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6899533: SecureClassLoader and URLClassLoader have unnecessary check for createClassLoader permission

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Remove code that is no longer necessary now that pre-JDK 1.2 SecurityManager methods are not supported.

Reviewed-by: mchung
This commit is contained in:
Sean Mullan 2018-09-07 08:02:51 -04:00
parent 052a740695
commit 59d3b2ccfa
2 changed files with 2 additions and 70 deletions
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35
src/java.base/share/classes/java/security/SecureClassLoader.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -42,12 +42,6 @@ import sun.security.util.Debug;
* @since 1.2
*/
public class SecureClassLoader extends ClassLoader {
/*
* If initialization succeed this is set to true and security checks will
* succeed. Otherwise the object is not initialized and the object is
* useless.
*/
private final boolean initialized;
/*
* Map that maps the CodeSource to a ProtectionDomain. The key is a
@ -81,12 +75,6 @@ public class SecureClassLoader extends ClassLoader {
*/
protected SecureClassLoader(ClassLoader parent) {
super(parent);
// this is to make the stack depth consistent with 1.1
SecurityManager security = System.getSecurityManager();
if (security != null) {
security.checkCreateClassLoader();
}
initialized = true;
}
/**
@ -104,12 +92,6 @@ public class SecureClassLoader extends ClassLoader {
*/
protected SecureClassLoader() {
super();
// this is to make the stack depth consistent with 1.1
SecurityManager security = System.getSecurityManager();
if (security != null) {
security.checkCreateClassLoader();
}
initialized = true;
}
/**
@ -130,11 +112,6 @@ public class SecureClassLoader extends ClassLoader {
*/
protected SecureClassLoader(String name, ClassLoader parent) {
super(name, parent);
SecurityManager security = System.getSecurityManager();
if (security != null) {
security.checkCreateClassLoader();
}
initialized = true;
}
/**
@ -220,7 +197,6 @@ public class SecureClassLoader extends ClassLoader {
*/
protected PermissionCollection getPermissions(CodeSource codesource)
{
check();
return new Permissions(); // ProtectionDomain defers the binding
}
@ -260,15 +236,6 @@ public class SecureClassLoader extends ClassLoader {
});
}
/*
* Check to make sure the class loader has been initialized.
*/
private void check() {
if (!initialized) {
throw new SecurityException("ClassLoader object not initialized");
}
}
private static class CodeSourceKey {
private final CodeSource cs;