chrome/browser/net/nss_context_linux.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/net/nss_context.h"
   6
   7 #include "content/public/browser/browser_thread.h"
   8 #include "crypto/nss_util_internal.h"
   9 #include "net/cert/nss_cert_database.h"
  10
  11 namespace {
  12 net::NSSCertDatabase* g_nss_cert_database = NULL;
  13 }  // namespace
  14
  15 crypto::ScopedPK11Slot GetPublicNSSKeySlotForResourceContext(
  16     content::ResourceContext* context) {
  17   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
  18   return crypto::ScopedPK11Slot(crypto::GetPersistentNSSKeySlot());
  19 }
  20
  21 crypto::ScopedPK11Slot GetPrivateNSSKeySlotForResourceContext(
  22     content::ResourceContext* context,
  23     const base::Callback<void(crypto::ScopedPK11Slot)>& callback) {
  24   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
  25   return crypto::ScopedPK11Slot(crypto::GetPersistentNSSKeySlot());
  26 }
  27
  28 net::NSSCertDatabase* GetNSSCertDatabaseForResourceContext(
  29     content::ResourceContext* context,
  30     const base::Callback<void(net::NSSCertDatabase*)>& callback) {
  31   // This initialization is not thread safe. This CHECK ensures that this code
  32   // is only run on a single thread.
  33   CHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
  34   if (!g_nss_cert_database) {
  35     // Linux has only a single persistent slot compared to ChromeOS's separate
  36     // public and private slot.
  37     // Redirect any slot usage to this persistent slot on Linux.
  38     g_nss_cert_database = new net::NSSCertDatabase(
  39         crypto::ScopedPK11Slot(
  40             crypto::GetPersistentNSSKeySlot()) /* public slot */,
  41         crypto::ScopedPK11Slot(
  42             crypto::GetPersistentNSSKeySlot()) /* private slot */);
  43   }
  44   return g_nss_cert_database;
  45 }