01 /*
02 * Licensed to the Apache Software Foundation (ASF) under one
03 * or more contributor license agreements. See the NOTICE file
04 * distributed with this work for additional information
05 * regarding copyright ownership. The ASF licenses this file
06 * to you under the Apache License, Version 2.0 (the
07 * "License"); you may not use this file except in compliance
08 * with the License. You may obtain a copy of the License at
09 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 *
19 *
20 */
21 package org.apache.qpid.tools.security;
22
23 import org.apache.commons.codec.binary.Base64;
24
25 import java.security.MessageDigest;
26 import java.security.NoSuchAlgorithmException;
27 import java.security.DigestException;
28 import java.io.File;
29 import java.io.FileWriter;
30 import java.io.IOException;
31 import java.io.PrintStream;
32
33 public class Passwd
34 {
35 public static void main(String args[]) throws NoSuchAlgorithmException, DigestException, IOException
36 {
37 if (args.length != 2)
38 {
39 System.out.println("Passwd <username> <password>");
40 System.exit(0);
41 }
42
43 byte[] data = args[1].getBytes("utf-8");
44
45 MessageDigest md = MessageDigest.getInstance("MD5");
46
47 for (byte b : data)
48 {
49 md.update(b);
50 }
51
52 byte[] digest = md.digest();
53
54 Base64 b64 = new Base64();
55
56 byte[] encoded = b64.encode(digest);
57
58 output(args[0], encoded);
59 }
60
61 private static void output(String user, byte[] encoded) throws IOException
62 {
63
64 // File passwdFile = new File("qpid.passwd");
65
66 PrintStream ps = new PrintStream(System.out);
67
68 user += ":";
69 ps.write(user.getBytes("utf-8"));
70
71 for (byte b : encoded)
72 {
73 ps.write(b);
74 }
75
76 ps.println();
77
78 ps.flush();
79 ps.close();
80 }
81 }
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