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04277e02 | 1 | /* Copyright (C) 2015-2019 Free Software Foundation, Inc. |
03d2730b FW |
2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
15 | License along with the GNU C Library; if not, see | |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
03d2730b | 17 | |
d7536874 | 18 | #include <nss.h> |
03d2730b FW |
19 | #include <pwd.h> |
20 | #include <stdbool.h> | |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
24 | ||
a3fe6a20 DD |
25 | #include <support/support.h> |
26 | ||
03d2730b FW |
27 | int |
28 | do_test (void) | |
29 | { | |
d7536874 FW |
30 | __nss_configure_lookup ("passwd", "files"); |
31 | ||
03d2730b FW |
32 | /* Count the number of entries in the password database, and fetch |
33 | data from the first and last entries. */ | |
34 | size_t count = 0; | |
35 | struct passwd * pw; | |
36 | char *first_name = NULL; | |
37 | uid_t first_uid = 0; | |
38 | char *last_name = NULL; | |
39 | uid_t last_uid = 0; | |
40 | setpwent (); | |
41 | while ((pw = getpwent ()) != NULL) | |
42 | { | |
43 | if (first_name == NULL) | |
44 | { | |
a3fe6a20 | 45 | first_name = xstrdup (pw->pw_name); |
03d2730b FW |
46 | first_uid = pw->pw_uid; |
47 | } | |
48 | ||
49 | free (last_name); | |
a3fe6a20 | 50 | last_name = xstrdup (pw->pw_name); |
03d2730b FW |
51 | last_uid = pw->pw_uid; |
52 | ++count; | |
53 | } | |
54 | endpwent (); | |
55 | ||
56 | if (count == 0) | |
57 | { | |
58 | printf ("No entries in the password database.\n"); | |
59 | return 0; | |
60 | } | |
61 | ||
62 | /* Try again, this time interleaving with name-based and UID-based | |
63 | lookup operations. The counts do not match if the interleaved | |
64 | lookups affected the enumeration. */ | |
65 | size_t new_count = 0; | |
66 | setpwent (); | |
67 | while ((pw = getpwent ()) != NULL) | |
68 | { | |
69 | if (new_count == count) | |
70 | { | |
71 | printf ("Additional entry in the password database.\n"); | |
72 | return 1; | |
73 | } | |
74 | ++new_count; | |
75 | struct passwd *pw2 = getpwnam (first_name); | |
76 | if (pw2 == NULL) | |
77 | { | |
78 | printf ("getpwnam (%s) failed: %m\n", first_name); | |
79 | return 1; | |
80 | } | |
81 | pw2 = getpwnam (last_name); | |
82 | if (pw2 == NULL) | |
83 | { | |
84 | printf ("getpwnam (%s) failed: %m\n", last_name); | |
85 | return 1; | |
86 | } | |
87 | pw2 = getpwuid (first_uid); | |
88 | if (pw2 == NULL) | |
89 | { | |
90 | printf ("getpwuid (%llu) failed: %m\n", | |
91 | (unsigned long long) first_uid); | |
92 | return 1; | |
93 | } | |
94 | pw2 = getpwuid (last_uid); | |
95 | if (pw2 == NULL) | |
96 | { | |
97 | printf ("getpwuid (%llu) failed: %m\n", | |
98 | (unsigned long long) last_uid); | |
99 | return 1; | |
100 | } | |
101 | } | |
102 | endpwent (); | |
103 | if (new_count < count) | |
104 | { | |
105 | printf ("Missing entry in the password database.\n"); | |
106 | return 1; | |
107 | } | |
108 | ||
109 | return 0; | |
110 | } | |
111 | ||
983a9637 | 112 | #define TIMEOUT 300 |
a3fe6a20 | 113 | #include <support/test-driver.c> |