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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 com.netscape.cms.crl;
import java.util.*;
import java.io.*;
import java.security.cert.CertificateException;
import java.security.cert.CertificateParsingException;
import netscape.security.x509.*;
import com.netscape.certsrv.base.IConfigStore;
import com.netscape.certsrv.authority.*;
import com.netscape.certsrv.base.IExtendedPluginInfo;
import com.netscape.certsrv.common.NameValuePairs;
import com.netscape.certsrv.dbs.crldb.*;
import com.netscape.certsrv.ca.*;
import com.netscape.certsrv.logging.*;
import com.netscape.certsrv.apps.*;
/**
* This represents an authority key identifier extension.
*
* @version $Revision$, $Date$
*/
public class CMSAuthorityKeyIdentifierExtension
implements ICMSCRLExtension, IExtendedPluginInfo {
private ILogger mLogger = CMS.getLogger();
public CMSAuthorityKeyIdentifierExtension() {
}
public Extension setCRLExtensionCriticality(Extension ext,
boolean critical) {
AuthorityKeyIdentifierExtension authKeyIdExt = null;
KeyIdentifier keyId = null;
GeneralNames names = null;
SerialNumber sn = null;
try {
keyId = (KeyIdentifier) ((AuthorityKeyIdentifierExtension) ext).get(
AuthorityKeyIdentifierExtension.KEY_ID);
names = (GeneralNames) ((AuthorityKeyIdentifierExtension) ext).get(
AuthorityKeyIdentifierExtension.AUTH_NAME);
sn = (SerialNumber) ((AuthorityKeyIdentifierExtension) ext).get(
AuthorityKeyIdentifierExtension.SERIAL_NUMBER);
authKeyIdExt = new AuthorityKeyIdentifierExtension(critical, keyId, names, sn);
} catch (IOException e) {
log(ILogger.LL_FAILURE, CMS.getLogMessage("CRL_CREATE_AKI_EXT", e.toString()));
}
return authKeyIdExt;
}
public Extension getCRLExtension(IConfigStore config,
Object ip,
boolean critical) {
AuthorityKeyIdentifierExtension authKeyIdExt = null;
ICRLIssuingPoint crlIssuingPoint = (ICRLIssuingPoint) ip;
try {
KeyIdentifier keyId = null;
try {
X509CertInfo info = (X509CertInfo)
((ICertificateAuthority) crlIssuingPoint.getCertificateAuthority()).getCACert().get(
X509CertImpl.NAME + "." + X509CertImpl.INFO);
if (info != null) {
CertificateExtensions caCertExtensions = (CertificateExtensions)
info.get(X509CertInfo.EXTENSIONS);
if (caCertExtensions != null) {
for (int i = 0; i < caCertExtensions.size(); i++) {
Extension caCertExt = (Extension) caCertExtensions.elementAt(i);
if (caCertExt instanceof SubjectKeyIdentifierExtension) {
SubjectKeyIdentifierExtension id =
(SubjectKeyIdentifierExtension) caCertExt;
keyId = (KeyIdentifier)
id.get(SubjectKeyIdentifierExtension.KEY_ID);
}
}
}
}
} catch (CertificateParsingException e) {
log(ILogger.LL_FAILURE, CMS.getLogMessage("CRL_CERT_PARSING_ERROR", e.toString()));
} catch (CertificateException e) {
log(ILogger.LL_FAILURE, CMS.getLogMessage("CRL_CERT_CERT_EXCEPTION", e.toString()));
}
if (keyId != null) {
authKeyIdExt = new AuthorityKeyIdentifierExtension(critical, keyId, null, null);
} else {
GeneralNames gNames = new GeneralNames();
gNames.addElement(((ICertificateAuthority) crlIssuingPoint.getCertificateAuthority()).getX500Name());
authKeyIdExt = new AuthorityKeyIdentifierExtension(critical, null, gNames,
new SerialNumber(((ICertificateAuthority) crlIssuingPoint.getCertificateAuthority()).getCACert().getSerialNumber()));
}
} catch (IOException e) {
log(ILogger.LL_FAILURE, CMS.getLogMessage("CRL_CREATE_AKI_EXT", e.toString()));
}
return authKeyIdExt;
}
public String getCRLExtOID() {
return PKIXExtensions.AuthorityKey_Id.toString();
}
public void getConfigParams(IConfigStore config, NameValuePairs nvp) {
}
public String[] getExtendedPluginInfo(Locale locale) {
String[] params = {
//"type;choice(CRLExtension,CRLEntryExtension);CRL Extension Type. "+
//"This field is not editable.",
"enable;boolean;Check to enable Authority Key Identifier CRL extension.",
"critical;boolean;Set criticality for Authority Key Identifier CRL extension.",
IExtendedPluginInfo.HELP_TOKEN +
";configuration-ca-edit-crlextension-authoritykeyidentifier",
IExtendedPluginInfo.HELP_TEXT +
";The authority key identifier extension provides a means " +
"of identifying the public key corresponding to the private " +
"key used to sign a CRL."
};
return params;
}
private void log(int level, String msg) {
mLogger.log(ILogger.EV_SYSTEM, null, ILogger.S_CA, level,
"CMSAuthorityKeyIdentifierExtension - " + msg);
}
}
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