public static bool isIPXE(this DHCPMessage message)
{
try
{
return(message.Options
.Where(x => x.OptionType == (TDHCPOption)77)
.Cast <DHCPOptionGeneric>()
.Select(x => Encoding.ASCII.GetString(x.Data))
.Any(x => x.Equals("iPXE", StringComparison.InvariantCultureIgnoreCase)));
}
catch { return(false); }
}
public static byte GetArch(this DHCPMessage message)
{
try
{
return(message.Options
.Where(x => x.OptionType == TDHCPOption.ClientSystemArchitectureType)
.Cast <DHCPOptionGeneric>()
.Select(x => x.Data[1])
.First());
}
catch { return(0); }
}
public static string GetVendorClass(this DHCPMessage message)
{
var sb = new StringBuilder();
var strings = message.Options
.Where(x => x.OptionType == TDHCPOption.VendorClassIdentifier)
.Cast <DHCPOptionVendorClassIdentifier>()
.Select(x => Encoding.ASCII.GetString(x.Data));
try
{
foreach (var s in strings)
{
sb.AppendLine(s);
}
}
catch { }
return(sb.ToString());
}
public static bool isPXE(this DHCPMessage message) => GetVendorClass(message).Contains("PXEClient");
public static bool isHTTP(this DHCPMessage message) => GetVendorClass(message).Contains("HTTPClient");