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      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 
     11 namespace net {
     12 
     13 const uint16 kDefaultSSLVersionMin = SSL_PROTOCOL_VERSION_SSL3;
     14 
     15 const 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 
     28 SSLConfig::CertAndStatus::CertAndStatus() : cert_status(0) {}
     29 
     30 SSLConfig::CertAndStatus::~CertAndStatus() {}
     31 
     32 SSLConfig::SSLConfig()
     33     : rev_checking_enabled(false),
     34       rev_checking_required_local_anchors(false),
     35       version_min(kDefaultSSLVersionMin),
     36       version_max(kDefaultSSLVersionMax),
     37       channel_id_enabled(true),
     38       false_start_enabled(true),
     39       signed_cert_timestamps_enabled(true),
     40       require_forward_secrecy(false),
     41       send_client_cert(false),
     42       verify_ev_cert(false),
     43       version_fallback(false),
     44       cert_io_enabled(true) {
     45 }
     46 
     47 SSLConfig::~SSLConfig() {}
     48 
     49 bool SSLConfig::IsAllowedBadCert(X509Certificate* cert,
     50                                  CertStatus* cert_status) const {
     51   std::string der_cert;
     52   if (!X509Certificate::GetDEREncoded(cert->os_cert_handle(), &der_cert))
     53     return false;
     54   return IsAllowedBadCert(der_cert, cert_status);
     55 }
     56 
     57 bool SSLConfig::IsAllowedBadCert(const base::StringPiece& der_cert,
     58                                  CertStatus* cert_status) const {
     59   for (size_t i = 0; i < allowed_bad_certs.size(); ++i) {
     60     if (der_cert == allowed_bad_certs[i].der_cert) {
     61       if (cert_status)
     62         *cert_status = allowed_bad_certs[i].cert_status;
     63       return true;
     64     }
     65   }
     66   return false;
     67 }
     68 
     69 }  // namespace net
     70