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/*******************************************************************************
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*Copyright (c) 2009 Eucalyptus Systems, Inc.
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, only version 3 of the License.
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* This file is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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* Please contact Eucalyptus Systems, Inc., 130 Castilian
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* Dr., Goleta, CA 93101 USA or visit <http://www.eucalyptus.com/licenses/>
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* if you need additional information or have any questions.
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* This file may incorporate work covered under the following copyright and
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* Software License Agreement (BSD License)
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* Copyright (c) 2008, Regents of the University of California
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* All rights reserved.
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* Redistribution and use of this software in source and binary forms, with
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* or without modification, are permitted provided that the following
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. USERS OF
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* THIS SOFTWARE ACKNOWLEDGE THE POSSIBLE PRESENCE OF OTHER OPEN SOURCE
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* LICENSED MATERIAL, COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS
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* SOFTWARE, AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING
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* IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA, SANTA
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* BARBARA WHO WILL THEN ASCERTAIN THE MOST APPROPRIATE REMEDY, WHICH IN
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* THE REGENTS’ DISCRETION MAY INCLUDE, WITHOUT LIMITATION, REPLACEMENT
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* OF THE CODE SO IDENTIFIED, LICENSING OF THE CODE SO IDENTIFIED, OR
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* WITHDRAWAL OF THE CODE CAPABILITY TO THE EXTENT NEEDED TO COMPLY WITH
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* ANY SUCH LICENSES OR RIGHTS.
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*******************************************************************************/
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* Author: Neil Soman neil@eucalyptus.com
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package com.eucalyptus.auth.login;
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import java.security.PublicKey;
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import java.security.Signature;
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import java.security.cert.X509Certificate;
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import org.apache.log4j.Logger;
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import org.apache.xml.security.utils.Base64;
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import com.eucalyptus.auth.Groups;
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import com.eucalyptus.auth.NoSuchUserException;
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import com.eucalyptus.auth.SystemCredentialProvider;
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import com.eucalyptus.auth.Users;
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import com.eucalyptus.auth.api.BaseLoginModule;
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import com.eucalyptus.auth.principal.User;
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import com.eucalyptus.auth.util.Hashes;
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import com.eucalyptus.bootstrap.Component;
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public class WalrusComponentLoginModule extends BaseLoginModule<WalrusWrappedComponentCredentials> {
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private static Logger LOG = Logger.getLogger( WalrusComponentLoginModule.class );
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public WalrusComponentLoginModule() {}
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public boolean accepts( ) {
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return super.getCallbackHandler( ) instanceof WalrusWrappedComponentCredentials;
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public boolean authenticate( WalrusWrappedComponentCredentials credentials ) throws Exception {
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boolean valid = false;
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String data = credentials.getLoginData();
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String signature = credentials.getSignature();
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PublicKey publicKey = SystemCredentialProvider.getCredentialProvider(Component.storage).getCertificate().getPublicKey();
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sig = Signature.getInstance("SHA1withRSA");
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sig.initVerify(publicKey);
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sig.update(data.getBytes());
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valid = sig.verify(Base64.decode(signature));
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} catch ( Exception e ) {
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LOG.warn ("Authentication: certificate not found in keystore");
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if( !valid && credentials.getCertString() != null ) {
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X509Certificate nodeCert = Hashes.getPemCert( Base64.decode( credentials.getCertString() ) );
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if(nodeCert != null) {
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PublicKey publicKey = nodeCert.getPublicKey( );
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sig = Signature.getInstance( "SHA1withRSA" );
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sig.initVerify( publicKey );
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sig.update( data.getBytes( ) );
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valid = sig.verify( Base64.decode( signature ) );
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} catch ( Exception e2 ) {
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LOG.error ("Authentication error: " + e2.getMessage());
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} catch (Exception ex) {
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LOG.error ("Authentication error: " + ex.getMessage());
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String queryId = credentials.getQueryId();
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if(queryId != null) {
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user = Users.lookupQueryId(queryId);
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user = Users.lookupUser( "admin" );
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user.setAdministrator(true);
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super.setCredential(queryId);
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super.setPrincipal(user);
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super.getGroups().addAll(Groups.lookupUserGroups( super.getPrincipal()));
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} catch (NoSuchUserException e) {
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public void reset( ) {}