internal static IntPtr GetMachineDomainSid()
{
IntPtr pPolicyHandle = IntPtr.Zero;
IntPtr pBuffer = IntPtr.Zero;
IntPtr pOA = IntPtr.Zero;
try
{
UnsafeNativeMethods.LSA_OBJECT_ATTRIBUTES oa = new UnsafeNativeMethods.LSA_OBJECT_ATTRIBUTES();
pOA = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(UnsafeNativeMethods.LSA_OBJECT_ATTRIBUTES)));
Marshal.StructureToPtr(oa, pOA, false);
int err = UnsafeNativeMethods.LsaOpenPolicy(
IntPtr.Zero,
pOA,
1, // POLICY_VIEW_LOCAL_INFORMATION
ref pPolicyHandle);
if (err != 0)
{
GlobalDebug.WriteLineIf(GlobalDebug.Error, "Utils", "GetMachineDomainSid: LsaOpenPolicy failed, gle=" + SafeNativeMethods.LsaNtStatusToWinError(err));
throw new PrincipalOperationException(String.Format(CultureInfo.CurrentCulture,
StringResources.UnableToRetrievePolicy,
SafeNativeMethods.LsaNtStatusToWinError(err)));
}
Debug.Assert(pPolicyHandle != IntPtr.Zero);
err = UnsafeNativeMethods.LsaQueryInformationPolicy(
pPolicyHandle,
5, // PolicyAccountDomainInformation
ref pBuffer);
if (err != 0)
{
GlobalDebug.WriteLineIf(GlobalDebug.Error, "Utils", "GetMachineDomainSid: LsaQueryInformationPolicy failed, gle=" + SafeNativeMethods.LsaNtStatusToWinError(err));
throw new PrincipalOperationException(String.Format(CultureInfo.CurrentCulture,
StringResources.UnableToRetrievePolicy,
SafeNativeMethods.LsaNtStatusToWinError(err)));
}
Debug.Assert(pBuffer != IntPtr.Zero);
UnsafeNativeMethods.POLICY_ACCOUNT_DOMAIN_INFO info = (UnsafeNativeMethods.POLICY_ACCOUNT_DOMAIN_INFO)
Marshal.PtrToStructure(pBuffer, typeof(UnsafeNativeMethods.POLICY_ACCOUNT_DOMAIN_INFO));
Debug.Assert(UnsafeNativeMethods.IsValidSid(info.domainSid));
// Now we make a copy of the SID to return
int sidLength = UnsafeNativeMethods.GetLengthSid(info.domainSid);
IntPtr pCopyOfSid = Marshal.AllocHGlobal(sidLength);
bool success = UnsafeNativeMethods.CopySid(sidLength, pCopyOfSid, info.domainSid);
if (!success)
{
int lastError = Marshal.GetLastWin32Error();
GlobalDebug.WriteLineIf(GlobalDebug.Error,
"Utils",
"GetMachineDomainSid: CopySid failed, errorcode=" + lastError);
throw new PrincipalOperationException(
String.Format(CultureInfo.CurrentCulture, StringResources.UnableToRetrievePolicy, lastError));
}
return(pCopyOfSid);
}
finally
{
if (pPolicyHandle != IntPtr.Zero)
{
UnsafeNativeMethods.LsaClose(pPolicyHandle);
}
if (pBuffer != IntPtr.Zero)
{
UnsafeNativeMethods.LsaFreeMemory(pBuffer);
}
if (pOA != IntPtr.Zero)
{
Marshal.FreeHGlobal(pOA);
}
}
}
internal static IntPtr GetMachineDomainSid()
{
IntPtr intPtr;
IntPtr zero = IntPtr.Zero;
IntPtr zero1 = IntPtr.Zero;
IntPtr intPtr1 = IntPtr.Zero;
try
{
UnsafeNativeMethods.LSA_OBJECT_ATTRIBUTES lSAOBJECTATTRIBUTE = new UnsafeNativeMethods.LSA_OBJECT_ATTRIBUTES();
intPtr1 = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(UnsafeNativeMethods.LSA_OBJECT_ATTRIBUTES)));
Marshal.StructureToPtr(lSAOBJECTATTRIBUTE, intPtr1, false);
int num = UnsafeNativeMethods.LsaOpenPolicy(IntPtr.Zero, intPtr1, 1, ref zero);
if (num == 0)
{
num = UnsafeNativeMethods.LsaQueryInformationPolicy(zero, 5, ref zero1);
if (num == 0)
{
UnsafeNativeMethods.POLICY_ACCOUNT_DOMAIN_INFO structure = (UnsafeNativeMethods.POLICY_ACCOUNT_DOMAIN_INFO)Marshal.PtrToStructure(zero1, typeof(UnsafeNativeMethods.POLICY_ACCOUNT_DOMAIN_INFO));
int lengthSid = UnsafeNativeMethods.GetLengthSid(structure.domainSid);
IntPtr intPtr2 = Marshal.AllocHGlobal(lengthSid);
bool flag = UnsafeNativeMethods.CopySid(lengthSid, intPtr2, structure.domainSid);
if (flag)
{
intPtr = intPtr2;
}
else
{
int lastWin32Error = Marshal.GetLastWin32Error();
object[] objArray = new object[1];
objArray[0] = lastWin32Error;
throw new PrincipalOperationException(string.Format(CultureInfo.CurrentCulture, StringResources.UnableToRetrievePolicy, objArray));
}
}
else
{
object[] winError = new object[1];
winError[0] = SafeNativeMethods.LsaNtStatusToWinError(num);
throw new PrincipalOperationException(string.Format(CultureInfo.CurrentCulture, StringResources.UnableToRetrievePolicy, winError));
}
}
else
{
object[] winError1 = new object[1];
winError1[0] = SafeNativeMethods.LsaNtStatusToWinError(num);
throw new PrincipalOperationException(string.Format(CultureInfo.CurrentCulture, StringResources.UnableToRetrievePolicy, winError1));
}
}
finally
{
if (zero != IntPtr.Zero)
{
UnsafeNativeMethods.LsaClose(zero);
}
if (zero1 != IntPtr.Zero)
{
UnsafeNativeMethods.LsaFreeMemory(zero1);
}
if (intPtr1 != IntPtr.Zero)
{
Marshal.FreeHGlobal(intPtr1);
}
}
return(intPtr);
}
