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/*
* 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.
*
* $Id: irc.c,v 1.71 2002/02/27 00:50:05 alex Exp $
*
* irc.c: IRC-Befehle
*
* $Log: irc.c,v $
* Revision 1.71 2002/02/27 00:50:05 alex
* - einige unnoetige Client_NextHop()-Aufrufe entfernt.
* - NAMES korrigiert und komplett implementiert.
*
* Revision 1.70 2002/02/26 22:06:40 alex
* - Nick-Aenderungen werden nun wieder korrekt ins Logfile geschrieben.
*
* Revision 1.69 2002/02/26 20:52:40 alex
* - VERSION wurde falsch weitergeleitet und beantwortet (Prefix nicht beachtet)
*
* Revision 1.68 2002/02/25 17:46:27 alex
* - an User wird nun immer ein "komplettes" Prefix verschickt.
*
* Revision 1.67 2002/02/25 13:21:25 alex
* - WHOIS wird nicht mehr automatisch an den "Original-Server" weiterge-
* leitet: war eh nicht RFC-konform und machte Probleme mit Clients.
*
* Revision 1.66 2002/02/23 21:39:48 alex
* - IRC-Befehl KILL sowie Kills bei Nick Collsisions implementiert.
*
* Revision 1.65 2002/02/23 00:03:54 alex
* - Ergebnistyp von Conn_GetIdle() und Conn_LastPing() auf "time_t" geaendert.
*
* Revision 1.64 2002/02/19 20:06:45 alex
* - User-Registrierung wird nicht mehr als Nick-Aenderung protokolliert,
* - VERSION liefert nun doch wieder den Debug-Status im Reply.
*
* Revision 1.63 2002/02/19 02:21:17 alex
* - der Debug-Level wird bei VERSION nicht mehr geliefert. Grund: a) absolut
* unnoetig und b) Compiler-Fehler, wenn ohne Debug-Code configure'd ;-))
*
* Revision 1.62 2002/02/17 23:38:58 alex
* - neuer IRC-Befehl VERSION implementiert: IRC_VERSION().
*
* Revision 1.61 2002/02/17 19:03:12 alex
* - NICK-Aenderungen wurden dem User selber mit dem falschen Prefix geliefert.
*
* Revision 1.60 2002/02/17 17:43:14 alex
* - Fehlerhafte Modes werden nun ausfuehrlicher an den Client gemeldet.
*
* Revision 1.59 2002/02/17 17:30:21 alex
* - NICK-Aenderungen werden an alle Server und betroffene Clients gemeldet.
* - Neue Funktion IRC_WriteStrRelatedPrefix().
*
* Revision 1.58 2002/02/17 17:18:59 alex
* - NICK korrigiert.
*
* Revision 1.57 2002/02/13 23:05:29 alex
* - Nach Connect eines Users werden LUSERS-Informationen angezeigt.
*
* Revision 1.56 2002/02/13 17:52:27 alex
* - es werden nun Channel- und User-Modes von Usern angenommen.
*
* Revision 1.55 2002/02/12 14:40:37 alex
* - via NJOIN gemeldete Benutzer wurden nicht in Channels bekannt gemacht.
*
* Revision 1.54 2002/02/11 23:33:35 alex
* - weitere Anpassungen an Channel-Modes und Channel-User-Modes.
*
* Revision 1.53 2002/02/11 16:06:21 alex
* - Die Quelle von MODE-Aenderungen wird nun korrekt weitergegeben.
*
* Revision 1.52 2002/02/11 15:52:21 alex
* - PONG an den Server selber wurde faelschlicherweise versucht zu forwarden.
* - Channel-Modes wurden falsch geliefert (als User-Modes).
*
* Revision 1.51 2002/02/11 15:15:53 alex
* - PING und PONG werden nun auch korrekt an andere Server geforwarded.
* - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt.
*
* Revision 1.50 2002/02/11 01:03:20 alex
* - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
* Modes werden besser geforwarded, lokale User, fuer die ein Channel
* angelegt wird, werden Channel-Operator, etc. pp. ...
* - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
*
* Revision 1.49 2002/02/06 16:51:22 alex
* - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
*
* Revision 1.48 2002/01/29 00:13:45 alex
* - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
* - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
* LINKS wieder korrekt.
*
* Revision 1.47 2002/01/28 13:05:48 alex
* - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
* - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
*
* Revision 1.46 2002/01/28 01:45:43 alex
* - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
*
* Revision 1.45 2002/01/28 01:18:14 alex
* - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
*
* Revision 1.44 2002/01/28 00:55:08 alex
* - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
*
* Revision 1.43 2002/01/27 21:56:39 alex
* - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
* - einige kleinere Fixes bezueglich Channels ...
*
* Revision 1.42 2002/01/27 18:28:01 alex
* - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
*
* Revision 1.41 2002/01/27 17:15:49 alex
* - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
* IRC_WriteStrChannelPrefix(),
* - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
*
* Revision 1.40 2002/01/26 18:43:11 alex
* - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
* die IRC_Write_xxx_Related() sind dafuer entfallen.
* - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
*
* Revision 1.39 2002/01/21 00:05:11 alex
* - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
* IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
* - diverse Aenderungen im Zusammenhang mit Channels.
*
* Revision 1.38 2002/01/18 15:31:32 alex
* - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
*
* Revision 1.37 2002/01/16 22:10:18 alex
* - IRC_LUSERS() implementiert.
*
* Revision 1.36 2002/01/11 23:50:55 alex
* - LINKS implementiert, LUSERS begonnen.
*
* Revision 1.35 2002/01/09 21:30:45 alex
* - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
*
* Revision 1.34 2002/01/09 01:09:58 alex
* - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
* - andere Server werden nun ueber bisherige Server und User informiert.
*
* Revision 1.33 2002/01/07 23:42:12 alex
* - Es werden fuer alle Server eigene Token generiert,
* - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
* - ebenso NICK-Befehle, die "fremde" User einfuehren.
*
* Revision 1.32 2002/01/07 16:02:36 alex
* - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
* - Im Debug-Mode werden nun auch PING's protokolliert.
*
* Revision 1.31 2002/01/07 15:39:46 alex
* - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
* - MODE und NICK melden nun die Aenderungen an andere Server.
*
* Revision 1.30 2002/01/06 15:21:29 alex
* - Loglevel und Meldungen nochmals ueberarbeitet.
* - QUIT und SQUIT forwarden nun den Grund der Trennung,
* - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
*
* Revision 1.29 2002/01/05 23:24:54 alex
* - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
* - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
*
* Revision 1.28 2002/01/05 20:08:02 alex
* - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
* - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
*
* Revision 1.27 2002/01/05 19:15:03 alex
* - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
*
* Revision 1.26 2002/01/05 16:51:18 alex
* - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
*
* Revision 1.25 2002/01/05 00:48:33 alex
* - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
*
* Revision 1.24 2002/01/04 17:58:44 alex
* - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
* - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
*
* Revision 1.23 2002/01/04 01:36:40 alex
* - Loglevel ein wenig angepasst.
*
* Revision 1.22 2002/01/04 01:21:47 alex
* - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
* - Weitere Anpassungen und Erweiterungen der Server-Links.
*
* Revision 1.21 2002/01/03 02:26:51 alex
* - neue Befehle SERVER und NJOIN begonnen,
* - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
*
* Revision 1.20 2002/01/02 12:46:41 alex
* - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
*
* Revision 1.19 2002/01/02 02:51:39 alex
* - Copyright-Texte angepasst.
* - neuer Befehl "ERROR".
*
* Revision 1.17 2001/12/31 15:33:13 alex
* - neuer Befehl NAMES, kleinere Bugfixes.
* - Bug bei PING behoben: war zu restriktiv implementiert :-)
*
* Revision 1.16 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 1.15 2001/12/30 19:26:11 alex
* - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
*
* Revision 1.14 2001/12/30 11:42:00 alex
* - der Server meldet nun eine ordentliche "Start-Zeit".
*
* Revision 1.13 2001/12/29 03:10:06 alex
* - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
* - neue configure-Optione "--enable-strict-rfc".
*
* Revision 1.12 2001/12/27 19:17:26 alex
* - neue Befehle PRIVMSG, NOTICE, PING.
*
* Revision 1.11 2001/12/27 16:55:41 alex
* - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
*
* Revision 1.10 2001/12/26 22:48:53 alex
* - MOTD-Datei ist nun konfigurierbar und wird gelesen.
*
* Revision 1.9 2001/12/26 14:45:37 alex
* - "Code Cleanups".
*
* Revision 1.8 2001/12/26 03:21:46 alex
* - PING/PONG-Befehle implementiert,
* - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
*
* Revision 1.7 2001/12/25 23:25:18 alex
* - und nochmal Aenderungen am Logging ;-)
*
* Revision 1.6 2001/12/25 23:13:33 alex
* - Debug-Meldungen angepasst.
*
* Revision 1.5 2001/12/25 22:02:42 alex
* - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
*
* Revision 1.4 2001/12/25 19:19:30 alex
* - bessere Fehler-Abfragen, diverse Bugfixes.
* - Nicks werden nur einmal vergeben :-)
* - /MOTD wird unterstuetzt.
*
* Revision 1.3 2001/12/24 01:34:06 alex
* - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
* - MOTD-Ausgabe begonnen zu implementieren.
*
* Revision 1.2 2001/12/23 21:57:16 alex
* - erste IRC-Befehle zu implementieren begonnen.
*
* Revision 1.1 2001/12/14 08:13:43 alex
* - neues Modul begonnen :-)
*/
#include <portab.h>
#include "global.h"
#include <imp.h>
#include <assert.h>
#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ngircd.h"
#include "channel.h"
#include "client.h"
#include "conf.h"
#include "conn.h"
#include "log.h"
#include "messages.h"
#include "parse.h"
#include "tool.h"
#include <exp.h>
#include "irc.h"
#define CONNECTED TRUE
#define DISCONNECTED FALSE
LOCAL BOOLEAN Hello_User( CLIENT *Client );
LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason );
LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
LOCAL BOOLEAN Send_LUSERS( CLIENT *Client );
CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client );
GLOBAL VOID IRC_Init( VOID )
{
} /* IRC_Init */
GLOBAL VOID IRC_Exit( VOID )
{
} /* IRC_Exit */
GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
{
CHAR buffer[1000];
BOOLEAN ok = CONNECTED;
va_list ap;
assert( Client != NULL );
assert( Format != NULL );
va_start( ap, Format );
vsnprintf( buffer, 1000, Format, ap );
va_end( ap );
/* an den Client selber */
ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
return ok;
} /* IRC_WriteStrClient */
GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
{
/* Text an Clients, lokal bzw. remote, senden. */
CHAR buffer[1000];
va_list ap;
assert( Client != NULL );
assert( Format != NULL );
assert( Prefix != NULL );
va_start( ap, Format );
vsnprintf( buffer, 1000, Format, ap );
va_end( ap );
return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Get_Prefix( Client_NextHop( Client ), Prefix ), buffer );
} /* IRC_WriteStrClientPrefix */
GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
{
CHAR buffer[1000];
va_list ap;
assert( Client != NULL );
assert( Format != NULL );
va_start( ap, Format );
vsnprintf( buffer, 1000, Format, ap );
va_end( ap );
return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
} /* IRC_WriteStrChannel */
GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
{
BOOLEAN sock[MAX_CONNECTIONS], is_server[MAX_CONNECTIONS], ok = CONNECTED;
CHAR buffer[1000];
CL2CHAN *cl2chan;
CLIENT *c;
INT s, i;
va_list ap;
assert( Client != NULL );
assert( Chan != NULL );
assert( Prefix != NULL );
assert( Format != NULL );
va_start( ap, Format );
vsnprintf( buffer, 1000, Format, ap );
va_end( ap );
for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
/* An alle Clients, die in den selben Channels sind.
* Dabei aber nur einmal je Remote-Server */
cl2chan = Channel_FirstMember( Chan );
while( cl2chan )
{
c = Channel_GetClient( cl2chan );
if( ! Remote )
{
if( Client_Conn( c ) <= NONE ) c = NULL;
else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
}
if( c ) c = Client_NextHop( c );
if( c && ( c != Client ))
{
/* Ok, anderer Client */
s = Client_Conn( c );
assert( s >= 0 );
assert( s < MAX_CONNECTIONS );
sock[s] = TRUE;
if( Client_Type( c ) == CLIENT_SERVER ) is_server[s] = TRUE;
else is_server[s] = FALSE;
}
cl2chan = Channel_NextMember( Chan, cl2chan );
}
/* Senden ... */
for( i = 0; i < MAX_CONNECTIONS; i++ )
{
if( sock[i] )
{
if( is_server[i] ) ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
else ok = Conn_WriteStr( i, ":%s %s", Client_Mask( Prefix ), buffer );
if( ! ok ) break;
}
}
return ok;
} /* IRC_WriteStrChannelPrefix */
GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
{
CHAR buffer[1000];
va_list ap;
assert( Format != NULL );
va_start( ap, Format );
vsnprintf( buffer, 1000, Format, ap );
va_end( ap );
/* an den Client selber */
return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
} /* IRC_WriteStrServers */
GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
{
CHAR buffer[1000];
CLIENT *c;
va_list ap;
assert( Format != NULL );
assert( Prefix != NULL );
va_start( ap, Format );
vsnprintf( buffer, 1000, Format, ap );
va_end( ap );
c = Client_First( );
while( c )
{
if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
{
/* Ziel-Server gefunden */
IRC_WriteStrClientPrefix( c, Prefix, buffer );
}
c = Client_Next( c );
}
} /* IRC_WriteStrServersPrefix */
GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
{
BOOLEAN sock[MAX_CONNECTIONS], is_server[MAX_CONNECTIONS], ok = CONNECTED;
CL2CHAN *chan_cl2chan, *cl2chan;
CHAR buffer[1000];
CHANNEL *chan;
va_list ap;
CLIENT *c;
INT i, s;
assert( Client != NULL );
assert( Prefix != NULL );
assert( Format != NULL );
va_start( ap, Format );
vsnprintf( buffer, 1000, Format, ap );
va_end( ap );
/* initialisieren */
for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
/* An alle Clients, die in einem Channel mit dem "Ausloeser" sind,
* den Text schicken. An Remote-Server aber jeweils nur einmal. */
chan_cl2chan = Channel_FirstChannelOf( Client );
while( chan_cl2chan )
{
/* Channel des Users durchsuchen */
chan = Channel_GetChannel( chan_cl2chan );
cl2chan = Channel_FirstMember( chan );
while( cl2chan )
{
c = Channel_GetClient( cl2chan );
if( ! Remote )
{
if( Client_Conn( c ) <= NONE ) c = NULL;
else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
}
if( c ) c = Client_NextHop( c );
if( c && ( c != Client ))
{
/* Ok, anderer Client */
s = Client_Conn( c );
assert( s >= 0 );
assert( s < MAX_CONNECTIONS );
sock[s] = TRUE;
if( Client_Type( c ) == CLIENT_SERVER ) is_server[s] = TRUE;
else is_server[s] = FALSE;
}
cl2chan = Channel_NextMember( chan, cl2chan );
}
/* naechsten Channel */
chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan );
}
/* Senden ... */
for( i = 0; i < MAX_CONNECTIONS; i++ )
{
if( sock[i] )
{
if( is_server[i] ) ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
else ok = Conn_WriteStr( i, ":%s %s", Client_Mask( Prefix ), buffer );
if( ! ok ) break;
}
}
return ok;
} /* IRC_WriteStrRelatedPrefix */
GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
{
assert( Client != NULL );
assert( Req != NULL );
/* Fehler liefern, wenn kein lokaler Client */
if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
{
/* noch nicht registrierte unbekannte Verbindung */
Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
/* Passwort speichern */
Client_SetPassword( Client, Req->argv[0] );
Client_SetType( Client, CLIENT_GOTPASS );
return CONNECTED;
}
else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
{
/* noch nicht registrierte Server-Verbindung */
Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
/* Passwort speichern */
Client_SetPassword( Client, Req->argv[0] );
Client_SetType( Client, CLIENT_GOTPASSSERVER );
return CONNECTED;
}
else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
{
/* Falsche Anzahl Parameter? */
return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
}
else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
} /* IRC_PASS */
GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
{
CHAR str[LINE_LEN], *ptr;
CLIENT *from, *c, *cl;
CL2CHAN *cl2chan;
INT max_hops, i;
CHANNEL *chan;
BOOLEAN ok;
assert( Client != NULL );
assert( Req != NULL );
/* Fehler liefern, wenn kein lokaler Client */
if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
{
/* Verbindung soll als Server-Server-Verbindung registriert werden */
Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
/* Falsche Anzahl Parameter? */
if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* Ist dieser Server bei uns konfiguriert? */
for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
if( i >= Conf_Server_Count )
{
/* Server ist nicht konfiguriert! */
Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
return DISCONNECTED;
}
if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
{
/* Falsches Passwort */
Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
return DISCONNECTED;
}
/* Ist ein Server mit dieser ID bereits registriert? */
if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
/* Server-Strukturen fuellen ;-) */
Client_SetID( Client, Req->argv[0] );
Client_SetHops( Client, 1 );
Client_SetInfo( Client, Req->argv[Req->argc - 1] );
/* Meldet sich der Server bei uns an? */
if( Req->argc == 2 )
{
/* Unseren SERVER- und PASS-Befehl senden */
ok = TRUE;
if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
if( ! ok )
{
Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
return DISCONNECTED;
}
Client_SetIntroducer( Client, Client );
Client_SetToken( Client, 1 );
}
else Client_SetToken( Client, atoi( Req->argv[1] ));
Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
Client_SetType( Client, CLIENT_SERVER );
/* maximalen Hop Count ermitteln */
max_hops = 0;
c = Client_First( );
while( c )
{
if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
c = Client_Next( c );
}
/* Alle bisherigen Server dem neuen Server bekannt machen,
* die bisherigen Server ueber den neuen informierenn */
for( i = 0; i < ( max_hops + 1 ); i++ )
{
c = Client_First( );
while( c )
{
if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
{
if( Client_Conn( c ) > NONE )
{
/* Dem gefundenen Server gleich den neuen
* Server bekannt machen */
if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
}
/* Den neuen Server ueber den alten informieren */
if( ! IRC_WriteStrClientPrefix( Client, Client_Hops( c ) == 1 ? Client_ThisServer( ) : Client_Introducer( c ), "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ))) return DISCONNECTED;
}
c = Client_Next( c );
}
}
/* alle User dem neuen Server bekannt machen */
c = Client_First( );
while( c )
{
if( Client_Type( c ) == CLIENT_USER )
{
/* User an neuen Server melden */
if( ! IRC_WriteStrClient( Client, "NICK %s %d %s %s %d +%s :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_User( c ), Client_Hostname( c ), Client_MyToken( Client_Introducer( c )), Client_Modes( c ), Client_Info( c ))) return DISCONNECTED;
}
c = Client_Next( c );
}
/* Channels dem neuen Server bekannt machen */
chan = Channel_First( );
while( chan )
{
sprintf( str, "NJOIN %s :", Channel_Name( chan ));
/* alle Member suchen */
cl2chan = Channel_FirstMember( chan );
while( cl2chan )
{
cl = Channel_GetClient( cl2chan );
assert( cl != NULL );
/* Nick, ggf. mit Modes, anhaengen */
if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
strcat( str, Client_ID( cl ));
if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
{
/* Zeile senden */
if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
sprintf( str, "NJOIN %s :", Channel_Name( chan ));
}
cl2chan = Channel_NextMember( chan, cl2chan );
}
/* noch Daten da? */
if( str[strlen( str ) - 1] != ':')
{
/* Ja; Also senden ... */
if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
}
/* naechsten Channel suchen */
chan = Channel_Next( chan );
}
return CONNECTED;
}
else if( Client_Type( Client ) == CLIENT_SERVER )
{
/* Neuer Server wird im Netz angekuendigt */
/* Falsche Anzahl Parameter? */
if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* Ist ein Server mit dieser ID bereits registriert? */
if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
/* Ueberfluessige Hostnamen aus Info-Text entfernen */
ptr = strchr( Req->argv[3] + 2, '[' );
if( ! ptr ) ptr = Req->argv[3];
from = Client_GetFromID( Req->prefix );
if( ! from )
{
/* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
return DISCONNECTED;
}
/* Neue Client-Struktur anlegen */
c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
if( ! c )
{
/* Neue Client-Struktur konnte nicht angelegt werden */
Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
return DISCONNECTED;
}
/* Log-Meldung zusammenbauen und ausgeben */
if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
else strcpy( str, "" );
Log( LOG_NOTICE, "Server \"%s\" registered (via %s, %s%d hop%s).", Client_ID( c ), Client_ID( Client ), str, Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" );
/* Andere Server informieren */
IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
return CONNECTED;
}
else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
} /* IRC_SERVER */
GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
{
CHAR *channame, *ptr, modes[8];
BOOLEAN is_op, is_voiced;
CHANNEL *chan;
CLIENT *c;
assert( Client != NULL );
assert( Req != NULL );
if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
/* Falsche Anzahl Parameter? */
if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
channame = Req->argv[0];
ptr = strtok( Req->argv[1], "," );
while( ptr )
{
is_op = is_voiced = FALSE;
/* Prefixe abschneiden */
while(( *ptr == '@' ) || ( *ptr == '+' ))
{
if( *ptr == '@' ) is_op = TRUE;
if( *ptr == '+' ) is_voiced = TRUE;
ptr++;
}
c = Client_GetFromID( ptr );
if( c )
{
Channel_Join( c, channame );
chan = Channel_Search( channame );
assert( chan != NULL );
if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
/* im Channel bekannt machen */
IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
/* Channel-User-Modes setzen */
strcpy( modes, Channel_UserModes( chan, c ));
if( modes[0] )
{
/* Modes im Channel bekannt machen */
IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c ));
}
}
else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
/* naechsten Nick suchen */
ptr = strtok( NULL, "," );
}
/* an andere Server weiterleiten */
IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
return CONNECTED;
} /* IRC_NJOIN */
GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
{
CLIENT *intr_c, *target, *c;
CHAR *modes;
assert( Client != NULL );
assert( Req != NULL );
/* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
#ifndef STRICT_RFC
if( Client_Type( Client ) == CLIENT_UNKNOWN || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTUSER || Client_Type( Client ) == CLIENT_USER || ( Client_Type( Client ) == CLIENT_SERVER && Req->argc == 1 ))
#else
if( Client_Type( Client ) == CLIENT_UNKNOWN || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_USER || ( Client_Type( Client ) == CLIENT_SERVER && Req->argc == 1 ))
#endif
{
/* User-Registrierung bzw. Nick-Aenderung */
/* Falsche Anzahl Parameter? */
if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* "Ziel-Client" ermitteln */
if( Client_Type( Client ) == CLIENT_SERVER )
{
target = Client_GetFromID( Req->prefix );
if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
}
else
{
/* Ist der Client "restricted"? */
if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
target = Client;
}
#ifndef STRICT_RFC
/* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
* wir nichts. So macht es das Original und mind. Snak hat probleme,
* wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
#endif
/* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
* will nur die Gross- und Kleinschreibung aendern. Das darf
* er natuerlich machen :-) */
if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
{
if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
}
/* Nick-Aenderung: allen mitteilen! */
if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClientPrefix( Client, Client, "NICK :%s", Req->argv[0] );
IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] );
if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
{
/* Neuer Client */
Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
else Client_SetType( Client, CLIENT_GOTNICK );
}
else Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
/* Client-Nick registrieren */
Client_SetID( target, Req->argv[0] );
return CONNECTED;
}
else if( Client_Type( Client ) == CLIENT_SERVER )
{
/* Server fuehrt neuen Client ein */
/* Falsche Anzahl Parameter? */
if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* Nick ueberpruefen */
c = Client_GetFromID( Req->argv[0] );
if( c )
{
/* Der neue Nick ist auf diesem Server bereits registriert:
* sowohl der neue, als auch der alte Client muessen nun
* disconnectiert werden. */
Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
Kill_Nick( Req->argv[0], "Nick collision" );
return CONNECTED;
}
/* Server, zu dem der Client connectiert ist, suchen */
intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
if( ! intr_c )
{
Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
Kill_Nick( Req->argv[0], "Unknown server" );
return CONNECTED;
}
/* Neue Client-Struktur anlegen */
c = Client_NewRemoteUser( intr_c, Req->argv[0], atoi( Req->argv[1] ), Req->argv[2], Req->argv[3], atoi( Req->argv[4] ), Req->argv[5] + 1, Req->argv[6], TRUE );
if( ! c )
{
/* Eine neue Client-Struktur konnte nicht angelegt werden.
* Der Client muss disconnectiert werden, damit der Netz-
* status konsistent bleibt. */
Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
Kill_Nick( Req->argv[0], "Server error" );
return CONNECTED;
}
modes = Client_Modes( c );
if( *modes ) Log( LOG_DEBUG, "User \"%s\" (+%s) registered (via %s, on %s, %d hop%s).", Client_Mask( c ), modes, Client_ID( Client ), Client_ID( intr_c ), Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" );
else Log( LOG_DEBUG, "User \"%s\" registered (via %s, on %s, %d hop%s).", Client_Mask( c ), Client_ID( Client ), Client_ID( intr_c ), Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" );
/* Andere Server, ausser dem Introducer, informieren */
IRC_WriteStrServersPrefix( Client, Client, "NICK %s %d %s %s %d %s :%s", Req->argv[0], atoi( Req->argv[1] ) + 1, Req->argv[2], Req->argv[3], Client_MyToken( intr_c ), Req->argv[5], Req->argv[6] );
return CONNECTED;
}
else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
} /* IRC_NICK */
GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
{
assert( Client != NULL );
assert( Req != NULL );
#ifndef STRICT_RFC
if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
#else
if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
#endif
{
/* Falsche Anzahl Parameter? */
if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
Client_SetUser( Client, Req->argv[0], FALSE );
Client_SetInfo( Client, Req->argv[3] );
Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
else Client_SetType( Client, CLIENT_GOTUSER );
return CONNECTED;
}
else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
{
return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
}
else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
} /* IRC_USER */
GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
{
CLIENT *target;
assert( Client != NULL );
assert( Req != NULL );
if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
{
/* User / Service */
/* Falsche Anzahl Parameter? */
if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
return DISCONNECTED;
}
else if ( Client_Type( Client ) == CLIENT_SERVER )
{
/* Server */
/* Falsche Anzahl Parameter? */
if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
target = Client_Search( Req->prefix );
if( ! target )
{
Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
return CONNECTED;
}
if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
return CONNECTED;
}
else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
} /* IRC_QUIT */
GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
{
CLIENT *target;
assert( Client != NULL );
assert( Req != NULL );
/* SQUIT ist nur fuer Server erlaubt */
if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
/* Falsche Anzahl Parameter? */
if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
target = Client_GetFromID( Req->argv[0] );
if( ! target )
{
Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
return CONNECTED;
}
if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
/* SQUIT an alle Server weiterleiten */
IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
if( Client_Conn( target ) > NONE )
{
if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
return DISCONNECTED;
}
else
{
Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
return CONNECTED;
}
} /* IRC_SQUIT */
GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
{
CLIENT *target, *from;
assert( Client != NULL );
assert( Req != NULL );
if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
/* Falsche Anzahl Parameter? */
if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
if( Req->argc == 2 )
{
/* es wurde ein Ziel-Client angegeben */
target = Client_GetFromID( Req->argv[1] );
if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
if( target != Client_ThisServer( ))
{
/* ok, forwarden */
if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
else from = Client;
if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
return IRC_WriteStrClientPrefix( target, from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
}
}
Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
} /* IRC_PING */
GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
{
CLIENT *target, *from;
assert( Client != NULL );
assert( Req != NULL );
if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
/* Falsche Anzahl Parameter? */
if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* forwarden? */
if( Req->argc == 2 )
{
target = Client_GetFromID( Req->argv[1] );
if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
if( target != Client_ThisServer( ))
{
/* ok, forwarden */
if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
else from = Client;
if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
return IRC_WriteStrClientPrefix( target, from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
}
}
/* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
* aktualisiert, daher muss das hier nicht mehr gemacht werden. */
if( Client_Conn( Client ) > NONE ) Log( LOG_DEBUG, "Connection %d: received PONG. Lag: %ld seconds.", Client_Conn( Client ), time( NULL ) - Conn_LastPing( Client_Conn( Client )));
else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
return CONNECTED;
} /* IRC_PONG */
GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
{
assert( Client != NULL );
assert( Req != NULL );
if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
/* Falsche Anzahl Parameter? */
if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
return Show_MOTD( Client );
} /* IRC_MOTD */
GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
{
CLIENT *to, *from;
CHANNEL *chan;
assert( Client != NULL );
assert( Req != NULL );
if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
/* Falsche Anzahl Parameter? */
if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
else from = Client;
if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
to = Client_Search( Req->argv[0] );
if( to )
{
/* Okay, Ziel ist ein User */
if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
}
chan = Channel_Search( Req->argv[0] );
if( chan )
{
/* Okay, Ziel ist ein Channel */
if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
}
return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
} /* IRC_PRIVMSG */
GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
{
CLIENT *to, *from;
assert( Client != NULL );
assert( Req != NULL );
if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
/* Falsche Anzahl Parameter? */
if( Req->argc != 2 ) return CONNECTED;
if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
else from = Client;
if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
to = Client_Search( Req->argv[0] );
if( to )
{
/* Okay, Ziel ist ein User */
return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
}
else return CONNECTED;
} /* IRC_NOTICE */
GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
{
CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
CLIENT *cl, *chan_cl, *prefix;
BOOLEAN set, ok;
CHANNEL *chan;
assert( Client != NULL );
assert( Req != NULL );
cl = chan_cl = prefix = NULL;
chan = NULL;
/* Valider Client? */
if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
/* Keine Parameter? */
if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* Ziel suchen: Client bzw. Channel */
if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
/* Kein Ziel gefunden? */
if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
assert(( cl && chan ) != TRUE );
/* Falsche Anzahl Parameter? */
if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
if(( chan ) && (Req->argc == 3 ))
{
chan_cl = Client_Search( Req->argv[2] );
if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
}
/* Wenn Anfragender ein User ist: Zugriff erlaubt? */
if( Client_Type( Client ) == CLIENT_USER )
{
if( cl )
{
/* MODE ist nur fuer sich selber zulaessig! */
if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
}
if( chan )
{
/* Darf der User die Channel-Modes ermitteln? */
}
}
/* Werden die Modes "nur" erfragt? */
if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
mode_ptr = Req->argv[1];
/* Sollen Modes gesetzt oder geloescht werden? */
if( cl )
{
if( *mode_ptr == '+' ) set = TRUE;
else if( *mode_ptr == '-' ) set = FALSE;
else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
mode_ptr++;
}
else
{
if( *mode_ptr == '-' ) set = FALSE;
else set = TRUE;
if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
}
/* Prefix fuer Antworten etc. ermitteln */
if( Client_Type( Client ) == CLIENT_SERVER )
{
prefix = Client_GetFromID( Req->prefix );
if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
}
else prefix = Client;
/* Reply-String mit Aenderungen vorbereiten */
if( set ) strcpy( the_modes, "+" );
else strcpy( the_modes, "-" );
ok = TRUE;
x[1] = '\0';
while( *mode_ptr )
{
x[0] = '\0';
if( Client_Type( Client ) == CLIENT_SERVER )
{
/* Befehl kommt von einem Server, daher
* trauen wir ihm "unbesehen" ... */
x[0] = *mode_ptr;
}
else
{
/* Modes validieren */
if( cl )
{
/* User-Modes */
switch( *mode_ptr )
{
case 'i':
/* invisible */
x[0] = 'i';
break;
case 'r':
/* restricted (kann nur gesetzt werden) */
if( set ) x[0] = 'r';
else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
break;
case 'o':
/* operator (kann nur geloescht werden) */
if( ! set )
{
Client_SetOperByMe( Client, FALSE );
x[0] = 'o';
}
else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
break;
default:
Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
x[0] = '\0';
}
}
if( chan )
{
/* Ist der User ein Channel Operator? */
if( ! strchr( Channel_UserModes( chan, Client ), 'o' ))
{
Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
break;
}
/* Channel-Modes oder Channel-User-Modes */
if( chan_cl )
{
/* Channel-User-Modes */
switch( *mode_ptr )
{
case 'o':
/* Channel Operator */
x[0] = 'o';
break;
case 'v':
/* Voice */
x[0] = 'v';
break;
default:
Log( LOG_DEBUG, "Unknown channel-user-mode \"%c%c\" from \"%s\" on \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Client_ID( chan_cl ), Channel_Name( chan ));
ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
x[0] = '\0';
}
}
else
{
/* Channel-Modes */
switch( *mode_ptr )
{
case 'a':
/* Anonymous */
x[0] = 'a';
break;
case 'm':
/* Moderated */
x[0] = 'm';
break;
case 'n':
/* kein Schreiben in den Channel von aussen */
x[0] = 'n';
break;
case 'p':
/* Private */
x[0] = 'p';
break;
case 'q':
/* Quite */
x[0] = 'q';
break;
case 's':
/* Secret */
x[0] = 's';
break;
case 't':
/* Topic Lock */
x[0] = 't';
break;
default:
Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
x[0] = '\0';
}
}
}
}
if( ! ok ) break;
mode_ptr++;
if( ! x[0] ) continue;
/* Okay, gueltigen Mode gefunden */
if( cl )
{
/* Es geht um User-Modes */
if( set )
{
/* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
}
else
{
/* Modes geloescht. Wenn der Client ihn hatte: merken */
if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
}
}
if( chan )
{
/* Es geht um Channel-Modes oder Channel-User-Modes */
if( chan_cl )
{
/* Channel-User-Modes */
if( set )
{
/* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
}
else
{
/* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
}
}
else
{
/* Channel-Mode */
if( set )
{
/* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
}
else
{
/* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
}
}
}
}
/* Wurden Modes geaendert? */
if( the_modes[1] )
{
if( cl )
{
/* Client-Mode */
if( Client_Type( Client ) == CLIENT_SERVER )
{
/* Modes an andere Server forwarden */
IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
}
else
{
/* Bestaetigung an Client schicken & andere Server informieren */
ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
}
Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
}
if( chan )
{
/* Channel-Modes oder Channel-User-Mode */
if( chan_cl )
{
/* Channel-User-Mode */
if( Client_Type( Client ) == CLIENT_SERVER )
{
/* Modes an andere Server und Channel-User forwarden */
IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
}
else
{
/* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
}
Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
}
else
{
/* Channel-Mode */
if( Client_Type( Client ) == CLIENT_SERVER )
{
/* Modes an andere Server und Channel-User forwarden */
IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
}
else
{
/* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
}
Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
}
}
}
return ok;
} /* IRC_MODE */
GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
{
INT i;
assert( Client != NULL );
assert( Req != NULL );
if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
/* Falsche Anzahl Parameter? */
if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* Operator suchen */
for( i = 0; i < Conf_Oper_Count; i++)
{
if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
}
if( i >= Conf_Oper_Count )
{
Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
}
/* Stimmt das Passwort? */
if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
{
Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
}
if( ! Client_HasMode( Client, 'o' ))
{
/* noch kein o-Mode gesetzt */
Client_ModeAdd( Client, 'o' );
if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
}
if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
Client_SetOperByMe( Client, TRUE );
return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
} /* IRC_OPER */
GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
{
assert( Client != NULL );
assert( Req != NULL );
if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
/* Falsche Anzahl Parameter? */
if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
NGIRCd_Quit = TRUE;
return CONNECTED;
} /* IRC_DIE */
GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
{
assert( Client != NULL );
assert( Req != NULL );
if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
/* Falsche Anzahl Parameter? */
if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
NGIRCd_Restart = TRUE;
return CONNECTED;
} /* IRC_RESTART */
GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
{
CHAR rpl[COMMAND_LEN], *ptr;
CLIENT *target, *from, *c;
CHANNEL *chan;
assert( Client != NULL );
assert( Req != NULL );
if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
/* Falsche Anzahl Parameter? */
if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* From aus Prefix ermitteln */
if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
else from = Client;
if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
if( Req->argc == 2 )
{
/* an anderen Server forwarden */
target = Client_GetFromID( Req->argv[1] );
if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
if( target != Client_ThisServer( ))
{
/* Ok, anderer Server ist das Ziel: forwarden */
return IRC_WriteStrClientPrefix( target, from, "NAMES %s :%s", Req->argv[0], Req->argv[1] );
}
}
if( Req->argc > 0 )
{
/* bestimmte Channels durchgehen */
ptr = strtok( Req->argv[0], "," );
while( ptr )
{
chan = Channel_Search( ptr );
if( chan )
{
/* Namen ausgeben */
if( ! Send_NAMES( from, chan )) return DISCONNECTED;
}
if( ! IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), ptr )) return DISCONNECTED;
/* naechsten Namen ermitteln */
ptr = strtok( NULL, "," );
}
return CONNECTED;
}
/* alle Channels durchgehen */
chan = Channel_First( );
while( chan )
{
/* Namen ausgeben */
if( ! Send_NAMES( from, chan )) return DISCONNECTED;
/* naechster Channel */
chan = Channel_Next( chan );
}
c = Client_First( );
sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
while( c )
{
if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ))
{
/* Okay, das ist ein User: anhaengen */
if( rpl[strlen( rpl ) - 1] != ':' ) strcat( rpl, " " );
strcat( rpl, Client_ID( c ));
if( strlen( rpl ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
{
/* Zeile wird zu lang: senden! */
if( ! IRC_WriteStrClient( from, rpl )) return DISCONNECTED;
sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
}
}
/* naechster Client */
c = Client_Next( c );
}
if( rpl[strlen( rpl ) - 1] != ':')
{
/* es wurden User gefunden */
if( ! IRC_WriteStrClient( from, rpl )) return DISCONNECTED;
}
return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" );
} /* IRC_NAMES */
GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
{
CHAR rpl[COMMAND_LEN];
CLIENT *c;
CHAR *ptr;
INT i;
assert( Client != NULL );
assert( Req != NULL );
if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
/* Falsche Anzahl Parameter? */
if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
strcpy( rpl, RPL_ISON_MSG );
for( i = 0; i < Req->argc; i++ )
{
ptr = strtok( Req->argv[i], " " );
while( ptr )
{
ngt_TrimStr( ptr );
c = Client_GetFromID( ptr );
if( c && ( Client_Type( c ) == CLIENT_USER ))
{
/* Dieser Nick ist "online" */
strcat( rpl, ptr );
strcat( rpl, " " );
}
ptr = strtok( NULL, " " );
}
}
if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
} /* IRC_ISON */
GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
{
CLIENT *from, *target, *c;
CHAR str[LINE_LEN + 1], *ptr = NULL;
CL2CHAN *cl2chan;
CHANNEL *chan;
assert( Client != NULL );
assert( Req != NULL );
if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
/* Falsche Anzahl Parameter? */
if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* Client suchen */
c = Client_GetFromID( Req->argv[Req->argc - 1] );
if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
/* Empfaenger des WHOIS suchen */
if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
else from = Client;
if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
/* Forwarden an anderen Server? */
if( Req->argc > 1 )
{
/* angegebenen Ziel-Server suchen */
target = Client_GetFromID( Req->argv[1] );
if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
ptr = Req->argv[1];
}
else target = Client_ThisServer( );
assert( target != NULL );
if(( Client_NextHop( target ) != Client_ThisServer( )) && ( Client_Type( Client_NextHop( target )) == CLIENT_SERVER )) return IRC_WriteStrClientPrefix( target, from, "WHOIS %s :%s", Req->argv[0], ptr );
/* Nick, User und Name */
if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
/* Server */
if( ! IRC_WriteStrClient( from, RPL_WHOISSERVER_MSG, Client_ID( from ), Client_ID( c ), Client_ID( Client_Introducer( c )), Client_Info( Client_Introducer( c )))) return DISCONNECTED;
/* Channels */
sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
cl2chan = Channel_FirstChannelOf( c );
while( cl2chan )
{
chan = Channel_GetChannel( cl2chan );
assert( chan != NULL );
/* Channel-Name anhaengen */
if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
strcat( str, Channel_Name( chan ));
if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
{
/* Zeile wird zu lang: senden! */
if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
}
/* naechstes Mitglied suchen */
cl2chan = Channel_NextChannelOf( c, cl2chan );
}
if( str[strlen( str ) - 1] != ':')
{
/* Es sind noch Daten da, die gesendet werden muessen */
if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
}
/* IRC-Operator? */
if( Client_HasMode( c, 'o' ))
{
if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
}
/* Idle (nur lokale Clients) */
if( Client_Conn( c ) > NONE )
{
if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
}
/* End of Whois */
return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
} /* IRC_WHOIS */
GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
{
CHAR rpl[COMMAND_LEN];
CLIENT *c;
INT max, i;
assert( Client != NULL );
assert( Req != NULL );
if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
/* Falsche Anzahl Parameter? */
if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
if( Req->argc > 5 ) max = 5;
else max = Req->argc;
strcpy( rpl, RPL_USERHOST_MSG );
for( i = 0; i < max; i++ )
{
c = Client_GetFromID( Req->argv[i] );
if( c && ( Client_Type( c ) == CLIENT_USER ))
{
/* Dieser Nick ist "online" */
strcat( rpl, Client_ID( c ));
if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
strcat( rpl, "=" );
if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
else strcat( rpl, "+" );
strcat( rpl, Client_User( c ));
strcat( rpl, "@" );
strcat( rpl, Client_Hostname( c ));
strcat( rpl, " " );
}
}
if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
} /* IRC_USERHOST */
GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
{
assert( Client != NULL );
assert( Req != NULL );
if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
return CONNECTED;
} /* IRC_ERROR */
GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
{
CLIENT *target, *from;
assert( Client != NULL );
assert( Req != NULL );
if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
/* Falsche Anzahl Parameter? */
if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* Absender ermitteln */
if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
else from = Client;
if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
/* An anderen Server forwarden? */
if( Req->argc == 2 )
{
target = Client_GetFromID( Req->argv[1] );
if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
}
/* Wer ist der Absender? */
if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
else target = Client;
if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
Send_LUSERS( target );
return CONNECTED;
} /* IRC_LUSERS */
GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
{
CLIENT *target, *from, *c;
CHAR *mask;
assert( Client != NULL );
assert( Req != NULL );
if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
/* Falsche Anzahl Parameter? */
if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* Server-Mask ermitteln */
if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
else mask = "*";
/* Absender ermitteln */
if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
else from = Client;
if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
/* An anderen Server forwarden? */
if( Req->argc == 2 )
{
target = Client_GetFromID( Req->argv[0] );
if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
}
/* Wer ist der Absender? */
if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
else target = Client;
if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
c = Client_First( );
while( c )
{
if( Client_Type( c ) == CLIENT_SERVER )
{
if( ! IRC_WriteStrClient( target, RPL_LINKS_MSG, Client_ID( target ), Client_ID( c ), Client_ID( Client_TopServer( c ) ? Client_TopServer( c ) : Client_ThisServer( )), Client_Hops( c ), Client_Info( c ))) return DISCONNECTED;
}
c = Client_Next( c );
}
return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
} /* IRC_LINKS */
GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
{
CHAR *channame, *flags, modes[8];
BOOLEAN is_new_chan;
CLIENT *target;
CHANNEL *chan;
assert( Client != NULL );
assert( Req != NULL );
if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
/* Falsche Anzahl Parameter? */
if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* Wer ist der Absender? */
if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
else target = Client;
if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
/* Channel-Namen durchgehen */
channame = strtok( Req->argv[0], "," );
while( channame )
{
/* wird der Channel neu angelegt? */
flags = NULL;
if( Channel_Search( channame )) is_new_chan = FALSE;
else is_new_chan = TRUE;
/* Hat ein Server Channel-User-Modes uebergeben? */
if( Client_Type( Client ) == CLIENT_SERVER )
{
/* Channel-Flags extrahieren */
flags = strchr( channame, 0x7 );
if( flags ) *flags++ = '\0';
}
/* neuer Channel udn lokaler Client? */
if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
{
/* Dann soll der Client Channel-Operator werden! */
flags = "o";
}
/* Channel joinen (und ggf. anlegen) */
if( ! Channel_Join( target, channame ))
{
/* naechsten Namen ermitteln */
channame = strtok( NULL, "," );
continue;
}
chan = Channel_Search( channame );
assert( chan != NULL );
/* Modes setzen (wenn vorhanden) */
while( flags && *flags )
{
Channel_UserModeAdd( chan, target, *flags );
flags++;
}
/* Muessen Modes an andere Server gemeldet werden? */
strcpy( &modes[1], Channel_UserModes( chan, target ));
if( modes[1] ) modes[0] = 0x7;
else modes[0] = '\0';
/* An andere Server weiterleiten */
IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
/* im Channel bekannt machen */
IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
if( modes[1] )
{
/* Modes im Channel bekannt machen */
IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
}
if( Client_Type( Client ) == CLIENT_USER )
{
/* an Client bestaetigen */
IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
/* Topic an Client schicken */
IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
/* Mitglieder an Client Melden */
Send_NAMES( Client, chan );
IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( chan ));
}
/* naechsten Namen ermitteln */
channame = strtok( NULL, "," );
}
return CONNECTED;
} /* IRC_JOIN */
GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
{
CLIENT *target;
CHAR *chan;
assert( Client != NULL );
assert( Req != NULL );
if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
/* Falsche Anzahl Parameter? */
if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* Wer ist der Absender? */
if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
else target = Client;
if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
/* Channel-Namen durchgehen */
chan = strtok( Req->argv[0], "," );
while( chan )
{
if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
{
/* naechsten Namen ermitteln */
chan = strtok( NULL, "," );
continue;
}
/* naechsten Namen ermitteln */
chan = strtok( NULL, "," );
}
return CONNECTED;
} /* IRC_PART */
GLOBAL BOOLEAN IRC_VERSION( CLIENT *Client, REQUEST *Req )
{
CLIENT *target, *prefix;
assert( Client != NULL );
assert( Req != NULL );
/* Falsche Anzahl Parameter? */
if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* Ziel suchen */
if( Req->argc == 1 ) target = Client_GetFromID( Req->argv[0] );
else target = Client_ThisServer( );
/* Prefix ermitteln */
if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_GetFromID( Req->prefix );
else prefix = Client;
if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
/* An anderen Server weiterleiten? */
if( target != Client_ThisServer( ))
{
if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
/* forwarden */
IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
return CONNECTED;
}
/* mit Versionsinfo antworten */
return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
} /* IRC_VERSION */
GLOBAL BOOLEAN IRC_KILL( CLIENT *Client, REQUEST *Req )
{
CLIENT *prefix, *c;
assert( Client != NULL );
assert( Req != NULL );
if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
/* Falsche Anzahl Parameter? */
if(( Req->argc != 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
prefix = Client_GetFromID( Req->prefix );
if( ! prefix )
{
Log( LOG_WARNING, "Got KILL with invalid prefix: \"%s\"!", Req->prefix );
prefix = Client_ThisServer( );
}
Log( LOG_NOTICE, "Got KILL command from \"%s\" for \"%s\": %s", Client_Mask( prefix ), Req->argv[0], Req->argv[1] );
/* andere Server benachrichtigen */
IRC_WriteStrServersPrefix( Client, prefix, "KILL %s :%s", Req->argv[0], Req->argv[1] );
/* haben wir selber einen solchen Client? */
c = Client_GetFromID( Req->argv[0] );
if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Req->argv[1], TRUE );
return CONNECTED;
} /* IRC_KILL */
LOCAL BOOLEAN Hello_User( CLIENT *Client )
{
assert( Client != NULL );
/* Passwort ueberpruefen */
if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
{
/* Falsches Passwort */
Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
return DISCONNECTED;
}
Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
/* Andere Server informieren */
IRC_WriteStrServers( NULL, "NICK %s 1 %s %s 1 +%s :%s", Client_ID( Client ), Client_User( Client ), Client_Hostname( Client ), Client_Modes( Client ), Client_Info( Client ));
if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
Client_SetType( Client, CLIENT_USER );
if( ! Send_LUSERS( Client )) return DISCONNECTED;
if( ! Show_MOTD( Client )) return DISCONNECTED;
return CONNECTED;
} /* Hello_User */
LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
{
BOOLEAN ok;
CHAR line[127];
FILE *fd;
assert( Client != NULL );
fd = fopen( Conf_MotdFile, "r" );
if( ! fd )
{
Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
}
IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
while( TRUE )
{
if( ! fgets( line, 126, fd )) break;
if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
{
fclose( fd );
return FALSE;
}
}
ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
fclose( fd );
return ok;
} /* Show_MOTD */
LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason )
{
CLIENT *c;
assert( Nick != NULL );
assert( Reason != NULL );
Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected: %s", Nick, Reason );
/* andere Server benachrichtigen */
IRC_WriteStrServers( NULL, "KILL %s :%s", Nick, Reason );
/* Ggf. einen eigenen Client toeten */
c = Client_GetFromID( Nick );
if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Reason, TRUE );
} /* Kill_Nick */
LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
{
CHAR str[LINE_LEN + 1];
CL2CHAN *cl2chan;
CLIENT *cl;
assert( Client != NULL );
assert( Chan != NULL );
/* Alle Mitglieder suchen */
sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
cl2chan = Channel_FirstMember( Chan );
while( cl2chan )
{
cl = Channel_GetClient( cl2chan );
/* Nick anhaengen */
if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
strcat( str, Client_ID( cl ));
if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
{
/* Zeile wird zu lang: senden! */
if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
}
/* naechstes Mitglied suchen */
cl2chan = Channel_NextMember( Chan, cl2chan );
}
if( str[strlen( str ) - 1] != ':')
{
/* Es sind noch Daten da, die gesendet werden muessen */
if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
}
return CONNECTED;
} /* Send_NAMES */
LOCAL BOOLEAN Send_LUSERS( CLIENT *Client )
{
INT cnt;
assert( Client != NULL );
/* Users, Services und Serevr im Netz */
if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
/* IRC-Operatoren im Netz */
cnt = Client_OperCount( );
if( cnt > 0 )
{
if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
}
/* Unbekannt Verbindungen */
cnt = Client_UnknownCount( );
if( cnt > 0 )
{
if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
}
/* Channels im Netz */
if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
/* Channels im Netz */
if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
return CONNECTED;
} /* Send_LUSERS */
CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client )
{
assert( Target != NULL );
assert( Client != NULL );
if( Client_Type( Target ) == CLIENT_SERVER ) return Client_ID( Client );
else return Client_Mask( Client );
} /* Get_Prefix */
/* -eof- */
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