public FW_ERROR_CODE AddPort(int nPortNumber, NET_FW_IP_PROTOCOL_ ipProtocol, string strRegisterName)
{
if (m_FirewallProfile == null)
{
return(FW_ERROR_CODE.FW_ERR_INITIALIZED);
}
bool bEnablePort = true;
FW_ERROR_CODE nError = IsPortEnabled(nPortNumber, ipProtocol, ref bEnablePort);
if (nError != FW_ERROR_CODE.FW_NOERROR)
{
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 = m_FirewallProfile.GloballyOpenPorts;
if (FWOpenPorts == null)
{
return(FW_ERROR_CODE.FW_ERR_GLOBAL_OPEN_PORTS);
}
// Create an instance of an open port
Type typeFwPort = Type.GetTypeFromCLSID(new Guid("{0CA545C6-37AD-4A6C-BF92-9F7610067EF5}"));
var FWOpenPort = (INetFwOpenPort)Activator.CreateInstance(typeFwPort);
if (FWOpenPort == null)
{
return(FW_ERROR_CODE.FW_ERR_CREATE_PORT_INSTANCE);
}
// 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(FW_ERROR_CODE.FW_ERR_ADD_TO_COLLECTION);
}
}
else
{
return(FW_ERROR_CODE.FW_ERR_SAME_PORT_EXIST);
}
return(FW_ERROR_CODE.FW_NOERROR);
}
public FW_ERROR_CODE AddApplication(string strProcessImageFileName, string strRegisterName)
{
if (m_FirewallProfile == null)
{
return(FW_ERROR_CODE.FW_ERR_INITIALIZED);
}
if (strProcessImageFileName.Length == 0 || strRegisterName.Length == 0)
{
return(FW_ERROR_CODE.FW_ERR_INVALID_ARG);
}
// First of all, check the application is already authorized;
bool bAppEnable = true;
FW_ERROR_CODE nError = IsAppEnabled(strProcessImageFileName, ref bAppEnable);
if (nError != FW_ERROR_CODE.FW_NOERROR)
{
return(nError);
}
// Only add the application if it isn't authorized
if (bAppEnable == false)
{
// Retrieve the authorized application collection
INetFwAuthorizedApplications FWApps = m_FirewallProfile.AuthorizedApplications;
if (FWApps == null)
{
return(FW_ERROR_CODE.FW_ERR_AUTH_APPLICATIONS);
}
// Create an instance of an authorized application
Type typeFwApp = Type.GetTypeFromCLSID(new Guid("{EC9846B3-2762-4A6B-A214-6ACB603462D2}"));
var FWApp = (INetFwAuthorizedApplication)Activator.CreateInstance(typeFwApp);
if (FWApp == null)
{
return(FW_ERROR_CODE.FW_ERR_CREATE_APP_INSTANCE);
}
// Set the process image file name
FWApp.ProcessImageFileName = strProcessImageFileName;
FWApp.Name = strRegisterName;
try
{
FWApps.Add(FWApp);
}
catch
{
return(FW_ERROR_CODE.FW_ERR_ADD_TO_COLLECTION);
}
}
return(FW_ERROR_CODE.FW_NOERROR);
}
public FW_ERROR_CODE RemoveApplication(string strProcessImageFileName)
{
if (m_FirewallProfile == null)
{
return(FW_ERROR_CODE.FW_ERR_INITIALIZED);
}
if (strProcessImageFileName.Length == 0)
{
return(FW_ERROR_CODE.FW_ERR_INVALID_ARG);
}
bool bAppEnable = true;
FW_ERROR_CODE nError = IsAppEnabled(strProcessImageFileName, ref bAppEnable);
if (nError != FW_ERROR_CODE.FW_NOERROR)
{
return(nError);
}
// Only remove the application if it is authorized
if (bAppEnable)
{
// Retrieve the authorized application collection
INetFwAuthorizedApplications FWApps = m_FirewallProfile.AuthorizedApplications;
if (FWApps == null)
{
return(FW_ERROR_CODE.FW_ERR_AUTH_APPLICATIONS);
}
try
{
FWApps.Remove(strProcessImageFileName);
}
catch
{
return(FW_ERROR_CODE.FW_ERR_REMOVE_FROM_COLLECTION);
}
}
return(FW_ERROR_CODE.FW_NOERROR);
}
public FW_ERROR_CODE RemovePort(int nPortNumber, NET_FW_IP_PROTOCOL_ ipProtocol)
{
if (m_FirewallProfile == null)
{
return(FW_ERROR_CODE.FW_ERR_INITIALIZED);
}
bool bEnablePort = false;
FW_ERROR_CODE nError = IsPortEnabled(nPortNumber, ipProtocol, ref bEnablePort);
if (nError != FW_ERROR_CODE.FW_NOERROR)
{
return(nError);
}
// Only remove the port, if it is on the collection
if (bEnablePort)
{
// Retrieve the collection of globally open ports
INetFwOpenPorts FWOpenPorts = m_FirewallProfile.GloballyOpenPorts;
if (FWOpenPorts == null)
{
return(FW_ERROR_CODE.FW_ERR_GLOBAL_OPEN_PORTS);
}
try
{
FWOpenPorts.Remove(nPortNumber, ipProtocol);
}
catch
{
return(FW_ERROR_CODE.FW_ERR_REMOVE_FROM_COLLECTION);
}
}
return(FW_ERROR_CODE.FW_NOERROR);
}
public FW_ERROR_CODE TurnOffWindowsFirewall()
{
if (m_FirewallProfile == null)
{
return(FW_ERROR_CODE.FW_ERR_INITIALIZED);
}
// Check whether the firewall is off
bool bFWOn = false;
FW_ERROR_CODE ret = IsWindowsFirewallOn(ref bFWOn);
if (ret != FW_ERROR_CODE.FW_NOERROR)
{
return(ret);
}
// If it is on now, turn it off
if (bFWOn)
{
m_FirewallProfile.FirewallEnabled = false;
}
return(FW_ERROR_CODE.FW_NOERROR);
}
