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#include <stdlib.h>
#include <string>
#include "aes.h"
#include "users.h"
#include "channels.h"
#include "modules.h"
#include "helperfuncs.h"
#include "inspircd.h"
/* $ModDesc: Forces connecting clients to send a PONG message back to the server before they can complete their connection */
extern InspIRCd* ServerInstance;
char* 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+1];
to64frombits(out, tmp, (length/4)*3);
out[length] = '\0';
DELETE(tmp);
return (char*)out;
}
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(const std::string ¶m)
{
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] = List[I_OnCleanup] = 1;
}
virtual void 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("waitpong_pingstr", pingrpl);
}
virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec* user, bool validated)
{
if(command == "PONG")
{
char* pingrpl;
user->GetExt("waitpong_pingstr", pingrpl);
if(pingrpl)
{
if(strcmp(pingrpl, parameters[0]) == 0)
{
DELETE(pingrpl);
user->Shrink("waitpong_pingstr");
return 1;
}
else
{
if(killonbadreply)
userrec::QuitUser(ServerInstance, user, "Incorrect ping reply for registration");
return 1;
}
}
}
return 0;
}
virtual bool OnCheckReady(userrec* user)
{
char* pingrpl;
return (!user->GetExt("waitpong_pingstr", pingrpl));
}
virtual void OnUserDisconnect(userrec* user)
{
char* pingrpl;
user->GetExt("waitpong_pingstr", pingrpl);
if(pingrpl)
{
DELETE(pingrpl);
user->Shrink("waitpong_pingstr");
}
}
virtual void OnCleanup(int target_type, void* item)
{
if(target_type == TYPE_USER)
{
userrec* user = (userrec*)item;
char* pingrpl;
user->GetExt("waitpong_pingstr", pingrpl);
if(pingrpl)
{
DELETE(pingrpl);
user->Shrink("waitpong_pingstr");
}
}
}
virtual ~ModuleWaitPong()
{
}
virtual Version GetVersion()
{
return Version(1, 0, 0, 1, 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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