src/OSSupport_Win32.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // MuldeR's Utilities for Qt
   3 // Copyright (C) 2004-2015 LoRd_MuldeR <MuldeR2@GMX.de>
   4 //
   5 // This library is free software; you can redistribute it and/or
   6 // modify it under the terms of the GNU Lesser General Public
   7 // License as published by the Free Software Foundation; either
   8 // version 2.1 of the License, or (at your option) any later version.
   9 //
  10 // This library is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 // Lesser General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU Lesser General Public
  16 // License along with this library; if not, write to the Free Software
  17 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  18 //
  19 // http://www.gnu.org/licenses/lgpl-2.1.txt
  20 //////////////////////////////////////////////////////////////////////////////////
  21
  22 //Win32 API
  23 #define WIN32_LEAN_AND_MEAN 1
  24 #include <Windows.h>
  25 #include <Psapi.h>
  26 #include <Sensapi.h>
  27 #include <Shellapi.h>
  28 #include <PowrProf.h>
  29 #include <Mmsystem.h>
  30 #include <ShlObj.h>
  31
  32 //Internal
  33 #include <MUtils/Global.h>
  34 #include <MUtils/OSSupport.h>
  35 #include <MUtils/GUI.h>
  36 #include "CriticalSection_Win32.h"
  37
  38 //Qt
  39 #include <QMap>
  40 #include <QReadWriteLock>
  41 #include <QLibrary>
  42 #include <QDir>
  43 #include <QWidget>
  44 #include <QProcess>
  45
  46 //Main thread ID
  47 static const DWORD g_main_thread_id = GetCurrentThreadId();
  48
  49 ///////////////////////////////////////////////////////////////////////////////
  50 // SYSTEM MESSAGE
  51 ///////////////////////////////////////////////////////////////////////////////
  52
  53 static const UINT g_msgBoxFlags = MB_TOPMOST | MB_TASKMODAL | MB_SETFOREGROUND;
  54
  55 void MUtils::OS::system_message_nfo(const wchar_t *const title, const wchar_t *const text)
  56 {
  57         MessageBoxW(NULL, text, title, g_msgBoxFlags | MB_ICONINFORMATION);
  58 }
  59
  60 void MUtils::OS::system_message_wrn(const wchar_t *const title, const wchar_t *const text)
  61 {
  62         MessageBoxW(NULL, text, title, g_msgBoxFlags | MB_ICONWARNING);
  63 }
  64
  65 void MUtils::OS::system_message_err(const wchar_t *const title, const wchar_t *const text)
  66 {
  67         MessageBoxW(NULL, text, title, g_msgBoxFlags | MB_ICONERROR);
  68 }
  69
  70 ///////////////////////////////////////////////////////////////////////////////
  71 // FETCH CLI ARGUMENTS
  72 ///////////////////////////////////////////////////////////////////////////////
  73
  74 static QReadWriteLock                          g_arguments_lock;
  75 static QScopedPointer<MUtils::OS::ArgumentMap> g_arguments_list;
  76
  77 const MUtils::OS::ArgumentMap &MUtils::OS::arguments(void)
  78 {
  79         QReadLocker readLock(&g_arguments_lock);
  80
  81         //Already initialized?
  82         if(!g_arguments_list.isNull())
  83         {
  84                 return (*(g_arguments_list.data()));
  85         }
  86
  87         readLock.unlock();
  88         QWriteLocker writeLock(&g_arguments_lock);
  89
  90         //Still not initialized?
  91         if(!g_arguments_list.isNull())
  92         {
  93                 return (*(g_arguments_list.data()));
  94         }
  95
  96         g_arguments_list.reset(new ArgumentMap());
  97         int nArgs = 0;
  98         LPWSTR *szArglist = CommandLineToArgvW(GetCommandLineW(), &nArgs);
  99
 100         if(NULL != szArglist)
 101         {
 102                 const QChar separator = QLatin1Char('=');
 103                 const QString argPrefix = QLatin1String("--");
 104                 for(int i = 0; i < nArgs; i++)
 105                 {
 106                         const QString argStr = MUTILS_QSTR(szArglist[i]).trimmed();
 107                         if(argStr.startsWith(argPrefix))
 108                         {
 109                                 const QString argData = argStr.mid(2).trimmed();
 110                                 if(argData.length() > 0)
 111                                 {
 112                                         const int separatorIndex = argData.indexOf(separator);
 113                                         if(separatorIndex > 0)
 114                                         {
 115                                                 const QString argKey = argData.left(separatorIndex).trimmed();
 116                                                 const QString argVal = argData.mid(separatorIndex + 1).trimmed();
 117                                                 g_arguments_list->insertMulti(argKey.toLower(), argVal);
 118                                         }
 119                                         else
 120                                         {
 121                                                 g_arguments_list->insertMulti(argData.toLower(), QString());
 122                                         }
 123                                 }
 124                         }
 125                 }
 126                 LocalFree(szArglist);
 127         }
 128         else
 129         {
 130                 qWarning("CommandLineToArgvW() has failed !!!");
 131         }
 132
 133         return (*(g_arguments_list.data()));
 134 }
 135
 136 ///////////////////////////////////////////////////////////////////////////////
 137 // COPY FILE
 138 ///////////////////////////////////////////////////////////////////////////////
 139
 140 typedef struct _progress_callback_data_t
 141 {
 142         MUtils::OS::progress_callback_t callback_function;
 143         void *user_data;
 144 }
 145 progress_callback_data_t;
 146
 147 static DWORD __stdcall copy_file_progress(LARGE_INTEGER TotalFileSize, LARGE_INTEGER TotalBytesTransferred, LARGE_INTEGER StreamSize, LARGE_INTEGER StreamBytesTransferred, DWORD dwStreamNumber, DWORD dwCallbackReason, HANDLE hSourceFile, HANDLE hDestinationFile, LPVOID lpData)
 148 {
 149         if(const progress_callback_data_t *data = (progress_callback_data_t*) lpData)
 150         {
 151                 const double progress = qBound(0.0, double(TotalBytesTransferred.QuadPart) / double(TotalFileSize.QuadPart), 1.0);
 152                 return data->callback_function(progress, data->user_data) ? PROGRESS_CONTINUE : PROGRESS_CANCEL;
 153         }
 154         return PROGRESS_CONTINUE;
 155 }
 156
 157 MUTILS_API bool MUtils::OS::copy_file(const QString &sourcePath, const QString &outputPath, const bool &overwrite, const progress_callback_t callback, void *const userData)
 158 {
 159         progress_callback_data_t callback_data = { callback, userData };
 160         BOOL cancel = FALSE;
 161         const BOOL result = CopyFileExW(MUTILS_WCHR(QDir::toNativeSeparators(sourcePath)), MUTILS_WCHR(QDir::toNativeSeparators(outputPath)), ((callback_data.callback_function) ? copy_file_progress : NULL), ((callback_data.callback_function) ? &callback_data : NULL), &cancel, (overwrite ? 0 : COPY_FILE_FAIL_IF_EXISTS));
 162
 163         if(result == FALSE)
 164         {
 165                 const DWORD errorCode = GetLastError();
 166                 if(errorCode != ERROR_REQUEST_ABORTED)
 167                 {
 168                         qWarning("CopyFile() failed with error code 0x%08X!", errorCode);
 169                 }
 170                 else
 171                 {
 172                         qWarning("CopyFile() operation was abroted by user!");
 173                 }
 174         }
 175
 176         return (result != FALSE);
 177 }
 178
 179 ///////////////////////////////////////////////////////////////////////////////
 180 // GET FILE VERSION
 181 ///////////////////////////////////////////////////////////////////////////////
 182
 183 static bool get_file_version_helper(const QString fileName, PVOID buffer, const size_t &size, quint16 *const major, quint16 *const minor, quint16 *const patch, quint16 *const build)
 184 {
 185         if(!GetFileVersionInfo(MUTILS_WCHR(fileName), 0, size, buffer))
 186         {
 187                 qWarning("GetFileVersionInfo() has failed, file version cannot be determined!");
 188                 return false;
 189         }
 190
 191         VS_FIXEDFILEINFO *verInfo;
 192         UINT verInfoLen;
 193         if(!VerQueryValue(buffer, L"\\", (LPVOID*)(&verInfo), &verInfoLen))
 194         {
 195                 qWarning("VerQueryValue() has failed, file version cannot be determined!");
 196                 return false;
 197         }
 198
 199         if(major) *major = quint16((verInfo->dwFileVersionMS >> 16) & 0x0000FFFF);
 200         if(minor) *minor = quint16((verInfo->dwFileVersionMS)       & 0x0000FFFF);
 201         if(patch) *patch = quint16((verInfo->dwFileVersionLS >> 16) & 0x0000FFFF);
 202         if(build) *build = quint16((verInfo->dwFileVersionLS)       & 0x0000FFFF);
 203
 204         return true;
 205 }
 206
 207 bool MUtils::OS::get_file_version(const QString fileName, quint16 *const major, quint16 *const minor, quint16 *const patch, quint16 *const build)
 208 {
 209         if(major) *major = 0U; if(minor) *minor = 0U;
 210         if(patch) *patch = 0U; if(build) *build = 0U;
 211
 212         const DWORD size = GetFileVersionInfoSize(MUTILS_WCHR(fileName), NULL);
 213         if(size < 1)
 214         {
 215                 qWarning("GetFileVersionInfoSize() has failed, file version cannot be determined!");
 216                 return false;
 217         }
 218
 219         PVOID buffer = _malloca(size);
 220         if(!buffer)
 221         {
 222                 qWarning("Memory allocation has failed!");
 223                 return false;
 224         }
 225
 226         const bool success = get_file_version_helper(fileName, buffer, size, major, minor, patch, build);
 227
 228         _freea(buffer);
 229         return success;
 230 }
 231
 232 ///////////////////////////////////////////////////////////////////////////////
 233 // OS VERSION DETECTION
 234 ///////////////////////////////////////////////////////////////////////////////
 235
 236 static bool g_os_version_initialized = false;
 237 static MUtils::OS::Version::os_version_t g_os_version_info = MUtils::OS::Version::UNKNOWN_OPSYS;
 238 static QReadWriteLock g_os_version_lock;
 239
 240 //Maps marketing names to the actual Windows NT versions
 241 static const struct
 242 {
 243         MUtils::OS::Version::os_version_t version;
 244         const char friendlyName[64];
 245 }
 246 g_os_version_lut[] =
 247 {
 248         { MUtils::OS::Version::WINDOWS_WIN2K, "Windows 2000"                                  },        //2000
 249         { MUtils::OS::Version::WINDOWS_WINXP, "Windows XP or Windows XP Media Center Edition" },        //XP
 250         { MUtils::OS::Version::WINDOWS_XPX64, "Windows Server 2003 or Windows XP x64"         },        //XP_x64
 251         { MUtils::OS::Version::WINDOWS_VISTA, "Windows Vista or Windows Server 2008"          },        //Vista
 252         { MUtils::OS::Version::WINDOWS_WIN70, "Windows 7 or Windows Server 2008 R2"           },        //7
 253         { MUtils::OS::Version::WINDOWS_WIN80, "Windows 8 or Windows Server 2012"              },        //8
 254         { MUtils::OS::Version::WINDOWS_WIN81, "Windows 8.1 or Windows Server 2012 R2"         },        //8.1
 255         { MUtils::OS::Version::WINDOWS_WN100, "Windows 10 or Windows Server 2014 (Preview)"   },        //10
 256         { MUtils::OS::Version::UNKNOWN_OPSYS, "N/A" }
 257 };
 258
 259 //OS version data dtructures
 260 namespace MUtils
 261 {
 262         namespace OS
 263         {
 264                 namespace Version
 265                 {
 266                         //Comparision operators for os_version_t
 267                         bool os_version_t::operator== (const os_version_t &rhs) const { return (type == rhs.type) && (versionMajor == rhs.versionMajor) && ((versionMinor == rhs.versionMinor)); }
 268                         bool os_version_t::operator!= (const os_version_t &rhs) const { return (type != rhs.type) || (versionMajor != rhs.versionMajor) || ((versionMinor != rhs.versionMinor)); }
 269                         bool os_version_t::operator>  (const os_version_t &rhs) const { return (type == rhs.type) && ((versionMajor > rhs.versionMajor) || ((versionMajor == rhs.versionMajor) && (versionMinor >  rhs.versionMinor))); }
 270                         bool os_version_t::operator>= (const os_version_t &rhs) const { return (type == rhs.type) && ((versionMajor > rhs.versionMajor) || ((versionMajor == rhs.versionMajor) && (versionMinor >= rhs.versionMinor))); }
 271                         bool os_version_t::operator<  (const os_version_t &rhs) const { return (type == rhs.type) && ((versionMajor < rhs.versionMajor) || ((versionMajor == rhs.versionMajor) && (versionMinor <  rhs.versionMinor))); }
 272                         bool os_version_t::operator<= (const os_version_t &rhs) const { return (type == rhs.type) && ((versionMajor < rhs.versionMajor) || ((versionMajor == rhs.versionMajor) && (versionMinor <= rhs.versionMinor))); }
 273
 274                         //Known Windows NT versions
 275                         const os_version_t WINDOWS_WIN2K = { OS_WINDOWS,  5, 0 };       // 2000
 276                         const os_version_t WINDOWS_WINXP = { OS_WINDOWS,  5, 1 };       // XP
 277                         const os_version_t WINDOWS_XPX64 = { OS_WINDOWS,  5, 2 };       // XP_x64
 278                         const os_version_t WINDOWS_VISTA = { OS_WINDOWS,  6, 0 };       // Vista
 279                         const os_version_t WINDOWS_WIN70 = { OS_WINDOWS,  6, 1 };       // 7
 280                         const os_version_t WINDOWS_WIN80 = { OS_WINDOWS,  6, 2 };       // 8
 281                         const os_version_t WINDOWS_WIN81 = { OS_WINDOWS,  6, 3 };       // 8.1
 282                         const os_version_t WINDOWS_WN100 = { OS_WINDOWS, 10, 0 };       // 10
 283
 284                         //Unknown OS
 285                         const os_version_t UNKNOWN_OPSYS = { OS_UNKNOWN, 0, 0 };        // N/A
 286                 }
 287         }
 288 }
 289
 290 static bool verify_os_version(const DWORD major, const DWORD minor)
 291 {
 292         OSVERSIONINFOEXW osvi;
 293         DWORDLONG dwlConditionMask = 0;
 294
 295         //Initialize the OSVERSIONINFOEX structure
 296         memset(&osvi, 0, sizeof(OSVERSIONINFOEXW));
 297         osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
 298         osvi.dwMajorVersion = major;
 299         osvi.dwMinorVersion = minor;
 300         osvi.dwPlatformId = VER_PLATFORM_WIN32_NT;
 301
 302         //Initialize the condition mask
 303         VER_SET_CONDITION(dwlConditionMask, VER_MAJORVERSION, VER_GREATER_EQUAL);
 304         VER_SET_CONDITION(dwlConditionMask, VER_MINORVERSION, VER_GREATER_EQUAL);
 305         VER_SET_CONDITION(dwlConditionMask, VER_PLATFORMID,   VER_EQUAL);
 306
 307         // Perform the test
 308         const BOOL ret = VerifyVersionInfoW(&osvi, VER_MAJORVERSION | VER_MINORVERSION | VER_PLATFORMID, dwlConditionMask);
 309
 310         //Error checking
 311         if(!ret)
 312         {
 313                 if(GetLastError() != ERROR_OLD_WIN_VERSION)
 314                 {
 315                         qWarning("VerifyVersionInfo() system call has failed!");
 316                 }
 317         }
 318
 319         return (ret != FALSE);
 320 }
 321
 322 static bool get_real_os_version(unsigned int *major, unsigned int *minor, bool *pbOverride)
 323 {
 324         *major = *minor = 0;
 325         *pbOverride = false;
 326
 327         //Initialize local variables
 328         OSVERSIONINFOEXW osvi;
 329         memset(&osvi, 0, sizeof(OSVERSIONINFOEXW));
 330         osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
 331
 332         //Try GetVersionEx() first
 333         if(GetVersionExW((LPOSVERSIONINFOW)&osvi) == FALSE)
 334         {
 335                 qWarning("GetVersionEx() has failed, cannot detect Windows version!");
 336                 return false;
 337         }
 338
 339         //Make sure we are running on NT
 340         if(osvi.dwPlatformId == VER_PLATFORM_WIN32_NT)
 341         {
 342                 *major = osvi.dwMajorVersion;
 343                 *minor = osvi.dwMinorVersion;
 344         }
 345         else
 346         {
 347                 qWarning("Not running on Windows NT, unsupported operating system!");
 348                 return false;
 349         }
 350
 351         //Determine the real *major* version first
 352         forever
 353         {
 354                 const DWORD nextMajor = (*major) + 1;
 355                 if(verify_os_version(nextMajor, 0))
 356                 {
 357                         *pbOverride = true;
 358                         *major = nextMajor;
 359                         *minor = 0;
 360                         continue;
 361                 }
 362                 break;
 363         }
 364
 365         //Now also determine the real *minor* version
 366         forever
 367         {
 368                 const DWORD nextMinor = (*minor) + 1;
 369                 if(verify_os_version((*major), nextMinor))
 370                 {
 371                         *pbOverride = true;
 372                         *minor = nextMinor;
 373                         continue;
 374                 }
 375                 break;
 376         }
 377
 378         //Workaround for the mess that is sometimes referred to as "Windows 10"
 379         if(((*major) > 6) || (((*major) == 6) && ((*minor) >= 2)))
 380         {
 381                 quint16 kernel32_major, kernel32_minor;
 382                 if(MUtils::OS::get_file_version(QLatin1String("kernel32"), &kernel32_major, &kernel32_minor))
 383                 {
 384                         if((kernel32_major > (*major)) || ((kernel32_major == (*major)) && (kernel32_minor > (*minor))))
 385                         {
 386                                 *major = kernel32_major;
 387                                 *minor = kernel32_minor;
 388                                 *pbOverride = true;
 389                         }
 390                 }
 391         }
 392
 393         return true;
 394 }
 395
 396 const MUtils::OS::Version::os_version_t &MUtils::OS::os_version(void)
 397 {
 398         QReadLocker readLock(&g_os_version_lock);
 399
 400         //Already initialized?
 401         if(g_os_version_initialized)
 402         {
 403                 return g_os_version_info;
 404         }
 405
 406         readLock.unlock();
 407         QWriteLocker writeLock(&g_os_version_lock);
 408
 409         //Initialized now?
 410         if(g_os_version_initialized)
 411         {
 412                 return g_os_version_info;
 413         }
 414
 415         //Detect OS version
 416         unsigned int major, minor; bool overrideFlg;
 417         if(get_real_os_version(&major, &minor, &overrideFlg))
 418         {
 419                 g_os_version_info.type = Version::OS_WINDOWS;
 420                 g_os_version_info.versionMajor = major;
 421                 g_os_version_info.versionMinor = minor;
 422                 g_os_version_info.overrideFlag = overrideFlg;
 423         }
 424         else
 425         {
 426                 qWarning("Failed to determin the operating system version!");
 427         }
 428
 429         //Completed
 430         g_os_version_initialized = true;
 431         return g_os_version_info;
 432 }
 433
 434 const char *MUtils::OS::os_friendly_name(const MUtils::OS::Version::os_version_t &os_version)
 435 {
 436         for(size_t i = 0; g_os_version_lut[i].version != MUtils::OS::Version::UNKNOWN_OPSYS; i++)
 437         {
 438                 if(os_version == g_os_version_lut[i].version)
 439                 {
 440                         return g_os_version_lut[i].friendlyName;
 441                 }
 442         }
 443
 444         return NULL;
 445 }
 446
 447 ///////////////////////////////////////////////////////////////////////////////
 448 // WINE DETECTION
 449 ///////////////////////////////////////////////////////////////////////////////
 450
 451 static bool g_wine_deteced = false;
 452 static bool g_wine_initialized = false;
 453 static QReadWriteLock g_wine_lock;
 454
 455 static const bool detect_wine(void)
 456 {
 457         bool is_wine = false;
 458
 459         QLibrary ntdll("ntdll.dll");
 460         if(ntdll.load())
 461         {
 462                 if(ntdll.resolve("wine_nt_to_unix_file_name") != NULL) is_wine = true;
 463                 if(ntdll.resolve("wine_get_version")          != NULL) is_wine = true;
 464                 ntdll.unload();
 465         }
 466
 467         return is_wine;
 468 }
 469
 470 const bool &MUtils::OS::running_on_wine(void)
 471 {
 472         QReadLocker readLock(&g_wine_lock);
 473
 474         //Already initialized?
 475         if(g_wine_initialized)
 476         {
 477                 return g_wine_deteced;
 478         }
 479
 480         readLock.unlock();
 481         QWriteLocker writeLock(&g_wine_lock);
 482
 483         //Initialized now?
 484         if(g_wine_initialized)
 485         {
 486                 return g_wine_deteced;
 487         }
 488
 489         //Try to detect Wine
 490         g_wine_deteced = detect_wine();
 491         g_wine_initialized = true;
 492
 493         return g_wine_deteced;
 494 }
 495
 496 ///////////////////////////////////////////////////////////////////////////////
 497 // KNWON FOLDERS
 498 ///////////////////////////////////////////////////////////////////////////////
 499
 500 typedef QMap<size_t, QString> KFMap;
 501 typedef HRESULT (WINAPI *SHGetKnownFolderPath_t)(const GUID &rfid, DWORD dwFlags, HANDLE hToken, PWSTR *ppszPath);
 502 typedef HRESULT (WINAPI *SHGetFolderPath_t)(HWND hwndOwner, int nFolder, HANDLE hToken, DWORD dwFlags, LPWSTR pszPath);
 503
 504 static QScopedPointer<KFMap>  g_known_folders_map;
 505 static SHGetKnownFolderPath_t g_known_folders_fpGetKnownFolderPath;
 506 static SHGetFolderPath_t      g_known_folders_fpGetFolderPath;
 507 static QReadWriteLock         g_known_folders_lock;
 508
 509 const QString &MUtils::OS::known_folder(known_folder_t folder_id)
 510 {
 511         typedef enum { KF_FLAG_CREATE = 0x00008000 } kf_flags_t;
 512
 513         struct
 514         {
 515                 const int csidl;
 516                 const GUID guid;
 517         }
 518         static s_folders[] =
 519         {
 520                 { 0x001c, {0xF1B32785,0x6FBA,0x4FCF,{0x9D,0x55,0x7B,0x8E,0x7F,0x15,0x70,0x91}} },  //CSIDL_LOCAL_APPDATA
 521                 { 0x0026, {0x905e63b6,0xc1bf,0x494e,{0xb2,0x9c,0x65,0xb7,0x32,0xd3,0xd2,0x1a}} },  //CSIDL_PROGRAM_FILES
 522                 { 0x0024, {0xF38BF404,0x1D43,0x42F2,{0x93,0x05,0x67,0xDE,0x0B,0x28,0xFC,0x23}} },  //CSIDL_WINDOWS_FOLDER
 523                 { 0x0025, {0x1AC14E77,0x02E7,0x4E5D,{0xB7,0x44,0x2E,0xB1,0xAE,0x51,0x98,0xB7}} },  //CSIDL_SYSTEM_FOLDER
 524         };
 525
 526         size_t folderId = size_t(-1);
 527
 528         switch(folder_id)
 529         {
 530                 case FOLDER_LOCALAPPDATA: folderId = 0; break;
 531                 case FOLDER_PROGRAMFILES: folderId = 1; break;
 532                 case FOLDER_SYSTROOT_DIR: folderId = 2; break;
 533                 case FOLDER_SYSTEMFOLDER: folderId = 3; break;
 534         }
 535
 536         if(folderId == size_t(-1))
 537         {
 538                 qWarning("Invalid 'known' folder was requested!");
 539                 return *reinterpret_cast<QString*>(NULL);
 540         }
 541
 542         QReadLocker readLock(&g_known_folders_lock);
 543
 544         //Already in cache?
 545         if(!g_known_folders_map.isNull())
 546         {
 547                 if(g_known_folders_map->contains(folderId))
 548                 {
 549                         return g_known_folders_map->operator[](folderId);
 550                 }
 551         }
 552
 553         //Obtain write lock to initialize
 554         readLock.unlock();
 555         QWriteLocker writeLock(&g_known_folders_lock);
 556
 557         //Still not in cache?
 558         if(!g_known_folders_map.isNull())
 559         {
 560                 if(g_known_folders_map->contains(folderId))
 561                 {
 562                         return g_known_folders_map->operator[](folderId);
 563                 }
 564         }
 565
 566         //Initialize on first call
 567         if(g_known_folders_map.isNull())
 568         {
 569                 QLibrary shell32("shell32.dll");
 570                 if(shell32.load())
 571                 {
 572                         g_known_folders_fpGetFolderPath =      (SHGetFolderPath_t)      shell32.resolve("SHGetFolderPathW");
 573                         g_known_folders_fpGetKnownFolderPath = (SHGetKnownFolderPath_t) shell32.resolve("SHGetKnownFolderPath");
 574                 }
 575                 g_known_folders_map.reset(new QMap<size_t, QString>());
 576         }
 577
 578         QString folderPath;
 579
 580         //Now try to get the folder path!
 581         if(g_known_folders_fpGetKnownFolderPath)
 582         {
 583                 WCHAR *path = NULL;
 584                 if(g_known_folders_fpGetKnownFolderPath(s_folders[folderId].guid, KF_FLAG_CREATE, NULL, &path) == S_OK)
 585                 {
 586                         //MessageBoxW(0, path, L"SHGetKnownFolderPath", MB_TOPMOST);
 587                         QDir folderTemp = QDir(QDir::fromNativeSeparators(MUTILS_QSTR(path)));
 588                         if(folderTemp.exists())
 589                         {
 590                                 folderPath = folderTemp.canonicalPath();
 591                         }
 592                         CoTaskMemFree(path);
 593                 }
 594         }
 595         else if(g_known_folders_fpGetFolderPath)
 596         {
 597                 QScopedArrayPointer<WCHAR> path(new WCHAR[4096]);
 598                 if(g_known_folders_fpGetFolderPath(NULL, s_folders[folderId].csidl | CSIDL_FLAG_CREATE, NULL, NULL, path.data()) == S_OK)
 599                 {
 600                         //MessageBoxW(0, path, L"SHGetFolderPathW", MB_TOPMOST);
 601                         QDir folderTemp = QDir(QDir::fromNativeSeparators(MUTILS_QSTR(path.data())));
 602                         if(folderTemp.exists())
 603                         {
 604                                 folderPath = folderTemp.canonicalPath();
 605                         }
 606                 }
 607         }
 608
 609         //Update cache
 610         g_known_folders_map->insert(folderId, folderPath);
 611         return g_known_folders_map->operator[](folderId);
 612 }
 613
 614 ///////////////////////////////////////////////////////////////////////////////
 615 // CURRENT DATA & TIME
 616 ///////////////////////////////////////////////////////////////////////////////
 617
 618 QDate MUtils::OS::current_date(void)
 619 {
 620         const DWORD MAX_PROC = 1024;
 621         QScopedArrayPointer<DWORD> processes(new DWORD[MAX_PROC]);
 622         DWORD bytesReturned = 0;
 623
 624         if(!EnumProcesses(processes.data(), sizeof(DWORD) * MAX_PROC, &bytesReturned))
 625         {
 626                 return QDate::currentDate();
 627         }
 628
 629         const DWORD procCount = bytesReturned / sizeof(DWORD);
 630         ULARGE_INTEGER lastStartTime;
 631         memset(&lastStartTime, 0, sizeof(ULARGE_INTEGER));
 632
 633         for(DWORD i = 0; i < procCount; i++)
 634         {
 635                 if(HANDLE hProc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, processes[i]))
 636                 {
 637                         FILETIME processTime[4];
 638                         if(GetProcessTimes(hProc, &processTime[0], &processTime[1], &processTime[2], &processTime[3]))
 639                         {
 640                                 ULARGE_INTEGER timeCreation;
 641                                 timeCreation.LowPart  = processTime[0].dwLowDateTime;
 642                                 timeCreation.HighPart = processTime[0].dwHighDateTime;
 643                                 if(timeCreation.QuadPart > lastStartTime.QuadPart)
 644                                 {
 645                                         lastStartTime.QuadPart = timeCreation.QuadPart;
 646                                 }
 647                         }
 648                         CloseHandle(hProc);
 649                 }
 650         }
 651
 652         FILETIME lastStartTime_fileTime;
 653         lastStartTime_fileTime.dwHighDateTime = lastStartTime.HighPart;
 654         lastStartTime_fileTime.dwLowDateTime  = lastStartTime.LowPart;
 655
 656         FILETIME lastStartTime_localTime;
 657         if(!FileTimeToLocalFileTime(&lastStartTime_fileTime, &lastStartTime_localTime))
 658         {
 659                 memcpy(&lastStartTime_localTime, &lastStartTime_fileTime, sizeof(FILETIME));
 660         }
 661
 662         SYSTEMTIME lastStartTime_system;
 663         if(!FileTimeToSystemTime(&lastStartTime_localTime, &lastStartTime_system))
 664         {
 665                 memset(&lastStartTime_system, 0, sizeof(SYSTEMTIME));
 666                 lastStartTime_system.wYear = 1970; lastStartTime_system.wMonth = lastStartTime_system.wDay = 1;
 667         }
 668
 669         const QDate currentDate = QDate::currentDate();
 670         const QDate processDate = QDate(lastStartTime_system.wYear, lastStartTime_system.wMonth, lastStartTime_system.wDay);
 671         return (currentDate >= processDate) ? currentDate : processDate;
 672 }
 673
 674 quint64 MUtils::OS::current_file_time(void)
 675 {
 676         FILETIME fileTime;
 677         GetSystemTimeAsFileTime(&fileTime);
 678
 679         ULARGE_INTEGER temp;
 680         temp.HighPart = fileTime.dwHighDateTime;
 681         temp.LowPart = fileTime.dwLowDateTime;
 682
 683         return temp.QuadPart;
 684 }
 685
 686 ///////////////////////////////////////////////////////////////////////////////
 687 // PROCESS ELEVATION
 688 ///////////////////////////////////////////////////////////////////////////////
 689
 690 static bool user_is_admin_helper(void)
 691 {
 692         HANDLE hToken = NULL;
 693         if(!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken))
 694         {
 695                 return false;
 696         }
 697
 698         DWORD dwSize = 0;
 699         if(!GetTokenInformation(hToken, TokenGroups, NULL, 0, &dwSize))
 700         {
 701                 if(GetLastError() != ERROR_INSUFFICIENT_BUFFER)
 702                 {
 703                         CloseHandle(hToken);
 704                         return false;
 705                 }
 706         }
 707
 708         PTOKEN_GROUPS lpGroups = (PTOKEN_GROUPS) malloc(dwSize);
 709         if(!lpGroups)
 710         {
 711                 CloseHandle(hToken);
 712                 return false;
 713         }
 714
 715         if(!GetTokenInformation(hToken, TokenGroups, lpGroups, dwSize, &dwSize))
 716         {
 717                 free(lpGroups);
 718                 CloseHandle(hToken);
 719                 return false;
 720         }
 721
 722         PSID lpSid = NULL; SID_IDENTIFIER_AUTHORITY Authority = {SECURITY_NT_AUTHORITY};
 723         if(!AllocateAndInitializeSid(&Authority, 2, SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_ALIAS_RID_ADMINS, 0, 0, 0, 0, 0, 0, &lpSid))
 724         {
 725                 free(lpGroups);
 726                 CloseHandle(hToken);
 727                 return false;
 728         }
 729
 730         bool bResult = false;
 731         for(DWORD i = 0; i < lpGroups->GroupCount; i++)
 732         {
 733                 if(EqualSid(lpSid, lpGroups->Groups[i].Sid))
 734                 {
 735                         bResult = true;
 736                         break;
 737                 }
 738         }
 739
 740         FreeSid(lpSid);
 741         free(lpGroups);
 742         CloseHandle(hToken);
 743         return bResult;
 744 }
 745
 746 bool MUtils::OS::is_elevated(bool *bIsUacEnabled)
 747 {
 748         if(bIsUacEnabled)
 749         {
 750                 *bIsUacEnabled = false;
 751         }
 752
 753         bool bIsProcessElevated = false;
 754         HANDLE hToken = NULL;
 755
 756         if(OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken))
 757         {
 758                 TOKEN_ELEVATION_TYPE tokenElevationType;
 759                 DWORD returnLength;
 760                 if(GetTokenInformation(hToken, TokenElevationType, &tokenElevationType, sizeof(TOKEN_ELEVATION_TYPE), &returnLength))
 761                 {
 762                         if(returnLength == sizeof(TOKEN_ELEVATION_TYPE))
 763                         {
 764                                 switch(tokenElevationType)
 765                                 {
 766                                 case TokenElevationTypeDefault:
 767                                         qDebug("Process token elevation type: Default -> UAC is disabled.\n");
 768                                         break;
 769                                 case TokenElevationTypeFull:
 770                                         qWarning("Process token elevation type: Full -> potential security risk!\n");
 771                                         bIsProcessElevated = true;
 772                                         if(bIsUacEnabled) *bIsUacEnabled = true;
 773                                         break;
 774                                 case TokenElevationTypeLimited:
 775                                         qDebug("Process token elevation type: Limited -> not elevated.\n");
 776                                         if(bIsUacEnabled) *bIsUacEnabled = true;
 777                                         break;
 778                                 default:
 779                                         qWarning("Unknown tokenElevationType value: %d", tokenElevationType);
 780                                         break;
 781                                 }
 782                         }
 783                         else
 784                         {
 785                                 qWarning("GetTokenInformation() return an unexpected size!");
 786                         }
 787                 }
 788                 CloseHandle(hToken);
 789         }
 790         else
 791         {
 792                 qWarning("Failed to open process token!");
 793         }
 794
 795         return bIsProcessElevated;
 796 }
 797
 798 bool MUtils::OS::user_is_admin(void)
 799 {
 800         bool isAdmin = false;
 801
 802         //Check for process elevation and UAC support first!
 803         if(MUtils::OS::is_elevated(&isAdmin))
 804         {
 805                 qWarning("Process is elevated -> user is admin!");
 806                 return true;
 807         }
 808
 809         //If not elevated and UAC is not available -> user must be in admin group!
 810         if(!isAdmin)
 811         {
 812                 qDebug("UAC is disabled/unavailable -> checking for Administrators group");
 813                 isAdmin = user_is_admin_helper();
 814         }
 815
 816         return isAdmin;
 817 }
 818
 819 ///////////////////////////////////////////////////////////////////////////////
 820 // NETWORK STATE
 821 ///////////////////////////////////////////////////////////////////////////////
 822
 823 int MUtils::OS::network_status(void)
 824 {
 825         DWORD dwFlags;
 826         const BOOL ret = IsNetworkAlive(&dwFlags);
 827         if(GetLastError() == 0)
 828         {
 829                 return (ret != FALSE) ? NETWORK_TYPE_YES : NETWORK_TYPE_NON;
 830         }
 831         return NETWORK_TYPE_ERR;
 832 }
 833
 834 ///////////////////////////////////////////////////////////////////////////////
 835 // MESSAGE HANDLER
 836 ///////////////////////////////////////////////////////////////////////////////
 837
 838 bool MUtils::OS::handle_os_message(const void *const message, long *result)
 839 {
 840         const MSG *const msg = reinterpret_cast<const MSG*>(message);
 841
 842         switch(msg->message)
 843         {
 844         case WM_QUERYENDSESSION:
 845                 qWarning("WM_QUERYENDSESSION message received!");
 846                 *result = MUtils::GUI::broadcast(MUtils::GUI::USER_EVENT_QUERYENDSESSION, false) ? TRUE : FALSE;
 847                 return true;
 848         case WM_ENDSESSION:
 849                 qWarning("WM_ENDSESSION message received!");
 850                 if(msg->wParam == TRUE)
 851                 {
 852                         MUtils::GUI::broadcast(MUtils::GUI::USER_EVENT_ENDSESSION, false);
 853                         MUtils::GUI::force_quit();
 854                         exit(1);
 855                 }
 856                 *result = 0;
 857                 return true;
 858         default:
 859                 /*ignore this message and let Qt handle it*/
 860                 return false;
 861         }
 862 }
 863
 864 ///////////////////////////////////////////////////////////////////////////////
 865 // SLEEP
 866 ///////////////////////////////////////////////////////////////////////////////
 867
 868 void MUtils::OS::sleep_ms(const size_t &duration)
 869 {
 870         Sleep((DWORD) duration);
 871 }
 872
 873 ///////////////////////////////////////////////////////////////////////////////
 874 // EXECUTABLE CHECK
 875 ///////////////////////////////////////////////////////////////////////////////
 876
 877 bool MUtils::OS::is_executable_file(const QString &path)
 878 {
 879         bool bIsExecutable = false;
 880         DWORD binaryType;
 881         if(GetBinaryType(MUTILS_WCHR(QDir::toNativeSeparators(path)), &binaryType))
 882         {
 883                 bIsExecutable = (binaryType == SCS_32BIT_BINARY || binaryType == SCS_64BIT_BINARY);
 884         }
 885         return bIsExecutable;
 886 }
 887
 888 ///////////////////////////////////////////////////////////////////////////////
 889 // HIBERNATION / SHUTDOWN
 890 ///////////////////////////////////////////////////////////////////////////////
 891
 892 bool MUtils::OS::is_hibernation_supported(void)
 893 {
 894         bool hibernationSupported = false;
 895
 896         SYSTEM_POWER_CAPABILITIES pwrCaps;
 897         SecureZeroMemory(&pwrCaps, sizeof(SYSTEM_POWER_CAPABILITIES));
 898
 899         if(GetPwrCapabilities(&pwrCaps))
 900         {
 901                 hibernationSupported = pwrCaps.SystemS4 && pwrCaps.HiberFilePresent;
 902         }
 903
 904         return hibernationSupported;
 905 }
 906
 907 bool MUtils::OS::shutdown_computer(const QString &message, const unsigned long timeout, const bool forceShutdown, const bool hibernate)
 908 {
 909         HANDLE hToken = NULL;
 910
 911         if(OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken))
 912         {
 913                 TOKEN_PRIVILEGES privileges;
 914                 memset(&privileges, 0, sizeof(TOKEN_PRIVILEGES));
 915                 privileges.PrivilegeCount = 1;
 916                 privileges.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
 917
 918                 if(LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME, &privileges.Privileges[0].Luid))
 919                 {
 920                         if(AdjustTokenPrivileges(hToken, FALSE, &privileges, NULL, NULL, NULL))
 921                         {
 922                                 if(hibernate)
 923                                 {
 924                                         if(SetSuspendState(TRUE, TRUE, TRUE))
 925                                         {
 926                                                 return true;
 927                                         }
 928                                 }
 929                                 const DWORD reason = SHTDN_REASON_MAJOR_APPLICATION | SHTDN_REASON_FLAG_PLANNED;
 930                                 return InitiateSystemShutdownEx(NULL, const_cast<wchar_t*>(MUTILS_WCHR(message)), timeout, forceShutdown ? TRUE : FALSE, FALSE, reason);
 931                         }
 932                 }
 933         }
 934
 935         return false;
 936 }
 937
 938 ///////////////////////////////////////////////////////////////////////////////
 939 // FREE DISKSPACE
 940 ///////////////////////////////////////////////////////////////////////////////
 941
 942 bool MUtils::OS::free_diskspace(const QString &path, quint64 &freeSpace)
 943 {
 944         ULARGE_INTEGER freeBytesAvailable, totalNumberOfBytes, totalNumberOfFreeBytes;
 945         if(GetDiskFreeSpaceExW(reinterpret_cast<const wchar_t*>(QDir::toNativeSeparators(path).utf16()), &freeBytesAvailable, &totalNumberOfBytes, &totalNumberOfFreeBytes))
 946         {
 947                 freeSpace = freeBytesAvailable.QuadPart;
 948                 return true;;
 949         }
 950
 951         freeSpace = -1;
 952         return false;
 953 }
 954
 955 ///////////////////////////////////////////////////////////////////////////////
 956 // SHELL OPEN
 957 ///////////////////////////////////////////////////////////////////////////////
 958
 959 bool MUtils::OS::shell_open(const QWidget *parent, const QString &url, const QString &parameters, const QString &directory, const bool explore)
 960 {
 961         return ((int) ShellExecuteW((parent ? parent->winId() : NULL), (explore ? L"explore" : L"open"), MUTILS_WCHR(url), ((!parameters.isEmpty()) ? MUTILS_WCHR(parameters) : NULL), ((!directory.isEmpty()) ? MUTILS_WCHR(directory) : NULL), SW_SHOW)) > 32;
 962 }
 963
 964 bool MUtils::OS::shell_open(const QWidget *parent, const QString &url, const bool explore)
 965 {
 966         return shell_open(parent, url, QString(), QString(), explore);
 967 }
 968
 969 ///////////////////////////////////////////////////////////////////////////////
 970 // OPEN MEDIA FILE
 971 ///////////////////////////////////////////////////////////////////////////////
 972
 973 bool MUtils::OS::open_media_file(const QString &mediaFilePath)
 974 {
 975         const static wchar_t *registryPrefix[2] = { L"SOFTWARE\\", L"SOFTWARE\\Wow6432Node\\" };
 976         const static wchar_t *registryKeys[3] =
 977         {
 978                 L"Microsoft\\Windows\\CurrentVersion\\Uninstall\\{97D341C8-B0D1-4E4A-A49A-C30B52F168E9}",
 979                 L"Microsoft\\Windows\\CurrentVersion\\Uninstall\\{DB9E4EAB-2717-499F-8D56-4CC8A644AB60}",
 980                 L"foobar2000"
 981         };
 982         const static wchar_t *appNames[4] = { L"smplayer_portable.exe", L"smplayer.exe", L"MPUI.exe", L"foobar2000.exe" };
 983         const static wchar_t *valueNames[2] = { L"InstallLocation", L"InstallDir" };
 984
 985         for(size_t i = 0; i < 3; i++)
 986         {
 987                 for(size_t j = 0; j < 2; j++)
 988                 {
 989                         QString mplayerPath;
 990                         HKEY registryKeyHandle = NULL;
 991
 992                         const QString currentKey = MUTILS_QSTR(registryPrefix[j]).append(MUTILS_QSTR(registryKeys[i]));
 993                         if(RegOpenKeyExW(HKEY_LOCAL_MACHINE, MUTILS_WCHR(currentKey), 0, KEY_READ, &registryKeyHandle) == ERROR_SUCCESS)
 994                         {
 995                                 for(size_t k = 0; k < 2; k++)
 996                                 {
 997                                         wchar_t Buffer[4096];
 998                                         DWORD BuffSize = sizeof(wchar_t*) * 4096;
 999                                         DWORD DataType = REG_NONE;
1000                                         if(RegQueryValueExW(registryKeyHandle, valueNames[k], 0, &DataType, reinterpret_cast<BYTE*>(Buffer), &BuffSize) == ERROR_SUCCESS)
1001                                         {
1002                                                 if((DataType == REG_SZ) || (DataType == REG_EXPAND_SZ) || (DataType == REG_LINK))
1003                                                 {
1004                                                         mplayerPath = MUTILS_QSTR(Buffer);
1005                                                         break;
1006                                                 }
1007                                         }
1008                                 }
1009                                 RegCloseKey(registryKeyHandle);
1010                         }
1011
1012                         if(!mplayerPath.isEmpty())
1013                         {
1014                                 QDir mplayerDir(mplayerPath);
1015                                 if(mplayerDir.exists())
1016                                 {
1017                                         for(size_t k = 0; k < 4; k++)
1018                                         {
1019                                                 if(mplayerDir.exists(MUTILS_QSTR(appNames[k])))
1020                                                 {
1021                                                         qDebug("Player found at:\n%s\n", MUTILS_UTF8(mplayerDir.absoluteFilePath(MUTILS_QSTR(appNames[k]))));
1022                                                         QProcess::startDetached(mplayerDir.absoluteFilePath(MUTILS_QSTR(appNames[k])), QStringList() << QDir::toNativeSeparators(mediaFilePath));
1023                                                         return true;
1024                                                 }
1025                                         }
1026                                 }
1027                         }
1028                 }
1029         }
1030         return false;
1031 }
1032
1033 ///////////////////////////////////////////////////////////////////////////////
1034 // DEBUGGER CHECK
1035 ///////////////////////////////////////////////////////////////////////////////
1036
1037 static bool change_process_priority_helper(const HANDLE hProcess, const int priority)
1038 {
1039         bool ok = false;
1040
1041         switch(qBound(-2, priority, 2))
1042         {
1043         case 2:
1044                 ok = (SetPriorityClass(hProcess, HIGH_PRIORITY_CLASS) == TRUE);
1045                 break;
1046         case 1:
1047                 if(!(ok = (SetPriorityClass(hProcess, ABOVE_NORMAL_PRIORITY_CLASS) == TRUE)))
1048                 {
1049                         ok = (SetPriorityClass(hProcess, HIGH_PRIORITY_CLASS) == TRUE);
1050                 }
1051                 break;
1052         case 0:
1053                 ok = (SetPriorityClass(hProcess, NORMAL_PRIORITY_CLASS) == TRUE);
1054                 break;
1055         case -1:
1056                 if(!(ok = (SetPriorityClass(hProcess, BELOW_NORMAL_PRIORITY_CLASS) == TRUE)))
1057                 {
1058                         ok = (SetPriorityClass(hProcess, IDLE_PRIORITY_CLASS) == TRUE);
1059                 }
1060                 break;
1061         case -2:
1062                 ok = (SetPriorityClass(hProcess, IDLE_PRIORITY_CLASS) == TRUE);
1063                 break;
1064         }
1065
1066         return ok;
1067 }
1068
1069 bool MUtils::OS::change_process_priority(const int priority)
1070 {
1071         return change_process_priority_helper(GetCurrentProcess(), priority);
1072 }
1073
1074 bool MUtils::OS::change_process_priority(const QProcess *proc, const int priority)
1075 {
1076         if(Q_PID qPid = proc->pid())
1077         {
1078                 return change_process_priority_helper(qPid->hProcess, priority);
1079         }
1080         else
1081         {
1082                 return false;
1083         }
1084 }
1085
1086 ///////////////////////////////////////////////////////////////////////////////
1087 // PROCESS ID
1088 ///////////////////////////////////////////////////////////////////////////////
1089
1090 quint32 MUtils::OS::process_id(const QProcess *const proc)
1091 {
1092         PROCESS_INFORMATION *procInf = proc->pid();
1093         return (procInf) ? procInf->dwProcessId : NULL;
1094 }
1095
1096 ///////////////////////////////////////////////////////////////////////////////
1097 // PROCESS SUSPEND/RESUME
1098 ///////////////////////////////////////////////////////////////////////////////
1099
1100 bool MUtils::OS::suspend_process(const QProcess *proc, const bool suspend)
1101 {
1102         if(Q_PID pid = proc->pid())
1103         {
1104                 if(suspend)
1105                 {
1106                         return (SuspendThread(pid->hThread) != ((DWORD) -1));
1107                 }
1108                 else
1109                 {
1110                         return (ResumeThread(pid->hThread)  != ((DWORD) -1));
1111                 }
1112         }
1113         else
1114         {
1115                 return false;
1116         }
1117 }
1118
1119 ///////////////////////////////////////////////////////////////////////////////
1120 // SYSTEM TIMER
1121 ///////////////////////////////////////////////////////////////////////////////
1122
1123 bool MUtils::OS::setup_timer_resolution(const quint32 &interval)
1124 {
1125         return timeBeginPeriod(interval) == TIMERR_NOERROR;
1126 }
1127
1128 bool MUtils::OS::reset_timer_resolution(const quint32 &interval)
1129 {
1130         return timeEndPeriod(interval) == TIMERR_NOERROR;
1131 }
1132
1133 ///////////////////////////////////////////////////////////////////////////////
1134 // CHECK KEY STATE
1135 ///////////////////////////////////////////////////////////////////////////////
1136
1137 bool MUtils::OS::check_key_state_esc(void)
1138 {
1139         return (GetAsyncKeyState(VK_ESCAPE) & 0x0001) != 0;
1140 }
1141
1142 ///////////////////////////////////////////////////////////////////////////////
1143 // SHELL CHANGE NOTIFICATION
1144 ///////////////////////////////////////////////////////////////////////////////
1145
1146 void MUtils::OS::shell_change_notification(void)
1147 {
1148         SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST, NULL, NULL);
1149 }
1150
1151 ///////////////////////////////////////////////////////////////////////////////
1152 // WOW64 REDIRECTION
1153 ///////////////////////////////////////////////////////////////////////////////
1154
1155 typedef BOOL (_stdcall *Wow64DisableWow64FsRedirectionFun)(void *OldValue);
1156 typedef BOOL (_stdcall *Wow64RevertWow64FsRedirectionFun )(void *OldValue);
1157
1158 static QReadWriteLock                    g_wow64redir_lock;
1159 static QScopedPointer<QLibrary>          g_wow64redir_kernel32;
1160 static Wow64DisableWow64FsRedirectionFun g_wow64redir_disable = NULL;
1161 static Wow64RevertWow64FsRedirectionFun  g_wow64redir_revert  = NULL;
1162
1163 static bool wow64fsredir_init()
1164 {
1165         QWriteLocker writeLock(&g_wow64redir_lock);
1166         if(g_wow64redir_disable && g_wow64redir_revert)
1167         {
1168                 return true; /*already initialized*/
1169         }
1170
1171         if(g_wow64redir_kernel32.isNull())
1172         {
1173                 g_wow64redir_kernel32.reset(new QLibrary("kernel32.dll"));
1174         }
1175
1176         if(!g_wow64redir_kernel32->isLoaded())
1177         {
1178                 if(!g_wow64redir_kernel32->load())
1179                 {
1180                         return false; /*faild to load kernel32.dll*/
1181                 }
1182         }
1183
1184         g_wow64redir_disable = (Wow64DisableWow64FsRedirectionFun) g_wow64redir_kernel32->resolve("Wow64DisableWow64FsRedirection");
1185         g_wow64redir_revert  = (Wow64RevertWow64FsRedirectionFun)  g_wow64redir_kernel32->resolve("Wow64RevertWow64FsRedirection");
1186
1187         return (g_wow64redir_disable && g_wow64redir_revert);
1188 }
1189
1190 #define WOW64FSREDIR_INIT(RDLOCK) do \
1191 { \
1192         while(!(g_wow64redir_disable && g_wow64redir_revert)) \
1193         { \
1194                 (RDLOCK).unlock(); \
1195                 if(!wow64fsredir_init()) return false; \
1196                 (RDLOCK).relock(); \
1197         } \
1198 } \
1199 while(0)
1200
1201 bool MUtils::OS::wow64fsredir_disable(void *oldValue)
1202 {
1203         QReadLocker readLock(&g_wow64redir_lock);
1204         WOW64FSREDIR_INIT(readLock);
1205         if(g_wow64redir_disable(oldValue))
1206         {
1207                 return true;
1208         }
1209         return false;
1210 }
1211
1212 bool MUtils::OS::wow64fsredir_revert(void *oldValue)
1213 {
1214         QReadLocker readLock(&g_wow64redir_lock);
1215         WOW64FSREDIR_INIT(readLock);
1216         if(g_wow64redir_revert(oldValue))
1217         {
1218                 return true;
1219         }
1220         return false;
1221 }
1222
1223 ///////////////////////////////////////////////////////////////////////////////
1224 // DEBUGGER CHECK
1225 ///////////////////////////////////////////////////////////////////////////////
1226
1227 #if (!(MUTILS_DEBUG))
1228 static __forceinline bool is_debugger_present(void)
1229 {
1230         __try
1231         {
1232                 CloseHandle((HANDLE)((DWORD_PTR)-3));
1233         }
1234         __except(1)
1235         {
1236                 return true;
1237         }
1238
1239         BOOL bHaveDebugger = FALSE;
1240         if(CheckRemoteDebuggerPresent(GetCurrentProcess(), &bHaveDebugger))
1241         {
1242                 if(bHaveDebugger) return true;
1243         }
1244
1245         return IsDebuggerPresent();
1246 }
1247 static __forceinline bool check_debugger_helper(void)
1248 {
1249         if(is_debugger_present())
1250         {
1251                 MUtils::OS::fatal_exit(L"Not a debug build. Please unload debugger and try again!");
1252                 return true;
1253         }
1254         return false;
1255 }
1256 #else
1257 #define check_debugger_helper() (false)
1258 #endif
1259
1260 void MUtils::OS::check_debugger(void)
1261 {
1262         check_debugger_helper();
1263 }
1264
1265 static volatile bool g_debug_check = check_debugger_helper();
1266
1267 ///////////////////////////////////////////////////////////////////////////////
1268 // FATAL EXIT
1269 ///////////////////////////////////////////////////////////////////////////////
1270
1271 static MUtils::Internal::CriticalSection g_fatal_exit_lock;
1272 static volatile bool g_fatal_exit_flag = true;
1273
1274 static DWORD WINAPI fatal_exit_helper(LPVOID lpParameter)
1275 {
1276         MUtils::OS::system_message_err(L"GURU MEDITATION", (LPWSTR) lpParameter);
1277         return 0;
1278 }
1279
1280 void MUtils::OS::fatal_exit(const wchar_t* const errorMessage)
1281 {
1282         g_fatal_exit_lock.enter();
1283
1284         if(!g_fatal_exit_flag)
1285         {
1286                 return; /*prevent recursive invocation*/
1287         }
1288
1289         g_fatal_exit_flag = false;
1290
1291         if(g_main_thread_id != GetCurrentThreadId())
1292         {
1293                 if(HANDLE hThreadMain = OpenThread(THREAD_SUSPEND_RESUME, FALSE, g_main_thread_id))
1294                 {
1295                         SuspendThread(hThreadMain); /*stop main thread*/
1296                 }
1297         }
1298
1299         if(HANDLE hThread = CreateThread(NULL, 0, fatal_exit_helper, (LPVOID) errorMessage, 0, NULL))
1300         {
1301                 WaitForSingleObject(hThread, INFINITE);
1302         }
1303
1304         for(;;)
1305         {
1306                 TerminateProcess(GetCurrentProcess(), 666);
1307         }
1308 }
1309
1310 ///////////////////////////////////////////////////////////////////////////////