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#include <stdlib.h>
#include <string>
#include "aes.h"
#include "users.h"
#include "channels.h"
#include "modules.h"
#include "helperfuncs.h"
/* $ModDesc: Forces connecting clients to send a PONG message back to the server before they can complete their connection */
static std::string RandString(unsigned int length)
{
unsigned char* tmp = new unsigned char[(length/4)*3];
for(unsigned int i = 0; i < (length/4)*3; i++)
tmp[i] = (unsigned char)rand();
unsigned char* out = new unsigned char[length];
to64frombits(out, tmp, (length/4)*3);
std::string ret((char*)out);
delete out;
delete tmp;
return ret;
}
class ModuleWaitPong : public Module
{
Server* Srv;
ConfigReader* Conf;
bool sendsnotice;
bool killonbadreply;
public:
ModuleWaitPong(Server* Me)
: Module::Module(Me)
{
Srv = Me;
OnRehash("");
}
virtual void OnRehash(std::string param)
{
Conf = new ConfigReader;
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;
delete Conf;
}
void Implements(char* List)
{
List[I_OnUserRegister] = List[I_OnCheckReady] = List[I_OnPreCommand] = List[I_OnRehash] = List[I_OnUserDisconnect] = 1;
}
virtual void OnUserRegister(userrec* user)
{
std::string* pingrpl = new std::string;
*pingrpl = RandString(10);
Srv->Send(user->fd, "PING :" + *pingrpl);
if(sendsnotice)
WriteServ(user->fd, "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->c_str(), pingrpl->c_str());
user->Extend("waitpong_pingstr", (char*)pingrpl);
}
virtual int OnPreCommand(std::string command, char** parameters, int pcnt, userrec* user, bool validated)
{
if(command == "PONG")
{
std::string* pingrpl = (std::string*)user->GetExt("waitpong_pingstr");
if(pingrpl && (*pingrpl == parameters[0]))
{
delete pingrpl;
user->Shrink("waitpong_pingstr");
return 1;
}
else if(killonbadreply)
{
Srv->QuitUser(user, "Incorrect ping reply for registration");
return 1;
}
}
return 0;
}
virtual bool OnCheckReady(userrec* user)
{
return (!user->GetExt("waitpong_pingstr"));
}
virtual void OnUserDisconnect(userrec* user)
{
std::string* pingrpl = (std::string*)user->GetExt("waitpong_pingstr");
if(pingrpl)
{
delete pingrpl;
user->Shrink("waitpong_pingstr");
}
}
virtual ~ModuleWaitPong()
{
}
virtual Version GetVersion()
{
return Version(1, 0, 0, 0, VF_VENDOR);
}
};
class ModuleWaitPongFactory : public ModuleFactory
{
public:
ModuleWaitPongFactory()
{
}
~ModuleWaitPongFactory()
{
}
virtual Module * CreateModule(Server* Me)
{
return new ModuleWaitPong(Me);
}
};
extern "C" void * init_module( void )
{
return new ModuleWaitPongFactory;
}
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