wine-staging/patches/kernel32-BeingDebugged/0001-kernel32-Replace-Peb-BeingDebugged-check-by-CheckRem.patch
2017-02-11 05:57:19 +01:00

55 lines
2.3 KiB
Diff

From 8a9f2fac2659ff9d140aecd553dcdcbc46724154 Mon Sep 17 00:00:00 2001
From: Dmitry Timoshkov <dmitry@baikal.ru>
Date: Tue, 24 Jan 2017 19:18:13 +0800
Subject: kernel32: Replace Peb->BeingDebugged check by
CheckRemoteDebuggerPresent().
misctool.dll from AmiBroker on PROCESS_ATTACH event intentionally sets
teb->peb->BeingDebugged to random value returned by rdtsc instruction,
but that doesn't generate exceptions or debug events under Windows.
---
dlls/kernel32/process.c | 6 +++++-
include/winbase.h | 1 +
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/dlls/kernel32/process.c b/dlls/kernel32/process.c
index 0cb3d9bdcb7..70c38ebdf0d 100644
--- a/dlls/kernel32/process.c
+++ b/dlls/kernel32/process.c
@@ -1085,6 +1085,7 @@ static inline DWORD call_process_entry( PEB *peb, LPTHREAD_START_ROUTINE entry )
*/
static DWORD WINAPI start_process( LPTHREAD_START_ROUTINE entry )
{
+ BOOL being_debugged;
PEB *peb = NtCurrentTeb()->Peb;
if (!entry)
@@ -1098,8 +1099,11 @@ static DWORD WINAPI start_process( LPTHREAD_START_ROUTINE entry )
DPRINTF( "%04x:Starting process %s (entryproc=%p)\n", GetCurrentThreadId(),
debugstr_w(peb->ProcessParameters->ImagePathName.Buffer), entry );
+ if (!CheckRemoteDebuggerPresent( GetCurrentProcess(), &being_debugged ))
+ being_debugged = FALSE;
+
SetLastError( 0 ); /* clear error code */
- if (peb->BeingDebugged) DbgBreakPoint();
+ if (being_debugged) DbgBreakPoint();
return call_process_entry( peb, entry );
}
diff --git a/include/winbase.h b/include/winbase.h
index bf14d790f43..92d112455e9 100644
--- a/include/winbase.h
+++ b/include/winbase.h
@@ -1737,6 +1737,7 @@ WINBASEAPI BOOL WINAPI CancelTimerQueueTimer(HANDLE,HANDLE);
WINBASEAPI BOOL WINAPI CancelWaitableTimer(HANDLE);
WINBASEAPI BOOL WINAPI CheckNameLegalDOS8Dot3A(const char*,char*,DWORD,BOOL*,BOOL*);
WINBASEAPI BOOL WINAPI CheckNameLegalDOS8Dot3W(const WCHAR*, char*,DWORD,BOOL*,BOOL*);
+WINBASEAPI BOOL WINAPI CheckRemoteDebuggerPresent(HANDLE,PBOOL);
WINBASEAPI BOOL WINAPI ChangeTimerQueueTimer(HANDLE,HANDLE,ULONG,ULONG);
WINADVAPI BOOL WINAPI CheckTokenMembership(HANDLE,PSID,PBOOL);
WINBASEAPI BOOL WINAPI ClearCommBreak(HANDLE);
--
2.11.0