コード例 #1
0
 internal static extern SecStatusCode AcceptSecurityContext(
     [In] SecHandle phCredential,
     [In] SecHandle phContext,
     SecBufferDesc pInput,
     AcceptContextReqFlags fContextReq,
     SecDataRep TargetDataRep,
     [In, Out] SecHandle phNewContext,
     [In, Out] SecBufferDesc pOutput,
     out AcceptContextRetFlags pfContextAttr,
     [Out] LargeInteger ptsExpiry
     );
        internal static SecStatusCode AcceptSecurityContext(
            CredentialHandle credential,
            SecHandle context,
            AcceptContextReqFlags req_attributes,
            SecDataRep data_rep,
            IList <SecurityBuffer> input,
            SecHandle new_context,
            IList <SecurityBuffer> output,
            out AcceptContextRetFlags ret_attributes,
            LargeInteger expiry,
            bool throw_on_error)
        {
            using (DisposableList list = new DisposableList())
            {
                var input_buffers  = input?.ToBufferList(list);
                var output_buffers = output?.ToBufferList(list);

                var in_buffer_desc  = input_buffers.ToDesc(list);
                var out_buffer_desc = output_buffers.ToDesc(list);

                SecStatusCode result = SecurityNativeMethods.AcceptSecurityContext(credential.CredHandle, context,
                                                                                   in_buffer_desc, req_attributes, data_rep, new_context, out_buffer_desc, out ret_attributes, expiry).CheckResult(throw_on_error);
                if (!result.IsSuccess())
                {
                    return(result);
                }
                try
                {
                    if (result == SecStatusCode.SEC_I_COMPLETE_NEEDED || result == SecStatusCode.SEC_I_COMPLETE_AND_CONTINUE)
                    {
                        var comp_result = SecurityNativeMethods.CompleteAuthToken(context, out_buffer_desc).CheckResult(throw_on_error);
                        if (!comp_result.IsSuccess())
                        {
                            return(comp_result);
                        }
                    }
                }
                finally
                {
                    if (result.IsSuccess())
                    {
                        output?.UpdateBuffers(out_buffer_desc);
                    }
                }

                return(result);
            }
        }