Boa tarde a todos.
Estou montando uma rotina para obter os dados das maquinas conectadas ao TS2003.
Consigo obter os dados utilizando a seguinte rotina
[DllImport("iphlpapi.dll", ExactSpelling = true)]
static extern int SendARP(int DestIP, int SrcIP, byte[] pMacAddr, ref int PhyAddrLen);
[DllImport("Wtsapi32.dll")]
private static extern bool WTSQuerySessionInformation(System.IntPtr hServer, int sessionId,
WTS_INFO_CLASS wtsInfoClass, out System.IntPtr ppBuffer, out uint pBytesReturned);
/// <summary>
/// Remote Desktop Services API Enumeration Types
/// </summary>
enum WTS_INFO_CLASS
{
WTSInitialProgram,
WTSApplicationName,
WTSWorkingDirectory,
WTSOEMId,
WTSSessionId,
WTSUserName,
WTSWinStationName,
WTSDomainName,
WTSConnectState,
WTSClientBuildNumber,
WTSClientName,
WTSClientDirectory,
WTSClientProductId,
WTSClientHardwareId,
WTSClientAddress,
WTSClientDisplay,
WTSClientProtocolType
}
public string ClientMACAddress()
{
try
{ //gets name of user that is logged in
//WindowsPrincipal wp = new WindowsPrincipal(WindowsIdentity.GetCurrent());
//MessageBox.Show(wp.Identity.Name); // Username
System.Net.IPHostEntry host = new System.Net.IPHostEntry();
host = System.Net.Dns.GetHostEntry(GetTerminalServerClientNameWTSAPI());
IPAddress HostAddress=null;
//search for IPV4 ip addresses
foreach (IPAddress ip in host.AddressList)
{
if (ip.AddressFamily==System.Net.Sockets.AddressFamily.InterNetwork)
{
HostAddress=ip;
}
}
return GetMacAddress(HostAddress).ToString();
}
catch (Exception ex)
{
return ex.ToString();
}
}
/// <summary>
/// Gets the MAC address (<see cref="PhysicalAddress"/>) associated with the specified IP.
/// </summary>
/// <param name="ipAddress">The remote IP address.</param>
/// <returns>The remote machine's MAC address.</returns>
private static PhysicalAddress GetMacAddress(IPAddress ipAddress)
{
const int MacAddressLength = 6;
int length = MacAddressLength;
var macBytes = new byte[MacAddressLength];
SendARP(BitConverter.ToInt32(ipAddress.GetAddressBytes(), 0), 0, macBytes, ref length);
return new PhysicalAddress(macBytes);
}
private static string GetTerminalServerClientNameWTSAPI()
{
const int WTS_CURRENT_SERVER_HANDLE = -1;
IntPtr buffer = IntPtr.Zero;
uint bytesReturned;
string strReturnValue = "";
try
{
WTSQuerySessionInformation(IntPtr.Zero, WTS_CURRENT_SERVER_HANDLE,
WTS_INFO_CLASS.WTSClientName, out buffer, out bytesReturned);
strReturnValue = System.Runtime.InteropServices.Marshal.PtrToStringAnsi(buffer);
}
finally
{
buffer = IntPtr.Zero;
}
return strReturnValue;
}
Funciona quando a maquina conectada está na mesma rede do TS, porém com acesso remoto (fora da rede) ele não obtém o erro.
Alguém poderia me ajudar?
