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/*
* Copyright (c) 2012, 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 6741606 7146431 8000450 8019830 8022945 8027144 8041633 8078427 8055206
* @summary Check that various restricted packages that are supposed to be
* restricted by default or are listed in the package.access
* property in the java.security file are blocked
* @run main/othervm CheckPackageAccess
*/
import java.lang.module.ModuleFinder;
import java.lang.module.ModuleReference;
import java.util.Arrays;
import java.util.List;
import java.util.Optional;
public class CheckPackageAccess {
private static final SecurityManager sm = new SecurityManager();
private static final ModuleFinder mf = ModuleFinder.ofSystem();
/*
* The expected list of restricted packages of the package.access property.
*
* This array should be updated whenever new packages are added to the
* package.access property in the java.security file
* NOTE: it should be in the same order as the java.security file
*/
private static final String[] EXPECTED = {
"sun.misc.",
"sun.reflect.",
};
/**
* Tests access to various packages of a module.
*/
private static class Test {
String moduleName; // name of module
ModuleReference moduleRef; // module reference
String exports; // exported pkg
Optional<String> opens; // opened pkg
String conceals; // concealed pkg
Optional<String> qualExports; // qualified export pkg
Optional<String> qualOpens; // qualified open pkg
// qual open and non-qualified export pkg
Optional<String> qualOpensAndExports;
Test(String module, String exports, String opens, String conceals,
String qualExports, String qualOpens, String qualOpensAndExports) {
this.moduleName = module;
this.moduleRef = mf.find(moduleName).get();
this.exports = exports;
this.opens = Optional.ofNullable(opens);
this.conceals = conceals;
this.qualExports = Optional.ofNullable(qualExports);
this.qualOpens = Optional.ofNullable(qualOpens);
this.qualOpensAndExports = Optional.ofNullable(qualOpensAndExports);
}
void test() {
final boolean isModulePresent =
ModuleLayer.boot().findModule(moduleName).isPresent();
System.out.format("Testing module: %1$s. Module is%2$s present.\n",
moduleName, isModulePresent ? "" : " NOT");
if (isModulePresent) {
// access to exported pkg should pass
testNonRestricted(exports);
// access to opened pkg should pass
opens.ifPresent(Test::testNonRestricted);
// access to concealed pkg should fail
testRestricted(conceals);
// access to qualified export pkg should fail
qualExports.ifPresent(Test::testRestricted);
// access to qualified open pkg should fail
qualOpens.ifPresent(Test::testRestricted);
// access to qualified opened pkg that is also exported should pass
qualOpensAndExports.ifPresent(Test::testNonRestricted);
} else {
System.out.println("Skipping tests for module.");
}
}
private static void testRestricted(String pkg) {
try {
sm.checkPackageAccess(pkg);
throw new RuntimeException("Able to access restricted package: "
+ pkg);
} catch (SecurityException se) {}
try {
sm.checkPackageDefinition(pkg);
throw new RuntimeException("Able to access restricted package: "
+ pkg);
} catch (SecurityException se) {}
}
private static void testNonRestricted(String pkg) {
try {
sm.checkPackageAccess(pkg);
} catch (SecurityException se) {
throw new RuntimeException("Unable to access exported package: "
+ pkg, se);
}
try {
sm.checkPackageDefinition(pkg);
} catch (SecurityException se) {
throw new RuntimeException("Unable to access exported package: "
+ pkg, se);
}
}
}
private static final Test[] tests = new Test[] {
// java.base module loaded by boot loader
new Test("java.base", "java.security", null, "jdk.internal.jrtfs",
"jdk.internal.loader", null, null),
// java.desktop module loaded by boot loader and has an openQual pkg
// that is exported
new Test("java.desktop", "java.applet", null, "sun.applet",
"sun.awt", null, "javax.swing.plaf.basic"),
// java.security.jgss module loaded by platform loader
new Test("java.security.jgss", "org.ietf.jgss", null,
"sun.security.krb5.internal.crypto", "sun.security.krb5",
null, null),
};
public static void main(String[] args) throws Exception {
// check expected list of restricted packages in java.security file
checkPackages(Arrays.asList(EXPECTED));
// check access to each module's packages
for (Test test : tests) {
test.test();
}
System.out.println("Test passed");
}
private static void checkPackages(List<String> pkgs) {
for (String pkg : pkgs) {
try {
sm.checkPackageAccess(pkg);
throw new RuntimeException("Able to access " + pkg +
" package");
} catch (SecurityException se) { }
try {
sm.checkPackageDefinition(pkg);
throw new RuntimeException("Able to define class in " + pkg +
" package");
} catch (SecurityException se) { }
String subpkg = pkg + "foo";
try {
sm.checkPackageAccess(subpkg);
throw new RuntimeException("Able to access " + subpkg +
" package");
} catch (SecurityException se) { }
try {
sm.checkPackageDefinition(subpkg);
throw new RuntimeException("Able to define class in " +
subpkg + " package");
} catch (SecurityException se) { }
}
}
}
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