Examples of org.ietf.jgss.GSSManager.createContext()

org.ietf.jgss.GSSManager.createContext()
Factory method for creating a context on the initiator's side. Some mechanism providers might require that the caller be granted permission to initiate a security context. A failed permission check might cause a {@link java.lang.SecurityException SecurityException}to be thrown from this method.
Non-default values for lifetime cannot always be honored by the underlying mechanism, thus applications should be prepared to call {@link GSSContext#getLifetime() getLifetime} on the returnedcontext.
@param peer the name of the target peer. @param mech the Oid of the desired mechanism. Use nullto request the default mechanism. @param myCred the credentials of the initiator. Usenull to act as the default initiator principal. @param lifetime the lifetime, in seconds, requested for thecontext. Use {@link GSSContext#INDEFINITE_LIFETIME GSSContext.INDEFINITE_LIFETIME} to request that the context have the maximum permitted lifetime. Use {@link GSSContext#DEFAULT_LIFETIME GSSContext.DEFAULT_LIFETIME} to request a default lifetime for thecontext. @return an unestablished GSSContext @see GSSContext @throws GSSException containing the following major error codes: {@link GSSException#NO_CRED GSSException.NO_CRED}{@link GSSException#CREDENTIALS_EXPIRED GSSException.CREDENTIALS_EXPIRED}{@link GSSException#BAD_NAMETYPE GSSException.BAD_NAMETYPE}{@link GSSException#BAD_MECH GSSException.BAD_MECH}{@link GSSException#FAILURE GSSException.FAILURE}

        GSSManager gssManager = GSSManager.getInstance();
        
        String spn = getCompleteServicePrincipalName();
        GSSName gssService = gssManager.createName(spn, null);
        
        return gssManager.createContext(gssService.canonicalize(oid), 
                   oid, null, GSSContext.DEFAULT_LIFETIME);
    }
    
    protected Subject loginAndGetSubject() throws LoginException {

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        try
        {
            GSSName acceptorName = manager.createName(service,
                GSSName.NT_HOSTBASED_SERVICE, KRB5_OID);


            GSSContext secCtx = manager.createContext(acceptorName,
                                                      KRB5_OID,
                                                      null,
                                                      GSSContext.INDEFINITE_LIFETIME);


            secCtx.initSecContext(new byte[0], 0, 1);

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                GSSCredential.ACCEPT_ONLY);


        while (true) {
            logger.debug("Waiting for incoming connection on port {} ...",
                    localPort);
            GSSContext context = manager.createContext(serverCreds);
            Socket socket = ss.accept();


            try {
                DataInputStream inStream = new DataInputStream(socket
                        .getInputStream());

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          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];

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        GSSManager gssManager = GSSManager.getInstance();
        GSSContext gssContext = null;
        try {
          String servicePrincipal = KerberosTestUtils.getServerPrincipal();
          GSSName serviceName = gssManager.createName(servicePrincipal, GSSUtil.NT_GSS_KRB5_PRINCIPAL);
          gssContext = gssManager.createContext(serviceName, GSSUtil.GSS_KRB5_MECH_OID, null,
                                                GSSContext.DEFAULT_LIFETIME);
          gssContext.requestCredDeleg(true);
          gssContext.requestMutualAuth(true);


          byte[] inToken = new byte[0];

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        GSSManager gssManager = GSSManager.getInstance();
        
        String spn = getCompleteServicePrincipalName();
        GSSName gssService = gssManager.createName(spn, null);
        
        return gssManager.createContext(gssService.canonicalize(oid), 
                   oid, null, GSSContext.DEFAULT_LIFETIME);
    }
    
    protected Subject loginAndGetSubject() throws LoginException {

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        try {
            GSSManager gssManager = GSSManager.getInstance();
            Oid oid = new Oid("1.3.6.1.5.5.2");


            GSSName gssService = gssManager.createName(serviceName, isUsernameServiceNameForm ? GSSName.NT_USER_NAME : GSSName.NT_HOSTBASED_SERVICE);
            secContext = gssManager.createContext(gssService, oid, null, GSSContext.DEFAULT_LIFETIME);


            secContext.requestMutualAuth(mutualAuth);
            secContext.requestCredDeleg(Boolean.FALSE);
        
            byte[] token = new byte[0];

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        try {
            GSSManager gssManager = GSSManager.getInstance();
            Oid oid = new Oid("1.3.6.1.5.5.2");


            GSSName gssService = gssManager.createName(serviceName, isUsernameServiceNameForm ? GSSName.NT_USER_NAME : GSSName.NT_HOSTBASED_SERVICE);
            secContext = gssManager.createContext(gssService, oid, null, GSSContext.DEFAULT_LIFETIME);


            return secContext.acceptSecContext(ticket, 0, ticket.length);
        } catch (GSSException e) {
            if (log.isDebugEnabled()) {
                log.debug("Error in obtaining a Kerberos token", e);

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                gssClient, GSSCredential.DEFAULT_LIFETIME, kerberos5Oid, GSSCredential.INITIATE_ONLY
            );


        GSSName gssService = gssManager.createName(serviceName, isUsernameServiceNameForm ? GSSName.NT_USER_NAME : GSSName.NT_HOSTBASED_SERVICE);
        GSSContext secContext =
            gssManager.createContext(
                gssService, kerberos5Oid, credentials, GSSContext.DEFAULT_LIFETIME
            );


        secContext.requestMutualAuth(false);

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        KerberosServiceContext krbServiceCtx = null;
        GSSContext secContext = null;


        try{
            secContext = gssManager.createContext(credentials);
            secContext.acceptSecContext(ticket, 0, ticket.length);


            krbServiceCtx = new KerberosServiceContext();            


            GSSName clientName = secContext.getSrcName();

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