2002-02-28 00:26:21 +01:00
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/*
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* ngIRCd -- The Next Generation IRC Daemon
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* Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
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*
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2002-12-12 13:24:18 +01:00
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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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2002-02-28 00:26:21 +01:00
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*
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2002-12-12 13:24:18 +01:00
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* Login and logout
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2002-02-28 00:26:21 +01:00
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*/
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2002-03-12 15:37:51 +01:00
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#include "portab.h"
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2002-02-28 00:26:21 +01:00
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2008-02-05 12:46:55 +01:00
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static char UNUSED id[] = "$Id: irc-login.c,v 1.55 2008/02/05 11:46:55 fw Exp $";
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2002-12-12 13:24:18 +01:00
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2002-03-12 15:37:51 +01:00
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#include "imp.h"
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2002-02-28 00:26:21 +01:00
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#include <assert.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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2004-01-17 04:17:49 +01:00
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#include <strings.h>
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2002-02-28 00:26:21 +01:00
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#include "ngircd.h"
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2002-05-27 15:09:26 +02:00
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#include "resolve.h"
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2002-12-30 18:15:42 +01:00
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#include "conn-func.h"
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2002-12-30 01:01:42 +01:00
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#include "conf.h"
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2002-05-27 15:09:26 +02:00
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#include "client.h"
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#include "channel.h"
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2002-02-28 00:26:21 +01:00
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#include "log.h"
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#include "messages.h"
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2002-05-27 15:09:26 +02:00
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#include "parse.h"
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2003-01-08 23:28:12 +01:00
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#include "irc.h"
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2002-11-30 18:39:56 +01:00
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#include "irc-info.h"
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2002-05-27 15:09:26 +02:00
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#include "irc-write.h"
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2003-12-04 15:05:16 +01:00
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#include "cvs-version.h"
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2002-02-28 00:26:21 +01:00
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2002-03-12 15:37:51 +01:00
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#include "exp.h"
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2002-02-28 00:26:21 +01:00
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#include "irc-login.h"
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2005-07-31 22:13:07 +02:00
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static bool Hello_User PARAMS(( CLIENT *Client ));
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static void Kill_Nick PARAMS(( char *Nick, char *Reason ));
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2002-02-28 00:26:21 +01:00
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2006-10-01 21:05:00 +02:00
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/**
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* Handler for the IRC command "PASS".
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* See RFC 2813 section 4.1.1, and RFC 2812 section 3.1.1.
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*/
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2005-03-19 19:43:48 +01:00
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GLOBAL bool
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2002-05-27 15:09:26 +02:00
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IRC_PASS( CLIENT *Client, REQUEST *Req )
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2002-02-28 00:26:21 +01:00
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{
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2006-10-01 21:05:00 +02:00
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char *type, *orig_flags;
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int protohigh, protolow;
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2002-02-28 00:26:21 +01:00
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assert( Client != NULL );
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assert( Req != NULL );
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2006-10-01 21:05:00 +02:00
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/* Return an error if this is not a local client */
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if (Client_Conn(Client) <= NONE)
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return IRC_WriteStrClient(Client, ERR_UNKNOWNCOMMAND_MSG,
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Client_ID(Client), Req->command);
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2002-02-28 00:26:21 +01:00
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2006-10-01 21:05:00 +02:00
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if (Client_Type(Client) == CLIENT_UNKNOWN && Req->argc == 1) {
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/* Not yet registered "unknown" connection, PASS with one
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* argument: either a regular client, service, or server
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* using the old RFC 1459 section 4.1.1 syntax. */
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LogDebug("Connection %d: got PASS command ...",
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Client_Conn(Client));
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} else if ((Client_Type(Client) == CLIENT_UNKNOWN ||
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Client_Type(Client) == CLIENT_UNKNOWNSERVER) &&
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(Req->argc == 3 || Req->argc == 4)) {
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/* Not yet registered "unknown" connection or outgoing server
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* link, PASS with three or four argument: server using the
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* RFC 2813 section 4.1.1 syntax. */
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LogDebug("Connection %d: got PASS command (new server link) ...",
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Client_Conn(Client));
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} else if (Client_Type(Client) == CLIENT_UNKNOWN ||
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Client_Type(Client) == CLIENT_UNKNOWNSERVER) {
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/* Unregistered connection, but wrong number of arguments: */
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return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
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Client_ID(Client), Req->command);
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} else {
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/* Registered connection, PASS command is not allowed! */
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return IRC_WriteStrClient(Client, ERR_ALREADYREGISTRED_MSG,
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Client_ID(Client));
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}
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2002-02-28 00:26:21 +01:00
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2006-10-01 21:05:00 +02:00
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Client_SetPassword(Client, Req->argv[0]);
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Client_SetType(Client, CLIENT_GOTPASS);
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2002-02-28 00:26:21 +01:00
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2006-10-01 21:05:00 +02:00
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/* Protocol version */
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if (Req->argc >= 2 && strlen(Req->argv[1]) >= 4) {
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int c2, c4;
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c2 = Req->argv[1][2];
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c4 = Req->argv[1][4];
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2002-09-03 22:39:54 +02:00
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2006-10-01 21:05:00 +02:00
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Req->argv[1][4] = '\0';
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protolow = atoi(&Req->argv[1][2]);
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Req->argv[1][2] = '\0';
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protohigh = atoi(Req->argv[1]);
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Req->argv[1][2] = c2;
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Req->argv[1][4] = c4;
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} else
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protohigh = protolow = 0;
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/* Protocol type, see doc/Protocol.txt */
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if (Req->argc >= 2 && strlen(Req->argv[1]) > 4)
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type = &Req->argv[1][4];
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else
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type = NULL;
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/* Protocol flags/options */
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if (Req->argc >= 4)
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orig_flags = Req->argv[3];
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else
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orig_flags = "";
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2002-09-02 21:04:30 +02:00
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2006-10-01 21:05:00 +02:00
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/* Implementation, version and IRC+ flags */
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if (Req->argc >= 3) {
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char *impl, *ptr, *serverver, *flags;
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2002-11-27 00:07:24 +01:00
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2002-09-02 21:04:30 +02:00
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impl = Req->argv[2];
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2006-10-01 21:05:00 +02:00
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ptr = strchr(impl, '|');
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if (ptr)
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*ptr = '\0';
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2002-09-02 21:04:30 +02:00
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2006-10-01 21:05:00 +02:00
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if (type && strcmp(type, PROTOIRCPLUS) == 0) {
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/* The peer seems to be a server which supports the
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* IRC+ protocol (see doc/Protocol.txt). */
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2002-09-02 21:04:30 +02:00
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serverver = ptr + 1;
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2006-10-01 21:05:00 +02:00
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flags = strchr(serverver, ':');
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if (flags) {
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2002-09-02 21:04:30 +02:00
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*flags = '\0';
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flags++;
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2006-10-01 21:05:00 +02:00
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} else
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flags = "";
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Log(LOG_INFO,
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"Peer announces itself as %s-%s using protocol %d.%d/IRC+ (flags: \"%s\").",
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impl, serverver, protohigh, protolow, flags);
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} else {
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/* The peer seems to be a server supporting the
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* "original" IRC protocol (RFC 2813). */
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2002-11-27 00:07:24 +01:00
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serverver = "";
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2006-10-01 21:05:00 +02:00
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if (strchr(orig_flags, 'Z'))
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flags = "Z";
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else
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flags = "";
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Log(LOG_INFO,
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"Peer announces itself as \"%s\" using protocol %d.%d (flags: \"%s\").",
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impl, protohigh, protolow, flags);
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2002-09-02 21:04:30 +02:00
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}
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2006-10-01 21:05:00 +02:00
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Client_SetFlags(Client, flags);
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2002-02-28 00:26:21 +01:00
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}
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2006-10-01 21:05:00 +02:00
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return CONNECTED;
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2002-02-28 00:26:21 +01:00
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} /* IRC_PASS */
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2005-05-18 01:24:43 +02:00
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/**
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* IRC "NICK" command.
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* This function implements the IRC command "NICK" which is used to register
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* with the server, to change already registered nicknames and to introduce
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* new users which are connected to other servers.
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*/
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2005-03-19 19:43:48 +01:00
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GLOBAL bool
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2002-05-27 15:09:26 +02:00
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IRC_NICK( CLIENT *Client, REQUEST *Req )
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2002-02-28 00:26:21 +01:00
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{
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CLIENT *intr_c, *target, *c;
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2005-03-19 19:43:48 +01:00
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char *modes;
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2002-02-28 00:26:21 +01:00
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assert( Client != NULL );
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assert( Req != NULL );
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#ifndef STRICT_RFC
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2005-05-18 01:24:43 +02:00
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/* Some IRC clients, for example BitchX, send the NICK and USER
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* commands in the wrong order ... */
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if( Client_Type( Client ) == CLIENT_UNKNOWN
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|| Client_Type( Client ) == CLIENT_GOTPASS
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|| Client_Type( Client ) == CLIENT_GOTNICK
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|| Client_Type( Client ) == CLIENT_GOTUSER
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|| Client_Type( Client ) == CLIENT_USER
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|| ( Client_Type( Client ) == CLIENT_SERVER && Req->argc == 1 ))
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2002-02-28 00:26:21 +01:00
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#else
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2005-05-18 01:24:43 +02:00
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if( Client_Type( Client ) == CLIENT_UNKNOWN
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|| Client_Type( Client ) == CLIENT_GOTPASS
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|| Client_Type( Client ) == CLIENT_GOTNICK
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|| Client_Type( Client ) == CLIENT_USER
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|| ( Client_Type( Client ) == CLIENT_SERVER && Req->argc == 1 ))
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2002-02-28 00:26:21 +01:00
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#endif
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{
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2005-05-18 01:24:43 +02:00
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/* User registration or change of nickname */
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2002-02-28 00:26:21 +01:00
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2005-05-18 01:24:43 +02:00
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/* Wrong number of arguments? */
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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 ),
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Req->command );
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2002-02-28 00:26:21 +01:00
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2005-05-18 01:24:43 +02:00
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/* Search "target" client */
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2002-02-28 00:26:21 +01:00
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if( Client_Type( Client ) == CLIENT_SERVER )
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{
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2002-03-25 18:08:54 +01:00
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target = Client_Search( Req->prefix );
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2005-05-18 01:24:43 +02:00
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if( ! target )
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return IRC_WriteStrClient( Client,
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ERR_NOSUCHNICK_MSG,
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Client_ID( Client ),
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Req->argv[0] );
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2002-02-28 00:26:21 +01:00
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}
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else
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{
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2005-05-18 01:24:43 +02:00
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/* Is this a restricted client? */
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if( Client_HasMode( Client, 'r' ))
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return IRC_WriteStrClient( Client,
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ERR_RESTRICTED_MSG,
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Client_ID( Client ));
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2002-02-28 00:26:21 +01:00
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target = Client;
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}
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#ifndef STRICT_RFC
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2005-05-18 01:24:43 +02:00
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/* If the clients tries to change to its own nickname we won't
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* do anything. This is how the original ircd behaves and some
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* clients (for example Snak) expect it to be like this.
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* But I doubt that this is "really the right thing" ... */
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if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 )
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return CONNECTED;
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2002-02-28 00:26:21 +01:00
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#endif
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2002-04-08 18:37:50 +02:00
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2005-05-18 01:24:43 +02:00
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/* Check that the new nickname is available. Special case:
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* the client only changes from/to upper to lower case. */
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2002-02-28 00:26:21 +01:00
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if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
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{
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2005-05-18 01:24:43 +02:00
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if( ! Client_CheckNick( target, Req->argv[0] ))
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return CONNECTED;
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2002-02-28 00:26:21 +01:00
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}
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2005-05-18 01:24:43 +02:00
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if(( Client_Type( target ) != CLIENT_USER )
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&& ( Client_Type( target ) != CLIENT_SERVER ))
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2002-02-28 00:26:21 +01:00
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{
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2005-05-18 01:24:43 +02:00
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/* New client */
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Log( LOG_DEBUG, "Connection %d: got valid NICK command ...",
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Client_Conn( Client ));
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2002-02-28 00:26:21 +01:00
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2005-05-18 01:24:43 +02:00
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/* Register new nickname of this client */
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2002-02-28 00:26:21 +01:00
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Client_SetID( target, Req->argv[0] );
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2005-05-18 01:24:43 +02:00
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/* If we received a valid USER command already then
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* register the new client! */
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if( Client_Type( Client ) == CLIENT_GOTUSER )
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return Hello_User( Client );
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else
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Client_SetType( Client, CLIENT_GOTNICK );
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2002-02-28 00:26:21 +01:00
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}
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else
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{
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2005-05-18 01:24:43 +02:00
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/* Nickname change */
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2002-04-08 18:37:50 +02:00
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if( Client_Conn( target ) > NONE )
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{
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2005-05-18 01:24:43 +02:00
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/* Local client */
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Log( LOG_INFO,
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"User \"%s\" changed nick (connection %d): \"%s\" -> \"%s\".",
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Client_Mask( target ), Client_Conn( target ),
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Client_ID( target ), Req->argv[0] );
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2002-04-08 18:37:50 +02:00
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}
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else
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{
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2005-05-18 01:24:43 +02:00
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/* Remote client */
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Log( LOG_DEBUG,
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"User \"%s\" changed nick: \"%s\" -> \"%s\".",
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Client_Mask( target ), Client_ID( target ),
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Req->argv[0] );
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2002-04-08 18:37:50 +02:00
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}
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2002-02-28 00:26:21 +01:00
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2005-05-18 01:24:43 +02:00
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/* Inform all users and servers (which have to know)
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* of this nickname change */
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if( Client_Type( Client ) == CLIENT_USER )
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IRC_WriteStrClientPrefix( Client, Client,
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"NICK :%s",
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Req->argv[0] );
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IRC_WriteStrServersPrefix( Client, target,
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"NICK :%s", Req->argv[0] );
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IRC_WriteStrRelatedPrefix( target, target, false,
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"NICK :%s", Req->argv[0] );
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2006-08-12 13:56:24 +02:00
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2005-05-18 01:24:43 +02:00
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/* Register old nickname for WHOWAS queries */
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Client_RegisterWhowas( target );
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2006-08-12 13:56:24 +02:00
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2005-05-18 01:24:43 +02:00
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/* Save new nickname */
|
2002-02-28 00:26:21 +01:00
|
|
|
Client_SetID( target, Req->argv[0] );
|
2006-08-12 13:56:24 +02:00
|
|
|
|
2003-11-06 00:24:48 +01:00
|
|
|
IRC_SetPenalty( target, 2 );
|
2002-02-28 00:26:21 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
return CONNECTED;
|
|
|
|
}
|
|
|
|
else if( Client_Type( Client ) == CLIENT_SERVER )
|
|
|
|
{
|
2005-05-18 01:24:43 +02:00
|
|
|
/* Server introduces new client */
|
2002-02-28 00:26:21 +01:00
|
|
|
|
|
|
|
/* Falsche Anzahl Parameter? */
|
|
|
|
if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
|
|
|
|
|
|
|
|
/* Nick ueberpruefen */
|
2002-03-25 18:08:54 +01:00
|
|
|
c = Client_Search( Req->argv[0] );
|
2002-02-28 00:26:21 +01:00
|
|
|
if( c )
|
|
|
|
{
|
|
|
|
/* Der neue Nick ist auf diesem Server bereits registriert:
|
|
|
|
* sowohl der neue, als auch der alte Client muessen nun
|
|
|
|
* disconnectiert werden. */
|
|
|
|
Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
|
|
|
|
Kill_Nick( Req->argv[0], "Nick collision" );
|
|
|
|
return CONNECTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Server, zu dem der Client connectiert ist, suchen */
|
|
|
|
intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
|
|
|
|
if( ! intr_c )
|
|
|
|
{
|
|
|
|
Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
|
|
|
|
Kill_Nick( Req->argv[0], "Unknown server" );
|
|
|
|
return CONNECTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Neue Client-Struktur anlegen */
|
2005-03-19 19:43:48 +01:00
|
|
|
c = Client_NewRemoteUser( intr_c, Req->argv[0], atoi( Req->argv[1] ), Req->argv[2], Req->argv[3], atoi( Req->argv[4] ), Req->argv[5] + 1, Req->argv[6], true);
|
2002-02-28 00:26:21 +01:00
|
|
|
if( ! c )
|
|
|
|
{
|
|
|
|
/* Eine neue Client-Struktur konnte nicht angelegt werden.
|
|
|
|
* Der Client muss disconnectiert werden, damit der Netz-
|
|
|
|
* status konsistent bleibt. */
|
|
|
|
Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
|
|
|
|
Kill_Nick( Req->argv[0], "Server error" );
|
|
|
|
return CONNECTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
modes = Client_Modes( c );
|
|
|
|
if( *modes ) Log( LOG_DEBUG, "User \"%s\" (+%s) registered (via %s, on %s, %d hop%s).", Client_Mask( c ), modes, Client_ID( Client ), Client_ID( intr_c ), Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" );
|
|
|
|
else Log( LOG_DEBUG, "User \"%s\" registered (via %s, on %s, %d hop%s).", Client_Mask( c ), Client_ID( Client ), Client_ID( intr_c ), Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" );
|
|
|
|
|
|
|
|
/* Andere Server, ausser dem Introducer, informieren */
|
|
|
|
IRC_WriteStrServersPrefix( Client, Client, "NICK %s %d %s %s %d %s :%s", Req->argv[0], atoi( Req->argv[1] ) + 1, Req->argv[2], Req->argv[3], Client_MyToken( intr_c ), Req->argv[5], Req->argv[6] );
|
|
|
|
|
|
|
|
return CONNECTED;
|
|
|
|
}
|
|
|
|
else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
|
|
|
|
} /* IRC_NICK */
|
|
|
|
|
|
|
|
|
2005-03-19 19:43:48 +01:00
|
|
|
GLOBAL bool
|
2002-05-27 15:09:26 +02:00
|
|
|
IRC_USER( CLIENT *Client, REQUEST *Req )
|
2002-02-28 00:26:21 +01:00
|
|
|
{
|
2003-12-27 14:01:12 +01:00
|
|
|
#ifdef IDENTAUTH
|
2005-03-19 19:43:48 +01:00
|
|
|
char *ptr;
|
2003-12-27 14:01:12 +01:00
|
|
|
#endif
|
|
|
|
|
2002-02-28 00:26:21 +01:00
|
|
|
assert( Client != NULL );
|
|
|
|
assert( Req != NULL );
|
|
|
|
|
|
|
|
#ifndef STRICT_RFC
|
|
|
|
if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
|
|
|
|
#else
|
|
|
|
if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
|
|
|
|
#endif
|
|
|
|
{
|
2004-02-04 20:56:04 +01:00
|
|
|
/* Wrong number of parameters? */
|
2002-02-28 00:26:21 +01:00
|
|
|
if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
|
|
|
|
|
2004-02-04 20:56:04 +01:00
|
|
|
/* User name */
|
2003-12-27 14:01:12 +01:00
|
|
|
#ifdef IDENTAUTH
|
|
|
|
ptr = Client_User( Client );
|
2005-03-19 19:43:48 +01:00
|
|
|
if( ! ptr || ! *ptr || *ptr == '~' ) Client_SetUser( Client, Req->argv[0], false );
|
2004-02-04 20:56:04 +01:00
|
|
|
#else
|
2005-03-19 19:43:48 +01:00
|
|
|
Client_SetUser( Client, Req->argv[0], false );
|
2004-02-04 20:56:04 +01:00
|
|
|
#endif
|
|
|
|
|
|
|
|
/* "Real name" or user info text: Don't set it to the empty string, the original ircd
|
|
|
|
* can't deal with such "real names" (e. g. "USER user * * :") ... */
|
|
|
|
if( *Req->argv[3] ) Client_SetInfo( Client, Req->argv[3] );
|
|
|
|
else Client_SetInfo( Client, "-" );
|
2002-02-28 00:26:21 +01:00
|
|
|
|
|
|
|
Log( LOG_DEBUG, "Connection %d: got valid USER command ...", Client_Conn( Client ));
|
|
|
|
if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
|
|
|
|
else Client_SetType( Client, CLIENT_GOTUSER );
|
|
|
|
return CONNECTED;
|
|
|
|
}
|
|
|
|
else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
|
|
|
|
{
|
|
|
|
return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
|
|
|
|
}
|
|
|
|
else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
|
|
|
|
} /* IRC_USER */
|
|
|
|
|
|
|
|
|
2005-03-19 19:43:48 +01:00
|
|
|
GLOBAL bool
|
2002-05-27 15:09:26 +02:00
|
|
|
IRC_QUIT( CLIENT *Client, REQUEST *Req )
|
2002-02-28 00:26:21 +01:00
|
|
|
{
|
|
|
|
CLIENT *target;
|
2005-06-04 14:32:09 +02:00
|
|
|
char quitmsg[LINE_LEN];
|
2002-02-28 00:26:21 +01:00
|
|
|
|
|
|
|
assert( Client != NULL );
|
|
|
|
assert( Req != NULL );
|
2005-06-04 14:32:09 +02:00
|
|
|
|
|
|
|
/* Wrong number of arguments? */
|
|
|
|
if( Req->argc > 1 )
|
|
|
|
return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
|
|
|
|
|
|
|
|
if (Req->argc == 1)
|
|
|
|
strlcpy(quitmsg, Req->argv[0], sizeof quitmsg);
|
2002-02-28 00:26:21 +01:00
|
|
|
|
2002-04-14 16:02:35 +02:00
|
|
|
if ( Client_Type( Client ) == CLIENT_SERVER )
|
2002-02-28 00:26:21 +01:00
|
|
|
{
|
|
|
|
/* Server */
|
|
|
|
target = Client_Search( Req->prefix );
|
|
|
|
if( ! target )
|
|
|
|
{
|
2002-03-11 18:33:40 +01:00
|
|
|
/* Den Client kennen wir nicht (mehr), also nichts zu tun. */
|
2002-03-11 23:06:32 +01:00
|
|
|
Log( LOG_WARNING, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
|
2002-02-28 00:26:21 +01:00
|
|
|
return CONNECTED;
|
|
|
|
}
|
|
|
|
|
2005-06-04 14:32:09 +02:00
|
|
|
Client_Destroy( target, "Got QUIT command.", Req->argc == 1 ? quitmsg : NULL, true);
|
2002-02-28 00:26:21 +01:00
|
|
|
|
|
|
|
return CONNECTED;
|
|
|
|
}
|
2002-04-14 16:02:35 +02:00
|
|
|
else
|
|
|
|
{
|
2005-06-04 14:32:09 +02:00
|
|
|
if (Req->argc == 1 && quitmsg[0] != '\"') {
|
|
|
|
/* " " to avoid confusion */
|
|
|
|
strlcpy(quitmsg, "\"", sizeof quitmsg);
|
|
|
|
strlcat(quitmsg, Req->argv[0], sizeof quitmsg-1);
|
|
|
|
strlcat(quitmsg, "\"", sizeof quitmsg );
|
|
|
|
}
|
2002-04-14 16:02:35 +02:00
|
|
|
|
2005-06-04 14:32:09 +02:00
|
|
|
/* User, Service, oder noch nicht registriert */
|
|
|
|
Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argc == 1 ? quitmsg : NULL, true);
|
2002-04-14 16:02:35 +02:00
|
|
|
|
|
|
|
return DISCONNECTED;
|
|
|
|
}
|
2002-02-28 00:26:21 +01:00
|
|
|
} /* IRC_QUIT */
|
|
|
|
|
|
|
|
|
2005-03-19 19:43:48 +01:00
|
|
|
GLOBAL bool
|
2005-08-28 13:40:13 +02:00
|
|
|
IRC_PING(CLIENT *Client, REQUEST *Req)
|
2002-02-28 00:26:21 +01:00
|
|
|
{
|
|
|
|
CLIENT *target, *from;
|
|
|
|
|
2005-08-28 13:40:13 +02:00
|
|
|
assert(Client != NULL);
|
|
|
|
assert(Req != NULL);
|
2002-02-28 00:26:21 +01:00
|
|
|
|
2005-08-28 13:40:13 +02:00
|
|
|
/* Wrong number of arguments? */
|
|
|
|
if (Req->argc < 1)
|
|
|
|
return IRC_WriteStrClient(Client, ERR_NOORIGIN_MSG,
|
|
|
|
Client_ID(Client));
|
2002-03-10 23:40:22 +01:00
|
|
|
#ifdef STRICT_RFC
|
2005-08-28 13:40:13 +02:00
|
|
|
/* Don't ignore additional arguments when in "strict" mode */
|
|
|
|
if (Req->argc > 2)
|
|
|
|
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
|
|
|
|
Client_ID(Client), Req->command);
|
2002-03-10 23:40:22 +01:00
|
|
|
#endif
|
2002-02-28 00:26:21 +01:00
|
|
|
|
2005-08-28 13:40:13 +02:00
|
|
|
if (Req->argc > 1) {
|
|
|
|
/* A target has been specified ... */
|
|
|
|
target = Client_Search(Req->argv[1]);
|
|
|
|
|
|
|
|
if (!target || Client_Type(target) != CLIENT_SERVER)
|
|
|
|
return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG,
|
|
|
|
Client_ID(Client), Req->argv[1]);
|
|
|
|
|
|
|
|
if (target != Client_ThisServer()) {
|
|
|
|
/* Ok, we have to forward the PING */
|
|
|
|
if (Client_Type(Client) == CLIENT_SERVER)
|
|
|
|
from = Client_Search(Req->prefix);
|
2005-08-27 20:39:56 +02:00
|
|
|
else
|
|
|
|
from = Client;
|
|
|
|
if (!from)
|
2005-08-28 13:40:13 +02:00
|
|
|
return IRC_WriteStrClient(Client,
|
|
|
|
ERR_NOSUCHSERVER_MSG,
|
|
|
|
Client_ID(Client), Req->prefix);
|
|
|
|
|
2005-08-27 20:39:56 +02:00
|
|
|
return IRC_WriteStrClientPrefix(target, from,
|
2005-08-28 13:40:13 +02:00
|
|
|
"PING %s :%s", Req->argv[0],
|
|
|
|
Req->argv[1] );
|
2002-02-28 00:26:21 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2005-08-28 13:40:13 +02:00
|
|
|
if (Client_Type(Client) == CLIENT_SERVER) {
|
|
|
|
if (Req->prefix)
|
|
|
|
from = Client_Search(Req->prefix);
|
|
|
|
else
|
|
|
|
from = Client;
|
|
|
|
} else
|
|
|
|
from = Client_ThisServer();
|
|
|
|
if (!from)
|
|
|
|
return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG,
|
|
|
|
Client_ID(Client), Req->prefix);
|
|
|
|
|
|
|
|
Log(LOG_DEBUG, "Connection %d: got PING, sending PONG ...",
|
|
|
|
Client_Conn(Client));
|
|
|
|
|
2005-08-27 20:39:56 +02:00
|
|
|
#ifdef STRICT_RFC
|
2005-08-28 13:40:13 +02:00
|
|
|
return IRC_WriteStrClient(Client, "PONG %s :%s",
|
|
|
|
Client_ID(from), Client_ID(Client));
|
2005-08-27 20:39:56 +02:00
|
|
|
#else
|
2005-08-28 13:40:13 +02:00
|
|
|
/* Some clients depend on the argument being returned in the PONG
|
|
|
|
* reply (not mentioned in any RFC, though) */
|
|
|
|
return IRC_WriteStrClient(Client, "PONG %s :%s",
|
|
|
|
Client_ID(from), Req->argv[0]);
|
|
|
|
#endif
|
2002-02-28 00:26:21 +01:00
|
|
|
} /* IRC_PING */
|
|
|
|
|
|
|
|
|
2005-03-19 19:43:48 +01:00
|
|
|
GLOBAL bool
|
2005-08-28 13:40:13 +02:00
|
|
|
IRC_PONG(CLIENT *Client, REQUEST *Req)
|
2002-02-28 00:26:21 +01:00
|
|
|
{
|
|
|
|
CLIENT *target, *from;
|
2005-08-28 13:40:13 +02:00
|
|
|
char *s;
|
2002-02-28 00:26:21 +01:00
|
|
|
|
2005-08-28 13:40:13 +02:00
|
|
|
assert(Client != NULL);
|
|
|
|
assert(Req != NULL);
|
2002-02-28 00:26:21 +01:00
|
|
|
|
2005-08-28 13:40:13 +02:00
|
|
|
/* Wrong number of arguments? */
|
|
|
|
if (Req->argc < 1)
|
|
|
|
return IRC_WriteStrClient(Client, ERR_NOORIGIN_MSG,
|
|
|
|
Client_ID(Client));
|
|
|
|
if (Req->argc > 2)
|
|
|
|
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
|
|
|
|
Client_ID(Client), Req->command);
|
|
|
|
|
|
|
|
/* Forward? */
|
|
|
|
if (Req->argc == 2 && Client_Type(Client) == CLIENT_SERVER) {
|
|
|
|
target = Client_Search(Req->argv[0]);
|
|
|
|
if (!target)
|
|
|
|
return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG,
|
|
|
|
Client_ID(Client), Req->argv[0]);
|
|
|
|
|
2005-09-01 12:51:24 +02:00
|
|
|
from = Client_Search(Req->prefix);
|
|
|
|
|
|
|
|
if (target != Client_ThisServer() && target != from) {
|
2005-08-28 13:40:13 +02:00
|
|
|
/* Ok, we have to forward the message. */
|
|
|
|
if (!from)
|
|
|
|
return IRC_WriteStrClient(Client,
|
|
|
|
ERR_NOSUCHSERVER_MSG,
|
|
|
|
Client_ID(Client), Req->prefix);
|
2002-02-28 00:26:21 +01:00
|
|
|
|
2005-08-28 13:40:13 +02:00
|
|
|
if (Client_Type(Client_NextHop(target)) != CLIENT_SERVER)
|
|
|
|
s = Client_ID(from);
|
|
|
|
else
|
|
|
|
s = Req->argv[0];
|
|
|
|
return IRC_WriteStrClientPrefix(target, from,
|
|
|
|
"PONG %s :%s", s, Req->argv[1]);
|
2002-02-28 00:26:21 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2005-08-28 13:40:13 +02:00
|
|
|
/* The connection timestamp has already been updated when the data has
|
|
|
|
* been read from so socket, so we don't need to update it here. */
|
2002-02-28 00:26:21 +01:00
|
|
|
|
2005-08-28 13:40:13 +02:00
|
|
|
if (Client_Conn(Client) > NONE)
|
|
|
|
Log(LOG_DEBUG,
|
|
|
|
"Connection %d: received PONG. Lag: %ld seconds.",
|
|
|
|
Client_Conn(Client),
|
|
|
|
time(NULL) - Conn_LastPing(Client_Conn(Client)));
|
|
|
|
else
|
|
|
|
Log(LOG_DEBUG,
|
|
|
|
"Connection %d: received PONG.", Client_Conn(Client));
|
2002-02-28 00:26:21 +01:00
|
|
|
|
|
|
|
return CONNECTED;
|
|
|
|
} /* IRC_PONG */
|
|
|
|
|
|
|
|
|
2005-07-31 22:13:07 +02:00
|
|
|
static bool
|
2002-05-27 15:09:26 +02:00
|
|
|
Hello_User( CLIENT *Client )
|
2002-02-28 00:26:21 +01:00
|
|
|
{
|
2003-12-04 15:05:16 +01:00
|
|
|
#ifdef CVSDATE
|
2005-03-19 19:43:48 +01:00
|
|
|
char ver[12], vertxt[30];
|
2003-12-04 15:05:16 +01:00
|
|
|
#endif
|
|
|
|
|
2002-02-28 00:26:21 +01:00
|
|
|
assert( Client != NULL );
|
|
|
|
|
2003-12-04 15:05:16 +01:00
|
|
|
/* Check password ... */
|
2002-02-28 00:26:21 +01:00
|
|
|
if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
|
|
|
|
{
|
2003-12-04 15:05:16 +01:00
|
|
|
/* Bad password! */
|
2002-02-28 00:26:21 +01:00
|
|
|
Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
|
2005-03-19 19:43:48 +01:00
|
|
|
Conn_Close( Client_Conn( Client ), NULL, "Bad password", true);
|
2002-02-28 00:26:21 +01:00
|
|
|
return DISCONNECTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
|
|
|
|
|
2003-12-04 15:05:16 +01:00
|
|
|
/* Inform other servers */
|
2002-02-28 00:26:21 +01:00
|
|
|
IRC_WriteStrServers( NULL, "NICK %s 1 %s %s 1 +%s :%s", Client_ID( Client ), Client_User( Client ), Client_Hostname( Client ), Client_Modes( Client ), Client_Info( Client ));
|
|
|
|
|
2003-12-04 15:05:16 +01:00
|
|
|
/* Welcome :-) */
|
2005-03-19 19:43:48 +01:00
|
|
|
if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return false;
|
2003-12-04 15:05:16 +01:00
|
|
|
|
|
|
|
/* Version and system type */
|
|
|
|
#ifdef CVSDATE
|
2005-03-21 23:22:09 +01:00
|
|
|
strlcpy( ver, CVSDATE, sizeof( ver ));
|
2008-02-05 12:46:55 +01:00
|
|
|
memmove( ver + 4, ver + 5, 2 );
|
|
|
|
memmove( ver + 6, ver + 8, 3 );
|
2003-12-04 15:05:16 +01:00
|
|
|
snprintf( vertxt, sizeof( vertxt ), "%s(%s)", PACKAGE_VERSION, ver );
|
2005-03-19 19:43:48 +01:00
|
|
|
if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )), vertxt, TARGET_CPU, TARGET_VENDOR, TARGET_OS )) return false;
|
2003-12-04 15:05:16 +01:00
|
|
|
#else
|
2005-03-19 19:43:48 +01:00
|
|
|
if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )), PACKAGE_VERSION, TARGET_CPU, TARGET_VENDOR, TARGET_OS )) return false;
|
2003-12-04 15:05:16 +01:00
|
|
|
#endif
|
|
|
|
|
2005-03-19 19:43:48 +01:00
|
|
|
if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return false;
|
2003-12-04 15:05:16 +01:00
|
|
|
#ifdef CVSDATE
|
2005-03-19 19:43:48 +01:00
|
|
|
if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )), vertxt, USERMODES, CHANMODES )) return false;
|
2003-12-04 15:05:16 +01:00
|
|
|
#else
|
2005-03-19 19:43:48 +01:00
|
|
|
if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )), PACKAGE_VERSION, USERMODES, CHANMODES )) return false;
|
2003-12-04 15:05:16 +01:00
|
|
|
#endif
|
2002-02-28 00:26:21 +01:00
|
|
|
|
2006-10-01 21:03:05 +02:00
|
|
|
/* Features supported by this server (005 numeric, ISUPPORT),
|
|
|
|
* see <http://www.irc.org/tech_docs/005.html> for details. */
|
2007-11-21 13:16:33 +01:00
|
|
|
if (! IRC_Send_ISUPPORT(Client))
|
2006-10-01 21:03:05 +02:00
|
|
|
return DISCONNECTED;
|
2002-12-23 00:31:21 +01:00
|
|
|
|
2002-02-28 00:26:21 +01:00
|
|
|
Client_SetType( Client, CLIENT_USER );
|
|
|
|
|
|
|
|
if( ! IRC_Send_LUSERS( Client )) return DISCONNECTED;
|
|
|
|
if( ! IRC_Show_MOTD( Client )) return DISCONNECTED;
|
|
|
|
|
2003-11-06 00:24:48 +01:00
|
|
|
/* Suspend the client for a second ... */
|
|
|
|
IRC_SetPenalty( Client, 1 );
|
|
|
|
|
2002-02-28 00:26:21 +01:00
|
|
|
return CONNECTED;
|
|
|
|
} /* Hello_User */
|
|
|
|
|
|
|
|
|
2005-07-31 22:13:07 +02:00
|
|
|
static void
|
2005-03-19 19:43:48 +01:00
|
|
|
Kill_Nick( char *Nick, char *Reason )
|
2002-02-28 00:26:21 +01:00
|
|
|
{
|
2003-01-08 23:28:12 +01:00
|
|
|
REQUEST r;
|
2002-02-28 00:26:21 +01:00
|
|
|
|
|
|
|
assert( Nick != NULL );
|
|
|
|
assert( Reason != NULL );
|
|
|
|
|
2005-03-19 19:43:48 +01:00
|
|
|
r.prefix = (char *)Client_ThisServer( );
|
2003-01-08 23:28:12 +01:00
|
|
|
r.argv[0] = Nick;
|
|
|
|
r.argv[1] = Reason;
|
|
|
|
r.argc = 2;
|
2002-02-28 00:26:21 +01:00
|
|
|
|
2003-01-08 23:28:12 +01:00
|
|
|
Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected: %s", Nick, Reason );
|
|
|
|
IRC_KILL( Client_ThisServer( ), &r );
|
2002-02-28 00:26:21 +01:00
|
|
|
} /* Kill_Nick */
|
|
|
|
|
|
|
|
|
|
|
|
/* -eof- */
|