1461 lines
40 KiB
C
1461 lines
40 KiB
C
/*
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* ngIRCd -- The Next Generation IRC Daemon
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* Copyright (c)2001-2011 Alexander Barton (alex@barton.de) and Contributors.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* Please read the file COPYING, README and AUTHORS for more information.
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*/
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#include "portab.h"
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/**
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* @file
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* IRC info commands
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*/
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#include "imp.h"
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#include <assert.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <strings.h>
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#include "ngircd.h"
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#include "conn-func.h"
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#include "conn-zip.h"
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#include "channel.h"
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#include "conf.h"
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#include "defines.h"
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#include "log.h"
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#include "messages.h"
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#include "match.h"
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#include "tool.h"
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#include "parse.h"
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#include "irc-write.h"
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#include "exp.h"
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#include "irc-info.h"
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GLOBAL bool
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IRC_ADMIN(CLIENT *Client, REQUEST *Req )
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{
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CLIENT *target, *prefix;
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assert( Client != NULL );
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assert( Req != NULL );
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if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
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/* find target ... */
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if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
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else target = Client_ThisServer( );
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/* find Prefix */
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if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
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else prefix = Client;
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if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
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/* forwad message to another server? */
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if( target != Client_ThisServer( ))
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{
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if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
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/* forward */
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IRC_WriteStrClientPrefix( target, prefix, "ADMIN %s", Req->argv[0] );
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return CONNECTED;
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}
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/* mit Versionsinfo antworten */
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if( ! IRC_WriteStrClient( Client, RPL_ADMINME_MSG, Client_ID( prefix ), Conf_ServerName )) return DISCONNECTED;
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if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC1_MSG, Client_ID( prefix ), Conf_ServerAdmin1 )) return DISCONNECTED;
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if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC2_MSG, Client_ID( prefix ), Conf_ServerAdmin2 )) return DISCONNECTED;
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if( ! IRC_WriteStrClient( Client, RPL_ADMINEMAIL_MSG, Client_ID( prefix ), Conf_ServerAdminMail )) return DISCONNECTED;
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IRC_SetPenalty( Client, 1 );
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return CONNECTED;
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} /* IRC_ADMIN */
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/**
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* Handler for the IRC command "INFO".
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* See RFC 2812 section 3.4.10.
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*/
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GLOBAL bool
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IRC_INFO(CLIENT * Client, REQUEST * Req)
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{
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CLIENT *target, *prefix;
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char msg[510];
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assert(Client != NULL);
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assert(Req != NULL);
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/* Wrong number of parameters? */
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if (Req->argc > 1)
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return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
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Client_ID(Client), Req->command);
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/* Determine prefix */
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if (Client_Type(Client) == CLIENT_SERVER)
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prefix = Client_Search(Req->prefix);
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else
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prefix = Client;
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if (!prefix)
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return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
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Client_ID(Client), Req->prefix);
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/* Look for a target */
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if (Req->argc > 0)
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target = Client_Search(Req->argv[0]);
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else
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target = Client_ThisServer();
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/* Make sure that the target is a server */
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if (target && Client_Type(target) != CLIENT_SERVER)
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target = Client_Introducer(target);
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if (!target)
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return IRC_WriteStrClient(prefix, ERR_NOSUCHSERVER_MSG,
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Client_ID(prefix), Req->argv[0]);
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/* Pass on to another server? */
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if (target != Client_ThisServer()) {
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IRC_WriteStrClientPrefix(target, prefix, "INFO %s",
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Req->argv[0]);
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return CONNECTED;
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}
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if (!IRC_WriteStrClient(Client, RPL_INFO_MSG, Client_ID(prefix),
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NGIRCd_Version))
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return DISCONNECTED;
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#if defined(__DATE__) && defined(__TIME__)
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snprintf(msg, sizeof(msg), "Birth Date: %s at %s", __DATE__, __TIME__);
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if (!IRC_WriteStrClient(Client, RPL_INFO_MSG, Client_ID(prefix), msg))
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return DISCONNECTED;
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#endif
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strlcpy(msg, "On-line since ", sizeof(msg));
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strlcat(msg, NGIRCd_StartStr, sizeof(msg));
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if (!IRC_WriteStrClient(Client, RPL_INFO_MSG, Client_ID(prefix), msg))
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return DISCONNECTED;
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if (!IRC_WriteStrClient(Client, RPL_ENDOFINFO_MSG, Client_ID(prefix)))
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return DISCONNECTED;
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IRC_SetPenalty(Client, 2);
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return CONNECTED;
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} /* IRC_INFO */
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GLOBAL bool
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IRC_ISON( CLIENT *Client, REQUEST *Req )
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{
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char rpl[COMMAND_LEN];
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CLIENT *c;
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char *ptr;
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int i;
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assert( Client != NULL );
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assert( Req != NULL );
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/* Falsche Anzahl Parameter? */
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if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
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strlcpy( rpl, RPL_ISON_MSG, sizeof rpl );
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for( i = 0; i < Req->argc; i++ )
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{
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ptr = strtok( Req->argv[i], " " );
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while( ptr )
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{
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ngt_TrimStr( ptr );
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c = Client_Search( ptr );
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if( c && ( Client_Type( c ) == CLIENT_USER ))
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{
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/* Dieser Nick ist "online" */
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strlcat( rpl, ptr, sizeof( rpl ));
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strlcat( rpl, " ", sizeof( rpl ));
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}
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ptr = strtok( NULL, " " );
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}
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}
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ngt_TrimLastChr(rpl, ' ');
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return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
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} /* IRC_ISON */
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GLOBAL bool
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IRC_LINKS( CLIENT *Client, REQUEST *Req )
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{
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CLIENT *target, *from, *c;
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char *mask;
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assert( Client != NULL );
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assert( Req != NULL );
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if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
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/* Server-Mask ermitteln */
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if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
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else mask = "*";
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/* Absender ermitteln */
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if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
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else from = Client;
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if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
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/* An anderen Server forwarden? */
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if( Req->argc == 2 )
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{
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target = Client_Search( Req->argv[0] );
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if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
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else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
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}
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/* Wer ist der Absender? */
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if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
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else target = Client;
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if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
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c = Client_First( );
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while( c )
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{
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if( Client_Type( c ) == CLIENT_SERVER )
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{
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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;
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}
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c = Client_Next( c );
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}
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IRC_SetPenalty( target, 1 );
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return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
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} /* IRC_LINKS */
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GLOBAL bool
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IRC_LUSERS( CLIENT *Client, REQUEST *Req )
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{
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CLIENT *target, *from;
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assert( Client != NULL );
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assert( Req != NULL );
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if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
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/* Absender ermitteln */
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if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
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else from = Client;
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if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
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/* An anderen Server forwarden? */
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if( Req->argc == 2 )
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{
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target = Client_Search( Req->argv[1] );
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if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
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else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
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}
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/* Wer ist der Absender? */
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if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
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else target = Client;
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if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
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IRC_Send_LUSERS( target );
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IRC_SetPenalty( target, 1 );
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return CONNECTED;
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} /* IRC_LUSERS */
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/**
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* Handler for the IRC command "SERVLIST".
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* List registered services, see RFC 2811, section 3.5.1: the syntax is
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* "SERVLIST [<mask> [<type>]]".
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*/
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GLOBAL bool
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IRC_SERVLIST(CLIENT *Client, REQUEST *Req)
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{
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CLIENT *c;
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assert(Client != NULL);
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assert(Req != NULL);
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if (Req->argc > 2)
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return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
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Client_ID(Client), Req->command);
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if (Req->argc < 2 || strcmp(Req->argv[1], "0") == 0) {
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for (c = Client_First(); c!= NULL; c = Client_Next(c)) {
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if (Client_Type(c) != CLIENT_SERVICE)
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continue;
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if (Req->argc > 0 && !MatchCaseInsensitive(Req->argv[0],
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Client_ID(c)))
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continue;
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if (!IRC_WriteStrClient(Client, RPL_SERVLIST_MSG,
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Client_ID(Client), Client_Mask(c),
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Client_Mask(Client_Introducer(c)), "*",
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0, Client_Hops(c), Client_Info(c)))
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return DISCONNECTED;
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}
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}
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return IRC_WriteStrClient(Client, RPL_SERVLISTEND_MSG, Client_ID(Client),
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Req->argc > 0 ? Req->argv[0] : "*",
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Req->argc > 1 ? Req->argv[1] : "0");
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} /* IRC_SERVLIST */
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GLOBAL bool
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IRC_MOTD( CLIENT *Client, REQUEST *Req )
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{
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CLIENT *from, *target;
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assert( Client != NULL );
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assert( Req != NULL );
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if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
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/* From aus Prefix ermitteln */
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if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
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else from = Client;
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if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
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if( Req->argc == 1 )
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{
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/* forward? */
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target = Client_Search( Req->argv[0] );
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if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
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if( target != Client_ThisServer( ))
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{
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/* Ok, anderer Server ist das Ziel: forwarden */
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return IRC_WriteStrClientPrefix( target, from, "MOTD %s", Req->argv[0] );
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}
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}
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IRC_SetPenalty( from, 3 );
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return IRC_Show_MOTD( from );
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} /* IRC_MOTD */
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GLOBAL bool
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IRC_NAMES( CLIENT *Client, REQUEST *Req )
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{
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char rpl[COMMAND_LEN], *ptr;
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CLIENT *target, *from, *c;
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CHANNEL *chan;
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assert( Client != NULL );
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assert( Req != NULL );
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if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
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/* use prefix to determine "From" */
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if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
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else from = Client;
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if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
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if( Req->argc == 2 )
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{
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/* forward to another server? */
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target = Client_Search( Req->argv[1] );
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if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
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if( target != Client_ThisServer( )) {
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/* target is another server, forward */
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return IRC_WriteStrClientPrefix( target, from, "NAMES %s :%s", Req->argv[0], Req->argv[1] );
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}
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}
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if( Req->argc > 0 )
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{
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/* bestimmte Channels durchgehen */
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ptr = strtok( Req->argv[0], "," );
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while( ptr )
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{
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chan = Channel_Search( ptr );
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if( chan )
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{
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/* print name */
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if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
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}
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if( ! IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), ptr )) return DISCONNECTED;
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/* get next channel name */
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ptr = strtok( NULL, "," );
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}
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return CONNECTED;
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}
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chan = Channel_First( );
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while( chan )
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{
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if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
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chan = Channel_Next( chan );
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}
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/* Now print all clients which are not in any channel */
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c = Client_First( );
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snprintf( rpl, sizeof( rpl ), RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
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while( c )
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{
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if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ) && ( ! strchr( Client_Modes( c ), 'i' )))
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{
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/* its a user, concatenate ... */
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if( rpl[strlen( rpl ) - 1] != ':' ) strlcat( rpl, " ", sizeof( rpl ));
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strlcat( rpl, Client_ID( c ), sizeof( rpl ));
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if( strlen( rpl ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
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{
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/* Line is gwoing too long, send now */
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if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
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snprintf( rpl, sizeof( rpl ), RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
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}
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}
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c = Client_Next( c );
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}
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if( rpl[strlen( rpl ) - 1] != ':')
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{
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if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
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}
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IRC_SetPenalty( from, 1 );
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return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" );
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} /* IRC_NAMES */
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static unsigned int
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t_diff(time_t *t, const time_t d)
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{
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time_t diff, remain;
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diff = *t / d;
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remain = diff * d;
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*t -= remain;
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return (unsigned int)diff;
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}
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static unsigned int
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uptime_days(time_t *now)
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{
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return t_diff(now, 60 * 60 * 24);
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}
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static unsigned int
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uptime_hrs(time_t *now)
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{
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return t_diff(now, 60 * 60);
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}
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static unsigned int
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uptime_mins(time_t *now)
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{
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return t_diff(now, 60);
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}
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/**
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* Handler for the IRC command "STATS".
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* See RFC 2812 section 3.4.4.
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*/
|
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GLOBAL bool
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IRC_STATS( CLIENT *Client, REQUEST *Req )
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{
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CLIENT *from, *target, *cl;
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CONN_ID con;
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char query;
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COMMAND *cmd;
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time_t time_now;
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unsigned int days, hrs, mins;
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|
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assert(Client != NULL);
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assert(Req != NULL);
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|
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if (Req->argc > 2)
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return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
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Client_ID(Client), Req->command);
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|
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/* use prefix to determine "From" */
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if (Client_Type(Client) == CLIENT_SERVER)
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from = Client_Search(Req->prefix);
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else
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from = Client;
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if (!from)
|
|
return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
|
|
Client_ID(Client), Req->prefix);
|
|
|
|
if (Req->argc == 2) {
|
|
/* forward to another server? */
|
|
target = Client_Search(Req->argv[1]);
|
|
if ((!target) || (Client_Type(target) != CLIENT_SERVER))
|
|
return IRC_WriteStrClient(from, ERR_NOSUCHSERVER_MSG,
|
|
Client_ID(from), Req->argv[1]);
|
|
|
|
if (target != Client_ThisServer()) {
|
|
/* forward to another server */
|
|
return IRC_WriteStrClientPrefix(target, from,
|
|
"STATS %s %s", Req->argv[0], Req->argv[1]);
|
|
}
|
|
}
|
|
|
|
if (Req->argc > 0)
|
|
query = Req->argv[0][0] ? Req->argv[0][0] : '*';
|
|
else
|
|
query = '*';
|
|
|
|
switch (query) {
|
|
case 'l': /* Link status (servers and own link) */
|
|
case 'L':
|
|
time_now = time(NULL);
|
|
for (con = Conn_First(); con != NONE; con = Conn_Next(con)) {
|
|
cl = Conn_GetClient(con);
|
|
if (!cl)
|
|
continue;
|
|
if ((Client_Type(cl) == CLIENT_SERVER)
|
|
|| (cl == Client)) {
|
|
/* Server link or our own connection */
|
|
#ifdef ZLIB
|
|
if (Conn_Options(con) & CONN_ZIP) {
|
|
if (!IRC_WriteStrClient
|
|
(from, RPL_STATSLINKINFOZIP_MSG,
|
|
Client_ID(from), Client_Mask(cl),
|
|
Conn_SendQ(con), Conn_SendMsg(con),
|
|
Zip_SendBytes(con),
|
|
Conn_SendBytes(con),
|
|
Conn_RecvMsg(con),
|
|
Zip_RecvBytes(con),
|
|
Conn_RecvBytes(con),
|
|
(long)(time_now - Conn_StartTime(con))))
|
|
return DISCONNECTED;
|
|
continue;
|
|
}
|
|
#endif
|
|
if (!IRC_WriteStrClient
|
|
(from, RPL_STATSLINKINFO_MSG,
|
|
Client_ID(from), Client_Mask(cl),
|
|
Conn_SendQ(con), Conn_SendMsg(con),
|
|
Conn_SendBytes(con), Conn_RecvMsg(con),
|
|
Conn_RecvBytes(con),
|
|
(long)(time_now - Conn_StartTime(con))))
|
|
return DISCONNECTED;
|
|
}
|
|
}
|
|
break;
|
|
case 'm': /* IRC command status (usage count) */
|
|
case 'M':
|
|
cmd = Parse_GetCommandStruct();
|
|
for (; cmd->name; cmd++) {
|
|
if (cmd->lcount == 0 && cmd->rcount == 0)
|
|
continue;
|
|
if (!IRC_WriteStrClient
|
|
(from, RPL_STATSCOMMANDS_MSG, Client_ID(from),
|
|
cmd->name, cmd->lcount, cmd->bytes, cmd->rcount))
|
|
return DISCONNECTED;
|
|
}
|
|
break;
|
|
case 'u': /* Server uptime */
|
|
case 'U':
|
|
time_now = time(NULL) - NGIRCd_Start;
|
|
days = uptime_days(&time_now);
|
|
hrs = uptime_hrs(&time_now);
|
|
mins = uptime_mins(&time_now);
|
|
if (!IRC_WriteStrClient(from, RPL_STATSUPTIME, Client_ID(from),
|
|
days, hrs, mins, (unsigned int)time_now))
|
|
return DISCONNECTED;
|
|
break;
|
|
}
|
|
|
|
IRC_SetPenalty(from, 2);
|
|
return IRC_WriteStrClient(from, RPL_ENDOFSTATS_MSG,
|
|
Client_ID(from), query);
|
|
} /* IRC_STATS */
|
|
|
|
|
|
/**
|
|
* Handler for the IRC command "SUMMON".
|
|
* See RFC 2812 section 4.5. ngIRCd doesn't implement this functionality and
|
|
* therefore answers with ERR_SUMMONDISABLED.
|
|
*/
|
|
GLOBAL bool
|
|
IRC_SUMMON(CLIENT * Client, REQUEST * Req)
|
|
{
|
|
return IRC_WriteStrClient(Client, ERR_SUMMONDISABLED_MSG,
|
|
Client_ID(Client), Req->command);
|
|
} /* IRC_SUMMON */
|
|
|
|
|
|
GLOBAL bool
|
|
IRC_TIME( CLIENT *Client, REQUEST *Req )
|
|
{
|
|
CLIENT *from, *target;
|
|
char t_str[64];
|
|
time_t t;
|
|
|
|
assert( Client != NULL );
|
|
assert( Req != NULL );
|
|
|
|
if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
|
|
|
|
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 );
|
|
|
|
if( Req->argc == 1 )
|
|
{
|
|
target = Client_Search( Req->argv[0] );
|
|
if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
|
|
|
|
if( target != Client_ThisServer( ))
|
|
{
|
|
return IRC_WriteStrClientPrefix( target, from, "TIME %s", Req->argv[0] );
|
|
}
|
|
}
|
|
|
|
t = time( NULL );
|
|
(void)strftime( t_str, 60, "%A %B %d %Y -- %H:%M %Z", localtime( &t ));
|
|
return IRC_WriteStrClient( from, RPL_TIME_MSG, Client_ID( from ), Client_ID( Client_ThisServer( )), t_str );
|
|
} /* IRC_TIME */
|
|
|
|
|
|
/**
|
|
* Handler for the IRC command "USERHOST".
|
|
* See RFC 2812 section 4.8.
|
|
*/
|
|
GLOBAL bool
|
|
IRC_USERHOST(CLIENT *Client, REQUEST *Req)
|
|
{
|
|
char rpl[COMMAND_LEN];
|
|
CLIENT *c;
|
|
int max, i;
|
|
|
|
assert(Client != NULL);
|
|
assert(Req != NULL);
|
|
|
|
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;
|
|
|
|
strlcpy(rpl, RPL_USERHOST_MSG, sizeof rpl);
|
|
for (i = 0; i < max; i++) {
|
|
c = Client_Search(Req->argv[i]);
|
|
if (c && (Client_Type(c) == CLIENT_USER)) {
|
|
/* This Nick is "online" */
|
|
strlcat(rpl, Client_ID(c), sizeof(rpl));
|
|
if (Client_HasMode(c, 'o'))
|
|
strlcat(rpl, "*", sizeof(rpl));
|
|
strlcat(rpl, "=", sizeof(rpl));
|
|
if (Client_HasMode(c, 'a'))
|
|
strlcat(rpl, "-", sizeof(rpl));
|
|
else
|
|
strlcat(rpl, "+", sizeof(rpl));
|
|
strlcat(rpl, Client_User(c), sizeof(rpl));
|
|
strlcat(rpl, "@", sizeof(rpl));
|
|
strlcat(rpl, Client_HostnameCloaked(c), sizeof(rpl));
|
|
strlcat(rpl, " ", sizeof(rpl));
|
|
}
|
|
}
|
|
ngt_TrimLastChr(rpl, ' ');
|
|
|
|
return IRC_WriteStrClient(Client, rpl, Client_ID(Client));
|
|
} /* IRC_USERHOST */
|
|
|
|
|
|
/**
|
|
* Handler for the IRC command "USERS".
|
|
* See RFC 2812 section 4.6. As suggested there the command is disabled.
|
|
*/
|
|
GLOBAL bool
|
|
IRC_USERS(CLIENT * Client, REQUEST * Req)
|
|
{
|
|
return IRC_WriteStrClient(Client, ERR_USERSDISABLED_MSG,
|
|
Client_ID(Client), Req->command);
|
|
} /* IRC_USERS */
|
|
|
|
|
|
GLOBAL bool
|
|
IRC_VERSION( CLIENT *Client, REQUEST *Req )
|
|
{
|
|
CLIENT *target, *prefix;
|
|
|
|
assert( Client != NULL );
|
|
assert( Req != NULL );
|
|
|
|
if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
|
|
|
|
/* Ziel suchen */
|
|
if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
|
|
else target = Client_ThisServer( );
|
|
|
|
/* Prefix ermitteln */
|
|
if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
|
|
else prefix = Client;
|
|
if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
|
|
|
|
/* An anderen Server weiterleiten? */
|
|
if( target != Client_ThisServer( ))
|
|
{
|
|
if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
|
|
|
|
/* forwarden */
|
|
IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
|
|
return CONNECTED;
|
|
}
|
|
|
|
/* send version information */
|
|
IRC_SetPenalty(Client, 1);
|
|
return IRC_WriteStrClient(Client, RPL_VERSION_MSG, Client_ID(prefix),
|
|
PACKAGE_NAME, PACKAGE_VERSION,
|
|
NGIRCd_DebugLevel, Conf_ServerName,
|
|
NGIRCd_VersionAddition);
|
|
} /* IRC_VERSION */
|
|
|
|
|
|
static bool
|
|
write_whoreply(CLIENT *Client, CLIENT *c, const char *channelname, const char *flags)
|
|
{
|
|
return IRC_WriteStrClient(Client, RPL_WHOREPLY_MSG, Client_ID(Client),
|
|
channelname, Client_User(c),
|
|
Client_HostnameCloaked(c),
|
|
Client_ID(Client_Introducer(c)), Client_ID(c),
|
|
flags, Client_Hops(c), Client_Info(c));
|
|
}
|
|
|
|
|
|
static const char *
|
|
who_flags_status(const char *client_modes)
|
|
{
|
|
if (strchr(client_modes, 'a'))
|
|
return "G"; /* away */
|
|
return "H";
|
|
}
|
|
|
|
|
|
static const char *
|
|
who_flags_qualifier(const char *chan_user_modes)
|
|
{
|
|
if (strchr(chan_user_modes, 'o'))
|
|
return "@";
|
|
else if (strchr(chan_user_modes, 'v'))
|
|
return "+";
|
|
return "";
|
|
}
|
|
|
|
|
|
static bool
|
|
IRC_Send_WHO(CLIENT *Client, CHANNEL *Chan, bool OnlyOps)
|
|
{
|
|
bool is_visible, is_member, is_ircop;
|
|
CL2CHAN *cl2chan;
|
|
const char *client_modes;
|
|
const char *chan_user_modes;
|
|
char flags[8];
|
|
CLIENT *c;
|
|
|
|
assert( Client != NULL );
|
|
assert( Chan != NULL );
|
|
|
|
is_member = Channel_IsMemberOf(Chan, Client);
|
|
|
|
/* Secret channel? */
|
|
if (!is_member && strchr(Channel_Modes(Chan), 's'))
|
|
return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG, Client_ID(Client), Channel_Name(Chan));
|
|
|
|
cl2chan = Channel_FirstMember(Chan);
|
|
for (; cl2chan ; cl2chan = Channel_NextMember(Chan, cl2chan)) {
|
|
c = Channel_GetClient(cl2chan);
|
|
|
|
client_modes = Client_Modes(c);
|
|
is_ircop = strchr(client_modes, 'o') != NULL;
|
|
if (OnlyOps && !is_ircop)
|
|
continue;
|
|
|
|
is_visible = strchr(client_modes, 'i') == NULL;
|
|
if (is_member || is_visible) {
|
|
strcpy(flags, who_flags_status(client_modes));
|
|
if (is_ircop)
|
|
strlcat(flags, "*", sizeof(flags));
|
|
|
|
chan_user_modes = Channel_UserModes(Chan, c);
|
|
strlcat(flags, who_flags_qualifier(chan_user_modes), sizeof(flags));
|
|
|
|
if (!write_whoreply(Client, c, Channel_Name(Chan), flags))
|
|
return DISCONNECTED;
|
|
}
|
|
}
|
|
return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG, Client_ID(Client), Channel_Name(Chan));
|
|
} /* IRC_Send_WHO */
|
|
|
|
|
|
GLOBAL bool
|
|
IRC_WHO( CLIENT *Client, REQUEST *Req )
|
|
{
|
|
bool only_ops, have_arg, client_match;
|
|
const char *channelname, *client_modes, *chan_user_modes;
|
|
char pattern[COMMAND_LEN];
|
|
char flags[4];
|
|
CL2CHAN *cl2chan;
|
|
CHANNEL *chan, *cn;
|
|
CLIENT *c;
|
|
|
|
assert( Client != NULL );
|
|
assert( Req != NULL );
|
|
|
|
if (Req->argc > 2)
|
|
return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
|
|
|
|
only_ops = false;
|
|
have_arg = false;
|
|
|
|
if (Req->argc == 2) {
|
|
if (strcmp(Req->argv[1], "o") == 0)
|
|
only_ops = true;
|
|
#ifdef STRICT_RFC
|
|
else return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, Client_ID(Client), Req->command);
|
|
#endif
|
|
}
|
|
|
|
IRC_SetPenalty(Client, 1);
|
|
if (Req->argc >= 1) { /* Channel or Mask. */
|
|
chan = Channel_Search(Req->argv[0]);
|
|
if (chan)
|
|
return IRC_Send_WHO(Client, chan, only_ops);
|
|
if (strcmp(Req->argv[0], "0") != 0) { /* RFC stupidity, same as no arguments */
|
|
have_arg = true;
|
|
strlcpy(pattern, Req->argv[0], sizeof(pattern));
|
|
ngt_LowerStr(pattern);
|
|
IRC_SetPenalty(Client, 3);
|
|
}
|
|
}
|
|
|
|
for (c = Client_First(); c != NULL; c = Client_Next(c)) {
|
|
if (Client_Type(c) != CLIENT_USER)
|
|
continue;
|
|
/*
|
|
* RFC 2812, 3.6.1:
|
|
* In the absence of the parameter, all visible (users who aren't
|
|
* invisible (user mode +i) and who don't have a common channel
|
|
* with the requesting client) are listed.
|
|
*
|
|
* The same result can be achieved by using a [sic] of "0"
|
|
* or any wildcard which will end up matching every visible user.
|
|
*
|
|
* The [sic] passed to WHO is matched against users' host, server, real name and
|
|
* nickname if the channel cannot be found.
|
|
*/
|
|
client_modes = Client_Modes(c);
|
|
if (strchr(client_modes, 'i'))
|
|
continue;
|
|
|
|
if (only_ops && !strchr(client_modes, 'o'))
|
|
continue;
|
|
|
|
if (have_arg) { /* match pattern against user host/server/name/nick */
|
|
client_match = MatchCaseInsensitive(pattern, Client_Hostname(c)); /* user's host */
|
|
if (!client_match)
|
|
client_match = MatchCaseInsensitive(pattern, Client_ID(Client_Introducer(c))); /* server */
|
|
if (!client_match)
|
|
client_match = Match(Req->argv[0], Client_Info(c)); /* realname */
|
|
if (!client_match)
|
|
client_match = MatchCaseInsensitive(pattern, Client_ID(c)); /* nick name */
|
|
|
|
if (!client_match) /* This isn't the client you're looking for */
|
|
continue;
|
|
}
|
|
|
|
strcpy(flags, who_flags_status(client_modes));
|
|
|
|
if (strchr(client_modes, 'o')) /* this client is an operator */
|
|
strlcat(flags, "*", sizeof(flags));
|
|
|
|
/* Search suitable channel */
|
|
cl2chan = Channel_FirstChannelOf(c);
|
|
while (cl2chan) {
|
|
cn = Channel_GetChannel(cl2chan);
|
|
if (Channel_IsMemberOf(cn, Client) ||
|
|
!strchr(Channel_Modes(cn), 's'))
|
|
{
|
|
channelname = Channel_Name(cn);
|
|
break;
|
|
}
|
|
cl2chan = Channel_NextChannelOf(c, cl2chan);
|
|
}
|
|
if (cl2chan) {
|
|
chan = Channel_GetChannel(cl2chan);
|
|
chan_user_modes = Channel_UserModes(chan, c);
|
|
strlcat(flags, who_flags_qualifier(chan_user_modes), sizeof(flags));
|
|
} else
|
|
channelname = "*";
|
|
|
|
if (!write_whoreply(Client, c, channelname, flags))
|
|
return DISCONNECTED;
|
|
}
|
|
|
|
if (Req->argc > 0)
|
|
channelname = Req->argv[0];
|
|
else
|
|
channelname = "*";
|
|
|
|
return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG, Client_ID(Client), channelname);
|
|
} /* IRC_WHO */
|
|
|
|
|
|
/**
|
|
* Generate WHOIS reply of one actual client.
|
|
*
|
|
* @param Client The client from which this command has been received.
|
|
* @param from The client requesting the information ("originator").
|
|
* @param c The client of which information should be returned.
|
|
* @returns CONNECTED or DISCONNECTED.
|
|
*/
|
|
static bool
|
|
IRC_WHOIS_SendReply(CLIENT *Client, CLIENT *from, CLIENT *c)
|
|
{
|
|
char str[LINE_LEN + 1];
|
|
CL2CHAN *cl2chan;
|
|
CHANNEL *chan;
|
|
|
|
/* Nick, user, hostname and client info */
|
|
if (!IRC_WriteStrClient(from, RPL_WHOISUSER_MSG, Client_ID(from),
|
|
Client_ID(c), Client_User(c),
|
|
Client_HostnameCloaked(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 */
|
|
snprintf(str, sizeof(str), RPL_WHOISCHANNELS_MSG,
|
|
Client_ID(from), Client_ID(c));
|
|
cl2chan = Channel_FirstChannelOf(c);
|
|
while (cl2chan) {
|
|
chan = Channel_GetChannel(cl2chan);
|
|
assert(chan != NULL);
|
|
|
|
/* next */
|
|
cl2chan = Channel_NextChannelOf(c, cl2chan);
|
|
|
|
/* Secret channel? */
|
|
if (strchr(Channel_Modes(chan), 's')
|
|
&& !Channel_IsMemberOf(chan, Client))
|
|
continue;
|
|
|
|
/* Local channel and request is not from a user? */
|
|
if (Client_Type(Client) == CLIENT_SERVER
|
|
&& Channel_IsLocal(chan))
|
|
continue;
|
|
|
|
/* Concatenate channel names */
|
|
if (str[strlen(str) - 1] != ':')
|
|
strlcat(str, " ", sizeof(str));
|
|
|
|
strlcat(str, who_flags_qualifier(Channel_UserModes(chan, c)),
|
|
sizeof(str));
|
|
strlcat(str, Channel_Name(chan), sizeof(str));
|
|
|
|
if (strlen(str) > (LINE_LEN - CHANNEL_NAME_LEN - 4)) {
|
|
/* Line becomes too long: send it! */
|
|
if (!IRC_WriteStrClient(Client, "%s", str))
|
|
return DISCONNECTED;
|
|
snprintf(str, sizeof(str), RPL_WHOISCHANNELS_MSG,
|
|
Client_ID(from), Client_ID(c));
|
|
}
|
|
}
|
|
if(str[strlen(str) - 1] != ':') {
|
|
/* There is data left to send: */
|
|
if (!IRC_WriteStrClient(Client, "%s", str))
|
|
return DISCONNECTED;
|
|
}
|
|
|
|
/* IRC-Operator? */
|
|
if (Client_HasMode(c, 'o') &&
|
|
!IRC_WriteStrClient(from, RPL_WHOISOPERATOR_MSG,
|
|
Client_ID(from), Client_ID(c)))
|
|
return DISCONNECTED;
|
|
|
|
/* Connected using SSL? */
|
|
if (Conn_UsesSSL(Client_Conn(c)) &&
|
|
!IRC_WriteStrClient(from, RPL_WHOISSSL_MSG,
|
|
Client_ID(from), Client_ID(c)))
|
|
return DISCONNECTED;
|
|
|
|
/* Idle and signon time (local clients only!) */
|
|
if (!Conf_MorePrivacy && Client_Conn(c) > NONE &&
|
|
!IRC_WriteStrClient(from, RPL_WHOISIDLE_MSG,
|
|
Client_ID(from), Client_ID(c),
|
|
(unsigned long)Conn_GetIdle(Client_Conn(c)),
|
|
(unsigned long)Conn_GetSignon(Client_Conn(c))))
|
|
return DISCONNECTED;
|
|
|
|
/* Away? */
|
|
if (Client_HasMode(c, 'a') &&
|
|
!IRC_WriteStrClient(from, RPL_AWAY_MSG,
|
|
Client_ID(from), Client_ID(c),
|
|
Client_Away(c)))
|
|
return DISCONNECTED;
|
|
|
|
return IRC_WriteStrClient(from, RPL_ENDOFWHOIS_MSG,
|
|
Client_ID(from), Client_ID(c));
|
|
} /* IRC_WHOIS_SendReply */
|
|
|
|
|
|
/**
|
|
* Handler for the IRC "WHOIS" command.
|
|
*
|
|
* See RFC 2812, 3.6.2 "Whois query".
|
|
*
|
|
* @param Client The client from which this command has been received.
|
|
* @param Req Request structure with prefix and all parameters.
|
|
* @return CONNECTED or DISCONNECTED.
|
|
*/
|
|
GLOBAL bool
|
|
IRC_WHOIS( CLIENT *Client, REQUEST *Req )
|
|
{
|
|
CLIENT *from, *target, *c;
|
|
unsigned int match_count = 0, found = 0;
|
|
bool has_wildcards, is_remote;
|
|
bool got_wildcard = false;
|
|
const char *query;
|
|
|
|
assert( Client != NULL );
|
|
assert( Req != NULL );
|
|
|
|
/* Bad number of parameters? */
|
|
if (Req->argc < 1 || Req->argc > 2)
|
|
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
|
|
Client_ID(Client), Req->command);
|
|
|
|
/* Search sender of the WHOIS */
|
|
if (Client_Type(Client) == CLIENT_SERVER) {
|
|
from = Client_Search(Req->prefix);
|
|
} else {
|
|
IRC_SetPenalty(Client, 1);
|
|
from = Client;
|
|
}
|
|
if (!from)
|
|
return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
|
|
Client_ID(Client), Req->prefix);
|
|
|
|
/* Get target server for this command */
|
|
if (Req->argc > 1) {
|
|
/* Search the target server, which can be specified as a
|
|
* nick name on that server as well: */
|
|
target = Client_Search(Req->argv[0]);
|
|
if (!target)
|
|
return IRC_WriteStrClient(from, ERR_NOSUCHSERVER_MSG,
|
|
Client_ID(from), Req->argv[0]);
|
|
} else
|
|
target = Client_ThisServer();
|
|
assert(target != NULL);
|
|
|
|
/* Forward to other server? */
|
|
if (Client_NextHop(target) != Client_ThisServer() &&
|
|
Client_Type(Client_NextHop(target)) == CLIENT_SERVER)
|
|
return IRC_WriteStrClientPrefix(target, from,
|
|
"WHOIS %s :%s",
|
|
Req->argv[0], Req->argv[1]);
|
|
|
|
is_remote = Client_Conn(from) < 0;
|
|
for (query = strtok(Req->argv[Req->argc - 1], ",");
|
|
query && found < 3;
|
|
query = strtok(NULL, ","), found++)
|
|
{
|
|
has_wildcards = query[strcspn(query, "*?")] != 0;
|
|
/*
|
|
* follows ircd 2.10 implementation:
|
|
* - handle up to 3 targets
|
|
* - no wildcards for remote clients
|
|
* - only one wildcard target per local client
|
|
*
|
|
* also, at most ten matches are returned.
|
|
*/
|
|
if (!has_wildcards || is_remote) {
|
|
c = Client_Search(query);
|
|
if (c) {
|
|
if (!IRC_WHOIS_SendReply(Client, from, c))
|
|
return DISCONNECTED;
|
|
} else {
|
|
if (!IRC_WriteStrClient(Client,
|
|
ERR_NOSUCHNICK_MSG,
|
|
Client_ID(Client),
|
|
query))
|
|
return DISCONNECTED;
|
|
}
|
|
continue;
|
|
}
|
|
if (got_wildcard) {
|
|
/* we already handled one wildcard query */
|
|
if (!IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
|
|
Client_ID(Client), query))
|
|
return DISCONNECTED;
|
|
continue;
|
|
}
|
|
got_wildcard = true;
|
|
IRC_SetPenalty(Client, 3);
|
|
|
|
for (c = Client_First(); c && match_count < 10; c = Client_Next(c)) {
|
|
if (Client_Type(c) != CLIENT_USER)
|
|
continue;
|
|
if (!MatchCaseInsensitive(query, Client_ID(c)))
|
|
continue;
|
|
if (!IRC_WHOIS_SendReply(Client, from, c))
|
|
return DISCONNECTED;
|
|
match_count++;
|
|
}
|
|
|
|
if (match_count == 0)
|
|
return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
|
|
Client_ID(Client), Req->argv[Req->argc - 1]);
|
|
}
|
|
return CONNECTED;
|
|
} /* IRC_WHOIS */
|
|
|
|
|
|
static bool
|
|
WHOWAS_EntryWrite(CLIENT *prefix, WHOWAS *entry)
|
|
{
|
|
char t_str[60];
|
|
|
|
(void)strftime(t_str, sizeof(t_str), "%a %b %d %H:%M:%S %Y",
|
|
localtime(&entry->time));
|
|
|
|
if (!IRC_WriteStrClient(prefix, RPL_WHOWASUSER_MSG, Client_ID(prefix),
|
|
entry->id, entry->user, entry->host, entry->info))
|
|
return DISCONNECTED;
|
|
|
|
return IRC_WriteStrClient(prefix, RPL_WHOISSERVER_MSG, Client_ID(prefix),
|
|
entry->id, entry->server, t_str);
|
|
}
|
|
|
|
/**
|
|
* IRC "WHOWAS" function.
|
|
* This function implements the IRC command "WHOWHAS". It handles local
|
|
* requests and request that should be forwarded to other servers.
|
|
*/
|
|
GLOBAL bool
|
|
IRC_WHOWAS( CLIENT *Client, REQUEST *Req )
|
|
{
|
|
CLIENT *target, *prefix;
|
|
WHOWAS *whowas;
|
|
char tok_buf[COMMAND_LEN];
|
|
int max, last, count, i, nc;
|
|
const char *nick;
|
|
|
|
assert( Client != NULL );
|
|
assert( Req != NULL );
|
|
|
|
/* Do not reveal any info on disconnected users? */
|
|
if (Conf_MorePrivacy)
|
|
return CONNECTED;
|
|
|
|
/* Wrong number of parameters? */
|
|
if (Req->argc > 3)
|
|
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
|
|
Client_ID(Client), Req->command);
|
|
if (Req->argc < 1)
|
|
return IRC_WriteStrClient(Client, ERR_NONICKNAMEGIVEN_MSG, Client_ID(Client));
|
|
|
|
/* Search target */
|
|
if (Req->argc == 3)
|
|
target = Client_Search(Req->argv[2]);
|
|
else
|
|
target = Client_ThisServer();
|
|
|
|
/* Get prefix */
|
|
if (Client_Type(Client) == CLIENT_SERVER)
|
|
prefix = Client_Search(Req->prefix);
|
|
else
|
|
prefix = Client;
|
|
|
|
if (!prefix)
|
|
return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
|
|
Client_ID(Client), Req->prefix);
|
|
|
|
/* Forward to other server? */
|
|
if (target != Client_ThisServer()) {
|
|
if (!target || (Client_Type(target) != CLIENT_SERVER))
|
|
return IRC_WriteStrClient(prefix, ERR_NOSUCHSERVER_MSG,
|
|
Client_ID(prefix), Req->argv[2]);
|
|
|
|
/* Forward */
|
|
IRC_WriteStrClientPrefix( target, prefix, "WHOWAS %s %s %s",
|
|
Req->argv[0], Req->argv[1],
|
|
Req->argv[2] );
|
|
return CONNECTED;
|
|
}
|
|
|
|
whowas = Client_GetWhowas( );
|
|
last = Client_GetLastWhowasIndex( );
|
|
if (last < 0)
|
|
last = 0;
|
|
|
|
max = DEFAULT_WHOWAS;
|
|
if (Req->argc > 1) {
|
|
max = atoi(Req->argv[1]);
|
|
if (max < 1)
|
|
max = MAX_WHOWAS;
|
|
}
|
|
|
|
/*
|
|
* Break up the nick argument into a list of nicks, if applicable
|
|
* Can't modify Req->argv[0] because we need it for RPL_ENDOFWHOWAS_MSG.
|
|
*/
|
|
strlcpy(tok_buf, Req->argv[0], sizeof(tok_buf));
|
|
nick = strtok(tok_buf, ",");
|
|
|
|
for (i=last, count=0; nick != NULL ; nick = strtok(NULL, ",")) {
|
|
nc = 0;
|
|
do {
|
|
/* Used entry? */
|
|
if (whowas[i].time > 0 && strcasecmp(nick, whowas[i].id) == 0) {
|
|
if (!WHOWAS_EntryWrite(prefix, &whowas[i]))
|
|
return DISCONNECTED;
|
|
nc++;
|
|
count++;
|
|
}
|
|
/* previous entry */
|
|
i--;
|
|
|
|
/* "underflow", wrap around */
|
|
if (i < 0)
|
|
i = MAX_WHOWAS - 1;
|
|
|
|
if (nc && count >= max)
|
|
break;
|
|
} while (i != last);
|
|
|
|
if (nc == 0 && !IRC_WriteStrClient(prefix, ERR_WASNOSUCHNICK_MSG,
|
|
Client_ID(prefix), nick))
|
|
return DISCONNECTED;
|
|
}
|
|
return IRC_WriteStrClient(prefix, RPL_ENDOFWHOWAS_MSG, Client_ID(prefix), Req->argv[0]);
|
|
} /* IRC_WHOWAS */
|
|
|
|
|
|
GLOBAL bool
|
|
IRC_Send_LUSERS( CLIENT *Client )
|
|
{
|
|
unsigned long cnt;
|
|
#ifndef STRICT_RFC
|
|
unsigned long max;
|
|
#endif
|
|
|
|
assert( Client != NULL );
|
|
|
|
/* Users, services and serevers in the network */
|
|
if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
|
|
|
|
/* Number of IRC operators */
|
|
cnt = Client_OperCount( );
|
|
if( cnt > 0 )
|
|
{
|
|
if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
|
|
}
|
|
|
|
/* Unknown connections */
|
|
cnt = Client_UnknownCount( );
|
|
if( cnt > 0 )
|
|
{
|
|
if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
|
|
}
|
|
|
|
/* Number of created channels */
|
|
if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
|
|
|
|
/* Number of local users, services and servers */
|
|
if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
|
|
|
|
#ifndef STRICT_RFC
|
|
/* Maximum number of local users */
|
|
cnt = Client_MyUserCount();
|
|
max = Client_MyMaxUserCount();
|
|
if (! IRC_WriteStrClient(Client, RPL_LOCALUSERS_MSG, Client_ID(Client),
|
|
cnt, max, cnt, max))
|
|
return DISCONNECTED;
|
|
/* Maximum number of users in the network */
|
|
cnt = Client_UserCount();
|
|
max = Client_MaxUserCount();
|
|
if(! IRC_WriteStrClient(Client, RPL_NETUSERS_MSG, Client_ID(Client),
|
|
cnt, max, cnt, max))
|
|
return DISCONNECTED;
|
|
/* Connection counters */
|
|
if (! IRC_WriteStrClient(Client, RPL_STATSCONN_MSG, Client_ID(Client),
|
|
Conn_CountMax(), Conn_CountAccepted()))
|
|
return DISCONNECTED;
|
|
#endif
|
|
|
|
return CONNECTED;
|
|
} /* IRC_Send_LUSERS */
|
|
|
|
|
|
static bool
|
|
Show_MOTD_Start(CLIENT *Client)
|
|
{
|
|
return IRC_WriteStrClient(Client, RPL_MOTDSTART_MSG,
|
|
Client_ID( Client ), Client_ID( Client_ThisServer( )));
|
|
}
|
|
|
|
static bool
|
|
Show_MOTD_Sendline(CLIENT *Client, const char *msg)
|
|
{
|
|
return IRC_WriteStrClient(Client, RPL_MOTD_MSG, Client_ID( Client ), msg);
|
|
}
|
|
|
|
static bool
|
|
Show_MOTD_End(CLIENT *Client)
|
|
{
|
|
return IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ));
|
|
}
|
|
|
|
#ifdef SSL_SUPPORT
|
|
static bool Show_MOTD_SSLInfo(CLIENT *Client)
|
|
{
|
|
bool ret = true;
|
|
char buf[COMMAND_LEN] = "Connected using Cipher ";
|
|
|
|
if (!Conn_GetCipherInfo(Client_Conn(Client), buf + 23, sizeof buf - 23))
|
|
return true;
|
|
|
|
if (!Show_MOTD_Sendline(Client, buf))
|
|
ret = false;
|
|
|
|
return ret;
|
|
}
|
|
#else
|
|
static inline bool
|
|
Show_MOTD_SSLInfo(UNUSED CLIENT *c)
|
|
{ return true; }
|
|
#endif
|
|
|
|
GLOBAL bool
|
|
IRC_Show_MOTD( CLIENT *Client )
|
|
{
|
|
const char *line;
|
|
size_t len_tot, len_str;
|
|
|
|
assert( Client != NULL );
|
|
|
|
len_tot = array_bytes(&Conf_Motd);
|
|
if (len_tot == 0 && !Conn_UsesSSL(Client_Conn(Client)))
|
|
return IRC_WriteStrClient(Client, ERR_NOMOTD_MSG, Client_ID(Client));
|
|
|
|
if (!Show_MOTD_Start(Client))
|
|
return DISCONNECTED;
|
|
|
|
line = array_start(&Conf_Motd);
|
|
while (len_tot > 0) {
|
|
len_str = strlen(line) + 1;
|
|
|
|
assert(len_tot >= len_str);
|
|
len_tot -= len_str;
|
|
|
|
if (!Show_MOTD_Sendline(Client, line))
|
|
return DISCONNECTED;
|
|
line += len_str;
|
|
}
|
|
|
|
if (!Show_MOTD_SSLInfo(Client))
|
|
return DISCONNECTED;
|
|
return Show_MOTD_End(Client);
|
|
} /* IRC_Show_MOTD */
|
|
|
|
|
|
GLOBAL bool
|
|
IRC_Send_NAMES( CLIENT *Client, CHANNEL *Chan )
|
|
{
|
|
bool is_visible, is_member;
|
|
char str[LINE_LEN + 1];
|
|
CL2CHAN *cl2chan;
|
|
CLIENT *cl;
|
|
|
|
assert( Client != NULL );
|
|
assert( Chan != NULL );
|
|
|
|
if( Channel_IsMemberOf( Chan, Client )) is_member = true;
|
|
else is_member = false;
|
|
|
|
/* Do not print info on channel memberships to anyone that is not member? */
|
|
if (Conf_MorePrivacy && !is_member)
|
|
return CONNECTED;
|
|
|
|
/* Secret channel? */
|
|
if( ! is_member && strchr( Channel_Modes( Chan ), 's' )) return CONNECTED;
|
|
|
|
/* Alle Mitglieder suchen */
|
|
snprintf( str, sizeof( str ), RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
|
|
cl2chan = Channel_FirstMember( Chan );
|
|
while( cl2chan )
|
|
{
|
|
cl = Channel_GetClient( cl2chan );
|
|
|
|
if( strchr( Client_Modes( cl ), 'i' )) is_visible = false;
|
|
else is_visible = true;
|
|
|
|
if( is_member || is_visible )
|
|
{
|
|
/* Nick anhaengen */
|
|
if( str[strlen( str ) - 1] != ':' ) strlcat( str, " ", sizeof( str ));
|
|
if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strlcat( str, "@", sizeof( str ));
|
|
else if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strlcat( str, "+", sizeof( str ));
|
|
strlcat( str, Client_ID( cl ), sizeof( str ));
|
|
|
|
if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
|
|
{
|
|
/* Zeile wird zu lang: senden! */
|
|
if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
|
|
snprintf( str, sizeof( 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, "%s", str )) return DISCONNECTED;
|
|
}
|
|
|
|
return CONNECTED;
|
|
} /* IRC_Send_NAMES */
|
|
|
|
|
|
/**
|
|
* Send the ISUPPORT numeric (005).
|
|
* This numeric indicates the features that are supported by this server.
|
|
* See <http://www.irc.org/tech_docs/005.html> for details.
|
|
*/
|
|
GLOBAL bool
|
|
IRC_Send_ISUPPORT(CLIENT * Client)
|
|
{
|
|
if (!IRC_WriteStrClient(Client, RPL_ISUPPORT1_MSG, Client_ID(Client),
|
|
Conf_MaxJoins))
|
|
return DISCONNECTED;
|
|
return IRC_WriteStrClient(Client, RPL_ISUPPORT2_MSG, Client_ID(Client),
|
|
CHANNEL_NAME_LEN - 1, Conf_MaxNickLength - 1,
|
|
COMMAND_LEN - 23, CLIENT_AWAY_LEN - 1,
|
|
COMMAND_LEN - 113);
|
|
} /* IRC_Send_ISUPPORT */
|
|
|
|
|
|
/* -eof- */
|