List of initSecContext() Examples

Examples of initSecContext()

org.ietf.jgss.GSSContext.initSecContext()
Called by the context initiator to start the context creation phase and process any tokens generated by the peer's acceptSecContext method. This method may return an output token which the application will need to send to the peer for processing by its acceptSecContext method. The application can call {@link #isEstablished() isEstablished} to determine if the context establishment phase iscomplete on this side of the context. A return value of false from isEstablished indicates that more tokens are expected to be supplied to initSecContext. Upon completion of the context establishment, the available context options may be queried through the get methods.
Note that it is possible that the initSecContext method return a token for the peer, and isEstablished return true also. This indicates that the token needs to be sent to the peer, but the local end of the context is now fully established.
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.
@return a byte[] containing the token to be sent to thepeer. null indicates that no token is generated. @param inputBuf token generated by the peer. This parameter is ignoredon the first call since no token has been received from the peer. @param offset the offset within the inputBuf where the token begins. @param len the length of the token. @throws GSSException containing the following major error codes: {@link GSSException#DEFECTIVE_TOKEN GSSException.DEFECTIVE_TOKEN}, {@link GSSException#BAD_MIC GSSException.BAD_MIC}, {@link GSSException#NO_CRED GSSException.NO_CRED}, {@link GSSException#CREDENTIALS_EXPIRED GSSException.CREDENTIALS_EXPIRED}, {@link GSSException#BAD_BINDINGS GSSException.BAD_BINDINGS}, {@link GSSException#OLD_TOKEN GSSException.OLD_TOKEN}, {@link GSSException#DUPLICATE_TOKEN GSSException.DUPLICATE_TOKEN}, {@link GSSException#BAD_NAMETYPE GSSException.BAD_NAMETYPE}, {@link GSSException#BAD_MECH GSSException.BAD_MECH}, {@link GSSException#FAILURE GSSException.FAILURE}

Examples of org.ietf.jgss.GSSContext.initSecContext()

        GSSName serverName = manager.createName("HTTP@" + authServer, GSSName.NT_HOSTBASED_SERVICE);
        GSSContext gssContext = manager.createContext(
                serverName.canonicalize(oid), oid, null, GSSContext.DEFAULT_LIFETIME);
        gssContext.requestMutualAuth(true);
        gssContext.requestCredDeleg(true);
        return gssContext.initSecContext(token, 0, token.length);
    }


    protected abstract byte[] generateToken(
            byte[] input, final String authServer) throws GSSException;

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Examples of org.ietf.jgss.GSSContext.initSecContext()

                                                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) {

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Examples of org.ietf.jgss.GSSContext.initSecContext()

            byte[] outToken;
            boolean established = false;


            // Loop while the context is still not established
            while (!established) {
              outToken = gssContext.initSecContext(inToken, 0, inToken.length);
              if (outToken != null) {
                sendToken(outToken);
              }


              if (!gssContext.isEstablished()) {

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Examples of org.ietf.jgss.GSSContext.initSecContext()

            // token is ignored on the first call
            if (token == null) {
                token = new byte[32];
            }


            token = ctx.initSecContext(token, 0, token.length);


            // Send a token to the server if one was generated by
            // initSecContext
            if (token != null) {
                LOGGER.debug("  Sending Token[{}] = {}", token.length, ByteUtilities.asHex(token));

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Examples of org.ietf.jgss.GSSContext.initSecContext()

        final GSSName serverName = manager.createName("HTTP@" + authServer, GSSName.NT_HOSTBASED_SERVICE);
        final GSSContext gssContext = manager.createContext(
                serverName.canonicalize(oid), oid, null, GSSContext.DEFAULT_LIFETIME);
        gssContext.requestMutualAuth(true);
        gssContext.requestCredDeleg(true);
        return gssContext.initSecContext(inputBuff, 0, inputBuff.length);
    }


    protected abstract byte[] generateToken(
            byte[] input, final String authServer) throws GSSException;

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Examples of org.ietf.jgss.GSSContext.initSecContext()

                    GSSContext.DEFAULT_LIFETIME );
                context.requestMutualAuth( true );
                context.requestConf( true );
                context.requestInteg( true );


                context.initSecContext( Strings.EMPTY_BYTES, 0, 0 );


                // byte[] outToken = context.initSecContext( Strings.EMPTY_BYTES, 0, 0 );
                // System.out.println(new BASE64Encoder().encode(outToken));
                context.dispose();

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Examples of org.ietf.jgss.GSSContext.initSecContext()

            byte[] outToken;
            boolean established = false;


            // Loop while the context is still not established
            while (!established) {
              outToken = gssContext.initSecContext(inToken, 0, inToken.length);
              if (outToken != null) {
                sendToken(outToken);
              }


              if (!gssContext.isEstablished()) {

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Examples of org.ietf.jgss.GSSContext.initSecContext()

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


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


            if (secCtx.getSrcName() != null)
            {
                return secCtx.getSrcName().toString();
            }

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Examples of org.ietf.jgss.GSSContext.initSecContext()

            Oid krb5Oid = new Oid(KRB5MechOID.value.substring(4));
            GSSManager gssManager = GSSManager.getInstance();
            GSSName myPeer = gssManager.createName(target, null, krb5Oid);
            if (clientCreds == null) clientCreds = gssManager.createCredential(null, GSSCredential.INDEFINITE_LIFETIME, krb5Oid, GSSCredential.INITIATE_ONLY);
            GSSContext myContext = gssManager.createContext(myPeer, krb5Oid, clientCreds, GSSContext.INDEFINITE_LIFETIME);
            contextToken = myContext.initSecContext(contextToken, 0, contextToken.length);
        } catch (Exception e) {
            logger.error("Error creating Kerberos context: "+e);
        }
        return contextToken;
    }

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Examples of org.ietf.jgss.GSSContext.initSecContext()


                byte[] token = new byte[0];


                boolean gotOur200 = false;
                while (!context.isEstablished()) {
                    token = context.initSecContext(token, 0, token.length);


                    if (token != null && token.length > 0) {
                        HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL());
                        get.addHeader(AUTHORIZATION.toString(), NEGOTIATE + " " + FlexBase64.encodeString(token, false));
                        HttpResponse result = client.execute(get);

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