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

org.ietf.jgss.GSSContext.acceptSecContext()
while there is still a token to be processed while (!context.isEstablished()) { inToken = readToken(); outToken = context.acceptSecContext(inToken, 0, inToken.length); // send output token if generated if (outToken != null) sendToken(outToken); } @return a byte[] containing the token to be sent to thepeer. null indicates that no token is generated. @param inToken token generated by the peer. @param offset the offset within the inToken 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_MECH GSSException.BAD_MECH}, {@link GSSException#FAILURE GSSException.FAILURE}

                                GSSCredential.ACCEPT_ONLY);
                    }
                };
            gssContext = manager.createContext(Subject.doAs(lc.getSubject(), action));


            outToken = gssContext.acceptSecContext(decoded.getBytes(),
                    decoded.getOffset(), decoded.getLength());


            if (outToken == null) {
                if (log.isDebugEnabled()) {
                    log.debug(sm.getString(

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          public AuthenticationToken run() throws Exception {
            AuthenticationToken token = null;
            GSSContext gssContext = null;
            try {
              gssContext = gssManager.createContext((GSSCredential) null);
              byte[] serverToken = gssContext.acceptSecContext(clientToken, 0, clientToken.length);
              if (serverToken != null && serverToken.length > 0) {
                String authenticate = base64.encodeToString(serverToken);
                response.setHeader(KerberosAuthenticator.WWW_AUTHENTICATE,
                                   KerberosAuthenticator.NEGOTIATE + " " + authenticate);
              }

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          public AuthenticationToken run() throws Exception {
            AuthenticationToken token = null;
            GSSContext gssContext = null;
            try {
              gssContext = gssManager.createContext((GSSCredential) null);
              byte[] serverToken = gssContext.acceptSecContext(clientToken, 0, clientToken.length);
              if (serverToken != null && serverToken.length > 0) {
                String authenticate = base64.encodeToString(serverToken);
                response.setHeader(KerberosAuthenticator.WWW_AUTHENTICATE,
                                   KerberosAuthenticator.NEGOTIATE + " " + authenticate);
              }

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                    new Oid[]{KerberosUtil.getOidInstance("GSS_SPNEGO_MECH_OID"),
                        KerberosUtil.getOidInstance("GSS_KRB5_MECH_OID")},
                    GSSCredential.ACCEPT_ONLY);
              }
              gssContext = gssManager.createContext(gssCreds);
              byte[] serverToken = gssContext.acceptSecContext(clientToken, 0, clientToken.length);
              if (serverToken != null && serverToken.length > 0) {
                String authenticate = base64.encodeToString(serverToken);
                response.setHeader(KerberosAuthenticator.WWW_AUTHENTICATE,
                                   KerberosAuthenticator.NEGOTIATE + " " + authenticate);
              }

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        // Create a GSS context
        gssContext = manager.createContext(serverCreds);
        // Get service ticket from the authorization header
        String serviceTicketBase64 = getAuthHeader(request, authType);
        byte[] inToken = Base64.decodeBase64(serviceTicketBase64.getBytes());
        gssContext.acceptSecContext(inToken, 0, inToken.length);
        // Authenticate or deny based on its context completion
        if (!gssContext.isEstablished()) {
          throw new HttpAuthenticationException("Kerberos authentication failed: " +
              "unable to establish context with the service ticket " +
              "provided by the client.");

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          public AuthenticationToken run() throws Exception {
            AuthenticationToken token = null;
            GSSContext gssContext = null;
            try {
              gssContext = gssManager.createContext((GSSCredential) null);
              byte[] serverToken = gssContext.acceptSecContext(clientToken, 0, clientToken.length);
              if (serverToken != null && serverToken.length > 0) {
                String authenticate = base64.encodeToString(serverToken);
                response.setHeader(KerberosAuthenticator.WWW_AUTHENTICATE,
                                   KerberosAuthenticator.NEGOTIATE + " " + authenticate);
              }

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                    token = new byte[len];
                    inStream.readFully(token);
                    logger.debug("  Received Token[{}] = {}", len,
                            ByteUtilities.asHex(token));


                    token = context.acceptSecContext(token, 0, token.length);


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

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                                GSSCredential.ACCEPT_ONLY);
                    }
                };
            gssContext = manager.createContext(Subject.doAs(lc.getSubject(), action));


            outToken = gssContext.acceptSecContext(decoded, 0, decoded.length);


            if (outToken == null) {
                if (log.isDebugEnabled()) {
                    log.debug(sm.getString(
                            "spnegoAuthenticator.ticketValidateFail"));

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                                GSSCredential.ACCEPT_ONLY);
                    }
                };
            gssContext = manager.createContext(Subject.doAs(lc.getSubject(), action));


            outToken = gssContext.acceptSecContext(decoded.getBytes(),
                    decoded.getOffset(), decoded.getLength());


            if (outToken == null) {
                if (log.isDebugEnabled()) {
                    log.debug(sm.getString(

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                gssContext = manager.createContext((GSSCredential) null);


                negContext.setGssContext(gssContext);
            }


            byte[] respToken = gssContext.acceptSecContext(challenge.array(), challenge.arrayOffset(), challenge.limit());
            negContext.setResponseToken(respToken);


            if (negContext.isEstablished()) {


                if (respToken != null) {

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