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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stddef.h>
#include <memory>
#include <utility>
#include "base/run_loop.h"
#include "base/values.h"
#include "chrome/browser/policy/networking/user_network_configuration_updater.h"
#include "chromeos/ash/components/network/policy_certificate_provider.h"
#include "chromeos/components/onc/certificate_scope.h"
#include "chromeos/components/onc/onc_test_utils.h"
#include "components/onc/onc_constants.h"
#include "components/policy/core/common/mock_configuration_policy_provider.h"
#include "components/policy/core/common/policy_map.h"
#include "components/policy/core/common/policy_service_impl.h"
#include "components/policy/core/common/policy_types.h"
#include "components/policy/policy_constants.h"
#include "content/public/test/browser_task_environment.h"
#include "content/public/test/test_utils.h"
#include "net/test/cert_test_util.h"
#include "net/test/test_data_directory.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using testing::_;
using testing::Mock;
using testing::Ne;
using testing::Return;
using testing::StrictMock;
namespace policy {
namespace {
class MockPolicyProvidedCertsObserver
: public ash::PolicyCertificateProvider::Observer {
public:
MockPolicyProvidedCertsObserver() = default;
MockPolicyProvidedCertsObserver(const MockPolicyProvidedCertsObserver&) =
delete;
MockPolicyProvidedCertsObserver& operator=(
const MockPolicyProvidedCertsObserver&) = delete;
MOCK_METHOD0(OnPolicyProvidedCertsChanged, void());
};
// Note: HexSSID 737369642D6E6F6E65 maps to "ssid-none".
// HexSSID 7465737431323334 maps to "test1234"
const char kFakeONC[] = R"(
{ "NetworkConfigurations": [
{ "GUID": "{485d6076-dd44-6b6d-69787465725f5040}",
"Type": "WiFi",
"Name": "My WiFi Network",
"WiFi": {
"HexSSID": "737369642D6E6F6E65",
"HiddenSSID": false,
"Security": "None" }
},
{ "GUID": "{guid-for-wifi-with-device-exp}",
"Type": "WiFi",
"Name": "My WiFi with device placeholder expansions",
"WiFi": {
"EAP": {
"Outer": "EAP-TLS",
"Identity": "${DEVICE_SERIAL_NUMBER}-${DEVICE_ASSET_ID}"
},
"HexSSID": "7465737431323334",
"HiddenSSID": false,
"Security": "WPA-EAP",
"SSID": "test1234",
}
}
],
"GlobalNetworkConfiguration": {
"AllowOnlyPolicyNetworksToAutoconnect": true,
},
"Certificates": [
{ "GUID": "{f998f760-272b-6939-4c2beffe428697ac}",
"PKCS12": "YWJj",
"Type": "Client" },
{ "GUID": "{d443ad0d-ea16-4301-9089-588115e2f5c4}",
"TrustBits": [
"Web"
],
"Type": "Authority",
"X509": "-----BEGIN CERTIFICATE-----\n
MIIC8zCCAdugAwIBAgIJALF9qhLor0+aMA0GCSqGSIb3DQEBBQUAMBcxFTATBgNV\n
BAMMDFRlc3QgUm9vdCBDQTAeFw0xNDA4MTQwMzA1MjlaFw0yNDA4MTEwMzA1Mjla\n
MBcxFTATBgNVBAMMDFRlc3QgUm9vdCBDQTCCASIwDQYJKoZIhvcNAQEBBQADggEP\n
ADCCAQoCggEBALZJQeNCAVGofzx6cdP7zZE1F4QajvY2x9FwHfqG8267dm/oMi43\n
/TiSPWjkin1CMxRGG9wE9pFuVEDECgn97C1i4l7huiycwbFgTNrH+CJcgiBlQh5W\n
d3VP65AsSupXDiKNbJWsEerM1+72cA0J3aY1YV3Jdm2w8h6/MIbYd1I2lZcO0UbF\n
7YE9G7DyYZU8wUA4719dumGf7yucn4WJdHBj1XboNX7OAeHzERGQHA31/Y3OEGyt\n
fFUaIW/XLfR4FeovOL2RnjwdB0b1Q8GCi68SU2UZimlpZgay2gv6KgChKhWESfEB\n
v5swBtAVoB+dUZFH4VNf717swmF5whSfxOMCAwEAAaNCMEAwDwYDVR0TAQH/BAUw\n
AwEB/zAdBgNVHQ4EFgQUvPcw0TzA8nn675/JbFyT84poq4MwDgYDVR0PAQH/BAQD\n
AgEGMA0GCSqGSIb3DQEBBQUAA4IBAQBXByn7f+j/sObYWGrDkKE4HLTzaLHs6Ikj\n
JNeo8iHDYOSkSVwAv9/HgniAKxj3rd3QYl6nsMzwqrTOcBJZZWd2BQAYmv/EKhfj\n
8VXYvlxe68rLU4cQ1QkyNqdeQfRT2n5WYNJ+TpqlCF9ddennMMsi6e8ZSYOlI6H4\n
YEzlNtU5eBjxXr/OqgtTgSx4qQpr2xMQIRR/G3A9iRpAigYsXVAZYvnHRYnyPWYF\n
PX11W1UegEJyoZp8bQp09u6mIWw6mPt3gl/ya1bm3ZuOUPDGrv3qpgUHqSYGVrOy\n
2bI3oCE+eQYfuVG+9LFJTZC1M+UOx15bQMVqBNFDepRqpE9h/ILg\n
-----END CERTIFICATE-----" },
{ "GUID": "{dac8e282-8ff3-4bb9-a20f-b5ef22b2f83b}",
"Type": "Authority",
"X509": "-----BEGIN CERTIFICATE-----\n
MIIDvzCCAqegAwIBAgIBAzANBgkqhkiG9w0BAQsFADBjMQswCQYDVQQGEwJVUzET\n
MBEGA1UECAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91bnRhaW4gVmlldzEQMA4G\n
A1UECgwHVGVzdCBDQTEVMBMGA1UEAwwMVGVzdCBSb290IENBMB4XDTE3MDYwNTE3\n
MTA0NloXDTI3MDYwMzE3MTA0NlowYDELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNh\n
bGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxEDAOBgNVBAoMB1Rlc3Qg\n
Q0ExEjAQBgNVBAMMCTEyNy4wLjAuMTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCC\n
AQoCggEBALS/0pcz5RNbd2W9cxp1KJtHWea3MOhGM21YW9ofCv/k5C3yHfiJ6GQu\n
9sPN16OO1/fN59gOEMPnVtL85ebTTuL/gk0YY4ewo97a7wo3e6y1t0PO8gc53xTp\n
w6RBPn5oRzSbe2HEGOYTzrO0puC6A+7k6+eq9G2+l1uqBpdQAdB4uNaSsOTiuUOI\n
ta4UZH1ScNQFHAkl1eJPyaiC20Exw75EbwvU/b/B7tlivzuPtQDI0d9dShOtceRL\n
X9HZckyD2JNAv2zNL2YOBNa5QygkySX9WXD+PfKpCk7Cm8TenldeXRYl5ni2REkp\n
nfa/dPuF1g3xZVjyK9aPEEnIAC2I4i0CAwEAAaOBgDB+MAwGA1UdEwEB/wQCMAAw\n
HQYDVR0OBBYEFODc4C8HiHQ6n9Mwo3GK+dal5aZTMB8GA1UdIwQYMBaAFJsmC4qY\n
qbsduR8c4xpAM+2OF4irMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAP\n
BgNVHREECDAGhwR/AAABMA0GCSqGSIb3DQEBCwUAA4IBAQB6FEQuUDRcC5jkX3aZ\n
uuTeZEqMVL7JXgvgFqzXsPb8zIdmxr/tEDfwXx2qDf2Dpxts7Fq4vqUwimK4qV3K\n
7heLnWV2+FBvV1eeSfZ7AQj+SURkdlyo42r41+t13QUf+Z0ftR9266LSWLKrukeI\n
Mxk73hOkm/u8enhTd00dy/FN9dOFBFHseVMspWNxIkdRILgOmiyfQNRgxNYdOf0e\n
EfELR8Hn6WjZ8wAbvO4p7RTrzu1c/RZ0M+NLkID56Brbl70GC2h5681LPwAOaZ7/\n
mWQ5kekSyJjmLfF12b+h9RVAt5MrXZgk2vNujssgGf4nbWh4KZyQ6qrs778ZdDLm\n
yfUn\n
-----END CERTIFICATE-----" }
],
"Type": "UnencryptedConfiguration"
})";
const char kFakeONCWithExtensionScopedCert[] = R"(
{ "Certificates": [
{ "GUID": "{extension-scoped-certificate}",
"TrustBits": [
"Web"
],
"Scope": {
"Type": "Extension",
"Id": "ngjobkbdodapjbbncmagbccommkggmnj"
},
"Type": "Authority",
"X509": "-----BEGIN CERTIFICATE-----\n
MIIC8zCCAdugAwIBAgIJALF9qhLor0+aMA0GCSqGSIb3DQEBBQUAMBcxFTATBgNV\n
BAMMDFRlc3QgUm9vdCBDQTAeFw0xNDA4MTQwMzA1MjlaFw0yNDA4MTEwMzA1Mjla\n
MBcxFTATBgNVBAMMDFRlc3QgUm9vdCBDQTCCASIwDQYJKoZIhvcNAQEBBQADggEP\n
ADCCAQoCggEBALZJQeNCAVGofzx6cdP7zZE1F4QajvY2x9FwHfqG8267dm/oMi43\n
/TiSPWjkin1CMxRGG9wE9pFuVEDECgn97C1i4l7huiycwbFgTNrH+CJcgiBlQh5W\n
d3VP65AsSupXDiKNbJWsEerM1+72cA0J3aY1YV3Jdm2w8h6/MIbYd1I2lZcO0UbF\n
7YE9G7DyYZU8wUA4719dumGf7yucn4WJdHBj1XboNX7OAeHzERGQHA31/Y3OEGyt\n
fFUaIW/XLfR4FeovOL2RnjwdB0b1Q8GCi68SU2UZimlpZgay2gv6KgChKhWESfEB\n
v5swBtAVoB+dUZFH4VNf717swmF5whSfxOMCAwEAAaNCMEAwDwYDVR0TAQH/BAUw\n
AwEB/zAdBgNVHQ4EFgQUvPcw0TzA8nn675/JbFyT84poq4MwDgYDVR0PAQH/BAQD\n
AgEGMA0GCSqGSIb3DQEBBQUAA4IBAQBXByn7f+j/sObYWGrDkKE4HLTzaLHs6Ikj\n
JNeo8iHDYOSkSVwAv9/HgniAKxj3rd3QYl6nsMzwqrTOcBJZZWd2BQAYmv/EKhfj\n
8VXYvlxe68rLU4cQ1QkyNqdeQfRT2n5WYNJ+TpqlCF9ddennMMsi6e8ZSYOlI6H4\n
YEzlNtU5eBjxXr/OqgtTgSx4qQpr2xMQIRR/G3A9iRpAigYsXVAZYvnHRYnyPWYF\n
PX11W1UegEJyoZp8bQp09u6mIWw6mPt3gl/ya1bm3ZuOUPDGrv3qpgUHqSYGVrOy\n
2bI3oCE+eQYfuVG+9LFJTZC1M+UOx15bQMVqBNFDepRqpE9h/ILg\n
-----END CERTIFICATE-----" },
],
"Type": "UnencryptedConfiguration"
})";
const char kExtensionIdWithScopedCert[] = "ngjobkbdodapjbbncmagbccommkggmnj";
} // namespace
class NetworkConfigurationUpdaterTest : public testing::Test {
protected:
NetworkConfigurationUpdaterTest() = default;
void SetUp() override {
EXPECT_CALL(provider_, IsInitializationComplete(_))
.WillRepeatedly(Return(false));
EXPECT_CALL(provider_, IsFirstPolicyLoadComplete(_))
.WillRepeatedly(Return(false));
provider_.Init();
PolicyServiceImpl::Providers providers;
providers.push_back(&provider_);
policy_service_ = std::make_unique<PolicyServiceImpl>(std::move(providers));
}
void TearDown() override {
network_configuration_updater_.reset();
provider_.Shutdown();
base::RunLoop().RunUntilIdle();
}
void MarkPolicyProviderInitialized() {
Mock::VerifyAndClearExpectations(&provider_);
EXPECT_CALL(provider_, IsInitializationComplete(_))
.WillRepeatedly(Return(true));
EXPECT_CALL(provider_, IsFirstPolicyLoadComplete(_))
.WillRepeatedly(Return(true));
provider_.SetAutoRefresh();
provider_.RefreshPolicies(PolicyFetchReason::kTest);
base::RunLoop().RunUntilIdle();
}
void UpdateProviderPolicy(const PolicyMap& policy) {
provider_.UpdateChromePolicy(policy);
base::RunLoop().RunUntilIdle();
}
NetworkConfigurationUpdater*
CreateNetworkConfigurationUpdaterForUserPolicy() {
network_configuration_updater_ =
UserNetworkConfigurationUpdater::CreateForUserPolicy(
policy_service_.get());
return network_configuration_updater_.get();
}
content::BrowserTaskEnvironment task_environment_;
StrictMock<MockConfigurationPolicyProvider> provider_;
std::unique_ptr<PolicyServiceImpl> policy_service_;
std::unique_ptr<NetworkConfigurationUpdater> network_configuration_updater_;
private:
base::Value fake_network_configs_;
};
TEST_F(NetworkConfigurationUpdaterTest, CaPolicyIsValidatedAndRepaired) {
std::string onc_policy = chromeos::onc::test_utils::ReadTestData(
"toplevel_ca_partially_invalid.onc");
PolicyMap policy;
policy.Set(key::kOpenNetworkConfiguration, POLICY_LEVEL_MANDATORY,
POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD, base::Value(onc_policy),
nullptr);
UpdateProviderPolicy(policy);
NetworkConfigurationUpdater* updater =
CreateNetworkConfigurationUpdaterForUserPolicy();
MarkPolicyProviderInitialized();
const auto kDefaultScope = chromeos::onc::CertificateScope::Default();
EXPECT_EQ(0u, updater->GetWebTrustedCertificates(kDefaultScope).size());
EXPECT_EQ(1u, updater->GetCertificatesWithoutWebTrust(kDefaultScope).size());
EXPECT_EQ(
1u, updater->GetAllServerAndAuthorityCertificates(kDefaultScope).size());
}
TEST_F(NetworkConfigurationUpdaterTest,
WebTrustedCertificatesFromPolicyInitially) {
NetworkConfigurationUpdater* updater =
CreateNetworkConfigurationUpdaterForUserPolicy();
MockPolicyProvidedCertsObserver observer;
EXPECT_CALL(observer, OnPolicyProvidedCertsChanged());
updater->AddPolicyProvidedCertsObserver(&observer);
PolicyMap policy;
policy.Set(key::kOpenNetworkConfiguration, POLICY_LEVEL_MANDATORY,
POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD, base::Value(kFakeONC),
nullptr);
UpdateProviderPolicy(policy);
MarkPolicyProviderInitialized();
base::RunLoop().RunUntilIdle();
// Certificates with the "Web" trust flag set will be returned.
const auto kDefaultScope = chromeos::onc::CertificateScope::Default();
EXPECT_EQ(1u, updater->GetWebTrustedCertificates(kDefaultScope).size());
EXPECT_EQ(1u, updater->GetCertificatesWithoutWebTrust(kDefaultScope).size());
EXPECT_EQ(
2u, updater->GetAllServerAndAuthorityCertificates(kDefaultScope).size());
EXPECT_EQ(0u, updater
->GetAllServerAndAuthorityCertificates(
chromeos::onc::CertificateScope::ForExtension(
kExtensionIdWithScopedCert))
.size());
updater->RemovePolicyProvidedCertsObserver(&observer);
}
TEST_F(NetworkConfigurationUpdaterTest,
WebTrustedCertificatesFromPolicyOnUpdate) {
// Start with an empty certificate list.
NetworkConfigurationUpdater* updater =
CreateNetworkConfigurationUpdaterForUserPolicy();
MockPolicyProvidedCertsObserver observer;
EXPECT_CALL(observer, OnPolicyProvidedCertsChanged()).Times(0);
updater->AddPolicyProvidedCertsObserver(&observer);
MarkPolicyProviderInitialized();
base::RunLoop().RunUntilIdle();
// Verify that the returned certificate list is empty.
const auto kDefaultScope = chromeos::onc::CertificateScope::Default();
EXPECT_TRUE(updater->GetWebTrustedCertificates(kDefaultScope).empty());
EXPECT_TRUE(updater->GetCertificatesWithoutWebTrust(kDefaultScope).empty());
EXPECT_TRUE(
updater->GetAllServerAndAuthorityCertificates(kDefaultScope).empty());
// No call has been made to the policy-provided certificates observer.
Mock::VerifyAndClearExpectations(&observer);
EXPECT_CALL(observer, OnPolicyProvidedCertsChanged());
// Change to ONC policy with web trust certs.
PolicyMap policy;
policy.Set(key::kOpenNetworkConfiguration, POLICY_LEVEL_MANDATORY,
POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD, base::Value(kFakeONC),
nullptr);
UpdateProviderPolicy(policy);
base::RunLoop().RunUntilIdle();
// Certificates with the "Web" trust flag set will be returned and forwarded
// to observers.
EXPECT_EQ(1u, updater->GetWebTrustedCertificates(kDefaultScope).size());
EXPECT_EQ(1u, updater->GetCertificatesWithoutWebTrust(kDefaultScope).size());
EXPECT_EQ(
2u, updater->GetAllServerAndAuthorityCertificates(kDefaultScope).size());
EXPECT_EQ(0u, updater
->GetAllServerAndAuthorityCertificates(
chromeos::onc::CertificateScope::ForExtension(
kExtensionIdWithScopedCert))
.size());
updater->RemovePolicyProvidedCertsObserver(&observer);
}
TEST_F(NetworkConfigurationUpdaterTest, ExtensionScopedWebTrustedCertificate) {
NetworkConfigurationUpdater* updater =
CreateNetworkConfigurationUpdaterForUserPolicy();
MockPolicyProvidedCertsObserver observer;
EXPECT_CALL(observer, OnPolicyProvidedCertsChanged());
updater->AddPolicyProvidedCertsObserver(&observer);
PolicyMap policy;
policy.Set(key::kOpenNetworkConfiguration, POLICY_LEVEL_MANDATORY,
POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD,
base::Value(kFakeONCWithExtensionScopedCert), nullptr);
UpdateProviderPolicy(policy);
MarkPolicyProviderInitialized();
base::RunLoop().RunUntilIdle();
// Certificates with the "Web" trust flag set will be returned.
const auto kDefaultScope = chromeos::onc::CertificateScope::Default();
EXPECT_EQ(0u, updater->GetWebTrustedCertificates(kDefaultScope).size());
EXPECT_EQ(0u, updater->GetCertificatesWithoutWebTrust(kDefaultScope).size());
EXPECT_EQ(
0u, updater->GetAllServerAndAuthorityCertificates(kDefaultScope).size());
EXPECT_EQ(1u, updater
->GetAllServerAndAuthorityCertificates(
chromeos::onc::CertificateScope::ForExtension(
kExtensionIdWithScopedCert))
.size());
EXPECT_EQ(1u, updater
->GetWebTrustedCertificates(
chromeos::onc::CertificateScope::ForExtension(
kExtensionIdWithScopedCert))
.size());
updater->RemovePolicyProvidedCertsObserver(&observer);
}
} // namespace policy
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