/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
+ * Copyright (c)2001-2005 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: lists.c,v 1.6 2002/08/26 23:47:58 alex Exp $
- *
- * lists.c: Verwaltung der "IRC-Listen": Ban, Invite, ...
+ * 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.
*/
#include "portab.h"
+/**
+ * @file
+ * Management of IRC lists: ban, invite, etc.
+ */
+
#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 <strings.h>
#include "exp.h"
#include "lists.h"
+#define MASK_LEN (2*CLIENT_HOST_LEN)
-#define MASK_LEN CLIENT_ID_LEN+CLIENT_HOST_LEN
+struct list_elem {
+ struct list_elem *next;
+ char mask[MASK_LEN];
+ bool onlyonce;
+};
-typedef struct _C2C
+GLOBAL const char *
+Lists_GetMask(const struct list_elem *e)
{
- struct _C2C *next;
- CHAR mask[MASK_LEN];
- CHANNEL *channel;
- BOOLEAN onlyonce;
-} C2C;
+ return e->mask;
+}
-LOCAL C2C *My_Invites, *My_Bans;
+GLOBAL struct list_elem*
+Lists_GetFirst(const struct list_head *h)
+{
+ return h->first;
+}
-LOCAL C2C *New_C2C PARAMS(( CHAR *Mask, CHANNEL *Chan, BOOLEAN OnlyOnce ));
+GLOBAL struct list_elem*
+Lists_GetNext(const struct list_elem *e)
+{
+ return e->next;
+}
-GLOBAL VOID
-Lists_Init( VOID )
+bool
+Lists_Add(struct list_head *header, const char *Mask, bool OnlyOnce )
{
- /* Modul initialisieren */
-
- My_Invites = My_Bans = NULL;
-} /* Lists_Init */
+ struct list_elem *e, *newelem;
+ assert( header != NULL );
+ assert( Mask != NULL );
-GLOBAL VOID
-Lists_Exit( VOID )
-{
- /* Modul abmelden */
+ if (Lists_CheckDupeMask(header, Mask )) return true;
- C2C *c2c, *next;
+ e = Lists_GetFirst(header);
- /* Invite-Lists freigeben */
- c2c = My_Invites;
- while( c2c )
- {
- next = c2c->next;
- free( c2c );
- c2c = next;
+ newelem = malloc(sizeof(struct list_elem));
+ if( ! newelem ) {
+ Log( LOG_EMERG, "Can't allocate memory for new Ban/Invite entry!" );
+ return false;
}
- /* Ban-Lists freigeben */
- c2c = My_Bans;
- while( c2c )
- {
- next = c2c->next;
- free( c2c );
- c2c = next;
- }
-} /* Lists_Exit */
+ strlcpy( newelem->mask, Mask, sizeof( newelem->mask ));
+ newelem->onlyonce = OnlyOnce;
+ newelem->next = e;
+ header->first = newelem;
+ return true;
+}
-GLOBAL BOOLEAN
-Lists_CheckInvited( CLIENT *Client, CHANNEL *Chan )
+
+static void
+Lists_Unlink(struct list_head *header, struct list_elem *p, struct list_elem *victim)
+{
+ assert(victim != NULL);
+ assert(header != NULL);
+
+ if (p) p->next = victim->next;
+ else header->first = victim->next;
+
+ free(victim);
+}
+
+
+GLOBAL void
+Lists_Del(struct list_head *header, const char *Mask)
{
- C2C *c2c, *last;
-
- assert( Client != NULL );
- assert( Chan != NULL );
+ struct list_elem *e, *last, *victim;
+
+ assert( header != NULL );
+ assert( Mask != NULL );
last = NULL;
- c2c = My_Invites;
- while( c2c )
- {
- if( c2c->channel == Chan )
- {
- /* Ok, richtiger Channel. Passt die Maske? */
- if( strcasecmp( Client_Mask( Client ), c2c->mask ) == 0 )
- {
- /* Treffer! */
- if( c2c->onlyonce )
- {
- /* Eintrag loeschen */
- if( last ) last->next = c2c->next;
- else My_Invites = c2c->next;
- free( c2c );
- }
- return TRUE;
- }
+ e = Lists_GetFirst(header);
+ while( e ) {
+ if(strcasecmp( e->mask, Mask ) == 0 ) {
+ LogDebug("Deleted \"%s\" from list", e->mask);
+ victim = e;
+ e = victim->next;
+ Lists_Unlink(header, last, victim);
+ continue;
}
- last = c2c;
- c2c = c2c->next;
+ last = e;
+ e = e->next;
}
-
- return FALSE;
-} /* Lists_CheckInvited */
+}
-GLOBAL BOOLEAN
-Lists_AddInvited( CHAR *Pattern, CHANNEL *Chan, BOOLEAN OnlyOnce )
+GLOBAL void
+Lists_Free(struct list_head *head)
{
- C2C *c2c;
+ struct list_elem *e, *victim;
- assert( Pattern != NULL );
- assert( Chan != NULL );
+ assert(head != NULL);
- c2c = New_C2C( Pattern, Chan, OnlyOnce );
- if( ! c2c )
- {
- Log( LOG_ERR, "Can't add new invite list entry!" );
- return FALSE;
+ e = head->first;
+ head->first = NULL;
+ while (e) {
+ LogDebug("Deleted \"%s\" from invite list" , e->mask);
+ victim = e;
+ e = e->next;
+ free( victim );
}
+}
- /* verketten */
- c2c->next = My_Invites;
- My_Invites = c2c;
- Log( LOG_DEBUG, "Added \"%s\" to invite list for \"%s\".", Pattern, Channel_Name( Chan ));
- return TRUE;
-} /* Lists_AddInvited */
+GLOBAL bool
+Lists_CheckDupeMask(const struct list_head *h, const char *Mask )
+{
+ struct list_elem *e;
+ e = h->first;
+ while (e) {
+ if (strcasecmp( e->mask, Mask ) == 0 )
+ return true;
+ e = e->next;
+ }
+ return false;
+}
-GLOBAL BOOLEAN
-Lists_CheckBanned( CLIENT *Client, CHANNEL *Chan )
+GLOBAL const char *
+Lists_MakeMask(const char *Pattern)
{
- assert( Client != NULL );
- assert( Chan != NULL );
+ /* This function generats a valid IRC mask of "any" string. This
+ * mask is only valid until the next call to Lists_MakeMask(),
+ * because a single global buffer is used. You have to copy the
+ * generated mask to some sane location yourself! */
- return FALSE;
-} /* Lists_CheckBanned */
+ static char TheMask[MASK_LEN];
+ char *excl, *at;
+ assert( Pattern != NULL );
-GLOBAL VOID
-Lists_DeleteChannel( CHANNEL *Chan )
-{
- /* Channel wurde geloescht, Invite- und Ban-Lists aufraeumen */
+ excl = strchr( Pattern, '!' );
+ at = strchr( Pattern, '@' );
- C2C *c2c, *last, *next;
+ if(( at ) && ( at < excl )) excl = NULL;
- /* Invite-List */
- last = NULL;
- c2c = My_Invites;
- while( c2c )
+ if(( ! at ) && ( ! excl ))
{
- next = c2c->next;
- if( c2c->channel == Chan )
- {
- /* dieser Eintrag muss geloescht werden */
- if( last ) last->next = next;
- else My_Invites = next;
- free( c2c );
- }
- else last = c2c;
- c2c = next;
+ /* Neither "!" nor "@" found: use string as nick name */
+ strlcpy( TheMask, Pattern, sizeof( TheMask ) - 5 );
+ strlcat( TheMask, "!*@*", sizeof( TheMask ));
+ return TheMask;
}
- /* Ban-List */
- last = NULL;
- c2c = My_Bans;
- while( c2c )
+ if(( ! at ) && ( excl ))
{
- next = c2c->next;
- if( c2c->channel == Chan )
- {
- /* dieser Eintrag muss geloescht werden */
- if( last ) last->next = next;
- else My_Bans = next;
- free( c2c );
- }
- else last = c2c;
- c2c = next;
+ /* Domain part is missing */
+ strlcpy( TheMask, Pattern, sizeof( TheMask ) - 3 );
+ strlcat( TheMask, "@*", sizeof( TheMask ));
+ return TheMask;
+ }
+
+ if(( at ) && ( ! excl ))
+ {
+ /* User name is missing */
+ *at = '\0'; at++;
+ strlcpy( TheMask, Pattern, sizeof( TheMask ) - 5 );
+ strlcat( TheMask, "!*@", sizeof( TheMask ));
+ strlcat( TheMask, at, sizeof( TheMask ));
+ return TheMask;
}
-} /* Lists_DeleteChannel */
+
+ /* All parts (nick, user and domain name) are given */
+ strlcpy( TheMask, Pattern, sizeof( TheMask ));
+ return TheMask;
+} /* Lists_MakeMask */
+
-LOCAL C2C *
-New_C2C( CHAR *Mask, CHANNEL *Chan, BOOLEAN OnlyOnce )
+bool
+Lists_Check( struct list_head *header, CLIENT *Client)
{
- C2C *c2c;
-
- assert( Mask != NULL );
- assert( Chan != NULL );
+ struct list_elem *e, *last;
- /* Speicher fuer Eintrag anfordern */
- c2c = malloc( sizeof( C2C ));
- if( ! c2c )
- {
- Log( LOG_EMERG, "Can't allocate memory! [New_C2C]" );
- return NULL;
- }
+ assert( header != NULL );
- strncpy( c2c->mask, Mask, MASK_LEN );
- c2c->channel = Chan;
- c2c->onlyonce = OnlyOnce;
-
- return c2c;
-} /* New_C2C */
+ e = header->first;
+ last = NULL;
+
+ while( e ) {
+ if( Match( e->mask, Client_Mask( Client ))) {
+ if( e->onlyonce ) { /* delete entry */
+ LogDebug("Deleted \"%s\" from list", e->mask);
+ Lists_Unlink(header, last, e);
+ }
+ return true;
+ }
+ last = e;
+ e = e->next;
+ }
+ return false;
+}
/* -eof- */
projects / ngircd-alex.git / blobdiff