forked from chinosk/gkms-local
409 lines
20 KiB
C++
409 lines
20 KiB
C++
#include <android/log.h>
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#include "Hook.h"
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#include "Plugin.h"
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#include "Log.h"
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#include "../deps/UnityResolve/UnityResolve.hpp"
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#include "Il2cppUtils.hpp"
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#include "Local.h"
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#include <unordered_set>
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#include "camera/camera.hpp"
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#include "config/Config.hpp"
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#include "shadowhook.h"
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#include <jni.h>
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#include <thread>
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std::unordered_set<void*> hookedStubs{};
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#define DEFINE_HOOK(returnType, name, params) \
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using name##_Type = returnType(*) params; \
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name##_Type name##_Addr = nullptr; \
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name##_Type name##_Orig = nullptr; \
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returnType name##_Hook params
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#define ADD_HOOK(name, addr) \
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name##_Addr = reinterpret_cast<name##_Type>(addr); \
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if (addr) { \
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auto stub = hookInstaller->InstallHook(reinterpret_cast<void*>(addr), \
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reinterpret_cast<void*>(name##_Hook), \
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reinterpret_cast<void**>(&name##_Orig)); \
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if (stub == NULL) { \
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int error_num = shadowhook_get_errno(); \
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const char *error_msg = shadowhook_to_errmsg(error_num); \
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Log::ErrorFmt("ADD_HOOK: %s at %p failed: %s", #name, addr, error_msg); \
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} \
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else { \
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hookedStubs.emplace(stub); \
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GakumasLocal::Log::InfoFmt("ADD_HOOK: %s at %p", #name, addr); \
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} \
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} \
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else GakumasLocal::Log::ErrorFmt("Hook failed: %s is NULL", #name, addr)
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void UnHookAll() {
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for (const auto i: hookedStubs) {
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int result = shadowhook_unhook(i);
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if(result != 0)
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{
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int error_num = shadowhook_get_errno();
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const char *error_msg = shadowhook_to_errmsg(error_num);
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GakumasLocal::Log::ErrorFmt("unhook failed: %d - %s", error_num, error_msg);
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}
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}
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}
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namespace GakumasLocal::HookMain {
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using Il2cppString = UnityResolve::UnityType::String;
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UnityResolve::UnityType::String* environment_get_stacktrace() {
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/*
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static auto mtd = Il2cppUtils::GetMethod("mscorlib.dll", "System",
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"Environment", "get_StackTrace");
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return mtd->Invoke<UnityResolve::UnityType::String*>();*/
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const auto pClass = Il2cppUtils::GetClass("mscorlib.dll", "System.Diagnostics",
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"StackTrace");
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const auto ctor_mtd = Il2cppUtils::GetMethod("mscorlib.dll", "System.Diagnostics",
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"StackTrace", ".ctor");
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const auto toString_mtd = Il2cppUtils::GetMethod("mscorlib.dll", "System.Diagnostics",
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"StackTrace", "ToString");
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const auto klassInstance = pClass->New<void*>();
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ctor_mtd->Invoke<void>(klassInstance);
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return toString_mtd->Invoke<Il2cppString*>(klassInstance);
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}
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DEFINE_HOOK(void, Internal_LogException, (void* ex, void* obj)) {
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Internal_LogException_Orig(ex, obj);
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// Log::LogFmt(ANDROID_LOG_VERBOSE, "UnityLog - Internal_LogException");
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}
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DEFINE_HOOK(void, Internal_Log, (int logType, int logOption, UnityResolve::UnityType::String* content, void* context)) {
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Internal_Log_Orig(logType, logOption, content, context);
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// 2022.3.21f1
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// Log::LogFmt(ANDROID_LOG_VERBOSE, "UnityLog - Internal_Log: %s", content->ToString().c_str());
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}
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UnityResolve::UnityType::Camera* mainCameraCache = nullptr;
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UnityResolve::UnityType::Transform* cameraTransformCache = nullptr;
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void CheckAndUpdateMainCamera() {
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if (!Config::enableFreeCamera) return;
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static auto IsNativeObjectAlive = Il2cppUtils::GetMethod("UnityEngine.CoreModule.dll", "UnityEngine",
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"Object", "IsNativeObjectAlive");
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if (IsNativeObjectAlive->Invoke<bool>(mainCameraCache)) return;
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mainCameraCache = UnityResolve::UnityType::Camera::GetMain();
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cameraTransformCache = mainCameraCache->GetTransform();
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}
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DEFINE_HOOK(void, Unity_set_position_Injected, (UnityResolve::UnityType::Transform* _this, UnityResolve::UnityType::Vector3* data)) {
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if (Config::enableFreeCamera) {
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CheckAndUpdateMainCamera();
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if (cameraTransformCache == _this) {
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//Log::DebugFmt("MainCamera set pos: %f, %f, %f", data->x, data->y, data->z);
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auto& origCameraPos = GKCamera::baseCamera.pos;
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data->x = origCameraPos.x;
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data->y = origCameraPos.y;
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data->z = origCameraPos.z;
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}
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}
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return Unity_set_position_Injected_Orig(_this, data);
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}
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DEFINE_HOOK(void, Unity_set_rotation_Injected, (UnityResolve::UnityType::Transform* _this, UnityResolve::UnityType::Quaternion* value)) {
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if (Config::enableFreeCamera) {
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if (cameraTransformCache == _this) {
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auto& origCameraLookat = GKCamera::baseCamera.lookAt;
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static auto lookat_injected = reinterpret_cast<void (*)(void*_this,
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UnityResolve::UnityType::Vector3* worldPosition, UnityResolve::UnityType::Vector3* worldUp)>(
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Il2cppUtils::il2cpp_resolve_icall(
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"UnityEngine.Transform::Internal_LookAt_Injected(UnityEngine.Vector3&,UnityEngine.Vector3&)"));
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static auto worldUp = UnityResolve::UnityType::Vector3(0, 1, 0);
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lookat_injected(_this, &origCameraLookat, &worldUp);
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// TODO 相机 FOV
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return;
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}
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}
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return Unity_set_rotation_Injected_Orig(_this, value);
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}
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std::unordered_map<void*, std::string> loadHistory{};
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DEFINE_HOOK(void*, AssetBundle_LoadAssetAsync, (void* _this, Il2cppString* name, void* type)) {
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// Log::InfoFmt("AssetBundle_LoadAssetAsync: %s, type: %s", name->ToString().c_str());
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auto ret = AssetBundle_LoadAssetAsync_Orig(_this, name, type);
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loadHistory.emplace(ret, name->ToString());
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return ret;
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}
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DEFINE_HOOK(void*, AssetBundleRequest_GetResult, (void* _this)) {
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auto result = AssetBundleRequest_GetResult_Orig(_this);
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if (const auto iter = loadHistory.find(_this); iter != loadHistory.end()) {
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const auto name = iter->second;
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loadHistory.erase(iter);
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// const auto assetClass = Il2cppUtils::get_class_from_instance(result);
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// Log::InfoFmt("AssetBundleRequest_GetResult: %s, type: %s", name.c_str(), static_cast<Il2CppClassHead*>(assetClass)->name);
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}
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return result;
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}
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DEFINE_HOOK(void*, Resources_Load, (Il2cppString* path, void* systemTypeInstance)) {
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auto ret = Resources_Load_Orig(path, systemTypeInstance);
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// if (ret) Log::DebugFmt("Resources_Load: %s, type: %s", path->ToString().c_str(), Il2cppUtils::get_class_from_instance(ret)->name);
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return ret;
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}
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DEFINE_HOOK(void, I18nHelper_SetUpI18n, (void* _this, Il2cppString* lang, Il2cppString* localizationText, int keyComparison)) {
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// Log::InfoFmt("SetUpI18n lang: %s, key: %d text: %s", lang->ToString().c_str(), keyComparison, localizationText->ToString().c_str());
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// TODO 此处为 dump 原文 csv
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I18nHelper_SetUpI18n_Orig(_this, lang, localizationText, keyComparison);
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}
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DEFINE_HOOK(void, I18nHelper_SetValue, (void* _this, Il2cppString* key, Il2cppString* value)) {
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// Log::InfoFmt("I18nHelper_SetValue: %s - %s", key->ToString().c_str(), value->ToString().c_str());
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std::string local;
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if (Local::GetI18n(key->ToString(), &local)) {
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I18nHelper_SetValue_Orig(_this, key, UnityResolve::UnityType::String::New(local));
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return;
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}
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Local::DumpI18nItem(key->ToString(), value->ToString());
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I18nHelper_SetValue_Orig(_this, key, value);
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}
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void* fontCache = nullptr;
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void* GetReplaceFont() {
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static auto CreateFontFromPath = reinterpret_cast<void (*)(void* self, Il2cppString* path)>(
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Il2cppUtils::il2cpp_resolve_icall("UnityEngine.Font::Internal_CreateFontFromPath(UnityEngine.Font,System.String)")
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);
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static auto Font_klass = Il2cppUtils::GetClass("UnityEngine.TextRenderingModule.dll",
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"UnityEngine", "Font");
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static auto Font_ctor = Il2cppUtils::GetMethod("UnityEngine.TextRenderingModule.dll",
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"UnityEngine", "Font", ".ctor");
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static auto IsNativeObjectAlive = Il2cppUtils::GetMethod("UnityEngine.CoreModule.dll", "UnityEngine",
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"Object", "IsNativeObjectAlive");
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if (fontCache) {
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if (IsNativeObjectAlive->Invoke<bool>(fontCache)) {
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return fontCache;
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}
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}
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const auto newFont = Font_klass->New<void*>();
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Font_ctor->Invoke<void>(newFont);
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static std::string fontName = Local::GetBasePath() / "local-files" / "MO-UDShinGo-SC-Gb4-M.otf";
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CreateFontFromPath(newFont, Il2cppString::New(fontName));
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fontCache = newFont;
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return newFont;
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}
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std::unordered_set<void*> updatedFontPtrs{};
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void UpdateFont(void* TMP_Text_this) {
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static auto get_font = Il2cppUtils::GetMethod("Unity.TextMeshPro.dll",
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"TMPro", "TMP_Text", "get_font");
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static auto set_font = Il2cppUtils::GetMethod("Unity.TextMeshPro.dll",
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"TMPro", "TMP_Text", "set_font");
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static auto set_sourceFontFile = Il2cppUtils::GetMethod("Unity.TextMeshPro.dll", "TMPro",
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"TMP_FontAsset", "set_sourceFontFile");
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static auto UpdateFontAssetData = Il2cppUtils::GetMethod("Unity.TextMeshPro.dll", "TMPro",
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"TMP_FontAsset", "UpdateFontAssetData");
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auto fontAsset = get_font->Invoke<void*>(TMP_Text_this);
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auto newFont = GetReplaceFont();
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if (fontAsset && newFont) {
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set_sourceFontFile->Invoke<void>(fontAsset, newFont);
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if (!updatedFontPtrs.contains(fontAsset)) {
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updatedFontPtrs.emplace(fontAsset);
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UpdateFontAssetData->Invoke<void>(fontAsset);
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}
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}
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set_font->Invoke<void>(TMP_Text_this, fontAsset);
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}
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DEFINE_HOOK(void, TMP_Text_set_text, (void* _this, UnityResolve::UnityType::String* text)) {
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// Log::DebugFmt("TMP_Text_set_text: %s", text->ToString().c_str());
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std::string transText;
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if (Local::GetGenericText(text->ToString(), &transText)) {
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return TMP_Text_set_text_Orig(_this, UnityResolve::UnityType::String::New(transText));
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}
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// TMP_Text_set_text_Orig(_this, UnityResolve::UnityType::String::New("[TS]" + text->ToString()));
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TMP_Text_set_text_Orig(_this, text);
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static auto set_font = Il2cppUtils::GetMethod("Unity.TextMeshPro.dll",
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"TMPro", "TMP_Text", "set_font");
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//auto font = GetReplaceFontAsset();
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//set_font->Invoke<void>(_this, font);
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UpdateFont(_this);
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}
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DEFINE_HOOK(void, TextMeshProUGUI_Awake, (void* _this, void* method)) {
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// Log::InfoFmt("TextMeshProUGUI_Awake at %p, _this at %p", TextMeshProUGUI_Awake_Orig, _this);
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const auto TMP_Text_klass = Il2cppUtils::GetClass("Unity.TextMeshPro.dll",
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"TMPro", "TMP_Text");
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const auto get_Text_method = TMP_Text_klass->Get<UnityResolve::Method>("get_text");
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const auto set_Text_method = TMP_Text_klass->Get<UnityResolve::Method>("set_text");
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const auto currText = get_Text_method->Invoke<UnityResolve::UnityType::String*>(_this);
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if (currText) {
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//Log::InfoFmt("TextMeshProUGUI_Awake: %s", currText->ToString().c_str());
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std::string transText;
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if (Local::GetGenericText(currText->ToString(), &transText)) {
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TMP_Text_set_text_Orig(_this, UnityResolve::UnityType::String::New(transText));
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}
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}
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// set_font->Invoke<void>(_this, font);
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UpdateFont(_this);
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TextMeshProUGUI_Awake_Orig(_this, method);
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}
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// TODO 文本未hook完整 思路：从tips下手...
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DEFINE_HOOK(void, TextField_set_value, (void* _this, Il2cppString* value)) {
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Log::DebugFmt("TextField_set_value: %s", value->ToString().c_str());
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TextField_set_value_Orig(_this, value);
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}
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DEFINE_HOOK(Il2cppString*, OctoCaching_GetResourceFileName, (void* data, void* method)) {
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auto ret = OctoCaching_GetResourceFileName_Orig(data, method);
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//Log::DebugFmt("OctoCaching_GetResourceFileName: %s", ret->ToString().c_str());
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return ret;
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}
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DEFINE_HOOK(void, OctoResourceLoader_LoadFromCacheOrDownload,
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(void* _this, Il2cppString* resourceName, void* onComplete, void* onProgress, void* method)) {
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Log::DebugFmt("OctoResourceLoader_LoadFromCacheOrDownload: %s\n", resourceName->ToString().c_str());
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std::string replaceStr;
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if (Local::GetResourceText(resourceName->ToString(), &replaceStr)) {
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const auto onComplete_klass = Il2cppUtils::get_class_from_instance(onComplete);
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const auto onComplete_invoke_mtd = UnityResolve::Invoke<Il2cppUtils::MethodInfo*>(
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"il2cpp_class_get_method_from_name", onComplete_klass, "Invoke", 2);
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if (onComplete_invoke_mtd) {
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const auto onComplete_invoke = reinterpret_cast<void (*)(void*, Il2cppString*, void*)>(
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onComplete_invoke_mtd->methodPointer
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);
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onComplete_invoke(onComplete, UnityResolve::UnityType::String::New(replaceStr), NULL);
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return;
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}
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}
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return OctoResourceLoader_LoadFromCacheOrDownload_Orig(_this, resourceName, onComplete, onProgress, method);
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}
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DEFINE_HOOK(void, OnDownloadProgress_Invoke, (void* _this, Il2cppString* name, uint64_t receivedLength, uint64_t contentLength)) {
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Log::DebugFmt("OnDownloadProgress_Invoke: %s, %lu/%lu", name->ToString().c_str(), receivedLength, contentLength);
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OnDownloadProgress_Invoke_Orig(_this, name, receivedLength, contentLength);
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}
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// UnHooked
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DEFINE_HOOK(UnityResolve::UnityType::String*, UI_I18n_GetOrDefault, (void* _this,
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UnityResolve::UnityType::String* key, UnityResolve::UnityType::String* defaultKey, void* method)) {
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auto ret = UI_I18n_GetOrDefault_Orig(_this, key, defaultKey, method);
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// Log::DebugFmt("UI_I18n_GetOrDefault: key: %s, default: %s, result: %s", key->ToString().c_str(), defaultKey->ToString().c_str(), ret->ToString().c_str());
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return ret;
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// return UnityResolve::UnityType::String::New("[I18]" + ret->ToString());
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}
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void StartInjectFunctions() {
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const auto hookInstaller = Plugin::GetInstance().GetHookInstaller();
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UnityResolve::Init(xdl_open(hookInstaller->m_il2cppLibraryPath.c_str(), RTLD_NOW), UnityResolve::Mode::Il2Cpp);
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ADD_HOOK(AssetBundle_LoadAssetAsync, Il2cppUtils::il2cpp_resolve_icall(
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"UnityEngine.AssetBundle::LoadAssetAsync_Internal(System.String,System.Type)"));
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ADD_HOOK(AssetBundleRequest_GetResult, Il2cppUtils::il2cpp_resolve_icall(
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"UnityEngine.AssetBundleRequest::GetResult()"));
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ADD_HOOK(Resources_Load, Il2cppUtils::il2cpp_resolve_icall(
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"UnityEngine.ResourcesAPIInternal::Load(System.String,System.Type)"));
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ADD_HOOK(I18nHelper_SetUpI18n, Il2cppUtils::GetMethodPointer("quaunity-ui.Runtime.dll", "Qua.UI",
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"I18nHelper", "SetUpI18n"));
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ADD_HOOK(I18nHelper_SetValue, Il2cppUtils::GetMethodPointer("quaunity-ui.Runtime.dll", "Qua.UI",
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"I18n", "SetValue"));
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//ADD_HOOK(UI_I18n_GetOrDefault, Il2cppUtils::GetMethodPointer("quaunity-ui.Runtime.dll", "Qua.UI",
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// "I18n", "GetOrDefault"));
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ADD_HOOK(TextMeshProUGUI_Awake, Il2cppUtils::GetMethodPointer("Unity.TextMeshPro.dll", "TMPro",
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"TextMeshProUGUI", "Awake"));
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ADD_HOOK(TMP_Text_set_text, Il2cppUtils::GetMethodPointer("Unity.TextMeshPro.dll", "TMPro",
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"TMP_Text", "set_text"));
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ADD_HOOK(TextField_set_value, Il2cppUtils::GetMethodPointer("UnityEngine.UIElementsModule.dll", "UnityEngine.UIElements",
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"TextField", "set_value"));
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ADD_HOOK(OctoCaching_GetResourceFileName, Il2cppUtils::GetMethodPointer("Octo.dll", "Octo.Caching",
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"OctoCaching", "GetResourceFileName"));
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ADD_HOOK(OctoResourceLoader_LoadFromCacheOrDownload,
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Il2cppUtils::GetMethodPointer("Octo.dll", "Octo.Loader",
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"OctoResourceLoader", "LoadFromCacheOrDownload",
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{"System.String", "System.Action<System.String,Octo.LoadError>", "Octo.OnDownloadProgress"}));
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ADD_HOOK(OnDownloadProgress_Invoke,
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Il2cppUtils::GetMethodPointer("Octo.dll", "Octo",
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"OnDownloadProgress", "Invoke"));
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ADD_HOOK(Internal_LogException, Il2cppUtils::il2cpp_resolve_icall(
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"UnityEngine.DebugLogHandler::Internal_LogException(System.Exception,UnityEngine.Object)"));
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ADD_HOOK(Internal_Log, Il2cppUtils::il2cpp_resolve_icall(
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"UnityEngine.DebugLogHandler::Internal_Log(UnityEngine.LogType,UnityEngine.LogOption,System.String,UnityEngine.Object)"));
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ADD_HOOK(Unity_set_position_Injected, Il2cppUtils::il2cpp_resolve_icall(
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"UnityEngine.Transform::set_position_Injected(UnityEngine.Vector3&)"));
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ADD_HOOK(Unity_set_rotation_Injected, Il2cppUtils::il2cpp_resolve_icall(
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"UnityEngine.Transform::set_rotation_Injected(UnityEngine.Quaternion&)"));
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}
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// 77 2640 5000
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DEFINE_HOOK(int, il2cpp_init, (const char* domain_name)) {
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const auto ret = il2cpp_init_Orig(domain_name);
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// InjectFunctions();
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Log::Info("Waiting for config...");
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while (!Config::isConfigInit) {
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std::this_thread::sleep_for(std::chrono::milliseconds(100));
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}
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if (!Config::enabled) {
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Log::Info("Plugin not enabled");
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return ret;
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}
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Log::Info("Start init plugin...");
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StartInjectFunctions();
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GKCamera::initCameraSettings();
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Local::LoadData();
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Log::Info("Plugin init finished.");
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return ret;
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}
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}
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namespace GakumasLocal::Hook {
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void Install() {
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const auto hookInstaller = Plugin::GetInstance().GetHookInstaller();
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Log::Info("Installing hook");
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ADD_HOOK(HookMain::il2cpp_init,
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Plugin::GetInstance().GetHookInstaller()->LookupSymbol("il2cpp_init"));
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Log::Info("Hook installed");
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}
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}
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