/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2005 by Alexander Barton (alex@barton.de)
+ * Copyright (c)2001-2008 by Alexander Barton (alex@barton.de)
*
* 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
#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 <assert.h>
#include <stdlib.h>
GLOBAL void
Channel_InitPredefined( void )
{
- /* Vordefinierte persistente Channels erzeugen */
+ /* Generate predefined persistent channels */
CHANNEL *chan;
char *c;
unsigned int i;
-
+
for( i = 0; i < Conf_Channel_Count; i++ )
{
- /* Ist ein Name konfiguriert? */
+ /* Check for Name configuration */
if( ! Conf_Channel[i].name[0] ) continue;
- /* Gueltiger Channel-Name? */
+ /* Check for invalid 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? */
+ /* Check if the channel name is already in use */
chan = Channel_Search( Conf_Channel[i].name );
if( chan )
{
CHANNEL *c, *c_next;
CL2CHAN *cl2chan, *cl2chan_next;
- /* Channel-Strukturen freigeben */
+ /* free struct Channel */
c = My_Channels;
while( c )
{
c = c_next;
}
- /* Channel-Zuordnungstabelle freigeben */
+ /* Free Channel allocation table */
cl2chan = My_Cl2Chan;
while( c )
{
} /* Channel_Exit */
+/**
+ * Join Channel
+ * This function lets a client join a channel. First, the function
+ * checks that the specified channel name is valid and that the client
+ * isn't already a member. If the specified channel doesn't exist,
+ * a new channel is created. Client is added to channel by function
+ * Add_Client().
+ */
GLOBAL bool
Channel_Join( CLIENT *Client, char *Name )
{
CHANNEL *chan;
-
- assert( Client != NULL );
- assert( Name != NULL );
- if( ! Channel_IsValidName( Name )) {
- IRC_WriteStrClient( Client, ERR_NOSUCHCHANNEL_MSG, Client_ID( Client ), Name );
+ assert(Client != NULL);
+ assert(Name != NULL);
+
+ /* Check that the channel name is valid */
+ if (! Channel_IsValidName(Name)) {
+ IRC_WriteStrClient(Client, ERR_NOSUCHCHANNEL_MSG,
+ Client_ID(Client), Name);
return false;
}
- 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;
+ chan = Channel_Search(Name);
+ if(chan) {
+ /* Check if the client is already in the channel */
+ if (Get_Cl2Chan(chan, Client))
+ return false;
+ } else {
+ /* If the specified channel does not exist, the channel
+ * is now created */
+ chan = Channel_Create(Name);
+ if (!chan)
+ return false;
}
- /* User dem Channel hinzufuegen */
- if( ! Add_Client( chan, Client )) return false;
- else return true;
+ /* Add user to Channel */
+ if (! Add_Client(chan, Client))
+ return false;
+
+ return true;
} /* Channel_Join */
/**
- * Remove client from channel.
- * This function lets a client lead a channel. First, the function checks
+ * Part client from channel.
+ * This function lets a client part from 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().
assert(Name != NULL);
assert(Reason != NULL);
+ /* Check that specified channel exists */
chan = Channel_Search(Name);
if (!chan) {
IRC_WriteStrClient(Client, ERR_NOSUCHCHANNEL_MSG,
Client_ID(Client), Name);
return false;
}
+
+ /* Check that the client is in the channel */
if (!Get_Cl2Chan(chan, Client)) {
IRC_WriteStrClient(Client, ERR_NOTONCHANNEL_MSG,
Client_ID(Client), Name);
return false;
}
+ /* Part client from channel */
if (!Remove_Client(REMOVE_PART, chan, Client, Origin, Reason, true))
return false;
else
} /* Channel_Part */
+/* Kick user from Channel */
GLOBAL void
-Channel_Kick( CLIENT *Client, CLIENT *Origin, char *Name, char *Reason )
+Channel_Kick( CLIENT *Client, CLIENT *Origin, const char *Name, const char *Reason )
{
CHANNEL *chan;
assert( Name != NULL );
assert( Reason != NULL );
+ /* Check that channel exists */
chan = Channel_Search( Name );
if( ! chan )
{
return;
}
+ /* Check that user is on the specified channel */
if( ! Channel_IsMemberOf( chan, Origin ))
{
IRC_WriteStrClient( Origin, ERR_NOTONCHANNEL_MSG, Client_ID( Origin ), Name );
return;
}
- /* Is User Channel-Operator? */
+ /* Check if user has operator status */
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? */
+ /* Check that the client to be kicked is on the specified channel */
if( ! Channel_IsMemberOf( chan, Client ))
{
IRC_WriteStrClient( Origin, ERR_USERNOTINCHANNEL_MSG, Client_ID( Origin ), Client_ID( Client ), Name );
return;
}
+ /* Kick Client from channel */
Remove_Client( REMOVE_KICK, chan, Client, Origin, Reason, true);
} /* Channel_Kick */
{
CHANNEL *c;
unsigned long count = 0;
-
+
c = My_Channels;
while( c )
{
CL2CHAN *cl2chan;
int count = 0;
-
+
assert( Client != NULL );
-
+
cl2chan = My_Cl2Chan;
while( cl2chan )
{
} /* Channel_CountForUser */
-
GLOBAL const char *
Channel_Name( const CHANNEL *Chan )
{
GLOBAL CHANNEL *
Channel_Search( const char *Name )
{
- /* Channel-Struktur suchen */
-
+ /* Search channel structure */
+
CHANNEL *c;
UINT32 search_hash;
{
if( search_hash == c->hash )
{
- /* lt. Hash-Wert: Treffer! */
+ /* hash hit */
if( strcasecmp( Name, c->name ) == 0 ) return c;
}
c = c->next;
{
assert( Name != NULL );
+#ifdef STRICT_RFC
+ if (strlen(Name) <= 1)
+ return false;
+#endif
if (strchr("+#", Name[0]) == NULL)
return false;
if (strlen(Name) >= CHANNEL_NAME_LEN)
return ret ? ret : "";
} /* Channel_Topic */
-
+
#ifndef STRICT_RFC
GLOBAL unsigned int
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)
+Channel_Write(CHANNEL *Chan, CLIENT *From, CLIENT *Client, const char *Command,
+ bool SendErrors, const char *Text)
{
- if (!Can_Send_To_Channel(Chan, From))
- return true; /* no error, see RFC 2812 */
+ if (!Can_Send_To_Channel(Chan, From)) {
+ if (! SendErrors)
+ return CONNECTED; /* no error, see RFC 2812 */
+ 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,
- "NOTICE %s :%s", Channel_Name(Chan), Text);
+ "%s %s :%s", Command, Channel_Name(Chan), Text);
}
assert( Chan != NULL );
assert( Client != NULL );
- /* neue CL2CHAN-Struktur anlegen */
+ /* Create new CL2CHAN structure */
cl2chan = (CL2CHAN *)malloc( sizeof( CL2CHAN ));
if( ! cl2chan )
{
cl2chan->client = Client;
strcpy( cl2chan->modes, "" );
- /* Verketten */
+ /* concatenate */
cl2chan->next = My_Cl2Chan;
My_Cl2Chan = cl2chan;
{
CL2CHAN *cl2chan, *last_cl2chan;
CHANNEL *c;
-
+
assert( Chan != NULL );
assert( Client != NULL );
assert( Origin != NULL );
c = cl2chan->channel;
assert( c != NULL );
- /* Aus Verkettung loesen und freigeben */
+ /* maintain cl2chan list */
if( last_cl2chan ) last_cl2chan->next = cl2chan->next;
else My_Cl2Chan = cl2chan->next;
free( cl2chan );
}
}
- /* Wenn Channel nun leer und nicht pre-defined: loeschen */
+ /* When channel is empty and is not pre-defined, delete */
if( ! strchr( Channel_Modes( Chan ), 'P' ))
{
if( ! Get_First_Cl2Chan( NULL, Chan )) Delete_Channel( Chan );
CL2CHAN *cl2chan;
assert( Client != NULL || Channel != NULL );
-
+
cl2chan = Start;
while( cl2chan )
{
static bool
Delete_Channel( CHANNEL *Chan )
{
- /* Channel-Struktur loeschen */
+ /* delete channel structure */
CHANNEL *chan, *last_chan;
Log( LOG_DEBUG, "Freed channel structure for \"%s\".", Chan->name );
- /* Invite- und Ban-Lists aufraeumen */
+ /* free invite and ban lists */
Lists_Free( &chan->list_bans );
Lists_Free( &chan->list_invites );
- /* Neu verketten und freigeben */
+ /* maintain channel list */
if( last_chan ) last_chan->next = chan->next;
else My_Channels = chan->next;
free( chan );