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sys,dll: DeviceControl operation

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This commit is contained in:
Bill Zissimopoulos
2018-05-04 13:56:20 -07:00
parent 7aadf259d9
commit 894ae7b8f3
10 changed files with 296 additions and 5 deletions
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1
src/dll/fs.c
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@ -162,6 +162,7 @@ FSP_API NTSTATUS FspFileSystemCreate(PWSTR DevicePath,
FileSystem->Operations[FspFsctlTransactSetVolumeInformationKind] = FspFileSystemOpSetVolumeInformation;
FileSystem->Operations[FspFsctlTransactQueryDirectoryKind] = FspFileSystemOpQueryDirectory;
FileSystem->Operations[FspFsctlTransactFileSystemControlKind] = FspFileSystemOpFileSystemControl;
FileSystem->Operations[FspFsctlTransactDeviceControlKind] = FspFileSystemOpDeviceControl;
FileSystem->Operations[FspFsctlTransactQuerySecurityKind] = FspFileSystemOpQuerySecurity;
FileSystem->Operations[FspFsctlTransactSetSecurityKind] = FspFileSystemOpSetSecurity;
FileSystem->Operations[FspFsctlTransactQueryStreamInformationKind] = FspFileSystemOpQueryStreamInformation;

24
src/dll/fsop.c
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@ -1247,6 +1247,30 @@ FSP_API NTSTATUS FspFileSystemOpFileSystemControl(FSP_FILE_SYSTEM *FileSystem,
return Result;
}
FSP_API NTSTATUS FspFileSystemOpDeviceControl(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_RSP *Response)
{
NTSTATUS Result;
ULONG BytesTransferred;
if (0 == FileSystem->Interface->Control)
return STATUS_INVALID_DEVICE_REQUEST;
Result = FileSystem->Interface->Control(FileSystem,
(PVOID)ValOfFileContext(Request->Req.DeviceControl),
Request->Req.DeviceControl.IoControlCode,
Request->Buffer, Request->Req.DeviceControl.Buffer.Size,
Response->Buffer, Request->Req.DeviceControl.OutputLength/* FSD guarantees correct size! */,
&BytesTransferred);
if (!NT_SUCCESS(Result))
return STATUS_BUFFER_OVERFLOW != Result ? Result : STATUS_BUFFER_TOO_SMALL;
Response->Size = (UINT16)(sizeof *Response + BytesTransferred);
Response->Rsp.DeviceControl.Buffer.Offset = 0;
Response->Rsp.DeviceControl.Buffer.Size = (UINT16)BytesTransferred;
return STATUS_SUCCESS;
}
FSP_API NTSTATUS FspFileSystemOpQuerySecurity(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_RSP *Response)
{