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8187443: Forest Consolidation: Move files to unified layout
Reviewed-by: darcy, ihse
This commit is contained in:
Erik Joelsson
parent
270fe13182
commit
3789983e89
56923 changed files with 3 additions and 15727 deletions
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@ -0,0 +1,314 @@
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/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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*
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* (C) Copyright IBM Corp. 1999 All Rights Reserved.
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* Copyright 1997 The Open Group Research Institute. All rights reserved.
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*/
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package sun.security.krb5.internal;
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import sun.security.krb5.Asn1Exception;
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import sun.security.krb5.Config;
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import sun.security.krb5.KrbException;
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import sun.security.util.DerInputStream;
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import sun.security.util.DerOutputStream;
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import sun.security.util.DerValue;
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import java.io.IOException;
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import java.time.Instant;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.TimeZone;
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/**
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* Implements the ASN.1 KerberosTime type. This is an immutable class.
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*
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* {@code KerberosTime ::= GeneralizedTime} -- with no fractional seconds
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*
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* The timestamps used in Kerberos are encoded as GeneralizedTimes. A
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* KerberosTime value shall not include any fractional portions of the
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* seconds. As required by the DER, it further shall not include any
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* separators, and it shall specify the UTC time zone (Z).
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*
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* <p>
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* This definition reflects the Network Working Group RFC 4120
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* specification available at
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* <a href="http://www.ietf.org/rfc/rfc4120.txt">
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* http://www.ietf.org/rfc/rfc4120.txt</a>.
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*
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* The implementation also includes the microseconds info so that the
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* same class can be used as a precise timestamp in Authenticator etc.
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*/
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public class KerberosTime {
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private final long kerberosTime; // milliseconds since epoch, Date.getTime()
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private final int microSeconds; // last 3 digits of the real microsecond
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// The time when this class is loaded. Used in setNow()
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private static long initMilli = System.currentTimeMillis();
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private static long initMicro = System.nanoTime() / 1000;
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private static boolean DEBUG = Krb5.DEBUG;
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// Do not make this public. It's a little confusing that micro
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// is only the last 3 digits of microsecond.
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private KerberosTime(long time, int micro) {
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kerberosTime = time;
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microSeconds = micro;
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}
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/**
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* Creates a KerberosTime object from milliseconds since epoch.
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*/
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public KerberosTime(long time) {
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this(time, 0);
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}
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// This constructor is used in the native code
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// src/windows/native/sun/security/krb5/NativeCreds.c
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public KerberosTime(String time) throws Asn1Exception {
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this(toKerberosTime(time), 0);
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}
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private static long toKerberosTime(String time) throws Asn1Exception {
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// ASN.1 GeneralizedTime format:
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// "19700101000000Z"
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// | | | | | | |
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// 0 4 6 8 | | |
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// 10 | |
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// 12 |
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// 14
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if (time.length() != 15)
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throw new Asn1Exception(Krb5.ASN1_BAD_TIMEFORMAT);
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if (time.charAt(14) != 'Z')
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throw new Asn1Exception(Krb5.ASN1_BAD_TIMEFORMAT);
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int year = Integer.parseInt(time.substring(0, 4));
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Calendar calendar = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
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calendar.clear(); // so that millisecond is zero
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calendar.set(year,
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Integer.parseInt(time.substring(4, 6)) - 1,
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Integer.parseInt(time.substring(6, 8)),
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Integer.parseInt(time.substring(8, 10)),
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Integer.parseInt(time.substring(10, 12)),
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Integer.parseInt(time.substring(12, 14)));
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return calendar.getTimeInMillis();
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}
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/**
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* Creates a KerberosTime object from a Date object.
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*/
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public KerberosTime(Date time) {
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this(time.getTime(), 0);
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}
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/**
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* Creates a KerberosTime object from an Instant object
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*/
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public KerberosTime(Instant instant) {
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this(instant.getEpochSecond()*1000 + instant.getNano()/1000000L,
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instant.getNano()/1000%1000);
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}
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/**
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* Creates a KerberosTime object for now. It uses System.nanoTime()
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* to get a more precise time than "new Date()".
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*/
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public static KerberosTime now() {
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long newMilli = System.currentTimeMillis();
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long newMicro = System.nanoTime() / 1000;
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long microElapsed = newMicro - initMicro;
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long calcMilli = initMilli + microElapsed/1000;
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if (calcMilli - newMilli > 100 || newMilli - calcMilli > 100) {
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if (DEBUG) {
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System.out.println("System time adjusted");
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}
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initMilli = newMilli;
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initMicro = newMicro;
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return new KerberosTime(newMilli, 0);
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} else {
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return new KerberosTime(calcMilli, (int)(microElapsed % 1000));
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}
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}
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/**
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* Returns a string representation of KerberosTime object.
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* @return a string representation of this object.
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*/
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public String toGeneralizedTimeString() {
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Calendar calendar = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
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calendar.clear();
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calendar.setTimeInMillis(kerberosTime);
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return String.format("%04d%02d%02d%02d%02d%02dZ",
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calendar.get(Calendar.YEAR),
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calendar.get(Calendar.MONTH) + 1,
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calendar.get(Calendar.DAY_OF_MONTH),
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calendar.get(Calendar.HOUR_OF_DAY),
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calendar.get(Calendar.MINUTE),
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calendar.get(Calendar.SECOND));
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}
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/**
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* Encodes this object to a byte array.
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* @return a byte array of encoded data.
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* @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
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* @exception IOException if an I/O error occurs while reading encoded data.
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*/
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public byte[] asn1Encode() throws Asn1Exception, IOException {
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DerOutputStream out = new DerOutputStream();
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out.putGeneralizedTime(this.toDate());
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return out.toByteArray();
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}
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public long getTime() {
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return kerberosTime;
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}
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public Date toDate() {
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return new Date(kerberosTime);
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}
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public int getMicroSeconds() {
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int temp_int = (int) ((kerberosTime % 1000L) * 1000L);
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return temp_int + microSeconds;
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}
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/**
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* Returns a new KerberosTime object with the original seconds
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* and the given microseconds.
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*/
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public KerberosTime withMicroSeconds(int usec) {
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return new KerberosTime(
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kerberosTime - kerberosTime%1000L + usec/1000L,
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usec%1000);
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}
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private boolean inClockSkew(int clockSkew) {
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return java.lang.Math.abs(kerberosTime - System.currentTimeMillis())
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<= clockSkew * 1000L;
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}
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public boolean inClockSkew() {
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return inClockSkew(getDefaultSkew());
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}
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public boolean greaterThanWRTClockSkew(KerberosTime time, int clockSkew) {
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if ((kerberosTime - time.kerberosTime) > clockSkew * 1000L)
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return true;
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return false;
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}
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public boolean greaterThanWRTClockSkew(KerberosTime time) {
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return greaterThanWRTClockSkew(time, getDefaultSkew());
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}
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public boolean greaterThan(KerberosTime time) {
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return kerberosTime > time.kerberosTime ||
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kerberosTime == time.kerberosTime &&
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microSeconds > time.microSeconds;
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}
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public boolean equals(Object obj) {
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if (this == obj) {
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return true;
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}
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if (!(obj instanceof KerberosTime)) {
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return false;
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}
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return kerberosTime == ((KerberosTime)obj).kerberosTime &&
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microSeconds == ((KerberosTime)obj).microSeconds;
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}
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public int hashCode() {
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int result = 37 * 17 + (int)(kerberosTime ^ (kerberosTime >>> 32));
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return result * 17 + microSeconds;
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}
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public boolean isZero() {
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return kerberosTime == 0 && microSeconds == 0;
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}
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public int getSeconds() {
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return (int) (kerberosTime / 1000L);
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}
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/**
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* Parse (unmarshal) a kerberostime from a DER input stream. This form
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* parsing might be used when expanding a value which is part of
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* a constructed sequence and uses explicitly tagged type.
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*
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* @exception Asn1Exception on error.
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* @param data the Der input stream value, which contains
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* one or more marshaled value.
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* @param explicitTag tag number.
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* @param optional indicates if this data field is optional
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* @return an instance of KerberosTime.
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*
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*/
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public static KerberosTime parse(
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DerInputStream data, byte explicitTag, boolean optional)
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throws Asn1Exception, IOException {
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if ((optional) && (((byte)data.peekByte() & (byte)0x1F)!= explicitTag))
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return null;
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DerValue der = data.getDerValue();
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if (explicitTag != (der.getTag() & (byte)0x1F)) {
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throw new Asn1Exception(Krb5.ASN1_BAD_ID);
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}
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else {
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DerValue subDer = der.getData().getDerValue();
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Date temp = subDer.getGeneralizedTime();
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return new KerberosTime(temp.getTime(), 0);
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}
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}
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public static int getDefaultSkew() {
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int tdiff = Krb5.DEFAULT_ALLOWABLE_CLOCKSKEW;
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try {
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if ((tdiff = Config.getInstance().getIntValue(
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"libdefaults", "clockskew"))
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== Integer.MIN_VALUE) { //value is not defined
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tdiff = Krb5.DEFAULT_ALLOWABLE_CLOCKSKEW;
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}
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} catch (KrbException e) {
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if (DEBUG) {
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System.out.println("Exception in getting clockskew from " +
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"Configuration " +
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"using default value " +
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e.getMessage());
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}
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}
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return tdiff;
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}
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public String toString() {
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return toGeneralizedTimeString();
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}
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}
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