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sys: FileEaInformation and EaSize support

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This commit is contained in:
Bill Zissimopoulos 2019-03-21 14:05:17 -07:00
parent 8c0957f702
commit 62b0e889b2
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GPG Key ID: 3D4F95D52C7B3EA3
3 changed files with 46 additions and 17 deletions
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11
inc/winfsp/fsctl.h
View File

@ -206,6 +206,8 @@ typedef struct
UINT16 VolumeLabelLength;
WCHAR VolumeLabel[32];
} FSP_FSCTL_VOLUME_INFO;
FSP_FSCTL_STATIC_ASSERT(88 == sizeof(FSP_FSCTL_VOLUME_INFO),
"sizeof(FSP_FSCTL_VOLUME_INFO) must be exactly 88.");
typedef struct
{
UINT32 FileAttributes;
@ -218,13 +220,18 @@ typedef struct
UINT64 ChangeTime;
UINT64 IndexNumber;
UINT32 HardLinks; /* unimplemented: set to 0 */
UINT32 EaSize;
} FSP_FSCTL_FILE_INFO;
FSP_FSCTL_STATIC_ASSERT(72 == sizeof(FSP_FSCTL_FILE_INFO),
"sizeof(FSP_FSCTL_FILE_INFO) must be exactly 72.");
typedef struct
{
FSP_FSCTL_FILE_INFO FileInfo;
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;
@ -233,6 +240,8 @@ typedef struct
/* make struct as big as FILE_ID_BOTH_DIR_INFORMATION; allows for in-place copying */
WCHAR FileNameBuf[];
} FSP_FSCTL_DIR_INFO;
FSP_FSCTL_STATIC_ASSERT(104 == sizeof(FSP_FSCTL_DIR_INFO),
"sizeof(FSP_FSCTL_DIR_INFO) must be exactly 104.");
typedef struct
{
UINT16 Size;
@ -240,6 +249,8 @@ typedef struct
UINT64 StreamAllocationSize;
WCHAR StreamNameBuf[];
} FSP_FSCTL_STREAM_INFO;
FSP_FSCTL_STATIC_ASSERT(24 == sizeof(FSP_FSCTL_STREAM_INFO),
"sizeof(FSP_FSCTL_STREAM_INFO) must be exactly 24.");
typedef struct
{
UINT64 UserContext;

13
src/sys/dirctl.c
View File

@ -25,6 +25,7 @@ static NTSTATUS FspFsvolQueryDirectoryCopy(
PUNICODE_STRING DirectoryPattern, BOOLEAN CaseInsensitive,
PUNICODE_STRING DirectoryMarker, PUNICODE_STRING DirectoryMarkerOut,
FILE_INFORMATION_CLASS FileInformationClass, BOOLEAN ReturnSingleEntry,
BOOLEAN ReturnEaSize,
FSP_FSCTL_DIR_INFO **PDirInfo, ULONG DirInfoSize,
PVOID DestBuf, PULONG PDestLen);
static NTSTATUS FspFsvolQueryDirectoryCopyCache(
@ -88,6 +89,7 @@ static NTSTATUS FspFsvolQueryDirectoryCopy(
PUNICODE_STRING DirectoryPattern, BOOLEAN CaseInsensitive,
PUNICODE_STRING DirectoryMarker, PUNICODE_STRING DirectoryMarkerOut,
FILE_INFORMATION_CLASS FileInformationClass, BOOLEAN ReturnSingleEntry,
BOOLEAN ReturnEaSize,
FSP_FSCTL_DIR_INFO **PDirInfo, ULONG DirInfoSize,
PVOID DestBuf, PULONG PDestLen)
{
@ -226,12 +228,12 @@ static NTSTATUS FspFsvolQueryDirectoryCopy(
break;
case FileFullDirectoryInformation:
FILL_INFO(FILE_FULL_DIR_INFORMATION,
Info->EaSize = 0;
Info->EaSize = ReturnEaSize ? DirInfo->FileInfo.EaSize : 0;
);
break;
case FileIdFullDirectoryInformation:
FILL_INFO(FILE_ID_FULL_DIR_INFORMATION,
Info->EaSize = 0;
Info->EaSize = ReturnEaSize ? DirInfo->FileInfo.EaSize : 0;
Info->FileId.QuadPart = DirInfo->FileInfo.IndexNumber;
);
break;
@ -240,14 +242,14 @@ static NTSTATUS FspFsvolQueryDirectoryCopy(
break;
case FileBothDirectoryInformation:
FILL_INFO(FILE_BOTH_DIR_INFORMATION,
Info->EaSize = 0;
Info->EaSize = ReturnEaSize ? DirInfo->FileInfo.EaSize : 0;
Info->ShortNameLength = 0;
RtlZeroMemory(Info->ShortName, sizeof Info->ShortName);
);
break;
case FileIdBothDirectoryInformation:
FILL_INFO(FILE_ID_BOTH_DIR_INFORMATION,
Info->EaSize = 0;
Info->EaSize = ReturnEaSize ? DirInfo->FileInfo.EaSize : 0;
Info->ShortNameLength = 0;
RtlZeroMemory(Info->ShortName, sizeof Info->ShortName);
Info->FileId.QuadPart = DirInfo->FileInfo.IndexNumber;
@ -321,6 +323,7 @@ static NTSTATUS FspFsvolQueryDirectoryCopyCache(
Result = FspFsvolQueryDirectoryCopy(DirectoryPattern, CaseInsensitive,
0 != FileDesc->DirInfoCacheHint ? 0 : &FileDesc->DirectoryMarker, &DirectoryMarker,
FileInformationClass, ReturnSingleEntry,
!!FspFsvolDeviceExtension(FileNode->FsvolDeviceObject)->VolumeParams.ExtendedAttributes,
&DirInfo, DirInfoSize,
DestBuf, PDestLen);
@ -354,6 +357,7 @@ static NTSTATUS FspFsvolQueryDirectoryCopyInPlace(
BOOLEAN CaseInsensitive = !FileDesc->CaseSensitive;
PUNICODE_STRING DirectoryPattern = &FileDesc->DirectoryPattern;
UNICODE_STRING DirectoryMarker = FileDesc->DirectoryMarker;
FSP_FILE_NODE *FileNode = FileDesc->FileNode;
FSP_FSCTL_STATIC_ASSERT(
FIELD_OFFSET(FSP_FSCTL_DIR_INFO, FileNameBuf) >=
@ -363,6 +367,7 @@ static NTSTATUS FspFsvolQueryDirectoryCopyInPlace(
Result = FspFsvolQueryDirectoryCopy(DirectoryPattern, CaseInsensitive,
0, &DirectoryMarker,
FileInformationClass, ReturnSingleEntry,
!!FspFsvolDeviceExtension(FileNode->FsvolDeviceObject)->VolumeParams.ExtendedAttributes,
&DirInfo, DirInfoSize,
DestBuf, PDestLen);

35
src/sys/fileinfo.c
View File

@ -31,7 +31,8 @@ static NTSTATUS FspFsvolQueryBasicInformation(PFILE_OBJECT FileObject,
PVOID *PBuffer, PVOID BufferEnd,
const FSP_FSCTL_FILE_INFO *FileInfo);
static NTSTATUS FspFsvolQueryEaInformation(PFILE_OBJECT FileObject,
PVOID *PBuffer, PVOID BufferEnd);
PVOID *PBuffer, PVOID BufferEnd,
const FSP_FSCTL_FILE_INFO *FileInfo);
static NTSTATUS FspFsvolQueryInternalInformation(PFILE_OBJECT FileObject,
PVOID *PBuffer, PVOID BufferEnd);
static NTSTATUS FspFsvolQueryNameInformation(PFILE_OBJECT FileObject,
@ -175,7 +176,9 @@ static NTSTATUS FspFsvolQueryAllInformation(PFILE_OBJECT FileObject,
Info->InternalInformation.IndexNumber.QuadPart = FileNode->IndexNumber;
Info->EaInformation.EaSize = 0;
Info->EaInformation.EaSize =
FspFsvolDeviceExtension(FileNode->FsvolDeviceObject)->VolumeParams.ExtendedAttributes ?
FileInfo->EaSize : 0;
Info->PositionInformation.CurrentByteOffset = FileObject->CurrentByteOffset;
@ -236,20 +239,25 @@ static NTSTATUS FspFsvolQueryBasicInformation(PFILE_OBJECT FileObject,
}
static NTSTATUS FspFsvolQueryEaInformation(PFILE_OBJECT FileObject,
PVOID *PBuffer, PVOID BufferEnd)
PVOID *PBuffer, PVOID BufferEnd,
const FSP_FSCTL_FILE_INFO *FileInfo)
{
PAGED_CODE();
PFILE_EA_INFORMATION Info = (PFILE_EA_INFORMATION)*PBuffer;
if (0 == FileInfo)
{
if ((PVOID)(Info + 1) > BufferEnd)
return STATUS_BUFFER_TOO_SMALL;
/*
* No EA support currently. We must nevertheless respond to this query
* or SRV2 gets unhappy. Just tell them that we have 0 EA's.
*/
Info->EaSize = 0;
return STATUS_SUCCESS;
}
FSP_FILE_NODE *FileNode = FileObject->FsContext;
Info->EaSize =
FspFsvolDeviceExtension(FileNode->FsvolDeviceObject)->VolumeParams.ExtendedAttributes ?
FileInfo->EaSize : 0;
*PBuffer = (PVOID)(Info + 1);
@ -679,9 +687,8 @@ static NTSTATUS FspFsvolQueryInformation(
Result = STATUS_INVALID_PARAMETER; /* no compression support */
return Result;
case FileEaInformation:
Result = FspFsvolQueryEaInformation(FileObject, &Buffer, BufferEnd);
Irp->IoStatus.Information = (UINT_PTR)((PUINT8)Buffer - (PUINT8)Irp->AssociatedIrp.SystemBuffer);
return Result;
Result = FspFsvolQueryEaInformation(FileObject, &Buffer, BufferEnd, 0);
break;
case FileHardLinkInformation:
Result = STATUS_NOT_SUPPORTED; /* no hard link support */
return Result;
@ -733,6 +740,9 @@ static NTSTATUS FspFsvolQueryInformation(
case FileBasicInformation:
Result = FspFsvolQueryBasicInformation(FileObject, &Buffer, BufferEnd, &FileInfoBuf);
break;
case FileEaInformation:
Result = FspFsvolQueryEaInformation(FileObject, &Buffer, BufferEnd, &FileInfoBuf);
break;
case FileNetworkOpenInformation:
Result = FspFsvolQueryNetworkOpenInformation(FileObject, &Buffer, BufferEnd, &FileInfoBuf);
break;
@ -840,6 +850,9 @@ NTSTATUS FspFsvolQueryInformationComplete(
case FileBasicInformation:
Result = FspFsvolQueryBasicInformation(FileObject, &Buffer, BufferEnd, FileInfo);
break;
case FileEaInformation:
Result = FspFsvolQueryEaInformation(FileObject, &Buffer, BufferEnd, FileInfo);
break;
case FileNetworkOpenInformation:
Result = FspFsvolQueryNetworkOpenInformation(FileObject, &Buffer, BufferEnd, FileInfo);
break;