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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 "chrome/browser/net/ssl_config_service_manager.h"
#include "base/command_line.h"
#include "base/memory/ref_counted.h"
#include "base/message_loop/message_loop.h"
#include "base/prefs/pref_registry_simple.h"
#include "base/prefs/testing_pref_store.h"
#include "base/values.h"
#include "chrome/browser/content_settings/host_content_settings_map.h"
#include "chrome/browser/prefs/pref_service_mock_factory.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/content_settings.h"
#include "chrome/common/pref_names.h"
#include "chrome/test/base/testing_pref_service_syncable.h"
#include "chrome/test/base/testing_profile.h"
#include "content/public/test/test_browser_thread.h"
#include "net/ssl/ssl_config_service.h"
#include "testing/gtest/include/gtest/gtest.h"
using base::ListValue;
using base::Value;
using content::BrowserThread;
using net::SSLConfig;
using net::SSLConfigService;
class SSLConfigServiceManagerPrefTest : public testing::Test {
public:
SSLConfigServiceManagerPrefTest()
: ui_thread_(BrowserThread::UI, &message_loop_),
io_thread_(BrowserThread::IO, &message_loop_) {}
protected:
bool IsChannelIdEnabled(SSLConfigService* config_service) {
// Pump the message loop to notify the SSLConfigServiceManagerPref that the
// preferences changed.
message_loop_.RunUntilIdle();
SSLConfig config;
config_service->GetSSLConfig(&config);
return config.channel_id_enabled;
}
base::MessageLoop message_loop_;
content::TestBrowserThread ui_thread_;
content::TestBrowserThread io_thread_;
};
// Test channel id with no user prefs.
TEST_F(SSLConfigServiceManagerPrefTest, ChannelIDWithoutUserPrefs) {
TestingPrefServiceSimple local_state;
SSLConfigServiceManager::RegisterPrefs(local_state.registry());
local_state.SetUserPref(prefs::kEnableOriginBoundCerts,
base::Value::CreateBooleanValue(false));
scoped_ptr<SSLConfigServiceManager> config_manager(
SSLConfigServiceManager::CreateDefaultManager(&local_state));
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_FALSE(config.channel_id_enabled);
local_state.SetUserPref(prefs::kEnableOriginBoundCerts,
base::Value::CreateBooleanValue(true));
// Pump the message loop to notify the SSLConfigServiceManagerPref that the
// preferences changed.
message_loop_.RunUntilIdle();
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());
scoped_ptr<SSLConfigServiceManager> config_manager(
SSLConfigServiceManager::CreateDefaultManager(&local_state));
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->Append(base::Value::CreateStringValue("0x0004"));
list_value->Append(base::Value::CreateStringValue("0x0005"));
local_state.SetUserPref(prefs::kCipherSuiteBlacklist, list_value);
// Pump the message loop to notify the SSLConfigServiceManagerPref that the
// preferences changed.
message_loop_.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());
scoped_ptr<SSLConfigServiceManager> config_manager(
SSLConfigServiceManager::CreateDefaultManager(&local_state));
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->Append(base::Value::CreateStringValue("0x0004"));
list_value->Append(
base::Value::CreateStringValue("TLS_NOT_WITH_A_CIPHER_SUITE"));
list_value->Append(base::Value::CreateStringValue("0x0005"));
list_value->Append(base::Value::CreateStringValue("0xBEEFY"));
local_state.SetUserPref(prefs::kCipherSuiteBlacklist, list_value);
// Pump the message loop to notify the SSLConfigServiceManagerPref that the
// preferences changed.
message_loop_.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,
// SSL 3.0 ~ default_version_max() are enabled;
// * without --enable-unrestricted-ssl3-fallback,
// |unrestricted_ssl3_fallback_enabled| is false.
TEST_F(SSLConfigServiceManagerPrefTest, NoCommandLinePrefs) {
scoped_refptr<TestingPrefStore> local_state_store(new TestingPrefStore());
PrefServiceMockFactory factory;
factory.set_user_prefs(local_state_store);
scoped_refptr<PrefRegistrySimple> registry = new PrefRegistrySimple;
scoped_ptr<PrefService> local_state(factory.Create(registry.get()));
SSLConfigServiceManager::RegisterPrefs(registry.get());
scoped_ptr<SSLConfigServiceManager> config_manager(
SSLConfigServiceManager::CreateDefaultManager(local_state.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 default value in the absence of command-line options is that
// SSL 3.0 ~ default_version_max() are enabled.
EXPECT_EQ(net::SSL_PROTOCOL_VERSION_SSL3, ssl_config.version_min);
EXPECT_EQ(net::SSLConfigService::default_version_max(),
ssl_config.version_max);
EXPECT_FALSE(ssl_config.unrestricted_ssl3_fallback_enabled);
// The settings should not be added to the local_state.
EXPECT_FALSE(local_state->HasPrefPath(prefs::kSSLVersionMin));
EXPECT_FALSE(local_state->HasPrefPath(prefs::kSSLVersionMax));
EXPECT_FALSE(local_state->HasPrefPath(
prefs::kEnableUnrestrictedSSL3Fallback));
// 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(prefs::kSSLVersionMin,
&version_min_str));
EXPECT_FALSE(local_state_store->GetString(prefs::kSSLVersionMax,
&version_max_str));
bool unrestricted_ssl3_fallback_enabled;
EXPECT_FALSE(local_state_store->GetBoolean(
prefs::kEnableUnrestrictedSSL3Fallback,
&unrestricted_ssl3_fallback_enabled));
}
// Test that command-line settings for minimum and maximum SSL versions are
// respected and that they do not persist to the preferences files.
TEST_F(SSLConfigServiceManagerPrefTest, CommandLinePrefs) {
scoped_refptr<TestingPrefStore> local_state_store(new TestingPrefStore());
CommandLine command_line(CommandLine::NO_PROGRAM);
command_line.AppendSwitchASCII(switches::kSSLVersionMin, "tls1");
command_line.AppendSwitchASCII(switches::kSSLVersionMax, "ssl3");
command_line.AppendSwitch(switches::kEnableUnrestrictedSSL3Fallback);
PrefServiceMockFactory factory;
factory.set_user_prefs(local_state_store);
factory.SetCommandLine(&command_line);
scoped_refptr<PrefRegistrySimple> registry = new PrefRegistrySimple;
scoped_ptr<PrefService> local_state(factory.Create(registry.get()));
SSLConfigServiceManager::RegisterPrefs(registry.get());
scoped_ptr<SSLConfigServiceManager> config_manager(
SSLConfigServiceManager::CreateDefaultManager(local_state.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);
// Command-line flags should be respected.
EXPECT_EQ(net::SSL_PROTOCOL_VERSION_TLS1, ssl_config.version_min);
EXPECT_EQ(net::SSL_PROTOCOL_VERSION_SSL3, ssl_config.version_max);
EXPECT_TRUE(ssl_config.unrestricted_ssl3_fallback_enabled);
// Explicitly double-check the settings are not in the preference store.
const PrefService::Preference* version_min_pref =
local_state->FindPreference(prefs::kSSLVersionMin);
EXPECT_FALSE(version_min_pref->IsUserModifiable());
const PrefService::Preference* version_max_pref =
local_state->FindPreference(prefs::kSSLVersionMax);
EXPECT_FALSE(version_max_pref->IsUserModifiable());
const PrefService::Preference* ssl3_fallback_pref =
local_state->FindPreference(prefs::kEnableUnrestrictedSSL3Fallback);
EXPECT_FALSE(ssl3_fallback_pref->IsUserModifiable());
std::string version_min_str;
std::string version_max_str;
EXPECT_FALSE(local_state_store->GetString(prefs::kSSLVersionMin,
&version_min_str));
EXPECT_FALSE(local_state_store->GetString(prefs::kSSLVersionMax,
&version_max_str));
bool unrestricted_ssl3_fallback_enabled;
EXPECT_FALSE(local_state_store->GetBoolean(
prefs::kEnableUnrestrictedSSL3Fallback,
&unrestricted_ssl3_fallback_enabled));
}
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