Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-05-20 09:36:16 +00:00
Code Issues Projects Releases Packages Wiki Activity

[NTOSKRNL]

Browse source 
- In case of AssignSecurityDescriptor operation in IopGetSetSecurityObject(), put the security descriptor in cache before attempting the assignement
- In IopUnloadDevice(), don't attempt to free the security descriptor, let this to Ob by just derefencing it. Spotted & fixed by Thomas.

This unregresses VMware Tools installation.

CORE-7991

svn path=/trunk/; revision=65862
This commit is contained in:
Pierre Schweitzer 2014-12-28 18:31:06 +00:00
parent 3b73052bf8
commit 1c36df367b
2 changed files with 21 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
reactos/ntoskrnl/io/iomgr/device.c
View file

@ -396,8 +396,8 @@ IopUnloadDevice(IN PDEVICE_OBJECT DeviceObject)
/* Check if we have a Security Descriptor */
if (DeviceObject->SecurityDescriptor)
{
/* Free it */
ExFreePoolWithTag(DeviceObject->SecurityDescriptor, TAG_SD);
/* Dereference it */
ObDereferenceSecurityDescriptor(DeviceObject->SecurityDescriptor, 1);
}
/* Remove the device from the list */

23
reactos/ntoskrnl/io/iomgr/file.c
View file

@ -1551,15 +1551,30 @@ IopGetSetSecurityObject(IN PVOID ObjectBody,
}
else if (OperationCode == AssignSecurityDescriptor)
{
Status = STATUS_SUCCESS;
/* Make absolutely sure this is a device object */
if (!(FileObject) || !(FileObject->Flags & FO_STREAM_FILE))
{
/* Assign the Security Descriptor */
DeviceObject->SecurityDescriptor = SecurityDescriptor;
PSECURITY_DESCRIPTOR CachedSecurityDescriptor;
/* Add the security descriptor in cache */
Status = ObLogSecurityDescriptor(SecurityDescriptor, &CachedSecurityDescriptor, 1);
if (NT_SUCCESS(Status))
{
KeEnterCriticalRegion();
ExAcquireResourceExclusiveLite(&IopSecurityResource, TRUE);
/* Assign the Security Descriptor */
DeviceObject->SecurityDescriptor = CachedSecurityDescriptor;
ExReleaseResourceLite(&IopSecurityResource);
KeLeaveCriticalRegion();
}
}
/* Return success */
return STATUS_SUCCESS;
/* Return status */
return Status;
}
else if (OperationCode == SetSecurityDescriptor)
{