1 | /* getpwent failure when dlopen clobbers errno (bug 28953). |
2 | Copyright (C) 2022-2024 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 | #include <nss.h> |
20 | #include <support/check.h> |
21 | #include <stdlib.h> |
22 | #include <errno.h> |
23 | #include <stdbool.h> |
24 | #include <pwd.h> |
25 | #include <string.h> |
26 | |
27 | static int |
28 | do_test (void) |
29 | { |
30 | __nss_configure_lookup (dbname: "passwd" , string: "files test_errno" ); |
31 | |
32 | errno = 0; |
33 | setpwent (); |
34 | TEST_COMPARE (errno, 0); |
35 | |
36 | bool root_seen = false; |
37 | while (true) |
38 | { |
39 | errno = 0; |
40 | struct passwd *e = getpwent (); |
41 | if (e == NULL) |
42 | break; |
43 | if (strcmp (e->pw_name, "root" )) |
44 | root_seen = true; |
45 | } |
46 | |
47 | TEST_COMPARE (errno, 0); |
48 | TEST_VERIFY (root_seen); |
49 | |
50 | errno = 0; |
51 | endpwent (); |
52 | TEST_COMPARE (errno, 0); |
53 | |
54 | TEST_COMPARE_STRING (getenv ("_nss_test_errno_setpwent" ), "yes" ); |
55 | TEST_COMPARE_STRING (getenv ("_nss_test_errno_getpwent_r" ), "yes" ); |
56 | TEST_COMPARE_STRING (getenv ("_nss_test_errno_endpwent" ), "yes" ); |
57 | |
58 | return 0; |
59 | } |
60 | |
61 | #include <support/test-driver.c> |
62 | |