namespace FtpHomeDirectory
{
    public class FtpHomeDirDemo : BaseProvider,
        IFtpHomeDirectoryProvider
    {
        string IFtpHomeDirectoryProvider.GetUserHomeDirectoryData(
            string sessionId,
            string siteName,
            string userName)
        {
            // Note: You would add your own custom logic here.
            // Return the user‘s home directory based on their user name.
            string homedir = @"D:\Ftptest\" + userName;
            VASLog.WriteLog_day(@"d:\Ftptest", "ftplog", "siteName: " + siteName + "   用户想要得到的目录是:"+homedir+" ;");
            return homedir;
        }
    }

namespace FtpAuthenticationDemo
{
    public class FtpAuthDemo : BaseProvider,
        IFtpAuthenticationProvider,
        IFtpRoleProvider  
    {


        //void IFtpLogProvider.Log(FtpLogEntry loggingParameters)
        //{
        //    // Note: You would add your own custom logic here.
        //    // Open the log file for output.
        //    using (StreamWriter sw =
        //        new StreamWriter(@"C:\inetpub\logs\LogFiles\FTPSVC8\myftplog.log", true))
        //    {
        //        // Retrieve the current date and time for the log entry.
        //        DateTime dt = DateTime.Now;
        //        // Retrieve the user name.
        //        string un = loggingParameters.UserName;
        //        // Write the log entry to the log file.
        //        sw.WriteLine("{0}\t{1}\t{2}\t{3}\t{4}\t{5}",
        //            dt.ToShortDateString(),
        //            dt.ToLongTimeString(),
        //            loggingParameters.RemoteIPAddress,
        //            (un.Length == 0) ? "-" : un,
        //            loggingParameters.Command,
        //            loggingParameters.SessionId);
        //    }
        //}





        bool IFtpAuthenticationProvider.AuthenticateUser(
            string sessionId,
            string siteName,
            string userName,
            string userPassword,
            out string canonicalUserName)
        {
            // Note: You would add your own custom logic here.
            canonicalUserName = userName;
            //string strUserName = "test";
            //string strPassword = "123";
            VASLog.WriteLog_day(@"d:\Ftptest", "ftplog", canonicalUserName + "   siteName: " +siteName +"   校验总是可以成功的;");

            return true;
            // Verify that the user name and password are valid.
            // Note: In this example, the user name is case-insensitive
            // and the password is case-sensitive.
            //if (((userName.Equals(strUserName,
            //    StringComparison.OrdinalIgnoreCase)) == true) &&
            //    userPassword == strPassword)
            //{
            //    return true;
            //}
            //else
            //{
            //    return true;
            //}
        }
        bool IFtpRoleProvider.IsUserInRole(
            string sessionId,
            string siteName,
            string userName,
            string userRole)
        {
            // Note: You would add your own custom logic here.
            string strUserName = "MyUser";
            string strRoleName = "MyRole";
            //VASLog.WriteLog_day(@"d:\Ftptest", "ftplog", "IsUserInRole");
            return true;
            // Verify that the user name and role name are valid.
            // Note: In this example, both the user name and
            // the role name are case-insensitive.
            if (((userName.Equals(strUserName,
                StringComparison.OrdinalIgnoreCase)) == true) &&
                ((userRole.Equals(strRoleName,
                StringComparison.OrdinalIgnoreCase)) == true))
            {
                return true;
            }
            else
            {
                return false;
            }
        }


        //string IFtpHomeDirectoryProvider.GetUserHomeDirectoryData(
        //        string sessionId,
        //        string siteName,
        //        string userName)
        //{
        //    VASLog.WriteLog_day(@"d:\Ftptest", "ftplog", "GetUserHomeDirectoryData");
        //    // Note: You would add your own custom logic here.
        //    // Return the user‘s home directory based on their user name.
        //    return @"d:\FtpTest\" + userName;
        //}



    }

AppCmd set site "YourFTP" /+ftpServer.customFeatures.providers.[name=‘FtpHomeDirectoryDemo‘,enabled=‘true‘]

AppCmd set site "YourFTP" /ftpServer.userIsolation.mode:Custom