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inc,sys,tst: FSP_FSCTL_VOLUME_PARAMS: fine-grained timeouts

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This commit is contained in:
Bill Zissimopoulos
2018-04-21 11:53:14 -07:00
parent 5d34a3bd8c
commit 9501b5771d
7 changed files with 129 additions and 45 deletions
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32
src/sys/volume.c
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@ -101,18 +101,26 @@ static NTSTATUS FspVolumeCreateNoLock(
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension;
/* check parameters */
if (PREFIXW_SIZE + sizeof(FSP_FSCTL_VOLUME_PARAMS) * sizeof(WCHAR) > FileObject->FileName.Length)
if (PREFIXW_SIZE + sizeof(FSP_FSCTL_VOLUME_PARAMS_V0) * sizeof(WCHAR) > FileObject->FileName.Length)
return STATUS_INVALID_PARAMETER;
/* copy the VolumeParams */
for (USHORT Index = 0, Length = sizeof(FSP_FSCTL_VOLUME_PARAMS); Length > Index; Index++)
{
if (PREFIXW_SIZE / sizeof(WCHAR) + Index >= FileObject->FileName.Length / sizeof(WCHAR))
break;
WCHAR Value = FileObject->FileName.Buffer[PREFIXW_SIZE / sizeof(WCHAR) + Index];
if (0xF000 != (Value & 0xFF00))
return STATUS_INVALID_PARAMETER;
((PUINT8)&VolumeParams)[Index] = Value & 0xFF;
}
/* check VolumeParams size */
if (0 != VolumeParams.Version &&
PREFIXW_SIZE + VolumeParams.Version * sizeof(WCHAR) != FileObject->FileName.Length)
return STATUS_INVALID_PARAMETER;
/* check the VolumeParams */
if (0 == VolumeParams.SectorSize)
VolumeParams.SectorSize = 512;
@ -133,6 +141,28 @@ static NTSTATUS FspVolumeCreateNoLock(
if (FspFsctlIrpCapacityMinimum > VolumeParams.IrpCapacity ||
VolumeParams.IrpCapacity > FspFsctlIrpCapacityMaximum)
VolumeParams.IrpCapacity = FspFsctlIrpCapacityDefault;
if (sizeof(FSP_FSCTL_VOLUME_PARAMS_V0) >= VolumeParams.Version)
{
VolumeParams.VolumeInfoTimeout = VolumeParams.FileInfoTimeout;
VolumeParams.DirInfoTimeout = VolumeParams.FileInfoTimeout;
VolumeParams.SecurityTimeout = VolumeParams.FileInfoTimeout;
VolumeParams.StreamInfoTimeout = VolumeParams.FileInfoTimeout;
}
else
{
if (!VolumeParams.VolumeInfoTimeoutValid)
VolumeParams.VolumeInfoTimeout = VolumeParams.FileInfoTimeout;
if (!VolumeParams.DirInfoTimeoutValid)
VolumeParams.DirInfoTimeout = VolumeParams.FileInfoTimeout;
if (!VolumeParams.SecurityTimeoutValid)
VolumeParams.SecurityTimeout = VolumeParams.FileInfoTimeout;
if (!VolumeParams.StreamInfoTimeoutValid)
VolumeParams.StreamInfoTimeout = VolumeParams.FileInfoTimeout;
}
VolumeParams.VolumeInfoTimeoutValid = 1;
VolumeParams.DirInfoTimeoutValid = 1;
VolumeParams.SecurityTimeoutValid = 1;
VolumeParams.StreamInfoTimeoutValid = 1;
if (FILE_DEVICE_NETWORK_FILE_SYSTEM == FsctlDeviceObject->DeviceType)
{
VolumeParams.Prefix[sizeof VolumeParams.Prefix / sizeof(WCHAR) - 1] = L'\0';