private void Calculate()
{
IsCalculationRunning = true;
IPNetwork subnet1 = IPNetwork.Parse(Subnet1);
IPNetwork subnet2 = IPNetwork.Parse(Subnet2);
IPNetwork subnet = subnet1.Supernet(subnet2);
NetworkAddress = subnet.Network;
Broadcast = subnet.Broadcast;
Subnetmask = subnet.Netmask;
CIDR = subnet.Cidr;
IPAddresses = subnet.Total;
FirstIPAddress = subnet.FirstUsable;
LastIPAddress = subnet.LastUsable;
Hosts = subnet.Usable;
IsResultVisible = true;
AddSubnet1ToHistory(Subnet1);
AddSubnet2ToHistory(Subnet2);
IsCalculationRunning = false;
}
/*
* 2020-07-23 14:58:26 Routes: 0.0.0.0/0, 10.4.10.1/32, 10.4.10.4/30
* 2020-07-23 14:58:26 Routes excluded: 62.210.26.0/24, 192.168.1.173/24
* fe80:0:0:0:f660:e2ff:fef0:23ee/64
* 2020-07-23 14:58:26 VpnService routes installed: 0.0.0.0/3, 32.0.0.0/4,
* 48.0.0.0/5, 56.0.0.0/6, 60.0.0.0/7, 62.0.0.0/9, 62.128.0.0/10,
* 62.192.0.0/12, 62.208.0.0/15, 62.210.0.0/20, 62.210.16.0/21,
* 62.210.24.0/23, 62.210.27.0/24, 62.210.28.0/22, 62.210.32.0/19,
* 62.210.64.0/18, 62.210.128.0/17, 62.211.0.0/16, 62.212.0.0/14,
* 62.216.0.0/13, 62.224.0.0/11, 63.0.0.0/8, 64.0.0.0/2, 128.0.0.0/2,
* 192.0.0.0/9, 192.128.0.0/11, 192.160.0.0/13, 192.168.0.0/24,
* 192.168.2.0/23, 192.168.4.0/22, 192.168.8.0/21, 192.168.16.0/20,
* 192.168.32.0/19, 192.168.64.0/18, 192.168.128.0/17, 192.169.0.0/16,
* 192.170.0.0/15, 192.172.0.0/14, 192.176.0.0/12, 192.192.0.0/10,
* 193.0.0.0/8, 194.0.0.0/7,
* 196.0.0.0/6, 200.0.0.0/5, 208.0.0.0/4, 224.0.0.0/3*/
static void Main(string[] args)
{
var excluded = new List <IPNetwork>();
var exclude1 = IPNetwork.Parse("62.210.26.0/24");
var exclude2 = IPNetwork.Parse("192.168.1.173/24");
excluded.Add(exclude1);
excluded.Add(exclude2);
excluded.Add(IPNetwork.Parse("224.0.0.0/3"));
var actualNet = new List <IPNetwork>()
{
IPNetwork.Parse("0.0.0.0/0")
};
var newRoutes = new List <IPNetwork>();
var removed = new List <IPNetwork>();
foreach (var route in excluded)
{
newRoutes.Clear();
removed.Clear();
foreach (var main in actualNet)
{
if (main.Overlap(route) == false)
{
continue;
}
removed.Add(main);
RecursiveAdd(main, route, newRoutes);
//var current = main;
//while (current.Cidr < 32)
//{
// if (route.Contains(current))
// break;
// var splitted = Split(current);
// var firstOverLap = route.Overlap(splitted[0]);
// var secondOverlap = route.Overlap(splitted[1]);
// if (firstOverLap && secondOverlap)
// {
// break;
// }
// else if (firstOverLap)
// {
// current = splitted[0];
// newRoutes.Add(splitted[1]);
// }
// else if (secondOverlap)
// {
// current = splitted[1];
// newRoutes.Add(splitted[0]);
// }
//}
}
var allNew = string.Join(",", newRoutes.Select(x => x.Network));
var allRemoved = string.Join(",", removed.Select(x => x.Network));
Console.WriteLine($"New {allNew}");
Console.WriteLine($"Removed {allRemoved}");
removed.ForEach(x => actualNet.Remove(x));
actualNet.AddRange(newRoutes);
}
var all = IPNetwork.Supernet(actualNet.ToArray());
var stringLinst = new List <string>();
foreach (var dt in all)
{
var m = $"{dt.Network}/{dt.Cidr}";
stringLinst.Add(m);
Console.WriteLine(m);
}
foreach (var item in stringLinst)
{
if (!target.Contains(item))
{
Console.WriteLine("Error List: " + item);
}
}
foreach (var item in target)
{
if (!stringLinst.Contains(item))
{
Console.WriteLine("Error Target: " + item);
}
}
Console.ReadLine();
}
static void Main(string[] args)
{
if (args.Length != 1 || inputDirectory(args) != true)
{
helpRequested();
}
try
{
DirectoryInfo diTop = new DirectoryInfo(args[0]);
List <string> strSubnets = new List <string>();
foreach (FileInfo fi in diTop.EnumerateFiles("*ipranges*"))
{
foreach (string line in File.ReadLines(fi.FullName))
{
if (line.Contains(":") || line.Contains("/"))
{
strSubnets.Add(line);
}
}
}
int numSubnets = strSubnets.Count;
IPNetwork[] ipSubnets = new IPNetwork[numSubnets];
StreamWriter fs = new StreamWriter(args[0] + "/summarizedSubnets.txt");
for (int i = 0; i < numSubnets; i++)
{
ipSubnets[i] = IPNetwork.Parse(strSubnets[i]);
}
IPNetwork[] summIPNetworks = IPNetwork.Supernet(ipSubnets);
foreach (IPNetwork item in summIPNetworks)
{
fs.WriteLine(item.ToString());
}
Console.WriteLine();
Console.WriteLine($"Aggregate Number of Subnets: {strSubnets.Count}");
Console.WriteLine($"Summarized Subnets: {summIPNetworks.Length}");
Console.WriteLine();
Console.WriteLine($"Output file: {args[0] + "/summarizedSubnets.txt"}");
Console.WriteLine();
fs.Close();
}
catch (System.ArgumentNullException ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine("Please verify file subnets are in proper CIDR notation format with netmasks: '192.168.1.0/24'");
}
catch (System.ArgumentException ex) {
Console.WriteLine(ex.Message);
Console.WriteLine("Please verify subnet ID within input files utilizes proper CIDR notation format: '192.168.1.0/24'");
}
catch (Exception ex) {
Console.WriteLine(ex.Message);
Console.WriteLine("There is a disturbance in the force. Please double check your input files and review usuage guidance by running 'summSub -h'. Proper format per line per file: '192.168.1.0/24'");
}
void helpRequested()
{
Console.WriteLine();
Console.WriteLine("Summarize Subnets - summSub usage:");
Console.WriteLine();
Console.WriteLine("What does summSub do: summSub will aggregate all subnets found within any files found within the");
Console.WriteLine("provided input directory and summarize them. For example if a file contains:");
Console.WriteLine();
Console.WriteLine("192.168.2.0/24");
Console.WriteLine("192.168.3.0/24");
Console.WriteLine();
Console.WriteLine("Then summSub will output a file called 'summarizedSubnets.txt' that contains a single entry:");
Console.WriteLine();
Console.WriteLine("192.168.2.0/23");
Console.WriteLine();
Console.WriteLine("The new subnet can then be used for both security and routing decisions");
Console.WriteLine();
Console.WriteLine("Use of summSub requires the input directory of the files containing the subnets to be summarized");
Console.WriteLine("supplied as an argument when launching the command as follows:");
Console.WriteLine();
Console.WriteLine("- To parse files in the current working directory, simple use a period: 'summSub .'");
Console.WriteLine("- To parse files in a specific directory, simply supply the directory path: 'summSub C:\\subnets\\input'");
Console.WriteLine();
Console.WriteLine("Notes: summSub will parse all files in the input directory with a file name that includes the phrase 'ipranges'");
Console.WriteLine("and will exclude all lines which do not contain a ':' or a '/'. summSub should work for both ipv4 and");
Console.WriteLine("ipv6 summariazation efforts.");
Console.WriteLine();
System.Environment.Exit(0);
}
bool inputDirectory(string[] inDir)
{
if (inDir[0] == ".")
{
args[0] = Environment.CurrentDirectory;
return(true);
}
else
{
inDir[0] = inDir[0].Replace('\\', '/');
inDir[0] = inDir[0].Replace("\"", "");
int inDirCheck = inDir[0].IndexOf(".");
if (inDirCheck != -1)
{
string dirPath = Path.Combine(Environment.CurrentDirectory, inDir[0]);
inDir[0] = (Path.GetFullPath(dirPath));
}
if (Directory.Exists(inDir[0]) == true)
{
return(true);
}
else
{
return(false);
}
}
}
}
static void Main(string[] args)
{
Dictionary <string, string> AreaBlack = new Dictionary <string, string>();
Dictionary <string, string> AreaWhite = new Dictionary <string, string>();
AreaBlack.Add("1814991", "CN");
//AreaWhite.Add("1668284", "TW");
//AreaWhite.Add("1819730", "HK");
//AreaWhite.Add("1835841", "KR");
//AreaWhite.Add("1861060", "JP");
//AreaWhite.Add("1880251", "SG");
//AreaWhite.Add("2017370", "RU");
//AreaWhite.Add("2077456", "AU");
//AreaWhite.Add("2635167", "GB");
//AreaWhite.Add("2921044", "DE");
//AreaWhite.Add("3017382", "FR");
//AreaWhite.Add("6251999", "CA");
//AreaWhite.Add("6252001", "US");
//AreaWhite.Add("6255147", "Asia");
//AreaWhite.Add("6255148", "Euro");
List <IPNetwork> Routes = new List <IPNetwork>();
WebClient client = new WebClient();
var URLAddress = "https://geolite.maxmind.com/download/geoip/database/GeoLite2-Country-CSV.zip";
Stream DatabaseFile = client.OpenRead(URLAddress);
ZipInputStream DatabaseStream = new ZipInputStream(DatabaseFile);
ZipEntry zipEntry = DatabaseStream.GetNextEntry();
while (zipEntry != null)
{
String entryFileName = zipEntry.Name;
if (entryFileName.Length == 0)
{
zipEntry = DatabaseStream.GetNextEntry();
continue;
}
if (!entryFileName.Contains(".csv"))
{
zipEntry = DatabaseStream.GetNextEntry();
continue;
}
if (!entryFileName.Contains("Blocks"))
{
zipEntry = DatabaseStream.GetNextEntry();
continue;
}
MemoryStream memStream = new MemoryStream();
DatabaseStream.CopyTo(memStream);
var result = System.Text.Encoding.UTF8.GetString(memStream.ToArray()).Split('\n');
foreach (var line in result)
{
if (line == "")
{
continue;
}
var thisline = line.Split(',');
if (AreaBlack.ContainsKey(thisline[1]))
{
continue;
}
if (AreaBlack.ContainsKey(thisline[2]))
{
continue;
}
//if (!AreaWhite.ContainsKey(thisline[1]))
//{
// continue;
//}
//if (!AreaWhite.ContainsKey(thisline[2]))
//{
// continue;
//}
if (!thisline[0].Contains("/"))
{
continue;
}
IPNetwork thisNetwork = IPNetwork.Parse(thisline[0]);
Routes.Add(thisNetwork);
}
zipEntry = DatabaseStream.GetNextEntry();
}
String APNICURLAddress = "http://ftp.apnic.net/apnic/stats/apnic/delegated-apnic-latest";
Stream APNICDatabaseFile = client.OpenRead(APNICURLAddress);
MemoryStream APNICFileStream = new MemoryStream();
APNICDatabaseFile.CopyTo(APNICFileStream);
var APNICData = System.Text.Encoding.UTF8.GetString(APNICFileStream.ToArray()).Split('\n');
foreach (var line in APNICData)
{
if (line == "")
{
continue;
}
if (!line.Contains("|"))
{
continue;
}
if (line.Contains("asn"))
{
continue;
}
var thisline = line.Split('|');
if (thisline[1].Contains("CN"))
{
continue;
}
if (thisline[2].Contains("v4"))
{
IPNetwork thisNetwork = IPNetwork.Parse(thisline[3] + "/" + (32 - Math.Round(Math.Log(2, System.Convert.ToDouble(thisline[4])))).ToString());
Routes.Add(thisNetwork);
}
else
{
IPNetwork thisNetwork = IPNetwork.Parse(thisline[3] + "/" + thisline[4]);
Routes.Add(thisNetwork);
}
}
IPNetwork[] Source = Routes.ToArray();
IPNetwork[] SuperNetResult = IPNetwork.Supernet(Source);
while (true)
{
Source = SuperNetResult;
SuperNetResult = IPNetwork.Supernet(Source);
if (Source.Length == SuperNetResult.Length)
{
if (Enumerable.SequenceEqual(Source, SuperNetResult))
{
break;
}
}
}
foreach (var net in SuperNetResult)
{
Console.WriteLine(net.ToString());
}
Console.WriteLine(Routes.Count);
Console.WriteLine(SuperNetResult.Length);
Console.WriteLine();
}
