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- It is understandable now why certain applications fail when accessing thread information from user mode, it is the wrong information being accessed.

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svn path=/trunk/; revision=38853
This commit is contained in:
James Tabor 2009-01-17 21:14:52 +00:00
parent f134ca1ab1
commit 1335fe7f13
2 changed files with 13 additions and 9 deletions
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20
reactos/subsystems/win32/win32k/include/win32.h
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@ -4,7 +4,7 @@
typedef struct _WIN32HEAP WIN32HEAP, *PWIN32HEAP; typedef struct _WIN32HEAP WIN32HEAP, *PWIN32HEAP;
#include <pshpack1.h> #include <pshpack1.h>
// FIXME! Move to ntuser.h
typedef struct _TL typedef struct _TL
{ {
struct _TL* next; struct _TL* next;
@ -28,17 +28,19 @@ typedef struct _W32THREAD
typedef struct _THREADINFO typedef struct _THREADINFO
{ {
W32THREAD W32Thread; W32THREAD W32Thread;
PVOID ppi; // FIXME: use PPROCESSINFO PTL ptl;
PDESKTOPINFO pDeskInfo; PVOID ppi; // FIXME: use PPROCESSINFO
PCLIENTINFO pClientInfo; struct _USER_MESSAGE_QUEUE* MessageQueue;
LIST_ENTRY PtiLink; struct _KBL* KeyboardLayout;
PCLIENTTHREADINFO pcti;
struct _DESKTOP* Desktop;
PDESKTOPINFO pDeskInfo;
PCLIENTINFO pClientInfo;
LIST_ENTRY PtiLink;
struct _USER_MESSAGE_QUEUE* MessageQueue;
LIST_ENTRY WindowListHead; LIST_ENTRY WindowListHead;
LIST_ENTRY W32CallbackListHead; LIST_ENTRY W32CallbackListHead;
struct _KBL* KeyboardLayout;
struct _DESKTOP* Desktop;
HANDLE hDesktop; HANDLE hDesktop;
BOOLEAN IsExiting; BOOLEAN IsExiting;
SINGLE_LIST_ENTRY ReferencesList; SINGLE_LIST_ENTRY ReferencesList;

2
reactos/subsystems/win32/win32k/ntuser/misc.c
View file

@ -505,6 +505,7 @@ GetW32ThreadInfo(VOID)
ti->kpi = GetW32ProcessInfo(); ti->kpi = GetW32ProcessInfo();
ti->pi = UserHeapAddressToUser(ti->kpi); ti->pi = UserHeapAddressToUser(ti->kpi);
ti->Hooks = W32Thread->Hooks; ti->Hooks = W32Thread->Hooks;
W32Thread->pcti = &ti->ClientThreadInfo;
if (W32Thread->Desktop != NULL) if (W32Thread->Desktop != NULL)
{ {
ti->Desktop = W32Thread->Desktop->DesktopInfo; ti->Desktop = W32Thread->Desktop->DesktopInfo;
@ -518,6 +519,7 @@ GetW32ThreadInfo(VOID)
/* update the TEB */ /* update the TEB */
Teb = NtCurrentTeb(); Teb = NtCurrentTeb();
ci = GetWin32ClientInfo(); ci = GetWin32ClientInfo();
W32Thread->pClientInfo = ci;
_SEH2_TRY _SEH2_TRY
{ {
ProbeForWrite(Teb, ProbeForWrite(Teb,