/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
+ * Copyright (c)2001-2004 Alexander Barton <alex@barton.de>
*
- * Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen
- * der GNU General Public License (GPL), wie von der Free Software Foundation
- * herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2
- * der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version.
- * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
- * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
- *
- * $Id: irc.c,v 1.36 2002/01/11 23:50:55 alex Exp $
- *
- * irc.c: IRC-Befehle
- *
- * $Log: irc.c,v $
- * 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"
+/**
+ * @file
+ * IRC commands
+ */
-#include <imp.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 "client.h"
+#include "conn-func.h"
#include "conf.h"
-#include "conn.h"
+#include "channel.h"
+#include "defines.h"
+#include "irc-write.h"
#include "log.h"
+#include "match.h"
#include "messages.h"
#include "parse.h"
#include "tool.h"
-#include <exp.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 );
-
-
-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 */
-
+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));
-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", Client_ID( Prefix ), buffer );
-} /* IRC_WriteStrClientPrefix */
-
-
-GLOBAL BOOLEAN IRC_WriteStrRelated( CLIENT *Client, CHAR *Format, ... )
+GLOBAL bool
+IRC_ERROR( CLIENT *Client, REQUEST *Req )
{
- 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_WriteStrClient( Client, buffer );
-
- /* FIXME */
-
- return ok;
-} /* IRC_WriteStrRelated */
-
-
-GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
-{
- CHAR buffer[1000];
- va_list ap;
-
- assert( Format != NULL );
+ assert( Req != NULL );
- va_start( ap, Format );
- vsnprintf( buffer, 1000, Format, ap );
- va_end( ap );
+ 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]);
- /* an den Client selber */
- return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
-} /* IRC_WriteStrServers */
+ return CONNECTED;
+} /* IRC_ERROR */
-GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
+/**
+ * Kill client on request.
+ * 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.
+ * 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. */
+GLOBAL bool
+IRC_KILL( CLIENT *Client, REQUEST *Req )
{
- 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 */
+ CLIENT *prefix, *c;
+ char reason[COMMAND_LEN], *msg;
+ CONN_ID my_conn, conn;
-
-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))
+ if(( Client_Type( Client ) != CLIENT_SERVER ) &&
+ ( ! Client_OperByMe( Client )))
{
- /* 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;
+ /* The originator of the KILL is neither an IRC operator of
+ * this server nor a server. */
+ return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG,
+ Client_ID( Client ));
}
- 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 ))
+ if( Req->argc != 2 )
{
- /* Falsche Anzahl Parameter? */
- return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ /* This command requires exactly 2 parameters! */
+ 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;
- BOOLEAN ok;
- CLIENT *c;
- INT i;
-
- 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 );
-
- /* Alle bisherigen Server dem neuen Server bekannt machen,
- * die bisherigen Server ueber den neuen informierenn */
- c = Client_First( );
- while( c )
- {
- if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )))
- {
- 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_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 );
- }
-
- return CONNECTED;
- }
- else if( Client_Type( Client ) == CLIENT_SERVER )
+ if( Req->prefix ) prefix = Client_Search( Req->prefix );
+ else prefix = Client;
+ if( ! prefix )
{
- /* 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];
-
- /* Neue Client-Struktur anlegen */
- c = Client_NewRemoteServer( Client, Req->argv[0], 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, ", Req->prefix );
- 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": "" );
-
- return CONNECTED;
+ Log( LOG_WARNING, "Got KILL with invalid prefix: \"%s\"!",
+ Req->prefix );
+ prefix = Client_ThisServer( );
}
- else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-} /* IRC_SERVER */
-
-
-GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
-{
- assert( Client != NULL );
- assert( Req != NULL );
-
- if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
-
- return CONNECTED;
-} /* IRC_NJOIN */
-
-
-GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
-{
- CLIENT *intr_c, *target, *c;
-
- 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;
- }
-
- /* 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 ... */
-#ifndef STRICT_RFC
- 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;
- }
-
- if( Client_Type( Client ) == CLIENT_USER )
- {
- /* Nick-Aenderung: allen mitteilen! */
- Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
- IRC_WriteStrRelated( Client, "NICK :%s", Req->argv[0] );
- IRC_WriteStrServersPrefix( NULL, Client, "NICK :%s", Req->argv[0] );
- }
- else if( Client_Type( Client ) == CLIENT_SERVER )
- {
- /* Nick-Aenderung: allen mitteilen! */
- Log( LOG_DEBUG, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
- IRC_WriteStrServersPrefix( Client, Client, "NICK :%s", Req->argv[0] );
- }
-
- /* Client-Nick registrieren */
- Client_SetID( target, Req->argv[0] );
- if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
- {
- /* Neuer Client */
- Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
- if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
- else Client_SetType( Client, CLIENT_GOTNICK );
- }
- return CONNECTED;
- }
- else if( Client_Type( Client ) == CLIENT_SERVER )
+ if( Client != Client_ThisServer( ))
{
- /* 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] );
- 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] );
- 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], 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] );
- return CONNECTED;
- }
-
- 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;
+ /* This is a "real" KILL received from the network. */
+ Log( LOG_NOTICE|LOG_snotice, "Got KILL command from \"%s\" for \"%s\": %s",
+ Client_Mask( prefix ), Req->argv[0], Req->argv[1] );
}
- else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
-} /* IRC_NICK */
-
-
-GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
-{
- assert( Client != NULL );
- assert( Req != NULL );
-
-#ifndef STRICT_RFC
- if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
-#else
- if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
-#endif
- {
- /* Falsche Anzahl Parameter? */
- if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- Client_SetUser( Client, Req->argv[0], FALSE );
- Client_SetInfo( Client, Req->argv[3] );
-
- Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
- if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
- else Client_SetType( Client, CLIENT_GOTUSER );
- return CONNECTED;
- }
- else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
+ /* Build reason string */
+ if( Client_Type( Client ) == CLIENT_USER )
{
- return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
+ /* Prefix the "reason" if the originator is a regular user,
+ * so users can't spoof KILLs of servers. */
+ snprintf( reason, sizeof( reason ), "KILLed by %s: %s",
+ Client_ID( Client ), Req->argv[1] );
}
- else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
-} /* IRC_USER */
+ else
+ strlcpy( reason, Req->argv[1], sizeof( reason ));
+ /* Inform other servers */
+ IRC_WriteStrServersPrefix( Client, prefix, "KILL %s :%s",
+ Req->argv[0], reason );
-GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
-{
- CLIENT *target;
-
- assert( Client != NULL );
- assert( Req != NULL );
+ /* Save ID of this connection */
+ my_conn = Client_Conn( Client );
- 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 )
+ /* Do we host such a client? */
+ c = Client_Search( Req->argv[0] );
+ if( c )
{
- /* Server */
+ if(( Client_Type( c ) != CLIENT_USER ) &&
+ ( Client_Type( c ) != CLIENT_GOTNICK ))
+ {
+ /* 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. */
- /* Falsche Anzahl Parameter? */
- if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ 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 ));
+ }
- target = Client_Search( Req->prefix );
- if( ! target )
- {
- Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
- return CONNECTED;
+ Log( LOG_ERR, "Got KILL for invalid client type: %d, \"%s\"!",
+ Client_Type( c ), Req->argv[0] );
}
- if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
- else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
-
- return CONNECTED;
+ /* 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);
}
- else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
-} /* IRC_QUIT */
-
-
-GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
-{
- CLIENT *target;
-
- assert( Client != NULL );
- assert( Req != NULL );
-
- /* SQUIT ist nur fuer Server erlaubt */
- if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
-
- /* Falsche Anzahl Parameter? */
- if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ else
+ Log( LOG_NOTICE, "Client with nick \"%s\" is unknown here.", Req->argv[0] );
- 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] );
+ /* Are we still connected or were we killed, too? */
+ if(( my_conn > NONE ) && ( Conn_GetClient( my_conn )))
return CONNECTED;
- }
-
- if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
- else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
-
- /* SQUIT an alle Server weiterleiten */
- IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
-
- if( Client_Conn( target ) > NONE )
- {
- if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
- else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
- return DISCONNECTED;
- }
else
- {
- Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
- return CONNECTED;
- }
-} /* IRC_SQUIT */
-
-
-GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
-{
- 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 > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- 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 */
+ return DISCONNECTED;
+} /* IRC_KILL */
-GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
+/**
+ * Handler for the IRC command NOTICE.
+ */
+GLOBAL bool
+IRC_NOTICE(CLIENT *Client, REQUEST *Req)
{
- 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 );
-
- /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
- * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
-
- Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
- return CONNECTED;
-} /* IRC_PONG */
+ return Send_Message(Client, Req, CLIENT_USER, false);
+} /* IRC_NOTICE */
-GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
+/**
+ * Handler for the IRC command PRIVMSG.
+ */
+GLOBAL bool
+IRC_PRIVMSG(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 */
+ return Send_Message(Client, Req, CLIENT_USER, true);
+} /* IRC_PRIVMSG */
-GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
+/**
+ * Handler for the IRC command SQUERY.
+ */
+GLOBAL bool
+IRC_SQUERY(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 == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
- if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
- if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
-
- to = Client_Search( Req->argv[0] );
- if( to )
- {
- /* Okay, Ziel ist ein User */
- if( Client_Conn( from ) >= 0 ) Conn_UpdateIdle( Client_Conn( from ));
- return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
- }
- else return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
-} /* IRC_PRIVMSG */
+ return Send_Message(Client, Req, CLIENT_SERVICE, true);
+} /* IRC_SQUERY */
-GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
+GLOBAL bool
+IRC_TRACE( CLIENT *Client, REQUEST *Req )
{
- CLIENT *to, *from;
+ 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 != 2 ) return CONNECTED;
+ /* 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 );
- 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 x[2], new_modes[CLIENT_MODE_LEN], *ptr;
- BOOLEAN set, ok;
- CLIENT *target;
+ /* Search target */
+ if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
+ else target = Client_ThisServer( );
- 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 ) || ( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- /* "Ziel-Client" suchen */
- target = Client_Search( Req->argv[0] );
-
- /* Wer ist der Anfragende? */
- if( Client_Type( Client ) == CLIENT_USER )
- {
- /* User: MODE ist nur fuer sich selber zulaessig */
- if( target != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
- }
- else
+ /* Forward command to other server? */
+ if( target != Client_ThisServer( ))
{
- /* Server: gibt es den Client ueberhaupt? */
- if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
- }
-
- /* Werden die Modes erfragt? */
- if( Req->argc == 1 ) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( Client ));
+ if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
- ptr = Req->argv[1];
+ /* 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;
- /* Sollen Modes gesetzt oder geloescht werden? */
- if( *ptr == '+' ) set = TRUE;
- else if( *ptr == '-' ) set = FALSE;
- else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
-
- /* Reply-String mit Aenderungen vorbereiten */
- if( set ) strcpy( new_modes, "+" );
- else strcpy( new_modes, "-" );
+ /* Forward command */
+ IRC_WriteStrClientPrefix( target, from, "TRACE %s", Req->argv[0] );
+ return CONNECTED;
+ }
- ptr++;
- ok = TRUE;
- x[1] = '\0';
- while( *ptr )
+ /* Infos about all connected servers */
+ c = Client_First( );
+ while( c )
{
- x[0] = '\0';
- if( Client_Type( Client ) == CLIENT_SERVER )
- {
- x[0] = *ptr;
- ok = TRUE;
- }
- else
+ if( Client_Conn( c ) > NONE )
{
- switch( *ptr )
+ /* Local client */
+ if( Client_Type( c ) == CLIENT_SERVER )
{
- case 'i':
- /* invisible */
- x[0] = 'i';
- break;
- case 'r':
- /* restricted (kann nur gesetzt werden) */
- if( set ) x[0] = 'r';
- else ok = IRC_WriteStrClient( target, ERR_RESTRICTED_MSG, Client_ID( target ));
- break;
- case 'o':
- /* operator (kann nur geloescht werden) */
- if( ! set )
- {
- Client_SetOperByMe( target, FALSE );
- x[0] = 'o';
- }
- else ok = IRC_WriteStrClient( target, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( target ));
- break;
- default:
- ok = IRC_WriteStrClient( target, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( target ));
- x[0] = '\0';
+ /* 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;
}
}
- if( ! ok ) break;
-
- ptr++;
- if( ! x[0] ) continue;
-
- /* Okay, gueltigen Mode gefunden */
- if( set )
- {
- /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
- if( Client_ModeAdd( target, x[0] )) strcat( new_modes, x );
- }
- else
- {
- /* Modes geloescht. Wenn der Client ihn hatte: merken */
- if( Client_ModeDel( target, x[0] )) strcat( new_modes, x );
- }
- }
-
- /* Geanderte Modes? */
- if( new_modes[1] )
- {
- if( Client_Type( Client ) == CLIENT_SERVER )
- {
- /* Modes an andere Server forwarden */
- IRC_WriteStrServersPrefix( Client, Client, "MODE %s :%s", Client_ID( target ), new_modes );
- }
- else
- {
- /* Bestaetigung an Client schicken & andere Server informieren */
- ok = IRC_WriteStrRelated( Client, "MODE %s :%s", Client_ID( target ), new_modes );
- IRC_WriteStrServers( Client, "MODE %s :%s", Client_ID( target ), new_modes );
- }
- Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( target ), Client_Modes( target ));
+ c = Client_Next( c );
}
- return ok;
-} /* IRC_MODE */
+ 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_OPER( CLIENT *Client, REQUEST *Req )
+
+GLOBAL bool
+IRC_HELP( CLIENT *Client, REQUEST *Req )
{
- INT i;
-
+ COMMAND *cmd;
+
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 ));
- }
+ /* Bad number of arguments? */
+ if( Req->argc > 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
- /* Stimmt das Passwort? */
- if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
+ cmd = Parse_GetCommandStruct( );
+ while( cmd->name )
{
- 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( ! IRC_WriteStrClient( Client, "NOTICE %s :%s", Client_ID( Client ), cmd->name )) return DISCONNECTED;
+ cmd++;
}
- if( ! Client_HasMode( Client, 'o' ))
- {
- /* noch kein o-Mode gesetzt */
- Client_ModeAdd( Client, 'o' );
- if( ! IRC_WriteStrRelated( 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;
+ IRC_SetPenalty( Client, 2 );
return CONNECTED;
-} /* IRC_DIE */
+} /* IRC_HELP */
-GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
+static char *
+Option_String( CONN_ID Idx )
{
- assert( Client != NULL );
- assert( Req != NULL );
+ static char option_txt[8];
+ UINT16 options;
- if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+ options = Conn_Options(Idx);
- /* 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 ));
+ 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
- Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
- NGIRCd_Restart = TRUE;
- return CONNECTED;
-} /* IRC_RESTART */
+ return option_txt;
+} /* Option_String */
-GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
+static bool
+Send_Message(CLIENT * Client, REQUEST * Req, int ForceType, bool SendErrors)
{
- CHAR rpl[COMMAND_LEN];
- CLIENT *c;
-
- assert( Client != NULL );
- assert( Req != NULL );
+ CLIENT *cl, *from;
+ CHANNEL *chan;
+ char *currentTarget = Req->argv[0];
+ char *lastCurrentTarget = NULL;
- if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+ assert(Client != NULL);
+ assert(Req != NULL);
- /* Falsche Anzahl Parameter? */
- if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- /* Noch alle User ausgeben, die in keinem Channel sind */
- rpl[0] = '\0';
- c = Client_First( );
- while( c )
- {
- if( Client_Type( c ) == CLIENT_USER )
- {
- /* Okay, das ist ein User */
- strcat( rpl, Client_ID( c ));
- strcat( rpl, " " );
- }
-
- /* Antwort zu lang? Splitten. */
- if( strlen( rpl ) > 480 )
- {
- if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
- if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
- rpl[0] = '\0';
- }
-
- c = Client_Next( c );
+ if (Req->argc == 0) {
+ if (!SendErrors)
+ return CONNECTED;
+ return IRC_WriteStrClient(Client, ERR_NORECIPIENT_MSG,
+ Client_ID(Client), Req->command);
}
- if( rpl[0] )
- {
- /* es wurden User gefunden */
- if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
- if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) 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 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
-} /* 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 );
+ 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);
+
+ /* 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;
+ }
- 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, " " );
+ 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 (strcmp(nick, Client_ID(cl)) == 0 &&
+ strcmp(user, Client_User(cl)) == 0 &&
+ strcasecmp(host, Client_HostnameCloaked(cl)) == 0)
+ break;
+ else
+ continue;
+ }
+ if (strcasecmp(user, Client_User(cl)) != 0)
+ continue;
+ if (host != NULL && strcasecmp(host,
+ Client_HostnameCloaked(cl)) != 0)
+ continue;
+ if (server != NULL && strcasecmp(server,
+ Client_ID(Client_Introducer(cl))) != 0)
+ continue;
+ break;
}
- 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 *ptr = NULL;
-
- 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];
- }
+ if (cl) {
+ /* Target is a user, enforce type */
#ifndef STRICT_RFC
- else if( Client_Conn( c ) == NONE )
- {
- /* Client ist nicht von uns. Ziel-Server suchen */
- target = c;
- ptr = Req->argv[0];
- }
+ 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
- else target = NULL;
-
- if( target && ( 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;
-
- /* IRC-Operator? */
- if( Client_HasMode( c, 'o' ))
- {
- if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
- }
-
- /* Idle (nur lokale Clients) */
- if( Client_Conn( c ) > NONE )
- {
- if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
- }
-
- /* End of Whois */
- return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
-} /* IRC_WHOIS */
-
-
-GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
-{
- CHAR rpl[COMMAND_LEN];
- CLIENT *c;
- INT max, i;
-
- assert( Client != NULL );
- assert( Req != NULL );
-
- if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+ if (!SendErrors)
+ return CONNECTED;
+ return IRC_WriteStrClient(from, ERR_NOSUCHNICK_MSG,
+ Client_ID(from),
+ currentTarget);
+ }
- /* Falsche Anzahl Parameter? */
- if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+#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( 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 (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),
+ Req->argv[1]))
+ return DISCONNECTED;
+ } else if (ForceType != CLIENT_SERVICE
+ && (chan = Channel_Search(currentTarget))) {
+ if (!Channel_Write(chan, from, Client, Req->command,
+ SendErrors, Req->argv[1]))
+ 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,
+ Req->argv[1], SendErrors))
+ return DISCONNECTED;
+ } else {
+ if (!SendErrors)
+ return CONNECTED;
+ if (!IRC_WriteStrClient(from, ERR_NOSUCHNICK_MSG,
+ Client_ID(from), currentTarget))
+ return DISCONNECTED;
}
- }
- if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
-
- return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
-} /* IRC_USERHOST */
-
-
-GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
-{
- assert( Client != NULL );
- assert( Req != NULL );
-
- if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
- else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
- return CONNECTED;
-} /* IRC_ERROR */
-
-
-GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
-{
- 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 );
-
- return CONNECTED;
-} /* IRC_LUSERS */
-
-
-GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
-{
- CLIENT *target, *from, *c;
- CHAR *mask;
-
- assert( Client != NULL );
- assert( Req != NULL );
-
- if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
-
- /* Falsche Anzahl Parameter? */
- if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- /* Server-Mask ermitteln */
- if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
- else mask = "*";
-
- /* Absender ermitteln */
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
-
- /* An anderen Server forwarden? */
- if( Req->argc == 2 )
- {
- target = Client_GetFromID( Req->argv[0] );
- if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
- else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
+ currentTarget = strtok_r(NULL, ",", &lastCurrentTarget);
}
- /* 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_Introducer( c )), Client_Hops( c ), Client_Info( c ))) return DISCONNECTED;
+ return CONNECTED;
+} /* Send_Message */
+
+
+static bool
+Send_Message_Mask(CLIENT * from, char * command, char * targetMask,
+ char * message, bool SendErrors)
+{
+ 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;
}
- c = Client_Next( c );
- }
-
- return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
-} /* IRC_LINKS */
-
-
-LOCAL BOOLEAN Hello_User( CLIENT *Client )
-{
- assert( Client != NULL );
-
- /* Passwort ueberpruefen */
- if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
- {
- /* Falsches Passwort */
- Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
- Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
- return DISCONNECTED;
- }
-
- Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
-
- /* Andere Server informieren */
- IRC_WriteStrServers( NULL, "NICK %s 1 %s %s 1 +%s :%s", Client_ID( Client ), Client_User( Client ), Client_Hostname( Client ), Client_Modes( Client ), Client_Info( Client ));
-
- if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
- if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
- if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
- if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
-
- Client_SetType( Client, CLIENT_USER );
-
- return Show_MOTD( Client );
-} /* 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;
+ } 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;
}
}
- ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
-
- fclose( fd );
-
- return ok;
-} /* Show_MOTD */
-
-
-LOCAL VOID Kill_Nick( CHAR *Nick )
-{
- Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected!", Nick );
- /* FIXME */
- Log( LOG_ALERT, "[Kill_Nick() not implemented - OOOPS!]" );
-} /* Kill_Nick */
+ return CONNECTED;
+} /* Send_Message_Mask */
/* -eof- */