Principal clientPrincipal = subject.getPrincipals().iterator().next(); GSSCredential clientCredential = doAs(subject, () -> GSS_MANAGER.createCredential( GSS_MANAGER.createName(clientPrincipal.getName(), NT_USER_NAME), DEFAULT_LIFETIME, KERBEROS_OID,
Principal clientPrincipal = subject.getPrincipals().iterator().next(); GSSCredential clientCredential = doAs(subject, () -> GSS_MANAGER.createCredential( GSS_MANAGER.createName(clientPrincipal.getName(), NT_USER_NAME), DEFAULT_LIFETIME, KERBEROS_OID,
gssManager.createName(config.getServiceName() + "@" + hostname, GSSName.NT_HOSTBASED_SERVICE), INDEFINITE_LIFETIME, new Oid[] {
@Override public GSSContext run() throws GSSException { GSSName clientName = manager.createName(params.getUsername(), GSSName.NT_USER_NAME); GSSCredential clientCreds = manager.createCredential(clientName, GSSContext.DEFAULT_LIFETIME, selectedOid, GSSCredential.INITIATE_ONLY); GSSName peerName = manager.createName("host@" + params.getTransport().getRemoteHost(), GSSName.NT_HOSTBASED_SERVICE); GSSContext context = manager.createContext(peerName, selectedOid, clientCreds, GSSContext.DEFAULT_LIFETIME); context.requestMutualAuth(true); context.requestInteg(true); return context; } }
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(Bytes.toString(Base64.getEncoder().encode(outToken))); System.out.print("Ticket is: " + outputBuffer); return outputBuffer.toString(); }
private GSSCredential getGSSCredential(final String userName) throws GSSException { Oid krb5Mechanism = new Oid(GSSAPI_OID); GSSManager manager = GSSManager.getInstance(); GSSName name = manager.createName(userName, GSSName.NT_USER_NAME); return manager.createCredential(name, GSSCredential.INDEFINITE_LIFETIME, krb5Mechanism, GSSCredential.INITIATE_ONLY); }
GSSName gssName = manager.createName(servicePrincipalName + "@" + serviceHostname, GSSName.NT_HOSTBASED_SERVICE); GSSCredential cred = manager.createCredential(gssName, GSSContext.INDEFINITE_LIFETIME, krb5Mechanism, GSSCredential.ACCEPT_ONLY); subject.getPrivateCredentials().add(cred);
gssManager.createName("dummy", GSSName.NT_USER_NAME, SPNEGO); httpSpnego.trace("createName workaround for native GSS initialization applied"); } catch (GSSException e) {
public static byte[] initiateSecurityContext(Subject subject, String servicePrincipalName) throws GSSException { GSSManager manager = GSSManager.getInstance(); GSSName serverName = manager.createName(servicePrincipalName, GSSName.NT_HOSTBASED_SERVICE); final GSSContext context = manager.createContext(serverName, krb5Oid, null, GSSContext.DEFAULT_LIFETIME); // The GSS context initiation has to be performed as a privileged action. return Subject.doAs(subject, (PrivilegedAction<byte[]>)() -> { try { byte[] token = new byte[0]; // This is a one pass context initialization. context.requestMutualAuth(false); context.requestCredDeleg(false); return context.initSecContext(token, 0, token.length); } catch (GSSException e) { log.error(Util.getMessage("Krb5TokenKerberosContextProcessingException"),e); return null; } }); }
context = doAs(session.getLoginContext().getSubject(), () -> { GSSContext result = GSS_MANAGER.createContext( GSS_MANAGER.createName(servicePrincipal, NT_HOSTBASED_SERVICE), SPNEGO_OID, session.getClientCredential(),
GSSManager manager = GSSManager.getInstance(); GSSName serverName = manager.createName("HTTP@" + server, GSSName.NT_HOSTBASED_SERVICE);
context = doAs(session.getLoginContext().getSubject(), () -> { GSSContext result = GSS_MANAGER.createContext( GSS_MANAGER.createName(servicePrincipal, NT_HOSTBASED_SERVICE), SPNEGO_OID, session.getClientCredential(),
@Override public String run() throws Exception { // This Oid for Kerberos GSS-API mechanism. Oid mechOid = new Oid("1.2.840.113554.1.2.2"); // Oid for kerberos principal name Oid krb5PrincipalOid = new Oid("1.2.840.113554.1.2.2.1"); GSSManager manager = GSSManager.getInstance(); // GSS name for server GSSName serverName = manager.createName(serverPrincipal, krb5PrincipalOid); // 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, mechOid, null, GSSContext.DEFAULT_LIFETIME); gssContext.requestMutualAuth(false); // 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)); } }
public byte[] run() throws UnknownHostException, ClassNotFoundException, GSSException, IllegalAccessException, NoSuchFieldException { GSSManager gssManager = GSSManager.getInstance(); String servicePrincipal = KerberosUtil.getServicePrincipal("HTTP", authServer); Oid serviceOid = KerberosUtil.getOidInstance("NT_GSS_KRB5_PRINCIPAL"); GSSName serviceName = gssManager.createName(servicePrincipal, serviceOid); Oid mechOid = KerberosUtil.getOidInstance("GSS_KRB5_MECH_OID"); GSSContext gssContext = gssManager.createContext(serviceName, mechOid, null, 0); gssContext.requestCredDeleg(true); gssContext.requestMutualAuth(true); return gssContext.initSecContext(input, 0, input.length); }
GSSManager manager = GSSManager.getInstance(); GSSName serverName = manager.createName("HTTP@" + server, GSSName.NT_HOSTBASED_SERVICE);
GSSName serverName = manager.createName(serverPrincipal, krb5PrincipalOid);
@Override public CloseableHttpClient run() throws Exception { // Logs in with Kerberos via GSS GSSManager gssManager = GSSManager.getInstance(); // jGSS Kerberos login constant Oid oid = new Oid("1.2.840.113554.1.2.2"); GSSName gssClient = gssManager.createName(clientPrincipalName, GSSName.NT_USER_NAME); GSSCredential credential = gssManager.createCredential(gssClient, GSSCredential.DEFAULT_LIFETIME, oid, GSSCredential.INITIATE_ONLY); Lookup<AuthSchemeProvider> authRegistry = RegistryBuilder.<AuthSchemeProvider>create() .register(AuthSchemes.SPNEGO, new SPNegoSchemeFactory(true, true)) .build(); BasicCredentialsProvider credentialsProvider = new BasicCredentialsProvider(); credentialsProvider.setCredentials(AuthScope.ANY, new KerberosCredentials(credential)); return HttpClients.custom() .setDefaultAuthSchemeRegistry(authRegistry) .setDefaultCredentialsProvider(credentialsProvider) .build(); } });
@Override public HttpResponse run() throws Exception { // Logs in with Kerberos via GSS GSSManager gssManager = GSSManager.getInstance(); // jGSS Kerberos login constant Oid oid = new Oid("1.2.840.113554.1.2.2"); GSSName gssClient = gssManager.createName(principalName, GSSName.NT_USER_NAME); GSSCredential credential = gssManager.createCredential(gssClient, GSSCredential.DEFAULT_LIFETIME, oid, GSSCredential.INITIATE_ONLY); HttpClientContext context = HttpClientContext.create(); Lookup<AuthSchemeProvider> authRegistry = RegistryBuilder.<AuthSchemeProvider>create() .register(AuthSchemes.SPNEGO, new SPNegoSchemeFactory(true, true)) .build(); HttpClient client = HttpClients.custom().setDefaultAuthSchemeRegistry(authRegistry).build(); BasicCredentialsProvider credentialsProvider = new BasicCredentialsProvider(); credentialsProvider.setCredentials(AuthScope.ANY, new KerberosCredentials(credential)); URL url = new URL(getServerURL(server), "/echo?a=b"); context.setTargetHost(new HttpHost(url.getHost(), url.getPort())); context.setCredentialsProvider(credentialsProvider); context.setAuthSchemeRegistry(authRegistry); HttpGet get = new HttpGet(url.toURI()); return client.execute(get, context); } });
try { gssCreds = gssManager.createCredential( gssManager.createName( KerberosUtil.getServicePrincipal("HTTP", serverName), KerberosUtil.getOidInstance("NT_GSS_KRB5_PRINCIPAL")
String localName = protocol + "@" + serverName; saslGs2.tracef("Our name is '%s'", localName); ourName = gssManager.createName(localName, GSSName.NT_HOSTBASED_SERVICE, mechanism); } else { saslGs2.tracef("Our name is unbound");