kernelbase: Add CreateFileMappingFromApp().

dlls/kernelbase/kernelbase.spec

@@ -190,7 +190,7 @@
 @ stdcall CreateFiberEx(long long long ptr ptr)
 @ stdcall CreateFile2(wstr long long long ptr)
 @ stdcall CreateFileA(str long long ptr long long long)
-# @ stub CreateFileMappingFromApp
+@ stdcall CreateFileMappingFromApp(long ptr long int64 wstr)
 @ stdcall CreateFileMappingNumaW(long ptr long long long wstr long)
 @ stdcall CreateFileMappingW(long ptr long long long wstr)
 @ stdcall CreateFileW(wstr long long ptr long long long)

dlls/kernelbase/sync.c

@@ -879,7 +879,6 @@ BOOL WINAPI DECLSPEC_HOTPATCH InitializeCriticalSectionEx( CRITICAL_SECTION *cri
  * File mappings
  ***********************************************************************/
 
-
 /***********************************************************************
  *             CreateFileMappingW   (kernelbase.@)
  */
@@ -948,6 +947,15 @@ HANDLE WINAPI DECLSPEC_HOTPATCH CreateFileMappingW( HANDLE file, LPSECURITY_ATTR
 
 
 /***********************************************************************
+ *             CreateFileMappingFromApp   (kernelbase.@)
+ */
+HANDLE WINAPI DECLSPEC_HOTPATCH CreateFileMappingFromApp( HANDLE file, LPSECURITY_ATTRIBUTES sa, ULONG protect,
+        ULONG64 size, LPCWSTR name )
+{
+    return CreateFileMappingW( file, sa, protect, size << 32, size, name );
+}
+
+/***********************************************************************
  *             OpenFileMappingW   (kernelbase.@)
  */
 HANDLE WINAPI DECLSPEC_HOTPATCH OpenFileMappingW( DWORD access, BOOL inherit, LPCWSTR name )

dlls/kernelbase/tests/process.c

@@ -30,6 +30,8 @@
 
 #include "wine/test.h"
 
+static NTSTATUS (WINAPI *pNtQueryObject)(HANDLE,OBJECT_INFORMATION_CLASS,PVOID,ULONG,PULONG);
+
 static BOOL (WINAPI *pCompareObjectHandles)(HANDLE, HANDLE);
 static LPVOID (WINAPI *pMapViewOfFile3)(HANDLE, HANDLE, PVOID, ULONG64 offset, SIZE_T size,
         ULONG, ULONG, MEM_EXTENDED_PARAMETER *, ULONG);
@@ -37,6 +39,7 @@ static LPVOID (WINAPI *pVirtualAlloc2)(HANDLE, void *, SIZE_T, DWORD, DWORD, MEM
 static LPVOID (WINAPI *pVirtualAlloc2FromApp)(HANDLE, void *, SIZE_T, DWORD, DWORD, MEM_EXTENDED_PARAMETER *, ULONG);
 static PVOID (WINAPI *pVirtualAllocFromApp)(PVOID, SIZE_T, DWORD, DWORD);
 static HANDLE (WINAPI *pOpenFileMappingFromApp)( ULONG, BOOL, LPCWSTR);
+static HANDLE (WINAPI *pCreateFileMappingFromApp)(HANDLE, PSECURITY_ATTRIBUTES, ULONG, ULONG64, PCWSTR);
 
 static void test_CompareObjectHandles(void)
 {
@@ -327,7 +330,10 @@ static void test_VirtualAlloc2FromApp(void)
 
 static void test_OpenFileMappingFromApp(void)
 {
+    OBJECT_BASIC_INFORMATION info;
     HANDLE file, mapping;
+    NTSTATUS status;
+    ULONG length;
 
     if (!pOpenFileMappingFromApp)
     {
@@ -340,26 +346,62 @@ static void test_OpenFileMappingFromApp(void)
 
     mapping = pOpenFileMappingFromApp(FILE_MAP_READ, FALSE, L"foo");
     ok(!!mapping, "Failed to open a mapping.\n");
+    status = pNtQueryObject(mapping, ObjectBasicInformation, &info, sizeof(info), &length);
+    ok(!status, "Failed to get object information.\n");
+    ok(info.GrantedAccess == SECTION_MAP_READ, "Unexpected access mask %#lx.\n", info.GrantedAccess);
     CloseHandle(mapping);
 
     mapping = pOpenFileMappingFromApp(FILE_MAP_EXECUTE, FALSE, L"foo");
     ok(!!mapping, "Failed to open a mapping.\n");
+    status = pNtQueryObject(mapping, ObjectBasicInformation, &info, sizeof(info), &length);
+    ok(!status, "Failed to get object information.\n");
+    todo_wine
+    ok(info.GrantedAccess == SECTION_MAP_EXECUTE, "Unexpected access mask %#lx.\n", info.GrantedAccess);
     CloseHandle(mapping);
 
     CloseHandle(file);
 }
 
+static void test_CreateFileMappingFromApp(void)
+{
+    OBJECT_BASIC_INFORMATION info;
+    NTSTATUS status;
+    ULONG length;
+    HANDLE file;
+
+    if (!pCreateFileMappingFromApp)
+    {
+        win_skip("CreateFileMappingFromApp is not available.\n");
+        return;
+    }
+
+    file = pCreateFileMappingFromApp(INVALID_HANDLE_VALUE, NULL, PAGE_EXECUTE_READWRITE, 1024, L"foo");
+    ok(!!file || broken(!file) /* Win8 */, "Failed to create a mapping, error %lu.\n", GetLastError());
+    if (!file) return;
+
+    status = pNtQueryObject(file, ObjectBasicInformation, &info, sizeof(info), &length);
+    ok(!status, "Failed to get object information.\n");
+    ok(info.GrantedAccess & SECTION_MAP_EXECUTE, "Unexpected access mask %#lx.\n", info.GrantedAccess);
+
+    CloseHandle(file);
+}
+
 static void init_funcs(void)
 {
     HMODULE hmod = GetModuleHandleA("kernelbase.dll");
 
 #define X(f) { p##f = (void*)GetProcAddress(hmod, #f); }
     X(CompareObjectHandles);
+    X(CreateFileMappingFromApp);
     X(MapViewOfFile3);
     X(OpenFileMappingFromApp);
     X(VirtualAlloc2);
     X(VirtualAlloc2FromApp);
     X(VirtualAllocFromApp);
+
+    hmod = GetModuleHandleA("ntdll.dll");
+
+    X(NtQueryObject);
 #undef X
 }
 
@@ -373,4 +415,5 @@ START_TEST(process)
     test_VirtualAllocFromApp();
     test_VirtualAlloc2FromApp();
     test_OpenFileMappingFromApp();
+    test_CreateFileMappingFromApp();
 }

include/winbase.h

@@ -1876,6 +1876,7 @@ WINBASEAPI HANDLE      WINAPI CreateFileW(LPCWSTR,DWORD,DWORD,LPSECURITY_ATTRIBU
 WINBASEAPI HANDLE      WINAPI CreateFileMappingA(HANDLE,LPSECURITY_ATTRIBUTES,DWORD,DWORD,DWORD,LPCSTR);
 WINBASEAPI HANDLE      WINAPI CreateFileMappingW(HANDLE,LPSECURITY_ATTRIBUTES,DWORD,DWORD,DWORD,LPCWSTR);
 #define                       CreateFileMapping WINELIB_NAME_AW(CreateFileMapping)
+WINBASEAPI HANDLE      WINAPI CreateFileMappingFromApp(HANDLE,PSECURITY_ATTRIBUTES,ULONG,ULONG64,PCWSTR);
 WINBASEAPI HANDLE      WINAPI CreateIoCompletionPort(HANDLE,HANDLE,ULONG_PTR,DWORD);
 WINBASEAPI HANDLE      WINAPI CreateJobObjectA(LPSECURITY_ATTRIBUTES,LPCSTR);
 WINBASEAPI HANDLE      WINAPI CreateJobObjectW(LPSECURITY_ATTRIBUTES,LPCWSTR);