Minimal attestation-based enrollment flow.

chrome/browser/chromeos/login/wizard_controller.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/login/wizard_controller.h"
 
 #include <signal.h>
 #include <stddef.h>
 #include <stdlib.h>
 #include <sys/types.h>
@@ skipping 443 matching lines @@
   VLOG(1) << "Showing EULA screen.";
   SetStatusAreaVisible(true);
   SetCurrentScreen(GetScreen(kEulaScreenName));
 }
 
 void WizardController::ShowEnrollmentScreen() {
   // Update the enrollment configuration and start the screen.
   prescribed_enrollment_config_ = g_browser_process->platform_part()
                                       ->browser_policy_connector_chromeos()
                                       ->GetPrescribedEnrollmentConfig();
-  StartEnrollmentScreen();
+  StartEnrollmentScreen(false);
 }
 
 void WizardController::ShowResetScreen() {
   VLOG(1) << "Showing reset screen.";
   SetStatusAreaVisible(false);
   SetCurrentScreen(GetScreen(kResetScreenName));
 }
 
 void WizardController::ShowKioskEnableScreen() {
   VLOG(1) << "Showing kiosk enable screen.";
@@ skipping 309 matching lines @@
 }
 
 void WizardController::OnDeviceDisabledChecked(bool device_disabled) {
   prescribed_enrollment_config_ = g_browser_process->platform_part()
                                       ->browser_policy_connector_chromeos()
                                       ->GetPrescribedEnrollmentConfig();
   if (device_disabled) {
     ShowDeviceDisabledScreen();
   } else if (skip_update_enroll_after_eula_ ||
              prescribed_enrollment_config_.should_enroll()) {
-    StartEnrollmentScreen();
+    StartEnrollmentScreen(skip_update_enroll_after_eula_);
   } else {
     PerformOOBECompletedActions();
     ShowLoginScreen(LoginScreenContext());
   }
 }
 
 void WizardController::InitiateOOBEUpdate() {
   if (IsRemoraRequisition()) {
     VLOG(1) << "Skip OOBE Update for remora.";
     OnUpdateCompleted();
@@ skipping 572 matching lines @@
   remora_controller_->OnNetworkConnectivityChanged(
       pairing_chromeos::HostPairingController::CONNECTIVITY_CONNECTED);
   InitiateOOBEUpdate();
 }
 
 void WizardController::OnSetHostNetworkFailed() {
   remora_controller_->OnNetworkConnectivityChanged(
       pairing_chromeos::HostPairingController::CONNECTIVITY_NONE);
 }
 
-void WizardController::StartEnrollmentScreen() {
-  VLOG(1) << "Showing enrollment screen.";
+void WizardController::StartEnrollmentScreen(bool force_interactive) {
+  VLOG(1) << "Showing enrollment screen."
+          << " Forcing interactive enrollment: " << force_interactive << ".";
 
   // Determine the effective enrollment configuration. If there is a valid
   // prescribed configuration, use that. If not, figure out which variant of
   // manual enrollment is taking place.
   policy::EnrollmentConfig effective_config = prescribed_enrollment_config_;
-  if (!effective_config.should_enroll()) {
+  if (!effective_config.should_enroll() ||
+      (force_interactive && !effective_config.should_enroll_interactively())) {
     effective_config.mode =
         prescribed_enrollment_config_.management_domain.empty()
             ? policy::EnrollmentConfig::MODE_MANUAL
             : policy::EnrollmentConfig::MODE_MANUAL_REENROLLMENT;
   }
 
   EnrollmentScreen* screen = EnrollmentScreen::Get(this);
   screen->SetParameters(effective_config, shark_controller_.get());
   SetStatusAreaVisible(true);
   SetCurrentScreen(screen);
 }
 
 }  // namespace chromeos