public IEnumerable <(string ipAddress, string fqdn)> ExpandScope(string scopeText, bool doNotExpandNamesToIPs)
{
scopeText = scopeText ?? throw new ArgumentNullException(nameof(scopeText));
scopeText = scopeText.Replace(" ", string.Empty);
scopeText = scopeText.Replace("\t", string.Empty);
var lines = scopeText.Split(",;\r\n".ToCharArray());
var scope = new HashSet <(string ipAddress, string fqdn)>();
foreach (var line in lines)
{
if (!string.IsNullOrWhiteSpace(line))
{
if (line.Contains("/") && IPNetwork.TryParse(line, out var ipNetwork))
{
using (var ipAddresses = ipNetwork.ListIPAddress())
{
foreach (var ipAddress in ipAddresses)
{
if (ipAddress.AddressFamily == AddressFamily.InterNetwork && (ipAddress.Equals(ipNetwork.Network) || ipAddress.Equals(ipNetwork.Broadcast)))
{
continue;
}
scope.Add((ipAddress.ToString(), ipAddress.AddressFamily == AddressFamily.InterNetworkV6 ? $"{ipAddress.ToString().Replace(':', '-')}.ipv6-literal.net" : string.Empty));
}
}
}
else if (IPAddress.TryParse(line, out var ipAddress))
{
scope.Add((ipAddress.ToString(), ipAddress.AddressFamily == AddressFamily.InterNetworkV6 ? $"{ipAddress.ToString().Replace(':', '-')}.ipv6-literal.net" : string.Empty));
}
else
{
if (doNotExpandNamesToIPs)
{
scope.Add((string.Empty, line));
}
else if (_dnsUtilitiesService.TryResolveHost(line, out var ipAddresses))
{
foreach (var address in ipAddresses)
{
scope.Add((address.ToString(), address.AddressFamily == AddressFamily.InterNetworkV6 ? $"{address.ToString().Replace(':', '-')}.ipv6-literal.net" : string.Empty));
}
}
}
}
}
return(scope);
}
public IEnumerable <IPAddress> ExpandScopeToIPAddresses(string scope)
{
scope = scope ?? throw new ArgumentNullException(nameof(scope));
scope = scope.Replace(" ", string.Empty);
scope = scope.Replace("\t", string.Empty);
var lines = scope.Split(",;\r\n".ToCharArray());
var scopeIPAddresses = new HashSet <IPAddress>();
foreach (var line in lines)
{
if (!string.IsNullOrWhiteSpace(line))
{
if (line.Contains("/") && IPNetwork.TryParse(line, out var ipNetwork))
{
using (var ipAddresses = ipNetwork.ListIPAddress())
{
foreach (var ipAddress in ipAddresses)
{
if (ipAddress.AddressFamily == AddressFamily.InterNetwork && (ipAddress.Equals(ipNetwork.Network) || ipAddress.Equals(ipNetwork.Broadcast)))
{
continue;
}
scopeIPAddresses.Add(ipAddress);
}
}
}
else if (IPAddress.TryParse(line, out var ipAddress))
{
scopeIPAddresses.Add(ipAddress);
}
else if (_dnsUtilitiesService.TryResolveHost(line, out var ipAddresses))
{
foreach (var address in ipAddresses)
{
scopeIPAddresses.Add(address);
}
}
}
}
return(scopeIPAddresses);
}
