private void StartNetifInformation(NetifConfiguration configuration)
{
byte[] dhcp = { 10, 0, 0, 0, 10, 0, 0, 1, 255, 255, 255, 0, 0, 1, 81, 128 };
byte[] ip = { 10, 0, 0, 1, 10, 0, 0, 0, 255, 255, 255, 0 };
byte[] dns = { 6, 8, 8, 8, 8, 8, 4, 4, 4, 4 };
byte[] status = { 1, 0, 0, 0 };
fixed(byte *pinned = dhcp)
{
DhcpNetifInfo *info = (DhcpNetifInfo *)pinned;
info->ip = BitConverter.ToUInt32(configuration.Address.GetAddressBytes(), 0);
info->gateway = BitConverter.ToUInt32(configuration.GatewayAddress.GetAddressBytes(), 0);
info->netmask = BitConverter.ToUInt32(configuration.SubnetMask.GetAddressBytes(), 0);
}
fixed(byte *pinned = ip)
{
IpNetifInfo *info = (IpNetifInfo *)pinned;
info->address = BitConverter.ToUInt32(configuration.Address.GetAddressBytes(), 0);
info->gateway = BitConverter.ToUInt32(configuration.GatewayAddress.GetAddressBytes(), 0);
info->subnetmask = BitConverter.ToUInt32(configuration.SubnetMask.GetAddressBytes(), 0);
}
fixed(byte *pinned = dns)
{
DnsNetifInfo *info = (DnsNetifInfo *)pinned;
info->dns1 = BitConverter.ToUInt32(configuration.DnsAddress1.GetAddressBytes(), 0);
info->dns2 = BitConverter.ToUInt32(configuration.DnsAddress2.GetAddressBytes(), 0);
}
DeviceIoControl(TAP_WIN_IOCTL_SET_MEDIA_STATUS, status); // netif-up
DeviceIoControl(TAP_WIN_IOCTL_CONFIG_DHCP_MASQ, dhcp); // DHCP
DeviceIoControl(TAP_WIN_IOCTL_CONFIG_DHCP_SET_OPT, dns); // DNS
DeviceIoControl(TAP_WIN_IOCTL_CONFIG_TUN, ip); // IP mode 1
string commands = $"netsh interface ip set address {this.Index} static {configuration.Address} {configuration.SubnetMask} ";
system(commands);
}
public virtual void Listen(NetifConfiguration configuration)
{
if (configuration == null)
{
throw new ArgumentNullException(nameof(configuration));
}
if (configuration.Address == null)
{
throw new ArgumentNullException("The network interface device address is not allowed to be null");
}
if (configuration.DnsAddress1 == null)
{
throw new ArgumentNullException("The network interface device dns address 1 is not allowed to be null");
}
if (configuration.DnsAddress2 == null)
{
throw new ArgumentNullException("The network interface device dns address 2 is not allowed to be null");
}
if (configuration.GatewayAddress == null)
{
throw new ArgumentNullException("The network interface device gateway address is not allowed to be null");
}
if (configuration.SubnetMask == null)
{
throw new ArgumentNullException("The network interface device subnet mask is not allowed to be null");
}
StartNetifInformation(configuration);
ListenNetifLevel3Input((buffer, length) =>
{
IPFrame ip = IPv4.Parse(new BufferSegment(new BufferSegment(buffer, length).ToArray()));
if (ip != null)
{
IPv4.Input(ip);
}
});
}
