Emeric Vigier | 2f62582 | 2012-08-06 11:09:52 -0400 | [diff] [blame] | 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 | |
| 35 | static int |
| 36 | convert_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 | |
| 71 | int |
| 72 | main (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 | |