| // 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/extensions/api/messaging/native_process_launcher.h" |
| |
| #include "base/command_line.h" |
| #include "base/file_util.h" |
| #include "base/logging.h" |
| #include "base/posix/eintr_wrapper.h" |
| #include "base/process/launch.h" |
| |
| namespace extensions { |
| |
| namespace { |
| |
| const char kNativeMessagingDirectory[] = |
| #if defined(OFFICIAL_BUILD) && defined(OS_MACOSX) |
| "/Library/Google/Chrome/NativeMessagingHosts"; |
| #elif defined(OFFICIAL_BUILD) && !defined(OS_MACOSX) |
| "/etc/opt/chrome/native-messaging-hosts"; |
| #elif !defined(OFFICIAL_BUILD) && defined(OS_MACOSX) |
| "/Library/Application Support/Chromium/NativeMessagingHosts"; |
| #else |
| "/etc/chromium/native-messaging-hosts"; |
| #endif |
| |
| } // namespace |
| |
| // static |
| base::FilePath NativeProcessLauncher::FindManifest( |
| const std::string& native_host_name, |
| std::string* error_message) { |
| return base::FilePath(kNativeMessagingDirectory).Append( |
| native_host_name + ".json"); |
| } |
| |
| // static |
| bool NativeProcessLauncher::LaunchNativeProcess( |
| const CommandLine& command_line, |
| base::ProcessHandle* process_handle, |
| base::PlatformFile* read_file, |
| base::PlatformFile* write_file) { |
| base::FileHandleMappingVector fd_map; |
| |
| int read_pipe_fds[2] = {0}; |
| if (HANDLE_EINTR(pipe(read_pipe_fds)) != 0) { |
| LOG(ERROR) << "Bad read pipe"; |
| return false; |
| } |
| file_util::ScopedFD read_pipe_read_fd(&read_pipe_fds[0]); |
| file_util::ScopedFD read_pipe_write_fd(&read_pipe_fds[1]); |
| fd_map.push_back(std::make_pair(*read_pipe_write_fd, STDOUT_FILENO)); |
| |
| int write_pipe_fds[2] = {0}; |
| if (HANDLE_EINTR(pipe(write_pipe_fds)) != 0) { |
| LOG(ERROR) << "Bad write pipe"; |
| return false; |
| } |
| file_util::ScopedFD write_pipe_read_fd(&write_pipe_fds[0]); |
| file_util::ScopedFD write_pipe_write_fd(&write_pipe_fds[1]); |
| fd_map.push_back(std::make_pair(*write_pipe_read_fd, STDIN_FILENO)); |
| |
| base::LaunchOptions options; |
| options.fds_to_remap = &fd_map; |
| if (!base::LaunchProcess(command_line, options, process_handle)) { |
| LOG(ERROR) << "Error launching process"; |
| return false; |
| } |
| |
| // We will not be reading from the write pipe, nor writing from the read pipe. |
| write_pipe_read_fd.reset(); |
| read_pipe_write_fd.reset(); |
| |
| *read_file = *read_pipe_read_fd.release(); |
| *write_file = *write_pipe_write_fd.release(); |
| |
| return true; |
| } |
| |
| } // namespace extensions |