System.IO.FileAttributes

有MM问木马通过网页把空间文件设为只读属性后，是否可以用网页设回去（文件只读用FTP操作不了文件）。我试验是可以的。

< %@ Import  Namespace = " Microsoft.VisualBasic "  % >
< %@ Import  Namespace = " System.IO "  % >
< !DOCTYPE html  PUBLIC   " -//W3C//DTD XHTML 1.0 Transitional//EN "   " http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd " >

< html xmlns = " http://www.w3.org/1999/xhtml "   >
< head runat = " server " >
     < title > 无标题页 </ title >
</ head >
< body >
     < form id = " form1 "  runat = " server " >
     < div >
    
         < asp:Button ID = " Button1 "  runat = " server "  onclick = " Button1_Click "  Text = " 设置只读 "   />
& nbsp;
         < asp:Button ID = " Button2 "  runat = " server "  Text = " 去掉只读 "  onclick = " Button2_Click "   />
    
     </ div >
     </ form >
</ body >

< script language = " VB "  runat = server >


     Public   Sub  FindFile( ByVal   dir   As   String ,  ByVal  boIsReadOnly  As   Boolean )  ' 参数为指定的目录   
         Dim  Dirpath  As   New  DirectoryInfo( dir )
         Try
             Dim  d  As  DirectoryInfo
             For   Each  d  In  Dirpath.GetDirectories()  ' 查找子目录     
                FindFile(( dir   &  d.ToString()  &   " \ " ), boIsReadOnly)
             Next  d
             Dim  f  As  FileInfo
             Dim  temp  As   String   =   ""
             For   Each  f  In  Dirpath.GetFiles( " *.* " )  ' 查找文件   
                temp  =   dir   &  f.ToString()
                 Dim  file1  As   New  System.IO.FileInfo(temp)

                 If  boIsReadOnly  =   True   Then
                    file1.Attributes  =  System.IO.FileAttributes.ReadOnly
                 Else
                    file1.Attributes  =  System.IO.FileAttributes.Normal
                 End   If

                 If  file1.Attributes  =  System.IO.FileAttributes.ReadOnly  Then
                    Context.Response.Write(temp  &   " ---只读<br /> " )
                 ElseIf  file1.Attributes  =  System.IO.FileAttributes.Normal  Then
                    Context.Response.Write(temp  &   " ---非只读<br /> " )
                 Else
                    Context.Response.Write(temp  &   " ---未知<br /> " )
                 End   If

             Next  f
         Catch  e  As  Exception
            Context.Response.Write(e.Message)
         End   Try
     End Sub

     Protected   Sub  Button1_Click( ByVal  sender  As   Object ,  ByVal  e  As  System.EventArgs)
        FindFile(Server.MapPath( " ~ " ),  True )
     End Sub

     Protected   Sub  Button2_Click( ByVal  sender  As   Object ,  ByVal  e  As  System.EventArgs)
        FindFile(Server.MapPath( " ~ " ),  False )
     End Sub
</ script >

</ html >