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 } 100 101
