| /* |
| * 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. |
| */ |
| |
| package android.net.ipsec.ike; |
| |
| import android.annotation.NonNull; |
| import android.net.InetAddresses; |
| import android.net.ipsec.ike.exceptions.AuthenticationFailedException; |
| import android.os.PersistableBundle; |
| |
| import java.net.Inet6Address; |
| import java.net.UnknownHostException; |
| import java.security.cert.X509Certificate; |
| import java.util.Objects; |
| |
| /** IkeIpv6AddrIdentification represents an IKE entity identification based on IPv6 address. */ |
| public class IkeIpv6AddrIdentification extends IkeIdentification { |
| private static final String IP_ADDRESS_KEY = "ipv6Address"; |
| |
| /** The IPv6 address. */ |
| @NonNull public final Inet6Address ipv6Address; |
| |
| /** |
| * Construct an instance of IkeIpv6AddrIdentification from a decoded inbound packet. |
| * |
| * @param ipv6AddrBytes IPv6 address in byte array. |
| * @throws AuthenticationFailedException for decoding bytes error. |
| * @hide |
| */ |
| public IkeIpv6AddrIdentification(byte[] ipv6AddrBytes) throws AuthenticationFailedException { |
| super(ID_TYPE_IPV6_ADDR); |
| try { |
| ipv6Address = (Inet6Address) (Inet6Address.getByAddress(ipv6AddrBytes)); |
| } catch (ClassCastException | UnknownHostException e) { |
| throw new AuthenticationFailedException(e); |
| } |
| } |
| |
| /** |
| * Construct an instance of {@link IkeIpv6AddrIdentification} with an IPv6 address. |
| * |
| * @param address the IPv6 address. |
| */ |
| public IkeIpv6AddrIdentification(@NonNull Inet6Address address) { |
| super(ID_TYPE_IPV6_ADDR); |
| ipv6Address = address; |
| } |
| |
| /** |
| * Constructs this object by deserializing a PersistableBundle |
| * |
| * @hide |
| */ |
| @NonNull |
| public static IkeIpv6AddrIdentification fromPersistableBundle(@NonNull PersistableBundle in) { |
| Objects.requireNonNull(in, "PersistableBundle is null"); |
| |
| return new IkeIpv6AddrIdentification( |
| (Inet6Address) InetAddresses.parseNumericAddress(in.getString(IP_ADDRESS_KEY))); |
| } |
| /** |
| * Serializes this object to a PersistableBundle |
| * |
| * @hide |
| */ |
| @Override |
| @NonNull |
| public PersistableBundle toPersistableBundle() { |
| final PersistableBundle result = super.toPersistableBundle(); |
| result.putString(IP_ADDRESS_KEY, ipv6Address.getHostAddress()); |
| return result; |
| } |
| |
| /** @hide */ |
| @Override |
| public int hashCode() { |
| // idType is also hashed to prevent collisions with other IkeAuthentication subtypes |
| return Objects.hash(idType, ipv6Address); |
| } |
| |
| /** @hide */ |
| @Override |
| public boolean equals(Object o) { |
| if (!(o instanceof IkeIpv6AddrIdentification)) return false; |
| |
| // idType already verified based on class type; no need to check again. |
| return ipv6Address.equals(((IkeIpv6AddrIdentification) o).ipv6Address); |
| } |
| |
| /** @hide */ |
| @Override |
| public String getIdTypeString() { |
| return "IPv6 Address"; |
| } |
| |
| /** @hide */ |
| @Override |
| public void validateEndCertIdOrThrow(X509Certificate endCert) |
| throws AuthenticationFailedException { |
| // The corresponding SAN type is IP Address as per RFC 7296 |
| validateEndCertSanOrThrow(endCert, SAN_TYPE_IP_ADDRESS, ipv6Address.getHostAddress()); |
| } |
| |
| /** |
| * Retrieve the byte-representation of the IPv6 address. |
| * |
| * @return the byte-representation of the IPv6 address. |
| * @hide |
| */ |
| @Override |
| public byte[] getEncodedIdData() { |
| return ipv6Address.getAddress(); |
| } |
| } |