MUtilities/src/OSSupport_Win32.cpp
2017-01-06 23:17:56 +01:00

1710 lines
48 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// MuldeR's Utilities for Qt
// Copyright (C) 2004-2017 LoRd_MuldeR <MuldeR2@GMX.de>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
// http://www.gnu.org/licenses/lgpl-2.1.txt
//////////////////////////////////////////////////////////////////////////////////
//Win32 API
#define WIN32_LEAN_AND_MEAN 1
#include <Windows.h>
#include <Psapi.h>
#include <Sensapi.h>
#include <Shellapi.h>
#include <PowrProf.h>
#include <Mmsystem.h>
#pragma warning(push)
#pragma warning(disable:4091) //for MSVC2015
#include <ShlObj.h>
#pragma warning(pop)
//CRT
#include <io.h>
//Internal
#include <MUtils/Global.h>
#include <MUtils/OSSupport.h>
#include <MUtils/GUI.h>
#include "CriticalSection_Win32.h"
#include "Utils_Win32.h"
//Qt
#include <QMap>
#include <QReadWriteLock>
#include <QDir>
#include <QWidget>
#include <QProcess>
//Main thread ID
static const DWORD g_main_thread_id = GetCurrentThreadId();
///////////////////////////////////////////////////////////////////////////////
// SYSTEM MESSAGE
///////////////////////////////////////////////////////////////////////////////
static const UINT g_msgBoxFlags = MB_TOPMOST | MB_TASKMODAL | MB_SETFOREGROUND;
void MUtils::OS::system_message_nfo(const wchar_t *const title, const wchar_t *const text)
{
MessageBoxW(NULL, text, title, g_msgBoxFlags | MB_ICONINFORMATION);
}
void MUtils::OS::system_message_wrn(const wchar_t *const title, const wchar_t *const text)
{
MessageBoxW(NULL, text, title, g_msgBoxFlags | MB_ICONWARNING);
}
void MUtils::OS::system_message_err(const wchar_t *const title, const wchar_t *const text)
{
MessageBoxW(NULL, text, title, g_msgBoxFlags | MB_ICONERROR);
}
///////////////////////////////////////////////////////////////////////////////
// FETCH CLI ARGUMENTS
///////////////////////////////////////////////////////////////////////////////
static QReadWriteLock g_arguments_lock;
static QScopedPointer<MUtils::OS::ArgumentMap> g_arguments_list;
const QStringList MUtils::OS::crack_command_line(const QString &command_line)
{
int nArgs = 0;
LPWSTR *szArglist = CommandLineToArgvW(command_line.isNull() ? GetCommandLineW() : MUTILS_WCHR(command_line), &nArgs);
QStringList command_line_tokens;
if(NULL != szArglist)
{
for(int i = 0; i < nArgs; i++)
{
const QString argStr = MUTILS_QSTR(szArglist[i]).trimmed();
if(!argStr.isEmpty())
{
command_line_tokens << argStr;
}
}
LocalFree(szArglist);
}
return command_line_tokens;
}
const MUtils::OS::ArgumentMap &MUtils::OS::arguments(void)
{
QReadLocker readLock(&g_arguments_lock);
//Already initialized?
if(!g_arguments_list.isNull())
{
return (*(g_arguments_list.data()));
}
readLock.unlock();
QWriteLocker writeLock(&g_arguments_lock);
//Still not initialized?
if(!g_arguments_list.isNull())
{
return (*(g_arguments_list.data()));
}
g_arguments_list.reset(new ArgumentMap());
const QStringList argList = crack_command_line();
if(!argList.isEmpty())
{
const QString argPrefix = QLatin1String("--");
const QChar separator = QLatin1Char('=');
bool firstToken = true;
for(QStringList::ConstIterator iter = argList.constBegin(); iter != argList.constEnd(); iter++)
{
if(firstToken)
{
firstToken = false;
continue; /*skip executable file name*/
}
if(iter->startsWith(argPrefix))
{
const QString argData = iter->mid(2).trimmed();
if(argData.length() > 0)
{
const int separatorIndex = argData.indexOf(separator);
if(separatorIndex > 0)
{
const QString argKey = argData.left(separatorIndex).trimmed();
const QString argVal = argData.mid(separatorIndex + 1).trimmed();
g_arguments_list->insertMulti(argKey.toLower(), argVal);
}
else
{
g_arguments_list->insertMulti(argData.toLower(), QString());
}
}
}
}
}
else if(argList.empty())
{
qWarning("CommandLineToArgvW() has failed !!!");
}
return (*(g_arguments_list.data()));
}
///////////////////////////////////////////////////////////////////////////////
// COPY FILE
///////////////////////////////////////////////////////////////////////////////
typedef struct _progress_callback_data_t
{
MUtils::OS::progress_callback_t callback_function;
void *user_data;
}
progress_callback_data_t;
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)
{
if(const progress_callback_data_t *data = (progress_callback_data_t*) lpData)
{
const double progress = qBound(0.0, double(TotalBytesTransferred.QuadPart) / double(TotalFileSize.QuadPart), 1.0);
return data->callback_function(progress, data->user_data) ? PROGRESS_CONTINUE : PROGRESS_CANCEL;
}
return PROGRESS_CONTINUE;
}
MUTILS_API bool MUtils::OS::copy_file(const QString &sourcePath, const QString &outputPath, const bool &overwrite, const progress_callback_t callback, void *const userData)
{
progress_callback_data_t callback_data = { callback, userData };
BOOL cancel = FALSE;
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));
if(result == FALSE)
{
const DWORD errorCode = GetLastError();
if(errorCode != ERROR_REQUEST_ABORTED)
{
qWarning("CopyFile() failed with error code 0x%08X!", errorCode);
}
else
{
qWarning("CopyFile() operation was abroted by user!");
}
}
return (result != FALSE);
}
///////////////////////////////////////////////////////////////////////////////
// GET FILE VERSION
///////////////////////////////////////////////////////////////////////////////
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)
{
if(!GetFileVersionInfo(MUTILS_WCHR(fileName), 0, size, buffer))
{
qWarning("GetFileVersionInfo() has failed, file version cannot be determined!");
return false;
}
VS_FIXEDFILEINFO *verInfo;
UINT verInfoLen;
if(!VerQueryValue(buffer, L"\\", (LPVOID*)(&verInfo), &verInfoLen))
{
qWarning("VerQueryValue() has failed, file version cannot be determined!");
return false;
}
if(major) *major = quint16((verInfo->dwFileVersionMS >> 16) & 0x0000FFFF);
if(minor) *minor = quint16((verInfo->dwFileVersionMS) & 0x0000FFFF);
if(patch) *patch = quint16((verInfo->dwFileVersionLS >> 16) & 0x0000FFFF);
if(build) *build = quint16((verInfo->dwFileVersionLS) & 0x0000FFFF);
return true;
}
bool MUtils::OS::get_file_version(const QString fileName, quint16 *const major, quint16 *const minor, quint16 *const patch, quint16 *const build)
{
if(major) *major = 0U; if(minor) *minor = 0U;
if(patch) *patch = 0U; if(build) *build = 0U;
const DWORD size = GetFileVersionInfoSize(MUTILS_WCHR(fileName), NULL);
if(size < 1)
{
qWarning("GetFileVersionInfoSize() has failed, file version cannot be determined!");
return false;
}
PVOID buffer = _malloca(size);
if(!buffer)
{
qWarning("Memory allocation has failed!");
return false;
}
const bool success = get_file_version_helper(fileName, buffer, size, major, minor, patch, build);
_freea(buffer);
return success;
}
///////////////////////////////////////////////////////////////////////////////
// OS VERSION DETECTION
///////////////////////////////////////////////////////////////////////////////
static bool g_os_version_initialized = false;
static MUtils::OS::Version::os_version_t g_os_version_info = MUtils::OS::Version::UNKNOWN_OPSYS;
static QReadWriteLock g_os_version_lock;
//Maps marketing names to the actual Windows NT versions
static const struct
{
MUtils::OS::Version::os_version_t version;
const char friendlyName[64];
}
g_os_version_lut[] =
{
{ MUtils::OS::Version::WINDOWS_WIN2K, "Windows 2000" }, //2000
{ MUtils::OS::Version::WINDOWS_WINXP, "Windows XP or Windows XP Media Center Edition" }, //XP
{ MUtils::OS::Version::WINDOWS_XPX64, "Windows Server 2003 or Windows XP x64" }, //XP_x64
{ MUtils::OS::Version::WINDOWS_VISTA, "Windows Vista or Windows Server 2008" }, //Vista
{ MUtils::OS::Version::WINDOWS_WIN70, "Windows 7 or Windows Server 2008 R2" }, //7
{ MUtils::OS::Version::WINDOWS_WIN80, "Windows 8 or Windows Server 2012" }, //8
{ MUtils::OS::Version::WINDOWS_WIN81, "Windows 8.1 or Windows Server 2012 R2" }, //8.1
{ MUtils::OS::Version::WINDOWS_WN100, "Windows 10 or Windows Server 2016" }, //10
{ MUtils::OS::Version::UNKNOWN_OPSYS, "N/A" }
};
//OS version data dtructures
namespace MUtils
{
namespace OS
{
namespace Version
{
//Comparision operators for os_version_t
bool os_version_t::operator== (const os_version_t &rhs) const { return (type == rhs.type) && (versionMajor == rhs.versionMajor) && ((versionMinor == rhs.versionMinor)); }
bool os_version_t::operator!= (const os_version_t &rhs) const { return (type != rhs.type) || (versionMajor != rhs.versionMajor) || ((versionMinor != rhs.versionMinor)); }
bool os_version_t::operator> (const os_version_t &rhs) const { return (type == rhs.type) && ((versionMajor > rhs.versionMajor) || ((versionMajor == rhs.versionMajor) && (versionMinor > rhs.versionMinor))); }
bool os_version_t::operator>= (const os_version_t &rhs) const { return (type == rhs.type) && ((versionMajor > rhs.versionMajor) || ((versionMajor == rhs.versionMajor) && (versionMinor >= rhs.versionMinor))); }
bool os_version_t::operator< (const os_version_t &rhs) const { return (type == rhs.type) && ((versionMajor < rhs.versionMajor) || ((versionMajor == rhs.versionMajor) && (versionMinor < rhs.versionMinor))); }
bool os_version_t::operator<= (const os_version_t &rhs) const { return (type == rhs.type) && ((versionMajor < rhs.versionMajor) || ((versionMajor == rhs.versionMajor) && (versionMinor <= rhs.versionMinor))); }
//Known Windows NT versions
const os_version_t WINDOWS_WIN2K = { OS_WINDOWS, 5, 0, 2195 }; // 2000
const os_version_t WINDOWS_WINXP = { OS_WINDOWS, 5, 1, 2600 }; // XP
const os_version_t WINDOWS_XPX64 = { OS_WINDOWS, 5, 2, 3790 }; // XP_x64
const os_version_t WINDOWS_VISTA = { OS_WINDOWS, 6, 0, 6000 }; // Vista
const os_version_t WINDOWS_WIN70 = { OS_WINDOWS, 6, 1, 7600 }; // 7
const os_version_t WINDOWS_WIN80 = { OS_WINDOWS, 6, 2, 9200 }; // 8
const os_version_t WINDOWS_WIN81 = { OS_WINDOWS, 6, 3, 9600 }; // 8.1
const os_version_t WINDOWS_WN100 = { OS_WINDOWS, 10, 0, 10240 }; // 10
//Unknown OS
const os_version_t UNKNOWN_OPSYS = { OS_UNKNOWN, 0, 0, 0 }; // N/A
}
}
}
static inline DWORD SAFE_ADD(const DWORD &a, const DWORD &b, const DWORD &limit = MAXDWORD)
{
return ((a >= limit) || (b >= limit) || ((limit - a) <= b)) ? limit : (a + b);
}
static void initialize_os_version(OSVERSIONINFOEXW *const osInfo)
{
memset(osInfo, 0, sizeof(OSVERSIONINFOEXW));
osInfo->dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
}
static inline DWORD initialize_step_size(const DWORD &limit)
{
DWORD result = 1;
while (result < limit)
{
result = SAFE_ADD(result, result);
}
return result;
}
static bool rtl_get_version(OSVERSIONINFOEXW *const osInfo)
{
typedef LONG(__stdcall *RtlGetVersion)(LPOSVERSIONINFOEXW);
if (const HMODULE ntdll = GetModuleHandleW(L"ntdll"))
{
if (const RtlGetVersion pRtlGetVersion = (RtlGetVersion)GetProcAddress(ntdll, "RtlGetVersion"))
{
initialize_os_version(osInfo);
if (pRtlGetVersion(osInfo) == 0)
{
return true;
}
}
}
//Fallback
initialize_os_version(osInfo);
return (GetVersionExW((LPOSVERSIONINFOW)osInfo) != FALSE);
}
static bool rtl_verify_version(OSVERSIONINFOEXW *const osInfo, const ULONG typeMask, const ULONGLONG condMask)
{
typedef LONG(__stdcall *RtlVerifyVersionInfo)(LPOSVERSIONINFOEXW, ULONG, ULONGLONG);
if (const HMODULE ntdll = GetModuleHandleW(L"ntdll"))
{
if (const RtlVerifyVersionInfo pRtlVerifyVersionInfo = (RtlVerifyVersionInfo)GetProcAddress(ntdll, "RtlVerifyVersionInfo"))
{
if (pRtlVerifyVersionInfo(osInfo, typeMask, condMask) == 0)
{
return true;
}
}
}
//Fallback
return (VerifyVersionInfoW(osInfo, typeMask, condMask) != FALSE);
}
static bool verify_os_version(const DWORD major, const DWORD minor)
{
OSVERSIONINFOEXW osvi;
DWORDLONG dwlConditionMask = 0;
initialize_os_version(&osvi);
//Initialize the OSVERSIONINFOEX structure
osvi.dwMajorVersion = major;
osvi.dwMinorVersion = minor;
osvi.dwPlatformId = VER_PLATFORM_WIN32_NT;
//Initialize the condition mask
VER_SET_CONDITION(dwlConditionMask, VER_MAJORVERSION, VER_GREATER_EQUAL);
VER_SET_CONDITION(dwlConditionMask, VER_MINORVERSION, VER_GREATER_EQUAL);
VER_SET_CONDITION(dwlConditionMask, VER_PLATFORMID, VER_EQUAL);
// Perform the test
const BOOL ret = rtl_verify_version(&osvi, VER_MAJORVERSION | VER_MINORVERSION | VER_PLATFORMID, dwlConditionMask);
//Error checking
if(!ret)
{
if(GetLastError() != ERROR_OLD_WIN_VERSION)
{
qWarning("VerifyVersionInfo() system call has failed!");
}
}
return (ret != FALSE);
}
static bool verify_os_build(const DWORD build)
{
OSVERSIONINFOEXW osvi;
DWORDLONG dwlConditionMask = 0;
initialize_os_version(&osvi);
//Initialize the OSVERSIONINFOEX structure
osvi.dwBuildNumber = build;
osvi.dwPlatformId = VER_PLATFORM_WIN32_NT;
//Initialize the condition mask
VER_SET_CONDITION(dwlConditionMask, VER_BUILDNUMBER, VER_GREATER_EQUAL);
VER_SET_CONDITION(dwlConditionMask, VER_PLATFORMID, VER_EQUAL);
// Perform the test
const BOOL ret = rtl_verify_version(&osvi, VER_BUILDNUMBER | VER_PLATFORMID, dwlConditionMask);
//Error checking
if (!ret)
{
if (GetLastError() != ERROR_OLD_WIN_VERSION)
{
qWarning("VerifyVersionInfo() system call has failed!");
}
}
return (ret != FALSE);
}
static bool get_real_os_version(unsigned int *major, unsigned int *minor, unsigned int *build, bool *pbOverride)
{
static const DWORD MAX_VERSION = 0xFFFF;
static const DWORD MAX_BUILDNO = MAXINT;
*major = *minor = *build = 0;
*pbOverride = false;
//Initialize local variables
OSVERSIONINFOEXW osvi;
memset(&osvi, 0, sizeof(OSVERSIONINFOEXW));
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
//Try GetVersionEx() first
if(rtl_get_version(&osvi) == FALSE)
{
qWarning("GetVersionEx() has failed, cannot detect Windows version!");
return false;
}
//Make sure we are running on NT
if(osvi.dwPlatformId == VER_PLATFORM_WIN32_NT)
{
*major = osvi.dwMajorVersion;
*minor = osvi.dwMinorVersion;
*build = osvi.dwBuildNumber;
}
else
{
if (verify_os_version(4, 0))
{
*major = 4;
*build = 1381;
*pbOverride = true;
}
else
{
qWarning("Not running on Windows NT, unsupported operating system!");
return false;
}
}
//Major Version
for (DWORD nextMajor = (*major) + 1; nextMajor <= MAX_VERSION; nextMajor++)
{
if (verify_os_version(nextMajor, 0))
{
*major = nextMajor;
*minor = 0;
*pbOverride = true;
continue;
}
break;
}
//Minor Version
for (DWORD nextMinor = (*minor) + 1; nextMinor <= MAX_VERSION; nextMinor++)
{
if (verify_os_version((*major), nextMinor))
{
*minor = nextMinor;
*pbOverride = true;
continue;
}
break;
}
//Build Version
if (verify_os_build(SAFE_ADD((*build), 1, MAX_BUILDNO)))
{
DWORD stepSize = initialize_step_size(MAX_BUILDNO);
for (DWORD nextBuildNo = SAFE_ADD((*build), stepSize, MAX_BUILDNO); (*build) < MAX_BUILDNO; nextBuildNo = SAFE_ADD((*build), stepSize, MAX_BUILDNO))
{
if (verify_os_build(nextBuildNo))
{
*build = nextBuildNo;
*pbOverride = true;
continue;
}
if (stepSize > 1)
{
stepSize = stepSize / 2;
continue;
}
break;
}
}
return true;
}
const MUtils::OS::Version::os_version_t &MUtils::OS::os_version(void)
{
QReadLocker readLock(&g_os_version_lock);
//Already initialized?
if(g_os_version_initialized)
{
return g_os_version_info;
}
readLock.unlock();
QWriteLocker writeLock(&g_os_version_lock);
//Initialized now?
if(g_os_version_initialized)
{
return g_os_version_info;
}
//Detect OS version
unsigned int major, minor, build; bool overrideFlg;
if(get_real_os_version(&major, &minor, &build, &overrideFlg))
{
g_os_version_info.type = Version::OS_WINDOWS;
g_os_version_info.versionMajor = major;
g_os_version_info.versionMinor = minor;
g_os_version_info.versionBuild = build;
g_os_version_info.overrideFlag = overrideFlg;
}
else
{
qWarning("Failed to determin the operating system version!");
}
//Completed
g_os_version_initialized = true;
return g_os_version_info;
}
const char *MUtils::OS::os_friendly_name(const MUtils::OS::Version::os_version_t &os_version)
{
for(size_t i = 0; g_os_version_lut[i].version != MUtils::OS::Version::UNKNOWN_OPSYS; i++)
{
if(os_version == g_os_version_lut[i].version)
{
return g_os_version_lut[i].friendlyName;
}
}
return NULL;
}
///////////////////////////////////////////////////////////////////////////////
// WINE DETECTION
///////////////////////////////////////////////////////////////////////////////
static bool g_wine_deteced = false;
static bool g_wine_initialized = false;
static QReadWriteLock g_wine_lock;
static const bool detect_wine(void)
{
void *const ptr = MUtils::Win32Utils::resolve<void*>(QLatin1String("ntdll"), QLatin1String("wine_get_version"));
return (ptr != NULL);
}
const bool &MUtils::OS::running_on_wine(void)
{
QReadLocker readLock(&g_wine_lock);
//Already initialized?
if(g_wine_initialized)
{
return g_wine_deteced;
}
readLock.unlock();
QWriteLocker writeLock(&g_wine_lock);
//Initialized now?
if(g_wine_initialized)
{
return g_wine_deteced;
}
//Try to detect Wine
g_wine_deteced = detect_wine();
g_wine_initialized = true;
return g_wine_deteced;
}
///////////////////////////////////////////////////////////////////////////////
// KNWON FOLDERS
///////////////////////////////////////////////////////////////////////////////
typedef QMap<size_t, QString> KFMap;
typedef HRESULT (WINAPI *SHGetKnownFolderPath_t)(const GUID &rfid, DWORD dwFlags, HANDLE hToken, PWSTR *ppszPath);
typedef HRESULT (WINAPI *SHGetFolderPath_t) (HWND hwndOwner, int nFolder, HANDLE hToken, DWORD dwFlags, LPWSTR pszPath);
static QScopedPointer<KFMap> g_known_folders_map;
static QReadWriteLock g_known_folders_lock;
const QString &MUtils::OS::known_folder(known_folder_t folder_id)
{
typedef enum { KF_FLAG_CREATE = 0x00008000 } kf_flags_t;
struct
{
const int csidl;
const GUID guid;
}
static s_folders[] =
{
{ 0x001c, {0xF1B32785,0x6FBA,0x4FCF,{0x9D,0x55,0x7B,0x8E,0x7F,0x15,0x70,0x91}} }, //CSIDL_LOCAL_APPDATA
{ 0x0026, {0x905e63b6,0xc1bf,0x494e,{0xb2,0x9c,0x65,0xb7,0x32,0xd3,0xd2,0x1a}} }, //CSIDL_PROGRAM_FILES
{ 0x0024, {0xF38BF404,0x1D43,0x42F2,{0x93,0x05,0x67,0xDE,0x0B,0x28,0xFC,0x23}} }, //CSIDL_WINDOWS_FOLDER
{ 0x0025, {0x1AC14E77,0x02E7,0x4E5D,{0xB7,0x44,0x2E,0xB1,0xAE,0x51,0x98,0xB7}} }, //CSIDL_SYSTEM_FOLDER
};
size_t folderId = size_t(-1);
switch(folder_id)
{
case FOLDER_LOCALAPPDATA: folderId = 0; break;
case FOLDER_PROGRAMFILES: folderId = 1; break;
case FOLDER_SYSTROOT_DIR: folderId = 2; break;
case FOLDER_SYSTEMFOLDER: folderId = 3; break;
}
if(folderId == size_t(-1))
{
qWarning("Invalid 'known' folder was requested!");
return *reinterpret_cast<QString*>(NULL);
}
QReadLocker readLock(&g_known_folders_lock);
//Already in cache?
if(!g_known_folders_map.isNull())
{
if(g_known_folders_map->contains(folderId))
{
return g_known_folders_map->operator[](folderId);
}
}
//Obtain write lock to initialize
readLock.unlock();
QWriteLocker writeLock(&g_known_folders_lock);
//Still not in cache?
if(!g_known_folders_map.isNull())
{
if(g_known_folders_map->contains(folderId))
{
return g_known_folders_map->operator[](folderId);
}
}
//Initialize on first call
if(g_known_folders_map.isNull())
{
g_known_folders_map.reset(new QMap<size_t, QString>());
}
QString folderPath;
//Now try to get the folder path!
if(const SHGetKnownFolderPath_t known_folders_fpGetKnownFolderPath = MUtils::Win32Utils::resolve<SHGetKnownFolderPath_t>(QLatin1String("shell32"), QLatin1String("SHGetKnownFolderPath")))
{
WCHAR *path = NULL;
if(known_folders_fpGetKnownFolderPath(s_folders[folderId].guid, KF_FLAG_CREATE, NULL, &path) == S_OK)
{
//MessageBoxW(0, path, L"SHGetKnownFolderPath", MB_TOPMOST);
QDir folderTemp = QDir(QDir::fromNativeSeparators(MUTILS_QSTR(path)));
if(folderTemp.exists())
{
folderPath = folderTemp.canonicalPath();
}
CoTaskMemFree(path);
}
}
else if(const SHGetFolderPath_t known_folders_fpGetFolderPath = MUtils::Win32Utils::resolve<SHGetFolderPath_t>(QLatin1String("shell32"), QLatin1String("SHGetFolderPathW")))
{
QScopedArrayPointer<WCHAR> path(new WCHAR[4096]);
if(known_folders_fpGetFolderPath(NULL, s_folders[folderId].csidl | CSIDL_FLAG_CREATE, NULL, NULL, path.data()) == S_OK)
{
//MessageBoxW(0, path, L"SHGetFolderPathW", MB_TOPMOST);
QDir folderTemp = QDir(QDir::fromNativeSeparators(MUTILS_QSTR(path.data())));
if(folderTemp.exists())
{
folderPath = folderTemp.canonicalPath();
}
}
}
//Update cache
g_known_folders_map->insert(folderId, folderPath);
return g_known_folders_map->operator[](folderId);
}
///////////////////////////////////////////////////////////////////////////////
// CURRENT DATA & TIME
///////////////////////////////////////////////////////////////////////////////
QDate MUtils::OS::current_date(void)
{
const DWORD MAX_PROC = 1024;
QScopedArrayPointer<DWORD> processes(new DWORD[MAX_PROC]);
DWORD bytesReturned = 0;
if(!EnumProcesses(processes.data(), sizeof(DWORD) * MAX_PROC, &bytesReturned))
{
return QDate::currentDate();
}
const DWORD procCount = bytesReturned / sizeof(DWORD);
ULARGE_INTEGER lastStartTime;
memset(&lastStartTime, 0, sizeof(ULARGE_INTEGER));
for(DWORD i = 0; i < procCount; i++)
{
if(HANDLE hProc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, processes[i]))
{
FILETIME processTime[4];
if(GetProcessTimes(hProc, &processTime[0], &processTime[1], &processTime[2], &processTime[3]))
{
ULARGE_INTEGER timeCreation;
timeCreation.LowPart = processTime[0].dwLowDateTime;
timeCreation.HighPart = processTime[0].dwHighDateTime;
if(timeCreation.QuadPart > lastStartTime.QuadPart)
{
lastStartTime.QuadPart = timeCreation.QuadPart;
}
}
CloseHandle(hProc);
}
}
FILETIME lastStartTime_fileTime;
lastStartTime_fileTime.dwHighDateTime = lastStartTime.HighPart;
lastStartTime_fileTime.dwLowDateTime = lastStartTime.LowPart;
FILETIME lastStartTime_localTime;
if(!FileTimeToLocalFileTime(&lastStartTime_fileTime, &lastStartTime_localTime))
{
memcpy(&lastStartTime_localTime, &lastStartTime_fileTime, sizeof(FILETIME));
}
SYSTEMTIME lastStartTime_system;
if(!FileTimeToSystemTime(&lastStartTime_localTime, &lastStartTime_system))
{
memset(&lastStartTime_system, 0, sizeof(SYSTEMTIME));
lastStartTime_system.wYear = 1970; lastStartTime_system.wMonth = lastStartTime_system.wDay = 1;
}
const QDate currentDate = QDate::currentDate();
const QDate processDate = QDate(lastStartTime_system.wYear, lastStartTime_system.wMonth, lastStartTime_system.wDay);
return (currentDate >= processDate) ? currentDate : processDate;
}
quint64 MUtils::OS::current_file_time(void)
{
FILETIME fileTime;
GetSystemTimeAsFileTime(&fileTime);
ULARGE_INTEGER temp;
temp.HighPart = fileTime.dwHighDateTime;
temp.LowPart = fileTime.dwLowDateTime;
return temp.QuadPart;
}
///////////////////////////////////////////////////////////////////////////////
// FILE PATH FROM FD
///////////////////////////////////////////////////////////////////////////////
typedef DWORD(_stdcall *GetPathNameByHandleFun)(HANDLE hFile, LPWSTR lpszFilePath, DWORD cchFilePath, DWORD dwFlags);
static QString get_file_path_drive_list(void)
{
QString list;
const DWORD len = GetLogicalDriveStringsW(0, NULL);
if (len > 0)
{
if (wchar_t *const buffer = (wchar_t*) _malloca(sizeof(wchar_t) * len))
{
const DWORD ret = GetLogicalDriveStringsW(len, buffer);
if ((ret > 0) && (ret < len))
{
const wchar_t *ptr = buffer;
while (const size_t current_len = wcslen(ptr))
{
list.append(QChar(*reinterpret_cast<const ushort*>(ptr)));
ptr += (current_len + 1);
}
}
_freea(buffer);
}
}
return list;
}
static void get_file_path_translate(QString &path)
{
static const DWORD BUFSIZE = 2048;
wchar_t buffer[BUFSIZE], drive[3];
const QString driveList = get_file_path_drive_list();
wcscpy_s(drive, 3, L"?:");
for (const wchar_t *current = MUTILS_WCHR(driveList); *current; current++)
{
drive[0] = (*current);
if (QueryDosDeviceW(drive, buffer, MAX_PATH))
{
const QString prefix = MUTILS_QSTR(buffer);
if (path.startsWith(prefix, Qt::CaseInsensitive))
{
path.remove(0, prefix.length()).prepend(QLatin1Char(':')).prepend(QChar(*reinterpret_cast<const ushort*>(current)));
break;
}
}
}
}
static QString get_file_path_fallback(const HANDLE &hFile)
{
QString filePath;
const HANDLE hFileMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 1, NULL);
if (hFileMap)
{
void *const pMem = MapViewOfFile(hFileMap, FILE_MAP_READ, 0, 0, 1);
if (pMem)
{
static const size_t BUFFSIZE = 2048;
wchar_t buffer[BUFFSIZE];
if (GetMappedFileNameW(GetCurrentProcess(), pMem, buffer, BUFFSIZE) > 0)
{
filePath = MUTILS_QSTR(buffer);
}
UnmapViewOfFile(pMem);
}
CloseHandle(hFileMap);
}
if (!filePath.isEmpty())
{
get_file_path_translate(filePath);
}
return filePath;
}
QString MUtils::OS::get_file_path(const int &fd)
{
if (fd >= 0)
{
const GetPathNameByHandleFun getPathNameByHandleFun = MUtils::Win32Utils::resolve<GetPathNameByHandleFun>(QLatin1String("kernel32"), QLatin1String("GetFinalPathNameByHandleW"));
if (!getPathNameByHandleFun)
{
return get_file_path_fallback((HANDLE)_get_osfhandle(fd));
}
const HANDLE handle = (HANDLE) _get_osfhandle(fd);
const DWORD len = getPathNameByHandleFun(handle, NULL, 0, FILE_NAME_OPENED);
if (len > 0)
{
if (wchar_t *const buffer = (wchar_t*)_malloca(sizeof(wchar_t) * len))
{
const DWORD ret = getPathNameByHandleFun(handle, buffer, len, FILE_NAME_OPENED);
if ((ret > 0) && (ret < len))
{
const QString path(MUTILS_QSTR(buffer));
return path.startsWith(QLatin1String("\\\\?\\")) ? path.mid(4) : path;
}
_freea(buffer);
}
}
}
return QString();
}
///////////////////////////////////////////////////////////////////////////////
// PROCESS ELEVATION
///////////////////////////////////////////////////////////////////////////////
static bool user_is_admin_helper(void)
{
HANDLE hToken = NULL;
if(!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken))
{
return false;
}
DWORD dwSize = 0;
if(!GetTokenInformation(hToken, TokenGroups, NULL, 0, &dwSize))
{
if(GetLastError() != ERROR_INSUFFICIENT_BUFFER)
{
CloseHandle(hToken);
return false;
}
}
PTOKEN_GROUPS lpGroups = (PTOKEN_GROUPS) malloc(dwSize);
if(!lpGroups)
{
CloseHandle(hToken);
return false;
}
if(!GetTokenInformation(hToken, TokenGroups, lpGroups, dwSize, &dwSize))
{
free(lpGroups);
CloseHandle(hToken);
return false;
}
PSID lpSid = NULL; SID_IDENTIFIER_AUTHORITY Authority = {SECURITY_NT_AUTHORITY};
if(!AllocateAndInitializeSid(&Authority, 2, SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_ALIAS_RID_ADMINS, 0, 0, 0, 0, 0, 0, &lpSid))
{
free(lpGroups);
CloseHandle(hToken);
return false;
}
bool bResult = false;
for(DWORD i = 0; i < lpGroups->GroupCount; i++)
{
if(EqualSid(lpSid, lpGroups->Groups[i].Sid))
{
bResult = true;
break;
}
}
FreeSid(lpSid);
free(lpGroups);
CloseHandle(hToken);
return bResult;
}
bool MUtils::OS::is_elevated(bool *bIsUacEnabled)
{
if(bIsUacEnabled)
{
*bIsUacEnabled = false;
}
bool bIsProcessElevated = false;
HANDLE hToken = NULL;
if(OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken))
{
TOKEN_ELEVATION_TYPE tokenElevationType;
DWORD returnLength;
if(GetTokenInformation(hToken, TokenElevationType, &tokenElevationType, sizeof(TOKEN_ELEVATION_TYPE), &returnLength))
{
if(returnLength == sizeof(TOKEN_ELEVATION_TYPE))
{
switch(tokenElevationType)
{
case TokenElevationTypeDefault:
qDebug("Process token elevation type: Default -> UAC is disabled.\n");
break;
case TokenElevationTypeFull:
qWarning("Process token elevation type: Full -> potential security risk!\n");
bIsProcessElevated = true;
if(bIsUacEnabled) *bIsUacEnabled = true;
break;
case TokenElevationTypeLimited:
qDebug("Process token elevation type: Limited -> not elevated.\n");
if(bIsUacEnabled) *bIsUacEnabled = true;
break;
default:
qWarning("Unknown tokenElevationType value: %d", tokenElevationType);
break;
}
}
else
{
qWarning("GetTokenInformation() return an unexpected size!");
}
}
CloseHandle(hToken);
}
else
{
qWarning("Failed to open process token!");
}
return bIsProcessElevated;
}
bool MUtils::OS::user_is_admin(void)
{
bool isAdmin = false;
//Check for process elevation and UAC support first!
if(MUtils::OS::is_elevated(&isAdmin))
{
qWarning("Process is elevated -> user is admin!");
return true;
}
//If not elevated and UAC is not available -> user must be in admin group!
if(!isAdmin)
{
qDebug("UAC is disabled/unavailable -> checking for Administrators group");
isAdmin = user_is_admin_helper();
}
return isAdmin;
}
///////////////////////////////////////////////////////////////////////////////
// NETWORK STATE
///////////////////////////////////////////////////////////////////////////////
int MUtils::OS::network_status(void)
{
DWORD dwFlags;
const BOOL ret = IsNetworkAlive(&dwFlags);
if(GetLastError() == 0)
{
return (ret != FALSE) ? NETWORK_TYPE_YES : NETWORK_TYPE_NON;
}
return NETWORK_TYPE_ERR;
}
///////////////////////////////////////////////////////////////////////////////
// MESSAGE HANDLER
///////////////////////////////////////////////////////////////////////////////
bool MUtils::OS::handle_os_message(const void *const message, long *result)
{
const MSG *const msg = reinterpret_cast<const MSG*>(message);
switch(msg->message)
{
case WM_QUERYENDSESSION:
qWarning("WM_QUERYENDSESSION message received!");
*result = MUtils::GUI::broadcast(MUtils::GUI::USER_EVENT_QUERYENDSESSION, false) ? TRUE : FALSE;
return true;
case WM_ENDSESSION:
qWarning("WM_ENDSESSION message received!");
if(msg->wParam == TRUE)
{
MUtils::GUI::broadcast(MUtils::GUI::USER_EVENT_ENDSESSION, false);
MUtils::GUI::force_quit();
exit(1);
}
*result = 0;
return true;
default:
/*ignore this message and let Qt handle it*/
return false;
}
}
///////////////////////////////////////////////////////////////////////////////
// SLEEP
///////////////////////////////////////////////////////////////////////////////
void MUtils::OS::sleep_ms(const size_t &duration)
{
Sleep((DWORD) duration);
}
///////////////////////////////////////////////////////////////////////////////
// EXECUTABLE CHECK
///////////////////////////////////////////////////////////////////////////////
static int g_library_as_image_resource_supported = -1;
static QReadWriteLock g_library_as_image_resource_supported_lock;
static bool library_as_image_resource_supported()
{
QReadLocker readLocker(&g_library_as_image_resource_supported_lock);
if (g_library_as_image_resource_supported >= 0)
{
return (g_library_as_image_resource_supported > 0);
}
readLocker.unlock();
QWriteLocker writeLocker(&g_library_as_image_resource_supported_lock);
if (g_library_as_image_resource_supported < 0)
{
g_library_as_image_resource_supported = 0;
OSVERSIONINFOEXW osvi;
if (rtl_get_version(&osvi))
{
if ((osvi.dwPlatformId == VER_PLATFORM_WIN32_NT) && (osvi.dwMajorVersion >= 6U))
{
g_library_as_image_resource_supported = 1;
}
}
}
return (g_library_as_image_resource_supported > 0);
}
bool MUtils::OS::is_executable_file(const QString &path)
{
DWORD binaryType;
if(GetBinaryType(MUTILS_WCHR(QDir::toNativeSeparators(path)), &binaryType))
{
return ((binaryType == SCS_32BIT_BINARY) || (binaryType == SCS_64BIT_BINARY));
}
const DWORD errorCode = GetLastError();
qWarning("GetBinaryType() failed with error: 0x%08X", errorCode);
return false;
}
bool MUtils::OS::is_library_file(const QString &path)
{
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);
if (const HMODULE hMod = LoadLibraryEx(MUTILS_WCHR(QDir::toNativeSeparators(path)), NULL, flags))
{
FreeLibrary(hMod);
return true;
}
const DWORD errorCode = GetLastError();
qWarning("LoadLibraryEx() failed with error: 0x%08X", errorCode);
return false;
}
///////////////////////////////////////////////////////////////////////////////
// HIBERNATION / SHUTDOWN
///////////////////////////////////////////////////////////////////////////////
bool MUtils::OS::is_hibernation_supported(void)
{
bool hibernationSupported = false;
SYSTEM_POWER_CAPABILITIES pwrCaps;
SecureZeroMemory(&pwrCaps, sizeof(SYSTEM_POWER_CAPABILITIES));
if(GetPwrCapabilities(&pwrCaps))
{
hibernationSupported = pwrCaps.SystemS4 && pwrCaps.HiberFilePresent;
}
return hibernationSupported;
}
bool MUtils::OS::shutdown_computer(const QString &message, const unsigned long timeout, const bool forceShutdown, const bool hibernate)
{
HANDLE hToken = NULL;
if(OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken))
{
TOKEN_PRIVILEGES privileges;
memset(&privileges, 0, sizeof(TOKEN_PRIVILEGES));
privileges.PrivilegeCount = 1;
privileges.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
if(LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME, &privileges.Privileges[0].Luid))
{
if(AdjustTokenPrivileges(hToken, FALSE, &privileges, NULL, NULL, NULL))
{
if(hibernate)
{
if(SetSuspendState(TRUE, TRUE, TRUE))
{
return true;
}
}
const DWORD reason = SHTDN_REASON_MAJOR_APPLICATION | SHTDN_REASON_FLAG_PLANNED;
return InitiateSystemShutdownEx(NULL, const_cast<wchar_t*>(MUTILS_WCHR(message)), timeout, forceShutdown ? TRUE : FALSE, FALSE, reason);
}
}
}
return false;
}
///////////////////////////////////////////////////////////////////////////////
// FREE DISKSPACE
///////////////////////////////////////////////////////////////////////////////
bool MUtils::OS::free_diskspace(const QString &path, quint64 &freeSpace)
{
ULARGE_INTEGER freeBytesAvailable, totalNumberOfBytes, totalNumberOfFreeBytes;
if(GetDiskFreeSpaceExW(reinterpret_cast<const wchar_t*>(QDir::toNativeSeparators(path).utf16()), &freeBytesAvailable, &totalNumberOfBytes, &totalNumberOfFreeBytes))
{
freeSpace = freeBytesAvailable.QuadPart;
return true;;
}
freeSpace = -1;
return false;
}
///////////////////////////////////////////////////////////////////////////////
// SHELL OPEN
///////////////////////////////////////////////////////////////////////////////
bool MUtils::OS::shell_open(const QWidget *parent, const QString &url, const QString &parameters, const QString &directory, const bool explore)
{
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;
}
bool MUtils::OS::shell_open(const QWidget *parent, const QString &url, const bool explore)
{
return shell_open(parent, url, QString(), QString(), explore);
}
///////////////////////////////////////////////////////////////////////////////
// OPEN MEDIA FILE
///////////////////////////////////////////////////////////////////////////////
bool MUtils::OS::open_media_file(const QString &mediaFilePath)
{
const static wchar_t *registryPrefix[2] = { L"SOFTWARE\\", L"SOFTWARE\\Wow6432Node\\" };
const static wchar_t *registryKeys[3] =
{
L"Microsoft\\Windows\\CurrentVersion\\Uninstall\\{97D341C8-B0D1-4E4A-A49A-C30B52F168E9}",
L"Microsoft\\Windows\\CurrentVersion\\Uninstall\\{DB9E4EAB-2717-499F-8D56-4CC8A644AB60}",
L"foobar2000"
};
const static wchar_t *appNames[4] = { L"smplayer_portable.exe", L"smplayer.exe", L"MPUI.exe", L"foobar2000.exe" };
const static wchar_t *valueNames[2] = { L"InstallLocation", L"InstallDir" };
for(size_t i = 0; i < 3; i++)
{
for(size_t j = 0; j < 2; j++)
{
QString mplayerPath;
HKEY registryKeyHandle = NULL;
const QString currentKey = MUTILS_QSTR(registryPrefix[j]).append(MUTILS_QSTR(registryKeys[i]));
if(RegOpenKeyExW(HKEY_LOCAL_MACHINE, MUTILS_WCHR(currentKey), 0, KEY_READ, &registryKeyHandle) == ERROR_SUCCESS)
{
for(size_t k = 0; k < 2; k++)
{
wchar_t Buffer[4096];
DWORD BuffSize = sizeof(wchar_t*) * 4096;
DWORD DataType = REG_NONE;
if(RegQueryValueExW(registryKeyHandle, valueNames[k], 0, &DataType, reinterpret_cast<BYTE*>(Buffer), &BuffSize) == ERROR_SUCCESS)
{
if((DataType == REG_SZ) || (DataType == REG_EXPAND_SZ) || (DataType == REG_LINK))
{
mplayerPath = MUTILS_QSTR(Buffer);
break;
}
}
}
RegCloseKey(registryKeyHandle);
}
if(!mplayerPath.isEmpty())
{
QDir mplayerDir(mplayerPath);
if(mplayerDir.exists())
{
for(size_t k = 0; k < 4; k++)
{
if(mplayerDir.exists(MUTILS_QSTR(appNames[k])))
{
qDebug("Player found at:\n%s\n", MUTILS_UTF8(mplayerDir.absoluteFilePath(MUTILS_QSTR(appNames[k]))));
QProcess::startDetached(mplayerDir.absoluteFilePath(MUTILS_QSTR(appNames[k])), QStringList() << QDir::toNativeSeparators(mediaFilePath));
return true;
}
}
}
}
}
}
return false;
}
///////////////////////////////////////////////////////////////////////////////
// DEBUGGER CHECK
///////////////////////////////////////////////////////////////////////////////
static bool change_process_priority_helper(const HANDLE hProcess, const int priority)
{
bool ok = false;
switch(qBound(-2, priority, 2))
{
case 2:
ok = (SetPriorityClass(hProcess, HIGH_PRIORITY_CLASS) == TRUE);
break;
case 1:
if(!(ok = (SetPriorityClass(hProcess, ABOVE_NORMAL_PRIORITY_CLASS) == TRUE)))
{
ok = (SetPriorityClass(hProcess, HIGH_PRIORITY_CLASS) == TRUE);
}
break;
case 0:
ok = (SetPriorityClass(hProcess, NORMAL_PRIORITY_CLASS) == TRUE);
break;
case -1:
if(!(ok = (SetPriorityClass(hProcess, BELOW_NORMAL_PRIORITY_CLASS) == TRUE)))
{
ok = (SetPriorityClass(hProcess, IDLE_PRIORITY_CLASS) == TRUE);
}
break;
case -2:
ok = (SetPriorityClass(hProcess, IDLE_PRIORITY_CLASS) == TRUE);
break;
}
return ok;
}
bool MUtils::OS::change_process_priority(const int priority)
{
return change_process_priority_helper(GetCurrentProcess(), priority);
}
bool MUtils::OS::change_process_priority(const QProcess *proc, const int priority)
{
if(Q_PID qPid = proc->pid())
{
return change_process_priority_helper(qPid->hProcess, priority);
}
else
{
return false;
}
}
///////////////////////////////////////////////////////////////////////////////
// PROCESS ID
///////////////////////////////////////////////////////////////////////////////
quint32 MUtils::OS::process_id(void)
{
return GetCurrentProcessId();
}
quint32 MUtils::OS::process_id(const QProcess *const proc)
{
PROCESS_INFORMATION *procInf = proc->pid();
return (procInf) ? procInf->dwProcessId : 0;
}
quint32 MUtils::OS::thread_id(void)
{
return GetCurrentThreadId();
}
quint32 MUtils::OS::thread_id(const QProcess *const proc)
{
PROCESS_INFORMATION *procInf = proc->pid();
return (procInf) ? procInf->dwThreadId : 0;
}
///////////////////////////////////////////////////////////////////////////////
// PROCESS SUSPEND/RESUME
///////////////////////////////////////////////////////////////////////////////
bool MUtils::OS::suspend_process(const QProcess *proc, const bool suspend)
{
if(Q_PID pid = proc->pid())
{
if(suspend)
{
return (SuspendThread(pid->hThread) != ((DWORD) -1));
}
else
{
return (ResumeThread(pid->hThread) != ((DWORD) -1));
}
}
else
{
return false;
}
}
///////////////////////////////////////////////////////////////////////////////
// SYSTEM TIMER
///////////////////////////////////////////////////////////////////////////////
bool MUtils::OS::setup_timer_resolution(const quint32 &interval)
{
return timeBeginPeriod(interval) == TIMERR_NOERROR;
}
bool MUtils::OS::reset_timer_resolution(const quint32 &interval)
{
return timeEndPeriod(interval) == TIMERR_NOERROR;
}
///////////////////////////////////////////////////////////////////////////////
// SET FILE TIME
///////////////////////////////////////////////////////////////////////////////
static QScopedPointer<QDateTime> s_epoch;
static QReadWriteLock s_epochLock;
static const QDateTime *get_epoch(void)
{
QReadLocker rdLock(&s_epochLock);
if (s_epoch.isNull())
{
rdLock.unlock();
QWriteLocker wrLock(&s_epochLock);
if (s_epoch.isNull())
{
s_epoch.reset(new QDateTime(QDate(1601, 1, 1), QTime(0, 0, 0, 0), Qt::UTC));
}
wrLock.unlock();
rdLock.relock();
}
return s_epoch.data();
}
static FILETIME *qt_time_to_file_time(FILETIME *const fileTime, const QDateTime &dateTime)
{
memset(fileTime, 0, sizeof(FILETIME));
if (const QDateTime *const epoch = get_epoch())
{
const qint64 msecs = epoch->msecsTo(dateTime);
if (msecs > 0)
{
const quint64 ticks = 10000U * quint64(msecs);
fileTime->dwHighDateTime = ((ticks >> 32) & 0xFFFFFFFF);
fileTime->dwLowDateTime = (ticks & 0xFFFFFFFF);
return fileTime;
}
}
return NULL;
}
static bool set_file_time(const HANDLE hFile, const QDateTime &created, const QDateTime &lastMod, const QDateTime &lastAcc)
{
FILETIME ftCreated, ftLastMod, ftLastAcc;
FILETIME *const pCreated = created.isValid() ? qt_time_to_file_time(&ftCreated, created) : NULL;
FILETIME *const pLastMod = lastMod.isValid() ? qt_time_to_file_time(&ftLastMod, lastMod) : NULL;
FILETIME *const pLastAcc = lastAcc.isValid() ? qt_time_to_file_time(&ftLastAcc, lastAcc) : NULL;
if (pCreated || pLastMod || pLastAcc)
{
return (SetFileTime(hFile, pCreated, pLastAcc, pLastMod) != FALSE);
}
return false;
}
bool MUtils::OS::set_file_time(const QFile &file, const QDateTime &created, const QDateTime &lastMod, const QDateTime &lastAcc)
{
const int fd = file.handle();
if (fd >= 0)
{
return set_file_time((HANDLE)_get_osfhandle(fd), created, lastMod, lastAcc);
}
return false;
}
bool MUtils::OS::set_file_time(const QString &path, const QDateTime &created, const QDateTime &lastMod, const QDateTime &lastAcc)
{
const HANDLE hFile = CreateFileW(MUTILS_WCHR(path), FILE_WRITE_ATTRIBUTES, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0);
bool okay = false;
if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE))
{
okay = set_file_time(hFile, created, lastMod, lastAcc);
CloseHandle(hFile);
}
return okay;
}
///////////////////////////////////////////////////////////////////////////////
// CHECK KEY STATE
///////////////////////////////////////////////////////////////////////////////
bool MUtils::OS::check_key_state_esc(void)
{
return (GetAsyncKeyState(VK_ESCAPE) & 0x0001) != 0;
}
///////////////////////////////////////////////////////////////////////////////
// SHELL CHANGE NOTIFICATION
///////////////////////////////////////////////////////////////////////////////
void MUtils::OS::shell_change_notification(void)
{
SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST, NULL, NULL);
}
///////////////////////////////////////////////////////////////////////////////
// WOW64 REDIRECTION
///////////////////////////////////////////////////////////////////////////////
typedef BOOL (_stdcall *Wow64DisableWow64FsRedirectionFun)(void *OldValue);
typedef BOOL (_stdcall *Wow64RevertWow64FsRedirectionFun )(void *OldValue);
bool MUtils::OS::wow64fsredir_disable(void *oldValue)
{
const Wow64DisableWow64FsRedirectionFun wow64redir_disable = MUtils::Win32Utils::resolve<Wow64DisableWow64FsRedirectionFun>(QLatin1String("kernel32"), QLatin1String("Wow64DisableWow64FsRedirection"));
if(wow64redir_disable)
{
if (wow64redir_disable(oldValue))
{
return true;
}
}
return false;
}
bool MUtils::OS::wow64fsredir_revert(void *oldValue)
{
const Wow64RevertWow64FsRedirectionFun wow64redir_disable = MUtils::Win32Utils::resolve<Wow64RevertWow64FsRedirectionFun>(QLatin1String("kernel32"), QLatin1String("Wow64RevertWow64FsRedirection"));
if (wow64redir_disable)
{
if (wow64redir_disable(oldValue))
{
return true;
}
}
return false;
}
///////////////////////////////////////////////////////////////////////////////
// DEBUGGER CHECK
///////////////////////////////////////////////////////////////////////////////
QString MUtils::OS::get_envvar(const QString &name)
{
wchar_t *buffer = NULL;
size_t requiredSize = 0, buffSize = 0;
QString result;
forever
{
//Adjust the buffer size as required first!
if (buffSize < requiredSize)
{
if (buffer)
{
_freea(buffer);
}
if (!(buffer = (wchar_t*)_malloca(sizeof(wchar_t) * requiredSize)))
{
break; /*out of memory error!*/
}
buffSize = requiredSize;
}
//Try to fetch the environment variable now
const errno_t error = _wgetenv_s(&requiredSize, buffer, buffSize, MUTILS_WCHR(name));
if(!error)
{
if (requiredSize > 0)
{
result = MUTILS_QSTR(buffer);
}
break; /*done*/
}
else if (error != ERANGE)
{
break; /*somethging else went wrong!*/
}
}
if (buffer)
{
_freea(buffer);
buffSize = 0;
buffer = NULL;
}
return result;
}
bool MUtils::OS::set_envvar(const QString &name, const QString &value)
{
if (!_wputenv_s(MUTILS_WCHR(name), MUTILS_WCHR(value)))
{
return true;
}
return false;
}
///////////////////////////////////////////////////////////////////////////////
// DEBUGGER CHECK
///////////////////////////////////////////////////////////////////////////////
#if (!(MUTILS_DEBUG))
static __forceinline bool is_debugger_present(void)
{
__try
{
CloseHandle((HANDLE)((DWORD_PTR)-3));
}
__except(1)
{
return true;
}
BOOL bHaveDebugger = FALSE;
if(CheckRemoteDebuggerPresent(GetCurrentProcess(), &bHaveDebugger))
{
if(bHaveDebugger) return true;
}
return IsDebuggerPresent();
}
static __forceinline bool check_debugger_helper(void)
{
if(is_debugger_present())
{
MUtils::OS::fatal_exit(L"Not a debug build. Please unload debugger and try again!");
return true;
}
return false;
}
#else
#define check_debugger_helper() (false)
#endif
void MUtils::OS::check_debugger(void)
{
check_debugger_helper();
}
static volatile bool g_debug_check = check_debugger_helper();
///////////////////////////////////////////////////////////////////////////////
// FATAL EXIT
///////////////////////////////////////////////////////////////////////////////
static MUtils::Internal::CriticalSection g_fatal_exit_lock;
static volatile bool g_fatal_exit_flag = true;
static DWORD WINAPI fatal_exit_helper(LPVOID lpParameter)
{
MUtils::OS::system_message_err(L"GURU MEDITATION", (LPWSTR) lpParameter);
return 0;
}
void MUtils::OS::fatal_exit(const wchar_t* const errorMessage)
{
g_fatal_exit_lock.enter();
if(!g_fatal_exit_flag)
{
return; /*prevent recursive invocation*/
}
g_fatal_exit_flag = false;
if(g_main_thread_id != GetCurrentThreadId())
{
if(HANDLE hThreadMain = OpenThread(THREAD_SUSPEND_RESUME, FALSE, g_main_thread_id))
{
SuspendThread(hThreadMain); /*stop main thread*/
}
}
if(HANDLE hThread = CreateThread(NULL, 0, fatal_exit_helper, (LPVOID) errorMessage, 0, NULL))
{
WaitForSingleObject(hThread, INFINITE);
}
for(;;)
{
TerminateProcess(GetCurrentProcess(), 666);
}
}
///////////////////////////////////////////////////////////////////////////////