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grand EaSize patch; passes winfsp-tests and ifstest

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This commit is contained in:
Bill Zissimopoulos
2019-03-21 18:14:15 -07:00
parent b619dbfe97
commit 732e6cc38c
13 changed files with 123 additions and 41 deletions
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3
inc/winfsp/fsctl.h
View File

@ -230,8 +230,6 @@ typedef struct
PWSTR NormalizedName;
UINT16 NormalizedNameSize;
} FSP_FSCTL_OPEN_FILE_INFO;
FSP_FSCTL_STATIC_ASSERT(88 == sizeof(FSP_FSCTL_OPEN_FILE_INFO),
"sizeof(FSP_FSCTL_OPEN_FILE_INFO) must be exactly 88.");
typedef struct
{
UINT16 Size;
@ -505,6 +503,7 @@ typedef struct
} QueryEa;
struct
{
FSP_FSCTL_FILE_INFO FileInfo;
FSP_FSCTL_TRANSACT_BUF Ea; /* Size==0 means no extended atttributed returned */
} SetEa;
struct

20
inc/winfsp/winfsp.h
View File

@ -1023,6 +1023,9 @@ typedef struct _FSP_FILE_SYSTEM_INTERFACE
* Extended attributes buffer.
* @param EaLength
* Extended attributes buffer length.
* @param FileInfo [out]
* Pointer to a structure that will receive the file information on successful return
* from this call. This information includes file attributes, file times, etc.
* @return
* STATUS_SUCCESS or error code.
* @see
@ -1030,7 +1033,8 @@ typedef struct _FSP_FILE_SYSTEM_INTERFACE
*/
NTSTATUS (*SetEa)(FSP_FILE_SYSTEM *FileSystem,
PVOID FileContext,
PFILE_FULL_EA_INFORMATION Ea, ULONG EaLength);
PFILE_FULL_EA_INFORMATION Ea, ULONG EaLength,
FSP_FSCTL_FILE_INFO *FileInfo);
/*
* This ensures that this interface will always contain 64 function pointers.
@ -1624,6 +1628,20 @@ FSP_API NTSTATUS FspFileSystemEnumerateEa(FSP_FILE_SYSTEM *FileSystem,
*/
FSP_API BOOLEAN FspFileSystemAddEa(PFILE_FULL_EA_INFORMATION SingleEa,
PFILE_FULL_EA_INFORMATION Ea, ULONG EaLength, PULONG PBytesTransferred);
/**
* Get extended attribute "packed" size. This computation matches what NTFS reports.
*
* @param SingleEa
* The extended attribute to get the size for.
* @return
* The packed size of the extended attribute.
*/
static inline
UINT32 FspFileSystemGetEaPackedSize(PFILE_FULL_EA_INFORMATION SingleEa)
{
/* magic computations are courtesy of NTFS */
return 5 + SingleEa->EaNameLength + SingleEa->EaValueLength;
}
/*
* Directory buffering