mirror of https://gitee.com/Nocallback/glibc.git
Florian Weimer
7 years ago
3 changed files with 148 additions and 1 deletions
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/* Test autofs "ignore" filtering for getment_r.
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Copyright (C) 2019 Free Software Foundation, Inc. |
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This file is part of the GNU C Library. |
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The GNU C Library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Lesser General Public |
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License as published by the Free Software Foundation; either |
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version 2.1 of the License, or (at your option) any later version. |
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The GNU C Library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Lesser General Public License for more details. |
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You should have received a copy of the GNU Lesser General Public |
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License along with the GNU C Library; if not, see |
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<http://www.gnu.org/licenses/>. */
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#include <array_length.h> |
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#include <errno.h> |
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#include <mntent.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <support/check.h> |
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#include <support/temp_file.h> |
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#include <support/xstdio.h> |
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#include <support/xunistd.h> |
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struct test_case |
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{ |
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const char *line; |
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struct |
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{ |
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/* Like struct mntent, but with const pointers. */ |
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const char *mnt_fsname; |
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const char *mnt_dir; |
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const char *mnt_type; |
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const char *mnt_opts; |
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int mnt_freq; |
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int mnt_passno; |
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} expected; |
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}; |
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static struct test_case test_cases[] = |
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{ |
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{ "/etc/auto.direct /mnt/auto/1 autofs defaults 0 0", |
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{ "/etc/auto.direct", "/mnt/auto/1", "autofs", "defaults", 0, 0 } }, |
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/* These entries are filtered out. */ |
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{ "/etc/auto.2 /mnt/auto/2 autofs ignore 0 0", { NULL, } }, |
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{ "/etc/auto.3 /mnt/auto/3 autofs ignore,other 1 2", { NULL, } }, |
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{ "/etc/auto.4 /mnt/auto/4 autofs other,ignore 3 4", { NULL, } }, |
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{ "/etc/auto.5 /mnt/auto/5 autofs opt1,ignore,opt2 5 6", { NULL, } }, |
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/* Dummy entry to make the desynchronization more obvious. */ |
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{ "/dev/sda1 / xfs defaults 0 0", |
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{ "/dev/sda1", "/", "xfs", "defaults", 0, 0 } }, |
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/* These are not filtered because the file system is not autofs. */ |
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{ "/etc/auto.direct /mnt/auto/6 autofs1 ignore 0 0", |
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{ "/etc/auto.direct", "/mnt/auto/6", "autofs1", "ignore", 0, 0 } }, |
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{ "/etc/auto.direct /mnt/auto/7 autofs1 ignore,other 0 0", |
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{ "/etc/auto.direct", "/mnt/auto/7", "autofs1", "ignore,other", 0, 0 } }, |
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{ "/etc/auto.direct /mnt/auto/8 autofs1 other,ignore 0 0", |
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{ "/etc/auto.direct", "/mnt/auto/8", "autofs1", "other,ignore", 0, 0 } }, |
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{ "/etc/auto.direct /mnt/auto/9 autofs1 opt1,ignore,opt2 0 0", |
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{ "/etc/auto.direct", "/mnt/auto/9", "autofs1", "opt1,ignore,opt2", } }, |
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/* These are not filtered because the string "ignore" is not an
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option name. */ |
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{ "/etc/auto.direct /mnt/auto/10 autofs noignore 1 2", |
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{ "/etc/auto.direct", "/mnt/auto/10", "autofs", "noignore", 1, 2 } }, |
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{ "/etc/auto.direct /mnt/auto/11 autofs noignore,other 0 0", |
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{ "/etc/auto.direct", "/mnt/auto/11", "autofs", "noignore,other", } }, |
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{ "/etc/auto.direct /mnt/auto/12 autofs other,noignore 0 0", |
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{ "/etc/auto.direct", "/mnt/auto/12", "autofs", "other,noignore", } }, |
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{ "/etc/auto.direct /mnt/auto/13 autofs errors=ignore 0 0", |
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{ "/etc/auto.direct", "/mnt/auto/13", "autofs", "errors=ignore", } }, |
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{ "/etc/auto.direct /mnt/auto/14 autofs errors=ignore,other 0 0", |
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{ "/etc/auto.direct", "/mnt/auto/14", "autofs", |
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"errors=ignore,other", } }, |
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{ "/etc/auto.direct /mnt/auto/15 autofs other,errors=ignore 0 0", |
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{ "/etc/auto.direct", "/mnt/auto/15", "autofs", |
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"other,errors=ignore", } }, |
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/* These are not filtered because the string is escaped. '\151'
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is 'i', but it is not actually decoded by the parser. */ |
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{ "/etc/auto.\\151gnore /mnt/auto/16 autofs \\151gnore 0 0", |
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{ "/etc/auto.\\151gnore", "/mnt/auto/16", "autofs", |
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"\\151gnore", } }, |
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}; |
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static int |
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do_test (void) |
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{ |
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char *path; |
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xclose (create_temp_file ("tst-mntent-autofs-", &path)); |
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/* Write the test file. */ |
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FILE *fp = xfopen (path, "w"); |
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for (size_t i = 0; i < array_length (test_cases); ++i) |
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fprintf (fp, "%s\n", test_cases[i].line); |
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xfclose (fp); |
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/* Open the test file again, this time for parsing. */ |
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fp = setmntent (path, "r"); |
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TEST_VERIFY_EXIT (fp != NULL); |
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char buffer[512]; |
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struct mntent me; |
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for (size_t i = 0; i < array_length (test_cases); ++i) |
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{ |
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if (test_cases[i].expected.mnt_type == NULL) |
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continue; |
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memset (buffer, 0xcc, sizeof (buffer)); |
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memset (&me, 0xcc, sizeof (me)); |
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struct mntent *pme = getmntent_r (fp, &me, buffer, sizeof (buffer)); |
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TEST_VERIFY_EXIT (pme != NULL); |
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TEST_VERIFY (pme == &me); |
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TEST_COMPARE_STRING (test_cases[i].expected.mnt_fsname, me.mnt_fsname); |
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TEST_COMPARE_STRING (test_cases[i].expected.mnt_dir, me.mnt_dir); |
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TEST_COMPARE_STRING (test_cases[i].expected.mnt_type, me.mnt_type); |
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TEST_COMPARE_STRING (test_cases[i].expected.mnt_opts, me.mnt_opts); |
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TEST_COMPARE (test_cases[i].expected.mnt_freq, me.mnt_freq); |
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TEST_COMPARE (test_cases[i].expected.mnt_passno, me.mnt_passno); |
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} |
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TEST_VERIFY (getmntent_r (fp, &me, buffer, sizeof (buffer)) == NULL); |
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TEST_COMPARE (feof (fp), 1); |
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TEST_COMPARE (ferror (fp), 0); |
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errno = 0; |
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TEST_COMPARE (endmntent (fp), 1); |
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TEST_COMPARE (errno, 0); |
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free (path); |
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return 0; |
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} |
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#include <support/test-driver.c> |
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