//******************************************************************************************************//  Program.cs - Gbtc////  Copyright © 2015, Grid Protection Alliance.  All Rights Reserved.////  Licensed to the Grid Protection Alliance (GPA) under one or more contributor license agreements. See//  the NOTICE file distributed with this work for additional information regarding copyright ownership.//  The GPA licenses this file to you under the MIT License (MIT), the "License"; you may//  not use this file except in compliance with the License. You may obtain a copy of the License at:////      http://www.opensource.org/licenses/MIT////  Unless agreed to in writing, the subject software distributed under the License is distributed on an//  "AS-IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. Refer to the//  License for the specific language governing permissions and limitations.////  Code Modification History://  ----------------------------------------------------------------------------------------------------//  01/26/2015 - J. Ritchie Carroll//       Generated original version of source code.////****************************************************************************************************** using System;using System.Linq;using System.Net;using System.Net.Sockets;using GSF.Console; namespace MonoGenCert{    class Program    {        static int Main(string[] args)        {            if (args.Length != 1)            {                Console.WriteLine("USAGE: mono MonoGenCert <certName>");                Console.WriteLine();                Console.WriteLine("    Example: MonoGenCert openPDC");                Console.WriteLine();                return 1;            }             try            {                string issuer = args[0];                string commonNames = GetCommonNameList(issuer);                 // Generate private key file and p12 file (i.e., pub and private in one file)                int result = Command.Execute("makecert", string.Format("-r -n \"{0}\" -p12 {1}.p12 \"\" -sv {1}.pvk {1}.cer", commonNames, issuer)).ExitCode;                 // Generate public key certificate file                if (result == 0)                    result = Command.Execute("makecert", string.Format("-r -n \"{0}\" -sv {1}.pvk {1}.cer", commonNames, issuer)).ExitCode;                 return result;            }            catch (Exception ex)            {                Console.WriteLine("Failed to generate certificate: " + ex.Message);                return 2;            }        }         // Gets the list of common names to be passed to        // Mono's makecert when generating self-signed certificates.        private static string GetCommonNameList(string issuer)        {            return string.Join(",", new[] { issuer }.Concat(GetSubjectNames()).Distinct().Select(name => "CN=" + name));        }         // Gets the default value for the subject names.        // This uses a DNS lookup to determine the host name of the system and        // all the possible IP addresses and aliases that the system may go by.        private static string[] GetSubjectNames()        {            try            {                IPHostEntry hostEntry = Dns.GetHostEntry(Dns.GetHostName());                 return hostEntry.AddressList                    .Select(address => address.ToString())                    .Concat(hostEntry.Aliases)                    .Concat(new[] { Environment.MachineName, hostEntry.HostName })                    .ToArray();            }            catch (SocketException)            {                // If DNS operations fails, at least return machine name                return new[] { Environment.MachineName };            }        }    }}