[ion] 60317: [NTOSKRNL]: Implement and export PsGetProcessSessionIdEx, and MmGetSessionIdEx. Dedicated to hbelusca. If you look at the diff (please don't), yes, this is seriously how it works in Wi...

Author: ion
Date: Sun Sep 22 18:47:36 2013
New Revision: 60317

URL: http://svn.reactos.org/svn/reactos?rev=60317&view=rev
Log:
[NTOSKRNL]: Implement and export PsGetProcessSessionIdEx, and MmGetSessionIdEx. Dedicated
to hbelusca. If you look at the diff (please don't), yes, this is seriously how it
works in Windows.

Modified:
    trunk/reactos/ntoskrnl/include/internal/mm.h
    trunk/reactos/ntoskrnl/mm/ARM3/procsup.c
    trunk/reactos/ntoskrnl/ntoskrnl.spec
    trunk/reactos/ntoskrnl/ps/process.c

Modified: trunk/reactos/ntoskrnl/include/internal/mm.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/include/internal/…
==============================================================================
--- trunk/reactos/ntoskrnl/include/internal/mm.h	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/include/internal/mm.h	[iso-8859-1] Sun Sep 22 18:47:36 2013
@@ -493,6 +493,12 @@
     IN PEPROCESS Process
 );
 
+ULONG
+NTAPI
+MmGetSessionIdEx(
+    IN PEPROCESS Process
+);
+
 /* marea.c *******************************************************************/
 
 NTSTATUS

Modified: trunk/reactos/ntoskrnl/mm/ARM3/procsup.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/ARM3/procsup.c…
==============================================================================
--- trunk/reactos/ntoskrnl/mm/ARM3/procsup.c	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/mm/ARM3/procsup.c	[iso-8859-1] Sun Sep 22 18:47:36 2013
@@ -1561,6 +1561,21 @@
     return SessionGlobal->SessionId;
 }
 
+ULONG
+NTAPI
+MmGetSessionIdEx(IN PEPROCESS Process)
+{
+    PMM_SESSION_SPACE SessionGlobal;
+
+    /* The session leader is always session zero */
+    if (Process->Vm.Flags.SessionLeader == 1) return 0;
+
+    /* Otherwise, get the session global, and read the session ID from it */
+    SessionGlobal = (PMM_SESSION_SPACE)Process->Session;
+    if (!SessionGlobal) return -1;
+    return SessionGlobal->SessionId;
+}
+
 VOID
 NTAPI
 MiReleaseProcessReferenceToSessionDataPage(IN PMM_SESSION_SPACE SessionGlobal)

Modified: trunk/reactos/ntoskrnl/ntoskrnl.spec
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ntoskrnl.spec?rev…
==============================================================================
--- trunk/reactos/ntoskrnl/ntoskrnl.spec	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/ntoskrnl.spec	[iso-8859-1] Sun Sep 22 18:47:36 2013
@@ -987,7 +987,7 @@
 @ stdcall PsGetProcessSectionBaseAddress(ptr)
 @ stdcall PsGetProcessSecurityPort(ptr)
 @ stdcall PsGetProcessSessionId(ptr)
-;PsGetProcessSessionIdEx
+@ stdcall PsGetProcessSessionIdEx(ptr)
 @ stdcall PsGetProcessWin32Process(ptr)
 @ stdcall PsGetProcessWin32WindowStation(ptr)
 ;@ cdecl -arch=x86_64 PsGetProcessWow64Process()

Modified: trunk/reactos/ntoskrnl/ps/process.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ps/process.c?rev=…
==============================================================================
--- trunk/reactos/ntoskrnl/ps/process.c	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/ps/process.c	[iso-8859-1] Sun Sep 22 18:47:36 2013
@@ -1149,9 +1149,19 @@
  */
 ULONG
 NTAPI
-PsGetProcessSessionId(PEPROCESS Process)
+PsGetProcessSessionId(IN PEPROCESS Process)
 {
     return MmGetSessionId(Process);
+}
+
+/*
+ * @implemented
+ */
+ULONG
+NTAPI
+PsGetProcessSessionIdEx(IN PEPROCESS Process)
+{
+    return MmGetSessionIdEx(Process);
 }
 
 /*