CT: Adding preliminary Certificate Transparency support to Chromium.

chrome/browser/io_thread.cc

 // 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.
 
 #include "chrome/browser/io_thread.h"
 
 #include <vector>
 
+#include "base/base64.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/debug/leak_tracker.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
@@ skipping 24 matching lines @@
 #include "chrome/browser/policy/policy_service.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/browser_thread.h"
 #include "net/base/host_mapping_rules.h"
 #include "net/base/net_util.h"
 #include "net/base/network_time_notifier.h"
 #include "net/base/sdch_manager.h"
 #include "net/cert/cert_verifier.h"
+#include "net/cert/ct_verifier.h"
 #include "net/cookies/cookie_monster.h"
 #include "net/dns/host_cache.h"
 #include "net/dns/host_resolver.h"
 #include "net/dns/mapped_host_resolver.h"
 #include "net/ftp/ftp_network_layer.h"
 #include "net/http/http_auth_filter.h"
 #include "net/http/http_auth_handler_factory.h"
 #include "net/http/http_network_layer.h"
 #include "net/http/http_server_properties_impl.h"
 #include "net/proxy/proxy_config_service.h"
@@ skipping 12 matching lines @@
 #include "net/websockets/websocket_job.h"
 
 #if defined(OS_WIN)
 #include "win8/util/win8_util.h"
 #endif
 
 #if defined(ENABLE_CONFIGURATION_POLICY)
 #include "policy/policy_constants.h"
 #endif
 
+#if !defined(USE_OPENSSL)
+#include "net/cert/ct_log_verifier.h"
+#include "net/cert/single_log_ct_verifier.h"
+#else
+#error "This Chromium build will not support Certificate Transparency."
+#endif
+
 #if defined(USE_NSS) || defined(OS_IOS)
 #include "net/ocsp/nss_ocsp.h"
 #endif
 
 #if !defined(OS_IOS) && !defined(OS_ANDROID)
 #include "net/proxy/proxy_resolver_v8.h"
 #endif
 
 #if defined(OS_ANDROID) || defined(OS_IOS)
 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_settings.h"
@@ skipping 102 matching lines @@
 // See IOThread::Globals for details.
 net::URLRequestContext*
 ConstructProxyScriptFetcherContext(IOThread::Globals* globals,
                                    net::NetLog* net_log) {
   net::URLRequestContext* context = new net::URLRequestContext;
   context->set_net_log(net_log);
   context->set_host_resolver(globals->host_resolver.get());
   context->set_cert_verifier(globals->cert_verifier.get());
   context->set_transport_security_state(
       globals->transport_security_state.get());
+  context->set_cert_transparency_verifier(
+      globals->cert_transparency_verifier.get());
   context->set_http_auth_handler_factory(
       globals->http_auth_handler_factory.get());
   context->set_proxy_service(globals->proxy_script_fetcher_proxy_service.get());
   context->set_http_transaction_factory(
       globals->proxy_script_fetcher_http_transaction_factory.get());
   context->set_job_factory(
       globals->proxy_script_fetcher_url_request_job_factory.get());
   context->set_cookie_store(globals->system_cookie_store.get());
   context->set_server_bound_cert_service(
       globals->system_server_bound_cert_service.get());
   context->set_network_delegate(globals->system_network_delegate.get());
   context->set_http_user_agent_settings(
       globals->http_user_agent_settings.get());
   // TODO(rtenneti): We should probably use HttpServerPropertiesManager for the
   // system URLRequestContext too. There's no reason this should be tied to a
   // profile.
   return context;
 }
 
 net::URLRequestContext*
 ConstructSystemRequestContext(IOThread::Globals* globals,
                               net::NetLog* net_log) {
   net::URLRequestContext* context = new SystemURLRequestContext;
   context->set_net_log(net_log);
   context->set_host_resolver(globals->host_resolver.get());
   context->set_cert_verifier(globals->cert_verifier.get());
   context->set_transport_security_state(
       globals->transport_security_state.get());
+  context->set_cert_transparency_verifier(
+      globals->cert_transparency_verifier.get());
   context->set_http_auth_handler_factory(
       globals->http_auth_handler_factory.get());
   context->set_proxy_service(globals->system_proxy_service.get());
   context->set_http_transaction_factory(
       globals->system_http_transaction_factory.get());
   context->set_cookie_store(globals->system_cookie_store.get());
   context->set_server_bound_cert_service(
       globals->system_server_bound_cert_service.get());
   context->set_throttler_manager(globals->throttler_manager.get());
   context->set_network_delegate(globals->system_network_delegate.get());
@@ skipping 282 matching lines @@
   UpdateDnsClientEnabled();
   globals_->cert_verifier.reset(net::CertVerifier::CreateDefault());
   globals_->transport_security_state.reset(new net::TransportSecurityState());
   globals_->ssl_config_service = GetSSLConfigService();
 #if defined(OS_ANDROID) || defined(OS_IOS)
   if (DataReductionProxySettings::IsDataReductionProxyAllowed()) {
     spdyproxy_auth_origins_ =
         DataReductionProxySettings::GetDataReductionProxies();
   }
 #endif  // defined(OS_ANDROID) || defined(OS_IOS)
+#if !defined(USE_OPENSSL)
+  if (command_line.HasSwitch(switches::kEnableCertificateTransparency)) {
+    std::string switch_value = command_line.GetSwitchValueASCII(
+        switches::kEnableCertificateTransparency);
+    size_t delim_pos = switch_value.find(":");
+    if (delim_pos == std::string::npos) {
+      LOG(DFATAL) << "CT log description not provided (switch format" <<
+                  " is 'description:base64_key')";
+    }
+    std::string log_description(switch_value.substr(0, delim_pos));
+    std::string ct_public_key_data;
+    LOG(INFO) << "Log's public key supplied.";
+    if (!base::Base64Decode(switch_value.substr(delim_pos + 1),
+                            &ct_public_key_data)) {
+      LOG(DFATAL) << "Unable to decode CT public key.";
+    } else {
+      LOG(INFO) << "Log's public key decoded.";
+      scoped_ptr<net::CTLogVerifier> google_log_verifier(
+          net::CTLogVerifier::Create(ct_public_key_data, log_description));
+      if (!google_log_verifier) {
+        LOG(DFATAL) << "Unable to parse CT public key.";
+      } else {
+      LOG(INFO) << "Log's public key parsed.";
+        globals_->cert_transparency_verifier.reset(
+            new net::SingleLogCTVerifier(google_log_verifier.Pass()));
+      }
+    }
+  }
+#endif
   globals_->http_auth_handler_factory.reset(CreateDefaultAuthHandlerFactory(
       globals_->host_resolver.get()));
   globals_->http_server_properties.reset(new net::HttpServerPropertiesImpl());
   // For the ProxyScriptFetcher, we use a direct ProxyService.
   globals_->proxy_script_fetcher_proxy_service.reset(
       net::ProxyService::CreateDirectWithNetLog(net_log_));
   // In-memory cookie store.
   globals_->system_cookie_store = new net::CookieMonster(NULL, NULL);
   // In-memory server bound cert store.
   globals_->system_server_bound_cert_service.reset(
@@ skipping 484 matching lines @@
   if (command_line.HasSwitch(switches::kDisableQuicHttps))
     return false;
 
   if (command_line.HasSwitch(switches::kEnableQuicHttps))
     return true;
 
   // HTTPS over QUIC should only be enabled if we are in the https
   // field trial group.
   return quic_trial_group == kQuicFieldTrialHttpsEnabledGroupName;
 }