src/OSSupport_Win32.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // MuldeR's Utilities for Qt
   3 // Copyright (C) 2004-2016 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 #pragma warning(push)
  31 #pragma warning(disable:4091) //for MSVC2015
  32 #include <ShlObj.h>
  33 #pragma warning(pop)
  34
  35 //CRT
  36 #include <io.h>
  37
  38 //Internal
  39 #include <MUtils/Global.h>
  40 #include <MUtils/OSSupport.h>
  41 #include <MUtils/GUI.h>
  42 #include "CriticalSection_Win32.h"
  43 #include "Utils_Win32.h"
  44
  45 //Qt
  46 #include <QMap>
  47 #include <QReadWriteLock>
  48 #include <QDir>
  49 #include <QWidget>
  50 #include <QProcess>
  51
  52 //Main thread ID
  53 static const DWORD g_main_thread_id = GetCurrentThreadId();
  54
  55 ///////////////////////////////////////////////////////////////////////////////
  56 // SYSTEM MESSAGE
  57 ///////////////////////////////////////////////////////////////////////////////
  58
  59 static const UINT g_msgBoxFlags = MB_TOPMOST | MB_TASKMODAL | MB_SETFOREGROUND;
  60
  61 void MUtils::OS::system_message_nfo(const wchar_t *const title, const wchar_t *const text)
  62 {
  63         MessageBoxW(NULL, text, title, g_msgBoxFlags | MB_ICONINFORMATION);
  64 }
  65
  66 void MUtils::OS::system_message_wrn(const wchar_t *const title, const wchar_t *const text)
  67 {
  68         MessageBoxW(NULL, text, title, g_msgBoxFlags | MB_ICONWARNING);
  69 }
  70
  71 void MUtils::OS::system_message_err(const wchar_t *const title, const wchar_t *const text)
  72 {
  73         MessageBoxW(NULL, text, title, g_msgBoxFlags | MB_ICONERROR);
  74 }
  75
  76 ///////////////////////////////////////////////////////////////////////////////
  77 // FETCH CLI ARGUMENTS
  78 ///////////////////////////////////////////////////////////////////////////////
  79
  80 static QReadWriteLock                          g_arguments_lock;
  81 static QScopedPointer<MUtils::OS::ArgumentMap> g_arguments_list;
  82
  83 const QStringList MUtils::OS::crack_command_line(const QString &command_line)
  84 {
  85         int nArgs = 0;
  86         LPWSTR *szArglist = CommandLineToArgvW(command_line.isNull() ? GetCommandLineW() : MUTILS_WCHR(command_line), &nArgs);
  87
  88         QStringList command_line_tokens;
  89         if(NULL != szArglist)
  90         {
  91                 for(int i = 0; i < nArgs; i++)
  92                 {
  93                         const QString argStr = MUTILS_QSTR(szArglist[i]).trimmed();
  94                         if(!argStr.isEmpty())
  95                         {
  96                                 command_line_tokens << argStr;
  97                         }
  98                 }
  99                 LocalFree(szArglist);
 100         }
 101
 102         return command_line_tokens;
 103 }
 104
 105 const MUtils::OS::ArgumentMap &MUtils::OS::arguments(void)
 106 {
 107         QReadLocker readLock(&g_arguments_lock);
 108
 109         //Already initialized?
 110         if(!g_arguments_list.isNull())
 111         {
 112                 return (*(g_arguments_list.data()));
 113         }
 114
 115         readLock.unlock();
 116         QWriteLocker writeLock(&g_arguments_lock);
 117
 118         //Still not initialized?
 119         if(!g_arguments_list.isNull())
 120         {
 121                 return (*(g_arguments_list.data()));
 122         }
 123
 124         g_arguments_list.reset(new ArgumentMap());
 125         const QStringList argList = crack_command_line();
 126
 127         if(!argList.isEmpty())
 128         {
 129                 const QString argPrefix = QLatin1String("--");
 130                 const QChar   separator = QLatin1Char('=');
 131
 132                 bool firstToken = true;
 133                 for(QStringList::ConstIterator iter = argList.constBegin(); iter != argList.constEnd(); iter++)
 134                 {
 135                         if(firstToken)
 136                         {
 137                                 firstToken = false;
 138                                 continue; /*skip executable file name*/
 139                         }
 140                         if(iter->startsWith(argPrefix))
 141                         {
 142                                 const QString argData = iter->mid(2).trimmed();
 143                                 if(argData.length() > 0)
 144                                 {
 145                                         const int separatorIndex = argData.indexOf(separator);
 146                                         if(separatorIndex > 0)
 147                                         {
 148                                                 const QString argKey = argData.left(separatorIndex).trimmed();
 149                                                 const QString argVal = argData.mid(separatorIndex + 1).trimmed();
 150                                                 g_arguments_list->insertMulti(argKey.toLower(), argVal);
 151                                         }
 152                                         else
 153                                         {
 154                                                 g_arguments_list->insertMulti(argData.toLower(), QString());
 155                                         }
 156                                 }
 157                         }
 158                 }
 159         }
 160         else if(argList.empty())
 161         {
 162                 qWarning("CommandLineToArgvW() has failed !!!");
 163         }
 164
 165         return (*(g_arguments_list.data()));
 166 }
 167
 168 ///////////////////////////////////////////////////////////////////////////////
 169 // COPY FILE
 170 ///////////////////////////////////////////////////////////////////////////////
 171
 172 typedef struct _progress_callback_data_t
 173 {
 174         MUtils::OS::progress_callback_t callback_function;
 175         void *user_data;
 176 }
 177 progress_callback_data_t;
 178
 179 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)
 180 {
 181         if(const progress_callback_data_t *data = (progress_callback_data_t*) lpData)
 182         {
 183                 const double progress = qBound(0.0, double(TotalBytesTransferred.QuadPart) / double(TotalFileSize.QuadPart), 1.0);
 184                 return data->callback_function(progress, data->user_data) ? PROGRESS_CONTINUE : PROGRESS_CANCEL;
 185         }
 186         return PROGRESS_CONTINUE;
 187 }
 188
 189 MUTILS_API bool MUtils::OS::copy_file(const QString &sourcePath, const QString &outputPath, const bool &overwrite, const progress_callback_t callback, void *const userData)
 190 {
 191         progress_callback_data_t callback_data = { callback, userData };
 192         BOOL cancel = FALSE;
 193         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));
 194
 195         if(result == FALSE)
 196         {
 197                 const DWORD errorCode = GetLastError();
 198                 if(errorCode != ERROR_REQUEST_ABORTED)
 199                 {
 200                         qWarning("CopyFile() failed with error code 0x%08X!", errorCode);
 201                 }
 202                 else
 203                 {
 204                         qWarning("CopyFile() operation was abroted by user!");
 205                 }
 206         }
 207
 208         return (result != FALSE);
 209 }
 210
 211 ///////////////////////////////////////////////////////////////////////////////
 212 // GET FILE VERSION
 213 ///////////////////////////////////////////////////////////////////////////////
 214
 215 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)
 216 {
 217         if(!GetFileVersionInfo(MUTILS_WCHR(fileName), 0, size, buffer))
 218         {
 219                 qWarning("GetFileVersionInfo() has failed, file version cannot be determined!");
 220                 return false;
 221         }
 222
 223         VS_FIXEDFILEINFO *verInfo;
 224         UINT verInfoLen;
 225         if(!VerQueryValue(buffer, L"\\", (LPVOID*)(&verInfo), &verInfoLen))
 226         {
 227                 qWarning("VerQueryValue() has failed, file version cannot be determined!");
 228                 return false;
 229         }
 230
 231         if(major) *major = quint16((verInfo->dwFileVersionMS >> 16) & 0x0000FFFF);
 232         if(minor) *minor = quint16((verInfo->dwFileVersionMS)       & 0x0000FFFF);
 233         if(patch) *patch = quint16((verInfo->dwFileVersionLS >> 16) & 0x0000FFFF);
 234         if(build) *build = quint16((verInfo->dwFileVersionLS)       & 0x0000FFFF);
 235
 236         return true;
 237 }
 238
 239 bool MUtils::OS::get_file_version(const QString fileName, quint16 *const major, quint16 *const minor, quint16 *const patch, quint16 *const build)
 240 {
 241         if(major) *major = 0U; if(minor) *minor = 0U;
 242         if(patch) *patch = 0U; if(build) *build = 0U;
 243
 244         const DWORD size = GetFileVersionInfoSize(MUTILS_WCHR(fileName), NULL);
 245         if(size < 1)
 246         {
 247                 qWarning("GetFileVersionInfoSize() has failed, file version cannot be determined!");
 248                 return false;
 249         }
 250
 251         PVOID buffer = _malloca(size);
 252         if(!buffer)
 253         {
 254                 qWarning("Memory allocation has failed!");
 255                 return false;
 256         }
 257
 258         const bool success = get_file_version_helper(fileName, buffer, size, major, minor, patch, build);
 259
 260         _freea(buffer);
 261         return success;
 262 }
 263
 264 ///////////////////////////////////////////////////////////////////////////////
 265 // OS VERSION DETECTION
 266 ///////////////////////////////////////////////////////////////////////////////
 267
 268 static bool g_os_version_initialized = false;
 269 static MUtils::OS::Version::os_version_t g_os_version_info = MUtils::OS::Version::UNKNOWN_OPSYS;
 270 static QReadWriteLock g_os_version_lock;
 271
 272 //Maps marketing names to the actual Windows NT versions
 273 static const struct
 274 {
 275         MUtils::OS::Version::os_version_t version;
 276         const char friendlyName[64];
 277 }
 278 g_os_version_lut[] =
 279 {
 280         { MUtils::OS::Version::WINDOWS_WIN2K, "Windows 2000"                                  },        //2000
 281         { MUtils::OS::Version::WINDOWS_WINXP, "Windows XP or Windows XP Media Center Edition" },        //XP
 282         { MUtils::OS::Version::WINDOWS_XPX64, "Windows Server 2003 or Windows XP x64"         },        //XP_x64
 283         { MUtils::OS::Version::WINDOWS_VISTA, "Windows Vista or Windows Server 2008"          },        //Vista
 284         { MUtils::OS::Version::WINDOWS_WIN70, "Windows 7 or Windows Server 2008 R2"           },        //7
 285         { MUtils::OS::Version::WINDOWS_WIN80, "Windows 8 or Windows Server 2012"              },        //8
 286         { MUtils::OS::Version::WINDOWS_WIN81, "Windows 8.1 or Windows Server 2012 R2"         },        //8.1
 287         { MUtils::OS::Version::WINDOWS_WN100, "Windows 10 or Windows Server 2014 (Preview)"   },        //10
 288         { MUtils::OS::Version::UNKNOWN_OPSYS, "N/A" }
 289 };
 290
 291 //OS version data dtructures
 292 namespace MUtils
 293 {
 294         namespace OS
 295         {
 296                 namespace Version
 297                 {
 298                         //Comparision operators for os_version_t
 299                         bool os_version_t::operator== (const os_version_t &rhs) const { return (type == rhs.type) && (versionMajor == rhs.versionMajor) && ((versionMinor == rhs.versionMinor)); }
 300                         bool os_version_t::operator!= (const os_version_t &rhs) const { return (type != rhs.type) || (versionMajor != rhs.versionMajor) || ((versionMinor != rhs.versionMinor)); }
 301                         bool os_version_t::operator>  (const os_version_t &rhs) const { return (type == rhs.type) && ((versionMajor > rhs.versionMajor) || ((versionMajor == rhs.versionMajor) && (versionMinor >  rhs.versionMinor))); }
 302                         bool os_version_t::operator>= (const os_version_t &rhs) const { return (type == rhs.type) && ((versionMajor > rhs.versionMajor) || ((versionMajor == rhs.versionMajor) && (versionMinor >= rhs.versionMinor))); }
 303                         bool os_version_t::operator<  (const os_version_t &rhs) const { return (type == rhs.type) && ((versionMajor < rhs.versionMajor) || ((versionMajor == rhs.versionMajor) && (versionMinor <  rhs.versionMinor))); }
 304                         bool os_version_t::operator<= (const os_version_t &rhs) const { return (type == rhs.type) && ((versionMajor < rhs.versionMajor) || ((versionMajor == rhs.versionMajor) && (versionMinor <= rhs.versionMinor))); }
 305
 306                         //Known Windows NT versions
 307                         const os_version_t WINDOWS_WIN2K = { OS_WINDOWS,  5, 0 };       // 2000
 308                         const os_version_t WINDOWS_WINXP = { OS_WINDOWS,  5, 1 };       // XP
 309                         const os_version_t WINDOWS_XPX64 = { OS_WINDOWS,  5, 2 };       // XP_x64
 310                         const os_version_t WINDOWS_VISTA = { OS_WINDOWS,  6, 0 };       // Vista
 311                         const os_version_t WINDOWS_WIN70 = { OS_WINDOWS,  6, 1 };       // 7
 312                         const os_version_t WINDOWS_WIN80 = { OS_WINDOWS,  6, 2 };       // 8
 313                         const os_version_t WINDOWS_WIN81 = { OS_WINDOWS,  6, 3 };       // 8.1
 314                         const os_version_t WINDOWS_WN100 = { OS_WINDOWS, 10, 0 };       // 10
 315
 316                         //Unknown OS
 317                         const os_version_t UNKNOWN_OPSYS = { OS_UNKNOWN, 0, 0 };        // N/A
 318                 }
 319         }
 320 }
 321
 322 static void initialize_os_version(OSVERSIONINFOEXW *const osInfo)
 323 {
 324         memset(osInfo, 0, sizeof(OSVERSIONINFOEXW));
 325         osInfo->dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
 326 }
 327
 328 static bool rtl_get_version(OSVERSIONINFOEXW *const osInfo)
 329 {
 330         typedef LONG(__stdcall *RtlGetVersion)(LPOSVERSIONINFOEXW);
 331         if (const HMODULE ntdll = GetModuleHandleW(L"ntdll"))
 332         {
 333                 if (const RtlGetVersion pRtlGetVersion = (RtlGetVersion)GetProcAddress(ntdll, "RtlGetVersion"))
 334                 {
 335                         initialize_os_version(osInfo);
 336                         if (pRtlGetVersion(osInfo) == 0)
 337                         {
 338                                 return true;
 339                         }
 340                 }
 341         }
 342
 343         //Fallback
 344         initialize_os_version(osInfo);
 345         return (GetVersionExW((LPOSVERSIONINFOW)osInfo) != FALSE);
 346 }
 347
 348 static bool rtl_verify_version(OSVERSIONINFOEXW *const osInfo, const ULONG typeMask, const ULONGLONG condMask)
 349 {
 350         typedef LONG(__stdcall *RtlVerifyVersionInfo)(LPOSVERSIONINFOEXW, ULONG, ULONGLONG);
 351         if (const HMODULE ntdll = GetModuleHandleW(L"ntdll"))
 352         {
 353                 if (const RtlVerifyVersionInfo pRtlVerifyVersionInfo = (RtlVerifyVersionInfo)GetProcAddress(ntdll, "RtlVerifyVersionInfo"))
 354                 {
 355                         if (pRtlVerifyVersionInfo(osInfo, typeMask, condMask) == 0)
 356                         {
 357                                 return true;
 358                         }
 359                 }
 360         }
 361
 362         //Fallback
 363         return (VerifyVersionInfoW(osInfo, typeMask, condMask) != FALSE);
 364 }
 365
 366 static bool verify_os_version(const DWORD major, const DWORD minor)
 367 {
 368         OSVERSIONINFOEXW osvi;
 369         DWORDLONG dwlConditionMask = 0;
 370
 371         //Initialize the OSVERSIONINFOEX structure
 372         memset(&osvi, 0, sizeof(OSVERSIONINFOEXW));
 373         osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
 374         osvi.dwMajorVersion = major;
 375         osvi.dwMinorVersion = minor;
 376         osvi.dwPlatformId = VER_PLATFORM_WIN32_NT;
 377
 378         //Initialize the condition mask
 379         VER_SET_CONDITION(dwlConditionMask, VER_MAJORVERSION, VER_GREATER_EQUAL);
 380         VER_SET_CONDITION(dwlConditionMask, VER_MINORVERSION, VER_GREATER_EQUAL);
 381         VER_SET_CONDITION(dwlConditionMask, VER_PLATFORMID,   VER_EQUAL);
 382
 383         // Perform the test
 384         const BOOL ret = rtl_verify_version(&osvi, VER_MAJORVERSION | VER_MINORVERSION | VER_PLATFORMID, dwlConditionMask);
 385
 386         //Error checking
 387         if(!ret)
 388         {
 389                 if(GetLastError() != ERROR_OLD_WIN_VERSION)
 390                 {
 391                         qWarning("VerifyVersionInfo() system call has failed!");
 392                 }
 393         }
 394
 395         return (ret != FALSE);
 396 }
 397
 398 static bool get_real_os_version(unsigned int *major, unsigned int *minor, bool *pbOverride)
 399 {
 400         *major = *minor = 0;
 401         *pbOverride = false;
 402
 403         //Initialize local variables
 404         OSVERSIONINFOEXW osvi;
 405         memset(&osvi, 0, sizeof(OSVERSIONINFOEXW));
 406         osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
 407
 408         //Try GetVersionEx() first
 409         if(rtl_get_version(&osvi) == FALSE)
 410         {
 411                 qWarning("GetVersionEx() has failed, cannot detect Windows version!");
 412                 return false;
 413         }
 414
 415         //Make sure we are running on NT
 416         if(osvi.dwPlatformId == VER_PLATFORM_WIN32_NT)
 417         {
 418                 *major = osvi.dwMajorVersion;
 419                 *minor = osvi.dwMinorVersion;
 420         }
 421         else
 422         {
 423                 qWarning("Not running on Windows NT, unsupported operating system!");
 424                 return false;
 425         }
 426
 427         //Determine the real *major* version first
 428         forever
 429         {
 430                 const DWORD nextMajor = (*major) + 1;
 431                 if(verify_os_version(nextMajor, 0))
 432                 {
 433                         *pbOverride = true;
 434                         *major = nextMajor;
 435                         *minor = 0;
 436                         continue;
 437                 }
 438                 break;
 439         }
 440
 441         //Now also determine the real *minor* version
 442         forever
 443         {
 444                 const DWORD nextMinor = (*minor) + 1;
 445                 if(verify_os_version((*major), nextMinor))
 446                 {
 447                         *pbOverride = true;
 448                         *minor = nextMinor;
 449                         continue;
 450                 }
 451                 break;
 452         }
 453
 454         return true;
 455 }
 456
 457 const MUtils::OS::Version::os_version_t &MUtils::OS::os_version(void)
 458 {
 459         QReadLocker readLock(&g_os_version_lock);
 460
 461         //Already initialized?
 462         if(g_os_version_initialized)
 463         {
 464                 return g_os_version_info;
 465         }
 466
 467         readLock.unlock();
 468         QWriteLocker writeLock(&g_os_version_lock);
 469
 470         //Initialized now?
 471         if(g_os_version_initialized)
 472         {
 473                 return g_os_version_info;
 474         }
 475
 476         //Detect OS version
 477         unsigned int major, minor; bool overrideFlg;
 478         if(get_real_os_version(&major, &minor, &overrideFlg))
 479         {
 480                 g_os_version_info.type = Version::OS_WINDOWS;
 481                 g_os_version_info.versionMajor = major;
 482                 g_os_version_info.versionMinor = minor;
 483                 g_os_version_info.overrideFlag = overrideFlg;
 484         }
 485         else
 486         {
 487                 qWarning("Failed to determin the operating system version!");
 488         }
 489
 490         //Completed
 491         g_os_version_initialized = true;
 492         return g_os_version_info;
 493 }
 494
 495 const char *MUtils::OS::os_friendly_name(const MUtils::OS::Version::os_version_t &os_version)
 496 {
 497         for(size_t i = 0; g_os_version_lut[i].version != MUtils::OS::Version::UNKNOWN_OPSYS; i++)
 498         {
 499                 if(os_version == g_os_version_lut[i].version)
 500                 {
 501                         return g_os_version_lut[i].friendlyName;
 502                 }
 503         }
 504
 505         return NULL;
 506 }
 507
 508 ///////////////////////////////////////////////////////////////////////////////
 509 // WINE DETECTION
 510 ///////////////////////////////////////////////////////////////////////////////
 511
 512 static bool g_wine_deteced = false;
 513 static bool g_wine_initialized = false;
 514 static QReadWriteLock g_wine_lock;
 515
 516 static const bool detect_wine(void)
 517 {
 518         void *const ptr = MUtils::Win32Utils::resolve<void*>(QLatin1String("ntdll"), QLatin1String("wine_get_version"));
 519         return (ptr != NULL);
 520 }
 521
 522 const bool &MUtils::OS::running_on_wine(void)
 523 {
 524         QReadLocker readLock(&g_wine_lock);
 525
 526         //Already initialized?
 527         if(g_wine_initialized)
 528         {
 529                 return g_wine_deteced;
 530         }
 531
 532         readLock.unlock();
 533         QWriteLocker writeLock(&g_wine_lock);
 534
 535         //Initialized now?
 536         if(g_wine_initialized)
 537         {
 538                 return g_wine_deteced;
 539         }
 540
 541         //Try to detect Wine
 542         g_wine_deteced = detect_wine();
 543         g_wine_initialized = true;
 544
 545         return g_wine_deteced;
 546 }
 547
 548 ///////////////////////////////////////////////////////////////////////////////
 549 // KNWON FOLDERS
 550 ///////////////////////////////////////////////////////////////////////////////
 551
 552 typedef QMap<size_t, QString> KFMap;
 553 typedef HRESULT (WINAPI *SHGetKnownFolderPath_t)(const GUID &rfid, DWORD dwFlags, HANDLE hToken, PWSTR *ppszPath);
 554 typedef HRESULT (WINAPI *SHGetFolderPath_t)     (HWND hwndOwner, int nFolder, HANDLE hToken, DWORD dwFlags, LPWSTR pszPath);
 555
 556 static QScopedPointer<KFMap>  g_known_folders_map;
 557 static QReadWriteLock         g_known_folders_lock;
 558
 559 const QString &MUtils::OS::known_folder(known_folder_t folder_id)
 560 {
 561         typedef enum { KF_FLAG_CREATE = 0x00008000 } kf_flags_t;
 562
 563         struct
 564         {
 565                 const int csidl;
 566                 const GUID guid;
 567         }
 568         static s_folders[] =
 569         {
 570                 { 0x001c, {0xF1B32785,0x6FBA,0x4FCF,{0x9D,0x55,0x7B,0x8E,0x7F,0x15,0x70,0x91}} },  //CSIDL_LOCAL_APPDATA
 571                 { 0x0026, {0x905e63b6,0xc1bf,0x494e,{0xb2,0x9c,0x65,0xb7,0x32,0xd3,0xd2,0x1a}} },  //CSIDL_PROGRAM_FILES
 572                 { 0x0024, {0xF38BF404,0x1D43,0x42F2,{0x93,0x05,0x67,0xDE,0x0B,0x28,0xFC,0x23}} },  //CSIDL_WINDOWS_FOLDER
 573                 { 0x0025, {0x1AC14E77,0x02E7,0x4E5D,{0xB7,0x44,0x2E,0xB1,0xAE,0x51,0x98,0xB7}} },  //CSIDL_SYSTEM_FOLDER
 574         };
 575
 576         size_t folderId = size_t(-1);
 577
 578         switch(folder_id)
 579         {
 580                 case FOLDER_LOCALAPPDATA: folderId = 0; break;
 581                 case FOLDER_PROGRAMFILES: folderId = 1; break;
 582                 case FOLDER_SYSTROOT_DIR: folderId = 2; break;
 583                 case FOLDER_SYSTEMFOLDER: folderId = 3; break;
 584         }
 585
 586         if(folderId == size_t(-1))
 587         {
 588                 qWarning("Invalid 'known' folder was requested!");
 589                 return *reinterpret_cast<QString*>(NULL);
 590         }
 591
 592         QReadLocker readLock(&g_known_folders_lock);
 593
 594         //Already in cache?
 595         if(!g_known_folders_map.isNull())
 596         {
 597                 if(g_known_folders_map->contains(folderId))
 598                 {
 599                         return g_known_folders_map->operator[](folderId);
 600                 }
 601         }
 602
 603         //Obtain write lock to initialize
 604         readLock.unlock();
 605         QWriteLocker writeLock(&g_known_folders_lock);
 606
 607         //Still not in cache?
 608         if(!g_known_folders_map.isNull())
 609         {
 610                 if(g_known_folders_map->contains(folderId))
 611                 {
 612                         return g_known_folders_map->operator[](folderId);
 613                 }
 614         }
 615
 616         //Initialize on first call
 617         if(g_known_folders_map.isNull())
 618         {
 619                 g_known_folders_map.reset(new QMap<size_t, QString>());
 620         }
 621
 622         QString folderPath;
 623
 624         //Now try to get the folder path!
 625         if(const SHGetKnownFolderPath_t known_folders_fpGetKnownFolderPath = MUtils::Win32Utils::resolve<SHGetKnownFolderPath_t>(QLatin1String("shell32"), QLatin1String("SHGetKnownFolderPath")))
 626         {
 627                 WCHAR *path = NULL;
 628                 if(known_folders_fpGetKnownFolderPath(s_folders[folderId].guid, KF_FLAG_CREATE, NULL, &path) == S_OK)
 629                 {
 630                         //MessageBoxW(0, path, L"SHGetKnownFolderPath", MB_TOPMOST);
 631                         QDir folderTemp = QDir(QDir::fromNativeSeparators(MUTILS_QSTR(path)));
 632                         if(folderTemp.exists())
 633                         {
 634                                 folderPath = folderTemp.canonicalPath();
 635                         }
 636                         CoTaskMemFree(path);
 637                 }
 638         }
 639         else if(const SHGetFolderPath_t known_folders_fpGetFolderPath = MUtils::Win32Utils::resolve<SHGetFolderPath_t>(QLatin1String("shell32"), QLatin1String("SHGetFolderPathW")))
 640         {
 641                 QScopedArrayPointer<WCHAR> path(new WCHAR[4096]);
 642                 if(known_folders_fpGetFolderPath(NULL, s_folders[folderId].csidl | CSIDL_FLAG_CREATE, NULL, NULL, path.data()) == S_OK)
 643                 {
 644                         //MessageBoxW(0, path, L"SHGetFolderPathW", MB_TOPMOST);
 645                         QDir folderTemp = QDir(QDir::fromNativeSeparators(MUTILS_QSTR(path.data())));
 646                         if(folderTemp.exists())
 647                         {
 648                                 folderPath = folderTemp.canonicalPath();
 649                         }
 650                 }
 651         }
 652
 653         //Update cache
 654         g_known_folders_map->insert(folderId, folderPath);
 655         return g_known_folders_map->operator[](folderId);
 656 }
 657
 658 ///////////////////////////////////////////////////////////////////////////////
 659 // CURRENT DATA & TIME
 660 ///////////////////////////////////////////////////////////////////////////////
 661
 662 QDate MUtils::OS::current_date(void)
 663 {
 664         const DWORD MAX_PROC = 1024;
 665         QScopedArrayPointer<DWORD> processes(new DWORD[MAX_PROC]);
 666         DWORD bytesReturned = 0;
 667
 668         if(!EnumProcesses(processes.data(), sizeof(DWORD) * MAX_PROC, &bytesReturned))
 669         {
 670                 return QDate::currentDate();
 671         }
 672
 673         const DWORD procCount = bytesReturned / sizeof(DWORD);
 674         ULARGE_INTEGER lastStartTime;
 675         memset(&lastStartTime, 0, sizeof(ULARGE_INTEGER));
 676
 677         for(DWORD i = 0; i < procCount; i++)
 678         {
 679                 if(HANDLE hProc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, processes[i]))
 680                 {
 681                         FILETIME processTime[4];
 682                         if(GetProcessTimes(hProc, &processTime[0], &processTime[1], &processTime[2], &processTime[3]))
 683                         {
 684                                 ULARGE_INTEGER timeCreation;
 685                                 timeCreation.LowPart  = processTime[0].dwLowDateTime;
 686                                 timeCreation.HighPart = processTime[0].dwHighDateTime;
 687                                 if(timeCreation.QuadPart > lastStartTime.QuadPart)
 688                                 {
 689                                         lastStartTime.QuadPart = timeCreation.QuadPart;
 690                                 }
 691                         }
 692                         CloseHandle(hProc);
 693                 }
 694         }
 695
 696         FILETIME lastStartTime_fileTime;
 697         lastStartTime_fileTime.dwHighDateTime = lastStartTime.HighPart;
 698         lastStartTime_fileTime.dwLowDateTime  = lastStartTime.LowPart;
 699
 700         FILETIME lastStartTime_localTime;
 701         if(!FileTimeToLocalFileTime(&lastStartTime_fileTime, &lastStartTime_localTime))
 702         {
 703                 memcpy(&lastStartTime_localTime, &lastStartTime_fileTime, sizeof(FILETIME));
 704         }
 705
 706         SYSTEMTIME lastStartTime_system;
 707         if(!FileTimeToSystemTime(&lastStartTime_localTime, &lastStartTime_system))
 708         {
 709                 memset(&lastStartTime_system, 0, sizeof(SYSTEMTIME));
 710                 lastStartTime_system.wYear = 1970; lastStartTime_system.wMonth = lastStartTime_system.wDay = 1;
 711         }
 712
 713         const QDate currentDate = QDate::currentDate();
 714         const QDate processDate = QDate(lastStartTime_system.wYear, lastStartTime_system.wMonth, lastStartTime_system.wDay);
 715         return (currentDate >= processDate) ? currentDate : processDate;
 716 }
 717
 718 quint64 MUtils::OS::current_file_time(void)
 719 {
 720         FILETIME fileTime;
 721         GetSystemTimeAsFileTime(&fileTime);
 722
 723         ULARGE_INTEGER temp;
 724         temp.HighPart = fileTime.dwHighDateTime;
 725         temp.LowPart = fileTime.dwLowDateTime;
 726
 727         return temp.QuadPart;
 728 }
 729
 730 ///////////////////////////////////////////////////////////////////////////////
 731 // FILE PATH FROM FD
 732 ///////////////////////////////////////////////////////////////////////////////
 733
 734 typedef DWORD(_stdcall *GetPathNameByHandleFun)(HANDLE hFile, LPWSTR lpszFilePath, DWORD cchFilePath, DWORD dwFlags);
 735
 736 static QString get_file_path_drive_list(void)
 737 {
 738         QString list;
 739         const DWORD len = GetLogicalDriveStringsW(0, NULL);
 740         if (len > 0)
 741         {
 742                 if (wchar_t *const buffer = (wchar_t*) _malloca(sizeof(wchar_t) * len))
 743                 {
 744                         const DWORD ret = GetLogicalDriveStringsW(len, buffer);
 745                         if ((ret > 0) && (ret < len))
 746                         {
 747                                 const wchar_t *ptr = buffer;
 748                                 while (const size_t current_len = wcslen(ptr))
 749                                 {
 750                                         list.append(QChar(*reinterpret_cast<const ushort*>(ptr)));
 751                                         ptr += (current_len + 1);
 752                                 }
 753                         }
 754                         _freea(buffer);
 755                 }
 756         }
 757         return list;
 758 }
 759
 760 static void get_file_path_translate(QString &path)
 761 {
 762         static const DWORD BUFSIZE = 2048;
 763         wchar_t buffer[BUFSIZE], drive[3];
 764
 765         const QString driveList = get_file_path_drive_list();
 766         wcscpy_s(drive, 3, L"?:");
 767         for (const wchar_t *current = MUTILS_WCHR(driveList); *current; current++)
 768         {
 769                 drive[0] = (*current);
 770                 if (QueryDosDeviceW(drive, buffer, MAX_PATH))
 771                 {
 772                         const QString prefix = MUTILS_QSTR(buffer);
 773                         if (path.startsWith(prefix, Qt::CaseInsensitive))
 774                         {
 775                                 path.remove(0, prefix.length()).prepend(QLatin1Char(':')).prepend(QChar(*reinterpret_cast<const ushort*>(current)));
 776                                 break;
 777                         }
 778                 }
 779         }
 780 }
 781
 782 static QString get_file_path_fallback(const HANDLE &hFile)
 783 {
 784         QString filePath;
 785
 786         const HANDLE hFileMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 1, NULL);
 787         if (hFileMap)
 788         {
 789                 void *const pMem = MapViewOfFile(hFileMap, FILE_MAP_READ, 0, 0, 1);
 790                 if (pMem)
 791                 {
 792                         static const size_t BUFFSIZE = 2048;
 793                         wchar_t buffer[BUFFSIZE];
 794                         if (GetMappedFileNameW(GetCurrentProcess(), pMem, buffer, BUFFSIZE) > 0)
 795                         {
 796                                 filePath = MUTILS_QSTR(buffer);
 797                         }
 798                         UnmapViewOfFile(pMem);
 799                 }
 800                 CloseHandle(hFileMap);
 801         }
 802
 803         if (!filePath.isEmpty())
 804         {
 805                 get_file_path_translate(filePath);
 806         }
 807
 808         return filePath;
 809 }
 810
 811 QString MUtils::OS::get_file_path(const int &fd)
 812 {
 813         if (fd >= 0)
 814         {
 815                 const GetPathNameByHandleFun getPathNameByHandleFun = MUtils::Win32Utils::resolve<GetPathNameByHandleFun>(QLatin1String("kernel32"), QLatin1String("GetFinalPathNameByHandleW"));
 816                 if (!getPathNameByHandleFun)
 817                 {
 818                         return get_file_path_fallback((HANDLE)_get_osfhandle(fd));
 819                 }
 820
 821                 const HANDLE handle = (HANDLE) _get_osfhandle(fd);
 822                 const DWORD len = getPathNameByHandleFun(handle, NULL, 0, FILE_NAME_OPENED);
 823                 if (len > 0)
 824                 {
 825                         if (wchar_t *const buffer = (wchar_t*)_malloca(sizeof(wchar_t) * len))
 826                         {
 827                                 const DWORD ret = getPathNameByHandleFun(handle, buffer, len, FILE_NAME_OPENED);
 828                                 if ((ret > 0) && (ret < len))
 829                                 {
 830                                         const QString path(MUTILS_QSTR(buffer));
 831                                         return path.startsWith(QLatin1String("\\\\?\\")) ? path.mid(4) : path;
 832                                 }
 833                                 _freea(buffer);
 834                         }
 835                 }
 836         }
 837
 838         return QString();
 839 }
 840
 841 ///////////////////////////////////////////////////////////////////////////////
 842 // PROCESS ELEVATION
 843 ///////////////////////////////////////////////////////////////////////////////
 844
 845 static bool user_is_admin_helper(void)
 846 {
 847         HANDLE hToken = NULL;
 848         if(!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken))
 849         {
 850                 return false;
 851         }
 852
 853         DWORD dwSize = 0;
 854         if(!GetTokenInformation(hToken, TokenGroups, NULL, 0, &dwSize))
 855         {
 856                 if(GetLastError() != ERROR_INSUFFICIENT_BUFFER)
 857                 {
 858                         CloseHandle(hToken);
 859                         return false;
 860                 }
 861         }
 862
 863         PTOKEN_GROUPS lpGroups = (PTOKEN_GROUPS) malloc(dwSize);
 864         if(!lpGroups)
 865         {
 866                 CloseHandle(hToken);
 867                 return false;
 868         }
 869
 870         if(!GetTokenInformation(hToken, TokenGroups, lpGroups, dwSize, &dwSize))
 871         {
 872                 free(lpGroups);
 873                 CloseHandle(hToken);
 874                 return false;
 875         }
 876
 877         PSID lpSid = NULL; SID_IDENTIFIER_AUTHORITY Authority = {SECURITY_NT_AUTHORITY};
 878         if(!AllocateAndInitializeSid(&Authority, 2, SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_ALIAS_RID_ADMINS, 0, 0, 0, 0, 0, 0, &lpSid))
 879         {
 880                 free(lpGroups);
 881                 CloseHandle(hToken);
 882                 return false;
 883         }
 884
 885         bool bResult = false;
 886         for(DWORD i = 0; i < lpGroups->GroupCount; i++)
 887         {
 888                 if(EqualSid(lpSid, lpGroups->Groups[i].Sid))
 889                 {
 890                         bResult = true;
 891                         break;
 892                 }
 893         }
 894
 895         FreeSid(lpSid);
 896         free(lpGroups);
 897         CloseHandle(hToken);
 898         return bResult;
 899 }
 900
 901 bool MUtils::OS::is_elevated(bool *bIsUacEnabled)
 902 {
 903         if(bIsUacEnabled)
 904         {
 905                 *bIsUacEnabled = false;
 906         }
 907
 908         bool bIsProcessElevated = false;
 909         HANDLE hToken = NULL;
 910
 911         if(OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken))
 912         {
 913                 TOKEN_ELEVATION_TYPE tokenElevationType;
 914                 DWORD returnLength;
 915                 if(GetTokenInformation(hToken, TokenElevationType, &tokenElevationType, sizeof(TOKEN_ELEVATION_TYPE), &returnLength))
 916                 {
 917                         if(returnLength == sizeof(TOKEN_ELEVATION_TYPE))
 918                         {
 919                                 switch(tokenElevationType)
 920                                 {
 921                                 case TokenElevationTypeDefault:
 922                                         qDebug("Process token elevation type: Default -> UAC is disabled.\n");
 923                                         break;
 924                                 case TokenElevationTypeFull:
 925                                         qWarning("Process token elevation type: Full -> potential security risk!\n");
 926                                         bIsProcessElevated = true;
 927                                         if(bIsUacEnabled) *bIsUacEnabled = true;
 928                                         break;
 929                                 case TokenElevationTypeLimited:
 930                                         qDebug("Process token elevation type: Limited -> not elevated.\n");
 931                                         if(bIsUacEnabled) *bIsUacEnabled = true;
 932                                         break;
 933                                 default:
 934                                         qWarning("Unknown tokenElevationType value: %d", tokenElevationType);
 935                                         break;
 936                                 }
 937                         }
 938                         else
 939                         {
 940                                 qWarning("GetTokenInformation() return an unexpected size!");
 941                         }
 942                 }
 943                 CloseHandle(hToken);
 944         }
 945         else
 946         {
 947                 qWarning("Failed to open process token!");
 948         }
 949
 950         return bIsProcessElevated;
 951 }
 952
 953 bool MUtils::OS::user_is_admin(void)
 954 {
 955         bool isAdmin = false;
 956
 957         //Check for process elevation and UAC support first!
 958         if(MUtils::OS::is_elevated(&isAdmin))
 959         {
 960                 qWarning("Process is elevated -> user is admin!");
 961                 return true;
 962         }
 963
 964         //If not elevated and UAC is not available -> user must be in admin group!
 965         if(!isAdmin)
 966         {
 967                 qDebug("UAC is disabled/unavailable -> checking for Administrators group");
 968                 isAdmin = user_is_admin_helper();
 969         }
 970
 971         return isAdmin;
 972 }
 973
 974 ///////////////////////////////////////////////////////////////////////////////
 975 // NETWORK STATE
 976 ///////////////////////////////////////////////////////////////////////////////
 977
 978 int MUtils::OS::network_status(void)
 979 {
 980         DWORD dwFlags;
 981         const BOOL ret = IsNetworkAlive(&dwFlags);
 982         if(GetLastError() == 0)
 983         {
 984                 return (ret != FALSE) ? NETWORK_TYPE_YES : NETWORK_TYPE_NON;
 985         }
 986         return NETWORK_TYPE_ERR;
 987 }
 988
 989 ///////////////////////////////////////////////////////////////////////////////
 990 // MESSAGE HANDLER
 991 ///////////////////////////////////////////////////////////////////////////////
 992
 993 bool MUtils::OS::handle_os_message(const void *const message, long *result)
 994 {
 995         const MSG *const msg = reinterpret_cast<const MSG*>(message);
 996
 997         switch(msg->message)
 998         {
 999         case WM_QUERYENDSESSION:
1000                 qWarning("WM_QUERYENDSESSION message received!");
1001                 *result = MUtils::GUI::broadcast(MUtils::GUI::USER_EVENT_QUERYENDSESSION, false) ? TRUE : FALSE;
1002                 return true;
1003         case WM_ENDSESSION:
1004                 qWarning("WM_ENDSESSION message received!");
1005                 if(msg->wParam == TRUE)
1006                 {
1007                         MUtils::GUI::broadcast(MUtils::GUI::USER_EVENT_ENDSESSION, false);
1008                         MUtils::GUI::force_quit();
1009                         exit(1);
1010                 }
1011                 *result = 0;
1012                 return true;
1013         default:
1014                 /*ignore this message and let Qt handle it*/
1015                 return false;
1016         }
1017 }
1018
1019 ///////////////////////////////////////////////////////////////////////////////
1020 // SLEEP
1021 ///////////////////////////////////////////////////////////////////////////////
1022
1023 void MUtils::OS::sleep_ms(const size_t &duration)
1024 {
1025         Sleep((DWORD) duration);
1026 }
1027
1028 ///////////////////////////////////////////////////////////////////////////////
1029 // EXECUTABLE CHECK
1030 ///////////////////////////////////////////////////////////////////////////////
1031
1032 static int g_library_as_image_resource_supported = -1;
1033 static QReadWriteLock g_library_as_image_resource_supported_lock;
1034
1035 static bool library_as_image_resource_supported()
1036 {
1037         QReadLocker readLocker(&g_library_as_image_resource_supported_lock);
1038         if (g_library_as_image_resource_supported >= 0)
1039         {
1040                 return (g_library_as_image_resource_supported > 0);
1041         }
1042
1043         readLocker.unlock();
1044         QWriteLocker writeLocker(&g_library_as_image_resource_supported_lock);
1045
1046         if (g_library_as_image_resource_supported < 0)
1047         {
1048                 g_library_as_image_resource_supported = 0;
1049                 OSVERSIONINFOEXW osvi;
1050                 if (rtl_get_version(&osvi))
1051                 {
1052                         if ((osvi.dwPlatformId == VER_PLATFORM_WIN32_NT) && (osvi.dwMajorVersion >= 6U))
1053                         {
1054                                 g_library_as_image_resource_supported = 1;
1055                         }
1056                 }
1057         }
1058
1059         return (g_library_as_image_resource_supported > 0);
1060 }
1061
1062 bool MUtils::OS::is_executable_file(const QString &path)
1063 {
1064         DWORD binaryType;
1065         if(GetBinaryType(MUTILS_WCHR(QDir::toNativeSeparators(path)), &binaryType))
1066         {
1067                 return ((binaryType == SCS_32BIT_BINARY) || (binaryType == SCS_64BIT_BINARY));
1068         }
1069
1070         const DWORD errorCode = GetLastError();
1071         qWarning("GetBinaryType() failed with error: 0x%08X", errorCode);
1072         return false;
1073 }
1074
1075 bool MUtils::OS::is_library_file(const QString &path)
1076 {
1077         const DWORD flags = library_as_image_resource_supported() ? (LOAD_LIBRARY_AS_DATAFILE | LOAD_LIBRARY_AS_IMAGE_RESOURCE) : (LOAD_LIBRARY_AS_DATAFILE | DONT_RESOLVE_DLL_REFERENCES);
1078         if (const HMODULE hMod = LoadLibraryEx(MUTILS_WCHR(QDir::toNativeSeparators(path)), NULL, flags))
1079         {
1080                 FreeLibrary(hMod);
1081                 return true;
1082         }
1083
1084         const DWORD errorCode = GetLastError();
1085         qWarning("LoadLibraryEx() failed with error: 0x%08X", errorCode);
1086         return false;
1087 }
1088
1089 ///////////////////////////////////////////////////////////////////////////////
1090 // HIBERNATION / SHUTDOWN
1091 ///////////////////////////////////////////////////////////////////////////////
1092
1093 bool MUtils::OS::is_hibernation_supported(void)
1094 {
1095         bool hibernationSupported = false;
1096
1097         SYSTEM_POWER_CAPABILITIES pwrCaps;
1098         SecureZeroMemory(&pwrCaps, sizeof(SYSTEM_POWER_CAPABILITIES));
1099
1100         if(GetPwrCapabilities(&pwrCaps))
1101         {
1102                 hibernationSupported = pwrCaps.SystemS4 && pwrCaps.HiberFilePresent;
1103         }
1104
1105         return hibernationSupported;
1106 }
1107
1108 bool MUtils::OS::shutdown_computer(const QString &message, const unsigned long timeout, const bool forceShutdown, const bool hibernate)
1109 {
1110         HANDLE hToken = NULL;
1111
1112         if(OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken))
1113         {
1114                 TOKEN_PRIVILEGES privileges;
1115                 memset(&privileges, 0, sizeof(TOKEN_PRIVILEGES));
1116                 privileges.PrivilegeCount = 1;
1117                 privileges.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
1118
1119                 if(LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME, &privileges.Privileges[0].Luid))
1120                 {
1121                         if(AdjustTokenPrivileges(hToken, FALSE, &privileges, NULL, NULL, NULL))
1122                         {
1123                                 if(hibernate)
1124                                 {
1125                                         if(SetSuspendState(TRUE, TRUE, TRUE))
1126                                         {
1127                                                 return true;
1128                                         }
1129                                 }
1130                                 const DWORD reason = SHTDN_REASON_MAJOR_APPLICATION | SHTDN_REASON_FLAG_PLANNED;
1131                                 return InitiateSystemShutdownEx(NULL, const_cast<wchar_t*>(MUTILS_WCHR(message)), timeout, forceShutdown ? TRUE : FALSE, FALSE, reason);
1132                         }
1133                 }
1134         }
1135
1136         return false;
1137 }
1138
1139 ///////////////////////////////////////////////////////////////////////////////
1140 // FREE DISKSPACE
1141 ///////////////////////////////////////////////////////////////////////////////
1142
1143 bool MUtils::OS::free_diskspace(const QString &path, quint64 &freeSpace)
1144 {
1145         ULARGE_INTEGER freeBytesAvailable, totalNumberOfBytes, totalNumberOfFreeBytes;
1146         if(GetDiskFreeSpaceExW(reinterpret_cast<const wchar_t*>(QDir::toNativeSeparators(path).utf16()), &freeBytesAvailable, &totalNumberOfBytes, &totalNumberOfFreeBytes))
1147         {
1148                 freeSpace = freeBytesAvailable.QuadPart;
1149                 return true;;
1150         }
1151
1152         freeSpace = -1;
1153         return false;
1154 }
1155
1156 ///////////////////////////////////////////////////////////////////////////////
1157 // SHELL OPEN
1158 ///////////////////////////////////////////////////////////////////////////////
1159
1160 bool MUtils::OS::shell_open(const QWidget *parent, const QString &url, const QString &parameters, const QString &directory, const bool explore)
1161 {
1162         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;
1163 }
1164
1165 bool MUtils::OS::shell_open(const QWidget *parent, const QString &url, const bool explore)
1166 {
1167         return shell_open(parent, url, QString(), QString(), explore);
1168 }
1169
1170 ///////////////////////////////////////////////////////////////////////////////
1171 // OPEN MEDIA FILE
1172 ///////////////////////////////////////////////////////////////////////////////
1173
1174 bool MUtils::OS::open_media_file(const QString &mediaFilePath)
1175 {
1176         const static wchar_t *registryPrefix[2] = { L"SOFTWARE\\", L"SOFTWARE\\Wow6432Node\\" };
1177         const static wchar_t *registryKeys[3] =
1178         {
1179                 L"Microsoft\\Windows\\CurrentVersion\\Uninstall\\{97D341C8-B0D1-4E4A-A49A-C30B52F168E9}",
1180                 L"Microsoft\\Windows\\CurrentVersion\\Uninstall\\{DB9E4EAB-2717-499F-8D56-4CC8A644AB60}",
1181                 L"foobar2000"
1182         };
1183         const static wchar_t *appNames[4] = { L"smplayer_portable.exe", L"smplayer.exe", L"MPUI.exe", L"foobar2000.exe" };
1184         const static wchar_t *valueNames[2] = { L"InstallLocation", L"InstallDir" };
1185
1186         for(size_t i = 0; i < 3; i++)
1187         {
1188                 for(size_t j = 0; j < 2; j++)
1189                 {
1190                         QString mplayerPath;
1191                         HKEY registryKeyHandle = NULL;
1192
1193                         const QString currentKey = MUTILS_QSTR(registryPrefix[j]).append(MUTILS_QSTR(registryKeys[i]));
1194                         if(RegOpenKeyExW(HKEY_LOCAL_MACHINE, MUTILS_WCHR(currentKey), 0, KEY_READ, &registryKeyHandle) == ERROR_SUCCESS)
1195                         {
1196                                 for(size_t k = 0; k < 2; k++)
1197                                 {
1198                                         wchar_t Buffer[4096];
1199                                         DWORD BuffSize = sizeof(wchar_t*) * 4096;
1200                                         DWORD DataType = REG_NONE;
1201                                         if(RegQueryValueExW(registryKeyHandle, valueNames[k], 0, &DataType, reinterpret_cast<BYTE*>(Buffer), &BuffSize) == ERROR_SUCCESS)
1202                                         {
1203                                                 if((DataType == REG_SZ) || (DataType == REG_EXPAND_SZ) || (DataType == REG_LINK))
1204                                                 {
1205                                                         mplayerPath = MUTILS_QSTR(Buffer);
1206                                                         break;
1207                                                 }
1208                                         }
1209                                 }
1210                                 RegCloseKey(registryKeyHandle);
1211                         }
1212
1213                         if(!mplayerPath.isEmpty())
1214                         {
1215                                 QDir mplayerDir(mplayerPath);
1216                                 if(mplayerDir.exists())
1217                                 {
1218                                         for(size_t k = 0; k < 4; k++)
1219                                         {
1220                                                 if(mplayerDir.exists(MUTILS_QSTR(appNames[k])))
1221                                                 {
1222                                                         qDebug("Player found at:\n%s\n", MUTILS_UTF8(mplayerDir.absoluteFilePath(MUTILS_QSTR(appNames[k]))));
1223                                                         QProcess::startDetached(mplayerDir.absoluteFilePath(MUTILS_QSTR(appNames[k])), QStringList() << QDir::toNativeSeparators(mediaFilePath));
1224                                                         return true;
1225                                                 }
1226                                         }
1227                                 }
1228                         }
1229                 }
1230         }
1231         return false;
1232 }
1233
1234 ///////////////////////////////////////////////////////////////////////////////
1235 // DEBUGGER CHECK
1236 ///////////////////////////////////////////////////////////////////////////////
1237
1238 static bool change_process_priority_helper(const HANDLE hProcess, const int priority)
1239 {
1240         bool ok = false;
1241
1242         switch(qBound(-2, priority, 2))
1243         {
1244         case 2:
1245                 ok = (SetPriorityClass(hProcess, HIGH_PRIORITY_CLASS) == TRUE);
1246                 break;
1247         case 1:
1248                 if(!(ok = (SetPriorityClass(hProcess, ABOVE_NORMAL_PRIORITY_CLASS) == TRUE)))
1249                 {
1250                         ok = (SetPriorityClass(hProcess, HIGH_PRIORITY_CLASS) == TRUE);
1251                 }
1252                 break;
1253         case 0:
1254                 ok = (SetPriorityClass(hProcess, NORMAL_PRIORITY_CLASS) == TRUE);
1255                 break;
1256         case -1:
1257                 if(!(ok = (SetPriorityClass(hProcess, BELOW_NORMAL_PRIORITY_CLASS) == TRUE)))
1258                 {
1259                         ok = (SetPriorityClass(hProcess, IDLE_PRIORITY_CLASS) == TRUE);
1260                 }
1261                 break;
1262         case -2:
1263                 ok = (SetPriorityClass(hProcess, IDLE_PRIORITY_CLASS) == TRUE);
1264                 break;
1265         }
1266
1267         return ok;
1268 }
1269
1270 bool MUtils::OS::change_process_priority(const int priority)
1271 {
1272         return change_process_priority_helper(GetCurrentProcess(), priority);
1273 }
1274
1275 bool MUtils::OS::change_process_priority(const QProcess *proc, const int priority)
1276 {
1277         if(Q_PID qPid = proc->pid())
1278         {
1279                 return change_process_priority_helper(qPid->hProcess, priority);
1280         }
1281         else
1282         {
1283                 return false;
1284         }
1285 }
1286
1287 ///////////////////////////////////////////////////////////////////////////////
1288 // PROCESS ID
1289 ///////////////////////////////////////////////////////////////////////////////
1290
1291 quint32 MUtils::OS::process_id(const QProcess *const proc)
1292 {
1293         PROCESS_INFORMATION *procInf = proc->pid();
1294         return (procInf) ? procInf->dwProcessId : NULL;
1295 }
1296
1297 ///////////////////////////////////////////////////////////////////////////////
1298 // PROCESS SUSPEND/RESUME
1299 ///////////////////////////////////////////////////////////////////////////////
1300
1301 bool MUtils::OS::suspend_process(const QProcess *proc, const bool suspend)
1302 {
1303         if(Q_PID pid = proc->pid())
1304         {
1305                 if(suspend)
1306                 {
1307                         return (SuspendThread(pid->hThread) != ((DWORD) -1));
1308                 }
1309                 else
1310                 {
1311                         return (ResumeThread(pid->hThread)  != ((DWORD) -1));
1312                 }
1313         }
1314         else
1315         {
1316                 return false;
1317         }
1318 }
1319
1320 ///////////////////////////////////////////////////////////////////////////////
1321 // SYSTEM TIMER
1322 ///////////////////////////////////////////////////////////////////////////////
1323
1324 bool MUtils::OS::setup_timer_resolution(const quint32 &interval)
1325 {
1326         return timeBeginPeriod(interval) == TIMERR_NOERROR;
1327 }
1328
1329 bool MUtils::OS::reset_timer_resolution(const quint32 &interval)
1330 {
1331         return timeEndPeriod(interval) == TIMERR_NOERROR;
1332 }
1333
1334 ///////////////////////////////////////////////////////////////////////////////
1335 // SET FILE TIME
1336 ///////////////////////////////////////////////////////////////////////////////
1337
1338 static QScopedPointer<QDateTime> s_epoch;
1339 static QReadWriteLock            s_epochLock;
1340
1341 static const QDateTime *get_epoch(void)
1342 {
1343         QReadLocker rdLock(&s_epochLock);
1344
1345         if (s_epoch.isNull())
1346         {
1347                 rdLock.unlock();
1348                 QWriteLocker wrLock(&s_epochLock);
1349                 if (s_epoch.isNull())
1350                 {
1351                         s_epoch.reset(new QDateTime(QDate(1601, 1, 1), QTime(0, 0, 0, 0), Qt::UTC));
1352                 }
1353                 wrLock.unlock();
1354                 rdLock.relock();
1355         }
1356
1357         return s_epoch.data();
1358 }
1359
1360 static FILETIME *qt_time_to_file_time(FILETIME *const fileTime, const QDateTime &dateTime)
1361 {
1362         memset(fileTime, 0, sizeof(FILETIME));
1363
1364         if (const QDateTime *const epoch = get_epoch())
1365         {
1366                 const qint64 msecs = epoch->msecsTo(dateTime);
1367                 if (msecs > 0)
1368                 {
1369                         const quint64 ticks = 10000U * quint64(msecs);
1370                         fileTime->dwHighDateTime = ((ticks >> 32) & 0xFFFFFFFF);
1371                         fileTime->dwLowDateTime = (ticks & 0xFFFFFFFF);
1372                         return fileTime;
1373                 }
1374         }
1375
1376         return NULL;
1377 }
1378
1379 static bool set_file_time(const HANDLE hFile, const QDateTime &created, const QDateTime &lastMod, const QDateTime &lastAcc)
1380 {
1381         FILETIME ftCreated, ftLastMod, ftLastAcc;
1382
1383         FILETIME *const pCreated = created.isValid() ? qt_time_to_file_time(&ftCreated, created) : NULL;
1384         FILETIME *const pLastMod = lastMod.isValid() ? qt_time_to_file_time(&ftLastMod, lastMod) : NULL;
1385         FILETIME *const pLastAcc = lastAcc.isValid() ? qt_time_to_file_time(&ftLastAcc, lastAcc) : NULL;
1386
1387         if (pCreated || pLastMod || pLastAcc)
1388         {
1389                 return (SetFileTime(hFile, pCreated, pLastAcc, pLastMod) != FALSE);
1390         }
1391
1392         return false;
1393 }
1394
1395 bool MUtils::OS::set_file_time(const QFile &file, const QDateTime &created, const QDateTime &lastMod, const QDateTime &lastAcc)
1396 {
1397         const int fd = file.handle();
1398         if (fd >= 0)
1399         {
1400                 return set_file_time((HANDLE)_get_osfhandle(fd), created, lastMod, lastAcc);
1401         }
1402         return false;
1403 }
1404
1405 bool MUtils::OS::set_file_time(const QString &path, const QDateTime &created, const QDateTime &lastMod, const QDateTime &lastAcc)
1406 {
1407         const HANDLE hFile = CreateFileW(MUTILS_WCHR(path), FILE_WRITE_ATTRIBUTES, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0);
1408         bool okay = false;
1409         if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE))
1410         {
1411                 okay = set_file_time(hFile, created, lastMod, lastAcc);
1412                 CloseHandle(hFile);
1413         }
1414         return okay;
1415 }
1416
1417 ///////////////////////////////////////////////////////////////////////////////
1418 // CHECK KEY STATE
1419 ///////////////////////////////////////////////////////////////////////////////
1420
1421 bool MUtils::OS::check_key_state_esc(void)
1422 {
1423         return (GetAsyncKeyState(VK_ESCAPE) & 0x0001) != 0;
1424 }
1425
1426 ///////////////////////////////////////////////////////////////////////////////
1427 // SHELL CHANGE NOTIFICATION
1428 ///////////////////////////////////////////////////////////////////////////////
1429
1430 void MUtils::OS::shell_change_notification(void)
1431 {
1432         SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST, NULL, NULL);
1433 }
1434
1435 ///////////////////////////////////////////////////////////////////////////////
1436 // WOW64 REDIRECTION
1437 ///////////////////////////////////////////////////////////////////////////////
1438
1439 typedef BOOL (_stdcall *Wow64DisableWow64FsRedirectionFun)(void *OldValue);
1440 typedef BOOL (_stdcall *Wow64RevertWow64FsRedirectionFun )(void *OldValue);
1441
1442 bool MUtils::OS::wow64fsredir_disable(void *oldValue)
1443 {
1444         const Wow64DisableWow64FsRedirectionFun wow64redir_disable = MUtils::Win32Utils::resolve<Wow64DisableWow64FsRedirectionFun>(QLatin1String("kernel32"), QLatin1String("Wow64DisableWow64FsRedirection"));
1445         if(wow64redir_disable)
1446         {
1447                 if (wow64redir_disable(oldValue))
1448                 {
1449                         return true;
1450                 }
1451         }
1452         return false;
1453 }
1454
1455 bool MUtils::OS::wow64fsredir_revert(void *oldValue)
1456 {
1457         const Wow64RevertWow64FsRedirectionFun wow64redir_disable = MUtils::Win32Utils::resolve<Wow64RevertWow64FsRedirectionFun>(QLatin1String("kernel32"), QLatin1String("Wow64RevertWow64FsRedirection"));
1458         if (wow64redir_disable)
1459         {
1460                 if (wow64redir_disable(oldValue))
1461                 {
1462                         return true;
1463                 }
1464         }
1465         return false;
1466 }
1467
1468 ///////////////////////////////////////////////////////////////////////////////
1469 // DEBUGGER CHECK
1470 ///////////////////////////////////////////////////////////////////////////////
1471
1472 #if (!(MUTILS_DEBUG))
1473 static __forceinline bool is_debugger_present(void)
1474 {
1475         __try
1476         {
1477                 CloseHandle((HANDLE)((DWORD_PTR)-3));
1478         }
1479         __except(1)
1480         {
1481                 return true;
1482         }
1483
1484         BOOL bHaveDebugger = FALSE;
1485         if(CheckRemoteDebuggerPresent(GetCurrentProcess(), &bHaveDebugger))
1486         {
1487                 if(bHaveDebugger) return true;
1488         }
1489
1490         return IsDebuggerPresent();
1491 }
1492 static __forceinline bool check_debugger_helper(void)
1493 {
1494         if(is_debugger_present())
1495         {
1496                 MUtils::OS::fatal_exit(L"Not a debug build. Please unload debugger and try again!");
1497                 return true;
1498         }
1499         return false;
1500 }
1501 #else
1502 #define check_debugger_helper() (false)
1503 #endif
1504
1505 void MUtils::OS::check_debugger(void)
1506 {
1507         check_debugger_helper();
1508 }
1509
1510 static volatile bool g_debug_check = check_debugger_helper();
1511
1512 ///////////////////////////////////////////////////////////////////////////////
1513 // FATAL EXIT
1514 ///////////////////////////////////////////////////////////////////////////////
1515
1516 static MUtils::Internal::CriticalSection g_fatal_exit_lock;
1517 static volatile bool g_fatal_exit_flag = true;
1518
1519 static DWORD WINAPI fatal_exit_helper(LPVOID lpParameter)
1520 {
1521         MUtils::OS::system_message_err(L"GURU MEDITATION", (LPWSTR) lpParameter);
1522         return 0;
1523 }
1524
1525 void MUtils::OS::fatal_exit(const wchar_t* const errorMessage)
1526 {
1527         g_fatal_exit_lock.enter();
1528
1529         if(!g_fatal_exit_flag)
1530         {
1531                 return; /*prevent recursive invocation*/
1532         }
1533
1534         g_fatal_exit_flag = false;
1535
1536         if(g_main_thread_id != GetCurrentThreadId())
1537         {
1538                 if(HANDLE hThreadMain = OpenThread(THREAD_SUSPEND_RESUME, FALSE, g_main_thread_id))
1539                 {
1540                         SuspendThread(hThreadMain); /*stop main thread*/
1541                 }
1542         }
1543
1544         if(HANDLE hThread = CreateThread(NULL, 0, fatal_exit_helper, (LPVOID) errorMessage, 0, NULL))
1545         {
1546                 WaitForSingleObject(hThread, INFINITE);
1547         }
1548
1549         for(;;)
1550         {
1551                 TerminateProcess(GetCurrentProcess(), 666);
1552         }
1553 }
1554
1555 ///////////////////////////////////////////////////////////////////////////////