private static bool tryCreatePorts(string value, out int[] result, out string parseError)
{
var ports = value.Trim('"').Split(',');
var len = ports.Length;
var res = new int[len];
for (var i = 0; i < len; i++)
{
res[i] = Int32.MinValue;
var port = ports[i].Trim();
if (port.Length == 0)
{
continue;
}
#if SSHARP
if (!TryParsers.Int32TryParse(port, out res[i]))
#else
if (!Int32.TryParse(port, out res[i]))
#endif
{
result = new int[0];
parseError = port;
return(false);
}
}
result = res;
parseError = String.Empty;
return(true);
}
internal FtpStatus GetResponseStatus()
{
while (true)
{
string response = null;
try
{
response = controlReader.ReadLine();
}
catch (IOException)
{
}
if (response == null || response.Length < 3)
{
return(ServiceNotAvailable());
}
int code;
#if SSHARP
if (!TryParsers.Int32TryParse(response.Substring(0, 3), out code))
#else
if (!Int32.TryParse(response.Substring(0, 3), out code))
#endif
{ return(ServiceNotAvailable()); }
if (response.Length > 3 && response[3] == '-')
{
string line = null;
string find = code.ToString() + ' ';
while (true)
{
line = null;
try
{
line = controlReader.ReadLine();
}
catch (IOException)
{
}
if (line == null)
{
return(ServiceNotAvailable());
}
response += Environment.NewLine + line;
if (line.StartsWith(find, StringComparison.Ordinal))
{
break;
}
}
}
return(new FtpStatus((FtpStatusCode)code, response));
}
}
public WebConnectionStream(WebConnection cnc, WebConnectionData data)
{
if (data == null)
{
throw new InvalidOperationException("data was not initialized");
}
if (data.Headers == null)
{
throw new InvalidOperationException("data.Headers was not initialized");
}
if (data.request == null)
{
throw new InvalidOperationException("data.request was not initialized");
}
isRead = true;
cb_wrapper = new AsyncCallback(ReadCallbackWrapper);
pending = new ManualResetEvent(true);
this.request = data.request;
read_timeout = request.ReadWriteTimeout;
write_timeout = read_timeout;
this.cnc = cnc;
string contentType = data.Headers["Transfer-Encoding"];
bool chunkedRead = (contentType != null && contentType.IndexOf("chunked", StringComparison.OrdinalIgnoreCase) != -1);
string clength = data.Headers["Content-Length"];
if (!chunkedRead && clength != null && clength != "")
{
try
{
contentLength = Int32.Parse(clength);
if (contentLength == 0 && !IsNtlmAuth())
{
ReadAll();
}
}
catch
{
contentLength = Int32.MaxValue;
}
}
else
{
contentLength = Int32.MaxValue;
}
// Negative numbers?
#if SSHARP
if (!TryParsers.Int32TryParse(clength, out stream_length))
#else
if (!Int32.TryParse(clength, out stream_length))
#endif
{ stream_length = -1; }
}
protected override void OnValueChanged()
{
int i;
#if NETCF
if (TryParsers.Int32TryParse(Value, out i))
#else
if (int.TryParse(Value, out i))
#endif
{ Enabled = i != 0; }
else
{
Enabled = Convert.ToBoolean(Value);
}
}
// Probably we could do better having here a regex
private Socket SetupPassiveConnection(string statusDescription)
{
// Current response string
string response = statusDescription;
if (response.Length < 4)
{
throw new WebException("Cannot open passive data connection");
}
// Look for first digit after code
int i;
for (i = 3; i < response.Length && !Char.IsDigit(response[i]); i++)
{
;
}
if (i >= response.Length)
{
throw new WebException("Cannot open passive data connection");
}
// Get six elements
string[] digits = response.Substring(i).Split(new char[] { ',' }, 6);
if (digits.Length != 6)
{
throw new WebException("Cannot open passive data connection");
}
// Clean non-digits at the end of last element
int j;
for (j = digits[5].Length - 1; j >= 0 && !Char.IsDigit(digits[5][j]); j--)
{
;
}
if (j < 0)
{
throw new WebException("Cannot open passive data connection");
}
digits[5] = digits[5].Substring(0, j + 1);
IPAddress ip;
try
{
ip = IPAddress.Parse(String.Join(".", digits, 0, 4));
}
catch (FormatException)
{
throw new WebException("Cannot open passive data connection");
}
// Get the port
int p1, p2, port;
#if SSHARP
if (!TryParsers.Int32TryParse(digits[4], out p1) || !TryParsers.Int32TryParse(digits[5], out p2))
#else
if (!Int32.TryParse(digits[4], out p1) || !Int32.TryParse(digits[5], out p2))
#endif
{ throw new WebException("Cannot open passive data connection"); }
port = (p1 << 8) + p2; // p1 * 256 + p2
//port = p1 * 256 + p2;
if (port < IPEndPoint.MinPort || port > IPEndPoint.MaxPort)
{
throw new WebException("Cannot open passive data connection");
}
IPEndPoint ep = new IPEndPoint(ip, port);
#if SSHARP
CrestronClientSocket sock = new CrestronClientSocket();
#else
Socket sock = new Socket(ep.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
#endif
try
{
sock.Connect(ep);
}
catch (SocketException)
{
sock.Close();
throw new WebException("Cannot open passive data connection");
}
return(sock);
}
