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34 import javax.security.sasl.*;
35 import javax.security.auth.callback.*;
36 import java.security.Security;
37 import java.util.*;
38
39 public class Integrity {
40 private static final String MECH = "DIGEST-MD5";
41 private static final String SERVER_FQDN = "machineX.imc.org";
42 private static final String PROTOCOL = "jmx";
43
44 private static final byte[] EMPTY = new byte[0];
45
46 private static String pwfile, namesfile, proxyfile;
47 private static boolean auto;
48 private static boolean verbose = false;
49
50 private static byte[][] clntdata, srvdata;
51
52 private static void init(String[] args) throws Exception {
53 if (args.length == 0) {
54 pwfile = "pw.properties";
55 namesfile = "names.properties";
56 auto = true;
57 } else {
58 int i = 0;
59 if (args[i].equals("-m")) {
60 i++;
61 auto = false;
62 }
63 if (args.length > i) {
64 pwfile = args[i++];
65
66 if (args.length > i) {
67 namesfile = args[i++];
68
69 if (args.length > i) {
70 proxyfile = args[i];
71 }
72 }
73 } else {
74 pwfile = "pw.properties";
75 namesfile = "names.properties";
76 }
77 }
78
79 initData();
80 }
81
82
83 public static void main(String[] args) throws Exception {
84
85 init(args);
86
87 CallbackHandler clntCbh = new ClientCallbackHandler(auto);
88
89 CallbackHandler srvCbh =
90 new PropertiesFileCallbackHandler(pwfile, namesfile, proxyfile);
91
92 Map srvProps = new HashMap();
93 srvProps.put(Sasl.QOP, "auth-int");
94
95 Map clntProps = new HashMap();
96 clntProps.put(Sasl.QOP, "auth-int");
97
98 SaslClient clnt = Sasl.createSaslClient(
99 new String[]{MECH}, null, PROTOCOL, SERVER_FQDN, clntProps, clntCbh);
100
101 SaslServer srv = Sasl.createSaslServer(MECH, PROTOCOL, SERVER_FQDN,
102 srvProps, srvCbh);
103
104 if (clnt == null) {
105 throw new IllegalStateException(
106 "Unable to find client impl for " + MECH);
107 }
108 if (srv == null) {
109 throw new IllegalStateException(
110 "Unable to find server impl for " + MECH);
111 }
112
113 byte[] response = (clnt.hasInitialResponse()?
114 clnt.evaluateChallenge(EMPTY) : EMPTY);
115 byte[] challenge;
116
117 while (!clnt.isComplete() || !srv.isComplete()) {
118 challenge = srv.evaluateResponse(response);
119
120 if (challenge != null) {
121 response = clnt.evaluateChallenge(challenge);
122 }
123 }
124
125 if (clnt.isComplete() && srv.isComplete()) {
126 if (verbose) {
127 System.out.println("SUCCESS");
128 System.out.println("authzid is " + srv.getAuthorizationID());
129 }
130 } else {
131 throw new IllegalStateException("FAILURE: mismatched state:" +
132 " client complete? " + clnt.isComplete() +
133 " server complete? " + srv.isComplete());
134 }
135
136
137 int count = 0;
138 for (int i = 0; i < clntStrs.length; i++) {
139 byte[] orig = clntdata[i];
140 byte[] wrapped = clnt.wrap(clntdata[i], 0, clntdata[i].length);
141 byte[] unwrapped = srv.unwrap(wrapped, 0, wrapped.length);
142
143 if (!Arrays.equals(orig, unwrapped)) {
144 throw new SaslException("Server cannot unwrap client data");
145 }
146
147 byte[] sorig = srvdata[i];
148 byte[] swrapped = srv.wrap(srvdata[i], 0, srvdata[i].length);
149 byte[] sunwrapped = clnt.unwrap(swrapped, 0, swrapped.length);
150
151 if (!Arrays.equals(sorig, sunwrapped)) {
152 throw new SaslException("Client cannot unwrap server data");
153 }
154 ++count;
155 }
156
157 if (verbose)
158 System.out.println(count + " sets of wrap/unwrap between client/server");
159
160 clnt.dispose();
161 srv.dispose();
162 }
163
164 private static final String[] srvStrs = new String[] {
165 "A is the 1st letter",
166 "B is the 2nd letter",
167 "C is the 3rd letter",
168 "D is the 4th letter",
169 "E is the 5th letter",
170 "F is the 6th letter",
171 "G is the 7th letter",
172 "H is the 8th letter",
173 "I is the 9th letter",
174 "J is the 10th letter",
175 "K is the 11th letter",
176 "L is the 12th letter",
177 "M is the 13th letter",
178 };
179
180 private static final String[] clntStrs = new String[] {
181 "0",
182 "1",
183 "2",
184 "3",
185 "4",
186 "5",
187 "6",
188 "7",
189 "8",
190 "9",
191 "10",
192 "11",
193 "12",
194 };
195
196 private static void initData() {
197 clntdata = new byte[clntStrs.length][];
198 for (int i = 0; i < clntStrs.length; i++) {
199 clntdata[i] = clntStrs[i].getBytes();
200 }
201
202 srvdata = new byte[srvStrs.length][];
203 for (int i = 0; i < srvStrs.length; i++) {
204 srvdata[i] = srvStrs[i].getBytes();
205 }
206 }
207 }