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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.publish.mappers;
import com.netscape.certsrv.base.*;
import com.netscape.certsrv.logging.*;
import netscape.ldap.*;
import java.io.*;
import java.util.*;
import java.security.*;
import java.security.cert.*;
import netscape.security.x509.*;
import netscape.security.util.*;
import com.netscape.certsrv.apps.*;
import com.netscape.certsrv.request.IRequest;
import com.netscape.certsrv.ldap.*;
import com.netscape.certsrv.publish.*;
/**
* class for parsing a DN pattern used to construct a ldap dn from
* request attributes and cert subject name.<p>
*
* dnpattern is a string representing a ldap dn pattern to formulate from
* the certificate subject name attributes and request attributes .
* If empty or not set, the certificate subject name
* will be used as the ldap dn. <p>
*
* The syntax is
* <pre>
* dnPattern := rdnPattern *[ "," rdnPattern ]
* rdnPattern := avaPattern *[ "+" avaPattern ]
* avaPattern := name "=" value |
* name "=" "$subj" "." attrName [ "." attrNumber ] |
* name "=" "$req" "." attrName [ "." attrNumber ] |
* "$rdn" "." number
* </pre>
* <pre>
* Example1: <i>cn=Certificate Manager,ou=people,o=mcom.com</i>
* cert subject name: dn: CN=Certificate Manager, OU=people, O=mcom.com
* request attributes: uid: cmanager
* <p>
* The dn formulated will be : <br>
* CN=Certificate Manager, OU=people, O=mcom.com
* <p>
* note: Subordinate ca enrollment will use ca mapper. Use predicate
* to distinguish the ca itself and the subordinates.
*
* Example2: <i>UID=$req.HTTP_PARAMS.uid, OU=$subj.ou, O=people, , O=mcom.com</i>
* cert subject name: dn: UID=jjames, OU=IS, O=people, , O=mcom.com
* request attributes: uid: cmanager
* <p>
* The dn formulated will be : <br>
* UID=jjames, OU=IS, OU=people, O=mcom.com
* <p>
* UID = the 'uid' attribute value in the request. <br>
* OU = the 'ou' value in the cert subject name. <br>
* O = the string people, mcom.com. <br>
* <p>
* </pre>
* If an request attribute or subject DN component does not exist,
* the attribute is skipped.There is potential risk that a wrong dn
* will be mapped into.
*
* @version $Revision$, $Date$
*/
class MapRDNPattern {
/* the list of request attributes needed by this RDN */
protected String[] mReqAttrs = null;
/* the list of cert attributes needed by this RDN */
protected String[] mCertAttrs = null;
/* AVA patterns */
protected MapAVAPattern[] mAVAPatterns = null;
/* original pattern string */
protected String mPatternString = null;
protected String mTestDN = null;
/**
* Construct a DN pattern by parsing a pattern string.
* @param pattenr the DN pattern
* @exception ELdapException If parsing error occurs.
*/
public MapRDNPattern(String pattern)
throws ELdapException {
if (pattern == null || pattern.equals("")) {
CMS.debug(
"MapDNPattern: null pattern");
} else {
mPatternString = pattern;
PushbackReader in = new PushbackReader(new StringReader(pattern));
parse(in);
}
}
/**
* Construct a DN pattern from a input stream of pattern
*/
public MapRDNPattern(PushbackReader in)
throws ELdapException {
parse(in);
}
private void parse(PushbackReader in)
throws ELdapException {
//System.out.println("_________ begin rdn _________");
Vector avaPatterns = new Vector();
MapAVAPattern avaPattern = null;
int lastChar;
do {
avaPattern = new MapAVAPattern(in);
avaPatterns.addElement(avaPattern);
//System.out.println("added AVAPattern"+
//" mType "+avaPattern.mType+
//" mAttr "+avaPattern.mAttr+
//" mValue "+avaPattern.mValue+
//" mElement "+avaPattern.mElement);
try {
lastChar = in.read();
} catch (IOException e) {
throw new ELdapException(
CMS.getUserMessage("CMS_LDAP_INTERNAL_ERROR", e.toString()));
}
}
while (lastChar == '+');
if (lastChar != -1) {
try {
in.unread(lastChar); // pushback last ,
} catch (IOException e) {
throw new ELdapException(
CMS.getUserMessage("CMS_LDAP_INTERNAL_ERROR", e.toString()));
}
}
mAVAPatterns = new MapAVAPattern[avaPatterns.size()];
avaPatterns.copyInto(mAVAPatterns);
Vector reqAttrs = new Vector();
for (int i = 0; i < mAVAPatterns.length; i++) {
String avaAttr = mAVAPatterns[i].getReqAttr();
if (avaAttr == null || avaAttr.length() == 0)
continue;
reqAttrs.addElement(avaAttr);
}
mReqAttrs = new String[reqAttrs.size()];
reqAttrs.copyInto(mReqAttrs);
Vector certAttrs = new Vector();
for (int i = 0; i < mAVAPatterns.length; i++) {
String avaAttr = mAVAPatterns[i].getCertAttr();
if (avaAttr == null || avaAttr.length() == 0)
continue;
certAttrs.addElement(avaAttr);
}
mCertAttrs = new String[certAttrs.size()];
certAttrs.copyInto(mCertAttrs);
}
/**
* Form a Ldap v3 DN string from a request and a cert subject name.
* @param req the request for (un)publish
* @param subject the subjectDN of the certificate
* @return Ldap v3 DN string to use for base ldap search.
*/
public String formRDN(IRequest req, X500Name subject, CertificateExtensions ext)
throws ELdapException {
StringBuffer formedRDN = new StringBuffer();
for (int i = 0; i < mAVAPatterns.length; i++) {
if (mTestDN != null)
mAVAPatterns[i].mTestDN = mTestDN;
String ava = mAVAPatterns[i].formAVA(req, subject, ext);
if (ava != null && ava.length() > 0) {
if (formedRDN.length() != 0)
formedRDN.append("+");
formedRDN.append(ava);
}
}
//System.out.println("formed RDN "+formedRDN.toString());
return formedRDN.toString();
}
public String[] getReqAttrs() {
return (String[]) mReqAttrs.clone();
}
public String[] getCertAttrs() {
return (String[]) mCertAttrs.clone();
}
}
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