1// Copyright 2014 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/ssl/ssl_config.h"
6
7#if defined(USE_OPENSSL)
8#include <openssl/ssl.h>
9#endif
10
11namespace net {
12
13const uint16 kDefaultSSLVersionMin = SSL_PROTOCOL_VERSION_SSL3;
14
15const uint16 kDefaultSSLVersionMax =
16#if defined(USE_OPENSSL)
17#if defined(SSL_OP_NO_TLSv1_2)
18    SSL_PROTOCOL_VERSION_TLS1_2;
19#elif defined(SSL_OP_NO_TLSv1_1)
20    SSL_PROTOCOL_VERSION_TLS1_1;
21#else
22    SSL_PROTOCOL_VERSION_TLS1;
23#endif
24#else
25    SSL_PROTOCOL_VERSION_TLS1_2;
26#endif
27
28const uint16 kDefaultSSLVersionFallbackMin = SSL_PROTOCOL_VERSION_TLS1;
29
30SSLConfig::CertAndStatus::CertAndStatus() : cert_status(0) {}
31
32SSLConfig::CertAndStatus::~CertAndStatus() {}
33
34SSLConfig::SSLConfig()
35    : rev_checking_enabled(false),
36      rev_checking_required_local_anchors(false),
37      version_min(kDefaultSSLVersionMin),
38      version_max(kDefaultSSLVersionMax),
39      version_fallback_min(kDefaultSSLVersionFallbackMin),
40      channel_id_enabled(true),
41      false_start_enabled(true),
42      signed_cert_timestamps_enabled(true),
43      require_forward_secrecy(false),
44      send_client_cert(false),
45      verify_ev_cert(false),
46      version_fallback(false),
47      cert_io_enabled(true) {
48}
49
50SSLConfig::~SSLConfig() {}
51
52bool SSLConfig::IsAllowedBadCert(X509Certificate* cert,
53                                 CertStatus* cert_status) const {
54  std::string der_cert;
55  if (!X509Certificate::GetDEREncoded(cert->os_cert_handle(), &der_cert))
56    return false;
57  return IsAllowedBadCert(der_cert, cert_status);
58}
59
60bool SSLConfig::IsAllowedBadCert(const base::StringPiece& der_cert,
61                                 CertStatus* cert_status) const {
62  for (size_t i = 0; i < allowed_bad_certs.size(); ++i) {
63    if (der_cert == allowed_bad_certs[i].der_cert) {
64      if (cert_status)
65        *cert_status = allowed_bad_certs[i].cert_status;
66      return true;
67    }
68  }
69  return false;
70}
71
72}  // namespace net
73