private static bool filterListsContains(IPsec.FilterList[] filterLists, string name)
{
foreach (IPsec.FilterList filterList in filterLists)
if (filterList.name == name)
return true;
return false;
}
private static bool filterActionsContains(IPsec.FilterAction[] filterActions, string name)
{
foreach (IPsec.FilterAction filterAction in filterActions)
if (filterAction.name == name)
return true;
return false;
}
public void reloadFilterPolicy()
{
IPsec.FilterPolicy[] filterPolicies = IPsec.getFilterPolicies();
if (!filterPoliciesContains(filterPolicies, "ddosMitigationPolicy"))
{
IPsec.addFilterPolicy(ddosMitigationFilterList, "ddosMitigationPolicy", "Filter policy used by ddosMitigator");
}
ddosMitigationFilterPolicy = IPsec.getFilterPolicy("ddosMitigationPolicy");
}
public void reloadFilterAction()
{
IPsec.FilterAction[] filterActions = IPsec.getFilterActions();
if (!filterActionsContains(filterActions, "ddosMitigationBlock"))
{
IPsec.addAction("ddosMitigationBlock", "block", "IP Filter List used by ddosMitigator");
}
ddosMitigationFilterAction = IPsec.getFilterAction("ddosMitigationBlock");
}
public void reloadFilterList()
{
IPsec.FilterList[] filterLists = IPsec.getFilterLists();
if (!filterListsContains(filterLists, "ddosMitigationList"))
{
IPsec.addFilterList("ddosMitigationList", "IP Filter List used by ddosMitigator");
}
ddosMitigationFilterList = IPsec.getFilterList("ddosMitigationList");
}
public static FilterPolicy getFilterPolicy(string name)
{
FilterPolicy[] filterPolicies = IPsec.getFilterPolicies();
foreach (FilterPolicy filterPolicy in filterPolicies)
{
if (filterPolicy.name == name)
{
return(filterPolicy);
}
}
return(new FilterPolicy());
}
public static FilterAction getFilterAction(string name)
{
FilterAction[] filterActions = IPsec.getFilterActions();
foreach (FilterAction filterAction in filterActions)
{
if (filterAction.name == name)
{
return(filterAction);
}
}
return(new FilterAction());
}
public static FilterList getFilterList(string name)
{
FilterList[] filterLists = IPsec.getFilterLists();
foreach (FilterList filterList in filterLists)
{
if (filterList.name == name)
{
return(filterList);
}
}
return(new FilterList());
}
public void init()
{
reloadFilterList();
reloadFilterAction();
reloadFilterPolicy();
if (ddosMitigationFilterPolicy.rules == 1)
{
IPsec.addFilter(ddosMitigationFilterList, "1.1.1.1");
IPsec.addFilterRule("ddosMitigationRule", ddosMitigationFilterPolicy, ddosMitigationFilterList, ddosMitigationFilterAction);
}
}
private static bool filtersContains(IPsec.Filter[] filters, IPAddress address)
{
foreach (IPsec.Filter filter in filters)
if (filter.address.ToString() == address.ToString())
return true;
return false;
}
private static bool filterRulesContains(IPsec.FilterRule[] filterRules, bool enabled)
{
foreach (IPsec.FilterRule filterRule in filterRules)
if (filterRule.enabled == enabled)
return true;
return false;
}
private static bool filterPoliciesContains(IPsec.FilterPolicy[] filterPolicies, string name)
{
foreach (IPsec.FilterPolicy filterPolicy in filterPolicies)
if (filterPolicy.name == name)
return true;
return false;
}