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tst: memfs: extended attributes support

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This commit is contained in:
Bill Zissimopoulos
2019-03-13 21:44:10 -07:00
parent 58c6708123
commit d8686a7726
3 changed files with 384 additions and 11 deletions
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66
inc/winfsp/winfsp.h
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@ -88,6 +88,9 @@ typedef struct _REPARSE_DATA_BUFFER
/*
* The FILE_FULL_EA_INFORMATION definitions are missing from the user mode headers.
*/
#if !defined(FILE_NEED_EA)
#define FILE_NEED_EA 0x00000080
#endif
typedef struct _FILE_FULL_EA_INFORMATION
{
ULONG NextEntryOffset;
@ -953,7 +956,7 @@ typedef struct _FSP_FILE_SYSTEM_INTERFACE
NTSTATUS (*CreateEx)(FSP_FILE_SYSTEM *FileSystem,
PWSTR FileName, UINT32 CreateOptions, UINT32 GrantedAccess,
UINT32 FileAttributes, PSECURITY_DESCRIPTOR SecurityDescriptor, UINT64 AllocationSize,
PFILE_FULL_EA_INFORMATION Ea, SIZE_T EaLength,
PFILE_FULL_EA_INFORMATION Ea, ULONG EaLength,
PVOID *PFileContext, FSP_FSCTL_FILE_INFO *FileInfo);
/**
* Overwrite a file.
@ -985,7 +988,7 @@ typedef struct _FSP_FILE_SYSTEM_INTERFACE
*/
NTSTATUS (*OverwriteEx)(FSP_FILE_SYSTEM *FileSystem,
PVOID FileContext, UINT32 FileAttributes, BOOLEAN ReplaceFileAttributes, UINT64 AllocationSize,
PFILE_FULL_EA_INFORMATION Ea, SIZE_T EaLength,
PFILE_FULL_EA_INFORMATION Ea, ULONG EaLength,
FSP_FSCTL_FILE_INFO *FileInfo);
/**
* Get extended attributes.
@ -996,16 +999,19 @@ typedef struct _FSP_FILE_SYSTEM_INTERFACE
* The file context of the file to get extended attributes for.
* @param Ea
* Extended attributes buffer.
* @param EaLength [in,out]
* @param EaLength
* Extended attributes buffer length.
* @param PBytesTransferred [out]
* Pointer to a memory location that will receive the actual number of bytes transferred.
* @return
* STATUS_SUCCESS or error code.
* @see
* SetEa
* FspFileSystemAddEa
*/
NTSTATUS (*GetEa)(FSP_FILE_SYSTEM *FileSystem,
PVOID FileContext,
PFILE_FULL_EA_INFORMATION Ea, PSIZE_T PEaLength);
PFILE_FULL_EA_INFORMATION Ea, ULONG EaLength, PULONG PBytesTransferred);
/**
* Set extended attributes.
*
@ -1024,7 +1030,7 @@ typedef struct _FSP_FILE_SYSTEM_INTERFACE
*/
NTSTATUS (*SetEa)(FSP_FILE_SYSTEM *FileSystem,
PVOID FileContext,
PFILE_FULL_EA_INFORMATION Ea, SIZE_T EaLength);
PFILE_FULL_EA_INFORMATION Ea, ULONG EaLength);
/*
* This ensures that this interface will always contain 64 function pointers.
@ -1568,6 +1574,56 @@ FSP_API NTSTATUS FspFileSystemCanReplaceReparsePoint(
*/
FSP_API BOOLEAN FspFileSystemAddStreamInfo(FSP_FSCTL_STREAM_INFO *StreamInfo,
PVOID Buffer, ULONG Length, PULONG PBytesTransferred);
/**
* Enumerate extended attributes in a buffer.
*
* This is a helper for implementing the CreateEx and SetEa operations in file systems
* that support extended attributes.
*
* @param FileSystem
* The file system object.
* @param EnumerateEa
* Pointer to function that receives a single extended attribute. The function
* should return STATUS_SUCCESS or an error code if unsuccessful.
* @param Context
* User context to supply to EnumEa.
* @param Ea
* Extended attributes buffer.
* @param EaLength
* Extended attributes buffer length.
* @return
* STATUS_SUCCESS or error code from EnumerateEa.
*/
FSP_API NTSTATUS FspFileSystemEnumerateEa(FSP_FILE_SYSTEM *FileSystem,
NTSTATUS (*EnumerateEa)(
FSP_FILE_SYSTEM *FileSystem, PVOID Context,
PFILE_FULL_EA_INFORMATION SingleEa),
PVOID Context,
PFILE_FULL_EA_INFORMATION Ea, ULONG EaLength);
/**
* Add extended attribute to a buffer.
*
* This is a helper for implementing the GetEa operation.
*
* @param SingleEa
* The extended attribute to add. A value of NULL acts as an EOF marker for a GetEa
* operation.
* @param Ea
* Pointer to a buffer that will receive the extended attribute. This should contain
* the same value passed to the GetEa Ea parameter.
* @param EaLength
* Length of buffer. This should contain the same value passed to the GetEa
* EaLength parameter.
* @param PBytesTransferred [out]
* Pointer to a memory location that will receive the actual number of bytes stored. This should
* contain the same value passed to the GetEa PBytesTransferred parameter.
* @return
* TRUE if the extended attribute was added, FALSE if there was not enough space to add it.
* @see
* GetEa
*/
FSP_API BOOLEAN FspFileSystemAddEa(PFILE_FULL_EA_INFORMATION SingleEa,
PFILE_FULL_EA_INFORMATION Ea, ULONG EaLength, PULONG PBytesTransferred);
/*
* Directory buffering