1/* Check handling of missing end-of-line at end of /etc/aliases (bug 24059).
2 Copyright (C) 2019-2022 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#include <aliases.h>
20#include <gnu/lib-names.h>
21#include <nss.h>
22#include <stddef.h>
23#include <support/check.h>
24#include <support/namespace.h>
25#include <support/test-driver.h>
26#include <support/xdlfcn.h>
27#include <support/xunistd.h>
28
29static void
30in_chroot (void *closure)
31{
32 struct support_chroot *chroot_env = closure;
33 xchroot (path: chroot_env->path_chroot);
34
35 struct aliasent *e = getaliasbyname (name: "user1");
36 TEST_VERIFY_EXIT (e != NULL);
37 TEST_COMPARE_STRING (e->alias_name, "user1");
38 TEST_COMPARE (e->alias_members_len, 1);
39 TEST_VERIFY_EXIT (e->alias_members != NULL);
40 TEST_COMPARE_STRING (e->alias_members[0], "alias1");
41 TEST_VERIFY (e->alias_local);
42}
43
44static int
45do_test (void)
46{
47 /* Make sure we don't try to load the module in the chroot. */
48 xdlopen (LIBNSS_FILES_SO, RTLD_NOW);
49
50 __nss_configure_lookup (dbname: "aliases", string: "files");
51
52 support_become_root ();
53 if (!support_can_chroot ())
54 return EXIT_UNSUPPORTED;
55
56 struct support_chroot *chroot_env = support_chroot_create
57 ((struct support_chroot_configuration)
58 {
59 .aliases = "user1: alias1,\n"
60 " " /* Continuation line, but no \n. */
61 });
62
63 support_isolate_in_subprocess (callback: in_chroot, closure: chroot_env);
64
65 support_chroot_free (chroot_env);
66 return 0;
67}
68
69#include <support/test-driver.c>
70

source code of glibc/nss/tst-nss-files-alias-truncated.c