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// 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.
#include <memory>
#include <utility>
#include "base/feature_list.h"
#include "base/memory/ref_counted.h"
#include "base/message_loop/message_loop.h"
#include "base/run_loop.h"
#include "base/test/scoped_feature_list.h"
#include "base/threading/thread_task_runner_handle.h"
#include "base/values.h"
#include "components/prefs/testing_pref_service.h"
#include "components/ssl_config/ssl_config_prefs.h"
#include "components/ssl_config/ssl_config_service_manager.h"
#include "components/ssl_config/ssl_config_switches.h"
#include "net/ssl/ssl_config.h"
#include "net/ssl/ssl_config_service.h"
#include "testing/gtest/include/gtest/gtest.h"
using base::ListValue;
using net::SSLConfig;
using net::SSLConfigService;
using ssl_config::SSLConfigServiceManager;
class SSLConfigServiceManagerPrefTest : public testing::Test {
public:
SSLConfigServiceManagerPrefTest() {}
protected:
base::MessageLoop message_loop_;
};
// Test channel id with no user prefs.
TEST_F(SSLConfigServiceManagerPrefTest, ChannelIDWithoutUserPrefs) {
TestingPrefServiceSimple local_state;
SSLConfigServiceManager::RegisterPrefs(local_state.registry());
std::unique_ptr<SSLConfigServiceManager> config_manager(
SSLConfigServiceManager::CreateDefaultManager(
&local_state, base::ThreadTaskRunnerHandle::Get()));
ASSERT_TRUE(config_manager.get());
scoped_refptr<SSLConfigService> config_service(config_manager->Get());
ASSERT_TRUE(config_service.get());
SSLConfig config;
config_service->GetSSLConfig(&config);
EXPECT_TRUE(config.channel_id_enabled);
}
// Test that cipher suites can be disabled. "Good" refers to the fact that
// every value is expected to be successfully parsed into a cipher suite.
TEST_F(SSLConfigServiceManagerPrefTest, GoodDisabledCipherSuites) {
TestingPrefServiceSimple local_state;
SSLConfigServiceManager::RegisterPrefs(local_state.registry());
std::unique_ptr<SSLConfigServiceManager> config_manager(
SSLConfigServiceManager::CreateDefaultManager(
&local_state, base::ThreadTaskRunnerHandle::Get()));
ASSERT_TRUE(config_manager.get());
scoped_refptr<SSLConfigService> config_service(config_manager->Get());
ASSERT_TRUE(config_service.get());
SSLConfig old_config;
config_service->GetSSLConfig(&old_config);
EXPECT_TRUE(old_config.disabled_cipher_suites.empty());
base::ListValue* list_value = new base::ListValue();
list_value->AppendString("0x0004");
list_value->AppendString("0x0005");
local_state.SetUserPref(ssl_config::prefs::kCipherSuiteBlacklist, list_value);
// Pump the message loop to notify the SSLConfigServiceManagerPref that the
// preferences changed.
base::RunLoop().RunUntilIdle();
SSLConfig config;
config_service->GetSSLConfig(&config);
EXPECT_NE(old_config.disabled_cipher_suites, config.disabled_cipher_suites);
ASSERT_EQ(2u, config.disabled_cipher_suites.size());
EXPECT_EQ(0x0004, config.disabled_cipher_suites[0]);
EXPECT_EQ(0x0005, config.disabled_cipher_suites[1]);
}
// Test that cipher suites can be disabled. "Bad" refers to the fact that
// there are one or more non-cipher suite strings in the preference. They
// should be ignored.
TEST_F(SSLConfigServiceManagerPrefTest, BadDisabledCipherSuites) {
TestingPrefServiceSimple local_state;
SSLConfigServiceManager::RegisterPrefs(local_state.registry());
std::unique_ptr<SSLConfigServiceManager> config_manager(
SSLConfigServiceManager::CreateDefaultManager(
&local_state, base::ThreadTaskRunnerHandle::Get()));
ASSERT_TRUE(config_manager.get());
scoped_refptr<SSLConfigService> config_service(config_manager->Get());
ASSERT_TRUE(config_service.get());
SSLConfig old_config;
config_service->GetSSLConfig(&old_config);
EXPECT_TRUE(old_config.disabled_cipher_suites.empty());
base::ListValue* list_value = new base::ListValue();
list_value->AppendString("0x0004");
list_value->AppendString("TLS_NOT_WITH_A_CIPHER_SUITE");
list_value->AppendString("0x0005");
list_value->AppendString("0xBEEFY");
local_state.SetUserPref(ssl_config::prefs::kCipherSuiteBlacklist, list_value);
// Pump the message loop to notify the SSLConfigServiceManagerPref that the
// preferences changed.
base::RunLoop().RunUntilIdle();
SSLConfig config;
config_service->GetSSLConfig(&config);
EXPECT_NE(old_config.disabled_cipher_suites, config.disabled_cipher_suites);
ASSERT_EQ(2u, config.disabled_cipher_suites.size());
EXPECT_EQ(0x0004, config.disabled_cipher_suites[0]);
EXPECT_EQ(0x0005, config.disabled_cipher_suites[1]);
}
// Test that without command-line settings for minimum and maximum SSL versions,
// TLS versions from 1.0 up to 1.1 or 1.2 are enabled.
TEST_F(SSLConfigServiceManagerPrefTest, NoCommandLinePrefs) {
scoped_refptr<TestingPrefStore> local_state_store(new TestingPrefStore());
TestingPrefServiceSimple local_state;
SSLConfigServiceManager::RegisterPrefs(local_state.registry());
std::unique_ptr<SSLConfigServiceManager> config_manager(
SSLConfigServiceManager::CreateDefaultManager(
&local_state, base::ThreadTaskRunnerHandle::Get()));
ASSERT_TRUE(config_manager.get());
scoped_refptr<SSLConfigService> config_service(config_manager->Get());
ASSERT_TRUE(config_service.get());
SSLConfig ssl_config;
config_service->GetSSLConfig(&ssl_config);
// In the absence of command-line options, the default TLS version range is
// enabled.
EXPECT_EQ(net::kDefaultSSLVersionMin, ssl_config.version_min);
EXPECT_EQ(net::kDefaultSSLVersionMax, ssl_config.version_max);
// The settings should not be added to the local_state.
EXPECT_FALSE(local_state.HasPrefPath(ssl_config::prefs::kSSLVersionMin));
EXPECT_FALSE(local_state.HasPrefPath(ssl_config::prefs::kSSLVersionMax));
// Explicitly double-check the settings are not in the preference store.
std::string version_min_str;
std::string version_max_str;
EXPECT_FALSE(local_state_store->GetString(ssl_config::prefs::kSSLVersionMin,
&version_min_str));
EXPECT_FALSE(local_state_store->GetString(ssl_config::prefs::kSSLVersionMax,
&version_max_str));
}
// Tests that "ssl3" is not treated as a valid minimum version.
TEST_F(SSLConfigServiceManagerPrefTest, NoSSL3) {
scoped_refptr<TestingPrefStore> local_state_store(new TestingPrefStore());
TestingPrefServiceSimple local_state;
local_state.SetUserPref(ssl_config::prefs::kSSLVersionMin,
new base::StringValue("ssl3"));
SSLConfigServiceManager::RegisterPrefs(local_state.registry());
std::unique_ptr<SSLConfigServiceManager> config_manager(
SSLConfigServiceManager::CreateDefaultManager(
&local_state, base::ThreadTaskRunnerHandle::Get()));
ASSERT_TRUE(config_manager.get());
scoped_refptr<SSLConfigService> config_service(config_manager->Get());
ASSERT_TRUE(config_service.get());
SSLConfig ssl_config;
config_service->GetSSLConfig(&ssl_config);
// The command-line option must not have been honored.
EXPECT_LE(net::SSL_PROTOCOL_VERSION_TLS1, ssl_config.version_min);
}
// Tests that TLS 1.3 may be enabled via features.
TEST_F(SSLConfigServiceManagerPrefTest, TLS13Feature) {
// Toggle the feature.
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitFromCommandLine("NegotiateTLS13", std::string());
TestingPrefServiceSimple local_state;
SSLConfigServiceManager::RegisterPrefs(local_state.registry());
std::unique_ptr<SSLConfigServiceManager> config_manager(
SSLConfigServiceManager::CreateDefaultManager(
&local_state, base::ThreadTaskRunnerHandle::Get()));
scoped_refptr<SSLConfigService> config_service(config_manager->Get());
ASSERT_TRUE(config_service.get());
// The feature should have switched the default version_fallback_min value.
SSLConfig ssl_config;
config_service->GetSSLConfig(&ssl_config);
EXPECT_EQ(net::SSL_PROTOCOL_VERSION_TLS1_3, ssl_config.version_max);
}
// Tests that SHA-1 signatures for local trust anchors can be enabled.
TEST_F(SSLConfigServiceManagerPrefTest, SHA1ForLocalAnchors) {
scoped_refptr<TestingPrefStore> local_state_store(new TestingPrefStore());
TestingPrefServiceSimple local_state;
SSLConfigServiceManager::RegisterPrefs(local_state.registry());
std::unique_ptr<SSLConfigServiceManager> config_manager(
SSLConfigServiceManager::CreateDefaultManager(
&local_state, base::ThreadTaskRunnerHandle::Get()));
ASSERT_TRUE(config_manager);
scoped_refptr<SSLConfigService> config_service(config_manager->Get());
ASSERT_TRUE(config_service);
// By default, SHA-1 local trust anchors should be enabled when not
// using any pref service.
SSLConfig config1;
EXPECT_TRUE(config1.sha1_local_anchors_enabled);
// Using a pref service without any preference set should result in
// SHA-1 local trust anchors being disabled.
SSLConfig config2;
config_service->GetSSLConfig(&config2);
EXPECT_FALSE(config2.sha1_local_anchors_enabled);
// Enabling the local preference should result in SHA-1 local trust anchors
// being enabled.
local_state.SetUserPref(ssl_config::prefs::kCertEnableSha1LocalAnchors,
new base::FundamentalValue(true));
// Pump the message loop to notify the SSLConfigServiceManagerPref that the
// preferences changed.
base::RunLoop().RunUntilIdle();
SSLConfig config3;
config_service->GetSSLConfig(&config3);
EXPECT_TRUE(config3.sha1_local_anchors_enabled);
// Disabling the local preference should result in SHA-1 local trust
// anchors being disabled.
local_state.SetUserPref(ssl_config::prefs::kCertEnableSha1LocalAnchors,
new base::FundamentalValue(false));
// Pump the message loop to notify the SSLConfigServiceManagerPref that the
// preferences changed.
base::RunLoop().RunUntilIdle();
SSLConfig config4;
config_service->GetSSLConfig(&config4);
EXPECT_FALSE(config4.sha1_local_anchors_enabled);
}
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