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// Copyright (c) 2011 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 "net/base/ssl_config_service.h"
#include "net/base/ssl_config_service_defaults.h"
#include "net/base/ssl_false_start_blacklist.h"
namespace net {
SSLConfig::CertAndStatus::CertAndStatus() : cert_status(0) {}
SSLConfig::CertAndStatus::~CertAndStatus() {}
SSLConfig::SSLConfig()
: rev_checking_enabled(true), ssl3_enabled(true),
tls1_enabled(true),
dns_cert_provenance_checking_enabled(false), cached_info_enabled(false),
origin_bound_certs_enabled(false),
false_start_enabled(true),
send_client_cert(false), verify_ev_cert(false), ssl3_fallback(false) {
}
SSLConfig::~SSLConfig() {
}
bool SSLConfig::IsAllowedBadCert(X509Certificate* cert,
int* cert_status) const {
std::string der_cert;
if (!cert->GetDEREncoded(&der_cert))
return false;
return IsAllowedBadCert(der_cert, cert_status);
}
bool SSLConfig::IsAllowedBadCert(const base::StringPiece& der_cert,
int* cert_status) const {
for (size_t i = 0; i < allowed_bad_certs.size(); ++i) {
if (der_cert == allowed_bad_certs[i].der_cert) {
if (cert_status)
*cert_status = allowed_bad_certs[i].cert_status;
return true;
}
}
return false;
}
SSLConfigService::SSLConfigService()
: observer_list_(ObserverList<Observer>::NOTIFY_EXISTING_ONLY) {
}
// static
bool SSLConfigService::IsKnownFalseStartIncompatibleServer(
const std::string& hostname) {
return SSLFalseStartBlacklist::IsMember(hostname);
}
static bool g_cached_info_enabled = false;
static bool g_origin_bound_certs_enabled = false;
static bool g_false_start_enabled = true;
static bool g_dns_cert_provenance_checking = false;
// static
void SSLConfigService::DisableFalseStart() {
g_false_start_enabled = false;
}
// static
bool SSLConfigService::false_start_enabled() {
return g_false_start_enabled;
}
// static
void SSLConfigService::EnableDNSCertProvenanceChecking() {
g_dns_cert_provenance_checking = true;
}
// static
bool SSLConfigService::dns_cert_provenance_checking_enabled() {
return g_dns_cert_provenance_checking;
}
// static
void SSLConfigService::EnableCachedInfo() {
g_cached_info_enabled = true;
}
// static
bool SSLConfigService::cached_info_enabled() {
return g_cached_info_enabled;
}
// static
void SSLConfigService::EnableOriginBoundCerts() {
g_origin_bound_certs_enabled = true;
}
// static
bool SSLConfigService::origin_bound_certs_enabled() {
return g_origin_bound_certs_enabled;
}
void SSLConfigService::AddObserver(Observer* observer) {
observer_list_.AddObserver(observer);
}
void SSLConfigService::RemoveObserver(Observer* observer) {
observer_list_.RemoveObserver(observer);
}
SSLConfigService::~SSLConfigService() {
}
// static
void SSLConfigService::SetSSLConfigFlags(SSLConfig* ssl_config) {
ssl_config->false_start_enabled = g_false_start_enabled;
ssl_config->dns_cert_provenance_checking_enabled =
g_dns_cert_provenance_checking;
ssl_config->cached_info_enabled = g_cached_info_enabled;
ssl_config->origin_bound_certs_enabled = g_origin_bound_certs_enabled;
}
void SSLConfigService::ProcessConfigUpdate(const SSLConfig& orig_config,
const SSLConfig& new_config) {
bool config_changed =
(orig_config.rev_checking_enabled != new_config.rev_checking_enabled) ||
(orig_config.ssl3_enabled != new_config.ssl3_enabled) ||
(orig_config.tls1_enabled != new_config.tls1_enabled) ||
(orig_config.disabled_cipher_suites.size() !=
new_config.disabled_cipher_suites.size());
if (!config_changed) {
config_changed = (orig_config.disabled_cipher_suites !=
new_config.disabled_cipher_suites);
}
if (config_changed)
FOR_EACH_OBSERVER(Observer, observer_list_, OnSSLConfigChanged());
}
// static
bool SSLConfigService::IsSNIAvailable(SSLConfigService* service) {
if (!service)
return false;
SSLConfig ssl_config;
service->GetSSLConfig(&ssl_config);
return ssl_config.tls1_enabled;
}
} // namespace net
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