nss/tst-nss-files-alias-truncated.c

   1 /* Check handling of missing end-of-line at end of /etc/aliases (bug 24059).
   2    Copyright (C) 2019 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    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <aliases.h>
  20 #include <nss.h>
  21 #include <stddef.h>
  22 #include <support/check.h>
  23 #include <support/namespace.h>
  24 #include <support/test-driver.h>
  25 #include <support/xunistd.h>
  26
  27 static void
  28 in_chroot (void *closure)
  29 {
  30   struct support_chroot *chroot_env = closure;
  31   xchroot (chroot_env->path_chroot);
  32
  33   struct aliasent *e = getaliasbyname ("user1");
  34   TEST_VERIFY_EXIT (e != NULL);
  35   TEST_COMPARE_STRING (e->alias_name, "user1");
  36   TEST_COMPARE (e->alias_members_len, 1);
  37   TEST_VERIFY_EXIT (e->alias_members != NULL);
  38   TEST_COMPARE_STRING (e->alias_members[0], "alias1");
  39   TEST_VERIFY (e->alias_local);
  40 }
  41
  42 static int
  43 do_test (void)
  44 {
  45   /* nss_files has already been loaded via DT_NEEDED, outside the
  46      chroot.  */
  47   __nss_configure_lookup ("aliases", "files");
  48
  49   support_become_root ();
  50   if (!support_can_chroot ())
  51     return EXIT_UNSUPPORTED;
  52
  53   struct support_chroot *chroot_env = support_chroot_create
  54     ((struct support_chroot_configuration)
  55      {
  56        .aliases = "user1: alias1,\n"
  57         " "              /* Continuation line, but no \n.  */
  58      });
  59
  60   support_isolate_in_subprocess (in_chroot, chroot_env);
  61
  62   support_chroot_free (chroot_env);
  63   return 0;
  64 }
  65
  66 #include <support/test-driver.c>