bpf/dns_helper/DnsHelper.cpp

/*
 * Copyright (C) 2023 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.
 */

#include <errno.h>

#include "DnsBpfHelper.h"
#include "DnsHelperPublic.h"

static android::net::DnsBpfHelper sDnsBpfHelper;

int ADnsHelper_init() {
  auto result = sDnsBpfHelper.init();
  if (!result.ok()) return -result.error().code();

  return 0;
}

int ADnsHelper_isUidNetworkingBlocked(uid_t uid, bool metered) {
  auto result = sDnsBpfHelper.isUidNetworkingBlocked(uid, metered);
  if (!result.ok()) return -result.error().code();

  // bool -> int conversion.
  return result.value();
}