/// <summary>
/// Does the Linux Kernel support SYNPROXY
/// </summary>
/// <param name="system"></param>
/// <returns></returns>
public static bool KernelSupported(ISystemFactory system)
{
String output, error;
using (var process = system.StartProcess("uname", "-r"))
{
ProcessHelper.ReadToEnd(process, out output, out error);
if (process.ExitCode != 0)
{
throw new IpTablesNetException("Unable to execute uname and retreive the kenel version");
}
}
var regex = new Regex(@"([0-9]+)\.([0-9]+)\.([0-9]+)\-([0-9]+)");
if (regex.IsMatch(output))
{
var match = regex.Match(output);
var version = new Version(int.Parse(match.Groups[1].Value), int.Parse(match.Groups[2].Value),
int.Parse(match.Groups[3].Value), int.Parse(match.Groups[4].Value));
if (version >= new Version(3, 12))
{
return(true);
}
}
return(false);
}
/// <summary>
/// Does the Linux Kernel support SYNPROXY
/// </summary>
/// <param name="system"></param>
/// <returns></returns>
public static bool KernelSupported(ISystemFactory system)
{
String output, error;
using (var process = system.StartProcess("uname", "-r"))
{
ProcessHelper.ReadToEnd(process, out output, out error);
if (process.ExitCode != 0)
{
throw new IpTablesNetException("Unable to execute uname and retreive the kenel version");
}
}
var regex = new Regex(@"([0-9]+)\.([0-9]+)\.([0-9]+)\-([0-9]+)");
if (regex.IsMatch(output))
{
var match = regex.Match(output);
var version = new Version(int.Parse(match.Groups[1].Value), int.Parse(match.Groups[2].Value),
int.Parse(match.Groups[3].Value), int.Parse(match.Groups[4].Value));
if (version >= new Version(3, 12))
{
return true;
}
}
return false;
}
private bool ExecuteTransaction()
{
String output, error;
using (ISystemProcess process = _system.StartProcess(BinaryName, "restore"))
{
if (WriteStrings(_transactionCommands, process.StandardInput))
{
process.StandardInput.Flush();
process.StandardInput.Close();
ProcessHelper.ReadToEnd(process, out output, out error);
//OK
if (process.ExitCode == 0)
{
return(true);
}
}
else
{
ProcessHelper.ReadToEnd(process, out output, out error);
}
}
error = error.Trim();
if (error.Length != 0)
{
throw new IpTablesNetException(String.Format("Failed to execute transaction: {0}", error));
}
return(false);
}
protected string[] Command(String command, params String[] args)
{
String cmd = String.Format("{0} {1} {2}", _module, command, String.Join(" ", args));
using (var process = _system.StartProcess("ip", cmd.TrimEnd()))
{
String output, error;
ProcessHelper.ReadToEnd(process, out output, out error);
return(new string[] { output.Trim(), error.Trim() });
}
}
public NfAcctUsage Get(String name, bool reset = false)
{
String cmd = "get {0} xml";
if (reset)
{
cmd += " reset";
}
var process = _system.StartProcess("/usr/sbin/nfacct", String.Format(cmd, name));
process.WaitForExit();
var output = process.StandardOutput.ReadToEnd();
if (output.Trim().Length == 0)
{
return(null);
}
return(FromXml(output, name));
}
public String ExecuteBash(String code, out String error)
{
var process = _system.StartProcess("bash", "-");
process.StandardInput.WriteLine(code);
process.StandardInput.Close();
process.WaitForExit();
var output = process.StandardOutput.ReadToEnd();
error = process.StandardError.ReadToEnd().TrimEnd(new char[] { '\n' });
return(output.TrimEnd(new char[] { '\n' }));
}
public NfAcctUsage Get(String name, bool reset = false)
{
String cmd = "get {0} xml";
if (reset)
{
cmd += " reset";
}
String output, error;
using (var process = _system.StartProcess("/usr/sbin/nfacct", String.Format(cmd, name)))
{
ProcessHelper.ReadToEnd(process, out output, out error);
}
if (output.Trim().Length == 0)
{
return(null);
}
return(FromXml(output, name));
}
private bool ExecuteTransaction()
{
//ipset save
ISystemProcess process = _system.StartProcess(BinaryName, "restore");
if (WriteStrings(_transactionCommands, process.StandardInput))
{
process.StandardInput.Flush();
process.StandardInput.Close();
process.WaitForExit();
//OK
if (process.ExitCode != 0)
{
return(true);
}
}
return(false);
}