/// <summary>
///
/// </summary>
protected void CreatePassiveFtpSocketInformation()
{
// Most answers are in a pattern like
// 227 blah blah blah (ip0,ip1,ip2,ip3,prt0,prt1)
// So first find ( and than ) and in between you find the
// IP addres and the port which has to be calculated.
// prt0 must be multiplied by 256 and prt1 must be added to the calculation to get the 'listeners port'
/*
Official documentation:
Tells the server to enter "passive mode".
In passive mode, the server will wait for the client to establish a connection with it
rather than attempting to connect to a client-specified port.
The server will respond with the address of the port it is listening on, with a message like:
227 Entering Passive Mode (a1,a2,a3,a4,p1,p2)
where a1.a2.a3.a4 is the IP address and p1*256+p2 is the port number.
*/
var startPart = ftpProg.FtpResponse.LastIndexOf("(") + 1;
var endPart = ftpProg.FtpResponse.LastIndexOf(")");
var passsiveResult = ftpProg.FtpResponse.Substring(startPart, endPart - startPart);
var results = passsiveResult.Split(',');
storSendTo = new FtpPassiveConnection();
storSendTo.PassiveIP = IPAddress.Parse(String.Format("{0}.{1}.{2}.{3}", results[0], results[1], results[2], results[3]));
storSendTo.PasssivePortNr = (Convert.ToInt32(results[4]) * 256) + Convert.ToInt32(results[5]);
}
/// <summary>
///
/// </summary>
protected void CreatePassiveFtpSocketInformation()
{
// Most answers are in a pattern like
// 227 blah blah blah (ip0,ip1,ip2,ip3,prt0,prt1)
// So first find ( and than ) and in between you find the
// IP addres and the port which has to be calculated.
// prt0 must be multiplied by 256 and prt1 must be added to the calculation to get the 'listeners port'
/*
* Official documentation:
* Tells the server to enter "passive mode".
* In passive mode, the server will wait for the client to establish a connection with it
* rather than attempting to connect to a client-specified port.
*
* The server will respond with the address of the port it is listening on, with a message like:
* 227 Entering Passive Mode (a1,a2,a3,a4,p1,p2)
* where a1.a2.a3.a4 is the IP address and p1*256+p2 is the port number.
*/
var startPart = ftpProg.FtpResponse.LastIndexOf("(") + 1;
var endPart = ftpProg.FtpResponse.LastIndexOf(")");
var passsiveResult = ftpProg.FtpResponse.Substring(startPart, endPart - startPart);
var results = passsiveResult.Split(',');
storSendTo = new FtpPassiveConnection();
storSendTo.PassiveIP = IPAddress.Parse(String.Format("{0}.{1}.{2}.{3}", results[0], results[1], results[2], results[3]));
storSendTo.PasssivePortNr = (Convert.ToInt32(results[4]) * 256) + Convert.ToInt32(results[5]);
}