/*
 * Wine Conformance Test EXE
 *
 * Copyright 2003, 2004 Jakob Eriksson   (for Solid Form Sweden AB)
 * Copyright 2003 Dimitrie O. Paun
 * Copyright 2003 Ferenc Wagner
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 *
 * This program is dedicated to Anna Lindh,
 * Swedish Minister of Foreign Affairs.
 * Anna was murdered September 11, 2003.
 *
 */

#include "config.h"
#include "wine/port.h"

#include <stdio.h>
#include <assert.h>
#include <windows.h>

#include "winetest.h"
#include "resource.h"

struct wine_test
{
    char *name;
    int resource;
    int subtest_count;
    char **subtests;
    char *exename;
};

char *tag = NULL;
static struct wine_test *wine_tests;
static int nr_of_files, nr_of_tests;
static const char whitespace[] = " \t\r\n";
static const char testexe[] = "_test.exe";
static char build_id[64];

static char * get_file_version(char * file_name)
{
    static char version[32];
    DWORD size;
    DWORD handle;

    size = GetFileVersionInfoSizeA(file_name, &handle);
    if (size) {
        char * data = xmalloc(size);
        if (data) {
            if (GetFileVersionInfoA(file_name, handle, size, data)) {
                static char backslash[] = "\\";
                VS_FIXEDFILEINFO *pFixedVersionInfo;
                UINT len;
                if (VerQueryValueA(data, backslash, (LPVOID *)&pFixedVersionInfo, &len)) {
                    sprintf(version, "%d.%d.%d.%d",
                            pFixedVersionInfo->dwFileVersionMS >> 16,
                            pFixedVersionInfo->dwFileVersionMS & 0xffff,
                            pFixedVersionInfo->dwFileVersionLS >> 16,
                            pFixedVersionInfo->dwFileVersionLS & 0xffff);
                } else
                    sprintf(version, "version not available");
            } else
                sprintf(version, "unknown");
            free(data);
        } else
            sprintf(version, "failed");
    } else
        sprintf(version, "version not available");

    return version;
}

static int running_under_wine (void)
{
    HMODULE module = GetModuleHandleA("ntdll.dll");

    if (!module) return 0;
    return (GetProcAddress(module, "wine_server_call") != NULL);
}

static int running_on_visible_desktop (void)
{
    HWND desktop;
    HMODULE huser32 = GetModuleHandle("user32.dll");
    FARPROC pGetProcessWindowStation = GetProcAddress(huser32, "GetProcessWindowStation");
    FARPROC pGetUserObjectInformationA = GetProcAddress(huser32, "GetUserObjectInformationA");

    desktop = GetDesktopWindow();
    if (!GetWindowLongPtrW(desktop, GWLP_WNDPROC)) /* Win9x */
        return IsWindowVisible(desktop);

    if (pGetProcessWindowStation && pGetUserObjectInformationA)
    {
        DWORD len;
        HWINSTA wstation;
        USEROBJECTFLAGS uoflags;

        wstation = (HWINSTA)pGetProcessWindowStation();
        assert(pGetUserObjectInformationA(wstation, UOI_FLAGS, &uoflags, sizeof(uoflags), &len));
        return (uoflags.dwFlags & WSF_VISIBLE) != 0;
    }
    return IsWindowVisible(desktop);
}

static void print_version (void)
{
    OSVERSIONINFOEX ver;
    BOOL ext;
    int is_win2k3_r2;
    const char *(*wine_get_build_id)(void);

    ver.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
    if (!(ext = GetVersionEx ((OSVERSIONINFO *) &ver)))
    {
	ver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
	if (!GetVersionEx ((OSVERSIONINFO *) &ver))
	    report (R_FATAL, "Can't get OS version.");
    }

    xprintf ("    bRunningUnderWine=%d\n", running_under_wine ());
    xprintf ("    bRunningOnVisibleDesktop=%d\n", running_on_visible_desktop ());
    xprintf ("    dwMajorVersion=%u\n    dwMinorVersion=%u\n"
             "    dwBuildNumber=%u\n    PlatformId=%u\n    szCSDVersion=%s\n",
             ver.dwMajorVersion, ver.dwMinorVersion, ver.dwBuildNumber,
             ver.dwPlatformId, ver.szCSDVersion);

    wine_get_build_id = (void *)GetProcAddress(GetModuleHandleA("ntdll.dll"), "wine_get_build_id");
    if (wine_get_build_id) xprintf( "    WineBuild=%s\n", wine_get_build_id() );

    is_win2k3_r2 = GetSystemMetrics(SM_SERVERR2);
    if(is_win2k3_r2)
        xprintf("    R2 build number=%d\n", is_win2k3_r2);

    if (!ext) return;

    xprintf ("    wServicePackMajor=%d\n    wServicePackMinor=%d\n"
             "    wSuiteMask=%d\n    wProductType=%d\n    wReserved=%d\n",
             ver.wServicePackMajor, ver.wServicePackMinor, ver.wSuiteMask,
             ver.wProductType, ver.wReserved);
}

static inline int is_dot_dir(const char* x)
{
    return ((x[0] == '.') && ((x[1] == 0) || ((x[1] == '.') && (x[2] == 0))));
}

static void remove_dir (const char *dir)
{
    HANDLE  hFind;
    WIN32_FIND_DATA wfd;
    char path[MAX_PATH];
    size_t dirlen = strlen (dir);

    /* Make sure the directory exists before going further */
    memcpy (path, dir, dirlen);
    strcpy (path + dirlen++, "\\*");
    hFind = FindFirstFile (path, &wfd);
    if (hFind == INVALID_HANDLE_VALUE) return;

    do {
        char *lp = wfd.cFileName;

        if (!lp[0]) lp = wfd.cAlternateFileName; /* ? FIXME not (!lp) ? */
        if (is_dot_dir (lp)) continue;
        strcpy (path + dirlen, lp);
        if (FILE_ATTRIBUTE_DIRECTORY & wfd.dwFileAttributes)
            remove_dir(path);
        else if (!DeleteFile (path))
            report (R_WARNING, "Can't delete file %s: error %d",
                    path, GetLastError ());
    } while (FindNextFile (hFind, &wfd));
    FindClose (hFind);
    if (!RemoveDirectory (dir))
        report (R_WARNING, "Can't remove directory %s: error %d",
                dir, GetLastError ());
}

static const char* get_test_source_file(const char* test, const char* subtest)
{
    static const char* special_dirs[][2] = {
	{ 0, 0 }
    };
    static char buffer[MAX_PATH];
    int i;

    for (i = 0; special_dirs[i][0]; i++) {
	if (strcmp(test, special_dirs[i][0]) == 0) {
	    test = special_dirs[i][1];
	    break;
	}
    }

    snprintf(buffer, sizeof(buffer), "dlls/%s/tests/%s.c", test, subtest);
    return buffer;
}

static void* extract_rcdata (LPTSTR name, int type, DWORD* size)
{
    HRSRC rsrc;
    HGLOBAL hdl;
    LPVOID addr;
    
    if (!(rsrc = FindResource (NULL, name, MAKEINTRESOURCE(type))) ||
        !(*size = SizeofResource (0, rsrc)) ||
        !(hdl = LoadResource (0, rsrc)) ||
        !(addr = LockResource (hdl)))
        return NULL;
    return addr;
}

/* Fills in the name and exename fields */
static void
extract_test (struct wine_test *test, const char *dir, LPTSTR res_name)
{
    BYTE* code;
    DWORD size;
    char *exepos;
    HANDLE hfile;
    DWORD written;

    code = extract_rcdata (res_name, TESTRES, &size);
    if (!code) report (R_FATAL, "Can't find test resource %s: %d",
                       res_name, GetLastError ());
    test->name = xstrdup( res_name );
    test->exename = strmake (NULL, "%s\\%s", dir, test->name);
    exepos = strstr (test->name, testexe);
    if (!exepos) report (R_FATAL, "Not an .exe file: %s", test->name);
    *exepos = 0;
    test->name = xrealloc (test->name, exepos - test->name + 1);
    report (R_STEP, "Extracting: %s", test->name);

    hfile = CreateFileA(test->exename, GENERIC_READ | GENERIC_WRITE, 0, NULL,
                        CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
    if (hfile == INVALID_HANDLE_VALUE)
        report (R_FATAL, "Failed to open file %s.", test->exename);

    if (!WriteFile(hfile, code, size, &written, NULL))
        report (R_FATAL, "Failed to write file %s.", test->exename);

    CloseHandle(hfile);
}

/* Run a command for MS milliseconds.  If OUT != NULL, also redirect
   stdout to there.

   Return the exit status, -2 if can't create process or the return
   value of WaitForSingleObject.
 */
static int
run_ex (char *cmd, HANDLE out_file, const char *tempdir, DWORD ms)
{
    STARTUPINFO si;
    PROCESS_INFORMATION pi;
    DWORD wait, status;

    GetStartupInfo (&si);
    si.dwFlags    = STARTF_USESTDHANDLES;
    si.hStdInput  = GetStdHandle( STD_INPUT_HANDLE );
    si.hStdOutput = out_file ? out_file : GetStdHandle( STD_OUTPUT_HANDLE );
    si.hStdError  = GetStdHandle( STD_ERROR_HANDLE );

    if (!CreateProcessA (NULL, cmd, NULL, NULL, TRUE, CREATE_DEFAULT_ERROR_MODE,
                         NULL, tempdir, &si, &pi)) {
        status = -2;
    } else {
        CloseHandle (pi.hThread);
        wait = WaitForSingleObject (pi.hProcess, ms);
        if (wait == WAIT_OBJECT_0) {
            GetExitCodeProcess (pi.hProcess, &status);
        } else {
            switch (wait) {
            case WAIT_FAILED:
                report (R_ERROR, "Wait for '%s' failed: %d", cmd,
                        GetLastError ());
                break;
            case WAIT_TIMEOUT:
                report (R_ERROR, "Process '%s' timed out.", cmd);
                break;
            default:
                report (R_ERROR, "Wait returned %d", wait);
            }
            status = wait;
            if (!TerminateProcess (pi.hProcess, 257))
                report (R_ERROR, "TerminateProcess failed: %d",
                        GetLastError ());
            wait = WaitForSingleObject (pi.hProcess, 5000);
            switch (wait) {
            case WAIT_FAILED:
                report (R_ERROR,
                        "Wait for termination of '%s' failed: %d",
                        cmd, GetLastError ());
                break;
            case WAIT_OBJECT_0:
                break;
            case WAIT_TIMEOUT:
                report (R_ERROR, "Can't kill process '%s'", cmd);
                break;
            default:
                report (R_ERROR, "Waiting for termination: %d",
                        wait);
            }
        }
        CloseHandle (pi.hProcess);
    }

    return status;
}

static void
get_subtests (const char *tempdir, struct wine_test *test, LPTSTR res_name)
{
    char *cmd;
    HANDLE subfile;
    DWORD total;
    char buffer[8192], *index;
    static const char header[] = "Valid test names:";
    int allocated;
    char tmpdir[MAX_PATH], subname[MAX_PATH];
    SECURITY_ATTRIBUTES sa;

    test->subtest_count = 0;

    if (!GetTempPathA( MAX_PATH, tmpdir ) ||
        !GetTempFileNameA( tmpdir, "sub", 0, subname ))
        report (R_FATAL, "Can't name subtests file.");

    /* make handle inheritable */
    sa.nLength = sizeof(sa);
    sa.lpSecurityDescriptor = NULL;
    sa.bInheritHandle = TRUE;

    subfile = CreateFileA( subname, GENERIC_READ|GENERIC_WRITE,
                           FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
                           &sa, CREATE_ALWAYS, 0, NULL );

    if ((subfile == INVALID_HANDLE_VALUE) &&
        (GetLastError() == ERROR_INVALID_PARAMETER)) {
        /* FILE_SHARE_DELETE not supported on win9x */
        subfile = CreateFileA( subname, GENERIC_READ|GENERIC_WRITE,
                           FILE_SHARE_READ | FILE_SHARE_WRITE,
                           &sa, CREATE_ALWAYS, 0, NULL );
    }
    if (subfile == INVALID_HANDLE_VALUE) {
        report (R_ERROR, "Can't open subtests output of %s: %u",
                test->name, GetLastError());
        goto quit;
    }

    extract_test (test, tempdir, res_name);
    cmd = strmake (NULL, "%s --list", test->exename);
    run_ex (cmd, subfile, tempdir, 5000);
    free (cmd);

    SetFilePointer( subfile, 0, NULL, FILE_BEGIN );
    ReadFile( subfile, buffer, sizeof(buffer), &total, NULL );
    CloseHandle( subfile );
    if (sizeof buffer == total) {
        report (R_ERROR, "Subtest list of %s too big.",
                test->name, sizeof buffer);
        goto quit;
    }
    buffer[total] = 0;

    index = strstr (buffer, header);
    if (!index) {
        report (R_ERROR, "Can't parse subtests output of %s",
                test->name);
        goto quit;
    }
    index += sizeof header;

    allocated = 10;
    test->subtests = xmalloc (allocated * sizeof(char*));
    index = strtok (index, whitespace);
    while (index) {
        if (test->subtest_count == allocated) {
            allocated *= 2;
            test->subtests = xrealloc (test->subtests,
                                       allocated * sizeof(char*));
        }
        test->subtests[test->subtest_count++] = strdup (index);
        index = strtok (NULL, whitespace);
    }
    test->subtests = xrealloc (test->subtests,
                               test->subtest_count * sizeof(char*));

 quit:
    if (!DeleteFileA (subname))
        report (R_WARNING, "Can't delete file '%s': %u", subname, GetLastError());
}

static void
run_test (struct wine_test* test, const char* subtest, HANDLE out_file, const char *tempdir)
{
    int status;
    const char* file = get_test_source_file(test->name, subtest);
    char *cmd = strmake (NULL, "%s %s", test->exename, subtest);

    xprintf ("%s:%s start %s -\n", test->name, subtest, file);
    status = run_ex (cmd, out_file, tempdir, 120000);
    free (cmd);
    xprintf ("%s:%s done (%d)\n", test->name, subtest, status);
}

static BOOL CALLBACK
EnumTestFileProc (HMODULE hModule, LPCTSTR lpszType,
                  LPTSTR lpszName, LONG_PTR lParam)
{
    (*(int*)lParam)++;
    return TRUE;
}

static BOOL CALLBACK
extract_test_proc (HMODULE hModule, LPCTSTR lpszType,
                   LPTSTR lpszName, LONG_PTR lParam)
{
    const char *tempdir = (const char *)lParam;
    char dllname[MAX_PATH];
    HMODULE dll;

    /* Check if the main dll is present on this system */
    CharLowerA(lpszName);
    strcpy(dllname, lpszName);
    *strstr(dllname, testexe) = 0;

    dll = LoadLibraryExA(dllname, NULL, LOAD_LIBRARY_AS_DATAFILE);
    if (!dll) {
        xprintf ("    %s=dll is missing\n", dllname);
        return TRUE;
    }
    FreeLibrary(dll);

    xprintf ("    %s=%s\n", dllname, get_file_version(dllname));

    get_subtests( tempdir, &wine_tests[nr_of_files], lpszName );
    nr_of_tests += wine_tests[nr_of_files].subtest_count;
    nr_of_files++;
    return TRUE;
}

static char *
run_tests (char *logname)
{
    int i;
    char *strres, *eol, *nextline;
    DWORD strsize;
    SECURITY_ATTRIBUTES sa;
    char tmppath[MAX_PATH], tempdir[MAX_PATH+4];

    SetErrorMode (SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX);

    if (!GetTempPathA( MAX_PATH, tmppath ))
        report (R_FATAL, "Can't name temporary dir (check %%TEMP%%).");

    if (!logname) {
        static char tmpname[MAX_PATH];
        if (!GetTempFileNameA( tmppath, "res", 0, tmpname ))
            report (R_FATAL, "Can't name logfile.");
        logname = tmpname;
    }
    report (R_OUT, logname);

    /* make handle inheritable */
    sa.nLength = sizeof(sa);
    sa.lpSecurityDescriptor = NULL;
    sa.bInheritHandle = TRUE;

    logfile = CreateFileA( logname, GENERIC_READ|GENERIC_WRITE,
                           FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
                           &sa, CREATE_ALWAYS, 0, NULL );

    if ((logfile == INVALID_HANDLE_VALUE) &&
        (GetLastError() == ERROR_INVALID_PARAMETER)) {
        /* FILE_SHARE_DELETE not supported on win9x */
        logfile = CreateFileA( logname, GENERIC_READ|GENERIC_WRITE,
                           FILE_SHARE_READ | FILE_SHARE_WRITE,
                           &sa, CREATE_ALWAYS, 0, NULL );
    }
    if (logfile == INVALID_HANDLE_VALUE)
        report (R_FATAL, "Could not open logfile: %u", GetLastError());

    if (!GetTempPathA( MAX_PATH, tmppath ))
        report (R_FATAL, "Can't name temporary dir (check %%TEMP%%).");

    /* try stable path for ZoneAlarm */
    strcpy( tempdir, tmppath );
    strcat( tempdir, "wct" );
    if (!CreateDirectoryA( tempdir, NULL ))
    {
        if (!GetTempFileNameA( tmppath, "wct", 0, tempdir ))
            report (R_FATAL, "Can't name temporary dir (check %%TEMP%%).");
        DeleteFileA( tempdir );
        if (!CreateDirectoryA( tempdir, NULL ))
            report (R_FATAL, "Could not create directory: %s", tempdir);
    }
    report (R_DIR, tempdir);

    xprintf ("Version 4\n");
    xprintf ("Tests from build %s\n", build_id[0] ? build_id : "-" );
    strres = extract_rcdata (MAKEINTRESOURCE(TESTS_URL), STRINGRES, &strsize);
    xprintf ("Archive: ");
    if (strres) xprintf ("%.*s", strsize, strres);
    else xprintf ("-\n");
    xprintf ("Tag: %s\n", tag);
    xprintf ("Build info:\n");
    strres = extract_rcdata (MAKEINTRESOURCE(BUILD_INFO), STRINGRES, &strsize);
    while (strres) {
        eol = memchr (strres, '\n', strsize);
        if (!eol) {
            nextline = NULL;
            eol = strres + strsize;
        } else {
            strsize -= eol - strres + 1;
            nextline = strsize?eol+1:NULL;
            if (eol > strres && *(eol-1) == '\r') eol--;
        }
        xprintf ("    %.*s\n", eol-strres, strres);
        strres = nextline;
    }
    xprintf ("Operating system version:\n");
    print_version ();
    xprintf ("Dll info:\n" );

    report (R_STATUS, "Counting tests");
    if (!EnumResourceNames (NULL, MAKEINTRESOURCE(TESTRES),
                            EnumTestFileProc, (LPARAM)&nr_of_files))
        report (R_FATAL, "Can't enumerate test files: %d",
                GetLastError ());
    wine_tests = xmalloc (nr_of_files * sizeof wine_tests[0]);

    report (R_STATUS, "Extracting tests");
    report (R_PROGRESS, 0, nr_of_files);
    nr_of_files = 0;
    nr_of_tests = 0;
    if (!EnumResourceNames (NULL, MAKEINTRESOURCE(TESTRES),
                            extract_test_proc, (LPARAM)tempdir))
        report (R_FATAL, "Can't enumerate test files: %d",
                GetLastError ());

    xprintf ("Test output:\n" );

    report (R_DELTA, 0, "Extracting: Done");

    report (R_STATUS, "Running tests");
    report (R_PROGRESS, 1, nr_of_tests);
    for (i = 0; i < nr_of_files; i++) {
        struct wine_test *test = wine_tests + i;
        int j;

	for (j = 0; j < test->subtest_count; j++) {
            report (R_STEP, "Running: %s:%s", test->name,
                    test->subtests[j]);
	    run_test (test, test->subtests[j], logfile, tempdir);
        }
    }
    report (R_DELTA, 0, "Running: Done");

    report (R_STATUS, "Cleaning up");
    CloseHandle( logfile );
    logfile = 0;
    remove_dir (tempdir);
    free (wine_tests);

    return logname;
}

static void
usage (void)
{
    fprintf (stderr,
"Usage: winetest [OPTION]...\n\n"
"  -c       console mode, no GUI\n"
"  -e       preserve the environment\n"
"  -h       print this message and exit\n"
"  -p       shutdown when the tests are done\n"
"  -q       quiet mode, no output at all\n"
"  -o FILE  put report into FILE, do not submit\n"
"  -s FILE  submit FILE, do not run tests\n"
"  -t TAG   include TAG of characters [-.0-9a-zA-Z] in the report\n");
}

int WINAPI WinMain (HINSTANCE hInst, HINSTANCE hPrevInst,
                    LPSTR cmdLine, int cmdShow)
{
    char *logname = NULL;
    const char *cp, *submit = NULL;
    int reset_env = 1;
    int poweroff = 0;
    int interactive = 1;

    if (!LoadStringA( 0, IDS_BUILD_ID, build_id, sizeof(build_id) )) build_id[0] = 0;

    cmdLine = strtok (cmdLine, whitespace);
    while (cmdLine) {
        if (cmdLine[0] != '-' || cmdLine[2]) {
            report (R_ERROR, "Not a single letter option: %s", cmdLine);
            usage ();
            exit (2);
        }
        switch (cmdLine[1]) {
        case 'c':
            report (R_TEXTMODE);
            interactive = 0;
            break;
        case 'e':
            reset_env = 0;
            break;
        case 'h':
        case '?':
            usage ();
            exit (0);
        case 'p':
            poweroff = 1;
            break;
        case 'q':
            report (R_QUIET);
            interactive = 0;
            break;
        case 's':
            submit = strtok (NULL, whitespace);
            if (tag)
                report (R_WARNING, "ignoring tag for submission");
            send_file (submit);
            break;
        case 'o':
            logname = strtok (NULL, whitespace);
            break;
        case 't':
            tag = strtok (NULL, whitespace);
            if (strlen (tag) > MAXTAGLEN)
                report (R_FATAL, "tag is too long (maximum %d characters)",
                        MAXTAGLEN);
            cp = findbadtagchar (tag);
            if (cp) {
                report (R_ERROR, "invalid char in tag: %c", *cp);
                usage ();
                exit (2);
            }
            break;
        default:
            report (R_ERROR, "invalid option: -%c", cmdLine[1]);
            usage ();
            exit (2);
        }
        cmdLine = strtok (NULL, whitespace);
    }
    if (!submit) {
        report (R_STATUS, "Starting up");

        if (!running_on_visible_desktop ())
            report (R_FATAL, "Tests must be run on a visible desktop");

        if (reset_env)
        {
            SetEnvironmentVariableA( "WINETEST_PLATFORM", running_under_wine () ? "wine" : "windows" );
            SetEnvironmentVariableA( "WINETEST_DEBUG", "1" );
            SetEnvironmentVariableA( "WINETEST_INTERACTIVE", "0" );
            SetEnvironmentVariableA( "WINETEST_REPORT_SUCCESS", "0" );
        }

        if (!tag) {
            if (!interactive)
                report (R_FATAL, "Please specify a tag (-t option) if "
                        "running noninteractive!");
            if (guiAskTag () == IDABORT) exit (1);
        }
        report (R_TAG);

        if (!build_id[0])
            report( R_WARNING, "You won't be able to submit results without a valid build id.\n"
                    "To submit results, winetest needs to be built from a git checkout." );

        if (!logname) {
            logname = run_tests (NULL);
            if (build_id[0] &&
                report (R_ASK, MB_YESNO, "Do you want to submit the test results?") == IDYES)
                if (!send_file (logname) && !DeleteFileA(logname))
                    report (R_WARNING, "Can't remove logfile: %u", GetLastError());
        } else run_tests (logname);
        report (R_STATUS, "Finished");
    }
    if (poweroff)
    {
        HANDLE hToken;
        TOKEN_PRIVILEGES npr;

        /* enable the shutdown privilege for the current process */
        if (OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES, &hToken))
        {
            LookupPrivilegeValueA(0, SE_SHUTDOWN_NAME, &npr.Privileges[0].Luid);
            npr.PrivilegeCount = 1;
            npr.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
            AdjustTokenPrivileges(hToken, FALSE, &npr, 0, 0, 0);
            CloseHandle(hToken);
        }
        ExitWindowsEx(EWX_SHUTDOWN | EWX_POWEROFF | EWX_FORCEIFHUNG, SHTDN_REASON_MAJOR_OTHER | SHTDN_REASON_MINOR_OTHER);
    }
    exit (0);
}