src/java.security.jgss/share/classes/sun/security/krb5/internal/EncTicketPart.java
changeset 47216 71c04702a3d5
parent 32003 acb12269398a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.security.jgss/share/classes/sun/security/krb5/internal/EncTicketPart.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,220 @@
+/*
+ * 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.*;
+import sun.security.util.*;
+import java.util.Vector;
+import java.io.IOException;
+import java.io.*;
+
+/**
+ * Implements the ASN.1 EncTicketPart type.
+ *
+ * <pre>{@code
+ * EncTicketPart   ::= [APPLICATION 3] SEQUENCE {
+ *         flags                   [0] TicketFlags,
+ *         key                     [1] EncryptionKey,
+ *         crealm                  [2] Realm,
+ *         cname                   [3] PrincipalName,
+ *         transited               [4] TransitedEncoding,
+ *         authtime                [5] KerberosTime,
+ *         starttime               [6] KerberosTime OPTIONAL,
+ *         endtime                 [7] KerberosTime,
+ *         renew-till              [8] KerberosTime OPTIONAL,
+ *         caddr                   [9] HostAddresses OPTIONAL,
+ *         authorization-data      [10] AuthorizationData OPTIONAL
+ * }
+ * }</pre>
+ *
+ * <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 EncTicketPart {
+
+    public TicketFlags flags;
+    public EncryptionKey key;
+    public PrincipalName cname;
+    public TransitedEncoding transited;
+    public KerberosTime authtime;
+    public KerberosTime starttime; //optional
+    public KerberosTime endtime;
+    public KerberosTime renewTill; //optional
+    public HostAddresses caddr; //optional
+    public AuthorizationData authorizationData; //optional
+
+    public EncTicketPart(
+            TicketFlags new_flags,
+            EncryptionKey new_key,
+            PrincipalName new_cname,
+            TransitedEncoding new_transited,
+            KerberosTime new_authtime,
+            KerberosTime new_starttime,
+            KerberosTime new_endtime,
+            KerberosTime new_renewTill,
+            HostAddresses new_caddr,
+            AuthorizationData new_authorizationData) {
+        flags = new_flags;
+        key = new_key;
+        cname = new_cname;
+        transited = new_transited;
+        authtime = new_authtime;
+        starttime = new_starttime;
+        endtime = new_endtime;
+        renewTill = new_renewTill;
+        caddr = new_caddr;
+        authorizationData = new_authorizationData;
+    }
+
+    public EncTicketPart(byte[] data)
+            throws Asn1Exception, KrbException, IOException {
+        init(new DerValue(data));
+    }
+
+    public EncTicketPart(DerValue encoding)
+            throws Asn1Exception, KrbException, IOException {
+        init(encoding);
+    }
+
+    /**
+     * Initializes an EncTicketPart 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.
+     * @exception RealmException if an error occurs while parsing a Realm object.
+     */
+    private static String getHexBytes(byte[] bytes, int len)
+            throws IOException {
+
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < len; i++) {
+
+            int b1 = (bytes[i] >> 4) & 0x0f;
+            int b2 = bytes[i] & 0x0f;
+
+            sb.append(Integer.toHexString(b1));
+            sb.append(Integer.toHexString(b2));
+            sb.append(' ');
+        }
+        return sb.toString();
+    }
+
+    private void init(DerValue encoding)
+            throws Asn1Exception, IOException, RealmException {
+        DerValue der, subDer;
+
+        renewTill = null;
+        caddr = null;
+        authorizationData = null;
+        if (((encoding.getTag() & (byte) 0x1F) != (byte) 0x03)
+                || (encoding.isApplication() != true)
+                || (encoding.isConstructed() != true)) {
+            throw new Asn1Exception(Krb5.ASN1_BAD_ID);
+        }
+        der = encoding.getData().getDerValue();
+        if (der.getTag() != DerValue.tag_Sequence) {
+            throw new Asn1Exception(Krb5.ASN1_BAD_ID);
+        }
+        flags = TicketFlags.parse(der.getData(), (byte) 0x00, false);
+        key = EncryptionKey.parse(der.getData(), (byte) 0x01, false);
+        Realm crealm = Realm.parse(der.getData(), (byte) 0x02, false);
+        cname = PrincipalName.parse(der.getData(), (byte) 0x03, false, crealm);
+        transited = TransitedEncoding.parse(der.getData(), (byte) 0x04, false);
+        authtime = KerberosTime.parse(der.getData(), (byte) 0x05, false);
+        starttime = KerberosTime.parse(der.getData(), (byte) 0x06, true);
+        endtime = KerberosTime.parse(der.getData(), (byte) 0x07, false);
+        if (der.getData().available() > 0) {
+            renewTill = KerberosTime.parse(der.getData(), (byte) 0x08, true);
+        }
+        if (der.getData().available() > 0) {
+            caddr = HostAddresses.parse(der.getData(), (byte) 0x09, true);
+        }
+        if (der.getData().available() > 0) {
+            authorizationData = AuthorizationData.parse(der.getData(), (byte) 0x0A, true);
+        }
+        if (der.getData().available() > 0) {
+            throw new Asn1Exception(Krb5.ASN1_BAD_ID);
+        }
+
+    }
+
+    /**
+     * Encodes an EncTicketPart object.
+     * @return byte array of encoded EncTicketPart 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();
+        bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
+                true, (byte) 0x00), flags.asn1Encode());
+        bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
+                true, (byte) 0x01), key.asn1Encode());
+        bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
+                true, (byte) 0x02), cname.getRealm().asn1Encode());
+        bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
+                true, (byte) 0x03), cname.asn1Encode());
+        bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
+                true, (byte) 0x04), transited.asn1Encode());
+        bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
+                true, (byte) 0x05), authtime.asn1Encode());
+        if (starttime != null) {
+            bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
+                    true, (byte) 0x06), starttime.asn1Encode());
+        }
+        bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
+                true, (byte) 0x07), endtime.asn1Encode());
+
+        if (renewTill != null) {
+            bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
+                    true, (byte) 0x08), renewTill.asn1Encode());
+        }
+
+        if (caddr != null) {
+            bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
+                    true, (byte) 0x09), caddr.asn1Encode());
+        }
+
+        if (authorizationData != null) {
+            bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
+                    true, (byte) 0x0A), authorizationData.asn1Encode());
+        }
+        temp.write(DerValue.tag_Sequence, bytes);
+        bytes = new DerOutputStream();
+        bytes.write(DerValue.createTag(DerValue.TAG_APPLICATION,
+                true, (byte) 0x03), temp);
+        return bytes.toByteArray();
+    }
+}