1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 2018 SAP SE. All rights reserved. 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This code is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 only, as 8 * published by the Free Software Foundation. Oracle designates this 9 * particular file as subject to the "Classpath" exception as provided 10 * by Oracle in the LICENSE file that accompanied this code. 11 * 12 * This code is distributed in the hope that it will be useful, but WITHOUT 13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 * version 2 for more details (a copy is included in the LICENSE file that 16 * accompanied this code). 17 * 18 * You should have received a copy of the GNU General Public License version 19 * 2 along with this work; if not, write to the Free Software Foundation, 20 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 21 * 22 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 23 * or visit www.oracle.com if you need additional information or have any 24 * questions. 25 */ 26 27 package sun.security.util; 28 29 import java.security.AccessController; 30 import java.security.PrivilegedAction; 31 import java.security.Security; 32 33 public class SecurityProperties { 34 35 public static final boolean INCLUDE_JAR_NAME_IN_EXCEPTIONS 36 = includedInExceptions("jar"); 37 38 /** 39 * Returns the value of the security property propName, which can be overridden 40 * by a system property of the same name 41 * 42 * @param propName the name of the system or security property 43 * @return the value of the system or security property 44 */ privilegedGetOverridable(String propName)45 public static String privilegedGetOverridable(String propName) { 46 return AccessController.doPrivileged((PrivilegedAction<String>) 47 () -> { 48 String val = System.getProperty(propName); 49 if (val == null) { 50 return Security.getProperty(propName); 51 } else { 52 return val; 53 } 54 }); 55 } 56 57 /** 58 * Returns true in case the system or security property "jdk.includeInExceptions" 59 * contains the category refName 60 * 61 * @param refName the category to check 62 * @return true in case the system or security property "jdk.includeInExceptions" 63 * contains refName, false otherwise 64 */ includedInExceptions(String refName)65 public static boolean includedInExceptions(String refName) { 66 String val = privilegedGetOverridable("jdk.includeInExceptions"); 67 if (val == null) { 68 return false; 69 } 70 71 String[] tokens = val.split(","); 72 for (String token : tokens) { 73 token = token.trim(); 74 if (token.equalsIgnoreCase(refName)) { 75 return true; 76 } 77 } 78 return false; 79 } 80 } 81