/*
* private NetworkInterface findNetworkInterface()
* {
* NetworkInterface[] intfs = NetworkInterface.GetAllNetworkInterfaces();
* foreach (NetworkInterface intf in intfs)
* {
* //Util.log(string.Format("===== {0}:{1} =====", intf.Name, intf.NetworkInterfaceType));
*
* //bypass some interfaces
* if (intf.NetworkInterfaceType == NetworkInterfaceType.Loopback)
* {
* Util.log(string.Format("bypass loopback interface: {0}({1})", intf.Name, intf.Id));
* continue;
* }
* else if (intf.Name.StartsWith("VMware Network Adapter"))
* {
* Util.log(string.Format("bypass VMWare virtual interface: {0}({1})", intf.Name, intf.Id));
* continue;
* }
* else if (intf.OperationalStatus.Equals(OperationalStatus.Down))
* {
* Util.log(string.Format("bypass link down interface: {0}({1})", intf.Name, intf.Id));
* continue;
* } else if (Util.hasLinkLocalIp(intf))
* {
* Util.log(string.Format("bypass linklocal interface: {0}({1})", intf.Name, intf.Id));
* continue;
* }
*
* return intf;
* }
* return null;
* } */
/// <summary>Start the DHCP server.</summary>
public void start()
{
if (localAddress == null)
{
dhcpsvr = new DHCPServer();
sendNotify(DhcpNotify.NotifyType.CONTROL, "RTDhcpServer binds to 0.0.0.0");
}
else
{
dhcpsvr = new DHCPServer(localAddress);
sendNotify(DhcpNotify.NotifyType.CONTROL, String.Format("RTDhcpServer binds to {0}", localAddress.ToString()));
}
dhcpsvr.OnDiscover += discoverHandler;
dhcpsvr.OnRequest += requestHandler;
dhcpsvr.OnReleased += releaseHandler;
dhcpsvr.OnDecline += declineHandler;
dhcpsvr.OnInform += informHandler;
//dhcpsvr.SendDhcpAnswerNetworkInterface = intf;
dhcpsvr.BroadcastAddress = IPAddress.Broadcast;
dhcpsvr.Start();
state = STATE_RUNNING;
sendNotify(DhcpNotify.NotifyType.CONTROL, "RTDhcpServer is running.");
}
static void Main(string[] args)
{
var server = new DHCPServer();
server.ServerName = "SharpDHCPServer";
server.OnDataReceived += Request;
server.BroadcastAddress = IPAddress.Parse("192.168.1.255");
server.Start();
Console.WriteLine("Running DHCP server. Press enter to stop it.");
Console.ReadLine();
server.Dispose();
}
static void Main(string[] args)
{
var lst = NetworkInterface.GetAllNetworkInterfaces();
var eth0If = NetworkInterface.GetAllNetworkInterfaces().FirstOrDefault(x => x.Name == "USB_ETH");
var server = new DHCPServer();
server.ServerName = "SharpDHCPServer";
server.OnDataReceived += Request;
server.BroadcastAddress = IPAddress.Broadcast;
server.SendDhcpAnswerNetworkInterface = eth0If;
server.Start();
Console.WriteLine("Running DHCP server. Press enter to stop it.");
Console.ReadLine();
server.Dispose();
}
static void Main(string[] args)
{
var server = new DHCPServer();
server.OnDHCPDiscover += new DHCPServer.DHCPProcessDelegate(async(discovery, localEndPoint, remoteEndPoint) =>
{
return(await GenerateLease(discovery, localEndPoint, remoteEndPoint));
});
server.OnDHCPRequest += new DHCPServer.DHCPProcessDelegate(async(discovery, localEndPoint, remoteEndPoint) =>
{
return(await GenerateLease(discovery, localEndPoint, remoteEndPoint));
});
Task.Factory.StartNew(() => { server.Start(); });
Thread.Sleep(600000);
}
//Based on ClusterM's Sharp-DHCP-Server
//Credit and thanks goes to ClusterM, and jogibear9988
public void Run(IBackgroundTaskInstance taskInstance)
{
var server = new DHCPServer(new System.Net.IPAddress(new byte[] { 192, 168, 137, 1 }));
server.ServerName = "sharpDHCPWifiToEthernet";
server.BroadcastAddress = IPAddress.Broadcast.ToString();
BackgroundTaskDeferral deferral = taskInstance.GetDeferral();
taskInstance.Canceled += (o, e) => { server.Dispose(); deferral.Complete(); };
server.OnDataReceived += (sender, dhcpRequest) =>
{
try
{
var type = dhcpRequest.GetMsgType();
var ip = new System.Net.IPAddress(new byte[] { 192, 168, 137, 11 });
var replyOptions = new DHCPReplyOptions();
replyOptions.SubnetMask = IPAddress.Parse("255.255.255.0");
replyOptions.DomainName = server.ServerName;
replyOptions.ServerIdentifier = IPAddress.Parse("192.168.137.1");
replyOptions.RouterIP = IPAddress.Parse("192.168.137.1");
replyOptions.DomainNameServers = new IPAddress[]
{ IPAddress.Parse("8.8.8.8"), IPAddress.Parse("8.8.4.4") };
if (type == DHCPMsgType.DHCPDISCOVER)
{
dhcpRequest.SendDHCPReply(DHCPMsgType.DHCPOFFER, ip, replyOptions);
}
if (type == DHCPMsgType.DHCPREQUEST)
{
dhcpRequest.SendDHCPReply(DHCPMsgType.DHCPACK, ip, replyOptions);
}
}
catch
{
}
};
server.Start();
}
private void Resurrect(object state)
{
lock (m_Lock)
{
if (!m_Disposed)
{
try
{
m_Server = new DHCPServer(Program.GetClientInfoPath(m_Config.Name, m_Config.Address));
m_Server.EndPoint = new IPEndPoint(IPAddress.Parse(m_Config.Address), 67);
m_Server.SubnetMask = IPAddress.Parse(m_Config.NetMask);
m_Server.PoolStart = IPAddress.Parse(m_Config.PoolStart);
m_Server.PoolEnd = IPAddress.Parse(m_Config.PoolEnd);
m_Server.LeaseTime = (m_Config.LeaseTime > 0) ? TimeSpan.FromSeconds(m_Config.LeaseTime) : Utils.InfiniteTimeSpan;
m_Server.OfferExpirationTime = TimeSpan.FromSeconds(Math.Max(1, m_Config.OfferTime));
m_Server.MinimumPacketSize = m_Config.MinimumPacketSize;
List <OptionItem> options = new List <OptionItem>();
foreach (OptionConfiguration optionConfiguration in m_Config.Options)
{
options.Add(optionConfiguration.ConstructOptionItem());
}
m_Server.Options = options;
List <ReservationItem> reservations = new List <ReservationItem>();
foreach (ReservationConfiguration reservationConfiguration in m_Config.Reservations)
{
reservations.Add(reservationConfiguration.ConstructReservationItem());
}
m_Server.Reservations = reservations;
m_Server.OnStatusChange += server_OnStatusChange;
m_Server.OnTrace += server_OnTrace;
m_Server.Start();
}
catch (Exception)
{
CleanupAndRetry();
}
}
}
}
public static async void StartServer(string interfaceIp, string targetIp)
{
Console.WriteLine($"Looking for interface for IP {interfaceIp}");
var intf = NetworkInterface.GetAllNetworkInterfaces()
.Where(
x => x.GetIPProperties().UnicastAddresses
.Any(y => y.Address.Equals(IPAddress.Parse(interfaceIp)))
).FirstOrDefault();
if (intf == null)
{
Console.WriteLine($"Interface for IP {interfaceIp} not found!");
return;
}
Console.WriteLine($"Starting DHCP server on interface {intf.Name}");
var server = new DHCPServer();
if (targetIp == null)
{
var rnd = new Random();
var ip_bytes = interfaceIp.Split(".");
var lastByte = int.Parse(ip_bytes[3]);
int newByte = rnd.Next(2, 254);
while (newByte == lastByte)
{
newByte = rnd.Next(2, 254);
}
ip_bytes[3] = newByte.ToString();
targetIp = string.Join(".", ip_bytes);
}
Console.WriteLine($"Client will receive IP {targetIp}");
server.OnDataReceived += delegate(DHCPRequest dhcpRequest)
{
Request(dhcpRequest, IPAddress.Parse(targetIp), interfaceIp);
};
server.BroadcastAddress = IPAddress.Broadcast;
server.SendDhcpAnswerNetworkInterface = intf;
server.Start();
Console.WriteLine("Running DHCP server... Press CTRL-C to exit");
await LoadingIndicator();
}
private void Resurrect(object state)
{
lock (m_Lock)
{
if (!m_Disposed)
{
try
{
m_Server = DHCPServer.FromConfig(m_Config);
m_Server.OnStatusChange += server_OnStatusChange;
m_Server.OnTrace += server_OnTrace;
m_Server.Start();
}
catch (Exception)
{
CleanupAndRetry();
}
}
}
}
