loginutils/deluser.c

   1 /* vi: set sw=4 ts=4: */
   2 /*
   3  * deluser/delgroup implementation for busybox
   4  *
   5  * Copyright (C) 1999 by Lineo, inc. and John Beppu
   6  * Copyright (C) 1999,2000,2001 by John Beppu <beppu@codepoet.org>
   7  * Copyright (C) 2007 by Tito Ragusa <farmatito@tiscali.it>
   8  *
   9  * Licensed under GPL version 2, see file LICENSE in this tarball for details.
  10  *
  11  */
  12 #include "libbb.h"
  13
  14 int deluser_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  15 int deluser_main(int argc, char **argv)
  16 {
  17         if (argc != 2
  18          && (!ENABLE_FEATURE_DEL_USER_FROM_GROUP
  19             || applet_name[3] != 'g'
  20             || argc != 3)
  21         ) {
  22                 bb_show_usage();
  23         }
  24
  25         if (geteuid())
  26                 bb_error_msg_and_die(bb_msg_perm_denied_are_you_root);
  27
  28         if (ENABLE_DELUSER && applet_name[3] == 'u') {
  29                 /* deluser USER */
  30                 if (update_passwd(bb_path_passwd_file, argv[1], NULL, NULL) < 0)
  31                         return EXIT_FAILURE;
  32                 if (ENABLE_FEATURE_SHADOWPASSWDS)
  33                         if (update_passwd(bb_path_shadow_file, argv[1], NULL, NULL) < 0)
  34                                 return EXIT_FAILURE;
  35         } else if (ENABLE_DELGROUP) {
  36                 /* delgroup ... */
  37                 if (!ENABLE_FEATURE_DEL_USER_FROM_GROUP || argc != 3) {
  38                         /* delgroup GROUP */
  39                         if (update_passwd(bb_path_group_file, argv[1], NULL, NULL) < 0)
  40                                 return EXIT_FAILURE;
  41                         if (ENABLE_FEATURE_SHADOWPASSWDS)
  42                                 if (update_passwd(bb_path_gshadow_file, argv[1], NULL, NULL) < 0)
  43                                         return EXIT_FAILURE;
  44                 } else {
  45                         /* delgroup USER GROUP */
  46                         if (update_passwd(bb_path_group_file, argv[2], NULL, argv[1]) < 0)
  47                                 return EXIT_FAILURE;
  48                         if (ENABLE_FEATURE_SHADOWPASSWDS)
  49                                 if (update_passwd(bb_path_gshadow_file, argv[2], NULL, argv[1]) < 0)
  50                                         return EXIT_FAILURE;
  51                 }
  52         }
  53         return EXIT_SUCCESS;
  54 }