在线修改ServU密码注意问题。

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我是靠谱客的博主闪闪香氛，最近开发中收集的这篇文章主要介绍在线修改ServU密码注意问题。，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

   /// <summary>
         /// 检查用户名密码是否匹配
         /// </summary>
         /// <param name="user"> 用户名 </param>
         /// <param name="pass"> 用户密码 </param>
         /// <returns> 是否匹配 </returns>
         public Boolean CheckPasswordByUser( string user, string pass)
        {
             string sqlstring = string.Format( " select Password from [User accounts] where [User]='{0}' ", user);
             object o=dbServU.GetSingle(sqlstring);
             if (o != null)
            {
                 string dbPass = ( string)o;
                 if (dbPass.Length > 32)
                {
                     char a, b;
                    a = dbPass[ 0];
                    b = dbPass[ 1];
                     string password = string.Format( " {0}{1}{2} ", a, b, pass);
                    password = FormsAuthentication.HashPasswordForStoringInConfigFile(password, " MD5 ");
                    password = string.Format( " {0}{1}{2} ", a, b, password.ToUpper());
                     if (dbPass == password)
                         return true;
                }
            }
             return false;
        }

         /// <summary>
         /// 生成新ServU格式密码
         /// </summary>
         /// <param name="pass"> 密码 </param>
         /// <returns> 生成的新密码 </returns>
         public string GenNewPass( string pass)
        {
            Random rnm = new Random();
             char a = ( char)(rnm.Next( 97, 123));
             char b = ( char)(rnm.Next( 97, 123));
             string password = string.Format( " {0}{1}{2} ", a, b, pass);
            password = FormsAuthentication.HashPasswordForStoringInConfigFile(password, " MD5 ");
            pass = string.Format( " {0}{1}{2} ", a, b, password.ToUpper());
             return pass;
        }

         /// <summary>
         /// 更改密码
         /// </summary>
         /// <param name="user"> 用户名 </param>
         /// <param name="newPass"> 新密码 </param>
         /// <returns> 是否成功 </returns>
         public Boolean ResetPass( string user, string newPass)
        {
             string sqlstring = string.Format( " select Password from [User accounts] where [User]='{0}' ", user);
             object o=dbServU.GetSingle(sqlstring);
             if (o != null)
            {
                sqlstring = string.Format( " update  [User accounts] set password='{0}' where [User]='{1}' ", GenNewPass(newPass), user);
                 if (dbServU.ExcuteSQL(sqlstring) > 0)
                     return true;
            }
             return false;
        }

密码修改成功后，在注意在ServU中设置Allow user to change password。不然，修改之后密码和新密码都无法正常登录FTP。

转载于:https://www.cnblogs.com/leotan/archive/2012/10/24/2736633.html