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1 // Copyright (c) 2012 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 "chrome/browser/policy/network_configuration_updater.h" | |
6 | |
7 #include <string> | |
8 | |
9 #include "base/bind.h" | |
10 #include "base/bind_helpers.h" | |
11 #include "chrome/browser/chromeos/cros/network_library.h" | |
12 #include "chrome/browser/policy/policy_map.h" | |
13 #include "chromeos/network/onc/onc_constants.h" | |
14 #include "chromeos/network/onc/onc_utils.h" | |
15 #include "policy/policy_constants.h" | |
16 | |
17 namespace policy { | |
18 | |
19 NetworkConfigurationUpdater::NetworkConfigurationUpdater( | |
20 PolicyService* policy_service, | |
21 chromeos::NetworkLibrary* network_library) | |
22 : policy_change_registrar_( | |
23 policy_service, PolicyNamespace(POLICY_DOMAIN_CHROME, std::string())), | |
24 network_library_(network_library), | |
25 user_policy_initialized_(false), | |
26 allow_web_trust_(false), | |
27 policy_service_(policy_service) { | |
28 DCHECK(network_library_); | |
29 policy_change_registrar_.Observe( | |
30 key::kDeviceOpenNetworkConfiguration, | |
31 base::Bind(&NetworkConfigurationUpdater::OnPolicyChanged, | |
32 base::Unretained(this), | |
33 chromeos::onc::ONC_SOURCE_DEVICE_POLICY)); | |
34 policy_change_registrar_.Observe( | |
35 key::kOpenNetworkConfiguration, | |
36 base::Bind(&NetworkConfigurationUpdater::OnPolicyChanged, | |
37 base::Unretained(this), | |
38 chromeos::onc::ONC_SOURCE_USER_POLICY)); | |
39 | |
40 network_library_->AddNetworkProfileObserver(this); | |
41 | |
42 // Apply the current policies immediately. | |
43 ApplyNetworkConfigurations(); | |
44 } | |
45 | |
46 NetworkConfigurationUpdater::~NetworkConfigurationUpdater() { | |
47 network_library_->RemoveNetworkProfileObserver(this); | |
48 } | |
49 | |
50 void NetworkConfigurationUpdater::OnProfileListChanged() { | |
51 VLOG(1) << "Network profile list changed, applying policies."; | |
52 ApplyNetworkConfigurations(); | |
53 } | |
54 | |
55 void NetworkConfigurationUpdater::OnUserPolicyInitialized() { | |
56 VLOG(1) << "User policy initialized, applying policies."; | |
57 user_policy_initialized_ = true; | |
58 ApplyNetworkConfigurations(); | |
59 } | |
60 | |
61 void NetworkConfigurationUpdater::OnPolicyChanged( | |
62 chromeos::onc::ONCSource onc_source, | |
63 const base::Value* previous, | |
64 const base::Value* current) { | |
65 VLOG(1) << "Policy for ONC source " | |
66 << chromeos::onc::GetSourceAsString(onc_source) << " changed."; | |
67 ApplyNetworkConfigurations(); | |
68 } | |
69 | |
70 void NetworkConfigurationUpdater::ApplyNetworkConfigurations() { | |
71 ApplyNetworkConfiguration(key::kDeviceOpenNetworkConfiguration, | |
72 chromeos::onc::ONC_SOURCE_DEVICE_POLICY); | |
73 if (user_policy_initialized_) { | |
74 ApplyNetworkConfiguration(key::kOpenNetworkConfiguration, | |
75 chromeos::onc::ONC_SOURCE_USER_POLICY); | |
76 } | |
77 } | |
78 | |
79 void NetworkConfigurationUpdater::ApplyNetworkConfiguration( | |
80 const std::string& policy_key, | |
81 chromeos::onc::ONCSource onc_source) { | |
82 VLOG(1) << "Apply policy for ONC source " | |
83 << chromeos::onc::GetSourceAsString(onc_source); | |
84 const PolicyMap& policies = policy_service_->GetPolicies( | |
85 PolicyNamespace(POLICY_DOMAIN_CHROME, std::string())); | |
86 const base::Value* policy_value = policies.GetValue(policy_key); | |
87 | |
88 std::string new_network_config; | |
89 if (policy_value != NULL) { | |
90 // If the policy is not a string, we issue a warning, but still clear the | |
91 // network configuration. | |
92 if (!policy_value->GetAsString(&new_network_config)) { | |
93 LOG(WARNING) << "ONC policy for source " | |
94 << chromeos::onc::GetSourceAsString(onc_source) | |
95 << " is not a string value."; | |
96 } | |
97 } | |
98 | |
99 // An empty string is not a valid ONC and generates warnings and | |
100 // errors. Replace by a valid empty configuration. | |
101 if (new_network_config.empty()) | |
102 new_network_config = chromeos::onc::kEmptyUnencryptedConfiguration; | |
103 | |
104 if (!network_library_->LoadOncNetworks(new_network_config, "", onc_source, | |
105 allow_web_trust_)) { | |
106 LOG(ERROR) << "Errors occurred during the ONC policy application."; | |
107 } | |
108 } | |
109 | |
110 } // namespace policy | |
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