public bool IsEnabled(FirewallRuleDto rule)
{
var fwRule = ExtractFwRule(rule);
if (fwRule != null)
{
return(fwRule.Enabled);
}
throw DontExistOrSeveralFound(rule);
}
public async Task <CommandResult <FirewallRuleDto> > Put([FromBody] FirewallRuleDto firewallRule)
{
if (!ModelState.IsValid)
{
return(new CommandResult <FirewallRuleDto>()
{
IsSucceeded = false,
Message = "Validation problem. Check your values"
});
}
return(await _mediator.Send(new Update.Command()
{
FirewallRule = firewallRule
}));
}
public FirewallRuleDto CreateFirewallRule(CreateFirewallRuleDto rule)
{
var(parseOk, ips, proto, ports) = ParseRuleData(rule);
if (parseOk)
{
if (Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FWRule")) is INetFwRule3 fwRule)
{
fwRule.Name = rule.Name;
fwRule.Enabled = rule.CreateRuleEnabled;
fwRule.InterfaceTypes = "All";
fwRule.Action = NET_FW_ACTION_.NET_FW_ACTION_ALLOW;
fwRule.Direction = (NET_FW_RULE_DIRECTION_)rule.Direction;
fwRule.Profiles = (int)rule.Profile;
if (!string.IsNullOrEmpty(ips))
{
fwRule.RemoteAddresses = ips;
}
if (proto != null)
{
fwRule.Protocol = proto.Value;
fwRule.RemotePorts = ports;
}
if (!string.IsNullOrEmpty(rule.ProgramPath))
{
fwRule.ApplicationName = rule.ProgramPath;
}
firewallPolicy.Rules.Add(fwRule);
var firewallRuleDto = new FirewallRuleDto
{
FwRule = fwRule,
Profile = rule.Profile,
Direction = rule.Direction,
Name = rule.Name,
ProgramPath = rule.ProgramPath
};
UpdateRulesGroup(rule.Profile, rule.Direction, firewallRuleDto);
return(firewallRuleDto);
}
}
return(null);
}
private INetFwRule3 ExtractFwRule(FirewallRuleDto rule)
{
if (rule != null)
{
if (rule.FwRule != null)
{
return(rule.FwRule);
}
if (TryGetRules(rule.Name, rule.Profile, rule.Direction, out var rules) && rules.Count() == 1)
{
return(rules.Single().FwRule);
}
}
return(null);
}
private RuleControl ProcessRule(RuleDto rule, List <RuleDto> removeRules, RuleControl prev)
{
var matchingFwRules = firewallService.GetMatchingRules(rule.Name, rule.Profile, rule.Direction);
var matchingFwRulesCount = matchingFwRules.Count();
if (matchingFwRulesCount == 0)
{
DeleteRule(rule, removeRules);
}
else
{
FirewallRuleDto fwRule = null;
if (matchingFwRulesCount > 1)
{
using (var selectRule = new SelectRuleForm(rule, matchingFwRules))
{
if (selectRule.ShowDialog() == DialogResult.OK)
{
fwRule = selectRule.SelectedRule;
}
}
}
else
{
fwRule = matchingFwRules.Single();
}
if (fwRule == null)
{
DeleteRule(rule, removeRules);
}
else
{
var ruleControl = prev == null
? new RuleControl(rule, fwRule, FIRST_RULE_LOCATION, firewallService)
: new RuleControl(rule, fwRule, prev, firewallService);
return(ruleControl);
}
}
return(null);
}
private RuleControl(
RuleDto rule, FirewallRuleDto firewallRuleDto,
RuleControl previous, Point?location,
IFirewallService firewallService)
{
if (previous == null && location == null)
{
throw new ArgumentNullException(
$"{nameof(previous)},{nameof(location)}");
}
InitializeComponent();
Previous = previous;
Rule = rule;
this.firewallRuleDto = firewallRuleDto;
this.firewallService = firewallService;
MyInitializeComponent(location);
}
public async Task <IActionResult> Update(FirewallRuleDto model)
{
if (!ModelState.IsValid)
{
return(View(model));
}
var result = await _mediator.Send(new Update.Command()
{
FirewallRule = model
});
if (!result.IsSucceeded)
{
return(View(model));
}
Alert(AlertTypes.Success, "Firewall Rule successfully updated!");
return(RedirectToAction(nameof(Index), new { id = model.TargetId }));
}
public RuleControl(
RuleDto rule, FirewallRuleDto firewallRuleDto,
Point location, IFirewallService firewallService)
: this(rule, firewallRuleDto, null, location, firewallService)
{
}
public RuleControl(
RuleDto rule, FirewallRuleDto firewallRuleDto,
RuleControl previous, IFirewallService firewallService)
: this(rule, firewallRuleDto, previous, null, firewallService)
{
}
private void UpdateRulesGroup(ProfileDto profile, RuleDirectionDto direction, FirewallRuleDto firewallRuleDto)
{
Group group = null;
foreach (var g in groupedRules)
{
if (g.Profile == profile && g.Direction == direction)
{
group = g; break;
}
}
group = group ?? new Group
{
Direction = direction,
Profile = profile,
Rules = Enumerable.Empty <FirewallRuleDto>()
};
group.Rules = group.Rules
.Concat(new[] { firewallRuleDto })
.OrderBy(r => r.Name);
}
private static InvalidOperationException DontExistOrSeveralFound(FirewallRuleDto rule)
{
return(new InvalidOperationException("Rule " + rule?.Name + " doesn't exists."));
}