wine-staging/patches/kernel32-SetProcessDEPPolicy/0001-kernel32-Implement-SetProcessDEPPolicy.patch
2019-12-11 09:43:03 +11:00

81 lines
2.5 KiB
Diff

From 9d11c18b9b5a40114d28445a01347950de0d7df2 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, 32 insertions(+), 4 deletions(-)
diff --git a/dlls/kernel32/process.c b/dlls/kernel32/process.c
index 71d6800f547..5423adced3c 100644
--- a/dlls/kernel32/process.c
+++ b/dlls/kernel32/process.c
@@ -71,6 +71,8 @@ typedef struct
DWORD dwReserved;
} LOADPARMS32;
+static BOOL is_wow64;
+
HMODULE kernel32_handle = 0;
SYSTEM_BASIC_INFORMATION system_info = { 0 };
@@ -86,6 +88,7 @@ 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;
#ifdef __i386__
extern DWORD call_process_entry( PEB *peb, LPTHREAD_START_ROUTINE entry );
@@ -177,7 +180,6 @@ void CDECL __wine_start_process( LPTHREAD_START_ROUTINE entry, PEB *peb )
abort(); /* should not be reached */
}
-
/***********************************************************************
* wait_input_idle
*
@@ -872,9 +874,35 @@ 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;
}
/**********************************************************************
--
2.17.1