CHAR *Name )
{
CHANNEL *chan;
assert( Client != NULL );
assert( Name != NULL );
/* Valider Channel-Name? */
if( ! Channel_IsValidName( Name ))
{
IRC_WriteStrClient( Client, ERR_NOSUCHCHANNEL_MSG, Client_ID( Client ), Name );
return FALSE;
}
/* Channel suchen */
chan = Channel_Search( Name );
if( chan )
{
/* Ist der Client bereits Mitglied? */
if( Get_Cl2Chan( chan, Client )) return FALSE;
}
else
{
/* Gibt es noch nicht? Dann neu anlegen: */
chan = Channel_Create( Name );
if( ! chan ) return FALSE;
}
/* User dem Channel hinzufuegen */
if( ! Add_Client( chan, Client )) return FALSE;
else return TRUE;
} /* Channel_Join */
GLOBAL BOOLEAN
Channel_Part( CLIENT *Client, CLIENT *Origin, CHAR *Name, CHAR *Reason )
{
CHANNEL *chan;
assert( Client != NULL );
assert( Name != NULL );
assert( Reason != NULL );
/* Channel suchen */
chan = Channel_Search( Name );
if(( ! chan ) || ( ! Get_Cl2Chan( chan, Client )))
{
IRC_WriteStrClient( Client, ERR_NOSUCHCHANNEL_MSG, Client_ID( Client ), Name );
return FALSE;
}
/* User aus Channel entfernen */
if( ! Remove_Client( REMOVE_PART, chan, Client, Origin, Reason, TRUE )) return FALSE;
else return TRUE;
} /* Channel_Part */
GLOBAL VOID
Channel_Kick( CLIENT *Client, CLIENT *Origin, CHAR *Name, CHAR *Reason )
{
CHANNEL *chan;
assert( Client != NULL );
assert( Origin != NULL );
assert( Name != NULL );
assert( Reason != NULL );
/* Channel suchen */
chan = Channel_Search( Name );
if( ! chan )
{
IRC_WriteStrClient( Origin, ERR_NOSUCHCHANNEL_MSG, Client_ID( Origin ), Name );
return;
}
/* Ist der User Mitglied in dem Channel? */
if( ! Channel_IsMemberOf( chan, Origin ))
{
IRC_WriteStrClient( Origin, ERR_NOTONCHANNEL_MSG, Client_ID( Origin ), Name );
return;
}
/* Ist der User Channel-Operator? */
if( ! strchr( Channel_UserModes( chan, Origin ), 'o' ))
{
IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Name);
return;
}
/* Ist der Ziel-User Mitglied im Channel? */
if( ! Channel_IsMemberOf( chan, Client ))
{
IRC_WriteStrClient( Origin, ERR_USERNOTINCHANNEL_MSG, Client_ID( Origin ), Client_ID( Client ), Name );
return;
}
Remove_Client( REMOVE_KICK, chan, Client, Origin, Reason, TRUE );
} /* Channel_Kick */
GLOBAL VOID
Channel_Quit( CLIENT *Client, CHAR *Reason )
{
CHANNEL *c, *next_c;
assert( Client != NULL );
assert( Reason != NULL );
c = My_Channels;
while( c )
{
next_c = c->next;
Remove_Client( REMOVE_QUIT, c, Client, Client, Reason, FALSE );
c = next_c;
}
} /* Channel_Quit */
GLOBAL LONG
Channel_Count( VOID )
{
CHANNEL *c;
LONG count;
count = 0;
c = My_Channels;
while( c )
{
count++;
c = c->next;
}
return count;
} /* Channel_Count */
GLOBAL LONG
Channel_MemberCount( CHANNEL *Chan )
{
CL2CHAN *cl2chan;
LONG count;
assert( Chan != NULL );
count = 0;
cl2chan = My_Cl2Chan;
while( cl2chan )
{
if( cl2chan->channel == Chan ) count++;
cl2chan = cl2chan->next;
}
return count;
} /* Channel_MemberCount */
GLOBAL INT
Channel_CountForUser( CLIENT *Client )
{
/* Count number of channels a user is member of. */
CL2CHAN *cl2chan;
INT count;
assert( Client != NULL );
count = 0;
cl2chan = My_Cl2Chan;
while( cl2chan )
{
if( cl2chan->client == Client ) count++;
cl2chan = cl2chan->next;
}
return count;
} /* Channel_CountForUser */
GLOBAL INT
Channel_PCount( VOID )
{
/* Count the number of persistent (mode 'P') channels */
CHANNEL *chan;
INT count;
count = 0;
chan = My_Channels;
while( chan )
{
if( strchr( chan->modes, 'P' )) count++;
chan = chan->next;
}
return count;
} /* Channel_PCount */
GLOBAL CHAR *
Channel_Name( CHANNEL *Chan )
{
assert( Chan != NULL );
return Chan->name;
} /* Channel_Name */
GLOBAL CHAR *
Channel_Modes( CHANNEL *Chan )
{
assert( Chan != NULL );
return Chan->modes;
} /* Channel_Modes */
GLOBAL CHAR *
Channel_Key( CHANNEL *Chan )
{
assert( Chan != NULL );
return Chan->key;
} /* Channel_Key */
GLOBAL LONG
Channel_MaxUsers( CHANNEL *Chan )
{
assert( Chan != NULL );
return Chan->maxusers;
} /* Channel_MaxUsers */
GLOBAL CHANNEL *
Channel_First( VOID )
{
return My_Channels;
} /* Channel_First */
GLOBAL CHANNEL *
Channel_Next( CHANNEL *Chan )
{
assert( Chan != NULL );
return Chan->next;
} /* Channel_Next */
GLOBAL CHANNEL *
Channel_Search( CHAR *Name )
{
/* Channel-Struktur suchen */
CHANNEL *c;
UINT32 search_hash;
assert( Name != NULL );
search_hash = Hash( Name );
c = My_Channels;
while( c )
{
if( search_hash == c->hash )
{
/* lt. Hash-Wert: Treffer! */
if( strcasecmp( Name, c->name ) == 0 ) return c;
}
c = c->next;
}
return NULL;
} /* Channel_Search */
GLOBAL CL2CHAN *
Channel_FirstMember( CHANNEL *Chan )
{
assert( Chan != NULL );
return Get_First_Cl2Chan( NULL, Chan );
} /* Channel_FirstMember */
GLOBAL CL2CHAN *
Channel_NextMember( CHANNEL *Chan, CL2CHAN *Cl2Chan )
{
assert( Chan != NULL );
assert( Cl2Chan != NULL );
return Get_Next_Cl2Chan( Cl2Chan->next, NULL, Chan );
} /* Channel_NextMember */
GLOBAL CL2CHAN *
Channel_FirstChannelOf( CLIENT *Client )
{
assert( Client != NULL );
return Get_First_Cl2Chan( Client, NULL );
} /* Channel_FirstChannelOf */
GLOBAL CL2CHAN *
Channel_NextChannelOf( CLIENT *Client, CL2CHAN *Cl2Chan )
{
assert( Client != NULL );
assert( Cl2Chan != NULL );
return Get_Next_Cl2Chan( Cl2Chan->next, Client, NULL );
} /* Channel_NextChannelOf */
GLOBAL CLIENT *
Channel_GetClient( CL2CHAN *Cl2Chan )
{
assert( Cl2Chan != NULL );
return Cl2Chan->client;
} /* Channel_GetClient */
GLOBAL CHANNEL *
Channel_GetChannel( CL2CHAN *Cl2Chan )
{
assert( Cl2Chan != NULL );
return Cl2Chan->channel;
} /* Channel_GetChannel */
GLOBAL BOOLEAN
Channel_IsValidName( CHAR *Name )
{
/* Pruefen, ob Name als Channelname gueltig */
CHAR *ptr, badchars[10];
assert( Name != NULL );
if(( Name[0] != '#' ) || ( strlen( Name ) >= CHANNEL_NAME_LEN )) return FALSE;
ptr = Name;
strcpy( badchars, " ,:\007" );
while( *ptr )
{
if( strchr( badchars, *ptr )) return FALSE;
ptr++;
}
return TRUE;
} /* Channel_IsValidName */
GLOBAL BOOLEAN
Channel_ModeAdd( CHANNEL *Chan, CHAR Mode )
{
/* Mode soll gesetzt werden. TRUE wird geliefert, wenn der
* Mode neu gesetzt wurde, FALSE, wenn der Channel den Mode
* bereits hatte. */
CHAR x[2];
assert( Chan != NULL );
x[0] = Mode; x[1] = '\0';
if( ! strchr( Chan->modes, x[0] ))
{
/* Client hat den Mode noch nicht -> setzen */
strlcat( Chan->modes, x, sizeof( Chan->modes ));
return TRUE;
}
else return FALSE;
} /* Channel_ModeAdd */
GLOBAL BOOLEAN
Channel_ModeDel( CHANNEL *Chan, CHAR Mode )
{
/* Mode soll geloescht werden. TRUE wird geliefert, wenn der
* Mode entfernt wurde, FALSE, wenn der Channel den Mode
* ueberhaupt nicht hatte. */
CHAR x[2], *p;
assert( Chan != NULL );
x[0] = Mode; x[1] = '\0';
p = strchr( Chan->modes, x[0] );
if( ! p ) return FALSE;
/* Client hat den Mode -> loeschen */
while( *p )
{
*p = *(p + 1);
p++;
}
return TRUE;
} /* Channel_ModeDel */
GLOBAL BOOLEAN
Channel_UserModeAdd( CHANNEL *Chan, CLIENT *Client, CHAR Mode )
{
/* Channel-User-Mode soll gesetzt werden. TRUE wird geliefert,
* wenn der Mode neu gesetzt wurde, FALSE, wenn der User den
* Channel-Mode bereits hatte. */
CL2CHAN *cl2chan;
CHAR x[2];
assert( Chan != NULL );
assert( Client != NULL );
cl2chan = Get_Cl2Chan( Chan, Client );
assert( cl2chan != NULL );
x[0] = Mode; x[1] = '\0';
if( ! strchr( cl2chan->modes, x[0] ))
{
/* Client hat den Mode noch nicht -> setzen */
strlcat( cl2chan->modes, x, sizeof( cl2chan->modes ));
return TRUE;
}
else return FALSE;
} /* Channel_UserModeAdd */
GLOBAL BOOLEAN
Channel_UserModeDel( CHANNEL *Chan, CLIENT *Client, CHAR Mode )
{
/* Channel-User-Mode soll geloescht werden. TRUE wird geliefert,
* wenn der Mode entfernt wurde, FALSE, wenn der User den Channel-Mode
* ueberhaupt nicht hatte. */
CL2CHAN *cl2chan;
CHAR x[2], *p;
assert( Chan != NULL );
assert( Client != NULL );
cl2chan = Get_Cl2Chan( Chan, Client );
assert( cl2chan != NULL );
x[0] = Mode; x[1] = '\0';
p = strchr( cl2chan->modes, x[0] );
if( ! p ) return FALSE;
/* Client hat den Mode -> loeschen */
while( *p )
{
*p = *(p + 1);
p++;
}
return TRUE;
} /* Channel_UserModeDel */
GLOBAL CHAR *
Channel_UserModes( CHANNEL *Chan, CLIENT *Client )
{
/* Channel-Modes eines Users liefern */
CL2CHAN *cl2chan;
assert( Chan != NULL );
assert( Client != NULL );
cl2chan = Get_Cl2Chan( Chan, Client );
assert( cl2chan != NULL );
return cl2chan->modes;
} /* Channel_UserModes */
GLOBAL BOOLEAN
Channel_IsMemberOf( CHANNEL *Chan, CLIENT *Client )
{
/* Pruefen, ob Client Mitglied in Channel ist */
assert( Chan != NULL );
assert( Client != NULL );
if( Get_Cl2Chan( Chan, Client )) return TRUE;
else return FALSE;
} /* Channel_IsMemberOf */
GLOBAL CHAR *
Channel_Topic( CHANNEL *Chan )
{
assert( Chan != NULL );
return Chan->topic;
} /* Channel_Topic */
GLOBAL VOID
Channel_SetTopic( CHANNEL *Chan, CHAR *Topic )
{
assert( Chan != NULL );
assert( Topic != NULL );
strlcpy( Chan->topic, Topic, sizeof( Chan->topic ));
} /* Channel_SetTopic */
GLOBAL VOID
Channel_SetModes( CHANNEL *Chan, CHAR *Modes )
{
assert( Chan != NULL );
assert( Modes != NULL );
strlcpy( Chan->modes, Modes, sizeof( Chan->modes ));
} /* Channel_SetModes */
GLOBAL VOID
Channel_SetKey( CHANNEL *Chan, CHAR *Key )
{
assert( Chan != NULL );
assert( Key != NULL );
strlcpy( Chan->key, Key, sizeof( Chan->key ));
Log( LOG_DEBUG, "Channel %s: Key is now \"%s\".", Chan->name, Chan->key );
} /* Channel_SetKey */
GLOBAL VOID
Channel_SetMaxUsers( CHANNEL *Chan, LONG Count )
{
assert( Chan != NULL );
Chan->maxusers = Count;
Log( LOG_DEBUG, "Channel %s: Member limit is now %ld.", Chan->name, Chan->maxusers );
} /* Channel_SetMaxUsers */
GLOBAL BOOLEAN
Channel_Write( CHANNEL *Chan, CLIENT *From, CLIENT *Client, CHAR *Text )
{
BOOLEAN is_member, has_voice, is_op, ok;
/* Okay, target is a channel */
is_member = has_voice = is_op = FALSE;
if( Channel_IsMemberOf( Chan, From ))
{
is_member = TRUE;
if( strchr( Channel_UserModes( Chan, From ), 'v' )) has_voice = TRUE;
if( strchr( Channel_UserModes( Chan, From ), 'o' )) is_op = TRUE;
}
/* Check weather client is allowed to write to channel */
ok = TRUE;
if( strchr( Channel_Modes( Chan ), 'n' ) && ( ! is_member )) ok = FALSE;
if( strchr( Channel_Modes( Chan ), 'm' ) && ( ! is_op ) && ( ! has_voice )) ok = FALSE;
/* Is the client banned? */
if( Lists_CheckBanned( From, Chan ))
{
/* Client is banned, bus is he channel operator or has voice? */
if(( ! has_voice ) && ( ! is_op )) ok = FALSE;
}
if( ! ok ) return IRC_WriteStrClient( From, ERR_CANNOTSENDTOCHAN_MSG, Client_ID( From ), Channel_Name( Chan ));
/* Send text */
if( Client_Conn( From ) > NONE ) Conn_UpdateIdle( Client_Conn( From ));
return IRC_WriteStrChannelPrefix( Client, Chan, From, TRUE, "PRIVMSG %s :%s", Channel_Name( Chan ), Text );
} /* Channel_Write */
GLOBAL CHANNEL *
Channel_Create( CHAR *Name )
{
/* Neue Channel-Struktur anlegen */
CHANNEL *c;
assert( Name != NULL );
c = (CHANNEL *)malloc( sizeof( CHANNEL ));
if( ! c )
{
Log( LOG_EMERG, "Can't allocate memory! [New_Chan]" );
return NULL;
}
c->next = NULL;
strlcpy( c->name, Name, sizeof( c->name ));
c->name[CHANNEL_NAME_LEN - 1] = '\0';
strcpy( c->modes, "" );
strcpy( c->topic, "" );
c->hash = Hash( c->name );
strcpy( c->key, "" );
c->maxusers = 0;
/* Verketten */
c->next = My_Channels;
My_Channels = c;
Log( LOG_DEBUG, "Created new channel structure for \"%s\".", Name );
return c;
} /* Channel_Create */
LOCAL CL2CHAN *
Get_Cl2Chan( CHANNEL *Chan, CLIENT *Client )
{
CL2CHAN *cl2chan;
assert( Chan != NULL );
assert( Client != NULL );
cl2chan = My_Cl2Chan;
while( cl2chan )
{
if(( cl2chan->channel == Chan ) && ( cl2chan->client == Client )) return cl2chan;
cl2chan = cl2chan->next;
}
return NULL;
} /* Get_Cl2Chan */
LOCAL CL2CHAN *
Add_Client( CHANNEL *Chan, CLIENT *Client )
{
CL2CHAN *cl2chan;
assert( Chan != NULL );
assert( Client != NULL );
/* neue CL2CHAN-Struktur anlegen */
cl2chan = (CL2CHAN *)malloc( sizeof( CL2CHAN ));
if( ! cl2chan )
{
Log( LOG_EMERG, "Can't allocate memory! [Add_Client]" );
return NULL;
}
cl2chan->channel = Chan;
cl2chan->client = Client;
strcpy( cl2chan->modes, "" );
/* Verketten */
cl2chan->next = My_Cl2Chan;
My_Cl2Chan = cl2chan;
Log( LOG_DEBUG, "User \"%s\" joined channel \"%s\".", Client_Mask( Client ), Chan->name );
return cl2chan;
} /* Add_Client */
LOCAL BOOLEAN
Remove_Client( INT Type, CHANNEL *Chan, CLIENT *Client, CLIENT *Origin, CHAR *Reason, BOOLEAN InformServer )
{
CL2CHAN *cl2chan, *last_cl2chan;
CHANNEL *c;
assert( Chan != NULL );
assert( Client != NULL );
assert( Origin != NULL );
assert( Reason != NULL );
last_cl2chan = NULL;
cl2chan = My_Cl2Chan;
while( cl2chan )
{
if(( cl2chan->channel == Chan ) && ( cl2chan->client == Client )) break;
last_cl2chan = cl2chan;
cl2chan = cl2chan->next;
}
if( ! cl2chan ) return FALSE;
c = cl2chan->channel;
assert( c != NULL );
/* Aus Verkettung loesen und freigeben */
if( last_cl2chan ) last_cl2chan->next = cl2chan->next;
else My_Cl2Chan = cl2chan->next;
free( cl2chan );
switch( Type )
{
case REMOVE_QUIT:
/* QUIT: andere Server wurden bereits informiert, vgl. Client_Destroy();
* hier also "nur" noch alle User in betroffenen Channeln infomieren */
assert( InformServer == FALSE );
IRC_WriteStrChannelPrefix( Origin, c, Origin, FALSE, "QUIT :%s", Reason );
Log( LOG_DEBUG, "User \"%s\" left channel \"%s\" (%s).", Client_Mask( Client ), c->name, Reason );
break;
case REMOVE_KICK:
/* User wurde geKICKed: ggf. andere Server sowie alle betroffenen User
* im entsprechenden Channel informieren */
if( InformServer ) IRC_WriteStrServersPrefix( Client_NextHop( Origin ), Origin, "KICK %s %s :%s", c->name, Client_ID( Client ), Reason );
IRC_WriteStrChannelPrefix( Client, c, Origin, FALSE, "KICK %s %s :%s", c->name, Client_ID( Client ), Reason );
if(( Client_Conn( Client ) > NONE ) && ( Client_Type( Client ) == CLIENT_USER )) IRC_WriteStrClientPrefix( Client, Origin, "KICK %s %s :%s", c->name, Client_ID( Client ), Reason );
Log( LOG_DEBUG, "User \"%s\" has been kicked of \"%s\" by \"%s\": %s.", Client_Mask( Client ), c->name, Client_ID( Origin ), Reason );
break;
default:
/* PART */
if( InformServer ) IRC_WriteStrServersPrefix( Origin, Client, "PART %s :%s", c->name, Reason );
IRC_WriteStrChannelPrefix( Origin, c, Client, FALSE, "PART %s :%s", c->name, Reason );
if(( Client_Conn( Origin ) > NONE ) && ( Client_Type( Origin ) == CLIENT_USER )) IRC_WriteStrClientPrefix( Origin, Client, "PART %s :%s", c->name, Reason );
Log( LOG_DEBUG, "User \"%s\" left channel \"%s\" (%s).", Client_Mask( Client ), c->name, Reason );
}
/* Wenn Channel nun leer und nicht pre-defined: loeschen */
if( ! strchr( Channel_Modes( Chan ), 'P' ))
{
if( ! Get_First_Cl2Chan( NULL, Chan )) Delete_Channel( Chan );
}
return TRUE;
} /* Remove_Client */
LOCAL CL2CHAN *
Get_First_Cl2Chan( CLIENT *Client, CHANNEL *Chan )
{
return Get_Next_Cl2Chan( My_Cl2Chan, Client, Chan );
} /* Get_First_Cl2Chan */
LOCAL CL2CHAN *
Get_Next_Cl2Chan( CL2CHAN *Start, CLIENT *Client, CHANNEL *Channel )
{
CL2CHAN *cl2chan;
assert( Client != NULL || Channel != NULL );
cl2chan = Start;
while( cl2chan )
{
if(( Client ) && ( cl2chan->client == Client )) return cl2chan;
if(( Channel ) && ( cl2chan->channel == Channel )) return cl2chan;
cl2chan = cl2chan->next;
}
return NULL;
} /* Get_Next_Cl2Chan */
LOCAL BOOLEAN
Delete_Channel( CHANNEL *Chan )
{
/* Channel-Struktur loeschen */
CHANNEL *chan, *last_chan;
last_chan = NULL;
chan = My_Channels;
while( chan )
{
if( chan == Chan ) break;
last_chan = chan;
chan = chan->next;
}
if( ! chan ) return FALSE;
Log( LOG_DEBUG, "Freed channel structure for \"%s\".", Chan->name );
/* Invite- und Ban-Lists aufraeumen */
Lists_DeleteChannel( chan );
/* Neu verketten und freigeben */
if( last_chan ) last_chan->next = chan->next;
else My_Channels = chan->next;
free( chan );
return TRUE;
} /* Delete_Channel */
/* -eof- */
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