You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
86 lines
2.4 KiB
86 lines
2.4 KiB
4 months ago
|
/*
|
||
|
|
* Copyright (C) 2020 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 "libapexutil"
|
||
|
|
|
||
|
|
#include "apexutil.h"
|
||
|
|
|
||
|
|
#include <dirent.h>
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
#include <memory>
|
||
|
|
|
||
|
|
#include <android-base/file.h>
|
||
|
|
#include <android-base/logging.h>
|
||
|
|
#include <android-base/result.h>
|
||
|
|
#include <apex_manifest.pb.h>
|
||
|
|
|
||
|
|
using ::android::base::Error;
|
||
|
|
using ::android::base::ReadFileToString;
|
||
|
|
using ::android::base::Result;
|
||
|
|
using ::apex::proto::ApexManifest;
|
||
|
|
|
||
|
|
namespace {
|
||
|
|
|
||
|
|
Result<ApexManifest> ParseApexManifest(const std::string &manifest_path) {
|
||
|
|
std::string content;
|
||
|
|
if (!ReadFileToString(manifest_path, &content)) {
|
||
|
|
return Error() << "Failed to read manifest file: " << manifest_path;
|
||
|
|
}
|
||
|
|
ApexManifest manifest;
|
||
|
|
if (!manifest.ParseFromString(content)) {
|
||
|
|
return Error() << "Can't parse APEX manifest: " << manifest_path;
|
||
|
|
}
|
||
|
|
return manifest;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace
|
||
|
|
|
||
|
|
namespace android {
|
||
|
|
namespace apex {
|
||
|
|
|
||
|
|
std::map<std::string, ApexManifest>
|
||
|
|
GetActivePackages(const std::string &apex_root) {
|
||
|
|
std::unique_ptr<DIR, decltype(&closedir)> dir(opendir(apex_root.c_str()),
|
||
|
|
closedir);
|
||
|
|
if (!dir) {
|
||
|
|
return {};
|
||
|
|
}
|
||
|
|
|
||
|
|
std::map<std::string, ApexManifest> apexes;
|
||
|
|
dirent *entry;
|
||
|
|
while ((entry = readdir(dir.get())) != nullptr) {
|
||
|
|
if (entry->d_name[0] == '.')
|
||
|
|
continue;
|
||
|
|
if (entry->d_type != DT_DIR)
|
||
|
|
continue;
|
||
|
|
if (strchr(entry->d_name, '@') != nullptr)
|
||
|
|
continue;
|
||
|
|
if (strcmp(entry->d_name, "sharedlibs") == 0)
|
||
|
|
continue;
|
||
|
|
std::string apex_path = apex_root + "/" + entry->d_name;
|
||
|
|
auto manifest = ParseApexManifest(apex_path + "/apex_manifest.pb");
|
||
|
|
if (manifest.ok()) {
|
||
|
|
apexes.emplace(std::move(apex_path), std::move(*manifest));
|
||
|
|
} else {
|
||
|
|
LOG(WARNING) << manifest.error();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return apexes;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace apex
|
||
|
|
} // namespace android
|