1/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
2/* activation-helper-bin.c  Setuid helper for launching programs as a custom
3 *                          user. This file is security sensitive.
4 *
5 * Copyright (C) 2007 Red Hat, Inc.
6 *
7 * Licensed under the Academic Free License version 2.1
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
22 *
23 */
24
25#include <config.h>
26
27#include "utils.h"
28#include "activation-helper.h"
29#include "activation-exit-codes.h"
30
31#include <stdio.h>
32#include <stdlib.h>
33#include <string.h>
34
35static int
36convert_error_to_exit_code (DBusError *error)
37{
38  if (dbus_error_has_name (error, DBUS_ERROR_NO_MEMORY))
39    return BUS_SPAWN_EXIT_CODE_NO_MEMORY;
40
41  if (dbus_error_has_name (error, DBUS_ERROR_SPAWN_CONFIG_INVALID))
42    return BUS_SPAWN_EXIT_CODE_CONFIG_INVALID;
43
44  if (dbus_error_has_name (error, DBUS_ERROR_SPAWN_SETUP_FAILED))
45    return BUS_SPAWN_EXIT_CODE_SETUP_FAILED;
46
47  if (dbus_error_has_name (error, DBUS_ERROR_SPAWN_SERVICE_INVALID))
48    return BUS_SPAWN_EXIT_CODE_SERVICE_NOT_FOUND;
49
50  if (dbus_error_has_name (error, DBUS_ERROR_SPAWN_PERMISSIONS_INVALID))
51    return BUS_SPAWN_EXIT_CODE_PERMISSIONS_INVALID;
52
53  if (dbus_error_has_name (error, DBUS_ERROR_SPAWN_FILE_INVALID))
54    return BUS_SPAWN_EXIT_CODE_FILE_INVALID;
55
56  if (dbus_error_has_name (error, DBUS_ERROR_SPAWN_EXEC_FAILED))
57    return BUS_SPAWN_EXIT_CODE_EXEC_FAILED;
58
59  if (dbus_error_has_name (error, DBUS_ERROR_INVALID_ARGS))
60    return BUS_SPAWN_EXIT_CODE_INVALID_ARGS;
61
62  if (dbus_error_has_name (error, DBUS_ERROR_SPAWN_CHILD_SIGNALED))
63    return BUS_SPAWN_EXIT_CODE_CHILD_SIGNALED;
64
65  /* should we assert? */
66  fprintf(stderr, "%s: %s\n", error->name, error->message);
67
68  return BUS_SPAWN_EXIT_CODE_SETUP_FAILED;
69}
70
71int
72main (int argc, char **argv)
73{
74  DBusError error;
75  int retval;
76
77  /* default is all okay */
78  retval = 0;
79
80  /* have we used a help option or not specified the correct arguments? */
81  if (argc != 2 ||
82      strcmp (argv[1], "--help") == 0 ||
83      strcmp (argv[1], "-h") == 0 ||
84      strcmp (argv[1], "-?") == 0)
85    {
86        fprintf (stderr, "dbus-daemon-activation-helper service.to.activate\n");
87        exit (0);
88    }
89
90  dbus_error_init (&error);
91  if (!run_launch_helper (argv[1], &error))
92    {
93      /* convert error to an exit code */
94      retval = convert_error_to_exit_code (&error);
95      dbus_error_free (&error);
96    }
97
98  return retval;
99}
100
101