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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.profile.constraint;
import java.io.IOException;
import java.util.Locale;
import netscape.security.x509.BasicConstraintsExtension;
import netscape.security.x509.PKIXExtensions;
import netscape.security.x509.X509CertInfo;
import com.netscape.certsrv.apps.CMS;
import com.netscape.certsrv.base.IConfigStore;
import com.netscape.certsrv.profile.EProfileException;
import com.netscape.certsrv.profile.ERejectException;
import com.netscape.certsrv.profile.IPolicyDefault;
import com.netscape.certsrv.profile.IProfile;
import com.netscape.certsrv.property.Descriptor;
import com.netscape.certsrv.property.EPropertyException;
import com.netscape.certsrv.property.IDescriptor;
import com.netscape.certsrv.request.IRequest;
import com.netscape.cms.profile.def.BasicConstraintsExtDefault;
import com.netscape.cms.profile.def.NoDefault;
import com.netscape.cms.profile.def.UserExtensionDefault;
/**
* This class implements the basic constraints extension constraint.
* It checks if the basic constraint in the certificate
* template satisfies the criteria.
*
* @version $Revision$, $Date$
*/
public class BasicConstraintsExtConstraint extends EnrollConstraint {
public static final String CONFIG_CRITICAL =
"basicConstraintsCritical";
public static final String CONFIG_IS_CA =
"basicConstraintsIsCA";
public static final String CONFIG_MIN_PATH_LEN =
"basicConstraintsMinPathLen";
public static final String CONFIG_MAX_PATH_LEN =
"basicConstraintsMaxPathLen";
public BasicConstraintsExtConstraint() {
super();
addConfigName(CONFIG_CRITICAL);
addConfigName(CONFIG_IS_CA);
addConfigName(CONFIG_MIN_PATH_LEN);
addConfigName(CONFIG_MAX_PATH_LEN);
}
/**
* Initializes this constraint plugin.
*/
public void init(IProfile profile, IConfigStore config)
throws EProfileException {
super.init(profile, config);
}
public IDescriptor getConfigDescriptor(Locale locale, String name) {
if (name.equals(CONFIG_CRITICAL)) {
return new Descriptor(IDescriptor.CHOICE, "true,false,-",
"-",
CMS.getUserMessage(locale, "CMS_PROFILE_CRITICAL"));
} else if (name.equals(CONFIG_IS_CA)) {
return new Descriptor(IDescriptor.CHOICE, "true,false,-",
"-",
CMS.getUserMessage(locale, "CMS_PROFILE_IS_CA"));
} else if (name.equals(CONFIG_MIN_PATH_LEN)) {
return new Descriptor(IDescriptor.INTEGER, null,
"-1",
CMS.getUserMessage(locale, "CMS_PROFILE_MIN_PATH_LEN"));
} else if (name.equals(CONFIG_MAX_PATH_LEN)) {
return new Descriptor(IDescriptor.INTEGER, null,
"100",
CMS.getUserMessage(locale, "CMS_PROFILE_MAX_PATH_LEN"));
}
return null;
}
/**
* Validates the request. The request is not modified
* during the validation.
*/
public void validate(IRequest request, X509CertInfo info)
throws ERejectException {
try {
BasicConstraintsExtension ext = (BasicConstraintsExtension)
getExtension(PKIXExtensions.BasicConstraints_Id.toString(),
info);
if (ext == null) {
throw new ERejectException(
CMS.getUserMessage(
getLocale(request),
"CMS_PROFILE_EXTENSION_NOT_FOUND",
PKIXExtensions.BasicConstraints_Id.toString()));
}
// check criticality
String value = getConfig(CONFIG_CRITICAL);
if (!isOptional(value)) {
boolean critical = getBoolean(value);
if (critical != ext.isCritical()) {
throw new ERejectException(
CMS.getUserMessage(getLocale(request),
"CMS_PROFILE_CRITICAL_NOT_MATCHED"));
}
}
value = getConfig(CONFIG_IS_CA);
if (!isOptional(value)) {
boolean isCA = getBoolean(value);
Boolean extIsCA = (Boolean) ext.get(BasicConstraintsExtension.IS_CA);
if (isCA != extIsCA.booleanValue()) {
throw new ERejectException(
CMS.getUserMessage(getLocale(request),
"CMS_PROFILE_CONSTRAINT_BASIC_CONSTRAINTS_EXT_IS_CA"));
}
}
value = getConfig(CONFIG_MIN_PATH_LEN);
if (!isOptional(value)) {
int pathLen = getInt(value);
Integer extPathLen = (Integer) ext.get(BasicConstraintsExtension.PATH_LEN);
if (pathLen > extPathLen.intValue()) {
CMS.debug("BasicCOnstraintsExtConstraint: pathLen=" + pathLen + " > extPathLen=" + extPathLen);
throw new ERejectException(
CMS.getUserMessage(getLocale(request),
"CMS_PROFILE_CONSTRAINT_BASIC_CONSTRAINTS_EXT_MIN_PATH"));
}
}
value = getConfig(CONFIG_MAX_PATH_LEN);
if (!isOptional(value)) {
int pathLen = getInt(value);
Integer extPathLen = (Integer) ext.get(BasicConstraintsExtension.PATH_LEN);
if (pathLen < extPathLen.intValue()) {
CMS.debug("BasicCOnstraintsExtConstraint: pathLen=" + pathLen + " < extPathLen=" + extPathLen);
throw new ERejectException(
CMS.getUserMessage(getLocale(request),
"CMS_PROFILE_CONSTRAINT_BASIC_CONSTRAINTS_EXT_MAX_PATH"));
}
}
} catch (IOException e) {
CMS.debug("BasicConstraintsExt: validate " + e.toString());
throw new ERejectException(
CMS.getUserMessage(
getLocale(request),
"CMS_PROFILE_EXTENSION_NOT_FOUND",
PKIXExtensions.BasicConstraints_Id.toString()));
}
}
public String getText(Locale locale) {
String params[] = {
getConfig(CONFIG_CRITICAL),
getConfig(CONFIG_IS_CA),
getConfig(CONFIG_MIN_PATH_LEN),
getConfig(CONFIG_MAX_PATH_LEN)
};
return CMS.getUserMessage(locale,
"CMS_PROFILE_CONSTRAINT_BASIC_CONSTRAINTS_EXT_TEXT",
params);
}
public boolean isApplicable(IPolicyDefault def) {
if (def instanceof NoDefault)
return true;
if (def instanceof BasicConstraintsExtDefault)
return true;
if (def instanceof UserExtensionDefault)
return true;
return false;
}
public void setConfig(String name, String value)
throws EPropertyException {
if (mConfig.getSubStore("params") == null) {
CMS.debug("BasicConstraintsExt: mConfig.getSubStore is null");
//
} else {
CMS.debug("BasicConstraintsExt: setConfig name " + name + " value " + value);
if (name.equals(CONFIG_MAX_PATH_LEN)) {
String minPathLen = getConfig(CONFIG_MIN_PATH_LEN);
int minLen = getInt(minPathLen);
int maxLen = getInt(value);
if (minLen >= maxLen) {
CMS.debug("BasicConstraintExt: minPathLen >= maxPathLen!");
throw new EPropertyException("bad value");
}
}
mConfig.getSubStore("params").putString(name, value);
}
}
}
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