misc.cpp File Reference

#include "rapps.h"
#include "misc.h"

Include dependency graph for misc.cpp:

Go to the source code of this file.

Functions
EXTERN_C NTSTATUS WINAPI	NtQueryObject (HANDLE, OBJECT_INFORMATION_CLASS, PVOID, ULONG, PULONG)
UINT	ErrorBox (HWND hOwner, UINT Error)
VOID	CopyTextToClipboard (LPCWSTR lpszText)
static INT_PTR CALLBACK	NothingDlgProc (HWND hDlg, UINT uMsg, WPARAM, LPARAM)
VOID	EmulateDialogReposition (HWND hwnd)
VOID	ShowPopupMenuEx (HWND hwnd, HWND hwndOwner, UINT MenuID, UINT DefaultItem, POINT *Point)
BOOL	IsZipFile (PCWSTR Path)
UINT	ClassifyFile (PCWSTR Path)
BOOL	OpensWithExplorer (PCWSTR Path)
BOOL	StartProcess (const CStringW &Path, BOOL Wait)
BOOL	GetStorageDirectory (CStringW &Directory)
VOID	InitLogs ()
VOID	FreeLogs ()
BOOL	WriteLogMessage (WORD wType, DWORD dwEventID, LPCWSTR lpMsg)
BOOL	GetInstalledVersion_WowUser (CStringW *szVersionResult, const CStringW &szRegName, BOOL IsUserKey, REGSAM keyWow)
BOOL	GetInstalledVersion (CStringW *pszVersion, const CStringW &szRegName)
BOOL	IsSystem64Bit ()
ULONG	GetNTVersion ()
INT	GetSystemColorDepth ()
void	UnixTimeToFileTime (DWORD dwUnixTime, LPFILETIME pFileTime)
static BOOL	IsSameRegKey (HKEY hKey1, HKEY hKey2)
BOOL	IsSameRegKey (HKEY hRoot, LPCWSTR Path1, REGSAM Sam1, LPCWSTR Path2, REGSAM Sam2)
HRESULT	RegKeyHasValues (HKEY hKey, LPCWSTR Path, REGSAM wowsam)
LPCWSTR	GetRegString (CRegKey &Key, LPCWSTR Name, CStringW &Value)
bool	ExpandEnvStrings (CStringW &Str)
BOOL	SearchPatternMatch (LPCWSTR szHaystack, LPCWSTR szNeedle)
BOOL	DeleteDirectoryTree (LPCWSTR Dir, HWND hwnd)
UINT	CreateDirectoryTree (LPCWSTR Dir)
CStringW	SplitFileAndDirectory (LPCWSTR FullPath, CStringW *pDir)
HRESULT	GetSpecialPath (UINT csidl, CStringW &Path, HWND hwnd)
HRESULT	GetKnownPath (REFKNOWNFOLDERID kfid, CStringW &Path, DWORD Flags)
HRESULT	GetProgramFilesPath (CStringW &Path, BOOL PerUser, HWND hwnd)
static BOOL	ReadAt (HANDLE Handle, UINT Offset, LPVOID Buffer, UINT Size)
InstallerType	GuessInstallerType (LPCWSTR Installer, UINT &ExtraInfo)
BOOL	GetSilentInstallParameters (InstallerType InstallerType, UINT ExtraInfo, LPCWSTR Installer, CStringW &Parameters)

Variables
static HANDLE	hLog = NULL

Function Documentation

ClassifyFile()

UINT ClassifyFile

(

PCWSTR

Path

)

Definition at line 127 of file misc.cpp.

{
    const UINT share = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE;
    HANDLE hFile = CreateFileW(Path, GENERIC_READ, share, NULL, OPEN_EXISTING, 0, NULL);
    if (hFile != INVALID_HANDLE_VALUE)
    {
        BYTE buf[8];
        DWORD io;
        if (!ReadFile(hFile, buf, sizeof(buf), &io, NULL) || io != sizeof(buf))
            buf[0] = 0;
        CloseHandle(hFile);
 
        if (buf[0] == 0xD0 && buf[1] == 0xCF && buf[2] == 0x11 && buf[3] == 0xE0 &&
            buf[4] == 0xA1 && buf[5] == 0xB1 && buf[6] == 0x1A && buf[7] == 0xE1)
        {
            return MAKEWORD('M', PERCEIVED_TYPE_APPLICATION); // MSI
        }
        if (buf[0] == 'M' || buf[0] == 'Z')
        {
            SHFILEINFO shfi;
            if (SHGetFileInfoW(Path, 0, &shfi, sizeof(shfi), SHGFI_EXETYPE))
                return MAKEWORD('E', PERCEIVED_TYPE_APPLICATION);
        }
        if (buf[0] == 'M' && buf[1] == 'S' && buf[2] == 'C' && buf[3] == 'F')
        {
            return MAKEWORD('C', PERCEIVED_TYPE_COMPRESSED); // CAB
        }
    }
 
    if (IsZipFile(Path)) // .zip last because we want to return SFX.exe with higher priority
    {
        return MAKEWORD('Z', PERCEIVED_TYPE_COMPRESSED);
    }
    return PERCEIVED_TYPE_UNKNOWN;
}

Referenced by ExtractArchive(), and CDownloadManager::PerformDownloadAndInstall().

CopyTextToClipboard()

VOID CopyTextToClipboard

(

LPCWSTR

lpszText

)

Definition at line 30 of file misc.cpp.

{
    if (!OpenClipboard(NULL))
    {
        return;
    }
 
    HRESULT hr;
    HGLOBAL ClipBuffer;
    LPWSTR Buffer;
    DWORD cchBuffer;
 
    EmptyClipboard();
    cchBuffer = wcslen(lpszText) + 1;
    ClipBuffer = GlobalAlloc(GMEM_DDESHARE, cchBuffer * sizeof(WCHAR));
 
    Buffer = (PWCHAR)GlobalLock(ClipBuffer);
    hr = StringCchCopyW(Buffer, cchBuffer, lpszText);
    GlobalUnlock(ClipBuffer);
 
    if (SUCCEEDED(hr))
        SetClipboardData(CF_UNICODETEXT, ClipBuffer);
 
    CloseClipboard();
}

Referenced by CAppInfoDisplay::OnCommand().

CreateDirectoryTree()

UINT CreateDirectoryTree

(

LPCWSTR

Dir

)

Definition at line 564 of file misc.cpp.

{
    UINT err = SHCreateDirectory(NULL, Dir);
    return err == ERROR_ALREADY_EXISTS ? 0 : err;
}

Referenced by ExtractAndInstallThread(), ExtractArchiveForExecution(), ExtractFilesFromZip(), and InstallFiles().

DeleteDirectoryTree()

BOOL DeleteDirectoryTree	(	LPCWSTR	Dir,
		HWND	hwnd
	)

Definition at line 551 of file misc.cpp.

{
    CStringW from(Dir);
    UINT cch = from.GetLength();
    from.Append(L"00");
    LPWSTR p = from.GetBuffer();
    p[cch] = p[cch + 1] = L'\0'; // Double null-terminate
    UINT fof = FOF_NOCONFIRMATION | FOF_NOERRORUI | FOF_SILENT;
    SHFILEOPSTRUCT shfos = { hwnd, FO_DELETE, p, NULL, (FILEOP_FLAGS)fof };
    return SHFileOperationW(&shfos);
}

Referenced by ExtractAndInstallThread(), ExtractArchiveForExecution(), CDownloadManager::PerformDownloadAndInstall(), and UninstallThread().

EmulateDialogReposition()

VOID EmulateDialogReposition

(

HWND

hwnd

)

Definition at line 63 of file misc.cpp.

{
    static const DWORD DlgTmpl[] = { WS_POPUP | WS_CAPTION | WS_SYSMENU, 0, 0, 0, 0, 0 };
    HWND hDlg = CreateDialogIndirectW(NULL, (LPDLGTEMPLATE)DlgTmpl, NULL, NothingDlgProc);
    if (hDlg)
    {
        RECT r;
        GetWindowRect(hwnd, &r);
        if (SetWindowPos(hDlg, hDlg, r.left, r.top, r.right - r.left, r.bottom - r.top, SWP_NOZORDER | SWP_NOACTIVATE))
        {
            SendMessage(hDlg, DM_REPOSITION, 0, 0);
            if (GetWindowRect(hDlg, &r))
                SetWindowPos(hwnd, hwnd, r.left, r.top, r.right - r.left, r.bottom - r.top, SWP_NOZORDER | SWP_NOACTIVATE);
        }
        SendMessage(hDlg, WM_CLOSE, 0, 0);
    }
}

Referenced by CMainWindow::ProcessWindowMessage().

ErrorBox()

UINT ErrorBox	(	HWND	hOwner,
		UINT	Error
	)

Definition at line 18 of file misc.cpp.

{
    if (!Error)
        Error = ERROR_INTERNAL_ERROR; // Note: geninst.cpp depends on this
    WCHAR buf[400];
    UINT fmf = FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_FROM_SYSTEM;
    FormatMessageW(fmf, NULL, Error, 0, buf, _countof(buf), NULL);
    MessageBoxW(hOwner, buf, 0, MB_OK | MB_ICONSTOP);
    return Error;
}

ExpandEnvStrings()

bool ExpandEnvStrings

(

CStringW &

Str

)

Definition at line 525 of file misc.cpp.

{
    CStringW buf;
    DWORD cch = ExpandEnvironmentStringsW(Str, NULL, 0);
    if (cch)
    {
        if (ExpandEnvironmentStringsW(Str, buf.GetBuffer(cch), cch) == cch)
        {
            buf.ReleaseBuffer(cch - 1);
            Str = buf;
            return true;
        }
    }
    return false;
}

Referenced by ExtractAndInstallThread().

FreeLogs()

VOID FreeLogs

(

)

Definition at line 312 of file misc.cpp.

{
    if (hLog)
    {
        DeregisterEventSource(hLog);
    }
}

Referenced by CMainWindow::ProcessWindowMessage(), and wmain().

GetInstalledVersion()

BOOL GetInstalledVersion	(	CStringW *	pszVersion,
		const CStringW &	szRegName
	)

Definition at line 374 of file misc.cpp.

{
    return (
        !szRegName.IsEmpty() && (GetInstalledVersion_WowUser(pszVersion, szRegName, TRUE, KEY_WOW64_32KEY) ||
                                 GetInstalledVersion_WowUser(pszVersion, szRegName, FALSE, KEY_WOW64_32KEY) ||
                                 GetInstalledVersion_WowUser(pszVersion, szRegName, TRUE, KEY_WOW64_64KEY) ||
                                 GetInstalledVersion_WowUser(pszVersion, szRegName, FALSE, KEY_WOW64_64KEY)));
}

Referenced by CAvailableApplicationInfo::InsertVersionInfo().

GetInstalledVersion_WowUser()

BOOL GetInstalledVersion_WowUser	(	CStringW *	szVersionResult,
		const CStringW &	szRegName,
		BOOL	IsUserKey,
		REGSAM	keyWow
	)

Definition at line 337 of file misc.cpp.

{
    BOOL bHasSucceded = FALSE;
    ATL::CRegKey key;
    CStringW szVersion;
    CStringW szPath = CStringW(L"Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\") + szRegName;
 
    if (key.Open(IsUserKey ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE, szPath.GetString(), keyWow | KEY_READ) !=
        ERROR_SUCCESS)
    {
        return FALSE;
    }
 
    if (szVersionResult != NULL)
    {
        ULONG dwSize = MAX_PATH * sizeof(WCHAR);
 
        if (key.QueryStringValue(L"DisplayVersion", szVersion.GetBuffer(MAX_PATH), &dwSize) == ERROR_SUCCESS)
        {
            szVersion.ReleaseBuffer();
            *szVersionResult = szVersion;
            bHasSucceded = TRUE;
        }
        else
        {
            szVersion.ReleaseBuffer();
        }
    }
    else
    {
        bHasSucceded = TRUE;
    }
 
    return bHasSucceded;
}

Referenced by GetInstalledVersion().

GetKnownPath()

HRESULT GetKnownPath	(	REFKNOWNFOLDERID	kfid,
		CStringW &	Path,
		DWORD	Flags
	)

Definition at line 592 of file misc.cpp.

{
    PWSTR p;
    FARPROC f = GetProcAddress(LoadLibraryW(L"SHELL32"), "SHGetKnownFolderPath");
    if (!f)
        return HRESULT_FROM_WIN32(ERROR_OLD_WIN_VERSION);
    HRESULT hr = ((HRESULT(WINAPI*)(REFKNOWNFOLDERID,UINT,HANDLE,PWSTR*))f)(kfid, Flags, NULL, &p);
    if (FAILED(hr))
        return hr;
    Path = p;
    CoTaskMemFree(p);
    return hr;
}

Referenced by GetProgramFilesPath().

GetNTVersion()

ULONG GetNTVersion

(

)

Definition at line 397 of file misc.cpp.

{
    RTL_OSVERSIONINFOW osvi = {0};
    osvi.dwOSVersionInfoSize = sizeof(osvi);
    RtlGetVersion(&osvi);
 
    return (osvi.dwMajorVersion << 8) | (osvi.dwMinorVersion);
}

GetProgramFilesPath()

HRESULT GetProgramFilesPath	(	CStringW &	Path,
		BOOL	PerUser,
		HWND	hwnd
	)

Definition at line 607 of file misc.cpp.

{
    if (!PerUser)
        return GetSpecialPath(CSIDL_PROGRAM_FILES, Path, hwnd);
 
    HRESULT hr = GetKnownPath(FOLDERID_UserProgramFiles, Path);
    if (FAILED(hr))
    {
        hr = GetSpecialPath(CSIDL_LOCAL_APPDATA, Path, hwnd);
        // Use the correct path on NT6 (on NT5 the path becomes a bit long)
        if (SUCCEEDED(hr) && LOBYTE(GetVersion()) >= 6)
        {
            Path = BuildPath(Path, L"Programs"); // Should not be localized
        }
    }
    return hr;
}

Referenced by ExtractAndInstallThread().

GetRegString()

LPCWSTR GetRegString	(	CRegKey &	Key,
		LPCWSTR	Name,
		CStringW &	Value
	)

Definition at line 502 of file misc.cpp.

{
    for (;;)
    {
        ULONG cb = 0, cch;
        ULONG err = Key.QueryValue(Name, NULL, NULL, &cb);
        if (err)
            break;
        cch = cb / sizeof(WCHAR);
        LPWSTR p = Value.GetBuffer(cch + 1);
        p[cch] = UNICODE_NULL;
        err = Key.QueryValue(Name, NULL, (BYTE*)p, &cb);
        if (err == ERROR_MORE_DATA)
            continue;
        if (err)
            break;
        Value.ReleaseBuffer();
        return Value.GetString();
    }
    return NULL;
}

Referenced by CRegTreeOptions::AddItemsFromRegistry(), GetLocalizedSMFolderName(), CRegTreeOptions::GetSetState(), and UninstallThread().

GetSilentInstallParameters()

BOOL GetSilentInstallParameters	(	InstallerType	InstallerType,
		UINT	ExtraInfo,
		LPCWSTR	Installer,
		CStringW &	Parameters
	)

Definition at line 712 of file misc.cpp.

{
    switch (InstallerType)
    {
        case INSTALLER_MSI:
        {
            Parameters.Format(L"/i \"%s\" /qn", Installer);
            return TRUE;
        }
 
        case INSTALLER_INNO:
        {
            LPCWSTR pszInnoParams = L"/SILENT /VERYSILENT /SP-";
            if (ExtraInfo)
                Parameters.Format(L"%s", pszInnoParams);
            else
                Parameters.Format(L"%s /SUPPRESSMSGBOXES", pszInnoParams); // https://jrsoftware.org/files/is5.5-whatsnew.htm
            return TRUE;
        }
 
        case INSTALLER_NSIS:
        {
            Parameters = L"/S";
            return TRUE;
        }
 
        default:
        {
            return FALSE;
        }
    }
}

Referenced by CDownloadManager::PerformDownloadAndInstall().

GetSpecialPath()

HRESULT GetSpecialPath	(	UINT	csidl,
		CStringW &	Path,
		HWND	hwnd
	)

Definition at line 583 of file misc.cpp.

{
    if (!SHGetSpecialFolderPathW(hwnd, Path.GetBuffer(MAX_PATH), csidl, TRUE))
        return E_FAIL;
    Path.ReleaseBuffer();
    return S_OK;
}

Referenced by CreateMainShortcut(), and GetProgramFilesPath().

GetStorageDirectory()

BOOL GetStorageDirectory

(

CStringW &

Directory

)

Definition at line 239 of file misc.cpp.

{
    static CStringW CachedDirectory;
    static BOOL CachedDirectoryInitialized = FALSE;
 
    if (!CachedDirectoryInitialized)
    {
        LPWSTR DirectoryStr = CachedDirectory.GetBuffer(MAX_PATH);
        BOOL bHasPath = SHGetSpecialFolderPathW(NULL, DirectoryStr, CSIDL_LOCAL_APPDATA, TRUE);
        if (bHasPath)
        {
            PathAppendW(DirectoryStr, RAPPS_NAME);
        }
        CachedDirectory.ReleaseBuffer();
 
        if (bHasPath)
        {
            if (!CreateDirectoryW(CachedDirectory, NULL) && GetLastError() != ERROR_ALREADY_EXISTS)
            {
                CachedDirectory.Empty();
            }
        }
        else
        {
            CachedDirectory.Empty();
        }
 
        CachedDirectoryInitialized = TRUE;
    }
 
    Directory = CachedDirectory;
    return !Directory.IsEmpty();
}

Referenced by CAppDB::GetDefaultPath(), CDownloadManager::PerformDownloadAndInstall(), and CAppInfoDisplay::ProcessWindowMessage().

GetSystemColorDepth()

INT GetSystemColorDepth

(

)

Definition at line 407 of file misc.cpp.

{
    DEVMODEW pDevMode;
    INT ColorDepth;
 
    pDevMode.dmSize = sizeof(pDevMode);
    pDevMode.dmDriverExtra = 0;
 
    if (!EnumDisplaySettingsW(NULL, ENUM_CURRENT_SETTINGS, &pDevMode))
    {
        /* TODO: Error message */
        return ILC_COLOR;
    }
 
    switch (pDevMode.dmBitsPerPel)
    {
        case 32:
            ColorDepth = ILC_COLOR32;
            break;
        case 24:
            ColorDepth = ILC_COLOR24;
            break;
        case 16:
            ColorDepth = ILC_COLOR16;
            break;
        case 8:
            ColorDepth = ILC_COLOR8;
            break;
        case 4:
            ColorDepth = ILC_COLOR4;
            break;
        default:
            ColorDepth = ILC_COLOR;
            break;
    }
 
    return ColorDepth;
}

Referenced by ApplicationPageWndProc(), CMainToolbar::InitImageList(), and CAppsListView::SetDisplayAppType().

GuessInstallerType()

InstallerType GuessInstallerType	(	LPCWSTR	Installer,
		UINT &	ExtraInfo
	)

Definition at line 635 of file misc.cpp.

{
    ExtraInfo = 0;
    InstallerType it = INSTALLER_UNKNOWN;
 
    HANDLE hFile = CreateFileW(Installer, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_DELETE, NULL, OPEN_EXISTING, 0, NULL);
    if (hFile == INVALID_HANDLE_VALUE)
        return it;
 
    BYTE buf[0x30 + 12];
    if (!ReadAt(hFile, 0, buf, sizeof(buf)))
        goto done;
 
    if (buf[0] == 0xD0 && buf[1] == 0xCF && buf[2] == 0x11 && buf[3] == 0xE0)
    {
        if (!StrCmpIW(L".msi", PathFindExtensionW(Installer)))
        {
            it = INSTALLER_MSI;
            goto done;
        }
    }
 
    if (buf[0] != 'M' || buf[1] != 'Z')
        goto done;
 
    // <= Inno 5.1.4
    {
        UINT sig[3];
        C_ASSERT(sizeof(buf) >= 0x30 + sizeof(sig));
        CopyMemory(sig, buf + 0x30, sizeof(sig));
        if (sig[0] == 0x6F6E6E49 && sig[1] == ~sig[2])
        {
            it = INSTALLER_INNO;
            ExtraInfo = 1;
            goto done;
        }
    }
 
    // NSIS 1.6+
    {
        UINT nsis[1+1+3+1+1], nsisskip = 512;
        for (UINT nsisoffset = nsisskip * 20; nsisoffset < 1024 * 1024 * 50; nsisoffset += nsisskip)
        {
            if (ReadAt(hFile, nsisoffset, nsis, sizeof(nsis)) && nsis[1] == 0xDEADBEEF)
            {
                if (nsis[2] == 0x6C6C754E && nsis[3] == 0x74666F73 && nsis[4] == 0x74736E49)
                {
                    it = INSTALLER_NSIS;
                    goto done;
                }
            }
        }
    }
 
    if (HMODULE hMod = LoadLibraryEx(Installer, NULL, LOAD_LIBRARY_AS_DATAFILE))
    {
        // Inno
        enum { INNORCSETUPLDR = 11111 };
        HGLOBAL hGlob;
        HRSRC hRsrc = FindResourceW(hMod, MAKEINTRESOURCE(INNORCSETUPLDR), RT_RCDATA);
        if (hRsrc && (hGlob = LoadResource(hMod, hRsrc)) != NULL)
        {
            if (BYTE *p = (BYTE*)LockResource(hGlob))
            {
                if (p[0] == 'r' && p[1] == 'D' && p[2] == 'l' && p[3] == 'P' && p[4] == 't' && p[5] == 'S')
                    it = INSTALLER_INNO;
                UnlockResource((void*)p);
            }
        }
        FreeLibrary(hMod);
    }
done:
    CloseHandle(hFile);
    return it;
}

Referenced by CDownloadManager::PerformDownloadAndInstall().

InitLogs()

VOID InitLogs

(

)

Definition at line 274 of file misc.cpp.

{
    if (!SettingsInfo.bLogEnabled)
    {
        return;
    }
 
    WCHAR szPath[MAX_PATH];
    DWORD dwCategoryNum = 1;
    DWORD dwDisp, dwData;
    ATL::CRegKey key;
 
    if (key.Create(
            HKEY_LOCAL_MACHINE,
            L"SYSTEM\\CurrentControlSet\\Services\\EventLog\\Application\\ReactOS Application Manager", REG_NONE,
            REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &dwDisp) != ERROR_SUCCESS)
    {
        return;
    }
 
    if (!GetModuleFileNameW(NULL, szPath, _countof(szPath)))
    {
        return;
    }
 
    dwData = EVENTLOG_ERROR_TYPE | EVENTLOG_WARNING_TYPE | EVENTLOG_INFORMATION_TYPE;
 
    if ((key.SetStringValue(L"EventMessageFile", szPath, REG_EXPAND_SZ) == ERROR_SUCCESS) &&
        (key.SetStringValue(L"CategoryMessageFile", szPath, REG_EXPAND_SZ) == ERROR_SUCCESS) &&
        (key.SetDWORDValue(L"TypesSupported", dwData) == ERROR_SUCCESS) &&
        (key.SetDWORDValue(L"CategoryCount", dwCategoryNum) == ERROR_SUCCESS))
 
    {
        hLog = RegisterEventSourceW(NULL, L"ReactOS Application Manager");
    }
}

Referenced by wmain(), and wWinMain().

IsSameRegKey() [1/2]

static BOOL IsSameRegKey ( HKEY  hKey1, HKEY  hKey2  )

static

Definition at line 458 of file misc.cpp.

{
    // CompareObjectHandles is Win10+ so we check the path instead.
    struct NameInfo : UNICODE_STRING
    {
        WCHAR Allocation[MAX_PATH];
        NameInfo() { MaximumLength = sizeof(Allocation); Buffer = Allocation; }
    };
    NameInfo Name1, Name2;
    ULONG Length;
    return NT_SUCCESS(NtQueryObject(hKey1, ObjectNameInformation, &Name1, sizeof(Name1), &Length)) &&
           NT_SUCCESS(NtQueryObject(hKey2, ObjectNameInformation, &Name2, sizeof(Name2), &Length)) &&
           RtlCompareUnicodeString(&Name1, &Name2, TRUE) == 0;
}

Referenced by IsSameRegKey().

IsSameRegKey() [2/2]

BOOL IsSameRegKey	(	HKEY	hRoot,
		LPCWSTR	Path1,
		REGSAM	Sam1,
		LPCWSTR	Path2,
		REGSAM	Sam2
	)

Definition at line 474 of file misc.cpp.

{
    REGSAM WowMask = KEY_WOW64_32KEY | KEY_WOW64_64KEY;
    CRegKey key1, key2;
    return key1.Open(hRoot, Path1, MAXIMUM_ALLOWED | (Sam1 & WowMask)) == ERROR_SUCCESS &&
           key2.Open(hRoot, Path2, MAXIMUM_ALLOWED | (Sam2 & WowMask)) == ERROR_SUCCESS &&
           IsSameRegKey(key1, key2);
}

Referenced by CEnumInstalledRootKey::CEnumInstalledRootKey().

IsSystem64Bit()

BOOL IsSystem64Bit

(

)

Definition at line 384 of file misc.cpp.

{
#ifdef _WIN64
    return TRUE;
#else
    static UINT cache = 0;
    if (!cache)
        cache = 1 + (IsOS(OS_WOW6432) != FALSE);
    return cache - 1;
#endif
}

Referenced by ExtractAndInstallThread().

IsZipFile()

BOOL IsZipFile

(

PCWSTR

Path

)

Definition at line 51 of file geninst.cpp.

{
    zlib_filefunc64_def zff;
    fill_win32_filefunc64W(&zff);
    unzFile hzf = unzOpen2_64(Path, &zff);
    if (!hzf)
        return FALSE;
    unzClose(hzf);
    return TRUE;
}

Referenced by ClassifyFile().

NothingDlgProc()

static INT_PTR CALLBACK NothingDlgProc ( HWND  hDlg, UINT  uMsg, WPARAM  , LPARAM    )

static

Definition at line 57 of file misc.cpp.

{
    return uMsg == WM_CLOSE ? DestroyWindow(hDlg) : FALSE;
}

Referenced by EmulateDialogReposition().

NtQueryObject()

EXTERN_C NTSTATUS WINAPI NtQueryObject	(	HANDLE	,
		OBJECT_INFORMATION_CLASS	,
		PVOID	,
		ULONG	,
		PULONG
	)

Referenced by ConvertPath(), CreateTipText(), get_obj_access(), get_perflib_key(), GetFinalPathNameByHandleW(), GetHandleInformation(), GetKeySam(), GetSourcePaths(), IsGlobalDeviceMap(), IsGlobalSymbolicLink(), IsSameRegKey(), ProtectHandle(), resolve_symlink(), SetHandleInformation(), START_TEST(), Test_Device_StorDeviceNumber(), test_granted_access(), test_perflib_key(), TraceHandleCount_(), UnProtectHandle(), and VerifyAccess_().

OpensWithExplorer()

BOOL OpensWithExplorer

(

PCWSTR

Path

)

Definition at line 164 of file misc.cpp.

{
    WCHAR szCmd[MAX_PATH * 2];
    DWORD cch = _countof(szCmd);
    PCWSTR pszExt = PathFindExtensionW(Path);
    HRESULT hr = AssocQueryStringW(ASSOCF_INIT_IGNOREUNKNOWN | ASSOCF_NOTRUNCATE,
                                   ASSOCSTR_COMMAND, pszExt, NULL, szCmd, &cch);
    if (SUCCEEDED(hr) && StrStrIW(szCmd, L" zipfldr.dll,")) // .zip
        return TRUE;
    PathRemoveArgsW(szCmd);
    return SUCCEEDED(hr) && !StrCmpIW(PathFindFileNameW(szCmd), L"explorer.exe"); // .cab
}

Referenced by CDownloadManager::PerformDownloadAndInstall().

ReadAt()

static BOOL ReadAt ( HANDLE  Handle, UINT  Offset, LPVOID  Buffer, UINT  Size  )

static

Definition at line 626 of file misc.cpp.

{
    OVERLAPPED ol = {};
    ol.Offset = Offset;
    DWORD cb;
    return ReadFile(Handle, Buffer, Size, &cb, &ol) && cb == Size;
}

Referenced by GuessInstallerType().

RegKeyHasValues()

HRESULT RegKeyHasValues	(	HKEY	hKey,
		LPCWSTR	Path,
		REGSAM	wowsam
	)

Definition at line 484 of file misc.cpp.

{
    CRegKey key;
    LONG err = key.Open(hKey, Path, KEY_QUERY_VALUE | wowsam);
    if (err == ERROR_SUCCESS)
    {
        WCHAR name[1];
        DWORD cchname = _countof(name), cbsize = 0;
        err = RegEnumValueW(key, 0, name, &cchname, NULL, NULL, NULL, &cbsize);
        if (err == ERROR_NO_MORE_ITEMS)
            return S_FALSE;
        if (err == ERROR_MORE_DATA)
            err = ERROR_SUCCESS;
    }
    return HRESULT_FROM_WIN32(err);
}

Referenced by UninstallThread().

SearchPatternMatch()

BOOL SearchPatternMatch	(	LPCWSTR	szHaystack,
		LPCWSTR	szNeedle
	)

Definition at line 542 of file misc.cpp.

{
    if (!*szNeedle)
        return TRUE;
    /* TODO: Improve pattern search beyond a simple case-insensitive substring search. */
    return StrStrIW(szHaystack, szNeedle) != NULL;
}

Referenced by CMainWindow::AddApplicationsToView(), HandleFindCommand(), and SearchForAppWithDisplayName().

ShowPopupMenuEx()

VOID ShowPopupMenuEx	(	HWND	hwnd,
		HWND	hwndOwner,
		UINT	MenuID,
		UINT	DefaultItem,
		POINT *	Point
	)

Definition at line 82 of file misc.cpp.

{
    HMENU hMenu = NULL;
    HMENU hPopupMenu;
    MENUITEMINFO ItemInfo;
    POINT pt;
 
    if (MenuID)
    {
        hMenu = LoadMenuW(hInst, MAKEINTRESOURCEW(MenuID));
        hPopupMenu = GetSubMenu(hMenu, 0);
    }
    else
    {
        hPopupMenu = GetMenu(hwnd);
    }
 
    ZeroMemory(&ItemInfo, sizeof(ItemInfo));
    ItemInfo.cbSize = sizeof(ItemInfo);
    ItemInfo.fMask = MIIM_STATE;
 
    GetMenuItemInfoW(hPopupMenu, DefaultItem, FALSE, &ItemInfo);
 
    if (!(ItemInfo.fState & MFS_GRAYED))
    {
        SetMenuDefaultItem(hPopupMenu, DefaultItem, FALSE);
    }
 
    if (!Point)
    {
        GetCursorPos(Point = &pt);
    }
 
    SetForegroundWindow(hwnd);
    TrackPopupMenu(hPopupMenu, 0, Point->x, Point->y, 0, hwndOwner, NULL);
 
    if (hMenu)
    {
        DestroyMenu(hMenu);
    }
}

Referenced by CAppInfoDisplay::OnLink(), and CApplicationView::ProcessWindowMessage().

SplitFileAndDirectory()

CStringW SplitFileAndDirectory	(	LPCWSTR	FullPath,
		CStringW *	pDir
	)

Definition at line 571 of file misc.cpp.

{
    CPathW dir = FullPath;
    //int win = dir.ReverseFind(L'\\'), nix = dir.ReverseFind(L'/'), sep = max(win, nix);
    int sep = dir.FindFileName();
    CStringW file = dir.m_strPath.Mid(sep);
    if (pDir)
        *pDir = sep == -1 ? L"" : dir.m_strPath.Left(sep - 1);
    return file;
}

Referenced by CreateMainShortcut(), ExtractFilesFromCab(), ExtractFilesFromZip(), InstallFiles(), and UninstallThread().

StartProcess()

BOOL StartProcess	(	const CStringW &	Path,
		BOOL	Wait
	)

Definition at line 178 of file misc.cpp.

{
    PROCESS_INFORMATION pi;
    STARTUPINFOW si;
    DWORD dwRet;
    MSG msg;
 
    ZeroMemory(&si, sizeof(si));
    si.cb = sizeof(si);
    si.dwFlags = STARTF_USESHOWWINDOW;
    si.wShowWindow = SW_SHOW;
 
    // The Unicode version of CreateProcess can modify the contents of this string.
    CStringW Tmp = Path;
    BOOL fSuccess = CreateProcessW(NULL, Tmp.GetBuffer(), NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
    Tmp.ReleaseBuffer();
    if (!fSuccess)
    {
        return FALSE;
    }
 
    CloseHandle(pi.hThread);
 
    if (Wait)
    {
        EnableWindow(hMainWnd, FALSE);
    }
 
    while (Wait)
    {
        dwRet = MsgWaitForMultipleObjects(1, &pi.hProcess, FALSE, INFINITE, QS_ALLEVENTS);
        if (dwRet == WAIT_OBJECT_0 + 1)
        {
            while (PeekMessageW(&msg, NULL, 0, 0, PM_REMOVE))
            {
                TranslateMessage(&msg);
                DispatchMessageW(&msg);
            }
        }
        else
        {
            if (dwRet == WAIT_OBJECT_0 || dwRet == WAIT_FAILED)
                break;
        }
    }
 
    CloseHandle(pi.hProcess);
 
    if (Wait)
    {
        EnableWindow(hMainWnd, TRUE);
        SetForegroundWindow(hMainWnd);
        // We got the real activation message during MsgWaitForMultipleObjects while
        // we were disabled, we need to set the focus again now.
        SetFocus(hMainWnd);
    }
 
    return TRUE;
}

Referenced by CInstalledApplicationInfo::UninstallApplication().

UnixTimeToFileTime()

void UnixTimeToFileTime	(	DWORD	dwUnixTime,
		LPFILETIME	pFileTime
	)

Definition at line 447 of file misc.cpp.

{
    // Note that LONGLONG is a 64-bit value
    LONGLONG ll;
 
    ll = Int32x32To64(dwUnixTime, 10000000) + 116444736000000000;
    pFileTime->dwLowDateTime = (DWORD)ll;
    pFileTime->dwHighDateTime = ll >> 32;
}

Referenced by CInstalledApplicationInfo::RetrieveInstallDate().

WriteLogMessage()

BOOL WriteLogMessage	(	WORD	wType,
		DWORD	dwEventID,
		LPCWSTR	lpMsg
	)

Definition at line 321 of file misc.cpp.

{
    if (!SettingsInfo.bLogEnabled)
    {
        return TRUE;
    }
 
    if (!ReportEventW(hLog, wType, 0, dwEventID, NULL, 1, 0, &lpMsg, NULL))
    {
        return FALSE;
    }
 
    return TRUE;
}

Referenced by CDownloadManager::PerformDownloadAndInstall(), and CInstalledApplicationInfo::UninstallApplication().

Variable Documentation

hLog

HANDLE hLog = NULL

static

Definition at line 15 of file misc.cpp.

Referenced by FreeLogs(), InitLogs(), ScmLogEvent(), SetupInitializeFileLogA(), SetupInitializeFileLogW(), wmain(), and WriteLogMessage().