?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Various improvements to known_folder() function, again.
[MUtilities.git] / src / OSSupport_Win32.cpp
bloba1fe52a6f6b59178e5d149354197093fbf8beb5c
1 ///////////////////////////////////////////////////////////////////////////////
2 // MuldeR's Utilities for Qt
3 // Copyright (C) 2004-2019 LoRd_MuldeR <MuldeR2@GMX.de>
4 //
5 // This library is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU Lesser General Public
7 // License as published by the Free Software Foundation; either
8 // version 2.1 of the License, or (at your option) any later version.
9 //
10 // This library is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 // Lesser General Public License for more details.
14 //
15 // You should have received a copy of the GNU Lesser General Public
16 // License along with this library; if not, write to the Free Software
17 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 //
19 // http://www.gnu.org/licenses/lgpl-2.1.txt
20 //////////////////////////////////////////////////////////////////////////////////
21
22 //Win32 API
23 #define WIN32_LEAN_AND_MEAN 1
24 #include <Windows.h>
25 #include <Psapi.h>
26 #include <Sensapi.h>
27 #include <Shellapi.h>
28 #include <PowrProf.h>
29 #include <Mmsystem.h>
30 #include <WinIoCtl.h>
31 #pragma warning(push)
32 #pragma warning(disable:4091) //for MSVC2015
33 #include <ShlObj.h>
34 #pragma warning(pop)
35
36 //CRT
37 #include <io.h>
38
39 //Internal
40 #include <MUtils/Global.h>
41 #include <MUtils/OSSupport.h>
42 #include <MUtils/GUI.h>
43 #include "Internal.h"
44 #include "CriticalSection_Win32.h"
45 #include "Utils_Win32.h"
46
47 //Qt
48 #include <QMap>
49 #include <QReadWriteLock>
50 #include <QDir>
51 #include <QWidget>
52 #include <QProcess>
53 #include <QSet>
54
55 //Main thread ID
56 static const DWORD g_main_thread_id = GetCurrentThreadId();
57
58 ///////////////////////////////////////////////////////////////////////////////
59 // SYSTEM MESSAGE
60 ///////////////////////////////////////////////////////////////////////////////
61
62 static const UINT g_msgBoxFlags = MB_TOPMOST | MB_TASKMODAL | MB_SETFOREGROUND;
63
64 void MUtils::OS::system_message_nfo(const wchar_t *const title, const wchar_t *const text)
65 {
66 MessageBoxW(NULL, text, title, g_msgBoxFlags | MB_ICONINFORMATION);
67 }
68
69 void MUtils::OS::system_message_wrn(const wchar_t *const title, const wchar_t *const text)
70 {
71 MessageBoxW(NULL, text, title, g_msgBoxFlags | MB_ICONWARNING);
72 }
73
74 void MUtils::OS::system_message_err(const wchar_t *const title, const wchar_t *const text)
75 {
76 MessageBoxW(NULL, text, title, g_msgBoxFlags | MB_ICONERROR);
77 }
78
79 ///////////////////////////////////////////////////////////////////////////////
80 // FETCH CLI ARGUMENTS
81 ///////////////////////////////////////////////////////////////////////////////
82
83 static QReadWriteLock g_arguments_lock;
84 static QScopedPointer<MUtils::OS::ArgumentMap> g_arguments_list;
85
86 const QStringList MUtils::OS::crack_command_line(const QString &command_line)
87 {
88 int nArgs = 0;
89 LPWSTR *szArglist = CommandLineToArgvW(command_line.isNull() ? GetCommandLineW() : MUTILS_WCHR(command_line), &nArgs);
90
91 QStringList command_line_tokens;
92 if(NULL != szArglist)
93 {
94 for(int i = 0; i < nArgs; i++)
95 {
96 const QString argStr = MUTILS_QSTR(szArglist[i]).trimmed();
97 if(!argStr.isEmpty())
98 {
99 command_line_tokens << argStr;
100 }
101 }
102 LocalFree(szArglist);
103 }
104
105 return command_line_tokens;
106 }
107
108 const MUtils::OS::ArgumentMap &MUtils::OS::arguments(void)
109 {
110 QReadLocker readLock(&g_arguments_lock);
111
112 //Already initialized?
113 if(!g_arguments_list.isNull())
114 {
115 return (*(g_arguments_list.data()));
116 }
117
118 readLock.unlock();
119 QWriteLocker writeLock(&g_arguments_lock);
120
121 //Still not initialized?
122 if(!g_arguments_list.isNull())
123 {
124 return (*(g_arguments_list.data()));
125 }
126
127 g_arguments_list.reset(new ArgumentMap());
128 const QStringList argList = crack_command_line();
129
130 if(!argList.isEmpty())
131 {
132 const QString argPrefix = QLatin1String("--");
133 const QChar separator = QLatin1Char('=');
134
135 bool firstToken = true;
136 for(QStringList::ConstIterator iter = argList.constBegin(); iter != argList.constEnd(); iter++)
137 {
138 if(firstToken)
139 {
140 firstToken = false;
141 continue; /*skip executable file name*/
142 }
143 if(iter->startsWith(argPrefix))
144 {
145 const QString argData = iter->mid(2).trimmed();
146 if(argData.length() > 0)
147 {
148 const int separatorIndex = argData.indexOf(separator);
149 if(separatorIndex > 0)
150 {
151 const QString argKey = argData.left(separatorIndex).trimmed();
152 const QString argVal = argData.mid(separatorIndex + 1).trimmed();
153 g_arguments_list->insertMulti(argKey.toLower(), argVal);
154 }
155 else
156 {
157 g_arguments_list->insertMulti(argData.toLower(), QString());
158 }
159 }
160 }
161 }
162 }
163 else if(argList.empty())
164 {
165 qWarning("CommandLineToArgvW() has failed !!!");
166 }
167
168 return (*(g_arguments_list.data()));
169 }
170
171 ///////////////////////////////////////////////////////////////////////////////
172 // COPY FILE
173 ///////////////////////////////////////////////////////////////////////////////
174
175 typedef struct _progress_callback_data_t
176 {
177 MUtils::OS::progress_callback_t callback_function;
178 void *user_data;
179 }
180 progress_callback_data_t;
181
182 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)
183 {
184 if(const progress_callback_data_t *data = (progress_callback_data_t*) lpData)
185 {
186 const double progress = qBound(0.0, double(TotalBytesTransferred.QuadPart) / double(TotalFileSize.QuadPart), 1.0);
187 return data->callback_function(progress, data->user_data) ? PROGRESS_CONTINUE : PROGRESS_CANCEL;
188 }
189 return PROGRESS_CONTINUE;
190 }
191
192 MUTILS_API bool MUtils::OS::copy_file(const QString &sourcePath, const QString &outputPath, const bool &overwrite, const progress_callback_t callback, void *const userData)
193 {
194 progress_callback_data_t callback_data = { callback, userData };
195 BOOL cancel = FALSE;
196 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));
197
198 if(result == FALSE)
199 {
200 const DWORD errorCode = GetLastError();
201 if(errorCode != ERROR_REQUEST_ABORTED)
202 {
203 qWarning("CopyFile() failed with error code 0x%08X!", errorCode);
204 }
205 else
206 {
207 qWarning("CopyFile() operation was abroted by user!");
208 }
209 }
210
211 return (result != FALSE);
212 }
213
214 ///////////////////////////////////////////////////////////////////////////////
215 // GET FILE VERSION
216 ///////////////////////////////////////////////////////////////////////////////
217
218 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)
219 {
220 if(!GetFileVersionInfo(MUTILS_WCHR(fileName), 0, size, buffer))
221 {
222 qWarning("GetFileVersionInfo() has failed, file version cannot be determined!");
223 return false;
224 }
225
226 VS_FIXEDFILEINFO *verInfo;
227 UINT verInfoLen;
228 if(!VerQueryValue(buffer, L"\\", (LPVOID*)(&verInfo), &verInfoLen))
229 {
230 qWarning("VerQueryValue() has failed, file version cannot be determined!");
231 return false;
232 }
233
234 if(major) *major = quint16((verInfo->dwFileVersionMS >> 16) & 0x0000FFFF);
235 if(minor) *minor = quint16((verInfo->dwFileVersionMS) & 0x0000FFFF);
236 if(patch) *patch = quint16((verInfo->dwFileVersionLS >> 16) & 0x0000FFFF);
237 if(build) *build = quint16((verInfo->dwFileVersionLS) & 0x0000FFFF);
238
239 return true;
240 }
241
242 bool MUtils::OS::get_file_version(const QString fileName, quint16 *const major, quint16 *const minor, quint16 *const patch, quint16 *const build)
243 {
244 if(major) *major = 0U; if(minor) *minor = 0U;
245 if(patch) *patch = 0U; if(build) *build = 0U;
246
247 const DWORD size = GetFileVersionInfoSize(MUTILS_WCHR(fileName), NULL);
248 if(size < 1)
249 {
250 qWarning("GetFileVersionInfoSize() has failed, file version cannot be determined!");
251 return false;
252 }
253
254 PVOID buffer = _malloca(size);
255 if(!buffer)
256 {
257 qWarning("Memory allocation has failed!");
258 return false;
259 }
260
261 const bool success = get_file_version_helper(fileName, buffer, size, major, minor, patch, build);
262
263 _freea(buffer);
264 return success;
265 }
266
267 ///////////////////////////////////////////////////////////////////////////////
268 // OS VERSION DETECTION
269 ///////////////////////////////////////////////////////////////////////////////
270
271 static bool g_os_version_initialized = false;
272 static MUtils::OS::Version::os_version_t g_os_version_info = MUtils::OS::Version::UNKNOWN_OPSYS;
273 static QReadWriteLock g_os_version_lock;
274
275 //Maps marketing names to the actual Windows NT versions
276 static const struct
277 {
278 MUtils::OS::Version::os_version_t version;
279 const char friendlyName[64];
280 }
281 g_os_version_lut[] =
282 {
283 { MUtils::OS::Version::WINDOWS_WIN2K, "Windows 2000" }, //2000
284 { MUtils::OS::Version::WINDOWS_WINXP, "Windows XP or Windows XP Media Center Edition" }, //XP
285 { MUtils::OS::Version::WINDOWS_XPX64, "Windows Server 2003 or Windows XP x64" }, //XP_x64
286 { MUtils::OS::Version::WINDOWS_VISTA, "Windows Vista or Windows Server 2008" }, //Vista
287 { MUtils::OS::Version::WINDOWS_WIN70, "Windows 7 or Windows Server 2008 R2" }, //7
288 { MUtils::OS::Version::WINDOWS_WIN80, "Windows 8 or Windows Server 2012" }, //8
289 { MUtils::OS::Version::WINDOWS_WIN81, "Windows 8.1 or Windows Server 2012 R2" }, //8.1
290 { MUtils::OS::Version::WINDOWS_WN100, "Windows 10 or Windows Server 2016" }, //10
291 { MUtils::OS::Version::UNKNOWN_OPSYS, "N/A" }
292 };
293
294 //OS version data dtructures
295 namespace MUtils
296 {
297 namespace OS
298 {
299 namespace Version
300 {
301 //Comparision operators for os_version_t
302 bool os_version_t::operator== (const os_version_t &rhs) const { return (type == rhs.type) && (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) || ((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 bool os_version_t::operator>= (const os_version_t &rhs) const { return (type == rhs.type) && ((versionMajor > rhs.versionMajor) || ((versionMajor == rhs.versionMajor) && (versionMinor >= rhs.versionMinor))); }
306 bool os_version_t::operator< (const os_version_t &rhs) const { return (type == rhs.type) && ((versionMajor < rhs.versionMajor) || ((versionMajor == rhs.versionMajor) && (versionMinor < rhs.versionMinor))); }
307 bool os_version_t::operator<= (const os_version_t &rhs) const { return (type == rhs.type) && ((versionMajor < rhs.versionMajor) || ((versionMajor == rhs.versionMajor) && (versionMinor <= rhs.versionMinor))); }
308
309 //Known Windows NT versions
310 const os_version_t WINDOWS_WIN2K = { OS_WINDOWS, 5, 0, 2195, 0 }; // 2000
311 const os_version_t WINDOWS_WINXP = { OS_WINDOWS, 5, 1, 2600, 0 }; // XP
312 const os_version_t WINDOWS_XPX64 = { OS_WINDOWS, 5, 2, 3790, 0 }; // XP_x64
313 const os_version_t WINDOWS_VISTA = { OS_WINDOWS, 6, 0, 6000, 0 }; // Vista
314 const os_version_t WINDOWS_WIN70 = { OS_WINDOWS, 6, 1, 7600, 0 }; // 7
315 const os_version_t WINDOWS_WIN80 = { OS_WINDOWS, 6, 2, 9200, 0 }; // 8
316 const os_version_t WINDOWS_WIN81 = { OS_WINDOWS, 6, 3, 9600, 0 }; // 8.1
317 const os_version_t WINDOWS_WN100 = { OS_WINDOWS, 10, 0, 10240, 0 }; // 10
318
319 //Unknown OS
320 const os_version_t UNKNOWN_OPSYS = { OS_UNKNOWN, 0, 0, 0, 0 }; // N/A
321 }
322 }
323 }
324
325 static inline DWORD SAFE_ADD(const DWORD &a, const DWORD &b, const DWORD &limit = MAXDWORD)
326 {
327 return ((a >= limit) || (b >= limit) || ((limit - a) <= b)) ? limit : (a + b);
328 }
329
330
331 static void initialize_os_version(OSVERSIONINFOEXW *const osInfo)
332 {
333 memset(osInfo, 0, sizeof(OSVERSIONINFOEXW));
334 osInfo->dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
335 }
336
337 static inline DWORD initialize_step_size(const DWORD &limit)
338 {
339 DWORD result = 1;
340 while (result < limit)
341 {
342 result = SAFE_ADD(result, result);
343 }
344 return result;
345 }
346
347 #pragma warning(push)
348 #pragma warning(disable: 4996)
349
350 static bool rtl_get_version(OSVERSIONINFOEXW *const osInfo)
351 {
352 typedef LONG(__stdcall *RtlGetVersion)(LPOSVERSIONINFOEXW);
353 if (const HMODULE ntdll = GetModuleHandleW(L"ntdll"))
354 {
355 if (const RtlGetVersion pRtlGetVersion = (RtlGetVersion)GetProcAddress(ntdll, "RtlGetVersion"))
356 {
357 initialize_os_version(osInfo);
358 if (pRtlGetVersion(osInfo) == 0)
359 {
360 return true;
361 }
362 }
363 }
364
365 //Fallback
366 initialize_os_version(osInfo);
367 return (GetVersionExW((LPOSVERSIONINFOW)osInfo) != FALSE);
368 }
369
370 #pragma warning(pop)
371
372 static bool rtl_verify_version(OSVERSIONINFOEXW *const osInfo, const ULONG typeMask, const ULONGLONG condMask)
373 {
374 typedef LONG(__stdcall *RtlVerifyVersionInfo)(LPOSVERSIONINFOEXW, ULONG, ULONGLONG);
375 if (const HMODULE ntdll = GetModuleHandleW(L"ntdll"))
376 {
377 if (const RtlVerifyVersionInfo pRtlVerifyVersionInfo = (RtlVerifyVersionInfo)GetProcAddress(ntdll, "RtlVerifyVersionInfo"))
378 {
379 if (pRtlVerifyVersionInfo(osInfo, typeMask, condMask) == 0)
380 {
381 return true;
382 }
383 }
384 }
385
386 //Fallback
387 return (VerifyVersionInfoW(osInfo, typeMask, condMask) != FALSE);
388 }
389
390 static bool verify_os_version(const DWORD major, const DWORD minor)
391 {
392 OSVERSIONINFOEXW osvi;
393 DWORDLONG dwlConditionMask = 0;
394 initialize_os_version(&osvi);
395
396 //Initialize the OSVERSIONINFOEX structure
397 osvi.dwMajorVersion = major;
398 osvi.dwMinorVersion = minor;
399 osvi.dwPlatformId = VER_PLATFORM_WIN32_NT;
400
401 //Initialize the condition mask
402 VER_SET_CONDITION(dwlConditionMask, VER_MAJORVERSION, VER_GREATER_EQUAL);
403 VER_SET_CONDITION(dwlConditionMask, VER_MINORVERSION, VER_GREATER_EQUAL);
404 VER_SET_CONDITION(dwlConditionMask, VER_PLATFORMID, VER_EQUAL);
405
406 // Perform the test
407 const BOOL ret = rtl_verify_version(&osvi, VER_MAJORVERSION | VER_MINORVERSION | VER_PLATFORMID, dwlConditionMask);
408
409 //Error checking
410 if(!ret)
411 {
412 if(GetLastError() != ERROR_OLD_WIN_VERSION)
413 {
414 qWarning("VerifyVersionInfo() system call has failed!");
415 }
416 }
417
418 return (ret != FALSE);
419 }
420
421 static bool verify_os_build(const DWORD build)
422 {
423 OSVERSIONINFOEXW osvi;
424 DWORDLONG dwlConditionMask = 0;
425 initialize_os_version(&osvi);
426
427 //Initialize the OSVERSIONINFOEX structure
428 osvi.dwBuildNumber = build;
429 osvi.dwPlatformId = VER_PLATFORM_WIN32_NT;
430
431 //Initialize the condition mask
432 VER_SET_CONDITION(dwlConditionMask, VER_BUILDNUMBER, VER_GREATER_EQUAL);
433 VER_SET_CONDITION(dwlConditionMask, VER_PLATFORMID, VER_EQUAL);
434
435 // Perform the test
436 const BOOL ret = rtl_verify_version(&osvi, VER_BUILDNUMBER | VER_PLATFORMID, dwlConditionMask);
437
438 //Error checking
439 if (!ret)
440 {
441 if (GetLastError() != ERROR_OLD_WIN_VERSION)
442 {
443 qWarning("VerifyVersionInfo() system call has failed!");
444 }
445 }
446
447 return (ret != FALSE);
448 }
449
450 static bool verify_os_spack(const WORD spack)
451 {
452 OSVERSIONINFOEXW osvi;
453 DWORDLONG dwlConditionMask = 0;
454 initialize_os_version(&osvi);
455
456 //Initialize the OSVERSIONINFOEX structure
457 osvi.wServicePackMajor = spack;
458 osvi.dwPlatformId = VER_PLATFORM_WIN32_NT;
459
460 //Initialize the condition mask
461 VER_SET_CONDITION(dwlConditionMask, VER_SERVICEPACKMAJOR, VER_GREATER_EQUAL);
462 VER_SET_CONDITION(dwlConditionMask, VER_PLATFORMID, VER_EQUAL);
463
464 // Perform the test
465 const BOOL ret = rtl_verify_version(&osvi, VER_SERVICEPACKMAJOR | VER_PLATFORMID, dwlConditionMask);
466
467 //Error checking
468 if (!ret)
469 {
470 if (GetLastError() != ERROR_OLD_WIN_VERSION)
471 {
472 qWarning("VerifyVersionInfo() system call has failed!");
473 }
474 }
475
476 return (ret != FALSE);
477 }
478
479 static bool get_real_os_version(unsigned int *const major, unsigned int *const minor, unsigned int *const build, unsigned int *const spack, bool *const pbOverride)
480 {
481 static const DWORD MAX_VERSION = MAXWORD;
482 static const DWORD MAX_BUILDNO = MAXINT;
483 static const DWORD MAX_SRVCPCK = MAXWORD;
484
485 *major = *minor = *build = *spack = 0U;
486 *pbOverride = false;
487
488 //Initialize local variables
489 OSVERSIONINFOEXW osvi;
490 memset(&osvi, 0, sizeof(OSVERSIONINFOEXW));
491 osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
492
493 //Try GetVersionEx() first
494 if(rtl_get_version(&osvi) == FALSE)
495 {
496 qWarning("GetVersionEx() has failed, cannot detect Windows version!");
497 return false;
498 }
499
500 //Make sure we are running on NT
501 if(osvi.dwPlatformId == VER_PLATFORM_WIN32_NT)
502 {
503 *major = osvi.dwMajorVersion;
504 *minor = osvi.dwMinorVersion;
505 *build = osvi.dwBuildNumber;
506 *spack = osvi.wServicePackMajor;
507 }
508 else
509 {
510 if (verify_os_version(4, 0))
511 {
512 *major = 4;
513 *build = 1381;
514 *pbOverride = true;
515 }
516 else
517 {
518 qWarning("Not running on Windows NT, unsupported operating system!");
519 return false;
520 }
521 }
522
523 //Major Version
524 for (DWORD nextMajor = (*major) + 1; nextMajor <= MAX_VERSION; nextMajor++)
525 {
526 if (verify_os_version(nextMajor, 0))
527 {
528 *major = nextMajor;
529 *minor = 0;
530 *pbOverride = true;
531 continue;
532 }
533 break;
534 }
535
536 //Minor Version
537 for (DWORD nextMinor = (*minor) + 1; nextMinor <= MAX_VERSION; nextMinor++)
538 {
539 if (verify_os_version((*major), nextMinor))
540 {
541 *minor = nextMinor;
542 *pbOverride = true;
543 continue;
544 }
545 break;
546 }
547
548 //Build Version
549 if (verify_os_build(SAFE_ADD((*build), 1, MAX_BUILDNO)))
550 {
551 DWORD stepSize = initialize_step_size(MAX_BUILDNO);
552 for (DWORD nextBuildNo = SAFE_ADD((*build), stepSize, MAX_BUILDNO); (*build) < MAX_BUILDNO; nextBuildNo = SAFE_ADD((*build), stepSize, MAX_BUILDNO))
553 {
554 if (verify_os_build(nextBuildNo))
555 {
556 *build = nextBuildNo;
557 *pbOverride = true;
558 continue;
559 }
560 if (stepSize > 1)
561 {
562 stepSize = stepSize / 2;
563 continue;
564 }
565 break;
566 }
567 }
568
569 //Service Pack
570 if (verify_os_spack(SAFE_ADD((*spack), 1, MAX_SRVCPCK)))
571 {
572 DWORD stepSize = initialize_step_size(MAX_SRVCPCK);
573 for (DWORD nextSPackNo = SAFE_ADD((*spack), stepSize, MAX_SRVCPCK); (*spack) < MAX_SRVCPCK; nextSPackNo = SAFE_ADD((*spack), stepSize, MAX_SRVCPCK))
574 {
575 if (verify_os_spack(nextSPackNo))
576 {
577 *build = nextSPackNo;
578 *pbOverride = true;
579 continue;
580 }
581 if (stepSize > 1)
582 {
583 stepSize = stepSize / 2;
584 continue;
585 }
586 break;
587 }
588 }
589
590 return true;
591 }
592
593 const MUtils::OS::Version::os_version_t &MUtils::OS::os_version(void)
594 {
595 QReadLocker readLock(&g_os_version_lock);
596
597 //Already initialized?
598 if(g_os_version_initialized)
599 {
600 return g_os_version_info;
601 }
602
603 readLock.unlock();
604 QWriteLocker writeLock(&g_os_version_lock);
605
606 //Initialized now?
607 if(g_os_version_initialized)
608 {
609 return g_os_version_info;
610 }
611
612 //Detect OS version
613 unsigned int major, minor, build, spack; bool overrideFlg;
614 if(get_real_os_version(&major, &minor, &build, &spack, &overrideFlg))
615 {
616 g_os_version_info.type = Version::OS_WINDOWS;
617 g_os_version_info.versionMajor = major;
618 g_os_version_info.versionMinor = minor;
619 g_os_version_info.versionBuild = build;
620 g_os_version_info.versionSPack = spack;
621 g_os_version_info.overrideFlag = overrideFlg;
622 }
623 else
624 {
625 qWarning("Failed to determine the operating system version!");
626 }
627
628 //Completed
629 g_os_version_initialized = true;
630 return g_os_version_info;
631 }
632
633 const char *MUtils::OS::os_friendly_name(const MUtils::OS::Version::os_version_t &os_version)
634 {
635 for(size_t i = 0; g_os_version_lut[i].version != MUtils::OS::Version::UNKNOWN_OPSYS; i++)
636 {
637 if(os_version == g_os_version_lut[i].version)
638 {
639 return g_os_version_lut[i].friendlyName;
640 }
641 }
642
643 return NULL;
644 }
645
646 ///////////////////////////////////////////////////////////////////////////////
647 // WINE DETECTION
648 ///////////////////////////////////////////////////////////////////////////////
649
650 static bool g_wine_deteced = false;
651 static bool g_wine_initialized = false;
652 static QReadWriteLock g_wine_lock;
653
654 static const bool detect_wine(void)
655 {
656 void *const ptr = MUtils::Win32Utils::resolve<void*>(QLatin1String("ntdll"), QLatin1String("wine_get_version"));
657 return (ptr != NULL);
658 }
659
660 const bool &MUtils::OS::running_on_wine(void)
661 {
662 QReadLocker readLock(&g_wine_lock);
663
664 //Already initialized?
665 if(g_wine_initialized)
666 {
667 return g_wine_deteced;
668 }
669
670 readLock.unlock();
671 QWriteLocker writeLock(&g_wine_lock);
672
673 //Initialized now?
674 if(g_wine_initialized)
675 {
676 return g_wine_deteced;
677 }
678
679 //Try to detect Wine
680 g_wine_deteced = detect_wine();
681 g_wine_initialized = true;
682
683 return g_wine_deteced;
684 }
685
686 ///////////////////////////////////////////////////////////////////////////////
687 // KNWON FOLDERS
688 ///////////////////////////////////////////////////////////////////////////////
689
690 static QReadWriteLock g_known_folders_lock;
691 static QScopedPointer<QHash<size_t, QString>> g_known_folders_data;
692
693 typedef HRESULT (WINAPI *SHGetKnownFolderPathProc)(const GUID &rfid, DWORD dwFlags, HANDLE hToken, PWSTR *ppszPath);
694 typedef HRESULT (WINAPI *SHGetFolderPathProc)(HWND hwndOwner, int nFolder, HANDLE hToken, DWORD dwFlags, LPWSTR pszPath);
695
696 static const struct
697 {
698 MUtils::OS::known_folder_t id;
699 INT32 csidl;
700 GUID known_folder_id;
701 }
702 s_known_folders_lut[] =
703 {
704 { MUtils::OS::FOLDER_PROFILE_USER, 0x0028, { 0x5E6C858F, 0x0E22, 0x4760, { 0x9A, 0xFE, 0xEA, 0x33, 0x17, 0xB6, 0x71, 0x73 } } }, //CSIDL_PROFILE
705 { MUtils::OS::FOLDER_PROFILE_PUBL, 0x0000, { 0xDFDF76A2, 0xC82A, 0x4D63, { 0x90, 0x6A, 0x56, 0x44, 0xAC, 0x45, 0x73, 0x85 } } }, //FOLDERID_Public
706 { MUtils::OS::FOLDER_APPDATA_ROAM, 0x001A, { 0x3EB685DB, 0x65F9, 0x4CF6, { 0xA0, 0x3A, 0xE3, 0xEF, 0x65, 0x72, 0x9F, 0x3D } } }, //CSIDL_APPDATA
707 { MUtils::OS::FOLDER_APPDATA_LOCA, 0x001C, { 0xF1B32785, 0x6FBA, 0x4FCF, { 0x9D, 0x55, 0x7B, 0x8E, 0x7F, 0x15, 0x70, 0x91 } } }, //CSIDL_LOCAL_APPDATA
708 { MUtils::OS::FOLDER_DOCS_USER, 0x0005, { 0xFDD39AD0, 0x238F, 0x46AF, { 0xAD, 0xB4, 0x6C, 0x85, 0x48, 0x03, 0x69, 0xC7 } } }, //CSIDL_MYDOCUMENTS
709 { MUtils::OS::FOLDER_DOCS_PUBL, 0x002E, { 0xED4824AF, 0xDCE4, 0x45A8, { 0x81, 0xE2, 0xFC, 0x79, 0x65, 0x08, 0x36, 0x34 } } }, //CSIDL_COMMON_DOCUMENTS
710 { MUtils::OS::FOLDER_DESKTOP_USER, 0x0010, { 0xB4BFCC3A, 0xDB2C, 0x424C, { 0xB0, 0x29, 0x7F, 0xE9, 0x9A, 0x87, 0xC6, 0x41 } } }, //CSIDL_DESKTOPDIRECTORY
711 { MUtils::OS::FOLDER_DESKTOP_PUBL, 0x0019, { 0xC4AA340D, 0xF20F, 0x4863, { 0xAF, 0xEF, 0xF8, 0x7E, 0xF2, 0xE6, 0xBA, 0x25 } } }, //CSIDL_COMMON_DESKTOPDIRECTORY
712 { MUtils::OS::FOLDER_PICTURES_USER, 0x0027, { 0x33E28130, 0x4E1E, 0x4676, { 0x83, 0x5A, 0x98, 0x39, 0x5C, 0x3B, 0xC3, 0xBB } } }, //CSIDL_MYPICTURES
713 { MUtils::OS::FOLDER_PICTURES_PUBL, 0x0036, { 0xB6EBFB86, 0x6907, 0x413C, { 0x9A, 0xF7, 0x4F, 0xC2, 0xAB, 0xF0, 0x7C, 0xC5 } } }, //CSIDL_COMMON_PICTURES
714 { MUtils::OS::FOLDER_MUSIC_USER, 0x000D, { 0x4BD8D571, 0x6D19, 0x48D3, { 0xBE, 0x97, 0x42, 0x22, 0x20, 0x08, 0x0E, 0x43 } } }, //CSIDL_MYMUSIC
715 { MUtils::OS::FOLDER_MUSIC_PUBL, 0x0035, { 0x3214FAB5, 0x9757, 0x4298, { 0xBB, 0x61, 0x92, 0xA9, 0xDE, 0xAA, 0x44, 0xFF } } }, //CSIDL_COMMON_MUSIC
716 { MUtils::OS::FOLDER_VIDEO_USER, 0x000E, { 0x18989B1D, 0x99B5, 0x455B, { 0x84, 0x1C, 0xAB, 0x7C, 0x74, 0xE4, 0xDD, 0xFC } } }, //CSIDL_MYVIDEO
717 { MUtils::OS::FOLDER_VIDEO_PUBL, 0x0037, { 0x2400183A, 0x6185, 0x49FB, { 0xA2, 0xD8, 0x4A, 0x39, 0x2A, 0x60, 0x2B, 0xA3 } } }, //CSIDL_COMMON_VIDEO
718 { MUtils::OS::FOLDER_PROGRAMS_DEF, 0x0026, { 0x905E63B6, 0xC1BF, 0x494E, { 0xB2, 0x9C, 0x65, 0xB7, 0x32, 0xD3, 0xD2, 0x1A } } }, //CSIDL_PROGRAM_FILES
719 { MUtils::OS::FOLDER_PROGRAMS_X86, 0x002A, { 0x7C5A40EF, 0xA0FB, 0x4BFC, { 0x87, 0x4A, 0xC0, 0xF2, 0xE0, 0xB9, 0xFA, 0x8E } } }, //CSIDL_PROGRAM_FILESX86
720 { MUtils::OS::FOLDER_PROGRAMS_X64, 0x0000, { 0x6D809377, 0x6AF0, 0x444B, { 0x89, 0x57, 0xA3, 0x77, 0x3F, 0x02, 0x20, 0x0E } } }, //FOLDERID_ProgramFilesX64 (not supported for 32-bit applications)
721 { MUtils::OS::FOLDER_SYSROOT, 0x0024, { 0xF38BF404, 0x1D43, 0x42F2, { 0x93, 0x05, 0x67, 0xDE, 0x0B, 0x28, 0xFC, 0x23 } } }, //CSIDL_WINDOWS
722 { MUtils::OS::FOLDER_SYSTEM_DEF, 0x0025, { 0x1AC14E77, 0x02E7, 0x4E5D, { 0xB7, 0x44, 0x2E, 0xB1, 0xAE, 0x51, 0x98, 0xB7 } } }, //CSIDL_SYSTEM
723 { MUtils::OS::FOLDER_SYSTEM_X86, 0x0029, { 0xD65231B0, 0xB2F1, 0x4857, { 0xA4, 0xCE, 0xA8, 0xE7, 0xC6, 0xEA, 0x7D, 0x27 } } }, //CSIDL_SYSTEMX86
724 { static_cast<MUtils::OS::known_folder_t>(0) }
725 };
726
727 static QString known_folder_verify(const wchar_t *const path)
728 {
729 const QDir folderPath = QDir(QDir::fromNativeSeparators(MUTILS_QSTR(path)));
730 if (folderPath.exists())
731 {
732 const QString absolutePath = folderPath.absolutePath();
733 const HANDLE handle = CreateFileW(MUTILS_WCHR(QDir::toNativeSeparators(absolutePath)), 0U, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
734 if (handle != INVALID_HANDLE_VALUE)
735 {
736 SetHandleInformation(handle, HANDLE_FLAG_PROTECT_FROM_CLOSE, HANDLE_FLAG_PROTECT_FROM_CLOSE);
737 return absolutePath;
738 }
739 }
740
741 return QString(); /*failed*/
742 }
743
744 static QString known_folder_fallback(const size_t folderId)
745 {
746 static const DWORD s_shgfpTypes[3] =
747 {
748 0, /*SHGFP_TYPE_CURRENT*/
749 1, /*SHGFP_TYPE_DEFAULT*/
750 MAXDWORD
751 };
752
753 static const INT32 s_shgfpFlags[3] =
754 {
755 0x0000, /*No extra flags*/
756 0x8000, /*SHGFP_FLAG_CREATE*/
757 MAXINT32
758 };
759
760 if (s_known_folders_lut[folderId].csidl)
761 {
762 const SHGetFolderPathProc getFolderPath = MUtils::Win32Utils::resolve<SHGetFolderPathProc>(QLatin1String("shell32"), QLatin1String("SHGetFolderPathW"));
763 if (getFolderPath)
764 {
765 QVector<WCHAR> pathBuffer(MAX_PATH);
766 for (size_t i = 0; s_shgfpTypes[i] != MAXDWORD; ++i)
767 {
768 for (size_t j = 0; s_shgfpFlags[j] != MAXINT32; ++j)
769 {
770 if (getFolderPath(NULL, s_known_folders_lut[folderId].csidl | s_shgfpFlags[j], NULL, s_shgfpTypes[i], pathBuffer.data()) == S_OK)
771 {
772 //MessageBoxW(0, pathBuffer.data(), L"SHGetFolderPathW", MB_TOPMOST);
773 const QString folderPath = known_folder_verify(pathBuffer.data());
774 if (!folderPath.isEmpty())
775 {
776 return folderPath;
777 }
778 }
779 }
780 }
781 }
782 }
783
784 return QString(); /*failed!*/
785 }
786
787 static QString known_folder_detect(const size_t folderId)
788 {
789 typedef enum
790 {
791 KF_FLAG_DEFAULT = 0x00000000,
792 KF_FLAG_DEFAULT_PATH = 0x00000400,
793 KF_FLAG_CREATE = 0x00008000
794 }
795 kf_flag_t;
796
797 static const DWORD s_kfFlags[5] =
798 {
799 KF_FLAG_DEFAULT,
800 KF_FLAG_CREATE,
801 KF_FLAG_DEFAULT_PATH,
802 KF_FLAG_DEFAULT_PATH | KF_FLAG_CREATE,
803 MAXDWORD
804 };
805
806 const SHGetKnownFolderPathProc getKnownFolderPath = MUtils::Win32Utils::resolve<SHGetKnownFolderPathProc>(QLatin1String("shell32"), QLatin1String("SHGetKnownFolderPath"));
807 if (getKnownFolderPath)
808 {
809 for (size_t i = 0; s_kfFlags[i] != MAXDWORD; ++i)
810 {
811 WCHAR* path = NULL;
812 if (getKnownFolderPath(s_known_folders_lut[folderId].known_folder_id, s_kfFlags[i], NULL, &path) == S_OK)
813 {
814 //MessageBoxW(0, path, L"SHGetKnownFolderPath", MB_TOPMOST);
815 const QString folderPath = known_folder_verify(path);
816 CoTaskMemFree(path);
817 if (!folderPath.isEmpty())
818 {
819 return folderPath;
820 }
821 }
822 }
823 }
824
825 return known_folder_fallback(folderId); /*fallback!*/
826 }
827
828 static size_t known_folder_decode(const MUtils::OS::known_folder_t folder_id)
829 {
830 for (size_t i = 0; s_known_folders_lut[i].id; ++i)
831 {
832 if (s_known_folders_lut[i].id == folder_id)
833 {
834 return i;
835 }
836 }
837 qWarning("Invalid 'known' folder was requested!");
838 return SIZE_MAX;
839 }
840
841 const QString &MUtils::OS::known_folder(const known_folder_t folder_id)
842 {
843 //Map to numeric id
844 const size_t folderId = known_folder_decode(folder_id);
845 if (folderId == SIZE_MAX)
846 {
847 return Internal::g_empty;
848 }
849
850 //Obtain read lock
851 QReadLocker readLock(&g_known_folders_lock);
852
853 //Already in cache?
854 if(!g_known_folders_data.isNull())
855 {
856 if(g_known_folders_data->contains(folderId))
857 {
858 return (*g_known_folders_data)[folderId];
859 }
860 }
861
862 //Obtain write lock to initialize
863 readLock.unlock();
864 QWriteLocker writeLock(&g_known_folders_lock);
865
866 //Still not in cache?
867 if(!g_known_folders_data.isNull())
868 {
869 if(g_known_folders_data->contains(folderId))
870 {
871 return (*g_known_folders_data)[folderId];
872 }
873 }
874
875 //Initialize on first call
876 if(g_known_folders_data.isNull())
877 {
878 g_known_folders_data.reset(new QHash<size_t, QString>());
879 }
880
881 //Detect path now!
882 const QString folderPath = known_folder_detect(folderId);
883
884 //Update cache
885 if (!folderPath.isEmpty())
886 {
887 g_known_folders_data->insert(folderId, folderPath);
888 return (*g_known_folders_data)[folderId];
889 }
890
891 return Internal::g_empty;
892 }
893
894 ///////////////////////////////////////////////////////////////////////////////
895 // CURRENT DATA & TIME
896 ///////////////////////////////////////////////////////////////////////////////
897
898 QDate MUtils::OS::current_date(void)
899 {
900 const DWORD MAX_PROC = 1024;
901 QScopedArrayPointer<DWORD> processes(new DWORD[MAX_PROC]);
902 DWORD bytesReturned = 0;
903
904 if(!EnumProcesses(processes.data(), sizeof(DWORD) * MAX_PROC, &bytesReturned))
905 {
906 return QDate::currentDate();
907 }
908
909 const DWORD procCount = bytesReturned / sizeof(DWORD);
910 ULARGE_INTEGER lastStartTime;
911 memset(&lastStartTime, 0, sizeof(ULARGE_INTEGER));
912
913 for(DWORD i = 0; i < procCount; i++)
914 {
915 if(HANDLE hProc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, processes[i]))
916 {
917 FILETIME processTime[4];
918 if(GetProcessTimes(hProc, &processTime[0], &processTime[1], &processTime[2], &processTime[3]))
919 {
920 ULARGE_INTEGER timeCreation;
921 timeCreation.LowPart = processTime[0].dwLowDateTime;
922 timeCreation.HighPart = processTime[0].dwHighDateTime;
923 if(timeCreation.QuadPart > lastStartTime.QuadPart)
924 {
925 lastStartTime.QuadPart = timeCreation.QuadPart;
926 }
927 }
928 CloseHandle(hProc);
929 }
930 }
931
932 FILETIME lastStartTime_fileTime;
933 lastStartTime_fileTime.dwHighDateTime = lastStartTime.HighPart;
934 lastStartTime_fileTime.dwLowDateTime = lastStartTime.LowPart;
935
936 FILETIME lastStartTime_localTime;
937 if(!FileTimeToLocalFileTime(&lastStartTime_fileTime, &lastStartTime_localTime))
938 {
939 memcpy(&lastStartTime_localTime, &lastStartTime_fileTime, sizeof(FILETIME));
940 }
941
942 SYSTEMTIME lastStartTime_system;
943 if(!FileTimeToSystemTime(&lastStartTime_localTime, &lastStartTime_system))
944 {
945 memset(&lastStartTime_system, 0, sizeof(SYSTEMTIME));
946 lastStartTime_system.wYear = 1970; lastStartTime_system.wMonth = lastStartTime_system.wDay = 1;
947 }
948
949 const QDate currentDate = QDate::currentDate();
950 const QDate processDate = QDate(lastStartTime_system.wYear, lastStartTime_system.wMonth, lastStartTime_system.wDay);
951 return (currentDate >= processDate) ? currentDate : processDate;
952 }
953
954 quint64 MUtils::OS::current_file_time(void)
955 {
956 FILETIME fileTime;
957 GetSystemTimeAsFileTime(&fileTime);
958
959 ULARGE_INTEGER temp;
960 temp.HighPart = fileTime.dwHighDateTime;
961 temp.LowPart = fileTime.dwLowDateTime;
962
963 return temp.QuadPart;
964 }
965
966 ///////////////////////////////////////////////////////////////////////////////
967 // FILE PATH FROM FD
968 ///////////////////////////////////////////////////////////////////////////////
969
970 typedef DWORD(_stdcall *GetPathNameByHandleFun)(HANDLE hFile, LPWSTR lpszFilePath, DWORD cchFilePath, DWORD dwFlags);
971
972 static QString get_file_path_drive_list(void)
973 {
974 QString list;
975 const DWORD len = GetLogicalDriveStringsW(0, NULL);
976 if (len > 0)
977 {
978 if (wchar_t *const buffer = (wchar_t*) _malloca(sizeof(wchar_t) * len))
979 {
980 const DWORD ret = GetLogicalDriveStringsW(len, buffer);
981 if ((ret > 0) && (ret < len))
982 {
983 const wchar_t *ptr = buffer;
984 while (const size_t current_len = wcslen(ptr))
985 {
986 list.append(QChar(*reinterpret_cast<const ushort*>(ptr)));
987 ptr += (current_len + 1);
988 }
989 }
990 _freea(buffer);
991 }
992 }
993 return list;
994 }
995
996 static void get_file_path_translate(QString &path)
997 {
998 static const DWORD BUFSIZE = 2048;
999 wchar_t buffer[BUFSIZE], drive[3];
1000
1001 const QString driveList = get_file_path_drive_list();
1002 wcscpy_s(drive, 3, L"?:");
1003 for (const wchar_t *current = MUTILS_WCHR(driveList); *current; current++)
1004 {
1005 drive[0] = (*current);
1006 if (QueryDosDeviceW(drive, buffer, MAX_PATH))
1007 {
1008 const QString prefix = MUTILS_QSTR(buffer);
1009 if (path.startsWith(prefix, Qt::CaseInsensitive))
1010 {
1011 path.remove(0, prefix.length()).prepend(QLatin1Char(':')).prepend(QChar(*reinterpret_cast<const ushort*>(current)));
1012 break;
1013 }
1014 }
1015 }
1016 }
1017
1018 static QString get_file_path_fallback(const HANDLE &hFile)
1019 {
1020 QString filePath;
1021
1022 const HANDLE hFileMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 1, NULL);
1023 if (hFileMap)
1024 {
1025 void *const pMem = MapViewOfFile(hFileMap, FILE_MAP_READ, 0, 0, 1);
1026 if (pMem)
1027 {
1028 static const size_t BUFFSIZE = 2048;
1029 wchar_t buffer[BUFFSIZE];
1030 if (GetMappedFileNameW(GetCurrentProcess(), pMem, buffer, BUFFSIZE) > 0)
1031 {
1032 filePath = MUTILS_QSTR(buffer);
1033 }
1034 UnmapViewOfFile(pMem);
1035 }
1036 CloseHandle(hFileMap);
1037 }
1038
1039 if (!filePath.isEmpty())
1040 {
1041 get_file_path_translate(filePath);
1042 }
1043
1044 return filePath;
1045 }
1046
1047 QString MUtils::OS::get_file_path(const int &fd)
1048 {
1049 if (fd >= 0)
1050 {
1051 const GetPathNameByHandleFun getPathNameByHandleFun = MUtils::Win32Utils::resolve<GetPathNameByHandleFun>(QLatin1String("kernel32"), QLatin1String("GetFinalPathNameByHandleW"));
1052 if (!getPathNameByHandleFun)
1053 {
1054 return get_file_path_fallback((HANDLE)_get_osfhandle(fd));
1055 }
1056
1057 const HANDLE handle = (HANDLE) _get_osfhandle(fd);
1058 const DWORD len = getPathNameByHandleFun(handle, NULL, 0, FILE_NAME_OPENED);
1059 if (len > 0)
1060 {
1061 if (wchar_t *const buffer = (wchar_t*)_malloca(sizeof(wchar_t) * len))
1062 {
1063 const DWORD ret = getPathNameByHandleFun(handle, buffer, len, FILE_NAME_OPENED);
1064 if ((ret > 0) && (ret < len))
1065 {
1066 const QString path(MUTILS_QSTR(buffer));
1067 return path.startsWith(QLatin1String("\\\\?\\")) ? path.mid(4) : path;
1068 }
1069 _freea(buffer);
1070 }
1071 }
1072 }
1073
1074 return QString();
1075 }
1076
1077 ///////////////////////////////////////////////////////////////////////////////
1078 // PROCESS ELEVATION
1079 ///////////////////////////////////////////////////////////////////////////////
1080
1081 static bool user_is_admin_helper(void)
1082 {
1083 HANDLE hToken = NULL;
1084 if(!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken))
1085 {
1086 return false;
1087 }
1088
1089 DWORD dwSize = 0;
1090 if(!GetTokenInformation(hToken, TokenGroups, NULL, 0, &dwSize))
1091 {
1092 if(GetLastError() != ERROR_INSUFFICIENT_BUFFER)
1093 {
1094 CloseHandle(hToken);
1095 return false;
1096 }
1097 }
1098
1099 PTOKEN_GROUPS lpGroups = (PTOKEN_GROUPS) malloc(dwSize);
1100 if(!lpGroups)
1101 {
1102 CloseHandle(hToken);
1103 return false;
1104 }
1105
1106 if(!GetTokenInformation(hToken, TokenGroups, lpGroups, dwSize, &dwSize))
1107 {
1108 free(lpGroups);
1109 CloseHandle(hToken);
1110 return false;
1111 }
1112
1113 PSID lpSid = NULL; SID_IDENTIFIER_AUTHORITY Authority = {SECURITY_NT_AUTHORITY};
1114 if(!AllocateAndInitializeSid(&Authority, 2, SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_ALIAS_RID_ADMINS, 0, 0, 0, 0, 0, 0, &lpSid))
1115 {
1116 free(lpGroups);
1117 CloseHandle(hToken);
1118 return false;
1119 }
1120
1121 bool bResult = false;
1122 for(DWORD i = 0; i < lpGroups->GroupCount; i++)
1123 {
1124 if(EqualSid(lpSid, lpGroups->Groups[i].Sid))
1125 {
1126 bResult = true;
1127 break;
1128 }
1129 }
1130
1131 FreeSid(lpSid);
1132 free(lpGroups);
1133 CloseHandle(hToken);
1134 return bResult;
1135 }
1136
1137 bool MUtils::OS::is_elevated(bool *bIsUacEnabled)
1138 {
1139 if(bIsUacEnabled)
1140 {
1141 *bIsUacEnabled = false;
1142 }
1143
1144 bool bIsProcessElevated = false;
1145 HANDLE hToken = NULL;
1146
1147 if(OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken))
1148 {
1149 TOKEN_ELEVATION_TYPE tokenElevationType;
1150 DWORD returnLength;
1151 if(GetTokenInformation(hToken, TokenElevationType, &tokenElevationType, sizeof(TOKEN_ELEVATION_TYPE), &returnLength))
1152 {
1153 if(returnLength == sizeof(TOKEN_ELEVATION_TYPE))
1154 {
1155 switch(tokenElevationType)
1156 {
1157 case TokenElevationTypeDefault:
1158 qDebug("Process token elevation type: Default -> UAC is disabled.\n");
1159 break;
1160 case TokenElevationTypeFull:
1161 qWarning("Process token elevation type: Full -> potential security risk!\n");
1162 bIsProcessElevated = true;
1163 if(bIsUacEnabled) *bIsUacEnabled = true;
1164 break;
1165 case TokenElevationTypeLimited:
1166 qDebug("Process token elevation type: Limited -> not elevated.\n");
1167 if(bIsUacEnabled) *bIsUacEnabled = true;
1168 break;
1169 default:
1170 qWarning("Unknown tokenElevationType value: %d", tokenElevationType);
1171 break;
1172 }
1173 }
1174 else
1175 {
1176 qWarning("GetTokenInformation() return an unexpected size!");
1177 }
1178 }
1179 CloseHandle(hToken);
1180 }
1181 else
1182 {
1183 qWarning("Failed to open process token!");
1184 }
1185
1186 return bIsProcessElevated;
1187 }
1188
1189 bool MUtils::OS::user_is_admin(void)
1190 {
1191 bool isAdmin = false;
1192
1193 //Check for process elevation and UAC support first!
1194 if(MUtils::OS::is_elevated(&isAdmin))
1195 {
1196 qWarning("Process is elevated -> user is admin!");
1197 return true;
1198 }
1199
1200 //If not elevated and UAC is not available -> user must be in admin group!
1201 if(!isAdmin)
1202 {
1203 qDebug("UAC is disabled/unavailable -> checking for Administrators group");
1204 isAdmin = user_is_admin_helper();
1205 }
1206
1207 return isAdmin;
1208 }
1209
1210 ///////////////////////////////////////////////////////////////////////////////
1211 // NETWORK STATE
1212 ///////////////////////////////////////////////////////////////////////////////
1213
1214 int MUtils::OS::network_status(void)
1215 {
1216 DWORD dwFlags;
1217 const BOOL ret = IsNetworkAlive(&dwFlags);
1218 if(GetLastError() == 0)
1219 {
1220 return (ret != FALSE) ? NETWORK_TYPE_YES : NETWORK_TYPE_NON;
1221 }
1222 return NETWORK_TYPE_ERR;
1223 }
1224
1225 ///////////////////////////////////////////////////////////////////////////////
1226 // MESSAGE HANDLER
1227 ///////////////////////////////////////////////////////////////////////////////
1228
1229 bool MUtils::OS::handle_os_message(const void *const message, long *result)
1230 {
1231 const MSG *const msg = reinterpret_cast<const MSG*>(message);
1232
1233 switch(msg->message)
1234 {
1235 case WM_QUERYENDSESSION:
1236 qWarning("WM_QUERYENDSESSION message received!");
1237 *result = MUtils::GUI::broadcast(MUtils::GUI::USER_EVENT_QUERYENDSESSION, false) ? TRUE : FALSE;
1238 return true;
1239 case WM_ENDSESSION:
1240 qWarning("WM_ENDSESSION message received!");
1241 if(msg->wParam == TRUE)
1242 {
1243 MUtils::GUI::broadcast(MUtils::GUI::USER_EVENT_ENDSESSION, false);
1244 MUtils::GUI::force_quit();
1245 exit(1);
1246 }
1247 *result = 0;
1248 return true;
1249 default:
1250 /*ignore this message and let Qt handle it*/
1251 return false;
1252 }
1253 }
1254
1255 ///////////////////////////////////////////////////////////////////////////////
1256 // SLEEP
1257 ///////////////////////////////////////////////////////////////////////////////
1258
1259 void MUtils::OS::sleep_ms(const size_t &duration)
1260 {
1261 Sleep((DWORD) duration);
1262 }
1263
1264 ///////////////////////////////////////////////////////////////////////////////
1265 // EXECUTABLE CHECK
1266 ///////////////////////////////////////////////////////////////////////////////
1267
1268 static int g_library_as_image_resource_supported = -1;
1269 static QReadWriteLock g_library_as_image_resource_supported_lock;
1270
1271 static bool library_as_image_resource_supported()
1272 {
1273 QReadLocker readLocker(&g_library_as_image_resource_supported_lock);
1274 if (g_library_as_image_resource_supported >= 0)
1275 {
1276 return (g_library_as_image_resource_supported > 0);
1277 }
1278
1279 readLocker.unlock();
1280 QWriteLocker writeLocker(&g_library_as_image_resource_supported_lock);
1281
1282 if (g_library_as_image_resource_supported < 0)
1283 {
1284 g_library_as_image_resource_supported = 0;
1285 OSVERSIONINFOEXW osvi;
1286 if (rtl_get_version(&osvi))
1287 {
1288 if ((osvi.dwPlatformId == VER_PLATFORM_WIN32_NT) && (osvi.dwMajorVersion >= 6U))
1289 {
1290 g_library_as_image_resource_supported = 1;
1291 }
1292 }
1293 }
1294
1295 return (g_library_as_image_resource_supported > 0);
1296 }
1297
1298 bool MUtils::OS::is_executable_file(const QString &path)
1299 {
1300 DWORD binaryType;
1301 if(GetBinaryType(MUTILS_WCHR(QDir::toNativeSeparators(path)), &binaryType))
1302 {
1303 return ((binaryType == SCS_32BIT_BINARY) || (binaryType == SCS_64BIT_BINARY));
1304 }
1305
1306 const DWORD errorCode = GetLastError();
1307 qWarning("GetBinaryType() failed with error: 0x%08X", errorCode);
1308 return false;
1309 }
1310
1311 bool MUtils::OS::is_library_file(const QString &path)
1312 {
1313 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);
1314 if (const HMODULE hMod = LoadLibraryEx(MUTILS_WCHR(QDir::toNativeSeparators(path)), NULL, flags))
1315 {
1316 FreeLibrary(hMod);
1317 return true;
1318 }
1319
1320 const DWORD errorCode = GetLastError();
1321 qWarning("LoadLibraryEx() failed with error: 0x%08X", errorCode);
1322 return false;
1323 }
1324
1325 ///////////////////////////////////////////////////////////////////////////////
1326 // HIBERNATION / SHUTDOWN
1327 ///////////////////////////////////////////////////////////////////////////////
1328
1329 bool MUtils::OS::is_hibernation_supported(void)
1330 {
1331 bool hibernationSupported = false;
1332
1333 SYSTEM_POWER_CAPABILITIES pwrCaps;
1334 SecureZeroMemory(&pwrCaps, sizeof(SYSTEM_POWER_CAPABILITIES));
1335
1336 if(GetPwrCapabilities(&pwrCaps))
1337 {
1338 hibernationSupported = pwrCaps.SystemS4 && pwrCaps.HiberFilePresent;
1339 }
1340
1341 return hibernationSupported;
1342 }
1343
1344 bool MUtils::OS::shutdown_computer(const QString &message, const unsigned long timeout, const bool forceShutdown, const bool hibernate)
1345 {
1346 HANDLE hToken = NULL;
1347
1348 if(OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken))
1349 {
1350 TOKEN_PRIVILEGES privileges;
1351 memset(&privileges, 0, sizeof(TOKEN_PRIVILEGES));
1352 privileges.PrivilegeCount = 1;
1353 privileges.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
1354
1355 if(LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME, &privileges.Privileges[0].Luid))
1356 {
1357 if(AdjustTokenPrivileges(hToken, FALSE, &privileges, NULL, NULL, NULL))
1358 {
1359 if(hibernate)
1360 {
1361 if(SetSuspendState(TRUE, TRUE, TRUE))
1362 {
1363 return true;
1364 }
1365 }
1366 const DWORD reason = SHTDN_REASON_MAJOR_APPLICATION | SHTDN_REASON_FLAG_PLANNED;
1367 return InitiateSystemShutdownEx(NULL, const_cast<wchar_t*>(MUTILS_WCHR(message)), timeout, forceShutdown ? TRUE : FALSE, FALSE, reason);
1368 }
1369 }
1370 }
1371
1372 return false;
1373 }
1374
1375 ///////////////////////////////////////////////////////////////////////////////
1376 // FREE DISKSPACE
1377 ///////////////////////////////////////////////////////////////////////////////
1378
1379 bool MUtils::OS::free_diskspace(const QString &path, quint64 &freeSpace)
1380 {
1381 ULARGE_INTEGER freeBytesAvailable, totalNumberOfBytes, totalNumberOfFreeBytes;
1382 if(GetDiskFreeSpaceExW(reinterpret_cast<const wchar_t*>(QDir::toNativeSeparators(path).utf16()), &freeBytesAvailable, &totalNumberOfBytes, &totalNumberOfFreeBytes))
1383 {
1384 freeSpace = freeBytesAvailable.QuadPart;
1385 return true;;
1386 }
1387
1388 freeSpace = -1;
1389 return false;
1390 }
1391
1392 ///////////////////////////////////////////////////////////////////////////////
1393 // DRIVE TYPE
1394 ///////////////////////////////////////////////////////////////////////////////
1395
1396 static wchar_t get_drive_letter(const QString &path)
1397 {
1398 QString nativePath = QDir::toNativeSeparators(path);
1399 while (nativePath.startsWith("\\\\?\\") || nativePath.startsWith("\\\\.\\"))
1400 {
1401 nativePath = QDir::toNativeSeparators(nativePath.mid(4));
1402 }
1403 if ((path.length() > 1) && (path[1] == QLatin1Char(':')))
1404 {
1405 const wchar_t letter = static_cast<wchar_t>(path[0].unicode());
1406 if (((letter >= 'A') && (letter <= 'Z')) || ((letter >= 'a') && (letter <= 'z')))
1407 {
1408 return towupper(letter);
1409 }
1410 }
1411 return L'\0'; /*invalid path spec*/
1412 }
1413
1414 static QSet<DWORD> get_physical_drive_ids(const wchar_t drive_letter)
1415 {
1416 QSet<DWORD> physical_drives;
1417 wchar_t driveName[8];
1418 _snwprintf_s(driveName, 8, _TRUNCATE, L"\\\\.\\%c:", drive_letter);
1419 const HANDLE hDrive = CreateFileW(driveName, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
1420 if (hDrive && (hDrive != INVALID_HANDLE_VALUE))
1421 {
1422 const size_t BUFF_SIZE = sizeof(VOLUME_DISK_EXTENTS) + (32U * sizeof(DISK_EXTENT));
1423 VOLUME_DISK_EXTENTS *const diskExtents = (VOLUME_DISK_EXTENTS*)_malloca(BUFF_SIZE);
1424 DWORD dwSize;
1425 if (DeviceIoControl(hDrive, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS, NULL, 0, (LPVOID)diskExtents, (DWORD)BUFF_SIZE, (LPDWORD)&dwSize, NULL))
1426 {
1427 for (DWORD index = 0U; index < diskExtents->NumberOfDiskExtents; ++index)
1428 {
1429 physical_drives.insert(diskExtents->Extents[index].DiskNumber);
1430 }
1431 }
1432 _freea(diskExtents);
1433 CloseHandle(hDrive);
1434 }
1435 return physical_drives;
1436 }
1437
1438 static bool incurs_seek_penalty(const DWORD device_id)
1439 {
1440 wchar_t driveName[24];
1441 _snwprintf_s(driveName, 24, _TRUNCATE, L"\\\\?\\PhysicalDrive%u", device_id);
1442 const HANDLE hDevice = CreateFileW(driveName, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
1443 bool seeking_penalty = true;
1444 if (hDevice && (hDevice != INVALID_HANDLE_VALUE))
1445 {
1446 STORAGE_PROPERTY_QUERY spq;
1447 DEVICE_SEEK_PENALTY_DESCRIPTOR dspd;
1448 memset(&spq, 0, sizeof(STORAGE_PROPERTY_QUERY));
1449 spq.PropertyId = (STORAGE_PROPERTY_ID)StorageDeviceSeekPenaltyProperty;
1450 spq.QueryType = PropertyStandardQuery;
1451 DWORD dwSize;
1452 if (DeviceIoControl(hDevice, IOCTL_STORAGE_QUERY_PROPERTY, (LPVOID)&spq, (DWORD)sizeof(spq), (LPVOID)&dspd, (DWORD)sizeof(dspd), (LPDWORD)&dwSize, NULL))
1453 {
1454 seeking_penalty = dspd.IncursSeekPenalty;
1455 }
1456 CloseHandle(hDevice);
1457 }
1458 return seeking_penalty;
1459 }
1460
1461 static bool is_fast_seeking_drive(const wchar_t drive_letter)
1462 {
1463 bool fast_seeking = false;
1464 const QSet<DWORD> physical_drive_ids = get_physical_drive_ids(drive_letter);
1465 if (!physical_drive_ids.empty())
1466 {
1467 fast_seeking = true;
1468 for (QSet<DWORD>::const_iterator iter = physical_drive_ids.constBegin(); iter != physical_drive_ids.constEnd(); ++iter)
1469 {
1470 fast_seeking = fast_seeking && (!incurs_seek_penalty(*iter));
1471 }
1472 }
1473 return fast_seeking;
1474 }
1475
1476 MUtils::OS::drive_type_t MUtils::OS::get_drive_type(const QString &path, bool *fast_seeking)
1477 {
1478 drive_type_t driveType = DRIVE_TYPE_ERR;
1479 const wchar_t driveLetter = get_drive_letter(path);
1480 if (driveLetter)
1481 {
1482 wchar_t driveName[8];
1483 _snwprintf_s(driveName, 8, _TRUNCATE, L"\\\\.\\%c:\\", driveLetter);
1484 switch (GetDriveTypeW(driveName))
1485 {
1486 case DRIVE_REMOVABLE: driveType = DRIVE_TYPE_FDD; break;
1487 case DRIVE_FIXED: driveType = DRIVE_TYPE_HDD; break;
1488 case DRIVE_REMOTE: driveType = DRIVE_TYPE_NET; break;
1489 case DRIVE_CDROM: driveType = DRIVE_TYPE_OPT; break;
1490 case DRIVE_RAMDISK: driveType = DRIVE_TYPE_RAM; break;
1491 }
1492 }
1493 if (fast_seeking)
1494 {
1495 if (driveType == DRIVE_TYPE_HDD)
1496 {
1497 *fast_seeking = is_fast_seeking_drive(driveLetter);
1498 }
1499 else
1500 {
1501 *fast_seeking = (driveType == DRIVE_TYPE_RAM);
1502 }
1503 }
1504 return driveType;
1505 }
1506
1507 ///////////////////////////////////////////////////////////////////////////////
1508 // SHELL OPEN
1509 ///////////////////////////////////////////////////////////////////////////////
1510
1511 bool MUtils::OS::shell_open(const QWidget *parent, const QString &url, const QString &parameters, const QString &directory, const bool explore)
1512 {
1513 return ((int) ShellExecuteW((parent ? reinterpret_cast<HWND>(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;
1514 }
1515
1516 bool MUtils::OS::shell_open(const QWidget *parent, const QString &url, const bool explore)
1517 {
1518 return shell_open(parent, url, QString(), QString(), explore);
1519 }
1520
1521 ///////////////////////////////////////////////////////////////////////////////
1522 // OPEN MEDIA FILE
1523 ///////////////////////////////////////////////////////////////////////////////
1524
1525 bool MUtils::OS::open_media_file(const QString &mediaFilePath)
1526 {
1527 const static wchar_t *registryPrefix[2] = { L"SOFTWARE\\", L"SOFTWARE\\Wow6432Node\\" };
1528 const static wchar_t *registryKeys[3] =
1529 {
1530 L"Microsoft\\Windows\\CurrentVersion\\Uninstall\\{97D341C8-B0D1-4E4A-A49A-C30B52F168E9}",
1531 L"Microsoft\\Windows\\CurrentVersion\\Uninstall\\{DB9E4EAB-2717-499F-8D56-4CC8A644AB60}",
1532 L"foobar2000"
1533 };
1534 const static wchar_t *appNames[4] = { L"smplayer_portable.exe", L"smplayer.exe", L"MPUI.exe", L"foobar2000.exe" };
1535 const static wchar_t *valueNames[2] = { L"InstallLocation", L"InstallDir" };
1536
1537 for(size_t i = 0; i < 3; i++)
1538 {
1539 for(size_t j = 0; j < 2; j++)
1540 {
1541 QString mplayerPath;
1542 HKEY registryKeyHandle = NULL;
1543
1544 const QString currentKey = MUTILS_QSTR(registryPrefix[j]).append(MUTILS_QSTR(registryKeys[i]));
1545 if(RegOpenKeyExW(HKEY_LOCAL_MACHINE, MUTILS_WCHR(currentKey), 0, KEY_READ, &registryKeyHandle) == ERROR_SUCCESS)
1546 {
1547 for(size_t k = 0; k < 2; k++)
1548 {
1549 wchar_t Buffer[4096];
1550 DWORD BuffSize = sizeof(wchar_t*) * 4096;
1551 DWORD DataType = REG_NONE;
1552 if(RegQueryValueExW(registryKeyHandle, valueNames[k], 0, &DataType, reinterpret_cast<BYTE*>(Buffer), &BuffSize) == ERROR_SUCCESS)
1553 {
1554 if((DataType == REG_SZ) || (DataType == REG_EXPAND_SZ) || (DataType == REG_LINK))
1555 {
1556 mplayerPath = MUTILS_QSTR(Buffer);
1557 break;
1558 }
1559 }
1560 }
1561 RegCloseKey(registryKeyHandle);
1562 }
1563
1564 if(!mplayerPath.isEmpty())
1565 {
1566 QDir mplayerDir(mplayerPath);
1567 if(mplayerDir.exists())
1568 {
1569 for(size_t k = 0; k < 4; k++)
1570 {
1571 if(mplayerDir.exists(MUTILS_QSTR(appNames[k])))
1572 {
1573 qDebug("Player found at:\n%s\n", MUTILS_UTF8(mplayerDir.absoluteFilePath(MUTILS_QSTR(appNames[k]))));
1574 QProcess::startDetached(mplayerDir.absoluteFilePath(MUTILS_QSTR(appNames[k])), QStringList() << QDir::toNativeSeparators(mediaFilePath));
1575 return true;
1576 }
1577 }
1578 }
1579 }
1580 }
1581 }
1582 return false;
1583 }
1584
1585 ///////////////////////////////////////////////////////////////////////////////
1586 // DEBUGGER CHECK
1587 ///////////////////////////////////////////////////////////////////////////////
1588
1589 static bool change_process_priority_helper(const HANDLE hProcess, const int priority)
1590 {
1591 bool ok = false;
1592
1593 switch(qBound(-2, priority, 2))
1594 {
1595 case 2:
1596 ok = (SetPriorityClass(hProcess, HIGH_PRIORITY_CLASS) == TRUE);
1597 break;
1598 case 1:
1599 if(!(ok = (SetPriorityClass(hProcess, ABOVE_NORMAL_PRIORITY_CLASS) == TRUE)))
1600 {
1601 ok = (SetPriorityClass(hProcess, HIGH_PRIORITY_CLASS) == TRUE);
1602 }
1603 break;
1604 case 0:
1605 ok = (SetPriorityClass(hProcess, NORMAL_PRIORITY_CLASS) == TRUE);
1606 break;
1607 case -1:
1608 if(!(ok = (SetPriorityClass(hProcess, BELOW_NORMAL_PRIORITY_CLASS) == TRUE)))
1609 {
1610 ok = (SetPriorityClass(hProcess, IDLE_PRIORITY_CLASS) == TRUE);
1611 }
1612 break;
1613 case -2:
1614 ok = (SetPriorityClass(hProcess, IDLE_PRIORITY_CLASS) == TRUE);
1615 break;
1616 }
1617
1618 return ok;
1619 }
1620
1621 bool MUtils::OS::change_process_priority(const int priority)
1622 {
1623 return change_process_priority_helper(GetCurrentProcess(), priority);
1624 }
1625
1626 bool MUtils::OS::change_process_priority(const QProcess *proc, const int priority)
1627 {
1628 if(Q_PID qPid = proc->pid())
1629 {
1630 return change_process_priority_helper(qPid->hProcess, priority);
1631 }
1632 else
1633 {
1634 return false;
1635 }
1636 }
1637
1638 ///////////////////////////////////////////////////////////////////////////////
1639 // PROCESS ID
1640 ///////////////////////////////////////////////////////////////////////////////
1641
1642 quint32 MUtils::OS::process_id(void)
1643 {
1644 return GetCurrentProcessId();
1645 }
1646
1647 quint32 MUtils::OS::process_id(const QProcess *const proc)
1648 {
1649 PROCESS_INFORMATION *procInf = proc->pid();
1650 return (procInf) ? procInf->dwProcessId : 0;
1651 }
1652
1653 quint32 MUtils::OS::thread_id(void)
1654 {
1655 return GetCurrentThreadId();
1656 }
1657
1658 quint32 MUtils::OS::thread_id(const QProcess *const proc)
1659 {
1660 PROCESS_INFORMATION *procInf = proc->pid();
1661 return (procInf) ? procInf->dwThreadId : 0;
1662 }
1663
1664 ///////////////////////////////////////////////////////////////////////////////
1665 // PROCESS SUSPEND/RESUME
1666 ///////////////////////////////////////////////////////////////////////////////
1667
1668 bool MUtils::OS::suspend_process(const QProcess *proc, const bool suspend)
1669 {
1670 if(Q_PID pid = proc->pid())
1671 {
1672 if(suspend)
1673 {
1674 return (SuspendThread(pid->hThread) != ((DWORD) -1));
1675 }
1676 else
1677 {
1678 return (ResumeThread(pid->hThread) != ((DWORD) -1));
1679 }
1680 }
1681 else
1682 {
1683 return false;
1684 }
1685 }
1686
1687 ///////////////////////////////////////////////////////////////////////////////
1688 // SYSTEM TIMER
1689 ///////////////////////////////////////////////////////////////////////////////
1690
1691 bool MUtils::OS::setup_timer_resolution(const quint32 &interval)
1692 {
1693 return timeBeginPeriod(interval) == TIMERR_NOERROR;
1694 }
1695
1696 bool MUtils::OS::reset_timer_resolution(const quint32 &interval)
1697 {
1698 return timeEndPeriod(interval) == TIMERR_NOERROR;
1699 }
1700
1701 ///////////////////////////////////////////////////////////////////////////////
1702 // SET FILE TIME
1703 ///////////////////////////////////////////////////////////////////////////////
1704
1705 static QScopedPointer<QDateTime> s_epoch;
1706 static QReadWriteLock s_epochLock;
1707
1708 static const QDateTime *get_epoch(void)
1709 {
1710 QReadLocker rdLock(&s_epochLock);
1711
1712 if (s_epoch.isNull())
1713 {
1714 rdLock.unlock();
1715 QWriteLocker wrLock(&s_epochLock);
1716 if (s_epoch.isNull())
1717 {
1718 s_epoch.reset(new QDateTime(QDate(1601, 1, 1), QTime(0, 0, 0, 0), Qt::UTC));
1719 }
1720 wrLock.unlock();
1721 rdLock.relock();
1722 }
1723
1724 return s_epoch.data();
1725 }
1726
1727 static FILETIME *qt_time_to_file_time(FILETIME *const fileTime, const QDateTime &dateTime)
1728 {
1729 memset(fileTime, 0, sizeof(FILETIME));
1730
1731 if (const QDateTime *const epoch = get_epoch())
1732 {
1733 const qint64 msecs = epoch->msecsTo(dateTime);
1734 if (msecs > 0)
1735 {
1736 const quint64 ticks = 10000U * quint64(msecs);
1737 fileTime->dwHighDateTime = ((ticks >> 32) & 0xFFFFFFFF);
1738 fileTime->dwLowDateTime = (ticks & 0xFFFFFFFF);
1739 return fileTime;
1740 }
1741 }
1742
1743 return NULL;
1744 }
1745
1746 static bool set_file_time(const HANDLE hFile, const QDateTime &created, const QDateTime &lastMod, const QDateTime &lastAcc)
1747 {
1748 FILETIME ftCreated, ftLastMod, ftLastAcc;
1749
1750 FILETIME *const pCreated = created.isValid() ? qt_time_to_file_time(&ftCreated, created) : NULL;
1751 FILETIME *const pLastMod = lastMod.isValid() ? qt_time_to_file_time(&ftLastMod, lastMod) : NULL;
1752 FILETIME *const pLastAcc = lastAcc.isValid() ? qt_time_to_file_time(&ftLastAcc, lastAcc) : NULL;
1753
1754 if (pCreated || pLastMod || pLastAcc)
1755 {
1756 return (SetFileTime(hFile, pCreated, pLastAcc, pLastMod) != FALSE);
1757 }
1758
1759 return false;
1760 }
1761
1762 bool MUtils::OS::set_file_time(const QFile &file, const QDateTime &created, const QDateTime &lastMod, const QDateTime &lastAcc)
1763 {
1764 const int fd = file.handle();
1765 if (fd >= 0)
1766 {
1767 return set_file_time((HANDLE)_get_osfhandle(fd), created, lastMod, lastAcc);
1768 }
1769 return false;
1770 }
1771
1772 bool MUtils::OS::set_file_time(const QString &path, const QDateTime &created, const QDateTime &lastMod, const QDateTime &lastAcc)
1773 {
1774 const HANDLE hFile = CreateFileW(MUTILS_WCHR(path), FILE_WRITE_ATTRIBUTES, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0);
1775 bool okay = false;
1776 if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE))
1777 {
1778 okay = set_file_time(hFile, created, lastMod, lastAcc);
1779 CloseHandle(hFile);
1780 }
1781 return okay;
1782 }
1783
1784 ///////////////////////////////////////////////////////////////////////////////
1785 // CHECK KEY STATE
1786 ///////////////////////////////////////////////////////////////////////////////
1787
1788 bool MUtils::OS::check_key_state_esc(void)
1789 {
1790 return (GetAsyncKeyState(VK_ESCAPE) & 0x0001) != 0;
1791 }
1792
1793 ///////////////////////////////////////////////////////////////////////////////
1794 // SHELL CHANGE NOTIFICATION
1795 ///////////////////////////////////////////////////////////////////////////////
1796
1797 void MUtils::OS::shell_change_notification(void)
1798 {
1799 SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST, NULL, NULL);
1800 }
1801
1802 ///////////////////////////////////////////////////////////////////////////////
1803 // WOW64 REDIRECTION
1804 ///////////////////////////////////////////////////////////////////////////////
1805
1806 typedef BOOL (_stdcall *Wow64DisableWow64FsRedirectionFun)(PVOID *OldValue);
1807 typedef BOOL (_stdcall *Wow64RevertWow64FsRedirectionFun) (PVOID OldValue);
1808
1809 bool MUtils::OS::wow64fsredir_disable(uintptr_t &oldValue)
1810 {
1811 oldValue = reinterpret_cast<uintptr_t>(nullptr);
1812 const Wow64DisableWow64FsRedirectionFun wow64redir_disable = MUtils::Win32Utils::resolve<Wow64DisableWow64FsRedirectionFun>(QLatin1String("kernel32"), QLatin1String("Wow64DisableWow64FsRedirection"));
1813 if(wow64redir_disable)
1814 {
1815 PVOID temp = NULL;
1816 if (wow64redir_disable(&temp))
1817 {
1818 oldValue = reinterpret_cast<uintptr_t>(temp);
1819 return true;
1820 }
1821 }
1822 return false;
1823 }
1824
1825 bool MUtils::OS::wow64fsredir_revert(const uintptr_t oldValue)
1826 {
1827 const Wow64RevertWow64FsRedirectionFun wow64redir_disable = MUtils::Win32Utils::resolve<Wow64RevertWow64FsRedirectionFun>(QLatin1String("kernel32"), QLatin1String("Wow64RevertWow64FsRedirection"));
1828 if (wow64redir_disable)
1829 {
1830 if (wow64redir_disable(reinterpret_cast<PVOID>(oldValue)))
1831 {
1832 return true;
1833 }
1834 }
1835 return false;
1836 }
1837
1838 ///////////////////////////////////////////////////////////////////////////////
1839 // DEBUGGER CHECK
1840 ///////////////////////////////////////////////////////////////////////////////
1841
1842 QString MUtils::OS::get_envvar(const QString &name)
1843 {
1844 wchar_t *buffer = NULL;
1845 size_t requiredSize = 0, buffSize = 0;
1846 QString result;
1847
1848 forever
1849 {
1850 //Adjust the buffer size as required first!
1851 if (buffSize < requiredSize)
1852 {
1853 if (buffer)
1854 {
1855 _freea(buffer);
1856 }
1857 if (!(buffer = (wchar_t*)_malloca(sizeof(wchar_t) * requiredSize)))
1858 {
1859 break; /*out of memory error!*/
1860 }
1861 buffSize = requiredSize;
1862 }
1863
1864 //Try to fetch the environment variable now
1865 const errno_t error = _wgetenv_s(&requiredSize, buffer, buffSize, MUTILS_WCHR(name));
1866 if(!error)
1867 {
1868 if (requiredSize > 0)
1869 {
1870 result = MUTILS_QSTR(buffer);
1871 }
1872 break; /*done*/
1873 }
1874 else if (error != ERANGE)
1875 {
1876 break; /*somethging else went wrong!*/
1877 }
1878 }
1879
1880 if (buffer)
1881 {
1882 _freea(buffer);
1883 buffSize = 0;
1884 buffer = NULL;
1885 }
1886
1887 return result;
1888 }
1889
1890 bool MUtils::OS::set_envvar(const QString &name, const QString &value)
1891 {
1892 if (!_wputenv_s(MUTILS_WCHR(name), MUTILS_WCHR(value)))
1893 {
1894 return true;
1895 }
1896 return false;
1897 }
1898
1899 ///////////////////////////////////////////////////////////////////////////////
1900 // NULL DEVICE
1901 ///////////////////////////////////////////////////////////////////////////////
1902
1903 static const QLatin1String NULL_DEVICE("NUL");
1904
1905 const QLatin1String &MUtils::OS::null_device(void)
1906 {
1907 return NULL_DEVICE;
1908 }
1909
1910 ///////////////////////////////////////////////////////////////////////////////
1911 // DEBUGGER CHECK
1912 ///////////////////////////////////////////////////////////////////////////////
1913
1914 #if (!(MUTILS_DEBUG))
1915 static __forceinline bool is_debugger_present(void)
1916 {
1917 __try
1918 {
1919 CloseHandle((HANDLE)((DWORD_PTR)-3));
1920 }
1921 __except(1)
1922 {
1923 return true;
1924 }
1925
1926 BOOL bHaveDebugger = FALSE;
1927 if(CheckRemoteDebuggerPresent(GetCurrentProcess(), &bHaveDebugger))
1928 {
1929 if(bHaveDebugger) return true;
1930 }
1931
1932 return IsDebuggerPresent();
1933 }
1934 static __forceinline bool check_debugger_helper(void)
1935 {
1936 if(is_debugger_present())
1937 {
1938 MUtils::OS::fatal_exit(L"Not a debug build. Please unload debugger and try again!");
1939 return true;
1940 }
1941 return false;
1942 }
1943 #else
1944 #define check_debugger_helper() (false)
1945 #endif
1946
1947 void MUtils::OS::check_debugger(void)
1948 {
1949 check_debugger_helper();
1950 }
1951
1952 static volatile bool g_debug_check = check_debugger_helper();
1953
1954 ///////////////////////////////////////////////////////////////////////////////
1955 // FATAL EXIT
1956 ///////////////////////////////////////////////////////////////////////////////
1957
1958 static MUtils::Internal::CriticalSection g_fatal_exit_lock;
1959 static QAtomicInt g_fatal_exit_flag;
1960
1961 static DWORD WINAPI fatal_exit_helper(LPVOID lpParameter)
1962 {
1963 MUtils::OS::system_message_err(L"GURU MEDITATION", (LPWSTR) lpParameter);
1964 return 0;
1965 }
1966
1967 void MUtils::OS::fatal_exit(const wchar_t* const errorMessage)
1968 {
1969 g_fatal_exit_lock.enter();
1970
1971 if(!g_fatal_exit_flag.testAndSetOrdered(0, 1))
1972 {
1973 return; /*prevent recursive invocation*/
1974 }
1975
1976 if(g_main_thread_id != GetCurrentThreadId())
1977 {
1978 if(HANDLE hThreadMain = OpenThread(THREAD_SUSPEND_RESUME, FALSE, g_main_thread_id))
1979 {
1980 SuspendThread(hThreadMain); /*stop main thread*/
1981 }
1982 }
1983
1984 if(HANDLE hThread = CreateThread(NULL, 0, fatal_exit_helper, (LPVOID)errorMessage, 0, NULL))
1985 {
1986 WaitForSingleObject(hThread, INFINITE);
1987 }
1988 else
1989 {
1990 fatal_exit_helper((LPVOID)errorMessage);
1991 }
1992
1993 for(;;)
1994 {
1995 TerminateProcess(GetCurrentProcess(), 666);
1996 }
1997 }
1998
1999 ///////////////////////////////////////////////////////////////////////////////
MUtilities