Handle prohibited technologies in device policy ONC

chromeos/network/shill_property_handler.h

 // 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.
 
 #ifndef CHROMEOS_NETWORK_SHILL_PROPERTY_HANDLER_H_
 #define CHROMEOS_NETWORK_SHILL_PROPERTY_HANDLER_H_
 
 #include <list>
 #include <map>
 #include <set>
 #include <string>
+#include <vector>
 
 #include "base/memory/weak_ptr.h"
 #include "chromeos/dbus/dbus_method_call_status.h"
 #include "chromeos/dbus/shill_property_changed_observer.h"
+#include "chromeos/login/login_state.h"
 #include "chromeos/network/managed_state.h"
 #include "chromeos/network/network_handler_callbacks.h"
+#include "chromeos/network/network_policy_observer.h"
 
 namespace base {
 class DictionaryValue;
 class ListValue;
 class Value;
 }
 
 namespace chromeos {
 
 class ShillManagerClient;
 
 namespace internal {
 
 class ShillPropertyObserver;
 
 // This class handles Shill calls and observers to reflect the state of the
 // Shill Manager and its services and devices. It observes Shill.Manager and
 // requests properties for new devices/networks. It takes a Listener in its
 // constructor (e.g. NetworkStateHandler) that it calls when properties change
 // (including once to set their initial state after Init() gets called).
 // It also observes Shill.Service for all services in Manager.ServiceWatchList.
 // This class must not outlive the ShillManagerClient instance.
 class CHROMEOS_EXPORT ShillPropertyHandler
     : public ShillPropertyChangedObserver,
-      public base::SupportsWeakPtr<ShillPropertyHandler> {
+      public base::SupportsWeakPtr<ShillPropertyHandler>,
+      public LoginState::Observer {

[stevenjb, 2015/11/10 21:40:21]

I really don't like adding this dependency here, or the added complication to
this class. I think we should put these changes elsewhere.

[fqj, 2015/11/11 16:53:55]

Done.

  public:
   typedef std::map<std::string, ShillPropertyObserver*>
       ShillPropertyObserverMap;
 
   class CHROMEOS_EXPORT Listener {
    public:
     // Called when the entries in a managed list have changed.
     virtual void UpdateManagedList(ManagedState::ManagedType type,
                                    const base::ListValue& entries) = 0;
 
@@ skipping 49 matching lines @@
   ~ShillPropertyHandler() override;
 
   // Sets up the observer and calls UpdateManagerProperties().
   void Init();
 
   // Requests all Manager properties. Called from Init() and any time
   // properties that do not signal changes might have been updated (e.g.
   // ServiceCompleteList).
   void UpdateManagerProperties();
 
+  // LoginState::Observer
+  void LoggedInStateChanged() override;
+
   // Returns true if |technology| is available, enabled, etc.
   bool IsTechnologyAvailable(const std::string& technology) const;
   bool IsTechnologyEnabled(const std::string& technology) const;
   bool IsTechnologyEnabling(const std::string& technology) const;
   bool IsTechnologyUninitialized(const std::string& technology) const;
 
   // Asynchronously sets the enabled state for |technology|.
   // Note: Modifies Manager state. Calls |error_callback| on failure.
   void SetTechnologyEnabled(
       const std::string& technology,
       bool enabled,
       const network_handler::ErrorCallback& error_callback);
 
+  // Asynchronously sets the prohibited state for every network technology
+  // listed in |technologies|. Note: Modifies Manager state. Calls
+  // |error_callback| on failure.
+  void SetProhibitedTechnologies(
+      const std::vector<std::string>& technologies,
+      const network_handler::ErrorCallback& error_callback);
+
   // Sets the list of devices on which portal check is enabled.
   void SetCheckPortalList(const std::string& check_portal_list);
 
   // Sets the Manager.WakeOnLan property. Note: we do not track this state, we
   // only set it.
   void SetWakeOnLanEnabled(bool enabled);
 
   // Requests an immediate network scan.
   void RequestScan() const;
 
   // Requests all properties for the service or device (called for new items).
   void RequestProperties(ManagedState::ManagedType type,
                          const std::string& path);
 
   // ShillPropertyChangedObserver overrides
   void OnPropertyChanged(const std::string& key,
                          const base::Value& value) override;
 
+  // Called when user policy is applied
+  void UserPolicyApplied();
+
  private:
   typedef std::map<ManagedState::ManagedType, std::set<std::string> >
       TypeRequestMap;
 
   // Callback for dbus method fetching properties.
   void ManagerPropertiesCallback(DBusMethodCallStatus call_status,
                                  const base::DictionaryValue& properties);
 
   // Notifies the listener when a ManagedStateList has changed and all pending
   // updates have been received. |key| can either identify the list that
@@ skipping 54 matching lines @@
 
   // Callback for getting the IPConfig property of a network or device. Handled
   // here instead of in NetworkState so that all asynchronous requests are done
   // in a single place (also simplifies NetworkState considerably).
   void GetIPConfigCallback(ManagedState::ManagedType type,
                            const std::string& path,
                            const std::string& ip_config_path,
                            DBusMethodCallStatus call_status,
                            const base::DictionaryValue& properties);
 
+  void SetProhibitedTechnologiesEnforced(bool enforced);
+
+  // Is user logged in
+  bool in_user_session_;
+
+  // Is user policy applied
+  bool user_policy_applied_;
+
   // Pointer to containing class (owns this)
   Listener* listener_;
 
   // Convenience pointer for ShillManagerClient
   ShillManagerClient* shill_manager_;
 
   // Pending update list for each managed state type
   TypeRequestMap pending_updates_;
 
   // List of states for which properties have been requested, for each managed
   // state type
   TypeRequestMap requested_updates_;
 
   // List of network services with Shill property changed observers
   ShillPropertyObserverMap observed_networks_;
 
   // List of network devices with Shill property changed observers
   ShillPropertyObserverMap observed_devices_;
 
   // Lists of available / enabled / uninitialized technologies
   std::set<std::string> available_technologies_;
   std::set<std::string> enabled_technologies_;
   std::set<std::string> enabling_technologies_;
+  std::set<std::string> prohibited_technologies_;
   std::set<std::string> uninitialized_technologies_;
 
   DISALLOW_COPY_AND_ASSIGN(ShillPropertyHandler);
 };
 
 }  // namespace internal
 }  // namespace chromeos
 
 #endif  // CHROMEOS_NETWORK_SHILL_PROPERTY_HANDLER_H_