/// <summary>
/// Returns the login token for the specified network name resource (its compute account)
/// </summary>
/// <param name="hCluster"></param>
/// <param name="hResource"></param>
/// <returns></returns>
private static IntPtr GetNetworkNameLoginToken(IntPtr hCluster, IntPtr hResource)
{
int length = Win32API.MAX_COMPUTERNAME_LENGTH + 1;
StringBuilder computerName = new StringBuilder(length);
// Get the NETBIOS name of the local physical node
if (!Win32API.GetComputerNameEx((int)COMPUTER_NAME_FORMAT.ComputerNamePhysicalNetBIOS, computerName, ref length))
{
throw new Win32Exception(Marshal.GetLastWin32Error(), "Cannot get node's physical computer name");
}
// Get a handle to the local node
IntPtr hClusterNode = Win32API.OpenClusterNode(hCluster, computerName.ToString());
if (hClusterNode == IntPtr.Zero)
{
throw new Win32Exception(Marshal.GetLastWin32Error(), "Cannot access local failover node");
}
try
{
// Get login token
CLUS_NETNAME_VS_TOKEN_INFO tokenInfo = new CLUS_NETNAME_VS_TOKEN_INFO();
tokenInfo.ProcessID = (uint)Process.GetCurrentProcess().Id;
int bytesReturned = 0;
IntPtr loginToken = IntPtr.Zero;
int ret = Win32API.ClusterResourceControl_NetNameToken(hResource, hClusterNode,
(int)CLUSCTL_RESOURCE_CODES.CLUSCTL_RESOURCE_NETNAME_GET_VIRTUAL_SERVER_TOKEN,
ref tokenInfo, CLUS_NETNAME_VS_TOKEN_INFO.GetSize(), out loginToken, IntPtr.Size, out bytesReturned);
if (ret != 0 || bytesReturned != IntPtr.Size)
{
throw new Win32Exception(ret, "Cannot retrieve network name login token");
}
return(loginToken);
}
finally
{
if (hClusterNode != IntPtr.Zero)
{
Win32API.CloseClusterNode(hClusterNode);
}
}
}