public override void DeleteRule(String table, String chainName, int position)
{
String command = "-D " + chainName + " " + position;
if (!String.IsNullOrEmpty(table) && table != "filter")
{
command += " -t " + table;
}
ExecutionHelper.ExecuteIptables(_system, command, _iptablesBinary);
}
public override void DeleteChain(string table, string chainName, bool flush = false)
{
String arguments;
if (flush)
{
arguments = String.Format("-t {0} -F {1}", table, chainName);
ExecutionHelper.ExecuteIptables(_system, arguments, _iptablesBinary);
}
arguments = String.Format("-t {0} -X {1}", table, chainName);
ExecutionHelper.ExecuteIptables(_system, arguments, _iptablesBinary);
}
public override bool HasChain(string table, string chainName)
{
String command = String.Format("-L {0} -t {1}", chainName, table);
try
{
ExecutionHelper.ExecuteIptables(_system, command, _iptablesBinary);
return(true);
}
catch (IpTablesNetException)
{
return(false);
}
}
public Version GetIptablesVersion()
{
var versionProcess = ExecutionHelper.ExecuteIptables(_system, "-V", _iptablesBinary);
var versionOutput = versionProcess.StandardOutput.ReadToEnd();
Regex r = new Regex(@"iptables v([0-9]+\.[0-9]+\.[0-9]+)");
if (!r.IsMatch(versionOutput))
{
throw new IpTablesNetException("Unable to get version string");
}
var match = r.Match(versionOutput);
return(new Version(match.Groups[1].Value));
}
public Version GetIptablesVersion()
{
String versionOutput, error;
ExecutionHelper.ExecuteIptables(_system, "-V", _iptablesBinary, out versionOutput, out error);
Regex r = new Regex(@"iptables v([0-9]+\.[0-9]+\.[0-9]+)");
if (!r.IsMatch(versionOutput))
{
throw new IpTablesNetException("Unable to get version string");
}
var match = r.Match(versionOutput);
return(new Version(match.Groups[1].Value));
}
public override void AddChain(string table, string chainName)
{
String command = String.Format("-t {0} -N {1}", table, chainName);
ExecutionHelper.ExecuteIptables(_system, command, _iptablesBinary);
}
public override void AddRule(IpTablesRule rule)
{
String command = rule.GetActionCommand();
ExecutionHelper.ExecuteIptables(_system, command, _iptablesBinary);
}
public void AddRule(String command)
{
ExecutionHelper.ExecuteIptables(_system, command, _iptablesBinary);
}