Java example source code file (NTLMTest.java)
The NTLMTest.java Java example source code
/*
* Copyright (c) 2010, 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.
*
* 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.
*/
/*
* @test
* @bug 6911951
* @summary NTLM should be a supported Java SASL mechanism
*/
import java.io.IOException;
import javax.security.sasl.*;
import javax.security.auth.callback.*;
import java.util.*;
public class NTLMTest {
private static final String MECH = "NTLM";
private static final String REALM = "REALM";
private static final String PROTOCOL = "jmx";
private static final byte[] EMPTY = new byte[0];
private static final String USER1 = "dummy";
private static final char[] PASS1 = "bogus".toCharArray();
private static final String USER2 = "foo";
private static final char[] PASS2 = "bar".toCharArray();
private static final Map<String,char[]> maps =
new HashMap<String,char[]>();
static {
maps.put(USER1, PASS1);
maps.put(USER2, PASS2);
}
static char[] getPass(String d, String u) {
if (!d.equals(REALM)) return null;
return maps.get(u);
}
public static void main(String[] args) throws Exception {
checkAuthOnly();
checkClientNameOverride();
checkServerDomainOverride();
checkClientDomainOverride();
checkVersions();
checkClientHostname();
}
static void checkVersions() throws Exception {
// Server accepts all version
checkVersion(null, null);
checkVersion("LM/NTLM", null);
checkVersion("LM", null);
checkVersion("NTLM", null);
checkVersion("NTLM2", null);
checkVersion("LMv2/NTLMv2", null);
checkVersion("LMv2", null);
checkVersion("NTLMv2", null);
// Client's default version is LMv2
checkVersion(null, "LMv2");
// Also works if they specified identical versions
checkVersion("LM/NTLM", "LM");
checkVersion("LM", "LM");
checkVersion("NTLM", "LM");
checkVersion("NTLM2", "NTLM2");
checkVersion("LMv2/NTLMv2", "LMv2");
checkVersion("LMv2", "LMv2");
checkVersion("NTLMv2", "LMv2");
// But should not work if different
try {
checkVersion("LM/NTLM", "LMv2");
throw new Exception("Should not succeed");
} catch (SaslException se) {
// OK
}
try {
checkVersion("LMv2/NTLMv2", "LM");
throw new Exception("Should not succeed");
} catch (SaslException se) {
// OK
}
}
/**
* A test on version matching
* @param vc ntlm version specified for client
* @param vs ntlm version specified for server
* @throws Exception
*/
private static void checkVersion(String vc, String vs) throws Exception {
Map<String,Object> pc = new HashMap<>();
pc.put("com.sun.security.sasl.ntlm.version", vc);
Map<String,Object> ps = new HashMap<>();
ps.put("com.sun.security.sasl.ntlm.version", vs);
SaslClient clnt = Sasl.createSaslClient(
new String[]{MECH}, USER1, PROTOCOL, null, pc,
new CallbackHandler() {
public void handle(Callback[] callbacks)
throws IOException, UnsupportedCallbackException {
for (Callback cb: callbacks) {
if (cb instanceof NameCallback) {
NameCallback ncb = (NameCallback)cb;
ncb.setName(ncb.getDefaultName());
} else if (cb instanceof PasswordCallback) {
((PasswordCallback)cb).setPassword(PASS1);
}
}
}
});
SaslServer srv = Sasl.createSaslServer(MECH, PROTOCOL, REALM, ps,
new CallbackHandler() {
public void handle(Callback[] callbacks)
throws IOException, UnsupportedCallbackException {
String domain = null, name = null;
PasswordCallback pcb = null;
for (Callback cb: callbacks) {
if (cb instanceof NameCallback) {
name = ((NameCallback)cb).getDefaultName();
} else if (cb instanceof RealmCallback) {
domain = ((RealmCallback)cb).getDefaultText();
} else if (cb instanceof PasswordCallback) {
pcb = (PasswordCallback)cb;
}
}
if (pcb != null) {
pcb.setPassword(getPass(domain, name));
}
}
});
handshake(clnt, srv);
}
private static void checkClientHostname() throws Exception {
Map<String,Object> pc = new HashMap<>();
pc.put("com.sun.security.sasl.ntlm.hostname", "this.is.com");
SaslClient clnt = Sasl.createSaslClient(
new String[]{MECH}, USER1, PROTOCOL, null, pc,
new CallbackHandler() {
public void handle(Callback[] callbacks)
throws IOException, UnsupportedCallbackException {
for (Callback cb: callbacks) {
if (cb instanceof NameCallback) {
NameCallback ncb = (NameCallback)cb;
ncb.setName(ncb.getDefaultName());
} else if (cb instanceof PasswordCallback) {
((PasswordCallback)cb).setPassword(PASS1);
}
}
}
});
SaslServer srv = Sasl.createSaslServer(MECH, PROTOCOL, REALM, null,
new CallbackHandler() {
public void handle(Callback[] callbacks)
throws IOException, UnsupportedCallbackException {
String domain = null, name = null;
PasswordCallback pcb = null;
for (Callback cb: callbacks) {
if (cb instanceof NameCallback) {
name = ((NameCallback)cb).getDefaultName();
} else if (cb instanceof RealmCallback) {
domain = ((RealmCallback)cb).getDefaultText();
} else if (cb instanceof PasswordCallback) {
pcb = (PasswordCallback)cb;
}
}
if (pcb != null) {
pcb.setPassword(getPass(domain, name));
}
}
});
handshake(clnt, srv);
if (!"this.is.com".equals(
srv.getNegotiatedProperty("com.sun.security.sasl.ntlm.hostname"))) {
throw new Exception("Hostname not trasmitted to server");
}
}
/**
* Client realm override, but finally overridden by server response
*/
private static void checkClientDomainOverride() throws Exception {
SaslClient clnt = Sasl.createSaslClient(
new String[]{MECH}, USER1, PROTOCOL, "ANOTHERREALM", null,
new CallbackHandler() {
public void handle(Callback[] callbacks)
throws IOException, UnsupportedCallbackException {
for (Callback cb: callbacks) {
if (cb instanceof NameCallback) {
NameCallback ncb = (NameCallback)cb;
ncb.setName(ncb.getDefaultName());
} else if(cb instanceof RealmCallback) {
RealmCallback dcb = (RealmCallback)cb;
dcb.setText("THIRDDOMAIN");
} else if (cb instanceof PasswordCallback) {
((PasswordCallback)cb).setPassword(PASS1);
}
}
}
});
SaslServer srv = Sasl.createSaslServer(MECH, PROTOCOL, REALM, null,
new CallbackHandler() {
public void handle(Callback[] callbacks)
throws IOException, UnsupportedCallbackException {
String domain = null, name = null;
PasswordCallback pcb = null;
for (Callback cb: callbacks) {
if (cb instanceof NameCallback) {
name = ((NameCallback)cb).getDefaultName();
} else if (cb instanceof RealmCallback) {
domain = ((RealmCallback)cb).getDefaultText();
} else if (cb instanceof PasswordCallback) {
pcb = (PasswordCallback)cb;
}
}
if (pcb != null) {
pcb.setPassword(getPass(domain, name));
}
}
});
handshake(clnt, srv);
}
/**
* Client side user name provided in callback.
* @throws Exception
*/
private static void checkClientNameOverride() throws Exception {
SaslClient clnt = Sasl.createSaslClient(
new String[]{MECH}, null, PROTOCOL, null, null,
new CallbackHandler() {
public void handle(Callback[] callbacks)
throws IOException, UnsupportedCallbackException {
for (Callback cb: callbacks) {
if (cb instanceof NameCallback) {
NameCallback ncb = (NameCallback)cb;
ncb.setName(USER1);
} else if (cb instanceof PasswordCallback) {
((PasswordCallback)cb).setPassword(PASS1);
}
}
}
});
SaslServer srv = Sasl.createSaslServer(MECH, PROTOCOL, REALM, null,
new CallbackHandler() {
public void handle(Callback[] callbacks)
throws IOException, UnsupportedCallbackException {
String domain = null, name = null;
PasswordCallback pcb = null;
for (Callback cb: callbacks) {
if (cb instanceof NameCallback) {
name = ((NameCallback)cb).getDefaultName();
} else if (cb instanceof RealmCallback) {
domain = ((RealmCallback)cb).getDefaultText();
} else if (cb instanceof PasswordCallback) {
pcb = (PasswordCallback)cb;
}
}
if (pcb != null) {
pcb.setPassword(getPass(domain, name));
}
}
});
handshake(clnt, srv);
}
/**
* server side domain provided in props.
* @throws Exception
*/
private static void checkServerDomainOverride() throws Exception {
SaslClient clnt = Sasl.createSaslClient(
new String[]{MECH}, USER1, PROTOCOL, null, null,
new CallbackHandler() {
public void handle(Callback[] callbacks)
throws IOException, UnsupportedCallbackException {
for (Callback cb: callbacks) {
if (cb instanceof NameCallback) {
NameCallback ncb = (NameCallback)cb;
ncb.setName(ncb.getDefaultName());
} else if (cb instanceof PasswordCallback) {
((PasswordCallback)cb).setPassword(PASS1);
}
}
}
});
Map<String,Object> ps = new HashMap<>();
ps.put("com.sun.security.sasl.ntlm.domain", REALM);
SaslServer srv = Sasl.createSaslServer(MECH, PROTOCOL, null, ps,
new CallbackHandler() {
public void handle(Callback[] callbacks)
throws IOException, UnsupportedCallbackException {
String domain = null, name = null;
PasswordCallback pcb = null;
for (Callback cb: callbacks) {
if (cb instanceof NameCallback) {
name = ((NameCallback)cb).getDefaultName();
} else if (cb instanceof RealmCallback) {
domain = ((RealmCallback)cb).getDefaultText();
} else if (cb instanceof PasswordCallback) {
pcb = (PasswordCallback)cb;
}
}
if (pcb != null) {
pcb.setPassword(getPass(domain, name));
}
}
});
handshake(clnt, srv);
}
private static void checkAuthOnly() throws Exception {
Map<String,Object> props = new HashMap<>();
props.put(Sasl.QOP, "auth-conf");
try {
Sasl.createSaslClient(
new String[]{MECH}, USER2, PROTOCOL, REALM, props, null);
throw new Exception("NTLM should not support auth-conf");
} catch (SaslException se) {
// Normal
}
}
private static void handshake(SaslClient clnt, SaslServer srv)
throws Exception {
if (clnt == null) {
throw new IllegalStateException(
"Unable to find client impl for " + MECH);
}
if (srv == null) {
throw new IllegalStateException(
"Unable to find server impl for " + MECH);
}
byte[] response = (clnt.hasInitialResponse()
? clnt.evaluateChallenge(EMPTY) : EMPTY);
System.out.println("Initial:");
new sun.misc.HexDumpEncoder().encodeBuffer(response, System.out);
byte[] challenge;
while (!clnt.isComplete() || !srv.isComplete()) {
challenge = srv.evaluateResponse(response);
response = null;
if (challenge != null) {
System.out.println("Challenge:");
new sun.misc.HexDumpEncoder().encodeBuffer(challenge, System.out);
response = clnt.evaluateChallenge(challenge);
}
if (response != null) {
System.out.println("Response:");
new sun.misc.HexDumpEncoder().encodeBuffer(response, System.out);
}
}
if (clnt.isComplete() && srv.isComplete()) {
System.out.println("SUCCESS");
if (!srv.getAuthorizationID().equals(USER1)) {
throw new Exception("Not correct user");
}
} else {
throw new IllegalStateException(
"FAILURE: mismatched state:"
+ " client complete? " + clnt.isComplete()
+ " server complete? " + srv.isComplete());
}
if (!clnt.getNegotiatedProperty(Sasl.QOP).equals("auth") ||
!srv.getNegotiatedProperty(Sasl.QOP).equals("auth") ||
!clnt.getNegotiatedProperty(
"com.sun.security.sasl.ntlm.domain").equals(REALM)) {
throw new Exception("Negotiated property error");
}
clnt.dispose();
srv.dispose();
}
}
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