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sys: fsctl: WIP

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This commit is contained in:
Bill Zissimopoulos
2015-11-24 17:34:02 -08:00
parent 2d98e2a42d
commit f69b5f7864
2 changed files with 43 additions and 6 deletions
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30
src/sys/fsctl.c
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@ -125,6 +125,9 @@ static NTSTATUS FspFsvrtTransact(
NTSTATUS Result;
FSP_FSVRT_DEVICE_EXTENSION *FsvrtDeviceExtension = FspFsvrtDeviceExtension(DeviceObject);
PUINT8 SystemBufferEnd;
FSP_TRANSACT_RSP *Response;
PIRP ProcessIrp;
/* access check */
Result = FspSecuritySubjectContextAccessCheck(
@ -132,7 +135,32 @@ static NTSTATUS FspFsvrtTransact(
if (!NT_SUCCESS(Result))
return Result;
return STATUS_INVALID_DEVICE_REQUEST;
/* process any user-mode file system responses */
Response = SystemBuffer;
SystemBufferEnd = (PUINT8)SystemBuffer + InputBufferLength;
for (;;)
{
if ((PUINT8)Response + sizeof(Response->Size) > SystemBufferEnd ||
sizeof(FSP_TRANSACT_RSP) > Response->Size ||
(PUINT8)Response + Response->Size > SystemBufferEnd)
break;
ProcessIrp = FspIoqEndProcessingIrp(&FsvrtDeviceExtension->Ioq, Response->Hint);
if (0 == ProcessIrp)
/* either IRP was canceled or a bogus IrpHint was provided */
continue;
//FspDispatchProcessedIrp(ProcessIrp, Response);
Response = (PVOID)((PUINT8)Response + Response->Size);
}
if (FspIoqPostIrp(&FsvrtDeviceExtension->TransactIoq, Irp))
Result = STATUS_PENDING;
else
Result = STATUS_ACCESS_DENIED;
return Result;
}
static NTSTATUS FspFsctlFileSystemControl(