Files
Zygisk-MyInjector/module/src/main/cpp/main.cpp
2025-06-26 19:59:33 +08:00

107 lines
3.2 KiB
C++

#include <cstring>
#include <thread>
#include <fcntl.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <cinttypes>
#include <dirent.h>
#include <errno.h>
#include <time.h>
#include "hack.h"
#include "zygisk.hpp"
#include "game.h"
#include "log.h"
#include "dlfcn.h"
#include "config.h"
using zygisk::Api;
using zygisk::AppSpecializeArgs;
using zygisk::ServerSpecializeArgs;
class MyModule : public zygisk::ModuleBase {
public:
void onLoad(Api *api, JNIEnv *env) override {
this->api = api;
this->env = env;
enable_hack = false;
}
void preAppSpecialize(AppSpecializeArgs *args) override {
auto package_name = env->GetStringUTFChars(args->nice_name, nullptr);
auto app_data_dir = env->GetStringUTFChars(args->app_data_dir, nullptr);
// if (strcmp(package_name, AimPackageName) == 0){
// args->runtime_flags=8451;
// }
LOGI("preAppSpecialize %s %s %d", package_name, app_data_dir,args->runtime_flags);
preSpecialize(package_name, app_data_dir);
env->ReleaseStringUTFChars(args->nice_name, package_name);
env->ReleaseStringUTFChars(args->app_data_dir, app_data_dir);
}
void postAppSpecialize(const AppSpecializeArgs *) override {
if (enable_hack) {
// Get JavaVM
JavaVM *vm = nullptr;
if (env->GetJavaVM(&vm) == JNI_OK) {
// Then start hack thread with JavaVM
std::thread hack_thread(hack_prepare, _data_dir, _package_name, data, length, vm);
hack_thread.detach();
} else {
LOGE("Failed to get JavaVM");
}
}
}
private:
Api *api;
JNIEnv *env;
bool enable_hack;
char *_data_dir;
char *_package_name;
void *data;
size_t length;
void preSpecialize(const char *package_name, const char *app_data_dir) {
// Read configuration
Config::readConfig();
// Check if this app is enabled for injection
if (Config::isAppEnabled(package_name)) {
LOGI("成功注入目标进程: %s", package_name);
enable_hack = true;
_data_dir = new char[strlen(app_data_dir) + 1];
strcpy(_data_dir, app_data_dir);
_package_name = new char[strlen(package_name) + 1];
strcpy(_package_name, package_name);
// ConfigApp is responsible for copying SO files
// We just need to load them
#if defined(__i386__)
auto path = "zygisk/armeabi-v7a.so";
#endif
#if defined(__x86_64__)
auto path = "zygisk/arm64-v8a.so";
#endif
#if defined(__i386__) || defined(__x86_64__)
int dirfd = api->getModuleDir();
int fd = openat(dirfd, path, O_RDONLY);
if (fd != -1) {
struct stat sb{};
fstat(fd, &sb);
length = sb.st_size;
data = mmap(nullptr, length, PROT_READ, MAP_PRIVATE, fd, 0);
close(fd);
} else {
LOGW("Unable to open arm file");
}
#endif
} else {
api->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);
}
}
};
REGISTER_ZYGISK_MODULE(MyModule)