wine-staging/patches/kernel32-SetProcessDEPPolicy/0001-kernel32-Implement-SetProcessDEPPolicy.patch

81 lines
2.5 KiB
Diff

From 8ba5167f0ade2bd789e0a1b97263cfe5daad98d7 Mon Sep 17 00:00:00 2001
From: "Olivier F. R. Dierick" <o.dierick@piezo-forte.be>
Date: Tue, 19 Apr 2016 07:25:39 +0200
Subject: [PATCH] kernel32: Implement SetProcessDEPPolicy().
---
dlls/kernel32/process.c | 36 +++++++++++++++++++++++++++++++++---
1 file changed, 33 insertions(+), 3 deletions(-)
diff --git a/dlls/kernel32/process.c b/dlls/kernel32/process.c
index f68193c93..ae894c29d 100644
--- a/dlls/kernel32/process.c
+++ b/dlls/kernel32/process.c
@@ -70,6 +70,8 @@ typedef struct
DWORD dwReserved;
} LOADPARMS32;
+static BOOL is_wow64;
+
HMODULE kernel32_handle = 0;
SYSTEM_BASIC_INFORMATION system_info = { 0 };
@@ -85,6 +87,7 @@ const WCHAR DIR_System[] = {'C',':','\\','w','i','n','d','o','w','s',
#define PDB32_FILE_APIS_OEM 0x0040 /* File APIs are OEM */
#define PDB32_WIN32S_PROC 0x8000 /* Win32s process */
+static DEP_SYSTEM_POLICY_TYPE system_DEP_policy = OptIn;
/***********************************************************************
* set_library_argv
@@ -211,6 +214,7 @@ void * CDECL __wine_kernel_init(void)
setbuf(stdout,NULL);
setbuf(stderr,NULL);
kernel32_handle = GetModuleHandleW(kernel32W);
+ IsWow64Process( GetCurrentProcess(), &is_wow64 );
RtlSetUnhandledExceptionFilter( UnhandledExceptionFilter );
LOCALE_Init();
@@ -917,9 +921,35 @@ DEP_SYSTEM_POLICY_TYPE WINAPI GetSystemDEPPolicy(void)
*/
BOOL WINAPI SetProcessDEPPolicy(DWORD newDEP)
{
- FIXME("(%d): stub\n", newDEP);
- SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
- return FALSE;
+ ULONG dep_flags = 0;
+ NTSTATUS status;
+
+ TRACE("(%d)\n", newDEP);
+
+ if (is_wow64 || (system_DEP_policy != OptIn && system_DEP_policy != OptOut) )
+ {
+ SetLastError(ERROR_ACCESS_DENIED);
+ return FALSE;
+ }
+
+ if (!newDEP)
+ dep_flags = MEM_EXECUTE_OPTION_ENABLE;
+ else if (newDEP & PROCESS_DEP_ENABLE)
+ dep_flags = MEM_EXECUTE_OPTION_DISABLE|MEM_EXECUTE_OPTION_PERMANENT;
+ else
+ {
+ SetLastError(ERROR_ACCESS_DENIED);
+ return FALSE;
+ }
+
+ if (newDEP & PROCESS_DEP_DISABLE_ATL_THUNK_EMULATION)
+ dep_flags |= MEM_EXECUTE_OPTION_DISABLE_THUNK_EMULATION;
+
+ status = NtSetInformationProcess( GetCurrentProcess(), ProcessExecuteFlags,
+ &dep_flags, sizeof(dep_flags) );
+
+ if (status) SetLastError( RtlNtStatusToDosError(status) );
+ return !status;
}
/**********************************************************************
--
2.23.0