ngircd-tor/src/ngircd/irc.c

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2001-12-14 09:13:43 +01:00
/*
* ngIRCd -- The Next Generation IRC Daemon
* Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
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*
* Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen
* der GNU General Public License (GPL), wie von der Free Software Foundation
* herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2
* der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version.
* Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
* der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
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*
* $Id: irc.c,v 1.24 2002/01/04 17:58:44 alex Exp $
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*
* irc.c: IRC-Befehle
*
* $Log: irc.c,v $
* 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.
*
2002-01-04 02:36:40 +01:00
* 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".
*
2001-12-27 20:17:26 +01:00
* 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.
*
2001-12-26 15:45:37 +01:00
* 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 ;-)
*
2001-12-26 00:13:33 +01:00
* Revision 1.6 2001/12/25 23:13:33 alex
* - Debug-Meldungen angepasst.
*
* Revision 1.5 2001/12/25 22:02:42 alex
* - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
*
* Revision 1.4 2001/12/25 19:19:30 alex
* - bessere Fehler-Abfragen, diverse Bugfixes.
* - Nicks werden nur einmal vergeben :-)
* - /MOTD wird unterstuetzt.
*
* Revision 1.3 2001/12/24 01:34:06 alex
* - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
* - MOTD-Ausgabe begonnen zu implementieren.
*
* Revision 1.2 2001/12/23 21:57:16 alex
* - erste IRC-Befehle zu implementieren begonnen.
*
2001-12-14 09:13:43 +01:00
* Revision 1.1 2001/12/14 08:13:43 alex
* - neues Modul begonnen :-)
*/
#include <portab.h>
#include "global.h"
#include <imp.h>
#include <assert.h>
#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ngircd.h"
#include "client.h"
#include "conf.h"
#include "conn.h"
#include "log.h"
#include "messages.h"
#include "parse.h"
#include "tool.h"
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#include <exp.h>
#include "irc.h"
#define CONNECTED TRUE
#define DISCONNECTED FALSE
LOCAL BOOLEAN Hello_User( CLIENT *Client );
LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
LOCAL VOID Kill_Nick( CHAR *Nick );
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GLOBAL VOID IRC_Init( VOID )
{
} /* IRC_Init */
GLOBAL VOID IRC_Exit( VOID )
{
} /* IRC_Exit */
GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
{
CHAR buffer[1000];
BOOLEAN ok = CONNECTED;
va_list ap;
assert( Client != NULL );
assert( Format != NULL );
va_start( ap, Format );
vsnprintf( buffer, 1000, Format, ap );
va_end( ap );
/* an den Client selber */
ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
return ok;
} /* IRC_WriteStrClient */
GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
{
/* Text an Clients, lokal bzw. remote, senden. */
CHAR buffer[1000];
BOOLEAN ok = CONNECTED;
CONN_ID send_to;
va_list ap;
assert( Client != NULL );
assert( Format != NULL );
va_start( ap, Format );
vsnprintf( buffer, 1000, Format, ap );
va_end( ap );
if( Client_Conn( Client ) != NONE ) send_to = Client_Conn( Client );
else send_to = Client_Conn( Client_Introducer( Client ));
if( Prefix ) ok = Conn_WriteStr( send_to, ":%s %s", Client_Mask( Prefix ), buffer );
else ok = Conn_WriteStr( send_to, buffer );
return ok;
} /* IRC_WriteStrClientPrefix */
GLOBAL BOOLEAN IRC_WriteStrRelated( 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_WriteStrClient( Client, buffer );
return ok;
} /* IRC_WriteStrRelated */
GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
{
assert( Client != NULL );
assert( Req != NULL );
/* Fehler liefern, wenn kein lokaler Client */
if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
{
/* noch nicht registrierte unbekannte Verbindung */
Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
/* Passwort speichern */
Client_SetPassword( Client, Req->argv[0] );
Client_SetType( Client, CLIENT_GOTPASS );
return CONNECTED;
}
else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
{
/* noch nicht registrierte Server-Verbindung */
Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
/* Passwort speichern */
Client_SetPassword( Client, Req->argv[0] );
Client_SetType( Client, CLIENT_GOTPASSSERVER );
return CONNECTED;
}
else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
{
/* Falsche Anzahl Parameter? */
return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
}
else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
} /* IRC_PASS */
GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
{
CHAR str[LINE_LEN], *ptr;
CLIENT *c;
assert( Client != NULL );
assert( Req != NULL );
/* Fehler liefern, wenn kein lokaler Client */
if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
{
/* Verbindung soll als Server-Server-Verbindung registriert werden */
Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
/* Falsche Anzahl Parameter? */
if( Req->argc != 3 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* Ist ein Server mit dieser ID bereits registriert? */
if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
/* Server-Strukturen fuellen ;-) */
Client_SetID( Client, Req->argv[0] );
Client_SetToken( Client, atoi( Req->argv[1] ));
Client_SetInfo( Client, Req->argv[2] );
Client_SetHops( Client, 1 );
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Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
Client_SetType( Client, CLIENT_SERVER );
return CONNECTED;
}
else if( Client_Type( Client ) == CLIENT_SERVER )
{
/* Neuer Server wird im Netz angekuendigt */
/* Falsche Anzahl Parameter? */
if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* Ist ein Server mit dieser ID bereits registriert? */
if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
/* Ueberfluessige Hostnamen aus Info-Text entfernen */
ptr = strchr( Req->argv[3] + 2, '[' );
if( ! ptr ) ptr = Req->argv[3];
/* Neue Client-Struktur anlegen */
c = Client_NewRemoteServer( Client, Req->argv[0], atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr );
if( ! c )
{
/* Neue Client-Struktur konnte nicht angelegt werden */
Log( LOG_ALERT, "Can't allocate client structure for server! (on connection %d)", Client_Conn( Client ));
Conn_Close( Client_Conn( Client ), "Can't allocate client structure for remote server!" );
return DISCONNECTED;
}
/* Log-Meldung zusammenbauen und ausgeben */
if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Req->prefix );
else strcpy( str, "" );
Log( LOG_NOTICE, "Server \"%s\" registered (via %s, %s%d hop%s).", Client_ID( c ), Client_ID( Client ), str, Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" );
return CONNECTED;
}
else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
} /* IRC_SERVER */
GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
{
assert( Client != NULL );
assert( Req != NULL );
if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
return CONNECTED;
} /* IRC_NJOIN */
GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
{
CLIENT *intr_c, *c;
assert( Client != NULL );
assert( Req != NULL );
/* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
#ifndef STRICT_RFC
if( Client_Type( Client ) == CLIENT_UNKNOWN || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTUSER || Client_Type( Client ) == CLIENT_USER )
#else
if( Client_Type( Client ) == CLIENT_UNKNOWN || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_USER )
#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 );
/* Ist der Client "restricted"? */
if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
/* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
* wir nichts. So macht es das Original und mind. Snak hat probleme,
* wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
#ifndef STRICT_RFC
if( strcmp( Client_ID( Client ), 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( Client ), Req->argv[0] ) != 0 )
{
if( ! Client_CheckNick( Client, Req->argv[0] )) return CONNECTED;
}
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if( Client_Type( Client ) == CLIENT_USER )
{
/* Nick-Aenderung: allen mitteilen! */
Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( Client ), Client_ID( Client ), Req->argv[0] );
IRC_WriteStrRelated( Client, "NICK :%s", Req->argv[0] );
}
/* Client-Nick registrieren */
Client_SetID( Client, Req->argv[0] );
if( Client_Type( Client ) != CLIENT_USER )
{
/* Neuer Client */
Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
else Client_SetType( Client, CLIENT_GOTNICK );
}
return CONNECTED;
}
else if( Client_Type( Client ) == CLIENT_SERVER )
{
/* 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_ALERT, "Server %s introduces already registered nick %s!", Client_ID( Client ), Req->argv[0] );
Kill_Nick( Req->argv[0] );
return CONNECTED;
}
/* Server, zu dem der Client connectiert ist, suchen */
intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
if( ! intr_c )
{
Log( LOG_ALERT, "Server %s introduces nick %s with unknown host server!?", Client_ID( Client ), Req->argv[0] );
Kill_Nick( Req->argv[0] );
return CONNECTED;
}
/* Neue Client-Struktur anlegen */
c = Client_NewRemoteUser( intr_c, Req->argv[0], atoi( Req->argv[1] ), Req->argv[2], Req->argv[3], atoi( Req->argv[4] ), Req->argv[5], Req->argv[6] );
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 allocate client structure! (on connection %d)", Client_Conn( Client ));
Kill_Nick( Req->argv[0] );
return CONNECTED;
}
Log( LOG_DEBUG, "User \"%s\" registered (via %s, on %s, %d hop%s).", Client_ID( c ), Client_ID( Client ), Client_ID( intr_c ), Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" );
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 );
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Client_SetUser( Client, Req->argv[0] );
Client_SetInfo( Client, Req->argv[3] );
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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 );
Conn_Close( Client_Conn( Client ), "Client wants to quit." );
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_ALERT, "Got QUIT from %s for unknown server!?", Client_ID( Client ));
else Client_Destroy( target );
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_ALERT, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
return CONNECTED;
}
if( target == Client ) Log( LOG_NOTICE, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
else Log( LOG_NOTICE, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
/* FIXME: das SQUIT muss an alle Server weiter-
* geleitet werden ... */
if( Client_Conn( target ) > NONE ) Conn_Close( Client_Conn( target ), Req->argv[1] );
else Client_Destroy( target );
return DISCONNECTED;
} /* IRC_SQUIT */
GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
{
assert( Client != NULL );
assert( Req != NULL );
if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
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/* Falsche Anzahl Parameter? */
if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
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return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
} /* IRC_PING */
GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
{
assert( Client != NULL );
assert( Req != NULL );
if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
/* Falsche Anzahl Parameter? */
if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
* aktualisiert, daher muss das hier nicht mehr gemacht werden. */
Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
return CONNECTED;
} /* IRC_PONG */
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 );
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return Show_MOTD( Client );
} /* IRC_MOTD */
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GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
{
CLIENT *to;
assert( Client != NULL );
assert( Req != NULL );
if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
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/* 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 );
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to = Client_Search( Req->argv[0] );
if( to )
{
/* Okay, Ziel ist ein User */
if( Client_Conn( Client ) >= 0 ) Conn_UpdateIdle( Client_Conn( Client ));
return IRC_WriteStrClientPrefix( to, Client, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
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}
return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
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} /* IRC_PRIVMSG */
GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
{
CLIENT *to;
assert( Client != NULL );
assert( Req != NULL );
if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
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/* Falsche Anzahl Parameter? */
if( Req->argc != 2 ) return CONNECTED;
to = Client_Search( Req->argv[0] );
if( to )
{
/* Okay, Ziel ist ein User */
return IRC_WriteStrClientPrefix( to, Client, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
2001-12-27 20:17:26 +01:00
}
return CONNECTED;
} /* IRC_NOTICE */
GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
{
CHAR x[2], new_modes[CLIENT_MODE_LEN], *ptr;
BOOLEAN set, ok;
CLIENT *target;
assert( Client != NULL );
assert( Req != NULL );
if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
/* Falsche Anzahl Parameter? */
if(( Req->argc > 2 ) || ( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* "Ziel-Client" suchen */
target = Client_Search( Req->argv[0] );
/* Wer ist der Anfragende? */
if( Client_Type( Client ) == CLIENT_USER )
{
/* User: MODE ist nur fuer sich selber zulaessig */
if( target != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
}
else
{
/* Server: gibt es den Client ueberhaupt? */
if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
}
/* Werden die Modes erfragt? */
if( Req->argc == 1 ) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( Client ));
ptr = Req->argv[1];
/* Sollen Modes gesetzt oder geloescht werden? */
if( *ptr == '+' ) set = TRUE;
else if( *ptr == '-' ) set = FALSE;
else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
/* Reply-String mit Aenderungen vorbereiten */
if( set ) strcpy( new_modes, "+" );
else strcpy( new_modes, "-" );
ptr++;
ok = TRUE;
x[1] = '\0';
while( *ptr )
{
x[0] = '\0';
if( Client_Type( Client ) == CLIENT_SERVER )
{
x[0] = *ptr;
ok = TRUE;
}
else
{
switch( *ptr )
{
case 'i':
/* invisible */
x[0] = 'i';
break;
case 'r':
/* restricted (kann nur gesetzt werden) */
if( set ) x[0] = 'r';
else ok = IRC_WriteStrClient( target, ERR_RESTRICTED_MSG, Client_ID( target ));
break;
case 'o':
/* operator (kann nur geloescht werden) */
if( ! set )
{
Client_SetOperByMe( target, FALSE );
x[0] = 'o';
}
else ok = IRC_WriteStrClient( target, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( target ));
break;
default:
ok = IRC_WriteStrClient( target, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( target ));
x[0] = '\0';
}
}
if( ! ok ) break;
ptr++;
if( ! x[0] ) continue;
/* Okay, gueltigen Mode gefunden */
if( set )
{
/* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
if( Client_ModeAdd( target, x[0] )) strcat( new_modes, x );
}
else
{
/* Modes geloescht. Wenn der Client ihn hatte: merken */
if( Client_ModeDel( target, x[0] )) strcat( new_modes, x );
}
}
/* Geanderte Modes? */
if( new_modes[1] )
{
if( Client_Type( Client ) == CLIENT_SERVER )
{
/* Modes an andere Server forwarden */
/* FIXME */
}
else
{
/* Bestaetigung an Client schicken */
ok = IRC_WriteStrRelated( Client, "MODE %s :%s", Client_ID( target ), new_modes );
}
Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( target ), Client_Modes( target ));
}
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 ) return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
/* Stimmt der Name und das Passwort? */
if(( strcmp( Conf_Oper[i].name, Req->argv[0] ) != 0 ) || ( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )) 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_WriteStrRelated( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
}
if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "User \"%s\" is now an IRC Operator.", 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 *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 < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* Client suchen */
c = Client_GetFromID( Req->argv[0] );
if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
/* Nick, User und Name */
if( ! IRC_WriteStrClient( Client, RPL_WHOISUSER_MSG, Client_ID( Client ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
/* Server */
if( ! IRC_WriteStrClient( Client, RPL_WHOISSERVER_MSG, Client_ID( Client ), Client_ID( c ), Client_ID( Client_Introducer( c )), Client_Info( Client_Introducer( c )))) return DISCONNECTED;
/* IRC-Operator? */
if( Client_HasMode( c, 'o' ))
{
if( ! IRC_WriteStrClient( Client, RPL_WHOISOPERATOR_MSG, Client_ID( Client ), Client_ID( c ))) return DISCONNECTED;
}
/* Idle (nur lokale Clients) */
if( Client_Conn( c ) > NONE )
{
if( ! IRC_WriteStrClient( Client, RPL_WHOISIDLE_MSG, Client_ID( Client ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
}
/* End of Whois */
return IRC_WriteStrClient( Client, RPL_ENDOFWHOIS_MSG, Client_ID( Client ), 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 */
LOCAL BOOLEAN Hello_User( CLIENT *Client )
{
assert( Client != NULL );
/* Passwort ueberpruefen */
if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
{
/* Falsches Passwort */
Log( LOG_ALERT, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
Conn_Close( Client_Conn( Client ), "Bad password!" );
return DISCONNECTED;
}
Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ));
IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr );
IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
Client_SetType( Client, CLIENT_USER );
return Show_MOTD( Client );
} /* Hello_User */
LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
{
BOOLEAN ok;
CHAR line[127];
FILE *fd;
assert( Client != NULL );
fd = fopen( Conf_MotdFile, "r" );
if( ! fd )
{
Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
}
IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
while( TRUE )
{
if( ! fgets( line, 126, fd )) break;
if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line );
}
ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
fclose( fd );
return ok;
} /* Show_MOTD */
LOCAL VOID Kill_Nick( CHAR *Nick )
{
Log( LOG_ALERT, "User(s) with nick \"%s\" will be disconnected!", Nick );
/* FIXME */
Log( LOG_ALERT, "[Kill_Nick() not implemented - OOOPS!]" );
} /* Kill_Nick */
2001-12-14 09:13:43 +01:00
/* -eof- */