1 files changed, 286 insertions, 0 deletions
diff --git a/base/util/src/netscape/security/x509/SubjectDirAttributesExtension.java b/base/util/src/netscape/security/x509/SubjectDirAttributesExtension.java
new file mode 100644
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--- /dev/null
+++ b/base/util/src/netscape/security/x509/SubjectDirAttributesExtension.java
@@ -0,0 +1,286 @@
+// --- BEGIN COPYRIGHT BLOCK ---
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; version 2 of the License.
+//
+// This program 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 for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this program; if not, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+//
+// (C) 2007 Red Hat, Inc.
+// All rights reserved.
+// --- END COPYRIGHT BLOCK ---
+package netscape.security.x509;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.lang.reflect.Array;
+import java.util.Enumeration;
+import java.util.Vector;
+
+import netscape.security.util.DerOutputStream;
+import netscape.security.util.DerValue;
+
+/**
+ * This class represents the Subject Directory Attributes Extension.
+ * 
+ * <p>
+ * The subject directory attributes extension is not recommended as an essential part of this profile, but it may be
+ * used in local environments. This extension MUST be non-critical.
+ * 
+ * <pre>
+ * The ASN.1 syntax for this extension is:
+ * 
+ *    SubjectDirectoryAttributes ::= SEQUENCE (1..MAX) OF Attribute
+ * 
+ *    Attribute	::= SEQUENCE {
+ * type		AttributeType,
+ * 	value		SET OF AttributeValue
+ *              	-- at least one value is required --}
+ * 
+ *    AttributeType	::= OBJECT IDENTIFIER
+ * 
+ *    AttributeValue	::= ANY
+ * 
+ * </pre>
+ * 
+ * @author Christine Ho
+ * @version 1.7
+ * 
+ * @see CertAttrSet
+ * @see Extension
+ */
+public class SubjectDirAttributesExtension extends Extension
+        implements CertAttrSet {
+
+    /**
+     *
+     */
+    private static final long serialVersionUID = -1215458115428197688L;
+
+    /**
+     * Identifier for this attribute, to be used with the
+     * get, set, delete methods of Certificate, x509 type.
+     */
+    //public static final String IDENT = "x509.info.extensions.SubjectDirectoryAttributes";
+    public static final String IDENT = "Subject Directory Attributes";
+
+    /**
+     * Attribute names.
+     */
+    public static final String NAME = "SubjectDirectoryAttributes";
+
+    // Private data members
+    private Vector<Attribute> attrList = new Vector<Attribute>();
+
+    // Encode this extension value
+    private void encodeThis() throws IOException {
+        DerOutputStream out = new DerOutputStream();
+        DerOutputStream tmp = new DerOutputStream();
+
+        //encoding the attributes
+        Enumeration<Attribute> attrs = attrList.elements();
+        while (attrs.hasMoreElements()) {
+            Attribute attr = attrs.nextElement();
+            attr.encode(tmp);
+        }
+
+        out.write(DerValue.tag_SequenceOf, tmp);
+        this.extensionValue = out.toByteArray();
+    }
+
+    // Decode this extension value
+    private void decodeThis(DerValue derVal) throws IOException {
+
+        if (derVal.tag != DerValue.tag_Sequence) {
+            throw new IOException("Invalid encoding for " +
+                    "Subject Directory Attribute extension.");
+        }
+
+        if (derVal.data.available() == 0) {
+            throw new IOException(NAME + " No data available in "
+                                   + "passed DER encoded value.");
+        }
+
+        // Decode all the Attributes
+        while (derVal.data.available() != 0) {
+            DerValue encAttr = derVal.data.getDerValue();
+            Attribute attr = new Attribute(encAttr);
+            attrList.addElement(attr);
+        }
+    }
+
+    /**
+     * Default constructor for this object.
+     * 
+     * @param derVal Der encoded value of this extension
+     */
+    public SubjectDirAttributesExtension(DerValue derVal) throws IOException {
+
+        this.extensionId = PKIXExtensions.SubjectDirectoryAttributes_Id;
+        this.critical = false;
+        decodeThis(derVal);
+    }
+
+    /**
+     * Default constructor for this object.
+     * 
+     * @param list Attribute object list
+     */
+    public SubjectDirAttributesExtension(Attribute[] list) throws IOException {
+
+        this.extensionId = PKIXExtensions.SubjectDirectoryAttributes_Id;
+        this.critical = false;
+
+        if ((list == null) || (list.length == 0)) {
+            throw new IOException("No data available in "
+                                   + "passed Attribute List.");
+        }
+
+        // add the Attributes
+        for (int i = 0; i < list.length; i++) {
+            attrList.addElement(list[i]);
+        }
+    }
+
+    /**
+     * Constructor from parsing extension
+     * 
+     * @param list Attribute object list
+     */
+    public SubjectDirAttributesExtension(Boolean crit, Object value)
+            throws IOException {
+
+        this.extensionId = PKIXExtensions.SubjectDirectoryAttributes_Id;
+        this.critical = crit.booleanValue();
+
+        if (!(value instanceof byte[]))
+            throw new IOException(NAME + "Illegal argument type");
+        int len = Array.getLength(value);
+        byte[] extValue = new byte[len];
+        System.arraycopy(value, 0, extValue, 0, len);
+
+        this.extensionValue = extValue;
+        decodeThis(new DerValue(extValue));
+    }
+
+    /**
+     * Constructor for this object.
+     * 
+     * @param list Attribute object list
+     * @param critical The criticality
+     */
+    public SubjectDirAttributesExtension(Attribute[] list, boolean critical)
+            throws IOException {
+
+        this.extensionId = PKIXExtensions.SubjectDirectoryAttributes_Id;
+        this.critical = critical;
+
+        if ((list == null) || (list.length == 0)) {
+            throw new IOException("No data available in "
+                                   + "passed Attribute List.");
+        }
+
+        // add the Attributes
+        for (int i = 0; i < list.length; i++) {
+            attrList.addElement(list[i]);
+        }
+    }
+
+    /**
+     * Return user readable form of extension.
+     */
+    public String toString() {
+        String s = super.toString() + "SubjectDirectoryAttributes:[\n";
+
+        Enumeration<Attribute> attrs = attrList.elements();
+        while (attrs.hasMoreElements()) {
+            Attribute attr = attrs.nextElement();
+            s += attr.toString();
+        }
+
+        return (s + "]\n");
+    }
+
+    /**
+     * Decode the extension from the InputStream.
+     * 
+     * @param in the InputStream to unmarshal the contents from.
+     * @exception IOException on decoding or validity errors.
+     */
+    public void decode(InputStream in) throws IOException {
+        DerValue val = new DerValue(in);
+        decodeThis(val);
+    }
+
+    /**
+     * Encode this extension value to the output stream.
+     * 
+     * @param out the DerOutputStream to encode the extension to.
+     */
+    public void encode(OutputStream out) throws IOException {
+        DerOutputStream tmp = new DerOutputStream();
+        if (extensionValue == null) {
+            this.extensionId = PKIXExtensions.SubjectDirectoryAttributes_Id;
+            this.critical = false;
+            encodeThis();
+        }
+        super.encode(tmp);
+        out.write(tmp.toByteArray());
+    }
+
+    /**
+     * Set the attribute value.
+     */
+    public void set(String name, Object obj) throws IOException {
+        throw new IOException("Attribute name not recognized by " +
+                "CertAttrSet:SubjectDirectoryAttributes.");
+    }
+
+    /**
+     * Get the attribute value.
+     */
+    public Object get(String name) throws IOException {
+        throw new IOException("Attribute name not recognized by " +
+                "CertAttrSet:SubjectDirectoryAttributes.");
+    }
+
+    /**
+     * Delete the attribute value.
+     */
+    public void delete(String name) throws IOException {
+        throw new IOException("Attribute name not recognized by " +
+                "CertAttrSet:SubjectDirectoryAttributes.");
+    }
+
+    /**
+     * Return an enumeration of names of attributes existing within this
+     * attribute.
+     */
+    public Enumeration<String> getAttributeNames() {
+        Vector<String> elements = new Vector<String>();
+        return (elements.elements());
+    }
+
+    /**
+     * Return the name of this attribute.
+     */
+    public String getName() {
+        return (NAME);
+    }
+
+    /**
+     * Returns an enumeration of attributes in the extension.
+     */
+    public Enumeration<Attribute> getAttributesList() {
+        if (attrList == null)
+            return null;
+        return attrList.elements();
+    }
+}