121 lines
3.5 KiB
C++
121 lines
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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#include "mozilla/Assertions.h"
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#include "mozilla/DynamicallyLinkedFunctionPtr.h"
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#include "nsWindowsDllInterceptor.h"
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#include "nsWindowsHelpers.h"
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#include <shlwapi.h>
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static int NormalImport() { return ::GetSystemMetrics(SM_CYCAPTION); }
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static bool DelayLoadImport() {
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return !!::UrlIsW(L"http://example.com/", URLIS_FILEURL);
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}
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static mozilla::WindowsIATPatcher::FuncHookType<decltype(&::GetSystemMetrics)>
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gGetSystemMetricsHook;
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static mozilla::WindowsIATPatcher::FuncHookType<decltype(&::MessageBoxA)>
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gMessageBoxAHook;
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static mozilla::WindowsIATPatcher::FuncHookType<decltype(&::UrlIsW)> gUrlIsHook;
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static bool gGetSystemMetricsHookCalled = false;
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static int WINAPI GetSystemMetricsHook(int aIndex) {
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MOZ_DIAGNOSTIC_ASSERT(aIndex == SM_CYCAPTION);
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gGetSystemMetricsHookCalled = true;
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return 0;
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}
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static bool gUrlIsHookCalled = false;
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static BOOL WINAPI UrlIsWHook(PCWSTR aUrl, URLIS aFlags) {
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gUrlIsHookCalled = true;
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return TRUE;
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}
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static HMODULE GetStrongReferenceToExeModule() {
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HMODULE result;
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if (!::GetModuleHandleExW(0, nullptr, &result)) {
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return nullptr;
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}
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return result;
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}
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#define PRINT_FAIL(msg) printf("TEST-UNEXPECTED-FAIL | IATPatcher | " msg "\n")
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extern "C" int wmain(int argc, wchar_t* argv[]) {
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nsModuleHandle ourModule1(GetStrongReferenceToExeModule());
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if (!ourModule1) {
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PRINT_FAIL("Failed obtaining HMODULE for executable");
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return 1;
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}
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if (!gGetSystemMetricsHook.Set(ourModule1, "user32.dll", "GetSystemMetrics",
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&GetSystemMetricsHook)) {
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PRINT_FAIL("Failed setting GetSystemMetrics hook");
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return 1;
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}
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if (NormalImport() || !gGetSystemMetricsHookCalled) {
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PRINT_FAIL("GetSystemMetrics hook was not called");
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return 1;
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}
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static const mozilla::StaticDynamicallyLinkedFunctionPtr<
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decltype(&::GetSystemMetrics)>
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pRealGetSystemMetrics(L"user32.dll", "GetSystemMetrics");
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if (!pRealGetSystemMetrics) {
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PRINT_FAIL("Failed resolving real GetSystemMetrics pointer");
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return 1;
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}
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if (gGetSystemMetricsHook.GetStub() != pRealGetSystemMetrics) {
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PRINT_FAIL(
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"GetSystemMetrics hook stub pointer does not match real "
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"GetSystemMetrics pointer");
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return 1;
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}
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nsModuleHandle ourModule2(GetStrongReferenceToExeModule());
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if (!ourModule2) {
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PRINT_FAIL("Failed obtaining HMODULE for executable");
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return 1;
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}
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// This should fail becuase the test never calls, and thus never imports,
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// MessageBoxA
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if (gMessageBoxAHook.Set(ourModule2, "user32.dll", "MessageBoxA", nullptr)) {
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PRINT_FAIL("Setting MessageBoxA hook succeeded when it should have failed");
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return 1;
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}
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nsModuleHandle ourModule3(GetStrongReferenceToExeModule());
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if (!ourModule3) {
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PRINT_FAIL("Failed obtaining HMODULE for executable");
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return 1;
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}
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// These tests involve a delay-loaded import, which are not supported; we
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// expect these tests to FAIL.
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if (gUrlIsHook.Set(ourModule3, "shlwapi.dll", "UrlIsW", &UrlIsWHook)) {
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PRINT_FAIL("gUrlIsHook.Set should have failed");
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return 1;
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}
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if (DelayLoadImport() || gUrlIsHookCalled) {
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PRINT_FAIL("gUrlIsHook should not have been called");
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return 1;
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}
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printf("TEST-PASS | IATPatcher | All tests passed.\n");
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return 0;
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}
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