2001-12-14 09:13:43 +01:00
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/*
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* ngIRCd -- The Next Generation IRC Daemon
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* Copyright (c)2001 by Alexander Barton (alex@barton.de)
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*
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* Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen
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* der GNU General Public License (GPL), wie von der Free Software Foundation
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* herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2
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* der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version.
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* Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
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* der an comBase beteiligten Autoren finden Sie in der Datei AUTHORS.
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*
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2001-12-25 23:02:42 +01:00
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* $Id: irc.c,v 1.5 2001/12/25 22:02:42 alex Exp $
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2001-12-14 09:13:43 +01:00
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*
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* irc.c: IRC-Befehle
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*
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* $Log: irc.c,v $
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2001-12-25 23:02:42 +01:00
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* Revision 1.5 2001/12/25 22:02:42 alex
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* - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
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*
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2001-12-25 20:19:30 +01:00
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* Revision 1.4 2001/12/25 19:19:30 alex
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* - bessere Fehler-Abfragen, diverse Bugfixes.
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* - Nicks werden nur einmal vergeben :-)
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* - /MOTD wird unterstuetzt.
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*
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2001-12-24 02:34:06 +01:00
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* Revision 1.3 2001/12/24 01:34:06 alex
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* - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
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* - MOTD-Ausgabe begonnen zu implementieren.
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*
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2001-12-23 22:57:16 +01:00
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* Revision 1.2 2001/12/23 21:57:16 alex
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* - erste IRC-Befehle zu implementieren begonnen.
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*
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2001-12-14 09:13:43 +01:00
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* Revision 1.1 2001/12/14 08:13:43 alex
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* - neues Modul begonnen :-)
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*/
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#include <portab.h>
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#include "global.h"
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#include <imp.h>
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#include <assert.h>
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2001-12-23 22:57:16 +01:00
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include "client.h"
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#include "log.h"
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#include "messages.h"
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#include "parse.h"
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2001-12-14 09:13:43 +01:00
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#include <exp.h>
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#include "irc.h"
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2001-12-25 20:19:30 +01:00
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#define CONNECTED TRUE
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#define DISCONNECTED FALSE
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2001-12-23 22:57:16 +01:00
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LOCAL BOOLEAN Check_Valid_User( CLIENT *Client );
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2001-12-25 20:19:30 +01:00
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LOCAL BOOLEAN Hello_User( CLIENT *Client );
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LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
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2001-12-24 02:34:06 +01:00
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2001-12-23 22:57:16 +01:00
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2001-12-14 09:13:43 +01:00
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GLOBAL VOID IRC_Init( VOID )
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{
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} /* IRC_Init */
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GLOBAL VOID IRC_Exit( VOID )
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{
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} /* IRC_Exit */
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2001-12-25 20:19:30 +01:00
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GLOBAL BOOLEAN IRC_WriteStr_Client( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
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2001-12-23 22:57:16 +01:00
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{
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/* Text an Clients, lokal bzw. remote, senden. */
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CHAR buffer[1000];
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2001-12-25 20:19:30 +01:00
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BOOLEAN ok = CONNECTED;
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2001-12-23 22:57:16 +01:00
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va_list ap;
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assert( Client != NULL );
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assert( Format != NULL );
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va_start( ap, Format );
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if( Client->conn_id != NONE )
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{
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/* Lokaler Client */
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vsnprintf( buffer, 1000, Format, ap );
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2001-12-25 20:19:30 +01:00
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if( Prefix ) ok = Conn_WriteStr( Client->conn_id, ":%s %s", Prefix->host, buffer );
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else ok = Conn_WriteStr( Client->conn_id, buffer );
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2001-12-23 22:57:16 +01:00
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}
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else
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{
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/* Remote-Client */
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2001-12-25 23:02:42 +01:00
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Log( LOG_EMERG, "not implemented: IRC_WriteStr_Client()" );
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2001-12-23 22:57:16 +01:00
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}
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2001-12-25 20:19:30 +01:00
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2001-12-23 22:57:16 +01:00
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va_end( ap );
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2001-12-25 20:19:30 +01:00
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return ok;
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2001-12-23 22:57:16 +01:00
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} /* IRC_WriteStr_Client */
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GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
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{
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assert( Client != NULL );
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assert( Req != NULL );
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2001-12-25 23:02:42 +01:00
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if( Client->type == CLIENT_UNKNOWN )
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{
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Log( LOG_DEBUG, "Registration of connection %d: got PASS command ...", Client->conn_id );
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return IRC_WriteStr_Client( Client, This_Server, ERR_UNKNOWNCOMMAND_MSG, Req->command );
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}
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else return IRC_WriteStr_Client( Client, This_Server, ERR_ALREADYREGISTRED_MSG );
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2001-12-23 22:57:16 +01:00
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} /* IRC_PASS */
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GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
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{
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2001-12-25 20:19:30 +01:00
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CLIENT *c;
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2001-12-23 22:57:16 +01:00
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assert( Client != NULL );
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assert( Req != NULL );
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2001-12-25 20:19:30 +01:00
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if( Client->type != CLIENT_SERVER && Client->type != CLIENT_SERVICE )
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2001-12-23 22:57:16 +01:00
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{
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2001-12-25 20:19:30 +01:00
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/* Falsche Anzahl Parameter? */
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if( Req->argc != 1 ) return IRC_WriteStr_Client( Client, This_Server, ERR_NEEDMOREPARAMS_MSG );
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/* Nick zu lang? */
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if( strlen( Req->argv[0] ) > CLIENT_NICK_LEN ) return IRC_WriteStr_Client( Client, This_Server, ERR_ERRONEUSNICKNAME_MSG, Req->argv[0] );
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/* pruefen, ob Nick bereits vergeben */
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c = My_Clients;
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while( c )
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2001-12-23 22:57:16 +01:00
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{
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2001-12-25 20:19:30 +01:00
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if( strcasecmp( c->nick, Req->argv[0] ) == 0 )
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2001-12-23 22:57:16 +01:00
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{
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2001-12-25 20:19:30 +01:00
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/* den Nick gibt es bereits */
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return IRC_WriteStr_Client( Client, This_Server, ERR_NICKNAMEINUSE_MSG, Req->argv[0] );
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2001-12-23 22:57:16 +01:00
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}
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2001-12-25 20:19:30 +01:00
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c = c->next;
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2001-12-23 22:57:16 +01:00
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}
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2001-12-25 20:19:30 +01:00
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/* Client-Nick registrieren */
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strcpy( Client->nick, Req->argv[0] );
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2001-12-23 22:57:16 +01:00
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2001-12-25 20:19:30 +01:00
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if( Client->type != CLIENT_USER )
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{
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/* Neuer Client */
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2001-12-25 23:02:42 +01:00
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Log( LOG_DEBUG, "Registration of connection %d: got NICK command ...", Client->conn_id );
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2001-12-25 20:19:30 +01:00
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if( Client->type == CLIENT_GOTUSER ) return Hello_User( Client );
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else Client->type = CLIENT_GOTNICK;
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}
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return CONNECTED;
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}
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else return IRC_WriteStr_Client( Client, This_Server, ERR_ALREADYREGISTRED_MSG );
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2001-12-23 22:57:16 +01:00
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} /* IRC_NICK */
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GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
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{
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assert( Client != NULL );
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assert( Req != NULL );
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2001-12-25 20:19:30 +01:00
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if( Client->type == CLIENT_UNKNOWN || Client->type == CLIENT_GOTNICK || Client->type == CLIENT_GOTPASS )
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2001-12-23 22:57:16 +01:00
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{
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2001-12-25 20:19:30 +01:00
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/* Falsche Anzahl Parameter? */
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if( Req->argc != 4 ) return IRC_WriteStr_Client( Client, This_Server, ERR_NEEDMOREPARAMS_MSG );
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strncpy( Client->user, Req->argv[0], CLIENT_USER_LEN );
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Client->user[CLIENT_USER_LEN] = '\0';
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strncpy( Client->name, Req->argv[3], CLIENT_NAME_LEN );
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Client->name[CLIENT_NAME_LEN] = '\0';
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2001-12-25 23:02:42 +01:00
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Log( LOG_DEBUG, "Registration of connection %d: got USER command ...", Client->conn_id );
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2001-12-25 20:19:30 +01:00
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if( Client->type == CLIENT_GOTNICK ) return Hello_User( Client );
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else Client->type = CLIENT_GOTUSER;
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return CONNECTED;
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2001-12-23 22:57:16 +01:00
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}
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else if( Client->type == CLIENT_USER || Client->type == CLIENT_SERVER || Client->type == CLIENT_SERVICE )
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{
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2001-12-25 20:19:30 +01:00
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return IRC_WriteStr_Client( Client, This_Server, ERR_ALREADYREGISTRED_MSG );
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2001-12-23 22:57:16 +01:00
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}
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2001-12-25 20:19:30 +01:00
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else return IRC_WriteStr_Client( Client, This_Server, ERR_NOTREGISTERED_MSG );
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2001-12-23 22:57:16 +01:00
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} /* IRC_USER */
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2001-12-25 23:02:42 +01:00
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GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
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{
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assert( Client != NULL );
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assert( Req != NULL );
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if( Client->type != CLIENT_SERVER && Client->type != CLIENT_SERVICE )
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{
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/* Falsche Anzahl Parameter? */
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if( Req->argc > 1 ) return IRC_WriteStr_Client( Client, This_Server, ERR_NEEDMOREPARAMS_MSG );
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Conn_Close( Client->conn_id, "Client wants to quit." );
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return DISCONNECTED;
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}
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else return IRC_WriteStr_Client( Client, This_Server, ERR_NOTREGISTERED_MSG );
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} /* IRC_QUIT */
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2001-12-25 20:19:30 +01:00
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GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
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{
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assert( Client != NULL );
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assert( Req != NULL );
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if( ! Check_Valid_User( Client )) return CONNECTED;
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/* Falsche Anzahl Parameter? */
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if( Req->argc != 0 ) return IRC_WriteStr_Client( Client, This_Server, ERR_NEEDMOREPARAMS_MSG );
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return Show_MOTD( Client );
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} /* IRC_MOTD */
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2001-12-23 22:57:16 +01:00
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LOCAL BOOLEAN Check_Valid_User( CLIENT *Client )
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{
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assert( Client != NULL );
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if( Client->type != CLIENT_USER )
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{
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IRC_WriteStr_Client( Client, This_Server, ERR_NOTREGISTERED_MSG );
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return FALSE;
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}
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else return TRUE;
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} /* Check_Valid_User */
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2001-12-25 20:19:30 +01:00
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LOCAL BOOLEAN Hello_User( CLIENT *Client )
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2001-12-24 02:34:06 +01:00
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{
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Log( LOG_INFO, "User \"%s!%s@%s\" (%s) registered.", Client->nick, Client->user, Client->host, Client->name );
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2001-12-25 20:19:30 +01:00
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2001-12-24 02:34:06 +01:00
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IRC_WriteStr_Client( Client, This_Server, RPL_WELCOME_MSG, Client->nick, Client->nick, Client->user, Client->host );
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IRC_WriteStr_Client( Client, This_Server, RPL_YOURHOST_MSG, Client->nick, This_Server->host );
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IRC_WriteStr_Client( Client, This_Server, RPL_CREATED_MSG, Client->nick );
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IRC_WriteStr_Client( Client, This_Server, RPL_MYINFO_MSG, Client->nick, This_Server->host );
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2001-12-25 20:19:30 +01:00
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Client->type = CLIENT_USER;
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return Show_MOTD( Client );
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2001-12-24 02:34:06 +01:00
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} /* Hello_User */
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2001-12-25 20:19:30 +01:00
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LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
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2001-12-24 02:34:06 +01:00
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{
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IRC_WriteStr_Client( Client, This_Server, RPL_MOTDSTART_MSG, Client->nick, This_Server->host );
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IRC_WriteStr_Client( Client, This_Server, RPL_MOTD_MSG, Client->nick, "Some cool IRC server welcome message ;-)" );
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2001-12-25 20:19:30 +01:00
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return IRC_WriteStr_Client( Client, This_Server, RPL_ENDOFMOTD_MSG, Client->nick );
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2001-12-24 02:34:06 +01:00
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} /* Show_MOTD */
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2001-12-14 09:13:43 +01:00
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/* -eof- */
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