/*
* The MIT License
*
* Copyright (c) 2013 Chris Frohoff
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package jenkins.security.security218.ysoserial;
import java.security.Permission;
import java.util.concurrent.Callable;
public class ExecBlockingSecurityManager extends SecurityManager {
@Override
public void checkPermission(final Permission perm) { }
@Override
public void checkPermission(final Permission perm, final Object context) { }
public void checkExec(final String cmd) {
super.checkExec(cmd);
// throw a special exception to ensure we can detect exec() in the test
throw new ExecException(cmd);
};
@SuppressWarnings("serial")
public static class ExecException extends RuntimeException {
private final String cmd;
public ExecException(String cmd) { this.cmd = cmd; }
public String getCmd() { return cmd; }
}
public static void wrap(final Runnable runnable) throws Exception {
wrap(new Callable<Void>(){
public Void call() throws Exception {
runnable.run();
return null;
}
});
}
public static <T> T wrap(final Callable<T> callable) throws Exception {
SecurityManager sm = System.getSecurityManager();
System.setSecurityManager(new ExecBlockingSecurityManager());
try {
return callable.call();
} finally {
System.setSecurityManager(sm);
}
}
}