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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
*
* Contributor(s):
*
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
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*/
package com.sun.mail.auth;
import com.sun.mail.util.BASE64DecoderStream;
import com.sun.mail.util.BASE64EncoderStream;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
/**
* NTLM authentication using reflection with the jcifs classes.
*
* @author Luís Serralheiro
*/
public class Ntlm {
private PrintStream debugout; // if not null, debug output stream
public Ntlm(PrintStream debugout) {
this.debugout = debugout;
// NtlmPasswordAuthentication.debugout = debugout;
}
public String generateType1Msg(boolean useUnicode, int flags,
String domain, String workstation) throws IOException {
try {
Class t1MClass = Class.forName("jcifs.ntlmssp.Type1Message");
Constructor t1Mconstructor = t1MClass.getConstructor(
new Class[] { int.class, String.class, String.class });
Object t1m = t1Mconstructor.newInstance(
new Object[] { new Integer(flags), domain, workstation });
if (debugout != null)
debugout.println("DEBUG NTLM: type 1 message: " + t1m);
ByteArrayOutputStream bout = new ByteArrayOutputStream();
BASE64EncoderStream out =
new BASE64EncoderStream(bout, Integer.MAX_VALUE);
if (debugout != null)
debugout.println("DEBUG NTLM: type 1 message length: " +
((byte[]) t1MClass.getMethod("toByteArray",
new Class[0]).invoke(t1m, null)).length);
out.write((byte[]) t1MClass.getMethod("toByteArray",
new Class[0]).invoke(t1m, null));
out.flush();
out.close();
return new String(bout.toByteArray());
} catch (IOException ioex) {
if (debugout != null)
ioex.printStackTrace(debugout);
throw ioex; // pass it on
} catch (Exception ex) {
if (debugout != null)
ex.printStackTrace(debugout);
}
return null;
}
public String generateType3Msg(
String username,
String password,
String domain,
String workstation,
String challenge,
int flags,
int lmCompatibility) throws IOException {
try {
Object t2m;
Class t2MClass = Class.forName("jcifs.ntlmssp.Type2Message");
Constructor t2Mconstructor =
t2MClass.getConstructor(new Class[]{Class.forName("[B")});
try {
BASE64DecoderStream in = new BASE64DecoderStream(
new ByteArrayInputStream(challenge.getBytes()));
byte[] bytes = new byte[in.available()];
in.read(bytes);
t2m = t2Mconstructor.newInstance(new Object[]{bytes});
} catch (IOException ex) {
IOException ioex = new IOException("Invalid Type2 message");
ioex.initCause(ex);
throw ioex;
}
Class t3MClass = Class.forName("jcifs.ntlmssp.Type3Message");
Constructor t3Mconstructor = t3MClass.getConstructor(
new Class[]{
t2MClass,
String.class,
String.class,
String.class,
String.class,
int.class});
Object t3m = t3Mconstructor.newInstance(new Object[]{
t2m,
password,
domain == null ? "" : domain,
username,
workstation,
new Integer(flags)});
ByteArrayOutputStream bout = new ByteArrayOutputStream();
BASE64EncoderStream out =
new BASE64EncoderStream(bout, Integer.MAX_VALUE);
out.write((byte[]) t3MClass.getMethod("toByteArray",
new Class[0]).invoke(t3m, null));
out.flush();
out.close();
return new String(bout.toByteArray());
} catch (InvocationTargetException itex) {
if (debugout != null)
itex.printStackTrace(debugout);
Throwable t = itex.getTargetException();
if (t instanceof IOException)
throw (IOException)t;
IOException ioex = new IOException(
"Ntlm.generateType3Msg failed" +
"; Exception: " + t);
ioex.initCause(itex);
throw ioex;
} catch (IOException ioex) {
if (debugout != null)
ioex.printStackTrace(debugout);
throw ioex; // pass it on
} catch (Exception ex) {
if (debugout != null)
ex.printStackTrace(debugout);
}
return null;
}
}
