| /* |
| * Copyright (c) 1999, 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 sun.security.ssl; |
| |
| import java.io.PrintStream; |
| import java.util.Locale; |
| |
| import sun.security.util.HexDumpEncoder; |
| import java.nio.ByteBuffer; |
| |
| import sun.security.action.GetPropertyAction; |
| |
| /** |
| * This class has be shamefully lifted from sun.security.util.Debug |
| * |
| * @author Gary Ellison |
| */ |
| public class Debug { |
| |
| private String prefix; |
| |
| private static String args; |
| |
| static { |
| args = GetPropertyAction.privilegedGetProperty("javax.net.debug", ""); |
| args = args.toLowerCase(Locale.ENGLISH); |
| if (args.equals("help")) { |
| Help(); |
| } |
| } |
| |
| public static void Help() |
| { |
| System.err.println(); |
| System.err.println("all turn on all debugging"); |
| System.err.println("ssl turn on ssl debugging"); |
| System.err.println(); |
| System.err.println("The following can be used with ssl:"); |
| System.err.println("\trecord enable per-record tracing"); |
| System.err.println("\thandshake print each handshake message"); |
| System.err.println("\tkeygen print key generation data"); |
| System.err.println("\tsession print session activity"); |
| System.err.println("\tdefaultctx print default SSL initialization"); |
| System.err.println("\tsslctx print SSLContext tracing"); |
| System.err.println("\tsessioncache print session cache tracing"); |
| System.err.println("\tkeymanager print key manager tracing"); |
| System.err.println("\ttrustmanager print trust manager tracing"); |
| System.err.println("\tpluggability print pluggability tracing"); |
| System.err.println(); |
| System.err.println("\thandshake debugging can be widened with:"); |
| System.err.println("\tdata hex dump of each handshake message"); |
| System.err.println("\tverbose verbose handshake message printing"); |
| System.err.println(); |
| System.err.println("\trecord debugging can be widened with:"); |
| System.err.println("\tplaintext hex dump of record plaintext"); |
| System.err.println("\tpacket print raw SSL/TLS packets"); |
| System.err.println(); |
| System.exit(0); |
| } |
| |
| /** |
| * Get a Debug object corresponding to whether or not the given |
| * option is set. Set the prefix to be the same as option. |
| */ |
| |
| public static Debug getInstance(String option) |
| { |
| return getInstance(option, option); |
| } |
| |
| /** |
| * Get a Debug object corresponding to whether or not the given |
| * option is set. Set the prefix to be prefix. |
| */ |
| public static Debug getInstance(String option, String prefix) |
| { |
| if (isOn(option)) { |
| Debug d = new Debug(); |
| d.prefix = prefix; |
| return d; |
| } else { |
| return null; |
| } |
| } |
| |
| /** |
| * True if the property "javax.net.debug" contains the |
| * string "option". |
| */ |
| public static boolean isOn(String option) |
| { |
| if (args == null) { |
| return false; |
| } else { |
| int n = 0; |
| option = option.toLowerCase(Locale.ENGLISH); |
| |
| if (args.indexOf("all") != -1) { |
| return true; |
| } else if ((n = args.indexOf("ssl")) != -1) { |
| if (args.indexOf("sslctx", n) == -1) { |
| // don't enable data and plaintext options by default |
| if (!(option.equals("data") |
| || option.equals("packet") |
| || option.equals("plaintext"))) { |
| return true; |
| } |
| } |
| } |
| return (args.indexOf(option) != -1); |
| } |
| } |
| |
| /** |
| * print a message to stderr that is prefixed with the prefix |
| * created from the call to getInstance. |
| */ |
| |
| public void println(String message) |
| { |
| System.err.println(prefix + ": "+message); |
| } |
| |
| /** |
| * Print a message to stdout. |
| */ |
| static void log(String message) { |
| System.out.println(Thread.currentThread().getName() + ": " + message); |
| } |
| |
| /** |
| * print a blank line to stderr that is prefixed with the prefix. |
| */ |
| |
| public void println() |
| { |
| System.err.println(prefix + ":"); |
| } |
| |
| /** |
| * print a message to stderr that is prefixed with the prefix. |
| */ |
| public static void println(String prefix, String message) |
| { |
| System.err.println(prefix + ": "+message); |
| } |
| |
| public static void println(PrintStream s, String name, byte[] data) { |
| s.print(name + ": { "); |
| if (data == null) { |
| s.print("null"); |
| } else { |
| for (int i = 0; i < data.length; i++) { |
| if (i != 0) s.print(", "); |
| s.print(data[i] & 0x0ff); |
| } |
| } |
| s.println(" }"); |
| } |
| |
| /** |
| * Return the value of the boolean System property propName. |
| * |
| * Note use of privileged action. Do NOT make accessible to applications. |
| */ |
| static boolean getBooleanProperty(String propName, boolean defaultValue) { |
| // if set, require value of either true or false |
| String b = GetPropertyAction.privilegedGetProperty(propName); |
| if (b == null) { |
| return defaultValue; |
| } else if (b.equalsIgnoreCase("false")) { |
| return false; |
| } else if (b.equalsIgnoreCase("true")) { |
| return true; |
| } else { |
| throw new RuntimeException("Value of " + propName |
| + " must either be 'true' or 'false'"); |
| } |
| } |
| |
| static String toString(byte[] b) { |
| return sun.security.util.Debug.toString(b); |
| } |
| |
| static void printHex(String prefix, byte[] bytes) { |
| HexDumpEncoder dump = new HexDumpEncoder(); |
| |
| synchronized (System.out) { |
| System.out.println(prefix); |
| try { |
| dump.encodeBuffer(bytes, System.out); |
| } catch (Exception e) { |
| // ignore |
| } |
| System.out.flush(); |
| } |
| } |
| |
| static void printHex(String prefix, ByteBuffer bb) { |
| HexDumpEncoder dump = new HexDumpEncoder(); |
| |
| synchronized (System.out) { |
| System.out.println(prefix); |
| try { |
| dump.encodeBuffer(bb.slice(), System.out); |
| } catch (Exception e) { |
| // ignore |
| } |
| System.out.flush(); |
| } |
| } |
| |
| static void printHex(String prefix, byte[] bytes, int offset, int length) { |
| HexDumpEncoder dump = new HexDumpEncoder(); |
| |
| synchronized (System.out) { |
| System.out.println(prefix); |
| try { |
| ByteBuffer bb = ByteBuffer.wrap(bytes, offset, length); |
| dump.encodeBuffer(bb, System.out); |
| } catch (Exception e) { |
| // ignore |
| } |
| System.out.flush(); |
| } |
| } |
| } |