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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <shlobj.h>
#include <stdio.h>
#include "mozilla/WindowsVersion.h"
#include "nsWindowsDllInterceptor.h"
#include "nsWindowsHelpers.h"
using namespace mozilla;
struct payload {
UINT64 a;
UINT64 b;
UINT64 c;
bool operator==(const payload &other) const {
return (a == other.a &&
b == other.b &&
c == other.c);
}
};
extern "C" __declspec(dllexport) __declspec(noinline) payload rotatePayload(payload p) {
UINT64 tmp = p.a;
p.a = p.b;
p.b = p.c;
p.c = tmp;
return p;
}
static bool patched_func_called = false;
static payload (*orig_rotatePayload)(payload);
static payload
patched_rotatePayload(payload p)
{
patched_func_called = true;
return orig_rotatePayload(p);
}
bool TestHook(const char *dll, const char *func)
{
void *orig_func;
bool successful = false;
{
WindowsDllInterceptor TestIntercept;
TestIntercept.Init(dll);
successful = TestIntercept.AddHook(func, 0, &orig_func);
}
if (successful) {
printf("TEST-PASS | WindowsDllInterceptor | Could hook %s from %s\n", func, dll);
return true;
} else {
printf("TEST-UNEXPECTED-FAIL | WindowsDllInterceptor | Failed to hook %s from %s\n", func, dll);
return false;
}
}
bool TestDetour(const char *dll, const char *func)
{
void *orig_func;
bool successful = false;
{
WindowsDllInterceptor TestIntercept;
TestIntercept.Init(dll);
successful = TestIntercept.AddDetour(func, 0, &orig_func);
}
if (successful) {
printf("TEST-PASS | WindowsDllInterceptor | Could detour %s from %s\n", func, dll);
return true;
} else {
printf("TEST-UNEXPECTED-FAIL | WindowsDllInterceptor | Failed to detour %s from %s\n", func, dll);
return false;
}
}
bool MaybeTestHook(const bool cond, const char* dll, const char* func)
{
if (!cond) {
return true;
}
return TestHook(dll, func);
}
bool ShouldTestTipTsf()
{
#if defined(_M_X64)
return false;
#else
if (!IsWin8OrLater()) {
return false;
}
nsModuleHandle shell32(LoadLibraryW(L"shell32.dll"));
if (!shell32) {
return true;
}
auto pSHGetKnownFolderPath = reinterpret_cast<decltype(&SHGetKnownFolderPath)>(GetProcAddress(shell32, "SHGetKnownFolderPath"));
if (!pSHGetKnownFolderPath) {
return true;
}
PWSTR commonFilesPath = nullptr;
if (FAILED(pSHGetKnownFolderPath(FOLDERID_ProgramFilesCommon, 0, nullptr,
&commonFilesPath))) {
return true;
}
wchar_t fullPath[MAX_PATH + 1] = {};
wcscpy(fullPath, commonFilesPath);
wcscat(fullPath, L"\\Microsoft Shared\\Ink\\tiptsf.dll");
CoTaskMemFree(commonFilesPath);
if (!LoadLibraryW(fullPath)) {
return false;
}
// Leak the module so that it's loaded for the interceptor test
return true;
#endif
}
int main()
{
payload initial = { 0x12345678, 0xfc4e9d31, 0x87654321 };
payload p0, p1;
ZeroMemory(&p0, sizeof(p0));
ZeroMemory(&p1, sizeof(p1));
p0 = rotatePayload(initial);
{
WindowsDllInterceptor ExeIntercept;
ExeIntercept.Init("TestDllInterceptor.exe");
if (ExeIntercept.AddHook("rotatePayload", reinterpret_cast<intptr_t>(patched_rotatePayload), (void**) &orig_rotatePayload)) {
printf("TEST-PASS | WindowsDllInterceptor | Hook added\n");
} else {
printf("TEST-UNEXPECTED-FAIL | WindowsDllInterceptor | Failed to add hook\n");
return 1;
}
p1 = rotatePayload(initial);
if (patched_func_called) {
printf("TEST-PASS | WindowsDllInterceptor | Hook called\n");
} else {
printf("TEST-UNEXPECTED-FAIL | WindowsDllInterceptor | Hook was not called\n");
return 1;
}
if (p0 == p1) {
printf("TEST-PASS | WindowsDllInterceptor | Hook works properly\n");
} else {
printf("TEST-UNEXPECTED-FAIL | WindowsDllInterceptor | Hook didn't return the right information\n");
return 1;
}
}
patched_func_called = false;
ZeroMemory(&p1, sizeof(p1));
p1 = rotatePayload(initial);
if (!patched_func_called) {
printf("TEST-PASS | WindowsDllInterceptor | Hook was not called after unregistration\n");
} else {
printf("TEST-UNEXPECTED-FAIL | WindowsDllInterceptor | Hook was still called after unregistration\n");
return 1;
}
if (p0 == p1) {
printf("TEST-PASS | WindowsDllInterceptor | Original function worked properly\n");
} else {
printf("TEST-UNEXPECTED-FAIL | WindowsDllInterceptor | Original function didn't return the right information\n");
return 1;
}
if (TestHook("user32.dll", "GetWindowInfo") &&
#ifdef _WIN64
TestHook("user32.dll", "SetWindowLongPtrA") &&
TestHook("user32.dll", "SetWindowLongPtrW") &&
#else
TestHook("user32.dll", "SetWindowLongA") &&
TestHook("user32.dll", "SetWindowLongW") &&
#endif
TestHook("user32.dll", "TrackPopupMenu") &&
#ifdef _M_IX86
// We keep this test to hook complex code on x86. (Bug 850957)
TestHook("ntdll.dll", "NtFlushBuffersFile") &&
#endif
TestHook("ntdll.dll", "NtCreateFile") &&
TestHook("ntdll.dll", "NtReadFile") &&
TestHook("ntdll.dll", "NtReadFileScatter") &&
TestHook("ntdll.dll", "NtWriteFile") &&
TestHook("ntdll.dll", "NtWriteFileGather") &&
TestHook("ntdll.dll", "NtQueryFullAttributesFile") &&
// Bug 733892: toolkit/crashreporter/nsExceptionHandler.cpp
TestHook("kernel32.dll", "SetUnhandledExceptionFilter") &&
#ifdef _M_IX86
// Bug 670967: xpcom/base/AvailableMemoryTracker.cpp
TestHook("kernel32.dll", "VirtualAlloc") &&
TestHook("kernel32.dll", "MapViewOfFile") &&
TestHook("gdi32.dll", "CreateDIBSection") &&
TestHook("kernel32.dll", "CreateFileW") &&
#endif
TestDetour("user32.dll", "CreateWindowExW") &&
TestHook("user32.dll", "InSendMessageEx") &&
TestHook("imm32.dll", "ImmGetContext") &&
TestHook("imm32.dll", "ImmGetCompositionStringW") &&
TestHook("imm32.dll", "ImmSetCandidateWindow") &&
#ifdef _M_X64
TestHook("user32.dll", "GetKeyState") &&
#endif
MaybeTestHook(ShouldTestTipTsf(), "tiptsf.dll", "ProcessCaretEvents") &&
#ifdef _M_IX86
TestHook("user32.dll", "SendMessageTimeoutW") &&
#endif
TestDetour("ntdll.dll", "LdrLoadDll")) {
printf("TEST-PASS | WindowsDllInterceptor | all checks passed\n");
return 0;
}
return 1;
}
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