/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001 by Alexander Barton (alex@barton.de)
+ * 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 comBase beteiligten Autoren finden Sie in der Datei AUTHORS.
- *
- * $Id: channel.c,v 1.1 2001/12/14 08:13:43 alex Exp $
- *
- * channel.c: Management der Channels
- *
- * $Log: channel.c,v $
- * Revision 1.1 2001/12/14 08:13:43 alex
- * - neues Modul begonnen :-)
+ * 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
*/
-#include <portab.h>
-#include "global.h"
+#define __channel_c__
+
-#include <imp.h>
+#include "portab.h"
+
+static char UNUSED id[] = "$Id: channel.c,v 1.38 2002/12/16 23:05:24 alex Exp $";
+
+#include "imp.h"
#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "conn.h"
+#include "client.h"
-#include <exp.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;
-GLOBAL VOID Channel_Init( VOID )
+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_Exit( VOID )
+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, " ,:\x07" );
+ 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 */
+ strcat( Chan->modes, x );
+ 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 */
+ strcat( cl2chan->modes, x );
+ 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 );
+
+ strncpy( Chan->topic, Topic, CHANNEL_TOPIC_LEN - 1 );
+ Chan->topic[CHANNEL_TOPIC_LEN - 1] = '\0';
+} /* Channel_SetTopic */
+
+
+GLOBAL VOID
+Channel_SetModes( CHANNEL *Chan, CHAR *Modes )
+{
+ assert( Chan != NULL );
+ assert( Modes != NULL );
+
+ strncpy( Chan->modes, Modes, CHANNEL_MODE_LEN - 1 );
+ Chan->topic[CHANNEL_MODE_LEN - 1] = '\0';
+} /* Channel_SetModes */
+
+
+GLOBAL VOID
+Channel_SetKey( CHANNEL *Chan, CHAR *Key )
+{
+ assert( Chan != NULL );
+ assert( Key != NULL );
+
+ strncpy( Chan->key, Key, CLIENT_PASS_LEN - 1 );
+ Chan->key[CLIENT_PASS_LEN - 1] = '\0';
+ 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, Ziel ist ein 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;
+ }
+
+ /* pruefen, ob Client in Channel schreiben darf */
+ ok = TRUE;
+ if( strchr( Channel_Modes( Chan ), 'n' ) && ( ! is_member )) ok = FALSE;
+ if( strchr( Channel_Modes( Chan ), 'm' ) && ( ! is_op ) && ( ! has_voice )) ok = FALSE;
+
+ if( ! ok ) return IRC_WriteStrClient( From, ERR_CANNOTSENDTOCHAN_MSG, Client_ID( From ), Channel_Name( Chan ));
+
+ /* Text senden */
+ 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 = malloc( sizeof( CHANNEL ));
+ if( ! c )
+ {
+ Log( LOG_EMERG, "Can't allocate memory! [New_Chan]" );
+ return NULL;
+ }
+ c->next = NULL;
+ strncpy( c->name, Name, CHANNEL_NAME_LEN - 1 );
+ 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 = 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- */
projects / ngircd-alex.git / blobdiff