| Index: net/socket/ssl_client_socket_openssl.cc | 
| diff --git a/net/socket/ssl_client_socket_openssl.cc b/net/socket/ssl_client_socket_openssl.cc | 
| deleted file mode 100644 | 
| index 228e6897c3df4482f039dad19f569827c5fbc905..0000000000000000000000000000000000000000 | 
| --- a/net/socket/ssl_client_socket_openssl.cc | 
| +++ /dev/null | 
| @@ -1,2314 +0,0 @@ | 
| -// 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. | 
| - | 
| -// OpenSSL binding for SSLClientSocket. The class layout and general principle | 
| -// of operation is derived from SSLClientSocketNSS. | 
| - | 
| -#include "net/socket/ssl_client_socket_openssl.h" | 
| - | 
| -#include <errno.h> | 
| -#include <openssl/bio.h> | 
| -#include <openssl/bytestring.h> | 
| -#include <openssl/err.h> | 
| -#include <openssl/evp.h> | 
| -#include <openssl/mem.h> | 
| -#include <openssl/ssl.h> | 
| -#include <string.h> | 
| - | 
| -#include <utility> | 
| - | 
| -#include "base/bind.h" | 
| -#include "base/callback_helpers.h" | 
| -#include "base/lazy_instance.h" | 
| -#include "base/macros.h" | 
| -#include "base/memory/singleton.h" | 
| -#include "base/metrics/histogram_macros.h" | 
| -#include "base/metrics/sparse_histogram.h" | 
| -#include "base/profiler/scoped_tracker.h" | 
| -#include "base/strings/string_number_conversions.h" | 
| -#include "base/strings/string_piece.h" | 
| -#include "base/synchronization/lock.h" | 
| -#include "base/threading/thread_local.h" | 
| -#include "base/trace_event/trace_event.h" | 
| -#include "base/values.h" | 
| -#include "crypto/auto_cbb.h" | 
| -#include "crypto/ec_private_key.h" | 
| -#include "crypto/openssl_util.h" | 
| -#include "crypto/scoped_openssl_types.h" | 
| -#include "net/base/ip_address.h" | 
| -#include "net/base/net_errors.h" | 
| -#include "net/cert/cert_verifier.h" | 
| -#include "net/cert/ct_ev_whitelist.h" | 
| -#include "net/cert/ct_policy_enforcer.h" | 
| -#include "net/cert/ct_policy_status.h" | 
| -#include "net/cert/ct_verifier.h" | 
| -#include "net/cert/x509_certificate_net_log_param.h" | 
| -#include "net/cert/x509_util_openssl.h" | 
| -#include "net/http/transport_security_state.h" | 
| -#include "net/ssl/scoped_openssl_types.h" | 
| -#include "net/ssl/ssl_cert_request_info.h" | 
| -#include "net/ssl/ssl_client_session_cache_openssl.h" | 
| -#include "net/ssl/ssl_connection_status_flags.h" | 
| -#include "net/ssl/ssl_failure_state.h" | 
| -#include "net/ssl/ssl_info.h" | 
| -#include "net/ssl/ssl_private_key.h" | 
| -#include "net/ssl/token_binding.h" | 
| - | 
| -#if !defined(OS_NACL) | 
| -#include "net/ssl/ssl_key_logger.h" | 
| -#endif | 
| - | 
| -#if defined(USE_NSS_CERTS) | 
| -#include "net/cert_net/nss_ocsp.h" | 
| -#endif | 
| - | 
| -namespace net { | 
| - | 
| -namespace { | 
| - | 
| -// Enable this to see logging for state machine state transitions. | 
| -#if 0 | 
| -#define GotoState(s) do { DVLOG(2) << (void *)this << " " << __FUNCTION__ << \ | 
| -                           " jump to state " << s; \ | 
| -                           next_handshake_state_ = s; } while (0) | 
| -#else | 
| -#define GotoState(s) next_handshake_state_ = s | 
| -#endif | 
| - | 
| -// This constant can be any non-negative/non-zero value (eg: it does not | 
| -// overlap with any value of the net::Error range, including net::OK). | 
| -const int kNoPendingResult = 1; | 
| - | 
| -// If a client doesn't have a list of protocols that it supports, but | 
| -// the server supports NPN, choosing "http/1.1" is the best answer. | 
| -const char kDefaultSupportedNPNProtocol[] = "http/1.1"; | 
| - | 
| -// Default size of the internal BoringSSL buffers. | 
| -const int KDefaultOpenSSLBufferSize = 17 * 1024; | 
| - | 
| -// TLS extension number use for Token Binding. | 
| -const unsigned int kTbExtNum = 24; | 
| - | 
| -// Token Binding ProtocolVersions supported. | 
| -const uint8_t kTbProtocolVersionMajor = 0; | 
| -const uint8_t kTbProtocolVersionMinor = 5; | 
| -const uint8_t kTbMinProtocolVersionMajor = 0; | 
| -const uint8_t kTbMinProtocolVersionMinor = 3; | 
| - | 
| -bool EVP_MDToPrivateKeyHash(const EVP_MD* md, SSLPrivateKey::Hash* hash) { | 
| -  switch (EVP_MD_type(md)) { | 
| -    case NID_md5_sha1: | 
| -      *hash = SSLPrivateKey::Hash::MD5_SHA1; | 
| -      return true; | 
| -    case NID_sha1: | 
| -      *hash = SSLPrivateKey::Hash::SHA1; | 
| -      return true; | 
| -    case NID_sha256: | 
| -      *hash = SSLPrivateKey::Hash::SHA256; | 
| -      return true; | 
| -    case NID_sha384: | 
| -      *hash = SSLPrivateKey::Hash::SHA384; | 
| -      return true; | 
| -    case NID_sha512: | 
| -      *hash = SSLPrivateKey::Hash::SHA512; | 
| -      return true; | 
| -    default: | 
| -      return false; | 
| -  } | 
| -} | 
| - | 
| -std::unique_ptr<base::Value> NetLogPrivateKeyOperationCallback( | 
| -    SSLPrivateKey::Type type, | 
| -    SSLPrivateKey::Hash hash, | 
| -    NetLogCaptureMode mode) { | 
| -  std::string type_str; | 
| -  switch (type) { | 
| -    case SSLPrivateKey::Type::RSA: | 
| -      type_str = "RSA"; | 
| -      break; | 
| -    case SSLPrivateKey::Type::ECDSA: | 
| -      type_str = "ECDSA"; | 
| -      break; | 
| -  } | 
| - | 
| -  std::string hash_str; | 
| -  switch (hash) { | 
| -    case SSLPrivateKey::Hash::MD5_SHA1: | 
| -      hash_str = "MD5_SHA1"; | 
| -      break; | 
| -    case SSLPrivateKey::Hash::SHA1: | 
| -      hash_str = "SHA1"; | 
| -      break; | 
| -    case SSLPrivateKey::Hash::SHA256: | 
| -      hash_str = "SHA256"; | 
| -      break; | 
| -    case SSLPrivateKey::Hash::SHA384: | 
| -      hash_str = "SHA384"; | 
| -      break; | 
| -    case SSLPrivateKey::Hash::SHA512: | 
| -      hash_str = "SHA512"; | 
| -      break; | 
| -  } | 
| - | 
| -  std::unique_ptr<base::DictionaryValue> value(new base::DictionaryValue); | 
| -  value->SetString("type", type_str); | 
| -  value->SetString("hash", hash_str); | 
| -  return std::move(value); | 
| -} | 
| - | 
| -std::unique_ptr<base::Value> NetLogChannelIDLookupCallback( | 
| -    ChannelIDService* channel_id_service, | 
| -    NetLogCaptureMode capture_mode) { | 
| -  ChannelIDStore* store = channel_id_service->GetChannelIDStore(); | 
| -  std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue()); | 
| -  dict->SetBoolean("ephemeral", store->IsEphemeral()); | 
| -  dict->SetString("service", base::HexEncode(&channel_id_service, | 
| -                                             sizeof(channel_id_service))); | 
| -  dict->SetString("store", base::HexEncode(&store, sizeof(store))); | 
| -  return std::move(dict); | 
| -} | 
| - | 
| -std::unique_ptr<base::Value> NetLogChannelIDLookupCompleteCallback( | 
| -    crypto::ECPrivateKey* key, | 
| -    int result, | 
| -    NetLogCaptureMode capture_mode) { | 
| -  std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue()); | 
| -  dict->SetInteger("net_error", result); | 
| -  std::string raw_key; | 
| -  if (result == OK && key && key->ExportRawPublicKey(&raw_key)) { | 
| -    std::string key_to_log = "redacted"; | 
| -    if (capture_mode.include_cookies_and_credentials()) { | 
| -      key_to_log = base::HexEncode(raw_key.data(), raw_key.length()); | 
| -    } | 
| -    dict->SetString("key", key_to_log); | 
| -  } | 
| -  return std::move(dict); | 
| -} | 
| - | 
| -}  // namespace | 
| - | 
| -class SSLClientSocketOpenSSL::SSLContext { | 
| - public: | 
| -  static SSLContext* GetInstance() { | 
| -    return base::Singleton<SSLContext>::get(); | 
| -  } | 
| -  SSL_CTX* ssl_ctx() { return ssl_ctx_.get(); } | 
| -  SSLClientSessionCacheOpenSSL* session_cache() { return &session_cache_; } | 
| - | 
| -  SSLClientSocketOpenSSL* GetClientSocketFromSSL(const SSL* ssl) { | 
| -    DCHECK(ssl); | 
| -    SSLClientSocketOpenSSL* socket = static_cast<SSLClientSocketOpenSSL*>( | 
| -        SSL_get_ex_data(ssl, ssl_socket_data_index_)); | 
| -    DCHECK(socket); | 
| -    return socket; | 
| -  } | 
| - | 
| -  bool SetClientSocketForSSL(SSL* ssl, SSLClientSocketOpenSSL* socket) { | 
| -    return SSL_set_ex_data(ssl, ssl_socket_data_index_, socket) != 0; | 
| -  } | 
| - | 
| -#if !defined(OS_NACL) | 
| -  void SetSSLKeyLogFile( | 
| -      const base::FilePath& path, | 
| -      const scoped_refptr<base::SequencedTaskRunner>& task_runner) { | 
| -    DCHECK(!ssl_key_logger_); | 
| -    ssl_key_logger_.reset(new SSLKeyLogger(path, task_runner)); | 
| -    SSL_CTX_set_keylog_callback(ssl_ctx_.get(), KeyLogCallback); | 
| -  } | 
| -#endif | 
| - | 
| -  static const SSL_PRIVATE_KEY_METHOD kPrivateKeyMethod; | 
| - | 
| - private: | 
| -  friend struct base::DefaultSingletonTraits<SSLContext>; | 
| - | 
| -  SSLContext() : session_cache_(SSLClientSessionCacheOpenSSL::Config()) { | 
| -    crypto::EnsureOpenSSLInit(); | 
| -    ssl_socket_data_index_ = SSL_get_ex_new_index(0, 0, 0, 0, 0); | 
| -    DCHECK_NE(ssl_socket_data_index_, -1); | 
| -    ssl_ctx_.reset(SSL_CTX_new(SSLv23_client_method())); | 
| -    SSL_CTX_set_cert_verify_callback(ssl_ctx_.get(), CertVerifyCallback, NULL); | 
| -    SSL_CTX_set_cert_cb(ssl_ctx_.get(), ClientCertRequestCallback, NULL); | 
| -    SSL_CTX_set_verify(ssl_ctx_.get(), SSL_VERIFY_PEER, NULL); | 
| -    // This stops |SSL_shutdown| from generating the close_notify message, which | 
| -    // is currently not sent on the network. | 
| -    // TODO(haavardm): Remove setting quiet shutdown once 118366 is fixed. | 
| -    SSL_CTX_set_quiet_shutdown(ssl_ctx_.get(), 1); | 
| -    // Note that SSL_OP_DISABLE_NPN is used to disable NPN if | 
| -    // ssl_config_.next_proto is empty. | 
| -    SSL_CTX_set_next_proto_select_cb(ssl_ctx_.get(), SelectNextProtoCallback, | 
| -                                     NULL); | 
| - | 
| -    // Disable the internal session cache. Session caching is handled | 
| -    // externally (i.e. by SSLClientSessionCacheOpenSSL). | 
| -    SSL_CTX_set_session_cache_mode( | 
| -        ssl_ctx_.get(), SSL_SESS_CACHE_CLIENT | SSL_SESS_CACHE_NO_INTERNAL); | 
| -    SSL_CTX_sess_set_new_cb(ssl_ctx_.get(), NewSessionCallback); | 
| - | 
| -    if (!SSL_CTX_add_client_custom_ext(ssl_ctx_.get(), kTbExtNum, | 
| -                                       &TokenBindingAddCallback, | 
| -                                       &TokenBindingFreeCallback, nullptr, | 
| -                                       &TokenBindingParseCallback, nullptr)) { | 
| -      NOTREACHED(); | 
| -    } | 
| -  } | 
| - | 
| -  static int TokenBindingAddCallback(SSL* ssl, | 
| -                                     unsigned int extension_value, | 
| -                                     const uint8_t** out, | 
| -                                     size_t* out_len, | 
| -                                     int* out_alert_value, | 
| -                                     void* add_arg) { | 
| -    DCHECK_EQ(extension_value, kTbExtNum); | 
| -    SSLClientSocketOpenSSL* socket = | 
| -        SSLClientSocketOpenSSL::SSLContext::GetInstance() | 
| -            ->GetClientSocketFromSSL(ssl); | 
| -    return socket->TokenBindingAdd(out, out_len, out_alert_value); | 
| -  } | 
| - | 
| -  static void TokenBindingFreeCallback(SSL* ssl, | 
| -                                       unsigned extension_value, | 
| -                                       const uint8_t* out, | 
| -                                       void* add_arg) { | 
| -    DCHECK_EQ(extension_value, kTbExtNum); | 
| -    OPENSSL_free(const_cast<unsigned char*>(out)); | 
| -  } | 
| - | 
| -  static int TokenBindingParseCallback(SSL* ssl, | 
| -                                       unsigned int extension_value, | 
| -                                       const uint8_t* contents, | 
| -                                       size_t contents_len, | 
| -                                       int* out_alert_value, | 
| -                                       void* parse_arg) { | 
| -    DCHECK_EQ(extension_value, kTbExtNum); | 
| -    SSLClientSocketOpenSSL* socket = | 
| -        SSLClientSocketOpenSSL::SSLContext::GetInstance() | 
| -            ->GetClientSocketFromSSL(ssl); | 
| -    return socket->TokenBindingParse(contents, contents_len, out_alert_value); | 
| -  } | 
| - | 
| -  static int ClientCertRequestCallback(SSL* ssl, void* arg) { | 
| -    SSLClientSocketOpenSSL* socket = GetInstance()->GetClientSocketFromSSL(ssl); | 
| -    DCHECK(socket); | 
| -    return socket->ClientCertRequestCallback(ssl); | 
| -  } | 
| - | 
| -  static int CertVerifyCallback(X509_STORE_CTX *store_ctx, void *arg) { | 
| -    SSL* ssl = reinterpret_cast<SSL*>(X509_STORE_CTX_get_ex_data( | 
| -        store_ctx, SSL_get_ex_data_X509_STORE_CTX_idx())); | 
| -    SSLClientSocketOpenSSL* socket = GetInstance()->GetClientSocketFromSSL(ssl); | 
| -    CHECK(socket); | 
| - | 
| -    return socket->CertVerifyCallback(store_ctx); | 
| -  } | 
| - | 
| -  static int SelectNextProtoCallback(SSL* ssl, | 
| -                                     unsigned char** out, unsigned char* outlen, | 
| -                                     const unsigned char* in, | 
| -                                     unsigned int inlen, void* arg) { | 
| -    SSLClientSocketOpenSSL* socket = GetInstance()->GetClientSocketFromSSL(ssl); | 
| -    return socket->SelectNextProtoCallback(out, outlen, in, inlen); | 
| -  } | 
| - | 
| -  static int NewSessionCallback(SSL* ssl, SSL_SESSION* session) { | 
| -    SSLClientSocketOpenSSL* socket = GetInstance()->GetClientSocketFromSSL(ssl); | 
| -    return socket->NewSessionCallback(session); | 
| -  } | 
| - | 
| -  static int PrivateKeyTypeCallback(SSL* ssl) { | 
| -    SSLClientSocketOpenSSL* socket = GetInstance()->GetClientSocketFromSSL(ssl); | 
| -    return socket->PrivateKeyTypeCallback(); | 
| -  } | 
| - | 
| -  static size_t PrivateKeyMaxSignatureLenCallback(SSL* ssl) { | 
| -    SSLClientSocketOpenSSL* socket = GetInstance()->GetClientSocketFromSSL(ssl); | 
| -    return socket->PrivateKeyMaxSignatureLenCallback(); | 
| -  } | 
| - | 
| -  static ssl_private_key_result_t PrivateKeySignCallback(SSL* ssl, | 
| -                                                         uint8_t* out, | 
| -                                                         size_t* out_len, | 
| -                                                         size_t max_out, | 
| -                                                         const EVP_MD* md, | 
| -                                                         const uint8_t* in, | 
| -                                                         size_t in_len) { | 
| -    SSLClientSocketOpenSSL* socket = GetInstance()->GetClientSocketFromSSL(ssl); | 
| -    return socket->PrivateKeySignCallback(out, out_len, max_out, md, in, | 
| -                                          in_len); | 
| -  } | 
| - | 
| -  static ssl_private_key_result_t PrivateKeySignCompleteCallback( | 
| -      SSL* ssl, | 
| -      uint8_t* out, | 
| -      size_t* out_len, | 
| -      size_t max_out) { | 
| -    SSLClientSocketOpenSSL* socket = GetInstance()->GetClientSocketFromSSL(ssl); | 
| -    return socket->PrivateKeySignCompleteCallback(out, out_len, max_out); | 
| -  } | 
| - | 
| -#if !defined(OS_NACL) | 
| -  static void KeyLogCallback(const SSL* ssl, const char* line) { | 
| -    GetInstance()->ssl_key_logger_->WriteLine(line); | 
| -  } | 
| -#endif | 
| - | 
| -  // This is the index used with SSL_get_ex_data to retrieve the owner | 
| -  // SSLClientSocketOpenSSL object from an SSL instance. | 
| -  int ssl_socket_data_index_; | 
| - | 
| -  ScopedSSL_CTX ssl_ctx_; | 
| - | 
| -#if !defined(OS_NACL) | 
| -  std::unique_ptr<SSLKeyLogger> ssl_key_logger_; | 
| -#endif | 
| - | 
| -  // TODO(davidben): Use a separate cache per URLRequestContext. | 
| -  // https://crbug.com/458365 | 
| -  // | 
| -  // TODO(davidben): Sessions should be invalidated on fatal | 
| -  // alerts. https://crbug.com/466352 | 
| -  SSLClientSessionCacheOpenSSL session_cache_; | 
| -}; | 
| - | 
| -const SSL_PRIVATE_KEY_METHOD | 
| -    SSLClientSocketOpenSSL::SSLContext::kPrivateKeyMethod = { | 
| -        &SSLClientSocketOpenSSL::SSLContext::PrivateKeyTypeCallback, | 
| -        &SSLClientSocketOpenSSL::SSLContext::PrivateKeyMaxSignatureLenCallback, | 
| -        &SSLClientSocketOpenSSL::SSLContext::PrivateKeySignCallback, | 
| -        &SSLClientSocketOpenSSL::SSLContext::PrivateKeySignCompleteCallback, | 
| -}; | 
| - | 
| -// PeerCertificateChain is a helper object which extracts the certificate | 
| -// chain, as given by the server, from an OpenSSL socket and performs the needed | 
| -// resource management. The first element of the chain is the leaf certificate | 
| -// and the other elements are in the order given by the server. | 
| -class SSLClientSocketOpenSSL::PeerCertificateChain { | 
| - public: | 
| -  explicit PeerCertificateChain(STACK_OF(X509)* chain) { Reset(chain); } | 
| -  PeerCertificateChain(const PeerCertificateChain& other) { *this = other; } | 
| -  ~PeerCertificateChain() {} | 
| -  PeerCertificateChain& operator=(const PeerCertificateChain& other); | 
| - | 
| -  // Resets the PeerCertificateChain to the set of certificates in|chain|, | 
| -  // which may be NULL, indicating to empty the store certificates. | 
| -  // Note: If an error occurs, such as being unable to parse the certificates, | 
| -  // this will behave as if Reset(NULL) was called. | 
| -  void Reset(STACK_OF(X509)* chain); | 
| - | 
| -  // Note that when USE_OPENSSL_CERTS is defined, OSCertHandle is X509* | 
| -  scoped_refptr<X509Certificate> AsOSChain() const; | 
| - | 
| -  size_t size() const { | 
| -    if (!openssl_chain_.get()) | 
| -      return 0; | 
| -    return sk_X509_num(openssl_chain_.get()); | 
| -  } | 
| - | 
| -  bool empty() const { | 
| -    return size() == 0; | 
| -  } | 
| - | 
| -  X509* Get(size_t index) const { | 
| -    DCHECK_LT(index, size()); | 
| -    return sk_X509_value(openssl_chain_.get(), index); | 
| -  } | 
| - | 
| - private: | 
| -  ScopedX509Stack openssl_chain_; | 
| -}; | 
| - | 
| -SSLClientSocketOpenSSL::PeerCertificateChain& | 
| -SSLClientSocketOpenSSL::PeerCertificateChain::operator=( | 
| -    const PeerCertificateChain& other) { | 
| -  if (this == &other) | 
| -    return *this; | 
| - | 
| -  openssl_chain_.reset(X509_chain_up_ref(other.openssl_chain_.get())); | 
| -  return *this; | 
| -} | 
| - | 
| -void SSLClientSocketOpenSSL::PeerCertificateChain::Reset( | 
| -    STACK_OF(X509)* chain) { | 
| -  openssl_chain_.reset(chain ? X509_chain_up_ref(chain) : NULL); | 
| -} | 
| - | 
| -scoped_refptr<X509Certificate> | 
| -SSLClientSocketOpenSSL::PeerCertificateChain::AsOSChain() const { | 
| -#if defined(USE_OPENSSL_CERTS) | 
| -  // When OSCertHandle is typedef'ed to X509, this implementation does a short | 
| -  // cut to avoid converting back and forth between DER and the X509 struct. | 
| -  X509Certificate::OSCertHandles intermediates; | 
| -  for (size_t i = 1; i < sk_X509_num(openssl_chain_.get()); ++i) { | 
| -    intermediates.push_back(sk_X509_value(openssl_chain_.get(), i)); | 
| -  } | 
| - | 
| -  return X509Certificate::CreateFromHandle( | 
| -      sk_X509_value(openssl_chain_.get(), 0), intermediates); | 
| -#else | 
| -  // DER-encode the chain and convert to a platform certificate handle. | 
| -  std::vector<base::StringPiece> der_chain; | 
| -  for (size_t i = 0; i < sk_X509_num(openssl_chain_.get()); ++i) { | 
| -    X509* x = sk_X509_value(openssl_chain_.get(), i); | 
| -    base::StringPiece der; | 
| -    if (!x509_util::GetDER(x, &der)) | 
| -      return NULL; | 
| -    der_chain.push_back(der); | 
| -  } | 
| - | 
| -  return X509Certificate::CreateFromDERCertChain(der_chain); | 
| -#endif | 
| -} | 
| - | 
| -// static | 
| -void SSLClientSocket::ClearSessionCache() { | 
| -  SSLClientSocketOpenSSL::SSLContext* context = | 
| -      SSLClientSocketOpenSSL::SSLContext::GetInstance(); | 
| -  context->session_cache()->Flush(); | 
| -} | 
| - | 
| -SSLClientSocketOpenSSL::SSLClientSocketOpenSSL( | 
| -    std::unique_ptr<ClientSocketHandle> transport_socket, | 
| -    const HostPortPair& host_and_port, | 
| -    const SSLConfig& ssl_config, | 
| -    const SSLClientSocketContext& context) | 
| -    : transport_send_busy_(false), | 
| -      transport_recv_busy_(false), | 
| -      pending_read_error_(kNoPendingResult), | 
| -      pending_read_ssl_error_(SSL_ERROR_NONE), | 
| -      transport_read_error_(OK), | 
| -      transport_write_error_(OK), | 
| -      server_cert_chain_(new PeerCertificateChain(NULL)), | 
| -      completed_connect_(false), | 
| -      was_ever_used_(false), | 
| -      cert_verifier_(context.cert_verifier), | 
| -      cert_transparency_verifier_(context.cert_transparency_verifier), | 
| -      channel_id_service_(context.channel_id_service), | 
| -      tb_was_negotiated_(false), | 
| -      tb_negotiated_param_(TB_PARAM_ECDSAP256), | 
| -      tb_signed_ekm_map_(10), | 
| -      ssl_(NULL), | 
| -      transport_bio_(NULL), | 
| -      transport_(std::move(transport_socket)), | 
| -      host_and_port_(host_and_port), | 
| -      ssl_config_(ssl_config), | 
| -      ssl_session_cache_shard_(context.ssl_session_cache_shard), | 
| -      next_handshake_state_(STATE_NONE), | 
| -      disconnected_(false), | 
| -      npn_status_(kNextProtoUnsupported), | 
| -      channel_id_sent_(false), | 
| -      session_pending_(false), | 
| -      certificate_verified_(false), | 
| -      ssl_failure_state_(SSL_FAILURE_NONE), | 
| -      signature_result_(kNoPendingResult), | 
| -      transport_security_state_(context.transport_security_state), | 
| -      policy_enforcer_(context.ct_policy_enforcer), | 
| -      net_log_(transport_->socket()->NetLog()), | 
| -      weak_factory_(this) { | 
| -  DCHECK(cert_verifier_); | 
| -} | 
| - | 
| -SSLClientSocketOpenSSL::~SSLClientSocketOpenSSL() { | 
| -  Disconnect(); | 
| -} | 
| - | 
| -#if !defined(OS_NACL) | 
| -void SSLClientSocketOpenSSL::SetSSLKeyLogFile( | 
| -    const base::FilePath& ssl_keylog_file, | 
| -    const scoped_refptr<base::SequencedTaskRunner>& task_runner) { | 
| -  SSLContext::GetInstance()->SetSSLKeyLogFile(ssl_keylog_file, task_runner); | 
| -} | 
| -#endif | 
| - | 
| -void SSLClientSocketOpenSSL::GetSSLCertRequestInfo( | 
| -    SSLCertRequestInfo* cert_request_info) { | 
| -  cert_request_info->host_and_port = host_and_port_; | 
| -  cert_request_info->cert_authorities = cert_authorities_; | 
| -  cert_request_info->cert_key_types = cert_key_types_; | 
| -} | 
| - | 
| -SSLClientSocket::NextProtoStatus SSLClientSocketOpenSSL::GetNextProto( | 
| -    std::string* proto) const { | 
| -  *proto = npn_proto_; | 
| -  return npn_status_; | 
| -} | 
| - | 
| -ChannelIDService* | 
| -SSLClientSocketOpenSSL::GetChannelIDService() const { | 
| -  return channel_id_service_; | 
| -} | 
| - | 
| -Error SSLClientSocketOpenSSL::GetSignedEKMForTokenBinding( | 
| -    crypto::ECPrivateKey* key, | 
| -    std::vector<uint8_t>* out) { | 
| -  // The same key will be used across multiple requests to sign the same value, | 
| -  // so the signature is cached. | 
| -  std::string raw_public_key; | 
| -  if (!key->ExportRawPublicKey(&raw_public_key)) | 
| -    return ERR_FAILED; | 
| -  SignedEkmMap::iterator it = tb_signed_ekm_map_.Get(raw_public_key); | 
| -  if (it != tb_signed_ekm_map_.end()) { | 
| -    *out = it->second; | 
| -    return OK; | 
| -  } | 
| - | 
| -  uint8_t tb_ekm_buf[32]; | 
| -  static const char kTokenBindingExporterLabel[] = "EXPORTER-Token-Binding"; | 
| -  if (!SSL_export_keying_material(ssl_, tb_ekm_buf, sizeof(tb_ekm_buf), | 
| -                                  kTokenBindingExporterLabel, | 
| -                                  strlen(kTokenBindingExporterLabel), nullptr, | 
| -                                  0, false /* no context */)) { | 
| -    return ERR_FAILED; | 
| -  } | 
| - | 
| -  if (!SignTokenBindingEkm( | 
| -          base::StringPiece(reinterpret_cast<char*>(tb_ekm_buf), | 
| -                            sizeof(tb_ekm_buf)), | 
| -          key, out)) | 
| -    return ERR_FAILED; | 
| - | 
| -  tb_signed_ekm_map_.Put(raw_public_key, *out); | 
| -  return OK; | 
| -} | 
| - | 
| -crypto::ECPrivateKey* SSLClientSocketOpenSSL::GetChannelIDKey() const { | 
| -  return channel_id_key_.get(); | 
| -} | 
| - | 
| -SSLFailureState SSLClientSocketOpenSSL::GetSSLFailureState() const { | 
| -  return ssl_failure_state_; | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::ExportKeyingMaterial( | 
| -    const base::StringPiece& label, | 
| -    bool has_context, const base::StringPiece& context, | 
| -    unsigned char* out, unsigned int outlen) { | 
| -  if (!IsConnected()) | 
| -    return ERR_SOCKET_NOT_CONNECTED; | 
| - | 
| -  crypto::OpenSSLErrStackTracer err_tracer(FROM_HERE); | 
| - | 
| -  int rv = SSL_export_keying_material( | 
| -      ssl_, out, outlen, label.data(), label.size(), | 
| -      reinterpret_cast<const unsigned char*>(context.data()), context.length(), | 
| -      has_context ? 1 : 0); | 
| - | 
| -  if (rv != 1) { | 
| -    int ssl_error = SSL_get_error(ssl_, rv); | 
| -    LOG(ERROR) << "Failed to export keying material;" | 
| -               << " returned " << rv | 
| -               << ", SSL error code " << ssl_error; | 
| -    return MapOpenSSLError(ssl_error, err_tracer); | 
| -  } | 
| -  return OK; | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::Connect(const CompletionCallback& callback) { | 
| -  // It is an error to create an SSLClientSocket whose context has no | 
| -  // TransportSecurityState. | 
| -  DCHECK(transport_security_state_); | 
| - | 
| -  // Although StreamSocket does allow calling Connect() after Disconnect(), | 
| -  // this has never worked for layered sockets. CHECK to detect any consumers | 
| -  // reconnecting an SSL socket. | 
| -  // | 
| -  // TODO(davidben,mmenke): Remove this API feature. See | 
| -  // https://crbug.com/499289. | 
| -  CHECK(!disconnected_); | 
| - | 
| -  net_log_.BeginEvent(NetLog::TYPE_SSL_CONNECT); | 
| - | 
| -  // Set up new ssl object. | 
| -  int rv = Init(); | 
| -  if (rv != OK) { | 
| -    net_log_.EndEventWithNetErrorCode(NetLog::TYPE_SSL_CONNECT, rv); | 
| -    return rv; | 
| -  } | 
| - | 
| -  // Set SSL to client mode. Handshake happens in the loop below. | 
| -  SSL_set_connect_state(ssl_); | 
| - | 
| -  GotoState(STATE_HANDSHAKE); | 
| -  rv = DoHandshakeLoop(OK); | 
| -  if (rv == ERR_IO_PENDING) { | 
| -    user_connect_callback_ = callback; | 
| -  } else { | 
| -    net_log_.EndEventWithNetErrorCode(NetLog::TYPE_SSL_CONNECT, rv); | 
| -  } | 
| - | 
| -  return rv > OK ? OK : rv; | 
| -} | 
| - | 
| -void SSLClientSocketOpenSSL::Disconnect() { | 
| -  crypto::OpenSSLErrStackTracer tracer(FROM_HERE); | 
| - | 
| -  if (ssl_) { | 
| -    // Calling SSL_shutdown prevents the session from being marked as | 
| -    // unresumable. | 
| -    SSL_shutdown(ssl_); | 
| -    SSL_free(ssl_); | 
| -    ssl_ = NULL; | 
| -  } | 
| -  if (transport_bio_) { | 
| -    BIO_free_all(transport_bio_); | 
| -    transport_bio_ = NULL; | 
| -  } | 
| - | 
| -  disconnected_ = true; | 
| - | 
| -  // Shut down anything that may call us back. | 
| -  cert_verifier_request_.reset(); | 
| -  transport_->socket()->Disconnect(); | 
| - | 
| -  // Null all callbacks, delete all buffers. | 
| -  transport_send_busy_ = false; | 
| -  send_buffer_ = NULL; | 
| -  transport_recv_busy_ = false; | 
| -  recv_buffer_ = NULL; | 
| - | 
| -  user_connect_callback_.Reset(); | 
| -  user_read_callback_.Reset(); | 
| -  user_write_callback_.Reset(); | 
| -  user_read_buf_         = NULL; | 
| -  user_read_buf_len_     = 0; | 
| -  user_write_buf_        = NULL; | 
| -  user_write_buf_len_    = 0; | 
| - | 
| -  pending_read_error_ = kNoPendingResult; | 
| -  pending_read_ssl_error_ = SSL_ERROR_NONE; | 
| -  pending_read_error_info_ = OpenSSLErrorInfo(); | 
| - | 
| -  transport_read_error_ = OK; | 
| -  transport_write_error_ = OK; | 
| - | 
| -  server_cert_verify_result_.Reset(); | 
| -  completed_connect_ = false; | 
| - | 
| -  cert_authorities_.clear(); | 
| -  cert_key_types_.clear(); | 
| - | 
| -  start_cert_verification_time_ = base::TimeTicks(); | 
| - | 
| -  npn_status_ = kNextProtoUnsupported; | 
| -  npn_proto_.clear(); | 
| - | 
| -  channel_id_sent_ = false; | 
| -  tb_was_negotiated_ = false; | 
| -  session_pending_ = false; | 
| -  certificate_verified_ = false; | 
| -  channel_id_request_.Cancel(); | 
| -  ssl_failure_state_ = SSL_FAILURE_NONE; | 
| - | 
| -  signature_result_ = kNoPendingResult; | 
| -  signature_.clear(); | 
| -} | 
| - | 
| -bool SSLClientSocketOpenSSL::IsConnected() const { | 
| -  // If the handshake has not yet completed. | 
| -  if (!completed_connect_) | 
| -    return false; | 
| -  // If an asynchronous operation is still pending. | 
| -  if (user_read_buf_.get() || user_write_buf_.get()) | 
| -    return true; | 
| - | 
| -  return transport_->socket()->IsConnected(); | 
| -} | 
| - | 
| -bool SSLClientSocketOpenSSL::IsConnectedAndIdle() const { | 
| -  // If the handshake has not yet completed. | 
| -  if (!completed_connect_) | 
| -    return false; | 
| -  // If an asynchronous operation is still pending. | 
| -  if (user_read_buf_.get() || user_write_buf_.get()) | 
| -    return false; | 
| - | 
| -  // If there is data read from the network that has not yet been consumed, do | 
| -  // not treat the connection as idle. | 
| -  // | 
| -  // Note that this does not check |BIO_pending|, whether there is ciphertext | 
| -  // that has not yet been flushed to the network. |Write| returns early, so | 
| -  // this can cause race conditions which cause a socket to not be treated | 
| -  // reusable when it should be. See https://crbug.com/466147. | 
| -  if (BIO_wpending(transport_bio_) > 0) | 
| -    return false; | 
| - | 
| -  return transport_->socket()->IsConnectedAndIdle(); | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::GetPeerAddress(IPEndPoint* addressList) const { | 
| -  return transport_->socket()->GetPeerAddress(addressList); | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::GetLocalAddress(IPEndPoint* addressList) const { | 
| -  return transport_->socket()->GetLocalAddress(addressList); | 
| -} | 
| - | 
| -const BoundNetLog& SSLClientSocketOpenSSL::NetLog() const { | 
| -  return net_log_; | 
| -} | 
| - | 
| -void SSLClientSocketOpenSSL::SetSubresourceSpeculation() { | 
| -  if (transport_.get() && transport_->socket()) { | 
| -    transport_->socket()->SetSubresourceSpeculation(); | 
| -  } else { | 
| -    NOTREACHED(); | 
| -  } | 
| -} | 
| - | 
| -void SSLClientSocketOpenSSL::SetOmniboxSpeculation() { | 
| -  if (transport_.get() && transport_->socket()) { | 
| -    transport_->socket()->SetOmniboxSpeculation(); | 
| -  } else { | 
| -    NOTREACHED(); | 
| -  } | 
| -} | 
| - | 
| -bool SSLClientSocketOpenSSL::WasEverUsed() const { | 
| -  return was_ever_used_; | 
| -} | 
| - | 
| -bool SSLClientSocketOpenSSL::GetSSLInfo(SSLInfo* ssl_info) { | 
| -  ssl_info->Reset(); | 
| -  if (server_cert_chain_->empty()) | 
| -    return false; | 
| - | 
| -  ssl_info->cert = server_cert_verify_result_.verified_cert; | 
| -  ssl_info->unverified_cert = server_cert_; | 
| -  ssl_info->cert_status = server_cert_verify_result_.cert_status; | 
| -  ssl_info->is_issued_by_known_root = | 
| -      server_cert_verify_result_.is_issued_by_known_root; | 
| -  ssl_info->public_key_hashes = | 
| -    server_cert_verify_result_.public_key_hashes; | 
| -  ssl_info->client_cert_sent = | 
| -      ssl_config_.send_client_cert && ssl_config_.client_cert.get(); | 
| -  ssl_info->channel_id_sent = channel_id_sent_; | 
| -  ssl_info->token_binding_negotiated = tb_was_negotiated_; | 
| -  ssl_info->token_binding_key_param = tb_negotiated_param_; | 
| -  ssl_info->pinning_failure_log = pinning_failure_log_; | 
| - | 
| -  AddCTInfoToSSLInfo(ssl_info); | 
| - | 
| -  const SSL_CIPHER* cipher = SSL_get_current_cipher(ssl_); | 
| -  CHECK(cipher); | 
| -  ssl_info->security_bits = SSL_CIPHER_get_bits(cipher, NULL); | 
| -  ssl_info->key_exchange_info = | 
| -      SSL_SESSION_get_key_exchange_info(SSL_get_session(ssl_)); | 
| - | 
| -  SSLConnectionStatusSetCipherSuite( | 
| -      static_cast<uint16_t>(SSL_CIPHER_get_id(cipher)), | 
| -      &ssl_info->connection_status); | 
| -  SSLConnectionStatusSetVersion(GetNetSSLVersion(ssl_), | 
| -                                &ssl_info->connection_status); | 
| - | 
| -  if (!SSL_get_secure_renegotiation_support(ssl_)) | 
| -    ssl_info->connection_status |= SSL_CONNECTION_NO_RENEGOTIATION_EXTENSION; | 
| - | 
| -  if (ssl_config_.version_fallback) | 
| -    ssl_info->connection_status |= SSL_CONNECTION_VERSION_FALLBACK; | 
| - | 
| -  ssl_info->handshake_type = SSL_session_reused(ssl_) ? | 
| -      SSLInfo::HANDSHAKE_RESUME : SSLInfo::HANDSHAKE_FULL; | 
| - | 
| -  DVLOG(3) << "Encoded connection status: cipher suite = " | 
| -      << SSLConnectionStatusToCipherSuite(ssl_info->connection_status) | 
| -      << " version = " | 
| -      << SSLConnectionStatusToVersion(ssl_info->connection_status); | 
| -  return true; | 
| -} | 
| - | 
| -void SSLClientSocketOpenSSL::GetConnectionAttempts( | 
| -    ConnectionAttempts* out) const { | 
| -  out->clear(); | 
| -} | 
| - | 
| -int64_t SSLClientSocketOpenSSL::GetTotalReceivedBytes() const { | 
| -  return transport_->socket()->GetTotalReceivedBytes(); | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::Read(IOBuffer* buf, | 
| -                                 int buf_len, | 
| -                                 const CompletionCallback& callback) { | 
| -  user_read_buf_ = buf; | 
| -  user_read_buf_len_ = buf_len; | 
| - | 
| -  int rv = DoReadLoop(); | 
| - | 
| -  if (rv == ERR_IO_PENDING) { | 
| -    user_read_callback_ = callback; | 
| -  } else { | 
| -    if (rv > 0) | 
| -      was_ever_used_ = true; | 
| -    user_read_buf_ = NULL; | 
| -    user_read_buf_len_ = 0; | 
| -  } | 
| - | 
| -  return rv; | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::Write(IOBuffer* buf, | 
| -                                  int buf_len, | 
| -                                  const CompletionCallback& callback) { | 
| -  user_write_buf_ = buf; | 
| -  user_write_buf_len_ = buf_len; | 
| - | 
| -  int rv = DoWriteLoop(); | 
| - | 
| -  if (rv == ERR_IO_PENDING) { | 
| -    user_write_callback_ = callback; | 
| -  } else { | 
| -    if (rv > 0) | 
| -      was_ever_used_ = true; | 
| -    user_write_buf_ = NULL; | 
| -    user_write_buf_len_ = 0; | 
| -  } | 
| - | 
| -  return rv; | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::SetReceiveBufferSize(int32_t size) { | 
| -  return transport_->socket()->SetReceiveBufferSize(size); | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::SetSendBufferSize(int32_t size) { | 
| -  return transport_->socket()->SetSendBufferSize(size); | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::Init() { | 
| -  DCHECK(!ssl_); | 
| -  DCHECK(!transport_bio_); | 
| - | 
| -#if defined(USE_NSS_CERTS) | 
| -  if (ssl_config_.cert_io_enabled) { | 
| -    // TODO(davidben): Move this out of SSLClientSocket. See | 
| -    // https://crbug.com/539520. | 
| -    EnsureNSSHttpIOInit(); | 
| -  } | 
| -#endif | 
| - | 
| -  SSLContext* context = SSLContext::GetInstance(); | 
| -  crypto::OpenSSLErrStackTracer err_tracer(FROM_HERE); | 
| - | 
| -  ssl_ = SSL_new(context->ssl_ctx()); | 
| -  if (!ssl_ || !context->SetClientSocketForSSL(ssl_, this)) | 
| -    return ERR_UNEXPECTED; | 
| - | 
| -  // SNI should only contain valid DNS hostnames, not IP addresses (see RFC | 
| -  // 6066, Section 3). | 
| -  // | 
| -  // TODO(rsleevi): Should this code allow hostnames that violate the LDH rule? | 
| -  // See https://crbug.com/496472 and https://crbug.com/496468 for discussion. | 
| -  IPAddress unused; | 
| -  if (!unused.AssignFromIPLiteral(host_and_port_.host()) && | 
| -      !SSL_set_tlsext_host_name(ssl_, host_and_port_.host().c_str())) { | 
| -    return ERR_UNEXPECTED; | 
| -  } | 
| - | 
| -  ScopedSSL_SESSION session = | 
| -      context->session_cache()->Lookup(GetSessionCacheKey()); | 
| -  if (session) | 
| -    SSL_set_session(ssl_, session.get()); | 
| - | 
| -  send_buffer_ = new GrowableIOBuffer(); | 
| -  send_buffer_->SetCapacity(KDefaultOpenSSLBufferSize); | 
| -  recv_buffer_ = new GrowableIOBuffer(); | 
| -  recv_buffer_->SetCapacity(KDefaultOpenSSLBufferSize); | 
| - | 
| -  BIO* ssl_bio = NULL; | 
| - | 
| -  // SSLClientSocketOpenSSL retains ownership of the BIO buffers. | 
| -  if (!BIO_new_bio_pair_external_buf( | 
| -          &ssl_bio, send_buffer_->capacity(), | 
| -          reinterpret_cast<uint8_t*>(send_buffer_->data()), &transport_bio_, | 
| -          recv_buffer_->capacity(), | 
| -          reinterpret_cast<uint8_t*>(recv_buffer_->data()))) | 
| -    return ERR_UNEXPECTED; | 
| -  DCHECK(ssl_bio); | 
| -  DCHECK(transport_bio_); | 
| - | 
| -  // Install a callback on OpenSSL's end to plumb transport errors through. | 
| -  BIO_set_callback(ssl_bio, &SSLClientSocketOpenSSL::BIOCallback); | 
| -  BIO_set_callback_arg(ssl_bio, reinterpret_cast<char*>(this)); | 
| - | 
| -  SSL_set_bio(ssl_, ssl_bio, ssl_bio); | 
| - | 
| -  DCHECK_LT(SSL3_VERSION, ssl_config_.version_min); | 
| -  DCHECK_LT(SSL3_VERSION, ssl_config_.version_max); | 
| -  SSL_set_min_version(ssl_, ssl_config_.version_min); | 
| -  SSL_set_max_version(ssl_, ssl_config_.version_max); | 
| - | 
| -  // OpenSSL defaults some options to on, others to off. To avoid ambiguity, | 
| -  // set everything we care about to an absolute value. | 
| -  SslSetClearMask options; | 
| -  options.ConfigureFlag(SSL_OP_NO_COMPRESSION, true); | 
| - | 
| -  // TODO(joth): Set this conditionally, see http://crbug.com/55410 | 
| -  options.ConfigureFlag(SSL_OP_LEGACY_SERVER_CONNECT, true); | 
| - | 
| -  SSL_set_options(ssl_, options.set_mask); | 
| -  SSL_clear_options(ssl_, options.clear_mask); | 
| - | 
| -  // Same as above, this time for the SSL mode. | 
| -  SslSetClearMask mode; | 
| - | 
| -  mode.ConfigureFlag(SSL_MODE_RELEASE_BUFFERS, true); | 
| -  mode.ConfigureFlag(SSL_MODE_CBC_RECORD_SPLITTING, true); | 
| - | 
| -  mode.ConfigureFlag(SSL_MODE_ENABLE_FALSE_START, | 
| -                     ssl_config_.false_start_enabled); | 
| - | 
| -  mode.ConfigureFlag(SSL_MODE_SEND_FALLBACK_SCSV, ssl_config_.version_fallback); | 
| - | 
| -  SSL_set_mode(ssl_, mode.set_mask); | 
| -  SSL_clear_mode(ssl_, mode.clear_mask); | 
| - | 
| -  // Use BoringSSL defaults, but disable HMAC-SHA256 and HMAC-SHA384 ciphers | 
| -  // (note that SHA256 and SHA384 only select legacy CBC ciphers). Also disable | 
| -  // DHE_RSA_WITH_AES_256_GCM_SHA384. Historically, AES_256_GCM was not | 
| -  // supported. As DHE is being deprecated, don't add a cipher only to remove it | 
| -  // immediately. | 
| -  std::string command( | 
| -      "DEFAULT:!SHA256:!SHA384:!DHE-RSA-AES256-GCM-SHA384:!aPSK"); | 
| - | 
| -  if (ssl_config_.require_ecdhe) | 
| -    command.append(":!kRSA:!kDHE"); | 
| - | 
| -  if (!(ssl_config_.rc4_enabled && | 
| -        ssl_config_.deprecated_cipher_suites_enabled)) { | 
| -    command.append(":!RC4"); | 
| -  } | 
| - | 
| -  if (!ssl_config_.deprecated_cipher_suites_enabled) { | 
| -    // Only offer DHE on the second handshake. https://crbug.com/538690 | 
| -    command.append(":!kDHE"); | 
| -  } | 
| - | 
| -  // Remove any disabled ciphers. | 
| -  for (uint16_t id : ssl_config_.disabled_cipher_suites) { | 
| -    const SSL_CIPHER* cipher = SSL_get_cipher_by_value(id); | 
| -    if (cipher) { | 
| -      command.append(":!"); | 
| -      command.append(SSL_CIPHER_get_name(cipher)); | 
| -    } | 
| -  } | 
| - | 
| -  int rv = SSL_set_cipher_list(ssl_, command.c_str()); | 
| -  // If this fails (rv = 0) it means there are no ciphers enabled on this SSL. | 
| -  // This will almost certainly result in the socket failing to complete the | 
| -  // handshake at which point the appropriate error is bubbled up to the client. | 
| -  LOG_IF(WARNING, rv != 1) << "SSL_set_cipher_list('" << command << "') " | 
| -                              "returned " << rv; | 
| - | 
| -  // TLS channel ids. | 
| -  if (IsChannelIDEnabled(ssl_config_, channel_id_service_)) { | 
| -    SSL_enable_tls_channel_id(ssl_); | 
| -  } | 
| - | 
| -  if (!ssl_config_.alpn_protos.empty()) { | 
| -    // Get list of ciphers that are enabled. | 
| -    STACK_OF(SSL_CIPHER)* enabled_ciphers = SSL_get_ciphers(ssl_); | 
| -    DCHECK(enabled_ciphers); | 
| -    std::vector<uint16_t> enabled_ciphers_vector; | 
| -    for (size_t i = 0; i < sk_SSL_CIPHER_num(enabled_ciphers); ++i) { | 
| -      const SSL_CIPHER* cipher = sk_SSL_CIPHER_value(enabled_ciphers, i); | 
| -      const uint16_t id = static_cast<uint16_t>(SSL_CIPHER_get_id(cipher)); | 
| -      enabled_ciphers_vector.push_back(id); | 
| -    } | 
| - | 
| -    NextProtoVector alpn_protos = ssl_config_.alpn_protos; | 
| -    if (!HasCipherAdequateForHTTP2(enabled_ciphers_vector) || | 
| -        !IsTLSVersionAdequateForHTTP2(ssl_config_)) { | 
| -      DisableHTTP2(&alpn_protos); | 
| -    } | 
| -    std::vector<uint8_t> wire_protos = SerializeNextProtos(alpn_protos); | 
| -    SSL_set_alpn_protos(ssl_, wire_protos.empty() ? NULL : &wire_protos[0], | 
| -                        wire_protos.size()); | 
| -  } | 
| - | 
| -  if (ssl_config_.npn_protos.empty()) | 
| -    SSL_set_options(ssl_, SSL_OP_DISABLE_NPN); | 
| - | 
| -  if (ssl_config_.signed_cert_timestamps_enabled) { | 
| -    SSL_enable_signed_cert_timestamps(ssl_); | 
| -    SSL_enable_ocsp_stapling(ssl_); | 
| -  } | 
| - | 
| -  if (cert_verifier_->SupportsOCSPStapling()) | 
| -    SSL_enable_ocsp_stapling(ssl_); | 
| - | 
| -  return OK; | 
| -} | 
| - | 
| -void SSLClientSocketOpenSSL::DoReadCallback(int rv) { | 
| -  // Since Run may result in Read being called, clear |user_read_callback_| | 
| -  // up front. | 
| -  if (rv > 0) | 
| -    was_ever_used_ = true; | 
| -  user_read_buf_ = NULL; | 
| -  user_read_buf_len_ = 0; | 
| -  base::ResetAndReturn(&user_read_callback_).Run(rv); | 
| -} | 
| - | 
| -void SSLClientSocketOpenSSL::DoWriteCallback(int rv) { | 
| -  // Since Run may result in Write being called, clear |user_write_callback_| | 
| -  // up front. | 
| -  if (rv > 0) | 
| -    was_ever_used_ = true; | 
| -  user_write_buf_ = NULL; | 
| -  user_write_buf_len_ = 0; | 
| -  base::ResetAndReturn(&user_write_callback_).Run(rv); | 
| -} | 
| - | 
| -bool SSLClientSocketOpenSSL::DoTransportIO() { | 
| -  bool network_moved = false; | 
| -  int rv; | 
| -  // Read and write as much data as possible. The loop is necessary because | 
| -  // Write() may return synchronously. | 
| -  do { | 
| -    rv = BufferSend(); | 
| -    if (rv != ERR_IO_PENDING && rv != 0) | 
| -      network_moved = true; | 
| -  } while (rv > 0); | 
| -  if (transport_read_error_ == OK && BufferRecv() != ERR_IO_PENDING) | 
| -    network_moved = true; | 
| -  return network_moved; | 
| -} | 
| - | 
| -// TODO(cbentzel): Remove including "base/threading/thread_local.h" and | 
| -// g_first_run_completed once crbug.com/424386 is fixed. | 
| -base::LazyInstance<base::ThreadLocalBoolean>::Leaky g_first_run_completed = | 
| -    LAZY_INSTANCE_INITIALIZER; | 
| - | 
| -int SSLClientSocketOpenSSL::DoHandshake() { | 
| -  crypto::OpenSSLErrStackTracer err_tracer(FROM_HERE); | 
| - | 
| -  int rv; | 
| - | 
| -  // TODO(cbentzel): Leave only 1 call to SSL_do_handshake once crbug.com/424386 | 
| -  // is fixed. | 
| -  if (ssl_config_.send_client_cert && ssl_config_.client_cert.get()) { | 
| -    rv = SSL_do_handshake(ssl_); | 
| -  } else { | 
| -    if (g_first_run_completed.Get().Get()) { | 
| -      // TODO(cbentzel): Remove ScopedTracker below once crbug.com/424386 is | 
| -      // fixed. | 
| -      tracked_objects::ScopedTracker tracking_profile( | 
| -          FROM_HERE_WITH_EXPLICIT_FUNCTION("424386 SSL_do_handshake()")); | 
| - | 
| -      rv = SSL_do_handshake(ssl_); | 
| -    } else { | 
| -      g_first_run_completed.Get().Set(true); | 
| -      rv = SSL_do_handshake(ssl_); | 
| -    } | 
| -  } | 
| - | 
| -  int net_error = OK; | 
| -  if (rv <= 0) { | 
| -    int ssl_error = SSL_get_error(ssl_, rv); | 
| -    if (ssl_error == SSL_ERROR_WANT_CHANNEL_ID_LOOKUP) { | 
| -      // The server supports channel ID. Stop to look one up before returning to | 
| -      // the handshake. | 
| -      GotoState(STATE_CHANNEL_ID_LOOKUP); | 
| -      return OK; | 
| -    } | 
| -    if (ssl_error == SSL_ERROR_WANT_X509_LOOKUP && | 
| -        !ssl_config_.send_client_cert) { | 
| -      return ERR_SSL_CLIENT_AUTH_CERT_NEEDED; | 
| -    } | 
| -    if (ssl_error == SSL_ERROR_WANT_PRIVATE_KEY_OPERATION) { | 
| -      DCHECK(ssl_config_.client_private_key); | 
| -      DCHECK_NE(kNoPendingResult, signature_result_); | 
| -      GotoState(STATE_HANDSHAKE); | 
| -      return ERR_IO_PENDING; | 
| -    } | 
| - | 
| -    OpenSSLErrorInfo error_info; | 
| -    net_error = MapOpenSSLErrorWithDetails(ssl_error, err_tracer, &error_info); | 
| -    if (net_error == ERR_IO_PENDING) { | 
| -      // If not done, stay in this state | 
| -      GotoState(STATE_HANDSHAKE); | 
| -      return ERR_IO_PENDING; | 
| -    } | 
| - | 
| -    LOG(ERROR) << "handshake failed; returned " << rv << ", SSL error code " | 
| -               << ssl_error << ", net_error " << net_error; | 
| -    net_log_.AddEvent( | 
| -        NetLog::TYPE_SSL_HANDSHAKE_ERROR, | 
| -        CreateNetLogOpenSSLErrorCallback(net_error, ssl_error, error_info)); | 
| - | 
| -    // Classify the handshake failure. This is used to determine causes of the | 
| -    // TLS version fallback. | 
| - | 
| -    // |cipher| is the current outgoing cipher suite, so it is non-null iff | 
| -    // ChangeCipherSpec was sent. | 
| -    const SSL_CIPHER* cipher = SSL_get_current_cipher(ssl_); | 
| -    if (SSL_get_state(ssl_) == SSL3_ST_CR_SRVR_HELLO_A) { | 
| -      ssl_failure_state_ = SSL_FAILURE_CLIENT_HELLO; | 
| -    } else if (cipher && (SSL_CIPHER_get_id(cipher) == | 
| -                              TLS1_CK_DHE_RSA_WITH_AES_128_GCM_SHA256 || | 
| -                          SSL_CIPHER_get_id(cipher) == | 
| -                              TLS1_CK_RSA_WITH_AES_128_GCM_SHA256)) { | 
| -      ssl_failure_state_ = SSL_FAILURE_BUGGY_GCM; | 
| -    } else if (cipher && ssl_config_.send_client_cert) { | 
| -      ssl_failure_state_ = SSL_FAILURE_CLIENT_AUTH; | 
| -    } else if (ERR_GET_LIB(error_info.error_code) == ERR_LIB_SSL && | 
| -               ERR_GET_REASON(error_info.error_code) == | 
| -                   SSL_R_OLD_SESSION_VERSION_NOT_RETURNED) { | 
| -      ssl_failure_state_ = SSL_FAILURE_SESSION_MISMATCH; | 
| -    } else if (cipher && npn_status_ != kNextProtoUnsupported) { | 
| -      ssl_failure_state_ = SSL_FAILURE_NEXT_PROTO; | 
| -    } else { | 
| -      ssl_failure_state_ = SSL_FAILURE_UNKNOWN; | 
| -    } | 
| -  } | 
| - | 
| -  GotoState(STATE_HANDSHAKE_COMPLETE); | 
| -  return net_error; | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::DoHandshakeComplete(int result) { | 
| -  if (result < 0) | 
| -    return result; | 
| - | 
| -  if (ssl_config_.version_fallback && | 
| -      ssl_config_.version_max < ssl_config_.version_fallback_min) { | 
| -    return ERR_SSL_FALLBACK_BEYOND_MINIMUM_VERSION; | 
| -  } | 
| - | 
| -  // Check that if token binding was negotiated, then extended master secret | 
| -  // must also be negotiated. | 
| -  if (tb_was_negotiated_ && !SSL_get_extms_support(ssl_)) | 
| -    return ERR_SSL_PROTOCOL_ERROR; | 
| - | 
| -  // SSL handshake is completed. If NPN wasn't negotiated, see if ALPN was. | 
| -  if (npn_status_ == kNextProtoUnsupported) { | 
| -    const uint8_t* alpn_proto = NULL; | 
| -    unsigned alpn_len = 0; | 
| -    SSL_get0_alpn_selected(ssl_, &alpn_proto, &alpn_len); | 
| -    if (alpn_len > 0) { | 
| -      npn_proto_.assign(reinterpret_cast<const char*>(alpn_proto), alpn_len); | 
| -      npn_status_ = kNextProtoNegotiated; | 
| -      set_negotiation_extension(kExtensionALPN); | 
| -    } | 
| -  } | 
| - | 
| -  RecordNegotiationExtension(); | 
| -  RecordChannelIDSupport(channel_id_service_, channel_id_sent_, | 
| -                         ssl_config_.channel_id_enabled); | 
| - | 
| -  // Only record OCSP histograms if OCSP was requested. | 
| -  if (ssl_config_.signed_cert_timestamps_enabled || | 
| -      cert_verifier_->SupportsOCSPStapling()) { | 
| -    const uint8_t* ocsp_response; | 
| -    size_t ocsp_response_len; | 
| -    SSL_get0_ocsp_response(ssl_, &ocsp_response, &ocsp_response_len); | 
| - | 
| -    set_stapled_ocsp_response_received(ocsp_response_len != 0); | 
| -    UMA_HISTOGRAM_BOOLEAN("Net.OCSPResponseStapled", ocsp_response_len != 0); | 
| -  } | 
| - | 
| -  const uint8_t* sct_list; | 
| -  size_t sct_list_len; | 
| -  SSL_get0_signed_cert_timestamp_list(ssl_, &sct_list, &sct_list_len); | 
| -  set_signed_cert_timestamps_received(sct_list_len != 0); | 
| - | 
| -  if (IsRenegotiationAllowed()) | 
| -    SSL_set_renegotiate_mode(ssl_, ssl_renegotiate_freely); | 
| - | 
| -  uint8_t server_key_exchange_hash = SSL_get_server_key_exchange_hash(ssl_); | 
| -  if (server_key_exchange_hash != TLSEXT_hash_none) { | 
| -    UMA_HISTOGRAM_SPARSE_SLOWLY("Net.SSLServerKeyExchangeHash", | 
| -                                server_key_exchange_hash); | 
| -  } | 
| - | 
| -  // Verify the certificate. | 
| -  UpdateServerCert(); | 
| -  GotoState(STATE_VERIFY_CERT); | 
| -  return OK; | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::DoChannelIDLookup() { | 
| -  NetLog::ParametersCallback callback = base::Bind( | 
| -      &NetLogChannelIDLookupCallback, base::Unretained(channel_id_service_)); | 
| -  net_log_.BeginEvent(NetLog::TYPE_SSL_GET_CHANNEL_ID, callback); | 
| -  GotoState(STATE_CHANNEL_ID_LOOKUP_COMPLETE); | 
| -  return channel_id_service_->GetOrCreateChannelID( | 
| -      host_and_port_.host(), &channel_id_key_, | 
| -      base::Bind(&SSLClientSocketOpenSSL::OnHandshakeIOComplete, | 
| -                 base::Unretained(this)), | 
| -      &channel_id_request_); | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::DoChannelIDLookupComplete(int result) { | 
| -  net_log_.EndEvent(NetLog::TYPE_SSL_GET_CHANNEL_ID, | 
| -                    base::Bind(&NetLogChannelIDLookupCompleteCallback, | 
| -                               channel_id_key_.get(), result)); | 
| -  if (result < 0) | 
| -    return result; | 
| - | 
| -  // Hand the key to OpenSSL. Check for error in case OpenSSL rejects the key | 
| -  // type. | 
| -  DCHECK(channel_id_key_); | 
| -  crypto::OpenSSLErrStackTracer err_tracer(FROM_HERE); | 
| -  int rv = SSL_set1_tls_channel_id(ssl_, channel_id_key_->key()); | 
| -  if (!rv) { | 
| -    LOG(ERROR) << "Failed to set Channel ID."; | 
| -    int err = SSL_get_error(ssl_, rv); | 
| -    return MapOpenSSLError(err, err_tracer); | 
| -  } | 
| - | 
| -  // Return to the handshake. | 
| -  channel_id_sent_ = true; | 
| -  GotoState(STATE_HANDSHAKE); | 
| -  return OK; | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::DoVerifyCert(int result) { | 
| -  DCHECK(!server_cert_chain_->empty()); | 
| -  DCHECK(start_cert_verification_time_.is_null()); | 
| - | 
| -  GotoState(STATE_VERIFY_CERT_COMPLETE); | 
| - | 
| -  // OpenSSL decoded the certificate, but the platform certificate | 
| -  // implementation could not. This is treated as a fatal SSL-level protocol | 
| -  // error rather than a certificate error. See https://crbug.com/91341. | 
| -  if (!server_cert_.get()) | 
| -    return ERR_SSL_SERVER_CERT_BAD_FORMAT; | 
| - | 
| -  // If the certificate is bad and has been previously accepted, use | 
| -  // the previous status and bypass the error. | 
| -  base::StringPiece der_cert; | 
| -  if (!x509_util::GetDER(server_cert_chain_->Get(0), &der_cert)) { | 
| -    NOTREACHED(); | 
| -    return ERR_CERT_INVALID; | 
| -  } | 
| -  CertStatus cert_status; | 
| -  if (ssl_config_.IsAllowedBadCert(der_cert, &cert_status)) { | 
| -    VLOG(1) << "Received an expected bad cert with status: " << cert_status; | 
| -    server_cert_verify_result_.Reset(); | 
| -    server_cert_verify_result_.cert_status = cert_status; | 
| -    server_cert_verify_result_.verified_cert = server_cert_; | 
| -    return OK; | 
| -  } | 
| - | 
| -  std::string ocsp_response; | 
| -  if (cert_verifier_->SupportsOCSPStapling()) { | 
| -    const uint8_t* ocsp_response_raw; | 
| -    size_t ocsp_response_len; | 
| -    SSL_get0_ocsp_response(ssl_, &ocsp_response_raw, &ocsp_response_len); | 
| -    ocsp_response.assign(reinterpret_cast<const char*>(ocsp_response_raw), | 
| -                         ocsp_response_len); | 
| -  } | 
| - | 
| -  start_cert_verification_time_ = base::TimeTicks::Now(); | 
| - | 
| -  return cert_verifier_->Verify( | 
| -      server_cert_.get(), host_and_port_.host(), ocsp_response, | 
| -      ssl_config_.GetCertVerifyFlags(), | 
| -      // TODO(davidben): Route the CRLSet through SSLConfig so | 
| -      // SSLClientSocket doesn't depend on SSLConfigService. | 
| -      SSLConfigService::GetCRLSet().get(), &server_cert_verify_result_, | 
| -      base::Bind(&SSLClientSocketOpenSSL::OnHandshakeIOComplete, | 
| -                 base::Unretained(this)), | 
| -      &cert_verifier_request_, net_log_); | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::DoVerifyCertComplete(int result) { | 
| -  cert_verifier_request_.reset(); | 
| - | 
| -  if (!start_cert_verification_time_.is_null()) { | 
| -    base::TimeDelta verify_time = | 
| -        base::TimeTicks::Now() - start_cert_verification_time_; | 
| -    if (result == OK) { | 
| -      UMA_HISTOGRAM_TIMES("Net.SSLCertVerificationTime", verify_time); | 
| -    } else { | 
| -      UMA_HISTOGRAM_TIMES("Net.SSLCertVerificationTimeError", verify_time); | 
| -    } | 
| -  } | 
| - | 
| -  const CertStatus cert_status = server_cert_verify_result_.cert_status; | 
| -  if (transport_security_state_ && | 
| -      (result == OK || | 
| -       (IsCertificateError(result) && IsCertStatusMinorError(cert_status))) && | 
| -      !transport_security_state_->CheckPublicKeyPins( | 
| -          host_and_port_, server_cert_verify_result_.is_issued_by_known_root, | 
| -          server_cert_verify_result_.public_key_hashes, server_cert_.get(), | 
| -          server_cert_verify_result_.verified_cert.get(), | 
| -          TransportSecurityState::ENABLE_PIN_REPORTS, &pinning_failure_log_)) { | 
| -    result = ERR_SSL_PINNED_KEY_NOT_IN_CERT_CHAIN; | 
| -  } | 
| - | 
| -  if (result == OK) { | 
| -    // Only check Certificate Transparency if there were no other errors with | 
| -    // the connection. | 
| -    VerifyCT(); | 
| - | 
| -    DCHECK(!certificate_verified_); | 
| -    certificate_verified_ = true; | 
| -    MaybeCacheSession(); | 
| -  } else { | 
| -    DVLOG(1) << "DoVerifyCertComplete error " << ErrorToString(result) | 
| -             << " (" << result << ")"; | 
| -  } | 
| - | 
| -  completed_connect_ = true; | 
| -  // Exit DoHandshakeLoop and return the result to the caller to Connect. | 
| -  DCHECK_EQ(STATE_NONE, next_handshake_state_); | 
| -  return result; | 
| -} | 
| - | 
| -void SSLClientSocketOpenSSL::DoConnectCallback(int rv) { | 
| -  if (!user_connect_callback_.is_null()) { | 
| -    CompletionCallback c = user_connect_callback_; | 
| -    user_connect_callback_.Reset(); | 
| -    c.Run(rv > OK ? OK : rv); | 
| -  } | 
| -} | 
| - | 
| -void SSLClientSocketOpenSSL::UpdateServerCert() { | 
| -  server_cert_chain_->Reset(SSL_get_peer_cert_chain(ssl_)); | 
| -  server_cert_ = server_cert_chain_->AsOSChain(); | 
| -  if (server_cert_.get()) { | 
| -    net_log_.AddEvent( | 
| -        NetLog::TYPE_SSL_CERTIFICATES_RECEIVED, | 
| -        base::Bind(&NetLogX509CertificateCallback, | 
| -                   base::Unretained(server_cert_.get()))); | 
| -  } | 
| -} | 
| - | 
| -void SSLClientSocketOpenSSL::VerifyCT() { | 
| -  if (!cert_transparency_verifier_) | 
| -    return; | 
| - | 
| -  const uint8_t* ocsp_response_raw; | 
| -  size_t ocsp_response_len; | 
| -  SSL_get0_ocsp_response(ssl_, &ocsp_response_raw, &ocsp_response_len); | 
| -  std::string ocsp_response; | 
| -  if (ocsp_response_len > 0) { | 
| -    ocsp_response.assign(reinterpret_cast<const char*>(ocsp_response_raw), | 
| -                         ocsp_response_len); | 
| -  } | 
| - | 
| -  const uint8_t* sct_list_raw; | 
| -  size_t sct_list_len; | 
| -  SSL_get0_signed_cert_timestamp_list(ssl_, &sct_list_raw, &sct_list_len); | 
| -  std::string sct_list; | 
| -  if (sct_list_len > 0) | 
| -    sct_list.assign(reinterpret_cast<const char*>(sct_list_raw), sct_list_len); | 
| - | 
| -  // Note that this is a completely synchronous operation: The CT Log Verifier | 
| -  // gets all the data it needs for SCT verification and does not do any | 
| -  // external communication. | 
| -  cert_transparency_verifier_->Verify( | 
| -      server_cert_verify_result_.verified_cert.get(), ocsp_response, sct_list, | 
| -      &ct_verify_result_, net_log_); | 
| - | 
| -  ct_verify_result_.ct_policies_applied = (policy_enforcer_ != nullptr); | 
| -  ct_verify_result_.ev_policy_compliance = | 
| -      ct::EVPolicyCompliance::EV_POLICY_DOES_NOT_APPLY; | 
| -  if (policy_enforcer_) { | 
| -    if ((server_cert_verify_result_.cert_status & CERT_STATUS_IS_EV)) { | 
| -      scoped_refptr<ct::EVCertsWhitelist> ev_whitelist = | 
| -          SSLConfigService::GetEVCertsWhitelist(); | 
| -      ct::EVPolicyCompliance ev_policy_compliance = | 
| -          policy_enforcer_->DoesConformToCTEVPolicy( | 
| -              server_cert_verify_result_.verified_cert.get(), | 
| -              ev_whitelist.get(), ct_verify_result_.verified_scts, net_log_); | 
| -      ct_verify_result_.ev_policy_compliance = ev_policy_compliance; | 
| -      if (ev_policy_compliance != | 
| -              ct::EVPolicyCompliance::EV_POLICY_DOES_NOT_APPLY && | 
| -          ev_policy_compliance != | 
| -              ct::EVPolicyCompliance::EV_POLICY_COMPLIES_VIA_WHITELIST && | 
| -          ev_policy_compliance != | 
| -              ct::EVPolicyCompliance::EV_POLICY_COMPLIES_VIA_SCTS) { | 
| -        // TODO(eranm): Log via the BoundNetLog, see crbug.com/437766 | 
| -        VLOG(1) << "EV certificate for " | 
| -                << server_cert_verify_result_.verified_cert->subject() | 
| -                       .GetDisplayName() | 
| -                << " does not conform to CT policy, removing EV status."; | 
| -        server_cert_verify_result_.cert_status |= | 
| -            CERT_STATUS_CT_COMPLIANCE_FAILED; | 
| -        server_cert_verify_result_.cert_status &= ~CERT_STATUS_IS_EV; | 
| -      } | 
| -    } | 
| -    ct_verify_result_.cert_policy_compliance = | 
| -        policy_enforcer_->DoesConformToCertPolicy( | 
| -            server_cert_verify_result_.verified_cert.get(), | 
| -            ct_verify_result_.verified_scts, net_log_); | 
| -  } | 
| -} | 
| - | 
| -void SSLClientSocketOpenSSL::OnHandshakeIOComplete(int result) { | 
| -  int rv = DoHandshakeLoop(result); | 
| -  if (rv != ERR_IO_PENDING) { | 
| -    net_log_.EndEventWithNetErrorCode(NetLog::TYPE_SSL_CONNECT, rv); | 
| -    DoConnectCallback(rv); | 
| -  } | 
| -} | 
| - | 
| -void SSLClientSocketOpenSSL::OnSendComplete(int result) { | 
| -  if (next_handshake_state_ == STATE_HANDSHAKE) { | 
| -    // In handshake phase. | 
| -    OnHandshakeIOComplete(result); | 
| -    return; | 
| -  } | 
| - | 
| -  // During a renegotiation, a Read call may also be blocked on a transport | 
| -  // write, so retry both operations. | 
| -  PumpReadWriteEvents(); | 
| -} | 
| - | 
| -void SSLClientSocketOpenSSL::OnRecvComplete(int result) { | 
| -  TRACE_EVENT0("net", "SSLClientSocketOpenSSL::OnRecvComplete"); | 
| -  if (next_handshake_state_ == STATE_HANDSHAKE) { | 
| -    // In handshake phase. | 
| -    OnHandshakeIOComplete(result); | 
| -    return; | 
| -  } | 
| - | 
| -  // Network layer received some data, check if client requested to read | 
| -  // decrypted data. | 
| -  if (!user_read_buf_.get()) | 
| -    return; | 
| - | 
| -  int rv = DoReadLoop(); | 
| -  if (rv != ERR_IO_PENDING) | 
| -    DoReadCallback(rv); | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::DoHandshakeLoop(int last_io_result) { | 
| -  TRACE_EVENT0("net", "SSLClientSocketOpenSSL::DoHandshakeLoop"); | 
| -  int rv = last_io_result; | 
| -  do { | 
| -    // Default to STATE_NONE for next state. | 
| -    // (This is a quirk carried over from the windows | 
| -    // implementation.  It makes reading the logs a bit harder.) | 
| -    // State handlers can and often do call GotoState just | 
| -    // to stay in the current state. | 
| -    State state = next_handshake_state_; | 
| -    GotoState(STATE_NONE); | 
| -    switch (state) { | 
| -      case STATE_HANDSHAKE: | 
| -        rv = DoHandshake(); | 
| -        break; | 
| -      case STATE_HANDSHAKE_COMPLETE: | 
| -        rv = DoHandshakeComplete(rv); | 
| -        break; | 
| -      case STATE_CHANNEL_ID_LOOKUP: | 
| -        DCHECK_EQ(OK, rv); | 
| -        rv = DoChannelIDLookup(); | 
| -       break; | 
| -      case STATE_CHANNEL_ID_LOOKUP_COMPLETE: | 
| -        rv = DoChannelIDLookupComplete(rv); | 
| -        break; | 
| -      case STATE_VERIFY_CERT: | 
| -        DCHECK_EQ(OK, rv); | 
| -        rv = DoVerifyCert(rv); | 
| -       break; | 
| -      case STATE_VERIFY_CERT_COMPLETE: | 
| -        rv = DoVerifyCertComplete(rv); | 
| -        break; | 
| -      case STATE_NONE: | 
| -      default: | 
| -        rv = ERR_UNEXPECTED; | 
| -        NOTREACHED() << "unexpected state" << state; | 
| -        break; | 
| -    } | 
| - | 
| -    bool network_moved = DoTransportIO(); | 
| -    if (network_moved && next_handshake_state_ == STATE_HANDSHAKE) { | 
| -      // In general we exit the loop if rv is ERR_IO_PENDING.  In this | 
| -      // special case we keep looping even if rv is ERR_IO_PENDING because | 
| -      // the transport IO may allow DoHandshake to make progress. | 
| -      rv = OK;  // This causes us to stay in the loop. | 
| -    } | 
| -  } while (rv != ERR_IO_PENDING && next_handshake_state_ != STATE_NONE); | 
| -  return rv; | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::DoReadLoop() { | 
| -  bool network_moved; | 
| -  int rv; | 
| -  do { | 
| -    rv = DoPayloadRead(); | 
| -    network_moved = DoTransportIO(); | 
| -  } while (rv == ERR_IO_PENDING && network_moved); | 
| - | 
| -  return rv; | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::DoWriteLoop() { | 
| -  bool network_moved; | 
| -  int rv; | 
| -  do { | 
| -    rv = DoPayloadWrite(); | 
| -    network_moved = DoTransportIO(); | 
| -  } while (rv == ERR_IO_PENDING && network_moved); | 
| - | 
| -  return rv; | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::DoPayloadRead() { | 
| -  crypto::OpenSSLErrStackTracer err_tracer(FROM_HERE); | 
| - | 
| -  DCHECK_LT(0, user_read_buf_len_); | 
| -  DCHECK(user_read_buf_.get()); | 
| - | 
| -  int rv; | 
| -  if (pending_read_error_ != kNoPendingResult) { | 
| -    rv = pending_read_error_; | 
| -    pending_read_error_ = kNoPendingResult; | 
| -    if (rv == 0) { | 
| -      net_log_.AddByteTransferEvent(NetLog::TYPE_SSL_SOCKET_BYTES_RECEIVED, | 
| -                                    rv, user_read_buf_->data()); | 
| -    } else { | 
| -      net_log_.AddEvent( | 
| -          NetLog::TYPE_SSL_READ_ERROR, | 
| -          CreateNetLogOpenSSLErrorCallback(rv, pending_read_ssl_error_, | 
| -                                           pending_read_error_info_)); | 
| -    } | 
| -    pending_read_ssl_error_ = SSL_ERROR_NONE; | 
| -    pending_read_error_info_ = OpenSSLErrorInfo(); | 
| -    return rv; | 
| -  } | 
| - | 
| -  int total_bytes_read = 0; | 
| -  int ssl_ret; | 
| -  do { | 
| -    ssl_ret = SSL_read(ssl_, user_read_buf_->data() + total_bytes_read, | 
| -                       user_read_buf_len_ - total_bytes_read); | 
| -    if (ssl_ret > 0) | 
| -      total_bytes_read += ssl_ret; | 
| -  } while (total_bytes_read < user_read_buf_len_ && ssl_ret > 0); | 
| - | 
| -  // Although only the final SSL_read call may have failed, the failure needs to | 
| -  // processed immediately, while the information still available in OpenSSL's | 
| -  // error queue. | 
| -  if (ssl_ret <= 0) { | 
| -    // A zero return from SSL_read may mean any of: | 
| -    // - The underlying BIO_read returned 0. | 
| -    // - The peer sent a close_notify. | 
| -    // - Any arbitrary error. https://crbug.com/466303 | 
| -    // | 
| -    // TransportReadComplete converts the first to an ERR_CONNECTION_CLOSED | 
| -    // error, so it does not occur. The second and third are distinguished by | 
| -    // SSL_ERROR_ZERO_RETURN. | 
| -    pending_read_ssl_error_ = SSL_get_error(ssl_, ssl_ret); | 
| -    if (pending_read_ssl_error_ == SSL_ERROR_ZERO_RETURN) { | 
| -      pending_read_error_ = 0; | 
| -    } else if (pending_read_ssl_error_ == SSL_ERROR_WANT_X509_LOOKUP && | 
| -               !ssl_config_.send_client_cert) { | 
| -      pending_read_error_ = ERR_SSL_CLIENT_AUTH_CERT_NEEDED; | 
| -    } else if (pending_read_ssl_error_ == | 
| -               SSL_ERROR_WANT_PRIVATE_KEY_OPERATION) { | 
| -      DCHECK(ssl_config_.client_private_key); | 
| -      DCHECK_NE(kNoPendingResult, signature_result_); | 
| -      pending_read_error_ = ERR_IO_PENDING; | 
| -    } else { | 
| -      pending_read_error_ = MapOpenSSLErrorWithDetails( | 
| -          pending_read_ssl_error_, err_tracer, &pending_read_error_info_); | 
| -    } | 
| - | 
| -    // Many servers do not reliably send a close_notify alert when shutting down | 
| -    // a connection, and instead terminate the TCP connection. This is reported | 
| -    // as ERR_CONNECTION_CLOSED. Because of this, map the unclean shutdown to a | 
| -    // graceful EOF, instead of treating it as an error as it should be. | 
| -    if (pending_read_error_ == ERR_CONNECTION_CLOSED) | 
| -      pending_read_error_ = 0; | 
| -  } | 
| - | 
| -  if (total_bytes_read > 0) { | 
| -    // Return any bytes read to the caller. The error will be deferred to the | 
| -    // next call of DoPayloadRead. | 
| -    rv = total_bytes_read; | 
| - | 
| -    // Do not treat insufficient data as an error to return in the next call to | 
| -    // DoPayloadRead() - instead, let the call fall through to check SSL_read() | 
| -    // again. This is because DoTransportIO() may complete in between the next | 
| -    // call to DoPayloadRead(), and thus it is important to check SSL_read() on | 
| -    // subsequent invocations to see if a complete record may now be read. | 
| -    if (pending_read_error_ == ERR_IO_PENDING) | 
| -      pending_read_error_ = kNoPendingResult; | 
| -  } else { | 
| -    // No bytes were returned. Return the pending read error immediately. | 
| -    DCHECK_NE(kNoPendingResult, pending_read_error_); | 
| -    rv = pending_read_error_; | 
| -    pending_read_error_ = kNoPendingResult; | 
| -  } | 
| - | 
| -  if (rv >= 0) { | 
| -    net_log_.AddByteTransferEvent(NetLog::TYPE_SSL_SOCKET_BYTES_RECEIVED, rv, | 
| -                                  user_read_buf_->data()); | 
| -  } else if (rv != ERR_IO_PENDING) { | 
| -    net_log_.AddEvent( | 
| -        NetLog::TYPE_SSL_READ_ERROR, | 
| -        CreateNetLogOpenSSLErrorCallback(rv, pending_read_ssl_error_, | 
| -                                         pending_read_error_info_)); | 
| -    pending_read_ssl_error_ = SSL_ERROR_NONE; | 
| -    pending_read_error_info_ = OpenSSLErrorInfo(); | 
| -  } | 
| -  return rv; | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::DoPayloadWrite() { | 
| -  crypto::OpenSSLErrStackTracer err_tracer(FROM_HERE); | 
| -  int rv = SSL_write(ssl_, user_write_buf_->data(), user_write_buf_len_); | 
| - | 
| -  if (rv >= 0) { | 
| -    net_log_.AddByteTransferEvent(NetLog::TYPE_SSL_SOCKET_BYTES_SENT, rv, | 
| -                                  user_write_buf_->data()); | 
| -    return rv; | 
| -  } | 
| - | 
| -  int ssl_error = SSL_get_error(ssl_, rv); | 
| -  if (ssl_error == SSL_ERROR_WANT_PRIVATE_KEY_OPERATION) | 
| -    return ERR_IO_PENDING; | 
| -  OpenSSLErrorInfo error_info; | 
| -  int net_error = MapOpenSSLErrorWithDetails(ssl_error, err_tracer, | 
| -                                             &error_info); | 
| - | 
| -  if (net_error != ERR_IO_PENDING) { | 
| -    net_log_.AddEvent( | 
| -        NetLog::TYPE_SSL_WRITE_ERROR, | 
| -        CreateNetLogOpenSSLErrorCallback(net_error, ssl_error, error_info)); | 
| -  } | 
| -  return net_error; | 
| -} | 
| - | 
| -void SSLClientSocketOpenSSL::PumpReadWriteEvents() { | 
| -  int rv_read = ERR_IO_PENDING; | 
| -  int rv_write = ERR_IO_PENDING; | 
| -  bool network_moved; | 
| -  do { | 
| -    if (user_read_buf_.get()) | 
| -      rv_read = DoPayloadRead(); | 
| -    if (user_write_buf_.get()) | 
| -      rv_write = DoPayloadWrite(); | 
| -    network_moved = DoTransportIO(); | 
| -  } while (rv_read == ERR_IO_PENDING && rv_write == ERR_IO_PENDING && | 
| -           (user_read_buf_.get() || user_write_buf_.get()) && network_moved); | 
| - | 
| -  // Performing the Read callback may cause |this| to be deleted. If this | 
| -  // happens, the Write callback should not be invoked. Guard against this by | 
| -  // holding a WeakPtr to |this| and ensuring it's still valid. | 
| -  base::WeakPtr<SSLClientSocketOpenSSL> guard(weak_factory_.GetWeakPtr()); | 
| -  if (user_read_buf_.get() && rv_read != ERR_IO_PENDING) | 
| -    DoReadCallback(rv_read); | 
| - | 
| -  if (!guard.get()) | 
| -    return; | 
| - | 
| -  if (user_write_buf_.get() && rv_write != ERR_IO_PENDING) | 
| -    DoWriteCallback(rv_write); | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::BufferSend(void) { | 
| -  if (transport_send_busy_) | 
| -    return ERR_IO_PENDING; | 
| - | 
| -  size_t buffer_read_offset; | 
| -  uint8_t* read_buf; | 
| -  size_t max_read; | 
| -  int status = BIO_zero_copy_get_read_buf(transport_bio_, &read_buf, | 
| -                                          &buffer_read_offset, &max_read); | 
| -  DCHECK_EQ(status, 1);  // Should never fail. | 
| -  if (!max_read) | 
| -    return 0;  // Nothing pending in the OpenSSL write BIO. | 
| -  CHECK_EQ(read_buf, reinterpret_cast<uint8_t*>(send_buffer_->StartOfBuffer())); | 
| -  CHECK_LT(buffer_read_offset, static_cast<size_t>(send_buffer_->capacity())); | 
| -  send_buffer_->set_offset(buffer_read_offset); | 
| - | 
| -  int rv = transport_->socket()->Write( | 
| -      send_buffer_.get(), max_read, | 
| -      base::Bind(&SSLClientSocketOpenSSL::BufferSendComplete, | 
| -                 base::Unretained(this))); | 
| -  if (rv == ERR_IO_PENDING) { | 
| -    transport_send_busy_ = true; | 
| -  } else { | 
| -    TransportWriteComplete(rv); | 
| -  } | 
| -  return rv; | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::BufferRecv(void) { | 
| -  if (transport_recv_busy_) | 
| -    return ERR_IO_PENDING; | 
| - | 
| -  // Determine how much was requested from |transport_bio_| that was not | 
| -  // actually available. | 
| -  size_t requested = BIO_ctrl_get_read_request(transport_bio_); | 
| -  if (requested == 0) { | 
| -    // This is not a perfect match of error codes, as no operation is | 
| -    // actually pending. However, returning 0 would be interpreted as | 
| -    // a possible sign of EOF, which is also an inappropriate match. | 
| -    return ERR_IO_PENDING; | 
| -  } | 
| - | 
| -  // Known Issue: While only reading |requested| data is the more correct | 
| -  // implementation, it has the downside of resulting in frequent reads: | 
| -  // One read for the SSL record header (~5 bytes) and one read for the SSL | 
| -  // record body. Rather than issuing these reads to the underlying socket | 
| -  // (and constantly allocating new IOBuffers), a single Read() request to | 
| -  // fill |transport_bio_| is issued. As long as an SSL client socket cannot | 
| -  // be gracefully shutdown (via SSL close alerts) and re-used for non-SSL | 
| -  // traffic, this over-subscribed Read()ing will not cause issues. | 
| - | 
| -  size_t buffer_write_offset; | 
| -  uint8_t* write_buf; | 
| -  size_t max_write; | 
| -  int status = BIO_zero_copy_get_write_buf(transport_bio_, &write_buf, | 
| -                                           &buffer_write_offset, &max_write); | 
| -  DCHECK_EQ(status, 1);  // Should never fail. | 
| -  if (!max_write) | 
| -    return ERR_IO_PENDING; | 
| - | 
| -  CHECK_EQ(write_buf, | 
| -           reinterpret_cast<uint8_t*>(recv_buffer_->StartOfBuffer())); | 
| -  CHECK_LT(buffer_write_offset, static_cast<size_t>(recv_buffer_->capacity())); | 
| - | 
| -  recv_buffer_->set_offset(buffer_write_offset); | 
| -  int rv = transport_->socket()->Read( | 
| -      recv_buffer_.get(), | 
| -      max_write, | 
| -      base::Bind(&SSLClientSocketOpenSSL::BufferRecvComplete, | 
| -                 base::Unretained(this))); | 
| -  if (rv == ERR_IO_PENDING) { | 
| -    transport_recv_busy_ = true; | 
| -  } else { | 
| -    rv = TransportReadComplete(rv); | 
| -  } | 
| -  return rv; | 
| -} | 
| - | 
| -void SSLClientSocketOpenSSL::BufferSendComplete(int result) { | 
| -  TransportWriteComplete(result); | 
| -  OnSendComplete(result); | 
| -} | 
| - | 
| -void SSLClientSocketOpenSSL::BufferRecvComplete(int result) { | 
| -  result = TransportReadComplete(result); | 
| -  OnRecvComplete(result); | 
| -} | 
| - | 
| -void SSLClientSocketOpenSSL::TransportWriteComplete(int result) { | 
| -  DCHECK(ERR_IO_PENDING != result); | 
| -  int bytes_written = 0; | 
| -  if (result < 0) { | 
| -    // Record the error. Save it to be reported in a future read or write on | 
| -    // transport_bio_'s peer. | 
| -    transport_write_error_ = result; | 
| -  } else { | 
| -    bytes_written = result; | 
| -  } | 
| -  DCHECK_GE(send_buffer_->RemainingCapacity(), bytes_written); | 
| -  int ret = BIO_zero_copy_get_read_buf_done(transport_bio_, bytes_written); | 
| -  DCHECK_EQ(1, ret); | 
| -  transport_send_busy_ = false; | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::TransportReadComplete(int result) { | 
| -  DCHECK(ERR_IO_PENDING != result); | 
| -  // If an EOF, canonicalize to ERR_CONNECTION_CLOSED here so MapOpenSSLError | 
| -  // does not report success. | 
| -  if (result == 0) | 
| -    result = ERR_CONNECTION_CLOSED; | 
| -  int bytes_read = 0; | 
| -  if (result < 0) { | 
| -    DVLOG(1) << "TransportReadComplete result " << result; | 
| -    // Received an error. Save it to be reported in a future read on | 
| -    // transport_bio_'s peer. | 
| -    transport_read_error_ = result; | 
| -  } else { | 
| -    bytes_read = result; | 
| -  } | 
| -  DCHECK_GE(recv_buffer_->RemainingCapacity(), bytes_read); | 
| -  int ret = BIO_zero_copy_get_write_buf_done(transport_bio_, bytes_read); | 
| -  DCHECK_EQ(1, ret); | 
| -  transport_recv_busy_ = false; | 
| -  return result; | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::ClientCertRequestCallback(SSL* ssl) { | 
| -  DVLOG(3) << "OpenSSL ClientCertRequestCallback called"; | 
| -  DCHECK(ssl == ssl_); | 
| - | 
| -  net_log_.AddEvent(NetLog::TYPE_SSL_CLIENT_CERT_REQUESTED); | 
| - | 
| -  // Clear any currently configured certificates. | 
| -  SSL_certs_clear(ssl_); | 
| - | 
| -#if defined(OS_IOS) | 
| -  // TODO(droger): Support client auth on iOS. See http://crbug.com/145954). | 
| -  LOG(WARNING) << "Client auth is not supported"; | 
| -#else  // !defined(OS_IOS) | 
| -  if (!ssl_config_.send_client_cert) { | 
| -    // First pass: we know that a client certificate is needed, but we do not | 
| -    // have one at hand. | 
| -    STACK_OF(X509_NAME) *authorities = SSL_get_client_CA_list(ssl); | 
| -    for (size_t i = 0; i < sk_X509_NAME_num(authorities); i++) { | 
| -      X509_NAME *ca_name = (X509_NAME *)sk_X509_NAME_value(authorities, i); | 
| -      unsigned char* str = NULL; | 
| -      int length = i2d_X509_NAME(ca_name, &str); | 
| -      cert_authorities_.push_back(std::string( | 
| -          reinterpret_cast<const char*>(str), | 
| -          static_cast<size_t>(length))); | 
| -      OPENSSL_free(str); | 
| -    } | 
| - | 
| -    const unsigned char* client_cert_types; | 
| -    size_t num_client_cert_types = | 
| -        SSL_get0_certificate_types(ssl, &client_cert_types); | 
| -    for (size_t i = 0; i < num_client_cert_types; i++) { | 
| -      cert_key_types_.push_back( | 
| -          static_cast<SSLClientCertType>(client_cert_types[i])); | 
| -    } | 
| - | 
| -    // Suspends handshake. SSL_get_error will return SSL_ERROR_WANT_X509_LOOKUP. | 
| -    return -1; | 
| -  } | 
| - | 
| -  // Second pass: a client certificate should have been selected. | 
| -  if (ssl_config_.client_cert.get()) { | 
| -    ScopedX509 leaf_x509 = | 
| -        OSCertHandleToOpenSSL(ssl_config_.client_cert->os_cert_handle()); | 
| -    if (!leaf_x509) { | 
| -      LOG(WARNING) << "Failed to import certificate"; | 
| -      OpenSSLPutNetError(FROM_HERE, ERR_SSL_CLIENT_AUTH_CERT_BAD_FORMAT); | 
| -      return -1; | 
| -    } | 
| - | 
| -    ScopedX509Stack chain = OSCertHandlesToOpenSSL( | 
| -        ssl_config_.client_cert->GetIntermediateCertificates()); | 
| -    if (!chain) { | 
| -      LOG(WARNING) << "Failed to import intermediate certificates"; | 
| -      OpenSSLPutNetError(FROM_HERE, ERR_SSL_CLIENT_AUTH_CERT_BAD_FORMAT); | 
| -      return -1; | 
| -    } | 
| - | 
| -    if (!SSL_use_certificate(ssl_, leaf_x509.get()) || | 
| -        !SSL_set1_chain(ssl_, chain.get())) { | 
| -      LOG(WARNING) << "Failed to set client certificate"; | 
| -      return -1; | 
| -    } | 
| - | 
| -    if (!ssl_config_.client_private_key) { | 
| -      // The caller supplied a null private key. Fail the handshake and surface | 
| -      // an appropriate error to the caller. | 
| -      LOG(WARNING) << "Client cert found without private key"; | 
| -      OpenSSLPutNetError(FROM_HERE, ERR_SSL_CLIENT_AUTH_CERT_NO_PRIVATE_KEY); | 
| -      return -1; | 
| -    } | 
| - | 
| -    SSL_set_private_key_method(ssl_, &SSLContext::kPrivateKeyMethod); | 
| - | 
| -    std::vector<SSLPrivateKey::Hash> digest_prefs = | 
| -        ssl_config_.client_private_key->GetDigestPreferences(); | 
| - | 
| -    size_t digests_len = digest_prefs.size(); | 
| -    std::vector<int> digests; | 
| -    for (size_t i = 0; i < digests_len; i++) { | 
| -      switch (digest_prefs[i]) { | 
| -        case SSLPrivateKey::Hash::SHA1: | 
| -          digests.push_back(NID_sha1); | 
| -          break; | 
| -        case SSLPrivateKey::Hash::SHA256: | 
| -          digests.push_back(NID_sha256); | 
| -          break; | 
| -        case SSLPrivateKey::Hash::SHA384: | 
| -          digests.push_back(NID_sha384); | 
| -          break; | 
| -        case SSLPrivateKey::Hash::SHA512: | 
| -          digests.push_back(NID_sha512); | 
| -          break; | 
| -        case SSLPrivateKey::Hash::MD5_SHA1: | 
| -          // MD5-SHA1 is not used in TLS 1.2. | 
| -          break; | 
| -      } | 
| -    } | 
| - | 
| -    SSL_set_private_key_digest_prefs(ssl_, digests.data(), digests.size()); | 
| - | 
| -    int cert_count = 1 + sk_X509_num(chain.get()); | 
| -    net_log_.AddEvent(NetLog::TYPE_SSL_CLIENT_CERT_PROVIDED, | 
| -                      NetLog::IntCallback("cert_count", cert_count)); | 
| -    return 1; | 
| -  } | 
| -#endif  // defined(OS_IOS) | 
| - | 
| -  // Send no client certificate. | 
| -  net_log_.AddEvent(NetLog::TYPE_SSL_CLIENT_CERT_PROVIDED, | 
| -                    NetLog::IntCallback("cert_count", 0)); | 
| -  return 1; | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::CertVerifyCallback(X509_STORE_CTX* store_ctx) { | 
| -  if (!completed_connect_) { | 
| -    // If the first handshake hasn't completed then we accept any certificates | 
| -    // because we verify after the handshake. | 
| -    return 1; | 
| -  } | 
| - | 
| -  // Disallow the server certificate to change in a renegotiation. | 
| -  if (server_cert_chain_->empty()) { | 
| -    LOG(ERROR) << "Received invalid certificate chain between handshakes"; | 
| -    return 0; | 
| -  } | 
| -  base::StringPiece old_der, new_der; | 
| -  if (store_ctx->cert == NULL || | 
| -      !x509_util::GetDER(server_cert_chain_->Get(0), &old_der) || | 
| -      !x509_util::GetDER(store_ctx->cert, &new_der)) { | 
| -    LOG(ERROR) << "Failed to encode certificates"; | 
| -    return 0; | 
| -  } | 
| -  if (old_der != new_der) { | 
| -    LOG(ERROR) << "Server certificate changed between handshakes"; | 
| -    return 0; | 
| -  } | 
| - | 
| -  return 1; | 
| -} | 
| - | 
| -// SelectNextProtoCallback is called by OpenSSL during the handshake. If the | 
| -// server supports NPN, selects a protocol from the list that the server | 
| -// provides. According to third_party/boringssl/src/ssl/ssl_lib.c, the | 
| -// callback can assume that |in| is syntactically valid. | 
| -int SSLClientSocketOpenSSL::SelectNextProtoCallback(unsigned char** out, | 
| -                                                    unsigned char* outlen, | 
| -                                                    const unsigned char* in, | 
| -                                                    unsigned int inlen) { | 
| -  if (ssl_config_.npn_protos.empty()) { | 
| -    *out = reinterpret_cast<uint8_t*>( | 
| -        const_cast<char*>(kDefaultSupportedNPNProtocol)); | 
| -    *outlen = arraysize(kDefaultSupportedNPNProtocol) - 1; | 
| -    npn_status_ = kNextProtoUnsupported; | 
| -    return SSL_TLSEXT_ERR_OK; | 
| -  } | 
| - | 
| -  // Assume there's no overlap between our protocols and the server's list. | 
| -  npn_status_ = kNextProtoNoOverlap; | 
| - | 
| -  // For each protocol in server preference order, see if we support it. | 
| -  for (unsigned int i = 0; i < inlen; i += in[i] + 1) { | 
| -    for (NextProto next_proto : ssl_config_.npn_protos) { | 
| -      const std::string proto = NextProtoToString(next_proto); | 
| -      if (in[i] == proto.size() && | 
| -          memcmp(&in[i + 1], proto.data(), in[i]) == 0) { | 
| -        // We found a match. | 
| -        *out = const_cast<unsigned char*>(in) + i + 1; | 
| -        *outlen = in[i]; | 
| -        npn_status_ = kNextProtoNegotiated; | 
| -        break; | 
| -      } | 
| -    } | 
| -    if (npn_status_ == kNextProtoNegotiated) | 
| -      break; | 
| -  } | 
| - | 
| -  // If we didn't find a protocol, we select the last one from our list. | 
| -  if (npn_status_ == kNextProtoNoOverlap) { | 
| -    // NextProtoToString returns a pointer to a static string. | 
| -    const char* proto = NextProtoToString(ssl_config_.npn_protos.back()); | 
| -    *out = reinterpret_cast<unsigned char*>(const_cast<char*>(proto)); | 
| -    *outlen = strlen(proto); | 
| -  } | 
| - | 
| -  npn_proto_.assign(reinterpret_cast<const char*>(*out), *outlen); | 
| -  DVLOG(2) << "next protocol: '" << npn_proto_ << "' status: " << npn_status_; | 
| -  set_negotiation_extension(kExtensionNPN); | 
| -  return SSL_TLSEXT_ERR_OK; | 
| -} | 
| - | 
| -long SSLClientSocketOpenSSL::MaybeReplayTransportError( | 
| -    BIO *bio, | 
| -    int cmd, | 
| -    const char *argp, int argi, long argl, | 
| -    long retvalue) { | 
| -  if (cmd == (BIO_CB_READ|BIO_CB_RETURN) && retvalue <= 0) { | 
| -    // If there is no more data in the buffer, report any pending errors that | 
| -    // were observed. Note that both the readbuf and the writebuf are checked | 
| -    // for errors, since the application may have encountered a socket error | 
| -    // while writing that would otherwise not be reported until the application | 
| -    // attempted to write again - which it may never do. See | 
| -    // https://crbug.com/249848. | 
| -    if (transport_read_error_ != OK) { | 
| -      OpenSSLPutNetError(FROM_HERE, transport_read_error_); | 
| -      return -1; | 
| -    } | 
| -    if (transport_write_error_ != OK) { | 
| -      OpenSSLPutNetError(FROM_HERE, transport_write_error_); | 
| -      return -1; | 
| -    } | 
| -  } else if (cmd == BIO_CB_WRITE) { | 
| -    // Because of the write buffer, this reports a failure from the previous | 
| -    // write payload. If the current payload fails to write, the error will be | 
| -    // reported in a future write or read to |bio|. | 
| -    if (transport_write_error_ != OK) { | 
| -      OpenSSLPutNetError(FROM_HERE, transport_write_error_); | 
| -      return -1; | 
| -    } | 
| -  } | 
| -  return retvalue; | 
| -} | 
| - | 
| -// static | 
| -long SSLClientSocketOpenSSL::BIOCallback( | 
| -    BIO *bio, | 
| -    int cmd, | 
| -    const char *argp, int argi, long argl, | 
| -    long retvalue) { | 
| -  SSLClientSocketOpenSSL* socket = reinterpret_cast<SSLClientSocketOpenSSL*>( | 
| -      BIO_get_callback_arg(bio)); | 
| -  CHECK(socket); | 
| -  return socket->MaybeReplayTransportError( | 
| -      bio, cmd, argp, argi, argl, retvalue); | 
| -} | 
| - | 
| -void SSLClientSocketOpenSSL::MaybeCacheSession() { | 
| -  // Only cache the session once both a new session has been established and the | 
| -  // certificate has been verified. Due to False Start, these events may happen | 
| -  // in either order. | 
| -  if (!session_pending_ || !certificate_verified_) | 
| -    return; | 
| - | 
| -  SSLContext::GetInstance()->session_cache()->Insert(GetSessionCacheKey(), | 
| -                                                     SSL_get_session(ssl_)); | 
| -  session_pending_ = false; | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::NewSessionCallback(SSL_SESSION* session) { | 
| -  DCHECK_EQ(session, SSL_get_session(ssl_)); | 
| - | 
| -  // Only sessions from the initial handshake get cached. Note this callback may | 
| -  // be signaled on abbreviated handshakes if the ticket was renewed. | 
| -  session_pending_ = true; | 
| -  MaybeCacheSession(); | 
| - | 
| -  // OpenSSL passes a reference to |session|, but the session cache does not | 
| -  // take this reference, so release it. | 
| -  SSL_SESSION_free(session); | 
| -  return 1; | 
| -} | 
| - | 
| -void SSLClientSocketOpenSSL::AddCTInfoToSSLInfo(SSLInfo* ssl_info) const { | 
| -  ssl_info->UpdateCertificateTransparencyInfo(ct_verify_result_); | 
| -} | 
| - | 
| -std::string SSLClientSocketOpenSSL::GetSessionCacheKey() const { | 
| -  std::string result = host_and_port_.ToString(); | 
| -  result.append("/"); | 
| -  result.append(ssl_session_cache_shard_); | 
| - | 
| -  // Shard the session cache based on maximum protocol version. This causes | 
| -  // fallback connections to use a separate session cache. | 
| -  result.append("/"); | 
| -  switch (ssl_config_.version_max) { | 
| -    case SSL_PROTOCOL_VERSION_TLS1: | 
| -      result.append("tls1"); | 
| -      break; | 
| -    case SSL_PROTOCOL_VERSION_TLS1_1: | 
| -      result.append("tls1.1"); | 
| -      break; | 
| -    case SSL_PROTOCOL_VERSION_TLS1_2: | 
| -      result.append("tls1.2"); | 
| -      break; | 
| -    default: | 
| -      NOTREACHED(); | 
| -  } | 
| - | 
| -  result.append("/"); | 
| -  if (ssl_config_.deprecated_cipher_suites_enabled) | 
| -    result.append("deprecated"); | 
| - | 
| -  result.append("/"); | 
| -  if (ssl_config_.channel_id_enabled) | 
| -    result.append("channelid"); | 
| - | 
| -  return result; | 
| -} | 
| - | 
| -bool SSLClientSocketOpenSSL::IsRenegotiationAllowed() const { | 
| -  if (tb_was_negotiated_) | 
| -    return false; | 
| - | 
| -  if (npn_status_ == kNextProtoUnsupported) | 
| -    return ssl_config_.renego_allowed_default; | 
| - | 
| -  NextProto next_proto = NextProtoFromString(npn_proto_); | 
| -  for (NextProto allowed : ssl_config_.renego_allowed_for_protos) { | 
| -    if (next_proto == allowed) | 
| -      return true; | 
| -  } | 
| -  return false; | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::PrivateKeyTypeCallback() { | 
| -  switch (ssl_config_.client_private_key->GetType()) { | 
| -    case SSLPrivateKey::Type::RSA: | 
| -      return EVP_PKEY_RSA; | 
| -    case SSLPrivateKey::Type::ECDSA: | 
| -      return EVP_PKEY_EC; | 
| -  } | 
| -  NOTREACHED(); | 
| -  return EVP_PKEY_NONE; | 
| -} | 
| - | 
| -size_t SSLClientSocketOpenSSL::PrivateKeyMaxSignatureLenCallback() { | 
| -  return ssl_config_.client_private_key->GetMaxSignatureLengthInBytes(); | 
| -} | 
| - | 
| -ssl_private_key_result_t SSLClientSocketOpenSSL::PrivateKeySignCallback( | 
| -    uint8_t* out, | 
| -    size_t* out_len, | 
| -    size_t max_out, | 
| -    const EVP_MD* md, | 
| -    const uint8_t* in, | 
| -    size_t in_len) { | 
| -  DCHECK_EQ(kNoPendingResult, signature_result_); | 
| -  DCHECK(signature_.empty()); | 
| -  DCHECK(ssl_config_.client_private_key); | 
| - | 
| -  SSLPrivateKey::Hash hash; | 
| -  if (!EVP_MDToPrivateKeyHash(md, &hash)) { | 
| -    OpenSSLPutNetError(FROM_HERE, ERR_SSL_CLIENT_AUTH_SIGNATURE_FAILED); | 
| -    return ssl_private_key_failure; | 
| -  } | 
| - | 
| -  net_log_.BeginEvent( | 
| -      NetLog::TYPE_SSL_PRIVATE_KEY_OPERATION, | 
| -      base::Bind(&NetLogPrivateKeyOperationCallback, | 
| -                 ssl_config_.client_private_key->GetType(), hash)); | 
| - | 
| -  signature_result_ = ERR_IO_PENDING; | 
| -  ssl_config_.client_private_key->SignDigest( | 
| -      hash, base::StringPiece(reinterpret_cast<const char*>(in), in_len), | 
| -      base::Bind(&SSLClientSocketOpenSSL::OnPrivateKeySignComplete, | 
| -                 weak_factory_.GetWeakPtr())); | 
| -  return ssl_private_key_retry; | 
| -} | 
| - | 
| -ssl_private_key_result_t SSLClientSocketOpenSSL::PrivateKeySignCompleteCallback( | 
| -    uint8_t* out, | 
| -    size_t* out_len, | 
| -    size_t max_out) { | 
| -  DCHECK_NE(kNoPendingResult, signature_result_); | 
| -  DCHECK(ssl_config_.client_private_key); | 
| - | 
| -  if (signature_result_ == ERR_IO_PENDING) | 
| -    return ssl_private_key_retry; | 
| -  if (signature_result_ != OK) { | 
| -    OpenSSLPutNetError(FROM_HERE, signature_result_); | 
| -    return ssl_private_key_failure; | 
| -  } | 
| -  if (signature_.size() > max_out) { | 
| -    OpenSSLPutNetError(FROM_HERE, ERR_SSL_CLIENT_AUTH_SIGNATURE_FAILED); | 
| -    return ssl_private_key_failure; | 
| -  } | 
| -  memcpy(out, signature_.data(), signature_.size()); | 
| -  *out_len = signature_.size(); | 
| -  signature_.clear(); | 
| -  return ssl_private_key_success; | 
| -} | 
| - | 
| -void SSLClientSocketOpenSSL::OnPrivateKeySignComplete( | 
| -    Error error, | 
| -    const std::vector<uint8_t>& signature) { | 
| -  DCHECK_EQ(ERR_IO_PENDING, signature_result_); | 
| -  DCHECK(signature_.empty()); | 
| -  DCHECK(ssl_config_.client_private_key); | 
| - | 
| -  net_log_.EndEventWithNetErrorCode(NetLog::TYPE_SSL_PRIVATE_KEY_OPERATION, | 
| -                                    error); | 
| - | 
| -  signature_result_ = error; | 
| -  if (signature_result_ == OK) | 
| -    signature_ = signature; | 
| - | 
| -  if (next_handshake_state_ == STATE_HANDSHAKE) { | 
| -    OnHandshakeIOComplete(signature_result_); | 
| -    return; | 
| -  } | 
| - | 
| -  // During a renegotiation, either Read or Write calls may be blocked on an | 
| -  // asynchronous private key operation. | 
| -  PumpReadWriteEvents(); | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::TokenBindingAdd(const uint8_t** out, | 
| -                                            size_t* out_len, | 
| -                                            int* out_alert_value) { | 
| -  if (ssl_config_.token_binding_params.empty()) { | 
| -    return 0; | 
| -  } | 
| -  crypto::AutoCBB output; | 
| -  CBB parameters_list; | 
| -  if (!CBB_init(output.get(), 7) || | 
| -      !CBB_add_u8(output.get(), kTbProtocolVersionMajor) || | 
| -      !CBB_add_u8(output.get(), kTbProtocolVersionMinor) || | 
| -      !CBB_add_u8_length_prefixed(output.get(), ¶meters_list)) { | 
| -    *out_alert_value = SSL_AD_INTERNAL_ERROR; | 
| -    return -1; | 
| -  } | 
| -  for (size_t i = 0; i < ssl_config_.token_binding_params.size(); ++i) { | 
| -    if (!CBB_add_u8(¶meters_list, ssl_config_.token_binding_params[i])) { | 
| -      *out_alert_value = SSL_AD_INTERNAL_ERROR; | 
| -      return -1; | 
| -    } | 
| -  } | 
| -  // |*out| will be freed by TokenBindingFreeCallback. | 
| -  if (!CBB_finish(output.get(), const_cast<uint8_t**>(out), out_len)) { | 
| -    *out_alert_value = SSL_AD_INTERNAL_ERROR; | 
| -    return -1; | 
| -  } | 
| - | 
| -  return 1; | 
| -} | 
| - | 
| -int SSLClientSocketOpenSSL::TokenBindingParse(const uint8_t* contents, | 
| -                                              size_t contents_len, | 
| -                                              int* out_alert_value) { | 
| -  if (completed_connect_) { | 
| -    // Token Binding may only be negotiated on the initial handshake. | 
| -    *out_alert_value = SSL_AD_ILLEGAL_PARAMETER; | 
| -    return 0; | 
| -  } | 
| - | 
| -  CBS extension; | 
| -  CBS_init(&extension, contents, contents_len); | 
| - | 
| -  CBS parameters_list; | 
| -  uint8_t version_major, version_minor, param; | 
| -  if (!CBS_get_u8(&extension, &version_major) || | 
| -      !CBS_get_u8(&extension, &version_minor) || | 
| -      !CBS_get_u8_length_prefixed(&extension, ¶meters_list) || | 
| -      !CBS_get_u8(¶meters_list, ¶m) || CBS_len(¶meters_list) > 0 || | 
| -      CBS_len(&extension) > 0) { | 
| -    *out_alert_value = SSL_AD_DECODE_ERROR; | 
| -    return 0; | 
| -  } | 
| -  // The server-negotiated version must be less than or equal to our version. | 
| -  if (version_major > kTbProtocolVersionMajor || | 
| -      (version_minor > kTbProtocolVersionMinor && | 
| -       version_major == kTbProtocolVersionMajor)) { | 
| -    *out_alert_value = SSL_AD_ILLEGAL_PARAMETER; | 
| -    return 0; | 
| -  } | 
| -  // If the version the server negotiated is older than we support, don't fail | 
| -  // parsing the extension, but also don't set |negotiated_|. | 
| -  if (version_major < kTbMinProtocolVersionMajor || | 
| -      (version_minor < kTbMinProtocolVersionMinor && | 
| -       version_major == kTbMinProtocolVersionMajor)) { | 
| -    return 1; | 
| -  } | 
| - | 
| -  for (size_t i = 0; i < ssl_config_.token_binding_params.size(); ++i) { | 
| -    if (param == ssl_config_.token_binding_params[i]) { | 
| -      tb_negotiated_param_ = ssl_config_.token_binding_params[i]; | 
| -      tb_was_negotiated_ = true; | 
| -      return 1; | 
| -    } | 
| -  } | 
| - | 
| -  *out_alert_value = SSL_AD_ILLEGAL_PARAMETER; | 
| -  return 0; | 
| -} | 
| - | 
| -}  // namespace net | 
|  |