* 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: lists.c,v 1.1 2002/05/27 11:22:39 alex Exp $
- *
- * lists.c: Verwaltung der "IRC-Listen": Ban, Invite, ...
+ * Management of IRC lists: ban, invite, ...
*/
#include "portab.h"
+static char UNUSED id[] = "$Id: lists.c,v 1.10 2002/12/12 12:24:18 alex Exp $";
+
#include "imp.h"
#include <assert.h>
+#include "defines.h"
#include "conn.h"
#include "client.h"
#include "channel.h"
+#include "log.h"
+#include "match.h"
+#include "messages.h"
+#include "irc-write.h"
+
+#include <stdlib.h>
+#include <string.h>
#include "exp.h"
#include "lists.h"
+#define MASK_LEN 2*CLIENT_HOST_LEN
+
+
typedef struct _C2C
{
struct _C2C *next;
- CLIENT *client;
+ CHAR mask[MASK_LEN];
CHANNEL *channel;
+ BOOLEAN onlyonce;
} C2C;
LOCAL C2C *My_Invites, *My_Bans;
-LOCAL C2C *New_C2C PARAMS(( CLIENT *Client, CHANNEL *Chan ));
+LOCAL C2C *New_C2C PARAMS(( CHAR *Mask, CHANNEL *Chan, BOOLEAN OnlyOnce ));
+
+LOCAL BOOLEAN Check_List PARAMS(( C2C **Cl2Chan, CLIENT *Client, CHANNEL *Chan ));
+LOCAL BOOLEAN Already_Registered PARAMS(( C2C *Cl2Chan, CHAR *Mask, CHANNEL *Chan ));
+
GLOBAL VOID
Lists_Exit( VOID )
{
/* Modul abmelden */
+
+ C2C *c2c, *next;
+
+ /* Invite-Lists freigeben */
+ c2c = My_Invites;
+ while( c2c )
+ {
+ next = c2c->next;
+ free( c2c );
+ c2c = next;
+ }
+
+ /* Ban-Lists freigeben */
+ c2c = My_Bans;
+ while( c2c )
+ {
+ next = c2c->next;
+ free( c2c );
+ c2c = next;
+ }
} /* Lists_Exit */
GLOBAL BOOLEAN
Lists_CheckInvited( CLIENT *Client, CHANNEL *Chan )
{
- assert( Client != NULL );
+ return Check_List( &My_Invites, Client, Chan );
+} /* Lists_CheckInvited */
+
+
+GLOBAL BOOLEAN
+Lists_AddInvited( CLIENT *From, CHAR *Mask, CHANNEL *Chan, BOOLEAN OnlyOnce )
+{
+ C2C *c2c;
+
+ assert( Mask != NULL );
assert( Chan != NULL );
- return FALSE;
-} /* Lists_CheckInvited */
+ if( Already_Registered( My_Invites, Mask, Chan ))
+ {
+ /* Eintrag ist bereits vorhanden */
+ IRC_WriteStrClient( From, RPL_INVITELIST_MSG, Client_ID( From ), Channel_Name( Chan ), Mask );
+ return FALSE;
+ }
+
+ c2c = New_C2C( Mask, Chan, OnlyOnce );
+ if( ! c2c )
+ {
+ Log( LOG_ERR, "Can't add new invite list entry!" );
+ return FALSE;
+ }
+
+ /* verketten */
+ c2c->next = My_Invites;
+ My_Invites = c2c;
+
+ Log( LOG_DEBUG, "Added \"%s\" to invite list for \"%s\".", Mask, Channel_Name( Chan ));
+ return TRUE;
+} /* Lists_AddInvited */
+
+
+GLOBAL VOID
+Lists_DelInvited( CHAR *Mask, CHANNEL *Chan )
+{
+ C2C *c2c, *last, *next;
+
+ assert( Mask != NULL );
+ assert( Chan != NULL );
+
+ last = NULL;
+ c2c = My_Invites;
+ while( c2c )
+ {
+ next = c2c->next;
+ if(( c2c->channel == Chan ) && ( strcasecmp( c2c->mask, Mask ) == 0 ))
+ {
+ /* dieser Eintrag muss geloescht werden */
+ Log( LOG_DEBUG, "Deleted \"%s\" from invite list for \"%s\"." , c2c->mask, Channel_Name( Chan ));
+ if( last ) last->next = next;
+ else My_Invites = next;
+ free( c2c );
+ }
+ else last = c2c;
+ c2c = next;
+ }
+} /* Lists_DelInvited */
GLOBAL BOOLEAN
-Lists_CheckBanned( CLIENT *Client, CHANNEL *Chan )
+Lists_ShowInvites( CLIENT *Client, CHANNEL *Channel )
{
+ C2C *c2c;
+
assert( Client != NULL );
- assert( Chan != NULL );
+ assert( Channel != NULL );
- return FALSE;
+ c2c = My_Invites;
+ while( c2c )
+ {
+ if( c2c->channel == Channel )
+ {
+ /* Eintrag fuer Channel gefunden; ausgeben: */
+ if( ! IRC_WriteStrClient( Client, RPL_INVITELIST_MSG, Client_ID( Client ), Channel_Name( Channel ), c2c->mask )) return DISCONNECTED;
+ }
+ c2c = c2c->next;
+ }
+ return IRC_WriteStrClient( Client, RPL_ENDOFINVITELIST_MSG, Client_ID( Client ), Channel_Name( Channel ));
+} /* Lists_ShowInvites */
+
+
+GLOBAL BOOLEAN
+Lists_CheckBanned( CLIENT *Client, CHANNEL *Chan )
+{
+ return Check_List( &My_Bans, Client, Chan );
} /* Lists_CheckBanned */
-LOCAL C2C *
-New_C2C( CLIENT *Client, CHANNEL *Chan )
+GLOBAL BOOLEAN
+Lists_AddBanned( CLIENT *From, CHAR *Mask, CHANNEL *Chan )
+{
+ C2C *c2c;
+
+ assert( Mask != NULL );
+ assert( Chan != NULL );
+
+ if( Already_Registered( My_Bans, Mask, Chan ))
+ {
+ /* Eintrag ist bereits vorhanden */
+ IRC_WriteStrClient( From, RPL_BANLIST_MSG, Client_ID( From ), Channel_Name( Chan ), Mask );
+ return FALSE;
+ }
+
+ c2c = New_C2C( Mask, Chan, FALSE );
+ if( ! c2c )
+ {
+ Log( LOG_ERR, "Can't add new ban list entry!" );
+ return FALSE;
+ }
+
+ /* verketten */
+ c2c->next = My_Bans;
+ My_Bans = c2c;
+
+ Log( LOG_DEBUG, "Added \"%s\" to ban list for \"%s\".", Mask, Channel_Name( Chan ));
+ return TRUE;
+} /* Lists_AddBanned */
+
+
+GLOBAL VOID
+Lists_DelBanned( CHAR *Mask, CHANNEL *Chan )
{
+ C2C *c2c, *last, *next;
+
+ assert( Mask != NULL );
+ assert( Chan != NULL );
+
+ last = NULL;
+ c2c = My_Bans;
+ while( c2c )
+ {
+ next = c2c->next;
+ if(( c2c->channel == Chan ) && ( strcasecmp( c2c->mask, Mask ) == 0 ))
+ {
+ /* dieser Eintrag muss geloescht werden */
+ Log( LOG_DEBUG, "Deleted \"%s\" from ban list for \"%s\"." , c2c->mask, Channel_Name( Chan ));
+ if( last ) last->next = next;
+ else My_Bans = next;
+ free( c2c );
+ }
+ else last = c2c;
+ c2c = next;
+ }
+} /* Lists_DelBanned */
+
+
+GLOBAL BOOLEAN
+Lists_ShowBans( CLIENT *Client, CHANNEL *Channel )
+{
+ C2C *c2c;
+
assert( Client != NULL );
+ assert( Channel != NULL );
+
+ c2c = My_Bans;
+ while( c2c )
+ {
+ if( c2c->channel == Channel )
+ {
+ /* Eintrag fuer Channel gefunden; ausgeben: */
+ if( ! IRC_WriteStrClient( Client, RPL_BANLIST_MSG, Client_ID( Client ), Channel_Name( Channel ), c2c->mask )) return DISCONNECTED;
+ }
+ c2c = c2c->next;
+ }
+ return IRC_WriteStrClient( Client, RPL_ENDOFBANLIST_MSG, Client_ID( Client ), Channel_Name( Channel ));
+} /* Lists_ShowBans */
+
+
+GLOBAL VOID
+Lists_DeleteChannel( CHANNEL *Chan )
+{
+ /* Channel wurde geloescht, Invite- und Ban-Lists aufraeumen */
+
+ C2C *c2c, *last, *next;
+
+ /* Invite-List */
+ last = NULL;
+ c2c = My_Invites;
+ while( c2c )
+ {
+ next = c2c->next;
+ if( c2c->channel == Chan )
+ {
+ /* dieser Eintrag muss geloescht werden */
+ Log( LOG_DEBUG, "Deleted \"%s\" from invite list for \"%s\"." , c2c->mask, Channel_Name( Chan ));
+ if( last ) last->next = next;
+ else My_Invites = next;
+ free( c2c );
+ }
+ else last = c2c;
+ c2c = next;
+ }
+
+ /* Ban-List */
+ last = NULL;
+ c2c = My_Bans;
+ while( c2c )
+ {
+ next = c2c->next;
+ if( c2c->channel == Chan )
+ {
+ /* dieser Eintrag muss geloescht werden */
+ Log( LOG_DEBUG, "Deleted \"%s\" from ban list for \"%s\"." , c2c->mask, Channel_Name( Chan ));
+ if( last ) last->next = next;
+ else My_Bans = next;
+ free( c2c );
+ }
+ else last = c2c;
+ c2c = next;
+ }
+} /* Lists_DeleteChannel */
+
+
+GLOBAL CHAR *
+Lists_MakeMask( CHAR *Pattern )
+{
+ /* Hier wird aus einem "beliebigen" Pattern eine gueltige IRC-Mask erzeugt.
+ * Diese ist aber nur bis zum naechsten Aufruf von Lists_MakeMask() gueltig,
+ * da ein einziger globaler Puffer verwendet wird. ->Umkopieren!*/
+
+ STATIC CHAR TheMask[MASK_LEN];
+ CHAR *excl, *at;
+
+ assert( Pattern != NULL );
+
+ excl = strchr( Pattern, '!' );
+ at = strchr( Pattern, '@' );
+
+ if(( at ) && ( at < excl )) excl = NULL;
+
+ if(( ! at ) && ( ! excl ))
+ {
+ /* weder ! noch @Êvorhanden: als Nick annehmen */
+ strncpy( TheMask, Pattern, MASK_LEN - 5 );
+ TheMask[MASK_LEN - 5] = '\0';
+ strcat( TheMask, "!*@*" );
+ return TheMask;
+ }
+
+ if(( ! at ) && ( excl ))
+ {
+ /* Domain fehlt */
+ strncpy( TheMask, Pattern, MASK_LEN - 3 );
+ TheMask[MASK_LEN - 3] = '\0';
+ strcat( TheMask, "@*" );
+ return TheMask;
+ }
+
+ if(( at ) && ( ! excl ))
+ {
+ /* User fehlt */
+ *at = '\0'; at++;
+ strncpy( TheMask, Pattern, MASK_LEN - 4 );
+ TheMask[MASK_LEN - 4] = '\0';
+ strcat( TheMask, "!*@" );
+ strncat( TheMask, at, strlen( TheMask ) - MASK_LEN - 1 );
+ TheMask[MASK_LEN - 1] = '\0';
+ return TheMask;
+ }
+
+ /* alle Teile vorhanden */
+ strncpy( TheMask, Pattern, MASK_LEN - 1 );
+ TheMask[MASK_LEN - 1] = '\0';
+ return TheMask;
+} /* Lists_MakeMask */
+
+
+LOCAL C2C *
+New_C2C( CHAR *Mask, CHANNEL *Chan, BOOLEAN OnlyOnce )
+{
+ C2C *c2c;
+
+ assert( Mask != NULL );
assert( Chan != NULL );
- return NULL;
+ /* Speicher fuer Eintrag anfordern */
+ c2c = malloc( sizeof( C2C ));
+ if( ! c2c )
+ {
+ Log( LOG_EMERG, "Can't allocate memory! [New_C2C]" );
+ return NULL;
+ }
+
+ strncpy( c2c->mask, Mask, MASK_LEN );
+ c2c->channel = Chan;
+ c2c->onlyonce = OnlyOnce;
+
+ return c2c;
} /* New_C2C */
+LOCAL BOOLEAN
+Check_List( C2C **Cl2Chan, CLIENT *Client, CHANNEL *Chan )
+{
+ C2C *c2c, *last;
+
+ assert( Cl2Chan != NULL );
+ assert( Client != NULL );
+ assert( Chan != NULL );
+
+ c2c = *Cl2Chan;
+ last = NULL;
+
+ while( c2c )
+ {
+ if( c2c->channel == Chan )
+ {
+ /* Ok, richtiger Channel. Passt die Maske? */
+ if( Match( c2c->mask, Client_Mask( Client )))
+ {
+ /* Treffer! */
+ if( c2c->onlyonce )
+ {
+ /* Eintrag loeschen */
+ Log( LOG_DEBUG, "Deleted \"%s\" from %s list for \"%s\".", c2c->mask, *Cl2Chan == My_Invites ? "invite" : "ban", Channel_Name( Chan ));
+ if( last ) last->next = c2c->next;
+ else *Cl2Chan = c2c->next;
+ free( c2c );
+ }
+ return TRUE;
+ }
+ }
+ last = c2c;
+ c2c = c2c->next;
+ }
+
+ return FALSE;
+} /* Check_List */
+
+
+LOCAL BOOLEAN
+Already_Registered( C2C *List, CHAR *Mask, CHANNEL *Chan )
+{
+ C2C *c2c;
+
+ c2c = List;
+ while( c2c )
+ {
+ if(( c2c->channel == Chan ) && ( strcasecmp( c2c->mask, Mask ) == 0 )) return TRUE;
+ c2c = c2c->next;
+ }
+ return FALSE;
+} /* Already_Registered */
+
+
/* -eof- */
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