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/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2009 InspIRCd Development Team
* See: http://wiki.inspircd.org/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "inspircd.h"
/* $ModDesc: Forces connecting clients to send a PONG message back to the server before they can complete their connection */
class ModuleWaitPong : public Module
{
bool sendsnotice;
bool killonbadreply;
LocalStringExt ext;
public:
ModuleWaitPong()
: ext("waitpong_pingstr", this)
{
OnRehash(NULL);
Implementation eventlist[] = { I_OnUserRegister, I_OnCheckReady, I_OnPreCommand, I_OnRehash };
ServerInstance->Modules->Attach(eventlist, this, 4);
}
void OnRehash(User* user)
{
ConfigReader Conf;
sendsnotice = Conf.ReadFlag("waitpong", "sendsnotice", 0);
if(Conf.GetError() == CONF_VALUE_NOT_FOUND)
sendsnotice = true;
killonbadreply = Conf.ReadFlag("waitpong", "killonbadreply", 0);
if(Conf.GetError() == CONF_VALUE_NOT_FOUND)
killonbadreply = true;
}
std::string RandString()
{
char out[11];
for(unsigned int i = 0; i < 10; i++)
out[i] = ((rand() % 26) + 65);
out[10] = '\0';
return out;
}
ModResult OnUserRegister(User* user)
{
std::string pingrpl = RandString();
user->Write("PING :%s", pingrpl.c_str());
if(sendsnotice)
user->WriteServ("NOTICE %s :*** If you are having problems connecting due to ping timeouts, please type /quote PONG %s or /raw PONG %s now.", user->nick.c_str(), pingrpl.c_str(), pingrpl.c_str());
ext.set(user, pingrpl);
return MOD_RES_PASSTHRU;
}
ModResult OnPreCommand(std::string &command, std::vector<std::string> ¶meters, User* user, bool validated, const std::string &original_line)
{
if (command == "PONG")
{
std::string* pingrpl = ext.get(user);
if (pingrpl)
{
if (!parameters.empty() && *pingrpl == parameters[0])
{
ext.unset(user);
return MOD_RES_DENY;
}
else
{
if(killonbadreply)
ServerInstance->Users->QuitUser(user, "Incorrect ping reply for registration");
return MOD_RES_DENY;
}
}
}
return MOD_RES_PASSTHRU;
}
ModResult OnCheckReady(User* user)
{
return ext.get(user) ? MOD_RES_DENY : MOD_RES_PASSTHRU;
}
~ModuleWaitPong()
{
}
Version GetVersion()
{
return Version("Require pong prior to registration", VF_VENDOR);
}
};
MODULE_INIT(ModuleWaitPong)
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