internal static extern bool AuthzGetInformationFromContext(
SafeAuthZClientContextHandle hAuthzClientContext,
AUTHZ_CONTEXT_INFORMATION_CLASS InfoClass,
int BufferSize,
out int pSizeRequired,
SafeBuffer Buffer
);
private NtResult <SafeStructureInOutBuffer <T> > QueryBuffer <T>(AUTHZ_CONTEXT_INFORMATION_CLASS info_class, bool throw_on_error) where T : new()
{
if (SecurityNativeMethods.AuthzGetInformationFromContext(_handle, info_class, 0, out int required_size, SafeHGlobalBuffer.Null))
{
return(NtStatus.STATUS_INVALID_PARAMETER.CreateResultFromError <SafeStructureInOutBuffer <T> >(throw_on_error));
}
var err = Win32Utils.GetLastWin32Error();
if (err != Win32Error.ERROR_INSUFFICIENT_BUFFER)
{
return(err.CreateResultFromDosError <SafeStructureInOutBuffer <T> >(throw_on_error));
}
using (var buffer = new SafeStructureInOutBuffer <T>(required_size, false)) {
return(SecurityNativeMethods.AuthzGetInformationFromContext(_handle, info_class,
buffer.Length, out required_size, buffer).CreateWin32Result(throw_on_error, () => buffer.Detach()));
}
}
public static SafeHGlobalHandle GetCtxInfo(SafeAUTHZ_CLIENT_CONTEXT_HANDLE hCtx, AUTHZ_CONTEXT_INFORMATION_CLASS type)
{
var b = AuthzGetInformationFromContext(hCtx, type, 0, out var szReq, IntPtr.Zero);
if (!b && Win32Error.GetLastError() != Win32Error.ERROR_INSUFFICIENT_BUFFER)
{
TestContext.WriteLine($"AuthzGetInformationFromContext:{Win32Error.GetLastError()}");
}
Assert.That(!b);
if (szReq == 0)
{
return(SafeHGlobalHandle.Null);
}
var buf = new SafeHGlobalHandle((int)szReq);
b = AuthzGetInformationFromContext(hCtx, type, szReq, out szReq, (IntPtr)buf);
if (!b)
{
TestContext.WriteLine($"AuthzGetInformationFromContext:{Win32Error.GetLastError()}");
}
Assert.That(b);
return(buf);
}
internal static extern bool AuthzModifySids(
SafeAuthZClientContextHandle hAuthzClientContext,
AUTHZ_CONTEXT_INFORMATION_CLASS SidClass,
AuthZSidOperation[] pSidOperations,
SafeTokenGroupsBuffer pSids
);