019dac3214
2005-02-08 Andrew Haley <aph@redhat.com>
* javax/security/auth/Subject.java (doAsPrivileged): If acc is
null, create a new AccessControlContext.
* java/security/SecureClassLoader.java (protectionDomainCache):
new field.
(defineClass): Create a new protection domain and add it to our
cache.
* java/rmi/server/UnicastRemoteObject.java (exportObject): Call
addStub() to keep track of the stub we've exported.
(unexportObject): Call deleteStub().
* java/rmi/server/RemoteObject.java (stubs): New field.
(addStub): New method.
(deleteStub): New method.
(toStub): Rewrite.
* java/lang/VMCompiler.java (loadSharedLibrary): Pass
true to findHelper (tryParents).
* gnu/gcj/runtime/SharedLibLoader.java (SharedLibLoader):
Likewise.
* java/net/URLClassLoader.java (SoURLLoader): Likewise.
* gnu/gcj/runtime/SharedLibHelper.java (SharedLibHelper): Pass
ProtectionDomain.
If tryParents is false, don't scan parent class loaders.
* java/security/Permissions.java (PermissionsHash.implies):
Iterate over the collection and invoke implies() on each
element.
From-SVN: r95111
80 lines
1.9 KiB
Java
80 lines
1.9 KiB
Java
/* Copyright (C) 2001, 2003 Free Software Foundation
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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package gnu.gcj.runtime;
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import java.io.IOException;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.security.CodeSource;
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import java.util.Enumeration;
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import java.util.Vector;
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/**
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* A ClassLoader backed by a gcj-compiled shared library.
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* @author Per Bothner <per@bothner.com>, Brainfood Inc.
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*/
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public class SharedLibLoader extends ClassLoader
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{
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/** Load a shared library, and associate a ClassLoader with it.
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* @param libname named of shared library (passed to dlopen)
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* @param parent the parent ClassLoader
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* @parem flags passed to dlopen
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*/
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public SharedLibLoader(String libname, ClassLoader parent, int flags)
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{
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super(parent);
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URL url;
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try
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{
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url = new URL("file", "", libname);
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}
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catch (MalformedURLException _)
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{
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url = null;
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}
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helper = SharedLibHelper.findHelper(this, libname,
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new CodeSource(url, null), true);
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}
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/** Load a shared library, and asociate a ClassLoader with it.
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* @param libname named of shared library (passed to dlopen)
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*/
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public SharedLibLoader(String libname)
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{
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this(libname, getSystemClassLoader(), 0);
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}
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public Class findClass(String name)
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throws ClassNotFoundException
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{
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Class cls = helper.findClass(name);
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if (cls == null)
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throw new ClassNotFoundException(name);
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return cls;
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}
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public URL findResource (String name)
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{
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return helper.findResource(name);
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}
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public Enumeration findResources (String name) throws IOException
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{
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URL url = findResource(name);
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if (url == null)
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return null;
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Vector v = new Vector(1);
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v.add(url);
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return v.elements();
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}
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/** The helper that does the work for us. */
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SharedLibHelper helper;
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}
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