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// --- 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.extensions;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.security.cert.CertificateException;
import java.util.Enumeration;
import java.util.Vector;
import netscape.security.util.DerOutputStream;
import netscape.security.util.DerValue;
import netscape.security.util.ObjectIdentifier;
import netscape.security.x509.CertAttrSet;
import netscape.security.x509.Extension;
import netscape.security.x509.OIDMap;
/**
* This represents the extended key usage extension.
*/
public class ExtendedKeyUsageExtension extends Extension implements CertAttrSet {
/**
*
*/
private static final long serialVersionUID = 765403075764697489L;
public static final String OID = "2.5.29.37";
public static final String NAME = OIDMap.EXT_KEY_USAGE_NAME;
public static final String OID_OCSPSigning = "1.3.6.1.5.5.7.3.9";
public static final String OID_CODESigning = "1.3.6.1.5.5.7.3.3";
public static final int OID_OCSP_SIGNING_STR[] =
{ 1, 3, 6, 1, 5, 5, 7, 3, 9 };
public static final ObjectIdentifier OID_OCSP_SIGNING = new
ObjectIdentifier(OID_OCSP_SIGNING_STR);
public static final int OID_CODE_SIGNING_STR[] =
{ 1, 3, 6, 1, 5, 5, 7, 3, 3 };
public static final ObjectIdentifier OID_CODE_SIGNING = new
ObjectIdentifier(OID_OCSP_SIGNING_STR);
private Vector<ObjectIdentifier> oidSet = null;
private byte mCached[] = null;
static {
try {
OIDMap.addAttribute(ExtendedKeyUsageExtension.class.getName(),
OID, ExtendedKeyUsageExtension.NAME);
} catch (CertificateException e) {
}
}
public ExtendedKeyUsageExtension() {
this(false, null);
}
public ExtendedKeyUsageExtension(boolean crit, Vector<ObjectIdentifier> oids) {
try {
extensionId = ObjectIdentifier.getObjectIdentifier(OID);
} catch (IOException e) {
// never here
}
critical = crit;
if (oids != null) {
oidSet = new Vector<ObjectIdentifier>(oids);
} else {
oidSet = new Vector<ObjectIdentifier>();
}
encodeExtValue();
}
public ExtendedKeyUsageExtension(Boolean crit, Object byteVal)
throws IOException {
extensionId = ObjectIdentifier.getObjectIdentifier(OID);
critical = crit.booleanValue();
extensionValue = ((byte[]) byteVal).clone();
decodeThis();
}
public void setCritical(boolean newValue) {
if (critical != newValue) {
critical = newValue;
mCached = null;
}
}
public Enumeration<ObjectIdentifier> getOIDs() {
if (oidSet == null)
return null;
return oidSet.elements();
}
public void deleteAllOIDs() {
if (oidSet == null)
return;
oidSet.clear();
}
public void addOID(ObjectIdentifier oid) {
if (oidSet == null) {
oidSet = new Vector<ObjectIdentifier>();
}
if (oidSet.contains(oid))
return;
oidSet.addElement(oid);
mCached = null;
}
public void encode(DerOutputStream out) throws IOException {
if (mCached == null) {
encodeExtValue();
super.encode(out);
mCached = out.toByteArray();
}
}
public String toString() {
String presentation = "oid=" + ExtendedKeyUsageExtension.OID + " ";
if (critical) {
presentation += "critical=true";
}
if (extensionValue != null) {
StringBuffer extByteValue = new StringBuffer(" val=");
for (int i = 0; i < extensionValue.length; i++) {
extByteValue.append(extensionValue[i] + " ");
}
presentation += extByteValue.toString();
}
return presentation;
}
public void decode(InputStream in)
throws CertificateException, IOException {
}
public void encode(OutputStream out)
throws CertificateException, IOException {
if (mCached == null) {
DerOutputStream temp = new DerOutputStream();
encode(temp);
}
out.write(mCached);
}
public void set(String name, Object obj)
throws CertificateException, IOException {
// NOT USED
}
public Object get(String name) throws CertificateException, IOException {
// NOT USED
return null;
}
public Enumeration<String> getAttributeNames() {
return null;
}
public String getName() {
return NAME;
}
public void delete(String name)
throws CertificateException, IOException {
// NOT USED
}
private void decodeThis() throws IOException {
DerValue val = new DerValue(this.extensionValue);
if (val.tag != DerValue.tag_Sequence) {
throw new IOException("Invalid encoding of AuthInfoAccess extension");
}
if (oidSet == null)
oidSet = new Vector<ObjectIdentifier>();
while (val.data.available() != 0) {
DerValue oidVal = val.data.getDerValue();
oidSet.addElement(oidVal.getOID());
}
}
private void encodeExtValue() {
DerOutputStream out = new DerOutputStream();
DerOutputStream temp = new DerOutputStream();
if (!oidSet.isEmpty()) {
Enumeration<ObjectIdentifier> oidList = oidSet.elements();
try {
while (oidList.hasMoreElements()) {
temp.putOID(oidList.nextElement());
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
try {
out.write(DerValue.tag_Sequence, temp);
} catch (IOException ex) {
}
extensionValue = out.toByteArray();
}
}
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