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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2005-2007 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 masking of user hostnames in a different way to m_cloaking */
/** Holds information on a host set by m_hostchange
*/
class Host
{
public:
std::string action;
std::string newhost;
std::string ports;
};
typedef std::map<std::string,Host*> hostchanges_t;
class ModuleHostChange : public Module
{
private:
hostchanges_t hostchanges;
std::string MySuffix;
std::string MyPrefix;
std::string MySeparator;
public:
ModuleHostChange()
{
OnRehash(NULL);
Implementation eventlist[] = { I_OnRehash, I_OnUserConnect };
ServerInstance->Modules->Attach(eventlist, this, 2);
}
virtual ~ModuleHostChange()
{
for (hostchanges_t::iterator i = hostchanges.begin(); i != hostchanges.end(); i++)
{
delete i->second;
}
hostchanges.clear();
}
void Prioritize()
{
Module* cloak = ServerInstance->Modules->Find("m_cloaking.so");
ServerInstance->Modules->SetPriority(this, I_OnUserConnect, PRIORITY_AFTER, &cloak);
}
virtual void OnRehash(User* user)
{
ConfigReader Conf;
MySuffix = Conf.ReadValue("host","suffix",0);
MyPrefix = Conf.ReadValue("host","prefix","",0);
MySeparator = Conf.ReadValue("host","separator",".",0);
for (hostchanges_t::iterator i = hostchanges.begin(); i != hostchanges.end(); i++)
{
delete i->second;
}
hostchanges.clear();
for (int index = 0; index < Conf.Enumerate("hostchange"); index++)
{
std::string mask = Conf.ReadValue("hostchange", "mask", index);
std::string ports = Conf.ReadValue("hostchange", "ports", index);
std::string action = Conf.ReadValue("hostchange", "action", index);
std::string newhost = Conf.ReadValue("hostchange", "value", index);
Host* x = new Host;
x->action = action;
x->ports = ports;
x->newhost = newhost;
hostchanges[mask] = x;
}
}
virtual Version GetVersion()
{
// returns the version number of the module to be
// listed in /MODULES
return Version("Provides masking of user hostnames in a different way to m_cloaking", VF_VENDOR);
}
virtual void OnUserConnect(LocalUser* user)
{
for (hostchanges_t::iterator i = hostchanges.begin(); i != hostchanges.end(); i++)
{
if (((InspIRCd::MatchCIDR(user->MakeHost(), i->first)) || (InspIRCd::MatchCIDR(user->MakeHostIP(), i->first))))
{
Host* h = i->second;
if (!h->ports.empty())
{
irc::portparser portrange(h->ports, false);
long portno = -1;
bool foundany = false;
while ((portno = portrange.GetToken()))
if (portno == user->GetServerPort())
foundany = true;
if (!foundany)
continue;
}
// host of new user matches a hostchange tag's mask
std::string newhost;
if (h->action == "set")
{
newhost = h->newhost;
}
else if (h->action == "suffix")
{
newhost = MySuffix;
}
else if (h->action == "addnick")
{
// first take their nick and strip out non-dns, leaving just [A-Z0-9\-]
std::string complete;
std::string old = user->nick;
for (unsigned int j = 0; j < old.length(); j++)
{
if (((old[j] >= 'A') && (old[j] <= 'Z')) ||
((old[j] >= 'a') && (old[j] <= 'z')) ||
((old[j] >= '0') && (old[j] <= '9')) ||
(old[j] == '-'))
{
complete = complete + old[j];
}
}
if (complete.empty())
complete = "i-have-a-lame-nick";
if (!MyPrefix.empty())
newhost = MyPrefix + MySeparator + complete;
else
newhost = complete + MySeparator + MySuffix;
}
if (!newhost.empty())
{
user->WriteServ("NOTICE "+std::string(user->nick)+" :Setting your virtual host: " + newhost);
if (!user->ChangeDisplayedHost(newhost.c_str()))
user->WriteServ("NOTICE "+std::string(user->nick)+" :Could not set your virtual host: " + newhost);
return;
}
}
}
}
};
MODULE_INIT(ModuleHostChange)
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