Merge branch 'main' of https://github.com/qqlittleice233/SimplicityTools into qqlittleice233-main

app/src/main/cpp/CMakeLists.txt

@@ -0,0 +1,25 @@
+cmake_minimum_required(VERSION 3.18.1)
+
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_C_STANDARD 11)
+
+add_subdirectory(dex_builder)
+
+add_library(
+        DexBuilder
+        SHARED
+        native.cpp
+        biliroaming.cc
+        )
+target_include_directories(DexBuilder PUBLIC dex_builder/include)
+
+find_library(
+        log-lib
+        log)
+
+target_link_libraries(
+        DexBuilder
+        ${log-lib}
+        dex_builder_static
+        )

app/src/main/cpp/biliroaming.cc

@@ -0,0 +1,669 @@
+#include <android/log.h>
+#include <dex_helper.h>
+#include <jni.h>
+
+#define LOG_TAG "QAuxv"
+#define LOGV(...) __android_log_print(ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__)
+#define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)
+#define LOGI(...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)
+#define LOGW(...) __android_log_print(ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__)
+#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)
+#define LOGF(...) __android_log_print(ANDROID_LOG_FATAL, LOG_TAG, __VA_ARGS__)
+#define PLOGE(fmt, args...)                                                    \
+  LOGE(fmt " failed with %d: %s", ##args, errno, strerror(errno))
+
+namespace {
+jfieldID token_field;
+jfieldID class_loader_field;
+jmethodID load_class_method;
+// jmethodID get_declared_method;
+// jmethodID get_declared_field;
+jmethodID get_name_method;
+jmethodID get_declaring_class_method;
+jmethodID get_parameters_method;
+jmethodID get_class_name_method;
+jfieldID path_list_field;
+jfieldID element_field;
+jfieldID dex_file_field;
+jfieldID cookie_field;
+
+jclass LoadClass(JNIEnv *env, jobject class_loader,
+                 std::string_view descriptor) {
+    if (descriptor.empty())
+        return nullptr;
+    if (descriptor[0] != 'L')
+        return nullptr;
+    std::string name(descriptor.substr(1, descriptor.length() - 2));
+    std::replace(name.begin(), name.end(), '/', '.');
+    auto java_name = env->NewStringUTF(name.data());
+    auto res = (jclass)env->CallObjectMethod(class_loader, load_class_method,
+                                             java_name, false);
+    return res;
+}
+
+std::string GetClassDescriptor(JNIEnv *env, jclass clazz) {
+    auto java_name = (jstring)env->CallObjectMethod(clazz, get_class_name_method);
+    auto name = env->GetStringUTFChars(java_name, nullptr);
+    std::string descriptor = name;
+    std::replace(descriptor.begin(), descriptor.end(), '.', '/');
+    if (descriptor[0] != '[') {
+        if (descriptor == "boolean") {
+            descriptor = "Z";
+        } else if (descriptor == "byte") {
+            descriptor = "B";
+        } else if (descriptor == "short") {
+            descriptor = "S";
+        } else if (descriptor == "char") {
+            descriptor = "C";
+        } else if (descriptor == "int") {
+            descriptor = "I";
+        } else if (descriptor == "long") {
+            descriptor = "J";
+        } else if (descriptor == "float") {
+            descriptor = "F";
+        } else if (descriptor == "double") {
+            descriptor = "D";
+        }
+        descriptor = "L" + std::string(name) + ";";
+    }
+    env->ReleaseStringUTFChars(java_name, name);
+    return descriptor;
+}
+} // namespace
+
+struct MyDexFile {
+  const void *begin_{};
+  size_t size_{};
+  const uint8_t *const data_begin_{};
+  const size_t data_size_{};
+
+  virtual ~MyDexFile() = default;
+};
+
+extern "C" JNIEXPORT jlongArray JNICALL
+Java_me_iacn_biliroaming_utils_DexHelper_findMethodUsingString(
+        JNIEnv *env, jobject thiz, jstring str, jboolean match_prefix,
+        jlong return_type, jshort parameter_count, jstring parameter_shorty,
+        jlong declaring_class, jlongArray parameter_types,
+        jlongArray contains_parameter_types, jintArray dex_priority,
+        jboolean find_first) {
+    auto *helper =
+            reinterpret_cast<DexHelper *>(env->GetLongField(thiz, token_field));
+    if (!helper)
+        return nullptr;
+    if (!str)
+        return nullptr;
+    auto str_ = env->GetStringUTFChars(str, nullptr);
+    auto parameter_shorty_ =
+            parameter_shorty ? env->GetStringUTFChars(parameter_shorty, nullptr)
+                             : nullptr;
+    std::vector<size_t> dex_priority_;
+    jint *dex_priority_elements = nullptr;
+    if (dex_priority) {
+        dex_priority_elements = env->GetIntArrayElements(dex_priority, nullptr);
+        dex_priority_.assign(dex_priority_elements,
+                             dex_priority_elements +
+                                     env->GetArrayLength(dex_priority));
+    }
+
+    std::vector<size_t> parameter_types_;
+    jlong *parameter_types_elements = nullptr;
+    if (parameter_types) {
+        parameter_types_elements =
+                env->GetLongArrayElements(parameter_types, nullptr);
+        parameter_types_.assign(parameter_types_elements,
+                                parameter_types_elements +
+                                        env->GetArrayLength(parameter_types));
+    }
+
+    std::vector<size_t> contains_parameter_types_;
+    jlong *contains_parameter_types_elements = nullptr;
+    if (contains_parameter_types) {
+        contains_parameter_types_elements =
+                env->GetLongArrayElements(contains_parameter_types, nullptr);
+        contains_parameter_types_.assign(
+                contains_parameter_types_elements,
+                contains_parameter_types_elements +
+                        env->GetArrayLength(contains_parameter_types));
+    }
+
+    auto out = helper->FindMethodUsingString(
+            str_, match_prefix, return_type, parameter_count, parameter_shorty_ ? parameter_shorty_ : "",
+            declaring_class, contains_parameter_types_, contains_parameter_types_,
+            dex_priority_, find_first);
+
+    env->ReleaseStringUTFChars(str, str_);
+    if (parameter_shorty_)
+        env->ReleaseStringUTFChars(parameter_shorty, parameter_shorty_);
+    if (dex_priority_elements)
+        env->ReleaseIntArrayElements(dex_priority, dex_priority_elements,
+                                     JNI_ABORT);
+    if (parameter_types_elements)
+        env->ReleaseLongArrayElements(parameter_types, parameter_types_elements,
+                                      JNI_ABORT);
+    if (contains_parameter_types_elements)
+        env->ReleaseLongArrayElements(contains_parameter_types,
+                                      contains_parameter_types_elements, JNI_ABORT);
+    auto res = env->NewLongArray(static_cast<int>(out.size()));
+    auto res_element = env->GetLongArrayElements(res, nullptr);
+    for (size_t i = 0; i < out.size(); ++i) {
+        res_element[i] = out[i];
+    }
+    env->ReleaseLongArrayElements(res, res_element, 0);
+    return res;
+}
+
+extern "C" JNIEXPORT jlong JNICALL
+Java_me_iacn_biliroaming_utils_DexHelper_load(JNIEnv *env, jobject thiz,
+                                              jobject class_loader) {
+    if (!class_loader)
+        return 0;
+    auto path_list = env->GetObjectField(class_loader, path_list_field);
+    if (!path_list)
+        return 0;
+    auto elements = (jobjectArray)env->GetObjectField(path_list, element_field);
+    if (!elements)
+        return 0;
+    std::vector<std::tuple<const void *, size_t, const void *, size_t>> images;
+    for (auto i = 0, len = env->GetArrayLength(elements); i < len; ++i) {
+        auto element = env->GetObjectArrayElement(elements, i);
+        if (!element) continue;
+        auto java_dex_file = env->GetObjectField(element, dex_file_field);
+        if (!java_dex_file) continue;
+        auto cookie = (jlongArray)env->GetObjectField(java_dex_file, cookie_field);
+        if (!cookie) continue;
+        auto dex_file_length = env->GetArrayLength(cookie);
+        const auto *dex_files = reinterpret_cast<const MyDexFile **>(
+                env->GetLongArrayElements(cookie, nullptr));
+        while (dex_file_length-- > 1) {
+            const auto *dex_file = dex_files[dex_file_length];
+            if (!dex_file) {
+                LOGE("dex_file is nullptr at %d", dex_file_length);
+                continue;
+            }
+            LOGD("Got dex file %d", dex_file_length);
+            if (dex::Reader::IsCompact(dex_file->begin_)) {
+                images.emplace_back(dex_file->begin_, dex_file->size_, dex_file->data_begin_, dex_file->data_size_);
+            } else {
+                images.emplace_back(dex_file->begin_, dex_file->size_, nullptr, 0);
+            }
+        }
+    }
+    if (images.empty()) return 0;
+    auto res = reinterpret_cast<jlong>(new DexHelper(images));
+    env->SetLongField(thiz, token_field, res);
+    return res;
+}
+
+extern "C" JNIEXPORT jlongArray JNICALL
+Java_me_iacn_biliroaming_utils_DexHelper_findMethodInvoking(
+        JNIEnv *env, jobject thiz, jlong method_index, jlong return_type,
+        jshort parameter_count, jstring parameter_shorty, jlong declaring_class,
+        jlongArray parameter_types, jlongArray contains_parameter_types,
+        jintArray dex_priority, jboolean find_first) {
+    auto *helper =
+            reinterpret_cast<DexHelper *>(env->GetLongField(thiz, token_field));
+    if (!helper)
+        return nullptr;
+    auto parameter_shorty_ =
+            parameter_shorty ? env->GetStringUTFChars(parameter_shorty, nullptr)
+                             : nullptr;
+    std::vector<size_t> dex_priority_;
+    jint *dex_priority_elements = nullptr;
+    if (dex_priority) {
+        dex_priority_elements = env->GetIntArrayElements(dex_priority, nullptr);
+        dex_priority_.assign(dex_priority_elements,
+                             dex_priority_elements +
+                                     env->GetArrayLength(dex_priority));
+    }
+
+    std::vector<size_t> parameter_types_;
+    jlong *parameter_types_elements = nullptr;
+    if (parameter_types) {
+        parameter_types_elements =
+                env->GetLongArrayElements(parameter_types, nullptr);
+        parameter_types_.assign(parameter_types_elements,
+                                parameter_types_elements +
+                                        env->GetArrayLength(parameter_types));
+    }
+
+    std::vector<size_t> contains_parameter_types_;
+    jlong *contains_parameter_types_elements = nullptr;
+    if (contains_parameter_types) {
+        contains_parameter_types_elements =
+                env->GetLongArrayElements(contains_parameter_types, nullptr);
+        contains_parameter_types_.assign(
+                contains_parameter_types_elements,
+                contains_parameter_types_elements +
+                        env->GetArrayLength(contains_parameter_types));
+    }
+
+    auto out = helper->FindMethodInvoking(
+            method_index, return_type, parameter_count, parameter_shorty_ ? parameter_shorty_ : "",
+            declaring_class, contains_parameter_types_, contains_parameter_types_,
+            dex_priority_, find_first);
+
+    if (parameter_shorty_)
+        env->ReleaseStringUTFChars(parameter_shorty, parameter_shorty_);
+    if (dex_priority_elements)
+        env->ReleaseIntArrayElements(dex_priority, dex_priority_elements,
+                                     JNI_ABORT);
+    if (parameter_types_elements)
+        env->ReleaseLongArrayElements(parameter_types, parameter_types_elements,
+                                      JNI_ABORT);
+    if (contains_parameter_types_elements)
+        env->ReleaseLongArrayElements(contains_parameter_types,
+                                      contains_parameter_types_elements, JNI_ABORT);
+    auto res = env->NewLongArray(static_cast<int>(out.size()));
+    auto res_element = env->GetLongArrayElements(res, nullptr);
+    for (size_t i = 0; i < out.size(); ++i) {
+        res_element[i] = out[i];
+    }
+    env->ReleaseLongArrayElements(res, res_element, 0);
+    return res;
+}
+extern "C" JNIEXPORT jlongArray JNICALL
+Java_me_iacn_biliroaming_utils_DexHelper_findMethodInvoked(
+        JNIEnv *env, jobject thiz, jlong method_index, jlong return_type,
+        jshort parameter_count, jstring parameter_shorty, jlong declaring_class,
+        jlongArray parameter_types, jlongArray contains_parameter_types,
+        jintArray dex_priority, jboolean find_first) {
+    auto *helper =
+            reinterpret_cast<DexHelper *>(env->GetLongField(thiz, token_field));
+    if (!helper)
+        return nullptr;
+    auto parameter_shorty_ =
+            parameter_shorty ? env->GetStringUTFChars(parameter_shorty, nullptr)
+                             : nullptr;
+    std::vector<size_t> dex_priority_;
+    jint *dex_priority_elements = nullptr;
+    if (dex_priority) {
+        dex_priority_elements = env->GetIntArrayElements(dex_priority, nullptr);
+        dex_priority_.assign(dex_priority_elements,
+                             dex_priority_elements +
+                                     env->GetArrayLength(dex_priority));
+    }
+
+    std::vector<size_t> parameter_types_;
+    jlong *parameter_types_elements = nullptr;
+    if (parameter_types) {
+        parameter_types_elements =
+                env->GetLongArrayElements(parameter_types, nullptr);
+        parameter_types_.assign(parameter_types_elements,
+                                parameter_types_elements +
+                                        env->GetArrayLength(parameter_types));
+    }
+
+    std::vector<size_t> contains_parameter_types_;
+    jlong *contains_parameter_types_elements = nullptr;
+    if (contains_parameter_types) {
+        contains_parameter_types_elements =
+                env->GetLongArrayElements(contains_parameter_types, nullptr);
+        contains_parameter_types_.assign(
+                contains_parameter_types_elements,
+                contains_parameter_types_elements +
+                        env->GetArrayLength(contains_parameter_types));
+    }
+
+    auto out = helper->FindMethodInvoked(
+            method_index, return_type, parameter_count, parameter_shorty_ ? parameter_shorty_ : "",
+            declaring_class, contains_parameter_types_, contains_parameter_types_,
+            dex_priority_, find_first);
+
+    if (parameter_shorty_)
+        env->ReleaseStringUTFChars(parameter_shorty, parameter_shorty_);
+    if (dex_priority_elements)
+        env->ReleaseIntArrayElements(dex_priority, dex_priority_elements,
+                                     JNI_ABORT);
+    if (parameter_types_elements)
+        env->ReleaseLongArrayElements(parameter_types, parameter_types_elements,
+                                      JNI_ABORT);
+    if (contains_parameter_types_elements)
+        env->ReleaseLongArrayElements(contains_parameter_types,
+                                      contains_parameter_types_elements, JNI_ABORT);
+    auto res = env->NewLongArray(static_cast<int>(out.size()));
+    auto res_element = env->GetLongArrayElements(res, nullptr);
+    for (size_t i = 0; i < out.size(); ++i) {
+        res_element[i] = out[i];
+    }
+    env->ReleaseLongArrayElements(res, res_element, 0);
+    return res;
+}
+extern "C" JNIEXPORT jlongArray JNICALL
+Java_me_iacn_biliroaming_utils_DexHelper_findMethodSettingField(
+        JNIEnv *env, jobject thiz, jlong field_index, jlong return_type,
+        jshort parameter_count, jstring parameter_shorty, jlong declaring_class,
+        jlongArray parameter_types, jlongArray contains_parameter_types,
+        jintArray dex_priority, jboolean find_first) {
+    auto *helper =
+            reinterpret_cast<DexHelper *>(env->GetLongField(thiz, token_field));
+    if (!helper)
+        return nullptr;
+    auto parameter_shorty_ =
+            parameter_shorty ? env->GetStringUTFChars(parameter_shorty, nullptr)
+                             : nullptr;
+    std::vector<size_t> dex_priority_;
+    jint *dex_priority_elements = nullptr;
+    if (dex_priority) {
+        dex_priority_elements = env->GetIntArrayElements(dex_priority, nullptr);
+        dex_priority_.assign(dex_priority_elements,
+                             dex_priority_elements +
+                                     env->GetArrayLength(dex_priority));
+    }
+
+    std::vector<size_t> parameter_types_;
+    jlong *parameter_types_elements = nullptr;
+    if (parameter_types) {
+        parameter_types_elements =
+                env->GetLongArrayElements(parameter_types, nullptr);
+        parameter_types_.assign(parameter_types_elements,
+                                parameter_types_elements +
+                                        env->GetArrayLength(parameter_types));
+    }
+
+    std::vector<size_t> contains_parameter_types_;
+    jlong *contains_parameter_types_elements = nullptr;
+    if (contains_parameter_types) {
+        contains_parameter_types_elements =
+                env->GetLongArrayElements(contains_parameter_types, nullptr);
+        contains_parameter_types_.assign(
+                contains_parameter_types_elements,
+                contains_parameter_types_elements +
+                        env->GetArrayLength(contains_parameter_types));
+    }
+
+    auto out = helper->FindMethodSettingField(
+            field_index, return_type, parameter_count, parameter_shorty_ ? parameter_shorty_ : "",
+            declaring_class, contains_parameter_types_, contains_parameter_types_,
+            dex_priority_, find_first);
+
+    if (parameter_shorty_)
+        env->ReleaseStringUTFChars(parameter_shorty, parameter_shorty_);
+    if (dex_priority_elements)
+        env->ReleaseIntArrayElements(dex_priority, dex_priority_elements,
+                                     JNI_ABORT);
+    if (parameter_types_elements)
+        env->ReleaseLongArrayElements(parameter_types, parameter_types_elements,
+                                      JNI_ABORT);
+    if (contains_parameter_types_elements)
+        env->ReleaseLongArrayElements(contains_parameter_types,
+                                      contains_parameter_types_elements, JNI_ABORT);
+    auto res = env->NewLongArray(static_cast<int>(out.size()));
+    auto res_element = env->GetLongArrayElements(res, nullptr);
+    for (size_t i = 0; i < out.size(); ++i) {
+        res_element[i] = out[i];
+    }
+    env->ReleaseLongArrayElements(res, res_element, 0);
+    return res;
+}
+extern "C" JNIEXPORT jlongArray JNICALL
+Java_me_iacn_biliroaming_utils_DexHelper_findMethodGettingField(
+        JNIEnv *env, jobject thiz, jlong field_index, jlong return_type,
+        jshort parameter_count, jstring parameter_shorty, jlong declaring_class,
+        jlongArray parameter_types, jlongArray contains_parameter_types,
+        jintArray dex_priority, jboolean find_first) {
+    auto *helper =
+            reinterpret_cast<DexHelper *>(env->GetLongField(thiz, token_field));
+    if (!helper)
+        return nullptr;
+    auto parameter_shorty_ =
+            parameter_shorty ? env->GetStringUTFChars(parameter_shorty, nullptr)
+                             : nullptr;
+    std::vector<size_t> dex_priority_;
+    jint *dex_priority_elements = nullptr;
+    if (dex_priority) {
+        dex_priority_elements = env->GetIntArrayElements(dex_priority, nullptr);
+        dex_priority_.assign(dex_priority_elements,
+                             dex_priority_elements +
+                                     env->GetArrayLength(dex_priority));
+    }
+
+    std::vector<size_t> parameter_types_;
+    jlong *parameter_types_elements = nullptr;
+    if (parameter_types) {
+        parameter_types_elements =
+                env->GetLongArrayElements(parameter_types, nullptr);
+        parameter_types_.assign(parameter_types_elements,
+                                parameter_types_elements +
+                                        env->GetArrayLength(parameter_types));
+    }
+
+    std::vector<size_t> contains_parameter_types_;
+    jlong *contains_parameter_types_elements = nullptr;
+    if (contains_parameter_types) {
+        contains_parameter_types_elements =
+                env->GetLongArrayElements(contains_parameter_types, nullptr);
+        contains_parameter_types_.assign(
+                contains_parameter_types_elements,
+                contains_parameter_types_elements +
+                        env->GetArrayLength(contains_parameter_types));
+    }
+
+    auto out = helper->FindMethodGettingField(
+            field_index, return_type, parameter_count, parameter_shorty_ ? parameter_shorty_ : "",
+            declaring_class, contains_parameter_types_, contains_parameter_types_,
+            dex_priority_, find_first);
+
+    if (parameter_shorty_)
+        env->ReleaseStringUTFChars(parameter_shorty, parameter_shorty_);
+    if (dex_priority_elements)
+        env->ReleaseIntArrayElements(dex_priority, dex_priority_elements,
+                                     JNI_ABORT);
+    if (parameter_types_elements)
+        env->ReleaseLongArrayElements(parameter_types, parameter_types_elements,
+                                      JNI_ABORT);
+    if (contains_parameter_types_elements)
+        env->ReleaseLongArrayElements(contains_parameter_types,
+                                      contains_parameter_types_elements, JNI_ABORT);
+    auto res = env->NewLongArray(static_cast<int>(out.size()));
+    auto res_element = env->GetLongArrayElements(res, nullptr);
+    for (size_t i = 0; i < out.size(); ++i) {
+        res_element[i] = out[i];
+    }
+    env->ReleaseLongArrayElements(res, res_element, 0);
+    return res;
+}
+extern "C" JNIEXPORT jlongArray JNICALL
+Java_me_iacn_biliroaming_utils_DexHelper_findField(JNIEnv *env, jobject thiz,
+                                                   jlong type,
+                                                   jintArray dex_priority,
+                                                   jboolean find_first) {
+    auto *helper =
+            reinterpret_cast<DexHelper *>(env->GetLongField(thiz, token_field));
+    std::vector<size_t> dex_priority_;
+    jint *dex_priority_elements = nullptr;
+    if (dex_priority) {
+        dex_priority_elements = env->GetIntArrayElements(dex_priority, nullptr);
+        dex_priority_.assign(dex_priority_elements,
+                             dex_priority_elements +
+                                     env->GetArrayLength(dex_priority));
+    }
+
+    auto out = helper->FindField(type, dex_priority_, find_first);
+
+    if (dex_priority_elements)
+        env->ReleaseIntArrayElements(dex_priority, dex_priority_elements,
+                                     JNI_ABORT);
+
+    auto res = env->NewLongArray(static_cast<int>(out.size()));
+    auto res_element = env->GetLongArrayElements(res, nullptr);
+    for (size_t i = 0; i < out.size(); ++i) {
+        res_element[i] = out[i];
+    }
+    env->ReleaseLongArrayElements(res, res_element, 0);
+    return res;
+}
+
+extern "C" JNIEXPORT jobject JNICALL
+Java_me_iacn_biliroaming_utils_DexHelper_decodeMethodIndex(JNIEnv *env,
+                                                           jobject thiz,
+                                                           jlong method_index) {
+    auto *helper =
+            reinterpret_cast<DexHelper *>(env->GetLongField(thiz, token_field));
+    if (!helper)
+        return nullptr;
+    auto out = helper->DecodeMethod(method_index);
+    auto cl = env->GetObjectField(thiz, class_loader_field);
+    auto clazz = LoadClass(env, cl, out.declaring_class.name);
+    env->DeleteLocalRef(cl);
+    std::string sig;
+    sig.reserve(4096);
+    sig += "(";
+    for (const auto &param : out.parameters) {
+        sig += param.name;
+    }
+    sig += ")";
+    sig += out.return_type.name;
+    auto *method = env->GetMethodID(clazz, out.name.data(), sig.data());
+    if ((*env).ExceptionCheck()) {
+        (*env).ExceptionClear();
+    }
+    if (!method) {
+        method = env->GetStaticMethodID(clazz, out.name.data(), sig.data());
+    }
+    return env->ToReflectedMethod(clazz, method, false);
+}
+
+extern "C" JNIEXPORT jobject JNICALL
+Java_me_iacn_biliroaming_utils_DexHelper_decodeFieldIndex(JNIEnv *env,
+                                                          jobject thiz,
+                                                          jlong field_index) {
+    auto *helper =
+            reinterpret_cast<DexHelper *>(env->GetLongField(thiz, token_field));
+    if (!helper)
+        return nullptr;
+    auto out = helper->DecodeField(field_index);
+    auto cl = env->GetObjectField(thiz, class_loader_field);
+    auto clazz = LoadClass(env, cl, out.declaring_class.name);
+    env->DeleteLocalRef(cl);
+    return env->ToReflectedField(
+            clazz, env->GetFieldID(clazz, out.name.data(), out.type.name.data()),
+            false);
+}
+
+extern "C" JNIEXPORT jlong JNICALL
+Java_me_iacn_biliroaming_utils_DexHelper_encodeClassIndex(JNIEnv *env,
+                                                          jobject thiz,
+                                                          jclass clazz) {
+    auto *helper =
+            reinterpret_cast<DexHelper *>(env->GetLongField(thiz, token_field));
+    return helper->CreateClassIndex(GetClassDescriptor(env, clazz));
+}
+
+extern "C" JNIEXPORT jlong JNICALL
+Java_me_iacn_biliroaming_utils_DexHelper_encodeFieldIndex(JNIEnv *env,
+                                                          jobject thiz,
+                                                          jobject field) {
+    auto *helper =
+            reinterpret_cast<DexHelper *>(env->GetLongField(thiz, token_field));
+    if (!helper)
+        return -1;
+    auto java_name = (jstring)env->CallObjectMethod(field, get_name_method);
+    auto clazz = (jclass)env->CallObjectMethod(field, get_declaring_class_method);
+    auto name = env->GetStringUTFChars(java_name, nullptr);
+    auto res = helper->CreateFieldIndex(name, GetClassDescriptor(env, clazz));
+    env->ReleaseStringUTFChars(java_name, name);
+    return res;
+}
+
+extern "C" JNIEXPORT jlong JNICALL
+Java_me_iacn_biliroaming_utils_DexHelper_encodeMethodIndex(JNIEnv *env,
+                                                           jobject thiz,
+                                                           jobject method) {
+    auto *helper =
+            reinterpret_cast<DexHelper *>(env->GetLongField(thiz, token_field));
+    if (!helper)
+        return -1;
+    auto java_name = (jstring)env->CallObjectMethod(method, get_name_method);
+    auto clazz =
+            (jclass)env->CallObjectMethod(method, get_declaring_class_method);
+    auto name = env->GetStringUTFChars(java_name, nullptr);
+    auto params =
+            (jobjectArray)env->CallObjectMethod(method, get_parameters_method);
+    auto param_len = env->GetArrayLength(params);
+    std::vector<std::string> param_descriptors;
+    param_descriptors.reserve(param_len);
+    for (size_t i = 0; i < param_len; ++i) {
+        auto param = (jclass)env->GetObjectArrayElement(params, i);
+        param_descriptors.emplace_back(GetClassDescriptor(env, param));
+        env->DeleteLocalRef(param);
+    }
+    std::vector<std::string_view> params_name;
+    params_name.reserve(param_descriptors.size());
+    for (const auto &descriptor : param_descriptors) {
+        params_name.emplace_back(descriptor);
+    }
+    auto res = helper->CreateMethodIndex(name, GetClassDescriptor(env, clazz),
+                                         params_name);
+    env->ReleaseStringUTFChars(java_name, name);
+    return res;
+}
+
+extern "C" JNIEXPORT jclass JNICALL
+Java_me_iacn_biliroaming_utils_DexHelper_decodeClassIndex(JNIEnv *env,
+                                                          jobject thiz,
+                                                          jlong class_index) {
+    auto *helper =
+            reinterpret_cast<DexHelper *>(env->GetLongField(thiz, token_field));
+    if (!helper)
+        return nullptr;
+    auto out = helper->DecodeClass(class_index);
+    auto cl = env->GetObjectField(thiz, class_loader_field);
+    auto res = LoadClass(env, cl, out.name);
+    env->DeleteLocalRef(cl);
+    return res;
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_me_iacn_biliroaming_utils_DexHelper_close(JNIEnv *env, jobject thiz) {
+    auto *helper =
+            reinterpret_cast<DexHelper *>(env->GetLongField(thiz, token_field));
+    env->SetLongField(thiz, token_field, jlong(0));
+    delete helper;
+}
+
+extern "C" JNIEXPORT jint JNICALL BILI_JNI_OnLoad(JavaVM *vm, void *) {
+    JNIEnv *env = nullptr;
+    if (vm->GetEnv(reinterpret_cast<void **>(&env), JNI_VERSION_1_4) != JNI_OK) {
+        return -1;
+    }
+    jclass helper = env->FindClass("me/iacn/biliroaming/utils/DexHelper");
+    token_field = env->GetFieldID(helper, "token", "J");
+    class_loader_field =
+            env->GetFieldID(helper, "classLoader", "Ljava/lang/ClassLoader;");
+    auto class_loader = env->FindClass("java/lang/ClassLoader");
+    load_class_method = env->GetMethodID(
+            class_loader, "loadClass", "(Ljava/lang/String;Z)Ljava/lang/Class;");
+    auto member = env->FindClass("java/lang/reflect/Member");
+    get_declaring_class_method =
+            env->GetMethodID(member, "getDeclaringClass", "()Ljava/lang/Class;");
+    get_name_method = env->GetMethodID(member, "getName", "()Ljava/lang/String;");
+    auto executable = env->FindClass("java/lang/reflect/Executable");
+    get_parameters_method =
+            env->GetMethodID(executable, "getParameterTypes", "()[Ljava/lang/Class;");
+    auto clazz = env->FindClass("java/lang/Class");
+    get_class_name_method =
+            env->GetMethodID(clazz, "getName", "()Ljava/lang/String;");
+    auto dex_class_loader = env->FindClass("dalvik/system/BaseDexClassLoader");
+    path_list_field = env->GetFieldID(dex_class_loader, "pathList",
+                                      "Ldalvik/system/DexPathList;");
+    auto dex_path_list = env->FindClass("dalvik/system/DexPathList");
+    element_field = env->GetFieldID(dex_path_list, "dexElements",
+                                    "[Ldalvik/system/DexPathList$Element;");
+    auto element = env->FindClass("dalvik/system/DexPathList$Element");
+    dex_file_field =
+            env->GetFieldID(element, "dexFile", "Ldalvik/system/DexFile;");
+    auto dex_file = env->FindClass("dalvik/system/DexFile");
+    cookie_field = env->GetFieldID(dex_file, "mCookie", "Ljava/lang/Object;");
+    return JNI_VERSION_1_4;
+}
+
+extern "C"
+JNIEXPORT void JNICALL
+Java_me_iacn_biliroaming_utils_DexHelper_createFullCache(JNIEnv *env, jobject thiz) {
+    auto *helper =
+            reinterpret_cast<DexHelper *>(env->GetLongField(thiz, token_field));
+    if (!helper)
+        return;
+    helper->CreateFullCache();
+}

app/src/main/cpp/logging.h

@@ -0,0 +1,29 @@
+#ifndef _LOGGING_H
+#define _LOGGING_H
+
+#include <android/log.h>
+
+#ifndef LOG_TAG
+#define LOG_TAG    "SimplicityTools"
+#endif
+
+#ifdef LOG_DISABLED
+#define LOGD(...)
+#define LOGV(...)
+#define LOGI(...)
+#define LOGW(...)
+#define LOGE(...)
+#else
+#ifndef NDEBUG
+#define LOGD(...)  __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)
+#else
+#define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)
+#endif
+#define LOGV(...)  __android_log_print(ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__)
+#define LOGI(...)  __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)
+#define LOGW(...)  __android_log_print(ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__)
+#define LOGE(...)  __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)
+#define PLOGE(fmt, args...) LOGE(fmt " failed with %d: %s", ##args, errno, strerror(errno))
+#endif
+
+#endif // _LOGGING_H

app/src/main/cpp/native.cpp

@@ -0,0 +1,9 @@
+#include <jni.h>
+#include "logging.h"
+#include "native.h"
+
+JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM* vm, void* reserved) {
+    LOGD("%s", "JNI_OnLoad");
+    BILI_JNI_OnLoad(vm, reserved);
+    return JNI_VERSION_1_6;
+}

app/src/main/cpp/native.h

@@ -0,0 +1,10 @@
+//
+// Created by Owner on 2022/3/9.
+//
+
+#ifndef FUCKCOOLAPKR_NATIVE_H
+#define FUCKCOOLAPKR_NATIVE_H
+
+extern "C" jint BILI_JNI_OnLoad(JavaVM *vm, void *reserved);
+
+#endif //FUCKCOOLAPKR_NATIVE_H

app/src/main/cpp/native_api.h

@@ -0,0 +1,21 @@
+#ifndef XPOSEDTEMPLATE_NATIVE_API_H
+#define XPOSEDTEMPLATE_NATIVE_API_H
+
+#include <cstdint>
+#include <string>
+
+typedef int (*HookFunType)(void *func, void *replace, void **backup);
+
+typedef int (*UnhookFunType)(void *func);
+
+typedef void (*NativeOnModuleLoaded)(const char *name, void *handle);
+
+typedef struct {
+    uint32_t version;
+    HookFunType hookFunc;
+    UnhookFunType unhookFunc;
+} NativeAPIEntries;
+
+typedef NativeOnModuleLoaded (*NativeInit)(const NativeAPIEntries *entries);
+
+#endif //XPOSEDTEMPLATE_NATIVE_API_H

app/src/main/java/com/lt2333/simplicitytools/hook/app/SecurityCenter.kt

@@ -2,19 +2,33 @@ package com.lt2333.simplicitytools.hook.app
 
 import com.lt2333.simplicitytools.hook.app.securitycenter.LockOneHundred
 import com.lt2333.simplicitytools.hook.app.securitycenter.RemoveMacroBlacklist
+import com.lt2333.simplicitytools.hook.app.securitycenter.ShowBatteryTemperature
 import com.lt2333.simplicitytools.hook.app.securitycenter.SkipWaitingTime
+import com.lt2333.simplicitytools.util.log
 import de.robv.android.xposed.IXposedHookLoadPackage
 import de.robv.android.xposed.XposedBridge
 import de.robv.android.xposed.callbacks.XC_LoadPackage.LoadPackageParam
+import me.iacn.biliroaming.utils.DexHelper
 
 class SecurityCenter : IXposedHookLoadPackage {
+
+    var dexHelper: DexHelper? = null
+
     override fun handleLoadPackage(lpparam: LoadPackageParam) {
         XposedBridge.log("Simplicitytools: 成功 Hook "+javaClass.simpleName)
+        try {
+            System.loadLibrary("DexBuilder")
+            dexHelper = DexHelper.getInstance(lpparam.classLoader)
+        } catch (e: UnsatisfiedLinkError) {
+            log("DexBuilder 加载失败")
+        }
         //跳过 5/10秒等待时间
         SkipWaitingTime().handleLoadPackage(lpparam)
         //锁定 100分
         LockOneHundred().handleLoadPackage(lpparam)
         //去除自动连招黑名单
         RemoveMacroBlacklist().handleLoadPackage(lpparam)
+        //显示电池温度
+        ShowBatteryTemperature(dexHelper).handleLoadPackage(lpparam)
     }
 }

app/src/main/java/com/lt2333/simplicitytools/hook/app/securitycenter/ShowBatteryTemperature.kt

@@ -0,0 +1,39 @@
+package com.lt2333.simplicitytools.hook.app.securitycenter
+
+import com.lt2333.simplicitytools.util.log
+import de.robv.android.xposed.IXposedHookLoadPackage
+import de.robv.android.xposed.XC_MethodReplacement
+import de.robv.android.xposed.XposedBridge
+import de.robv.android.xposed.callbacks.XC_LoadPackage
+import me.iacn.biliroaming.utils.DexHelper
+
+class ShowBatteryTemperature(private val dexHelper: DexHelper?): IXposedHookLoadPackage {
+
+    override fun handleLoadPackage(lpparam: XC_LoadPackage.LoadPackageParam) {
+        if (dexHelper == null) {
+            log("DexHelper为null，hook ShowBatteryTemperature 失败")
+            return
+        }
+
+        val methodIndex = dexHelper.findMethodUsingString(
+            "isBatteryLifeFunctionSupported",
+            true,
+            -1,
+            0,
+            null,
+            -1,
+            null,
+            null,
+            null,
+            true
+        ).firstOrNull()
+        if (methodIndex == null) {
+            log("ShowBatteryTemperature 无法定位方法")
+            return
+        }
+        val method = dexHelper.decodeMethodIndex(methodIndex)
+        log(method)
+        XposedBridge.hookMethod(method, XC_MethodReplacement.returnConstant(true))
+    }
+
+}

app/src/main/java/com/lt2333/simplicitytools/util/KotlinXposedHelper.kt

@@ -8,6 +8,8 @@ import de.robv.android.xposed.XC_MethodReplacement
 import de.robv.android.xposed.XposedBridge
 import de.robv.android.xposed.XposedHelpers
 import de.robv.android.xposed.callbacks.XC_LayoutInflated
+import me.iacn.biliroaming.utils.DexHelper
+
 import java.lang.reflect.Field
 import java.lang.reflect.Member
 import java.util.*

app/src/main/java/me/iacn/biliroaming/utils/DexHelper.java

@@ -0,0 +1,87 @@
+package me.iacn.biliroaming.utils;
+
+import com.lt2333.simplicitytools.util.KotlinXposedHelperKt;
+
+import java.io.Closeable;
+import java.lang.reflect.Field;
+import java.lang.reflect.Member;
+
+import dalvik.system.BaseDexClassLoader;
+
+public class DexHelper implements AutoCloseable, Closeable {
+    public static final int NO_CLASS_INDEX = -1;
+    private final ClassLoader classLoader;
+    private final long token;
+    private static DexHelper instance;
+
+    public static DexHelper getInstance(ClassLoader classLoader) {
+        synchronized (DexHelper.class) {
+            if (instance != null) return instance;
+            BaseDexClassLoader loader = KotlinXposedHelperKt.findDexClassLoader(classLoader);
+            if (loader == null) {
+                return null;
+            }
+            instance = new DexHelper(loader);
+            return instance;
+        }
+    }
+
+    public DexHelper(ClassLoader classLoader) {
+        this.classLoader = classLoader;
+        token = load(classLoader);
+    }
+
+    public native long[] findMethodUsingString(
+            String str, boolean matchPrefix, long returnType, short parameterCount,
+            String parameterShorty, long declaringClass, long[] parameterTypes,
+            long[] containsParameterTypes, int[] dexPriority, boolean findFirst);
+
+    public native long[] findMethodInvoking(long methodIndex, long returnType,
+                                     short parameterCount, String parameterShorty,
+                                     long declaringClass, long[] parameterTypes,
+                                     long[] containsParameterTypes,
+                                     int[] dexPriority, boolean findFirst);
+
+    public native long[] findMethodInvoked(long methodIndex, long returnType,
+                                    short parameterCount, String parameterShorty,
+                                    long declaringClass, long[] parameterTypes,
+                                    long[] containsParameterTypes,
+                                    int[] dexPriority, boolean findFirst);
+
+    public native long[] findMethodSettingField(
+            long fieldIndex, long returnType, short parameterCount,
+            String parameterShorty, long declaringClass, long[] parameterTypes,
+            long[] containsParameterTypes, int[] dexPriority, boolean findFirst);
+
+    public native long[] findMethodGettingField(
+            long fieldIndex, long returnType, short parameterCount,
+            String parameterShorty, long declaringClass, long[] parameterTypes,
+            long[] containsParameterTypes, int[] dexPriority, boolean findFirst);
+
+    public native long[] findField(long type, int[] dexPriority, boolean findFirst);
+
+    public native Member decodeMethodIndex(long methodIndex);
+
+    public native long encodeMethodIndex(Member method);
+
+    public native Field decodeFieldIndex(long fieldIndex);
+
+    public native long encodeFieldIndex(Field field);
+
+    public native long encodeClassIndex(Class<?> clazz);
+
+    public native Class<?> decodeClassIndex(long classIndex);
+
+    public native void createFullCache();
+
+    @Override
+    public native void close();
+
+    @Override
+    protected void finalize() {
+        close();
+    }
+
+    private native long load(ClassLoader classLoader);
+}
+