private bool createAllowRule(CurrentConn activeConn, string[] services, bool isTemp)
{
int Profiles = _optionsView.IsCurrentProfileChecked ? FirewallHelper.GetCurrentProfile() : FirewallHelper.GetGlobalProfile();
FirewallHelper.CustomRule newRule = new FirewallHelper.CustomRule(activeConn.RuleName, activeConn.CurrentPath, _optionsView.IsAppChecked? activeConn.CurrentAppPkgId : null, activeConn.CurrentLocalUserOwner, services, _optionsView.IsProtocolChecked? activeConn.Protocol : -1, _optionsView.IsTargetIPChecked? activeConn.Target: null, _optionsView.IsTargetPortChecked? activeConn.TargetPort: null, _optionsView.IsLocalPortChecked? activeConn.LocalPort: null, Profiles, "A");
return(newRule.ApplyIndirect(isTemp));
}
private bool createBlockRule(CurrentConn activeConn, string[] services, bool isTemp)
{
bool success = false;
if (!isTemp)
{
if (Settings.Default.UseBlockRules)
{
int Profiles = _optionsView.IsCurrentProfileChecked ? FirewallHelper.GetCurrentProfile() : FirewallHelper.GetGlobalProfile();
FirewallHelper.CustomRule newRule = new FirewallHelper.CustomRule(activeConn.RuleName, activeConn.CurrentPath, _optionsView.IsAppChecked ? activeConn.CurrentAppPkgId : null, activeConn.CurrentLocalUserOwner, services, _optionsView.IsProtocolChecked ? activeConn.Protocol : -1, _optionsView.IsTargetIPChecked ? activeConn.Target : null, _optionsView.IsTargetPortChecked ? activeConn.TargetPort : null, _optionsView.IsLocalPortChecked ? activeConn.LocalPort : null, Profiles, "B");
success = newRule.ApplyIndirect(isTemp);
if (!success)
{
MessageBox.Show(Common.Properties.Resources.MSG_RULE_FAILED, Common.Properties.Resources.MSG_DLG_ERR_TITLE, MessageBoxButton.OK, MessageBoxImage.Error);
}
}
else
{
string entry = (!_optionsView.IsServiceRuleChecked || String.IsNullOrEmpty(activeConn.CurrentService) ? activeConn.CurrentPath : activeConn.CurrentService) +
(_optionsView.IsLocalPortChecked ? ";" + activeConn.LocalPort : ";") +
(_optionsView.IsTargetIPChecked ? ";" + activeConn.Target : ";") +
(_optionsView.IsTargetPortChecked ? ";" + activeConn.TargetPort : ";"); //FIXME: Need to add more?
using (StreamWriter sw = new StreamWriter(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "exclusions.set"), true))
{
sw.WriteLine(entry);
}
success = true;
}
}
return(success);
}
private bool createAllowRule(CurrentConn activeConn, string[] services, bool createWithAdvancedOptions, bool createTempRule, string ruleName)
{
int Profiles = OptionsView.IsCurrentProfileChecked ? FirewallHelper.GetCurrentProfile() : FirewallHelper.GetGlobalProfile();
string finalRuleName = createTempRule ? Messages.RULE_TEMP_PREFIX + ruleName : ruleName;
var newRule = new CustomRule(finalRuleName,
createWithAdvancedOptions || OptionsView.IsPathChecked ? activeConn.Path : null,
!createWithAdvancedOptions && OptionsView.IsAppChecked ? activeConn.CurrentAppPkgId : null,
activeConn.CurrentLocalUserOwner,
services,
!createWithAdvancedOptions && OptionsView.IsProtocolChecked ? activeConn.RawProtocol : -1,
!createWithAdvancedOptions && OptionsView.IsTargetIPChecked ? activeConn.TargetIP : null,
!createWithAdvancedOptions && OptionsView.IsTargetPortChecked ? activeConn.TargetPort : null,
!createWithAdvancedOptions && OptionsView.IsLocalPortChecked ? activeConn.SourcePort : null,
Profiles,
CustomRule.CustomRuleAction.Allow);
bool success = FirewallHelper.AddRule(newRule.GetPreparedRule(createTempRule)); // does not use RuleManager
if (success && createTempRule)
{
CreateTempRuleNotifyIcon(newRule);
}
return(success);
}
private bool createBlockRule(CurrentConn activeConn, string[] services, bool createWithAdvancedOptions, bool createTempRule, string ruleName)
{
bool success;
if (Settings.Default.UseBlockRules)
{
int Profiles = OptionsView.IsCurrentProfileChecked ? FirewallHelper.GetCurrentProfile() : FirewallHelper.GetGlobalProfile();
string finalRuleName = (createTempRule) ? Messages.RULE_TEMP_PREFIX + ruleName : ruleName;
var newRule = new CustomRule(finalRuleName,
createWithAdvancedOptions || OptionsView.IsPathChecked ? activeConn.Path : null,
!createWithAdvancedOptions && OptionsView.IsAppChecked ? activeConn.CurrentAppPkgId : null,
activeConn.CurrentLocalUserOwner,
services,
!createWithAdvancedOptions && OptionsView.IsProtocolChecked ? activeConn.RawProtocol : -1,
!createWithAdvancedOptions && OptionsView.IsTargetIPChecked ? activeConn.TargetIP : null,
!createWithAdvancedOptions && OptionsView.IsTargetPortChecked ? activeConn.TargetPort : null,
!createWithAdvancedOptions && OptionsView.IsLocalPortChecked ? activeConn.SourcePort : null,
Profiles,
CustomRule.CustomRuleAction.Block);
success = FirewallHelper.AddRule(newRule.GetPreparedRule(createTempRule)); // does not use RuleManager
if (success && createTempRule)
{
CreateTempRuleNotifyIcon(newRule);
}
if (!success)
{
MessageBox.Show(Messages.MSG_RULE_FAILED, Messages.MSG_DLG_ERR_TITLE, MessageBoxButton.OK, MessageBoxImage.Error);
}
}
else
{
// FIXME: Remove and always use Global Rules?
throw new ArgumentException("Only global block rules can be used - check options");
string entry = (!OptionsView.IsServiceRuleChecked || String.IsNullOrEmpty(activeConn.CurrentService) ? activeConn.Path : activeConn.CurrentService) +
(OptionsView.IsLocalPortChecked ? ";" + activeConn.SourcePort : ";") +
(OptionsView.IsTargetIPChecked ? ";" + activeConn.TargetIP : ";") +
(OptionsView.IsTargetPortChecked ? ";" + activeConn.TargetPort : ";"); //FIXME: Need to add more?
using (StreamWriter sw = new StreamWriter(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "exclusions.set"), true))
{
sw.WriteLine(entry);
}
success = true;
}
return(success);
}
private bool createAllowRule(CurrentConn activeConn, string[] services, bool isTemp)
{
int Profiles = OptionsView.IsCurrentProfileChecked ? FirewallHelper.GetCurrentProfile() : FirewallHelper.GetGlobalProfile();
string ruleName = isTemp ? Messages.RULE_TEMP_PREFIX + activeConn.RuleName : activeConn.RuleName;
CustomRule newRule = new CustomRule(ruleName, activeConn.CurrentPath, OptionsView.IsAppChecked ? activeConn.CurrentAppPkgId : null
, activeConn.CurrentLocalUserOwner, services, OptionsView.IsProtocolChecked ? activeConn.Protocol : -1, OptionsView.IsTargetIPChecked ? activeConn.Target : null
, OptionsView.IsTargetPortChecked ? activeConn.TargetPort : null, OptionsView.IsLocalPortChecked ? activeConn.LocalPort : null, Profiles
, CustomRule.CustomRuleAction.A);
bool success = FirewallHelper.AddRule(newRule.GetPreparedRule(isTemp)); // does not use RuleManager
if (success && isTemp)
{
CreateTempRuleNotifyIcon(newRule);
}
return(success);
}
public static void GetService(int pid, int threadid, string path, int protocol, int localport, string target, int remoteport, out string[] svc, out string[] svcdsc, out bool unsure)
{
// Try to lookup details about connection to localport.
//@wokhan: how is this supposed to work since connection is blocked by firewall??
LogHelper.Info("Trying to retrieve service name through connection information.");
var ret = IPHelper.GetOwner(pid, localport);
if (ret != null && !String.IsNullOrEmpty(ret.ModuleName))
{
// Returns the owner only if it's indeed a service.
string ServiceDesc = getServiceDesc(ret.ModuleName);
if (String.IsNullOrEmpty(ServiceDesc))
{
LogHelper.Debug("But no service description matches...");
svc = new string[0];
svcdsc = new string[0];
unsure = false;
}
else
{
svc = new[] { ret.ModuleName };
svcdsc = new[] { getServiceDesc(ret.ModuleName) };
unsure = false;
LogHelper.Debug("Identified service as: " + String.Join(",", svcdsc));
}
return;
}
// Try to retrieve the module name from the calling thread id.
LogHelper.Info("Trying to retrieve service name through thread information.");
if (threadid != 0)
{
Process p;
try
{
p = Process.GetProcessById(pid);
}
catch (ArgumentException)
{
p = null;
}
if (p != null)
{
var thread = p.Threads.Cast <ProcessThread>().SingleOrDefault(t => t.Id == threadid);
if (thread == null)
{
LogHelper.Debug("The thread " + threadid + " has not been found for PID " + pid);
}
else
{
var thaddr = thread.StartAddress.ToInt64();
var module = p.Modules.Cast <ProcessModule>().FirstOrDefault(m => thaddr >= (m.BaseAddress.ToInt64() + m.ModuleMemorySize));
if (module == null)
{
LogHelper.Debug("The thread has been found, but no module matches.");
}
else
{
LogHelper.Debug("The thread has been found for module " + module.ModuleName);
string ServiceDesc = getServiceDesc(module.ModuleName);
if (String.IsNullOrEmpty(ServiceDesc))
{
LogHelper.Debug("But no service description matches...");
svc = new string[0];
svcdsc = new string[0];
unsure = false;
}
else
{
svc = new[] { module.ModuleName };
svcdsc = new[] { ServiceDesc };
unsure = false;
LogHelper.Debug("Identified service as: " + String.Join(",", svcdsc));
}
return;
}
}
}
}
LogHelper.Info("Trying to retrieve service name through process information.");
string[] svcs = GetAllServices(pid);
//int protocol = (int)Enum.Parse(typeof(NET_FW_IP_PROTOCOL_), protocolStr);
if (svcs == null)
{
LogHelper.Debug("No services running in process " + pid.ToString() + " found!");
svc = new string[0];
svcdsc = new string[0];
unsure = false;
return;
}
//Only one service? Then we've probably found our guy!
if (svcs.Length == 1)
{
svc = svcs;
svcdsc = svcs.Select(s => getServiceDesc(s)).ToArray();
unsure = true;
LogHelper.Debug("Identified service as: " + String.Join(",", svcdsc));
return;
}
svc = new string[0];
// And if it still fails, fall backs to the most ugly way ever I am not able to get rid of :-P
// Retrieves corresponding existing rules
LogHelper.Info("Trying to retrieve service name through rule information.");
int profile = FirewallHelper.GetCurrentProfile();
var cRules = FirewallHelper.GetMatchingRules(path, getAppPkgId(pid), protocol, target, remoteport.ToString(), localport.ToString(), svc, getLocalUserOwner(pid), false, false)
.Select(r => r.ServiceName)
.Distinct()
.ToList();
// Trying to guess the corresponding service if not found with the previous method and if not already filtered
svcs = svcs.Except(cRules, StringComparer.CurrentCultureIgnoreCase)
.ToArray();
LogHelper.Debug("Excluding " + String.Join(",", cRules) + " // Remains " + String.Join(",", svcs));
if (svcs.Length > 0)
{
svc = svcs;
svcdsc = svcs.Select(s => getServiceDesc(s)).ToArray();
unsure = true;
LogHelper.Debug("Identified service as: " + String.Join(",", svcdsc) + " (unsure)");
}
else
{
svcdsc = new string[0];
unsure = false;
LogHelper.Debug("No service found!" + String.Join(",", svcdsc));
}
return;
}