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Ntlm.javaAPI DocJavaMail 1.4.36641Tue Nov 17 10:38:10 GMT 2009com.sun.mail.auth

Ntlm

public class Ntlm extends Object
NTLM authentication using reflection with the jcifs classes.
author
Luís Serralheiro

(Omit source code)

Fields Summary
private PrintStream
debugout
Constructors Summary
public Ntlm(PrintStream debugout)

        this.debugout = debugout;
        // NtlmPasswordAuthentication.debugout = debugout;
Methods Summary
public java.lang.StringgenerateType1Msg(boolean useUnicode, int flags, java.lang.String domain, java.lang.String workstation)

        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 java.lang.StringgenerateType3Msg(java.lang.String username, java.lang.String password, java.lang.String domain, java.lang.String workstation, java.lang.String challenge, int flags, int lmCompatibility)

        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;