Implement local channels (prefix "&")

This patch implements server-local channels, prefix "&", that are only
visible to users of the same local server and not in the network.

Patch written by Scott Perry (2008-06-04), see:
 - http://arthur.barton.de/cgi-bin/bugzilla/show_bug.cgi?id=87
 - http://arthur.barton.de/cgi-bin/bugzilla/attachment.cgi?id=24&action=view
This commit is contained in:
Alexander Barton 2008-11-14 00:42:58 +01:00
parent 7b69bc2ae8
commit 2cc21caf32
7 changed files with 75 additions and 29 deletions

View File

@ -509,7 +509,7 @@ Channel_IsValidName( const char *Name )
if (strlen(Name) <= 1)
return false;
#endif
if (strchr("+#", Name[0]) == NULL)
if (strchr("#&+", Name[0]) == NULL)
return false;
if (strlen(Name) >= CHANNEL_NAME_LEN)
return false;
@ -875,6 +875,11 @@ Remove_Client( int Type, CHANNEL *Chan, CLIENT *Client, CLIENT *Origin, const ch
assert( Origin != NULL );
assert( Reason != NULL );
/* Do not inform other servers if the channel is local to this server,
* regardless of what the caller requested! */
if(InformServer)
InformServer = !Channel_IsLocal(Chan);
last_cl2chan = NULL;
cl2chan = My_Cl2Chan;
while( cl2chan )
@ -896,14 +901,16 @@ Remove_Client( int Type, CHANNEL *Chan, CLIENT *Client, CLIENT *Origin, const ch
switch( Type )
{
case REMOVE_QUIT:
/* QUIT: other servers have already been notified, see Client_Destroy();
* so only inform other clients in same channel. */
/* 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 */
/* User was KICKed: inform other servers (public
* channels) and all users in the channel */
if( InformServer )
IRC_WriteStrServersPrefix( Client_NextHop( Origin ),
Origin, "KICK %s %s :%s", c->name, Client_ID( Client ), Reason);
@ -1062,5 +1069,4 @@ Delete_Channel( CHANNEL *Chan )
return true;
} /* Delete_Channel */
/* -eof- */

View File

@ -124,5 +124,10 @@ GLOBAL bool Channel_AddBan PARAMS((CHANNEL *c, const char *Mask ));
GLOBAL bool Channel_ShowBans PARAMS((CLIENT *client, CHANNEL *c));
GLOBAL bool Channel_ShowInvites PARAMS((CLIENT *client, CHANNEL *c));
#define Channel_IsLocal(c) (Channel_Name(c)[0] == '&')
#endif
/* -eof- */

View File

@ -156,16 +156,24 @@ join_forward(CLIENT *Client, CLIENT *target, CHANNEL *chan,
else
modes[0] = '\0';
/* forward to other servers */
snprintf(str, sizeof(str), "%s%s", channame, modes);
IRC_WriteStrServersPrefixFlag_CB(Client, target, '\0', cb_join_forward, str);
/* forward to other servers (if it is not a local channel) */
if (!Channel_IsLocal(chan)) {
snprintf(str, sizeof(str), "%s%s", channame, modes);
IRC_WriteStrServersPrefixFlag_CB(Client, target, '\0',
cb_join_forward, str);
}
/* tell users in this channel about the new client */
IRC_WriteStrChannelPrefix(Client, chan, target, false, "JOIN :%s", channame);
if (modes[1])
IRC_WriteStrChannelPrefix(Client, chan, target, false, "MODE %s +%s %s",
channame, &modes[1], Client_ID(target));
}
IRC_WriteStrChannelPrefix(Client, chan, target, false,
"JOIN :%s", channame);
/* syncronize channel modes */
if (modes[1]) {
IRC_WriteStrChannelPrefix(Client, chan, target, false,
"MODE %s +%s %s", channame,
&modes[1], Client_ID(target));
}
} /* join_forward */
static bool
@ -423,12 +431,18 @@ IRC_TOPIC( CLIENT *Client, REQUEST *Req )
Client_TypeText(from), Client_Mask(from), Channel_Name(chan),
Req->argv[1][0] ? Req->argv[1] : "<none>");
/* im Channel bekannt machen und an Server weiterleiten */
IRC_WriteStrServersPrefix( Client, from, "TOPIC %s :%s", Req->argv[0], Req->argv[1] );
IRC_WriteStrChannelPrefix( Client, chan, from, false, "TOPIC %s :%s", Req->argv[0], Req->argv[1] );
/* Update channel and forward new topic to other servers */
if (!Channel_IsLocal(chan))
IRC_WriteStrServersPrefix(Client, from, "TOPIC %s :%s",
Req->argv[0], Req->argv[1]);
IRC_WriteStrChannelPrefix(Client, chan, from, false, "TOPIC %s :%s",
Req->argv[0], Req->argv[1]);
if( Client_Type( Client ) == CLIENT_USER ) return IRC_WriteStrClientPrefix( Client, Client, "TOPIC %s :%s", Req->argv[0], Req->argv[1] );
else return CONNECTED;
if (Client_Type(Client) == CLIENT_USER)
return IRC_WriteStrClientPrefix(Client, Client, "TOPIC %s :%s",
Req->argv[0], Req->argv[1]);
else
return CONNECTED;
} /* IRC_TOPIC */

View File

@ -932,7 +932,14 @@ IRC_WHOIS( CLIENT *Client, REQUEST *Req )
cl2chan = Channel_NextChannelOf( c, cl2chan );
/* Secret channel? */
if( strchr( Channel_Modes( chan ), 's' ) && ! Channel_IsMemberOf( chan, Client )) continue;
if (strchr(Channel_Modes(chan), 's')
&& !Channel_IsMemberOf(chan, Client))
continue;
/* Local channel and request is not from a user? */
if (Client_Type(Client) == CLIENT_SERVER
&& Channel_IsLocal(chan))
continue;
/* Concatenate channel names */
if( str[strlen( str ) - 1] != ':' ) strlcat( str, " ", sizeof( str ));

View File

@ -1,6 +1,6 @@
/*
* ngIRCd -- The Next Generation IRC Daemon
* Copyright (c)2001-2005 Alexander Barton (alex@barton.de)
* Copyright (c)2001-2008 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
@ -558,7 +558,15 @@ chan_exit:
the_modes[len] = '\0';
if (Client_Type(Client) == CLIENT_SERVER) {
/* Forward mode changes to channel users and other servers */
/* MODE requests for local channels from other servers
* are definitely invalid! */
if (Channel_IsLocal(Channel)) {
Log(LOG_ALERT, "Got remote MODE command for local channel!? Ignored.");
return CONNECTED;
}
/* Forward mode changes to channel users and all the
* other remote servers: */
IRC_WriteStrServersPrefix(Client, Origin, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args);
IRC_WriteStrChannelPrefix(Client, Channel, Origin, false, "MODE %s %s%s", Channel_Name(Channel), the_modes, the_args);
} else {
@ -567,10 +575,14 @@ chan_exit:
/* Send reply to client and inform other servers and channel users */
ok = IRC_WriteStrClientPrefix(Client, Origin, "MODE %s %s%s",
Channel_Name(Channel), the_modes, the_args);
IRC_WriteStrServersPrefix(Client, Origin, "MODE %s %s%s",
Channel_Name(Channel), the_modes, the_args);
IRC_WriteStrChannelPrefix(Client, Channel, Origin, false, "MODE %s %s%s",
Channel_Name(Channel), the_modes, the_args);
/* Only forward requests for non-local channels */
if (!Channel_IsLocal(Channel))
IRC_WriteStrServersPrefix(Client, Origin,
"MODE %s %s%s", Channel_Name(Channel),
the_modes, the_args);
IRC_WriteStrChannelPrefix(Client, Channel, Origin,
false, "MODE %s %s%s", Channel_Name(Channel),
the_modes, the_args);
}
}

View File

@ -1,6 +1,6 @@
/*
* ngIRCd -- The Next Generation IRC Daemon
* Copyright (c)2001-2004 Alexander Barton <alex@barton.de>
* Copyright (c)2001-2008 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
@ -8,8 +8,6 @@
* (at your option) any later version.
* Please read the file COPYING, README and AUTHORS for more information.
*
* $Id: messages.h,v 1.75 2008/02/17 13:26:42 alex Exp $
*
* IRC numerics (Header)
*/
@ -22,7 +20,7 @@
#define RPL_YOURHOST_MSG "002 %s :Your host is %s, running version ngircd-%s (%s/%s/%s)"
#define RPL_CREATED_MSG "003 %s :This server has been started %s"
#define RPL_MYINFO_MSG "004 %s %s ngircd-%s %s %s"
#define RPL_ISUPPORT1_MSG "005 %s RFC2812 CASEMAPPING=ascii PREFIX=(ov)@+ CHANTYPES=# CHANMODES=bI,k,l,imnPst CHANLIMIT=#:%d :are supported on this server"
#define RPL_ISUPPORT1_MSG "005 %s RFC2812 CASEMAPPING=ascii PREFIX=(ov)@+ CHANTYPES=#&+ CHANMODES=bI,k,l,imnPst CHANLIMIT=#&+:%d :are supported on this server"
#define RPL_ISUPPORT2_MSG "005 %s CHANNELLEN=%d NICKLEN=%d TOPICLEN=%d AWAYLEN=%d KICKLEN=%d PENALTY :are supported on this server"
#define RPL_TRACELINK_MSG "200 %s Link %s-%s %s %s V%s %ld %d %d"

View File

@ -341,6 +341,10 @@ IRC_Num_ENDOFMOTD(CLIENT * Client, UNUSED REQUEST * Req)
/* Announce all channels to the new server */
chan = Channel_First();
while (chan) {
if (Channel_IsLocal(chan)) {
chan = Channel_Next(chan);
continue;
}
#ifdef IRCPLUS
/* Send CHANINFO if the peer supports it */
if (strchr(Client_Flags(Client), 'C')) {