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8344011: Remove usage of security manager from Class and reflective APIs

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Reviewed-by: liach, yzheng, rriggs
This commit is contained in:
Alan Bateman 2024-11-14 07:39:28 +00:00
parent c977ef7b45
commit abacece826
26 changed files with 163 additions and 1251 deletions
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24
src/java.base/share/classes/java/lang/ModuleLayer.java
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@ -44,7 +44,6 @@ import java.util.function.Function;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import jdk.internal.javac.PreviewFeature;
import jdk.internal.javac.Restricted;
import jdk.internal.loader.ClassLoaderValue;
import jdk.internal.loader.Loader;
@ -54,7 +53,6 @@ import jdk.internal.misc.CDS;
import jdk.internal.reflect.CallerSensitive;
import jdk.internal.reflect.Reflection;
import jdk.internal.vm.annotation.Stable;
import sun.security.util.SecurityConstants;
/**
* A layer of modules in the Java virtual machine.
@ -505,9 +503,6 @@ public final class ModuleLayer {
List<ModuleLayer> parents = List.copyOf(parentLayers);
checkConfiguration(cf, parents);
checkCreateClassLoaderPermission();
checkGetClassLoaderPermission();
try {
Loader loader = new Loader(cf.modules(), parentLoader);
loader.initRemotePackageMap(cf, parents);
@ -572,9 +567,6 @@ public final class ModuleLayer {
List<ModuleLayer> parents = List.copyOf(parentLayers);
checkConfiguration(cf, parents);
checkCreateClassLoaderPermission();
checkGetClassLoaderPermission();
LoaderPool pool = new LoaderPool(cf, parents, parentLoader);
try {
ModuleLayer layer = new ModuleLayer(cf, parents, pool::loaderFor);
@ -654,8 +646,6 @@ public final class ModuleLayer {
checkConfiguration(cf, parents);
Objects.requireNonNull(clf);
checkGetClassLoaderPermission();
// The boot layer is checked during module system initialization
if (boot() != null) {
checkForDuplicatePkgs(cf, clf);
@ -693,20 +683,6 @@ public final class ModuleLayer {
}
}
private static void checkCreateClassLoaderPermission() {
@SuppressWarnings("removal")
SecurityManager sm = System.getSecurityManager();
if (sm != null)
sm.checkPermission(SecurityConstants.CREATE_CLASSLOADER_PERMISSION);
}
private static void checkGetClassLoaderPermission() {
@SuppressWarnings("removal")
SecurityManager sm = System.getSecurityManager();
if (sm != null)
sm.checkPermission(SecurityConstants.GET_CLASSLOADER_PERMISSION);
}
/**
* Checks a configuration and the module-to-loader mapping to ensure that
* no two modules mapped to the same class loader have the same package.