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sys,dll: GetDirInfoByName

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This commit is contained in:
Bill Zissimopoulos
2017-09-25 19:46:36 -07:00
parent 3ede1a5c70
commit 34546def3c
4 changed files with 90 additions and 15 deletions
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61
src/dll/fsop.c
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@ -1121,6 +1121,39 @@ FSP_API NTSTATUS FspFileSystemOpSetVolumeInformation(FSP_FILE_SYSTEM *FileSystem
return STATUS_SUCCESS;
}
static NTSTATUS FspFileSystemOpQueryDirectory_GetDirInfoByName(FSP_FILE_SYSTEM *FileSystem,
PVOID FileContext, PWSTR FileName, BOOLEAN HasMarker,
PVOID Buffer, ULONG Length, PULONG PBytesTransferred)
{
NTSTATUS Result;
union
{
FSP_FSCTL_DIR_INFO V;
UINT8 B[sizeof(FSP_FSCTL_DIR_INFO) + 255 * sizeof(WCHAR)];
} DirInfoBuf;
FSP_FSCTL_DIR_INFO *DirInfo = &DirInfoBuf.V;
memset(DirInfo, 0, sizeof *DirInfo);
if (!HasMarker)
{
Result = FileSystem->Interface->GetDirInfoByName(FileSystem,
FileContext, FileName, DirInfo);
if (!NT_SUCCESS(Result))
return Result;
if (FspFileSystemAddDirInfo(DirInfo, Buffer, Length, PBytesTransferred))
FspFileSystemAddDirInfo(0, Buffer, Length, PBytesTransferred);
}
else
{
Result = STATUS_SUCCESS;
FspFileSystemAddDirInfo(0, Buffer, Length, PBytesTransferred);
}
return Result;
}
FSP_API NTSTATUS FspFileSystemOpQueryDirectory(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_RSP *Response)
{
@ -1131,15 +1164,25 @@ FSP_API NTSTATUS FspFileSystemOpQueryDirectory(FSP_FILE_SYSTEM *FileSystem,
return STATUS_INVALID_DEVICE_REQUEST;
BytesTransferred = 0;
Result = FileSystem->Interface->ReadDirectory(FileSystem,
(PVOID)ValOfFileContext(Request->Req.QueryDirectory),
0 != Request->Req.QueryDirectory.Pattern.Size ?
(PWSTR)(Request->Buffer + Request->Req.QueryDirectory.Pattern.Offset) : 0,
0 != Request->Req.QueryDirectory.Marker.Size ?
(PWSTR)(Request->Buffer + Request->Req.QueryDirectory.Marker.Offset) : 0,
(PVOID)Request->Req.QueryDirectory.Address,
Request->Req.QueryDirectory.Length,
&BytesTransferred);
if (0 != FileSystem->Interface->GetDirInfoByName &&
0 != Request->Req.QueryDirectory.Pattern.Size && Request->Req.QueryDirectory.PatternIsFileName)
Result = FspFileSystemOpQueryDirectory_GetDirInfoByName(FileSystem,
(PVOID)ValOfFileContext(Request->Req.QueryDirectory),
(PWSTR)(Request->Buffer + Request->Req.QueryDirectory.Pattern.Offset),
0 != Request->Req.QueryDirectory.Marker.Size,
(PVOID)Request->Req.QueryDirectory.Address,
Request->Req.QueryDirectory.Length,
&BytesTransferred);
else
Result = FileSystem->Interface->ReadDirectory(FileSystem,
(PVOID)ValOfFileContext(Request->Req.QueryDirectory),
0 != Request->Req.QueryDirectory.Pattern.Size ?
(PWSTR)(Request->Buffer + Request->Req.QueryDirectory.Pattern.Offset) : 0,
0 != Request->Req.QueryDirectory.Marker.Size ?
(PWSTR)(Request->Buffer + Request->Req.QueryDirectory.Marker.Offset) : 0,
(PVOID)Request->Req.QueryDirectory.Address,
Request->Req.QueryDirectory.Length,
&BytesTransferred);
if (!NT_SUCCESS(Result))
return Result;