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tst: passthrough file system: WIP

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This commit is contained in:
Bill Zissimopoulos 2017-01-20 11:07:39 -08:00
parent 117ab9c3e4
commit 8cb76783ad
1 changed files with 46 additions and 3 deletions
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49
tst/passthrough/passthrough.c
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@ -279,14 +279,44 @@ static NTSTATUS Write(FSP_FILE_SYSTEM *FileSystem,
BOOLEAN WriteToEndOfFile, BOOLEAN ConstrainedIo, BOOLEAN WriteToEndOfFile, BOOLEAN ConstrainedIo,
PULONG PBytesTransferred, FSP_FSCTL_FILE_INFO *FileInfo) PULONG PBytesTransferred, FSP_FSCTL_FILE_INFO *FileInfo)
{ {
return STATUS_INVALID_DEVICE_REQUEST; HANDLE Handle = FileContext;
LARGE_INTEGER FileSize;
OVERLAPPED Overlapped = { 0 };
if (ConstrainedIo)
{
if (!GetFileSizeEx(Handle, &FileSize))
return FspNtStatusFromWin32(GetLastError());
if (Offset >= (UINT64)FileSize.QuadPart)
return STATUS_SUCCESS;
if (Offset + Length > (UINT64)FileSize.QuadPart)
Length = (ULONG)((UINT64)FileSize.QuadPart - Offset);
}
Overlapped.Offset = (DWORD)Offset;
Overlapped.OffsetHigh = (DWORD)(Offset >> 32);
if (!WriteFile(Handle, Buffer, Length, PBytesTransferred, &Overlapped))
return FspNtStatusFromWin32(GetLastError());
return GetFileInfoInternal(Handle, FileInfo);
} }
NTSTATUS Flush(FSP_FILE_SYSTEM *FileSystem, NTSTATUS Flush(FSP_FILE_SYSTEM *FileSystem,
PVOID FileContext, PVOID FileContext,
FSP_FSCTL_FILE_INFO *FileInfo) FSP_FSCTL_FILE_INFO *FileInfo)
{ {
return STATUS_INVALID_DEVICE_REQUEST; HANDLE Handle = FileContext;
/* we do not flush the whole volume, so just return SUCCESS */
if (0 == Handle)
return STATUS_SUCCESS;
if (!FlushFileBuffers(Handle))
return FspNtStatusFromWin32(GetLastError());
return GetFileInfoInternal(Handle, FileInfo);
} }
static NTSTATUS GetFileInfo(FSP_FILE_SYSTEM *FileSystem, static NTSTATUS GetFileInfo(FSP_FILE_SYSTEM *FileSystem,
@ -303,7 +333,20 @@ static NTSTATUS SetBasicInfo(FSP_FILE_SYSTEM *FileSystem,
UINT64 CreationTime, UINT64 LastAccessTime, UINT64 LastWriteTime, UINT64 ChangeTime, UINT64 CreationTime, UINT64 LastAccessTime, UINT64 LastWriteTime, UINT64 ChangeTime,
FSP_FSCTL_FILE_INFO *FileInfo) FSP_FSCTL_FILE_INFO *FileInfo)
{ {
return STATUS_INVALID_DEVICE_REQUEST; HANDLE Handle = FileContext;
FILE_BASIC_INFO BasicInfo = { 0 };
BasicInfo.FileAttributes = INVALID_FILE_ATTRIBUTES != FileAttributes ? FileAttributes : 0;
BasicInfo.CreationTime.QuadPart = CreationTime;
BasicInfo.LastAccessTime.QuadPart = LastAccessTime;
BasicInfo.LastWriteTime.QuadPart = LastWriteTime;
//BasicInfo.ChangeTime = ChangeTime;
if (!SetFileInformationByHandle(Handle,
FileBasicInfo, &BasicInfo, sizeof BasicInfo))
return FspNtStatusFromWin32(GetLastError());
return GetFileInfoInternal(Handle, FileInfo);
} }
static NTSTATUS SetFileSize(FSP_FILE_SYSTEM *FileSystem, static NTSTATUS SetFileSize(FSP_FILE_SYSTEM *FileSystem,