411 lines
9.2 KiB
C
411 lines
9.2 KiB
C
/*
|
|
* 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.
|
|
*
|
|
* $Id: channel.c,v 1.9 2002/01/27 22:47:11 alex Exp $
|
|
*
|
|
* channel.c: Management der Channels
|
|
*
|
|
* $Log: channel.c,v $
|
|
* Revision 1.9 2002/01/27 22:47:11 alex
|
|
* - PART wird nicht mehr an den Server verschickt, von dem es empfangen wurde.
|
|
*
|
|
* Revision 1.8 2002/01/27 21:56:54 alex
|
|
* - weitere Anpassungen an Chennals, v.a. ueber Server-Links.
|
|
*
|
|
* Revision 1.7 2002/01/27 17:14:33 alex
|
|
* - diverse Aenderungen fuer Channels ueber mehrere Server.
|
|
*
|
|
* Revision 1.6 2002/01/26 18:41:55 alex
|
|
* - CHANNEL- und CL2CHAN-Strukturen in Header verlegt,
|
|
* - einige neue Funktionen (Channel_GetChannel(), Channel_FirstMember(), ...)
|
|
*
|
|
* Revision 1.5 2002/01/21 00:12:29 alex
|
|
* - begonnen, Channels zu implementieren :-)
|
|
*
|
|
* Revision 1.4 2002/01/16 22:09:07 alex
|
|
* - neue Funktion Channel_Count().
|
|
*
|
|
* Revision 1.3 2002/01/02 02:42:58 alex
|
|
* - Copyright-Texte aktualisiert.
|
|
*
|
|
* Revision 1.2 2001/12/31 02:18:51 alex
|
|
* - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
|
|
* - neuen Header "defines.h" mit (fast) allen Konstanten.
|
|
* - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
|
|
*
|
|
* Revision 1.1 2001/12/14 08:13:43 alex
|
|
* - neues Modul begonnen :-)
|
|
*/
|
|
|
|
|
|
#define __channel_c__
|
|
|
|
|
|
#include <portab.h>
|
|
#include "global.h"
|
|
|
|
#include <imp.h>
|
|
#include <assert.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "client.h"
|
|
#include "irc.h"
|
|
#include "log.h"
|
|
#include "messages.h"
|
|
|
|
#include <exp.h>
|
|
#include "channel.h"
|
|
|
|
|
|
LOCAL CHANNEL *My_Channels;
|
|
LOCAL CL2CHAN *My_Cl2Chan;
|
|
|
|
|
|
LOCAL CHANNEL *New_Chan( CHAR *Name );
|
|
LOCAL CL2CHAN *Get_Cl2Chan( CHANNEL *Chan, CLIENT *Client );
|
|
LOCAL CL2CHAN *Add_Client( CHANNEL *Chan, CLIENT *Client );
|
|
LOCAL BOOLEAN Remove_Client( CHANNEL *Chan, CLIENT *Client, CLIENT *Origin, CHAR *Reason, BOOLEAN ServerPART );
|
|
LOCAL CL2CHAN *Get_First_Cl2Chan( CLIENT *Client, CHANNEL *Chan );
|
|
LOCAL CL2CHAN *Get_Next_Cl2Chan( CL2CHAN *Start, CLIENT *Client, CHANNEL *Chan );
|
|
LOCAL BOOLEAN Delete_Channel( CHANNEL *Chan );
|
|
|
|
|
|
GLOBAL VOID Channel_Init( VOID )
|
|
{
|
|
My_Channels = NULL;
|
|
My_Cl2Chan = NULL;
|
|
} /* Channel_Init */
|
|
|
|
|
|
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(( Name[0] != '#' ) || ( strlen( Name ) >= CHANNEL_NAME_LEN ))
|
|
{
|
|
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 = New_Chan( Name );
|
|
if( ! chan ) return FALSE;
|
|
|
|
/* Verketten */
|
|
chan->next = My_Channels;
|
|
My_Channels = chan;
|
|
}
|
|
|
|
/* 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 );
|
|
|
|
/* 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( chan, Client, Origin, Reason, TRUE )) return FALSE;
|
|
else return TRUE;
|
|
} /* Channel_Part */
|
|
|
|
|
|
GLOBAL VOID Channel_RemoveClient( CLIENT *Client, CHAR *Reason )
|
|
{
|
|
CHANNEL *c, *next_c;
|
|
|
|
assert( Client != NULL );
|
|
|
|
c = My_Channels;
|
|
while( c )
|
|
{
|
|
next_c = c->next;
|
|
Remove_Client( c, Client, Client_ThisServer( ), Reason, FALSE );
|
|
c = next_c;
|
|
}
|
|
} /* Channel_RemoveClient */
|
|
|
|
|
|
GLOBAL INT Channel_Count( VOID )
|
|
{
|
|
CHANNEL *c;
|
|
INT count;
|
|
|
|
count = 0;
|
|
c = My_Channels;
|
|
while( c )
|
|
{
|
|
count++;
|
|
c = c->next;
|
|
}
|
|
return count;
|
|
} /* Channel_Count */
|
|
|
|
|
|
GLOBAL CHANNEL *Channel_Search( CHAR *Name )
|
|
{
|
|
/* Channel-Struktur suchen */
|
|
|
|
CHANNEL *c;
|
|
|
|
assert( Name != NULL );
|
|
c = My_Channels;
|
|
while( c )
|
|
{
|
|
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_IsMember */
|
|
|
|
|
|
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 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 */
|
|
|
|
|
|
LOCAL CHANNEL *New_Chan( CHAR *Name )
|
|
{
|
|
/* Neue Channel-Struktur anlegen */
|
|
|
|
CHANNEL *c;
|
|
|
|
assert( Name != NULL );
|
|
|
|
c = malloc( sizeof( CHANNEL ));
|
|
if( ! c )
|
|
{
|
|
Log( LOG_EMERG, "Can't allocate memory!" );
|
|
return NULL;
|
|
}
|
|
c->next = NULL;
|
|
strncpy( c->name, Name, CHANNEL_NAME_LEN );
|
|
c->name[CHANNEL_NAME_LEN - 1] = '\0';
|
|
strcpy( c->modes, "" );
|
|
|
|
Log( LOG_DEBUG, "Created new channel structure for \"%s\".", Name );
|
|
|
|
return c;
|
|
} /* New_Chan */
|
|
|
|
|
|
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 );
|
|
|
|
cl2chan = malloc( sizeof( CL2CHAN ));
|
|
if( ! cl2chan )
|
|
{
|
|
Log( LOG_EMERG, "Can't allocate memory!" );
|
|
return NULL;
|
|
}
|
|
cl2chan->channel = Chan;
|
|
cl2chan->client = Client;
|
|
|
|
/* 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( CHANNEL *Chan, CLIENT *Client, CLIENT *Origin, CHAR *Reason, BOOLEAN ServerPART )
|
|
{
|
|
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 );
|
|
|
|
if( ServerPART ) 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: loeschen */
|
|
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 );
|
|
|
|
/* Neu verketten und freigeben */
|
|
if( last_chan ) last_chan->next = chan->next;
|
|
else My_Channels = chan->next;
|
|
free( chan );
|
|
|
|
return TRUE;
|
|
} /* Delete_Channel */
|
|
|
|
|
|
/* -eof- */
|