296 lines
7.9 KiB
C
296 lines
7.9 KiB
C
/*
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* NeoIRCd: NeoStats Group. Based on Hybird7
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* m_connect.c: Connects to a remote IRC server.
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*
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* Copyright (C) 2002 by the past and present ircd coders, and others.
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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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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*
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* $Id: m_connect.c,v 1.3 2002/09/13 06:50:06 fishwaldo Exp $
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*/
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#include "stdinc.h"
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#include "handlers.h"
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#include "client.h"
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#include "ircd.h"
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#include "irc_string.h"
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#include "numeric.h"
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#include "fdlist.h"
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#include "s_bsd.h"
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#include "s_conf.h"
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#include "s_log.h"
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#include "s_serv.h"
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#include "send.h"
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#include "msg.h"
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#include "parse.h"
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#include "hash.h"
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#include "modules.h"
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static void mo_connect(struct Client*, struct Client*, int, char**);
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static void ms_connect(struct Client*, struct Client*, int, char**);
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struct Message connect_msgtab = {
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"CONNECT", 0, 0, 2, 0, MFLG_SLOW, 0,
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{m_unregistered, m_not_oper, ms_connect, mo_connect}
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};
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#ifndef STATIC_MODULES
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void
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_modinit(void)
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{
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mod_add_cmd(&connect_msgtab);
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}
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void
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_moddeinit(void)
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{
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mod_del_cmd(&connect_msgtab);
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}
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const char *_version = "$Revision: 1.3 $";
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#endif
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/*
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* mo_connect - CONNECT command handler
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*
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* Added by Jto 11 Feb 1989
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*
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* m_connect
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* parv[0] = sender prefix
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* parv[1] = servername
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* parv[2] = port number
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* parv[3] = remote server
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*/
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static void mo_connect(struct Client* client_p, struct Client* source_p,
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int parc, char* parv[])
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{
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int port;
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int tmpport;
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struct ConfItem* aconf;
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struct Client* target_p;
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/* always privileged with handlers */
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if (MyConnect(source_p) && !IsOperRemote(source_p) && parc > 3)
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{
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sendto_one(source_p,":%s NOTICE %s :You need remote = yes;", me.name, parv[0]);
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return;
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}
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if (hunt_server(client_p, source_p,
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":%s CONNECT %s %s :%s", 3, parc, parv) != HUNTED_ISME)
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{
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return;
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}
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if (*parv[1] == '\0')
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{
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sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
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me.name, parv[0], "CONNECT");
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return;
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}
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if ((target_p = find_server(parv[1])))
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{
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sendto_one(source_p, ":%s NOTICE %s :Connect: Server %s already exists from %s.",
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me.name, parv[0], parv[1],
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target_p->from->name);
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return;
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}
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/*
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* try to find the name, then host, if both fail notify ops and bail
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*/
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if (!(aconf = find_conf_by_name(parv[1], CONF_SERVER)))
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{
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if (!(aconf = find_conf_by_host(parv[1], CONF_SERVER)))
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{
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sendto_one(source_p,
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"NOTICE %s :Connect: Host %s not listed in ircd.conf",
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parv[0], parv[1]);
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return;
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}
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}
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assert(0 != aconf);
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/*
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* Get port number from user, if given. If not specified,
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* use the default form configuration structure. If missing
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* from there, then use the precompiled default.
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*/
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tmpport = port = aconf->port;
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if (parc > 2 && !EmptyString(parv[2]))
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{
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if ((port = atoi(parv[2])) <= 0)
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{
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sendto_one(source_p, "NOTICE %s :Connect: Illegal port number",
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parv[0]);
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return;
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}
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}
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else if (port <= 0 && (port = PORTNUM) <= 0)
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{
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sendto_one(source_p, ":%s NOTICE %s :Connect: missing port number",
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me.name, parv[0]);
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return;
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}
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/*
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* Notify all operators about remote connect requests
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*/
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ilog(L_TRACE, "CONNECT From %s : %s %s",
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parv[0], parv[1], parv[2] ? parv[2] : "");
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aconf->port = port;
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/*
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* at this point we should be calling connect_server with a valid
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* C:line and a valid port in the C:line
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*/
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if (serv_connect(aconf, source_p))
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{
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if (IsOperAdmin(source_p))
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sendto_one(source_p, ":%s NOTICE %s :*** Connecting to %s[%s].%d",
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me.name, parv[0], aconf->host, aconf->name, aconf->port);
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else
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sendto_one(source_p, ":%s NOTICE %s :*** Connecting to %s.%d",
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me.name, parv[0], aconf->name, aconf->port);
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}
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else
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{
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sendto_one(source_p, ":%s NOTICE %s :*** Couldn't connect to %s.%d",
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me.name, parv[0], aconf->name,aconf->port);
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}
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/*
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* client is either connecting with all the data it needs or has been
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* destroyed
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*/
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aconf->port = tmpport;
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}
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/*
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* ms_connect - CONNECT command handler
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*
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* Added by Jto 11 Feb 1989
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*
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* m_connect
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* parv[0] = sender prefix
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* parv[1] = servername
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* parv[2] = port number
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* parv[3] = remote server
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*/
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static void ms_connect(struct Client* client_p, struct Client* source_p,
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int parc, char* parv[])
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{
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int port;
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int tmpport;
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struct ConfItem* aconf;
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struct Client* target_p;
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if (hunt_server(client_p, source_p,
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":%s CONNECT %s %s :%s", 3, parc, parv) != HUNTED_ISME)
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{
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return;
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}
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if (*parv[1] == '\0')
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{
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sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
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me.name, parv[0], "CONNECT");
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return;
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}
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if ((target_p = find_server(parv[1])))
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{
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sendto_one(source_p, ":%s NOTICE %s :Connect: Server %s %s %s.",
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me.name, parv[0], parv[1], "already exists from",
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target_p->from->name);
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return;
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}
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/*
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* try to find the name, then host, if both fail notify ops and bail
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*/
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if (!(aconf = find_conf_by_name(parv[1], CONF_SERVER))) {
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if (!(aconf = find_conf_by_host(parv[1], CONF_SERVER))) {
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sendto_one(source_p,
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":%s NOTICE %s :Connect: Host %s not listed in ircd.conf",
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me.name, parv[0], parv[1]);
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return;
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}
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}
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assert(0 != aconf);
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/*
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* Get port number from user, if given. If not specified,
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* use the default form configuration structure. If missing
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* from there, then use the precompiled default.
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*/
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tmpport = port = aconf->port;
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if (parc > 2 && !EmptyString(parv[2]))
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{
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port = atoi(parv[2]);
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/* if someone sends port 0, and we have a config port.. use it */
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if(port == 0 && aconf->port)
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port = aconf->port;
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else if(port <= 0)
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{
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sendto_one(source_p, ":%s NOTICE %s :Connect: Illegal port number",
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me.name, parv[0]);
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return;
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}
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}
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else if (port <= 0 && (port = PORTNUM) <= 0)
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{
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sendto_one(source_p, ":%s NOTICE %s :Connect: missing port number",
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me.name, parv[0]);
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return;
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}
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/*
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* Notify all operators about remote connect requests
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*/
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sendto_wallops_flags(FLAGS_WALLOP, &me,
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"Remote CONNECT %s %d from %s",
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parv[1], port,
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get_client_name(source_p, MASK_IP));
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sendto_server(NULL, NULL, NULL, NOCAPS, NOCAPS, NOFLAGS,
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":%s WALLOPS :Remote CONNECT %s %d from %s",
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me.name, parv[1], port,
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get_client_name(source_p, MASK_IP));
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ilog(L_TRACE, "CONNECT From %s : %s %d",
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parv[0], parv[1], port);
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aconf->port = port;
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/*
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* at this point we should be calling connect_server with a valid
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* C:line and a valid port in the C:line
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*/
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if (serv_connect(aconf, source_p))
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sendto_one(source_p, ":%s NOTICE %s :*** Connecting to %s.%d",
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me.name, parv[0], aconf->name, aconf->port);
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else
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sendto_one(source_p, ":%s NOTICE %s :*** Couldn't connect to %s.%d",
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me.name, parv[0], aconf->name,aconf->port);
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/*
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* client is either connecting with all the data it needs or has been
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* destroyed
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*/
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aconf->port = tmpport;
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}
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