// computerInfoLock must be held coming in here
private void LoadComputerInfo()
{
GlobalDebug.WriteLineIf(GlobalDebug.Info, "SAMStoreCtx", "LoadComputerInfo");
Debug.Assert(_ctxBase != null);
Debug.Assert(SAMUtils.IsOfObjectClass(_ctxBase, "Computer"));
//
// Target OS version
//
int versionMajor;
int versionMinor;
if (!SAMUtils.GetOSVersion(_ctxBase, out versionMajor, out versionMinor))
{
throw new PrincipalOperationException(SR.SAMStoreCtxUnableToRetrieveVersion);
}
Debug.Assert(versionMajor > 0);
Debug.Assert(versionMinor >= 0);
if (versionMajor >= 6) // 6.0 == Longhorn
{
_isLSAM = true;
}
else
{
_isLSAM = false;
}
GlobalDebug.WriteLineIf(GlobalDebug.Info, "SAMStoreCtx", "LoadComputerInfo: ver={0}.{1}", versionMajor, versionMinor);
//
// Machine user-supplied name
//
// This ADSI property stores the machine name as supplied by the user in the ADsPath.
// It could be a flat name or a DNS name.
if (_ctxBase.Properties["Name"].Count > 0)
{
Debug.Assert(_ctxBase.Properties["Name"].Count == 1);
_machineUserSuppliedName = (string)_ctxBase.Properties["Name"].Value;
GlobalDebug.WriteLineIf(GlobalDebug.Info, "SAMStoreCtx", "LoadComputerInfo: machineUserSuppliedName={0}", _machineUserSuppliedName);
}
else
{
throw new PrincipalOperationException(SR.SAMStoreCtxUnableToRetrieveMachineName);
}
//
// Machine flat name
//
IntPtr buffer = IntPtr.Zero;
try
{
// This function takes in a flat or DNS name, and returns the flat name of the computer
int err = UnsafeNativeMethods.NetWkstaGetInfo(_machineUserSuppliedName, 100, ref buffer);
if (err == 0)
{
UnsafeNativeMethods.WKSTA_INFO_100 wkstaInfo =
(UnsafeNativeMethods.WKSTA_INFO_100)Marshal.PtrToStructure(buffer, typeof(UnsafeNativeMethods.WKSTA_INFO_100));
_machineFlatName = wkstaInfo.wki100_computername;
GlobalDebug.WriteLineIf(GlobalDebug.Info, "SAMStoreCtx", "LoadComputerInfo: machineFlatName={0}", _machineFlatName);
}
else
{
throw new PrincipalOperationException(
SR.Format(
SR.SAMStoreCtxUnableToRetrieveFlatMachineName,
err));
}
}
finally
{
if (buffer != IntPtr.Zero)
{
UnsafeNativeMethods.NetApiBufferFree(buffer);
}
}
}
