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 |