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9a1e7257 | 1 | /* Test autofs "ignore" filtering for getment_r. |
2b778ceb | 2 | Copyright (C) 2019-2021 Free Software Foundation, Inc. |
9a1e7257 FW |
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 | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
9a1e7257 FW |
18 | |
19 | #include <array_length.h> | |
20 | #include <errno.h> | |
21 | #include <mntent.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
25 | #include <support/check.h> | |
26 | #include <support/temp_file.h> | |
27 | #include <support/xstdio.h> | |
28 | #include <support/xunistd.h> | |
29 | ||
30 | struct test_case | |
31 | { | |
32 | const char *line; | |
33 | struct | |
34 | { | |
35 | /* Like struct mntent, but with const pointers. */ | |
36 | const char *mnt_fsname; | |
37 | const char *mnt_dir; | |
38 | const char *mnt_type; | |
39 | const char *mnt_opts; | |
40 | int mnt_freq; | |
41 | int mnt_passno; | |
42 | } expected; | |
43 | }; | |
44 | ||
45 | static struct test_case test_cases[] = | |
46 | { | |
47 | { "/etc/auto.direct /mnt/auto/1 autofs defaults 0 0", | |
48 | { "/etc/auto.direct", "/mnt/auto/1", "autofs", "defaults", 0, 0 } }, | |
49 | ||
50 | /* These entries are filtered out. */ | |
51 | { "/etc/auto.2 /mnt/auto/2 autofs ignore 0 0", { NULL, } }, | |
52 | { "/etc/auto.3 /mnt/auto/3 autofs ignore,other 1 2", { NULL, } }, | |
53 | { "/etc/auto.4 /mnt/auto/4 autofs other,ignore 3 4", { NULL, } }, | |
54 | { "/etc/auto.5 /mnt/auto/5 autofs opt1,ignore,opt2 5 6", { NULL, } }, | |
55 | ||
56 | /* Dummy entry to make the desynchronization more obvious. */ | |
57 | { "/dev/sda1 / xfs defaults 0 0", | |
58 | { "/dev/sda1", "/", "xfs", "defaults", 0, 0 } }, | |
59 | ||
60 | /* These are not filtered because the file system is not autofs. */ | |
61 | { "/etc/auto.direct /mnt/auto/6 autofs1 ignore 0 0", | |
62 | { "/etc/auto.direct", "/mnt/auto/6", "autofs1", "ignore", 0, 0 } }, | |
63 | { "/etc/auto.direct /mnt/auto/7 autofs1 ignore,other 0 0", | |
64 | { "/etc/auto.direct", "/mnt/auto/7", "autofs1", "ignore,other", 0, 0 } }, | |
65 | { "/etc/auto.direct /mnt/auto/8 autofs1 other,ignore 0 0", | |
66 | { "/etc/auto.direct", "/mnt/auto/8", "autofs1", "other,ignore", 0, 0 } }, | |
67 | { "/etc/auto.direct /mnt/auto/9 autofs1 opt1,ignore,opt2 0 0", | |
68 | { "/etc/auto.direct", "/mnt/auto/9", "autofs1", "opt1,ignore,opt2", } }, | |
69 | ||
70 | /* These are not filtered because the string "ignore" is not an | |
71 | option name. */ | |
72 | { "/etc/auto.direct /mnt/auto/10 autofs noignore 1 2", | |
73 | { "/etc/auto.direct", "/mnt/auto/10", "autofs", "noignore", 1, 2 } }, | |
74 | { "/etc/auto.direct /mnt/auto/11 autofs noignore,other 0 0", | |
75 | { "/etc/auto.direct", "/mnt/auto/11", "autofs", "noignore,other", } }, | |
76 | { "/etc/auto.direct /mnt/auto/12 autofs other,noignore 0 0", | |
77 | { "/etc/auto.direct", "/mnt/auto/12", "autofs", "other,noignore", } }, | |
78 | { "/etc/auto.direct /mnt/auto/13 autofs errors=ignore 0 0", | |
79 | { "/etc/auto.direct", "/mnt/auto/13", "autofs", "errors=ignore", } }, | |
80 | { "/etc/auto.direct /mnt/auto/14 autofs errors=ignore,other 0 0", | |
81 | { "/etc/auto.direct", "/mnt/auto/14", "autofs", | |
82 | "errors=ignore,other", } }, | |
83 | { "/etc/auto.direct /mnt/auto/15 autofs other,errors=ignore 0 0", | |
84 | { "/etc/auto.direct", "/mnt/auto/15", "autofs", | |
85 | "other,errors=ignore", } }, | |
86 | ||
87 | /* These are not filtered because the string is escaped. '\151' | |
88 | is 'i', but it is not actually decoded by the parser. */ | |
89 | { "/etc/auto.\\151gnore /mnt/auto/16 autofs \\151gnore 0 0", | |
90 | { "/etc/auto.\\151gnore", "/mnt/auto/16", "autofs", | |
91 | "\\151gnore", } }, | |
92 | }; | |
93 | ||
94 | static int | |
95 | do_test (void) | |
96 | { | |
97 | char *path; | |
98 | xclose (create_temp_file ("tst-mntent-autofs-", &path)); | |
99 | ||
100 | /* Write the test file. */ | |
101 | FILE *fp = xfopen (path, "w"); | |
102 | for (size_t i = 0; i < array_length (test_cases); ++i) | |
103 | fprintf (fp, "%s\n", test_cases[i].line); | |
104 | xfclose (fp); | |
105 | ||
106 | /* Open the test file again, this time for parsing. */ | |
107 | fp = setmntent (path, "r"); | |
108 | TEST_VERIFY_EXIT (fp != NULL); | |
109 | char buffer[512]; | |
110 | struct mntent me; | |
111 | ||
112 | for (size_t i = 0; i < array_length (test_cases); ++i) | |
113 | { | |
114 | if (test_cases[i].expected.mnt_type == NULL) | |
115 | continue; | |
116 | ||
117 | memset (buffer, 0xcc, sizeof (buffer)); | |
118 | memset (&me, 0xcc, sizeof (me)); | |
119 | struct mntent *pme = getmntent_r (fp, &me, buffer, sizeof (buffer)); | |
120 | TEST_VERIFY_EXIT (pme != NULL); | |
121 | TEST_VERIFY (pme == &me); | |
122 | TEST_COMPARE_STRING (test_cases[i].expected.mnt_fsname, me.mnt_fsname); | |
123 | TEST_COMPARE_STRING (test_cases[i].expected.mnt_dir, me.mnt_dir); | |
124 | TEST_COMPARE_STRING (test_cases[i].expected.mnt_type, me.mnt_type); | |
125 | TEST_COMPARE_STRING (test_cases[i].expected.mnt_opts, me.mnt_opts); | |
126 | TEST_COMPARE (test_cases[i].expected.mnt_freq, me.mnt_freq); | |
127 | TEST_COMPARE (test_cases[i].expected.mnt_passno, me.mnt_passno); | |
128 | } | |
129 | ||
130 | TEST_VERIFY (getmntent_r (fp, &me, buffer, sizeof (buffer)) == NULL); | |
131 | ||
132 | TEST_COMPARE (feof (fp), 1); | |
133 | TEST_COMPARE (ferror (fp), 0); | |
134 | errno = 0; | |
135 | TEST_COMPARE (endmntent (fp), 1); | |
136 | TEST_COMPARE (errno, 0); | |
137 | free (path); | |
138 | return 0; | |
139 | } | |
140 | ||
141 | #include <support/test-driver.c> |