/// <summary>
/// Get a list of all the files in the current working directory from the server.
/// </summary>
/// <returns>A server message in response to this action.</returns>
private ServerMessage Dir()
{
ServerMessage reply;
if (CliMode == ClientMode.Passive)
{
SendCmd("PASV");
reply = cmdCon.ReadMessage();
// if successful, this will initiate a new data connection
HandleReply(reply);
if (!dataCon.IsConnected())
{
Console.Error.WriteLine("No connection could be established to retrieve the directory listing.");
return(reply);
}
SendCmd("LIST");
reply = cmdCon.ReadMessage();
HandleReply(reply);
Console.Write(dataCon.ReadDirectory());
return(cmdCon.ReadMessage());
}
else
{
using (FTPListener dirCon = new FTPListener())
{
String commaSepIP = String.Join(",", dirCon.LocalIP.ToString().Split('.'));
int octet1 = dirCon.Port / 256;
int octet2 = dirCon.Port % 256;
String ipParam = String.Format("{0},{1},{2}", commaSepIP, octet1, octet2);
SendCmd("PORT", ipParam);
reply = cmdCon.ReadMessage();
if (reply.Code != SUCCESS)
{
return(reply);
}
HandleReply(reply);
SendCmd("LIST");
reply = cmdCon.ReadMessage();
HandleReply(reply);
Console.Write(dirCon.AcceptDirectory());
}
return(cmdCon.ReadMessage());
}
}
/// <summary>
/// Get a file from the server.
/// </summary>
/// <param name="fileName">The name of the file to request.</param>
/// <returns>A server message in response to this action.</returns>
private ServerMessage GetFile(String fileName)
{
ServerMessage reply;
if (CliMode == ClientMode.Passive)
{
SendCmd("PASV");
reply = cmdCon.ReadMessage();
// if successful, this will initiate a new data connection
HandleReply(reply);
if (dataCon == null || !dataCon.IsConnected())
{
Console.Error.WriteLine("No connection could be established to retrieve the file.");
return(reply);
}
SendCmd("RETR", fileName);
reply = cmdCon.ReadMessage();
HandleReply(reply);
if (dataCon == null || !dataCon.IsConnected())
{
return(new ServerMessage());
}
using (FileStream f = File.Create(fileName))
{
dataCon.ReadFile(f, DatMode);
}
return(cmdCon.ReadMessage());
}
else
{
using (FTPListener fileCon = new FTPListener())
{
String commaSepIP = String.Join(",", fileCon.LocalIP.ToString().Split('.'));
int octet1 = fileCon.Port / 256;
int octet2 = fileCon.Port % 256;
String ipParam = String.Format("{0},{1},{2}", commaSepIP, octet1, octet2);
SendCmd("PORT", ipParam);
reply = cmdCon.ReadMessage();
if (reply.Code != SUCCESS)
{
return(reply);
}
HandleReply(reply);
SendCmd("RETR", fileName);
reply = cmdCon.ReadMessage();
HandleReply(reply);
if (reply.Code == PERMISSION_DENIED)
{
return(new ServerMessage());
}
using (FileStream f = File.Create(fileName))
{
fileCon.AcceptFile(f, DatMode);
}
}
return(cmdCon.ReadMessage());
}
}
