solanum-vs-hackint-and-char.../modules/m_connect.c

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/*
* ircd-ratbox: A slightly useful ircd.
* m_connect.c: Connects to a remote IRC server.
*
* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
* Copyright (C) 1996-2002 Hybrid Development Team
* Copyright (C) 2002-2005 ircd-ratbox development team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include "stdinc.h"
#include "client.h"
#include "ircd.h"
#include "match.h"
#include "numeric.h"
#include "s_conf.h"
#include "s_newconf.h"
#include "logger.h"
#include "s_serv.h"
#include "send.h"
#include "msg.h"
#include "parse.h"
#include "hash.h"
#include "modules.h"
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#include "sslproc.h"
static const char connect_desc[] =
"Provides the CONNECT command to introduce servers to the network";
static void mo_connect(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
static void ms_connect(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
struct Message connect_msgtab = {
"CONNECT", 0, 0, 0, 0,
{mg_unreg, mg_not_oper, {ms_connect, 4}, {ms_connect, 4}, mg_ignore, {mo_connect, 2}}
};
mapi_clist_av1 connect_clist[] = { &connect_msgtab, NULL };
DECLARE_MODULE_AV2(connect, NULL, NULL, connect_clist, NULL, NULL, NULL, NULL, connect_desc);
/*
* mo_connect - CONNECT command handler
*
* Added by Jto 11 Feb 1989
*
* m_connect
* parv[1] = servername
* parv[2] = port number
* parv[3] = remote server
*/
static void
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mo_connect(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
int port;
int tmpport;
struct server_conf *server_p;
struct Client *target_p;
/* always privileged with handlers */
if(MyConnect(source_p) && !IsOperRemote(source_p) && parc > 3)
{
sendto_one(source_p, form_str(ERR_NOPRIVS),
me.name, source_p->name, "remote");
return;
}
if(hunt_server(client_p, source_p, ":%s CONNECT %s %s :%s", 3, parc, parv) != HUNTED_ISME)
return;
if((target_p = find_server(source_p, parv[1])))
{
sendto_one_notice(source_p, ":Connect: Server %s already exists from %s.", parv[1],
[svn] Backport from early 3.x: -- nenolod 2006/09/27 16:39:14 UTC (20060927-2178) Log: - remove "Processing connection to foobar.net" message Changes: Modified: +0 -3 trunk/src/s_auth.c (File Modified) nenolod 2006/09/27 16:34:26 UTC (20060927-2176) Log: - missed the processing connection one (actually, we can probably nuke this one) Changes: Modified: +1 -2 trunk/src/s_auth.c (File Modified) river 2006/09/27 16:33:05 UTC (20060927-2174) Log: get_client_name = stupid Changes: Modified: +10 -7 trunk/modules/core/m_kill.c (File Modified) nenolod 2006/09/27 16:32:37 UTC (20060927-2172) Log: - remove excessive arguments Changes: Modified: +1 -2 trunk/src/s_conf.c (File Modified) +1 -1 trunk/src/s_user.c (File Modified) nenolod 2006/09/27 16:30:59 UTC (20060927-2170) Log: - use sendto_one_notice() for on-connect notices too. Changes: Modified: +10 -10 trunk/src/s_auth.c (File Modified) nenolod 2006/09/27 16:27:01 UTC (20060927-2168) Log: - use sendto_one_notice() in the core, too. Changes: Modified: +2 -2 trunk/src/chmode.c (File Modified) +8 -15 trunk/src/modules.c (File Modified) +3 -5 trunk/src/s_conf.c (File Modified) +1 -2 trunk/src/s_newconf.c (File Modified) +20 -57 trunk/src/s_user.c (File Modified) river 2006/09/27 16:19:25 UTC (20060927-2166) Log: the KILL command will use get_client_name(, SHOW_IP) instead of target->name, and will show a more useful error for local opers Changes: Modified: +6 -4 trunk/modules/core/m_kill.c (File Modified) nenolod 2006/09/27 16:09:48 UTC (20060927-2164) Log: - fix bugs in sendto_one_notice()/sendto_one_numeric() where a client identifier won't be sent to unregistered clients Changes: Modified: +4 -2 trunk/src/send.c (File Modified) nenolod 2006/09/27 16:05:46 UTC (20060927-2161) Log: - back out r2159 Changes: Modified: +1 -1 trunk/include/client.h (File Modified) nenolod 2006/09/27 16:04:05 UTC (20060927-2159) Log: - get_id(): fall back to "*" if client has no known name Changes: Modified: +1 -1 trunk/include/client.h (File Modified) nenolod 2006/09/27 16:01:29 UTC (20060927-2157) Log: - convert to sendto_one_notice(). Changes: Modified: +2 -3 trunk/unsupported/m_clearchan.c (File Modified) +4 -6 trunk/unsupported/m_force.c (File Modified) nenolod 2006/09/27 15:57:11 UTC (20060927-2155) Log: - use sendto_one_notice() in many places instead of sendto_one(source_p, ":%s NOTICE %s :", ...); Changes: Modified: +10 -25 trunk/extensions/example_module.c (File Modified) +5 -14 trunk/extensions/hurt.c (File Modified) +1 -2 trunk/extensions/m_42.c (File Modified) +7 -12 trunk/extensions/m_mkpasswd.c (File Modified) +1 -2 trunk/extensions/m_ojoin.c (File Modified) +1 -2 trunk/extensions/m_opme.c (File Modified) +3 -3 trunk/extensions/spy_whois_notice.c (File Modified) +3 -3 trunk/extensions/spy_whois_notice_global.c (File Modified) +3 -7 trunk/modules/core/m_die.c (File Modified) +2 -4 trunk/modules/core/m_kill.c (File Modified) +2 -2 trunk/modules/core/m_squit.c (File Modified) +1 -2 trunk/modules/m_challenge.c (File Modified) +11 -15 trunk/modules/m_connect.c (File Modified) +20 -28 trunk/modules/m_dline.c (File Modified) +2 -2 trunk/modules/m_etrace.c (File Modified) +11 -21 trunk/modules/m_gline.c (File Modified) +2 -4 trunk/modules/m_kline.c (File Modified) +1 -2 trunk/modules/m_rehash.c (File Modified) +3 -7 trunk/modules/m_restart.c (File Modified) +31 -45 trunk/modules/m_set.c (File Modified) +2 -4 trunk/modules/m_testmask.c (File Modified) +5 -8 trunk/modules/m_unreject.c (File Modified) +2 -5 trunk/modules/m_xline.c (File Modified) --
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target_p->from->name);
return;
}
/*
* try to find the name, then host, if both fail notify ops and bail
*/
if((server_p = find_server_conf(parv[1])) == NULL)
{
[svn] Backport from early 3.x: -- nenolod 2006/09/27 16:39:14 UTC (20060927-2178) Log: - remove "Processing connection to foobar.net" message Changes: Modified: +0 -3 trunk/src/s_auth.c (File Modified) nenolod 2006/09/27 16:34:26 UTC (20060927-2176) Log: - missed the processing connection one (actually, we can probably nuke this one) Changes: Modified: +1 -2 trunk/src/s_auth.c (File Modified) river 2006/09/27 16:33:05 UTC (20060927-2174) Log: get_client_name = stupid Changes: Modified: +10 -7 trunk/modules/core/m_kill.c (File Modified) nenolod 2006/09/27 16:32:37 UTC (20060927-2172) Log: - remove excessive arguments Changes: Modified: +1 -2 trunk/src/s_conf.c (File Modified) +1 -1 trunk/src/s_user.c (File Modified) nenolod 2006/09/27 16:30:59 UTC (20060927-2170) Log: - use sendto_one_notice() for on-connect notices too. Changes: Modified: +10 -10 trunk/src/s_auth.c (File Modified) nenolod 2006/09/27 16:27:01 UTC (20060927-2168) Log: - use sendto_one_notice() in the core, too. Changes: Modified: +2 -2 trunk/src/chmode.c (File Modified) +8 -15 trunk/src/modules.c (File Modified) +3 -5 trunk/src/s_conf.c (File Modified) +1 -2 trunk/src/s_newconf.c (File Modified) +20 -57 trunk/src/s_user.c (File Modified) river 2006/09/27 16:19:25 UTC (20060927-2166) Log: the KILL command will use get_client_name(, SHOW_IP) instead of target->name, and will show a more useful error for local opers Changes: Modified: +6 -4 trunk/modules/core/m_kill.c (File Modified) nenolod 2006/09/27 16:09:48 UTC (20060927-2164) Log: - fix bugs in sendto_one_notice()/sendto_one_numeric() where a client identifier won't be sent to unregistered clients Changes: Modified: +4 -2 trunk/src/send.c (File Modified) nenolod 2006/09/27 16:05:46 UTC (20060927-2161) Log: - back out r2159 Changes: Modified: +1 -1 trunk/include/client.h (File Modified) nenolod 2006/09/27 16:04:05 UTC (20060927-2159) Log: - get_id(): fall back to "*" if client has no known name Changes: Modified: +1 -1 trunk/include/client.h (File Modified) nenolod 2006/09/27 16:01:29 UTC (20060927-2157) Log: - convert to sendto_one_notice(). Changes: Modified: +2 -3 trunk/unsupported/m_clearchan.c (File Modified) +4 -6 trunk/unsupported/m_force.c (File Modified) nenolod 2006/09/27 15:57:11 UTC (20060927-2155) Log: - use sendto_one_notice() in many places instead of sendto_one(source_p, ":%s NOTICE %s :", ...); Changes: Modified: +10 -25 trunk/extensions/example_module.c (File Modified) +5 -14 trunk/extensions/hurt.c (File Modified) +1 -2 trunk/extensions/m_42.c (File Modified) +7 -12 trunk/extensions/m_mkpasswd.c (File Modified) +1 -2 trunk/extensions/m_ojoin.c (File Modified) +1 -2 trunk/extensions/m_opme.c (File Modified) +3 -3 trunk/extensions/spy_whois_notice.c (File Modified) +3 -3 trunk/extensions/spy_whois_notice_global.c (File Modified) +3 -7 trunk/modules/core/m_die.c (File Modified) +2 -4 trunk/modules/core/m_kill.c (File Modified) +2 -2 trunk/modules/core/m_squit.c (File Modified) +1 -2 trunk/modules/m_challenge.c (File Modified) +11 -15 trunk/modules/m_connect.c (File Modified) +20 -28 trunk/modules/m_dline.c (File Modified) +2 -2 trunk/modules/m_etrace.c (File Modified) +11 -21 trunk/modules/m_gline.c (File Modified) +2 -4 trunk/modules/m_kline.c (File Modified) +1 -2 trunk/modules/m_rehash.c (File Modified) +3 -7 trunk/modules/m_restart.c (File Modified) +31 -45 trunk/modules/m_set.c (File Modified) +2 -4 trunk/modules/m_testmask.c (File Modified) +5 -8 trunk/modules/m_unreject.c (File Modified) +2 -5 trunk/modules/m_xline.c (File Modified) --
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sendto_one_notice(source_p, ":Connect: Host %s not listed in ircd.conf", parv[1]);
return;
}
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if(ServerConfSSL(server_p) && (!ssl_ok || !get_ssld_count()))
{
sendto_one_notice(source_p,
":Connect: Server %s is set to use SSL/TLS but SSL/TLS is not configured.",
parv[1]);
return;
}
/*
* Get port number from user, if given. If not specified,
* use the default form configuration structure. If missing
* from there, then use the precompiled default.
*/
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port = 0;
if(parc > 2 && !EmptyString(parv[2]))
port = atoi(parv[2]);
if(port == 0 && server_p->port)
port = server_p->port;
else if(port <= 0)
{
sendto_one_notice(source_p, ":Connect: illegal port number");
return;
}
/*
* Notify all operators about remote connect requests
*/
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ilog(L_SERVER, "CONNECT From %s : %s %s", source_p->name, parv[1], parc > 2 ? parv[2] : "");
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tmpport = server_p->port;
server_p->port = port;
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/*
* at this point we should be calling connect_server with a valid
* C:line and a valid port in the C:line
*/
if(serv_connect(server_p, source_p))
{
[svn] Backport from early 3.x: -- nenolod 2006/09/27 16:39:14 UTC (20060927-2178) Log: - remove "Processing connection to foobar.net" message Changes: Modified: +0 -3 trunk/src/s_auth.c (File Modified) nenolod 2006/09/27 16:34:26 UTC (20060927-2176) Log: - missed the processing connection one (actually, we can probably nuke this one) Changes: Modified: +1 -2 trunk/src/s_auth.c (File Modified) river 2006/09/27 16:33:05 UTC (20060927-2174) Log: get_client_name = stupid Changes: Modified: +10 -7 trunk/modules/core/m_kill.c (File Modified) nenolod 2006/09/27 16:32:37 UTC (20060927-2172) Log: - remove excessive arguments Changes: Modified: +1 -2 trunk/src/s_conf.c (File Modified) +1 -1 trunk/src/s_user.c (File Modified) nenolod 2006/09/27 16:30:59 UTC (20060927-2170) Log: - use sendto_one_notice() for on-connect notices too. Changes: Modified: +10 -10 trunk/src/s_auth.c (File Modified) nenolod 2006/09/27 16:27:01 UTC (20060927-2168) Log: - use sendto_one_notice() in the core, too. Changes: Modified: +2 -2 trunk/src/chmode.c (File Modified) +8 -15 trunk/src/modules.c (File Modified) +3 -5 trunk/src/s_conf.c (File Modified) +1 -2 trunk/src/s_newconf.c (File Modified) +20 -57 trunk/src/s_user.c (File Modified) river 2006/09/27 16:19:25 UTC (20060927-2166) Log: the KILL command will use get_client_name(, SHOW_IP) instead of target->name, and will show a more useful error for local opers Changes: Modified: +6 -4 trunk/modules/core/m_kill.c (File Modified) nenolod 2006/09/27 16:09:48 UTC (20060927-2164) Log: - fix bugs in sendto_one_notice()/sendto_one_numeric() where a client identifier won't be sent to unregistered clients Changes: Modified: +4 -2 trunk/src/send.c (File Modified) nenolod 2006/09/27 16:05:46 UTC (20060927-2161) Log: - back out r2159 Changes: Modified: +1 -1 trunk/include/client.h (File Modified) nenolod 2006/09/27 16:04:05 UTC (20060927-2159) Log: - get_id(): fall back to "*" if client has no known name Changes: Modified: +1 -1 trunk/include/client.h (File Modified) nenolod 2006/09/27 16:01:29 UTC (20060927-2157) Log: - convert to sendto_one_notice(). Changes: Modified: +2 -3 trunk/unsupported/m_clearchan.c (File Modified) +4 -6 trunk/unsupported/m_force.c (File Modified) nenolod 2006/09/27 15:57:11 UTC (20060927-2155) Log: - use sendto_one_notice() in many places instead of sendto_one(source_p, ":%s NOTICE %s :", ...); Changes: Modified: +10 -25 trunk/extensions/example_module.c (File Modified) +5 -14 trunk/extensions/hurt.c (File Modified) +1 -2 trunk/extensions/m_42.c (File Modified) +7 -12 trunk/extensions/m_mkpasswd.c (File Modified) +1 -2 trunk/extensions/m_ojoin.c (File Modified) +1 -2 trunk/extensions/m_opme.c (File Modified) +3 -3 trunk/extensions/spy_whois_notice.c (File Modified) +3 -3 trunk/extensions/spy_whois_notice_global.c (File Modified) +3 -7 trunk/modules/core/m_die.c (File Modified) +2 -4 trunk/modules/core/m_kill.c (File Modified) +2 -2 trunk/modules/core/m_squit.c (File Modified) +1 -2 trunk/modules/m_challenge.c (File Modified) +11 -15 trunk/modules/m_connect.c (File Modified) +20 -28 trunk/modules/m_dline.c (File Modified) +2 -2 trunk/modules/m_etrace.c (File Modified) +11 -21 trunk/modules/m_gline.c (File Modified) +2 -4 trunk/modules/m_kline.c (File Modified) +1 -2 trunk/modules/m_rehash.c (File Modified) +3 -7 trunk/modules/m_restart.c (File Modified) +31 -45 trunk/modules/m_set.c (File Modified) +2 -4 trunk/modules/m_testmask.c (File Modified) +5 -8 trunk/modules/m_unreject.c (File Modified) +2 -5 trunk/modules/m_xline.c (File Modified) --
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sendto_one_notice(source_p, ":*** Connecting to %s.%d",
server_p->name, server_p->port);
}
else
{
[svn] Backport from early 3.x: -- nenolod 2006/09/27 16:39:14 UTC (20060927-2178) Log: - remove "Processing connection to foobar.net" message Changes: Modified: +0 -3 trunk/src/s_auth.c (File Modified) nenolod 2006/09/27 16:34:26 UTC (20060927-2176) Log: - missed the processing connection one (actually, we can probably nuke this one) Changes: Modified: +1 -2 trunk/src/s_auth.c (File Modified) river 2006/09/27 16:33:05 UTC (20060927-2174) Log: get_client_name = stupid Changes: Modified: +10 -7 trunk/modules/core/m_kill.c (File Modified) nenolod 2006/09/27 16:32:37 UTC (20060927-2172) Log: - remove excessive arguments Changes: Modified: +1 -2 trunk/src/s_conf.c (File Modified) +1 -1 trunk/src/s_user.c (File Modified) nenolod 2006/09/27 16:30:59 UTC (20060927-2170) Log: - use sendto_one_notice() for on-connect notices too. Changes: Modified: +10 -10 trunk/src/s_auth.c (File Modified) nenolod 2006/09/27 16:27:01 UTC (20060927-2168) Log: - use sendto_one_notice() in the core, too. Changes: Modified: +2 -2 trunk/src/chmode.c (File Modified) +8 -15 trunk/src/modules.c (File Modified) +3 -5 trunk/src/s_conf.c (File Modified) +1 -2 trunk/src/s_newconf.c (File Modified) +20 -57 trunk/src/s_user.c (File Modified) river 2006/09/27 16:19:25 UTC (20060927-2166) Log: the KILL command will use get_client_name(, SHOW_IP) instead of target->name, and will show a more useful error for local opers Changes: Modified: +6 -4 trunk/modules/core/m_kill.c (File Modified) nenolod 2006/09/27 16:09:48 UTC (20060927-2164) Log: - fix bugs in sendto_one_notice()/sendto_one_numeric() where a client identifier won't be sent to unregistered clients Changes: Modified: +4 -2 trunk/src/send.c (File Modified) nenolod 2006/09/27 16:05:46 UTC (20060927-2161) Log: - back out r2159 Changes: Modified: +1 -1 trunk/include/client.h (File Modified) nenolod 2006/09/27 16:04:05 UTC (20060927-2159) Log: - get_id(): fall back to "*" if client has no known name Changes: Modified: +1 -1 trunk/include/client.h (File Modified) nenolod 2006/09/27 16:01:29 UTC (20060927-2157) Log: - convert to sendto_one_notice(). Changes: Modified: +2 -3 trunk/unsupported/m_clearchan.c (File Modified) +4 -6 trunk/unsupported/m_force.c (File Modified) nenolod 2006/09/27 15:57:11 UTC (20060927-2155) Log: - use sendto_one_notice() in many places instead of sendto_one(source_p, ":%s NOTICE %s :", ...); Changes: Modified: +10 -25 trunk/extensions/example_module.c (File Modified) +5 -14 trunk/extensions/hurt.c (File Modified) +1 -2 trunk/extensions/m_42.c (File Modified) +7 -12 trunk/extensions/m_mkpasswd.c (File Modified) +1 -2 trunk/extensions/m_ojoin.c (File Modified) +1 -2 trunk/extensions/m_opme.c (File Modified) +3 -3 trunk/extensions/spy_whois_notice.c (File Modified) +3 -3 trunk/extensions/spy_whois_notice_global.c (File Modified) +3 -7 trunk/modules/core/m_die.c (File Modified) +2 -4 trunk/modules/core/m_kill.c (File Modified) +2 -2 trunk/modules/core/m_squit.c (File Modified) +1 -2 trunk/modules/m_challenge.c (File Modified) +11 -15 trunk/modules/m_connect.c (File Modified) +20 -28 trunk/modules/m_dline.c (File Modified) +2 -2 trunk/modules/m_etrace.c (File Modified) +11 -21 trunk/modules/m_gline.c (File Modified) +2 -4 trunk/modules/m_kline.c (File Modified) +1 -2 trunk/modules/m_rehash.c (File Modified) +3 -7 trunk/modules/m_restart.c (File Modified) +31 -45 trunk/modules/m_set.c (File Modified) +2 -4 trunk/modules/m_testmask.c (File Modified) +5 -8 trunk/modules/m_unreject.c (File Modified) +2 -5 trunk/modules/m_xline.c (File Modified) --
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sendto_one_notice(source_p, ":*** Couldn't connect to %s.%d",
server_p->name, server_p->port);
}
/*
* client is either connecting with all the data it needs or has been
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* destroyed, so reset it back to the configured settings
*/
server_p->port = tmpport;
}
/*
* ms_connect - CONNECT command handler
*
* Added by Jto 11 Feb 1989
*
* m_connect
* parv[1] = servername
* parv[2] = port number
* parv[3] = remote server
*/
static void
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ms_connect(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
int port;
int tmpport;
struct server_conf *server_p;
struct Client *target_p;
if(hunt_server(client_p, source_p, ":%s CONNECT %s %s :%s", 3, parc, parv) != HUNTED_ISME)
return;
if((target_p = find_server(NULL, parv[1])))
{
sendto_one_notice(source_p, ":Connect: Server %s already exists from %s.",
parv[1], target_p->from->name);
return;
}
/*
* try to find the name, then host, if both fail notify ops and bail
*/
if((server_p = find_server_conf(parv[1])) == NULL)
{
sendto_one_notice(source_p, ":Connect: Host %s not listed in ircd.conf",
parv[1]);
return;
}
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if(ServerConfSSL(server_p) && (!ssl_ok || !get_ssld_count()))
{
sendto_one_notice(source_p,
":Connect: Server %s is set to use SSL/TLS but SSL/TLS is not configured.",
parv[1]);
return;
}
/*
* Get port number from user, if given. If not specified,
* use the default form configuration structure. If missing
* from there, then use the precompiled default.
*/
tmpport = server_p->port;
port = atoi(parv[2]);
/* if someone sends port 0, and we have a config port.. use it */
if(port == 0 && server_p->port)
port = server_p->port;
else if(port <= 0)
{
sendto_one_notice(source_p, ":Connect: Illegal port number");
return;
}
/*
* Notify all operators about remote connect requests
*/
sendto_wallops_flags(UMODE_WALLOP, &me,
"Remote CONNECT %s %d from %s",
parv[1], port, source_p->name);
sendto_server(NULL, NULL, CAP_TS6, NOCAPS,
":%s WALLOPS :Remote CONNECT %s %d from %s",
me.id, parv[1], port, source_p->name);
ilog(L_SERVER, "CONNECT From %s : %s %d", source_p->name, parv[1], port);
server_p->port = port;
/*
* at this point we should be calling connect_server with a valid
* C:line and a valid port in the C:line
*/
if(serv_connect(server_p, source_p))
sendto_one_notice(source_p, ":*** Connecting to %s.%d",
server_p->name, server_p->port);
else
sendto_one_notice(source_p, ":*** Couldn't connect to %s.%d",
server_p->name, server_p->port);
/*
* client is either connecting with all the data it needs or has been
* destroyed
*/
server_p->port = tmpport;
}