143 lines
3.4 KiB
C
143 lines
3.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0
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*
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* Copyright (C) 2018-2020 WireGuard LLC. All Rights Reserved.
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*/
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#include "entry.h"
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#if ACCEPT_WOW64 == 1
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#include "adapter.h"
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#include "logger.h"
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#include "wintun.h"
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#include <Windows.h>
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#include <cfgmgr32.h>
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#include <objbase.h>
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#include <assert.h>
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#define EXPORT comment(linker, "/EXPORT:" __FUNCTION__ "=" __FUNCDNAME__)
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static DWORD
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WriteFormatted(_In_ DWORD StdHandle, _In_z_ const WCHAR *Template, ...)
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{
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WCHAR *FormattedMessage = NULL;
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DWORD SizeWritten;
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va_list Arguments;
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va_start(Arguments, Template);
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DWORD Len = FormatMessageW(
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FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ALLOCATE_BUFFER,
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Template,
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0,
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0,
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(void *)&FormattedMessage,
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0,
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&Arguments);
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WriteFile(GetStdHandle(StdHandle), FormattedMessage, Len * sizeof(WCHAR), &SizeWritten, NULL);
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LocalFree(FormattedMessage);
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va_end(Arguments);
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return SizeWritten / sizeof(WCHAR);
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}
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static BOOL CALLBACK
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ConsoleLogger(_In_ WINTUN_LOGGER_LEVEL Level, _In_z_ const WCHAR *LogLine)
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{
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const WCHAR *Template;
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switch (Level)
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{
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case WINTUN_LOG_INFO:
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Template = L"[+] %1\n";
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break;
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case WINTUN_LOG_WARN:
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Template = L"[-] %1\n";
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break;
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case WINTUN_LOG_ERR:
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Template = L"[!] %1\n";
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break;
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default:
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return FALSE;
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}
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WriteFormatted(STD_ERROR_HANDLE, Template, LogLine);
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return TRUE;
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}
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static int Argc;
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static WCHAR **Argv;
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static void
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Init(void)
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{
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WintunSetLogger(ConsoleLogger);
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Argv = CommandLineToArgvW(GetCommandLineW(), &Argc);
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}
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static void
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Done(void)
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{
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LocalFree(Argv);
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}
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#pragma warning(disable: 4100) /* unreferenced formal parameter */
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VOID __stdcall CreateAdapter(HWND hwnd, HINSTANCE hinst, LPSTR lpszCmdLine, int nCmdShow)
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{
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# pragma EXPORT
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Init();
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if (Argc < 4)
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goto cleanup;
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if (wcslen(Argv[2]) >= WINTUN_MAX_POOL)
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goto cleanup;
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if (wcslen(Argv[3]) >= MAX_ADAPTER_NAME)
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goto cleanup;
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GUID RequestedGUID;
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if (Argc > 4 && FAILED(CLSIDFromString(Argv[4], &RequestedGUID)))
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goto cleanup;
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WINTUN_ADAPTER *Adapter;
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BOOL RebootRequired;
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DWORD Result = WintunCreateAdapter(Argv[2], Argv[3], Argc > 4 ? &RequestedGUID : NULL, &Adapter, &RebootRequired);
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WCHAR GuidStr[MAX_GUID_STRING_LEN];
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WriteFormatted(
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STD_OUTPUT_HANDLE,
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L"%1!X! %2!.*s! %3!X!",
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Result,
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StringFromGUID2(Result == ERROR_SUCCESS ? &Adapter->CfgInstanceID : &GUID_NULL, GuidStr, _countof(GuidStr)),
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GuidStr,
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RebootRequired);
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WintunFreeAdapter(Adapter);
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cleanup:
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Done();
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}
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VOID __stdcall DeleteAdapter(HWND hwnd, HINSTANCE hinst, LPSTR lpszCmdLine, int nCmdShow)
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{
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# pragma EXPORT
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Init();
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if (Argc < 3)
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goto cleanup;
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WINTUN_ADAPTER Adapter = { 0 };
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BOOL ForceCloseSessions = wcstoul(Argv[2], NULL, 10);
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if (FAILED(CLSIDFromString(Argv[3], &Adapter.CfgInstanceID)))
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goto cleanup;
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BOOL RebootRequired;
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WINTUN_STATUS Ret = WintunDeleteAdapter(&Adapter, ForceCloseSessions, &RebootRequired);
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WriteFormatted(STD_OUTPUT_HANDLE, L"%1!X! %2!X!", Ret, RebootRequired);
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cleanup:
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Done();
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}
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VOID __stdcall DeleteDriver(HWND hwnd, HINSTANCE hinst, LPSTR lpszCmdLine, int nCmdShow)
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{
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# pragma EXPORT
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Init();
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WriteFormatted(STD_OUTPUT_HANDLE, L"%1!X!", WintunDeleteDriver());
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Done();
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}
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#endif
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