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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2007-2008 Craig Edwards <craigedwards@brainbox.cc>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
*
* This file is part of InspIRCd. InspIRCd 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, version 2.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "inspircd.h"
/* $ModDesc: Provides support for the RPL_REDIR numeric and the /JUMPSERVER command. */
/** Handle /JUMPSERVER
*/
class CommandJumpserver : public Command
{
public:
bool redirect_new_users;
std::string redirect_to;
std::string reason;
int port;
CommandJumpserver(Module* Creator) : Command(Creator, "JUMPSERVER", 0, 4)
{
flags_needed = 'o'; syntax = "[<server> <port> <+/-an> <reason>]";
port = 0;
redirect_new_users = false;
}
CmdResult Handle (const std::vector<std::string> ¶meters, User *user)
{
int n_done = 0;
reason = (parameters.size() < 4) ? "Please use this server/port instead" : parameters[3];
bool redirect_all_immediately = false;
redirect_new_users = true;
bool direction = true;
std::string n_done_s;
/* No parameters: jumpserver disabled */
if (!parameters.size())
{
if (port)
user->WriteServ("NOTICE %s :*** Disabled jumpserver (previously set to '%s:%d')", user->nick.c_str(), redirect_to.c_str(), port);
else
user->WriteServ("NOTICE %s :*** Jumpserver was not enabled.", user->nick.c_str());
port = 0;
redirect_to.clear();
return CMD_SUCCESS;
}
port = 0;
redirect_to.clear();
if (parameters.size() >= 3)
{
for (std::string::const_iterator n = parameters[2].begin(); n != parameters[2].end(); ++n)
{
switch (*n)
{
case '+':
direction = true;
break;
case '-':
direction = false;
break;
case 'a':
redirect_all_immediately = direction;
break;
case 'n':
redirect_new_users = direction;
break;
default:
user->WriteServ("NOTICE %s :*** Invalid JUMPSERVER flag: %c", user->nick.c_str(), *n);
return CMD_FAILURE;
break;
}
}
if (!atoi(parameters[1].c_str()))
{
user->WriteServ("NOTICE %s :*** Invalid port number", user->nick.c_str());
return CMD_FAILURE;
}
if (redirect_all_immediately)
{
/* Redirect everyone but the oper sending the command */
for (LocalUserList::const_iterator i = ServerInstance->Users->local_users.begin(); i != ServerInstance->Users->local_users.end(); ++i)
{
User* t = *i;
if (!IS_OPER(t))
{
t->WriteNumeric(10, "%s %s %s :Please use this Server/Port instead", t->nick.c_str(), parameters[0].c_str(), parameters[1].c_str());
ServerInstance->Users->QuitUser(t, reason);
n_done++;
}
}
if (n_done)
{
n_done_s = ConvToStr(n_done);
}
}
if (redirect_new_users)
{
redirect_to = parameters[0];
port = atoi(parameters[1].c_str());
}
user->WriteServ("NOTICE %s :*** Set jumpserver to server '%s' port '%s', flags '+%s%s'%s%s%s: %s", user->nick.c_str(), parameters[0].c_str(), parameters[1].c_str(),
redirect_all_immediately ? "a" : "",
redirect_new_users ? "n" : "",
n_done ? " (" : "",
n_done ? n_done_s.c_str() : "",
n_done ? " user(s) redirected)" : "",
reason.c_str());
}
return CMD_SUCCESS;
}
};
class ModuleJumpServer : public Module
{
CommandJumpserver js;
public:
ModuleJumpServer() : js(this)
{
}
void init()
{
ServerInstance->Modules->AddService(js);
Implementation eventlist[] = { I_OnUserRegister, I_OnRehash };
ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
}
virtual ~ModuleJumpServer()
{
}
virtual ModResult OnUserRegister(LocalUser* user)
{
if (js.port && js.redirect_new_users)
{
user->WriteNumeric(10, "%s %s %d :Please use this Server/Port instead",
user->nick.c_str(), js.redirect_to.c_str(), js.port);
ServerInstance->Users->QuitUser(user, js.reason);
return MOD_RES_PASSTHRU;
}
return MOD_RES_PASSTHRU;
}
virtual void OnRehash(User* user)
{
// Emergency way to unlock
if (!user) js.redirect_new_users = false;
}
virtual Version GetVersion()
{
return Version("Provides support for the RPL_REDIR numeric and the /JUMPSERVER command.", VF_VENDOR);
}
};
MODULE_INIT(ModuleJumpServer)
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