port to use centralized constants files, and add input validation

session_manager_main.cc

 // Copyright (c) 2009-2010 The Chromium OS 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 <errno.h>
 #include <stdlib.h>
 #include <sys/types.h>
 #include <unistd.h>
 
 #include <base/basictypes.h>
 #include <base/command_line.h>
 #include <base/logging.h>
 #include <chromeos/dbus/dbus.h>
 #include <chromeos/glib/object.h>
 
 #include "login_manager/child_job.h"
 #include "login_manager/file_checker.h"
 #include "login_manager/session_manager_service.h"
+#include "login_manager/system_utils.h"
 
 // Watches a Chrome binary and restarts it when it crashes.
 // Can also create and watch a named pipe and respond to IPCs defined
 // in ipc_messages.h
 // Usage:
 //   session_manager --uid=1000 --login --pipe=/path/to/pipe --
 //     /path/to/command [arg1 [arg2 [ . . . ] ] ]
 
 namespace switches {
 static const char kDisableChromeRestartFile[] = "disable-chrome-restart-file";
@@ skipping 51 matching lines @@
 
   login_manager::SetUidExecJob* child_job =
       new login_manager::SetUidExecJob(cl,
                                        new login_manager::FileChecker(
                                            magic_chrome_file.c_str()),
                                        add_login_flag);
   if (set_uid)
     child_job->set_uid(uid);
 
   ::g_type_init();
-  login_manager::SessionManagerService manager(child_job,
-                                               false);  // FOR NOW.
+  login_manager::SessionManagerService manager(child_job);
 
   LOG_IF(FATAL, !manager.Initialize()) << "Failed";
   LOG_IF(FATAL, !manager.Register(chromeos::dbus::GetSystemBusConnection()))
     << "Failed";
   LOG_IF(FATAL, !manager.Run()) << "Failed";
   return 0;
 }