| /* |
| * 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); |
| } |
| |
| try (FileReader fr = new FileReader(args[0]); |
| BufferedReader br = new BufferedReader(fr); |
| FileWriter fw = new FileWriter(args[1]); |
| BufferedWriter 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(); |
| } |
| } |
| |
| private static void writeLine(BufferedWriter bw, String line) |
| throws IOException |
| { |
| bw.write(line); |
| bw.newLine(); |
| } |
| } |