internal protected virtual void InvokeOnChangeDirectory(FtpChangeDirectoryArgs e)
{
if (this.OnChangeDirectory != null)
this.OnChangeDirectory(this, e);
}
public static void Cmd_CDUP(Object sender, CommandEventArgs e)
{
FtpSession lSession = (FtpSession)e.Session;
if (lSession.State == FtpState.LoggedIn)
{
if (e.Parameters.Length != 0)
{
e.Connection.WriteLine("501 Syntax error in parameters or arguments.");
}
else
{
String lNewDir = lSession.Directory;
if (lNewDir.Length > 2)
{
Int32 lNewLen = lNewDir.LastIndexOf('/', lNewDir.Length - 2);
if (lNewLen <= 0)
lNewLen = 1;
lNewDir = lNewDir.Substring(0, lNewLen);
if (lNewDir.Length == 0)
lNewDir = "/";
}
FtpChangeDirectoryArgs lEventArgs = new FtpChangeDirectoryArgs(e.Session, e.Connection, e.Server);
lEventArgs.NewDirectory = lNewDir;
try
{
((FtpServer)e.Server).InvokeOnChangeDirectory(lEventArgs);
}
catch (FtpException ex)
{
e.Connection.WriteLine(ex.ToString());
return;
}
catch
{
e.Connection.WriteLine("500 Internal Error");
return;
}
if (lEventArgs.ChangeDirOk)
{
e.Connection.WriteLine("250 CDUP command successful.");
lSession.Directory = lNewDir;
}
else
{
e.Connection.WriteLine("550 Permission Denied.");
}
}
}
else
{
e.Connection.WriteLine("503 Bad sequence of commands.");
}
}
protected override void InvokeOnChangeDirectory(FtpChangeDirectoryArgs ea)
{
string lPath = ea.NewDirectory;
if (lPath.IndexOf('/') != 0)
throw new Exception(String.Format("Not an absolute path: \"{0}\"", lPath));
VirtualFtpSession lSession = (VirtualFtpSession)ea.Session;
IFtpFolder lFolder = fRootFolder.DigForSubFolder(lPath.Substring(1), lSession);
if (lFolder != null)
{
((VirtualFtpSession)ea.Session).CurrentFolder = lFolder;
}
ea.ChangeDirOk = (lFolder != null);
base.InvokeOnChangeDirectory(ea);
}
public static void Cmd_CWD(Object sender, CommandEventArgs e)
{
FtpSession lSession = (FtpSession)e.Session;
if (lSession.State == FtpState.LoggedIn)
{
if (e.Parameters.Length == 0)
{
e.Connection.WriteLine("501 Syntax error in parameters or arguments.");
}
else
{
String lNewDir = e.AllParameters;
if (lNewDir.StartsWith("/"))
{
lNewDir = ValidateDirectory(lNewDir);
}
else
{
String lTemp = lSession.Directory;
if (!lTemp.EndsWith("/"))
lTemp = lTemp + "/";
lNewDir = ValidateDirectory(lTemp + lNewDir);
}
FtpChangeDirectoryArgs lArgs = new FtpChangeDirectoryArgs(e.Session, e.Connection, e.Server);
lArgs.NewDirectory = lNewDir;
try
{
((FtpServer)e.Server).InvokeOnChangeDirectory(lArgs);
}
catch (FtpException ex)
{
e.Connection.WriteLine(ex.ToString());
return;
}
catch
{
e.Connection.WriteLine("500 Internal Error");
return;
}
if (lArgs.ChangeDirOk)
{
e.Connection.WriteLine("250 CWD command successful, new folder is '{0}'.", lSession.Directory);
lSession.Directory = lNewDir;
}
else
{
e.Connection.WriteLine("550 Permission Denied.");
}
}
}
else
{
e.Connection.WriteLine("503 Bad sequence of commands.");
}
}
private void OnChangeDirectory(object sender, FtpChangeDirectoryArgs e)
{
VirtualFtpServer server = (VirtualFtpServer)sender;
VirtualFtpSession session = (VirtualFtpSession)e.Session;
if (e.NewDirectory.Equals("/"))
{
session.CurrentFolder = server.RootFolder.GetSubFolder(session.Username, session);
session.Directory = String.Format(@"/{0}/", session.Username);
}
}
