chromeos/cryptohome/cryptohome_util.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chromeos/cryptohome/cryptohome_util.h"
   6
   7 #include "base/logging.h"
   8 #include "chromeos/dbus/cryptohome_client.h"
   9 #include "chromeos/dbus/dbus_thread_manager.h"
  10
  11 namespace chromeos {
  12 namespace cryptohome_util {
  13
  14 bool TpmIsEnabled() {
  15   bool result = false;
  16   DBusThreadManager::Get()->GetCryptohomeClient()->CallTpmIsEnabledAndBlock(
  17       &result);
  18   return result;
  19 }
  20
  21 bool TpmIsOwned() {
  22   bool result = false;
  23   DBusThreadManager::Get()->GetCryptohomeClient()->CallTpmIsOwnedAndBlock(
  24       &result);
  25   return result;
  26 }
  27
  28 bool TpmIsBeingOwned() {
  29   bool result = false;
  30   DBusThreadManager::Get()->GetCryptohomeClient()->
  31       CallTpmIsBeingOwnedAndBlock(&result);
  32   return result;
  33 }
  34
  35 bool InstallAttributesGet(
  36     const std::string& name, std::string* value) {
  37   std::vector<uint8> buf;
  38   bool success = false;
  39   DBusThreadManager::Get()->GetCryptohomeClient()->
  40       InstallAttributesGet(name, &buf, &success);
  41   if (success) {
  42     // Cryptohome returns 'buf' with a terminating '\0' character.
  43     DCHECK(!buf.empty());
  44     DCHECK_EQ(buf.back(), 0);
  45     value->assign(reinterpret_cast<char*>(buf.data()), buf.size() - 1);
  46   }
  47   return success;
  48 }
  49
  50 bool InstallAttributesSet(
  51     const std::string& name, const std::string& value) {
  52   std::vector<uint8> buf(value.c_str(), value.c_str() + value.size() + 1);
  53   bool success = false;
  54   DBusThreadManager::Get()->GetCryptohomeClient()->
  55       InstallAttributesSet(name, buf, &success);
  56   return success;
  57 }
  58
  59 bool InstallAttributesFinalize() {
  60   bool success = false;
  61   DBusThreadManager::Get()->GetCryptohomeClient()->
  62       InstallAttributesFinalize(&success);
  63   return success;
  64 }
  65
  66 bool InstallAttributesIsInvalid() {
  67   bool result = false;
  68   DBusThreadManager::Get()->GetCryptohomeClient()->
  69       InstallAttributesIsInvalid(&result);
  70   return result;
  71 }
  72
  73 bool InstallAttributesIsFirstInstall() {
  74   bool result = false;
  75   DBusThreadManager::Get()->GetCryptohomeClient()->
  76       InstallAttributesIsFirstInstall(&result);
  77   return result;
  78 }
  79
  80 }  // namespace cryptohome_util
  81 }  // namespace chromeos