/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
+ * Copyright (c)2001-2012 Alexander Barton (alex@barton.de) and Contributors.
*
- * 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 1.81 2002/02/27 20:55:44 alex Exp $
- *
- * irc.c: IRC-Befehle
- *
- * $Log: irc.c,v $
- * Revision 1.81 2002/02/27 20:55:44 alex
- * - Channel-Topics werden nun auch korrekt von anderen Server angenommen.
- *
- * Revision 1.80 2002/02/27 20:33:13 alex
- * - Channel-Topics implementiert.
- *
- * Revision 1.79 2002/02/27 18:57:21 alex
- * - PRIVMSG zeugt nun bei Texten an User an, wenn diese "away" sind.
- *
- * Revision 1.78 2002/02/27 18:23:45 alex
- * - IRC-Befehl "AWAY" implementert.
- *
- * Revision 1.77 2002/02/27 17:05:41 alex
- * - PRIVMSG beachtet nun die Channel-Modes "n" und "m".
- *
- * Revision 1.76 2002/02/27 16:04:14 alex
- * - Bug bei belegtem Nickname bei User-Registrierung (NICK-Befehl) behoben.
- *
- * Revision 1.75 2002/02/27 15:23:27 alex
- * - NAMES beachtet nun das "invisible" Flag ("i") von Usern.
- *
- * Revision 1.74 2002/02/27 03:44:53 alex
- * - gerade eben in SQUIT eingefuehrten Bug behoben: entfernte Server werden nun
- * nur noch geloescht, die Verbindung, von der SQUIT kam, bleibt wieder offen.
- *
- * Revision 1.73 2002/02/27 03:08:05 alex
- * - Log-Meldungen bei SQUIT erneut ueberarbeitet ...
- *
- * Revision 1.72 2002/02/27 02:26:58 alex
- * - SQUIT wird auf jeden Fall geforwarded, zudem besseres Logging.
- *
- * 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 :-)
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * Please read the file COPYING, README and AUTHORS for more information.
*/
+#include "portab.h"
-#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 ));
+/**
+ * @file
+ * IRC commands
+ */
- /* 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 valid NICK command ...", Client_Conn( Client ));
-
- /* Client-Nick registrieren */
- Client_SetID( target, Req->argv[0] );
-
- /* schon ein USER da? Dann registrieren! */
- if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
- else Client_SetType( Client, CLIENT_GOTNICK );
- }
- else
- {
- /* Nick-Aenderung */
- Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
-
- /* neuen Client-Nick speichern */
- 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 valid 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;
- CHAR msg[LINE_LEN + 64];
-
- 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 );
-
- Log( LOG_DEBUG, "Got SQUIT from %s for \"%s\": \"%s\" ...", Client_ID( Client ), Req->argv[0], Req->argv[1] );
-
- /* SQUIT an alle Server weiterleiten */
- IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
-
- 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( Req->argv[1][0] )
- {
- if( strlen( Req->argv[1] ) > LINE_LEN ) Req->argv[1][LINE_LEN] = '\0';
- sprintf( msg, "%s (SQUIT from %s).", Req->argv[1], Client_ID( Client ));
- }
- else sprintf( msg, "Got SQUIT from %s.", Client_ID( Client ));
-
- if( Client_Conn( target ) > NONE )
- {
- /* dieser Server hat die Connection */
- if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), msg, Req->argv[1], TRUE );
- else Conn_Close( Client_Conn( target ), msg, NULL, TRUE );
- return DISCONNECTED;
- }
- else
- {
- /* Verbindung hielt anderer Server */
- Client_Destroy( target, msg, 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 )
-{
- BOOLEAN is_member, has_voice, is_op, ok;
- CLIENT *cl, *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 );
-
- cl = Client_Search( Req->argv[0] );
- if( cl )
- {
- /* Okay, Ziel ist ein User */
- if(( Client_Type( Client ) != CLIENT_SERVER ) && ( strchr( Client_Modes( cl ), 'a' )))
- {
- /* Ziel-User ist AWAY: Meldung verschicken */
- if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( cl ), Client_Away( cl ))) return DISCONNECTED;
- }
-
- /* Text senden */
- if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
- return IRC_WriteStrClientPrefix( cl, from, "PRIVMSG %s :%s", Client_ID( cl ), Req->argv[1] );
- }
-
- chan = Channel_Search( Req->argv[0] );
- if( chan )
- {
- /* Okay, Ziel ist ein Channel */
- is_member = has_voice = is_op = FALSE;
- if( Channel_IsMemberOf( chan, from ))
- {
- is_member = TRUE;
- if( strchr( Channel_UserModes( chan, from ), 'v' )) has_voice = TRUE;
- if( strchr( Channel_UserModes( chan, from ), 'o' )) is_op = TRUE;
- }
-
- /* pruefen, ob Client in Channel schreiben darf */
- ok = TRUE;
- if( strchr( Channel_Modes( chan ), 'n' ) && ( ! is_member )) ok = FALSE;
- if( strchr( Channel_Modes( chan ), 'm' ) && ( ! is_op ) && ( ! has_voice )) ok = FALSE;
-
- if( ! ok ) return IRC_WriteStrClient( from, ERR_CANNOTSENDTOCHAN_MSG, Client_ID( from ), Req->argv[0] );
-
- /* Text senden */
- 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;
-
- if(( cl ) && ( x[0] == 'a' ))
- {
- /* away */
- if( set ) Client_SetAway( cl, "Away" );
- else Client_SetAway( cl, NULL );
- }
-
- }
- 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':
- /* Quiet */
- 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_AWAY( 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 > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- if(( Req->argc == 1 ) && (Req->argv[0][0] ))
- {
- /* AWAY setzen */
- Client_SetAway( Client, Req->argv[0] );
- IRC_WriteStrServersPrefix( Client, Client, "MODE %s :+a", Client_ID( Client ));
- return IRC_WriteStrClient( Client, RPL_NOWAWAY_MSG, Client_ID( Client ));
- }
- else
- {
- /* AWAY loeschen */
- Client_SetAway( Client, NULL );
- IRC_WriteStrServersPrefix( Client, Client, "MODE %s :-a", Client_ID( Client ));
- return IRC_WriteStrClient( Client, RPL_UNAWAY_MSG, Client_ID( Client ));
- }
-} /* IRC_AWAY */
-
-
-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 );
- }
-
- /* Nun noch alle Clients ausgeben, die in keinem Channel sind */
- c = Client_First( );
- sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
- while( c )
- {
- if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ) && ( ! strchr( Client_Modes( c ), 'i' )))
- {
- /* 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;
- }
-
- /* Away? */
- if( Client_HasMode( c, 'a' ))
- {
- if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( c ), Client_Away( 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 );
+#include "imp.h"
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
- if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+#include "ngircd.h"
+#include "conn-func.h"
+#include "conf.h"
+#include "channel.h"
+#include "conn-encoding.h"
+#include "defines.h"
+#include "irc-write.h"
+#include "log.h"
+#include "match.h"
+#include "messages.h"
+#include "parse.h"
+#include "tool.h"
- /* Falsche Anzahl Parameter? */
- if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+#include "exp.h"
+#include "irc.h"
- 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 */
+static char *Option_String PARAMS((CONN_ID Idx));
+static bool Send_Message PARAMS((CLIENT *Client, REQUEST *Req, int ForceType,
+ bool SendErrors));
+static bool Send_Message_Mask PARAMS((CLIENT *from, char *command,
+ char *targetMask, char *message,
+ bool SendErrors));
+static bool Help PARAMS((CLIENT *Client, const char *Topic));
-GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
+/**
+ * Check if a list limit is reached and inform client accordingly.
+ *
+ * @param From The client.
+ * @param Count Reply item count.
+ * @param Limit Reply limit.
+ * @param Name Name of the list.
+ * @return true if list limit has been reached; false otherwise.
+ */
+GLOBAL bool
+IRC_CheckListTooBig(CLIENT *From, const int Count, const int Limit,
+ const char *Name)
{
- assert( Client != NULL );
- assert( Req != NULL );
+ assert(From != NULL);
+ assert(Count >= 0);
+ assert(Limit > 0);
+ assert(Name != 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] );
+ if (Count < Limit)
+ return false;
- return CONNECTED;
-} /* IRC_ERROR */
+ (void)IRC_WriteStrClient(From,
+ "NOTICE %s :%s list limit (%d) reached!",
+ Client_ID(From), Name, Limit);
+ IRC_SetPenalty(From, 2);
+ return true;
+}
-GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
+GLOBAL bool
+IRC_ERROR( 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] );
+ if (Client_Type(Client) != CLIENT_GOTPASS
+ && Client_Type(Client) != CLIENT_GOTPASS_2813
+ && Client_Type(Client) != CLIENT_UNKNOWNSERVER
+ && Client_Type(Client) != CLIENT_SERVER
+ && Client_Type(Client) != CLIENT_SERVICE) {
+ LogDebug("Ignored ERROR command from \"%s\" ...",
+ Client_Mask(Client));
+ IRC_SetPenalty(Client, 2);
+ return CONNECTED;
}
- /* 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 );
+ 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_LUSERS */
+} /* IRC_ERROR */
-GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
+/**
+ * Handler for the IRC "KILL" command.
+ *
+ * This function implements the IRC command "KILL" wich is used to selectively
+ * disconnect clients. It can be used by IRC operators and servers, for example
+ * to "solve" nick collisions after netsplits. See RFC 2812 section 3.7.1.
+ *
+ * Please note that this function is also called internally, without a real
+ * KILL command being received over the network! Client is Client_ThisServer()
+ * in this case, and the prefix in Req is NULL.
+ *
+ * @param Client The client from which this command has been received
+ * or Client_ThisServer() when generated interanlly.
+ * @param Req Request structure with prefix and all parameters.
+ * @returns CONNECTED or DISCONNECTED.
+ */
+GLOBAL bool
+IRC_KILL( 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 = "*";
+ CLIENT *prefix, *c;
+ char reason[COMMAND_LEN], *msg;
+ CONN_ID my_conn, conn;
- /* 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] );
- }
+ assert (Client != NULL);
+ assert (Req != NULL);
- /* 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 */
+ if (Client_Type(Client) != CLIENT_SERVER && !Client_OperByMe(Client))
+ return IRC_WriteStrClient(Client, ERR_NOPRIVILEGES_MSG,
+ Client_ID(Client));
+ if (Req->argc != 2)
+ return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+ Client_ID(Client), Req->command);
-GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
-{
- CHAR *channame, *flags, *topic, modes[8];
- BOOLEAN is_new_chan;
- CLIENT *target;
- CHANNEL *chan;
-
- assert( Client != NULL );
- assert( Req != NULL );
+ /* Get prefix (origin); use the client if no prefix is given. */
+ if (Req->prefix)
+ prefix = Client_Search(Req->prefix);
+ else
+ prefix = Client;
+
+ /* Log a warning message and use this server as origin when the
+ * prefix (origin) is invalid. */
+ if (!prefix) {
+ Log(LOG_WARNING, "Got KILL with invalid prefix: \"%s\"!",
+ Req->prefix );
+ prefix = Client_ThisServer();
+ }
+
+ if (Client != Client_ThisServer())
+ Log(LOG_NOTICE|LOG_snotice,
+ "Got KILL command from \"%s\" for \"%s\": \"%s\".",
+ Client_Mask(prefix), Req->argv[0], Req->argv[1]);
+
+ /* Build reason string: Prefix the "reason" if the originator is a
+ * regular user, so users can't spoof KILLs of servers. */
+ if (Client_Type(Client) == CLIENT_USER)
+ snprintf(reason, sizeof(reason), "KILLed by %s: %s",
+ Client_ID(Client), Req->argv[1]);
+ else
+ strlcpy(reason, Req->argv[1], sizeof(reason));
- if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+ /* Inform other servers */
+ IRC_WriteStrServersPrefix(Client, prefix, "KILL %s :%s",
+ Req->argv[0], reason);
- /* Falsche Anzahl Parameter? */
- if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ /* Save ID of this connection */
+ my_conn = Client_Conn( Client );
- /* 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 )
+ /* Do we host such a client? */
+ c = Client_Search( Req->argv[0] );
+ if( c )
{
- /* 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 )
+ if(( Client_Type( c ) != CLIENT_USER ) &&
+ ( Client_Type( c ) != CLIENT_GOTNICK ))
{
- Channel_UserModeAdd( chan, target, *flags );
- flags++;
- }
+ /* Target of this KILL is not a regular user, this is
+ * invalid! So we ignore this case if we received a
+ * regular KILL from the network and try to kill the
+ * client/connection anyway (but log an error!) if the
+ * origin is the local server. */
- /* 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 );
+ if( Client != Client_ThisServer( ))
+ {
+ /* Invalid KILL received from remote */
+ if( Client_Type( c ) == CLIENT_SERVER )
+ msg = ERR_CANTKILLSERVER_MSG;
+ else
+ msg = ERR_NOPRIVILEGES_MSG;
+ return IRC_WriteStrClient( Client, msg,
+ Client_ID( Client ));
+ }
- /* 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 ));
+ Log( LOG_ERR, "Got KILL for invalid client type: %d, \"%s\"!",
+ Client_Type( c ), Req->argv[0] );
}
- if( Client_Type( Client ) == CLIENT_USER )
- {
- /* an Client bestaetigen */
- IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
-
- /* Topic an Client schicken */
- topic = Channel_Topic( chan );
- if( *topic ) IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, topic );
-
- /* 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, "," );
+ /* Kill the client NOW:
+ * - Close the local connection (if there is one),
+ * - Destroy the CLIENT structure for remote clients.
+ * Note: Conn_Close() removes the CLIENT structure as well. */
+ conn = Client_Conn( c );
+ if(conn > NONE)
+ Conn_Close(conn, NULL, reason, true);
+ else
+ Client_Destroy(c, NULL, reason, false);
}
- return CONNECTED;
-} /* IRC_JOIN */
-
+ else
+ Log( LOG_NOTICE, "Client with nick \"%s\" is unknown here.", Req->argv[0] );
-GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
-{
- CLIENT *target;
- CHAR *chan;
+ /* Are we still connected or were we killed, too? */
+ if(( my_conn > NONE ) && ( Conn_GetClient( my_conn )))
+ return CONNECTED;
+ else
+ return DISCONNECTED;
+} /* IRC_KILL */
- 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 ));
+/**
+ * Handler for the IRC command NOTICE.
+ */
+GLOBAL bool
+IRC_NOTICE(CLIENT *Client, REQUEST *Req)
+{
+ return Send_Message(Client, Req, CLIENT_USER, false);
+} /* IRC_NOTICE */
- /* 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 );
+/**
+ * Handler for the IRC command PRIVMSG.
+ */
+GLOBAL bool
+IRC_PRIVMSG(CLIENT *Client, REQUEST *Req)
+{
+ return Send_Message(Client, Req, CLIENT_USER, true);
+} /* IRC_PRIVMSG */
- /* 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 */
+/**
+ * Handler for the IRC command SQUERY.
+ */
+GLOBAL bool
+IRC_SQUERY(CLIENT *Client, REQUEST *Req)
+{
+ return Send_Message(Client, Req, CLIENT_SERVICE, true);
+} /* IRC_SQUERY */
-GLOBAL BOOLEAN IRC_TOPIC( CLIENT *Client, REQUEST *Req )
+GLOBAL bool
+IRC_TRACE( CLIENT *Client, REQUEST *Req )
{
- CHANNEL *chan;
- CLIENT *from;
- CHAR *topic;
-
+ CLIENT *from, *target, *c;
+ CONN_ID idx, idx2;
+ char user[CLIENT_USER_LEN];
+
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 );
+ /* Bad number of arguments? */
+ if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
+ /* Search sender */
+ if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
else from = Client;
if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
- /* Welcher Channel? */
- chan = Channel_Search( Req->argv[0] );
- if( ! chan ) return IRC_WriteStrClient( from, ERR_NOTONCHANNEL_MSG, Client_ID( from ), Req->argv[0] );
+ /* Search target */
+ if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
+ else target = Client_ThisServer( );
+
+ /* Forward command to other server? */
+ if( target != Client_ThisServer( ))
+ {
+ if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
- /* Ist der User Mitglied in dem Channel? */
- if( ! Channel_IsMemberOf( chan, from )) return IRC_WriteStrClient( from, ERR_NOTONCHANNEL_MSG, Client_ID( from ), Req->argv[0] );
+ /* Send RPL_TRACELINK back to initiator */
+ idx = Client_Conn( Client ); assert( idx > NONE );
+ idx2 = Client_Conn( Client_NextHop( target )); assert( idx2 > NONE );
+ if( ! IRC_WriteStrClient( from, RPL_TRACELINK_MSG, Client_ID( from ), PACKAGE_NAME, PACKAGE_VERSION, Client_ID( target ), Client_ID( Client_NextHop( target )), Option_String( idx2 ), time( NULL ) - Conn_StartTime( idx2 ), Conn_SendQ( idx ), Conn_SendQ( idx2 ))) return DISCONNECTED;
- if( Req->argc == 1 )
- {
- /* Topic erfragen */
- topic = Channel_Topic( chan );
- if( *topic ) return IRC_WriteStrClient( from, RPL_TOPIC_MSG, Client_ID( from ), Channel_Name( chan ), topic );
- else return IRC_WriteStrClient( from, RPL_NOTOPIC_MSG, Client_ID( from ), Channel_Name( chan ));
+ /* Forward command */
+ IRC_WriteStrClientPrefix( target, from, "TRACE %s", Req->argv[0] );
+ return CONNECTED;
}
- if( strchr( Channel_Modes( chan ), 't' ))
+ /* Infos about all connected servers */
+ c = Client_First( );
+ while( c )
{
- /* Topic Lock. Ist der User ein Channel Operator? */
- if( ! strchr( Channel_UserModes( chan, from ), 'o' )) return IRC_WriteStrClient( from, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( from ), Channel_Name( chan ));
+ if( Client_Conn( c ) > NONE )
+ {
+ /* Local client */
+ if( Client_Type( c ) == CLIENT_SERVER )
+ {
+ /* Server link */
+ strlcpy( user, Client_User( c ), sizeof( user ));
+ if( user[0] == '~' ) strlcpy( user, "unknown", sizeof( user ));
+ if( ! IRC_WriteStrClient( from, RPL_TRACESERVER_MSG, Client_ID( from ), Client_ID( c ), user, Client_Hostname( c ), Client_Mask( Client_ThisServer( )), Option_String( Client_Conn( c )))) return DISCONNECTED;
+ }
+ if(( Client_Type( c ) == CLIENT_USER ) && ( strchr( Client_Modes( c ), 'o' )))
+ {
+ /* IRC Operator */
+ if( ! IRC_WriteStrClient( from, RPL_TRACEOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
+ }
+ }
+ c = Client_Next( c );
}
- /* Topic setzen */
- Channel_SetTopic( chan, Req->argv[1] );
- Log( LOG_DEBUG, "User \"%s\" set topic on \"%s\": %s", Client_Mask( from ), Channel_Name( chan ), Req->argv[1][0] ? Req->argv[1] : "<none>" );
-
- /* im Channel bekannt machen */
- IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "TOPIC %s :%s", Req->argv[0], Req->argv[1] );
- return IRC_WriteStrClientPrefix( from, from, "TOPIC %s :%s", Req->argv[0], Req->argv[1] );
-} /* IRC_TOPIC */
+ IRC_SetPenalty( Client, 3 );
+ return IRC_WriteStrClient( from, RPL_TRACEEND_MSG, Client_ID( from ), Conf_ServerName, PACKAGE_NAME, PACKAGE_VERSION, NGIRCd_DebugLevel );
+} /* IRC_TRACE */
-GLOBAL BOOLEAN IRC_VERSION( CLIENT *Client, REQUEST *Req )
+/**
+ * Handler for the IRC "HELP" command.
+ *
+ * @param Client The client from which this command has been received.
+ * @param Req Request structure with prefix and all parameters.
+ * @return CONNECTED or DISCONNECTED.
+ */
+GLOBAL bool
+IRC_HELP(CLIENT *Client, REQUEST *Req)
{
- CLIENT *target, *prefix;
-
- assert( Client != NULL );
- assert( Req != NULL );
+ COMMAND *cmd;
- /* Falsche Anzahl Parameter? */
- if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ assert(Client != NULL);
+ assert(Req != NULL);
- /* Ziel suchen */
- if( Req->argc == 1 ) target = Client_GetFromID( Req->argv[0] );
- else target = Client_ThisServer( );
+ /* Bad number of arguments? */
+ if (Req->argc > 1)
+ return IRC_WriteStrClient(Client, ERR_NORECIPIENT_MSG,
+ Client_ID(Client), Req->command);
- /* 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] );
+ IRC_SetPenalty(Client, 2);
+
+ if ((Req->argc == 0 && array_bytes(&Conf_Helptext) > 0)
+ || (Req->argc >= 1 && strcasecmp(Req->argv[0], "Commands") != 0)) {
+ /* Help text available and requested */
+ if (Req->argc >= 1)
+ return Help(Client, Req->argv[0]);
- /* forwarden */
- IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
+ if (!Help(Client, "Intro"))
+ return DISCONNECTED;
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( );
+ cmd = Parse_GetCommandStruct();
+ while(cmd->name) {
+ if (!IRC_WriteStrClient(Client, "NOTICE %s :%s",
+ Client_ID(Client), cmd->name))
+ return DISCONNECTED;
+ cmd++;
}
-
- 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 */
+} /* IRC_HELP */
-LOCAL BOOLEAN Hello_User( CLIENT *Client )
-{
- assert( Client != NULL );
+/**
+ * Send help for a given topic to the client.
+ *
+ * @param Client The client requesting help.
+ * @param Topoc The help topic requested.
+ * @return CONNECTED or DISCONNECTED.
+ */
+static bool
+Help(CLIENT *Client, const char *Topic)
+{
+ char *line;
+ size_t helptext_len, len_str, idx_start, lines = 0;
+ bool in_article = false;
+
+ assert(Client != NULL);
+ assert(Topic != NULL);
+
+ helptext_len = array_bytes(&Conf_Helptext);
+ line = array_start(&Conf_Helptext);
+ while (helptext_len > 0) {
+ len_str = strlen(line) + 1;
+ assert(helptext_len >= len_str);
+ helptext_len -= len_str;
+
+ if (in_article) {
+ /* The first character in each article text line must
+ * be a TAB (ASCII 9) character which will be stripped
+ * in the output. If it is not a TAB, the end of the
+ * article has been reached. */
+ if (line[0] != '\t') {
+ if (lines > 0)
+ return CONNECTED;
+ else
+ break;
+ }
- /* 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;
- }
+ /* A single '.' character indicates an empty line */
+ if (line[1] == '.' && line[2] == '\0')
+ idx_start = 2;
+ else
+ idx_start = 1;
- Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
+ if (!IRC_WriteStrClient(Client, "NOTICE %s :%s",
+ Client_ID(Client),
+ &line[idx_start]))
+ return DISCONNECTED;
+ lines++;
- /* 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 ));
+ } else {
+ if (line[0] == '-' && line[1] == ' '
+ && strcasecmp(&line[2], Topic) == 0)
+ in_article = true;
+ }
- 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;
+ line += len_str;
+ }
- Client_SetType( Client, CLIENT_USER );
+ /* Help topic not found (or empty)! */
+ if (!IRC_WriteStrClient(Client, "NOTICE %s :No help for \"%s\" found!",
+ Client_ID(Client), Topic))
+ return DISCONNECTED;
- 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 )
+static char *
+#ifdef ZLIB
+Option_String(CONN_ID Idx)
+#else
+Option_String(UNUSED CONN_ID Idx)
+#endif
{
- CLIENT *c;
+ static char option_txt[8];
+#ifdef ZLIB
+ UINT16 options;
- assert( Nick != NULL );
- assert( Reason != NULL );
-
- Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected: %s", Nick, Reason );
+ options = Conn_Options(Idx);
+#endif
- /* andere Server benachrichtigen */
- IRC_WriteStrServers( NULL, "KILL %s :%s", Nick, Reason );
+ strcpy(option_txt, "F"); /* No idea what this means, but the
+ * original ircd sends it ... */
+#ifdef ZLIB
+ if(options & CONN_ZIP) /* zlib compression supported. */
+ strcat(option_txt, "z");
+#endif
- /* 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 */
+ return option_txt;
+} /* Option_String */
-LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
+static bool
+Send_Message(CLIENT * Client, REQUEST * Req, int ForceType, bool SendErrors)
{
- BOOLEAN is_visible, is_member;
- CHAR str[LINE_LEN + 1];
+ CLIENT *cl, *from;
CL2CHAN *cl2chan;
- CLIENT *cl;
-
- assert( Client != NULL );
- assert( Chan != NULL );
-
- if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
- else is_member = FALSE;
-
- /* Alle Mitglieder suchen */
- sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
- cl2chan = Channel_FirstMember( Chan );
- while( cl2chan )
- {
- cl = Channel_GetClient( cl2chan );
-
- if( strchr( Client_Modes( cl ), 'i' )) is_visible = FALSE;
- else is_visible = TRUE;
+ CHANNEL *chan;
+ char *currentTarget = Req->argv[0];
+ char *lastCurrentTarget = NULL;
+ char *message = NULL;
- if( is_member || is_visible )
- {
- /* 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 ));
- }
- }
+ assert(Client != NULL);
+ assert(Req != NULL);
- /* naechstes Mitglied suchen */
- cl2chan = Channel_NextMember( Chan, cl2chan );
+ if (Req->argc == 0) {
+ if (!SendErrors)
+ return CONNECTED;
+ return IRC_WriteStrClient(Client, ERR_NORECIPIENT_MSG,
+ Client_ID(Client), Req->command);
}
- if( str[strlen( str ) - 1] != ':')
- {
- /* Es sind noch Daten da, die gesendet werden muessen */
- if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
+ if (Req->argc == 1) {
+ if (!SendErrors)
+ return CONNECTED;
+ return IRC_WriteStrClient(Client, ERR_NOTEXTTOSEND_MSG,
+ Client_ID(Client));
+ }
+ if (Req->argc > 2) {
+ if (!SendErrors)
+ return CONNECTED;
+ return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+ Client_ID(Client), Req->command);
}
- return CONNECTED;
-} /* Send_NAMES */
+ if (Client_Type(Client) == CLIENT_SERVER)
+ from = Client_Search(Req->prefix);
+ else
+ from = Client;
+ if (!from)
+ return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
+ Client_ID(Client), Req->prefix);
+
+#ifdef ICONV
+ if (Client_Conn(Client) > NONE)
+ message = Conn_EncodingFrom(Client_Conn(Client), Req->argv[1]);
+ else
+#endif
+ message = Req->argv[1];
+
+ /* handle msgtarget = msgto *("," msgto) */
+ currentTarget = strtok_r(currentTarget, ",", &lastCurrentTarget);
+ ngt_UpperStr(Req->command);
+
+ while (currentTarget) {
+ /* Check for and handle valid <msgto> of form:
+ * RFC 2812 2.3.1:
+ * msgto = channel / ( user [ "%" host ] "@" servername )
+ * msgto =/ ( user "%" host ) / targetmask
+ * msgto =/ nickname / ( nickname "!" user "@" host )
+ */
+ if (strchr(currentTarget, '!') == NULL)
+ /* nickname */
+ cl = Client_Search(currentTarget);
+ else
+ cl = NULL;
+
+ if (cl == NULL) {
+ /* If currentTarget isn't a nickname check for:
+ * user ["%" host] "@" servername
+ * user "%" host
+ * nickname "!" user "@" host
+ */
+ char target[COMMAND_LEN];
+ char * nick = NULL;
+ char * user = NULL;
+ char * host = NULL;
+ char * server = NULL;
+
+ strlcpy(target, currentTarget, COMMAND_LEN);
+ server = strchr(target, '@');
+ if (server) {
+ *server = '\0';
+ server++;
+ }
+ host = strchr(target, '%');
+ if (host) {
+ *host = '\0';
+ host++;
+ }
+ user = strchr(target, '!');
+ if (user) {
+ /* msgto form: nick!user@host */
+ *user = '\0';
+ user++;
+ nick = target;
+ host = server; /* not "@server" but "@host" */
+ } else {
+ user = target;
+ }
+ for (cl = Client_First(); cl != NULL; cl = Client_Next(cl)) {
+ if (Client_Type(cl) != CLIENT_USER &&
+ Client_Type(cl) != CLIENT_SERVICE)
+ continue;
+ if (nick != NULL && host != NULL) {
+ if (strcasecmp(nick, Client_ID(cl)) == 0 &&
+ strcasecmp(user, Client_User(cl)) == 0 &&
+ strcasecmp(host, Client_HostnameDisplayed(cl)) == 0)
+ break;
+ else
+ continue;
+ }
+ if (strcasecmp(user, Client_User(cl)) != 0)
+ continue;
+ if (host != NULL && strcasecmp(host,
+ Client_HostnameDisplayed(cl)) != 0)
+ continue;
+ if (server != NULL && strcasecmp(server,
+ Client_ID(Client_Introducer(cl))) != 0)
+ continue;
+ break;
+ }
+ }
-LOCAL BOOLEAN Send_LUSERS( CLIENT *Client )
-{
- INT cnt;
+ if (cl) {
+ /* Target is a user, enforce type */
+#ifndef STRICT_RFC
+ if (Client_Type(cl) != ForceType &&
+ !(ForceType == CLIENT_USER &&
+ (Client_Type(cl) == CLIENT_USER ||
+ Client_Type(cl) == CLIENT_SERVICE))) {
+#else
+ if (Client_Type(cl) != ForceType) {
+#endif
+ if (SendErrors && !IRC_WriteStrClient(
+ from, ERR_NOSUCHNICK_MSG,Client_ID(from),
+ currentTarget))
+ return DISCONNECTED;
+ goto send_next_target;
+ }
- assert( Client != NULL );
+#ifndef STRICT_RFC
+ if (ForceType == CLIENT_SERVICE &&
+ (Conn_Options(Client_Conn(Client_NextHop(cl)))
+ & CONN_RFC1459)) {
+ /* SQUERY command but RFC 1459 link: convert
+ * request to PRIVMSG command */
+ Req->command = "PRIVMSG";
+ }
+#endif
+ if (Client_HasMode(cl, 'b') &&
+ !Client_HasMode(from, 'R') &&
+ !Client_HasMode(from, 'o') &&
+ !(Client_Type(from) == CLIENT_SERVER) &&
+ !(Client_Type(from) == CLIENT_SERVICE)) {
+ if (SendErrors && !IRC_WriteStrClient(from,
+ ERR_NONONREG_MSG,
+ Client_ID(from), Client_ID(cl)))
+ return DISCONNECTED;
+ goto send_next_target;
+ }
- /* Users, Services und Serevr im Netz */
- if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
+ if (Client_HasMode(cl, 'C')) {
+ cl2chan = Channel_FirstChannelOf(cl);
+ while (cl2chan) {
+ chan = Channel_GetChannel(cl2chan);
+ if (Channel_IsMemberOf(chan, from))
+ break;
+ cl2chan = Channel_NextChannelOf(cl, cl2chan);
+ }
+ if (!cl2chan) {
+ if (SendErrors && !IRC_WriteStrClient(
+ from, ERR_NOTONSAMECHANNEL_MSG,
+ Client_ID(from), Client_ID(cl)))
+ return DISCONNECTED;
+ goto send_next_target;
+ }
+ }
- /* IRC-Operatoren im Netz */
- cnt = Client_OperCount( );
- if( cnt > 0 )
- {
- if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
- }
+ if (SendErrors && (Client_Type(Client) != CLIENT_SERVER)
+ && strchr(Client_Modes(cl), 'a')) {
+ /* Target is away */
+ if (!IRC_WriteStrClient(from, RPL_AWAY_MSG,
+ Client_ID(from),
+ Client_ID(cl),
+ Client_Away(cl)))
+ return DISCONNECTED;
+ }
+ if (Client_Conn(from) > NONE) {
+ Conn_UpdateIdle(Client_Conn(from));
+ }
+ if (!IRC_WriteStrClientPrefix(cl, from, "%s %s :%s",
+ Req->command, Client_ID(cl),
+ message))
+ return DISCONNECTED;
+ } else if (ForceType != CLIENT_SERVICE
+ && (chan = Channel_Search(currentTarget))) {
+ if (!Channel_Write(chan, from, Client, Req->command,
+ SendErrors, message))
+ return DISCONNECTED;
+ } else if (ForceType != CLIENT_SERVICE
+ /* $#: server/target mask, RFC 2812, sec. 3.3.1 */
+ && strchr("$#", currentTarget[0])
+ && strchr(currentTarget, '.')) {
+ /* targetmask */
+ if (!Send_Message_Mask(from, Req->command, currentTarget,
+ message, SendErrors))
+ return DISCONNECTED;
+ } else {
+ if (!SendErrors)
+ return CONNECTED;
+ if (!IRC_WriteStrClient(from, ERR_NOSUCHNICK_MSG,
+ Client_ID(from), currentTarget))
+ return DISCONNECTED;
+ }
- /* Unbekannt Verbindungen */
- cnt = Client_UnknownCount( );
- if( cnt > 0 )
- {
- if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
+ send_next_target:
+ currentTarget = strtok_r(NULL, ",", &lastCurrentTarget);
+ if (currentTarget)
+ Conn_SetPenalty(Client_Conn(Client), 1);
}
- /* 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 */
+} /* Send_Message */
-CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client )
+static bool
+Send_Message_Mask(CLIENT * from, char * command, char * targetMask,
+ char * message, bool SendErrors)
{
- assert( Target != NULL );
- assert( Client != NULL );
-
- if( Client_Type( Target ) == CLIENT_SERVER ) return Client_ID( Client );
- else return Client_Mask( Client );
-} /* Get_Prefix */
+ CLIENT *cl;
+ bool client_match;
+ char *mask = targetMask + 1;
+ const char *check_wildcards;
+
+ cl = NULL;
+
+ if (strchr(Client_Modes(from), 'o') == NULL) {
+ if (!SendErrors)
+ return true;
+ return IRC_WriteStrClient(from, ERR_NOPRIVILEGES_MSG,
+ Client_ID(from));
+ }
+
+ /*
+ * RFC 2812, sec. 3.3.1 requires that targetMask have at least one
+ * dot (".") and no wildcards ("*", "?") following the last one.
+ */
+ check_wildcards = strrchr(targetMask, '.');
+ assert(check_wildcards != NULL);
+ if (check_wildcards &&
+ check_wildcards[strcspn(check_wildcards, "*?")])
+ {
+ if (!SendErrors)
+ return true;
+ return IRC_WriteStrClient(from, ERR_WILDTOPLEVEL, targetMask);
+ }
+
+ /* #: hostmask, see RFC 2812, sec. 3.3.1 */
+ if (targetMask[0] == '#') {
+ for (cl = Client_First(); cl != NULL; cl = Client_Next(cl)) {
+ if (Client_Type(cl) != CLIENT_USER)
+ continue;
+ client_match = MatchCaseInsensitive(mask, Client_Hostname(cl));
+ if (client_match)
+ if (!IRC_WriteStrClientPrefix(cl, from, "%s %s :%s",
+ command, Client_ID(cl), message))
+ return false;
+ }
+ } else {
+ assert(targetMask[0] == '$'); /* $: server mask, see RFC 2812, sec. 3.3.1 */
+ for (cl = Client_First(); cl != NULL; cl = Client_Next(cl)) {
+ if (Client_Type(cl) != CLIENT_USER)
+ continue;
+ client_match = MatchCaseInsensitive(mask,
+ Client_ID(Client_Introducer(cl)));
+ if (client_match)
+ if (!IRC_WriteStrClientPrefix(cl, from, "%s %s :%s",
+ command, Client_ID(cl), message))
+ return false;
+ }
+ }
+ return CONNECTED;
+} /* Send_Message_Mask */
/* -eof- */
projects / ngircd-alex.git / blobdiff