Add support for loading certificate revocation lists (issue #2213)

BUILD.gn

@@ -422,6 +422,7 @@ static_library("libcef_static") {
     "libcef/browser/net/chrome_scheme_handler.h",
     "libcef/browser/net/cookie_store_proxy.cc",
     "libcef/browser/net/cookie_store_proxy.h",
+    "libcef/browser/net/crlset_file_util_impl.cc",
     "libcef/browser/net/devtools_scheme_handler.cc",
     "libcef/browser/net/devtools_scheme_handler.h",
     "libcef/browser/net/internal_scheme_handler.cc",

include/capi/cef_file_util_capi.h

@@ -33,7 +33,7 @@
 // by hand. See the translator.README.txt file in the tools directory for
 // more information.
 //
-// $hash=4601edefadfafea031f2c5df498262fc2142252b$
+// $hash=1c02b57893a3f78c436bc2ab66c63753edfb174a$
 //
 
 #ifndef CEF_INCLUDE_CAPI_CEF_FILE_UTIL_CAPI_H_
@@ -114,6 +114,16 @@ CEF_EXPORT int cef_zip_directory(const cef_string_t* src_dir,
                                  const cef_string_t* dest_file,
                                  int include_hidden_files);
 
+///
+// Loads the existing "Certificate Revocation Lists" file that is managed by
+// Google Chrome. This file can generally be found in Chrome's User Data
+// directory (e.g. "C:\Users\[User]\AppData\Local\Google\Chrome\User Data\" on
+// Windows) and is updated periodically by Chrome's component updater service.
+// Must be called in the browser process after the context has been initialized.
+// See https://dev.chromium.org/Home/chromium-security/crlsets for background.
+///
+CEF_EXPORT void cef_load_crlsets_file(const cef_string_t* path);
+
 #ifdef __cplusplus
 }
 #endif

include/cef_file_util.h

@@ -115,4 +115,15 @@ bool CefZipDirectory(const CefString& src_dir,
                      const CefString& dest_file,
                      bool include_hidden_files);
 
+///
+// Loads the existing "Certificate Revocation Lists" file that is managed by
+// Google Chrome. This file can generally be found in Chrome's User Data
+// directory (e.g. "C:\Users\[User]\AppData\Local\Google\Chrome\User Data\" on
+// Windows) and is updated periodically by Chrome's component updater service.
+// Must be called in the browser process after the context has been initialized.
+// See https://dev.chromium.org/Home/chromium-security/crlsets for background.
+///
+/*--cef()--*/
+void CefLoadCRLSetsFile(const CefString& path);
+
 #endif  // CEF_INCLUDE_CEF_FILE_UTIL_H_

libcef/browser/net/crlset_file_util_impl.cc

@@ -0,0 +1,65 @@
+// Copyright 2017 The Chromium Embedded Framework 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 "include/cef_file_util.h"
+
+#include "libcef/browser/context.h"
+#include "libcef/browser/thread_util.h"
+
+#include "base/files/file_util.h"
+#include "base/logging.h"
+#include "base/task_scheduler/post_task.h"
+#include "base/threading/thread_restrictions.h"
+#include "net/cert/crl_set.h"
+#include "net/cert/crl_set_storage.h"
+#include "net/ssl/ssl_config_service.h"
+
+namespace {
+
+// Based on chrome/browser/net/crl_set_fetcher.cc.
+
+void SetCRLSetIfNewer(scoped_refptr<net::CRLSet> crl_set) {
+  CEF_REQUIRE_IOT();
+
+  scoped_refptr<net::CRLSet> old_crl_set(net::SSLConfigService::GetCRLSet());
+  if (old_crl_set.get() && old_crl_set->sequence() > crl_set->sequence()) {
+    LOG(WARNING) << "Refusing to downgrade CRL set from #"
+                 << old_crl_set->sequence() << "to #" << crl_set->sequence();
+  } else {
+    net::SSLConfigService::SetCRLSet(crl_set);
+    VLOG(1) << "Installed CRL set #" << crl_set->sequence();
+  }
+}
+
+void LoadFromDisk(const base::FilePath& path) {
+  base::ThreadRestrictions::AssertIOAllowed();
+
+  std::string crl_set_bytes;
+  if (!base::ReadFileToString(path, &crl_set_bytes)) {
+    LOG(WARNING) << "Failed to read CRL set from " << path.MaybeAsASCII();
+    return;
+  }
+
+  scoped_refptr<net::CRLSet> crl_set;
+  if (!net::CRLSetStorage::Parse(crl_set_bytes, &crl_set)) {
+    LOG(WARNING) << "Failed to parse CRL set from " << path.MaybeAsASCII();
+    return;
+  }
+
+  VLOG(1) << "Loaded " << crl_set_bytes.size() << " bytes of CRL set from disk";
+  CEF_POST_TASK(CEF_IOT, base::BindOnce(&SetCRLSetIfNewer, crl_set));
+}
+
+}  // namespace
+
+void CefLoadCRLSetsFile(const CefString& path) {
+  if (!CONTEXT_STATE_VALID()) {
+    NOTREACHED() << "context not valid";
+    return;
+  }
+
+  base::PostTaskWithTraits(FROM_HERE,
+                           {base::TaskPriority::BACKGROUND, base::MayBlock()},
+                           base::BindOnce(&LoadFromDisk, path));
+}

libcef_dll/libcef_dll.cc

@@ -9,7 +9,7 @@
 // implementations. See the translator.README.txt file in the tools directory
 // for more information.
 //
-// $hash=2ff7a51013987b111a12b700a0e018eb0bb08edc$
+// $hash=45f1ced8a482b44d73c8538fbbdbc27e73003d6f$
 //
 
 #include "include/capi/cef_app_capi.h"
@@ -584,6 +584,18 @@ CEF_EXPORT int cef_zip_directory(const cef_string_t* src_dir,
   return _retval;
 }
 
+CEF_EXPORT void cef_load_crlsets_file(const cef_string_t* path) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: path; type: string_byref_const
+  DCHECK(path);
+  if (!path)
+    return;
+
+  // Execute
+  CefLoadCRLSetsFile(CefString(path));
+}
+
 CEF_EXPORT int cef_get_geolocation(
     struct _cef_get_geolocation_callback_t* callback) {
   // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING

libcef_dll/wrapper/libcef_dll_wrapper.cc

@@ -9,7 +9,7 @@
 // implementations. See the translator.README.txt file in the tools directory
 // for more information.
 //
-// $hash=da690070ed610a81d9f5dcab623ca7822dbd0ac1$
+// $hash=5adfe7f61a476b5b7dac0365f481efc213b3c579$
 //
 
 #include "include/capi/cef_app_capi.h"
@@ -553,6 +553,18 @@ CEF_GLOBAL bool CefZipDirectory(const CefString& src_dir,
   return _retval ? true : false;
 }
 
+CEF_GLOBAL void CefLoadCRLSetsFile(const CefString& path) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: path; type: string_byref_const
+  DCHECK(!path.empty());
+  if (path.empty())
+    return;
+
+  // Execute
+  cef_load_crlsets_file(path.GetStruct());
+}
+
 CEF_GLOBAL bool CefGetGeolocation(
     CefRefPtr<CefGetGeolocationCallback> callback) {
   // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING

tests/cefclient/browser/client_browser.cc

@@ -4,7 +4,10 @@
 
 #include "tests/cefclient/browser/client_browser.h"
 
+#include "include/cef_command_line.h"
 #include "include/cef_crash_util.h"
+#include "include/cef_file_util.h"
+#include "tests/shared/common/client_switches.h"
 
 namespace client {
 namespace browser {
@@ -23,6 +26,14 @@ class ClientBrowserDelegate : public ClientAppBrowser::Delegate {
       CefSetCrashKeyValue("testkey2", "value2_browser");
       CefSetCrashKeyValue("testkey3", "value3_browser");
     }
+
+    const std::string& crl_sets_path =
+        CefCommandLine::GetGlobalCommandLine()->GetSwitchValue(
+            switches::kCRLSetsPath);
+    if (!crl_sets_path.empty()) {
+      // Load the CRLSets file from the specified path.
+      CefLoadCRLSetsFile(crl_sets_path);
+    }
   }
 
  private:

tests/shared/common/client_switches.cc

@@ -37,6 +37,7 @@ const char kHideControls[] = "hide-controls";
 const char kHideTopMenu[] = "hide-top-menu";
 const char kWidevineCdmPath[] = "widevine-cdm-path";
 const char kSslClientCertificate[] = "ssl-client-certificate";
+const char kCRLSetsPath[] = "crl-sets-path";
 
 }  // namespace switches
 }  // namespace client

tests/shared/common/client_switches.h

@@ -31,6 +31,7 @@ extern const char kHideControls[];
 extern const char kHideTopMenu[];
 extern const char kWidevineCdmPath[];
 extern const char kSslClientCertificate[];
+extern const char kCRLSetsPath[];
 
 }  // namespace switches
 }  // namespace client