1 /* Basic test for two passwd databases.
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 
29 /* The data in these tables is arbitrary, but the merged data based on
30    the first two tables will be compared against the expected data in
31    the pwd_expected table, and the tests[] array.  */
32 
33 static struct passwd pwd_table_1[] = {
34     PWD (100),
35     PWD (30),
36     PWD (200),
37     PWD (60),
38     PWD (20000),
39     PWD_LAST ()
40   };
41 
42 static struct passwd pwd_table_2[] = {
43     PWD (5),
44     PWD_N(200, "name30"),
45     PWD (16),
46     PWD_LAST ()
47   };
48 
49 void
_nss_test1_init_hook(test_tables * t)50 _nss_test1_init_hook(test_tables *t)
51 {
52   t->pwd_table = pwd_table_1;
53 }
54 
55 void
_nss_test2_init_hook(test_tables * t)56 _nss_test2_init_hook(test_tables *t)
57 {
58   t->pwd_table = pwd_table_2;
59 }
60 
61 static struct passwd pwd_expected[] = {
62   PWD(100),
63   PWD(30),
64   PWD(200),
65   PWD(60),
66   PWD(20000),
67   PWD(5),
68   PWD_N(200, "name30"),
69   PWD(16),
70   PWD_LAST ()
71 };
72 
73 static struct {
74   uid_t uid;
75   const char *name;
76 } tests[] = {
77   { 100, "name100" }, /* control, first db */
78   {  16, "name16"  }, /* second db */
79   {  30, "name30"  }, /* test overlaps in name */
80   { 200, "name200" }, /* test overlaps uid */
81   { 0, NULL }
82 };
83 
84 static int
do_test(void)85 do_test (void)
86 {
87   int retval = 0;
88   int i;
89 
90   __nss_configure_lookup ("passwd", "test1 test2");
91 
92   setpwent ();
93 
94   i = 0;
95   for (struct passwd *p = getpwent (); p != NULL; ++i, p = getpwent ())
96     {
97       retval += compare_passwds (i, & pwd_expected[i], p);
98 
99       if (p->pw_uid != pwd_expected[i].pw_uid || strcmp (p->pw_name, pwd_expected[i].pw_name) != 0)
100       {
101 	printf ("FAIL: getpwent for %u.%s returned %u.%s\n",
102 		pwd_expected[i].pw_uid, pwd_expected[i].pw_name,
103 		p->pw_uid, p->pw_name);
104 	retval = 1;
105 	break;
106       }
107     }
108 
109   endpwent ();
110 
111   for (i=0; tests[i].name; i++)
112     {
113       struct passwd *p = getpwnam (tests[i].name);
114       if (strcmp (p->pw_name, tests[i].name) != 0
115 	  || p->pw_uid != tests[i].uid)
116 	{
117 	  printf("FAIL: getpwnam for %u.%s returned %u.%s\n",
118 		 tests[i].uid, tests[i].name,
119 		 p->pw_uid, p->pw_name);
120 	  retval = 1;
121 	}
122 
123       p = getpwuid (tests[i].uid);
124       if (strcmp (p->pw_name, tests[i].name) != 0
125 	  || p->pw_uid != tests[i].uid)
126 	{
127 	  printf("FAIL: getpwuid for %u.%s returned %u.%s\n",
128 		 tests[i].uid, tests[i].name,
129 		 p->pw_uid, p->pw_name);
130 	  retval = 1;
131 	}
132     }
133 
134   return retval;
135 }
136 
137 #include <support/test-driver.c>
138