// --- 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) 2012 Red Hat, Inc. // All rights reserved. // --- END COPYRIGHT BLOCK --- package com.netscape.cms.authentication; // ldap java sdk import java.util.Enumeration; import java.util.Locale; import java.util.Vector; import netscape.ldap.LDAPConnection; import netscape.ldap.LDAPException; import com.netscape.certsrv.apps.CMS; import com.netscape.certsrv.authentication.AuthToken; import com.netscape.certsrv.authentication.EInvalidCredentials; import com.netscape.certsrv.authentication.EMissingCredential; import com.netscape.certsrv.authentication.IAuthCredentials; import com.netscape.certsrv.authentication.IAuthToken; import com.netscape.certsrv.base.EBaseException; import com.netscape.certsrv.base.EPropertyNotFound; // cert server imports. import com.netscape.certsrv.base.IConfigStore; import com.netscape.certsrv.base.IExtendedPluginInfo; import com.netscape.certsrv.ldap.ELdapException; import com.netscape.certsrv.logging.ILogger; import com.netscape.certsrv.profile.EProfileException; import com.netscape.certsrv.profile.IProfile; import com.netscape.certsrv.profile.IProfileAuthenticator; import com.netscape.certsrv.property.Descriptor; import com.netscape.certsrv.property.IDescriptor; import com.netscape.certsrv.request.IRequest; // cert server x509 imports // java sdk imports. /** * uid/pwd directory based authentication manager *

* * @version $Revision$, $Date$ */ public class UserPwdDirAuthentication extends DirBasedAuthentication implements IProfileAuthenticator { /* required credentials to authenticate. uid and pwd are strings. */ public static final String CRED_UID = "uid"; public static final String CRED_PWD = "pwd"; public String mAttr = CRED_UID; protected String[] mRequiredCreds = { mAttr, CRED_PWD }; protected String mAttrName = null; protected String mAttrDesc = null; /* Holds configuration parameters accepted by this implementation. * This list is passed to the configuration console so configuration * for instances of this implementation can be configured through the * console. */ protected static String[] mConfigParams = new String[] { PROP_DNPATTERN, PROP_LDAPSTRINGATTRS, PROP_LDAPBYTEATTRS, "ldap.ldapconn.host", "ldap.ldapconn.port", "ldap.ldapconn.secureConn", "ldap.ldapconn.version", "ldap.basedn", "ldap.attrName", "ldap.attrDesc", "ldap.minConns", "ldap.maxConns", }; static { mExtendedPluginInfo.add("ldap.attrName;string,required;Attribute name " + "like 'cn' or 'uid' allowing to build user's DN by combining " + "user name with base DN for example 'cn=jsmith, o=company'."); mExtendedPluginInfo.add("ldap.attrDesc;string,required;Attribute description " + "like 'LDAP User CN' or 'LDAP User UID' presented on enrollment page."); mExtendedPluginInfo.add(IExtendedPluginInfo.HELP_TEXT + ";Authenticate the username and password provided " + "by the user against an LDAP directory. Works with the " + "Dir Based Enrollment HTML form"); mExtendedPluginInfo.add(IExtendedPluginInfo.HELP_TOKEN + ";configuration-authrules-uidpwddirauth"); }; /** * Default constructor, initialization must follow. */ public UserPwdDirAuthentication() { super(); } /** * Initializes the UdnPwdDirAuthentication auth manager. *

* * @param name - The name for this authentication manager instance. * @param implName - The name of the authentication manager plugin. * @param config - The configuration store for this instance. * @exception EBaseException If an error occurs during initialization. */ public void init(String name, String implName, IConfigStore config) throws EBaseException { super.init(name, implName, config); CMS.debug("UserPwdDirAuthentication init"); mAttrName = mLdapConfig.getString("attrName", null); if (mAttrName == null || mAttrName.trim().length() == 0) { throw new EPropertyNotFound(CMS.getUserMessage("CMS_BASE_GET_PROPERTY_FAILED", "attrName")); } mAttrName = mAttrName.trim(); mAttrDesc = mLdapConfig.getString("attrDesc", null); if (mAttrDesc == null || mAttrDesc.trim().length() == 0) { throw new EPropertyNotFound(CMS.getUserMessage("CMS_BASE_GET_PROPERTY_FAILED", "attrDesc")); } mAttrDesc = mAttrDesc.trim(); if (mAttrName != null && mAttrName.length() > 0) { mAttr = mAttrName; } CMS.debug("UserPwdDirAuthentication init mAttr=" + mAttr + " mAttrName=" + mAttrName + " mAttrDesc=" + mAttrDesc); } /** * Authenticates a user based on attr, pwd in the directory. * * @param authCreds The authentication credentials. * @return The user's ldap entry dn. * @exception EInvalidCredentials If the attr and password are not valid * @exception EBaseException If an internal error occurs. */ protected String authenticate(LDAPConnection conn, IAuthCredentials authCreds, AuthToken token) throws EBaseException { String userdn = null; String attr = null; // authenticate by binding to ldap server with password. try { // get the attr. attr = (String) authCreds.get(mAttr); CMS.debug("Authenticating " + mAttr + "=" + attr); if (attr == null) { throw new EMissingCredential(CMS.getUserMessage("CMS_AUTHENTICATION_NULL_CREDENTIAL", mAttr)); } // get the password. String pwd = (String) authCreds.get(CRED_PWD); if (pwd == null) { throw new EMissingCredential(CMS.getUserMessage("CMS_AUTHENTICATION_NULL_CREDENTIAL", CRED_PWD)); } if (pwd.equals("")) { // anonymous binding not allowed log(ILogger.LL_FAILURE, CMS.getLogMessage("CMS_AUTH_EMPTY_PASSWORD", attr)); throw new EInvalidCredentials(CMS.getUserMessage("CMS_AUTHENTICATION_INVALID_CREDENTIAL")); } // get user dn. userdn = mAttr + "=" + attr + "," + mBaseDN; CMS.debug("Authenticating: userdn=" + userdn); // bind as user dn and pwd - authenticates user with pwd. conn.authenticate(userdn, pwd); CMS.debug("Authenticated: userdn=" + userdn); // set attr in the token. token.set(mAttr, attr); return userdn; } catch (ELdapException e) { log(ILogger.LL_FAILURE, CMS.getLogMessage("CANNOT_CONNECT_LDAP", e.toString())); throw e; } catch (LDAPException e) { switch (e.getLDAPResultCode()) { case LDAPException.NO_SUCH_OBJECT: case LDAPException.LDAP_PARTIAL_RESULTS: log(ILogger.LL_SECURITY, CMS.getLogMessage("USER_NOT_EXIST", attr)); throw new EInvalidCredentials(CMS.getUserMessage("CMS_AUTHENTICATION_INVALID_CREDENTIAL")); case LDAPException.INVALID_CREDENTIALS: log(ILogger.LL_SECURITY, CMS.getLogMessage("CMS_AUTH_BAD_PASSWORD", attr)); throw new EInvalidCredentials(CMS.getUserMessage("CMS_AUTHENTICATION_INVALID_CREDENTIAL")); case LDAPException.SERVER_DOWN: log(ILogger.LL_FAILURE, CMS.getLogMessage("LDAP_SERVER_DOWN")); throw new ELdapException( CMS.getUserMessage("CMS_LDAP_SERVER_UNAVAILABLE", conn.getHost(), "" + conn.getPort())); default: log(ILogger.LL_FAILURE, CMS.getLogMessage("OPERATION_ERROR", e.getMessage())); throw new ELdapException( CMS.getUserMessage("CMS_LDAP_OTHER_LDAP_EXCEPTION", e.errorCodeToString())); } } } /** * Returns a list of configuration parameter names. * The list is passed to the configuration console so instances of * this implementation can be configured through the console. * * @return String array of configuration parameter names. */ public String[] getConfigParams() { return (mConfigParams); } /** * Returns array of required credentials for this authentication manager. * * @return Array of required credentials. */ public String[] getRequiredCreds() { return mRequiredCreds; } // Profile-related methods public void init(IProfile profile, IConfigStore config) throws EProfileException { } /** * Retrieves the localizable name of this policy. */ public String getName(Locale locale) { return CMS.getUserMessage(locale, "CMS_AUTHENTICATION_LDAP_UID_NAME"); } /** * Retrieves the localizable description of this policy. */ public String getText(Locale locale) { return CMS.getUserMessage(locale, "CMS_AUTHENTICATION_LDAP_UID_TEXT"); } /** * Retrieves a list of names of the value parameter. */ public Enumeration getValueNames() { Vector v = new Vector(); v.addElement(mAttr); v.addElement(CRED_PWD); return v.elements(); } public boolean isValueWriteable(String name) { if (name.equals(mAttr)) { return true; } else if (name.equals(CRED_PWD)) { return false; } return false; } /** * Retrieves the descriptor of the given value * parameter by name. */ public IDescriptor getValueDescriptor(Locale locale, String name) { if (name.equals(mAttr)) { return new Descriptor(IDescriptor.STRING, null, null, ((mAttrDesc != null && mAttrDesc.length() > 0) ? mAttrDesc : CMS.getUserMessage(locale, "CMS_AUTHENTICATION_LDAP_UID"))); } else if (name.equals(CRED_PWD)) { return new Descriptor(IDescriptor.PASSWORD, null, null, CMS.getUserMessage(locale, "CMS_AUTHENTICATION_LDAP_PWD")); } return null; } public void populate(IAuthToken token, IRequest request) throws EProfileException { request.setExtData(IProfileAuthenticator.AUTHENTICATED_NAME, token.getInString(USER_DN)); } public boolean isSSLClientRequired() { return false; } }