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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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62
src/dll/fsop.c
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@ -1187,21 +1187,21 @@ FSP_API NTSTATUS FspFileSystemOpQueryEa(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_RSP *Response)
{
NTSTATUS Result;
SIZE_T EaSize;
ULONG BytesTransferred;
if (0 == FileSystem->Interface->GetEa)
return STATUS_INVALID_DEVICE_REQUEST;
EaSize = FSP_FSCTL_TRANSACT_RSP_BUFFER_SIZEMAX;
BytesTransferred = 0;
Result = FileSystem->Interface->GetEa(FileSystem,
(PVOID)ValOfFileContext(Request->Req.QueryEa),
(PVOID)Response->Buffer, &EaSize);
(PVOID)Response->Buffer, FSP_FSCTL_TRANSACT_RSP_BUFFER_SIZEMAX, &BytesTransferred);
if (!NT_SUCCESS(Result))
return STATUS_BUFFER_OVERFLOW != Result ? Result : STATUS_EA_LIST_INCONSISTENT;
Response->Size = (UINT16)(sizeof *Response + EaSize);
Response->Size = (UINT16)(sizeof *Response + BytesTransferred);
Response->Rsp.QueryEa.Ea.Offset = 0;
Response->Rsp.QueryEa.Ea.Size = (UINT16)EaSize;
Response->Rsp.QueryEa.Ea.Size = (UINT16)BytesTransferred;
return STATUS_SUCCESS;
}
@ -1797,3 +1797,55 @@ FSP_API BOOLEAN FspFileSystemAddStreamInfo(FSP_FSCTL_STREAM_INFO *StreamInfo,
{
return FspFileSystemAddXxxInfo(StreamInfo, Buffer, Length, PBytesTransferred);
}
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)
{
PFILE_FULL_EA_INFORMATION EaEnd = (PVOID)((PUINT8)Ea + EaLength);
NTSTATUS Result;
Result = STATUS_SUCCESS;
for (;
EaEnd > Ea && 0 != Ea->NextEntryOffset;
Ea = (PVOID)((PUINT8)Ea + Ea->NextEntryOffset))
{
Result = EnumerateEa(FileSystem, Context, Ea);
if (!NT_SUCCESS(Result))
break;
}
return Result;
}
FSP_API BOOLEAN FspFileSystemAddEa(PFILE_FULL_EA_INFORMATION SingleEa,
PFILE_FULL_EA_INFORMATION Ea, ULONG Length, PULONG PBytesTransferred)
{
if (0 != SingleEa)
{
PUINT8 EaEnd = (PUINT8)Ea + Length;
ULONG EaLength = sizeof *SingleEa + SingleEa->EaNameLength + SingleEa->EaValueLength;
Ea = (PVOID)((PUINT8)Ea + *PBytesTransferred);
if ((PUINT8)Ea + EaLength > EaEnd)
return FALSE;
memcpy(Ea, SingleEa, EaLength);
Ea->NextEntryOffset = FSP_FSCTL_ALIGN_UP(EaLength, sizeof(ULONG));
*PBytesTransferred += EaLength;
}
else if (sizeof *SingleEa <= *PBytesTransferred)
{
PUINT8 EaEnd = (PUINT8)Ea + *PBytesTransferred;
while (EaEnd > (PUINT8)Ea + Ea->NextEntryOffset)
Ea = (PVOID)((PUINT8)Ea + Ea->NextEntryOffset);
Ea->NextEntryOffset = 0;
}
return TRUE;
}