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/*
* Copyright (C) 2021 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 "AppInfoFetcher"
#include "AppInfoFetcher.h"
#include <PackageInfo.h>
#include <Utils.h>
#include <android-base/file.h>
#include <android-base/properties.h>
#include <binder/IServiceManager.h>
#include <procpartition/procpartition.h>
#include <algorithm>
#include <limits>
#include <map>
#include <memory>
#include <string>
#include <string_view>
#include <vector>
namespace android {
namespace nn {
namespace {
// Query PackageManagerNative service about Android app properties.
// On success, it will populate appInfo->app* fields.
bool fetchAppPackageLocationInfo(uid_t uid, AppInfoFetcher::AppInfo* appInfo) {
ANeuralNetworks_PackageInfo packageInfo;
if (!ANeuralNetworks_fetch_PackageInfo(uid, &packageInfo)) {
return false;
}
appInfo->appPackageName = packageInfo.appPackageName;
appInfo->appIsSystemApp = packageInfo.appIsSystemApp;
appInfo->appIsOnVendorImage = packageInfo.appIsOnVendorImage;
appInfo->appIsOnProductImage = packageInfo.appIsOnProductImage;
ANeuralNetworks_free_PackageInfo(&packageInfo);
return true;
}
} // namespace
AppInfoFetcher::AppInfoFetcher()
: appInfo({.binaryPath = ::android::procpartition::getExe(getpid()),
.appPackageName = "",
.appIsSystemApp = false,
.appIsOnVendorImage = false,
.appIsOnProductImage = false}) {
if (appInfo.binaryPath == "/system/bin/app_process64" ||
appInfo.binaryPath == "/system/bin/app_process32") {
if (!fetchAppPackageLocationInfo(getuid(), &appInfo)) {
LOG(ERROR) << "Failed to get app information from package_manager_native";
}
}
}
} // namespace nn
} // namespace android