[PATCH v2 08/10] ntoskrnl.exe: Implement and add tests for PsIsSystemThread.
Derek Lesho
dereklesho52 at gmail.com
Tue Apr 9 14:29:21 CDT 2019
Signed-off-by: Derek Lesho <dereklesho52 at Gmail.com>
---
dlls/ntoskrnl.exe/ntoskrnl.c | 9 +++++++++
dlls/ntoskrnl.exe/ntoskrnl.exe.spec | 2 +-
dlls/ntoskrnl.exe/tests/driver.c | 22 ++++++++++++++++++++++
include/ddk/ntifs.h | 1 +
4 files changed, 33 insertions(+), 1 deletion(-)
diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c
index 80e53b4f72..46fd243d75 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -3015,6 +3015,15 @@ HANDLE WINAPI PsGetCurrentThreadId(void)
}
+/***********************************************************************
+ * PsIsSystemThread (NTOSKRNL.EXE.@)
+ */
+BOOLEAN WINAPI PsIsSystemThread(PETHREAD thread)
+{
+ return ((PKTHREAD)thread)->process == PsInitialSystemProcess;
+}
+
+
/***********************************************************************
* PsGetVersion (NTOSKRNL.EXE.@)
*/
diff --git a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
index f948c6befe..399258cdfd 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
+++ b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
@@ -907,7 +907,7 @@
@ stdcall PsImpersonateClient(ptr ptr long long long)
@ extern PsInitialSystemProcess
@ stub PsIsProcessBeingDebugged
-@ stub PsIsSystemThread
+@ stdcall PsIsSystemThread(ptr)
@ stub PsIsThreadImpersonating
@ stub PsIsThreadTerminating
@ stub PsJobType
diff --git a/dlls/ntoskrnl.exe/tests/driver.c b/dlls/ntoskrnl.exe/tests/driver.c
index 66465bb5ae..ebfdb05b86 100644
--- a/dlls/ntoskrnl.exe/tests/driver.c
+++ b/dlls/ntoskrnl.exe/tests/driver.c
@@ -29,6 +29,7 @@
#include "winternl.h"
#include "winioctl.h"
#include "ddk/ntddk.h"
+#include "ddk/ntifs.h"
#include "ddk/wdm.h"
#include "driver.h"
@@ -826,6 +827,26 @@ static void test_ob_reference(const WCHAR *test_path)
ok(!status, "ZwClose failed: %#x\n", status);
}
+static void WINAPI system_thread( void *arg )
+{
+ BOOLEAN result = PsIsSystemThread((PETHREAD)KeGetCurrentThread());
+
+todo_wine
+ ok((result), "got %u\n", result);
+
+ PsTerminateSystemThread( STATUS_SUCCESS );
+}
+
+static void test_system_thread(void)
+{
+ BOOLEAN result = PsIsSystemThread((PETHREAD)KeGetCurrentThread());
+
+todo_wine
+ ok(!(result), "got %u\n", result);
+
+ run_thread( system_thread, (void*)0 );
+}
+
static NTSTATUS main_test(DEVICE_OBJECT *device, IRP *irp, IO_STACK_LOCATION *stack, ULONG_PTR *info)
{
ULONG length = stack->Parameters.DeviceIoControl.OutputBufferLength;
@@ -868,6 +889,7 @@ static NTSTATUS main_test(DEVICE_OBJECT *device, IRP *irp, IO_STACK_LOCATION *st
test_stack_callout();
test_lookaside_list();
test_ob_reference(test_input->path);
+ test_system_thread();
/* print process report */
if (winetest_debug)
diff --git a/include/ddk/ntifs.h b/include/ddk/ntifs.h
index ffa103bcc5..61f7526cbf 100644
--- a/include/ddk/ntifs.h
+++ b/include/ddk/ntifs.h
@@ -133,5 +133,6 @@ BOOLEAN WINAPI FsRtlIsNameInExpression(PUNICODE_STRING, PUNICODE_STRING, BOOLEAN
NTSTATUS WINAPI ObQueryNameString(PVOID,POBJECT_NAME_INFORMATION,ULONG,PULONG);
void WINAPI PsRevertToSelf(void);
NTSTATUS WINAPI PsLookupProcessByProcessId(HANDLE,PEPROCESS*);
+BOOLEAN WINAPI PsIsSystemThread(PETHREAD);
#endif
--
2.20.1
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