/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
+ * Copyright (c)2001-2005 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: channel.c,v 1.17 2002/03/02 01:35:50 alex Exp $
- *
- * channel.c: Management der Channels
- *
- * $Log: channel.c,v $
- * Revision 1.17 2002/03/02 01:35:50 alex
- * - Channel- und Nicknames werden nun ordentlich validiert.
- *
- * Revision 1.16 2002/02/27 23:23:53 alex
- * - Includes fuer einige Header bereinigt.
- *
- * Revision 1.15 2002/02/27 20:32:10 alex
- * - neue Funktionen Channel_Topic() und Channel_SetTopic().
- *
- * Revision 1.14 2002/02/27 15:21:21 alex
- * - neue Funktion Channel_IsMemberOf() implementiert.
- *
- * Revision 1.13 2002/02/11 01:00:12 alex
- * - neue Funktionen Channel_ModeAdd(), Channel_ModeDel(), Channel_UserModes(),
- * Channel_UserModeAdd(), Channel_UserModeDel().
- * - Modes in CL2CHAN-Struktur werden nun korrekt initialisiert.
- *
- * Revision 1.12 2002/02/06 16:48:48 alex
- * - neue Funktion Channel_Modes() und Channel_IsValidName().
- * - Channel-Namen werden (besser) validiert.
- *
- * Revision 1.11 2002/01/29 00:11:10 alex
- * - neue Funktionen Channel_FirstChannelOf() und Channel_NextChannelOf().
- *
- * Revision 1.10 2002/01/28 01:16:15 alex
- * - neue Funktionen Channel_Name(), Channel_First() und Channel_Next().
- *
- * 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 :-)
+ * Channel management
*/
#define __channel_c__
-#include <portab.h>
-#include "global.h"
+#include "portab.h"
+
+static char UNUSED id[] = "$Id: channel.c,v 1.65 2008/02/05 16:31:35 fw Exp $";
-#include <imp.h>
+#include "imp.h"
#include <assert.h>
#include <stdlib.h>
#include <string.h>
+#include <errno.h>
+#include <strings.h>
+#include "defines.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>
-#include "channel.h"
+#include "exp.h"
-LOCAL CHANNEL *My_Channels;
-LOCAL CL2CHAN *My_Cl2Chan;
+#define REMOVE_PART 0
+#define REMOVE_QUIT 1
+#define REMOVE_KICK 2
-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 );
+static CHANNEL *My_Channels;
+static CL2CHAN *My_Cl2Chan;
-GLOBAL VOID Channel_Init( VOID )
+static CL2CHAN *Get_Cl2Chan PARAMS(( CHANNEL *Chan, CLIENT *Client ));
+static CL2CHAN *Add_Client PARAMS(( CHANNEL *Chan, CLIENT *Client ));
+static bool Remove_Client PARAMS(( int Type, CHANNEL *Chan, CLIENT *Client, CLIENT *Origin, const char *Reason, bool InformServer ));
+static CL2CHAN *Get_First_Cl2Chan PARAMS(( CLIENT *Client, CHANNEL *Chan ));
+static CL2CHAN *Get_Next_Cl2Chan PARAMS(( CL2CHAN *Start, CLIENT *Client, CHANNEL *Chan ));
+static bool Delete_Channel PARAMS(( CHANNEL *Chan ));
+
+
+GLOBAL void
+Channel_Init( void )
{
My_Channels = NULL;
My_Cl2Chan = NULL;
} /* Channel_Init */
-GLOBAL VOID Channel_Exit( VOID )
+GLOBAL struct list_head *
+Channel_GetListBans(CHANNEL *c)
+{
+ assert(c != NULL);
+ return &c->list_bans;
+}
+
+
+GLOBAL struct list_head *
+Channel_GetListInvites(CHANNEL *c)
+{
+ assert(c != NULL);
+ return &c->list_invites;
+}
+
+
+GLOBAL void
+Channel_InitPredefined( void )
+{
+ /* Vordefinierte persistente Channels erzeugen */
+
+ CHANNEL *chan;
+ char *c;
+ unsigned 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 );
+ array_free(&Conf_Channel[i].topic);
+ 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 );
+ array_free(&Conf_Channel[i].topic);
+ continue;
+ }
+
+ /* Create channel */
+ chan = Channel_Create(Conf_Channel[i].name);
+ if (chan) {
+ Channel_ModeAdd(chan, 'P');
+
+ if (array_start(&Conf_Channel[i].topic) != NULL)
+ Channel_SetTopic(chan, NULL,
+ array_start(&Conf_Channel[i].topic));
+ array_free(&Conf_Channel[i].topic);
+
+ c = Conf_Channel[i].modes;
+ while (*c)
+ Channel_ModeAdd(chan, *c++);
+
+ Channel_SetKey(chan, Conf_Channel[i].key);
+ Channel_SetMaxUsers(chan, Conf_Channel[i].maxusers);
+
+ 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;
+ array_free(&c->topic);
free( c );
c = c_next;
}
} /* Channel_Exit */
-GLOBAL BOOLEAN Channel_Join( CLIENT *Client, CHAR *Name )
+GLOBAL bool
+Channel_Join( CLIENT *Client, char *Name )
{
CHANNEL *chan;
assert( Client != NULL );
assert( Name != NULL );
- /* Valider Channel-Name? */
- if( ! Channel_IsValidName( Name ))
- {
+ if( ! Channel_IsValidName( Name )) {
IRC_WriteStrClient( Client, ERR_NOSUCHCHANNEL_MSG, Client_ID( Client ), Name );
- return FALSE;
+ return false;
}
- /* Channel suchen */
chan = Channel_Search( Name );
- if( chan )
- {
+ if( chan ) {
/* Ist der Client bereits Mitglied? */
- if( Get_Cl2Chan( chan, Client )) return FALSE;
+ 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;
+ chan = Channel_Create( Name );
+ if (!chan) return false;
}
/* User dem Channel hinzufuegen */
- if( ! Add_Client( chan, Client )) return FALSE;
- else return TRUE;
+ if( ! Add_Client( chan, Client )) return false;
+ else return true;
} /* Channel_Join */
-GLOBAL BOOLEAN Channel_Part( CLIENT *Client, CLIENT *Origin, CHAR *Name, CHAR *Reason )
+/**
+ * Remove client from channel.
+ * This function lets a client lead a channel. First, the function checks
+ * if the channel exists and the client is a member of it and sends out
+ * appropriate error messages if not. The real work is done by the function
+ * Remove_Client().
+ */
+GLOBAL bool
+Channel_Part(CLIENT * Client, CLIENT * Origin, const char *Name, const char *Reason)
+{
+ CHANNEL *chan;
+
+ assert(Client != NULL);
+ assert(Name != NULL);
+ assert(Reason != NULL);
+
+ chan = Channel_Search(Name);
+ if (!chan) {
+ IRC_WriteStrClient(Client, ERR_NOSUCHCHANNEL_MSG,
+ Client_ID(Client), Name);
+ return false;
+ }
+ if (!Get_Cl2Chan(chan, Client)) {
+ IRC_WriteStrClient(Client, ERR_NOTONCHANNEL_MSG,
+ Client_ID(Client), Name);
+ return false;
+ }
+
+ 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, const char *Name, const char *Reason )
{
CHANNEL *chan;
assert( Client != NULL );
+ assert( Origin != NULL );
assert( Name != NULL );
+ assert( Reason != NULL );
- /* Channel suchen */
chan = Channel_Search( Name );
- if(( ! chan ) || ( ! Get_Cl2Chan( chan, Client )))
+ if( ! chan )
{
- IRC_WriteStrClient( Client, ERR_NOSUCHCHANNEL_MSG, Client_ID( Client ), Name );
- return FALSE;
+ IRC_WriteStrClient( Origin, ERR_NOSUCHCHANNEL_MSG, Client_ID( Origin ), Name );
+ return;
}
- /* User aus Channel entfernen */
- if( ! Remove_Client( chan, Client, Origin, Reason, TRUE )) return FALSE;
- else return TRUE;
-} /* Channel_Part */
+ if( ! Channel_IsMemberOf( chan, Origin ))
+ {
+ IRC_WriteStrClient( Origin, ERR_NOTONCHANNEL_MSG, Client_ID( Origin ), Name );
+ return;
+ }
+
+ /* Is User Channel-Operator? */
+ if( ! strchr( Channel_UserModes( chan, Origin ), 'o' ))
+ {
+ IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Name);
+ return;
+ }
+
+ /* Ist the kickED User member of 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_RemoveClient( CLIENT *Client, CHAR *Reason )
+GLOBAL void
+Channel_Quit( CLIENT *Client, char *Reason )
{
CHANNEL *c, *next_c;
assert( Client != NULL );
+ assert( Reason != NULL );
+
+ IRC_WriteStrRelatedPrefix( Client, Client, false, "QUIT :%s", Reason );
c = My_Channels;
while( c )
{
next_c = c->next;
- Remove_Client( c, Client, Client_ThisServer( ), Reason, FALSE );
+ Remove_Client( REMOVE_QUIT, c, Client, Client, Reason, false );
c = next_c;
}
-} /* Channel_RemoveClient */
+} /* Channel_Quit */
-GLOBAL INT Channel_Count( VOID )
+GLOBAL unsigned long
+Channel_Count( void )
{
CHANNEL *c;
- INT count;
+ unsigned long count = 0;
- count = 0;
c = My_Channels;
while( c )
{
} /* Channel_Count */
-GLOBAL CHAR *Channel_Name( CHANNEL *Chan )
+GLOBAL unsigned long
+Channel_MemberCount( CHANNEL *Chan )
+{
+ CL2CHAN *cl2chan;
+ unsigned long count = 0;
+
+ assert( Chan != NULL );
+
+ 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 = 0;
+
+ assert( Client != NULL );
+
+ cl2chan = My_Cl2Chan;
+ while( cl2chan )
+ {
+ if( cl2chan->client == Client ) count++;
+ cl2chan = cl2chan->next;
+ }
+
+ return count;
+} /* Channel_CountForUser */
+
+
+
+GLOBAL const char *
+Channel_Name( const CHANNEL *Chan )
{
assert( Chan != NULL );
return Chan->name;
} /* Channel_Name */
-GLOBAL CHAR *Channel_Modes( CHANNEL *Chan )
+GLOBAL char *
+Channel_Modes( CHANNEL *Chan )
{
assert( Chan != NULL );
return Chan->modes;
} /* Channel_Modes */
-GLOBAL CHANNEL *Channel_First( VOID )
+GLOBAL char *
+Channel_Key( CHANNEL *Chan )
+{
+ assert( Chan != NULL );
+ return Chan->key;
+} /* Channel_Key */
+
+
+GLOBAL unsigned 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 )
+GLOBAL CHANNEL *
+Channel_Next( CHANNEL *Chan )
{
assert( Chan != NULL );
return Chan->next;
} /* Channel_Next */
-GLOBAL CHANNEL *Channel_Search( CHAR *Name )
+GLOBAL CHANNEL *
+Channel_Search( const char *Name )
{
/* Channel-Struktur suchen */
CHANNEL *c;
+ UINT32 search_hash;
assert( Name != NULL );
+
+ search_hash = Hash( Name );
c = My_Channels;
while( c )
{
- if( strcasecmp( Name, c->name ) == 0 ) return 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 )
+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 )
+GLOBAL CL2CHAN *
+Channel_NextMember( CHANNEL *Chan, CL2CHAN *Cl2Chan )
{
assert( Chan != NULL );
assert( Cl2Chan != NULL );
} /* Channel_NextMember */
-GLOBAL CL2CHAN *Channel_FirstChannelOf( CLIENT *Client )
+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 )
+GLOBAL CL2CHAN *
+Channel_NextChannelOf( CLIENT *Client, CL2CHAN *Cl2Chan )
{
assert( Client != NULL );
assert( Cl2Chan != NULL );
} /* Channel_NextChannelOf */
-GLOBAL CLIENT *Channel_GetClient( CL2CHAN *Cl2Chan )
+GLOBAL CLIENT *
+Channel_GetClient( CL2CHAN *Cl2Chan )
{
assert( Cl2Chan != NULL );
return Cl2Chan->client;
} /* Channel_GetClient */
-GLOBAL CHANNEL *Channel_GetChannel( CL2CHAN *Cl2Chan )
+GLOBAL CHANNEL *
+Channel_GetChannel( CL2CHAN *Cl2Chan )
{
assert( Cl2Chan != NULL );
return Cl2Chan->channel;
} /* Channel_GetChannel */
-GLOBAL BOOLEAN Channel_IsValidName( CHAR *Name )
+GLOBAL bool
+Channel_IsValidName( const char *Name )
{
- /* Pr\9ffen, ob Name als Channelname gueltig */
-
- CHAR *ptr, badchars[] = " ,:\x07";
-
assert( Name != NULL );
- if(( Name[0] != '#' ) || ( strlen( Name ) >= CHANNEL_NAME_LEN )) return FALSE;
+ if (strchr("+#", Name[0]) == NULL)
+ return false;
+ if (strlen(Name) >= CHANNEL_NAME_LEN)
+ return false;
- ptr = Name;
- while( *ptr )
- {
- if( strchr( badchars, *ptr )) return FALSE;
- ptr++;
- }
-
- return TRUE;
+ return Name[strcspn(Name, " ,:\007")] == 0;
} /* Channel_IsValidName */
-GLOBAL BOOLEAN Channel_ModeAdd( CHANNEL *Chan, CHAR Mode )
+GLOBAL bool
+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. */
+ /* set Mode.
+ * If the channel already had this mode, return false.
+ * If the channel mode was newly set return true.
+ */
- CHAR x[2];
+ 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;
+ /* Channel does not have this mode yet, set it */
+ strlcat( Chan->modes, x, sizeof( Chan->modes ));
+ return true;
}
- else return FALSE;
+ else return false;
} /* Channel_ModeAdd */
-GLOBAL BOOLEAN Channel_ModeDel( CHANNEL *Chan, CHAR Mode )
+GLOBAL bool
+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;
+ /* Delete mode.
+ * if the mode was removed return true.
+ * if the channel did not have the mode, return false.
+ */
+ char *p;
assert( Chan != NULL );
- x[0] = Mode; x[1] = '\0';
-
- p = strchr( Chan->modes, x[0] );
- if( ! p ) return FALSE;
+ p = strchr( Chan->modes, Mode );
+ if( ! p ) return false;
- /* Client hat den Mode -> loeschen */
+ /* Channel has mode -> delete */
while( *p )
{
*p = *(p + 1);
p++;
}
- return TRUE;
+ return true;
} /* Channel_ModeDel */
-GLOBAL BOOLEAN Channel_UserModeAdd( CHANNEL *Chan, CLIENT *Client, CHAR Mode )
+GLOBAL bool
+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. */
+ /* Set Channel-User-Mode.
+ * if mode was newly set, return true.
+ * if the User already had this channel-mode, return false.
+ */
CL2CHAN *cl2chan;
- CHAR x[2];
+ 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;
+ /* mode not set, -> set it */
+ strlcat( cl2chan->modes, x, sizeof( cl2chan->modes ));
+ return true;
}
- else return FALSE;
+ else return false;
} /* Channel_UserModeAdd */
-GLOBAL BOOLEAN Channel_UserModeDel( CHANNEL *Chan, CLIENT *Client, CHAR Mode )
+GLOBAL bool
+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. */
+ /* Delete Channel-User-Mode.
+ * If Mode was removed, return true.
+ * If User did not have the Channel-Mode, return false.
+ */
CL2CHAN *cl2chan;
- CHAR x[2], *p;
+ char *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;
+ p = strchr( cl2chan->modes, Mode );
+ if( ! p ) return false;
- /* Client hat den Mode -> loeschen */
+ /* Client has Mode -> delete */
while( *p )
{
*p = *(p + 1);
p++;
}
- return TRUE;
+ return true;
} /* Channel_UserModeDel */
-GLOBAL CHAR *Channel_UserModes( CHANNEL *Chan, CLIENT *Client )
+GLOBAL char *
+Channel_UserModes( CHANNEL *Chan, CLIENT *Client )
{
- /* Channel-Modes eines Users liefern */
-
+ /* return Users' Channel-Modes */
+
CL2CHAN *cl2chan;
assert( Chan != NULL );
} /* Channel_UserModes */
-GLOBAL BOOLEAN Channel_IsMemberOf( CHANNEL *Chan, CLIENT *Client )
+GLOBAL bool
+Channel_IsMemberOf( CHANNEL *Chan, CLIENT *Client )
{
- /* Pruefen, ob Client Mitglied in Channel ist */
+ /* Test if Client is on Channel Chan */
assert( Chan != NULL );
assert( Client != NULL );
-
- if( Get_Cl2Chan( Chan, Client )) return TRUE;
- else return FALSE;
+ return Get_Cl2Chan(Chan, Client) != NULL;
} /* Channel_IsMemberOf */
-GLOBAL CHAR *Channel_Topic( CHANNEL *Chan )
+GLOBAL char *
+Channel_Topic( CHANNEL *Chan )
{
+ char *ret;
assert( Chan != NULL );
- return Chan->topic;
+ ret = array_start(&Chan->topic);
+ return ret ? ret : "";
} /* Channel_Topic */
+
+#ifndef STRICT_RFC
+
+GLOBAL unsigned int
+Channel_TopicTime(CHANNEL *Chan)
+{
+ assert(Chan != NULL);
+ return (unsigned int) Chan->topic_time;
+} /* Channel_TopicTime */
+
+
+GLOBAL char *
+Channel_TopicWho(CHANNEL *Chan)
+{
+ assert(Chan != NULL);
+ return Chan->topic_who;
+} /* Channel_TopicWho */
+
+#endif
+
-GLOBAL VOID Channel_SetTopic( CHANNEL *Chan, CHAR *Topic )
+GLOBAL void
+Channel_SetTopic(CHANNEL *Chan, CLIENT *Client, char *Topic)
{
+ size_t len;
assert( Chan != NULL );
assert( Topic != NULL );
-
- strncpy( Chan->topic, Topic, CHANNEL_TOPIC_LEN );
- Chan->topic[CHANNEL_TOPIC_LEN - 1] = '\0';
+
+ len = strlen(Topic);
+ if (len < array_bytes(&Chan->topic))
+ array_free(&Chan->topic);
+
+ if (len >= COMMAND_LEN || !array_copyb(&Chan->topic, Topic, len+1))
+ Log(LOG_WARNING, "could not set new Topic \"%s\" on %s: %s",
+ Topic, Chan->name, strerror(errno));
+#ifndef STRICT_RFC
+ Chan->topic_time = time(NULL);
+ if (Client != NULL && Client_Type(Client) != CLIENT_SERVER)
+ strlcpy(Chan->topic_who, Client_ID(Client),
+ sizeof Chan->topic_who);
+ else
+ strlcpy(Chan->topic_who, DEFAULT_TOPIC_ID,
+ sizeof Chan->topic_who);
+#else
+ (void) Client;
+#endif
} /* Channel_SetTopic */
-LOCAL CHANNEL *New_Chan( CHAR *Name )
+GLOBAL void
+Channel_SetModes( CHANNEL *Chan, char *Modes )
{
- /* Neue Channel-Struktur anlegen */
-
+ 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 ));
+ LogDebug("Channel %s: Key is now \"%s\".", Chan->name, Chan->key );
+} /* Channel_SetKey */
+
+
+GLOBAL void
+Channel_SetMaxUsers(CHANNEL *Chan, unsigned long Count)
+{
+ assert( Chan != NULL );
+
+ Chan->maxusers = Count;
+ LogDebug("Channel %s: Member limit is now %lu.", Chan->name, Chan->maxusers );
+} /* Channel_SetMaxUsers */
+
+
+static bool
+Can_Send_To_Channel(CHANNEL *Chan, CLIENT *From)
+{
+ bool is_member, has_voice, is_op;
+
+ 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;
+ }
+
+ /*
+ * Is the client allowed to write to channel?
+ *
+ * If channel mode n set: non-members cannot send to channel.
+ * If channel mode m set: need voice.
+ */
+ if (strchr(Channel_Modes(Chan), 'n') && !is_member)
+ return false;
+
+ if (is_op || has_voice)
+ return true;
+
+ if (strchr(Channel_Modes(Chan), 'm'))
+ return false;
+
+ return !Lists_Check(&Chan->list_bans, From);
+}
+
+
+GLOBAL bool
+Channel_Write(CHANNEL *Chan, CLIENT *From, CLIENT *Client, const char *Text)
+{
+ if (!Can_Send_To_Channel(Chan, From))
+ return IRC_WriteStrClient(From, ERR_CANNOTSENDTOCHAN_MSG, Client_ID(From), Channel_Name(Chan));
+
+ if (Client_Conn(From) > NONE)
+ Conn_UpdateIdle(Client_Conn(From));
+
+ return IRC_WriteStrChannelPrefix(Client, Chan, From, true,
+ "PRIVMSG %s :%s", Channel_Name(Chan), Text);
+}
+
+
+GLOBAL bool
+Channel_Notice(CHANNEL *Chan, CLIENT *From, CLIENT *Client, const char *Text)
+{
+ if (!Can_Send_To_Channel(Chan, From))
+ return true; /* no error, see RFC 2812 */
+
+ if (Client_Conn(From) > NONE)
+ Conn_UpdateIdle(Client_Conn(From));
+
+ return IRC_WriteStrChannelPrefix(Client, Chan, From, true,
+ "NOTICE %s :%s", Channel_Name(Chan), Text);
+}
+
+
+GLOBAL CHANNEL *
+Channel_Create( char *Name )
+{
+ /* Create new CHANNEL structure and add it to linked list */
CHANNEL *c;
assert( Name != NULL );
-
- c = malloc( sizeof( CHANNEL ));
+
+ c = (CHANNEL *)malloc( sizeof( CHANNEL ));
if( ! c )
{
- Log( LOG_EMERG, "Can't allocate memory!" );
+ Log( LOG_EMERG, "Can't allocate memory! [New_Chan]" );
return NULL;
}
- c->next = NULL;
- strncpy( c->name, Name, CHANNEL_NAME_LEN );
- c->name[CHANNEL_NAME_LEN - 1] = '\0';
- strcpy( c->modes, "" );
- strcpy( c->topic, "" );
-
- Log( LOG_DEBUG, "Created new channel structure for \"%s\".", Name );
-
+ memset( c, 0, sizeof( CHANNEL ));
+ strlcpy( c->name, Name, sizeof( c->name ));
+ c->hash = Hash( c->name );
+ c->next = My_Channels;
+ My_Channels = c;
+ LogDebug("Created new channel structure for \"%s\".", Name);
return c;
-} /* New_Chan */
+} /* Channel_Create */
-LOCAL CL2CHAN *Get_Cl2Chan( CHANNEL *Chan, CLIENT *Client )
+static CL2CHAN *
+Get_Cl2Chan( CHANNEL *Chan, CLIENT *Client )
{
CL2CHAN *cl2chan;
} /* Get_Cl2Chan */
-LOCAL CL2CHAN *Add_Client( CHANNEL *Chan, CLIENT *Client )
+static CL2CHAN *
+Add_Client( CHANNEL *Chan, CLIENT *Client )
{
CL2CHAN *cl2chan;
assert( Client != NULL );
/* neue CL2CHAN-Struktur anlegen */
- cl2chan = malloc( sizeof( CL2CHAN ));
+ cl2chan = (CL2CHAN *)malloc( sizeof( CL2CHAN ));
if( ! cl2chan )
{
- Log( LOG_EMERG, "Can't allocate memory!" );
+ Log( LOG_EMERG, "Can't allocate memory! [Add_Client]" );
return NULL;
}
cl2chan->channel = Chan;
} /* Add_Client */
-LOCAL BOOLEAN Remove_Client( CHANNEL *Chan, CLIENT *Client, CLIENT *Origin, CHAR *Reason, BOOLEAN ServerPART )
+static bool
+Remove_Client( int Type, CHANNEL *Chan, CLIENT *Client, CLIENT *Origin, const char *Reason, bool InformServer )
{
CL2CHAN *cl2chan, *last_cl2chan;
CHANNEL *c;
last_cl2chan = cl2chan;
cl2chan = cl2chan->next;
}
- if( ! cl2chan ) return FALSE;
+ if( ! cl2chan ) return false;
c = cl2chan->channel;
assert( c != NULL );
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 );
+ switch( Type )
+ {
+ case REMOVE_QUIT:
+ /* QUIT: other servers have already been notified, see Client_Destroy();
+ * so only inform other clients in same channel. */
+ assert( InformServer == false );
+ LogDebug("User \"%s\" left channel \"%s\" (%s).",
+ Client_Mask( Client ), c->name, Reason );
+ break;
+ case REMOVE_KICK:
+ /* User was KICKed: inform other servers and all users in channel */
+ 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);
+ }
+ LogDebug("User \"%s\" has been kicked off \"%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);
+ LogDebug("User \"%s\" left channel \"%s\" (%s).",
+ Client_Mask(Client), 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 );
+ }
- /* Wenn Channel nun leer: loeschen */
- if( ! Get_First_Cl2Chan( NULL, Chan )) Delete_Channel( Chan );
-
- return TRUE;
+ return true;
} /* Remove_Client */
-LOCAL CL2CHAN *Get_First_Cl2Chan( CLIENT *Client, CHANNEL *Chan )
+GLOBAL bool
+Channel_AddBan(CHANNEL *c, const char *mask )
+{
+ struct list_head *h = Channel_GetListBans(c);
+ return Lists_Add(h, mask, false);
+}
+
+
+GLOBAL bool
+Channel_AddInvite(CHANNEL *c, const char *mask, bool onlyonce)
+{
+ struct list_head *h = Channel_GetListInvites(c);
+ return Lists_Add(h, mask, onlyonce);
+}
+
+
+static bool
+ShowInvitesBans(struct list_head *head, CLIENT *Client, CHANNEL *Channel, bool invite)
+{
+ struct list_elem *e;
+ char *msg = invite ? RPL_INVITELIST_MSG : RPL_BANLIST_MSG;
+ char *msg_end;
+
+ assert( Client != NULL );
+ assert( Channel != NULL );
+
+ e = Lists_GetFirst(head);
+ while (e) {
+ if( ! IRC_WriteStrClient( Client, msg, Client_ID( Client ),
+ Channel_Name( Channel ), Lists_GetMask(e) )) return DISCONNECTED;
+ e = Lists_GetNext(e);
+ }
+
+ msg_end = invite ? RPL_ENDOFINVITELIST_MSG : RPL_ENDOFBANLIST_MSG;
+ return IRC_WriteStrClient( Client, msg_end, Client_ID( Client ), Channel_Name( Channel ));
+}
+
+
+GLOBAL bool
+Channel_ShowBans( CLIENT *Client, CHANNEL *Channel )
+{
+ struct list_head *h;
+
+ assert( Channel != NULL );
+
+ h = Channel_GetListBans(Channel);
+ return ShowInvitesBans(h, Client, Channel, false);
+}
+
+
+GLOBAL bool
+Channel_ShowInvites( CLIENT *Client, CHANNEL *Channel )
+{
+ struct list_head *h;
+
+ assert( Channel != NULL );
+
+ h = Channel_GetListInvites(Channel);
+ return ShowInvitesBans(h, Client, Channel, true);
+}
+
+
+static 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 )
+static CL2CHAN *
+Get_Next_Cl2Chan( CL2CHAN *Start, CLIENT *Client, CHANNEL *Channel )
{
CL2CHAN *cl2chan;
} /* Get_Next_Cl2Chan */
-LOCAL BOOLEAN Delete_Channel( CHANNEL *Chan )
+static bool
+Delete_Channel( CHANNEL *Chan )
{
/* Channel-Struktur loeschen */
-
+
CHANNEL *chan, *last_chan;
last_chan = NULL;
last_chan = chan;
chan = chan->next;
}
- if( ! chan ) return FALSE;
+ if( ! chan ) return false;
Log( LOG_DEBUG, "Freed channel structure for \"%s\".", Chan->name );
+ /* Invite- und Ban-Lists aufraeumen */
+ Lists_Free( &chan->list_bans );
+ Lists_Free( &chan->list_invites );
+
/* Neu verketten und freigeben */
if( last_chan ) last_chan->next = chan->next;
else My_Channels = chan->next;
free( chan );
-
- return TRUE;
+
+ return true;
} /* Delete_Channel */
projects / ngircd-alex.git / blobdiff