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sys: FSP_FSCTL_VOLUME_PARAMS

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This commit is contained in:
Bill Zissimopoulos
2015-11-28 17:14:11 -08:00
parent d724b3a307
commit 76af18e4d0
4 changed files with 32 additions and 15 deletions
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12
src/dll/fsctl.c
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@ -16,12 +16,14 @@ static inline VOID GlobalDevicePath(PWCHAR DevicePathBuf, SIZE_T DevicePathSize,
L'\\' == DevicePath[0] ? GLOBALROOT "%S" : GLOBALROOT "\\Device\\%S", DevicePath);
}
FSP_API NTSTATUS FspFsctlCreateVolume(PWSTR DevicePath, PSECURITY_DESCRIPTOR SecurityDescriptor,
FSP_API NTSTATUS FspFsctlCreateVolume(PWSTR DevicePath,
const FSP_FSCTL_VOLUME_PARAMS *Params, PSECURITY_DESCRIPTOR SecurityDescriptor,
PHANDLE *PVolumeHandle)
{
NTSTATUS Result = STATUS_SUCCESS;
WCHAR DevicePathBuf[(sizeof GLOBALROOT + FSP_FSCTL_CREATE_BUFFER_SIZE) / sizeof(WCHAR)];
WCHAR VolumePathBuf[FSP_FSCTL_CREATE_BUFFER_SIZE / sizeof(WCHAR)];
FSP_FSCTL_VOLUME_PARAMS *ParamsBuf;
PSECURITY_DESCRIPTOR SecurityDescriptorBuf = 0;
DWORD SecurityDescriptorSize, Bytes;
HANDLE DeviceHandle = INVALID_HANDLE_VALUE;
@ -33,17 +35,19 @@ FSP_API NTSTATUS FspFsctlCreateVolume(PWSTR DevicePath, PSECURITY_DESCRIPTOR Sec
SecurityDescriptorSize = 0;
if (!MakeSelfRelativeSD(SecurityDescriptor, 0, &SecurityDescriptorSize))
{
SecurityDescriptorBuf = malloc(SecurityDescriptorSize);
if (0 == SecurityDescriptorBuf)
ParamsBuf = malloc(sizeof *ParamsBuf + SecurityDescriptorSize);
if (0 == ParamsBuf)
{
Result = STATUS_INSUFFICIENT_RESOURCES;
goto exit;
}
SecurityDescriptorBuf = (PVOID)(ParamsBuf + 1);
if (!MakeSelfRelativeSD(SecurityDescriptor, SecurityDescriptorBuf, &SecurityDescriptorSize))
{
Result = FspNtStatusFromWin32(GetLastError());
goto exit;
}
*ParamsBuf = *Params;
}
DeviceHandle = CreateFileW(DevicePathBuf,
@ -55,7 +59,7 @@ FSP_API NTSTATUS FspFsctlCreateVolume(PWSTR DevicePath, PSECURITY_DESCRIPTOR Sec
}
if (!DeviceIoControl(DeviceHandle, FSP_FSCTL_CREATE,
SecurityDescriptorBuf, SecurityDescriptorSize, VolumePathBuf, sizeof VolumePathBuf,
ParamsBuf, sizeof *ParamsBuf + SecurityDescriptorSize, VolumePathBuf, sizeof VolumePathBuf,
&Bytes, 0))
{
Result = FspNtStatusFromWin32(GetLastError());