static string NetShArgumentsForRule(int port, RuleDirections direction, TransportProtocols protocol)
{
string strArguments = "";
if (Functions.OSSupportsAdvancedFirewallInNetSH)
{
strArguments += "advfirewall firewall add rule name=" + "\"" + "Remote Potato - " + port.ToString() + " " + direction.ToString() + "\"";
strArguments += " dir=" + ((direction == RuleDirections.Inbound) ? "in" : "out");
strArguments += " action=allow";
strArguments += " protocol=" + ((protocol == TransportProtocols.TCP) ? "TCP" : "UDP");
strArguments += " localport=" + port.ToString();
}
else
{
// XP old syntax
strArguments += "firewall add portopening name=" + "\"" + "Remote Potato - " + port.ToString() + " " + direction.ToString() + "\"";
strArguments += " protocol=" + ((protocol == TransportProtocols.TCP) ? "TCP" : "UDP");
strArguments += " port=" + port.ToString();
}
return(strArguments);
}
public Rule(Map parent, int pos, RuleTypes type, RuleDirections dir, string pattern, string replacement)
: this(parent, pos)
{
this.Type = type;
this.Direction = dir;
this.Pattern = pattern;
this.Replacement = replacement;
}
public Rule AddRule(RuleTypes type, RuleDirections dir, string pattern, string replacement)
{
Rule r = new Rule(this, this.NextRulePos, type, dir, pattern, replacement);
rules.Add(this.NextRulePos, r);
this.NextRulePos ++;
return r;
}
static bool AddFirewallRule(int port, RuleDirections direction, TransportProtocols protocol)
{
System.Diagnostics.Process process = null;
System.Diagnostics.ProcessStartInfo processStartInfo;
processStartInfo = new System.Diagnostics.ProcessStartInfo();
processStartInfo.FileName = "netsh.exe";
processStartInfo.Arguments = NetShArgumentsForRule(port, direction, protocol);
if (Functions.OSSupportsAdvancedFirewallInNetSH)
processStartInfo.Verb = "runas";
processStartInfo.UseShellExecute = true;
//processStartInfo.UseShellExecute = false;
//processStartInfo.CreateNoWindow = true;
//processStartInfo.RedirectStandardOutput = true;
processStartInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
try
{
process = System.Diagnostics.Process.Start(processStartInfo);
DateTime begunProcess = DateTime.Now;
bool processTimeout = false;
while (!process.HasExited)
{
System.Threading.Thread.Sleep(200);
TimeSpan elapsed = (DateTime.Now - begunProcess);
if (elapsed.TotalSeconds > 25)
{
processTimeout = true;
break;
}
}
if (processTimeout)
{
Functions.WriteLineToLogFile("FirewallHelper: NOT OK - TimeOut");
return false;
}
else if (process.ExitCode != 0)
{
string processOutput = process.StandardOutput.ReadToEnd();
Functions.WriteLineToLogFile("FirewallHelper: NOT OK (error code " + process.ExitCode.ToString() );
Functions.WriteLineToLogFile(processOutput);
return false;
}
}
catch (Exception ex)
{
Functions.WriteLineToLogFile("FirewallHelper: Exception trying to add a firewall rule using netsh.");
Functions.WriteExceptionToLogFile(ex);
return false;
}
finally
{
if (process != null)
{
process.Dispose();
}
}
Functions.WriteLineToLogFile("FirewallHelper: Rule Added 0 OK");
return true;
}
static string NetShArgumentsForRule(int port, RuleDirections direction, TransportProtocols protocol)
{
string strArguments = "";
if (Functions.OSSupportsAdvancedFirewallInNetSH)
{
strArguments += "advfirewall firewall add rule name=" + "\"" + "Remote Potato - " + port.ToString() + " " + direction.ToString() + "\"";
strArguments += " dir=" + ((direction == RuleDirections.Inbound) ? "in" : "out");
strArguments += " action=allow";
strArguments += " protocol=" + ((protocol == TransportProtocols.TCP) ? "TCP" : "UDP");
strArguments += " localport=" + port.ToString();
}
else
{
// XP old syntax
strArguments += "firewall add portopening name=" + "\"" + "Remote Potato - " + port.ToString() + " " + direction.ToString() + "\"";
strArguments += " protocol=" + ((protocol == TransportProtocols.TCP) ? "TCP" : "UDP");
strArguments += " port=" + port.ToString();
}
return strArguments;
}
static bool AddFirewallRule(int port, RuleDirections direction, TransportProtocols protocol)
{
System.Diagnostics.Process process = null;
System.Diagnostics.ProcessStartInfo processStartInfo;
processStartInfo = new System.Diagnostics.ProcessStartInfo();
processStartInfo.FileName = "netsh.exe";
processStartInfo.Arguments = NetShArgumentsForRule(port, direction, protocol);
if (Functions.OSSupportsAdvancedFirewallInNetSH)
{
processStartInfo.Verb = "runas";
}
processStartInfo.UseShellExecute = true;
//processStartInfo.UseShellExecute = false;
//processStartInfo.CreateNoWindow = true;
//processStartInfo.RedirectStandardOutput = true;
processStartInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
try
{
process = System.Diagnostics.Process.Start(processStartInfo);
DateTime begunProcess = DateTime.Now;
bool processTimeout = false;
while (!process.HasExited)
{
System.Threading.Thread.Sleep(200);
TimeSpan elapsed = (DateTime.Now - begunProcess);
if (elapsed.TotalSeconds > 25)
{
processTimeout = true;
break;
}
}
if (processTimeout)
{
Functions.WriteLineToLogFile("FirewallHelper: NOT OK - TimeOut");
return(false);
}
else if (process.ExitCode != 0)
{
string processOutput = process.StandardOutput.ReadToEnd();
Functions.WriteLineToLogFile("FirewallHelper: NOT OK (error code " + process.ExitCode.ToString());
Functions.WriteLineToLogFile(processOutput);
return(false);
}
}
catch (Exception ex)
{
Functions.WriteLineToLogFile("FirewallHelper: Exception trying to add a firewall rule using netsh.");
Functions.WriteExceptionToLogFile(ex);
return(false);
}
finally
{
if (process != null)
{
process.Dispose();
}
}
Functions.WriteLineToLogFile("FirewallHelper: Rule Added 0 OK");
return(true);
}
