content/common/sandbox_init_win.cc

   1 // Copyright (c) 2012 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 "content/public/common/sandbox_init.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/logging.h"
   9 #include "content/common/sandbox_win.h"
  10 #include "content/public/common/content_switches.h"
  11 #include "sandbox/win/src/sandbox.h"
  12 #include "sandbox/win/src/sandbox_types.h"
  13
  14 namespace content {
  15
  16 bool InitializeSandbox(sandbox::SandboxInterfaceInfo* sandbox_info) {
  17   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
  18   sandbox::BrokerServices* broker_services = sandbox_info->broker_services;
  19   if (broker_services) {
  20     if (!InitBrokerServices(broker_services))
  21       return false;
  22
  23     // IMPORTANT: This piece of code needs to run as early as possible in the
  24     // process because it will initialize the sandbox broker, which requires the
  25     // process to swap its window station. During this time all the UI will be
  26     // broken. This has to run before threads and windows are created.
  27     if (!command_line.HasSwitch(switches::kNoSandbox)) {
  28       bool use_winsta = !command_line.HasSwitch(
  29           switches::kDisableAltWinstation);
  30       // Precreate the desktop and window station used by the renderers.
  31       sandbox::TargetPolicy* policy = broker_services->CreatePolicy();
  32       sandbox::ResultCode result = policy->CreateAlternateDesktop(use_winsta);
  33       CHECK(sandbox::SBOX_ERROR_FAILED_TO_SWITCH_BACK_WINSTATION != result);
  34       policy->Release();
  35     }
  36     return true;
  37   }
  38
  39   if (command_line.HasSwitch(switches::kNoSandbox))
  40     return true;
  41
  42   sandbox::TargetServices* target_services = sandbox_info->target_services;
  43   return InitTargetServices(target_services);
  44 }
  45
  46 }  // namespace content