]>
Commit | Line | Data |
---|---|---|
04277e02 | 1 | /* Copyright (C) 2003-2019 Free Software Foundation, Inc. |
e2f52c1f UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. | |
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 | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
e2f52c1f UD |
18 | |
19 | #include <fcntl.h> | |
20 | #include <pthread.h> | |
21 | #include <stdbool.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <unistd.h> | |
25 | #include <sys/stat.h> | |
26 | ||
27 | ||
28 | static struct | |
29 | { | |
30 | int (*fp) (const char *, mode_t); | |
31 | const char *name; | |
32 | bool is_fd; | |
33 | } fcts[] = | |
34 | { | |
35 | { creat, "creat", true }, | |
36 | { mkdir, "mkdir", false }, | |
37 | { mkfifo, "mkfifo", false }, | |
38 | }; | |
39 | #define nfcts (sizeof (fcts) / sizeof (fcts[0])) | |
40 | ||
41 | ||
42 | static int | |
43 | work (const char *fname, int mask) | |
44 | { | |
45 | int result = 0; | |
f9657e88 | 46 | size_t i; |
e2f52c1f UD |
47 | for (i = 0; i < nfcts; ++i) |
48 | { | |
49 | remove (fname); | |
50 | int fd = fcts[i].fp (fname, 0777); | |
51 | if (fd == -1) | |
52 | { | |
53 | printf ("cannot %s %s: %m\n", fcts[i].name, fname); | |
54 | exit (1); | |
55 | } | |
56 | if (fcts[i].is_fd) | |
57 | close (fd); | |
58 | struct stat64 st; | |
59 | if (stat64 (fname, &st) == -1) | |
60 | { | |
61 | printf ("cannot stat %s after %s: %m\n", fname, fcts[i].name); | |
62 | exit (1); | |
63 | } | |
64 | ||
65 | if ((st.st_mode & mask) != 0) | |
66 | { | |
67 | printf ("mask not successful after %s: %x still set\n", | |
350635a5 | 68 | fcts[i].name, (unsigned int) (st.st_mode & mask)); |
e2f52c1f UD |
69 | result = 1; |
70 | } | |
71 | } | |
72 | ||
73 | return result; | |
74 | } | |
75 | ||
76 | ||
77 | static pthread_barrier_t bar; | |
78 | ||
79 | ||
80 | static void * | |
81 | tf (void *arg) | |
82 | { | |
83 | pthread_barrier_wait (&bar); | |
84 | ||
85 | int result = work (arg, 022); | |
86 | ||
87 | pthread_barrier_wait (&bar); | |
88 | ||
89 | pthread_barrier_wait (&bar); | |
90 | ||
91 | return (work (arg, 0) | result) ? (void *) -1l : NULL; | |
92 | } | |
93 | ||
94 | ||
95 | static int | |
96 | do_test (const char *fname) | |
97 | { | |
98 | int result = 0; | |
99 | ||
100 | umask (0); | |
101 | result |= work (fname, 0); | |
102 | ||
103 | pthread_barrier_init (&bar, NULL, 2); | |
104 | ||
105 | pthread_t th; | |
0a37669a | 106 | if (pthread_create (&th, NULL, tf, (void *) fname) != 0) |
e2f52c1f UD |
107 | { |
108 | puts ("cannot create thread"); | |
109 | exit (1); | |
110 | } | |
111 | ||
112 | umask (022); | |
113 | result |= work (fname, 022); | |
114 | ||
115 | pthread_barrier_wait (&bar); | |
116 | ||
117 | pthread_barrier_wait (&bar); | |
118 | ||
119 | umask (0); | |
120 | ||
121 | pthread_barrier_wait (&bar); | |
122 | ||
123 | void *res; | |
124 | if (pthread_join (th, &res) != 0) | |
125 | { | |
126 | puts ("join failed"); | |
127 | exit (1); | |
128 | } | |
129 | ||
130 | remove (fname); | |
131 | ||
132 | return result || res != NULL; | |
133 | } | |
134 | ||
135 | #define TEST_FUNCTION do_test (argc < 2 ? "/tmp/tst-umask.tmp" : argv[1]) | |
136 | #include "../test-skeleton.c" |