/* * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. *//* * * (C) Copyright IBM Corp. 1999 All Rights Reserved. * Copyright 1997 The Open Group Research Institute. All rights reserved. */package sun.security.krb5.internal;import sun.security.krb5.PrincipalName;import sun.security.krb5.KrbException;import sun.security.krb5.Asn1Exception;import sun.security.util.*;import java.util.Vector;import java.util.ArrayList;import java.net.InetAddress;import java.net.Inet4Address;import java.net.Inet6Address;import java.net.UnknownHostException;import java.io.IOException;import sun.security.krb5.internal.ccache.CCacheOutputStream;/** * Implements the ASN.1 HostAddresses type. * * <xmp> * HostAddresses -- NOTE: subtly different from rfc1510, * -- but has a value mapping and encodes the same * ::= SEQUENCE OF HostAddress * * HostAddress ::= SEQUENCE { * addr-type [0] Int32, * address [1] OCTET STRING * } * </xmp> * * <p> * This definition reflects the Network Working Group RFC 4120 * specification available at * <a href="http://www.ietf.org/rfc/rfc4120.txt"> * http://www.ietf.org/rfc/rfc4120.txt</a>. */public class HostAddresses implements Cloneable { private static boolean DEBUG = sun.security.krb5.internal.Krb5.DEBUG; private HostAddress[] addresses = null; private volatile int hashCode = 0; public HostAddresses(HostAddress[] new_addresses) throws IOException { if (new_addresses != null) { addresses = new HostAddress[new_addresses.length]; for (int i = 0; i < new_addresses.length; i++) { if (new_addresses[i] == null) { throw new IOException("Cannot create a HostAddress"); } else { addresses[i] = (HostAddress)new_addresses[i].clone(); } } } } public HostAddresses() throws UnknownHostException { addresses = new HostAddress[1]; addresses[0] = new HostAddress(); } private HostAddresses(int dummy) {} public HostAddresses(PrincipalName serverPrincipal) throws UnknownHostException, KrbException { String[] components = serverPrincipal.getNameStrings(); if (serverPrincipal.getNameType() != PrincipalName.KRB_NT_SRV_HST || components.length < 2) throw new KrbException(Krb5.KRB_ERR_GENERIC, "Bad name"); String host = components[1]; InetAddress addr[] = InetAddress.getAllByName(host); HostAddress hAddrs[] = new HostAddress[addr.length]; for (int i = 0; i < addr.length; i++) { hAddrs[i] = new HostAddress(addr[i]); } addresses = hAddrs; } public Object clone() { HostAddresses new_hostAddresses = new HostAddresses(0); if (addresses != null) { new_hostAddresses.addresses = new HostAddress[addresses.length]; for (int i = 0; i < addresses.length; i++) { new_hostAddresses.addresses[i] = (HostAddress)addresses[i].clone(); } } return new_hostAddresses; } public boolean inList(HostAddress addr) { if (addresses != null) { for (int i = 0; i < addresses.length; i++) if (addresses[i].equals(addr)) return true; } return false; } public int hashCode() { if (hashCode == 0) { int result = 17; if (addresses != null) { for (int i=0; i < addresses.length; i++) { result = 37*result + addresses[i].hashCode(); } } hashCode = result; } return hashCode; } public boolean equals(Object obj) { if (this == obj) { return true; } if (!(obj instanceof HostAddresses)) { return false; } HostAddresses addrs = (HostAddresses)obj; if ((addresses == null && addrs.addresses != null) || (addresses != null && addrs.addresses == null)) return false; if (addresses != null && addrs.addresses != null) { if (addresses.length != addrs.addresses.length) return false; for (int i = 0; i < addresses.length; i++) if (!addresses[i].equals(addrs.addresses[i])) return false; } return true; } /** * Constructs a new <code>HostAddresses</code> object. * @param encoding a single DER-encoded value. * @exception Asn1Exception if an error occurs while decoding an * ASN1 encoded data. * @exception IOException if an I/O error occurs while reading * encoded data. */ public HostAddresses(DerValue encoding) throws Asn1Exception, IOException { Vector<HostAddress> tempAddresses = new Vector<>(); DerValue der = null; while (encoding.getData().available() > 0) { der = encoding.getData().getDerValue(); tempAddresses.addElement(new HostAddress(der)); } if (tempAddresses.size() > 0) { addresses = new HostAddress[tempAddresses.size()]; tempAddresses.copyInto(addresses); } } /** * Encodes a <code>HostAddresses</code> object. * @return byte array of encoded <code>HostAddresses</code> object. * @exception Asn1Exception if an error occurs while decoding an * ASN1 encoded data. * @exception IOException if an I/O error occurs while reading * encoded data. */ public byte[] asn1Encode() throws Asn1Exception, IOException { DerOutputStream bytes = new DerOutputStream(); DerOutputStream temp = new DerOutputStream(); if (addresses != null && addresses.length > 0) { for (int i = 0; i < addresses.length; i++) bytes.write(addresses[i].asn1Encode()); } temp.write(DerValue.tag_Sequence, bytes); return temp.toByteArray(); } /** * Parse (unmarshal) a <code>HostAddresses</code> from a DER input stream. * This form * parsing might be used when expanding a value which is part of * a constructed sequence and uses explicitly tagged type. * * @exception Asn1Exception if an Asn1Exception occurs. * @param data the Der input stream value, which contains one or more * marshaled value. * @param explicitTag tag number. * @param optional indicates if this data field is optional. * @return an instance of <code>HostAddresses</code>. */ public static HostAddresses parse(DerInputStream data, byte explicitTag, boolean optional) throws Asn1Exception, IOException { if ((optional) && (((byte)data.peekByte() & (byte)0x1F) != explicitTag)) return null; DerValue der = data.getDerValue(); if (explicitTag != (der.getTag() & (byte)0x1F)) { throw new Asn1Exception(Krb5.ASN1_BAD_ID); } else { DerValue subDer = der.getData().getDerValue(); return new HostAddresses(subDer); } } /** * Writes data field values in <code>HostAddresses</code> in FCC * format to a <code>CCacheOutputStream</code>. * * @param cos a <code>CCacheOutputStream</code> to be written to. * @exception IOException if an I/O exception occurs. * @see sun.security.krb5.internal.ccache.CCacheOutputStream */ public void writeAddrs(CCacheOutputStream cos) throws IOException { cos.write32(addresses.length); for (int i = 0; i < addresses.length; i++) { cos.write16(addresses[i].addrType); cos.write32(addresses[i].address.length); cos.write(addresses[i].address, 0, addresses[i].address.length); } } public InetAddress[] getInetAddresses() { if (addresses == null || addresses.length == 0) return null; ArrayList<InetAddress> ipAddrs = new ArrayList<>(addresses.length); for (int i = 0; i < addresses.length; i++) { try { if ((addresses[i].addrType == Krb5.ADDRTYPE_INET) || (addresses[i].addrType == Krb5.ADDRTYPE_INET6)) { ipAddrs.add(addresses[i].getInetAddress()); } } catch (java.net.UnknownHostException e) { // Should not happen since IP address given return null; } } InetAddress[] retVal = new InetAddress[ipAddrs.size()]; return ipAddrs.toArray(retVal); } /** * Returns all the IP addresses of the local host. */ public static HostAddresses getLocalAddresses() throws IOException { String hostname = null; InetAddress[] inetAddresses = null; try { InetAddress localHost = InetAddress.getLocalHost(); hostname = localHost.getHostName(); inetAddresses = InetAddress.getAllByName(hostname); HostAddress[] hAddresses = new HostAddress[inetAddresses.length]; for (int i = 0; i < inetAddresses.length; i++) { hAddresses[i] = new HostAddress(inetAddresses[i]); } if (DEBUG) { System.out.println(">>> KrbKdcReq local addresses for " + hostname + " are: "); for (int i = 0; i < inetAddresses.length; i++) { System.out.println("\n\t" + inetAddresses[i]); if (inetAddresses[i] instanceof Inet4Address) System.out.println("IPv4 address"); if (inetAddresses[i] instanceof Inet6Address) System.out.println("IPv6 address"); } } return (new HostAddresses(hAddresses)); } catch (Exception exc) { throw new IOException(exc.toString()); } } /** * Creates a new HostAddresses instance from the supplied list * of InetAddresses. */ public HostAddresses(InetAddress[] inetAddresses) { if (inetAddresses == null) { addresses = null; return; } addresses = new HostAddress[inetAddresses.length]; for (int i = 0; i < inetAddresses.length; i++) addresses[i] = new HostAddress(inetAddresses[i]); }}
/*
* Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
*
* (C) Copyright IBM Corp. 1999 All Rights Reserved.
* Copyright 1997 The Open Group Research Institute. All rights reserved.
*/
package sun.security.krb5.internal;
import sun.security.krb5.PrincipalName;
import sun.security.krb5.KrbException;
import sun.security.krb5.Asn1Exception;
import sun.security.util.*;
import java.util.Vector;
import java.util.ArrayList;
import java.net.InetAddress;
import java.net.Inet4Address;
import java.net.Inet6Address;
import java.net.UnknownHostException;
import java.io.IOException;
import sun.security.krb5.internal.ccache.CCacheOutputStream;
/**
* Implements the ASN.1 HostAddresses type.
*
* <xmp>
* HostAddresses -- NOTE: subtly different from rfc1510,
* -- but has a value mapping and encodes the same
* ::= SEQUENCE OF HostAddress
*
* HostAddress ::= SEQUENCE {
* addr-type [0] Int32,
* address [1] OCTET STRING
* }
* </xmp>
*
* <p>
* This definition reflects the Network Working Group RFC 4120
* specification available at
* <a href="http://www.ietf.org/rfc/rfc4120.txt">
* http://www.ietf.org/rfc/rfc4120.txt</a>.
*/
public class HostAddresses implements Cloneable {
private static boolean DEBUG = sun.security.krb5.internal.Krb5.DEBUG;
private HostAddress[] addresses = null;
private volatile int hashCode = 0;
public HostAddresses(HostAddress[] new_addresses) throws IOException {
if (new_addresses != null) {
addresses = new HostAddress[new_addresses.length];
for (int i = 0; i < new_addresses.length; i++) {
if (new_addresses[i] == null) {
throw new IOException("Cannot create a HostAddress");
} else {
addresses[i] = (HostAddress)new_addresses[i].clone();
}
}
}
}
public HostAddresses() throws UnknownHostException {
addresses = new HostAddress[1];
addresses[0] = new HostAddress();
}
private HostAddresses(int dummy) {}
public HostAddresses(PrincipalName serverPrincipal)
throws UnknownHostException, KrbException {
String[] components = serverPrincipal.getNameStrings();
if (serverPrincipal.getNameType() != PrincipalName.KRB_NT_SRV_HST ||
components.length < 2)
throw new KrbException(Krb5.KRB_ERR_GENERIC, "Bad name");
String host = components[1];
InetAddress addr[] = InetAddress.getAllByName(host);
HostAddress hAddrs[] = new HostAddress[addr.length];
for (int i = 0; i < addr.length; i++) {
hAddrs[i] = new HostAddress(addr[i]);
}
addresses = hAddrs;
}
public Object clone() {
HostAddresses new_hostAddresses = new HostAddresses(0);
if (addresses != null) {
new_hostAddresses.addresses = new HostAddress[addresses.length];
for (int i = 0; i < addresses.length; i++) {
new_hostAddresses.addresses[i] =
(HostAddress)addresses[i].clone();
}
}
return new_hostAddresses;
}
public boolean inList(HostAddress addr) {
if (addresses != null) {
for (int i = 0; i < addresses.length; i++)
if (addresses[i].equals(addr))
return true;
}
return false;
}
public int hashCode() {
if (hashCode == 0) {
int result = 17;
if (addresses != null) {
for (int i=0; i < addresses.length; i++) {
result = 37*result + addresses[i].hashCode();
}
}
hashCode = result;
}
return hashCode;
}
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (!(obj instanceof HostAddresses)) {
return false;
}
HostAddresses addrs = (HostAddresses)obj;
if ((addresses == null && addrs.addresses != null) ||
(addresses != null && addrs.addresses == null))
return false;
if (addresses != null && addrs.addresses != null) {
if (addresses.length != addrs.addresses.length)
return false;
for (int i = 0; i < addresses.length; i++)
if (!addresses[i].equals(addrs.addresses[i]))
return false;
}
return true;
}
/**
* Constructs a new <code>HostAddresses</code> object.
* @param encoding a single DER-encoded value.
* @exception Asn1Exception if an error occurs while decoding an
* ASN1 encoded data.
* @exception IOException if an I/O error occurs while reading
* encoded data.
*/
public HostAddresses(DerValue encoding)
throws Asn1Exception, IOException {
Vector<HostAddress> tempAddresses = new Vector<>();
DerValue der = null;
while (encoding.getData().available() > 0) {
der = encoding.getData().getDerValue();
tempAddresses.addElement(new HostAddress(der));
}
if (tempAddresses.size() > 0) {
addresses = new HostAddress[tempAddresses.size()];
tempAddresses.copyInto(addresses);
}
}
/**
* Encodes a <code>HostAddresses</code> object.
* @return byte array of encoded <code>HostAddresses</code> object.
* @exception Asn1Exception if an error occurs while decoding an
* ASN1 encoded data.
* @exception IOException if an I/O error occurs while reading
* encoded data.
*/
public byte[] asn1Encode() throws Asn1Exception, IOException {
DerOutputStream bytes = new DerOutputStream();
DerOutputStream temp = new DerOutputStream();
if (addresses != null && addresses.length > 0) {
for (int i = 0; i < addresses.length; i++)
bytes.write(addresses[i].asn1Encode());
}
temp.write(DerValue.tag_Sequence, bytes);
return temp.toByteArray();
}
/**
* Parse (unmarshal) a <code>HostAddresses</code> from a DER input stream.
* This form
* parsing might be used when expanding a value which is part of
* a constructed sequence and uses explicitly tagged type.
*
* @exception Asn1Exception if an Asn1Exception occurs.
* @param data the Der input stream value, which contains one or more
* marshaled value.
* @param explicitTag tag number.
* @param optional indicates if this data field is optional.
* @return an instance of <code>HostAddresses</code>.
*/
public static HostAddresses parse(DerInputStream data,
byte explicitTag, boolean optional)
throws Asn1Exception, IOException {
if ((optional) &&
(((byte)data.peekByte() & (byte)0x1F) != explicitTag))
return null;
DerValue der = data.getDerValue();
if (explicitTag != (der.getTag() & (byte)0x1F)) {
throw new Asn1Exception(Krb5.ASN1_BAD_ID);
} else {
DerValue subDer = der.getData().getDerValue();
return new HostAddresses(subDer);
}
}
/**
* Writes data field values in <code>HostAddresses</code> in FCC
* format to a <code>CCacheOutputStream</code>.
*
* @param cos a <code>CCacheOutputStream</code> to be written to.
* @exception IOException if an I/O exception occurs.
* @see sun.security.krb5.internal.ccache.CCacheOutputStream
*/
public void writeAddrs(CCacheOutputStream cos) throws IOException {
cos.write32(addresses.length);
for (int i = 0; i < addresses.length; i++) {
cos.write16(addresses[i].addrType);
cos.write32(addresses[i].address.length);
cos.write(addresses[i].address, 0,
addresses[i].address.length);
}
}
public InetAddress[] getInetAddresses() {
if (addresses == null || addresses.length == 0)
return null;
ArrayList<InetAddress> ipAddrs = new ArrayList<>(addresses.length);
for (int i = 0; i < addresses.length; i++) {
try {
if ((addresses[i].addrType == Krb5.ADDRTYPE_INET) ||
(addresses[i].addrType == Krb5.ADDRTYPE_INET6)) {
ipAddrs.add(addresses[i].getInetAddress());
}
} catch (java.net.UnknownHostException e) {
// Should not happen since IP address given
return null;
}
}
InetAddress[] retVal = new InetAddress[ipAddrs.size()];
return ipAddrs.toArray(retVal);
}
/**
* Returns all the IP addresses of the local host.
*/
public static HostAddresses getLocalAddresses() throws IOException
{
String hostname = null;
InetAddress[] inetAddresses = null;
try {
InetAddress localHost = InetAddress.getLocalHost();
hostname = localHost.getHostName();
inetAddresses = InetAddress.getAllByName(hostname);
HostAddress[] hAddresses = new HostAddress[inetAddresses.length];
for (int i = 0; i < inetAddresses.length; i++)
{
hAddresses[i] = new HostAddress(inetAddresses[i]);
}
if (DEBUG) {
System.out.println(">>> KrbKdcReq local addresses for "
+ hostname + " are: ");
for (int i = 0; i < inetAddresses.length; i++) {
System.out.println("\n\t" + inetAddresses[i]);
if (inetAddresses[i] instanceof Inet4Address)
System.out.println("IPv4 address");
if (inetAddresses[i] instanceof Inet6Address)
System.out.println("IPv6 address");
}
}
return (new HostAddresses(hAddresses));
} catch (Exception exc) {
throw new IOException(exc.toString());
}
}
/**
* Creates a new HostAddresses instance from the supplied list
* of InetAddresses.
*/
public HostAddresses(InetAddress[] inetAddresses)
{
if (inetAddresses == null)
{
addresses = null;
return;
}
addresses = new HostAddress[inetAddresses.length];
for (int i = 0; i < inetAddresses.length; i++)
addresses[i] = new HostAddress(inetAddresses[i]);
}
}