bundles/org.apache.tomcat/src/org/apache/catalina/security/SecurityClassLoad.java

/*
 * 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.security;

/**
 * Static class used to preload java classes when using the
 * Java SecurityManager so that the defineClassInPackage
 * RuntimePermission does not trigger an AccessControlException.
 *
 * @author Glenn L. Nielsen
 * @author Jean-Francois Arcand
 * @version $Id: SecurityClassLoad.java,v 1.1 2011/06/28 21:08:21 rherrmann Exp $
 */

public final class SecurityClassLoad {

    public static void securityClassLoad(ClassLoader loader)
        throws Exception {

        if( System.getSecurityManager() == null ){
            return;
        }
        
        loadCorePackage(loader);
        loadCoyotePackage(loader);
        loadLoaderPackage(loader);
        loadRealmPackage(loader);
        loadSessionPackage(loader);
        loadUtilPackage(loader);
        loadJavaxPackage(loader);
        loadConnectorPackage(loader);        
        loadTomcatPackage(loader);
    }
    
    
    private static final void loadCorePackage(ClassLoader loader)
        throws Exception {
        final String basePackage = "org.apache.catalina.core.";
        loader.loadClass
            (basePackage +
             "ApplicationContextFacade$1");
        loader.loadClass
            (basePackage +
             "ApplicationDispatcher$PrivilegedForward");
        loader.loadClass
            (basePackage +
             "ApplicationDispatcher$PrivilegedInclude");
        loader.loadClass
            (basePackage +
            "AsyncContextImpl");
        loader.loadClass
            (basePackage +
            "AsyncContextImpl$DebugException");
        loader.loadClass
            (basePackage +
            "AsyncContextImpl$1");
        loader.loadClass
            (basePackage +
            "AsyncListenerWrapper");
        loader.loadClass
            (basePackage +
             "ContainerBase$PrivilegedAddChild");
        loader.loadClass
            (basePackage +
             "DefaultInstanceManager$1");
        loader.loadClass
            (basePackage +
             "DefaultInstanceManager$2");
        loader.loadClass
            (basePackage +
             "DefaultInstanceManager$3");
        loader.loadClass
            (basePackage +
             "DefaultInstanceManager$4");
        loader.loadClass
            (basePackage +
             "DefaultInstanceManager$5");
        loader.loadClass
            (basePackage +
             "ApplicationHttpRequest$AttributeNamesEnumerator");
    }
    
    
    private static final void loadLoaderPackage(ClassLoader loader)
        throws Exception {
        final String basePackage = "org.apache.catalina.loader.";
        loader.loadClass
            (basePackage +
             "WebappClassLoader$PrivilegedFindResourceByName");
    }
    
    
    private static final void loadRealmPackage(ClassLoader loader)
            throws Exception {
        final String basePackage = "org.apache.catalina.realm.";
        loader.loadClass
            (basePackage + "LockOutRealm$LockRecord");
    }


    private static final void loadSessionPackage(ClassLoader loader)
        throws Exception {
        final String basePackage = "org.apache.catalina.session.";
        loader.loadClass
            (basePackage + "StandardSession");
        loader.loadClass
            (basePackage + "StandardSession$PrivilegedSetTccl");
        loader.loadClass
            (basePackage + "StandardSession$1");
        loader.loadClass
            (basePackage + "StandardManager$PrivilegedDoUnload");
    }
    
    
    private static final void loadUtilPackage(ClassLoader loader)
        throws Exception {
        final String basePackage = "org.apache.catalina.util.";
        loader.loadClass(basePackage + "Enumerator");
        loader.loadClass(basePackage + "ParameterMap");
    }
    
    
    private static final void loadCoyotePackage(ClassLoader loader)
            throws Exception {
        final String basePackage = "org.apache.coyote.";
        loader.loadClass(basePackage + "http11.AbstractOutputBuffer$1");
        // Make sure system property is read at this point
        Class<?> clazz = loader.loadClass(basePackage + "Constants");
        clazz.newInstance();
    }


    private static final void loadJavaxPackage(ClassLoader loader)
        throws Exception {
        loader.loadClass("javax.servlet.http.Cookie");
    }
    

    private static final void loadConnectorPackage(ClassLoader loader)
        throws Exception {
        final String basePackage = "org.apache.catalina.connector.";
        loader.loadClass
            (basePackage +
             "RequestFacade$GetAttributePrivilegedAction");
        loader.loadClass
            (basePackage +
             "RequestFacade$GetParameterMapPrivilegedAction");
        loader.loadClass
            (basePackage +
             "RequestFacade$GetRequestDispatcherPrivilegedAction");
        loader.loadClass
            (basePackage +
             "RequestFacade$GetParameterPrivilegedAction");
        loader.loadClass
            (basePackage +
             "RequestFacade$GetParameterNamesPrivilegedAction");
        loader.loadClass
            (basePackage +
             "RequestFacade$GetParameterValuePrivilegedAction");
        loader.loadClass
            (basePackage +
             "RequestFacade$GetCharacterEncodingPrivilegedAction");
        loader.loadClass
            (basePackage +
             "RequestFacade$GetHeadersPrivilegedAction");
        loader.loadClass
            (basePackage +
             "RequestFacade$GetHeaderNamesPrivilegedAction");  
        loader.loadClass
            (basePackage +
             "RequestFacade$GetCookiesPrivilegedAction");
        loader.loadClass
            (basePackage +
             "RequestFacade$GetLocalePrivilegedAction");
        loader.loadClass
            (basePackage +
             "RequestFacade$GetLocalesPrivilegedAction");
        loader.loadClass
            (basePackage +
             "ResponseFacade$SetContentTypePrivilegedAction");
        loader.loadClass
            (basePackage + 
             "ResponseFacade$DateHeaderPrivilegedAction");
        loader.loadClass
            (basePackage +
             "RequestFacade$GetSessionPrivilegedAction");
        loader.loadClass
            (basePackage +
             "ResponseFacade$1");
        loader.loadClass
            (basePackage +
             "OutputBuffer$1");
        loader.loadClass
            (basePackage +
             "CoyoteInputStream$1");
        loader.loadClass
            (basePackage +
             "CoyoteInputStream$2");
        loader.loadClass
            (basePackage +
             "CoyoteInputStream$3");
        loader.loadClass
            (basePackage +
             "CoyoteInputStream$4");
        loader.loadClass
            (basePackage +
             "CoyoteInputStream$5");
        loader.loadClass
            (basePackage +
             "InputBuffer$1");
        loader.loadClass
            (basePackage +
             "Response$1");
        loader.loadClass
            (basePackage +
             "Response$2");
        loader.loadClass
            (basePackage +
             "Response$3");
    }

    private static final void loadTomcatPackage(ClassLoader loader)
        throws Exception {
        final String basePackage = "org.apache.tomcat.";
        loader.loadClass(basePackage + "util.buf.StringCache");
        loader.loadClass(basePackage + "util.buf.StringCache$ByteEntry");
        loader.loadClass(basePackage + "util.buf.StringCache$CharEntry");
        loader.loadClass(basePackage + "util.http.HttpMessages");
        // Make sure system property is read at this point
        Class<?> clazz = loader.loadClass(
                basePackage + "util.http.FastHttpDateFormat");
        clazz.newInstance();
        loader.loadClass(basePackage + "util.http.HttpMessages");
        loader.loadClass(basePackage + "util.net.Constants");
        loader.loadClass(basePackage + "util.net.SSLSupport$CipherData");
        loader.loadClass
            (basePackage + "util.net.JIoEndpoint$PrivilegedSetTccl");
        loader.loadClass
            (basePackage + "util.net.AprEndpoint$PrivilegedSetTccl");
    }
}