src/java.security.jgss/share/classes/sun/security/krb5/internal/KrbCredInfo.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/KrbCredInfo.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,201 @@
+/*
+ * 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;
+
+/**
+ * Implements the ASN.1 KrbCredInfo type.
+ *
+ * <pre>{@code
+ * KrbCredInfo  ::= SEQUENCE {
+ *      key             [0] EncryptionKey,
+ *      prealm          [1] Realm OPTIONAL,
+ *      pname           [2] PrincipalName OPTIONAL,
+ *      flags           [3] TicketFlags OPTIONAL,
+ *      authtime        [4] KerberosTime OPTIONAL,
+ *      starttime       [5] KerberosTime OPTIONAL,
+ *      endtime         [6] KerberosTime OPTIONAL,
+ *      renew-till      [7] KerberosTime OPTIONAL,
+ *      srealm          [8] Realm OPTIONAL,
+ *      sname           [9] PrincipalName OPTIONAL,
+ *      caddr           [10] HostAddresses 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 KrbCredInfo {
+    public EncryptionKey key;
+    public PrincipalName pname; //optional
+    public TicketFlags flags; //optional
+    public KerberosTime authtime; //optional
+    public KerberosTime starttime; //optional
+    public KerberosTime endtime; //optional
+    public KerberosTime renewTill; //optional
+    public PrincipalName sname; //optional
+    public HostAddresses caddr; //optional
+
+    private KrbCredInfo() {
+    }
+
+    public KrbCredInfo(
+                       EncryptionKey new_key,
+                       PrincipalName new_pname,
+                       TicketFlags new_flags,
+                       KerberosTime new_authtime,
+                       KerberosTime new_starttime,
+                       KerberosTime new_endtime,
+                       KerberosTime new_renewTill,
+                       PrincipalName new_sname,
+                       HostAddresses new_caddr
+                           ) {
+        key = new_key;
+        pname = new_pname;
+        flags = new_flags;
+        authtime = new_authtime;
+        starttime = new_starttime;
+        endtime = new_endtime;
+        renewTill = new_renewTill;
+        sname = new_sname;
+        caddr = new_caddr;
+    }
+
+    /**
+     * Constructs a KrbCredInfo object.
+     * @param encoding a Der-encoded data.
+     * @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.
+     */
+    public KrbCredInfo(DerValue encoding)
+            throws Asn1Exception, IOException, RealmException{
+        if (encoding.getTag() != DerValue.tag_Sequence) {
+            throw new Asn1Exception(Krb5.ASN1_BAD_ID);
+        }
+        pname = null;
+        flags = null;
+        authtime = null;
+        starttime = null;
+        endtime = null;
+        renewTill = null;
+        sname = null;
+        caddr = null;
+        key = EncryptionKey.parse(encoding.getData(), (byte)0x00, false);
+        Realm prealm = null, srealm = null;
+        if (encoding.getData().available() > 0)
+            prealm = Realm.parse(encoding.getData(), (byte)0x01, true);
+        if (encoding.getData().available() > 0)
+            pname = PrincipalName.parse(encoding.getData(), (byte)0x02, true, prealm);
+        if (encoding.getData().available() > 0)
+            flags = TicketFlags.parse(encoding.getData(), (byte)0x03, true);
+        if (encoding.getData().available() > 0)
+            authtime = KerberosTime.parse(encoding.getData(), (byte)0x04, true);
+        if (encoding.getData().available() > 0)
+            starttime = KerberosTime.parse(encoding.getData(), (byte)0x05, true);
+        if (encoding.getData().available() > 0)
+            endtime = KerberosTime.parse(encoding.getData(), (byte)0x06, true);
+        if (encoding.getData().available() > 0)
+            renewTill = KerberosTime.parse(encoding.getData(), (byte)0x07, true);
+        if (encoding.getData().available() > 0)
+            srealm = Realm.parse(encoding.getData(), (byte)0x08, true);
+        if (encoding.getData().available() > 0)
+            sname = PrincipalName.parse(encoding.getData(), (byte)0x09, true, srealm);
+        if (encoding.getData().available() > 0)
+            caddr = HostAddresses.parse(encoding.getData(), (byte)0x0A, true);
+        if (encoding.getData().available() > 0)
+            throw new Asn1Exception(Krb5.ASN1_BAD_ID);
+    }
+
+    /**
+     * Encodes an KrbCredInfo object.
+     * @return the byte array of encoded KrbCredInfo 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 {
+        Vector<DerValue> v = new Vector<>();
+        v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x00), key.asn1Encode()));
+        if (pname != null) {
+            v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x01), pname.getRealm().asn1Encode()));
+            v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x02), pname.asn1Encode()));
+        }
+        if (flags != null)
+            v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x03), flags.asn1Encode()));
+        if (authtime != null)
+            v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x04), authtime.asn1Encode()));
+        if (starttime != null)
+            v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x05), starttime.asn1Encode()));
+        if (endtime != null)
+            v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x06), endtime.asn1Encode()));
+        if (renewTill != null)
+            v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x07), renewTill.asn1Encode()));
+        if (sname != null) {
+            v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x08), sname.getRealm().asn1Encode()));
+            v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x09), sname.asn1Encode()));
+        }
+        if (caddr != null)
+            v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x0A), caddr.asn1Encode()));
+        DerValue[] der = new DerValue[v.size()];
+        v.copyInto(der);
+        DerOutputStream out = new DerOutputStream();
+        out.putSequence(der);
+        return out.toByteArray();
+    }
+
+    public Object clone() {
+        KrbCredInfo kcred = new KrbCredInfo();
+        kcred.key = (EncryptionKey)key.clone();
+        // optional fields
+        if (pname != null)
+            kcred.pname = (PrincipalName)pname.clone();
+        if (flags != null)
+            kcred.flags = (TicketFlags)flags.clone();
+        kcred.authtime = authtime;
+        kcred.starttime = starttime;
+        kcred.endtime = endtime;
+        kcred.renewTill = renewTill;
+        if (sname != null)
+            kcred.sname = (PrincipalName)sname.clone();
+        if (caddr != null)
+            kcred.caddr = (HostAddresses)caddr.clone();
+        return kcred;
+    }
+
+}