/*
C# Network Programming
by Richard Blum
Publisher: Sybex
ISBN: 0782141765
*/
using System;
using Microsoft.Win32;
public class CardGrab
{
public static void Main()
{
RegistryKey start = Registry.LocalMachine;
RegistryKey cardServiceName, networkKey;
string networkcardKey = "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\NetworkCards";
string serviceKey = "SYSTEM\\CurrentControlSet\\Services\\";
string networkcardKeyName, deviceName, deviceServiceName, serviceName;
RegistryKey serviceNames = start.OpenSubKey(networkcardKey);
if (serviceNames == null)
{
Console.WriteLine("Bad registry key");
return;
}
string[] networkCards = serviceNames.GetSubKeyNames();
serviceNames.Close();
foreach(string keyName in networkCards)
{
networkcardKeyName = networkcardKey + "\\" + keyName;
cardServiceName = start.OpenSubKey(networkcardKeyName);
if (cardServiceName == null)
{
Console.WriteLine("Bad registry key: {0}", networkcardKeyName);
return;
}
deviceServiceName = (string)cardServiceName.GetValue("ServiceName");
deviceName = (string)cardServiceName.GetValue("Description");
Console.WriteLine("\nNetwork card: {0}", deviceName);
serviceName = serviceKey + deviceServiceName +
"\\Parameters\\Tcpip";
networkKey = start.OpenSubKey(serviceName);
if (networkKey == null)
{
Console.WriteLine(" No IP configuration set");
} else
{
string[] ipaddresses = (string[])networkKey.GetValue("IPAddress");
string[] defaultGateways = (string[])networkKey.GetValue("DefaultGateway");
string[] subnetmasks = (string[])networkKey.GetValue("SubnetMask");
foreach(string ipaddress in ipaddresses)
{
Console.WriteLine(" IP Address: {0}", ipaddress);
}
foreach(string subnetmask in subnetmasks)
{
Console.WriteLine(" Subnet Mask: {0}", subnetmask);
}
foreach(string defaultGateway in defaultGateways)
{
Console.WriteLine(" Gateway: {0}", defaultGateway);
}
networkKey.Close();
}
}
start.Close();
}
}
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