Access Old Novell Netware Volume Drive using C#

• Netware client must be installed at the host running this code.
• I’m using Novell Client for Windows Vista 1.0 in Windows 2008 SP1 .NET 3.5
• This code does not map novell volume drive to the host machine.Use UNC path.

// The Netware.dll
using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using System.IO;
namespace knNovell
{
    public class Netware
    {
        [DllImport(”calwin32.dll”, CharSet = CharSet.Ansi)]
        private static extern int NWCallsInit(int _in, int _out);
        [DllImport(”locwin32.dll”, CharSet = CharSet.Ansi)]
        private static extern int NWFreeUnicodeTables();
        [DllImport(”netwin32.dll”, CharSet = CharSet.Ansi)]
        private static extern int NWDSCreateContextHandle(out UInt32 newHandle);
        [DllImport(”netwin32.dll”, CharSet = CharSet.Ansi)]
        private static extern int NWDSFreeContext(UInt32 context);
        [DllImport(”netwin32.dll”, CharSet = CharSet.Ansi)]
        private static extern int NWDSLogin(UInt32 context, UInt32 optionsFlag, string objectName, string password, UInt32 validityPeriod);
        [DllImport(”netwin32.dll”, CharSet = CharSet.Ansi)]
        private static extern int NWDSLogout(UInt32 context);
        [DllImport(”netwin32.dll”, CharSet = CharSet.Ansi)]
        private static extern int NWDSSetContext(UInt32 context, Int16 key, string value);
        static UInt32 context;

        public static string Connect(string ServerName, string Tree, string UsrContext, string UsrName, string UsrPwd, string TargetFolder)
        {
            try
            {
                NWCallsInit(0, 0);
                NWDSCreateContextHandle(out context);
                NWDSSetContext(context, 11, Tree);
                NWDSSetContext(context, 3, UsrContext);
                NWDSLogin(context, 0, UsrName, UsrPwd, 0);
                /* Since novell return code does not make any sense,
                * this line try to read any folder inside the server.
                * If no exception, the login process is successful.
                * In my case, I will try to access \SYS\CLSOUT folder.
                */
                string[] verifyLogin = Directory.GetFiles(@”\\” + ServerName + @”\SYS\” + TargetFolder + @”\”);
                return ”0”;
            }
            catch (Exception ex)
            {
                return ex.Message;
            }
        }

        public static string Disconnect()
        {
            try
            {
                NWDSLogout(context);
                NWDSFreeContext(context);
                NWFreeUnicodeTables();
                return ”0”;
            }
            catch (Exception ex)
            {
                return ex.Message;
            }
        }
    }
}

//The main

using System;
using System.Collections.Generic;
using System.Text;
using knNovell; // Dont forget to add reference to Netware.dll

namespace testNetwareDll
{
    class Program
    {
        static void Main(string[] args)
        {
            string ServerName = “DNS_ServerName or Netbios name”;
            string Tree = “TREE”;
            string UsrContext = “UserContext”;
            string UsrName = “Username”;
            string UsrPwd = “Pwd”;
            string TargetFolder = “CLSOUT”;

            Console.WriteLine(Netware.Connect(ServerName, Tree, UsrContext, UsrName, UsrPwd, TargetFolder));
            Console.ReadKey();
            Netware.Disconnect();
            Console.ReadKey();
        }
    }
}

//You can use this code to create Windows Services using this skel

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.ServiceProcess;
using System.Text;
using System.IO;
using System.Threading;
using knNovell; // Dont forget to add reference to Netware.dll

namespace knFrameworks
{
    public partial class MyService : ServiceBase
    {
        public KnService()
        {
            InitializeComponent();
        }

        Thread MyNovellService;

        protected override void OnStart(string[] args)
        {
            MyNovellService = new Thread(this.fileService);
            MyNovellService.Start();
        }

        protected override void OnStop()
        {
            MyNovellService.Abort();
        }

        public void fileService()
        {
            for (; ; )  //Infinite Loop
            {
              //Your Code
            } // Infinite loop
        }
    } // End
}

Ref site:

1. http://developer.novell.com/documentation/ndslib/index.html?page=/documentation/ndslib/dsov_enu/data/hbjry4gt.html
2. http://rsdn.ru/Forum/message/2659203.flat.aspx

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