| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| #include "android/utils/so_utils.h" |
| #include <string> |
| #include <errno.h> |
| #include <cstdlib> |
| #include <unistd.h> |
| #include <dlfcn.h> |
| #include "base/android/log_utils.h" |
| |
| namespace WeexCore { |
| char * SoUtils::g_cache_dir = nullptr; |
| char * SoUtils::g_jss_so_path = nullptr; |
| char * SoUtils::g_jsc_so_path = nullptr; |
| char * SoUtils::g_crash_file_path = nullptr; |
| char * SoUtils::g_jss_icu_path = nullptr; |
| char * SoUtils::g_lib_ld_path = nullptr; |
| char * SoUtils::g_jss_so_name = const_cast<char *>("libweexjss.so"); |
| bool SoUtils::g_pie_support = false; |
| std::function<void(const char*, const char*)> SoUtils::g_exception_handler = nullptr; |
| |
| const char *SoUtils::GetDefaultCacheDir(JNIEnv *env) { |
| jclass activityThreadCls, applicationCls, fileCls; |
| jobject applicationObj, fileObj, pathStringObj; |
| jmethodID currentApplicationMethodId, |
| getCacheDirMethodId, |
| getAbsolutePathMethodId; |
| static std::string storage; |
| const char *tmp; |
| const char *ret = nullptr; |
| if (!storage.empty()) { |
| ret = storage.c_str(); |
| goto no_empty; |
| } |
| activityThreadCls = env->FindClass("android/app/ActivityThread"); |
| if (!activityThreadCls || env->ExceptionOccurred()) { |
| goto no_class; |
| } |
| currentApplicationMethodId = env->GetStaticMethodID( |
| activityThreadCls, |
| "currentApplication", |
| "()Landroid/app/Application;"); |
| if (!currentApplicationMethodId || env->ExceptionOccurred()) { |
| goto no_currentapplication_method; |
| } |
| applicationObj = env->CallStaticObjectMethod(activityThreadCls, |
| currentApplicationMethodId, |
| nullptr); |
| if (!applicationObj || env->ExceptionOccurred()) { |
| goto no_application; |
| } |
| applicationCls = env->GetObjectClass(applicationObj); |
| getCacheDirMethodId = env->GetMethodID(applicationCls, |
| "getCacheDir", |
| "()Ljava/io/File;"); |
| if (!getCacheDirMethodId || env->ExceptionOccurred()) { |
| goto no_getcachedir_method; |
| } |
| fileObj = env->CallObjectMethod(applicationObj, getCacheDirMethodId, nullptr); |
| if (!fileObj || env->ExceptionOccurred()) { |
| goto no_file_obj; |
| } |
| fileCls = env->GetObjectClass(fileObj); |
| getAbsolutePathMethodId = env->GetMethodID(fileCls, |
| "getAbsolutePath", |
| "()Ljava/lang/String;"); |
| if (!getAbsolutePathMethodId || env->ExceptionOccurred()) { |
| goto no_getabsolutepath_method; |
| } |
| pathStringObj = env->CallObjectMethod(fileObj, |
| getAbsolutePathMethodId, |
| nullptr); |
| if (!pathStringObj || env->ExceptionOccurred()) { |
| goto no_path_string; |
| } |
| tmp = env->GetStringUTFChars(reinterpret_cast<jstring>(pathStringObj), |
| nullptr); |
| storage.assign(tmp); |
| env->ReleaseStringUTFChars(reinterpret_cast<jstring>(pathStringObj), |
| tmp); |
| ret = storage.c_str(); |
| no_path_string: |
| no_getabsolutepath_method: |
| env->DeleteLocalRef(fileCls); |
| env->DeleteLocalRef(fileObj); |
| no_file_obj: |
| no_getcachedir_method: |
| env->DeleteLocalRef(applicationCls); |
| env->DeleteLocalRef(applicationObj); |
| no_application: |
| no_currentapplication_method: |
| env->DeleteLocalRef(activityThreadCls); |
| no_class: |
| env->ExceptionDescribe(); |
| env->ExceptionClear(); |
| no_empty: |
| return ret; |
| } |
| |
| void SoUtils::Init(JNIEnv *env) { |
| g_cache_dir = const_cast<char *>(GetDefaultCacheDir(env)); |
| } |
| |
| std::string SoUtils::FindLibJssSoPath() { |
| std::string executablePath = ""; |
| unsigned long target = reinterpret_cast<unsigned long>(__builtin_return_address(0)); |
| FILE *f = fopen("/proc/self/maps", "r"); |
| if (!f) { |
| return ""; |
| } |
| char buffer[256]; |
| char *line; |
| while ((line = fgets(buffer, 256, f))) { |
| char *end; |
| unsigned long val; |
| errno = 0; |
| val = strtoul(line, &end, 16); |
| if (errno) |
| continue; |
| if (val > target) |
| continue; |
| end += 1; |
| errno = 0; |
| val = strtoul(end, &end, 16); |
| if (errno) |
| continue; |
| if (val > target) { |
| char *s = strstr(end, "/"); |
| if (s != nullptr) |
| executablePath.assign(s); |
| std::size_t found = executablePath.rfind('/'); |
| if (found != std::string::npos) { |
| executablePath = executablePath.substr(0, found); |
| } |
| } |
| if (!executablePath.empty()) { |
| break; |
| } |
| } |
| fclose(f); |
| LOGE("find so path: %s", executablePath.c_str()); |
| std::string::size_type pos = std::string::npos; |
| // dynamic deploy |
| if (!executablePath.empty() && executablePath.find(".maindex") != std::string::npos) { |
| std::string libs[] = {"/opt", "/oat/arm"}; |
| auto libsCount = sizeof(libs) / sizeof(std::string); |
| for (int i = 0; i < libsCount; ++i) { |
| auto lib = libs[i]; |
| pos = executablePath.find(lib); |
| if (pos != std::string::npos) { |
| executablePath.replace(pos, lib.length(), "/lib"); |
| break; |
| } |
| } |
| } |
| // std::string soPath = executablePath + "/" + g_jssSoName; |
| std::string soPath = executablePath + "/" + SoUtils::jss_so_name(); |
| // ------------------------------------------------- |
| // ------------------------------------------------- |
| if (access(soPath.c_str(), 00) == 0) { |
| return soPath; |
| } else { |
| const char *error = soPath.c_str(); |
| LOGE("so path: %s is not exist, use full package lib", error); |
| // executablePath = s_cacheDir; |
| executablePath = SoUtils::cache_dir(); |
| std::string lib = "/cache"; |
| if ((pos = soPath.find(lib)) != std::string::npos) { |
| executablePath.replace(pos, lib.length(), "/lib"); |
| } |
| soPath = executablePath + "/" + SoUtils::jss_so_name(); |
| // soPath = executablePath + "/" + g_jssSoName; |
| if (access(soPath.c_str(), 00) != 0) { |
| LOGE("so path: %s is not exist", soPath.c_str()); |
| g_exception_handler("-1004", error); |
| //return false; |
| //use libweexjss.so directly |
| // soPath = g_jssSoName; |
| soPath = SoUtils::jss_so_name(); |
| } |
| return soPath; |
| } |
| } |
| |
| void SoUtils::RegisterExceptionHanler( |
| const std::function<void(const char*, const char*)>& |
| ReportNativeInitStatus) { |
| g_exception_handler = ReportNativeInitStatus; |
| } |
| |
| void SoUtils::updateSoLinkPath(const char *lib_ld_path) { |
| if(lib_ld_path == nullptr || strlen(lib_ld_path) == 0) { |
| return; |
| } |
| |
| LOGE("updateSoLinkPath is %s",lib_ld_path); |
| void* sym = dlsym(RTLD_DEFAULT, "android_update_LD_LIBRARY_PATH"); |
| if (sym != NULL) { |
| typedef void (*Fn)(const char*); |
| Fn android_update_LD_LIBRARY_PATH = reinterpret_cast<Fn>(sym); |
| (*android_update_LD_LIBRARY_PATH)(lib_ld_path); |
| } else { |
| LOGE("android_update_LD_LIBRARY_PATH not found; .so dependencies will not work!"); |
| } |
| } |
| } |
