GSF.Communication.Radius.RadiusPacket.GetAttributeValue C# (CSharp) Method

        public byte[] GetAttributeValue(AttributeType attributeType)
        {
            RadiusPacketAttribute match = m_attributes.Find(attribute => attribute.Type == attributeType);

            if (match == null)
                return null;

            return match.Value;
        }

        /// <summary>
        /// Determines whether or not the response indicates that the user account is in "Next Token" mode.
        /// </summary>
        /// <param name="response">Response packet sent by the server.</param>
        /// <returns>True if the user account is in "Next Token" mode; otherwise False.</returns>
        /// <remarks>
        /// <para>
        /// A user's account can enter the "Next Token" mode after the user enters incorrect passwords for a few
        /// times (3 times by default) and then enters the correct password. Note that repeatedly entering
        /// incorrect passwords will disable the user account.
        /// </para>
        /// <para>NOTE: This method is specific to RSA RADIUS implementation.</para>
        /// </remarks>
        public bool IsUserInNextTokenMode(RadiusPacket response)
        {
            CheckDisposed();

            if ((object)response == null)
            {
                throw new ArgumentNullException(nameof(response));
            }

            byte[] messageBytes = response.GetAttributeValue(AttributeType.ReplyMessage);

            if ((object)messageBytes == null)
            {
                throw new ArgumentException("ReplyMessage attribute is not present", nameof(response));
            }

            // Unfortunately, the only way of determining whether or not a user account is in the
            // "Next Token" mode is from the text present in the ReplyMessage attribute of the
            // AccessChallenge response from server.
            string messageString = RadiusPacket.Encoding.GetString(messageBytes, 0, messageBytes.Length);

            return(messageString.ToLower().Contains(m_nextTokenModeMessage.ToLower()));
        }