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/*
* Copyright (C) 2019 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 "PackageInfo"
#include "PackageInfo.h"
#include <android-base/logging.h>
#include <android/content/pm/IPackageManagerNative.h>
#include <binder/IServiceManager.h>
#include <string>
#include <vector>
bool ANeuralNetworks_fetch_PackageInfo(uid_t uid, ANeuralNetworks_PackageInfo* appPackageInfo) {
if (appPackageInfo == nullptr) {
LOG(ERROR) << "appPackageInfo can't be a nullptr";
return false;
}
::android::sp<::android::IServiceManager> sm(::android::defaultServiceManager());
::android::sp<::android::IBinder> binder(sm->getService(::android::String16("package_native")));
if (binder == nullptr) {
LOG(ERROR) << "getService package_native failed";
return false;
}
::android::sp<::android::content::pm::IPackageManagerNative> packageMgr =
::android::interface_cast<::android::content::pm::IPackageManagerNative>(binder);
std::vector<int> uids{static_cast<int>(uid)};
std::vector<std::string> names;
::android::binder::Status status = packageMgr->getNamesForUids(uids, &names);
if (!status.isOk()) {
LOG(ERROR) << "package_native::getNamesForUids failed: "
<< status.exceptionMessage().c_str();
return false;
}
const std::string& packageName = names[0];
int flags = 0;
status = packageMgr->getLocationFlags(packageName, &flags);
if (!status.isOk()) {
LOG(ERROR) << "package_native::getLocationFlags failed: "
<< status.exceptionMessage().c_str();
return false;
}
appPackageInfo->appPackageName = new char[packageName.size() + 1];
memcpy(appPackageInfo->appPackageName, packageName.c_str(), packageName.size() + 1);
// isSystemApp()
appPackageInfo->appIsSystemApp =
((flags & ::android::content::pm::IPackageManagerNative::LOCATION_SYSTEM) != 0);
// isVendor()
appPackageInfo->appIsOnVendorImage =
((flags & ::android::content::pm::IPackageManagerNative::LOCATION_VENDOR) != 0);
// isProduct()
appPackageInfo->appIsOnProductImage =
((flags & ::android::content::pm::IPackageManagerNative::LOCATION_PRODUCT) != 0);
return true;
}
void ANeuralNetworks_free_PackageInfo(ANeuralNetworks_PackageInfo* appPackageInfo) {
if (appPackageInfo != nullptr) {
if (appPackageInfo->appPackageName != nullptr) {
delete[] appPackageInfo->appPackageName;
}
}
}