Files
Zygisk-MyInjector/module/src/main/cpp/config.cpp
2025-06-27 16:15:38 +08:00

268 lines
11 KiB
C++

#include "config.h"
#include <fstream>
#include <sstream>
#include <android/log.h>
#define LOG_TAG "MyInjector"
#define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)
#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)
namespace Config {
static ModuleConfig g_config;
static bool g_configLoaded = false;
// Simple JSON parser for our specific format
std::string extractValue(const std::string& json, const std::string& key) {
size_t keyPos = json.find("\"" + key + "\"");
if (keyPos == std::string::npos) return "";
size_t colonPos = json.find(":", keyPos);
if (colonPos == std::string::npos) return "";
size_t valueStart = json.find_first_not_of(" \t\n", colonPos + 1);
if (valueStart == std::string::npos) return "";
if (json[valueStart] == '"') {
// String value
size_t valueEnd = json.find('"', valueStart + 1);
if (valueEnd == std::string::npos) return "";
return json.substr(valueStart + 1, valueEnd - valueStart - 1);
} else if (json[valueStart] == 't' || json[valueStart] == 'f') {
// Boolean value
return (json.substr(valueStart, 4) == "true") ? "true" : "false";
} else {
// Number value
size_t valueEnd = json.find_first_of(",} \t\n", valueStart);
if (valueEnd == std::string::npos) {
return json.substr(valueStart);
}
return json.substr(valueStart, valueEnd - valueStart);
}
return "";
}
void parseAppConfig(const std::string& packageName, const std::string& appJson) {
AppConfig appConfig;
// Parse enabled
std::string enabledStr = extractValue(appJson, "enabled");
appConfig.enabled = (enabledStr == "true");
// Parse injection method
std::string methodStr = extractValue(appJson, "injectionMethod");
if (methodStr == "2" || methodStr == "custom_linker") {
appConfig.injectionMethod = InjectionMethod::CUSTOM_LINKER;
} else if (methodStr == "1" || methodStr == "riru") {
appConfig.injectionMethod = InjectionMethod::RIRU;
} else {
appConfig.injectionMethod = InjectionMethod::STANDARD;
}
// Parse soFiles array
size_t soFilesPos = appJson.find("\"soFiles\"");
if (soFilesPos != std::string::npos) {
size_t arrayStart = appJson.find("[", soFilesPos);
size_t arrayEnd = appJson.find("]", arrayStart);
if (arrayStart != std::string::npos && arrayEnd != std::string::npos) {
std::string soFilesArray = appJson.substr(arrayStart + 1, arrayEnd - arrayStart - 1);
// Parse each SO file object
size_t objStart = 0;
while ((objStart = soFilesArray.find("{", objStart)) != std::string::npos) {
size_t objEnd = soFilesArray.find("}", objStart);
if (objEnd == std::string::npos) break;
std::string soFileObj = soFilesArray.substr(objStart, objEnd - objStart + 1);
SoFile soFile;
soFile.name = extractValue(soFileObj, "name");
soFile.storedPath = extractValue(soFileObj, "storedPath");
soFile.originalPath = extractValue(soFileObj, "originalPath");
if (!soFile.storedPath.empty()) {
appConfig.soFiles.push_back(soFile);
LOGD("Added SO file: %s at %s", soFile.name.c_str(), soFile.storedPath.c_str());
}
objStart = objEnd + 1;
}
}
}
// Parse gadgetConfig if exists
size_t gadgetPos = appJson.find("\"gadgetConfig\"");
if (gadgetPos != std::string::npos) {
size_t gadgetObjStart = appJson.find("{", gadgetPos);
size_t gadgetObjEnd = appJson.find("}", gadgetObjStart);
if (gadgetObjStart != std::string::npos && gadgetObjEnd != std::string::npos) {
std::string gadgetObj = appJson.substr(gadgetObjStart, gadgetObjEnd - gadgetObjStart + 1);
GadgetConfig* gadgetConfig = new GadgetConfig();
std::string address = extractValue(gadgetObj, "address");
if (!address.empty()) gadgetConfig->address = address;
std::string portStr = extractValue(gadgetObj, "port");
if (!portStr.empty()) gadgetConfig->port = std::stoi(portStr);
std::string onPortConflict = extractValue(gadgetObj, "onPortConflict");
if (!onPortConflict.empty()) gadgetConfig->onPortConflict = onPortConflict;
std::string onLoad = extractValue(gadgetObj, "onLoad");
if (!onLoad.empty()) gadgetConfig->onLoad = onLoad;
std::string gadgetName = extractValue(gadgetObj, "gadgetName");
if (!gadgetName.empty()) gadgetConfig->gadgetName = gadgetName;
appConfig.gadgetConfig = gadgetConfig;
LOGD("Loaded gadget config: %s:%d, name: %s",
gadgetConfig->address.c_str(), gadgetConfig->port, gadgetConfig->gadgetName.c_str());
}
}
g_config.perAppConfig[packageName] = appConfig;
const char* methodName = appConfig.injectionMethod == InjectionMethod::CUSTOM_LINKER ? "custom_linker" :
appConfig.injectionMethod == InjectionMethod::RIRU ? "riru" : "standard";
LOGD("Loaded config for app: %s, enabled: %d, method: %s, SO files: %zu, gadget: %s",
packageName.c_str(), appConfig.enabled, methodName, appConfig.soFiles.size(),
appConfig.gadgetConfig ? "yes" : "no");
}
ModuleConfig readConfig() {
if (g_configLoaded) {
return g_config;
}
const char* configPath = "/data/adb/modules/zygisk-myinjector/config.json";
std::ifstream file(configPath);
if (!file.is_open()) {
LOGE("Failed to open config file: %s", configPath);
g_configLoaded = true;
return g_config;
}
std::stringstream buffer;
buffer << file.rdbuf();
std::string json = buffer.str();
file.close();
// Parse global settings
std::string enabledStr = extractValue(json, "enabled");
g_config.enabled = (enabledStr != "false");
std::string hideStr = extractValue(json, "hideInjection");
g_config.hideInjection = (hideStr == "true");
std::string delayStr = extractValue(json, "injectionDelay");
if (!delayStr.empty()) {
g_config.injectionDelay = std::stoi(delayStr);
}
LOGD("Module enabled: %d, hide injection: %d, injection delay: %d",
g_config.enabled, g_config.hideInjection, g_config.injectionDelay);
// Parse perAppConfig
size_t perAppPos = json.find("\"perAppConfig\"");
if (perAppPos != std::string::npos) {
size_t objStart = json.find("{", perAppPos + 14);
size_t objEnd = json.rfind("}");
if (objStart != std::string::npos && objEnd != std::string::npos) {
std::string perAppObj = json.substr(objStart + 1, objEnd - objStart - 1);
// Find each package config
size_t pos = 0;
while (pos < perAppObj.length()) {
// Find package name
size_t pkgStart = perAppObj.find("\"", pos);
if (pkgStart == std::string::npos) break;
size_t pkgEnd = perAppObj.find("\"", pkgStart + 1);
if (pkgEnd == std::string::npos) break;
std::string packageName = perAppObj.substr(pkgStart + 1, pkgEnd - pkgStart - 1);
// Find app config object
size_t appObjStart = perAppObj.find("{", pkgEnd);
if (appObjStart == std::string::npos) break;
// Find matching closing brace
int braceCount = 1;
size_t appObjEnd = appObjStart + 1;
while (appObjEnd < perAppObj.length() && braceCount > 0) {
if (perAppObj[appObjEnd] == '{') braceCount++;
else if (perAppObj[appObjEnd] == '}') braceCount--;
appObjEnd++;
}
if (braceCount == 0) {
std::string appConfigStr = perAppObj.substr(appObjStart, appObjEnd - appObjStart);
parseAppConfig(packageName, appConfigStr);
}
pos = appObjEnd;
}
}
}
g_configLoaded = true;
return g_config;
}
bool isAppEnabled(const std::string& packageName) {
if (!g_configLoaded) {
readConfig();
}
auto it = g_config.perAppConfig.find(packageName);
if (it != g_config.perAppConfig.end()) {
return it->second.enabled;
}
return false;
}
std::vector<SoFile> getAppSoFiles(const std::string& packageName) {
if (!g_configLoaded) {
readConfig();
}
auto it = g_config.perAppConfig.find(packageName);
if (it != g_config.perAppConfig.end()) {
LOGD("Found app config for %s with %zu SO files", packageName.c_str(), it->second.soFiles.size());
return it->second.soFiles;
}
LOGD("No app config found for %s", packageName.c_str());
return {};
}
bool shouldHideInjection() {
if (!g_configLoaded) {
readConfig();
}
return g_config.hideInjection;
}
InjectionMethod getAppInjectionMethod(const std::string& packageName) {
if (!g_configLoaded) {
readConfig();
}
auto it = g_config.perAppConfig.find(packageName);
if (it != g_config.perAppConfig.end()) {
return it->second.injectionMethod;
}
return InjectionMethod::STANDARD;
}
int getInjectionDelay() {
if (!g_configLoaded) {
readConfig();
}
return g_config.injectionDelay;
}
}