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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2004-2006 Craig Edwards <craigedwards@brainbox.cc>
*
* 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 CHGHOST command */
/** Handle /CHGHOST
*/
class CommandChghost : public Command
{
private:
char* hostmap;
public:
CommandChghost(Module* Creator, char* hmap) : Command(Creator,"CHGHOST", 2), hostmap(hmap)
{
allow_empty_last_param = false;
flags_needed = 'o';
syntax = "<nick> <newhost>";
TRANSLATE3(TR_NICK, TR_TEXT, TR_END);
}
CmdResult Handle(const std::vector<std::string> ¶meters, User *user)
{
const char* x = parameters[1].c_str();
if (parameters[1].length() > 63)
{
user->WriteServ("NOTICE %s :*** CHGHOST: Host too long", user->nick.c_str());
return CMD_FAILURE;
}
for (; *x; x++)
{
if (!hostmap[(unsigned char)*x])
{
user->WriteServ("NOTICE "+user->nick+" :*** CHGHOST: Invalid characters in hostname");
return CMD_FAILURE;
}
}
User* dest = ServerInstance->FindNick(parameters[0]);
// Allow services to change the host of unregistered users
if ((!dest) || ((dest->registered != REG_ALL) && (!ServerInstance->ULine(user->server))))
{
user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel", user->nick.c_str(), parameters[0].c_str());
return CMD_FAILURE;
}
if (IS_LOCAL(dest))
{
if ((dest->ChangeDisplayedHost(parameters[1].c_str())) && (!ServerInstance->ULine(user->server)))
{
// fix by brain - ulines set hosts silently
ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used CHGHOST to make the displayed host of "+dest->nick+" become "+dest->dhost);
}
}
return CMD_SUCCESS;
}
RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
{
User* dest = ServerInstance->FindNick(parameters[0]);
if (dest)
return ROUTE_OPT_UCAST(dest->server);
return ROUTE_LOCALONLY;
}
};
class ModuleChgHost : public Module
{
CommandChghost cmd;
char hostmap[256];
public:
ModuleChgHost() : cmd(this, hostmap)
{
}
void init()
{
OnRehash(NULL);
ServerInstance->Modules->AddService(cmd);
Implementation eventlist[] = { I_OnRehash };
ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
}
void OnRehash(User* user)
{
std::string hmap = ServerInstance->Config->ConfValue("hostname")->getString("charmap", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.-_/0123456789");
memset(hostmap, 0, sizeof(hostmap));
for (std::string::iterator n = hmap.begin(); n != hmap.end(); n++)
hostmap[(unsigned char)*n] = 1;
}
~ModuleChgHost()
{
}
Version GetVersion()
{
return Version("Provides support for the CHGHOST command", VF_OPTCOMMON | VF_VENDOR);
}
};
MODULE_INIT(ModuleChgHost)
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