diff -urN java/org/apache/catalina/startup/LDAPUserDatabase.java java/org/apache/catalina/startup-gil/LDAPUserDatabase.java
--- java/org/apache/catalina/startup/LDAPUserDatabase.java	1970-01-01 01:00:00.000000000 +0100
+++ java/org/apache/catalina/startup-gil/LDAPUserDatabase.java	2011-03-01 16:54:57.000000000 +0100
@@ -0,0 +1,196 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+package org.apache.catalina.startup;
+
+import java.util.Enumeration;
+import java.util.Hashtable;
+
+import javax.naming.Context;
+import javax.naming.NamingEnumeration;
+import javax.naming.NamingException;
+import javax.naming.directory.Attribute;
+import javax.naming.directory.Attributes;
+import javax.naming.directory.SearchControls;
+import javax.naming.directory.SearchResult;
+import javax.naming.ldap.Control;
+import javax.naming.ldap.InitialLdapContext;
+import javax.naming.ldap.LdapContext;
+import javax.naming.ldap.PagedResultsControl;
+import javax.naming.ldap.PagedResultsResponseControl;
+
+
+/**
+ * Concrete implementation of the <code>UserDatabase</code> interface
+ * that retrieves user data from LDAP server.
+ *
+ * @author Jan Rękorajski
+ * @version 0.1
+ */
+
+public final class LDAPUserDatabase
+    implements UserDatabase {
+
+    // --------------------------------------------------------- Constructors
+
+    /**
+     * Initialize a new instance of this user database component.
+     */
+    public LDAPUserDatabase() {
+        super();
+    }
+
+    // --------------------------------------------------- Instance Variables
+
+    /**
+     * The set of home directories for all defined users, keyed by username.
+     */
+    private Hashtable<String,String> homes = new Hashtable();
+
+    /**
+     * The UserConfig listener with which we are associated.
+     */
+    private UserConfig userConfig = null;
+
+    // ----------------------------------------------------------- Properties
+
+    /**
+     * Return the UserConfig listener with which we are associated.
+     */
+    public UserConfig getUserConfig() {
+        return (this.userConfig);
+    }
+
+    /**
+     * Set the UserConfig listener with which we are associated.
+     *
+     * @param userConfig The new UserConfig listener
+     */
+    public void setUserConfig(UserConfig userConfig) {
+        this.userConfig = userConfig;
+        init();
+    }
+
+    // ------------------------------------------------------- Public Methods
+
+    /**
+     * Return an absolute pathname to the home directory for the specified user.
+     *
+     * @param user User for which a home directory should be retrieved
+     */
+    public String getHome(String user) {
+        return homes.get(user);
+    }
+
+
+    /**
+     * Return an enumeration of the usernames defined on this server.
+     */
+    public Enumeration<String> getUsers() {
+        return (homes.keys());
+    }
+
+    // ------------------------------------------------------ Private Methods
+
+
+    /**
+     * Initialize our set of users and home directories.
+     */
+    private void init() {
+	String connectionURL = userConfig.getConnectionURL();
+	String connectionName = userConfig.getConnectionName();
+	String connectionPassword = userConfig.getConnectionPassword();
+	String authentication = userConfig.getAuthentication();
+	String searchBase = userConfig.getSearchBase();
+	String searchFilter = userConfig.getSearchFilter();
+	boolean searchSubtree = userConfig.getSearchSubtree();
+	String userAttr = userConfig.getUserAttr();
+	String homeAttr = userConfig.getHomeAttr();
+	int pageSize = userConfig.getPageSize();
+
+	try {
+		Hashtable<String,String> env = new Hashtable<String,String>();
+
+		env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
+		if (connectionName != null)
+			env.put(Context.SECURITY_PRINCIPAL, connectionName);
+		if (connectionPassword != null)
+			env.put(Context.SECURITY_CREDENTIALS, connectionPassword);
+		if (connectionURL != null)
+			env.put(Context.PROVIDER_URL, connectionURL);
+		if (authentication != null)
+			env.put(Context.SECURITY_AUTHENTICATION, authentication);
+
+		LdapContext ctx = new InitialLdapContext(env, null);
+
+		SearchControls constraints = new SearchControls();
+		String returnAttrs[] = { userAttr, homeAttr };
+		constraints.setReturningAttributes(returnAttrs);
+		if (searchSubtree) {
+			constraints.setSearchScope(SearchControls.SUBTREE_SCOPE);
+		} else {
+			constraints.setSearchScope(SearchControls.ONELEVEL_SCOPE);
+		}
+
+		// Request the paged results control
+		if (pageSize > 0) {
+			Control[] ctls = new Control[]{ new PagedResultsControl(pageSize, Control.NONCRITICAL) };
+			ctx.setRequestControls(ctls);
+		}
+
+		byte[] cookie = null;
+		do {
+			NamingEnumeration results = ctx.search(searchBase, searchFilter, constraints);
+			while (results != null && results.hasMore()) {
+			    SearchResult sr = (SearchResult)results.next();
+			    String username = null;
+			    String home = null;
+			    Attributes attr = sr.getAttributes();
+			    Attribute a = attr.get(homeAttr);
+			    if (a != null && a.size() == 1)
+				   home = (String)a.get();
+			    a = attr.get(userAttr);
+			    if ((home != null) && (a != null)) {
+				    // Add all possible names of this user and corresponding directory
+				    for (int i = 0; i < a.size(); i++) {
+					    username = (String)a.get(i);
+					    if (username != null) {
+						    homes.put(username, home);
+					    }
+				    }
+			    }
+			}
+			cookie = null;
+			Control[] controls = ctx.getResponseControls();
+			if (controls != null) {
+				for (int i = 0; i < controls.length; i++) {
+					if (controls[i] instanceof PagedResultsResponseControl) {
+						PagedResultsResponseControl prrc = (PagedResultsResponseControl)controls[i];
+						cookie = prrc.getCookie();
+					}
+				}
+			}
+			if (cookie != null) {
+				ctx.setRequestControls(new Control[]{ new PagedResultsControl(pageSize, cookie, Control.CRITICAL) });
+			}
+		} while ((cookie != null) && (cookie.length != 0));
+	} catch (Exception e) {
+	//        e.printStackTrace();
+	}
+    }
+}
\ Manca newline alla fine del file
diff -urN java/org/apache/catalina/startup/UserConfig.java java/org/apache/catalina/startup-gil/UserConfig.java
--- java/org/apache/catalina/startup/UserConfig.java	2010-04-29 15:43:39.000000000 +0200
+++ java/org/apache/catalina/startup-gil/UserConfig.java	2011-03-01 17:10:43.000000000 +0100
@@ -83,6 +83,65 @@
 
 
     /**
+     * The connection URL for the LDAP server we will contact.
+     */
+    private String connectionURL = null;
+
+
+    /**
+     * The connection username for the LDAP server we will contact.
+     */
+    private String connectionName = null;
+
+
+    /**
+     * The connection password for the LDAP server we will contact.
+     */
+    private String connectionPassword = null;
+
+
+    /**
+     *  The type of authentication to use
+     */
+    private String authentication = null;
+
+
+    /**
+     *  The page size for paged LDAP query.
+     */
+    private int pageSize = 0;
+
+
+    /**
+     * The base element for user searches.
+     */
+    private String searchBase = "";
+
+
+    /**
+     * The message format used to search for users.
+     */
+    private String searchFilter = "(objectClass=posixAccount)";
+
+
+    /**
+     * Should we search the entire subtree for matching users?
+     */
+    private boolean searchSubtree = false;
+
+
+    /**
+     * The attibute that denotes user name(s).
+     */
+    private String userAttr = "uid";
+
+
+    /**
+     * The attibute that denotes user home directory.
+     */
+    private String homeAttr = "homeDirectory";
+
+    /**
      * The string resources for this package.
      */
     private static final StringManager sm =
@@ -186,6 +245,167 @@
 
     }
 
+
+    /**
+     * The connection URL for the LDAP server we will contact.
+     */
+    public String getConnectionURL() {
+
+        return (this.connectionURL);
+
+    }
+    public void setConnectionURL(String connectionURL) {
+
+        this.connectionURL = connectionURL;
+
+    }
+
+
+    /**
+     * The connection username for the LDAP server we will contact.
+     */
+    public String getConnectionName() {
+
+        return (this.connectionName);
+
+    }
+    public void setConnectionName(String connectionName) {
+
+        this.connectionName = connectionName;
+
+    }
+
+
+    /**
+     * The connection password for the LDAP server we will contact.
+     */
+    public String getConnectionPassword() {
+
+        return (this.connectionPassword);
+
+    }
+    public void setConnectionPassword(String connectionPassword) {
+
+        this.connectionPassword = connectionPassword;
+
+    }
+
+    /**
+     * Return the type of authentication to use.
+     */
+    public String getAuthentication() {
+
+	return (this.authentication);
+
+    }
+
+    /**
+     * Set the type of authentication to use.
+     *
+     * @param authentication The authentication
+     */
+    public void setAuthentication(String authentication) {
+
+	this.authentication = authentication;
+
+    }
+
+
+    /**
+     * Return the page size for paged LDAP query.
+     */
+    public int getPageSize() {
+
+	return (this.pageSize);
+
+    }
+
+    /**
+     * Set the page size for paged LDAP query.
+     *
+     * @param pagesize The page size
+     */
+    public void setPageSize(int pageSize) {
+
+	this.pageSize = pageSize;
+
+    }
+
+
+    /**
+     * The base element for user searches.
+     */
+    public String getSearchBase() {
+
+        return (this.searchBase);
+
+    }
+    public void setSearchBase(String searchBase) {
+
+        this.searchBase = searchBase;
+
+    }
+
+
+    /**
+     * The message format used to search for users.
+     */
+    public String getSearchFilter() {
+
+        return (this.searchFilter);
+
+    }
+    public void setSearchFilter(String searchFilter) {
+
+        this.searchFilter = searchFilter;
+
+    }
+
+
+    /**
+     * Should we search the entire subtree for matching users?
+     */
+    public boolean getSearchSubtree() {
+
+        return (this.searchSubtree);
+
+    }
+    public void setSearchSubtree(boolean searchSubtree) {
+
+        this.searchSubtree = searchSubtree;
+
+    }
+
+
+    /**
+     * The attibute that denotes user name(s).
+     */
+    public String getUserAttr() {
+
+        return (this.userAttr);
+
+    }
+    public void setUserAttr(String userAttr) {
+
+        this.userAttr = userAttr;
+
+    }
+
+
+    /**
+     * The attibute that denotes user home directory.
+     */
+    public String getHomeAttr() {
+
+        return (this.homeAttr);
+
+    }
+    public void setHomeAttr(String homeAttr) {
+
+        this.homeAttr = homeAttr;
+
+    }
+
 
     /**
      * Return the user database class name for this component.