nss/nss_files/files-init.c

   1 /* Initialization in nss_files module.
   2    Copyright (C) 2011-2024 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   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, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #ifdef USE_NSCD
  20
  21 #include <string.h>
  22 #include <nscd/nscd.h>
  23 #include <nss.h>
  24 #include <nss_files.h>
  25
  26 static void
  27 register_file (void (*cb) (size_t, struct traced_file *),
  28                int db, const char *path, int crinit)
  29 {
  30   size_t pathlen = strlen (path) + 1;
  31   struct traced_file *file = malloc (sizeof (struct traced_file) + pathlen);
  32   /* Do not register anything on memory allocation failure.  nscd will
  33      fail soon anyway.  */
  34   if (file != NULL)
  35     {
  36       init_traced_file (file, path, crinit);
  37       cb (db, file);
  38     }
  39 }
  40
  41 void
  42 _nss_files_init (void (*cb) (size_t, struct traced_file *))
  43 {
  44   register_file (cb, pwddb, "/etc/passwd", 0);
  45   register_file (cb, grpdb, "/etc/group", 0);
  46   register_file (cb, hstdb, "/etc/hosts", 0);
  47   register_file (cb, hstdb, "/etc/resolv.conf", 1);
  48   register_file (cb, servdb, "/etc/services", 0);
  49   register_file (cb, netgrdb, "/etc/netgroup", 0);
  50 }
  51 libc_hidden_def (_nss_files_init)
  52
  53 #endif