mirror of
https://github.com/ocornut/imgui.git
synced 2026-11-06 14:35:51 +01:00
334 lines
12 KiB
C++
334 lines
12 KiB
C++
#include <pthread.h>
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#include <unistd.h>
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#include <android/log.h>
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#include <EGL/egl.h>
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#include <GLES3/gl3.h>
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#include <dlfcn.h>
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#include <android/input.h>
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#include <stdio.h>
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#include <algorithm>
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#include <atomic>
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#include <vector>
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#include <mutex>
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#include <thread>
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#include <chrono>
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#include <fcntl.h>
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#include <dirent.h>
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#include <iomanip>
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#include <sstream>
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#include <link.h>
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#include <sys/mman.h>
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#include "dobby.h"
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#include "imgui.h"
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#include "imgui_impl_android.h"
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#include "imgui_impl_opengl3.h"
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#define TAG "IL2CPP_Drive"
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#define GAME_MODULE "libil2cpp.so"
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// --- 实时日志系统 ---
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std::atomic<int> g_InitCallCount{0};
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std::vector<std::string> g_AppLogs;
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std::mutex g_LogMutex;
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void AddLog(const char* fmt, ...) {
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char buf[1024];
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va_list args;
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va_start(args, fmt);
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vsnprintf(buf, sizeof(buf), fmt, args);
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va_end(args);
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__android_log_print(ANDROID_LOG_INFO, TAG, "%s", buf);
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std::lock_guard<std::mutex> lock(g_LogMutex);
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if (g_AppLogs.size() > 30) g_AppLogs.erase(g_AppLogs.begin());
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g_AppLogs.push_back(buf);
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}
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#undef LOGI
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#undef LOGE
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#define LOGI(...) AddLog(__VA_ARGS__)
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#define LOGE(...) AddLog("[ERROR] " __VA_ARGS__)
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static bool g_Initialized = false;
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static bool g_FontLoaded = false;
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static bool g_IsHookInstalled = false;
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struct {
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float x = 0.0f;
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float y = 0.0f;
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std::atomic<bool> down{false};
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float renderW = 0.0f;
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float renderH = 0.0f;
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float physW = 3392.0f;
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float physH = 2400.0f;
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float offsetX = 0.0f;
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float offsetY = 0.0f;
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} g_Touch;
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static float g_UserUIScale = 1.0f;
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static uintptr_t g_GameBase = 0;
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static uintptr_t g_HookAddr_InitActor = 0;
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static std::atomic<uintptr_t> g_CapturedX0{0};
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static std::atomic<uintptr_t> g_CapturedX1{0};
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static std::atomic<uintptr_t> g_CapturedX2{0};
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static int g_MemFd = -1;
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// 辅助：读取内存转为 Hex 字符串
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std::string ReadMemoryHex(uintptr_t address, size_t size) {
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if (address == 0) return "null";
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unsigned char buffer[32] = {0};
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if (g_MemFd == -1) g_MemFd = open("/proc/self/mem", O_RDONLY);
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if (g_MemFd >= 0) {
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ssize_t bytes_read = pread(g_MemFd, buffer, std::min(size, sizeof(buffer)), address);
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if (bytes_read > 0) {
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std::stringstream ss;
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for (ssize_t i = 0; i < bytes_read; ++i) {
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ss << std::hex << std::setw(2) << std::setfill('0') << (int)buffer[i] << " ";
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}
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return ss.str();
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}
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}
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return "read_failed";
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}
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// ==========================================
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// 【核心修复】使用底层 Linker 迭代器获取真实基址 (Frida 同款原理)
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// ==========================================
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struct ModuleInfo {
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const char* name;
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uintptr_t base;
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};
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static int dl_iterate_callback(struct dl_phdr_info *info, size_t size, void *data) {
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ModuleInfo* modInfo = (ModuleInfo*)data;
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if (info->dlpi_name && strstr(info->dlpi_name, modInfo->name)) {
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modInfo->base = info->dlpi_addr;
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return 1; // 找到真实基址，停止遍历
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}
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return 0;
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}
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uintptr_t GetRealModuleBase(const char* module_name) {
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ModuleInfo info = {module_name, 0};
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dl_iterate_phdr(dl_iterate_callback, &info);
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// 如果系统 linker 找不到，再作为备选去查 maps (防极端情况)
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if (info.base == 0) {
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FILE* f = fopen("/proc/self/maps", "r");
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if (f) {
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char line[512];
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while (fgets(line, sizeof(line), f)) {
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if (strstr(line, module_name)) {
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uintptr_t start;
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if (sscanf(line, "%lx", &start) == 1) {
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info.base = start;
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break;
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}
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}
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}
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fclose(f);
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}
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}
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return info.base;
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}
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// ==========================================
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// Hook 目标：InitActor
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// ==========================================
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typedef void (*t_InitActorParams)(void* x0, void* x1, void* x2, void* x3, void* x4, void* x5, void* x6, void* x7);
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t_InitActorParams old_InitActorParams = nullptr;
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void hook_InitActorParams(void* x0, void* x1, void* x2, void* x3, void* x4, void* x5, void* x6, void* x7) {
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g_InitCallCount++;
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if (x0 != nullptr) g_CapturedX0.store((uintptr_t)x0);
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if (x1 != nullptr) g_CapturedX1.store((uintptr_t)x1);
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if (x2 != nullptr) g_CapturedX2.store((uintptr_t)x2);
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if (g_InitCallCount.load() % 5 == 1) { // 降低打印频率防卡死
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LOGI("[+] 拦截到实体生成! 当前捕获 x0: 0x%lx", (uintptr_t)x0);
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}
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if (old_InitActorParams) {
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old_InitActorParams(x0, x1, x2, x3, x4, x5, x6, x7);
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}
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}
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// ==========================================
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// 手动强力安装 Hook
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// ==========================================
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void InstallCoreHook() {
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if (g_IsHookInstalled) return;
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uintptr_t base = GetRealModuleBase(GAME_MODULE);
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if (!base) {
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LOGE("[-] 未找到 libil2cpp.so，游戏可能未加载完全！");
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return;
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}
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g_GameBase = base;
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g_HookAddr_InitActor = base + 0x73507bc;
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LOGI("[*] 真实基址: 0x%lx", base);
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LOGI("[*] 目标地址: 0x%lx", g_HookAddr_InitActor);
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// 1. 挂钩前读取原始机器码
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std::string bytesBefore = ReadMemoryHex(g_HookAddr_InitActor, 8);
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LOGI("[*] 挂钩前内存: %s", bytesBefore.c_str());
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// 2. 强制解锁内存页权限 (防止 Dobby 内部 mprotect 被拦截导致挂钩失败)
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void* page_start = (void*)(g_HookAddr_InitActor & ~0xFFF);
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mprotect(page_start, 0x2000, PROT_READ | PROT_WRITE | PROT_EXEC);
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// 3. 执行 Dobby Hook
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int ret = DobbyHook((void*)g_HookAddr_InitActor, (void*)hook_InitActorParams, (void**)&old_InitActorParams);
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// 4. 清理 CPU 指令缓存，强制生效
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__builtin___clear_cache((char*)g_HookAddr_InitActor, (char*)(g_HookAddr_InitActor + 16));
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// 5. 挂钩后重新读取机器码，验证是否真的写进去了
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std::string bytesAfter = ReadMemoryHex(g_HookAddr_InitActor, 8);
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LOGI("[*] 挂钩后内存: %s", bytesAfter.c_str());
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if (ret == 0) {
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if (bytesBefore == bytesAfter) {
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LOGE("[-] 致命错误：Dobby 返回成功，但内存完全没变！说明 Hook 未生效（被壳拦截）。");
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} else {
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g_IsHookInstalled = true;
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LOGI("[+] 手动安装 Hook 成功！请开始对局。");
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}
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} else {
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LOGE("[-] 挂钩失败，Dobby 错误码: %d", ret);
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}
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}
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// 触摸事件拦截
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void handle_android_event(AInputEvent* event) {
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if (AInputEvent_getType(event) == AINPUT_EVENT_TYPE_MOTION) {
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int32_t action = AMotionEvent_getAction(event) & AMOTION_EVENT_ACTION_MASK;
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float autoScaleX = g_Touch.renderW / g_Touch.physW;
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float autoScaleY = g_Touch.renderH / g_Touch.physH;
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g_Touch.x = (AMotionEvent_getX(event, 0) * autoScaleX) + g_Touch.offsetX;
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g_Touch.y = (AMotionEvent_getY(event, 0) * autoScaleY) + g_Touch.offsetY;
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if (action == AMOTION_EVENT_ACTION_DOWN) g_Touch.down.store(true);
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else if (action == AMOTION_EVENT_ACTION_UP || action == AMOTION_EVENT_ACTION_CANCEL) g_Touch.down.store(false);
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}
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}
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typedef int (*p_InputConsumer_consume)(void* instance, void* factory, bool consumeBatches, int64_t frameTime, uint32_t* outSeq, void** outEvent);
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static p_InputConsumer_consume old_consume = nullptr;
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int hook_consume(void* instance, void* factory, bool consumeBatches, int64_t frameTime, uint32_t* outSeq, void** outEvent) {
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int res = old_consume(instance, factory, consumeBatches, frameTime, outSeq, outEvent);
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if (res == 0 && outEvent && *outEvent) handle_android_event((AInputEvent*)(*outEvent));
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return res;
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}
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// eglSwapBuffers 渲染 Hook
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typedef EGLBoolean (*p_eglSwapBuffers)(EGLDisplay dpy, EGLSurface surface);
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static p_eglSwapBuffers old_eglSwapBuffers = nullptr;
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EGLBoolean hook_eglSwapBuffers(EGLDisplay dpy, EGLSurface surface) {
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EGLint w, h;
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eglQuerySurface(dpy, surface, EGL_WIDTH, &w);
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eglQuerySurface(dpy, surface, EGL_HEIGHT, &h);
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if (w <= 0 || h <= 0) return old_eglSwapBuffers(dpy, surface);
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g_Touch.renderW = (float)w;
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g_Touch.renderH = (float)h;
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if (!g_Initialized) {
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ImGui::CreateContext();
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ImGui_ImplOpenGL3_Init("#version 300 es");
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ImGuiIO& io = ImGui::GetIO();
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const char* systemFonts[] = { "/system/fonts/SysSans-Hans-Regular.ttf", "/system/fonts/NotoSansCJKjp-Regular.otc", "/system/fonts/NotoSansSC-Regular.otf", "/system/fonts/DroidSansFallback.ttf" };
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for (int i = 0; i < 4; i++) {
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if (access(systemFonts[i], R_OK) == 0) {
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io.Fonts->AddFontFromFileTTF(systemFonts[i], 32.0f, NULL, io.Fonts->GetGlyphRangesChineseSimplifiedCommon());
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g_FontLoaded = true; break;
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}
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}
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g_Initialized = true;
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}
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ImGuiIO& io = ImGui::GetIO();
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io.DisplaySize = ImVec2(g_Touch.renderW, g_Touch.renderH);
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io.MousePos = ImVec2(g_Touch.x, g_Touch.y);
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io.MouseDown[0] = g_Touch.down.load();
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ImGui_ImplOpenGL3_NewFrame();
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ImGui::NewFrame();
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ImGui::SetNextWindowPos(ImVec2(50, 50), ImGuiCond_FirstUseEver);
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ImGui::SetNextWindowSize(ImVec2(600, 500), ImGuiCond_FirstUseEver);
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if (ImGui::Begin("单钩子纯净测试版")) {
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ImGui::PushStyleColor(ImGuiCol_ChildBg, ImVec4(0.1f, 0.1f, 0.15f, 1.0f));
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ImGui::BeginChild("HookController", ImVec2(0, 70), true);
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if (!g_IsHookInstalled) {
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ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(0.8f, 0.2f, 0.2f, 1.0f));
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if (ImGui::Button("🔴 在大厅界面点击此按钮注入", ImVec2(-1, 40))) {
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InstallCoreHook();
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}
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ImGui::PopStyleColor();
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} else {
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ImGui::TextColored(ImVec4(0.0f, 1.0f, 0.0f, 1.0f), "✅ Hook 注入完成！快去进对局测试。");
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}
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ImGui::EndChild();
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ImGui::PopStyleColor();
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ImGui::Separator();
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ImGui::TextColored(ImVec4(1, 1, 0, 1), "捕获到的最新指针:");
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ImGui::Text("x0: 0x%lx", g_CapturedX0.load());
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ImGui::Text("x1: 0x%lx", g_CapturedX1.load());
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ImGui::Text("x2: 0x%lx", g_CapturedX2.load());
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ImGui::Separator();
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ImGui::TextColored(ImVec4(0, 1, 1, 1), "[库] libil2cpp.so 基址: 0x%lx", g_GameBase);
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ImGui::TextColored(ImVec4(0, 1, 1, 1), "[钩] InitActor 绝对地址: 0x%lx", g_HookAddr_InitActor);
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ImGui::Separator();
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ImGui::TextColored(g_InitCallCount > 0 ? ImVec4(0, 1, 0, 1) : ImVec4(1, 0, 0, 1),
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"> 当前成功拦截次数: %d", g_InitCallCount.load());
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ImGui::BeginChild("LogRegion", ImVec2(0, 0), true, ImGuiWindowFlags_AlwaysVerticalScrollbar);
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std::lock_guard<std::mutex> lock(g_LogMutex);
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for (const auto& log : g_AppLogs) {
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ImGui::TextUnformatted(log.c_str());
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}
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if (ImGui::GetScrollY() >= ImGui::GetScrollMaxY()) ImGui::SetScrollHereY(1.0f);
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ImGui::EndChild();
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}
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ImGui::End();
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ImGui::Render();
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GLint v[4]; glGetIntegerv(GL_VIEWPORT, v);
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GLint d; glGetIntegerv(GL_DEPTH_TEST, &d);
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glDisable(GL_DEPTH_TEST);
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glViewport(0, 0, w, h);
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ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
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glViewport(v[0], v[1], v[2], v[3]);
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if (d) glEnable(GL_DEPTH_TEST);
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return old_eglSwapBuffers(dpy, surface);
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}
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void* DelayedHookThread(void*) {
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void* egl = nullptr;
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while (!egl) { egl = DobbySymbolResolver("libEGL.so", "eglSwapBuffers"); if (!egl) sleep(1); }
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DobbyHook(egl, (void*)hook_eglSwapBuffers, (void**)&old_eglSwapBuffers);
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void* ins = nullptr;
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while (!ins) { ins = DobbySymbolResolver("libinput.so", "_ZN7android13InputConsumer7consumeEPNS_26InputEventFactoryInterfaceEblPjPPNS_10InputEventE"); if (!ins) sleep(1); }
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DobbyHook(ins, (void*)hook_consume, (void**)&old_consume);
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return nullptr;
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}
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__attribute__((constructor)) void init_plugin() {
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pthread_t t;
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pthread_create(&t, nullptr, DelayedHookThread, nullptr);
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}
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