/// <summary>
/// Retrieves the MAC addresses using the (old) Win32_NetworkAdapter WMI class.
/// </summary>
/// <returns>A list of MAC addresses.</returns>
internal List <string> GetMacAddressesUsingWmi()
{
var values = new List <string>();
var adapters = WmiHelper.GetWMIInstances(@"root\cimv2", "Win32_NetworkAdapter", new string[] { "MACAddress", "PhysicalAdapter" });
foreach (var adapter in adapters)
{
try
{
var isPhysical = Boolean.Parse(adapter["PhysicalAdapter"] as string);
if (_excludeNonPhysical && !isPhysical)
{
continue;
}
var macAddress = adapter["MACAddress"] as string;
if (!string.IsNullOrEmpty(macAddress))
{
values.Add(macAddress);
}
}
catch
{
}
}
return(values);
}
/// <summary>
/// Gets the component value.
/// </summary>
/// <returns>The component value.</returns>
public string GetValue()
{
try
{
var systemLogicalDiskDeviceId = Environment.GetFolderPath(Environment.SpecialFolder.System).Substring(0, 2);
var logicalDiskToPartition = Array.Find(WmiHelper.GetWMIInstances(@"root\cimv2", "Win32_LogicalDiskToPartition"), logicalDriveToPartition => (logicalDriveToPartition["Dependent"] as IDictionary <string, object>)["DeviceID"] as string == systemLogicalDiskDeviceId);
var partition = Array.Find(WmiHelper.GetWMIInstances(@"root\cimv2", "Win32_DiskDriveToDiskPartition"), partition => (partition["Dependent"] as IDictionary <string, object>)["DeviceID"] as string == (logicalDiskToPartition["Antecedent"] as IDictionary <string, object>)["DeviceID"] as string);
var diskdrive = Array.Find(WmiHelper.GetWMIInstances(@"root\cimv2", "Win32_DiskDrive "), diskDriveToPartition => diskDriveToPartition["DeviceID"] as string == (partition["Antecedent"] as IDictionary <string, object>)["DeviceID"] as string);
return(diskdrive["SerialNumber"] as string);
}
catch (Exception e)
{
throw new DeviceIdComponentFailedToObtainValueException("Failed to GetValue() in SystemDriveSerialNumberDeviceIdComponent", e);
}
}
/// <summary>
/// Retrieves the MAC addresses using the CIMv2 based MSFT_NetAdapter interface (Windows 8 and up).
/// </summary>
/// <returns>A list of MAC addresses.</returns>
internal List <string> GetMacAddressesUsingCimV2()
{
var values = new List <string>();
var adapters = WmiHelper.GetWMIInstances(@"root\StandardCimv2", "MSFT_NetAdapter", new string[] { "ConnectorPresent", "NdisPhysicalMedium", "PermanentAddress" });
foreach (var adapter in adapters)
{
try
{
var isPhysical = Boolean.Parse(adapter["ConnectorPresent"] as string);
var ndisMedium = UInt32.Parse(adapter["NdisPhysicalMedium"] as string);
// Skip non physcial adapters if instructed to do so.
if (_excludeNonPhysical && !isPhysical)
{
continue;
}
// Skip wireless adapters if instructed to do so.
if (_excludeWireless && ndisMedium == 9) // Native802_11
{
continue;
}
// Add the MAC address to the list of values.
var value = adapter["PermanentAddress"] as string;
if (value != null)
{
// Ensure the hardware addresses are formatted as MAC addresses if possible.
// This is a discrepancy between the MSFT_NetAdapter and Win32_NetworkAdapter interfaces.
value = FormatMacAddress(value);
values.Add(value);
}
}
catch
{
}
}
return(values);
}
/// <summary>
/// Gets the component value.
/// </summary>
/// <returns>The component value.</returns>
public string GetValue()
{
var values = new List <string>();
foreach (var obj in WmiHelper.GetWMIInstances(@"root\cimv2", _wmiClass))
{
try
{
values.Add(((IDictionary <string, object>)obj)[_wmiProperty].ToString());
}
catch
{
}
}
values.Sort();
return((values != null && values.Count > 0)
? string.Join(",", values.ToArray())
: null);
}