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
*/
public final class SecurityClassLoad {
public static void securityClassLoad(ClassLoader loader) throws Exception {
securityClassLoad(loader, true);
}
static void securityClassLoad(ClassLoader loader, boolean requireSecurityManager) throws Exception {
if (requireSecurityManager && System.getSecurityManager() == null) {
return;
}
loadCorePackage(loader);
loadCoyotePackage(loader);
loadLoaderPackage(loader);
loadRealmPackage(loader);
loadServletsPackage(loader);
loadSessionPackage(loader);
loadUtilPackage(loader);
loadJavaxPackage(loader);
loadConnectorPackage(loader);
loadTomcatPackage(loader);
}
private static void loadCorePackage(ClassLoader loader) throws Exception {
final String basePackage = "org.apache.catalina.core.";
loader.loadClass(basePackage + "AccessLogAdapter");
loader.loadClass(basePackage + "ApplicationContextFacade$PrivilegedExecuteMethod");
loader.loadClass(basePackage + "ApplicationDispatcher$PrivilegedForward");
loader.loadClass(basePackage + "ApplicationDispatcher$PrivilegedInclude");
loader.loadClass(basePackage + "ApplicationPushBuilder");
loader.loadClass(basePackage + "AsyncContextImpl");
loader.loadClass(basePackage + "AsyncContextImpl$AsyncRunnable");
loader.loadClass(basePackage + "AsyncContextImpl$DebugException");
loader.loadClass(basePackage + "AsyncListenerWrapper");
loader.loadClass(basePackage + "ContainerBase$PrivilegedAddChild");
loader.loadClass(basePackage + "DefaultInstanceManager$AnnotationCacheEntry");
loader.loadClass(basePackage + "DefaultInstanceManager$AnnotationCacheEntryType");
loader.loadClass(basePackage + "DefaultInstanceManager$PrivilegedGetField");
loader.loadClass(basePackage + "DefaultInstanceManager$PrivilegedGetMethod");
loader.loadClass(basePackage + "DefaultInstanceManager$PrivilegedLoadClass");
loader.loadClass(basePackage + "ApplicationHttpRequest$AttributeNamesEnumerator");
}
private static void loadLoaderPackage(ClassLoader loader) throws Exception {
final String basePackage = "org.apache.catalina.loader.";
loader.loadClass(basePackage + "WebappClassLoaderBase$PrivilegedFindClassByName");
loader.loadClass(basePackage + "WebappClassLoaderBase$PrivilegedHasLoggingConfig");
}
private static void loadRealmPackage(ClassLoader loader) throws Exception {
final String basePackage = "org.apache.catalina.realm.";
loader.loadClass(basePackage + "LockOutRealm$LockRecord");
}
private static void loadServletsPackage(ClassLoader loader) throws Exception {
final String basePackage = "org.apache.catalina.servlets.";
// Avoid a possible memory leak in the DefaultServlet when running with
// a security manager. The DefaultServlet needs to load an XML parser
// when running under a security manager. We want this to be loaded by
// the container rather than a web application to prevent a memory leak
// via web application class loader.
loader.loadClass(basePackage + "DefaultServlet");
}
private static void loadSessionPackage(ClassLoader loader) throws Exception {
final String basePackage = "org.apache.catalina.session.";
loader.loadClass(basePackage + "StandardSession");
loader.loadClass(basePackage + "StandardSession$PrivilegedNewSessionFacade");
loader.loadClass(basePackage + "StandardManager$PrivilegedDoUnload");
}
private static void loadUtilPackage(ClassLoader loader) throws Exception {
final String basePackage = "org.apache.catalina.util.";
loader.loadClass(basePackage + "ParameterMap");
loader.loadClass(basePackage + "RequestUtil");
loader.loadClass(basePackage + "TLSUtil");
}
private static void loadCoyotePackage(ClassLoader loader) throws Exception {
final String basePackage = "org.apache.coyote.";
loader.loadClass(basePackage + "http11.Constants");
// Make sure system property is read at this point
Class<?> clazz = loader.loadClass(basePackage + "Constants");
clazz.getConstructor().newInstance();
loader.loadClass(basePackage + "http2.Stream$PrivilegedPush");
}
private static void loadJavaxPackage(ClassLoader loader) throws Exception {
loader.loadClass("javax.servlet.http.Cookie");
}
private static 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$GetSessionPrivilegedAction");
loader.loadClass(basePackage + "ResponseFacade$FlushBufferPrivilegedAction");
loadAnonymousInnerClasses(loader, basePackage + "OutputBuffer");
loadAnonymousInnerClasses(loader, basePackage + "CoyoteInputStream");
loader.loadClass(basePackage + "CoyoteOutputStream");
loadAnonymousInnerClasses(loader, basePackage + "InputBuffer");
loadAnonymousInnerClasses(loader, basePackage + "Response");
}
private static void loadTomcatPackage(ClassLoader loader) throws Exception {
final String basePackage = "org.apache.tomcat.";
// buf
loader.loadClass(basePackage + "util.buf.B2CConverter");
loader.loadClass(basePackage + "util.buf.ByteBufferUtils");
loader.loadClass(basePackage + "util.buf.C2BConverter");
loader.loadClass(basePackage + "util.buf.HexUtils");
loader.loadClass(basePackage + "util.buf.StringCache");
loader.loadClass(basePackage + "util.buf.StringCache$ByteEntry");
loader.loadClass(basePackage + "util.buf.StringCache$CharEntry");
loader.loadClass(basePackage + "util.buf.UriUtil");
// collections
Class<?> clazz = loader.loadClass(basePackage + "util.collections.CaseInsensitiveKeyMap");
// Ensure StringManager is configured
clazz.getConstructor().newInstance();
loader.loadClass(basePackage + "util.collections.CaseInsensitiveKeyMap$EntryImpl");
loader.loadClass(basePackage + "util.collections.CaseInsensitiveKeyMap$EntryIterator");
loader.loadClass(basePackage + "util.collections.CaseInsensitiveKeyMap$EntrySet");
loader.loadClass(basePackage + "util.collections.CaseInsensitiveKeyMap$Key");
// http
loader.loadClass(basePackage + "util.http.CookieProcessor");
loader.loadClass(basePackage + "util.http.NamesEnumerator");
// Make sure system property is read at this point
clazz = loader.loadClass(basePackage + "util.http.FastHttpDateFormat");
clazz.getConstructor().newInstance();
loader.loadClass(basePackage + "util.http.parser.HttpParser");
loader.loadClass(basePackage + "util.http.parser.MediaType");
loader.loadClass(basePackage + "util.http.parser.MediaTypeCache");
loader.loadClass(basePackage + "util.http.parser.SkipResult");
// net
loader.loadClass(basePackage + "util.net.Constants");
loader.loadClass(basePackage + "util.net.DispatchType");
loader.loadClass(basePackage + "util.net.AprEndpoint$AprSocketWrapper$AprOperationState");
loader.loadClass(basePackage + "util.net.NioEndpoint$NioSocketWrapper$NioOperationState");
loader.loadClass(basePackage + "util.net.Nio2Endpoint$Nio2SocketWrapper$Nio2OperationState");
loader.loadClass(basePackage + "util.net.SocketWrapperBase$BlockingMode");
loader.loadClass(basePackage + "util.net.SocketWrapperBase$CompletionCheck");
loader.loadClass(basePackage + "util.net.SocketWrapperBase$CompletionHandlerCall");
loader.loadClass(basePackage + "util.net.SocketWrapperBase$CompletionState");
loader.loadClass(basePackage + "util.net.SocketWrapperBase$VectoredIOCompletionHandler");
loader.loadClass(basePackage + "util.net.TLSClientHelloExtractor");
loader.loadClass(basePackage + "util.net.TLSClientHelloExtractor$ExtractorResult");
// security
loader.loadClass(basePackage + "util.security.PrivilegedGetTccl");
loader.loadClass(basePackage + "util.security.PrivilegedSetTccl");
loader.loadClass(basePackage + "util.security.PrivilegedSetAccessControlContext");
}
private static void loadAnonymousInnerClasses(ClassLoader loader, String enclosingClass) {
try {
for (int i = 1;; i++) {
loader.loadClass(enclosingClass + '$' + i);
}
} catch (ClassNotFoundException ignored) {
//
}
}
}