regen_mitigator.h

// Copyright (c) 2011 The Chromium OS 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 LOGIN_MANAGER_REGEN_MITIGATOR_H_
#define LOGIN_MANAGER_REGEN_MITIGATOR_H_

#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "login_manager/owner_key_loss_mitigator.h"

namespace login_manager {

class KeyGenerator;
class OwnerKey;
class SessionManagerService;

// This class mitigates owner key loss by triggering the generation of a new
// owner key and the re-signing of exisiting owner device policy.
class RegenMitigator : public OwnerKeyLossMitigator {
 public:
  RegenMitigator(KeyGenerator* generator,
                 bool set_uid,
                 uid_t uid,
                 SessionManagerService* manager);
  virtual ~RegenMitigator();

  // Deal with loss of the owner's private key.
  // Returning true means that we can recover without user interaction.
  // Returning false means that we can't.
  bool Mitigate(OwnerKey* key);
  bool Mitigating();

 private:
  KeyGenerator* generator_;
  bool set_uid_;
  uid_t uid_;
  SessionManagerService* manager_;
  bool mitigating_;
  DISALLOW_COPY_AND_ASSIGN(RegenMitigator);
};

}  // namespace login_manager

#endif  // LOGIN_MANAGER_REGEN_MITIGATOR_H_