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/*
** Copyright 2015, The Android Open Source Project
**
** Licensed 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.
*/
#define LOG_TAG "installd"
#include <globals.h>
#include <installd_constants.h>
#include <utils.h>
#include <android-base/logging.h>
#include <stdlib.h>
#include <string.h>
namespace android {
namespace installd {
static constexpr const char* APP_SUBDIR = "app/"; // sub-directory under ANDROID_DATA
static constexpr const char* PRIV_APP_SUBDIR = "priv-app/"; // sub-directory under ANDROID_DATA
static constexpr const char* EPHEMERAL_APP_SUBDIR = "app-ephemeral/"; // sub-directory under
// ANDROID_DATA
static constexpr const char* APP_LIB_SUBDIR = "app-lib/"; // sub-directory under ANDROID_DATA
static constexpr const char* MEDIA_SUBDIR = "media/"; // sub-directory under ANDROID_DATA
static constexpr const char* PROFILES_SUBDIR = "misc/profiles"; // sub-directory under ANDROID_DATA
static constexpr const char* PRIVATE_APP_SUBDIR = "app-private/"; // sub-directory under
// ANDROID_DATA
static constexpr const char* STAGING_SUBDIR = "app-staging/"; // sub-directory under ANDROID_DATA
std::string android_app_dir;
std::string android_app_ephemeral_dir;
std::string android_app_lib_dir;
std::string android_app_private_dir;
std::string android_asec_dir;
std::string android_data_dir;
std::string android_media_dir;
std::string android_mnt_expand_dir;
std::string android_profiles_dir;
std::string android_root_dir;
std::string android_staging_dir;
std::vector<std::string> android_system_dirs;
bool init_globals_from_data_and_root() {
const char* data_path = getenv("ANDROID_DATA");
if (data_path == nullptr) {
LOG(ERROR) << "Could not find ANDROID_DATA";
return false;
}
const char* root_path = getenv("ANDROID_ROOT");
if (root_path == nullptr) {
LOG(ERROR) << "Could not find ANDROID_ROOT";
return false;
}
return init_globals_from_data_and_root(data_path, root_path);
}
static std::string ensure_trailing_slash(const std::string& path) {
if (path.rfind('/') != path.size() - 1) {
return path + '/';
} else {
return path;
}
}
bool init_globals_from_data_and_root(const char* data, const char* root) {
// Get the android data directory.
android_data_dir = ensure_trailing_slash(data);
// Get the android root directory.
android_root_dir = ensure_trailing_slash(root);
// Get the android app directory.
android_app_dir = android_data_dir + APP_SUBDIR;
// Get the android protected app directory.
android_app_private_dir = android_data_dir + PRIVATE_APP_SUBDIR;
// Get the android ephemeral app directory.
android_app_ephemeral_dir = android_data_dir + EPHEMERAL_APP_SUBDIR;
// Get the android app native library directory.
android_app_lib_dir = android_data_dir + APP_LIB_SUBDIR;
// Get the sd-card ASEC mount point.
android_asec_dir = ensure_trailing_slash(getenv(ASEC_MOUNTPOINT_ENV_NAME));
// Get the android media directory.
android_media_dir = android_data_dir + MEDIA_SUBDIR;
// Get the android external app directory.
android_mnt_expand_dir = "/mnt/expand/";
// Get the android profiles directory.
android_profiles_dir = android_data_dir + PROFILES_SUBDIR;
// Get the android session staging directory.
android_staging_dir = android_data_dir + STAGING_SUBDIR;
// Take note of the system and vendor directories.
android_system_dirs.clear();
android_system_dirs.push_back(android_root_dir + APP_SUBDIR);
android_system_dirs.push_back(android_root_dir + PRIV_APP_SUBDIR);
android_system_dirs.push_back("/vendor/app/");
android_system_dirs.push_back("/oem/app/");
return true;
}
} // namespace installd
} // namespace android
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