[ion] 55603: [NTOSKRNL]: Implement NtSetInformationObject(ObjectSessionInformation). [NTOSKRNL]: Implement NtQueryInformationProcess(ProcessLUIDDeviceMapsEnabled).
15 Feb
2012
15 Feb
'12
6:48 a.m.
Author: ion
Date: Wed Feb 15 06:48:39 2012
New Revision: 55603
URL: http://svn.reactos.org/svn/reactos?rev=55603&view=rev
Log:
[NTOSKRNL]: Implement NtSetInformationObject(ObjectSessionInformation).
[NTOSKRNL]: Implement NtQueryInformationProcess(ProcessLUIDDeviceMapsEnabled).
Modified:
trunk/reactos/include/ndk/psfuncs.h
trunk/reactos/ntoskrnl/ob/oblife.c
trunk/reactos/ntoskrnl/ps/query.c
Modified: trunk/reactos/include/ndk/psfuncs.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/include/ndk/psfuncs.h?rev=…
==============================================================================
--- trunk/reactos/include/ndk/psfuncs.h [iso-8859-1] (original)
+++ trunk/reactos/include/ndk/psfuncs.h [iso-8859-1] Wed Feb 15 06:48:39 2012
@@ -137,6 +137,13 @@
IN SIZE_T Amount
);
+NTKERNELAPI
+ULONG
+NTAPI
+PsGetCurrentProcessSessionId(
+ VOID
+);
+
//
// Process Impersonation Functions
//
Modified: trunk/reactos/ntoskrnl/ob/oblife.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ob/oblife.c?rev=5…
==============================================================================
--- trunk/reactos/ntoskrnl/ob/oblife.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/ob/oblife.c [iso-8859-1] Wed Feb 15 06:48:39 2012
@@ -1605,7 +1605,7 @@
_SEH2_END;
/* Dereference the object if we had referenced it */
- if (Object) ObDereferenceObject (Object);
+ if (Object) ObDereferenceObject(Object);
/* Return status */
return Status;
@@ -1645,91 +1645,128 @@
OBP_SET_HANDLE_ATTRIBUTES_CONTEXT Context;
PVOID ObjectTable;
KAPC_STATE ApcState;
+ POBJECT_DIRECTORY Directory;
+ KPROCESSOR_MODE PreviousMode;
BOOLEAN AttachedToProcess = FALSE;
PAGED_CODE();
/* Validate the information class */
- if (ObjectInformationClass != ObjectHandleFlagInformation)
- {
- /* Invalid class */
- return STATUS_INVALID_INFO_CLASS;
- }
-
- /* Validate the length */
- if (Length != sizeof (OBJECT_HANDLE_ATTRIBUTE_INFORMATION))
- {
- /* Invalid length */
- return STATUS_INFO_LENGTH_MISMATCH;
- }
-
- /* Save the previous mode */
- Context.PreviousMode = ExGetPreviousMode();
-
- /* Check if we were called from user mode */
- if (Context.PreviousMode != KernelMode)
- {
- /* Enter SEH */
- _SEH2_TRY
- {
- /* Probe and capture the attribute buffer */
- ProbeForRead(ObjectInformation,
- sizeof(OBJECT_HANDLE_ATTRIBUTE_INFORMATION),
- sizeof(BOOLEAN));
- Context.Information = *(POBJECT_HANDLE_ATTRIBUTE_INFORMATION)
- ObjectInformation;
- }
- _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
- {
- /* Return the exception code */
- _SEH2_YIELD(return _SEH2_GetExceptionCode());
- }
- _SEH2_END;
- }
- else
- {
- /* Just copy the buffer directly */
- Context.Information = *(POBJECT_HANDLE_ATTRIBUTE_INFORMATION)
- ObjectInformation;
- }
-
- /* Check if this is a kernel handle */
- if (ObIsKernelHandle(ObjectHandle, Context.PreviousMode))
- {
- /* Get the actual handle */
- ObjectHandle = ObKernelHandleToHandle(ObjectHandle);
- ObjectTable = ObpKernelHandleTable;
-
- /* Check if we're not in the system process */
- if (PsGetCurrentProcess() != PsInitialSystemProcess)
- {
- /* Attach to it */
- KeStackAttachProcess(&PsInitialSystemProcess->Pcb, &ApcState);
- AttachedToProcess = TRUE;
- }
- }
- else
- {
- /* Use the current table */
- ObjectTable = PsGetCurrentProcess()->ObjectTable;
- }
-
- /* Change the handle attributes */
- if (!ExChangeHandle(ObjectTable,
- ObjectHandle,
- ObpSetHandleAttributes,
- (ULONG_PTR)&Context))
- {
- /* Some failure */
- Status = STATUS_ACCESS_DENIED;
- }
- else
- {
- /* We are done */
- Status = STATUS_SUCCESS;
- }
-
- /* De-attach if we were attached, and return status */
- if (AttachedToProcess) KeUnstackDetachProcess(&ApcState);
+ switch (ObjectInformationClass)
+ {
+ case ObjectHandleFlagInformation:
+
+ /* Validate the length */
+ if (Length != sizeof(OBJECT_HANDLE_ATTRIBUTE_INFORMATION))
+ {
+ /* Invalid length */
+ return STATUS_INFO_LENGTH_MISMATCH;
+ }
+
+ /* Save the previous mode */
+ Context.PreviousMode = ExGetPreviousMode();
+
+ /* Check if we were called from user mode */
+ if (Context.PreviousMode != KernelMode)
+ {
+ /* Enter SEH */
+ _SEH2_TRY
+ {
+ /* Probe and capture the attribute buffer */
+ ProbeForRead(ObjectInformation,
+ sizeof(OBJECT_HANDLE_ATTRIBUTE_INFORMATION),
+ sizeof(BOOLEAN));
+ Context.Information = *(POBJECT_HANDLE_ATTRIBUTE_INFORMATION)
+ ObjectInformation;
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ /* Return the exception code */
+ _SEH2_YIELD(return _SEH2_GetExceptionCode());
+ }
+ _SEH2_END;
+ }
+ else
+ {
+ /* Just copy the buffer directly */
+ Context.Information = *(POBJECT_HANDLE_ATTRIBUTE_INFORMATION)
+ ObjectInformation;
+ }
+
+ /* Check if this is a kernel handle */
+ if (ObIsKernelHandle(ObjectHandle, Context.PreviousMode))
+ {
+ /* Get the actual handle */
+ ObjectHandle = ObKernelHandleToHandle(ObjectHandle);
+ ObjectTable = ObpKernelHandleTable;
+
+ /* Check if we're not in the system process */
+ if (PsGetCurrentProcess() != PsInitialSystemProcess)
+ {
+ /* Attach to it */
+ KeStackAttachProcess(&PsInitialSystemProcess->Pcb,
&ApcState);
+ AttachedToProcess = TRUE;
+ }
+ }
+ else
+ {
+ /* Use the current table */
+ ObjectTable = PsGetCurrentProcess()->ObjectTable;
+ }
+
+ /* Change the handle attributes */
+ if (!ExChangeHandle(ObjectTable,
+ ObjectHandle,
+ ObpSetHandleAttributes,
+ (ULONG_PTR)&Context))
+ {
+ /* Some failure */
+ Status = STATUS_ACCESS_DENIED;
+ }
+ else
+ {
+ /* We are done */
+ Status = STATUS_SUCCESS;
+ }
+
+ /* De-attach if we were attached, and return status */
+ if (AttachedToProcess) KeUnstackDetachProcess(&ApcState);
+ break;
+
+ case ObjectSessionInformation:
+
+ /* Only a system process can do this */
+ PreviousMode = ExGetPreviousMode();
+ if (!SeSinglePrivilegeCheck(SeTcbPrivilege, PreviousMode))
+ {
+ /* Fail */
+ DPRINT1("Privilege not held\n");
+ Status = STATUS_PRIVILEGE_NOT_HELD;
+ }
+ else
+ {
+ /* Get the object directory */
+ Status = ObReferenceObjectByHandle(ObjectHandle,
+ 0,
+ ObDirectoryType,
+ PreviousMode,
+ (PVOID*)&Directory,
+ NULL);
+ if (NT_SUCCESS(Status))
+ {
+ /* FIXME: Missng locks */
+ /* Set its session ID */
+ Directory->SessionId = PsGetCurrentProcessSessionId();
+ ObDereferenceObject(Directory);
+ }
+ }
+ break;
+
+ default:
+ /* Unsupported class */
+ Status = STATUS_INVALID_INFO_CLASS;
+ break;
+ }
+
return Status;
}
Modified: trunk/reactos/ntoskrnl/ps/query.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ps/query.c?rev=55…
==============================================================================
--- trunk/reactos/ntoskrnl/ps/query.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/ps/query.c [iso-8859-1] Wed Feb 15 06:48:39 2012
@@ -835,8 +835,29 @@
break;
case ProcessLUIDDeviceMapsEnabled:
- DPRINT1("LUID Device Maps Not implemented: %lx\n",
ProcessInformationClass);
- Status = STATUS_NOT_IMPLEMENTED;
+ /* Set the return length */
+ Length = sizeof(ULONG);
+ if (ProcessInformationLength != Length)
+ {
+ Status = STATUS_INFO_LENGTH_MISMATCH;
+ break;
+ }
+
+ /* Indicate success */
+ Status = STATUS_SUCCESS;
+
+ /* Protect write in SEH */
+ _SEH2_TRY
+ {
+ /* Return the count of handles */
+ *(PULONG)ProcessInformation = FALSE;
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ /* Get the exception code */
+ Status = _SEH2_GetExceptionCode();
+ }
+ _SEH2_END;
break;
case ProcessExecuteFlags:
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