1// Copyright (c) 2011 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 "net/base/ssl_config_service.h"
6
7#include "net/base/ssl_config_service_defaults.h"
8#include "net/base/ssl_false_start_blacklist.h"
9
10namespace net {
11
12SSLConfig::CertAndStatus::CertAndStatus() : cert_status(0) {}
13
14SSLConfig::CertAndStatus::~CertAndStatus() {}
15
16SSLConfig::SSLConfig()
17    : rev_checking_enabled(true), ssl3_enabled(true),
18      tls1_enabled(true), dnssec_enabled(false),
19      dns_cert_provenance_checking_enabled(false),
20      false_start_enabled(true),
21      send_client_cert(false), verify_ev_cert(false), ssl3_fallback(false) {
22}
23
24SSLConfig::~SSLConfig() {
25}
26
27bool SSLConfig::IsAllowedBadCert(X509Certificate* cert) const {
28  for (size_t i = 0; i < allowed_bad_certs.size(); ++i) {
29    if (cert->Equals(allowed_bad_certs[i].cert))
30      return true;
31  }
32  return false;
33}
34
35SSLConfigService::SSLConfigService()
36    : observer_list_(ObserverList<Observer>::NOTIFY_EXISTING_ONLY) {
37}
38
39// static
40SSLConfigService* SSLConfigService::CreateSystemSSLConfigService() {
41  // TODO(rtenneti): We don't use the system SSL configuration any more.
42  // Simplify this code after talking with mattm.
43  return new SSLConfigServiceDefaults;
44}
45
46// static
47bool SSLConfigService::IsKnownFalseStartIncompatibleServer(
48    const std::string& hostname) {
49#ifdef ANDROID
50  return true;
51#else
52  return SSLFalseStartBlacklist::IsMember(hostname.c_str());
53#endif
54}
55
56static bool g_dnssec_enabled = false;
57static bool g_false_start_enabled = true;
58static bool g_dns_cert_provenance_checking = false;
59
60// static
61void SSLConfigService::EnableDNSSEC() {
62  g_dnssec_enabled = true;
63}
64
65// static
66bool SSLConfigService::dnssec_enabled() {
67  return g_dnssec_enabled;
68}
69
70// static
71void SSLConfigService::DisableFalseStart() {
72  g_false_start_enabled = false;
73}
74
75// static
76bool SSLConfigService::false_start_enabled() {
77  return g_false_start_enabled;
78}
79
80// static
81void SSLConfigService::EnableDNSCertProvenanceChecking() {
82  g_dns_cert_provenance_checking = true;
83}
84
85// static
86bool SSLConfigService::dns_cert_provenance_checking_enabled() {
87  return g_dns_cert_provenance_checking;
88}
89
90void SSLConfigService::AddObserver(Observer* observer) {
91  observer_list_.AddObserver(observer);
92}
93
94void SSLConfigService::RemoveObserver(Observer* observer) {
95  observer_list_.RemoveObserver(observer);
96}
97
98SSLConfigService::~SSLConfigService() {
99}
100
101// static
102void SSLConfigService::SetSSLConfigFlags(SSLConfig* ssl_config) {
103  ssl_config->dnssec_enabled = g_dnssec_enabled;
104  ssl_config->false_start_enabled = g_false_start_enabled;
105  ssl_config->dns_cert_provenance_checking_enabled =
106      g_dns_cert_provenance_checking;
107}
108
109void SSLConfigService::ProcessConfigUpdate(const SSLConfig& orig_config,
110                                           const SSLConfig& new_config) {
111  if (orig_config.rev_checking_enabled != new_config.rev_checking_enabled ||
112      orig_config.ssl3_enabled != new_config.ssl3_enabled ||
113      orig_config.tls1_enabled != new_config.tls1_enabled) {
114    FOR_EACH_OBSERVER(Observer, observer_list_, OnSSLConfigChanged());
115  }
116}
117
118}  // namespace net
119