nscd/nscd_nischeck.c

   1 /* Copyright (c) 1999, 2002, 2003, 2004 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Thorsten Kukuk <kukuk@suse.de>, 1999.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 /* nscd_nischeck: Check, if everybody has read permissions for NIS+ table.
  21    Return value:
  22     0: Everybody can read the NIS+ table
  23     1: Only authenticated users could read the NIS+ table */
  24
  25 #include <argp.h>
  26 #include <error.h>
  27 #include <stdlib.h>
  28 #include <libintl.h>
  29 #include <locale.h>
  30 #include <rpcsvc/nis.h>
  31
  32 /* Get libc version number.  */
  33 #include <version.h>
  34
  35 #define PACKAGE _libc_intl_domainname
  36
  37 /* Name and version of program.  */
  38 static void print_version (FILE *stream, struct argp_state *state);
  39 void (*argp_program_version_hook) (FILE *, struct argp_state *) = print_version;
  40
  41 /* Data structure to communicate with argp functions.  */
  42 static struct argp argp =
  43 {
  44   NULL, NULL, NULL, NULL,
  45 };
  46
  47 int
  48 main (int argc, char **argv)
  49 {
  50   int remaining;
  51   nis_result *res;
  52   char *tablename, *cp;
  53
  54   /* Set locale via LC_ALL.  */
  55   setlocale (LC_ALL, "");
  56   /* Set the text message domain.  */
  57   textdomain (PACKAGE);
  58
  59   /* Parse and process arguments.  */
  60   argp_parse (&argp, argc, argv, 0, &remaining, NULL);
  61
  62   if (remaining + 1 != argc)
  63     {
  64       error (0, 0, gettext ("wrong number of arguments"));
  65       argp_help (&argp, stdout, ARGP_HELP_SEE, program_invocation_short_name);
  66       exit (EXIT_FAILURE);
  67     }
  68
  69   tablename = alloca (strlen (argv[1]) + 10);
  70   cp = stpcpy (tablename, argv[1]);
  71   strcpy (cp, ".org_dir");
  72
  73   res = nis_lookup (tablename, EXPAND_NAME|FOLLOW_LINKS);
  74
  75   if (res == NULL ||
  76       (res->status != NIS_SUCCESS && res->status != NIS_S_SUCCESS))
  77     return 0;
  78
  79   if (NIS_NOBODY(NIS_RES_OBJECT(res)->zo_access, NIS_READ_ACC))
  80     return 0;
  81   else
  82     return 1;
  83 }
  84
  85 /* Print the version information.  */
  86 static void
  87 print_version (FILE *stream, struct argp_state *state)
  88 {
  89   fprintf (stream, "nscd_nischeck (GNU %s) %s\n", PACKAGE, VERSION);
  90   fprintf (stream, gettext ("\
  91 Copyright (C) %s Free Software Foundation, Inc.\n\
  92 This is free software; see the source for copying conditions.  There is NO\n\
  93 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
  94 "), "2004");
  95   fprintf (stream, gettext ("Written by %s.\n"), "Thorsten Kukuk");
  96 }