/* * Copyright (C) 2013 Martin Willi * Copyright (C) 2013 revosec AG * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. See . * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. */ #include const GUID FWPM_CONDITION_IP_REMOTE_ADDRESS = { 0xb235ae9a, 0x1d64, 0x49b8, { 0xa4,0x4c,0x5f,0xf3,0xd9,0x09,0x50,0x45 } }; const GUID FWPM_CONDITION_IP_LOCAL_ADDRESS = { 0xd9ee00de, 0xc1ef, 0x4617, { 0xbf,0xe3,0xff,0xd8,0xf5,0xa0,0x89,0x57 } }; const GUID FWPM_CONDITION_IP_LOCAL_PORT = { 0x0c1ba1af, 0x5765, 0x453f, { 0xaf,0x22,0xa8,0xf7,0x91,0xac,0x77,0x5b } }; const GUID FWPM_CONDITION_IP_REMOTE_PORT = { 0xc35a604d, 0xd22b, 0x4e1a, { 0x91,0xb4,0x68,0xf6,0x74,0xee,0x67,0x4b } }; const GUID FWPM_CONDITION_IP_PROTOCOL = { 0x3971ef2b, 0x623e, 0x4f9a, { 0x8c,0xb1,0x6e,0x79,0xb8,0x06,0xb9,0xa7 } }; const GUID FWPM_LAYER_INBOUND_TRANSPORT_V4 = { 0x5926dfc8, 0xe3cf, 0x4426, { 0xa2,0x83,0xdc,0x39,0x3f,0x5d,0x0f,0x9d } }; const GUID FWPM_LAYER_OUTBOUND_TRANSPORT_V4 = { 0x09e61aea, 0xd214, 0x46e2, { 0x9b,0x21,0xb2,0x6b,0x0b,0x2f,0x28,0xc8 } }; const GUID FWPM_CALLOUT_IPSEC_INBOUND_TRANSPORT_V4 = { 0x5132900d, 0x5e84, 0x4b5f, { 0x80,0xe4,0x01,0x74,0x1e,0x81,0xff,0x10 } }; const GUID FWPM_CALLOUT_IPSEC_OUTBOUND_TRANSPORT_V4 = { 0x4b46bf0a, 0x4523, 0x4e57, { 0xaa,0x38,0xa8,0x79,0x87,0xc9,0x10,0xd9 } }; /** * Load a function symbol from a loaded dll */ static inline void *load_function(char *dll, char *name) { HANDLE handle; void *sym = NULL; handle = GetModuleHandle(dll); if (!handle) { return NULL; } sym = GetProcAddress(handle, name); return sym; } /** * Macro that defines a stub for a function that calls the same DLL function * * @param dll DLL to find function in * @param ret return type of function * @param name function name * @param size size of all arguments on stack * @param ... arguments of function */ #define STUB(dll, ret, name, size, ...) \ ret WINAPI name(__VA_ARGS__) \ { \ static void (*fun)() = NULL; \ if (!fun) \ { \ fun = load_function(#dll, #name); \ } \ if (fun) \ { \ __builtin_return(__builtin_apply(fun, __builtin_apply_args(), size)); \ } \ return ERROR_NOT_SUPPORTED; \ } STUB(fwpuclnt, DWORD, IPsecSaContextCreate1, 40, HANDLE engineHandle, const void *outboundTraffic, const void *virtualIfTunnelInfo, UINT64 *inboundFilterId, UINT64 *id) STUB(fwpuclnt, DWORD, IPsecSaContextSetSpi0, 32, HANDLE engineHandle, UINT64 id, const void *getSpi, UINT32 inboundSpi)