private static void OpenFirewallPort(string name, int port)
{
try
{
//Type tNetFwPolicy2 = Type.GetTypeFromProgID("HNetCfg.FwPolicy2");
//NetFwTypeLib.INetFwPolicy2 fwPolicy2 = (NetFwTypeLib.INetFwPolicy2)Activator.CreateInstance(tNetFwPolicy2);
//var currentProfiles = fwPolicy2.CurrentProfileTypes;
NetFwTypeLib.INetFwRule2 rule = (NetFwTypeLib.INetFwRule2)Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FWRule"));
rule.Name = name;
rule.Enabled = true;
rule.Protocol = 6; // TCP
rule.LocalPorts = port.ToString();
//rule.Profiles = currentProfiles;
NetFwTypeLib.INetFwPolicy2 policy = (NetFwTypeLib.INetFwPolicy2)Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FwPolicy2"));
rule.Profiles = policy.CurrentProfileTypes;
policy.Rules.Add(rule);
}
catch (Exception ex) { TraceLogger.Instance.WriteException(ex); }
}
private void FirewallButton_Click(object sender, RoutedEventArgs e)
{
if (SaveAll() == false)
{
return;
}
try
{
var fw = (NetFwTypeLib.INetFwMgr)Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FwMgr"));
if (fw == null || fw.LocalPolicy.CurrentProfile.FirewallEnabled == false)
{
MessageBox.Show("Can't set firewall rules. Windows Firewall diabled. Please enable firewall.", "Firewall", MessageBoxButton.OK, MessageBoxImage.Warning);
return;
}
// check firewall rules
NetFwTypeLib.INetFwPolicy2 firewallPolicy = (NetFwTypeLib.INetFwPolicy2)Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FwPolicy2"));
if (firewallPolicy != null)
{
firewallPolicy.Rules.Remove(fRuleNscaName);
firewallPolicy.Rules.Remove(fRuleNrpeName);
Nagios.Net.Client.Nsca.NscaSettings nsca = _appConfig.GetSection("nscaSettings") as Nagios.Net.Client.Nsca.NscaSettings;
if (nsca != null)
{
NetFwTypeLib.INetFwRule nscaRule = (NetFwTypeLib.INetFwRule)Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FWRule"));
if (nscaRule != null)
{
nscaRule.Protocol = (int)NetFwTypeLib.NET_FW_IP_PROTOCOL_.NET_FW_IP_PROTOCOL_TCP;
nscaRule.Action = NetFwTypeLib.NET_FW_ACTION_.NET_FW_ACTION_ALLOW;
nscaRule.Description = "Used to allow Nagios Net client send NSCA messages to Nagios server";
nscaRule.Direction = NetFwTypeLib.NET_FW_RULE_DIRECTION_.NET_FW_RULE_DIR_OUT;
nscaRule.Enabled = true;
nscaRule.InterfaceTypes = "All";
nscaRule.Name = fRuleNscaName;
nscaRule.RemoteAddresses = nsca.NscaAddress;
nscaRule.RemotePorts = nsca.Port.ToString();
firewallPolicy.Rules.Add(nscaRule);
}
}
Nagios.Net.Client.Nrpe.NrpeSettings nrpe = _appConfig.GetSection("nrpeSettings") as Nagios.Net.Client.Nrpe.NrpeSettings;
if (nrpe != null)
{
NetFwTypeLib.INetFwRule nrpeRule = (NetFwTypeLib.INetFwRule)Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FWRule"));
if (nrpeRule != null)
{
nrpeRule.Protocol = (int)NetFwTypeLib.NET_FW_IP_PROTOCOL_.NET_FW_IP_PROTOCOL_TCP;
nrpeRule.Action = NetFwTypeLib.NET_FW_ACTION_.NET_FW_ACTION_ALLOW;
nrpeRule.Description = "Used to allow Nagios Net client receive NRPE commands and send replies to Nagios server";
nrpeRule.Direction = NetFwTypeLib.NET_FW_RULE_DIRECTION_.NET_FW_RULE_DIR_IN;
nrpeRule.Enabled = true;
nrpeRule.InterfaceTypes = "All";
nrpeRule.Name = fRuleNrpeName;
StringBuilder fhs = new StringBuilder();
foreach (Nagios.Net.Client.Nrpe.FilteredHost fh in nrpe.Hosts)
{
if (fhs.Length > 0)
{
fhs.Append(",");
}
fhs.Append(fh.Host);
}
nrpeRule.RemoteAddresses = fhs.Length > 0 ? fhs.ToString() : "*";
nrpeRule.LocalAddresses = nrpe.IP.ToUpper().Contains("ANY") ? "*" : nrpe.IP;
nrpeRule.LocalPorts = nrpe.Port.ToString();
firewallPolicy.Rules.Add(nrpeRule);
}
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Firewall Rules", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
