1 | /* Test group merging. |
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 <stdio.h> |
21 | #include <stdlib.h> |
22 | #include <string.h> |
23 | |
24 | #include <support/support.h> |
25 | |
26 | #include "nss_test.h" |
27 | |
28 | /* The name choices here are arbitrary, aside from the merge_1 list |
29 | needing to be an expected merge of group_1 and group_2. */ |
30 | |
31 | static const char *group_1[] = { |
32 | "foo" , "bar" , NULL |
33 | }; |
34 | |
35 | static const char *group_2[] = { |
36 | "foo" , "dick" , "harry" , NULL |
37 | }; |
38 | |
39 | /* Note that deduplication is NOT supposed to happen. */ |
40 | static const char *merge_1[] = { |
41 | "foo" , "bar" , "foo" , "dick" , "harry" , NULL |
42 | }; |
43 | |
44 | static const char *group_4[] = { |
45 | "fred" , "wilma" , NULL |
46 | }; |
47 | |
48 | /* This is the data we're giving the service. */ |
49 | static struct group group_table_data1[] = { |
50 | GRP_N(1, "name1" , group_1), |
51 | GRP(2), |
52 | GRP_LAST () |
53 | }; |
54 | |
55 | /* This is the data we're giving the service. */ |
56 | static struct group group_table_data2[] = { |
57 | GRP_N(1, "name1" , group_2), |
58 | GRP(4), |
59 | GRP_LAST () |
60 | }; |
61 | |
62 | /* This is the data we compare against. */ |
63 | static struct group group_table[] = { |
64 | GRP_N(1, "name1" , merge_1), |
65 | GRP(2), |
66 | GRP(4), |
67 | GRP_LAST () |
68 | }; |
69 | |
70 | void |
71 | _nss_test1_init_hook(test_tables *t) |
72 | { |
73 | t->grp_table = group_table_data1; |
74 | } |
75 | |
76 | void |
77 | _nss_test2_init_hook(test_tables *t) |
78 | { |
79 | t->grp_table = group_table_data2; |
80 | } |
81 | |
82 | static int |
83 | do_test (void) |
84 | { |
85 | int retval = 0; |
86 | int i; |
87 | struct group *g = NULL; |
88 | uintptr_t align_mask; |
89 | |
90 | __nss_configure_lookup (dbname: "group" , string: "test1 [SUCCESS=merge] test2" ); |
91 | |
92 | align_mask = __alignof__ (struct group *) - 1; |
93 | |
94 | setgrent (); |
95 | |
96 | for (i = 0; group_table[i].gr_gid; ++i) |
97 | { |
98 | g = getgrgid (gid: group_table[i].gr_gid); |
99 | if (g) |
100 | { |
101 | retval += compare_groups (i, g, e: & group_table[i]); |
102 | if ((uintptr_t)g & align_mask) |
103 | { |
104 | printf(format: "FAIL: [%d] unaligned group %p\n" , i, g); |
105 | ++retval; |
106 | } |
107 | if ((uintptr_t)(g->gr_mem) & align_mask) |
108 | { |
109 | printf(format: "FAIL: [%d] unaligned member list %p\n" , i, g->gr_mem); |
110 | ++retval; |
111 | } |
112 | } |
113 | else |
114 | { |
115 | printf (format: "FAIL: [%d] group %u.%s not found\n" , i, |
116 | group_table[i].gr_gid, group_table[i].gr_name); |
117 | ++retval; |
118 | } |
119 | } |
120 | |
121 | endgrent (); |
122 | |
123 | #define EXPECTED 0 |
124 | if (retval == EXPECTED) |
125 | { |
126 | if (retval > 0) |
127 | printf (format: "PASS: Found %d expected errors\n" , retval); |
128 | return 0; |
129 | } |
130 | else |
131 | { |
132 | printf (format: "FAIL: Found %d errors, expected %d\n" , retval, EXPECTED); |
133 | return 1; |
134 | } |
135 | } |
136 | |
137 | #include <support/test-driver.c> |
138 | |