public FwErrorCode AddPort(int nPortNumber, NET_FW_IP_PROTOCOL_ ipProtocol, string strRegisterName)
{
if (_mFirewallProfile == null)
{
return(FwErrorCode.FwErrInitialized);
}
bool bEnablePort = true;
FwErrorCode nError = IsPortEnabled(nPortNumber, ipProtocol, ref bEnablePort);
if (nError != FwErrorCode.FwNoerror)
{
return(nError);
}
// Only add the port, if it isn't added to the collection
if (bEnablePort == false)
{
// Retrieve the collection of globally open ports
INetFwOpenPorts fwOpenPorts = _mFirewallProfile.GloballyOpenPorts;
if (fwOpenPorts == null)
{
return(FwErrorCode.FwErrGlobalOpenPorts);
}
// Create an instance of an open port
Type typeFwPort = Type.GetTypeFromCLSID(new Guid("{0CA545C6-37AD-4A6C-BF92-9F7610067EF5}"));
var fwOpenPort = (INetFwOpenPort)Activator.CreateInstance(typeFwPort);
// Set the port number
fwOpenPort.Port = nPortNumber;
// Set the IP Protocol
fwOpenPort.Protocol = ipProtocol;
// Set the registered name
fwOpenPort.Name = strRegisterName;
try
{
fwOpenPorts.Add(fwOpenPort);
}
catch
{
return(FwErrorCode.FwErrAddToCollection);
}
}
else
{
return(FwErrorCode.FwErrSamePortExist);
}
return(FwErrorCode.FwNoerror);
}
public FwErrorCode AddApplication(string strProcessImageFileName, string strRegisterName)
{
if (_mFirewallProfile == null)
{
return(FwErrorCode.FwErrInitialized);
}
if (strProcessImageFileName.Length == 0 || strRegisterName.Length == 0)
{
return(FwErrorCode.FwErrInvalidArg);
}
// First of all, check the application is already authorized;
bool bAppEnable = true;
FwErrorCode nError = IsAppEnabled(strProcessImageFileName, ref bAppEnable);
if (nError != FwErrorCode.FwNoerror)
{
return(nError);
}
// Only add the application if it isn't authorized
if (bAppEnable == false)
{
// Retrieve the authorized application collection
INetFwAuthorizedApplications fwApps = _mFirewallProfile.AuthorizedApplications;
if (fwApps == null)
{
return(FwErrorCode.FwErrAuthApplications);
}
// Create an instance of an authorized application
Type typeFwApp = Type.GetTypeFromCLSID(new Guid("{EC9846B3-2762-4A6B-A214-6ACB603462D2}"));
var fwApp = (INetFwAuthorizedApplication)Activator.CreateInstance(typeFwApp);
// Set the process image file name
fwApp.ProcessImageFileName = strProcessImageFileName;
fwApp.Name = strRegisterName;
try
{
fwApps.Add(fwApp);
}
catch
{
return(FwErrorCode.FwErrAddToCollection);
}
}
return(FwErrorCode.FwNoerror);
}
public FwErrorCode RemoveApplication(string strProcessImageFileName)
{
if (_mFirewallProfile == null)
{
return(FwErrorCode.FwErrInitialized);
}
if (strProcessImageFileName.Length == 0)
{
return(FwErrorCode.FwErrInvalidArg);
}
bool bAppEnable = true;
FwErrorCode nError = IsAppEnabled(strProcessImageFileName, ref bAppEnable);
if (nError != FwErrorCode.FwNoerror)
{
return(nError);
}
// Only remove the application if it is authorized
if (bAppEnable)
{
// Retrieve the authorized application collection
INetFwAuthorizedApplications fwApps = _mFirewallProfile.AuthorizedApplications;
if (fwApps == null)
{
return(FwErrorCode.FwErrAuthApplications);
}
try
{
fwApps.Remove(strProcessImageFileName);
}
catch
{
return(FwErrorCode.FwErrRemoveFromCollection);
}
}
return(FwErrorCode.FwNoerror);
}
public FwErrorCode TurnOnWindowsFirewall()
{
if (_mFirewallProfile == null)
{
return(FwErrorCode.FwErrInitialized);
}
// Check whether the firewall is off
FwErrorCode ret = IsWindowsFirewallOn(out bool bFwOn);
if (ret != FwErrorCode.FwNoerror)
{
return(ret);
}
// If it is off now, turn it on
if (!bFwOn)
{
_mFirewallProfile.FirewallEnabled = true;
}
return(FwErrorCode.FwNoerror);
}
public FwErrorCode RemovePort(int nPortNumber, NET_FW_IP_PROTOCOL_ ipProtocol)
{
if (_mFirewallProfile == null)
{
return(FwErrorCode.FwErrInitialized);
}
bool bEnablePort = false;
FwErrorCode nError = IsPortEnabled(nPortNumber, ipProtocol, ref bEnablePort);
if (nError != FwErrorCode.FwNoerror)
{
return(nError);
}
// Only remove the port, if it is on the collection
if (bEnablePort)
{
// Retrieve the collection of globally open ports
INetFwOpenPorts fwOpenPorts = _mFirewallProfile.GloballyOpenPorts;
if (fwOpenPorts == null)
{
return(FwErrorCode.FwErrGlobalOpenPorts);
}
try
{
fwOpenPorts.Remove(nPortNumber, ipProtocol);
}
catch
{
return(FwErrorCode.FwErrRemoveFromCollection);
}
}
return(FwErrorCode.FwNoerror);
}
