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/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2007 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include <stdlib.h>
#include <string>
#include "users.h"
#include "channels.h"
#include "modules.h"
#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
{
InspIRCd* Instance;
bool sendsnotice;
bool killonbadreply;
const char* extenstr;
public:
ModuleWaitPong(InspIRCd* Me)
: Module::Module(Me), Instance(Me), extenstr("waitpong_pingstr")
{
OnRehash(NULL,"");
}
virtual void OnRehash(userrec* user, const std::string ¶m)
{
ConfigReader Conf(Instance);
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;
}
void Implements(char* List)
{
List[I_OnUserRegister] = List[I_OnCheckReady] = List[I_OnPreCommand] = List[I_OnRehash] = List[I_OnUserDisconnect] = List[I_OnCleanup] = 1;
}
char* RandString(unsigned int length)
{
unsigned char* out = new unsigned char[length+1];
for(unsigned int i = 0; i < length; i++)
out[i] = ((rand() % 26) + 65);
out[length] = '\0';
return (char*)out;
}
virtual int OnUserRegister(userrec* user)
{
char* pingrpl = RandString(10);
user->Write("PING :%s", pingrpl);
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, pingrpl, pingrpl);
user->Extend(extenstr, pingrpl);
return 0;
}
virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec* user, bool validated, const std::string &original_line)
{
if(command == "PONG")
{
ServerInstance->Log(DEBUG,"PONG command");
char* pingrpl;
user->GetExt(extenstr, pingrpl);
if(pingrpl)
{
ServerInstance->Log(DEBUG,"PONG command - has extend");
if(strcmp(pingrpl, parameters[0]) == 0)
{
ServerInstance->Log(DEBUG,"PONG command - pong matches ping ");
DELETE(pingrpl);
user->Shrink(extenstr);
return 1;
}
else
{
ServerInstance->Log(DEBUG,"PONG command - pong doesnt match ping");
if(killonbadreply)
userrec::QuitUser(ServerInstance, user, "Incorrect ping reply for registration");
return 1;
}
}
}
ServerInstance->Log(DEBUG,"PONG command - fall through");
return 0;
}
virtual bool OnCheckReady(userrec* user)
{
ServerInstance->Log(DEBUG,"PONG command - oncheckready");
char* pingrpl;
return (!user->GetExt(extenstr, pingrpl));
}
virtual void OnUserDisconnect(userrec* user)
{
char* pingrpl;
user->GetExt(extenstr, pingrpl);
if(pingrpl)
{
DELETE(pingrpl);
user->Shrink(extenstr);
}
}
virtual void OnCleanup(int target_type, void* item)
{
if(target_type == TYPE_USER)
{
userrec* user = (userrec*)item;
char* pingrpl;
user->GetExt(extenstr, pingrpl);
if(pingrpl)
{
DELETE(pingrpl);
user->Shrink(extenstr);
}
}
}
virtual ~ModuleWaitPong()
{
}
virtual Version GetVersion()
{
return Version(1, 1, 0, 1, VF_VENDOR, API_VERSION);
}
};
class ModuleWaitPongFactory : public ModuleFactory
{
public:
ModuleWaitPongFactory()
{
}
~ModuleWaitPongFactory()
{
}
virtual Module * CreateModule(InspIRCd* Me)
{
return new ModuleWaitPong(Me);
}
};
extern "C" void * init_module( void )
{
return new ModuleWaitPongFactory;
}
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