/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001 by Alexander Barton (alex@barton.de)
+ * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
*
* Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen
* der GNU General Public License (GPL), wie von der Free Software Foundation
* herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2
* der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version.
* Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
- * der an comBase beteiligten Autoren finden Sie in der Datei AUTHORS.
+ * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
*
- * $Id: irc.c,v 1.6 2001/12/25 23:13:33 alex Exp $
+ * $Id: irc.c,v 1.70 2002/02/26 22:06:40 alex Exp $
*
* irc.c: IRC-Befehle
*
* $Log: irc.c,v $
+ * 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.
*
#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 DISCONNECTED FALSE
-LOCAL BOOLEAN Check_Valid_User( CLIENT *Client );
-
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_Exit */
-GLOBAL BOOLEAN IRC_WriteStr_Client( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
+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];
- BOOLEAN ok = CONNECTED;
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;
- if( Client->conn_id != NONE )
+ /* An alle Clients, die in den selben Channels sind.
+ * Dabei aber nur einmal je Remote-Server */
+ cl2chan = Channel_FirstMember( Chan );
+ while( cl2chan )
{
- /* Lokaler Client */
- vsnprintf( buffer, 1000, Format, ap );
- if( Prefix ) ok = Conn_WriteStr( Client->conn_id, ":%s %s", Prefix->host, buffer );
- else ok = Conn_WriteStr( Client->conn_id, buffer );
+ 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 );
}
- else
+
+ /* Senden ... */
+ for( i = 0; i < MAX_CONNECTIONS; i++ )
{
- /* Remote-Client */
- Log( LOG_EMERG, "not implemented: IRC_WriteStr_Client()" );
+ 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 );
- return ok;
-} /* IRC_WriteStr_Client */
+ /* an den Client selber */
+ return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
+} /* IRC_WriteStrServers */
-GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
+
+GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
{
- assert( Client != NULL );
- assert( Req != NULL );
+ CHAR buffer[1000];
+ CLIENT *c;
+ va_list ap;
+
+ assert( Format != NULL );
+ assert( Prefix != NULL );
- if( Client->type == CLIENT_UNKNOWN )
+ va_start( ap, Format );
+ vsnprintf( buffer, 1000, Format, ap );
+ va_end( ap );
+
+ c = Client_First( );
+ while( c )
{
- Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client->conn_id );
- return IRC_WriteStr_Client( Client, This_Server, ERR_UNKNOWNCOMMAND_MSG, Req->command );
+ 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 );
}
- else return IRC_WriteStr_Client( Client, This_Server, ERR_ALREADYREGISTRED_MSG );
-} /* IRC_PASS */
+} /* IRC_WriteStrServersPrefix */
-GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
+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( Req != NULL );
+ assert( Prefix != NULL );
+ assert( Format != NULL );
- if( Client->type != CLIENT_SERVER && Client->type != CLIENT_SERVICE )
- {
- /* Falsche Anzahl Parameter? */
- if( Req->argc != 1 ) return IRC_WriteStr_Client( Client, This_Server, ERR_NEEDMOREPARAMS_MSG );
+ va_start( ap, Format );
+ vsnprintf( buffer, 1000, Format, ap );
+ va_end( ap );
- /* Nick zu lang? */
- if( strlen( Req->argv[0] ) > CLIENT_NICK_LEN ) return IRC_WriteStr_Client( Client, This_Server, ERR_ERRONEUSNICKNAME_MSG, Req->argv[0] );
+ /* initialisieren */
+ for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
- /* pruefen, ob Nick bereits vergeben */
- c = My_Clients;
- while( c )
+ /* 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 )
{
- if( strcasecmp( c->nick, Req->argv[0] ) == 0 )
+ c = Channel_GetClient( cl2chan );
+ if( ! Remote )
{
- /* den Nick gibt es bereits */
- return IRC_WriteStr_Client( Client, This_Server, ERR_NICKNAMEINUSE_MSG, Req->argv[0] );
+ if( Client_Conn( c ) <= NONE ) c = NULL;
+ else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
}
- c = c->next;
- }
+ if( c ) c = Client_NextHop( c );
- /* Client-Nick registrieren */
- strcpy( Client->nick, Req->argv[0] );
+ 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 );
+ }
- if( Client->type != CLIENT_USER )
+ /* Senden ... */
+ for( i = 0; i < MAX_CONNECTIONS; i++ )
+ {
+ if( sock[i] )
{
- /* Neuer Client */
- Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client->conn_id );
- if( Client->type == CLIENT_GOTUSER ) return Hello_User( Client );
- else Client->type = CLIENT_GOTNICK;
+ 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 CONNECTED;
}
- else return IRC_WriteStr_Client( Client, This_Server, ERR_ALREADYREGISTRED_MSG );
-} /* IRC_NICK */
+ return ok;
+} /* IRC_WriteStrRelatedPrefix */
-GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
+
+GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
{
assert( Client != NULL );
assert( Req != NULL );
- if( Client->type == CLIENT_UNKNOWN || Client->type == CLIENT_GOTNICK || Client->type == CLIENT_GOTPASS )
+ /* 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))
{
- /* Falsche Anzahl Parameter? */
- if( Req->argc != 4 ) return IRC_WriteStr_Client( Client, This_Server, ERR_NEEDMOREPARAMS_MSG );
+ /* noch nicht registrierte unbekannte Verbindung */
+ Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
+
+ /* Passwort speichern */
+ Client_SetPassword( Client, Req->argv[0] );
- strncpy( Client->user, Req->argv[0], CLIENT_USER_LEN );
- Client->user[CLIENT_USER_LEN] = '\0';
- strncpy( Client->name, Req->argv[3], CLIENT_NAME_LEN );
- Client->name[CLIENT_NAME_LEN] = '\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] );
- Log( LOG_DEBUG, "Connection %d: got USER command ...", Client->conn_id );
- if( Client->type == CLIENT_GOTNICK ) return Hello_User( Client );
- else Client->type = CLIENT_GOTUSER;
+ Client_SetType( Client, CLIENT_GOTPASSSERVER );
return CONNECTED;
}
- else if( Client->type == CLIENT_USER || Client->type == CLIENT_SERVER || Client->type == CLIENT_SERVICE )
+ else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
{
- return IRC_WriteStr_Client( Client, This_Server, ERR_ALREADYREGISTRED_MSG );
+ /* Falsche Anzahl Parameter? */
+ return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
}
- else return IRC_WriteStr_Client( Client, This_Server, ERR_NOTREGISTERED_MSG );
-} /* IRC_USER */
+ else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
+} /* IRC_PASS */
-GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
+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 );
- if( Client->type != CLIENT_SERVER && Client->type != CLIENT_SERVICE )
+ /* 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 > 1 ) return IRC_WriteStr_Client( Client, This_Server, ERR_NEEDMOREPARAMS_MSG );
+ if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- Conn_Close( Client->conn_id, "Client wants to quit." );
- return DISCONNECTED;
+ /* Ist dieser Server bei uns konfiguriert? */
+ for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
+ if( i >= Conf_Server_Count )
+ {
+ /* Server ist nicht konfiguriert! */
+ Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
+ Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
+ return DISCONNECTED;
+ }
+ if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
+ {
+ /* Falsches Passwort */
+ Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
+ Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
+ return DISCONNECTED;
+ }
+
+ /* Ist ein Server mit dieser ID bereits registriert? */
+ if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
+
+ /* Server-Strukturen fuellen ;-) */
+ Client_SetID( Client, Req->argv[0] );
+ Client_SetHops( Client, 1 );
+ Client_SetInfo( Client, Req->argv[Req->argc - 1] );
+
+ /* Meldet sich der Server bei uns an? */
+ if( Req->argc == 2 )
+ {
+ /* Unseren SERVER- und PASS-Befehl senden */
+ ok = TRUE;
+ if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
+ else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
+ if( ! ok )
+ {
+ Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
+ return DISCONNECTED;
+ }
+ Client_SetIntroducer( Client, Client );
+ Client_SetToken( Client, 1 );
+ }
+ else Client_SetToken( Client, atoi( Req->argv[1] ));
+
+ Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
+
+ Client_SetType( Client, CLIENT_SERVER );
+
+ /* maximalen Hop Count ermitteln */
+ max_hops = 0;
+ c = Client_First( );
+ while( c )
+ {
+ if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
+ c = Client_Next( c );
+ }
+
+ /* Alle bisherigen Server dem neuen Server bekannt machen,
+ * die bisherigen Server ueber den neuen informierenn */
+ for( i = 0; i < ( max_hops + 1 ); i++ )
+ {
+ c = Client_First( );
+ while( c )
+ {
+ if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
+ {
+ if( Client_Conn( c ) > NONE )
+ {
+ /* Dem gefundenen Server gleich den neuen
+ * Server bekannt machen */
+ if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
+ }
+
+ /* Den neuen Server ueber den alten informieren */
+ if( ! IRC_WriteStrClientPrefix( Client, Client_Hops( c ) == 1 ? Client_ThisServer( ) : Client_Introducer( c ), "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ))) return DISCONNECTED;
+ }
+ c = Client_Next( c );
+ }
+ }
+
+ /* alle User dem neuen Server bekannt machen */
+ c = Client_First( );
+ while( c )
+ {
+ if( Client_Type( c ) == CLIENT_USER )
+ {
+ /* User an neuen Server melden */
+ if( ! IRC_WriteStrClient( Client, "NICK %s %d %s %s %d +%s :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_User( c ), Client_Hostname( c ), Client_MyToken( Client_Introducer( c )), Client_Modes( c ), Client_Info( c ))) return DISCONNECTED;
+ }
+ c = Client_Next( c );
+ }
+
+ /* Channels dem neuen Server bekannt machen */
+ chan = Channel_First( );
+ while( chan )
+ {
+ sprintf( str, "NJOIN %s :", Channel_Name( chan ));
+
+ /* alle Member suchen */
+ cl2chan = Channel_FirstMember( chan );
+ while( cl2chan )
+ {
+ cl = Channel_GetClient( cl2chan );
+ assert( cl != NULL );
+
+ /* Nick, ggf. mit Modes, anhaengen */
+ if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
+ if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
+ if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
+ strcat( str, Client_ID( cl ));
+
+ if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
+ {
+ /* Zeile senden */
+ if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
+ sprintf( str, "NJOIN %s :", Channel_Name( chan ));
+ }
+
+ cl2chan = Channel_NextMember( chan, cl2chan );
+ }
+
+ /* noch Daten da? */
+ if( str[strlen( str ) - 1] != ':')
+ {
+ /* Ja; Also senden ... */
+ if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
+ }
+
+ /* naechsten Channel suchen */
+ chan = Channel_Next( chan );
+ }
+
+ return CONNECTED;
}
- else return IRC_WriteStr_Client( Client, This_Server, ERR_NOTREGISTERED_MSG );
-} /* IRC_QUIT */
+ 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 );
-GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
-{
- assert( Client != NULL );
- assert( Req != NULL );
+ /* Ist ein Server mit dieser ID bereits registriert? */
+ if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
- if( ! Check_Valid_User( Client )) return CONNECTED;
+ /* Ueberfluessige Hostnamen aus Info-Text entfernen */
+ ptr = strchr( Req->argv[3] + 2, '[' );
+ if( ! ptr ) ptr = Req->argv[3];
- /* Falsche Anzahl Parameter? */
- if( Req->argc != 0 ) return IRC_WriteStr_Client( Client, This_Server, ERR_NEEDMOREPARAMS_MSG );
+ 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;
+ }
- return Show_MOTD( Client );
-} /* IRC_MOTD */
+ /* 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 ));
-LOCAL BOOLEAN Check_Valid_User( CLIENT *Client )
+ 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 );
- if( Client->type != CLIENT_USER )
+ channame = Req->argv[0];
+ ptr = strtok( Req->argv[1], "," );
+ while( ptr )
{
- IRC_WriteStr_Client( Client, This_Server, ERR_NOTREGISTERED_MSG );
- return FALSE;
- }
- else return TRUE;
-} /* Check_Valid_User */
+ 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' );
-LOCAL BOOLEAN Hello_User( CLIENT *Client )
-{
- Log( LOG_INFO, "User \"%s!%s@%s\" (%s) registered.", Client->nick, Client->user, Client->host, Client->name );
+ /* im Channel bekannt machen */
+ IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
- IRC_WriteStr_Client( Client, This_Server, RPL_WELCOME_MSG, Client->nick, Client->nick, Client->user, Client->host );
- IRC_WriteStr_Client( Client, This_Server, RPL_YOURHOST_MSG, Client->nick, This_Server->host );
- IRC_WriteStr_Client( Client, This_Server, RPL_CREATED_MSG, Client->nick );
- IRC_WriteStr_Client( Client, This_Server, RPL_MYINFO_MSG, Client->nick, This_Server->host );
+ /* 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, "," );
+ }
- Client->type = CLIENT_USER;
+ /* an andere Server weiterleiten */
+ IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
- return Show_MOTD( Client );
-} /* Hello_User */
+ return CONNECTED;
+} /* IRC_NJOIN */
-LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
+GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
{
- IRC_WriteStr_Client( Client, This_Server, RPL_MOTDSTART_MSG, Client->nick, This_Server->host );
- IRC_WriteStr_Client( Client, This_Server, RPL_MOTD_MSG, Client->nick, "Some cool IRC server welcome message ;-)" );
- return IRC_WriteStr_Client( Client, This_Server, RPL_ENDOFMOTD_MSG, Client->nick );
-} /* Show_MOTD */
+ CLIENT *intr_c, *target, *c;
+ CHAR *modes;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
+#ifndef STRICT_RFC
+ if( Client_Type( Client ) == CLIENT_UNKNOWN || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTUSER || Client_Type( Client ) == CLIENT_USER || ( Client_Type( Client ) == CLIENT_SERVER && Req->argc == 1 ))
+#else
+ if( Client_Type( Client ) == CLIENT_UNKNOWN || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_USER || ( Client_Type( Client ) == CLIENT_SERVER && Req->argc == 1 ))
+#endif
+ {
+ /* User-Registrierung bzw. Nick-Aenderung */
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ /* "Ziel-Client" ermitteln */
+ if( Client_Type( Client ) == CLIENT_SERVER )
+ {
+ target = Client_GetFromID( Req->prefix );
+ if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
+ }
+ else
+ {
+ /* Ist der Client "restricted"? */
+ if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
+ target = Client;
+ }
+
+#ifndef STRICT_RFC
+ /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
+ * wir nichts. So macht es das Original und mind. Snak hat probleme,
+ * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
+ if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
+#endif
+
+ /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
+ * will nur die Gross- und Kleinschreibung aendern. Das darf
+ * er natuerlich machen :-) */
+ if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
+ {
+ if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
+ }
+
+ /* Nick-Aenderung: allen mitteilen! */
+
+ if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClientPrefix( Client, Client, "NICK :%s", Req->argv[0] );
+ IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
+ IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] );
+
+ if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
+ {
+ /* Neuer Client */
+ Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
+ if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
+ else Client_SetType( Client, CLIENT_GOTNICK );
+ }
+ else Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
+
+ /* Client-Nick registrieren */
+ Client_SetID( target, Req->argv[0] );
+
+ return CONNECTED;
+ }
+ else if( Client_Type( Client ) == CLIENT_SERVER )
+ {
+ /* Server fuehrt neuen Client ein */
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ /* Nick ueberpruefen */
+ c = Client_GetFromID( Req->argv[0] );
+ if( c )
+ {
+ /* Der neue Nick ist auf diesem Server bereits registriert:
+ * sowohl der neue, als auch der alte Client muessen nun
+ * disconnectiert werden. */
+ Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
+ Kill_Nick( Req->argv[0], "Nick collision" );
+ return CONNECTED;
+ }
+
+ /* Server, zu dem der Client connectiert ist, suchen */
+ intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
+ if( ! intr_c )
+ {
+ Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
+ Kill_Nick( Req->argv[0], "Unknown server" );
+ return CONNECTED;
+ }
+
+ /* Neue Client-Struktur anlegen */
+ c = Client_NewRemoteUser( intr_c, Req->argv[0], atoi( Req->argv[1] ), Req->argv[2], Req->argv[3], atoi( Req->argv[4] ), Req->argv[5] + 1, Req->argv[6], TRUE );
+ if( ! c )
+ {
+ /* Eine neue Client-Struktur konnte nicht angelegt werden.
+ * Der Client muss disconnectiert werden, damit der Netz-
+ * status konsistent bleibt. */
+ Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
+ Kill_Nick( Req->argv[0], "Server error" );
+ return CONNECTED;
+ }
+
+ modes = Client_Modes( c );
+ if( *modes ) Log( LOG_DEBUG, "User \"%s\" (+%s) registered (via %s, on %s, %d hop%s).", Client_Mask( c ), modes, Client_ID( Client ), Client_ID( intr_c ), Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" );
+ else Log( LOG_DEBUG, "User \"%s\" registered (via %s, on %s, %d hop%s).", Client_Mask( c ), Client_ID( Client ), Client_ID( intr_c ), Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" );
+
+ /* Andere Server, ausser dem Introducer, informieren */
+ IRC_WriteStrServersPrefix( Client, Client, "NICK %s %d %s %s %d %s :%s", Req->argv[0], atoi( Req->argv[1] ) + 1, Req->argv[2], Req->argv[3], Client_MyToken( intr_c ), Req->argv[5], Req->argv[6] );
+
+ return CONNECTED;
+ }
+ else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
+} /* IRC_NICK */
+
+
+GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
+{
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+#ifndef STRICT_RFC
+ if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
+#else
+ if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
+#endif
+ {
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ Client_SetUser( Client, Req->argv[0], FALSE );
+ Client_SetInfo( Client, Req->argv[3] );
+
+ Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
+ if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
+ else Client_SetType( Client, CLIENT_GOTUSER );
+ return CONNECTED;
+ }
+ else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
+ {
+ return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
+ }
+ else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+} /* IRC_USER */
+
+
+GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
+{
+ CLIENT *target;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
+ {
+ /* User / Service */
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
+ else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
+
+ return DISCONNECTED;
+ }
+ else if ( Client_Type( Client ) == CLIENT_SERVER )
+ {
+ /* Server */
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ target = Client_Search( Req->prefix );
+ if( ! target )
+ {
+ Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
+ return CONNECTED;
+ }
+
+ if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
+ else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
+
+ return CONNECTED;
+ }
+ else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+} /* IRC_QUIT */
+
+
+GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
+{
+ CLIENT *target;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ /* SQUIT ist nur fuer Server erlaubt */
+ if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ target = Client_GetFromID( Req->argv[0] );
+ if( ! target )
+ {
+ Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
+ return CONNECTED;
+ }
+
+ if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
+ else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
+
+ /* SQUIT an alle Server weiterleiten */
+ IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
+
+ if( Client_Conn( target ) > NONE )
+ {
+ if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
+ else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
+ return DISCONNECTED;
+ }
+ else
+ {
+ Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
+ return CONNECTED;
+ }
+} /* IRC_SQUIT */
+
+
+GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
+{
+ CLIENT *target, *from;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
+ if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ if( Req->argc == 2 )
+ {
+ /* es wurde ein Ziel-Client angegeben */
+ target = Client_GetFromID( Req->argv[1] );
+ if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
+ if( target != Client_ThisServer( ))
+ {
+ /* ok, forwarden */
+ if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
+ else from = Client;
+ if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
+ return IRC_WriteStrClientPrefix( Client_NextHop( 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( Client_NextHop( target ), from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
+ }
+ }
+
+ /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
+ * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
+
+ if( Client_Conn( Client ) > NONE ) Log( LOG_DEBUG, "Connection %d: received PONG. Lag: %ld seconds.", Client_Conn( Client ), time( NULL ) - Conn_LastPing( Client_Conn( Client )));
+ else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
+
+ return CONNECTED;
+} /* IRC_PONG */
+
+
+GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
+{
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ return Show_MOTD( Client );
+} /* IRC_MOTD */
+
+
+GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
+{
+ CLIENT *to, *from;
+ CHANNEL *chan;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
+ if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
+ if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
+ else from = Client;
+ if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+
+ to = Client_Search( Req->argv[0] );
+ if( to )
+ {
+ /* Okay, Ziel ist ein User */
+ if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
+ return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
+ }
+
+ chan = Channel_Search( Req->argv[0] );
+ if( chan )
+ {
+ /* Okay, Ziel ist ein Channel */
+ if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
+ return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
+ }
+
+ return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
+} /* IRC_PRIVMSG */
+
+
+GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
+{
+ CLIENT *to, *from;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc != 2 ) return CONNECTED;
+
+ if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
+ else from = Client;
+ if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+
+ to = Client_Search( Req->argv[0] );
+ if( to )
+ {
+ /* Okay, Ziel ist ein User */
+ return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
+ }
+ else return CONNECTED;
+} /* IRC_NOTICE */
+
+
+GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
+{
+ CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
+ CLIENT *cl, *chan_cl, *prefix;
+ BOOLEAN set, ok;
+ CHANNEL *chan;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ cl = chan_cl = prefix = NULL;
+ chan = NULL;
+
+ /* Valider Client? */
+ if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Keine Parameter? */
+ if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ /* Ziel suchen: Client bzw. Channel */
+ if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
+ if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
+
+ /* Kein Ziel gefunden? */
+ if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
+
+ assert(( cl && chan ) != TRUE );
+
+ /* Falsche Anzahl Parameter? */
+ if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
+ if(( chan ) && (Req->argc == 3 ))
+ {
+ chan_cl = Client_Search( Req->argv[2] );
+ if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
+ }
+
+ /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
+ if( Client_Type( Client ) == CLIENT_USER )
+ {
+ if( cl )
+ {
+ /* MODE ist nur fuer sich selber zulaessig! */
+ if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
+ }
+ if( chan )
+ {
+ /* Darf der User die Channel-Modes ermitteln? */
+ }
+ }
+
+ /* Werden die Modes "nur" erfragt? */
+ if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
+ if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
+
+ mode_ptr = Req->argv[1];
+
+ /* Sollen Modes gesetzt oder geloescht werden? */
+ if( cl )
+ {
+ if( *mode_ptr == '+' ) set = TRUE;
+ else if( *mode_ptr == '-' ) set = FALSE;
+ else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
+ mode_ptr++;
+ }
+ else
+ {
+ if( *mode_ptr == '-' ) set = FALSE;
+ else set = TRUE;
+ if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
+ }
+
+ /* Prefix fuer Antworten etc. ermitteln */
+ if( Client_Type( Client ) == CLIENT_SERVER )
+ {
+ prefix = Client_GetFromID( Req->prefix );
+ if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+ }
+ else prefix = Client;
+
+ /* Reply-String mit Aenderungen vorbereiten */
+ if( set ) strcpy( the_modes, "+" );
+ else strcpy( the_modes, "-" );
+
+ ok = TRUE;
+ x[1] = '\0';
+ while( *mode_ptr )
+ {
+ x[0] = '\0';
+ if( Client_Type( Client ) == CLIENT_SERVER )
+ {
+ /* Befehl kommt von einem Server, daher
+ * trauen wir ihm "unbesehen" ... */
+ x[0] = *mode_ptr;
+ }
+ else
+ {
+ /* Modes validieren */
+ if( cl )
+ {
+ /* User-Modes */
+ switch( *mode_ptr )
+ {
+ case 'i':
+ /* invisible */
+ x[0] = 'i';
+ break;
+ case 'r':
+ /* restricted (kann nur gesetzt werden) */
+ if( set ) x[0] = 'r';
+ else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
+ break;
+ case 'o':
+ /* operator (kann nur geloescht werden) */
+ if( ! set )
+ {
+ Client_SetOperByMe( Client, FALSE );
+ x[0] = 'o';
+ }
+ else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
+ break;
+ default:
+ Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
+ ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
+ x[0] = '\0';
+ }
+ }
+ if( chan )
+ {
+ /* Ist der User ein Channel Operator? */
+ if( ! strchr( Channel_UserModes( chan, Client ), 'o' ))
+ {
+ Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
+ ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
+ break;
+ }
+
+ /* Channel-Modes oder Channel-User-Modes */
+ if( chan_cl )
+ {
+ /* Channel-User-Modes */
+ switch( *mode_ptr )
+ {
+ case 'o':
+ /* Channel Operator */
+ x[0] = 'o';
+ break;
+ case 'v':
+ /* Voice */
+ x[0] = 'v';
+ break;
+ default:
+ Log( LOG_DEBUG, "Unknown channel-user-mode \"%c%c\" from \"%s\" on \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Client_ID( chan_cl ), Channel_Name( chan ));
+ ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
+ x[0] = '\0';
+ }
+ }
+ else
+ {
+ /* Channel-Modes */
+ switch( *mode_ptr )
+ {
+ case 'a':
+ /* Anonymous */
+ x[0] = 'a';
+ break;
+ case 'm':
+ /* Moderated */
+ x[0] = 'm';
+ break;
+ case 'n':
+ /* kein Schreiben in den Channel von aussen */
+ x[0] = 'n';
+ break;
+ case 'p':
+ /* Private */
+ x[0] = 'p';
+ break;
+ case 'q':
+ /* Quite */
+ x[0] = 'q';
+ break;
+ case 's':
+ /* Secret */
+ x[0] = 's';
+ break;
+ case 't':
+ /* Topic Lock */
+ x[0] = 't';
+ break;
+ default:
+ Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
+ ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
+ x[0] = '\0';
+ }
+ }
+ }
+ }
+ if( ! ok ) break;
+
+ mode_ptr++;
+ if( ! x[0] ) continue;
+
+ /* Okay, gueltigen Mode gefunden */
+ if( cl )
+ {
+ /* Es geht um User-Modes */
+ if( set )
+ {
+ /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
+ if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
+ }
+ else
+ {
+ /* Modes geloescht. Wenn der Client ihn hatte: merken */
+ if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
+ }
+ }
+ if( chan )
+ {
+ /* Es geht um Channel-Modes oder Channel-User-Modes */
+ if( chan_cl )
+ {
+ /* Channel-User-Modes */
+ if( set )
+ {
+ /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
+ if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
+ }
+ else
+ {
+ /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
+ if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
+ }
+ }
+ else
+ {
+ /* Channel-Mode */
+ if( set )
+ {
+ /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
+ if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
+ }
+ else
+ {
+ /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
+ if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
+ }
+ }
+ }
+ }
+
+ /* Wurden Modes geaendert? */
+ if( the_modes[1] )
+ {
+ if( cl )
+ {
+ /* Client-Mode */
+ if( Client_Type( Client ) == CLIENT_SERVER )
+ {
+ /* Modes an andere Server forwarden */
+ IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
+ }
+ else
+ {
+ /* Bestaetigung an Client schicken & andere Server informieren */
+ ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
+ IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
+ }
+ Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
+ }
+ if( chan )
+ {
+ /* Channel-Modes oder Channel-User-Mode */
+ if( chan_cl )
+ {
+ /* Channel-User-Mode */
+ if( Client_Type( Client ) == CLIENT_SERVER )
+ {
+ /* Modes an andere Server und Channel-User forwarden */
+ IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
+ IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
+ }
+ else
+ {
+ /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
+ ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
+ IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
+ IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
+ }
+ Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
+ }
+ else
+ {
+ /* Channel-Mode */
+ if( Client_Type( Client ) == CLIENT_SERVER )
+ {
+ /* Modes an andere Server und Channel-User forwarden */
+ IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
+ IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
+ }
+ else
+ {
+ /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
+ ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
+ IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
+ IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
+ }
+ Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
+ }
+ }
+ }
+
+ return ok;
+} /* IRC_MODE */
+
+
+GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
+{
+ INT i;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ /* Operator suchen */
+ for( i = 0; i < Conf_Oper_Count; i++)
+ {
+ if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
+ }
+ if( i >= Conf_Oper_Count )
+ {
+ Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
+ return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
+ }
+
+ /* Stimmt das Passwort? */
+ if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
+ {
+ Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
+ return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
+ }
+
+ if( ! Client_HasMode( Client, 'o' ))
+ {
+ /* noch kein o-Mode gesetzt */
+ Client_ModeAdd( Client, 'o' );
+ if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
+ IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
+ }
+
+ if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
+
+ Client_SetOperByMe( Client, TRUE );
+ return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
+} /* IRC_OPER */
+
+
+GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
+{
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
+
+ Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
+ NGIRCd_Quit = TRUE;
+ return CONNECTED;
+} /* IRC_DIE */
+
+
+GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
+{
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
+
+ Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
+ NGIRCd_Restart = TRUE;
+ return CONNECTED;
+} /* IRC_RESTART */
+
+
+GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
+{
+ CHAR rpl[COMMAND_LEN];
+ CLIENT *c;
+
+ 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 );
+
+ /* 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( 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;
+ }
+ 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 );
+
+ strcpy( rpl, RPL_ISON_MSG );
+ for( i = 0; i < Req->argc; i++ )
+ {
+ ptr = strtok( Req->argv[i], " " );
+ while( ptr )
+ {
+ ngt_TrimStr( ptr );
+ c = Client_GetFromID( ptr );
+ if( c && ( Client_Type( c ) == CLIENT_USER ))
+ {
+ /* Dieser Nick ist "online" */
+ strcat( rpl, ptr );
+ strcat( rpl, " " );
+ }
+ ptr = strtok( NULL, " " );
+ }
+ }
+ if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
+
+ return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
+} /* IRC_ISON */
+
+
+GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
+{
+ CLIENT *from, *target, *c;
+ CHAR str[LINE_LEN + 1], *ptr = NULL;
+ CL2CHAN *cl2chan;
+ CHANNEL *chan;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ /* Client suchen */
+ c = Client_GetFromID( Req->argv[Req->argc - 1] );
+ if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
+
+ /* Empfaenger des WHOIS suchen */
+ if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
+ else from = Client;
+ if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+
+ /* Forwarden an anderen Server? */
+ if( Req->argc > 1 )
+ {
+ /* angegebenen Ziel-Server suchen */
+ target = Client_GetFromID( Req->argv[1] );
+ if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
+ ptr = Req->argv[1];
+ }
+ else target = Client_ThisServer( );
+
+ assert( target != NULL );
+
+ if(( Client_NextHop( target ) != Client_ThisServer( )) && ( Client_Type( Client_NextHop( target )) == CLIENT_SERVER )) return IRC_WriteStrClientPrefix( target, from, "WHOIS %s :%s", Req->argv[0], ptr );
+
+ /* Nick, User und Name */
+ if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
+
+ /* Server */
+ if( ! IRC_WriteStrClient( from, RPL_WHOISSERVER_MSG, Client_ID( from ), Client_ID( c ), Client_ID( Client_Introducer( c )), Client_Info( Client_Introducer( c )))) return DISCONNECTED;
+
+ /* Channels */
+ sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
+ cl2chan = Channel_FirstChannelOf( c );
+ while( cl2chan )
+ {
+ chan = Channel_GetChannel( cl2chan );
+ assert( chan != NULL );
+
+ /* Channel-Name anhaengen */
+ if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
+ if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
+ if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
+ strcat( str, Channel_Name( chan ));
+
+ if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
+ {
+ /* Zeile wird zu lang: senden! */
+ if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
+ sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
+ }
+
+ /* naechstes Mitglied suchen */
+ cl2chan = Channel_NextChannelOf( c, cl2chan );
+ }
+ if( str[strlen( str ) - 1] != ':')
+ {
+ /* Es sind noch Daten da, die gesendet werden muessen */
+ if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
+ }
+
+ /* IRC-Operator? */
+ if( Client_HasMode( c, 'o' ))
+ {
+ if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
+ }
+
+ /* Idle (nur lokale Clients) */
+ if( Client_Conn( c ) > NONE )
+ {
+ if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
+ }
+
+ /* End of Whois */
+ return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
+} /* IRC_WHOIS */
+
+
+GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
+{
+ CHAR rpl[COMMAND_LEN];
+ CLIENT *c;
+ INT max, i;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ if( Req->argc > 5 ) max = 5;
+ else max = Req->argc;
+
+ strcpy( rpl, RPL_USERHOST_MSG );
+ for( i = 0; i < max; i++ )
+ {
+ c = Client_GetFromID( Req->argv[i] );
+ if( c && ( Client_Type( c ) == CLIENT_USER ))
+ {
+ /* Dieser Nick ist "online" */
+ strcat( rpl, Client_ID( c ));
+ if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
+ strcat( rpl, "=" );
+ if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
+ else strcat( rpl, "+" );
+ strcat( rpl, Client_User( c ));
+ strcat( rpl, "@" );
+ strcat( rpl, Client_Hostname( c ));
+ strcat( rpl, " " );
+ }
+ }
+ if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
+
+ return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
+} /* IRC_USERHOST */
+
+
+GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
+{
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
+ else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
+
+ return CONNECTED;
+} /* IRC_ERROR */
+
+
+GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
+{
+ CLIENT *target, *from;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ /* Absender ermitteln */
+ if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
+ else from = Client;
+ if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+
+ /* An anderen Server forwarden? */
+ if( Req->argc == 2 )
+ {
+ target = Client_GetFromID( Req->argv[1] );
+ if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
+ else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
+ }
+
+ /* Wer ist der Absender? */
+ if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
+ else target = Client;
+ if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+
+ Send_LUSERS( target );
+
+ return CONNECTED;
+} /* IRC_LUSERS */
+
+
+GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
+{
+ CLIENT *target, *from, *c;
+ CHAR *mask;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ /* Server-Mask ermitteln */
+ if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
+ else mask = "*";
+
+ /* Absender ermitteln */
+ if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
+ else from = Client;
+ if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+
+ /* An anderen Server forwarden? */
+ if( Req->argc == 2 )
+ {
+ target = Client_GetFromID( Req->argv[0] );
+ if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
+ else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
+ }
+
+ /* Wer ist der Absender? */
+ if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
+ else target = Client;
+ if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+
+ c = Client_First( );
+ while( c )
+ {
+ if( Client_Type( c ) == CLIENT_SERVER )
+ {
+ if( ! IRC_WriteStrClient( target, RPL_LINKS_MSG, Client_ID( target ), Client_ID( c ), Client_ID( Client_TopServer( c ) ? Client_TopServer( c ) : Client_ThisServer( )), Client_Hops( c ), Client_Info( c ))) return DISCONNECTED;
+ }
+ c = Client_Next( c );
+ }
+
+ return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
+} /* IRC_LINKS */
+
+
+GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
+{
+ CHAR *channame, *flags, modes[8];
+ BOOLEAN is_new_chan;
+ CLIENT *target;
+ CHANNEL *chan;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ /* Wer ist der Absender? */
+ if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
+ else target = Client;
+ if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+
+ /* Channel-Namen durchgehen */
+ channame = strtok( Req->argv[0], "," );
+ while( channame )
+ {
+ /* wird der Channel neu angelegt? */
+ flags = NULL;
+
+ if( Channel_Search( channame )) is_new_chan = FALSE;
+ else is_new_chan = TRUE;
+
+ /* Hat ein Server Channel-User-Modes uebergeben? */
+ if( Client_Type( Client ) == CLIENT_SERVER )
+ {
+ /* Channel-Flags extrahieren */
+ flags = strchr( channame, 0x7 );
+ if( flags ) *flags++ = '\0';
+ }
+
+ /* neuer Channel udn lokaler Client? */
+ if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
+ {
+ /* Dann soll der Client Channel-Operator werden! */
+ flags = "o";
+ }
+
+ /* Channel joinen (und ggf. anlegen) */
+ if( ! Channel_Join( target, channame ))
+ {
+ /* naechsten Namen ermitteln */
+ channame = strtok( NULL, "," );
+ continue;
+ }
+ chan = Channel_Search( channame );
+ assert( chan != NULL );
+
+ /* Modes setzen (wenn vorhanden) */
+ while( flags && *flags )
+ {
+ Channel_UserModeAdd( chan, target, *flags );
+ flags++;
+ }
+
+ /* Muessen Modes an andere Server gemeldet werden? */
+ strcpy( &modes[1], Channel_UserModes( chan, target ));
+ if( modes[1] ) modes[0] = 0x7;
+ else modes[0] = '\0';
+
+ /* An andere Server weiterleiten */
+ IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
+
+ /* im Channel bekannt machen */
+ IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
+ if( modes[1] )
+ {
+ /* Modes im Channel bekannt machen */
+ IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
+ }
+
+ if( Client_Type( Client ) == CLIENT_USER )
+ {
+ /* an Client bestaetigen */
+ IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
+ /* Topic an Client schicken */
+ IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
+ /* Mitglieder an Client Melden */
+ Send_NAMES( Client, chan );
+ }
+
+ /* naechsten Namen ermitteln */
+ channame = strtok( NULL, "," );
+ }
+ return CONNECTED;
+} /* IRC_JOIN */
+
+
+GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
+{
+ CLIENT *target;
+ CHAR *chan;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ /* Wer ist der Absender? */
+ if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
+ else target = Client;
+ if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+
+ /* Channel-Namen durchgehen */
+ chan = strtok( Req->argv[0], "," );
+ while( chan )
+ {
+ if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
+ {
+ /* naechsten Namen ermitteln */
+ chan = strtok( NULL, "," );
+ continue;
+ }
+
+ /* naechsten Namen ermitteln */
+ chan = strtok( NULL, "," );
+ }
+ return CONNECTED;
+} /* IRC_PART */
+
+
+GLOBAL BOOLEAN IRC_VERSION( CLIENT *Client, REQUEST *Req )
+{
+ CLIENT *target, *prefix;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ /* Falsche Anzahl Parameter? */
+ if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ /* Ziel suchen */
+ if( Req->argc == 1 ) target = Client_GetFromID( Req->argv[0] );
+ else target = Client_ThisServer( );
+
+ /* Prefix ermitteln */
+ if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_GetFromID( Req->prefix );
+ else prefix = Client;
+ if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
+
+ /* An anderen Server weiterleiten? */
+ if( target != Client_ThisServer( ))
+ {
+ if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
+
+ /* forwarden */
+ IRC_WriteStrClientPrefix( Client_NextHop( target ), prefix, "VERSION %s", Req->argv[0] );
+ return CONNECTED;
+ }
+
+ /* mit Versionsinfo antworten */
+ return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
+} /* IRC_VERSION */
+
+
+GLOBAL BOOLEAN IRC_KILL( CLIENT *Client, REQUEST *Req )
+{
+ CLIENT *prefix, *c;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if(( Req->argc != 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ prefix = Client_GetFromID( Req->prefix );
+ if( ! prefix )
+ {
+ Log( LOG_WARNING, "Got KILL with invalid prefix: \"%s\"!", Req->prefix );
+ prefix = Client_ThisServer( );
+ }
+
+ Log( LOG_NOTICE, "Got KILL command from \"%s\" for \"%s\": %s", Client_Mask( prefix ), Req->argv[0], Req->argv[1] );
+
+ /* andere Server benachrichtigen */
+ IRC_WriteStrServersPrefix( Client, prefix, "KILL %s :%s", Req->argv[0], Req->argv[1] );
+
+ /* haben wir selber einen solchen Client? */
+ c = Client_GetFromID( Req->argv[0] );
+ if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Req->argv[1], TRUE );
+
+ return CONNECTED;
+} /* IRC_KILL */
+
+
+LOCAL BOOLEAN Hello_User( CLIENT *Client )
+{
+ assert( Client != NULL );
+
+ /* Passwort ueberpruefen */
+ if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
+ {
+ /* Falsches Passwort */
+ Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
+ Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
+ return DISCONNECTED;
+ }
+
+ Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
+
+ /* Andere Server informieren */
+ IRC_WriteStrServers( NULL, "NICK %s 1 %s %s 1 +%s :%s", Client_ID( Client ), Client_User( Client ), Client_Hostname( Client ), Client_Modes( Client ), Client_Info( Client ));
+
+ if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
+ if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
+ if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
+ if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
+
+ Client_SetType( Client, CLIENT_USER );
+
+ if( ! Send_LUSERS( Client )) return DISCONNECTED;
+ if( ! Show_MOTD( Client )) return DISCONNECTED;
+
+ return CONNECTED;
+} /* Hello_User */
+
+
+LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
+{
+ BOOLEAN ok;
+ CHAR line[127];
+ FILE *fd;
+
+ assert( Client != NULL );
+
+ fd = fopen( Conf_MotdFile, "r" );
+ if( ! fd )
+ {
+ Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
+ return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
+ }
+
+ IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
+ while( TRUE )
+ {
+ if( ! fgets( line, 126, fd )) break;
+ if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
+ if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
+ {
+ fclose( fd );
+ return FALSE;
+ }
+ }
+ ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
+
+ fclose( fd );
+
+ return ok;
+} /* Show_MOTD */
+
+
+LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason )
+{
+ CLIENT *c;
+
+ assert( Nick != NULL );
+ assert( Reason != NULL );
+
+ Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected: %s", Nick, Reason );
+
+ /* andere Server benachrichtigen */
+ IRC_WriteStrServers( NULL, "KILL %s :%s", Nick, Reason );
+
+ /* Ggf. einen eigenen Client toeten */
+ c = Client_GetFromID( Nick );
+ if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Reason, TRUE );
+} /* Kill_Nick */
+
+
+LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
+{
+ CHAR str[LINE_LEN + 1];
+ CL2CHAN *cl2chan;
+ CLIENT *cl;
+
+ assert( Client != NULL );
+ assert( Chan != NULL );
+
+ /* Alle Mitglieder suchen */
+ sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
+ cl2chan = Channel_FirstMember( Chan );
+ while( cl2chan )
+ {
+ cl = Channel_GetClient( cl2chan );
+
+ /* Nick anhaengen */
+ if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
+ if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
+ if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
+ strcat( str, Client_ID( cl ));
+
+ if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
+ {
+ /* Zeile wird zu lang: senden! */
+ if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
+ sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
+ }
+
+ /* naechstes Mitglied suchen */
+ cl2chan = Channel_NextMember( Chan, cl2chan );
+ }
+ if( str[strlen( str ) - 1] != ':')
+ {
+ /* Es sind noch Daten da, die gesendet werden muessen */
+ if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
+ }
+
+ /* Ende anzeigen */
+ IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( Chan ));
+
+ return CONNECTED;
+} /* Send_NAMES */
+
+
+LOCAL BOOLEAN Send_LUSERS( CLIENT *Client )
+{
+ INT cnt;
+
+ assert( Client != NULL );
+
+ /* Users, Services und Serevr im Netz */
+ if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
+
+ /* IRC-Operatoren im Netz */
+ cnt = Client_OperCount( );
+ if( cnt > 0 )
+ {
+ if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
+ }
+
+ /* Unbekannt Verbindungen */
+ cnt = Client_UnknownCount( );
+ if( cnt > 0 )
+ {
+ if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
+ }
+
+ /* Channels im Netz */
+ if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
+
+ /* Channels im Netz */
+ if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
+
+ return CONNECTED;
+} /* Send_LUSERS */
+
+
+CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client )
+{
+ assert( Target != NULL );
+ assert( Client != NULL );
+
+ if( Client_Type( Target ) == CLIENT_SERVER ) return Client_ID( Client );
+ else return Client_Mask( Client );
+} /* Get_Prefix */
/* -eof- */
projects / ngircd-alex.git / blobdiff