reactos/rostests/apitests/appshim/dispmode.c

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/*
* Copyright 2016 Mark Jansen
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <ntstatus.h>
#define WIN32_NO_STATUS
#include <windows.h>
#ifdef __REACTOS__
#include <ntndk.h>
#else
#include <winternl.h>
#endif
#include <stdio.h>
#include <strsafe.h>
#include "wine/test.h"
static DWORD g_Version;
#define WINVER_ANY 0
/* apphelp.dll */
static BOOL(WINAPI* pSdbGetAppPatchDir)(PVOID, LPWSTR, DWORD);
/* aclayers.dll / acgenral.dll */
static PVOID(WINAPI* pGetHookAPIs)(LPCSTR, LPCWSTR, PDWORD);
static BOOL(WINAPI* pNotifyShims)(DWORD fdwReason, PVOID ptr);
DWORD get_module_version(HMODULE mod)
{
DWORD dwVersion = 0;
HRSRC hResInfo = FindResource(mod, MAKEINTRESOURCE(VS_VERSION_INFO), RT_VERSION);
DWORD dwSize = SizeofResource(mod, hResInfo);
if (hResInfo && dwSize)
{
VS_FIXEDFILEINFO *lpFfi;
UINT uLen;
HGLOBAL hResData = LoadResource(mod, hResInfo);
LPVOID pRes = LockResource(hResData);
HLOCAL pResCopy = LocalAlloc(LMEM_FIXED, dwSize);
CopyMemory(pResCopy, pRes, dwSize);
FreeResource(hResData);
if (VerQueryValueW(pResCopy, L"\\", (LPVOID*)&lpFfi, &uLen))
{
dwVersion = (HIWORD(lpFfi->dwProductVersionMS) << 8) | LOWORD(lpFfi->dwProductVersionMS);
if (!dwVersion)
dwVersion = (HIWORD(lpFfi->dwFileVersionMS) << 8) | LOWORD(lpFfi->dwFileVersionMS);
}
LocalFree(pResCopy);
}
return dwVersion;
}
static LONG g_ChangeCount;
static DEVMODEA g_LastDevmode;
static DWORD g_LastFlags;
static LONG (WINAPI *pChangeDisplaySettingsA)(_In_opt_ PDEVMODEA lpDevMode, _In_ DWORD dwflags);
LONG WINAPI mChangeDisplaySettingsA(_In_opt_ PDEVMODEA lpDevMode, _In_ DWORD dwflags)
{
g_ChangeCount++;
g_LastDevmode = *lpDevMode;
g_LastFlags = dwflags;
return DISP_CHANGE_FAILED;
}
static LONG g_EnumCount;
static BOOL bFix = TRUE;
static BOOL (WINAPI *pEnumDisplaySettingsA)(_In_opt_ LPCSTR lpszDeviceName, _In_ DWORD iModeNum, _Inout_ PDEVMODEA lpDevMode);
BOOL WINAPI mEnumDisplaySettingsA(_In_opt_ LPCSTR lpszDeviceName, _In_ DWORD iModeNum, _Inout_ PDEVMODEA lpDevMode)
{
g_EnumCount++;
if (pEnumDisplaySettingsA(lpszDeviceName, iModeNum, lpDevMode))
{
if (bFix)
{
if (lpDevMode && lpDevMode->dmBitsPerPel == 8)
{
trace("Running at 8bpp, faking 16\n");
lpDevMode->dmBitsPerPel = 16;
}
if (lpDevMode && lpDevMode->dmPelsWidth == 640 && lpDevMode->dmPelsHeight == 480)
{
trace("Running at 640x480, faking 800x600\n");
lpDevMode->dmPelsWidth = 800;
lpDevMode->dmPelsHeight = 600;
}
}
else
{
if (lpDevMode)
{
lpDevMode->dmBitsPerPel = 8;
lpDevMode->dmPelsWidth = 640;
lpDevMode->dmPelsHeight = 480;
}
}
return TRUE;
}
return FALSE;
}
static LONG g_ThemeCount;
static DWORD g_LastThemeFlags;
static void (WINAPI *pSetThemeAppProperties)(DWORD dwFlags);
void WINAPI mSetThemeAppProperties(DWORD dwFlags)
{
g_ThemeCount++;
g_LastThemeFlags = dwFlags;
}
static const WCHAR* shim_dll(const WCHAR* name)
{
static WCHAR buf[MAX_PATH];
pSdbGetAppPatchDir(NULL, buf, MAX_PATH);
StringCchCatW(buf, _countof(buf), name);
return buf;
}
static void pre_8bit(void)
{
g_ChangeCount = 0;
memset(&g_LastDevmode, 0, sizeof(g_LastDevmode));
g_LastFlags = 0xffffffff;
g_EnumCount = 0;
}
static void pre_8bit_2(void)
{
bFix = FALSE;
pre_8bit();
}
static void post_8bit(void)
{
ok_int(g_ChangeCount, 1);
ok_hex(g_LastDevmode.dmFields & DM_BITSPERPEL, DM_BITSPERPEL);
ok_int(g_LastDevmode.dmBitsPerPel, 8);
ok_hex(g_LastFlags, CDS_FULLSCREEN);
ok_int(g_EnumCount, 1);
}
static void post_8bit_2(void)
{
ok_int(g_ChangeCount, 0);
ok_hex(g_LastFlags, 0xffffffff);
ok_int(g_EnumCount, 1);
bFix = TRUE;
}
static void post_8bit_no(void)
{
if (g_Version == _WIN32_WINNT_WS03)
{
ok_int(g_ChangeCount, 1);
ok_hex(g_LastDevmode.dmFields & DM_BITSPERPEL, DM_BITSPERPEL);
ok_int(g_LastDevmode.dmBitsPerPel, 8);
ok_hex(g_LastFlags, CDS_FULLSCREEN);
ok_int(g_EnumCount, 1);
}
else
{
ok_int(g_ChangeCount, 0);
ok_hex(g_LastFlags, 0xffffffff);
ok_int(g_EnumCount, 0);
}
bFix = TRUE;
}
static void post_8bit_2_no(void)
{
if (g_Version == _WIN32_WINNT_WS03)
{
ok_int(g_ChangeCount, 0);
ok_hex(g_LastFlags, 0xffffffff);
ok_int(g_EnumCount, 1);
}
else
{
ok_int(g_ChangeCount, 0);
ok_hex(g_LastFlags, 0xffffffff);
ok_int(g_EnumCount, 0);
}
bFix = TRUE;
}
static void pre_640(void)
{
g_ChangeCount = 0;
memset(&g_LastDevmode, 0, sizeof(g_LastDevmode));
g_LastFlags = 0xffffffff;
g_EnumCount = 0;
}
static void pre_640_2(void)
{
bFix = FALSE;
pre_640();
}
static void post_640(void)
{
ok_int(g_ChangeCount, 1);
ok_hex(g_LastDevmode.dmFields & (DM_PELSWIDTH | DM_PELSHEIGHT), (DM_PELSWIDTH | DM_PELSHEIGHT));
ok_int(g_LastDevmode.dmPelsWidth, 640);
ok_int(g_LastDevmode.dmPelsHeight, 480);
ok_hex(g_LastFlags, CDS_FULLSCREEN);
ok_int(g_EnumCount, 1);
}
static void post_640_2(void)
{
ok_int(g_ChangeCount, 0);
ok_hex(g_LastFlags, 0xffffffff);
ok_int(g_EnumCount, 1);
bFix = TRUE;
}
static void post_640_no(void)
{
if (g_Version == _WIN32_WINNT_WS03)
{
ok_int(g_ChangeCount, 1);
ok_hex(g_LastDevmode.dmFields & (DM_PELSWIDTH | DM_PELSHEIGHT), (DM_PELSWIDTH | DM_PELSHEIGHT));
ok_int(g_LastDevmode.dmPelsWidth, 640);
ok_int(g_LastDevmode.dmPelsHeight, 480);
ok_hex(g_LastFlags, CDS_FULLSCREEN);
ok_int(g_EnumCount, 1);
}
else
{
ok_int(g_ChangeCount, 0);
ok_hex(g_LastFlags, 0xffffffff);
ok_int(g_EnumCount, 0);
}
bFix = TRUE;
}
static void post_640_2_no(void)
{
if (g_Version == _WIN32_WINNT_WS03)
{
ok_int(g_ChangeCount, 0);
ok_hex(g_LastFlags, 0xffffffff);
ok_int(g_EnumCount, 1);
}
else
{
ok_int(g_ChangeCount, 0);
ok_hex(g_LastFlags, 0xffffffff);
ok_int(g_EnumCount, 0);
}
bFix = TRUE;
}
static void pre_theme(void)
{
g_ThemeCount = 0;
g_LastThemeFlags = 0xffffffff;
}
static void post_theme(void)
{
ok_int(g_ThemeCount, 1);
ok_hex(g_LastThemeFlags, 0);
}
static void post_theme_no(void)
{
if (g_Version == _WIN32_WINNT_WS03)
{
ok_int(g_ThemeCount, 1);
ok_hex(g_LastThemeFlags, 0);
}
else
{
ok_int(g_ThemeCount, 0);
ok_hex(g_LastThemeFlags, 0xffffffff);
}
}
static PIMAGE_IMPORT_DESCRIPTOR FindImportDescriptor(PBYTE DllBase, PCSTR DllName)
{
ULONG Size;
PIMAGE_IMPORT_DESCRIPTOR ImportDescriptor = RtlImageDirectoryEntryToData((HMODULE)DllBase, TRUE, IMAGE_DIRECTORY_ENTRY_IMPORT, &Size);
while (ImportDescriptor->Name && ImportDescriptor->OriginalFirstThunk)
{
PCHAR Name = (PCHAR)(DllBase + ImportDescriptor->Name);
if (!lstrcmpiA(Name, DllName))
{
return ImportDescriptor;
}
ImportDescriptor++;
}
return NULL;
}
static BOOL RedirectIat(HMODULE TargetDll, PCSTR DllName, PCSTR FunctionName, ULONG_PTR NewFunction, ULONG_PTR* OriginalFunction)
{
PBYTE DllBase = (PBYTE)TargetDll;
PIMAGE_IMPORT_DESCRIPTOR ImportDescriptor = FindImportDescriptor(DllBase, DllName);
if (ImportDescriptor)
{
// On loaded images, OriginalFirstThunk points to the name / ordinal of the function
PIMAGE_THUNK_DATA OriginalThunk = (PIMAGE_THUNK_DATA)(DllBase + ImportDescriptor->OriginalFirstThunk);
// FirstThunk points to the resolved address.
PIMAGE_THUNK_DATA FirstThunk = (PIMAGE_THUNK_DATA)(DllBase + ImportDescriptor->FirstThunk);
while (OriginalThunk->u1.AddressOfData && FirstThunk->u1.Function)
{
if (!IMAGE_SNAP_BY_ORDINAL32(OriginalThunk->u1.AddressOfData))
{
PIMAGE_IMPORT_BY_NAME ImportName = (PIMAGE_IMPORT_BY_NAME)(DllBase + OriginalThunk->u1.AddressOfData);
if (!lstrcmpiA((PCSTR)ImportName->Name, FunctionName))
{
DWORD dwOld;
VirtualProtect(&FirstThunk->u1.Function, sizeof(ULONG_PTR), PAGE_EXECUTE_READWRITE, &dwOld);
*OriginalFunction = FirstThunk->u1.Function;
FirstThunk->u1.Function = NewFunction;
VirtualProtect(&FirstThunk->u1.Function, sizeof(ULONG_PTR), dwOld, &dwOld);
return TRUE;
}
}
OriginalThunk++;
FirstThunk++;
}
skip("Unable to find the Import %s!%s\n", DllName, FunctionName);
}
else
{
skip("Unable to find the ImportDescriptor for %s\n", DllName);
}
return FALSE;
}
static BOOL hook_disp(HMODULE dll)
{
return RedirectIat(dll, "user32.dll", "ChangeDisplaySettingsA", (ULONG_PTR)mChangeDisplaySettingsA, (ULONG_PTR*)&pChangeDisplaySettingsA) &&
RedirectIat(dll, "user32.dll", "EnumDisplaySettingsA", (ULONG_PTR)mEnumDisplaySettingsA, (ULONG_PTR*)&pEnumDisplaySettingsA);
}
static BOOL hook_theme(HMODULE dll)
{
return RedirectIat(dll, "uxtheme.dll", "SetThemeAppProperties", (ULONG_PTR)mSetThemeAppProperties, (ULONG_PTR*)&pSetThemeAppProperties);
}
static void test_one(LPCSTR shim, DWORD dwReason, void(*pre)(), void(*post)(), void(*second)(void))
{
DWORD num_shims = 0;
WCHAR wide_shim[50] = { 0 };
PVOID hook;
BOOL ret;
MultiByteToWideChar(CP_ACP, 0, shim, -1, wide_shim, 50);
if (pre)
pre();
hook = pGetHookAPIs("", wide_shim, &num_shims);
if (hook == NULL)
{
skip("Skipping tests for layers (%s) not present in this os (0x%x)\n", shim, g_Version);
return;
}
ok(hook != NULL, "Expected hook to be a valid pointer for %s\n", shim);
ok(num_shims == 0, "Expected not to find any apihooks, got: %u for %s\n", num_shims, shim);
ret = pNotifyShims(dwReason, NULL);
/* Win7 and Win10 return 1, w2k3 returns a pointer */
ok(ret != 0, "Expected pNotifyShims to succeed (%i)\n", ret);
if (post)
post();
/* Invoking it a second time does not call the init functions again! */
if (pre && second)
{
pre();
ret = pNotifyShims(dwReason, NULL);
ok(ret != 0, "Expected pNotifyShims to succeed (%i)\n", ret);
second();
}
}
/* In 2k3 0, 2, 4, 6, 8 are not guarded against re-initializations! */
static struct test_info
{
const char* name;
const WCHAR* dll;
DWORD winver;
DWORD reason;
BOOL(*hook)(HMODULE);
void(*pre)(void);
void(*post)(void);
void(*second)(void);
} tests[] =
{
/* Success */
{ "Force8BitColor", L"\\aclayers.dll", WINVER_ANY, 1, hook_disp, pre_8bit, post_8bit, post_8bit_no },
{ "Force8BitColor", L"\\aclayers.dll", _WIN32_WINNT_VISTA, 100, hook_disp, pre_8bit, post_8bit, post_8bit_no },
{ "Force640x480", L"\\aclayers.dll", WINVER_ANY, 1, hook_disp, pre_640, post_640, post_640_no },
{ "Force640x480", L"\\aclayers.dll", _WIN32_WINNT_VISTA, 100, hook_disp, pre_640, post_640, post_640_no },
{ "DisableThemes", L"\\acgenral.dll", WINVER_ANY, 1, hook_theme, pre_theme, post_theme, post_theme_no },
{ "DisableThemes", L"\\acgenral.dll", _WIN32_WINNT_VISTA, 100, hook_theme, pre_theme, post_theme, post_theme_no },
/* No need to change anything */
{ "Force8BitColor", L"\\aclayers.dll", WINVER_ANY, 1, hook_disp, pre_8bit_2, post_8bit_2, post_8bit_2_no },
{ "Force8BitColor", L"\\aclayers.dll", _WIN32_WINNT_VISTA, 100, hook_disp, pre_8bit_2, post_8bit_2, post_8bit_2_no },
{ "Force640x480", L"\\aclayers.dll", WINVER_ANY, 1, hook_disp, pre_640_2, post_640_2, post_640_2_no },
{ "Force640x480", L"\\aclayers.dll", _WIN32_WINNT_VISTA, 100, hook_disp, pre_640_2, post_640_2, post_640_2_no },
};
static void run_test(size_t n, BOOL unload)
{
BOOL ret;
HMODULE dll;
const WCHAR* buf = shim_dll(tests[n].dll);
dll = LoadLibraryW(shim_dll(tests[n].dll));
pGetHookAPIs = (void*)GetProcAddress(dll, "GetHookAPIs");
pNotifyShims = (void*)GetProcAddress(dll, "NotifyShims");
if (!pGetHookAPIs || !pNotifyShims)
{
skip("aclayers.dll not loaded, or does not export GetHookAPIs or pNotifyShims (%s, %p, %p)\n",
tests[n].name, pGetHookAPIs, pNotifyShims);
return;
}
g_Version = get_module_version(dll);
if (!g_Version)
{
g_Version = _WIN32_WINNT_WS03;
trace("Module %s has no version, faking 2k3\n", wine_dbgstr_w(tests[n].dll));
}
if (g_Version >= tests[n].winver)
{
ret = tests[n].hook(dll);
if (ret)
{
test_one(tests[n].name, tests[n].reason, tests[n].pre, tests[n].post, tests[n].second);
}
else
{
ok(0, "Unable to redirect functions!\n");
}
}
FreeLibrary(dll);
if (unload)
{
dll = GetModuleHandleW(buf);
ok(dll == NULL, "Unable to unload %s\n", wine_dbgstr_w(buf));
}
}
START_TEST(dispmode)
{
HMODULE dll = LoadLibraryA("apphelp.dll");
size_t n;
int argc;
char **argv;
pSdbGetAppPatchDir = (void*)GetProcAddress(dll, "SdbGetAppPatchDir");
if (!pSdbGetAppPatchDir)
{
skip("apphelp.dll not loaded, or does not export SdbGetAppPatchDir\n");
return;
}
argc = winetest_get_mainargs(&argv);
if (argc < 3)
{
WCHAR path[MAX_PATH];
GetModuleFileNameW(NULL, path, _countof(path));
dll = GetModuleHandleW(shim_dll(L"\\aclayers.dll"));
if (!dll)
dll = GetModuleHandleW(shim_dll(L"\\acgenral.dll"));
if (dll != NULL)
trace("Loaded under a shim, running each test in it's own process\n");
for (n = 0; n < _countof(tests); ++n)
{
LONG failures = winetest_get_failures();
if (dll == NULL)
{
run_test(n, TRUE);
}
else
{
WCHAR buf[MAX_PATH+40];
STARTUPINFOW si = { sizeof(si) };
PROCESS_INFORMATION pi;
BOOL created;
StringCchPrintfW(buf, _countof(buf), L"\"%ls\" dispmode %u", path, n);
created = CreateProcessW(NULL, buf, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
ok(created, "Expected CreateProcess to succeed\n");
if (created)
{
winetest_wait_child_process(pi.hProcess);
CloseHandle(pi.hThread);
CloseHandle(pi.hProcess);
}
}
ok(failures == winetest_get_failures(), "Last %u failures are from %d (%s)\n",
winetest_get_failures() - failures, n, tests[n].name);
}
}
else
{
n = (size_t)atoi(argv[2]);
if (n >= 0 && n < _countof(tests))
{
run_test(n, FALSE);
}
else
{
ok(0, "Test out of range: %u\n", n);
}
}
}