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- Don't forget to release RTL_RELATIVE_NAME_U before return - Ignore lpSearchFilter correctly as on Windows Fixes 6 failures in kernel32:FindFiles test in LiveCD.
1154 lines
37 KiB
C
1154 lines
37 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS system libraries
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* FILE: dll/win32/kernel32/client/file/find.c
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* PURPOSE: Find functions
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* PROGRAMMERS: Ariadne (ariadne@xs4all.nl)
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* Pierre Schweitzer (pierre.schweitzer@reactos.org)
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* Hermes Belusca-Maito
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*/
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/* INCLUDES *******************************************************************/
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#include <k32.h>
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#include <ntstrsafe.h>
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#define NDEBUG
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#include <debug.h>
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DEBUG_CHANNEL(kernel32file);
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/* TYPES **********************************************************************/
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#define FIND_DATA_SIZE 0x4000
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#define FIND_DEVICE_HANDLE ((HANDLE)0x1)
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typedef enum _FIND_DATA_TYPE
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{
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FindFile = 1,
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FindStream = 2
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} FIND_DATA_TYPE;
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/*
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* FILE_FULL_DIR_INFORMATION and FILE_BOTH_DIR_INFORMATION structures layout.
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*
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*
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* struct FILE_FULL_DIR_INFORMATION | struct FILE_BOTH_DIR_INFORMATION
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* ------------------------------------+---------------------------------------
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* ULONG NextEntryOffset; | ULONG NextEntryOffset;
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* ULONG FileIndex; | ULONG FileIndex;
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* LARGE_INTEGER CreationTime; | LARGE_INTEGER CreationTime;
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* LARGE_INTEGER LastAccessTime; | LARGE_INTEGER LastAccessTime;
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* LARGE_INTEGER LastWriteTime; | LARGE_INTEGER LastWriteTime;
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* LARGE_INTEGER ChangeTime; | LARGE_INTEGER ChangeTime;
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* LARGE_INTEGER EndOfFile; | LARGE_INTEGER EndOfFile;
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* LARGE_INTEGER AllocationSize; | LARGE_INTEGER AllocationSize;
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* ULONG FileAttributes; | ULONG FileAttributes;
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* ULONG FileNameLength; | ULONG FileNameLength;
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* ULONG EaSize; | ULONG EaSize;
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* ------------------------------------+---------------------------------------
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* WCHAR FileName[1]; | CCHAR ShortNameLength;
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* | WCHAR ShortName[12];
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* | WCHAR FileName[1];
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*
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* Therefore we can use pointers to FILE_FULL_DIR_INFORMATION when one doesn't
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* want to refer to the ShortName* fields and FileName (useful for implementing
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* the FindExInfoBasic functionality for FindFirstFileEx), however a cast to
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* FILE_BOTH_DIR_INFORMATION is required when one wants to use FileName and
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* ShortName* fields (needed for the FindExInfoStandard functionality).
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*
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*/
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typedef union _DIR_INFORMATION
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{
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PVOID DirInfo;
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PFILE_FULL_DIR_INFORMATION FullDirInfo;
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PFILE_BOTH_DIR_INFORMATION BothDirInfo;
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} DIR_INFORMATION;
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typedef struct _FIND_FILE_DATA
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{
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HANDLE Handle;
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FINDEX_INFO_LEVELS InfoLevel;
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FINDEX_SEARCH_OPS SearchOp;
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/*
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* For handling STATUS_BUFFER_OVERFLOW errors emitted by
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* NtQueryDirectoryFile in the FindNextFile function.
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*/
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BOOLEAN HasMoreData;
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/*
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* "Pointer" to the next file info structure in the buffer.
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* The type is defined by the 'InfoLevel' parameter.
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*/
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DIR_INFORMATION NextDirInfo;
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BYTE Buffer[FIND_DATA_SIZE];
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} FIND_FILE_DATA, *PFIND_FILE_DATA;
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typedef struct _FIND_STREAM_DATA
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{
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STREAM_INFO_LEVELS InfoLevel;
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PFILE_STREAM_INFORMATION FileStreamInfo;
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PFILE_STREAM_INFORMATION CurrentInfo;
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} FIND_STREAM_DATA, *PFIND_STREAM_DATA;
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typedef struct _FIND_DATA_HANDLE
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{
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FIND_DATA_TYPE Type;
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RTL_CRITICAL_SECTION Lock;
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/*
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* Pointer to the following finding data, located at
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* (this + 1). The type is defined by the 'Type' parameter.
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*/
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union
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{
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PFIND_FILE_DATA FindFileData;
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PFIND_STREAM_DATA FindStreamData;
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} u;
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} FIND_DATA_HANDLE, *PFIND_DATA_HANDLE;
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/* PRIVATE FUNCTIONS **********************************************************/
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static VOID
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CopyDeviceFindData(OUT LPWIN32_FIND_DATAW lpFindFileData,
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IN LPCWSTR lpFileName,
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IN ULONG DeviceNameInfo)
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{
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LPCWSTR DeviceName;
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SIZE_T Length;
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_SEH2_TRY
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{
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/* DeviceNameInfo == { USHORT Offset; USHORT Length } */
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Length = (SIZE_T)(DeviceNameInfo & 0xFFFF);
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DeviceName = (LPCWSTR)((ULONG_PTR)lpFileName + ((DeviceNameInfo >> 16) & 0xFFFF));
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/* Return the data */
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RtlZeroMemory(lpFindFileData, sizeof(*lpFindFileData));
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lpFindFileData->dwFileAttributes = FILE_ATTRIBUTE_ARCHIVE;
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RtlStringCbCopyNW(lpFindFileData->cFileName,
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sizeof(lpFindFileData->cFileName),
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DeviceName, Length);
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}
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_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
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{
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}
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_SEH2_END;
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return;
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}
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static VOID
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CopyFindData(OUT LPWIN32_FIND_DATAW lpFindFileData,
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IN FINDEX_INFO_LEVELS fInfoLevelId,
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IN DIR_INFORMATION DirInfo)
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{
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#define ULARGE_INTEGER_2_FILETIME(ft, ul) \
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do { \
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(ft).dwHighDateTime = (ul).u.HighPart; \
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(ft).dwLowDateTime = (ul).u.LowPart ; \
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} while(0)
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_SEH2_TRY
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{
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RtlZeroMemory(lpFindFileData, sizeof(*lpFindFileData));
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lpFindFileData->dwFileAttributes = DirInfo.FullDirInfo->FileAttributes;
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ULARGE_INTEGER_2_FILETIME(lpFindFileData->ftCreationTime, DirInfo.FullDirInfo->CreationTime);
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ULARGE_INTEGER_2_FILETIME(lpFindFileData->ftLastAccessTime, DirInfo.FullDirInfo->LastAccessTime);
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ULARGE_INTEGER_2_FILETIME(lpFindFileData->ftLastWriteTime, DirInfo.FullDirInfo->LastWriteTime);
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lpFindFileData->nFileSizeHigh = DirInfo.FullDirInfo->EndOfFile.u.HighPart;
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lpFindFileData->nFileSizeLow = DirInfo.FullDirInfo->EndOfFile.u.LowPart;
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/* dwReserved0 contains the NTFS reparse point tag, if any. */
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if (DirInfo.FullDirInfo->FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT)
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lpFindFileData->dwReserved0 = DirInfo.FullDirInfo->EaSize;
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else
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lpFindFileData->dwReserved0 = 0;
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/* Unused dwReserved1 field */
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lpFindFileData->dwReserved1 = 0;
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if (fInfoLevelId == FindExInfoStandard)
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{
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RtlStringCbCopyNW(lpFindFileData->cFileName,
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sizeof(lpFindFileData->cFileName),
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DirInfo.BothDirInfo->FileName,
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DirInfo.BothDirInfo->FileNameLength);
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RtlStringCbCopyNW(lpFindFileData->cAlternateFileName,
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sizeof(lpFindFileData->cAlternateFileName),
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DirInfo.BothDirInfo->ShortName,
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DirInfo.BothDirInfo->ShortNameLength);
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}
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else if (fInfoLevelId == FindExInfoBasic)
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{
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RtlStringCbCopyNW(lpFindFileData->cFileName,
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sizeof(lpFindFileData->cFileName),
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DirInfo.FullDirInfo->FileName,
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DirInfo.FullDirInfo->FileNameLength);
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lpFindFileData->cAlternateFileName[0] = UNICODE_NULL;
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}
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else
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{
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/* Invalid InfoLevelId */
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ASSERT(FALSE);
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}
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}
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_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
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{
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}
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_SEH2_END;
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return;
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}
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static VOID
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CopyStreamData(IN OUT PFIND_STREAM_DATA FindStreamData,
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OUT PWIN32_FIND_STREAM_DATA lpFindStreamData)
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{
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_SEH2_TRY
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{
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ASSERT(FindStreamData->CurrentInfo);
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switch (FindStreamData->InfoLevel)
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{
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case FindStreamInfoStandard:
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{
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ULONG StreamNameLen = min(FindStreamData->CurrentInfo->StreamNameLength,
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sizeof(lpFindStreamData->cStreamName) - sizeof(WCHAR));
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RtlZeroMemory(lpFindStreamData, sizeof(*lpFindStreamData));
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lpFindStreamData->StreamSize.QuadPart = FindStreamData->CurrentInfo->StreamSize.QuadPart;
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RtlCopyMemory(lpFindStreamData->cStreamName,
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FindStreamData->CurrentInfo->StreamName,
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StreamNameLen);
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lpFindStreamData->cStreamName[StreamNameLen / sizeof(WCHAR)] = UNICODE_NULL;
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break;
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}
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default:
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{
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/* Invalid InfoLevel */
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ASSERT(FALSE);
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break;
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}
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}
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}
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_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
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{
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}
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_SEH2_END;
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return;
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}
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/* PUBLIC FUNCTIONS ***********************************************************/
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/*
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* @implemented
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*/
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HANDLE
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WINAPI
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FindFirstFileA(IN LPCSTR lpFileName,
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OUT LPWIN32_FIND_DATAA lpFindFileData)
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{
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HANDLE hSearch;
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NTSTATUS Status;
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ANSI_STRING Ansi;
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UNICODE_STRING UTF8;
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PUNICODE_STRING lpFileNameW;
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WIN32_FIND_DATAW FindFileDataW;
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lpFileNameW = Basep8BitStringToStaticUnicodeString(lpFileName);
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if (!lpFileNameW) return INVALID_HANDLE_VALUE;
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hSearch = FindFirstFileExW(lpFileNameW->Buffer,
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FindExInfoStandard,
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&FindFileDataW,
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FindExSearchNameMatch,
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NULL, 0);
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if (hSearch == INVALID_HANDLE_VALUE) return INVALID_HANDLE_VALUE;
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RtlCopyMemory(lpFindFileData,
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&FindFileDataW,
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FIELD_OFFSET(WIN32_FIND_DATAA, cFileName));
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RtlInitUnicodeString(&UTF8, FindFileDataW.cFileName);
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Ansi.Buffer = lpFindFileData->cFileName;
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Ansi.Length = 0;
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Ansi.MaximumLength = sizeof(lpFindFileData->cFileName);
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Status = BasepUnicodeStringTo8BitString(&Ansi, &UTF8, FALSE);
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if (!NT_SUCCESS(Status))
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{
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FindClose(hSearch);
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BaseSetLastNTError(Status);
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return INVALID_HANDLE_VALUE;
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}
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RtlInitUnicodeString(&UTF8, FindFileDataW.cAlternateFileName);
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Ansi.Buffer = lpFindFileData->cAlternateFileName;
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Ansi.Length = 0;
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Ansi.MaximumLength = sizeof(lpFindFileData->cAlternateFileName);
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Status = BasepUnicodeStringTo8BitString(&Ansi, &UTF8, FALSE);
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if (!NT_SUCCESS(Status))
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{
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FindClose(hSearch);
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BaseSetLastNTError(Status);
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return INVALID_HANDLE_VALUE;
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}
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return hSearch;
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}
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/*
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* @implemented
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*/
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HANDLE
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WINAPI
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FindFirstFileW(IN LPCWSTR lpFileName,
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OUT LPWIN32_FIND_DATAW lpFindFileData)
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{
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return FindFirstFileExW(lpFileName,
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FindExInfoStandard,
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lpFindFileData,
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FindExSearchNameMatch,
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NULL, 0);
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}
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/*
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* @implemented
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*/
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BOOL
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WINAPI
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FindNextFileA(IN HANDLE hFindFile,
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OUT LPWIN32_FIND_DATAA lpFindFileData)
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{
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NTSTATUS Status;
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ANSI_STRING Ansi;
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UNICODE_STRING UTF8;
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WIN32_FIND_DATAW FindFileDataW;
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if (!FindNextFileW(hFindFile, &FindFileDataW))
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return FALSE;
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RtlCopyMemory(lpFindFileData,
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&FindFileDataW,
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FIELD_OFFSET(WIN32_FIND_DATAA, cFileName));
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RtlInitUnicodeString(&UTF8, FindFileDataW.cFileName);
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Ansi.Buffer = lpFindFileData->cFileName;
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Ansi.Length = 0;
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Ansi.MaximumLength = sizeof(lpFindFileData->cFileName);
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Status = BasepUnicodeStringTo8BitString(&Ansi, &UTF8, FALSE);
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if (!NT_SUCCESS(Status))
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{
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BaseSetLastNTError(Status);
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return FALSE;
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}
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RtlInitUnicodeString(&UTF8, FindFileDataW.cAlternateFileName);
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Ansi.Buffer = lpFindFileData->cAlternateFileName;
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Ansi.Length = 0;
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Ansi.MaximumLength = sizeof(lpFindFileData->cAlternateFileName);
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Status = BasepUnicodeStringTo8BitString(&Ansi, &UTF8, FALSE);
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if (!NT_SUCCESS(Status))
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{
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BaseSetLastNTError(Status);
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return FALSE;
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}
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return TRUE;
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}
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/*
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* @implemented
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*/
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BOOL
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WINAPI
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FindNextFileW(IN HANDLE hFindFile,
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OUT LPWIN32_FIND_DATAW lpFindFileData)
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{
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NTSTATUS Status = STATUS_SUCCESS;
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DIR_INFORMATION FoundFile = {NULL};
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TRACE("FindNextFileW(%p, 0x%p)\n", hFindFile, lpFindFileData);
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if (hFindFile != FIND_DEVICE_HANDLE)
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{
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PFIND_DATA_HANDLE FindDataHandle = (PFIND_DATA_HANDLE)hFindFile;
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PFIND_FILE_DATA FindFileData;
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FINDEX_INFO_LEVELS InfoLevel;
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IO_STATUS_BLOCK IoStatusBlock;
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DIR_INFORMATION DirInfo = {NULL}, NextDirInfo = {NULL};
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if (hFindFile == NULL || hFindFile == INVALID_HANDLE_VALUE ||
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FindDataHandle->Type != FindFile)
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{
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SetLastError(ERROR_INVALID_HANDLE);
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return FALSE;
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}
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RtlEnterCriticalSection(&FindDataHandle->Lock);
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FindFileData = FindDataHandle->u.FindFileData;
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InfoLevel = FindFileData->InfoLevel;
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do
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{
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if (FindFileData->NextDirInfo.DirInfo == NULL)
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{
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Status = NtQueryDirectoryFile(FindFileData->Handle,
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NULL, NULL, NULL,
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&IoStatusBlock,
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&FindFileData->Buffer,
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sizeof(FindFileData->Buffer),
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(InfoLevel == FindExInfoStandard
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? FileBothDirectoryInformation
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: FileFullDirectoryInformation),
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FALSE,
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NULL, /* Use the file pattern from the first call */
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FALSE);
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if (Status == STATUS_BUFFER_OVERFLOW)
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{
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FindFileData->HasMoreData = TRUE;
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Status = STATUS_SUCCESS;
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}
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else
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{
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if (!NT_SUCCESS(Status)) break;
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FindFileData->HasMoreData = FALSE;
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}
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FindFileData->NextDirInfo.DirInfo = &FindFileData->Buffer;
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}
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DirInfo = FindFileData->NextDirInfo;
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if (DirInfo.FullDirInfo->NextEntryOffset != 0)
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{
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ULONG_PTR BufferEnd = (ULONG_PTR)&FindFileData->Buffer + sizeof(FindFileData->Buffer);
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PWSTR pFileName;
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NextDirInfo.DirInfo = FindFileData->NextDirInfo.DirInfo =
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(PVOID)((ULONG_PTR)DirInfo.DirInfo + DirInfo.FullDirInfo->NextEntryOffset);
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pFileName = (InfoLevel == FindExInfoStandard
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? NextDirInfo.BothDirInfo->FileName
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: NextDirInfo.FullDirInfo->FileName);
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/* Be paranoid and make sure that the next entry is completely there */
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if (BufferEnd < (ULONG_PTR)NextDirInfo.DirInfo ||
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BufferEnd < (ULONG_PTR)&NextDirInfo.FullDirInfo->FileNameLength + sizeof(NextDirInfo.FullDirInfo->FileNameLength) ||
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BufferEnd <= (ULONG_PTR)((ULONG_PTR)pFileName + NextDirInfo.FullDirInfo->FileNameLength))
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{
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FindFileData->NextDirInfo.DirInfo = NULL;
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}
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}
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else
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{
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FindFileData->NextDirInfo.DirInfo = NULL;
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}
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if ((FindFileData->SearchOp != FindExSearchLimitToDirectories) ||
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(DirInfo.FullDirInfo->FileAttributes & FILE_ATTRIBUTE_DIRECTORY))
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{
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FoundFile = DirInfo;
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}
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} while ( FoundFile.DirInfo == NULL && (FindFileData->NextDirInfo.DirInfo || FindFileData->HasMoreData) );
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|
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if (FoundFile.DirInfo != NULL)
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{
|
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/* Return the information */
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CopyFindData(lpFindFileData, InfoLevel, FoundFile);
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}
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|
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RtlLeaveCriticalSection(&FindDataHandle->Lock);
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}
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|
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if (!NT_SUCCESS(Status))
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{
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BaseSetLastNTError(Status);
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return FALSE;
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}
|
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else if (FoundFile.DirInfo == NULL)
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{
|
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SetLastError(ERROR_NO_MORE_FILES);
|
|
return FALSE;
|
|
}
|
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|
|
return TRUE;
|
|
}
|
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|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
BOOL
|
|
WINAPI
|
|
FindClose(HANDLE hFindFile)
|
|
{
|
|
TRACE("FindClose(hFindFile %p)\n", hFindFile);
|
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|
|
if (hFindFile == FIND_DEVICE_HANDLE)
|
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return TRUE;
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|
|
if (!hFindFile || hFindFile == INVALID_HANDLE_VALUE)
|
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{
|
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SetLastError(ERROR_INVALID_HANDLE);
|
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return FALSE;
|
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}
|
|
|
|
/* Protect with SEH against closing attempts on invalid handles. */
|
|
_SEH2_TRY
|
|
{
|
|
PFIND_DATA_HANDLE FindDataHandle = (PFIND_DATA_HANDLE)hFindFile;
|
|
|
|
switch (FindDataHandle->Type)
|
|
{
|
|
case FindFile:
|
|
{
|
|
RtlEnterCriticalSection(&FindDataHandle->Lock);
|
|
NtClose(FindDataHandle->u.FindFileData->Handle);
|
|
RtlLeaveCriticalSection(&FindDataHandle->Lock);
|
|
RtlDeleteCriticalSection(&FindDataHandle->Lock);
|
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break;
|
|
}
|
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|
|
case FindStream:
|
|
{
|
|
RtlEnterCriticalSection(&FindDataHandle->Lock);
|
|
if (FindDataHandle->u.FindStreamData->FileStreamInfo != NULL)
|
|
{
|
|
RtlFreeHeap(RtlGetProcessHeap(), 0,
|
|
FindDataHandle->u.FindStreamData->FileStreamInfo);
|
|
}
|
|
RtlLeaveCriticalSection(&FindDataHandle->Lock);
|
|
RtlDeleteCriticalSection(&FindDataHandle->Lock);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
SetLastError(ERROR_INVALID_HANDLE);
|
|
_SEH2_YIELD(return FALSE);
|
|
}
|
|
}
|
|
|
|
RtlFreeHeap(RtlGetProcessHeap(), 0, FindDataHandle);
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
BaseSetLastNTError(_SEH2_GetExceptionCode());
|
|
_SEH2_YIELD(return FALSE);
|
|
}
|
|
_SEH2_END;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*
|
|
* @unimplemented
|
|
*/
|
|
HANDLE
|
|
WINAPI
|
|
FindFirstFileExA(IN LPCSTR lpFileName,
|
|
IN FINDEX_INFO_LEVELS fInfoLevelId,
|
|
OUT LPVOID lpFindFileData,
|
|
IN FINDEX_SEARCH_OPS fSearchOp,
|
|
LPVOID lpSearchFilter,
|
|
IN DWORD dwAdditionalFlags)
|
|
{
|
|
HANDLE hSearch;
|
|
NTSTATUS Status;
|
|
ANSI_STRING Ansi;
|
|
UNICODE_STRING UTF8;
|
|
PUNICODE_STRING lpFileNameW;
|
|
WIN32_FIND_DATAW FindFileDataW;
|
|
LPWIN32_FIND_DATAA lpFindFileDataA = (LPWIN32_FIND_DATAA)lpFindFileData;
|
|
|
|
if ((fInfoLevelId != FindExInfoStandard && fInfoLevelId != FindExInfoBasic) ||
|
|
fSearchOp == FindExSearchLimitToDevices ||
|
|
dwAdditionalFlags & ~FIND_FIRST_EX_CASE_SENSITIVE /* only supported flag for now */)
|
|
{
|
|
SetLastError(fSearchOp == FindExSearchLimitToDevices
|
|
? ERROR_NOT_SUPPORTED
|
|
: ERROR_INVALID_PARAMETER);
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
lpFileNameW = Basep8BitStringToStaticUnicodeString(lpFileName);
|
|
if (!lpFileNameW) return INVALID_HANDLE_VALUE;
|
|
|
|
hSearch = FindFirstFileExW(lpFileNameW->Buffer,
|
|
fInfoLevelId,
|
|
&FindFileDataW,
|
|
fSearchOp,
|
|
lpSearchFilter,
|
|
dwAdditionalFlags);
|
|
if (hSearch == INVALID_HANDLE_VALUE) return INVALID_HANDLE_VALUE;
|
|
|
|
RtlCopyMemory(lpFindFileDataA,
|
|
&FindFileDataW,
|
|
FIELD_OFFSET(WIN32_FIND_DATAA, cFileName));
|
|
|
|
RtlInitUnicodeString(&UTF8, FindFileDataW.cFileName);
|
|
Ansi.Buffer = lpFindFileDataA->cFileName;
|
|
Ansi.Length = 0;
|
|
Ansi.MaximumLength = sizeof(lpFindFileDataA->cFileName);
|
|
Status = BasepUnicodeStringTo8BitString(&Ansi, &UTF8, FALSE);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
FindClose(hSearch);
|
|
BaseSetLastNTError(Status);
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
if (fInfoLevelId != FindExInfoBasic)
|
|
{
|
|
RtlInitUnicodeString(&UTF8, FindFileDataW.cAlternateFileName);
|
|
Ansi.Buffer = lpFindFileDataA->cAlternateFileName;
|
|
Ansi.Length = 0;
|
|
Ansi.MaximumLength = sizeof(lpFindFileDataA->cAlternateFileName);
|
|
Status = BasepUnicodeStringTo8BitString(&Ansi, &UTF8, FALSE);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
FindClose(hSearch);
|
|
BaseSetLastNTError(Status);
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
lpFindFileDataA->cAlternateFileName[0] = ANSI_NULL;
|
|
}
|
|
|
|
return hSearch;
|
|
}
|
|
|
|
|
|
/*
|
|
* @unimplemented
|
|
*/
|
|
HANDLE
|
|
WINAPI
|
|
FindFirstFileExW(IN LPCWSTR lpFileName,
|
|
IN FINDEX_INFO_LEVELS fInfoLevelId,
|
|
OUT LPVOID lpFindFileData,
|
|
IN FINDEX_SEARCH_OPS fSearchOp,
|
|
LPVOID lpSearchFilter,
|
|
IN DWORD dwAdditionalFlags)
|
|
{
|
|
UNREFERENCED_PARAMETER(lpSearchFilter);
|
|
|
|
TRACE("FindFirstFileExW(lpFileName %S)\n", lpFileName);
|
|
|
|
if ((fInfoLevelId != FindExInfoStandard && fInfoLevelId != FindExInfoBasic) ||
|
|
fSearchOp == FindExSearchLimitToDevices ||
|
|
dwAdditionalFlags & ~FIND_FIRST_EX_CASE_SENSITIVE /* only supported flag for now */)
|
|
{
|
|
SetLastError(fSearchOp == FindExSearchLimitToDevices
|
|
? ERROR_NOT_SUPPORTED
|
|
: ERROR_INVALID_PARAMETER);
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
if (fSearchOp == FindExSearchNameMatch ||
|
|
fSearchOp == FindExSearchLimitToDirectories)
|
|
{
|
|
LPWIN32_FIND_DATAW Win32FindData = (LPWIN32_FIND_DATAW)lpFindFileData;
|
|
PFIND_DATA_HANDLE FindDataHandle;
|
|
PFIND_FILE_DATA FindFileData;
|
|
|
|
UNICODE_STRING NtPath, FilePattern, FileName;
|
|
PWSTR NtPathBuffer;
|
|
RTL_RELATIVE_NAME_U RelativePath;
|
|
ULONG DeviceNameInfo = 0;
|
|
|
|
NTSTATUS Status;
|
|
OBJECT_ATTRIBUTES ObjectAttributes;
|
|
IO_STATUS_BLOCK IoStatusBlock;
|
|
HANDLE hDirectory = NULL;
|
|
|
|
BOOLEAN HadADot = FALSE;
|
|
|
|
/*
|
|
* May represent many FILE_BOTH_DIR_INFORMATION
|
|
* or many FILE_FULL_DIR_INFORMATION structures.
|
|
* NOTE: NtQueryDirectoryFile requires the buffer to be ULONG-aligned
|
|
*/
|
|
DECLSPEC_ALIGN(4) BYTE DirectoryInfo[FIND_DATA_SIZE];
|
|
DIR_INFORMATION DirInfo = { .DirInfo = &DirectoryInfo };
|
|
|
|
RtlInitUnicodeString(&FileName, lpFileName);
|
|
if (FileName.Length != 0 && FileName.Buffer[FileName.Length / sizeof(WCHAR) - 1] == L'.')
|
|
{
|
|
HadADot = TRUE;
|
|
}
|
|
|
|
if (!RtlDosPathNameToNtPathName_U(lpFileName,
|
|
&NtPath,
|
|
(PCWSTR*)&FilePattern.Buffer,
|
|
&RelativePath))
|
|
{
|
|
SetLastError(ERROR_PATH_NOT_FOUND);
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
DPRINT("lpFileName = '%S'\n", lpFileName);
|
|
DPRINT("FilePattern.Buffer = '%S'\n", FilePattern.Buffer);
|
|
DPRINT("RelativePath.RelativeName = '%wZ'\n", &RelativePath.RelativeName);
|
|
DPRINT("NtPath.Buffer = '%S'\n", NtPath.Buffer);
|
|
DPRINT("NtPath - Before = '%wZ'\n", &NtPath);
|
|
|
|
/* Save the buffer pointer for later, we need to free it! */
|
|
NtPathBuffer = NtPath.Buffer;
|
|
|
|
/*
|
|
* Contrary to what Windows does, check NOW whether or not
|
|
* lpFileName is a DOS driver. Therefore we don't have to
|
|
* write broken code to check that.
|
|
*/
|
|
if (!FilePattern.Buffer || !*FilePattern.Buffer)
|
|
{
|
|
/* No file pattern specified, or DOS device */
|
|
|
|
DeviceNameInfo = RtlIsDosDeviceName_U(lpFileName);
|
|
if (DeviceNameInfo != 0)
|
|
{
|
|
RtlReleaseRelativeName(&RelativePath);
|
|
RtlFreeHeap(RtlGetProcessHeap(), 0, NtPathBuffer);
|
|
|
|
/* OK, it's really a DOS device */
|
|
CopyDeviceFindData(Win32FindData, lpFileName, DeviceNameInfo);
|
|
return FIND_DEVICE_HANDLE;
|
|
}
|
|
}
|
|
|
|
/* A file pattern was specified, or it was not a DOS device */
|
|
|
|
/* If there is a file pattern then determine its length */
|
|
if (FilePattern.Buffer != NULL)
|
|
{
|
|
FilePattern.Length = NtPath.Length -
|
|
(USHORT)((ULONG_PTR)FilePattern.Buffer - (ULONG_PTR)NtPath.Buffer);
|
|
}
|
|
else
|
|
{
|
|
FilePattern.Length = 0;
|
|
}
|
|
FilePattern.MaximumLength = FilePattern.Length;
|
|
|
|
if (RelativePath.RelativeName.Length != 0 &&
|
|
RelativePath.RelativeName.Buffer != FilePattern.Buffer)
|
|
{
|
|
if (FilePattern.Buffer != NULL)
|
|
{
|
|
/* This is a relative path to RelativePath.ContainingDirectory, adjust NtPath! */
|
|
NtPath.Length = NtPath.MaximumLength =
|
|
(USHORT)((ULONG_PTR)FilePattern.Buffer - (ULONG_PTR)RelativePath.RelativeName.Buffer);
|
|
NtPath.Buffer = RelativePath.RelativeName.Buffer;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* This is an absolute path, NtPath receives the full path */
|
|
RelativePath.ContainingDirectory = NULL;
|
|
if (FilePattern.Buffer != NULL)
|
|
{
|
|
NtPath.Length = NtPath.MaximumLength =
|
|
(USHORT)((ULONG_PTR)FilePattern.Buffer - (ULONG_PTR)NtPath.Buffer);
|
|
}
|
|
}
|
|
|
|
DPRINT("NtPath - After = '%wZ'\n", &NtPath);
|
|
DPRINT("FilePattern = '%wZ'\n", &FilePattern);
|
|
DPRINT("RelativeTo = 0x%p\n", RelativePath.ContainingDirectory);
|
|
|
|
InitializeObjectAttributes(&ObjectAttributes,
|
|
&NtPath,
|
|
(dwAdditionalFlags & FIND_FIRST_EX_CASE_SENSITIVE) ? 0 : OBJ_CASE_INSENSITIVE,
|
|
RelativePath.ContainingDirectory,
|
|
NULL);
|
|
|
|
Status = NtOpenFile(&hDirectory,
|
|
FILE_LIST_DIRECTORY | SYNCHRONIZE,
|
|
&ObjectAttributes,
|
|
&IoStatusBlock,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT);
|
|
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
RtlReleaseRelativeName(&RelativePath);
|
|
RtlFreeHeap(RtlGetProcessHeap(), 0, NtPathBuffer);
|
|
|
|
/* Adjust the last error codes */
|
|
if (Status == STATUS_OBJECT_NAME_NOT_FOUND)
|
|
Status = STATUS_OBJECT_PATH_NOT_FOUND;
|
|
else if (Status == STATUS_OBJECT_TYPE_MISMATCH)
|
|
Status = STATUS_OBJECT_PATH_NOT_FOUND;
|
|
|
|
BaseSetLastNTError(Status);
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
/*
|
|
* Fail if there is not any file pattern,
|
|
* since we are not looking for a device.
|
|
*/
|
|
if (FilePattern.Length == 0)
|
|
{
|
|
NtClose(hDirectory);
|
|
RtlReleaseRelativeName(&RelativePath);
|
|
RtlFreeHeap(RtlGetProcessHeap(), 0, NtPathBuffer);
|
|
|
|
SetLastError(ERROR_FILE_NOT_FOUND);
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
/* Change pattern: "*.*" --> "*" */
|
|
if (FilePattern.Length == 6 &&
|
|
RtlCompareMemory(FilePattern.Buffer, L"*.*", 6) == 6)
|
|
{
|
|
FilePattern.Length = 2;
|
|
}
|
|
else
|
|
{
|
|
/* Translate wildcard from "real" world to DOS world for lower interpretation */
|
|
USHORT PatternIndex = 0;
|
|
while (PatternIndex < FilePattern.Length / sizeof(WCHAR))
|
|
{
|
|
if (PatternIndex > 0)
|
|
{
|
|
if (FilePattern.Buffer[PatternIndex] == L'.' &&
|
|
FilePattern.Buffer[PatternIndex - 1] == L'*')
|
|
{
|
|
FilePattern.Buffer[PatternIndex - 1] = L'<';
|
|
}
|
|
}
|
|
|
|
if (FilePattern.Buffer[PatternIndex] == L'?')
|
|
{
|
|
FilePattern.Buffer[PatternIndex] = L'>';
|
|
if (PatternIndex > 0)
|
|
{
|
|
if (FilePattern.Buffer[PatternIndex - 1] == L'.')
|
|
{
|
|
FilePattern.Buffer[PatternIndex - 1] = L'\"';
|
|
}
|
|
}
|
|
}
|
|
else if (FilePattern.Buffer[PatternIndex] == L'*')
|
|
{
|
|
if (PatternIndex > 0)
|
|
{
|
|
if (FilePattern.Buffer[PatternIndex - 1] == L'.')
|
|
{
|
|
FilePattern.Buffer[PatternIndex - 1] = L'\"';
|
|
}
|
|
}
|
|
}
|
|
|
|
PatternIndex++;
|
|
}
|
|
|
|
/* Handle partial wc if our last dot was eaten */
|
|
if (HadADot)
|
|
{
|
|
if (FilePattern.Buffer[FilePattern.Length / sizeof(WCHAR) - 1] == L'*')
|
|
{
|
|
FilePattern.Buffer[FilePattern.Length / sizeof(WCHAR) - 1] = L'<';
|
|
}
|
|
}
|
|
}
|
|
|
|
Status = NtQueryDirectoryFile(hDirectory,
|
|
NULL, NULL, NULL,
|
|
&IoStatusBlock,
|
|
DirInfo.DirInfo, // == &DirectoryInfo
|
|
sizeof(DirectoryInfo),
|
|
(fInfoLevelId == FindExInfoStandard
|
|
? FileBothDirectoryInformation
|
|
: FileFullDirectoryInformation),
|
|
TRUE, /* Return a single entry */
|
|
&FilePattern,
|
|
TRUE);
|
|
|
|
RtlReleaseRelativeName(&RelativePath);
|
|
RtlFreeHeap(RtlGetProcessHeap(), 0, NtPathBuffer);
|
|
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
NtClose(hDirectory);
|
|
BaseSetLastNTError(Status);
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
ASSERT(DirInfo.FullDirInfo->NextEntryOffset == 0);
|
|
|
|
/* Return the information */
|
|
CopyFindData(Win32FindData, fInfoLevelId, DirInfo);
|
|
|
|
/*
|
|
* Initialization of the search handle.
|
|
*/
|
|
FindDataHandle = RtlAllocateHeap(RtlGetProcessHeap(),
|
|
HEAP_ZERO_MEMORY,
|
|
sizeof(FIND_DATA_HANDLE) +
|
|
sizeof(FIND_FILE_DATA));
|
|
if (!FindDataHandle)
|
|
{
|
|
NtClose(hDirectory);
|
|
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
FindDataHandle->Type = FindFile;
|
|
FindDataHandle->u.FindFileData = (PFIND_FILE_DATA)(FindDataHandle + 1);
|
|
FindFileData = FindDataHandle->u.FindFileData;
|
|
|
|
FindFileData->Handle = hDirectory;
|
|
FindFileData->InfoLevel = fInfoLevelId;
|
|
FindFileData->SearchOp = fSearchOp;
|
|
FindFileData->HasMoreData = FALSE;
|
|
FindFileData->NextDirInfo.DirInfo = NULL;
|
|
|
|
/* The critical section must always be initialized */
|
|
Status = RtlInitializeCriticalSection(&FindDataHandle->Lock);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
NtClose(hDirectory);
|
|
RtlFreeHeap(RtlGetProcessHeap(), 0, FindDataHandle);
|
|
|
|
BaseSetLastNTError(Status);
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
return (HANDLE)FindDataHandle;
|
|
}
|
|
else
|
|
{
|
|
SetLastError(ERROR_NOT_SUPPORTED);
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
HANDLE
|
|
WINAPI
|
|
FindFirstStreamW(IN LPCWSTR lpFileName,
|
|
IN STREAM_INFO_LEVELS InfoLevel,
|
|
OUT LPVOID lpFindStreamData,
|
|
IN DWORD dwFlags)
|
|
{
|
|
PFIND_DATA_HANDLE FindDataHandle = NULL;
|
|
PFIND_STREAM_DATA FindStreamData;
|
|
OBJECT_ATTRIBUTES ObjectAttributes;
|
|
IO_STATUS_BLOCK IoStatusBlock;
|
|
UNICODE_STRING NtFilePath;
|
|
HANDLE FileHandle = NULL;
|
|
NTSTATUS Status;
|
|
ULONG BufferSize = 0;
|
|
|
|
if (dwFlags != 0 || InfoLevel != FindStreamInfoStandard ||
|
|
lpFindStreamData == NULL)
|
|
{
|
|
SetLastError(ERROR_INVALID_PARAMETER);
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
/* Validate and translate the filename */
|
|
if (!RtlDosPathNameToNtPathName_U(lpFileName,
|
|
&NtFilePath,
|
|
NULL, NULL))
|
|
{
|
|
SetLastError(ERROR_PATH_NOT_FOUND);
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
/* Open the file */
|
|
InitializeObjectAttributes(&ObjectAttributes,
|
|
&NtFilePath,
|
|
OBJ_CASE_INSENSITIVE,
|
|
NULL,
|
|
NULL);
|
|
|
|
Status = NtCreateFile(&FileHandle,
|
|
0,
|
|
&ObjectAttributes,
|
|
&IoStatusBlock,
|
|
NULL, 0,
|
|
FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
FILE_OPEN,
|
|
0, NULL, 0);
|
|
if (!NT_SUCCESS(Status)) goto Cleanup;
|
|
|
|
/*
|
|
* Initialization of the search handle.
|
|
*/
|
|
FindDataHandle = RtlAllocateHeap(RtlGetProcessHeap(),
|
|
HEAP_ZERO_MEMORY,
|
|
sizeof(FIND_DATA_HANDLE) +
|
|
sizeof(FIND_STREAM_DATA));
|
|
if (!FindDataHandle)
|
|
{
|
|
Status = STATUS_NO_MEMORY;
|
|
goto Cleanup;
|
|
}
|
|
|
|
FindDataHandle->Type = FindStream;
|
|
FindDataHandle->u.FindStreamData = (PFIND_STREAM_DATA)(FindDataHandle + 1);
|
|
FindStreamData = FindDataHandle->u.FindStreamData;
|
|
|
|
FindStreamData->InfoLevel = InfoLevel;
|
|
FindStreamData->FileStreamInfo = NULL;
|
|
FindStreamData->CurrentInfo = NULL;
|
|
|
|
/* The critical section must always be initialized */
|
|
Status = RtlInitializeCriticalSection(&FindDataHandle->Lock);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
RtlFreeHeap(RtlGetProcessHeap(), 0, FindDataHandle);
|
|
goto Cleanup;
|
|
}
|
|
|
|
/* Capture all information about the streams */
|
|
do
|
|
{
|
|
BufferSize += 0x1000;
|
|
|
|
if (FindStreamData->FileStreamInfo == NULL)
|
|
{
|
|
FindStreamData->FileStreamInfo = RtlAllocateHeap(RtlGetProcessHeap(),
|
|
HEAP_ZERO_MEMORY,
|
|
BufferSize);
|
|
if (FindStreamData->FileStreamInfo == NULL)
|
|
{
|
|
Status = STATUS_NO_MEMORY;
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
PFILE_STREAM_INFORMATION pfsi;
|
|
|
|
pfsi = RtlReAllocateHeap(RtlGetProcessHeap(),
|
|
0, // HEAP_ZERO_MEMORY,
|
|
FindStreamData->FileStreamInfo,
|
|
BufferSize);
|
|
if (pfsi == NULL)
|
|
{
|
|
Status = STATUS_NO_MEMORY;
|
|
break;
|
|
}
|
|
|
|
FindStreamData->FileStreamInfo = pfsi;
|
|
}
|
|
|
|
Status = NtQueryInformationFile(FileHandle,
|
|
&IoStatusBlock,
|
|
FindStreamData->FileStreamInfo,
|
|
BufferSize,
|
|
FileStreamInformation);
|
|
|
|
} while (Status == STATUS_BUFFER_TOO_SMALL);
|
|
|
|
if (NT_SUCCESS(Status))
|
|
{
|
|
/* Select the first stream and return the information */
|
|
FindStreamData->CurrentInfo = FindStreamData->FileStreamInfo;
|
|
CopyStreamData(FindStreamData, lpFindStreamData);
|
|
|
|
/* All done */
|
|
Status = STATUS_SUCCESS;
|
|
}
|
|
else
|
|
{
|
|
if (FindStreamData->FileStreamInfo)
|
|
{
|
|
RtlFreeHeap(RtlGetProcessHeap(), 0, FindStreamData->FileStreamInfo);
|
|
}
|
|
|
|
RtlFreeHeap(RtlGetProcessHeap(), 0, FindDataHandle);
|
|
}
|
|
|
|
Cleanup:
|
|
if (FileHandle) NtClose(FileHandle);
|
|
|
|
RtlFreeHeap(RtlGetProcessHeap(), 0, NtFilePath.Buffer);
|
|
|
|
if (NT_SUCCESS(Status))
|
|
{
|
|
return (HANDLE)FindDataHandle;
|
|
}
|
|
else
|
|
{
|
|
BaseSetLastNTError(Status);
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
BOOL
|
|
WINAPI
|
|
FindNextStreamW(IN HANDLE hFindStream,
|
|
OUT LPVOID lpFindStreamData)
|
|
{
|
|
PFIND_DATA_HANDLE FindDataHandle = (PFIND_DATA_HANDLE)hFindStream;
|
|
PFIND_STREAM_DATA FindStreamData;
|
|
|
|
if (hFindStream == NULL || hFindStream == INVALID_HANDLE_VALUE ||
|
|
FindDataHandle->Type != FindStream)
|
|
{
|
|
SetLastError(ERROR_INVALID_HANDLE);
|
|
return FALSE;
|
|
}
|
|
|
|
RtlEnterCriticalSection(&FindDataHandle->Lock);
|
|
|
|
FindStreamData = FindDataHandle->u.FindStreamData;
|
|
|
|
/* Select next stream if possible */
|
|
if (FindStreamData->CurrentInfo->NextEntryOffset != 0)
|
|
{
|
|
FindStreamData->CurrentInfo = (PFILE_STREAM_INFORMATION)((ULONG_PTR)FindStreamData->CurrentInfo +
|
|
FindStreamData->CurrentInfo->NextEntryOffset);
|
|
|
|
/* Return the information */
|
|
CopyStreamData(FindStreamData, lpFindStreamData);
|
|
|
|
RtlLeaveCriticalSection(&FindDataHandle->Lock);
|
|
return TRUE;
|
|
}
|
|
else
|
|
{
|
|
RtlLeaveCriticalSection(&FindDataHandle->Lock);
|
|
|
|
SetLastError(ERROR_HANDLE_EOF);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/* EOF */
|