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 2016"             },        //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 inline DWORD SAFE_ADD(const DWORD &a, const DWORD &b)
 323 {
 324         const DWORD temp = a + b;
 325         return ((temp >= a) && (temp >= b)) ? temp : MAXDWORD;
 326 }
 327
 328 static void initialize_os_version(OSVERSIONINFOEXW *const osInfo)
 329 {
 330         memset(osInfo, 0, sizeof(OSVERSIONINFOEXW));
 331         osInfo->dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
 332 }
 333
 334 static bool rtl_get_version(OSVERSIONINFOEXW *const osInfo)
 335 {
 336         typedef LONG(__stdcall *RtlGetVersion)(LPOSVERSIONINFOEXW);
 337         if (const HMODULE ntdll = GetModuleHandleW(L"ntdll"))
 338         {
 339                 if (const RtlGetVersion pRtlGetVersion = (RtlGetVersion)GetProcAddress(ntdll, "RtlGetVersion"))
 340                 {
 341                         initialize_os_version(osInfo);
 342                         if (pRtlGetVersion(osInfo) == 0)
 343                         {
 344                                 return true;
 345                         }
 346                 }
 347         }
 348
 349         //Fallback
 350         initialize_os_version(osInfo);
 351         return (GetVersionExW((LPOSVERSIONINFOW)osInfo) != FALSE);
 352 }
 353
 354 static bool rtl_verify_version(OSVERSIONINFOEXW *const osInfo, const ULONG typeMask, const ULONGLONG condMask)
 355 {
 356         typedef LONG(__stdcall *RtlVerifyVersionInfo)(LPOSVERSIONINFOEXW, ULONG, ULONGLONG);
 357         if (const HMODULE ntdll = GetModuleHandleW(L"ntdll"))
 358         {
 359                 if (const RtlVerifyVersionInfo pRtlVerifyVersionInfo = (RtlVerifyVersionInfo)GetProcAddress(ntdll, "RtlVerifyVersionInfo"))
 360                 {
 361                         if (pRtlVerifyVersionInfo(osInfo, typeMask, condMask) == 0)
 362                         {
 363                                 return true;
 364                         }
 365                 }
 366         }
 367
 368         //Fallback
 369         return (VerifyVersionInfoW(osInfo, typeMask, condMask) != FALSE);
 370 }
 371
 372 static bool verify_os_version(const DWORD major, const DWORD minor)
 373 {
 374         OSVERSIONINFOEXW osvi;
 375         DWORDLONG dwlConditionMask = 0;
 376         initialize_os_version(&osvi);
 377
 378         //Initialize the OSVERSIONINFOEX structure
 379         osvi.dwMajorVersion = major;
 380         osvi.dwMinorVersion = minor;
 381         osvi.dwPlatformId = VER_PLATFORM_WIN32_NT;
 382
 383         //Initialize the condition mask
 384         VER_SET_CONDITION(dwlConditionMask, VER_MAJORVERSION, VER_GREATER_EQUAL);
 385         VER_SET_CONDITION(dwlConditionMask, VER_MINORVERSION, VER_GREATER_EQUAL);
 386         VER_SET_CONDITION(dwlConditionMask, VER_PLATFORMID,   VER_EQUAL);
 387
 388         // Perform the test
 389         const BOOL ret = rtl_verify_version(&osvi, VER_MAJORVERSION | VER_MINORVERSION | VER_PLATFORMID, dwlConditionMask);
 390
 391         //Error checking
 392         if(!ret)
 393         {
 394                 if(GetLastError() != ERROR_OLD_WIN_VERSION)
 395                 {
 396                         qWarning("VerifyVersionInfo() system call has failed!");
 397                 }
 398         }
 399
 400         return (ret != FALSE);
 401 }
 402
 403 static bool verify_os_build(const DWORD build)
 404 {
 405         OSVERSIONINFOEXW osvi;
 406         DWORDLONG dwlConditionMask = 0;
 407         initialize_os_version(&osvi);
 408
 409         //Initialize the OSVERSIONINFOEX structure
 410         osvi.dwBuildNumber = build;
 411         osvi.dwPlatformId = VER_PLATFORM_WIN32_NT;
 412
 413         //Initialize the condition mask
 414         VER_SET_CONDITION(dwlConditionMask, VER_BUILDNUMBER, VER_GREATER_EQUAL);
 415         VER_SET_CONDITION(dwlConditionMask, VER_PLATFORMID, VER_EQUAL);
 416
 417         // Perform the test
 418         const BOOL ret = rtl_verify_version(&osvi, VER_BUILDNUMBER | VER_PLATFORMID, dwlConditionMask);
 419
 420         //Error checking
 421         if (!ret)
 422         {
 423                 if (GetLastError() != ERROR_OLD_WIN_VERSION)
 424                 {
 425                         qWarning("VerifyVersionInfo() system call has failed!");
 426                 }
 427         }
 428
 429         return (ret != FALSE);
 430 }
 431
 432 static bool get_real_os_version(unsigned int *major, unsigned int *minor, unsigned int *build, bool *pbOverride)
 433 {
 434         static const DWORD MAX_VERSION = 0xFFFF;
 435
 436         *major = *minor = *build = 0;
 437         *pbOverride = false;
 438
 439         //Initialize local variables
 440         OSVERSIONINFOEXW osvi;
 441         memset(&osvi, 0, sizeof(OSVERSIONINFOEXW));
 442         osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
 443
 444         //Try GetVersionEx() first
 445         if(rtl_get_version(&osvi) == FALSE)
 446         {
 447                 qWarning("GetVersionEx() has failed, cannot detect Windows version!");
 448                 return false;
 449         }
 450
 451         //Make sure we are running on NT
 452         if(osvi.dwPlatformId == VER_PLATFORM_WIN32_NT)
 453         {
 454                 *major = osvi.dwMajorVersion;
 455                 *minor = osvi.dwMinorVersion;
 456                 *build = osvi.dwBuildNumber;
 457         }
 458         else
 459         {
 460                 if (verify_os_version(4, 0))
 461                 {
 462                         *major = 4;
 463                         *build = 1381;
 464                         *pbOverride = true;
 465                 }
 466                 else
 467                 {
 468                         qWarning("Not running on Windows NT, unsupported operating system!");
 469                         return false;
 470                 }
 471         }
 472
 473         //Major Version
 474         for (DWORD nextMajor = (*major) + 1; nextMajor <= MAX_VERSION; nextMajor++)
 475         {
 476                 if (verify_os_version(nextMajor, 0))
 477                 {
 478                         *major = nextMajor;
 479                         *minor = 0;
 480                         *pbOverride = true;
 481                         continue;
 482                 }
 483                 break;
 484         }
 485
 486         //Minor Version
 487         for (DWORD nextMinor = (*minor) + 1; nextMinor <= MAX_VERSION; nextMinor++)
 488         {
 489                 if (verify_os_version((*major), nextMinor))
 490                 {
 491                         *minor = nextMinor;
 492                         *pbOverride = true;
 493                         continue;
 494                 }
 495                 break;
 496         }
 497
 498         //Build Version
 499         DWORD stepSize = 32768;
 500         for (DWORD nextBuildNo = SAFE_ADD((*build), stepSize); (*build) < MAXDWORD; nextBuildNo = SAFE_ADD((*build), stepSize))
 501         {
 502                 if (verify_os_build(nextBuildNo))
 503                 {
 504                         *build = nextBuildNo;
 505                         *pbOverride = true;
 506                         continue;
 507                 }
 508                 if (stepSize > 1)
 509                 {
 510                         stepSize = stepSize / 2;
 511                         continue;
 512                 }
 513                 break;
 514         }
 515
 516         return true;
 517 }
 518
 519 const MUtils::OS::Version::os_version_t &MUtils::OS::os_version(void)
 520 {
 521         QReadLocker readLock(&g_os_version_lock);
 522
 523         //Already initialized?
 524         if(g_os_version_initialized)
 525         {
 526                 return g_os_version_info;
 527         }
 528
 529         readLock.unlock();
 530         QWriteLocker writeLock(&g_os_version_lock);
 531
 532         //Initialized now?
 533         if(g_os_version_initialized)
 534         {
 535                 return g_os_version_info;
 536         }
 537
 538         //Detect OS version
 539         unsigned int major, minor, build; bool overrideFlg;
 540         if(get_real_os_version(&major, &minor, &build, &overrideFlg))
 541         {
 542                 g_os_version_info.type = Version::OS_WINDOWS;
 543                 g_os_version_info.versionMajor = major;
 544                 g_os_version_info.versionMinor = minor;
 545                 g_os_version_info.versionBuild = build;
 546                 g_os_version_info.overrideFlag = overrideFlg;
 547         }
 548         else
 549         {
 550                 qWarning("Failed to determin the operating system version!");
 551         }
 552
 553         //Completed
 554         g_os_version_initialized = true;
 555         return g_os_version_info;
 556 }
 557
 558 const char *MUtils::OS::os_friendly_name(const MUtils::OS::Version::os_version_t &os_version)
 559 {
 560         for(size_t i = 0; g_os_version_lut[i].version != MUtils::OS::Version::UNKNOWN_OPSYS; i++)
 561         {
 562                 if(os_version == g_os_version_lut[i].version)
 563                 {
 564                         return g_os_version_lut[i].friendlyName;
 565                 }
 566         }
 567
 568         return NULL;
 569 }
 570
 571 ///////////////////////////////////////////////////////////////////////////////
 572 // WINE DETECTION
 573 ///////////////////////////////////////////////////////////////////////////////
 574
 575 static bool g_wine_deteced = false;
 576 static bool g_wine_initialized = false;
 577 static QReadWriteLock g_wine_lock;
 578
 579 static const bool detect_wine(void)
 580 {
 581         void *const ptr = MUtils::Win32Utils::resolve<void*>(QLatin1String("ntdll"), QLatin1String("wine_get_version"));
 582         return (ptr != NULL);
 583 }
 584
 585 const bool &MUtils::OS::running_on_wine(void)
 586 {
 587         QReadLocker readLock(&g_wine_lock);
 588
 589         //Already initialized?
 590         if(g_wine_initialized)
 591         {
 592                 return g_wine_deteced;
 593         }
 594
 595         readLock.unlock();
 596         QWriteLocker writeLock(&g_wine_lock);
 597
 598         //Initialized now?
 599         if(g_wine_initialized)
 600         {
 601                 return g_wine_deteced;
 602         }
 603
 604         //Try to detect Wine
 605         g_wine_deteced = detect_wine();
 606         g_wine_initialized = true;
 607
 608         return g_wine_deteced;
 609 }
 610
 611 ///////////////////////////////////////////////////////////////////////////////
 612 // KNWON FOLDERS
 613 ///////////////////////////////////////////////////////////////////////////////
 614
 615 typedef QMap<size_t, QString> KFMap;
 616 typedef HRESULT (WINAPI *SHGetKnownFolderPath_t)(const GUID &rfid, DWORD dwFlags, HANDLE hToken, PWSTR *ppszPath);
 617 typedef HRESULT (WINAPI *SHGetFolderPath_t)     (HWND hwndOwner, int nFolder, HANDLE hToken, DWORD dwFlags, LPWSTR pszPath);
 618
 619 static QScopedPointer<KFMap>  g_known_folders_map;
 620 static QReadWriteLock         g_known_folders_lock;
 621
 622 const QString &MUtils::OS::known_folder(known_folder_t folder_id)
 623 {
 624         typedef enum { KF_FLAG_CREATE = 0x00008000 } kf_flags_t;
 625
 626         struct
 627         {
 628                 const int csidl;
 629                 const GUID guid;
 630         }
 631         static s_folders[] =
 632         {
 633                 { 0x001c, {0xF1B32785,0x6FBA,0x4FCF,{0x9D,0x55,0x7B,0x8E,0x7F,0x15,0x70,0x91}} },  //CSIDL_LOCAL_APPDATA
 634                 { 0x0026, {0x905e63b6,0xc1bf,0x494e,{0xb2,0x9c,0x65,0xb7,0x32,0xd3,0xd2,0x1a}} },  //CSIDL_PROGRAM_FILES
 635                 { 0x0024, {0xF38BF404,0x1D43,0x42F2,{0x93,0x05,0x67,0xDE,0x0B,0x28,0xFC,0x23}} },  //CSIDL_WINDOWS_FOLDER
 636                 { 0x0025, {0x1AC14E77,0x02E7,0x4E5D,{0xB7,0x44,0x2E,0xB1,0xAE,0x51,0x98,0xB7}} },  //CSIDL_SYSTEM_FOLDER
 637         };
 638
 639         size_t folderId = size_t(-1);
 640
 641         switch(folder_id)
 642         {
 643                 case FOLDER_LOCALAPPDATA: folderId = 0; break;
 644                 case FOLDER_PROGRAMFILES: folderId = 1; break;
 645                 case FOLDER_SYSTROOT_DIR: folderId = 2; break;
 646                 case FOLDER_SYSTEMFOLDER: folderId = 3; break;
 647         }
 648
 649         if(folderId == size_t(-1))
 650         {
 651                 qWarning("Invalid 'known' folder was requested!");
 652                 return *reinterpret_cast<QString*>(NULL);
 653         }
 654
 655         QReadLocker readLock(&g_known_folders_lock);
 656
 657         //Already in cache?
 658         if(!g_known_folders_map.isNull())
 659         {
 660                 if(g_known_folders_map->contains(folderId))
 661                 {
 662                         return g_known_folders_map->operator[](folderId);
 663                 }
 664         }
 665
 666         //Obtain write lock to initialize
 667         readLock.unlock();
 668         QWriteLocker writeLock(&g_known_folders_lock);
 669
 670         //Still not in cache?
 671         if(!g_known_folders_map.isNull())
 672         {
 673                 if(g_known_folders_map->contains(folderId))
 674                 {
 675                         return g_known_folders_map->operator[](folderId);
 676                 }
 677         }
 678
 679         //Initialize on first call
 680         if(g_known_folders_map.isNull())
 681         {
 682                 g_known_folders_map.reset(new QMap<size_t, QString>());
 683         }
 684
 685         QString folderPath;
 686
 687         //Now try to get the folder path!
 688         if(const SHGetKnownFolderPath_t known_folders_fpGetKnownFolderPath = MUtils::Win32Utils::resolve<SHGetKnownFolderPath_t>(QLatin1String("shell32"), QLatin1String("SHGetKnownFolderPath")))
 689         {
 690                 WCHAR *path = NULL;
 691                 if(known_folders_fpGetKnownFolderPath(s_folders[folderId].guid, KF_FLAG_CREATE, NULL, &path) == S_OK)
 692                 {
 693                         //MessageBoxW(0, path, L"SHGetKnownFolderPath", MB_TOPMOST);
 694                         QDir folderTemp = QDir(QDir::fromNativeSeparators(MUTILS_QSTR(path)));
 695                         if(folderTemp.exists())
 696                         {
 697                                 folderPath = folderTemp.canonicalPath();
 698                         }
 699                         CoTaskMemFree(path);
 700                 }
 701         }
 702         else if(const SHGetFolderPath_t known_folders_fpGetFolderPath = MUtils::Win32Utils::resolve<SHGetFolderPath_t>(QLatin1String("shell32"), QLatin1String("SHGetFolderPathW")))
 703         {
 704                 QScopedArrayPointer<WCHAR> path(new WCHAR[4096]);
 705                 if(known_folders_fpGetFolderPath(NULL, s_folders[folderId].csidl | CSIDL_FLAG_CREATE, NULL, NULL, path.data()) == S_OK)
 706                 {
 707                         //MessageBoxW(0, path, L"SHGetFolderPathW", MB_TOPMOST);
 708                         QDir folderTemp = QDir(QDir::fromNativeSeparators(MUTILS_QSTR(path.data())));
 709                         if(folderTemp.exists())
 710                         {
 711                                 folderPath = folderTemp.canonicalPath();
 712                         }
 713                 }
 714         }
 715
 716         //Update cache
 717         g_known_folders_map->insert(folderId, folderPath);
 718         return g_known_folders_map->operator[](folderId);
 719 }
 720
 721 ///////////////////////////////////////////////////////////////////////////////
 722 // CURRENT DATA & TIME
 723 ///////////////////////////////////////////////////////////////////////////////
 724
 725 QDate MUtils::OS::current_date(void)
 726 {
 727         const DWORD MAX_PROC = 1024;
 728         QScopedArrayPointer<DWORD> processes(new DWORD[MAX_PROC]);
 729         DWORD bytesReturned = 0;
 730
 731         if(!EnumProcesses(processes.data(), sizeof(DWORD) * MAX_PROC, &bytesReturned))
 732         {
 733                 return QDate::currentDate();
 734         }
 735
 736         const DWORD procCount = bytesReturned / sizeof(DWORD);
 737         ULARGE_INTEGER lastStartTime;
 738         memset(&lastStartTime, 0, sizeof(ULARGE_INTEGER));
 739
 740         for(DWORD i = 0; i < procCount; i++)
 741         {
 742                 if(HANDLE hProc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, processes[i]))
 743                 {
 744                         FILETIME processTime[4];
 745                         if(GetProcessTimes(hProc, &processTime[0], &processTime[1], &processTime[2], &processTime[3]))
 746                         {
 747                                 ULARGE_INTEGER timeCreation;
 748                                 timeCreation.LowPart  = processTime[0].dwLowDateTime;
 749                                 timeCreation.HighPart = processTime[0].dwHighDateTime;
 750                                 if(timeCreation.QuadPart > lastStartTime.QuadPart)
 751                                 {
 752                                         lastStartTime.QuadPart = timeCreation.QuadPart;
 753                                 }
 754                         }
 755                         CloseHandle(hProc);
 756                 }
 757         }
 758
 759         FILETIME lastStartTime_fileTime;
 760         lastStartTime_fileTime.dwHighDateTime = lastStartTime.HighPart;
 761         lastStartTime_fileTime.dwLowDateTime  = lastStartTime.LowPart;
 762
 763         FILETIME lastStartTime_localTime;
 764         if(!FileTimeToLocalFileTime(&lastStartTime_fileTime, &lastStartTime_localTime))
 765         {
 766                 memcpy(&lastStartTime_localTime, &lastStartTime_fileTime, sizeof(FILETIME));
 767         }
 768
 769         SYSTEMTIME lastStartTime_system;
 770         if(!FileTimeToSystemTime(&lastStartTime_localTime, &lastStartTime_system))
 771         {
 772                 memset(&lastStartTime_system, 0, sizeof(SYSTEMTIME));
 773                 lastStartTime_system.wYear = 1970; lastStartTime_system.wMonth = lastStartTime_system.wDay = 1;
 774         }
 775
 776         const QDate currentDate = QDate::currentDate();
 777         const QDate processDate = QDate(lastStartTime_system.wYear, lastStartTime_system.wMonth, lastStartTime_system.wDay);
 778         return (currentDate >= processDate) ? currentDate : processDate;
 779 }
 780
 781 quint64 MUtils::OS::current_file_time(void)
 782 {
 783         FILETIME fileTime;
 784         GetSystemTimeAsFileTime(&fileTime);
 785
 786         ULARGE_INTEGER temp;
 787         temp.HighPart = fileTime.dwHighDateTime;
 788         temp.LowPart = fileTime.dwLowDateTime;
 789
 790         return temp.QuadPart;
 791 }
 792
 793 ///////////////////////////////////////////////////////////////////////////////
 794 // FILE PATH FROM FD
 795 ///////////////////////////////////////////////////////////////////////////////
 796
 797 typedef DWORD(_stdcall *GetPathNameByHandleFun)(HANDLE hFile, LPWSTR lpszFilePath, DWORD cchFilePath, DWORD dwFlags);
 798
 799 static QString get_file_path_drive_list(void)
 800 {
 801         QString list;
 802         const DWORD len = GetLogicalDriveStringsW(0, NULL);
 803         if (len > 0)
 804         {
 805                 if (wchar_t *const buffer = (wchar_t*) _malloca(sizeof(wchar_t) * len))
 806                 {
 807                         const DWORD ret = GetLogicalDriveStringsW(len, buffer);
 808                         if ((ret > 0) && (ret < len))
 809                         {
 810                                 const wchar_t *ptr = buffer;
 811                                 while (const size_t current_len = wcslen(ptr))
 812                                 {
 813                                         list.append(QChar(*reinterpret_cast<const ushort*>(ptr)));
 814                                         ptr += (current_len + 1);
 815                                 }
 816                         }
 817                         _freea(buffer);
 818                 }
 819         }
 820         return list;
 821 }
 822
 823 static void get_file_path_translate(QString &path)
 824 {
 825         static const DWORD BUFSIZE = 2048;
 826         wchar_t buffer[BUFSIZE], drive[3];
 827
 828         const QString driveList = get_file_path_drive_list();
 829         wcscpy_s(drive, 3, L"?:");
 830         for (const wchar_t *current = MUTILS_WCHR(driveList); *current; current++)
 831         {
 832                 drive[0] = (*current);
 833                 if (QueryDosDeviceW(drive, buffer, MAX_PATH))
 834                 {
 835                         const QString prefix = MUTILS_QSTR(buffer);
 836                         if (path.startsWith(prefix, Qt::CaseInsensitive))
 837                         {
 838                                 path.remove(0, prefix.length()).prepend(QLatin1Char(':')).prepend(QChar(*reinterpret_cast<const ushort*>(current)));
 839                                 break;
 840                         }
 841                 }
 842         }
 843 }
 844
 845 static QString get_file_path_fallback(const HANDLE &hFile)
 846 {
 847         QString filePath;
 848
 849         const HANDLE hFileMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 1, NULL);
 850         if (hFileMap)
 851         {
 852                 void *const pMem = MapViewOfFile(hFileMap, FILE_MAP_READ, 0, 0, 1);
 853                 if (pMem)
 854                 {
 855                         static const size_t BUFFSIZE = 2048;
 856                         wchar_t buffer[BUFFSIZE];
 857                         if (GetMappedFileNameW(GetCurrentProcess(), pMem, buffer, BUFFSIZE) > 0)
 858                         {
 859                                 filePath = MUTILS_QSTR(buffer);
 860                         }
 861                         UnmapViewOfFile(pMem);
 862                 }
 863                 CloseHandle(hFileMap);
 864         }
 865
 866         if (!filePath.isEmpty())
 867         {
 868                 get_file_path_translate(filePath);
 869         }
 870
 871         return filePath;
 872 }
 873
 874 QString MUtils::OS::get_file_path(const int &fd)
 875 {
 876         if (fd >= 0)
 877         {
 878                 const GetPathNameByHandleFun getPathNameByHandleFun = MUtils::Win32Utils::resolve<GetPathNameByHandleFun>(QLatin1String("kernel32"), QLatin1String("GetFinalPathNameByHandleW"));
 879                 if (!getPathNameByHandleFun)
 880                 {
 881                         return get_file_path_fallback((HANDLE)_get_osfhandle(fd));
 882                 }
 883
 884                 const HANDLE handle = (HANDLE) _get_osfhandle(fd);
 885                 const DWORD len = getPathNameByHandleFun(handle, NULL, 0, FILE_NAME_OPENED);
 886                 if (len > 0)
 887                 {
 888                         if (wchar_t *const buffer = (wchar_t*)_malloca(sizeof(wchar_t) * len))
 889                         {
 890                                 const DWORD ret = getPathNameByHandleFun(handle, buffer, len, FILE_NAME_OPENED);
 891                                 if ((ret > 0) && (ret < len))
 892                                 {
 893                                         const QString path(MUTILS_QSTR(buffer));
 894                                         return path.startsWith(QLatin1String("\\\\?\\")) ? path.mid(4) : path;
 895                                 }
 896                                 _freea(buffer);
 897                         }
 898                 }
 899         }
 900
 901         return QString();
 902 }
 903
 904 ///////////////////////////////////////////////////////////////////////////////
 905 // PROCESS ELEVATION
 906 ///////////////////////////////////////////////////////////////////////////////
 907
 908 static bool user_is_admin_helper(void)
 909 {
 910         HANDLE hToken = NULL;
 911         if(!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken))
 912         {
 913                 return false;
 914         }
 915
 916         DWORD dwSize = 0;
 917         if(!GetTokenInformation(hToken, TokenGroups, NULL, 0, &dwSize))
 918         {
 919                 if(GetLastError() != ERROR_INSUFFICIENT_BUFFER)
 920                 {
 921                         CloseHandle(hToken);
 922                         return false;
 923                 }
 924         }
 925
 926         PTOKEN_GROUPS lpGroups = (PTOKEN_GROUPS) malloc(dwSize);
 927         if(!lpGroups)
 928         {
 929                 CloseHandle(hToken);
 930                 return false;
 931         }
 932
 933         if(!GetTokenInformation(hToken, TokenGroups, lpGroups, dwSize, &dwSize))
 934         {
 935                 free(lpGroups);
 936                 CloseHandle(hToken);
 937                 return false;
 938         }
 939
 940         PSID lpSid = NULL; SID_IDENTIFIER_AUTHORITY Authority = {SECURITY_NT_AUTHORITY};
 941         if(!AllocateAndInitializeSid(&Authority, 2, SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_ALIAS_RID_ADMINS, 0, 0, 0, 0, 0, 0, &lpSid))
 942         {
 943                 free(lpGroups);
 944                 CloseHandle(hToken);
 945                 return false;
 946         }
 947
 948         bool bResult = false;
 949         for(DWORD i = 0; i < lpGroups->GroupCount; i++)
 950         {
 951                 if(EqualSid(lpSid, lpGroups->Groups[i].Sid))
 952                 {
 953                         bResult = true;
 954                         break;
 955                 }
 956         }
 957
 958         FreeSid(lpSid);
 959         free(lpGroups);
 960         CloseHandle(hToken);
 961         return bResult;
 962 }
 963
 964 bool MUtils::OS::is_elevated(bool *bIsUacEnabled)
 965 {
 966         if(bIsUacEnabled)
 967         {
 968                 *bIsUacEnabled = false;
 969         }
 970
 971         bool bIsProcessElevated = false;
 972         HANDLE hToken = NULL;
 973
 974         if(OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken))
 975         {
 976                 TOKEN_ELEVATION_TYPE tokenElevationType;
 977                 DWORD returnLength;
 978                 if(GetTokenInformation(hToken, TokenElevationType, &tokenElevationType, sizeof(TOKEN_ELEVATION_TYPE), &returnLength))
 979                 {
 980                         if(returnLength == sizeof(TOKEN_ELEVATION_TYPE))
 981                         {
 982                                 switch(tokenElevationType)
 983                                 {
 984                                 case TokenElevationTypeDefault:
 985                                         qDebug("Process token elevation type: Default -> UAC is disabled.\n");
 986                                         break;
 987                                 case TokenElevationTypeFull:
 988                                         qWarning("Process token elevation type: Full -> potential security risk!\n");
 989                                         bIsProcessElevated = true;
 990                                         if(bIsUacEnabled) *bIsUacEnabled = true;
 991                                         break;
 992                                 case TokenElevationTypeLimited:
 993                                         qDebug("Process token elevation type: Limited -> not elevated.\n");
 994                                         if(bIsUacEnabled) *bIsUacEnabled = true;
 995                                         break;
 996                                 default:
 997                                         qWarning("Unknown tokenElevationType value: %d", tokenElevationType);
 998                                         break;
 999                                 }
1000                         }
1001                         else
1002                         {
1003                                 qWarning("GetTokenInformation() return an unexpected size!");
1004                         }
1005                 }
1006                 CloseHandle(hToken);
1007         }
1008         else
1009         {
1010                 qWarning("Failed to open process token!");
1011         }
1012
1013         return bIsProcessElevated;
1014 }
1015
1016 bool MUtils::OS::user_is_admin(void)
1017 {
1018         bool isAdmin = false;
1019
1020         //Check for process elevation and UAC support first!
1021         if(MUtils::OS::is_elevated(&isAdmin))
1022         {
1023                 qWarning("Process is elevated -> user is admin!");
1024                 return true;
1025         }
1026
1027         //If not elevated and UAC is not available -> user must be in admin group!
1028         if(!isAdmin)
1029         {
1030                 qDebug("UAC is disabled/unavailable -> checking for Administrators group");
1031                 isAdmin = user_is_admin_helper();
1032         }
1033
1034         return isAdmin;
1035 }
1036
1037 ///////////////////////////////////////////////////////////////////////////////
1038 // NETWORK STATE
1039 ///////////////////////////////////////////////////////////////////////////////
1040
1041 int MUtils::OS::network_status(void)
1042 {
1043         DWORD dwFlags;
1044         const BOOL ret = IsNetworkAlive(&dwFlags);
1045         if(GetLastError() == 0)
1046         {
1047                 return (ret != FALSE) ? NETWORK_TYPE_YES : NETWORK_TYPE_NON;
1048         }
1049         return NETWORK_TYPE_ERR;
1050 }
1051
1052 ///////////////////////////////////////////////////////////////////////////////
1053 // MESSAGE HANDLER
1054 ///////////////////////////////////////////////////////////////////////////////
1055
1056 bool MUtils::OS::handle_os_message(const void *const message, long *result)
1057 {
1058         const MSG *const msg = reinterpret_cast<const MSG*>(message);
1059
1060         switch(msg->message)
1061         {
1062         case WM_QUERYENDSESSION:
1063                 qWarning("WM_QUERYENDSESSION message received!");
1064                 *result = MUtils::GUI::broadcast(MUtils::GUI::USER_EVENT_QUERYENDSESSION, false) ? TRUE : FALSE;
1065                 return true;
1066         case WM_ENDSESSION:
1067                 qWarning("WM_ENDSESSION message received!");
1068                 if(msg->wParam == TRUE)
1069                 {
1070                         MUtils::GUI::broadcast(MUtils::GUI::USER_EVENT_ENDSESSION, false);
1071                         MUtils::GUI::force_quit();
1072                         exit(1);
1073                 }
1074                 *result = 0;
1075                 return true;
1076         default:
1077                 /*ignore this message and let Qt handle it*/
1078                 return false;
1079         }
1080 }
1081
1082 ///////////////////////////////////////////////////////////////////////////////
1083 // SLEEP
1084 ///////////////////////////////////////////////////////////////////////////////
1085
1086 void MUtils::OS::sleep_ms(const size_t &duration)
1087 {
1088         Sleep((DWORD) duration);
1089 }
1090
1091 ///////////////////////////////////////////////////////////////////////////////
1092 // EXECUTABLE CHECK
1093 ///////////////////////////////////////////////////////////////////////////////
1094
1095 static int g_library_as_image_resource_supported = -1;
1096 static QReadWriteLock g_library_as_image_resource_supported_lock;
1097
1098 static bool library_as_image_resource_supported()
1099 {
1100         QReadLocker readLocker(&g_library_as_image_resource_supported_lock);
1101         if (g_library_as_image_resource_supported >= 0)
1102         {
1103                 return (g_library_as_image_resource_supported > 0);
1104         }
1105
1106         readLocker.unlock();
1107         QWriteLocker writeLocker(&g_library_as_image_resource_supported_lock);
1108
1109         if (g_library_as_image_resource_supported < 0)
1110         {
1111                 g_library_as_image_resource_supported = 0;
1112                 OSVERSIONINFOEXW osvi;
1113                 if (rtl_get_version(&osvi))
1114                 {
1115                         if ((osvi.dwPlatformId == VER_PLATFORM_WIN32_NT) && (osvi.dwMajorVersion >= 6U))
1116                         {
1117                                 g_library_as_image_resource_supported = 1;
1118                         }
1119                 }
1120         }
1121
1122         return (g_library_as_image_resource_supported > 0);
1123 }
1124
1125 bool MUtils::OS::is_executable_file(const QString &path)
1126 {
1127         DWORD binaryType;
1128         if(GetBinaryType(MUTILS_WCHR(QDir::toNativeSeparators(path)), &binaryType))
1129         {
1130                 return ((binaryType == SCS_32BIT_BINARY) || (binaryType == SCS_64BIT_BINARY));
1131         }
1132
1133         const DWORD errorCode = GetLastError();
1134         qWarning("GetBinaryType() failed with error: 0x%08X", errorCode);
1135         return false;
1136 }
1137
1138 bool MUtils::OS::is_library_file(const QString &path)
1139 {
1140         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);
1141         if (const HMODULE hMod = LoadLibraryEx(MUTILS_WCHR(QDir::toNativeSeparators(path)), NULL, flags))
1142         {
1143                 FreeLibrary(hMod);
1144                 return true;
1145         }
1146
1147         const DWORD errorCode = GetLastError();
1148         qWarning("LoadLibraryEx() failed with error: 0x%08X", errorCode);
1149         return false;
1150 }
1151
1152 ///////////////////////////////////////////////////////////////////////////////
1153 // HIBERNATION / SHUTDOWN
1154 ///////////////////////////////////////////////////////////////////////////////
1155
1156 bool MUtils::OS::is_hibernation_supported(void)
1157 {
1158         bool hibernationSupported = false;
1159
1160         SYSTEM_POWER_CAPABILITIES pwrCaps;
1161         SecureZeroMemory(&pwrCaps, sizeof(SYSTEM_POWER_CAPABILITIES));
1162
1163         if(GetPwrCapabilities(&pwrCaps))
1164         {
1165                 hibernationSupported = pwrCaps.SystemS4 && pwrCaps.HiberFilePresent;
1166         }
1167
1168         return hibernationSupported;
1169 }
1170
1171 bool MUtils::OS::shutdown_computer(const QString &message, const unsigned long timeout, const bool forceShutdown, const bool hibernate)
1172 {
1173         HANDLE hToken = NULL;
1174
1175         if(OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken))
1176         {
1177                 TOKEN_PRIVILEGES privileges;
1178                 memset(&privileges, 0, sizeof(TOKEN_PRIVILEGES));
1179                 privileges.PrivilegeCount = 1;
1180                 privileges.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
1181
1182                 if(LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME, &privileges.Privileges[0].Luid))
1183                 {
1184                         if(AdjustTokenPrivileges(hToken, FALSE, &privileges, NULL, NULL, NULL))
1185                         {
1186                                 if(hibernate)
1187                                 {
1188                                         if(SetSuspendState(TRUE, TRUE, TRUE))
1189                                         {
1190                                                 return true;
1191                                         }
1192                                 }
1193                                 const DWORD reason = SHTDN_REASON_MAJOR_APPLICATION | SHTDN_REASON_FLAG_PLANNED;
1194                                 return InitiateSystemShutdownEx(NULL, const_cast<wchar_t*>(MUTILS_WCHR(message)), timeout, forceShutdown ? TRUE : FALSE, FALSE, reason);
1195                         }
1196                 }
1197         }
1198
1199         return false;
1200 }
1201
1202 ///////////////////////////////////////////////////////////////////////////////
1203 // FREE DISKSPACE
1204 ///////////////////////////////////////////////////////////////////////////////
1205
1206 bool MUtils::OS::free_diskspace(const QString &path, quint64 &freeSpace)
1207 {
1208         ULARGE_INTEGER freeBytesAvailable, totalNumberOfBytes, totalNumberOfFreeBytes;
1209         if(GetDiskFreeSpaceExW(reinterpret_cast<const wchar_t*>(QDir::toNativeSeparators(path).utf16()), &freeBytesAvailable, &totalNumberOfBytes, &totalNumberOfFreeBytes))
1210         {
1211                 freeSpace = freeBytesAvailable.QuadPart;
1212                 return true;;
1213         }
1214
1215         freeSpace = -1;
1216         return false;
1217 }
1218
1219 ///////////////////////////////////////////////////////////////////////////////
1220 // SHELL OPEN
1221 ///////////////////////////////////////////////////////////////////////////////
1222
1223 bool MUtils::OS::shell_open(const QWidget *parent, const QString &url, const QString &parameters, const QString &directory, const bool explore)
1224 {
1225         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;
1226 }
1227
1228 bool MUtils::OS::shell_open(const QWidget *parent, const QString &url, const bool explore)
1229 {
1230         return shell_open(parent, url, QString(), QString(), explore);
1231 }
1232
1233 ///////////////////////////////////////////////////////////////////////////////
1234 // OPEN MEDIA FILE
1235 ///////////////////////////////////////////////////////////////////////////////
1236
1237 bool MUtils::OS::open_media_file(const QString &mediaFilePath)
1238 {
1239         const static wchar_t *registryPrefix[2] = { L"SOFTWARE\\", L"SOFTWARE\\Wow6432Node\\" };
1240         const static wchar_t *registryKeys[3] =
1241         {
1242                 L"Microsoft\\Windows\\CurrentVersion\\Uninstall\\{97D341C8-B0D1-4E4A-A49A-C30B52F168E9}",
1243                 L"Microsoft\\Windows\\CurrentVersion\\Uninstall\\{DB9E4EAB-2717-499F-8D56-4CC8A644AB60}",
1244                 L"foobar2000"
1245         };
1246         const static wchar_t *appNames[4] = { L"smplayer_portable.exe", L"smplayer.exe", L"MPUI.exe", L"foobar2000.exe" };
1247         const static wchar_t *valueNames[2] = { L"InstallLocation", L"InstallDir" };
1248
1249         for(size_t i = 0; i < 3; i++)
1250         {
1251                 for(size_t j = 0; j < 2; j++)
1252                 {
1253                         QString mplayerPath;
1254                         HKEY registryKeyHandle = NULL;
1255
1256                         const QString currentKey = MUTILS_QSTR(registryPrefix[j]).append(MUTILS_QSTR(registryKeys[i]));
1257                         if(RegOpenKeyExW(HKEY_LOCAL_MACHINE, MUTILS_WCHR(currentKey), 0, KEY_READ, &registryKeyHandle) == ERROR_SUCCESS)
1258                         {
1259                                 for(size_t k = 0; k < 2; k++)
1260                                 {
1261                                         wchar_t Buffer[4096];
1262                                         DWORD BuffSize = sizeof(wchar_t*) * 4096;
1263                                         DWORD DataType = REG_NONE;
1264                                         if(RegQueryValueExW(registryKeyHandle, valueNames[k], 0, &DataType, reinterpret_cast<BYTE*>(Buffer), &BuffSize) == ERROR_SUCCESS)
1265                                         {
1266                                                 if((DataType == REG_SZ) || (DataType == REG_EXPAND_SZ) || (DataType == REG_LINK))
1267                                                 {
1268                                                         mplayerPath = MUTILS_QSTR(Buffer);
1269                                                         break;
1270                                                 }
1271                                         }
1272                                 }
1273                                 RegCloseKey(registryKeyHandle);
1274                         }
1275
1276                         if(!mplayerPath.isEmpty())
1277                         {
1278                                 QDir mplayerDir(mplayerPath);
1279                                 if(mplayerDir.exists())
1280                                 {
1281                                         for(size_t k = 0; k < 4; k++)
1282                                         {
1283                                                 if(mplayerDir.exists(MUTILS_QSTR(appNames[k])))
1284                                                 {
1285                                                         qDebug("Player found at:\n%s\n", MUTILS_UTF8(mplayerDir.absoluteFilePath(MUTILS_QSTR(appNames[k]))));
1286                                                         QProcess::startDetached(mplayerDir.absoluteFilePath(MUTILS_QSTR(appNames[k])), QStringList() << QDir::toNativeSeparators(mediaFilePath));
1287                                                         return true;
1288                                                 }
1289                                         }
1290                                 }
1291                         }
1292                 }
1293         }
1294         return false;
1295 }
1296
1297 ///////////////////////////////////////////////////////////////////////////////
1298 // DEBUGGER CHECK
1299 ///////////////////////////////////////////////////////////////////////////////
1300
1301 static bool change_process_priority_helper(const HANDLE hProcess, const int priority)
1302 {
1303         bool ok = false;
1304
1305         switch(qBound(-2, priority, 2))
1306         {
1307         case 2:
1308                 ok = (SetPriorityClass(hProcess, HIGH_PRIORITY_CLASS) == TRUE);
1309                 break;
1310         case 1:
1311                 if(!(ok = (SetPriorityClass(hProcess, ABOVE_NORMAL_PRIORITY_CLASS) == TRUE)))
1312                 {
1313                         ok = (SetPriorityClass(hProcess, HIGH_PRIORITY_CLASS) == TRUE);
1314                 }
1315                 break;
1316         case 0:
1317                 ok = (SetPriorityClass(hProcess, NORMAL_PRIORITY_CLASS) == TRUE);
1318                 break;
1319         case -1:
1320                 if(!(ok = (SetPriorityClass(hProcess, BELOW_NORMAL_PRIORITY_CLASS) == TRUE)))
1321                 {
1322                         ok = (SetPriorityClass(hProcess, IDLE_PRIORITY_CLASS) == TRUE);
1323                 }
1324                 break;
1325         case -2:
1326                 ok = (SetPriorityClass(hProcess, IDLE_PRIORITY_CLASS) == TRUE);
1327                 break;
1328         }
1329
1330         return ok;
1331 }
1332
1333 bool MUtils::OS::change_process_priority(const int priority)
1334 {
1335         return change_process_priority_helper(GetCurrentProcess(), priority);
1336 }
1337
1338 bool MUtils::OS::change_process_priority(const QProcess *proc, const int priority)
1339 {
1340         if(Q_PID qPid = proc->pid())
1341         {
1342                 return change_process_priority_helper(qPid->hProcess, priority);
1343         }
1344         else
1345         {
1346                 return false;
1347         }
1348 }
1349
1350 ///////////////////////////////////////////////////////////////////////////////
1351 // PROCESS ID
1352 ///////////////////////////////////////////////////////////////////////////////
1353
1354 quint32 MUtils::OS::process_id(const QProcess *const proc)
1355 {
1356         PROCESS_INFORMATION *procInf = proc->pid();
1357         return (procInf) ? procInf->dwProcessId : NULL;
1358 }
1359
1360 ///////////////////////////////////////////////////////////////////////////////
1361 // PROCESS SUSPEND/RESUME
1362 ///////////////////////////////////////////////////////////////////////////////
1363
1364 bool MUtils::OS::suspend_process(const QProcess *proc, const bool suspend)
1365 {
1366         if(Q_PID pid = proc->pid())
1367         {
1368                 if(suspend)
1369                 {
1370                         return (SuspendThread(pid->hThread) != ((DWORD) -1));
1371                 }
1372                 else
1373                 {
1374                         return (ResumeThread(pid->hThread)  != ((DWORD) -1));
1375                 }
1376         }
1377         else
1378         {
1379                 return false;
1380         }
1381 }
1382
1383 ///////////////////////////////////////////////////////////////////////////////
1384 // SYSTEM TIMER
1385 ///////////////////////////////////////////////////////////////////////////////
1386
1387 bool MUtils::OS::setup_timer_resolution(const quint32 &interval)
1388 {
1389         return timeBeginPeriod(interval) == TIMERR_NOERROR;
1390 }
1391
1392 bool MUtils::OS::reset_timer_resolution(const quint32 &interval)
1393 {
1394         return timeEndPeriod(interval) == TIMERR_NOERROR;
1395 }
1396
1397 ///////////////////////////////////////////////////////////////////////////////
1398 // SET FILE TIME
1399 ///////////////////////////////////////////////////////////////////////////////
1400
1401 static QScopedPointer<QDateTime> s_epoch;
1402 static QReadWriteLock            s_epochLock;
1403
1404 static const QDateTime *get_epoch(void)
1405 {
1406         QReadLocker rdLock(&s_epochLock);
1407
1408         if (s_epoch.isNull())
1409         {
1410                 rdLock.unlock();
1411                 QWriteLocker wrLock(&s_epochLock);
1412                 if (s_epoch.isNull())
1413                 {
1414                         s_epoch.reset(new QDateTime(QDate(1601, 1, 1), QTime(0, 0, 0, 0), Qt::UTC));
1415                 }
1416                 wrLock.unlock();
1417                 rdLock.relock();
1418         }
1419
1420         return s_epoch.data();
1421 }
1422
1423 static FILETIME *qt_time_to_file_time(FILETIME *const fileTime, const QDateTime &dateTime)
1424 {
1425         memset(fileTime, 0, sizeof(FILETIME));
1426
1427         if (const QDateTime *const epoch = get_epoch())
1428         {
1429                 const qint64 msecs = epoch->msecsTo(dateTime);
1430                 if (msecs > 0)
1431                 {
1432                         const quint64 ticks = 10000U * quint64(msecs);
1433                         fileTime->dwHighDateTime = ((ticks >> 32) & 0xFFFFFFFF);
1434                         fileTime->dwLowDateTime = (ticks & 0xFFFFFFFF);
1435                         return fileTime;
1436                 }
1437         }
1438
1439         return NULL;
1440 }
1441
1442 static bool set_file_time(const HANDLE hFile, const QDateTime &created, const QDateTime &lastMod, const QDateTime &lastAcc)
1443 {
1444         FILETIME ftCreated, ftLastMod, ftLastAcc;
1445
1446         FILETIME *const pCreated = created.isValid() ? qt_time_to_file_time(&ftCreated, created) : NULL;
1447         FILETIME *const pLastMod = lastMod.isValid() ? qt_time_to_file_time(&ftLastMod, lastMod) : NULL;
1448         FILETIME *const pLastAcc = lastAcc.isValid() ? qt_time_to_file_time(&ftLastAcc, lastAcc) : NULL;
1449
1450         if (pCreated || pLastMod || pLastAcc)
1451         {
1452                 return (SetFileTime(hFile, pCreated, pLastAcc, pLastMod) != FALSE);
1453         }
1454
1455         return false;
1456 }
1457
1458 bool MUtils::OS::set_file_time(const QFile &file, const QDateTime &created, const QDateTime &lastMod, const QDateTime &lastAcc)
1459 {
1460         const int fd = file.handle();
1461         if (fd >= 0)
1462         {
1463                 return set_file_time((HANDLE)_get_osfhandle(fd), created, lastMod, lastAcc);
1464         }
1465         return false;
1466 }
1467
1468 bool MUtils::OS::set_file_time(const QString &path, const QDateTime &created, const QDateTime &lastMod, const QDateTime &lastAcc)
1469 {
1470         const HANDLE hFile = CreateFileW(MUTILS_WCHR(path), FILE_WRITE_ATTRIBUTES, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0);
1471         bool okay = false;
1472         if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE))
1473         {
1474                 okay = set_file_time(hFile, created, lastMod, lastAcc);
1475                 CloseHandle(hFile);
1476         }
1477         return okay;
1478 }
1479
1480 ///////////////////////////////////////////////////////////////////////////////
1481 // CHECK KEY STATE
1482 ///////////////////////////////////////////////////////////////////////////////
1483
1484 bool MUtils::OS::check_key_state_esc(void)
1485 {
1486         return (GetAsyncKeyState(VK_ESCAPE) & 0x0001) != 0;
1487 }
1488
1489 ///////////////////////////////////////////////////////////////////////////////
1490 // SHELL CHANGE NOTIFICATION
1491 ///////////////////////////////////////////////////////////////////////////////
1492
1493 void MUtils::OS::shell_change_notification(void)
1494 {
1495         SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST, NULL, NULL);
1496 }
1497
1498 ///////////////////////////////////////////////////////////////////////////////
1499 // WOW64 REDIRECTION
1500 ///////////////////////////////////////////////////////////////////////////////
1501
1502 typedef BOOL (_stdcall *Wow64DisableWow64FsRedirectionFun)(void *OldValue);
1503 typedef BOOL (_stdcall *Wow64RevertWow64FsRedirectionFun )(void *OldValue);
1504
1505 bool MUtils::OS::wow64fsredir_disable(void *oldValue)
1506 {
1507         const Wow64DisableWow64FsRedirectionFun wow64redir_disable = MUtils::Win32Utils::resolve<Wow64DisableWow64FsRedirectionFun>(QLatin1String("kernel32"), QLatin1String("Wow64DisableWow64FsRedirection"));
1508         if(wow64redir_disable)
1509         {
1510                 if (wow64redir_disable(oldValue))
1511                 {
1512                         return true;
1513                 }
1514         }
1515         return false;
1516 }
1517
1518 bool MUtils::OS::wow64fsredir_revert(void *oldValue)
1519 {
1520         const Wow64RevertWow64FsRedirectionFun wow64redir_disable = MUtils::Win32Utils::resolve<Wow64RevertWow64FsRedirectionFun>(QLatin1String("kernel32"), QLatin1String("Wow64RevertWow64FsRedirection"));
1521         if (wow64redir_disable)
1522         {
1523                 if (wow64redir_disable(oldValue))
1524                 {
1525                         return true;
1526                 }
1527         }
1528         return false;
1529 }
1530
1531 ///////////////////////////////////////////////////////////////////////////////
1532 // DEBUGGER CHECK
1533 ///////////////////////////////////////////////////////////////////////////////
1534
1535 #if (!(MUTILS_DEBUG))
1536 static __forceinline bool is_debugger_present(void)
1537 {
1538         __try
1539         {
1540                 CloseHandle((HANDLE)((DWORD_PTR)-3));
1541         }
1542         __except(1)
1543         {
1544                 return true;
1545         }
1546
1547         BOOL bHaveDebugger = FALSE;
1548         if(CheckRemoteDebuggerPresent(GetCurrentProcess(), &bHaveDebugger))
1549         {
1550                 if(bHaveDebugger) return true;
1551         }
1552
1553         return IsDebuggerPresent();
1554 }
1555 static __forceinline bool check_debugger_helper(void)
1556 {
1557         if(is_debugger_present())
1558         {
1559                 MUtils::OS::fatal_exit(L"Not a debug build. Please unload debugger and try again!");
1560                 return true;
1561         }
1562         return false;
1563 }
1564 #else
1565 #define check_debugger_helper() (false)
1566 #endif
1567
1568 void MUtils::OS::check_debugger(void)
1569 {
1570         check_debugger_helper();
1571 }
1572
1573 static volatile bool g_debug_check = check_debugger_helper();
1574
1575 ///////////////////////////////////////////////////////////////////////////////
1576 // FATAL EXIT
1577 ///////////////////////////////////////////////////////////////////////////////
1578
1579 static MUtils::Internal::CriticalSection g_fatal_exit_lock;
1580 static volatile bool g_fatal_exit_flag = true;
1581
1582 static DWORD WINAPI fatal_exit_helper(LPVOID lpParameter)
1583 {
1584         MUtils::OS::system_message_err(L"GURU MEDITATION", (LPWSTR) lpParameter);
1585         return 0;
1586 }
1587
1588 void MUtils::OS::fatal_exit(const wchar_t* const errorMessage)
1589 {
1590         g_fatal_exit_lock.enter();
1591
1592         if(!g_fatal_exit_flag)
1593         {
1594                 return; /*prevent recursive invocation*/
1595         }
1596
1597         g_fatal_exit_flag = false;
1598
1599         if(g_main_thread_id != GetCurrentThreadId())
1600         {
1601                 if(HANDLE hThreadMain = OpenThread(THREAD_SUSPEND_RESUME, FALSE, g_main_thread_id))
1602                 {
1603                         SuspendThread(hThreadMain); /*stop main thread*/
1604                 }
1605         }
1606
1607         if(HANDLE hThread = CreateThread(NULL, 0, fatal_exit_helper, (LPVOID) errorMessage, 0, NULL))
1608         {
1609                 WaitForSingleObject(hThread, INFINITE);
1610         }
1611
1612         for(;;)
1613         {
1614                 TerminateProcess(GetCurrentProcess(), 666);
1615         }
1616 }
1617
1618 ///////////////////////////////////////////////////////////////////////////////