1/* Basic test of passwd database handling.
2 Copyright (C) 2017-2022 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 <nss.h>
20#include <pwd.h>
21#include <stdio.h>
22#include <stdlib.h>
23#include <string.h>
24
25#include <support/support.h>
26
27#include "nss_test.h"
28
29static int hook_called = 0;
30
31/* Note: the values chosen here are arbitrary; they need only be
32 unique within the table. However, they do need to match the
33 "pwdids" array further down. */
34static struct passwd pwd_table[] = {
35 PWD (100),
36 PWD (30),
37 PWD (200),
38 PWD (60),
39 PWD (20000),
40 PWD_LAST ()
41 };
42
43void
44_nss_test1_init_hook(test_tables *t)
45{
46 hook_called = 1;
47 t->pwd_table = pwd_table;
48}
49
50static int
51do_test (void)
52{
53 int retval = 0;
54
55 __nss_configure_lookup (dbname: "passwd", string: "test1");
56
57 /* This must match the pwd_table above. */
58 static const unsigned int pwdids[] = { 100, 30, 200, 60, 20000 };
59#define npwdids (sizeof (pwdids) / sizeof (pwdids[0]))
60
61 setpwent ();
62
63 const unsigned int *np = pwdids;
64 for (struct passwd *p = getpwent (); p != NULL; ++np, p = getpwent ())
65 {
66 retval += compare_passwds (i: np-pwdids, p, e: & pwd_table[np-pwdids]);
67
68 if (p->pw_uid != *np || strncmp (p->pw_name, "name", 4) != 0
69 || atol (nptr: p->pw_name + 4) != *np)
70 {
71 printf (format: "FAIL: passwd entry %td wrong (%s, %u)\n",
72 np - pwdids, p->pw_name, p->pw_uid);
73 retval = 1;
74 break;
75 }
76 }
77
78 endpwent ();
79
80 for (int i = npwdids - 1; i >= 0; --i)
81 {
82 char buf[30];
83 snprintf (s: buf, maxlen: sizeof (buf), format: "name%u", pwdids[i]);
84
85 struct passwd *p = getpwnam (name: buf);
86 if (p == NULL || p->pw_uid != pwdids[i] || strcmp (buf, p->pw_name) != 0)
87 {
88 printf (format: "FAIL: passwd entry \"%s\" wrong\n", buf);
89 retval = 1;
90 }
91
92 p = getpwuid (uid: pwdids[i]);
93 if (p == NULL || p->pw_uid != pwdids[i] || strcmp (buf, p->pw_name) != 0)
94 {
95 printf (format: "FAIL: passwd entry %u wrong\n", pwdids[i]);
96 retval = 1;
97 }
98
99 snprintf (s: buf, maxlen: sizeof (buf), format: "name%u", pwdids[i] + 1);
100
101 p = getpwnam (name: buf);
102 if (p != NULL)
103 {
104 printf (format: "FAIL: passwd entry \"%s\" wrong\n", buf);
105 retval = 1;
106 }
107
108 p = getpwuid (uid: pwdids[i] + 1);
109 if (p != NULL)
110 {
111 printf (format: "FAIL: passwd entry %u wrong\n", pwdids[i] + 1);
112 retval = 1;
113 }
114 }
115
116 if (!hook_called)
117 {
118 retval = 1;
119 printf(format: "FAIL: init hook never called\n");
120 }
121
122 return retval;
123}
124
125#include <support/test-driver.c>
126

source code of glibc/nss/tst-nss-test1.c