diff options
Diffstat (limited to 'sal/osl/w32/file_dirvol.cxx')
| -rw-r--r-- | sal/osl/w32/file_dirvol.cxx | 1691 |
1 files changed, 1691 insertions, 0 deletions
diff --git a/sal/osl/w32/file_dirvol.cxx b/sal/osl/w32/file_dirvol.cxx new file mode 100644 index 000000000..f9d821605 --- /dev/null +++ b/sal/osl/w32/file_dirvol.cxx @@ -0,0 +1,1691 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <systools/win32/uwinapi.h> + +#include "file_url.hxx" +#include "filetime.hxx" +#include "file_error.hxx" + +#include "path_helper.hxx" + +#include <rtl/alloc.h> +#include <rtl/ustring.hxx> +#include <rtl/character.hxx> +#include <sal/log.hxx> +#include <o3tl/char16_t2wchar_t.hxx> + +const wchar_t UNC_PREFIX[] = L"\\\\"; +const wchar_t BACKSLASH = '\\'; +const wchar_t SLASH = '/'; + +BOOL TimeValueToFileTime(const TimeValue *cpTimeVal, FILETIME *pFTime) +{ + SYSTEMTIME BaseSysTime; + FILETIME BaseFileTime; + FILETIME FTime; + bool fSuccess = false; + + BaseSysTime.wYear = 1970; + BaseSysTime.wMonth = 1; + BaseSysTime.wDayOfWeek = 0; + BaseSysTime.wDay = 1; + BaseSysTime.wHour = 0; + BaseSysTime.wMinute = 0; + BaseSysTime.wSecond = 0; + BaseSysTime.wMilliseconds = 0; + + if (cpTimeVal==nullptr) + return fSuccess; + + if ( SystemTimeToFileTime(&BaseSysTime, &BaseFileTime) ) + { + __int64 timeValue; + + __int64 localTime = cpTimeVal->Seconds*__int64(10000000)+cpTimeVal->Nanosec/100; + osl::detail::setFiletime(FTime, localTime); + fSuccess = 0 <= (timeValue= osl::detail::getFiletime(BaseFileTime) + osl::detail::getFiletime(FTime)); + if (fSuccess) + osl::detail::setFiletime(*pFTime, timeValue); + } + return fSuccess; +} + +BOOL FileTimeToTimeValue(const FILETIME *cpFTime, TimeValue *pTimeVal) +{ + SYSTEMTIME BaseSysTime; + FILETIME BaseFileTime; + bool fSuccess = false; /* Assume failure */ + + BaseSysTime.wYear = 1970; + BaseSysTime.wMonth = 1; + BaseSysTime.wDayOfWeek = 0; + BaseSysTime.wDay = 1; + BaseSysTime.wHour = 0; + BaseSysTime.wMinute = 0; + BaseSysTime.wSecond = 0; + BaseSysTime.wMilliseconds = 0; + + if ( SystemTimeToFileTime(&BaseSysTime, &BaseFileTime) ) + { + __int64 Value; + + fSuccess = 0 <= (Value = osl::detail::getFiletime(*cpFTime) - osl::detail::getFiletime(BaseFileTime)); + + if ( fSuccess ) + { + pTimeVal->Seconds = static_cast<unsigned long>(Value / 10000000L); + pTimeVal->Nanosec = static_cast<unsigned long>((Value % 10000000L) * 100); + } + } + return fSuccess; +} + +namespace +{ + + struct Component + { + Component() : + begin_(nullptr), end_(nullptr) + {} + + bool isPresent() const + { return (static_cast<sal_IntPtr>(end_ - begin_) > 0); } + + const sal_Unicode* begin_; + const sal_Unicode* end_; + }; + + struct UNCComponents + { + Component server_; + Component share_; + Component resource_; + }; + + bool is_UNC_path(const sal_Unicode* path) + { return (0 == wcsncmp(UNC_PREFIX, o3tl::toW(path), SAL_N_ELEMENTS(UNC_PREFIX) - 1)); } + + void parse_UNC_path(const sal_Unicode* path, UNCComponents* puncc) + { + OSL_PRECOND(is_UNC_path(path), "Precondition violated: No UNC path"); + OSL_PRECOND(rtl_ustr_indexOfChar(path, SLASH) == -1, "Path must not contain slashes"); + + const sal_Unicode* pend = path + rtl_ustr_getLength(path); + const sal_Unicode* ppos = path + 2; + + puncc->server_.begin_ = ppos; + while ((ppos < pend) && (*ppos != BACKSLASH)) + ppos++; + + puncc->server_.end_ = ppos; + + if (BACKSLASH == *ppos) + { + puncc->share_.begin_ = ++ppos; + while ((ppos < pend) && (*ppos != BACKSLASH)) + ppos++; + + puncc->share_.end_ = ppos; + + if (BACKSLASH == *ppos) + { + puncc->resource_.begin_ = ++ppos; + while (ppos < pend) + ppos++; + + puncc->resource_.end_ = ppos; + } + } + + SAL_WARN_IF(!puncc->server_.isPresent() || !puncc->share_.isPresent(), + "sal.osl", + "Postcondition violated: Invalid UNC path detected"); + } + + bool has_path_parent(const sal_Unicode* path) + { + // Has the given path a parent or are we already there, + // e.g. 'c:\' or '\\server\share\'? + + bool has_parent = false; + if (is_UNC_path(path)) + { + UNCComponents unc_comp; + parse_UNC_path(path, &unc_comp); + has_parent = unc_comp.resource_.isPresent(); + } + else + { + has_parent = !osl::systemPathIsLogicalDrivePattern(OUString(path)); + } + return has_parent; + } + + bool has_path_parent(const OUString& path) + { return has_path_parent(path.getStr()); } + +} + +oslFileError SAL_CALL osl_acquireVolumeDeviceHandle( oslVolumeDeviceHandle Handle ) +{ + if ( Handle ) + { + rtl_uString_acquire( static_cast<rtl_uString *>(Handle) ); + return osl_File_E_None; + } + else + return osl_File_E_INVAL; +} + +oslFileError SAL_CALL osl_releaseVolumeDeviceHandle( oslVolumeDeviceHandle Handle ) +{ + if ( Handle ) + { + rtl_uString_release( static_cast<rtl_uString *>(Handle) ); + return osl_File_E_None; + } + else + return osl_File_E_INVAL; +} + +oslFileError SAL_CALL osl_getVolumeDeviceMountPath( oslVolumeDeviceHandle Handle, rtl_uString **pstrPath ) +{ + if ( Handle && pstrPath ) + { + rtl_uString_assign( pstrPath, static_cast<rtl_uString *>(Handle) ); + return osl_File_E_None; + } + else + return osl_File_E_INVAL; +} + +#define DIRECTORYITEM_DRIVE 0 +#define DIRECTORYITEM_FILE 1 +#define DIRECTORYITEM_SERVER 2 + +namespace { + +struct DirectoryItem_Impl +{ + UINT uType = 0; + union { + WIN32_FIND_DATAW FindData; + WCHAR cDriveString[MAX_PATH]; + }; + OUString m_sFullPath; + bool bFullPathNormalized = false; + int nRefCount = 0; +}; + +} + +#define DIRECTORYTYPE_LOCALROOT 0 +#define DIRECTORYTYPE_NETROOT 1 +#define DIRECTORYTYPE_FILESYSTEM 3 + +namespace { + +struct Directory_Impl +{ + UINT uType = 0; + union { + HANDLE hDirectory = nullptr; + HANDLE hEnumDrives; + }; + OUString m_sDirectoryPath; +}; + +typedef struct tagDRIVEENUM +{ + LPCWSTR lpIdent; + WCHAR cBuffer[/*('Z' - 'A' + 1) * sizeof("A:\\") + 1*/256]; + LPCWSTR lpCurrent; +} DRIVEENUM, *PDRIVEENUM, *LPDRIVEENUM; + +} + +static HANDLE WINAPI OpenLogicalDrivesEnum() +{ + LPDRIVEENUM pEnum = static_cast<LPDRIVEENUM>(HeapAlloc( GetProcessHeap(), 0, sizeof(DRIVEENUM) )); + if ( pEnum ) + { + DWORD dwNumCopied = GetLogicalDriveStringsW( SAL_N_ELEMENTS(pEnum->cBuffer) - 1, pEnum->cBuffer ); + + if ( dwNumCopied && dwNumCopied < SAL_N_ELEMENTS(pEnum->cBuffer) ) + { + pEnum->lpCurrent = pEnum->cBuffer; + pEnum->lpIdent = L"tagDRIVEENUM"; + } + else + { + HeapFree( GetProcessHeap(), 0, pEnum ); + pEnum = nullptr; + } + } + return pEnum ? static_cast<HANDLE>(pEnum) : INVALID_HANDLE_VALUE; +} + +static bool WINAPI EnumLogicalDrives(HANDLE hEnum, LPWSTR lpBuffer) +{ + LPDRIVEENUM pEnum = static_cast<LPDRIVEENUM>(hEnum); + if ( !pEnum ) + { + SetLastError( ERROR_INVALID_HANDLE ); + return false; + } + + int nLen = wcslen( pEnum->lpCurrent ); + if ( !nLen ) + { + SetLastError( ERROR_NO_MORE_FILES ); + return false; + } + + CopyMemory( lpBuffer, pEnum->lpCurrent, (nLen + 1) * sizeof(WCHAR) ); + pEnum->lpCurrent += nLen + 1; + return true; +} + +static bool WINAPI CloseLogicalDrivesEnum(HANDLE hEnum) +{ + bool fSuccess = false; + LPDRIVEENUM pEnum = static_cast<LPDRIVEENUM>(hEnum); + + if ( pEnum ) + { + HeapFree( GetProcessHeap(), 0, pEnum ); + fSuccess = true; + } + else + SetLastError( ERROR_INVALID_HANDLE ); + + return fSuccess; +} + +namespace { + +typedef struct tagDIRECTORY +{ + HANDLE hFind; + WIN32_FIND_DATAW aFirstData; +} DIRECTORY, *PDIRECTORY, *LPDIRECTORY; + +} + +static HANDLE WINAPI OpenDirectory( rtl_uString* pPath) +{ + if ( !pPath ) + return nullptr; + + sal_uInt32 nLen = rtl_uString_getLength( pPath ); + if ( !nLen ) + return nullptr; + + const WCHAR* pSuffix = nullptr; + sal_uInt32 nSuffLen = 0; + if ( pPath->buffer[nLen - 1] != L'\\' ) + { + pSuffix = L"\\*.*"; + nSuffLen = 4; + } + else + { + pSuffix = L"*.*"; + nSuffLen = 3; + } + + WCHAR* szFileMask = static_cast< WCHAR* >( malloc( sizeof( WCHAR ) * ( nLen + nSuffLen + 1 ) ) ); + assert(szFileMask); // Don't handle OOM conditions + wcscpy( szFileMask, o3tl::toW(rtl_uString_getStr( pPath )) ); + wcscat( szFileMask, pSuffix ); + + LPDIRECTORY pDirectory = static_cast<LPDIRECTORY>(HeapAlloc(GetProcessHeap(), 0, sizeof(DIRECTORY))); + assert(pDirectory); // Don't handle OOM conditions + pDirectory->hFind = FindFirstFileW(szFileMask, &pDirectory->aFirstData); + + if (!IsValidHandle(pDirectory->hFind)) + { + if ( GetLastError() != ERROR_NO_MORE_FILES ) + { + HeapFree(GetProcessHeap(), 0, pDirectory); + pDirectory = nullptr; + } + } + free(szFileMask); + + return static_cast<HANDLE>(pDirectory); +} + +static bool WINAPI EnumDirectory(HANDLE hDirectory, LPWIN32_FIND_DATAW pFindData) +{ + LPDIRECTORY pDirectory = static_cast<LPDIRECTORY>(hDirectory); + if ( !pDirectory ) + { + SetLastError( ERROR_INVALID_HANDLE ); + return false; + } + + bool fSuccess = false; + bool fValid; + do + { + if ( pDirectory->aFirstData.cFileName[0] ) + { + *pFindData = pDirectory->aFirstData; + fSuccess = true; + pDirectory->aFirstData.cFileName[0] = 0; + } + else if ( IsValidHandle( pDirectory->hFind ) ) + fSuccess = FindNextFileW( pDirectory->hFind, pFindData ); + else + { + fSuccess = false; + SetLastError( ERROR_NO_MORE_FILES ); + } + + fValid = fSuccess && wcscmp( L".", pFindData->cFileName ) != 0 && wcscmp( L"..", pFindData->cFileName ) != 0; + + } while( fSuccess && !fValid ); + + return fSuccess; +} + +static bool WINAPI CloseDirectory(HANDLE hDirectory) +{ + bool fSuccess = false; + LPDIRECTORY pDirectory = static_cast<LPDIRECTORY>(hDirectory); + + if (pDirectory) + { + if (IsValidHandle(pDirectory->hFind)) + fSuccess = FindClose(pDirectory->hFind); + + fSuccess = HeapFree(GetProcessHeap(), 0, pDirectory) && fSuccess; + } + else + SetLastError(ERROR_INVALID_HANDLE); + + return fSuccess; +} + +static oslFileError osl_openLocalRoot( + rtl_uString *strDirectoryPath, oslDirectory *pDirectory) +{ + if ( !pDirectory ) + return osl_File_E_INVAL; + + *pDirectory = nullptr; + + OUString strSysPath; + oslFileError error = osl_getSystemPathFromFileURL_(OUString::unacquired(&strDirectoryPath), &strSysPath.pData, false); + if ( osl_File_E_None != error ) + return error; + + Directory_Impl* pDirImpl = new (std::nothrow) Directory_Impl; + assert(pDirImpl); // Don't handle OOM conditions + pDirImpl->m_sDirectoryPath = strSysPath; + + /* Append backslash if necessary */ + + /* @@@ToDo + use function ensure backslash + */ + sal_uInt32 nLen = pDirImpl->m_sDirectoryPath.getLength(); + if ( nLen && pDirImpl->m_sDirectoryPath[nLen - 1] != L'\\' ) + { + pDirImpl->m_sDirectoryPath += "\\"; + } + + pDirImpl->uType = DIRECTORYTYPE_LOCALROOT; + pDirImpl->hEnumDrives = OpenLogicalDrivesEnum(); + + /* @@@ToDo + Use IsValidHandle(...) + */ + if ( pDirImpl->hEnumDrives != INVALID_HANDLE_VALUE ) + { + *pDirectory = static_cast<oslDirectory>(pDirImpl); + error = osl_File_E_None; + } + else + { + if ( pDirImpl ) + { + delete pDirImpl; + pDirImpl = nullptr; + } + + error = oslTranslateFileError( GetLastError() ); + } + return error; +} + +static oslFileError osl_openFileDirectory( + rtl_uString *strDirectoryPath, oslDirectory *pDirectory) +{ + oslFileError error = osl_File_E_None; + + if ( !pDirectory ) + return osl_File_E_INVAL; + *pDirectory = nullptr; + + Directory_Impl *pDirImpl = new (std::nothrow) Directory_Impl; + assert(pDirImpl); // Don't handle OOM conditions + pDirImpl->m_sDirectoryPath = strDirectoryPath; + + /* Append backslash if necessary */ + + /* @@@ToDo + use function ensure backslash + */ + sal_uInt32 nLen = pDirImpl->m_sDirectoryPath.getLength(); + if ( nLen && pDirImpl->m_sDirectoryPath[nLen - 1] != '\\' ) + pDirImpl->m_sDirectoryPath += "\\"; + + pDirImpl->uType = DIRECTORYTYPE_FILESYSTEM; + pDirImpl->hDirectory = OpenDirectory( pDirImpl->m_sDirectoryPath.pData ); + + if ( !pDirImpl->hDirectory ) + { + error = oslTranslateFileError( GetLastError() ); + + delete pDirImpl; + pDirImpl = nullptr; + } + + *pDirectory = static_cast<oslDirectory>(pDirImpl); + return error; +} + +static oslFileError osl_openNetworkServer( + rtl_uString *strSysDirPath, oslDirectory *pDirectory) +{ + NETRESOURCEW aNetResource; + HANDLE hEnum; + DWORD dwError; + + ZeroMemory( &aNetResource, sizeof(aNetResource) ); + + aNetResource.lpRemoteName = o3tl::toW(strSysDirPath->buffer); + + dwError = WNetOpenEnumW( + RESOURCE_GLOBALNET, + RESOURCETYPE_DISK, + RESOURCEUSAGE_CONNECTABLE | RESOURCEUSAGE_CONTAINER, + &aNetResource, + &hEnum ); + + if ( ERROR_SUCCESS == dwError ) + { + Directory_Impl *pDirImpl = new (std::nothrow) Directory_Impl; + assert(pDirImpl); // Don't handle OOM conditions + pDirImpl->uType = DIRECTORYTYPE_NETROOT; + pDirImpl->hDirectory = hEnum; + *pDirectory = static_cast<oslDirectory>(pDirImpl); + } + return oslTranslateFileError( dwError ); +} + +static DWORD create_dir_with_callback( + rtl_uString * dir_path, + oslDirectoryCreationCallbackFunc aDirectoryCreationCallbackFunc, + void* pData) +{ + // Create the specified directory and call the + // user specified callback function. On success + // the function returns ERROR_SUCCESS else a Win32 error code. + + bool bCreated = CreateDirectoryW( o3tl::toW(rtl_uString_getStr( dir_path )), nullptr ); + + if ( bCreated ) + { + if (aDirectoryCreationCallbackFunc) + { + OUString url; + osl_getFileURLFromSystemPath(dir_path, &(url.pData)); + aDirectoryCreationCallbackFunc(pData, url.pData); + } + return ERROR_SUCCESS; + } + return GetLastError(); +} + +static int path_make_parent(sal_Unicode* path) +{ + /* Cut off the last part of the given path to + get the parent only, e.g. 'c:\dir\subdir' -> + 'c:\dir' or '\\share\sub\dir' -> '\\share\sub' + @return The position where the path has been cut + off (this is the position of the last backslash). + If there are no more parents 0 will be returned, + e.g. 'c:\' or '\\Share' have no more parents */ + + OSL_PRECOND(rtl_ustr_indexOfChar(path, SLASH) == -1, "Path must not contain slashes"); + OSL_PRECOND(has_path_parent(path), "Path must have a parent"); + + sal_Unicode* pos_last_backslash = path + rtl_ustr_lastIndexOfChar(path, BACKSLASH); + *pos_last_backslash = 0; + return (pos_last_backslash - path); +} + +static DWORD create_dir_recursively_( + rtl_uString * dir_path, + oslDirectoryCreationCallbackFunc aDirectoryCreationCallbackFunc, + void* pData) +{ + OSL_PRECOND( + rtl_ustr_lastIndexOfChar_WithLength(dir_path->buffer, dir_path->length, BACKSLASH) != dir_path->length, + "Path must not end with a backslash"); + + DWORD w32_error = create_dir_with_callback( + dir_path, aDirectoryCreationCallbackFunc, pData); + if (w32_error == ERROR_SUCCESS) + return ERROR_SUCCESS; + + if ((w32_error != ERROR_PATH_NOT_FOUND) || !has_path_parent(dir_path->buffer)) + return w32_error; + + int pos = path_make_parent(dir_path->buffer); // dir_path->buffer[pos] = 0, restore below + + w32_error = create_dir_recursively_( + dir_path, aDirectoryCreationCallbackFunc, pData); + + dir_path->buffer[pos] = BACKSLASH; // restore + + if (ERROR_SUCCESS != w32_error && ERROR_ALREADY_EXISTS != w32_error) + return w32_error; + + return create_dir_recursively_(dir_path, aDirectoryCreationCallbackFunc, pData); +} + +oslFileError SAL_CALL osl_createDirectoryPath( + rtl_uString* aDirectoryUrl, + oslDirectoryCreationCallbackFunc aDirectoryCreationCallbackFunc, + void* pData) +{ + if (aDirectoryUrl == nullptr) + return osl_File_E_INVAL; + + OUString sys_path; + oslFileError osl_error = + osl_getSystemPathFromFileURL_(OUString::unacquired(&aDirectoryUrl), &sys_path.pData, false); + + if (osl_error != osl_File_E_None) + return osl_error; + + osl::systemPathRemoveSeparator(sys_path); + + // const_cast because sys_path is a local copy + // which we want to modify inplace instead of + // copy it into another buffer on the heap again + return oslTranslateFileError(create_dir_recursively_( + sys_path.pData, aDirectoryCreationCallbackFunc, pData)); +} + +oslFileError SAL_CALL osl_createDirectory(rtl_uString* strPath) +{ + return osl_createDirectoryWithFlags( + strPath, osl_File_OpenFlag_Read | osl_File_OpenFlag_Write); +} + +oslFileError osl_createDirectoryWithFlags(rtl_uString * strPath, sal_uInt32) +{ + OUString strSysPath; + oslFileError error = osl_getSystemPathFromFileURL_(OUString::unacquired(&strPath), &strSysPath.pData, false); + + if ( osl_File_E_None != error ) + return error; + + bool bCreated = CreateDirectoryW(o3tl::toW(strSysPath.getStr()), nullptr); + if ( !bCreated ) + { + /*@@@ToDo + The following case is a hack because the ucb or the webtop had some + problems with the error code that CreateDirectory returns in + case the path is only a logical drive, should be removed! + */ + + if ((strSysPath.getLength() == 2 || (strSysPath.getLength() == 3 && strSysPath[2] == '\\')) + && rtl::isAsciiAlpha(strSysPath[0]) && strSysPath[1] == ':') + SetLastError( ERROR_ALREADY_EXISTS ); + + error = oslTranslateFileError( GetLastError() ); + } + + return error; +} + +oslFileError SAL_CALL osl_removeDirectory(rtl_uString* strPath) +{ + OUString strSysPath; + oslFileError error = osl_getSystemPathFromFileURL_(OUString::unacquired(&strPath), &strSysPath.pData, false); + + if ( osl_File_E_None == error ) + { + if (RemoveDirectoryW(o3tl::toW(strSysPath.getStr()))) + error = osl_File_E_None; + else + error = oslTranslateFileError( GetLastError() ); + } + return error; +} + +oslFileError SAL_CALL osl_openDirectory(rtl_uString *strDirectoryPath, oslDirectory *pDirectory) +{ + oslFileError error; + + if ( 0 == rtl_ustr_ascii_compareIgnoreAsciiCase( strDirectoryPath->buffer, "file:///" ) ) + error = osl_openLocalRoot( strDirectoryPath, pDirectory ); + else + { + OUString strSysDirectoryPath; + DWORD dwPathType; + + error = osl_getSystemPathFromFileURL_(OUString::unacquired(&strDirectoryPath), &strSysDirectoryPath.pData, false); + + if ( osl_File_E_None != error ) + return error; + + dwPathType = IsValidFilePath(strSysDirectoryPath, VALIDATEPATH_NORMAL, nullptr); + + if ( dwPathType & PATHTYPE_IS_SERVER ) + error = osl_openNetworkServer(strSysDirectoryPath.pData, pDirectory); + else + error = osl_openFileDirectory(strSysDirectoryPath.pData, pDirectory); + } + return error; +} + +static oslFileError osl_getNextNetResource( + oslDirectory Directory, oslDirectoryItem *pItem, sal_uInt32 /*uHint*/ ) +{ + Directory_Impl *pDirImpl = static_cast<Directory_Impl *>(Directory); + DirectoryItem_Impl *pItemImpl = nullptr; + BYTE buffer[16384]; + LPNETRESOURCEW lpNetResource = reinterpret_cast<LPNETRESOURCEW>(buffer); + DWORD dwError, dwCount, dwBufSize; + + if ( !pItem ) + return osl_File_E_INVAL; + *pItem = nullptr; + + if ( !pDirImpl ) + return osl_File_E_INVAL; + + dwCount = 1; + dwBufSize = sizeof(buffer); + dwError = WNetEnumResourceW( pDirImpl->hDirectory, &dwCount, lpNetResource, &dwBufSize ); + + switch ( dwError ) + { + case NO_ERROR: + case ERROR_MORE_DATA: + { + pItemImpl = new (std::nothrow) DirectoryItem_Impl; + if ( !pItemImpl ) + return osl_File_E_NOMEM; + + pItemImpl->uType = DIRECTORYITEM_DRIVE; + osl_acquireDirectoryItem( static_cast<oslDirectoryItem>(pItemImpl) ); + + wcscpy( pItemImpl->cDriveString, lpNetResource->lpRemoteName ); + + *pItem = pItemImpl; + } + return osl_File_E_None; + case ERROR_NO_MORE_ITEMS: + return osl_File_E_NOENT; + default: + return oslTranslateFileError( dwError ); + } +} + +static oslFileError osl_getNextDrive( + oslDirectory Directory, oslDirectoryItem *pItem, sal_uInt32 /*uHint*/ ) +{ + Directory_Impl *pDirImpl = static_cast<Directory_Impl *>(Directory); + DirectoryItem_Impl *pItemImpl = nullptr; + bool fSuccess; + + if ( !pItem ) + return osl_File_E_INVAL; + *pItem = nullptr; + + if ( !pDirImpl ) + return osl_File_E_INVAL; + + pItemImpl = new (std::nothrow) DirectoryItem_Impl; + if ( !pItemImpl ) + return osl_File_E_NOMEM; + + pItemImpl->uType = DIRECTORYITEM_DRIVE; + osl_acquireDirectoryItem( static_cast<oslDirectoryItem>(pItemImpl) ); + fSuccess = EnumLogicalDrives( pDirImpl->hEnumDrives, pItemImpl->cDriveString ); + + if ( fSuccess ) + { + *pItem = pItemImpl; + return osl_File_E_None; + } + else + { + delete pItemImpl; + return oslTranslateFileError( GetLastError() ); + } +} + +static oslFileError osl_getNextFileItem( + oslDirectory Directory, oslDirectoryItem *pItem, sal_uInt32 /*uHint*/) +{ + Directory_Impl *pDirImpl = static_cast<Directory_Impl *>(Directory); + DirectoryItem_Impl *pItemImpl = nullptr; + bool fFound; + + if ( !pItem ) + return osl_File_E_INVAL; + *pItem = nullptr; + + if ( !pDirImpl ) + return osl_File_E_INVAL; + + pItemImpl = new (std::nothrow) DirectoryItem_Impl; + if ( !pItemImpl ) + return osl_File_E_NOMEM; + + fFound = EnumDirectory( pDirImpl->hDirectory, &pItemImpl->FindData ); + if ( !fFound ) + { + delete pItemImpl; + return oslTranslateFileError( GetLastError() ); + } + + pItemImpl->uType = DIRECTORYITEM_FILE; + pItemImpl->nRefCount = 1; + + pItemImpl->m_sFullPath = pDirImpl->m_sDirectoryPath + o3tl::toU(pItemImpl->FindData.cFileName); + + pItemImpl->bFullPathNormalized = true; + *pItem = static_cast<oslDirectoryItem>(pItemImpl); + return osl_File_E_None; +} + +oslFileError SAL_CALL osl_getNextDirectoryItem( + oslDirectory Directory, oslDirectoryItem *pItem, sal_uInt32 uHint) +{ + Directory_Impl *pDirImpl = static_cast<Directory_Impl *>(Directory); + + /* Assume failure */ + + if ( !pItem ) + return osl_File_E_INVAL; + *pItem = nullptr; + + if ( !pDirImpl ) + return osl_File_E_INVAL; + + switch ( pDirImpl->uType ) + { + case DIRECTORYTYPE_LOCALROOT: + return osl_getNextDrive( Directory, pItem, uHint ); + case DIRECTORYTYPE_NETROOT: + return osl_getNextNetResource( Directory, pItem, uHint ); + case DIRECTORYTYPE_FILESYSTEM: + return osl_getNextFileItem( Directory, pItem, uHint ); + default: + return osl_File_E_INVAL; + } +} + +oslFileError SAL_CALL osl_closeDirectory(oslDirectory Directory) +{ + Directory_Impl *pDirImpl = static_cast<Directory_Impl *>(Directory); + oslFileError eError = osl_File_E_INVAL; + + if ( pDirImpl ) + { + switch ( pDirImpl->uType ) + { + case DIRECTORYTYPE_FILESYSTEM: + eError = CloseDirectory( pDirImpl->hDirectory ) ? osl_File_E_None : oslTranslateFileError( GetLastError() ); + break; + case DIRECTORYTYPE_LOCALROOT: + eError = CloseLogicalDrivesEnum( pDirImpl->hEnumDrives ) ? osl_File_E_None : oslTranslateFileError( GetLastError() ); + break; + case DIRECTORYTYPE_NETROOT: + { + DWORD err = WNetCloseEnum(pDirImpl->hDirectory); + eError = (err == NO_ERROR) ? osl_File_E_None : oslTranslateFileError(err); + } + break; + default: + OSL_FAIL( "Invalid directory type" ); + break; + } + + delete pDirImpl; + } + return eError; +} + +namespace { + +/* Different types of paths */ +enum PATHTYPE +{ + PATHTYPE_SYNTAXERROR = 0, + PATHTYPE_NETROOT, + PATHTYPE_NETSERVER, + PATHTYPE_VOLUME, + PATHTYPE_FILE +}; + +} + +oslFileError SAL_CALL osl_getDirectoryItem(rtl_uString *strFilePath, oslDirectoryItem *pItem) +{ + oslFileError error = osl_File_E_None; + OUString strSysFilePath; + PATHTYPE type = PATHTYPE_FILE; + DWORD dwPathType; + + /* Assume failure */ + + if ( !pItem ) + return osl_File_E_INVAL; + + *pItem = nullptr; + + error = osl_getSystemPathFromFileURL_(OUString::unacquired(&strFilePath), &strSysFilePath.pData, false); + + if ( osl_File_E_None != error ) + return error; + + dwPathType = IsValidFilePath( strSysFilePath, VALIDATEPATH_NORMAL, nullptr ); + + if ( dwPathType & PATHTYPE_IS_VOLUME ) + type = PATHTYPE_VOLUME; + else if ( dwPathType & PATHTYPE_IS_SERVER ) + type = PATHTYPE_NETSERVER; + else + type = PATHTYPE_FILE; + + switch ( type ) + { + case PATHTYPE_NETSERVER: + { + DirectoryItem_Impl* pItemImpl = new (std::nothrow) DirectoryItem_Impl; + + if ( !pItemImpl ) + error = osl_File_E_NOMEM; + + if ( osl_File_E_None == error ) + { + pItemImpl->uType = DIRECTORYITEM_SERVER; + + osl_acquireDirectoryItem( static_cast<oslDirectoryItem>(pItemImpl) ); + pItemImpl->m_sFullPath = strSysFilePath; + + // Assign a title anyway + { + int iSrc = 2; + int iDst = 0; + + while( iSrc < strSysFilePath.getLength() && strSysFilePath[iSrc] && strSysFilePath[iSrc] != '\\') + { + pItemImpl->FindData.cFileName[iDst++] = strSysFilePath[iSrc++]; + } + } + + *pItem = pItemImpl; + } + } + break; + case PATHTYPE_VOLUME: + { + DirectoryItem_Impl* pItemImpl = new (std::nothrow) DirectoryItem_Impl; + + if ( !pItemImpl ) + error = osl_File_E_NOMEM; + + if ( osl_File_E_None == error ) + { + pItemImpl->uType = DIRECTORYITEM_DRIVE; + + osl_acquireDirectoryItem( static_cast<oslDirectoryItem>(pItemImpl) ); + + wcscpy( pItemImpl->cDriveString, o3tl::toW(strSysFilePath.getStr()) ); + pItemImpl->cDriveString[0] = rtl::toAsciiUpperCase( pItemImpl->cDriveString[0] ); + + if ( pItemImpl->cDriveString[wcslen(pItemImpl->cDriveString) - 1] != '\\' ) + wcscat( pItemImpl->cDriveString, L"\\" ); + + *pItem = pItemImpl; + } + } + break; + case PATHTYPE_SYNTAXERROR: + case PATHTYPE_NETROOT: + case PATHTYPE_FILE: + { + HANDLE hFind; + WIN32_FIND_DATAW aFindData; + + if (!strSysFilePath.isEmpty() && strSysFilePath[strSysFilePath.getLength() - 1] == '\\') + strSysFilePath = strSysFilePath.copy(0, strSysFilePath.getLength() - 1); + + hFind = FindFirstFileW( o3tl::toW(strSysFilePath.getStr()), &aFindData ); + + if ( hFind != INVALID_HANDLE_VALUE ) + { + DirectoryItem_Impl *pItemImpl = new (std::nothrow) DirectoryItem_Impl; + if (!pItemImpl) + error = osl_File_E_NOMEM; + + if (osl_File_E_None == error) + { + osl_acquireDirectoryItem(static_cast<oslDirectoryItem>(pItemImpl)); + + CopyMemory(&pItemImpl->FindData, &aFindData, sizeof(WIN32_FIND_DATAW)); + pItemImpl->m_sFullPath = strSysFilePath; + + pItemImpl->uType = DIRECTORYITEM_FILE; + *pItem = pItemImpl; + } + + FindClose( hFind ); + } + else + error = oslTranslateFileError( GetLastError() ); + } + break; + } + + return error; +} + +oslFileError SAL_CALL osl_acquireDirectoryItem( oslDirectoryItem Item ) +{ + DirectoryItem_Impl *pItemImpl = static_cast<DirectoryItem_Impl *>(Item); + + if ( !pItemImpl ) + return osl_File_E_INVAL; + + pItemImpl->nRefCount++; + return osl_File_E_None; +} + +oslFileError SAL_CALL osl_releaseDirectoryItem( oslDirectoryItem Item ) +{ + DirectoryItem_Impl *pItemImpl = static_cast<DirectoryItem_Impl *>(Item); + + if ( !pItemImpl ) + return osl_File_E_INVAL; + + if ( ! --pItemImpl->nRefCount ) + delete pItemImpl; + + return osl_File_E_None; +} + +sal_Bool +SAL_CALL osl_identicalDirectoryItem( oslDirectoryItem a, oslDirectoryItem b) +{ + DirectoryItem_Impl *pA = static_cast<DirectoryItem_Impl *>(a); + DirectoryItem_Impl *pB = static_cast<DirectoryItem_Impl *>(b); + if (a == b) + return true; + /* same name => same item, unless renaming / moving madness has occurred */ + if (pA->m_sFullPath == pB->m_sFullPath) + return true; + + // FIXME: as/when/if this is used in anger on Windows we could + // do better here. + + return false; +} + +static bool is_floppy_A_present() +{ return (GetLogicalDrives() & 1); } + +static bool is_floppy_B_present() +{ return (GetLogicalDrives() & 2); } + +static bool is_floppy_volume_mount_point(const OUString& path) +{ + // determines if a volume mount point shows to a floppy + // disk by comparing the unique volume names + static const LPCWSTR FLOPPY_A = L"A:\\"; + static const LPCWSTR FLOPPY_B = L"B:\\"; + + OUString p(path); + osl::systemPathEnsureSeparator(p); + + WCHAR vn[51]; + if (GetVolumeNameForVolumeMountPointW(o3tl::toW(p.getStr()), vn, SAL_N_ELEMENTS(vn))) + { + WCHAR vnfloppy[51]; + if (is_floppy_A_present() && + GetVolumeNameForVolumeMountPointW(FLOPPY_A, vnfloppy, SAL_N_ELEMENTS(vnfloppy)) && + (0 == wcscmp(vn, vnfloppy))) + return true; + + if (is_floppy_B_present() && + GetVolumeNameForVolumeMountPointW(FLOPPY_B, vnfloppy, SAL_N_ELEMENTS(vnfloppy)) && + (0 == wcscmp(vn, vnfloppy))) + return true; + } + return false; +} + +static bool is_floppy_drive(const OUString& path) +{ + static const LPCWSTR FLOPPY_DRV_LETTERS = L"AaBb"; + + // we must take into account that even a floppy + // drive may be mounted to a directory so checking + // for the drive letter alone is not sufficient + // we must compare the unique volume name with + // that of the available floppy disks + + const sal_Unicode* pszPath = path.getStr(); + return ((wcschr(FLOPPY_DRV_LETTERS, pszPath[0]) && (L':' == pszPath[1])) || is_floppy_volume_mount_point(path)); +} + +static bool is_volume_mount_point(const OUString& path) +{ + OUString p(path); + osl::systemPathRemoveSeparator(p); + + if (is_floppy_drive(p)) + return false; + + DWORD fattr = GetFileAttributesW(o3tl::toW(p.getStr())); + if ((INVALID_FILE_ATTRIBUTES == fattr) || + !(FILE_ATTRIBUTE_REPARSE_POINT & fattr)) + return false; + + bool is_volume_root = false; + WIN32_FIND_DATAW find_data; + HANDLE h_find = FindFirstFileW(o3tl::toW(p.getStr()), &find_data); + + if (IsValidHandle(h_find) && + (FILE_ATTRIBUTE_REPARSE_POINT & find_data.dwFileAttributes) && + (IO_REPARSE_TAG_MOUNT_POINT == find_data.dwReserved0)) + { + is_volume_root = true; + } + if (IsValidHandle(h_find)) + FindClose(h_find); + return is_volume_root; +} + +static UINT get_volume_mount_point_drive_type(const OUString& path) +{ + if (0 == path.getLength()) + return GetDriveTypeW(nullptr); + + OUString p(path); + osl::systemPathEnsureSeparator(p); + + WCHAR vn[51]; + if (GetVolumeNameForVolumeMountPointW(o3tl::toW(p.getStr()), vn, SAL_N_ELEMENTS(vn))) + return GetDriveTypeW(vn); + + return DRIVE_NO_ROOT_DIR; +} + +static bool is_drivetype_request(sal_uInt32 field_mask) +{ + return (field_mask & osl_VolumeInfo_Mask_Attributes); +} + +static oslFileError osl_get_drive_type( + const OUString& path, oslVolumeInfo* pInfo) +{ + // GetDriveType fails on empty volume mount points + // see Knowledge Base Q244089 + UINT drive_type; + if (is_volume_mount_point(path)) + drive_type = get_volume_mount_point_drive_type(path); + else + drive_type = GetDriveTypeW(o3tl::toW(path.getStr())); + + if (DRIVE_NO_ROOT_DIR == drive_type) + return oslTranslateFileError(ERROR_INVALID_DRIVE); + + pInfo->uValidFields |= osl_VolumeInfo_Mask_Attributes; + + switch (drive_type) + { + case DRIVE_CDROM: + pInfo->uAttributes |= osl_Volume_Attribute_CompactDisc | osl_Volume_Attribute_Removeable; + break; + case DRIVE_REMOVABLE: + pInfo->uAttributes |= osl_Volume_Attribute_Removeable; + if (is_floppy_drive(path)) + pInfo->uAttributes |= osl_Volume_Attribute_FloppyDisk; + break; + case DRIVE_FIXED: + pInfo->uAttributes |= osl_Volume_Attribute_FixedDisk; + break; + case DRIVE_RAMDISK: + pInfo->uAttributes |= osl_Volume_Attribute_RAMDisk; + break; + case DRIVE_REMOTE: + pInfo->uAttributes |= osl_Volume_Attribute_Remote; + break; + case DRIVE_UNKNOWN: + pInfo->uAttributes = 0; + break; + default: + pInfo->uValidFields &= ~osl_VolumeInfo_Mask_Attributes; + pInfo->uAttributes = 0; + break; + } + return osl_File_E_None; +} + +static bool is_volume_space_info_request(sal_uInt32 field_mask) +{ + return (field_mask & + (osl_VolumeInfo_Mask_TotalSpace | + osl_VolumeInfo_Mask_UsedSpace | + osl_VolumeInfo_Mask_FreeSpace)); +} + +static void get_volume_space_information( + const OUString& path, oslVolumeInfo *pInfo) +{ + bool ret = GetDiskFreeSpaceExW( + o3tl::toW(path.getStr()), + reinterpret_cast<PULARGE_INTEGER>(&pInfo->uFreeSpace), + reinterpret_cast<PULARGE_INTEGER>(&pInfo->uTotalSpace), + nullptr); + + if (ret) + { + pInfo->uUsedSpace = pInfo->uTotalSpace - pInfo->uFreeSpace; + pInfo->uValidFields |= osl_VolumeInfo_Mask_TotalSpace | + osl_VolumeInfo_Mask_UsedSpace | + osl_VolumeInfo_Mask_FreeSpace; + } +} + +static bool is_filesystem_attributes_request(sal_uInt32 field_mask) +{ + return (field_mask & + (osl_VolumeInfo_Mask_MaxNameLength | + osl_VolumeInfo_Mask_MaxPathLength | + osl_VolumeInfo_Mask_FileSystemName | + osl_VolumeInfo_Mask_FileSystemCaseHandling)); +} + +static oslFileError get_filesystem_attributes( + const OUString& path, sal_uInt32 field_mask, oslVolumeInfo* pInfo) +{ + pInfo->uAttributes = 0; + + // osl_get_drive_type must be called first because + // this function resets osl_VolumeInfo_Mask_Attributes + // on failure + if (is_drivetype_request(field_mask)) + { + oslFileError osl_error = osl_get_drive_type(path, pInfo); + if (osl_File_E_None != osl_error) + return osl_error; + } + if (is_filesystem_attributes_request(field_mask)) + { + /* the following two parameters can not be longer than MAX_PATH+1 */ + WCHAR vn[MAX_PATH+1]; + WCHAR fsn[MAX_PATH+1]; + + DWORD serial; + DWORD mcl; + DWORD flags; + + LPCWSTR pszPath = o3tl::toW(path.getStr()); + if (GetVolumeInformationW(pszPath, vn, MAX_PATH+1, &serial, &mcl, &flags, fsn, MAX_PATH+1)) + { + // Currently sal does not use this value, instead MAX_PATH is used + pInfo->uValidFields |= osl_VolumeInfo_Mask_MaxNameLength; + pInfo->uMaxNameLength = mcl; + + // Should the uMaxPathLength be set to 32767, "\\?\" prefix allows it + pInfo->uValidFields |= osl_VolumeInfo_Mask_MaxPathLength; + pInfo->uMaxPathLength = MAX_PATH; + + pInfo->uValidFields |= osl_VolumeInfo_Mask_FileSystemName; + rtl_uString_newFromStr(&pInfo->ustrFileSystemName, o3tl::toU(fsn)); + + // volumes (even NTFS) will always be considered case + // insensitive because the Win32 API is not able to + // deal with case sensitive volumes see M$ Knowledge Base + // article 100625 that's why we never set the attribute + // osl_Volume_Attribute_Case_Sensitive + + if (flags & FS_CASE_IS_PRESERVED) + pInfo->uAttributes |= osl_Volume_Attribute_Case_Is_Preserved; + + pInfo->uValidFields |= osl_VolumeInfo_Mask_Attributes; + } + } + return osl_File_E_None; +} + +static bool path_get_parent(OUString& path) +{ + OSL_PRECOND(path.lastIndexOf(SLASH) == -1, "Path must not have slashes"); + + if (!has_path_parent(path)) + { + sal_Int32 i = path.lastIndexOf(BACKSLASH); + if (-1 < i) + { + path = OUString(path.getStr(), i); + return true; + } + } + return false; +} + +static void path_travel_to_volume_root(const OUString& system_path, OUString& volume_root) +{ + OUString sys_path(system_path); + + while(!is_volume_mount_point(sys_path) && path_get_parent(sys_path)) + /**/; + + volume_root = sys_path; + osl::systemPathEnsureSeparator(volume_root); +} + +oslFileError SAL_CALL osl_getVolumeInformation( + rtl_uString *ustrURL, oslVolumeInfo *pInfo, sal_uInt32 uFieldMask ) +{ + if (!pInfo) + return osl_File_E_INVAL; + + OUString system_path; + oslFileError error = osl_getSystemPathFromFileURL_(OUString::unacquired(&ustrURL), &system_path.pData, false); + + if (osl_File_E_None != error) + return error; + + OUString volume_root; + path_travel_to_volume_root(system_path, volume_root); + + pInfo->uValidFields = 0; + + if ((error = get_filesystem_attributes(volume_root, uFieldMask, pInfo)) != osl_File_E_None) + return error; + + if (is_volume_space_info_request(uFieldMask)) + get_volume_space_information(volume_root, pInfo); + + if (uFieldMask & osl_VolumeInfo_Mask_DeviceHandle) + { + error = osl_getFileURLFromSystemPath(volume_root.pData, reinterpret_cast<rtl_uString**>(&pInfo->pDeviceHandle)); + if (error != osl_File_E_None) + return error; + pInfo->uValidFields |= osl_VolumeInfo_Mask_DeviceHandle; + } + + return osl_File_E_None; +} + +static oslFileError osl_getDriveInfo( + oslDirectoryItem Item, oslFileStatus *pStatus, sal_uInt32 uFieldMask) +{ + DirectoryItem_Impl *pItemImpl = static_cast<DirectoryItem_Impl *>(Item); + WCHAR cDrive[3] = L"A:"; + WCHAR cRoot[4] = L"A:\\"; + + if ( !pItemImpl ) + return osl_File_E_INVAL; + + pStatus->uValidFields = 0; + + cDrive[0] = pItemImpl->cDriveString[0]; + cRoot[0] = pItemImpl->cDriveString[0]; + + if ( uFieldMask & osl_FileStatus_Mask_FileName ) + { + if ( pItemImpl->cDriveString[0] == '\\' && pItemImpl->cDriveString[1] == '\\' ) + { + LPCWSTR lpFirstBkSlash = wcschr( &pItemImpl->cDriveString[2], '\\' ); + + if ( lpFirstBkSlash && lpFirstBkSlash[1] ) + { + LPCWSTR lpLastBkSlash = wcschr( &lpFirstBkSlash[1], '\\' ); + + if ( lpLastBkSlash ) + rtl_uString_newFromStr_WithLength( &pStatus->ustrFileName, o3tl::toU(&lpFirstBkSlash[1]), lpLastBkSlash - lpFirstBkSlash - 1 ); + else + rtl_uString_newFromStr( &pStatus->ustrFileName, o3tl::toU(&lpFirstBkSlash[1]) ); + pStatus->uValidFields |= osl_FileStatus_Mask_FileName; + } + } + else switch ( GetDriveTypeW( cRoot ) ) + { + case DRIVE_REMOTE: + { + WCHAR szBuffer[1024]; + DWORD const dwBufsizeConst = SAL_N_ELEMENTS(szBuffer); + DWORD dwBufsize = dwBufsizeConst; + + DWORD dwResult = WNetGetConnectionW( cDrive, szBuffer, &dwBufsize ); + if ( NO_ERROR == dwResult ) + { + WCHAR szFileName[dwBufsizeConst + 16]; + + swprintf( szFileName, L"%s [%s]", cDrive, szBuffer ); + rtl_uString_newFromStr( &pStatus->ustrFileName, o3tl::toU(szFileName) ); + } + else + rtl_uString_newFromStr( &pStatus->ustrFileName, o3tl::toU(cDrive) ); + } + pStatus->uValidFields |= osl_FileStatus_Mask_FileName; + break; + case DRIVE_FIXED: + { + WCHAR szVolumeNameBuffer[1024]; + DWORD const dwBufsizeConst = SAL_N_ELEMENTS(szVolumeNameBuffer); + + if ( GetVolumeInformationW( cRoot, szVolumeNameBuffer, dwBufsizeConst, nullptr, nullptr, nullptr, nullptr, 0 ) ) + { + WCHAR szFileName[dwBufsizeConst + 16]; + + swprintf( szFileName, L"%s [%s]", cDrive, szVolumeNameBuffer ); + rtl_uString_newFromStr( &pStatus->ustrFileName, o3tl::toU(szFileName) ); + } + else + rtl_uString_newFromStr( &pStatus->ustrFileName, o3tl::toU(cDrive) ); + } + pStatus->uValidFields |= osl_FileStatus_Mask_FileName; + break; + case DRIVE_CDROM: + case DRIVE_REMOVABLE: + pStatus->uValidFields |= osl_FileStatus_Mask_FileName; + rtl_uString_newFromStr( &pStatus->ustrFileName, o3tl::toU(cRoot) ); + break; + case DRIVE_UNKNOWN: + default: + break; + } + } + + pStatus->eType = osl_File_Type_Volume; + pStatus->uValidFields |= osl_FileStatus_Mask_Type; + + if ( uFieldMask & osl_FileStatus_Mask_FileURL ) + { + rtl_uString *ustrSystemPath = nullptr; + + rtl_uString_newFromStr( &ustrSystemPath, o3tl::toU(pItemImpl->cDriveString) ); + oslFileError error = osl_getFileURLFromSystemPath( ustrSystemPath, &pStatus->ustrFileURL ); + rtl_uString_release( ustrSystemPath ); + if (error != osl_File_E_None) + return error; + pStatus->uValidFields |= osl_FileStatus_Mask_FileURL; + } + return osl_File_E_None; +} + +static oslFileError osl_getServerInfo( + oslDirectoryItem Item, oslFileStatus *pStatus, sal_uInt32 uFieldMask ) +{ + DirectoryItem_Impl *pItemImpl = static_cast<DirectoryItem_Impl *>(Item); + if ( !pItemImpl ) + return osl_File_E_INVAL; + + pStatus->uValidFields = 0; + pStatus->eType = osl_File_Type_Directory; + pStatus->uValidFields |= osl_FileStatus_Mask_Type; + + if ( uFieldMask & osl_FileStatus_Mask_FileURL ) + { + oslFileError error = osl_getFileURLFromSystemPath( pItemImpl->m_sFullPath.pData, &pStatus->ustrFileURL ); + if (error != osl_File_E_None) + return error; + pStatus->uValidFields |= osl_FileStatus_Mask_FileURL; + } + return osl_File_E_None; +} + +oslFileError SAL_CALL osl_getFileStatus( + oslDirectoryItem Item, + oslFileStatus *pStatus, + sal_uInt32 uFieldMask ) +{ + DirectoryItem_Impl *pItemImpl = static_cast<DirectoryItem_Impl *>(Item); + + if ( !pItemImpl ) + return osl_File_E_INVAL; + + switch ( pItemImpl->uType ) + { + case DIRECTORYITEM_DRIVE: + return osl_getDriveInfo( Item, pStatus, uFieldMask ); + case DIRECTORYITEM_SERVER: + return osl_getServerInfo( Item, pStatus, uFieldMask ); + default: + break; + } + + OUString sFullPath(pItemImpl->m_sFullPath); + + // Prefix long paths, windows API calls expect this prefix + // (only local paths starting with something like C: or D:) + if (sFullPath.getLength() >= MAX_PATH && isalpha(sFullPath[0]) && sFullPath[1] == ':') + sFullPath = "\\\\?\\" + sFullPath; + + if ( uFieldMask & osl_FileStatus_Mask_Validate ) + { + HANDLE hFind = FindFirstFileW( o3tl::toW(sFullPath.getStr() ), &pItemImpl->FindData ); + + if ( hFind != INVALID_HANDLE_VALUE ) + FindClose( hFind ); + else + return oslTranslateFileError( GetLastError() ); + + uFieldMask &= ~ osl_FileStatus_Mask_Validate; + } + + /* If no fields to retrieve left ignore pStatus */ + if ( !uFieldMask ) + return osl_File_E_None; + + /* Otherwise, this must be a valid pointer */ + if ( !pStatus ) + return osl_File_E_INVAL; + + if ( pStatus->uStructSize != sizeof(oslFileStatus) ) + return osl_File_E_INVAL; + + pStatus->uValidFields = 0; + + /* File time stamps */ + + if ( (uFieldMask & osl_FileStatus_Mask_ModifyTime) && + FileTimeToTimeValue( &pItemImpl->FindData.ftLastWriteTime, &pStatus->aModifyTime ) ) + pStatus->uValidFields |= osl_FileStatus_Mask_ModifyTime; + + if ( (uFieldMask & osl_FileStatus_Mask_AccessTime) && + FileTimeToTimeValue( &pItemImpl->FindData.ftLastAccessTime, &pStatus->aAccessTime ) ) + pStatus->uValidFields |= osl_FileStatus_Mask_AccessTime; + + if ( (uFieldMask & osl_FileStatus_Mask_CreationTime) && + FileTimeToTimeValue( &pItemImpl->FindData.ftCreationTime, &pStatus->aCreationTime ) ) + pStatus->uValidFields |= osl_FileStatus_Mask_CreationTime; + + /* Most of the fields are already set, regardless of required fields */ + + rtl_uString_newFromStr( &pStatus->ustrFileName, o3tl::toU(pItemImpl->FindData.cFileName) ); + pStatus->uValidFields |= osl_FileStatus_Mask_FileName; + + if ((FILE_ATTRIBUTE_REPARSE_POINT & pItemImpl->FindData.dwFileAttributes) && + (IO_REPARSE_TAG_MOUNT_POINT == pItemImpl->FindData.dwReserved0)) + pStatus->eType = osl_File_Type_Volume; + else if (pItemImpl->FindData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) + pStatus->eType = osl_File_Type_Directory; + else + pStatus->eType = osl_File_Type_Regular; + + pStatus->uValidFields |= osl_FileStatus_Mask_Type; + + pStatus->uAttributes = pItemImpl->FindData.dwFileAttributes; + pStatus->uValidFields |= osl_FileStatus_Mask_Attributes; + + pStatus->uFileSize = static_cast<sal_uInt64>(pItemImpl->FindData.nFileSizeLow) + (static_cast<sal_uInt64>(pItemImpl->FindData.nFileSizeHigh) << 32); + pStatus->uValidFields |= osl_FileStatus_Mask_FileSize; + + if ( uFieldMask & osl_FileStatus_Mask_LinkTargetURL ) + { + oslFileError error = osl_getFileURLFromSystemPath( sFullPath.pData, &pStatus->ustrLinkTargetURL ); + if (error != osl_File_E_None) + return error; + + pStatus->uValidFields |= osl_FileStatus_Mask_LinkTargetURL; + } + + if ( uFieldMask & osl_FileStatus_Mask_FileURL ) + { + if ( !pItemImpl->bFullPathNormalized ) + { + ::osl::LongPathBuffer<sal_Unicode> aBuffer(MAX_LONG_PATH); + sal_uInt32 nNewLen = GetLongPathNameW(o3tl::toW(sFullPath.getStr()), o3tl::toW(aBuffer), + aBuffer.getBufSizeInSymbols()); + + if ( nNewLen ) + { + /* Capitalizes drive name (single letter). Windows file paths are processed + case-sensitively. While parsing a path, function osl_DirectoryItem has case + PATHTYPE_VOLUME for drives, and capitalizes them. That can be overwritten by + function osl_getFileStatus, in it win32 api GetLongPathNameW does no + capitalization. Thus it needs to be postprocessed.*/ + sal_Int32 nIndex = rtl_ustr_indexOfChar(aBuffer, ':'); + if (nIndex > 0) { + aBuffer[nIndex - 1] = rtl::toAsciiUpperCase(aBuffer[nIndex - 1]); + } + + pItemImpl->m_sFullPath = OUString(&*aBuffer, nNewLen); + sFullPath = pItemImpl->m_sFullPath; + pItemImpl->bFullPathNormalized = true; + } + } + + oslFileError error = osl_getFileURLFromSystemPath( sFullPath.pData, &pStatus->ustrFileURL ); + if (error != osl_File_E_None) + return error; + pStatus->uValidFields |= osl_FileStatus_Mask_FileURL; + } + + return osl_File_E_None; +} + +oslFileError SAL_CALL osl_setFileAttributes( + rtl_uString *ustrFileURL, + sal_uInt64 uAttributes ) +{ + oslFileError error; + OUString ustrSysPath; + DWORD dwFileAttributes; + bool fSuccess; + + // Converts the normalized path into a systempath + error = osl_getSystemPathFromFileURL_(OUString::unacquired(&ustrFileURL), &ustrSysPath.pData, false); + + if ( osl_File_E_None != error ) + return error; + + dwFileAttributes = GetFileAttributesW(o3tl::toW(ustrSysPath.getStr())); + + if ( DWORD(-1) != dwFileAttributes ) + { + dwFileAttributes &= ~(FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN); + + if ( uAttributes & osl_File_Attribute_ReadOnly ) + dwFileAttributes |= FILE_ATTRIBUTE_READONLY; + + if ( uAttributes & osl_File_Attribute_Hidden ) + dwFileAttributes |= FILE_ATTRIBUTE_HIDDEN; + + fSuccess = SetFileAttributesW(o3tl::toW(ustrSysPath.getStr()), dwFileAttributes); + } + else + { + fSuccess = false; + } + + if ( !fSuccess ) + error = oslTranslateFileError( GetLastError() ); + + return error; +} + +oslFileError SAL_CALL osl_setFileTime( + rtl_uString *filePath, + const TimeValue *aCreationTime, + const TimeValue *aLastAccessTime, + const TimeValue *aLastWriteTime) +{ + oslFileError error; + OUString sysPath; + FILETIME *lpCreationTime=nullptr; + FILETIME *lpLastAccessTime=nullptr; + FILETIME *lpLastWriteTime=nullptr; + FILETIME ftCreationTime; + FILETIME ftLastAccessTime; + FILETIME ftLastWriteTime; + HANDLE hFile; + bool fSuccess; + + error=osl_getSystemPathFromFileURL_(OUString::unacquired(&filePath), &sysPath.pData, false); + + if (error==osl_File_E_INVAL) + return error; + + hFile=CreateFileW(o3tl::toW(sysPath.getStr()), GENERIC_WRITE, 0, nullptr , OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr); + + if (hFile==INVALID_HANDLE_VALUE) + return osl_File_E_NOENT; + + if (TimeValueToFileTime(aCreationTime, &ftCreationTime)) + lpCreationTime=&ftCreationTime; + + if (TimeValueToFileTime(aLastAccessTime, &ftLastAccessTime)) + lpLastAccessTime=&ftLastAccessTime; + + if (TimeValueToFileTime(aLastWriteTime, &ftLastWriteTime)) + lpLastWriteTime=&ftLastWriteTime; + + fSuccess=SetFileTime(hFile, lpCreationTime, lpLastAccessTime, lpLastWriteTime); + + CloseHandle(hFile); + + if (!fSuccess) + return osl_File_E_INVAL; + else + return osl_File_E_None; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |