/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001 by Alexander Barton (alex@barton.de)
+ * Copyright (c)2001-2004 Alexander Barton <alex@barton.de>
*
- * Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen
- * der GNU General Public License (GPL), wie von der Free Software Foundation
- * herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2
- * der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version.
- * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
- * der an comBase beteiligten Autoren finden Sie in der Datei AUTHORS.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * Please read the file COPYING, README and AUTHORS for more information.
*
- * $Id: irc.c,v 1.14 2001/12/30 11:42:00 alex Exp $
- *
- * irc.c: IRC-Befehle
- *
- * $Log: irc.c,v $
- * Revision 1.14 2001/12/30 11:42:00 alex
- * - der Server meldet nun eine ordentliche "Start-Zeit".
- *
- * Revision 1.13 2001/12/29 03:10:06 alex
- * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
- * - neue configure-Optione "--enable-strict-rfc".
- *
- * Revision 1.12 2001/12/27 19:17:26 alex
- * - neue Befehle PRIVMSG, NOTICE, PING.
- *
- * Revision 1.11 2001/12/27 16:55:41 alex
- * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
- *
- * Revision 1.10 2001/12/26 22:48:53 alex
- * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
- *
- * Revision 1.9 2001/12/26 14:45:37 alex
- * - "Code Cleanups".
- *
- * Revision 1.8 2001/12/26 03:21:46 alex
- * - PING/PONG-Befehle implementiert,
- * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
- *
- * Revision 1.7 2001/12/25 23:25:18 alex
- * - und nochmal Aenderungen am Logging ;-)
- *
- * Revision 1.6 2001/12/25 23:13:33 alex
- * - Debug-Meldungen angepasst.
- *
- * Revision 1.5 2001/12/25 22:02:42 alex
- * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
- *
- * Revision 1.4 2001/12/25 19:19:30 alex
- * - bessere Fehler-Abfragen, diverse Bugfixes.
- * - Nicks werden nur einmal vergeben :-)
- * - /MOTD wird unterstuetzt.
- *
- * Revision 1.3 2001/12/24 01:34:06 alex
- * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
- * - MOTD-Ausgabe begonnen zu implementieren.
- *
- * Revision 1.2 2001/12/23 21:57:16 alex
- * - erste IRC-Befehle zu implementieren begonnen.
- *
- * Revision 1.1 2001/12/14 08:13:43 alex
- * - neues Modul begonnen :-)
+ * IRC commands
*/
-#include <portab.h>
-#include "global.h"
+#include "portab.h"
+
+static char UNUSED id[] = "$Id: irc.c,v 1.128 2005/08/02 23:19:22 alex Exp $";
-#include <imp.h>
+#include "imp.h"
#include <assert.h>
-#include <errno.h>
-#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include "ngircd.h"
-#include "client.h"
+#include "conn.h"
+#include "resolve.h"
#include "conf.h"
+#include "conn-func.h"
+#include "client.h"
+#include "channel.h"
+#include "defines.h"
+#include "irc-write.h"
#include "log.h"
#include "messages.h"
#include "parse.h"
-#include <exp.h>
+#include "exp.h"
#include "irc.h"
-#define CONNECTED TRUE
-#define DISCONNECTED FALSE
-
-
-LOCAL BOOLEAN Check_Valid_User( CLIENT *Client );
-
-LOCAL BOOLEAN Hello_User( CLIENT *Client );
-LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
+static char *Option_String PARAMS(( CONN_ID Idx ));
-GLOBAL VOID IRC_Init( VOID )
+GLOBAL bool
+IRC_ERROR( CLIENT *Client, REQUEST *Req )
{
-} /* IRC_Init */
-
-
-GLOBAL VOID IRC_Exit( VOID )
-{
-} /* IRC_Exit */
-
-
-GLOBAL BOOLEAN IRC_WriteStrClient( 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_id != NONE ) send_to = Client->conn_id;
- else send_to = Client->introducer->conn_id;
-
- if( Prefix ) ok = Conn_WriteStr( Client->conn_id, ":%s %s", Client_GetID( Prefix ), buffer );
- else ok = Conn_WriteStr( Client->conn_id, buffer );
-
- return ok;
-} /* IRC_WriteStrClient */
+ 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] );
-GLOBAL BOOLEAN IRC_WriteStrRelated( CLIENT *Client, CHAR *Format, ... )
+ return CONNECTED;
+} /* IRC_ERROR */
+
+
+/**
+ * Kill client on request.
+ * This function implements the IRC command "KILL" wich is used to selectively
+ * disconnect clients. It can be used by IRC operators and servers, for example
+ * to "solve" nick collisions after netsplits.
+ * Please note that this function is also called internally, without a real
+ * KILL command beeing received over the network! Client is Client_ThisServer()
+ * in this case. */
+GLOBAL bool
+IRC_KILL( CLIENT *Client, REQUEST *Req )
{
- CHAR buffer[1000];
- BOOLEAN ok = CONNECTED;
- va_list ap;
-
- assert( Client != NULL );
- assert( Format != NULL );
+ CLIENT *prefix, *c;
+ char reason[COMMAND_LEN], *msg;
+ CONN_ID my_conn, conn;
- va_start( ap, Format );
- vsnprintf( buffer, 1000, Format, ap );
- va_end( ap );
-
- /* an den Client selber */
- ok = IRC_WriteStrClient( Client, Client, buffer );
-
- return ok;
-} /* IRC_WriteStrRelated */
-
-
-GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
-{
assert( Client != NULL );
assert( Req != NULL );
- if( Client->type == CLIENT_UNKNOWN )
+ if(( Client_Type( Client ) != CLIENT_SERVER ) &&
+ ( ! Client_OperByMe( Client )))
{
- Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client->conn_id );
- return IRC_WriteStrClient( Client, This_Server, ERR_UNKNOWNCOMMAND_MSG, Client_Name( Client ), Req->command );
+ /* The originator of the KILL is neither an IRC operator of
+ * this server nor a server. */
+ return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG,
+ Client_ID( Client ));
}
- else return IRC_WriteStrClient( Client, This_Server, ERR_ALREADYREGISTRED_MSG, Client_Name( Client ));
-} /* IRC_PASS */
-
-GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
-{
- assert( Client != NULL );
- assert( Req != NULL );
-
- /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
-#ifndef STRICT_RFC
- if( Client->type == CLIENT_UNKNOWN || Client->type == CLIENT_GOTPASS || Client->type == CLIENT_GOTNICK || Client->type == CLIENT_GOTUSER || Client->type == CLIENT_USER )
-#else
- if( Client->type == CLIENT_UNKNOWN || Client->type == CLIENT_GOTPASS || Client->type == CLIENT_GOTNICK || Client->type == CLIENT_USER )
-#endif
+ if( Req->argc != 2 )
{
- /* Falsche Anzahl Parameter? */
- if( Req->argc != 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Name( Client ), Req->command );
-
- /* Ist der Client "restricted"? */
- if( strchr( Client->modes, 'r' )) return IRC_WriteStrClient( Client, This_Server, ERR_RESTRICTED_MSG, Client_Name( 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( strcasecmp( Client->nick, Req->argv[0] ) == 0 ) return CONNECTED;
-#endif
-
- /* pruefen, ob Nick bereits vergeben */
- if( ! Client_CheckNick( Client, Req->argv[0] )) return CONNECTED;
-
- if( Client->type == CLIENT_USER )
- {
- /* Nick-Aenderung: allen mitteilen! */
- Log( LOG_INFO, "User \"%s!%s@%s\" changed nick: \"%s\" -> \"%s\".", Client->nick, Client->user, Client->host, Client->nick, Req->argv[0] );
- IRC_WriteStrRelated( Client, "NICK :%s", Req->argv[0] );
- }
-
- /* Client-Nick registrieren */
- strcpy( Client->nick, Req->argv[0] );
-
- if( Client->type != CLIENT_USER )
- {
- /* 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;
- }
- return CONNECTED;
+ /* This command requires exactly 2 parameters! */
+ return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG,
+ Client_ID( Client ), Req->command );
}
- else return IRC_WriteStrClient( Client, This_Server, ERR_ALREADYREGISTRED_MSG, Client_Name( Client ));
-} /* IRC_NICK */
-
-
-GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
-{
- assert( Client != NULL );
- assert( Req != NULL );
-#ifndef STRICT_RFC
- if( Client->type == CLIENT_GOTNICK || Client->type == CLIENT_GOTPASS || Client->type == CLIENT_UNKNOWN )
-#else
- if( Client->type == CLIENT_GOTNICK || Client->type == CLIENT_GOTPASS )
-#endif
+ if( Req->prefix ) prefix = Client_Search( Req->prefix );
+ else prefix = Client;
+ if( ! prefix )
{
- /* Falsche Anzahl Parameter? */
- if( Req->argc != 4 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Name( Client ), Req->command );
-
- 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';
-
- 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;
- return CONNECTED;
+ Log( LOG_WARNING, "Got KILL with invalid prefix: \"%s\"!",
+ Req->prefix );
+ prefix = Client_ThisServer( );
}
- else if( Client->type == CLIENT_USER || Client->type == CLIENT_SERVER || Client->type == CLIENT_SERVICE )
+
+ if( Client != Client_ThisServer( ))
{
- return IRC_WriteStrClient( Client, This_Server, ERR_ALREADYREGISTRED_MSG, Client_Name( Client ));
+ /* This is a "real" KILL received from the network. */
+ Log( LOG_NOTICE|LOG_snotice, "Got KILL command from \"%s\" for \"%s\": %s",
+ Client_Mask( prefix ), Req->argv[0], Req->argv[1] );
}
- else return IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Name( Client ));
-} /* IRC_USER */
-
-GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
-{
- assert( Client != NULL );
- assert( Req != NULL );
-
- if( Client->type != CLIENT_SERVER && Client->type != CLIENT_SERVICE )
+ /* Build reason string */
+ if( Client_Type( Client ) == CLIENT_USER )
{
- /* Falsche Anzahl Parameter? */
- if( Req->argc > 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Name( Client ), Req->command );
-
- Conn_Close( Client->conn_id, "Client wants to quit." );
- return DISCONNECTED;
+ /* Prefix the "reason" if the originator is a regular user,
+ * so users can't spoof KILLs of servers. */
+ snprintf( reason, sizeof( reason ), "KILLed by %s: %s",
+ Client_ID( Client ), Req->argv[1] );
}
- else return IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Name( Client ));
-} /* IRC_QUIT */
-
-
-GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
-{
- CLIENT *to;
-
- assert( Client != NULL );
- assert( Req != NULL );
+ else
+ strlcpy( reason, Req->argv[1], sizeof( reason ));
- if( ! Check_Valid_User( Client )) return CONNECTED;
+ /* Inform other servers */
+ IRC_WriteStrServersPrefix( Client, prefix, "KILL %s :%s",
+ Req->argv[0], reason );
- /* Falsche Anzahl Parameter? */
- if( Req->argc < 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NOORIGIN_MSG, Client_Name( Client ));
- if( Req->argc > 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Name( Client ), Req->command );
+ /* Save ID of this connection */
+ my_conn = Client_Conn( Client );
- to = Client_Search( Req->argv[0] );
-
- if( to ) return IRC_WriteStrClient( Client, This_Server, "PONG :%s", Client_Name( Client ));
- else return IRC_WriteStrClient( Client, This_Server, ERR_NOSUCHNICK_MSG, Client_Name( Client ), Req->argv[0] );
-} /* IRC_PING */
-
-
-GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
-{
- assert( Client != NULL );
- assert( Req != NULL );
+ /* Do we host such a client? */
+ c = Client_Search( Req->argv[0] );
+ if( c )
+ {
+ if(( Client_Type( c ) != CLIENT_USER ) &&
+ ( Client_Type( c ) != CLIENT_GOTNICK ))
+ {
+ /* Target of this KILL is not a regular user, this is
+ * invalid! So we ignore this case if we received a
+ * regular KILL from the network and try to kill the
+ * client/connection anyway (but log an error!) if the
+ * origin is the local server. */
- if( ! Check_Valid_User( Client )) return CONNECTED;
+ if( Client != Client_ThisServer( ))
+ {
+ /* Invalid KILL received from remote */
+ if( Client_Type( c ) == CLIENT_SERVER )
+ msg = ERR_CANTKILLSERVER_MSG;
+ else
+ msg = ERR_NOPRIVILEGES_MSG;
+ return IRC_WriteStrClient( Client, msg,
+ Client_ID( Client ));
+ }
- /* Falsche Anzahl Parameter? */
- if( Req->argc < 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NOORIGIN_MSG, Client_Name( Client ));
- if( Req->argc > 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Name( Client ), Req->command );
+ Log( LOG_ERR, "Got KILL for invalid client type: %d, \"%s\"!",
+ Client_Type( c ), Req->argv[0] );
+ }
- /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
- * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
+ /* Kill client NOW! */
+ conn = Client_Conn( c );
+ Client_Destroy( c, NULL, reason, false );
+ if( conn > NONE )
+ Conn_Close( conn, NULL, reason, true );
+ }
+ else
+ Log( LOG_NOTICE, "Client with nick \"%s\" is unknown here.", Req->argv[0] );
- Log( LOG_DEBUG, "Connection %d: received PONG.", Client->conn_id );
- return CONNECTED;
-} /* IRC_PONG */
+ /* Are we still connected or were we killed, too? */
+ if(( my_conn > NONE ) && ( Client_GetFromConn( my_conn )))
+ return CONNECTED;
+ else
+ return DISCONNECTED;
+} /* IRC_KILL */
-GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
+GLOBAL bool
+IRC_NOTICE( CLIENT *Client, REQUEST *Req )
{
- assert( Client != NULL );
- assert( Req != NULL );
-
- if( ! Check_Valid_User( Client )) return CONNECTED;
-
- /* Falsche Anzahl Parameter? */
- if( Req->argc != 0 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Name( Client ), Req->command );
-
- return Show_MOTD( Client );
-} /* IRC_MOTD */
+ CLIENT *to, *from;
-
-GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
-{
- CLIENT *to;
-
assert( Client != NULL );
assert( Req != NULL );
- if( ! Check_Valid_User( Client )) return CONNECTED;
+ if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return CONNECTED;
/* Falsche Anzahl Parameter? */
- if( Req->argc == 0 ) return IRC_WriteStrClient( Client, This_Server, ERR_NORECIPIENT_MSG, Client_Name( Client ), Req->command );
- if( Req->argc == 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NOTEXTTOSEND_MSG, Client_Name( Client ));
- if( Req->argc > 2 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Name( Client ), Req->command );
+ if( Req->argc != 2 ) return CONNECTED;
+
+ if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
+ else from = Client;
+ if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
to = Client_Search( Req->argv[0] );
- if( to )
+ if(( to ) && ( Client_Type( to ) == CLIENT_USER ))
{
/* Okay, Ziel ist ein User */
- return IRC_WriteStrClient( to, Client, "PRIVMSG %s :%s", to->nick, Req->argv[1] );
+ return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
}
-
- return IRC_WriteStrClient( Client, This_Server, ERR_NOSUCHNICK_MSG, Client_Name( Client ), Req->argv[0] );
-} /* IRC_PRIVMSG */
+ else return CONNECTED;
+} /* IRC_NOTICE */
-GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
+GLOBAL bool
+IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
{
- CLIENT *to;
-
+ CLIENT *cl, *from;
+ CHANNEL *chan;
+
assert( Client != NULL );
assert( Req != NULL );
- if( ! Check_Valid_User( Client )) return CONNECTED;
-
/* Falsche Anzahl Parameter? */
- if( Req->argc != 2 ) return CONNECTED;
+ 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 );
- to = Client_Search( Req->argv[0] );
- if( to )
+ if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
+ else from = Client;
+ if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+
+ cl = Client_Search( Req->argv[0] );
+ if( cl )
{
+ /* Okay, Ziel ist ein Client. Aber ist es auch ein User? */
+ if( Client_Type( cl ) != CLIENT_USER ) return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
+
/* Okay, Ziel ist ein User */
- return IRC_WriteStrClient( to, Client, "NOTICE %s :%s", to->nick, Req->argv[1] );
+ if(( Client_Type( Client ) != CLIENT_SERVER ) && ( strchr( Client_Modes( cl ), 'a' )))
+ {
+ /* Ziel-User ist AWAY: Meldung verschicken */
+ if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( cl ), Client_Away( cl ))) return DISCONNECTED;
+ }
+
+ /* Text senden */
+ if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
+ return IRC_WriteStrClientPrefix( cl, from, "PRIVMSG %s :%s", Client_ID( cl ), Req->argv[1] );
}
- return CONNECTED;
-} /* IRC_NOTICE */
+ chan = Channel_Search( Req->argv[0] );
+ if( chan ) return Channel_Write( chan, from, Client, Req->argv[1] );
+ return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
+} /* IRC_PRIVMSG */
-GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
+
+GLOBAL bool
+IRC_TRACE( CLIENT *Client, REQUEST *Req )
{
- CHAR x[2], new_modes[CLIENT_MODE_LEN], *ptr, *p;
- BOOLEAN set, ok;
-
+ CLIENT *from, *target, *c;
+ CONN_ID idx, idx2;
+ char user[CLIENT_USER_LEN];
+
assert( Client != NULL );
assert( Req != NULL );
- if( ! Check_Valid_User( Client )) return CONNECTED;
-
- /* Falsche Anzahl Parameter? */
- if(( Req->argc > 2 ) || ( Req->argc < 1 )) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Name( Client ), Req->command );
-
- /* MODE ist nur fuer sich selber zulaessig */
- if( Client_Search( Req->argv[0] ) != Client ) return IRC_WriteStrClient( Client, This_Server, ERR_USERSDONTMATCH_MSG, Client_Name( Client ));
+ /* Bad number of arguments? */
+ if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
- /* Werden die Modes erfragt? */
- if( Req->argc == 1 ) return IRC_WriteStrClient( Client, This_Server, RPL_UMODEIS_MSG, Client_Name( Client ), Client->modes );
+ /* Search sender */
+ if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
+ else from = Client;
+ if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
- ptr = Req->argv[1];
+ /* Search target */
+ if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
+ else target = Client_ThisServer( );
+
+ /* Forward command to other server? */
+ if( target != Client_ThisServer( ))
+ {
+ if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
- /* Sollen Modes gesetzt oder geloescht werden? */
- if( *ptr == '+' ) set = TRUE;
- else if( *ptr == '-' ) set = FALSE;
- else return IRC_WriteStrClient( Client, This_Server, ERR_UMODEUNKNOWNFLAG_MSG, Client_Name( Client ));
+ /* Send RPL_TRACELINK back to initiator */
+ idx = Client_Conn( Client ); assert( idx > NONE );
+ idx2 = Client_Conn( Client_NextHop( target )); assert( idx2 > NONE );
+ if( ! IRC_WriteStrClient( from, RPL_TRACELINK_MSG, Client_ID( from ), PACKAGE_NAME, PACKAGE_VERSION, Client_ID( target ), Client_ID( Client_NextHop( target )), Option_String( idx2 ), time( NULL ) - Conn_StartTime( idx2 ), Conn_SendQ( idx ), Conn_SendQ( idx2 ))) return DISCONNECTED;
- /* Reply-String mit Aenderungen vorbereiten */
- if( set ) strcpy( new_modes, "+" );
- else strcpy( new_modes, "-" );
+ /* Forward command */
+ IRC_WriteStrClientPrefix( target, from, "TRACE %s", Req->argv[0] );
+ return CONNECTED;
+ }
- ptr++;
- ok = TRUE;
- x[1] = '\0';
- while( *ptr )
+ /* Infos about all connected servers */
+ c = Client_First( );
+ while( c )
{
- x[0] = '\0';
- switch( *ptr )
+ if( Client_Conn( c ) > NONE )
{
- case 'i':
- /* invisible */
- x[0] = 'i';
- break;
- case 'r':
- /* restricted (kann nur gesetzt werden) */
- if( set ) x[0] = 'r';
- else ok = IRC_WriteStrClient( Client, This_Server, ERR_RESTRICTED_MSG, Client_Name( Client ));
- break;
- default:
- ok = IRC_WriteStrClient( Client, This_Server, ERR_UMODEUNKNOWNFLAG_MSG, Client_Name( Client ));
- x[0] = '\0';
- }
- if( ! ok ) break;
-
- ptr++;
- if( ! x[0] ) continue;
-
- /* Okay, gueltigen Mode gefunden */
- if( set )
- {
- /* Modes sollen gesetzt werden */
- if( ! strchr( Client->modes, x[0] ))
+ /* Local client */
+ if( Client_Type( c ) == CLIENT_SERVER )
{
- /* Client hat den Mode noch nicht -> setzen */
- strcat( Client->modes, x );
- strcat( new_modes, x );
+ /* Server link */
+ strlcpy( user, Client_User( c ), sizeof( user ));
+ if( user[0] == '~' ) strlcpy( user, "unknown", sizeof( user ));
+ if( ! IRC_WriteStrClient( from, RPL_TRACESERVER_MSG, Client_ID( from ), Client_ID( c ), user, Client_Hostname( c ), Client_Mask( Client_ThisServer( )), Option_String( Client_Conn( c )))) return DISCONNECTED;
}
- }
- else
- {
- /* Modes sollen geloescht werden */
- p = strchr( Client->modes, x[0] );
- if( p )
+ if(( Client_Type( c ) == CLIENT_USER ) && ( strchr( Client_Modes( c ), 'o' )))
{
- /* Client hat den Mode -> loeschen */
- while( *p )
- {
- *p = *(p + 1);
- p++;
- }
- strcat( new_modes, x );
+ /* IRC Operator */
+ if( ! IRC_WriteStrClient( from, RPL_TRACEOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
}
}
+ c = Client_Next( c );
}
-
- /* Geanderte Modes? */
- if( new_modes[1] && ok )
- {
- ok = IRC_WriteStrRelated( Client, "MODE %s :%s", Client->nick, new_modes );
- Log( LOG_DEBUG, "User \"%s!%s@%s\": Mode change, now \"%s\".", Client->nick, Client->user, Client->host, Client->modes );
- }
- return ok;
-} /* IRC_MODE */
+ IRC_SetPenalty( Client, 3 );
+ return IRC_WriteStrClient( from, RPL_TRACEEND_MSG, Client_ID( from ), Conf_ServerName, PACKAGE_NAME, PACKAGE_VERSION, NGIRCd_DebugLevel );
+} /* IRC_TRACE */
-LOCAL BOOLEAN Check_Valid_User( CLIENT *Client )
+
+GLOBAL bool
+IRC_HELP( CLIENT *Client, REQUEST *Req )
{
+ COMMAND *cmd;
+
assert( Client != NULL );
+ assert( Req != NULL );
+
+ /* Bad number of arguments? */
+ if( Req->argc > 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
- if( Client->type != CLIENT_USER )
+ cmd = Parse_GetCommandStruct( );
+ while( cmd->name )
{
- IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Name( Client ));
- return FALSE;
+ if( ! IRC_WriteStrClient( Client, "NOTICE %s :%s", Client_ID( Client ), cmd->name )) return DISCONNECTED;
+ cmd++;
}
- else return TRUE;
-} /* Check_Valid_User */
-
-
-LOCAL BOOLEAN Hello_User( CLIENT *Client )
-{
- assert( Client != NULL );
- assert( Client->nick[0] );
- Log( LOG_NOTICE, "User \"%s!%s@%s\" (%s) registered (connection %d).", Client->nick, Client->user, Client->host, Client->name, Client->conn_id );
-
- IRC_WriteStrClient( Client, This_Server, RPL_WELCOME_MSG, Client->nick, Client_GetID( Client ));
- IRC_WriteStrClient( Client, This_Server, RPL_YOURHOST_MSG, Client->nick, This_Server->host );
- IRC_WriteStrClient( Client, This_Server, RPL_CREATED_MSG, Client->nick, NGIRCd_StartStr );
- IRC_WriteStrClient( Client, This_Server, RPL_MYINFO_MSG, Client->nick, This_Server->host );
-
- Client->type = CLIENT_USER;
-
- return Show_MOTD( Client );
-} /* Hello_User */
+ IRC_SetPenalty( Client, 2 );
+ return CONNECTED;
+} /* IRC_HELP */
-LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
+static char *
+Option_String( CONN_ID Idx )
{
- BOOLEAN ok;
- CHAR line[127];
- FILE *fd;
-
- assert( Client != NULL );
- assert( Client->nick[0] );
+ static char option_txt[8];
+ int options;
- 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, This_Server, ERR_NOMOTD_MSG, Client->nick );
- }
-
- IRC_WriteStrClient( Client, This_Server, RPL_MOTDSTART_MSG, Client->nick, This_Server->host );
- while( TRUE )
- {
- if( ! fgets( line, 126, fd )) break;
- if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
- IRC_WriteStrClient( Client, This_Server, RPL_MOTD_MSG, Client->nick, line );
- }
- ok = IRC_WriteStrClient( Client, This_Server, RPL_ENDOFMOTD_MSG, Client->nick );
+ options = Conn_Options( Idx );
- fclose( fd );
-
- return ok;
-} /* Show_MOTD */
+ strcpy( option_txt, "F" ); /* No idea what this means but the original ircd sends it ... */
+#ifdef ZLIB
+ if( options & CONN_ZIP ) strcat( option_txt, "z" );
+#endif
+
+ return option_txt;
+} /* Option_String */
/* -eof- */