Mercurial > hg > openjdk > bsd-port > jdk
view make/tools/src/build/tools/customizesecurityfile/CryptoLevel.java @ 8832:18a07ae9631c jdk7u161-b00
8157561: Ship the unlimited policy files in JDK Updates
Reviewed-by: wetmore, erikj
author | coffeys |
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date | Mon, 27 Nov 2017 05:36:59 +0000 |
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/* * Copyright (c) 2016, 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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. */ package build.tools.customizesecurityfile; import java.io.*; /** * Alters the crypto.policy security property * if --enable-unlimited-crypto is enabled. */ public class CryptoLevel { private static final String PROP_NAME = "crypto.policy"; public static void main(String[] args) throws Exception { boolean fileModified = false; if (args.length < 3) { System.err.println("Usage: java CryptoLevel" + "[input java.security file name] " + "[output java.security file name] " + "[unlimited|limited]"); System.exit(1); } if (!args[2].equals("unlimited") && !args[2].equals("limited")) { System.err.println("CryptoLevel error: Unexpected " + "input: " + args[2]); System.exit(1); } FileReader fr = null; BufferedReader br = null; FileWriter fw = null; BufferedWriter bw = null; try { fr = new FileReader(args[0]); br = new BufferedReader(fr); fw = new FileWriter(args[1]); bw = new BufferedWriter(fw); // parse the file line-by-line, looking for crypto.policy String line = br.readLine(); while (line != null) { if (line.startsWith('#' + PROP_NAME) || line.startsWith(PROP_NAME)) { writeLine(bw, PROP_NAME + "=" + args[2]); fileModified = true; } else { writeLine(bw, line); } line = br.readLine(); } if (!fileModified) { //no previous setting seen. Insert at end writeLine(bw, PROP_NAME + "=" + args[2]); } bw.flush(); } finally { if (br != null) { br.close(); } if (bw != null) { bw.close(); } if (fr != null) { fr.close(); } if (fw != null) { fw.close(); } } } private static void writeLine(BufferedWriter bw, String line) throws IOException { bw.write(line); bw.newLine(); } }