/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
+ * Copyright (c)2001-2003 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 ngIRCd 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 1.106 2002/12/12 11:40:41 alex Exp $
- *
- * irc.c: IRC-Befehle
+ * IRC commands
*/
#include "portab.h"
+static char UNUSED id[] = "$Id: irc.c,v 1.121 2003/04/29 12:19:20 alex Exp $";
+
#include "imp.h"
#include <assert.h>
#include <stdio.h>
#include <string.h>
+#include "ngircd.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.h"
+LOCAL CHAR *Option_String PARAMS(( CONN_ID Idx ));
+
+
GLOBAL BOOLEAN
IRC_ERROR( CLIENT *Client, REQUEST *Req )
{
{
CLIENT *prefix, *c;
CHAR reason[COMMAND_LEN];
+ CONN_ID my_conn, conn;
assert( Client != NULL );
assert( Req != NULL );
- /* is the user an IRC operator? */
+ /* Is the user an IRC operator? */
if(( Client_Type( Client ) != CLIENT_SERVER ) && ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
- /* Falsche Anzahl Parameter? */
+ /* Bad number of parameters? */
if(( Req->argc != 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
if( Req->prefix ) prefix = Client_Search( Req->prefix );
prefix = Client_ThisServer( );
}
- Log( LOG_NOTICE|LOG_snotice, "Got KILL command from \"%s\" for \"%s\": %s", Client_Mask( prefix ), Req->argv[0], Req->argv[1] );
+ if( Client != Client_ThisServer( )) Log( LOG_NOTICE|LOG_snotice, "Got KILL command from \"%s\" for \"%s\": %s", Client_Mask( prefix ), Req->argv[0], Req->argv[1] );
- /* build reason string */
- if( Client_Type( Client ) == CLIENT_USER ) sprintf( reason, "KILLed by %s: %s", Client_ID( Client ), Req->argv[1] );
- else strcpy( reason, Req->argv[1] );
+ /* Build reason string */
+ if( Client_Type( Client ) == CLIENT_USER ) snprintf( reason, sizeof( reason ), "KILLed by %s: %s", Client_ID( Client ), Req->argv[1] );
+ else strlcpy( reason, Req->argv[1], sizeof( reason ));
- /* andere Server benachrichtigen */
+ /* Inform other servers */
IRC_WriteStrServersPrefix( Client, prefix, "KILL %s :%s", Req->argv[0], reason );
- /* haben wir selber einen solchen Client? */
+ /* Save ID of this connection */
+ my_conn = Client_Conn( Client );
+
+ /* Do we host such a client? */
c = Client_Search( Req->argv[0] );
if( c )
{
- /* Ja, wir haben einen solchen Client */
- if( Client_Conn( c ) != NONE ) Conn_Close( Client_Conn( c ), NULL, reason, TRUE );
- else Client_Destroy( c, NULL, reason, TRUE );
+ /* Yes, there is such a client -- but is it a valid user? */
+ if( Client_Type( c ) == CLIENT_SERVER )
+ {
+ if( Client != Client_ThisServer( )) IRC_WriteStrClient( Client, ERR_CANTKILLSERVER_MSG, Client_ID( Client ));
+ else
+ {
+ /* Oops, I should kill another server!? */
+ Log( LOG_ERR, "Can't KILL server \"%s\"!", Req->argv[0] );
+ conn = Client_Conn( Client_NextHop( c ));
+ assert( conn > NONE );
+ Conn_Close( conn, NULL, "Nick collision for server!?", TRUE );
+ }
+ }
+ else if( Client_Type( c ) != CLIENT_USER )
+ {
+ if( Client != Client_ThisServer( )) IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
+ else
+ {
+ /* Oops, what sould I close?? */
+ Log( LOG_ERR, "Can't KILL \"%s\": invalid client type!", Req->argv[0] );
+ conn = Client_Conn( Client_NextHop( c ));
+ assert( conn > NONE );
+ Conn_Close( conn, NULL, "Collision for invalid client type!?", TRUE );
+ }
+ }
+ else
+ {
+ /* Kill user 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] );
- return CONNECTED;
+ /* Are we still connected or were we killed, too? */
+ if(( my_conn > NONE ) && ( Client_GetFromConn( my_conn ))) return CONNECTED;
+ else return DISCONNECTED;
} /* IRC_KILL */
} /* IRC_PRIVMSG */
+GLOBAL BOOLEAN
+IRC_TRACE( CLIENT *Client, REQUEST *Req )
+{
+ CLIENT *from, *target, *c;
+ CONN_ID idx, idx2;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ /* Bad number of arguments? */
+ if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
+
+ /* 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 );
+
+ /* 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] );
+
+ /* 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;
+
+ /* Forward command */
+ IRC_WriteStrClientPrefix( target, from, "TRACE %s", Req->argv[0] );
+ return CONNECTED;
+ }
+
+ /* Infos about all connected servers */
+ c = Client_First( );
+ while( c )
+ {
+ if( Client_Conn( c ) > NONE )
+ {
+ /* Local client */
+ if( Client_Type( c ) == CLIENT_SERVER )
+ {
+ /* Server link */
+ if( ! IRC_WriteStrClient( from, RPL_TRACESERVER_MSG, Client_ID( from ), Client_ID( c ), Client_Mask( c ), Option_String( Client_Conn( c )))) return DISCONNECTED;
+ }
+ if(( Client_Type( c ) == CLIENT_USER ) && ( strchr( Client_Modes( c ), 'o' )))
+ {
+ /* IRC Operator */
+ if( ! IRC_WriteStrClient( from, RPL_TRACEOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
+ }
+ }
+ c = Client_Next( c );
+ }
+
+ /* Some information about us */
+ if( ! IRC_WriteStrClient( from, RPL_TRACESERVER_MSG, Client_ID( from ), Conf_ServerName, Client_Mask( Client_ThisServer( )), Option_String( Client_Conn( Client )))) return DISCONNECTED;
+
+ return IRC_WriteStrClient( from, RPL_TRACEEND_MSG, Client_ID( from ), Conf_ServerName, PACKAGE_NAME, PACKAGE_VERSION, NGIRCd_DebugLevel );
+} /* IRC_TRACE */
+
+
+GLOBAL BOOLEAN
+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 );
+
+ cmd = Parse_GetCommandStruct( );
+ while( cmd->name )
+ {
+ if( ! IRC_WriteStrClient( Client, "NOTICE %s :%s", Client_ID( Client ), cmd->name )) return DISCONNECTED;
+ cmd++;
+ }
+ return CONNECTED;
+} /* IRC_HELP */
+
+
+LOCAL CHAR *
+Option_String( CONN_ID Idx )
+{
+ STATIC CHAR option_txt[8];
+ INT options;
+
+ options = Conn_Options( Idx );
+
+ strcpy( option_txt, "F" ); /* No idea what this means but the original ircd sends it ... */
+#ifdef USE_ZLIB
+ if( options & CONN_ZIP ) strcat( option_txt, "z" );
+#endif
+
+ return option_txt;
+} /* Option_String */
+
+
/* -eof- */