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|
/* -*- 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>
static const wchar_t UNC_PREFIX[] = L"\\\\";
static const wchar_t BACKSLASH = '\\';
static 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(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
struct DirectoryItem_Impl
{
UINT uType;
union {
WIN32_FIND_DATAW FindData;
WCHAR cDriveString[MAX_PATH];
};
rtl_uString* m_pFullPath;
BOOL bFullPathNormalized;
int nRefCount;
};
#define DIRECTORYTYPE_LOCALROOT 0
#define DIRECTORYTYPE_NETROOT 1
#define DIRECTORYTYPE_FILESYSTEM 3
struct Directory_Impl
{
UINT uType;
union {
HANDLE hDirectory;
HANDLE hEnumDrives;
};
rtl_uString* m_pDirectoryPath;
};
typedef struct tagDRIVEENUM
{
LPCWSTR lpIdent;
WCHAR cBuffer[/*('Z' - 'A' + 1) * sizeof("A:\\") + 1*/256];
LPCWSTR lpCurrent;
} DRIVEENUM, * PDRIVEENUM, FAR * 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)
{
bool fSuccess = FALSE;
LPDRIVEENUM pEnum = static_cast<LPDRIVEENUM>(hEnum);
if ( pEnum )
{
int nLen = wcslen( pEnum->lpCurrent );
if ( nLen )
{
CopyMemory( lpBuffer, pEnum->lpCurrent, (nLen + 1) * sizeof(WCHAR) );
pEnum->lpCurrent += nLen + 1;
fSuccess = TRUE;
}
else
SetLastError( ERROR_NO_MORE_FILES );
}
else
SetLastError( ERROR_INVALID_HANDLE );
return fSuccess;
}
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;
}
typedef struct tagDIRECTORY
{
HANDLE hFind;
WIN32_FIND_DATAW aFirstData;
} DIRECTORY, *PDIRECTORY, FAR *LPDIRECTORY;
static HANDLE WINAPI OpenDirectory( rtl_uString* pPath)
{
LPDIRECTORY pDirectory = nullptr;
if ( pPath )
{
sal_uInt32 nLen = rtl_uString_getLength( pPath );
if ( nLen )
{
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 );
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)
{
bool fSuccess = FALSE;
LPDIRECTORY pDirectory = static_cast<LPDIRECTORY>(hDirectory);
if ( pDirectory )
{
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 );
}
else
SetLastError( ERROR_INVALID_HANDLE );
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)
{
rtl_uString *strSysPath = nullptr;
oslFileError error;
if ( !pDirectory )
return osl_File_E_INVAL;
*pDirectory = nullptr;
error = osl_getSystemPathFromFileURL_( strDirectoryPath, &strSysPath, false );
if ( osl_File_E_None == error )
{
Directory_Impl *pDirImpl;
pDirImpl = static_cast<Directory_Impl*>(malloc( sizeof(Directory_Impl)));
assert(pDirImpl); // Don't handle OOM conditions
ZeroMemory( pDirImpl, sizeof(Directory_Impl) );
rtl_uString_newFromString( &pDirImpl->m_pDirectoryPath, strSysPath );
/* Append backslash if necessary */
/* @@@ToDo
use function ensure backslash
*/
sal_uInt32 nLen = rtl_uString_getLength( pDirImpl->m_pDirectoryPath );
if ( nLen && pDirImpl->m_pDirectoryPath->buffer[nLen - 1] != L'\\' )
{
rtl_uString* pCurDir = nullptr;
rtl_uString* pBackSlash = nullptr;
rtl_uString_assign( &pCurDir, pDirImpl->m_pDirectoryPath );
rtl_uString_newFromAscii( &pBackSlash, "\\" );
rtl_uString_newConcat( &pDirImpl->m_pDirectoryPath, pCurDir, pBackSlash );
rtl_uString_release( pBackSlash );
rtl_uString_release( pCurDir );
}
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 )
{
if ( pDirImpl->m_pDirectoryPath )
{
rtl_uString_release( pDirImpl->m_pDirectoryPath );
pDirImpl->m_pDirectoryPath = nullptr;
}
free(pDirImpl);
pDirImpl = nullptr;
}
error = oslTranslateFileError( GetLastError() );
}
rtl_uString_release( strSysPath );
}
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 = static_cast<Directory_Impl*>(malloc(sizeof(Directory_Impl)));
assert(pDirImpl); // Don't handle OOM conditions
ZeroMemory( pDirImpl, sizeof(Directory_Impl) );
rtl_uString_newFromString( &pDirImpl->m_pDirectoryPath, strDirectoryPath );
/* Append backslash if necessary */
/* @@@ToDo
use function ensure backslash
*/
sal_uInt32 nLen = rtl_uString_getLength( pDirImpl->m_pDirectoryPath );
if ( nLen && pDirImpl->m_pDirectoryPath->buffer[nLen - 1] != L'\\' )
{
rtl_uString* pCurDir = nullptr;
rtl_uString* pBackSlash = nullptr;
rtl_uString_assign( &pCurDir, pDirImpl->m_pDirectoryPath );
rtl_uString_newFromAscii( &pBackSlash, "\\" );
rtl_uString_newConcat( &pDirImpl->m_pDirectoryPath, pCurDir, pBackSlash );
rtl_uString_release( pBackSlash );
rtl_uString_release( pCurDir );
}
pDirImpl->uType = DIRECTORYTYPE_FILESYSTEM;
pDirImpl->hDirectory = OpenDirectory( pDirImpl->m_pDirectoryPath );
if ( !pDirImpl->hDirectory )
{
error = oslTranslateFileError( GetLastError() );
if ( pDirImpl->m_pDirectoryPath )
{
rtl_uString_release( pDirImpl->m_pDirectoryPath );
pDirImpl->m_pDirectoryPath = nullptr;
}
free(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;
pDirImpl = static_cast<Directory_Impl*>(malloc(sizeof(Directory_Impl)));
assert(pDirImpl); // Don't handle OOM conditions
ZeroMemory( pDirImpl, sizeof(Directory_Impl) );
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_(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)
{
rtl_uString *strSysPath = nullptr;
oslFileError error = osl_getSystemPathFromFileURL_( strPath, &strSysPath, false );
if ( osl_File_E_None == error )
{
bool bCreated = CreateDirectoryW( o3tl::toW(rtl_uString_getStr( strSysPath )), 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!
*/
const sal_Unicode *pBuffer = rtl_uString_getStr( strSysPath );
sal_Int32 nLen = rtl_uString_getLength( strSysPath );
if (
( ( pBuffer[0] >= 'A' && pBuffer[0] <= 'Z' ) ||
( pBuffer[0] >= 'a' && pBuffer[0] <= 'z' ) ) &&
pBuffer[1] == ':' && ( nLen ==2 || ( nLen == 3 && pBuffer[2] == '\\' ) )
)
SetLastError( ERROR_ALREADY_EXISTS );
error = oslTranslateFileError( GetLastError() );
}
rtl_uString_release( strSysPath );
}
return error;
}
oslFileError SAL_CALL osl_removeDirectory(rtl_uString* strPath)
{
rtl_uString *strSysPath = nullptr;
oslFileError error = osl_getSystemPathFromFileURL_( strPath, &strSysPath, false );
if ( osl_File_E_None == error )
{
if ( RemoveDirectoryW( o3tl::toW(rtl_uString_getStr( strSysPath ) )) )
error = osl_File_E_None;
else
error = oslTranslateFileError( GetLastError() );
rtl_uString_release( strSysPath );
}
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
{
rtl_uString *strSysDirectoryPath = nullptr;
DWORD dwPathType;
error = osl_getSystemPathFromFileURL_( strDirectoryPath, &strSysDirectoryPath, false );
if ( osl_File_E_None != error )
return error;
dwPathType = IsValidFilePath( strSysDirectoryPath, VALIDATEPATH_NORMAL, nullptr );
if ( dwPathType & PATHTYPE_IS_SERVER )
{
error = osl_openNetworkServer( strSysDirectoryPath, pDirectory );
}
else
error = osl_openFileDirectory( strSysDirectoryPath, pDirectory );
rtl_uString_release( strSysDirectoryPath );
}
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 = static_cast<DirectoryItem_Impl*>(malloc(sizeof(DirectoryItem_Impl)));
if ( !pItemImpl )
return osl_File_E_NOMEM;
ZeroMemory( pItemImpl, sizeof(DirectoryItem_Impl) );
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 = static_cast<DirectoryItem_Impl*>(malloc(sizeof(DirectoryItem_Impl)));
if ( !pItemImpl )
return osl_File_E_NOMEM;
ZeroMemory( pItemImpl, sizeof(DirectoryItem_Impl) );
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
{
if ( pItemImpl->m_pFullPath )
{
rtl_uString_release( pItemImpl->m_pFullPath );
pItemImpl->m_pFullPath = nullptr;
}
free( 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 = static_cast<DirectoryItem_Impl*>(calloc(1, sizeof(DirectoryItem_Impl)));
if ( !pItemImpl )
return osl_File_E_NOMEM;
fFound = EnumDirectory( pDirImpl->hDirectory, &pItemImpl->FindData );
if ( fFound )
{
pItemImpl->uType = DIRECTORYITEM_FILE;
pItemImpl->nRefCount = 1;
rtl_uString* pTmpFileName = nullptr;
rtl_uString_newFromStr( &pTmpFileName, o3tl::toU(pItemImpl->FindData.cFileName) );
rtl_uString_newConcat( &pItemImpl->m_pFullPath, pDirImpl->m_pDirectoryPath, pTmpFileName );
rtl_uString_release( pTmpFileName );
pItemImpl->bFullPathNormalized = FALSE;
*pItem = static_cast<oslDirectoryItem>(pItemImpl);
return osl_File_E_None;
}
else
{
if ( pItemImpl->m_pFullPath )
{
rtl_uString_release( pItemImpl->m_pFullPath );
pItemImpl->m_pFullPath = nullptr;
}
free( pItemImpl );
return oslTranslateFileError( GetLastError() );
}
}
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;
}
if ( pDirImpl->m_pDirectoryPath )
{
rtl_uString_release( pDirImpl->m_pDirectoryPath );
pDirImpl->m_pDirectoryPath = nullptr;
}
free(pDirImpl);
}
return eError;
}
/* 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;
rtl_uString* strSysFilePath = nullptr;
PATHTYPE type = PATHTYPE_FILE;
DWORD dwPathType;
/* Assume failure */
if ( !pItem )
return osl_File_E_INVAL;
*pItem = nullptr;
error = osl_getSystemPathFromFileURL_( strFilePath, &strSysFilePath, 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 =
static_cast<DirectoryItem_Impl*>(malloc(sizeof(DirectoryItem_Impl)));
if ( !pItemImpl )
error = osl_File_E_NOMEM;
if ( osl_File_E_None == error )
{
ZeroMemory( pItemImpl, sizeof(DirectoryItem_Impl) );
pItemImpl->uType = DIRECTORYITEM_SERVER;
osl_acquireDirectoryItem( static_cast<oslDirectoryItem>(pItemImpl) );
rtl_uString_newFromString( &pItemImpl->m_pFullPath, strSysFilePath );
// Assign a title anyway
{
int iSrc = 2;
int iDst = 0;
while( iSrc < strSysFilePath->length && strSysFilePath->buffer[iSrc] && strSysFilePath->buffer[iSrc] != '\\' )
{
pItemImpl->FindData.cFileName[iDst++] = strSysFilePath->buffer[iSrc++];
}
}
*pItem = pItemImpl;
}
}
break;
case PATHTYPE_VOLUME:
{
DirectoryItem_Impl* pItemImpl =
static_cast<DirectoryItem_Impl*>(malloc(sizeof(DirectoryItem_Impl)));
if ( !pItemImpl )
error = osl_File_E_NOMEM;
if ( osl_File_E_None == error )
{
ZeroMemory( pItemImpl, sizeof(DirectoryItem_Impl) );
pItemImpl->uType = DIRECTORYITEM_DRIVE;
osl_acquireDirectoryItem( static_cast<oslDirectoryItem>(pItemImpl) );
wcscpy( pItemImpl->cDriveString, o3tl::toW(strSysFilePath->buffer) );
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->length > 0 && strSysFilePath->buffer[strSysFilePath->length - 1] == '\\' )
rtl_uString_newFromStr_WithLength( &strSysFilePath, strSysFilePath->buffer, strSysFilePath->length - 1 );
hFind = FindFirstFileW( o3tl::toW(rtl_uString_getStr(strSysFilePath)), &aFindData );
if ( hFind != INVALID_HANDLE_VALUE )
{
DirectoryItem_Impl *pItemImpl =
static_cast<DirectoryItem_Impl*>(malloc(sizeof(DirectoryItem_Impl)));
if (!pItemImpl)
error = osl_File_E_NOMEM;
if (osl_File_E_None == error)
{
ZeroMemory(pItemImpl, sizeof(DirectoryItem_Impl));
osl_acquireDirectoryItem(static_cast<oslDirectoryItem>(pItemImpl));
CopyMemory(&pItemImpl->FindData, &aFindData, sizeof(WIN32_FIND_DATAW));
rtl_uString_newFromString(&pItemImpl->m_pFullPath, strSysFilePath);
// MT: This costs 600ms startup time on fast v60x!
// GetCaseCorrectPathName( pItemImpl->szFullPath, pItemImpl->szFullPath, sizeof(pItemImpl->szFullPath) );
pItemImpl->uType = DIRECTORYITEM_FILE;
*pItem = pItemImpl;
}
FindClose( hFind );
}
else
error = oslTranslateFileError( GetLastError() );
}
break;
}
if ( strSysFilePath )
rtl_uString_release( strSysFilePath );
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 )
{
if ( pItemImpl->m_pFullPath )
{
rtl_uString_release( pItemImpl->m_pFullPath );
pItemImpl->m_pFullPath = nullptr;
}
free( 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_pFullPath == pB->m_pFullPath)
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);
bool is_volume_root = false;
if (!is_floppy_drive(p))
{
DWORD fattr = GetFileAttributesW(o3tl::toW(p.getStr()));
if ((INVALID_FILE_ATTRIBUTES != fattr) &&
(FILE_ATTRIBUTE_REPARSE_POINT & fattr))
{
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_(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_pFullPath, &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_pFullPath);
// 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 = GetCaseCorrectPathName( o3tl::toW( sFullPath.getStr() ),
o3tl::toW( aBuffer ),
aBuffer.getBufSizeInSymbols(),
true );
if ( nNewLen )
{
rtl_uString_newFromStr( &pItemImpl->m_pFullPath, aBuffer );
sFullPath = OUString( pItemImpl->m_pFullPath );
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;
rtl_uString *ustrSysPath = nullptr;
DWORD dwFileAttributes;
bool fSuccess;
// Converts the normalized path into a systempath
error = osl_getSystemPathFromFileURL_( ustrFileURL, &ustrSysPath, false );
if ( osl_File_E_None != error )
return error;
dwFileAttributes = GetFileAttributesW( o3tl::toW(rtl_uString_getStr(ustrSysPath)) );
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(rtl_uString_getStr(ustrSysPath)), dwFileAttributes );
}
else
{
fSuccess = FALSE;
}
if ( !fSuccess )
error = oslTranslateFileError( GetLastError() );
rtl_uString_release( ustrSysPath );
return error;
}
oslFileError SAL_CALL osl_setFileTime(
rtl_uString *filePath,
const TimeValue *aCreationTime,
const TimeValue *aLastAccessTime,
const TimeValue *aLastWriteTime)
{
oslFileError error;
rtl_uString *sysPath=nullptr;
FILETIME *lpCreationTime=nullptr;
FILETIME *lpLastAccessTime=nullptr;
FILETIME *lpLastWriteTime=nullptr;
FILETIME ftCreationTime;
FILETIME ftLastAccessTime;
FILETIME ftLastWriteTime;
HANDLE hFile;
bool fSuccess;
error=osl_getSystemPathFromFileURL_(filePath, &sysPath, false);
if (error==osl_File_E_INVAL)
return error;
hFile=CreateFileW(o3tl::toW(rtl_uString_getStr(sysPath)), GENERIC_WRITE, 0, nullptr , OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr);
rtl_uString_release(sysPath);
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;
}
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