tunsafe-clang15/network_win32_dnsblock.h
2018-10-08 00:00:26 +02:00

23 lines
594 B
C++

// SPDX-License-Identifier: AGPL-1.0-only
// Copyright (C) 2018 Ludvig Strigeus <info@tunsafe.com>. All Rights Reserved.
#pragma once
class DnsBlocker {
public:
DnsBlocker();
~DnsBlocker();
bool BlockDnsExceptOnAdapter(const NET_LUID &luid, bool also_ipv6);
void RestoreDns();
bool IsActive() { return handle_ != NULL; }
// Current state
NET_LUID luid_;
HANDLE handle_;
bool also_ipv6_;
};
bool AddKillSwitchFirewall(const NET_LUID *default_interface, const NET_LUID &luid_to_allow, bool also_ipv6);
void RemoveKillSwitchFirewall();
bool GetKillSwitchFirewallActive();