| // Copyright 2013 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 "components/nacl/common/nacl_paths.h" |
| |
| #include "base/command_line.h" |
| #include "base/files/file_util.h" |
| #include "base/path_service.h" |
| #include "components/nacl/common/nacl_switches.h" |
| |
| namespace { |
| |
| #if defined(OS_LINUX) |
| // File name of the nacl_helper and nacl_helper_bootstrap, Linux only. |
| const base::FilePath::CharType kInternalNaClHelperFileName[] = |
| FILE_PATH_LITERAL("nacl_helper"); |
| const base::FilePath::CharType kInternalNaClHelperNonSfiFileName[] = |
| FILE_PATH_LITERAL("nacl_helper_nonsfi"); |
| const base::FilePath::CharType kInternalNaClHelperBootstrapFileName[] = |
| FILE_PATH_LITERAL("nacl_helper_bootstrap"); |
| |
| bool GetNaClHelperPath(const base::FilePath::CharType* filename, |
| base::FilePath* output) { |
| if (!PathService::Get(base::DIR_MODULE, output)) |
| return false; |
| *output = output->Append(filename); |
| return true; |
| } |
| |
| #endif |
| |
| } // namespace |
| |
| namespace nacl { |
| |
| bool PathProvider(int key, base::FilePath* result) { |
| switch (key) { |
| #if defined(OS_LINUX) |
| case FILE_NACL_HELPER: |
| return GetNaClHelperPath(kInternalNaClHelperFileName, result); |
| case FILE_NACL_HELPER_NONSFI: |
| if (!base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kUseNaClHelperNonSfi)) { |
| // Currently nacl_helper_nonsfi is disabled, so use nacl_helper |
| // in Non-SFI mode instead. |
| // TODO(hidehiko): Remove this code path after nacl_helper_nonsfi |
| // is supported. |
| return GetNaClHelperPath(kInternalNaClHelperFileName, result); |
| } |
| return GetNaClHelperPath(kInternalNaClHelperNonSfiFileName, result); |
| case FILE_NACL_HELPER_BOOTSTRAP: |
| return GetNaClHelperPath(kInternalNaClHelperBootstrapFileName, result); |
| #endif |
| default: |
| return false; |
| } |
| } |
| |
| // This cannot be done as a static initializer sadly since Visual Studio will |
| // eliminate this object file if there is no direct entry point into it. |
| void RegisterPathProvider() { |
| PathService::RegisterProvider(PathProvider, PATH_START, PATH_END); |
| } |
| |
| } // namespace nacl |