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LdapUserRepository.java
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LdapUserRepository.java
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/*
* Copyright (c) 2000, 2017 Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2021, 2022 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.messaging.jmq.jmsserver.auth.ldap;
import java.util.*;
import java.security.PrivilegedAction;
import javax.naming.Context;
import javax.naming.NamingException;
import javax.naming.NamingEnumeration;
import javax.naming.directory.InitialDirContext;
import javax.naming.directory.DirContext;
import javax.naming.directory.SearchResult;
import javax.naming.directory.SearchControls;
import javax.naming.directory.Attribute;
import javax.naming.ldap.LdapName;
import javax.naming.ldap.Rdn;
import javax.naming.directory.Attributes;
import javax.security.auth.Subject;
import javax.security.auth.Refreshable;
import javax.security.auth.login.LoginException;
import com.sun.messaging.jmq.auth.api.FailedLoginException;
import com.sun.messaging.jmq.util.log.Logger;
import com.sun.messaging.jmq.jmsserver.Globals;
import com.sun.messaging.jmq.jmsserver.auth.AccessController;
import com.sun.messaging.jmq.auth.jaas.MQUser;
import com.sun.messaging.jmq.auth.jaas.MQGroup;
import com.sun.messaging.jmq.jmsserver.resources.BrokerResources;
import com.sun.messaging.jmq.auth.api.server.model.*;
import com.sun.messaging.jmq.util.Password;
public class LdapUserRepository implements UserRepository {
public static final String TYPE = "ldap";
private static boolean DEBUG = false;
private static final Logger logger = Globals.getLogger();
private static final BrokerResources br = Globals.getBrokerResources();
private String authType;
private Properties authProps = null;
private static String INITIAL_CONTEXT_FACTORY = "com.sun.jndi.ldap.LdapCtxFactory";
private static final int DEFAULT_TIMELIMIT_MILLIS = 180000;
private static final String DN_USRFORMAT = "dn";
private static final String PROP_SERVER_SUFFIX = ".server";
public static final String PROP_BINDDN_SUFFIX = ".principal";
public static final String PROP_BINDPW_SUFFIX = ".password";
private static final String PROP_UIDATTR_SUFFIX = ".uidattr";
private static final String PROP_USRFORMAT_SUFFIX = ".usrformat";
private static final String PROP_USRFILTER_SUFFIX = ".usrfilter";
private static final String PROP_BASE_SUFFIX = ".base";
private static final String PROP_GRPBASE_SUFFIX = ".grpbase";
private static final String PROP_GIDATTR_SUFFIX = ".gidattr";
private static final String PROP_MEMATTR_SUFFIX = ".memattr";
private static final String PROP_GRPFILTER_SUFFIX = ".grpfilter";
private static final String PROP_GRPSEARCH_SUFFIX = ".grpsearch";
private static final String PROP_TIMEOUT_SUFFIX = ".timeout";
private static final String PROP_SSL_SUFFIX = ".ssl.enabled";
private static final String PROP_SSLFACTORY_SUFFIX = ".ssl.socketfactory";
private String server = null;
private String bindDN = null;
private String bindPW = null;
private String base = null;
private LdapName ldapbase = null;
private String uidattr = null;
private String usrformat = null;
private String usrfilter = null;
private int timelimitMillis = DEFAULT_TIMELIMIT_MILLIS;
private boolean grpsearch = true;
private String grpbase = null;
private String gidattr = null;
private String memattr = null;
private String grpfilter = null;
private String repository = null;
private boolean sslprotocol = false;
private String sslfactory = null;
@Override
public void open(String authType, Properties authProperties, Refreshable cacheData) throws LoginException {
this.authType = authType;
this.authProps = authProperties;
String rep = authProps.getProperty(AccessController.PROP_AUTHENTICATION_PREFIX + authType + AccessController.PROP_USER_REPOSITORY_SUFFIX);
if (rep == null) {
throw new LoginException(Globals.getBrokerResources().getKString(BrokerResources.X_USER_REPOSITORY_NOT_DEFINED, authType));
}
repository = rep;
if (!rep.equals(TYPE)) {
String[] args = { rep, TYPE, this.getClass().getName() };
throw new LoginException(Globals.getBrokerResources().getKString(BrokerResources.X_REPOSITORY_TYPE_MISMATCH, args));
}
String prefix = AccessController.PROP_USER_REPOSITORY_PREFIX + rep;
server = authProps.getProperty(prefix + PROP_SERVER_SUFFIX);
if (server == null || server.trim().equals("")) {
String[] args = { authType, rep, PROP_SERVER_SUFFIX };
throw new LoginException(Globals.getBrokerResources().getKString(BrokerResources.X_LDAP_REPOSITORY_PROPERTY_NOT_DEFINED, args));
}
server = "ldap://" + server;
bindDN = authProps.getProperty(prefix + PROP_BINDDN_SUFFIX);
if (bindDN != null && !bindDN.trim().equals("")) {
bindPW = authProps.getProperty(prefix + PROP_BINDPW_SUFFIX);
int retry = 0;
Password pw = null;
boolean setProp = bindPW == null || bindPW.equals("");
while ((bindPW == null || bindPW.trim().equals("")) && retry < 5) {
pw = new Password();
if (pw.echoPassword()) {
System.err.println(Globals.getBrokerResources().getString(BrokerResources.W_ECHO_PASSWORD));
}
System.err.print(Globals.getBrokerResources().getString(BrokerResources.M_ENTER_KEY_LDAP, bindDN));
System.err.flush();
bindPW = pw.getPassword();
// Limit the number of times we try reading the passwd.
// If the VM is run in the background the readLine()
// will always return null and we'd get stuck in the loop
retry++;
}
if (bindPW == null || bindPW.trim().equals("")) {
logger.log(Logger.WARNING, BrokerResources.W_NO_LDAP_PASSWD, bindPW);
bindDN = null;
} else if (setProp) {
authProps.put(prefix + PROP_BINDPW_SUFFIX, bindPW);
}
} else {
bindDN = null;
}
usrformat = authProps.getProperty(prefix + PROP_USRFORMAT_SUFFIX);
if (usrformat != null) {
usrformat = usrformat.trim();
if (usrformat.equals("")) {
usrformat = null;
} else if (!usrformat.trim().equals(DN_USRFORMAT)) {
throw new LoginException(
Globals.getBrokerResources().getKString(BrokerResources.X_UNSUPPORTED_PROPERTY_VALUE, "" + prefix + PROP_USRFORMAT_SUFFIX, usrformat));
}
}
base = authProps.getProperty(prefix + PROP_BASE_SUFFIX);
if (base != null && base.trim().equals("")) {
base = null;
}
if (base == null && (usrformat == null || !usrformat.equals(DN_USRFORMAT))) {
String[] args = { authType, rep, PROP_BASE_SUFFIX };
throw new LoginException(Globals.getBrokerResources().getKString(BrokerResources.X_LDAP_REPOSITORY_PROPERTY_NOT_DEFINED, args));
}
ldapbase = null;
if (base != null && usrformat != null && usrformat.equals(DN_USRFORMAT)) {
try {
ldapbase = new LdapName(base);
} catch (Exception e) {
throw new LoginException(e.toString());
}
}
uidattr = authProps.getProperty(prefix + PROP_UIDATTR_SUFFIX);
if (uidattr == null || uidattr.trim().equals("")) {
String[] args = { authType, rep, PROP_UIDATTR_SUFFIX };
throw new LoginException(Globals.getBrokerResources().getKString(BrokerResources.X_LDAP_REPOSITORY_PROPERTY_NOT_DEFINED, args));
}
usrfilter = authProps.getProperty(prefix + PROP_USRFILTER_SUFFIX);
if (usrfilter != null && usrfilter.trim().equals("")) {
usrfilter = null;
}
String tlimit = authProps.getProperty(prefix + PROP_TIMEOUT_SUFFIX);
if (tlimit != null) {
try {
timelimitMillis = Integer.parseInt(tlimit) * 1000;
} catch (NumberFormatException e) {
timelimitMillis = -1;
}
}
if (timelimitMillis < 0) {
timelimitMillis = DEFAULT_TIMELIMIT_MILLIS;
}
String grpsrch = authProps.getProperty(prefix + PROP_GRPSEARCH_SUFFIX);
if (grpsrch != null && grpsrch.equals("false")) {
grpsearch = false;
}
if (grpsearch) {
grpbase = authProps.getProperty(prefix + PROP_GRPBASE_SUFFIX);
if (grpbase == null || grpbase.trim().equals("")) {
String[] args = { authType, rep, PROP_GRPBASE_SUFFIX };
throw new LoginException(Globals.getBrokerResources().getKString(BrokerResources.X_LDAP_REPOSITORY_PROPERTY_NOT_DEFINED, args));
}
gidattr = authProps.getProperty(prefix + PROP_GIDATTR_SUFFIX);
if (gidattr == null || gidattr.trim().equals("")) {
String[] args = { authType, rep, PROP_GIDATTR_SUFFIX };
throw new LoginException(Globals.getBrokerResources().getKString(BrokerResources.X_LDAP_REPOSITORY_PROPERTY_NOT_DEFINED, args));
}
memattr = authProps.getProperty(prefix + PROP_MEMATTR_SUFFIX);
if (memattr == null || memattr.trim().equals("")) {
String[] args = { authType, rep, PROP_MEMATTR_SUFFIX };
throw new LoginException(Globals.getBrokerResources().getKString(BrokerResources.X_LDAP_REPOSITORY_PROPERTY_NOT_DEFINED, args));
}
grpfilter = authProps.getProperty(prefix + PROP_GRPFILTER_SUFFIX);
if (grpfilter != null && grpfilter.trim().equals("")) {
grpfilter = null;
}
} // if grpsearch
String ssl = authProps.getProperty(prefix + PROP_SSL_SUFFIX);
if (ssl != null && ssl.equals("true")) {
sslprotocol = true;
ssl = authProps.getProperty(prefix + PROP_SSLFACTORY_SUFFIX);
if (ssl != null && !ssl.trim().equals("")) {
sslfactory = ssl.trim();
}
}
}
/**
* Find the user in the repository and compare the credential with the user's credential in database
*
* @param user the user name
* @param credential password (String type) for "basic" is the password
* @param extra null for basic, nonce if digest
* @param matchType must be "basic"
*
* @return the authenticated subject <BR>
* null if no match found <BR>
*/
@Override
public Subject findMatch(String user, Object credential, Object extra, String matchType) throws LoginException {
if (matchType != null && matchType.equals(AccessController.AUTHTYPE_BASIC)) {
return jmqbasicFindMatch(user, (String) credential);
}
String matchtyp = (matchType == null) ? "null" : matchType;
String[] args = { matchtyp, authType, TYPE, AccessController.AUTHTYPE_BASIC };
throw new LoginException(Globals.getBrokerResources().getKString(BrokerResources.X_UNSUPPORTED_USER_REPOSITORY_MATCHTYPE, args));
}
private Subject jmqbasicFindMatch(String user, String userpwd) throws LoginException {
if (DEBUG) {
logger.log(Logger.INFO, "Authenticate[basic] " + user + ":" + userpwd + ((usrformat == null) ? ":" : ":usrformat=" + usrformat));
}
/*
* LDAP requires the password to be nonempty for simple authentication. otherwise it automatically converts the
* authentication to "none"
*/
if (userpwd == null || userpwd.trim().equals("")) {
throw new LoginException(Globals.getBrokerResources().getKString(BrokerResources.X_PASSWORD_NOT_PROVIDED, user));
}
if (user == null || user.trim().equals("")) {
throw new LoginException(Globals.getBrokerResources().getKString(BrokerResources.X_USERNAME_NOT_PROVIDED, user));
}
String url = server;
if (DEBUG) {
logger.log(Logger.INFO, "LDAP server: " + url);
}
Hashtable env = new Hashtable(11);
env.put(Context.INITIAL_CONTEXT_FACTORY, INITIAL_CONTEXT_FACTORY);
env.put(Context.PROVIDER_URL, url);
env.put(Context.REFERRAL, "follow"); // see JNDI doc
if (sslprotocol) {
env.put(Context.SECURITY_PROTOCOL, "ssl");
if (sslfactory != null) {
env.put("java.naming.ldap.factory.socket", sslfactory);
}
}
String dnName = null;
boolean dnformat = false;
if (usrformat != null && usrformat.equals(DN_USRFORMAT)) {
dnformat = true;
dnName = user;
user = handleDNusrformat(user);
} else {
dnName = searchDN(user, env);
}
DirContext ctx = null;
try {
if (!dnformat) {
logger.log(Logger.INFO, br.getKString(BrokerResources.I_AUTHENTICATE_USER_AS, user, dnName));
} else {
logger.log(Logger.INFO, br.getKString(BrokerResources.I_AUTHENTICATE_AS_USER, dnName, user));
}
env.put(Context.SECURITY_AUTHENTICATION, "simple");
env.put(Context.SECURITY_PRINCIPAL, dnName);
env.put(Context.SECURITY_CREDENTIALS, userpwd);
try {
ctx = new InitialDirContext(env);
ctx.close();
Subject subject = new Subject();
subject.getPrincipals().add(new MQUser(user));
try {
findGroups(dnName, subject);
} catch (NamingException e) {
String emsg = Globals.getBrokerResources().getKString(BrokerResources.X_LDAP_GROUP_SEARCH_ERROR, user + " [" + dnName + "]");
logger.logStack(Logger.ERROR, emsg, e);
throw new LoginException(emsg + ":" + e.getMessage());
}
return subject;
} catch (javax.naming.AuthenticationException e) {
if (DEBUG) {
logger.log(Logger.INFO, e.getMessage(), e);
}
throw new FailedLoginException(e.getMessage());
}
} catch (Exception e) {
if (e instanceof FailedLoginException) {
throw (FailedLoginException) e;
}
if (e instanceof LoginException) {
throw (LoginException) e;
}
String emsg = null;
if (e instanceof NamingException) {
emsg = ((NamingException) e).toString(true);
} else {
emsg = e.toString();
}
logger.logStack(Logger.ERROR, emsg, e);
throw new LoginException(emsg);
} finally {
try {
if (ctx != null) {
ctx.close();
}
} catch (NamingException ne) {
/* ignore */
}
}
}
private String searchDN(String user, Hashtable env) throws LoginException {
if (bindDN != null && bindPW != null) {
env.put(Context.SECURITY_AUTHENTICATION, "simple");
env.put(Context.SECURITY_PRINCIPAL, bindDN);
env.put(Context.SECURITY_CREDENTIALS, bindPW);
}
DirContext ctx = null;
try {
ctx = new InitialDirContext(env);
SearchControls ctls = new SearchControls();
ctls.setReturningAttributes(new String[] { uidattr });
ctls.setSearchScope(SearchControls.SUBTREE_SCOPE); //
ctls.setTimeLimit(timelimitMillis);
String filter = uidattr + "=" + user;
if (usrfilter != null) {
filter = "(&(" + usrfilter + ")(" + filter + "))";
}
if (DEBUG) {
logger.log(Logger.INFO, "filter:" + filter + ":");
}
NamingEnumeration enm = ctx.search(base, filter, ctls);
int count = 0;
String dnName = null;
while (enm.hasMore()) {
if (count != 0) {
enm.close();
throw new NamingException(Globals.getBrokerResources().getKString(BrokerResources.X_NOT_UNIQUE_USER, user, repository));
}
SearchResult sr = (SearchResult) enm.next();
if (!sr.isRelative()) { // XXX ???
throw new NamingException(Globals.getBrokerResources().getKString(BrokerResources.X_LDAP_SEARCH_RESULT_NOT_RELATIVE, sr.getName()));
}
Attributes attrs = sr.getAttributes();
if (attrs == null) {
throw new NamingException(Globals.getBrokerResources().getKString(BrokerResources.X_DN_NOT_FOUND, user, repository)
+ "[SearchResult.getAttributes()=" + null + "]");
}
Attribute attr = attrs.get(uidattr);
if (attr == null) {
throw new NamingException(Globals.getBrokerResources().getKString(BrokerResources.X_DN_NOT_FOUND, user, repository) + "[Attribute.get("
+ uidattr + ")=" + null + "]");
}
if (!user.equals(attr.get())) {
throw new FailedLoginException(Globals.getBrokerResources().getKString(BrokerResources.X_DN_NOT_FOUND, user, repository) + "[Attribute.get("
+ uidattr + ")=" + attr + "]");
}
dnName = sr.getName() + ", " + base;
count++;
}
ctx.close();
if (dnName == null) {
throw new FailedLoginException(Globals.getBrokerResources().getKString(BrokerResources.X_DN_NOT_FOUND, user, repository));
}
if (DEBUG) {
logger.log(Logger.INFO, "dn=" + dnName);
}
return dnName;
} catch (Exception e) {
if (e instanceof FailedLoginException) {
throw (FailedLoginException) e;
}
String emsg = null;
if (e instanceof NamingException) {
emsg = ((NamingException) e).toString(true);
} else {
emsg = e.toString();
}
logger.logStack(Logger.ERROR, emsg, e);
throw new LoginException(emsg);
} finally {
try {
if (ctx != null) {
ctx.close();
}
} catch (NamingException ne) {
/* ignore */
}
}
}
private String handleDNusrformat(String user) throws LoginException {
String dnuser = user;
try {
LdapName ldapn = new LdapName(user);
if (ldapbase != null && !ldapn.startsWith(ldapbase)) {
throw new LoginException(br.getKString(br.X_DN_BASE_NOTMATCH, user, ldapbase.toString()));
}
Iterator itr = (ldapn.getRdns()).iterator();
Attributes attrs = null;
Attribute attr = null;
Object attrv = null;
while (itr.hasNext()) {
attrs = ((Rdn) itr.next()).toAttributes();
attr = attrs.get(uidattr);
if (attr == null) {
continue;
}
attrv = attr.get(0);
if (attrv == null) {
break;
}
if (!(attrv instanceof String)) {
throw new LoginException(
br.getKString(BrokerResources.X_ATTRIBUTE_NOT_STRING_TYPE, uidattr + "[" + dnuser + "]", attrv.getClass().getName()));
}
if (((String) attrv).trim().equals("")) {
break;
}
return (String) attrv;
}
throw new LoginException(br.getKString(BrokerResources.X_ATTRIBUTE_NOT_FOUND_IN, uidattr, dnuser));
} catch (Exception e) {
if (e instanceof LoginException) {
throw (LoginException) e;
}
String emsg = null;
if (e instanceof NamingException) {
emsg = ((NamingException) e).toString(true);
} else {
emsg = e.toString();
}
logger.logStack(Logger.ERROR, emsg, e);
throw new LoginException(e.getMessage());
}
}
private void findGroups(String dn, Subject subject) throws NamingException {
if (!grpsearch) {
return;
}
Hashtable env = new Hashtable(11);
env.put(Context.INITIAL_CONTEXT_FACTORY, INITIAL_CONTEXT_FACTORY);
env.put(Context.PROVIDER_URL, server);
env.put(Context.REFERRAL, "follow");
if (bindDN != null) {
env.put(Context.SECURITY_AUTHENTICATION, "simple");
env.put(Context.SECURITY_PRINCIPAL, bindDN);
env.put(Context.SECURITY_CREDENTIALS, bindPW);
}
if (sslprotocol) {
env.put(Context.SECURITY_PROTOCOL, "ssl");
if (sslfactory != null) {
env.put("java.naming.ldap.factory.socket", sslfactory);
}
}
DirContext ctx = null;
try {
ctx = new InitialDirContext(env);
SearchControls ctls = new SearchControls();
String attr[] = new String[1];
attr[0] = gidattr;
ctls.setReturningAttributes(attr);
ctls.setSearchScope(SearchControls.ONELEVEL_SCOPE);
ctls.setTimeLimit(timelimitMillis);
String filter = memattr + "=" + dn;
if (grpfilter != null) {
filter = "(&(" + grpfilter + ")(" + filter + "))";
}
if (DEBUG) {
logger.log(Logger.INFO, "filter:" + filter + ":");
}
NamingEnumeration em = ctx.search(grpbase, filter, ctls);
SearchResult sr = null;
Attributes attrs = null;
Attribute grp = null;
String group = null;
while (em.hasMore()) {
sr = (SearchResult) em.next();
if (!sr.isRelative()) {
throw new NamingException(Globals.getBrokerResources().getKString(BrokerResources.X_LDAP_SEARCH_RESULT_NOT_RELATIVE, sr.getName()));
}
attrs = sr.getAttributes();
if (attrs != null) {
grp = attrs.get(gidattr);
if (grp != null) {
group = (String) grp.get(0);
if (group != null && !group.equals("")) {
if (DEBUG) {
logger.log(Logger.INFO, "found group:" + group + ":");
}
final Subject tempSubject = subject;
final String tempGroup = group;
java.security.AccessController.doPrivileged(new PrivilegedAction<Object>() {
@Override
public Object run() {
tempSubject.getPrincipals().add(new MQGroup(tempGroup));
return null;
}
});
/*
* // subject.getPrincipals().add(new MQGroup(group));
*/ }
}
}
}
} catch (Exception e) {
if (e instanceof NamingException) {
throw (NamingException) e;
}
NamingException ne = new NamingException(e.toString());
ne.initCause(e);
throw ne;
} finally {
if (ctx != null) {
ctx.close();
}
}
}
@Override
public Refreshable getCacheData() {
return null; // not cache
}
@Override
public void close() throws LoginException {
}
}