diff options
Diffstat (limited to 'pki/base/common/src/com/netscape/cms/policy/extensions/ExtendedKeyUsageExt.java')
-rw-r--r-- | pki/base/common/src/com/netscape/cms/policy/extensions/ExtendedKeyUsageExt.java | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/pki/base/common/src/com/netscape/cms/policy/extensions/ExtendedKeyUsageExt.java b/pki/base/common/src/com/netscape/cms/policy/extensions/ExtendedKeyUsageExt.java new file mode 100644 index 000000000..83de8e25d --- /dev/null +++ b/pki/base/common/src/com/netscape/cms/policy/extensions/ExtendedKeyUsageExt.java @@ -0,0 +1,265 @@ +// --- 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.policy.extensions; + + +import com.netscape.certsrv.request.*; +import com.netscape.certsrv.base.*; +import com.netscape.certsrv.policy.*; +import com.netscape.certsrv.logging.ILogger; +import com.netscape.certsrv.apps.*; +import netscape.security.x509.*; +import netscape.security.extensions.*; +import netscape.security.util.*; +import java.security.cert.*; +import java.io.*; +import java.util.*; +import com.netscape.cms.policy.APolicyRule; + + +/** + * This implements the extended key usage extension. + * + * @version $Revision: 14561 $, $Date: 2007-05-01 10:28:56 -0700 (Tue, 01 May 2007) $ + */ +public class ExtendedKeyUsageExt extends APolicyRule + implements IEnrollmentPolicy, IExtendedPluginInfo { + public static final String PROP_CRITICAL = "critical"; + protected static final String PROP_PURPOSE_ID = "id"; + protected static final String PROP_NUM_IDS = "numIds"; + protected static int MAX_PURPOSE_ID = 10; + private boolean mCritical = false; + private IConfigStore mConfig = null; + private Vector mUsages = null; + + private String[] mParams = null; + + // PKIX specifies the that the extension SHOULD NOT be critical + public static final boolean DEFAULT_CRITICALITY = false; + + private ExtendedKeyUsageExtension mExtendedKeyUsage = null; + + /** + * Constructs extended Key Usage extension. + */ + public ExtendedKeyUsageExt() { + NAME = "ExtendedKeyUsageExt"; + DESC = "Sets ExtendedKeyUsage extension for certificates"; + } + + /** + * Performs one-time initialization of the policy. + */ + public void init(ISubsystem owner, IConfigStore config) + throws EBaseException { + mConfig = config; + setExtendedPluginInfo(); + setupParams(); + mExtendedKeyUsage = new ExtendedKeyUsageExtension(mCritical, mUsages); + } + + /** + * Applies the policy to the given request. + */ + public PolicyResult apply(IRequest req) { + + // if the extension was not configured correctly, just skip it + if (mExtendedKeyUsage == null) { + return PolicyResult.ACCEPTED; + } + + X509CertInfo[] ci = + req.getExtDataInCertInfoArray(IRequest.CERT_INFO); + + if (ci == null || ci[0] == null) { + setError(req, CMS.getUserMessage("CMS_POLICY_NO_CERT_INFO"), NAME); + return PolicyResult.REJECTED; + } + + for (int i = 0; i < ci.length; i++) { + PolicyResult certRes = applyCert(req, ci[i]); + + if (certRes == PolicyResult.REJECTED) + return certRes; + } + return PolicyResult.ACCEPTED; + } + + public PolicyResult applyCert(IRequest req, X509CertInfo certInfo) { + try { + // find the extensions in the certInfo + CertificateExtensions extensions = (CertificateExtensions) + certInfo.get(X509CertInfo.EXTENSIONS); + + // prepare the extensions data structure + if (extensions == null) { + certInfo.set(X509CertInfo.VERSION, + new CertificateVersion(CertificateVersion.V3)); + extensions = new CertificateExtensions(); + certInfo.set(X509CertInfo.VERSION, + new CertificateVersion(CertificateVersion.V3)); + certInfo.set(X509CertInfo.EXTENSIONS, extensions); + } else { + try { + extensions.delete(ExtendedKeyUsageExtension.NAME); + } catch (IOException ex) { + // ExtendedKeyUsage extension is not already there + } + } + + extensions.set(ExtendedKeyUsageExtension.NAME, mExtendedKeyUsage); + + return PolicyResult.ACCEPTED; + } catch (IOException e) { + log(ILogger.LL_FAILURE, CMS.getLogMessage("BASE_IO_ERROR", e.getMessage())); + setError(req, CMS.getUserMessage("CMS_POLICY_UNEXPECTED_POLICY_ERROR"), NAME, + e.getMessage()); + return PolicyResult.REJECTED; + } catch (CertificateException e) { + log(ILogger.LL_FAILURE, CMS.getLogMessage("CA_CERT_INFO_ERROR", + e.getMessage())); + setError(req, CMS.getUserMessage("CMS_POLICY_UNEXPECTED_POLICY_ERROR"), NAME, + e.getMessage()); + return PolicyResult.REJECTED; + } + } + + /** + * Returns instance specific parameters. + */ + public Vector getInstanceParams() { + Vector params = new Vector(); + + params.addElement(PROP_CRITICAL + "=" + mCritical); + int numIds = MAX_PURPOSE_ID; + + try { + numIds = mConfig.getInteger(PROP_NUM_IDS, MAX_PURPOSE_ID); + } catch (EBaseException e) { + } + params.addElement(PROP_NUM_IDS + "=" + numIds); + String usage = null; + + for (int i = 0; i < numIds; i++) { + if (mUsages.size() <= i) { + params.addElement(PROP_PURPOSE_ID + + Integer.toString(i) + "="); + } else { + usage = ((ObjectIdentifier) mUsages.elementAt(i)).toString(); + if (usage == null) { + params.addElement(PROP_PURPOSE_ID + + Integer.toString(i) + "="); + } else { + params.addElement(PROP_PURPOSE_ID + + Integer.toString(i) + "=" + usage); + } + } + } + return params; + } + + private void setExtendedPluginInfo() { + Vector v = new Vector(); + int mNum = MAX_PURPOSE_ID; + + if (mConfig != null) { + try { + mConfig.getInteger(PROP_NUM_IDS, MAX_PURPOSE_ID); + } catch (EBaseException e) { + } + } + for (int i = 0; i < mNum; i++) { + v.addElement(PROP_PURPOSE_ID + Integer.toString(i) + ";string;" + + "A unique,valid OID specified in dot-separated numeric component notation. e.g. 2.16.840.1.113730.1.99"); + } + + v.addElement(PROP_NUM_IDS + ";number;The total number of policy IDs."); + v.addElement(PROP_CRITICAL + + ";boolean;RFC 2459 recommendation: This extension may, at the option of the certificate issuer, be either critical or non-critical."); + v.addElement(IExtendedPluginInfo.HELP_TOKEN + + ";configuration-policyrules-extendedkeyusage"); + v.addElement(IExtendedPluginInfo.HELP_TEXT + + ";Adds Extended Key Usage Extension. Defined in RFC 2459 " + + "(4.2.1.13)"); + + mParams = com.netscape.cmsutil.util.Utils.getStringArrayFromVector(v); + } + + public String[] getExtendedPluginInfo(Locale locale) { + if (mParams == null) { + setExtendedPluginInfo(); + } + return mParams; + } + + /** + * Returns default parameters. + */ + public Vector getDefaultParams() { + Vector defParams = new Vector(); + + defParams.addElement(PROP_CRITICAL + "=false"); + defParams.addElement(PROP_NUM_IDS + "=" + MAX_PURPOSE_ID); + for (int i = 0; i < MAX_PURPOSE_ID; i++) { + defParams.addElement(PROP_PURPOSE_ID + Integer.toString(i) + "="); + } + return defParams; + } + + /** + * Setups parameters. + */ + private void setupParams() throws EBaseException { + + mCritical = mConfig.getBoolean(PROP_CRITICAL, false); + if (mUsages == null) { + mUsages = new Vector(); + } + + int mNum = mConfig.getInteger(PROP_NUM_IDS, MAX_PURPOSE_ID); + + for (int i = 0; i < mNum; i++) { + ObjectIdentifier usageOID = null; + + String usage = mConfig.getString(PROP_PURPOSE_ID + + Integer.toString(i), null); + + try { + + if (usage == null) break; + usage = usage.trim(); + if (usage.equals("")) break; + if (usage.equalsIgnoreCase("ocspsigning")) { + usageOID = ObjectIdentifier.getObjectIdentifier(ExtendedKeyUsageExtension.OID_OCSPSigning); + } else if (usage.equalsIgnoreCase("codesigning")) { + usageOID = ObjectIdentifier.getObjectIdentifier(ExtendedKeyUsageExtension.OID_CODESigning); + } else { + // it could be an object identifier, test it + usageOID = ObjectIdentifier.getObjectIdentifier(usage); + } + } catch (IOException ex) { + throw new EBaseException(this.getClass().getName() + ":" + + ex.getMessage()); + } catch (NumberFormatException ex) { + throw new EBaseException(this.getClass().getName() + ":" + + "OID '" + usage + "' format error"); + } + mUsages.addElement(usageOID); + } + } +} |