From: Kareem Aladli karimri@protonmail.com
--- dlls/kernelbase/tests/process.c | 41 +++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+)
diff --git a/dlls/kernelbase/tests/process.c b/dlls/kernelbase/tests/process.c index 90d6b5204eb..0b1a83cfcca 100644 --- a/dlls/kernelbase/tests/process.c +++ b/dlls/kernelbase/tests/process.c @@ -38,6 +38,7 @@ static LPVOID (WINAPI *pMapViewOfFile3)(HANDLE, HANDLE, PVOID, ULONG64 offset, S static LPVOID (WINAPI *pVirtualAlloc2)(HANDLE, void *, SIZE_T, DWORD, DWORD, MEM_EXTENDED_PARAMETER *, ULONG); static LPVOID (WINAPI *pVirtualAlloc2FromApp)(HANDLE, void *, SIZE_T, DWORD, DWORD, MEM_EXTENDED_PARAMETER *, ULONG); static PVOID (WINAPI *pVirtualAllocFromApp)(PVOID, SIZE_T, DWORD, DWORD); +static BOOL (WINAPI *pVirtualProtectFromApp)(LPVOID,SIZE_T,ULONG,PULONG); static HANDLE (WINAPI *pOpenFileMappingFromApp)( ULONG, BOOL, LPCWSTR); static HANDLE (WINAPI *pCreateFileMappingFromApp)(HANDLE, PSECURITY_ATTRIBUTES, ULONG, ULONG64, PCWSTR); static LPVOID (WINAPI *pMapViewOfFileFromApp)(HANDLE, ULONG, ULONG64, SIZE_T); @@ -481,6 +482,44 @@ static void test_VirtualAlloc2FromApp(void) } }
+static void test_VirtualProtectFromApp(void) +{ + ULONG old_prot; + void *p; + BOOL ret; + + if (!pVirtualProtectFromApp) + { + win_skip("VirtualProtectFromApp is not available.\n"); + return; + } + + SetLastError(0xdeadbeef); + p = VirtualAlloc(NULL, 0x1000, MEM_COMMIT, PAGE_READWRITE); + ok(p && GetLastError() == 0xdeadbeef, "Got unexpected mem %p, GetLastError() %lu.\n", p, GetLastError()); + ret = pVirtualProtectFromApp(p, 0x1000, PAGE_READONLY, &old_prot); + ok(ret && old_prot == PAGE_READWRITE, "Failed to change protection old_prot %lu, GetLastError() %lu\n", + old_prot, GetLastError()); + + ret = pVirtualProtectFromApp(p, 0x100000, PAGE_READWRITE, &old_prot); + ok(!ret && old_prot == PAGE_NOACCESS, "Call worked with overflowing size old_prot %lu\n", old_prot); + + ret = pVirtualProtectFromApp(p, 0x1000, PAGE_EXECUTE_READ, NULL); + ok(!ret, "Call worked without old_prot\n"); + + ret = pVirtualProtectFromApp(p, 0x1000, PAGE_GUARD, &old_prot); + /* Windows WoW64 sets old_prot to something bogus for an unknown reason */ + ok(!ret, "Call worked with an invalid new_prot parameter old_prot %lu\n", old_prot); + + /* Works on desktop, but not on UWP */ + ret = pVirtualProtectFromApp(p, 0x1000, PAGE_EXECUTE_READWRITE, &old_prot); + ok(ret && old_prot == PAGE_READONLY, "Failed to change protection old_prot %lu, GetLastError() %lu\n", + old_prot, GetLastError()); + + ret = VirtualFree(p, 0, MEM_RELEASE); + ok(ret, "Failed to free mem error %lu.\n", GetLastError()); +} + static void test_OpenFileMappingFromApp(void) { OBJECT_BASIC_INFORMATION info; @@ -601,6 +640,7 @@ static void init_funcs(void) X(VirtualAlloc2); X(VirtualAlloc2FromApp); X(VirtualAllocFromApp); + X(VirtualProtectFromApp); X(UnmapViewOfFile2);
hmod = GetModuleHandleA("ntdll.dll"); @@ -618,6 +658,7 @@ START_TEST(process) test_VirtualAlloc2(); test_VirtualAllocFromApp(); test_VirtualAlloc2FromApp(); + test_VirtualProtectFromApp(); test_OpenFileMappingFromApp(); test_CreateFileMappingFromApp(); test_MapViewOfFileFromApp();