#include "inspircd.h"
-/* $ModDesc: Connection throttle */
-
-int conns = 0, throttled = 0;
-
class ModuleConnFlood : public Module
{
-private:
- int seconds, maxconns, timeout, boot_wait;
+ int seconds, timeout, boot_wait;
+ unsigned int conns;
+ unsigned int maxconns;
+ bool throttled;
time_t first;
std::string quitmsg;
public:
- ModuleConnFlood() {
-
- InitConf();
- Implementation eventlist[] = { I_OnRehash, I_OnUserRegister };
- ServerInstance->Modules->Attach(eventlist, this, 2);
- }
-
- virtual ~ModuleConnFlood()
+ ModuleConnFlood()
+ : conns(0), throttled(false)
{
}
- virtual Version GetVersion()
+ Version GetVersion() CXX11_OVERRIDE
{
return Version("Connection throttle", VF_VENDOR);
}
- void InitConf()
+ void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
/* read configuration variables */
- ConfigReader conf;
+ ConfigTag* tag = ServerInstance->Config->ConfValue("connflood");
/* throttle configuration */
- seconds = conf.ReadInteger("connflood", "seconds", 0, true);
- maxconns = conf.ReadInteger("connflood", "maxconns", 0, true);
- timeout = conf.ReadInteger("connflood", "timeout", 0, true);
- quitmsg = conf.ReadValue("connflood", "quitmsg", 0);
+ seconds = tag->getInt("seconds");
+ maxconns = tag->getInt("maxconns");
+ timeout = tag->getInt("timeout");
+ quitmsg = tag->getString("quitmsg");
/* seconds to wait when the server just booted */
- boot_wait = conf.ReadInteger("connflood", "bootwait", 0, true);
+ boot_wait = tag->getInt("bootwait");
first = ServerInstance->Time();
}
- virtual ModResult OnUserRegister(LocalUser* user)
+ ModResult OnUserRegister(LocalUser* user) CXX11_OVERRIDE
{
+ if (user->exempt)
+ return MOD_RES_PASSTHRU;
+
time_t next = ServerInstance->Time();
if ((ServerInstance->startup_time + boot_wait) > next)
/* increase connection count */
conns++;
- if (throttled == 1)
+ if (throttled)
{
if (tdiff > seconds + timeout)
{
/* expire throttle */
- throttled = 0;
+ throttled = false;
ServerInstance->SNO->WriteGlobalSno('a', "Connection throttle deactivated");
return MOD_RES_PASSTHRU;
}
{
if (conns >= maxconns)
{
- throttled = 1;
+ throttled = true;
ServerInstance->SNO->WriteGlobalSno('a', "Connection throttle activated");
ServerInstance->Users->QuitUser(user, quitmsg);
return MOD_RES_DENY;
}
return MOD_RES_PASSTHRU;
}
-
- virtual void OnRehash(User* user)
- {
- InitConf();
- }
-
};
MODULE_INIT(ModuleConnFlood)