diff options
Diffstat (limited to 'src/corelib/io/qfsfileengine_win.cpp')
| -rw-r--r-- | src/corelib/io/qfsfileengine_win.cpp | 198 |
1 files changed, 67 insertions, 131 deletions
diff --git a/src/corelib/io/qfsfileengine_win.cpp b/src/corelib/io/qfsfileengine_win.cpp index b7f4e484e7..e01b42b7a0 100644 --- a/src/corelib/io/qfsfileengine_win.cpp +++ b/src/corelib/io/qfsfileengine_win.cpp @@ -107,24 +107,15 @@ typedef DWORD (WINAPI *PtrGetNamedSecurityInfoW)(LPWSTR, SE_OBJECT_TYPE, SECURIT static PtrGetNamedSecurityInfoW ptrGetNamedSecurityInfoW = 0; typedef BOOL (WINAPI *PtrLookupAccountSidW)(LPCWSTR, PSID, LPWSTR, LPDWORD, LPWSTR, LPDWORD, PSID_NAME_USE); static PtrLookupAccountSidW ptrLookupAccountSidW = 0; -typedef BOOL (WINAPI *PtrAllocateAndInitializeSid)(PSID_IDENTIFIER_AUTHORITY, BYTE, DWORD, DWORD, DWORD, DWORD, DWORD, DWORD, DWORD, DWORD, PSID*); -static PtrAllocateAndInitializeSid ptrAllocateAndInitializeSid = 0; typedef VOID (WINAPI *PtrBuildTrusteeWithSidW)(PTRUSTEE_W, PSID); static PtrBuildTrusteeWithSidW ptrBuildTrusteeWithSidW = 0; -typedef VOID (WINAPI *PtrBuildTrusteeWithNameW)(PTRUSTEE_W, unsigned short*); -static PtrBuildTrusteeWithNameW ptrBuildTrusteeWithNameW = 0; typedef DWORD (WINAPI *PtrGetEffectiveRightsFromAclW)(PACL, PTRUSTEE_W, OUT PACCESS_MASK); static PtrGetEffectiveRightsFromAclW ptrGetEffectiveRightsFromAclW = 0; -typedef PVOID (WINAPI *PtrFreeSid)(PSID); -static PtrFreeSid ptrFreeSid = 0; static TRUSTEE_W currentUserTrusteeW; +static TRUSTEE_W worldTrusteeW; -typedef BOOL (WINAPI *PtrOpenProcessToken)(HANDLE, DWORD, PHANDLE ); -static PtrOpenProcessToken ptrOpenProcessToken = 0; typedef BOOL (WINAPI *PtrGetUserProfileDirectoryW)(HANDLE, LPWSTR, LPDWORD); static PtrGetUserProfileDirectoryW ptrGetUserProfileDirectoryW = 0; -typedef BOOL (WINAPI *PtrSetFilePointerEx)(HANDLE, LARGE_INTEGER, PLARGE_INTEGER, DWORD); -static PtrSetFilePointerEx ptrSetFilePointerEx = 0; QT_END_INCLUDE_NAMESPACE @@ -152,67 +143,37 @@ void QFSFileEnginePrivate::resolveLibs() if (advapiHnd) { ptrGetNamedSecurityInfoW = (PtrGetNamedSecurityInfoW)GetProcAddress(advapiHnd, "GetNamedSecurityInfoW"); ptrLookupAccountSidW = (PtrLookupAccountSidW)GetProcAddress(advapiHnd, "LookupAccountSidW"); - ptrAllocateAndInitializeSid = (PtrAllocateAndInitializeSid)GetProcAddress(advapiHnd, "AllocateAndInitializeSid"); ptrBuildTrusteeWithSidW = (PtrBuildTrusteeWithSidW)GetProcAddress(advapiHnd, "BuildTrusteeWithSidW"); - ptrBuildTrusteeWithNameW = (PtrBuildTrusteeWithNameW)GetProcAddress(advapiHnd, "BuildTrusteeWithNameW"); ptrGetEffectiveRightsFromAclW = (PtrGetEffectiveRightsFromAclW)GetProcAddress(advapiHnd, "GetEffectiveRightsFromAclW"); - ptrFreeSid = (PtrFreeSid)GetProcAddress(advapiHnd, "FreeSid"); } - if (ptrBuildTrusteeWithNameW) { - HINSTANCE versionHnd = LoadLibraryW(L"version"); - if (versionHnd) { - typedef DWORD (WINAPI *PtrGetFileVersionInfoSizeW)(LPCWSTR lptstrFilename,LPDWORD lpdwHandle); - PtrGetFileVersionInfoSizeW ptrGetFileVersionInfoSizeW = (PtrGetFileVersionInfoSizeW)GetProcAddress(versionHnd, "GetFileVersionInfoSizeW"); - typedef BOOL (WINAPI *PtrGetFileVersionInfoW)(LPCWSTR lptstrFilename,DWORD dwHandle,DWORD dwLen,LPVOID lpData); - PtrGetFileVersionInfoW ptrGetFileVersionInfoW = (PtrGetFileVersionInfoW)GetProcAddress(versionHnd, "GetFileVersionInfoW"); - typedef BOOL (WINAPI *PtrVerQueryValueW)(const LPVOID pBlock,LPCWSTR lpSubBlock,LPVOID *lplpBuffer,PUINT puLen); - PtrVerQueryValueW ptrVerQueryValueW = (PtrVerQueryValueW)GetProcAddress(versionHnd, "VerQueryValueW"); - if(ptrGetFileVersionInfoSizeW && ptrGetFileVersionInfoW && ptrVerQueryValueW) { - DWORD fakeHandle; - DWORD versionSize = ptrGetFileVersionInfoSizeW(L"secur32.dll", &fakeHandle); - if(versionSize) { - LPVOID versionData; - versionData = malloc(versionSize); - if(ptrGetFileVersionInfoW(L"secur32.dll", 0, versionSize, versionData)) { - UINT puLen; - VS_FIXEDFILEINFO *pLocalInfo; - if(ptrVerQueryValueW(versionData, L"\\", (void**)&pLocalInfo, &puLen)) { - WORD wVer1, wVer2, wVer3, wVer4; - wVer1 = HIWORD(pLocalInfo->dwFileVersionMS); - wVer2 = LOWORD(pLocalInfo->dwFileVersionMS); - wVer3 = HIWORD(pLocalInfo->dwFileVersionLS); - wVer4 = LOWORD(pLocalInfo->dwFileVersionLS); - // It will not work with secur32.dll version 5.0.2195.2862 - if(!(wVer1 == 5 && wVer2 == 0 && wVer3 == 2195 && (wVer4 == 2862 || wVer4 == 4587))) { - HINSTANCE userHnd = LoadLibraryW(L"secur32"); - if (userHnd) { - typedef BOOL (WINAPI *PtrGetUserNameExW)(EXTENDED_NAME_FORMAT nameFormat, ushort* lpBuffer, LPDWORD nSize); - PtrGetUserNameExW ptrGetUserNameExW = (PtrGetUserNameExW)GetProcAddress(userHnd, "GetUserNameExW"); - if(ptrGetUserNameExW) { - static wchar_t buffer[258]; - DWORD bufferSize = 257; - ptrGetUserNameExW(NameSamCompatible, (ushort*)buffer, &bufferSize); - ptrBuildTrusteeWithNameW(¤tUserTrusteeW, (ushort*)buffer); - } - FreeLibrary(userHnd); - } - } - } - } - free(versionData); - } - } - FreeLibrary(versionHnd); + if (ptrBuildTrusteeWithSidW) { + // Create TRUSTEE for current user + HANDLE hnd = ::GetCurrentProcess(); + HANDLE token = 0; + if (::OpenProcessToken(hnd, TOKEN_QUERY, &token)) { + TOKEN_USER tu; + DWORD retsize; + if (::GetTokenInformation(token, TokenUser, &tu, sizeof(tu), &retsize)) + ptrBuildTrusteeWithSidW(¤tUserTrusteeW, tu.User.Sid); + ::CloseHandle(token); } - ptrOpenProcessToken = (PtrOpenProcessToken)GetProcAddress(advapiHnd, "OpenProcessToken"); - HINSTANCE userenvHnd = LoadLibraryW(L"userenv"); - if (userenvHnd) { - ptrGetUserProfileDirectoryW = (PtrGetUserProfileDirectoryW)GetProcAddress(userenvHnd, "GetUserProfileDirectoryW"); + + typedef BOOL (WINAPI *PtrAllocateAndInitializeSid)(PSID_IDENTIFIER_AUTHORITY, BYTE, DWORD, DWORD, DWORD, DWORD, DWORD, DWORD, DWORD, DWORD, PSID*); + PtrAllocateAndInitializeSid ptrAllocateAndInitializeSid = (PtrAllocateAndInitializeSid)GetProcAddress(advapiHnd, "AllocateAndInitializeSid"); + typedef PVOID (WINAPI *PtrFreeSid)(PSID); + PtrFreeSid ptrFreeSid = (PtrFreeSid)GetProcAddress(advapiHnd, "FreeSid"); + if (ptrAllocateAndInitializeSid && ptrFreeSid) { + // Create TRUSTEE for Everyone (World) + SID_IDENTIFIER_AUTHORITY worldAuth = { SECURITY_WORLD_SID_AUTHORITY }; + PSID pWorld = 0; + if (ptrAllocateAndInitializeSid(&worldAuth, 1, SECURITY_WORLD_RID, 0, 0, 0, 0, 0, 0, 0, &pWorld)) + ptrBuildTrusteeWithSidW(&worldTrusteeW, pWorld); + ptrFreeSid(pWorld); } - HINSTANCE kernelHnd = LoadLibraryW(L"kernel32"); - if (kernelHnd) - ptrSetFilePointerEx = (PtrSetFilePointerEx)GetProcAddress(kernelHnd, "SetFilePointerEx"); } + HINSTANCE userenvHnd = LoadLibraryW(L"userenv"); + if (userenvHnd) + ptrGetUserProfileDirectoryW = (PtrGetUserProfileDirectoryW)GetProcAddress(userenvHnd, "GetUserProfileDirectoryW"); #endif } } @@ -596,34 +557,27 @@ qint64 QFSFileEnginePrivate::nativePos() const if (fileHandle == INVALID_HANDLE_VALUE) return 0; -#if !defined(QT_NO_LIBRARY) && !defined(Q_OS_WINCE) - QFSFileEnginePrivate::resolveLibs(); - if (!ptrSetFilePointerEx) { -#endif - LARGE_INTEGER filepos; - filepos.HighPart = 0; - DWORD newFilePointer = SetFilePointer(fileHandle, 0, &filepos.HighPart, FILE_CURRENT); - if (newFilePointer == 0xFFFFFFFF && GetLastError() != NO_ERROR) { - thatQ->setError(QFile::UnspecifiedError, qt_error_string()); - return 0; - } - - // Note: This is the case for MOC, UIC, qmake and other - // bootstrapped tools, and for Windows CE. - filepos.LowPart = newFilePointer; - return filepos.QuadPart; -#if !defined(QT_NO_LIBRARY) && !defined(Q_OS_WINCE) - } - +#if !defined(Q_OS_WINCE) LARGE_INTEGER currentFilePos; LARGE_INTEGER offset; offset.QuadPart = 0; - if (!ptrSetFilePointerEx(fileHandle, offset, ¤tFilePos, FILE_CURRENT)) { + if (!::SetFilePointerEx(fileHandle, offset, ¤tFilePos, FILE_CURRENT)) { thatQ->setError(QFile::UnspecifiedError, qt_error_string()); return 0; } return qint64(currentFilePos.QuadPart); +#else + LARGE_INTEGER filepos; + filepos.HighPart = 0; + DWORD newFilePointer = SetFilePointer(fileHandle, 0, &filepos.HighPart, FILE_CURRENT); + if (newFilePointer == 0xFFFFFFFF && GetLastError() != NO_ERROR) { + thatQ->setError(QFile::UnspecifiedError, qt_error_string()); + return 0; + } + + filepos.LowPart = newFilePointer; + return filepos.QuadPart; #endif } @@ -632,39 +586,32 @@ qint64 QFSFileEnginePrivate::nativePos() const */ bool QFSFileEnginePrivate::nativeSeek(qint64 pos) { - Q_Q(const QFSFileEngine); - QFSFileEngine *thatQ = const_cast<QFSFileEngine *>(q); + Q_Q(QFSFileEngine); if (fh || fd != -1) { // stdlib / stdio mode. return seekFdFh(pos); } -#if !defined(QT_NO_LIBRARY) && !defined(Q_OS_WINCE) - QFSFileEnginePrivate::resolveLibs(); - if (!ptrSetFilePointerEx) { -#endif - DWORD newFilePointer; - LARGE_INTEGER *li = reinterpret_cast<LARGE_INTEGER*>(&pos); - newFilePointer = SetFilePointer(fileHandle, li->LowPart, &li->HighPart, FILE_BEGIN); - if (newFilePointer == 0xFFFFFFFF && GetLastError() != NO_ERROR) { - thatQ->setError(QFile::PositionError, qt_error_string()); - return false; - } - - // Note: This is the case for MOC, UIC, qmake and other - // bootstrapped tools, and for Windows CE. - return true; -#if !defined(QT_NO_LIBRARY) && !defined(Q_OS_WINCE) - } - +#if !defined(Q_OS_WINCE) LARGE_INTEGER currentFilePos; LARGE_INTEGER offset; offset.QuadPart = pos; - if (ptrSetFilePointerEx(fileHandle, offset, ¤tFilePos, FILE_BEGIN) == 0) { - thatQ->setError(QFile::UnspecifiedError, qt_error_string()); + if (!::SetFilePointerEx(fileHandle, offset, ¤tFilePos, FILE_BEGIN)) { + q->setError(QFile::UnspecifiedError, qt_error_string()); return false; } + + return true; +#else + DWORD newFilePointer; + LARGE_INTEGER *li = reinterpret_cast<LARGE_INTEGER*>(&pos); + newFilePointer = SetFilePointer(fileHandle, li->LowPart, &li->HighPart, FILE_BEGIN); + if (newFilePointer == 0xFFFFFFFF && GetLastError() != NO_ERROR) { + q->setError(QFile::PositionError, qt_error_string()); + return false; + } + return true; #endif } @@ -1044,10 +991,10 @@ QString QFSFileEngine::homePath() QString ret; #if !defined(QT_NO_LIBRARY) QFSFileEnginePrivate::resolveLibs(); - if (ptrOpenProcessToken && ptrGetUserProfileDirectoryW) { + if (ptrGetUserProfileDirectoryW) { HANDLE hnd = ::GetCurrentProcess(); HANDLE token = 0; - BOOL ok = ::ptrOpenProcessToken(hnd, TOKEN_QUERY, &token); + BOOL ok = ::OpenProcessToken(hnd, TOKEN_QUERY, &token); if (ok) { DWORD dwBufferSize = 0; // First call, to determine size of the strings (with '\0'). @@ -1393,7 +1340,7 @@ QAbstractFileEngine::FileFlags QFSFileEnginePrivate::getPermissions() const enum { ReadMask = 0x00000001, WriteMask = 0x00000002, ExecMask = 0x00000020 }; resolveLibs(); - if(ptrGetNamedSecurityInfoW && ptrAllocateAndInitializeSid && ptrBuildTrusteeWithSidW && ptrGetEffectiveRightsFromAclW && ptrFreeSid) { + if(ptrGetNamedSecurityInfoW && ptrBuildTrusteeWithSidW && ptrGetEffectiveRightsFromAclW) { QString fname = filePath.endsWith(QLatin1String(".lnk")) ? readLink(filePath) : filePath; DWORD res = ptrGetNamedSecurityInfoW((wchar_t*)fname.utf16(), SE_FILE_OBJECT, @@ -1435,21 +1382,14 @@ QAbstractFileEngine::FileFlags QFSFileEnginePrivate::getPermissions() const ret |= QAbstractFileEngine::ExeGroupPerm; } { //other (world) - // Create SID for Everyone (World) - SID_IDENTIFIER_AUTHORITY worldAuth = { SECURITY_WORLD_SID_AUTHORITY }; - PSID pWorld = 0; - if(ptrAllocateAndInitializeSid(&worldAuth, 1, SECURITY_WORLD_RID, 0,0,0,0,0,0,0, &pWorld)) { - ptrBuildTrusteeWithSidW(&trustee, pWorld); - if(ptrGetEffectiveRightsFromAclW(pDacl, &trustee, &access_mask) != ERROR_SUCCESS) - access_mask = (ACCESS_MASK)-1; // ### - if(access_mask & ReadMask) - ret |= QAbstractFileEngine::ReadOtherPerm; - if(access_mask & WriteMask) - ret |= QAbstractFileEngine::WriteOtherPerm; - if(access_mask & ExecMask) - ret |= QAbstractFileEngine::ExeOtherPerm; - } - ptrFreeSid(pWorld); + if(ptrGetEffectiveRightsFromAclW(pDacl, &worldTrusteeW, &access_mask) != ERROR_SUCCESS) + access_mask = (ACCESS_MASK)-1; // ### + if(access_mask & ReadMask) + ret |= QAbstractFileEngine::ReadOtherPerm; + if(access_mask & WriteMask) + ret |= QAbstractFileEngine::WriteOtherPerm; + if(access_mask & ExecMask) + ret |= QAbstractFileEngine::ExeOtherPerm; } LocalFree(pSD); } @@ -1703,12 +1643,8 @@ bool QFSFileEngine::setPermissions(uint perms) if (mode == 0) // not supported return false; -#if !defined(Q_OS_WINCE) - ret = ::_wchmod((wchar_t*)d->filePath.utf16(), mode) == 0; -#else - ret = ::_wchmod((wchar_t*)d->longFileName(d->filePath).utf16(), mode); -#endif - return ret; + ret = ::_wchmod((wchar_t*)d->longFileName(d->filePath).utf16(), mode) == 0; + return ret; } bool QFSFileEngine::setSize(qint64 size) |