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[KMTESTS:OB]

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- Add a test showing that I was wrong and ZwDuplicateObject can get you a kernel handle after all
CORE-10207

svn path=/trunk/; revision=69570
This commit is contained in:
Thomas Faber 2015-10-17 17:41:43 +00:00
parent 4dad975f3f
commit 44cc9aa006
1 changed files with 48 additions and 0 deletions
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48
rostests/kmtests/ntos_ob/ObHandle.c
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@ -25,6 +25,8 @@
#define IsUserHandle(h) (((ULONG_PTR)(h) & KERNEL_HANDLE_FLAG) == 0)
#define IsKernelHandle(h) (((ULONG_PTR)(h) & KERNEL_HANDLE_FLAG) == KERNEL_HANDLE_FLAG)
static HANDLE SystemProcessHandle;
static
VOID
TestDuplicate(
@ -81,6 +83,34 @@ TestDuplicate(
CheckObject(Handle, 2UL, 1UL, 0UL, DIRECTORY_ALL_ACCESS);
}
}
/* If TargetProcess is the System process, we do get a kernel handle */
Status = ZwDuplicateObject(ZwCurrentProcess(),
Handle,
SystemProcessHandle,
&NewHandle,
DIRECTORY_ALL_ACCESS,
OBJ_KERNEL_HANDLE,
0);
ok_eq_hex(Status, STATUS_SUCCESS);
if (!skip(NT_SUCCESS(Status), "DuplicateHandle failed\n"))
{
ok(IsKernelHandle(NewHandle), "New handle = %p\n", NewHandle);
CheckObject(NewHandle, 3UL, 2UL, 0, DIRECTORY_ALL_ACCESS);
CheckObject(Handle, 3UL, 2UL, 0UL, DIRECTORY_ALL_ACCESS);
Status = ObCloseHandle(NewHandle, UserMode);
ok_eq_hex(Status, STATUS_INVALID_HANDLE);
CheckObject(NewHandle, 3UL, 2UL, 0, DIRECTORY_ALL_ACCESS);
CheckObject(Handle, 3UL, 2UL, 0UL, DIRECTORY_ALL_ACCESS);
if (IsKernelHandle(NewHandle))
{
Status = ObCloseHandle(NewHandle, KernelMode);
ok_eq_hex(Status, STATUS_SUCCESS);
CheckObject(Handle, 2UL, 1UL, 0UL, DIRECTORY_ALL_ACCESS);
}
}
}
START_TEST(ObHandle)
@ -90,6 +120,19 @@ START_TEST(ObHandle)
HANDLE KernelDirectoryHandle;
HANDLE UserDirectoryHandle;
Status = ObOpenObjectByPointer(PsInitialSystemProcess,
OBJ_KERNEL_HANDLE,
NULL,
PROCESS_ALL_ACCESS,
*PsProcessType,
KernelMode,
&SystemProcessHandle);
ok_eq_hex(Status, STATUS_SUCCESS);
if (skip(NT_SUCCESS(Status), "No handle for system process\n"))
{
SystemProcessHandle = NULL;
}
InitializeObjectAttributes(&ObjectAttributes,
NULL,
0,
@ -208,4 +251,9 @@ START_TEST(ObHandle)
Status = ObCloseHandle((HANDLE)123, KernelMode);
Status = ObCloseHandle((HANDLE)(123 | 0x80000000), KernelMode);*/
KmtEndSeh(STATUS_SUCCESS);
if (SystemProcessHandle)
{
ObCloseHandle(SystemProcessHandle, KernelMode);
}
}