Examples with GSSManager org.ietf.jgss.GSSManager used on opensource projects

Example 11 with GSSManager

use of org.ietf.jgss.GSSManager in project jdk8u_jdk by JetBrains.

the class ServiceCredsCombination method check.

/**
     * Checks the correct bound
     * @param a get a creds for this principal, null for default one
     * @param b expected name, null for still unbound, "NOCRED" for no creds
     * @param objs princs, keys and keytabs in the subject
     */
private static void check(final String a, String b, Object... objs) throws Exception {
    Subject subj = new Subject();
    for (Object obj : objs) {
        if (obj instanceof KerberosPrincipal) {
            subj.getPrincipals().add((KerberosPrincipal) obj);
        } else if (obj instanceof KerberosKey || obj instanceof KeyTab) {
            subj.getPrivateCredentials().add(obj);
        }
    }
    final GSSManager man = GSSManager.getInstance();
    try {
        String result = Subject.doAs(subj, new PrivilegedExceptionAction<String>() {

            @Override
            public String run() throws GSSException {
                GSSCredential cred = man.createCredential(a == null ? null : man.createName(r(a), null), GSSCredential.INDEFINITE_LIFETIME, GSSUtil.GSS_KRB5_MECH_OID, GSSCredential.ACCEPT_ONLY);
                GSSName name = cred.getName();
                return name == null ? null : name.toString();
            }
        });
        if (!Objects.equals(result, r(b))) {
            throw new Exception("Check failed: getInstance(" + a + ") has name " + result + ", not " + b);
        }
    } catch (PrivilegedActionException e) {
        if (!"NOCRED".equals(b)) {
            throw new Exception("Check failed: getInstance(" + a + ") is null " + ", but not one with name " + b);
        }
    }
}

Example 12 with GSSManager

use of org.ietf.jgss.GSSManager in project calcite-avatica by apache.

the class HttpServerSpnegoWithoutJaasTest method testAuthenticatedClientsAllowed.

@Test
public void testAuthenticatedClientsAllowed() throws Exception {
    // Create the subject for the client
    final Subject clientSubject = JaasKrbUtil.loginUsingKeytab(SpnegoTestUtil.CLIENT_PRINCIPAL, clientKeytab);
    final Set<Principal> clientPrincipals = clientSubject.getPrincipals();
    // Make sure the subject has a principal
    assertFalse(clientPrincipals.isEmpty());
    // Get a TGT for the subject (might have many, different encryption types). The first should
    // be the default encryption type.
    Set<KerberosTicket> privateCredentials = clientSubject.getPrivateCredentials(KerberosTicket.class);
    assertFalse(privateCredentials.isEmpty());
    KerberosTicket tgt = privateCredentials.iterator().next();
    assertNotNull(tgt);
    LOG.info("Using TGT with etype: {}", tgt.getSessionKey().getAlgorithm());
    // The name of the principal
    final String principalName = clientPrincipals.iterator().next().getName();
    // Run this code, logged in as the subject (the client)
    byte[] response = Subject.doAs(clientSubject, new PrivilegedExceptionAction<byte[]>() {

        @Override
        public byte[] run() throws Exception {
            // Logs in with Kerberos via GSS
            GSSManager gssManager = GSSManager.getInstance();
            Oid oid = new Oid(SpnegoTestUtil.JGSS_KERBEROS_TICKET_OID);
            GSSName gssClient = gssManager.createName(principalName, GSSName.NT_USER_NAME);
            GSSCredential credential = gssManager.createCredential(gssClient, GSSCredential.DEFAULT_LIFETIME, oid, GSSCredential.INITIATE_ONLY);
            // Passes the GSSCredential into the HTTP client implementation
            final AvaticaCommonsHttpClientSpnegoImpl httpClient = new AvaticaCommonsHttpClientSpnegoImpl(httpServerUrl, credential);
            return httpClient.send(new byte[0]);
        }
    });
    // We should get a response which is "OK" with our client's name
    assertNotNull(response);
    assertEquals("OK " + SpnegoTestUtil.CLIENT_PRINCIPAL, new String(response, StandardCharsets.UTF_8));
}

Example 13 with GSSManager

use of org.ietf.jgss.GSSManager in project calcite-avatica by apache.

the class HttpServerSpnegoWithJaasTest method testAuthenticatedClientsAllowed.

@Test
public void testAuthenticatedClientsAllowed() throws Exception {
    Assume.assumeThat("Test disabled on Windows", File.separatorChar, is('/'));
    // Create the subject for the client
    final Subject clientSubject = JaasKrbUtil.loginUsingKeytab(SpnegoTestUtil.CLIENT_PRINCIPAL, clientKeytab);
    final Set<Principal> clientPrincipals = clientSubject.getPrincipals();
    // Make sure the subject has a principal
    assertFalse(clientPrincipals.isEmpty());
    // Get a TGT for the subject (might have many, different encryption types). The first should
    // be the default encryption type.
    Set<KerberosTicket> privateCredentials = clientSubject.getPrivateCredentials(KerberosTicket.class);
    assertFalse(privateCredentials.isEmpty());
    KerberosTicket tgt = privateCredentials.iterator().next();
    assertNotNull(tgt);
    LOG.info("Using TGT with etype: {}", tgt.getSessionKey().getAlgorithm());
    // The name of the principal
    final String principalName = clientPrincipals.iterator().next().getName();
    // Run this code, logged in as the subject (the client)
    byte[] response = Subject.doAs(clientSubject, new PrivilegedExceptionAction<byte[]>() {

        @Override
        public byte[] run() throws Exception {
            // Logs in with Kerberos via GSS
            GSSManager gssManager = GSSManager.getInstance();
            Oid oid = new Oid(SpnegoTestUtil.JGSS_KERBEROS_TICKET_OID);
            GSSName gssClient = gssManager.createName(principalName, GSSName.NT_USER_NAME);
            GSSCredential credential = gssManager.createCredential(gssClient, GSSCredential.DEFAULT_LIFETIME, oid, GSSCredential.INITIATE_ONLY);
            // Passes the GSSCredential into the HTTP client implementation
            final AvaticaCommonsHttpClientSpnegoImpl httpClient = new AvaticaCommonsHttpClientSpnegoImpl(httpServerUrl, credential);
            return httpClient.send(new byte[0]);
        }
    });
    // We should get a response which is "OK" with our client's name
    assertNotNull(response);
    assertEquals("OK " + SpnegoTestUtil.CLIENT_PRINCIPAL, new String(response, StandardCharsets.UTF_8));
}

Example 14 with GSSManager

use of org.ietf.jgss.GSSManager in project wildfly by wildfly.

the class GSSTestClient method getName.

// Public methods --------------------------------------------------------
/**
     * Retrieves the name of calling identity (based on given gssCredential) retrieved from {@link GSSTestServer}.
     *
     * @param gssCredential
     * @return
     * @throws IOException
     * @throws GSSException
     */
public String getName(final GSSCredential gssCredential) throws IOException, GSSException {
    LOGGER.trace("getName() called with GSSCredential:\n" + gssCredential);
    // Create an unbound socket
    final Socket socket = new Socket();
    GSSContext gssContext = null;
    try {
        socket.connect(new InetSocketAddress(host, port), GSSTestConstants.SOCKET_TIMEOUT);
        DataOutputStream dos = new DataOutputStream(socket.getOutputStream());
        DataInputStream dis = new DataInputStream(socket.getInputStream());
        LOGGER.debug("Sending NAME command.");
        dos.writeInt(GSSTestConstants.CMD_NAME);
        dos.flush();
        GSSManager manager = GSSManager.getInstance();
        gssContext = manager.createContext(manager.createName(spn, null), Constants.KERBEROS_V5, gssCredential, GSSContext.DEFAULT_LIFETIME);
        //            gssContext.requestCredDeleg(true);
        gssContext.requestMutualAuth(true);
        gssContext.requestConf(true);
        gssContext.requestInteg(true);
        byte[] token = new byte[0];
        while (!gssContext.isEstablished()) {
            token = gssContext.initSecContext(token, 0, token.length);
            if (token != null) {
                dos.writeInt(token.length);
                dos.write(token);
                dos.flush();
            }
            if (!gssContext.isEstablished()) {
                token = new byte[dis.readInt()];
                dis.readFully(token);
            }
        }
        token = new byte[dis.readInt()];
        dis.readFully(token);
        MessageProp msgProp = new MessageProp(false);
        final byte[] nameBytes = gssContext.unwrap(token, 0, token.length, msgProp);
        return new String(nameBytes, GSSTestConstants.CHAR_ENC);
    } catch (IOException e) {
        LOGGER.error("IOException occurred.", e);
        throw e;
    } finally {
        try {
            socket.close();
        } catch (IOException e) {
            LOGGER.error("IOException occurred", e);
        }
        if (gssContext != null) {
            try {
                gssContext.dispose();
            } catch (GSSException e) {
                LOGGER.error("GSSException occurred", e);
            }
        }
    }
}

Example 15 with GSSManager

use of org.ietf.jgss.GSSManager in project wildfly by wildfly.

the class JBossNegotiateScheme method authenticate.

/**
     * Produces Negotiate authorization Header based on token created by processChallenge.
     *
     * @param credentials Never used be the Negotiate scheme but must be provided to satisfy common-httpclient API. Credentials
     *        from JAAS will be used instead.
     * @param request The request being authenticated
     *
     * @throws AuthenticationException if authorization string cannot be generated due to an authentication failure
     *
     * @return an Negotiate authorization Header
     */
@Override
public Header authenticate(final Credentials credentials, final HttpRequest request, final HttpContext context) throws AuthenticationException {
    if (request == null) {
        throw new IllegalArgumentException("HTTP request may not be null");
    }
    if (state == State.TOKEN_GENERATED) {
        // hack for auto redirects
        return new BasicHeader("X-dummy", "Token already generated");
    }
    if (state != State.CHALLENGE_RECEIVED) {
        throw new IllegalStateException("Negotiation authentication process has not been initiated");
    }
    try {
        String key = null;
        if (isProxy()) {
            key = ExecutionContext.HTTP_PROXY_HOST;
        } else {
            key = HttpCoreContext.HTTP_TARGET_HOST;
        }
        HttpHost host = (HttpHost) context.getAttribute(key);
        if (host == null) {
            throw new AuthenticationException("Authentication host is not set " + "in the execution context");
        }
        String authServer;
        if (!this.stripPort && host.getPort() > 0) {
            authServer = host.toHostString();
        } else {
            authServer = host.getHostName();
        }
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("init " + authServer);
        }
        final Oid negotiationOid = new Oid(SPNEGO_OID);
        final GSSManager manager = GSSManager.getInstance();
        final GSSName serverName = manager.createName("HTTP@" + authServer, GSSName.NT_HOSTBASED_SERVICE);
        final GSSContext gssContext = manager.createContext(serverName.canonicalize(negotiationOid), negotiationOid, null, DEFAULT_LIFETIME);
        gssContext.requestMutualAuth(true);
        gssContext.requestCredDeleg(true);
        if (token == null) {
            token = new byte[0];
        }
        token = gssContext.initSecContext(token, 0, token.length);
        if (token == null) {
            state = State.FAILED;
            throw new AuthenticationException("GSS security context initialization failed");
        }
        state = State.TOKEN_GENERATED;
        String tokenstr = new String(base64codec.encode(token));
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("Sending response '" + tokenstr + "' back to the auth server");
        }
        CharArrayBuffer buffer = new CharArrayBuffer(32);
        if (isProxy()) {
            buffer.append(AUTH.PROXY_AUTH_RESP);
        } else {
            buffer.append(AUTH.WWW_AUTH_RESP);
        }
        buffer.append(": Negotiate ");
        buffer.append(tokenstr);
        return new BufferedHeader(buffer);
    } catch (GSSException gsse) {
        state = State.FAILED;
        if (gsse.getMajor() == GSSException.DEFECTIVE_CREDENTIAL || gsse.getMajor() == GSSException.CREDENTIALS_EXPIRED)
            throw new InvalidCredentialsException(gsse.getMessage(), gsse);
        if (gsse.getMajor() == GSSException.NO_CRED)
            throw new InvalidCredentialsException(gsse.getMessage(), gsse);
        if (gsse.getMajor() == GSSException.DEFECTIVE_TOKEN || gsse.getMajor() == GSSException.DUPLICATE_TOKEN || gsse.getMajor() == GSSException.OLD_TOKEN)
            throw new AuthenticationException(gsse.getMessage(), gsse);
        // other error
        throw new AuthenticationException(gsse.getMessage());
    }
}