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

Example 1 with GSSName

use of org.ietf.jgss.GSSName in project hadoop by apache.

the class TestKerberosAuthenticationHandler method testRequestWithAuthorization.

public void testRequestWithAuthorization() throws Exception {
    String token = KerberosTestUtils.doAsClient(new Callable<String>() {

        @Override
        public String call() throws Exception {
            GSSManager gssManager = GSSManager.getInstance();
            GSSContext gssContext = null;
            try {
                String servicePrincipal = KerberosTestUtils.getServerPrincipal();
                Oid oid = KerberosUtil.getOidInstance("NT_GSS_KRB5_PRINCIPAL");
                GSSName serviceName = gssManager.createName(servicePrincipal, oid);
                oid = KerberosUtil.getOidInstance("GSS_KRB5_MECH_OID");
                gssContext = gssManager.createContext(serviceName, oid, null, GSSContext.DEFAULT_LIFETIME);
                gssContext.requestCredDeleg(true);
                gssContext.requestMutualAuth(true);
                byte[] inToken = new byte[0];
                byte[] outToken = gssContext.initSecContext(inToken, 0, inToken.length);
                Base64 base64 = new Base64(0);
                return base64.encodeToString(outToken);
            } finally {
                if (gssContext != null) {
                    gssContext.dispose();
                }
            }
        }
    });
    HttpServletRequest request = Mockito.mock(HttpServletRequest.class);
    HttpServletResponse response = Mockito.mock(HttpServletResponse.class);
    Mockito.when(request.getHeader(KerberosAuthenticator.AUTHORIZATION)).thenReturn(KerberosAuthenticator.NEGOTIATE + " " + token);
    Mockito.when(request.getServerName()).thenReturn("localhost");
    AuthenticationToken authToken = handler.authenticate(request, response);
    if (authToken != null) {
        Mockito.verify(response).setHeader(Mockito.eq(KerberosAuthenticator.WWW_AUTHENTICATE), Mockito.matches(KerberosAuthenticator.NEGOTIATE + " .*"));
        Mockito.verify(response).setStatus(HttpServletResponse.SC_OK);
        Assert.assertEquals(KerberosTestUtils.getClientPrincipal(), authToken.getName());
        Assert.assertTrue(KerberosTestUtils.getClientPrincipal().startsWith(authToken.getUserName()));
        Assert.assertEquals(getExpectedType(), authToken.getType());
    } else {
        Mockito.verify(response).setHeader(Mockito.eq(KerberosAuthenticator.WWW_AUTHENTICATE), Mockito.matches(KerberosAuthenticator.NEGOTIATE + " .*"));
        Mockito.verify(response).setStatus(HttpServletResponse.SC_UNAUTHORIZED);
    }
}

Example 2 with GSSName

use of org.ietf.jgss.GSSName in project hbase by apache.

the class HttpDoAsClient method generateTicket.

private String generateTicket() throws GSSException {
    final GSSManager manager = GSSManager.getInstance();
    // Oid for kerberos principal name
    Oid krb5PrincipalOid = new Oid("1.2.840.113554.1.2.2.1");
    Oid KERB_V5_OID = new Oid("1.2.840.113554.1.2.2");
    final GSSName clientName = manager.createName(principal, krb5PrincipalOid);
    final GSSCredential clientCred = manager.createCredential(clientName, 8 * 3600, KERB_V5_OID, GSSCredential.INITIATE_ONLY);
    final GSSName serverName = manager.createName(principal, krb5PrincipalOid);
    final GSSContext context = manager.createContext(serverName, KERB_V5_OID, clientCred, GSSContext.DEFAULT_LIFETIME);
    context.requestMutualAuth(true);
    context.requestConf(false);
    context.requestInteg(true);
    final byte[] outToken = context.initSecContext(new byte[0], 0, 0);
    StringBuffer outputBuffer = new StringBuffer();
    outputBuffer.append("Negotiate ");
    outputBuffer.append(Base64.encodeBytes(outToken).replace("\n", ""));
    System.out.print("Ticket is: " + outputBuffer);
    return outputBuffer.toString();
}

Example 3 with GSSName

use of org.ietf.jgss.GSSName in project tomcat by apache.

the class RealmBase method authenticate.

/**
     * {@inheritDoc}
     */
@Override
public Principal authenticate(GSSContext gssContext, boolean storeCreds) {
    if (gssContext.isEstablished()) {
        GSSName gssName = null;
        try {
            gssName = gssContext.getSrcName();
        } catch (GSSException e) {
            log.warn(sm.getString("realmBase.gssNameFail"), e);
        }
        if (gssName != null) {
            String name = gssName.toString();
            if (isStripRealmForGss()) {
                int i = name.indexOf('@');
                if (i > 0) {
                    // Zero so we don;t leave a zero length name
                    name = name.substring(0, i);
                }
            }
            GSSCredential gssCredential = null;
            if (storeCreds && gssContext.getCredDelegState()) {
                try {
                    gssCredential = gssContext.getDelegCred();
                } catch (GSSException e) {
                    if (log.isDebugEnabled()) {
                        log.debug(sm.getString("realmBase.delegatedCredentialFail", name), e);
                    }
                }
            }
            return getPrincipal(name, gssCredential);
        }
    } else {
        log.error(sm.getString("realmBase.gssContextNotEstablished"));
    }
    // Fail in all other cases
    return null;
}

Example 4 with GSSName

use of org.ietf.jgss.GSSName in project druid by druid-io.

the class DruidKerberosUtil method kerberosChallenge.

/**
   * This method always needs to be called within a doAs block so that the client's TGT credentials
   * can be read from the Subject.
   *
   * @return Kerberos Challenge String
   *
   * @throws Exception
   */
public static String kerberosChallenge(String server) throws AuthenticationException {
    kerberosLock.lock();
    try {
        // This Oid for Kerberos GSS-API mechanism.
        Oid mechOid = KerberosUtil.getOidInstance("GSS_KRB5_MECH_OID");
        GSSManager manager = GSSManager.getInstance();
        // GSS name for server
        GSSName serverName = manager.createName("HTTP@" + server, GSSName.NT_HOSTBASED_SERVICE);
        // Create a GSSContext for authentication with the service.
        // We're passing client credentials as null since we want them to be read from the Subject.
        GSSContext gssContext = manager.createContext(serverName.canonicalize(mechOid), mechOid, null, GSSContext.DEFAULT_LIFETIME);
        gssContext.requestMutualAuth(true);
        gssContext.requestCredDeleg(true);
        // Establish context
        byte[] inToken = new byte[0];
        byte[] outToken = gssContext.initSecContext(inToken, 0, inToken.length);
        gssContext.dispose();
        // Base64 encoded and stringified token for server
        return new String(base64codec.encode(outToken));
    } catch (GSSException | IllegalAccessException | NoSuchFieldException | ClassNotFoundException e) {
        throw new AuthenticationException(e);
    } finally {
        kerberosLock.unlock();
    }
}

Example 5 with GSSName

use of org.ietf.jgss.GSSName in project jetty.project by eclipse.

the class SpnegoLoginService method login.

/**
     * username will be null since the credentials will contain all the relevant info
     */
@Override
public UserIdentity login(String username, Object credentials, ServletRequest request) {
    String encodedAuthToken = (String) credentials;
    byte[] authToken = B64Code.decode(encodedAuthToken);
    GSSManager manager = GSSManager.getInstance();
    try {
        // http://java.sun.com/javase/6/docs/technotes/guides/security/jgss/jgss-features.html
        Oid krb5Oid = new Oid("1.3.6.1.5.5.2");
        GSSName gssName = manager.createName(_targetName, null);
        GSSCredential serverCreds = manager.createCredential(gssName, GSSCredential.INDEFINITE_LIFETIME, krb5Oid, GSSCredential.ACCEPT_ONLY);
        GSSContext gContext = manager.createContext(serverCreds);
        if (gContext == null) {
            LOG.debug("SpnegoUserRealm: failed to establish GSSContext");
        } else {
            while (!gContext.isEstablished()) {
                authToken = gContext.acceptSecContext(authToken, 0, authToken.length);
            }
            if (gContext.isEstablished()) {
                String clientName = gContext.getSrcName().toString();
                String role = clientName.substring(clientName.indexOf('@') + 1);
                LOG.debug("SpnegoUserRealm: established a security context");
                LOG.debug("Client Principal is: " + gContext.getSrcName());
                LOG.debug("Server Principal is: " + gContext.getTargName());
                LOG.debug("Client Default Role: " + role);
                SpnegoUserPrincipal user = new SpnegoUserPrincipal(clientName, authToken);
                Subject subject = new Subject();
                subject.getPrincipals().add(user);
                return _identityService.newUserIdentity(subject, user, new String[] { role });
            }
        }
    } catch (GSSException gsse) {
        LOG.warn(gsse);
    }
    return null;
}