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/* Test autofs "ignore" filtering for getment_r.
Copyright (C) 2019-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <array_length.h>
#include <errno.h>
#include <mntent.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <support/check.h>
#include <support/temp_file.h>
#include <support/xstdio.h>
#include <support/xunistd.h>
struct test_case
{
const char *line;
struct
{
/* Like struct mntent, but with const pointers. */
const char *mnt_fsname;
const char *mnt_dir;
const char *mnt_type;
const char *mnt_opts;
int mnt_freq;
int mnt_passno;
} expected;
};
static struct test_case test_cases[] =
{
{ "/etc/auto.direct /mnt/auto/1 autofs defaults 0 0",
{ "/etc/auto.direct", "/mnt/auto/1", "autofs", "defaults", 0, 0 } },
/* These entries are filtered out. */
{ "/etc/auto.2 /mnt/auto/2 autofs ignore 0 0", { NULL, } },
{ "/etc/auto.3 /mnt/auto/3 autofs ignore,other 1 2", { NULL, } },
{ "/etc/auto.4 /mnt/auto/4 autofs other,ignore 3 4", { NULL, } },
{ "/etc/auto.5 /mnt/auto/5 autofs opt1,ignore,opt2 5 6", { NULL, } },
/* Dummy entry to make the desynchronization more obvious. */
{ "/dev/sda1 / xfs defaults 0 0",
{ "/dev/sda1", "/", "xfs", "defaults", 0, 0 } },
/* These are not filtered because the file system is not autofs. */
{ "/etc/auto.direct /mnt/auto/6 autofs1 ignore 0 0",
{ "/etc/auto.direct", "/mnt/auto/6", "autofs1", "ignore", 0, 0 } },
{ "/etc/auto.direct /mnt/auto/7 autofs1 ignore,other 0 0",
{ "/etc/auto.direct", "/mnt/auto/7", "autofs1", "ignore,other", 0, 0 } },
{ "/etc/auto.direct /mnt/auto/8 autofs1 other,ignore 0 0",
{ "/etc/auto.direct", "/mnt/auto/8", "autofs1", "other,ignore", 0, 0 } },
{ "/etc/auto.direct /mnt/auto/9 autofs1 opt1,ignore,opt2 0 0",
{ "/etc/auto.direct", "/mnt/auto/9", "autofs1", "opt1,ignore,opt2", } },
/* These are not filtered because the string "ignore" is not an
option name. */
{ "/etc/auto.direct /mnt/auto/10 autofs noignore 1 2",
{ "/etc/auto.direct", "/mnt/auto/10", "autofs", "noignore", 1, 2 } },
{ "/etc/auto.direct /mnt/auto/11 autofs noignore,other 0 0",
{ "/etc/auto.direct", "/mnt/auto/11", "autofs", "noignore,other", } },
{ "/etc/auto.direct /mnt/auto/12 autofs other,noignore 0 0",
{ "/etc/auto.direct", "/mnt/auto/12", "autofs", "other,noignore", } },
{ "/etc/auto.direct /mnt/auto/13 autofs errors=ignore 0 0",
{ "/etc/auto.direct", "/mnt/auto/13", "autofs", "errors=ignore", } },
{ "/etc/auto.direct /mnt/auto/14 autofs errors=ignore,other 0 0",
{ "/etc/auto.direct", "/mnt/auto/14", "autofs",
"errors=ignore,other", } },
{ "/etc/auto.direct /mnt/auto/15 autofs other,errors=ignore 0 0",
{ "/etc/auto.direct", "/mnt/auto/15", "autofs",
"other,errors=ignore", } },
/* These are not filtered because the string is escaped. '\151'
is 'i', but it is not actually decoded by the parser. */
{ "/etc/auto.\\151gnore /mnt/auto/16 autofs \\151gnore 0 0",
{ "/etc/auto.\\151gnore", "/mnt/auto/16", "autofs",
"\\151gnore", } },
};
static int
do_test (void)
{
char *path;
xclose (create_temp_file ("tst-mntent-autofs-", &path));
/* Write the test file. */
FILE *fp = xfopen (path, "w");
for (size_t i = 0; i < array_length (test_cases); ++i)
fprintf (fp, "%s\n", test_cases[i].line);
xfclose (fp);
/* Open the test file again, this time for parsing. */
fp = setmntent (path, "r");
TEST_VERIFY_EXIT (fp != NULL);
char buffer[512];
struct mntent me;
for (size_t i = 0; i < array_length (test_cases); ++i)
{
if (test_cases[i].expected.mnt_type == NULL)
continue;
memset (buffer, 0xcc, sizeof (buffer));
memset (&me, 0xcc, sizeof (me));
struct mntent *pme = getmntent_r (fp, &me, buffer, sizeof (buffer));
TEST_VERIFY_EXIT (pme != NULL);
TEST_VERIFY (pme == &me);
TEST_COMPARE_STRING (test_cases[i].expected.mnt_fsname, me.mnt_fsname);
TEST_COMPARE_STRING (test_cases[i].expected.mnt_dir, me.mnt_dir);
TEST_COMPARE_STRING (test_cases[i].expected.mnt_type, me.mnt_type);
TEST_COMPARE_STRING (test_cases[i].expected.mnt_opts, me.mnt_opts);
TEST_COMPARE (test_cases[i].expected.mnt_freq, me.mnt_freq);
TEST_COMPARE (test_cases[i].expected.mnt_passno, me.mnt_passno);
}
TEST_VERIFY (getmntent_r (fp, &me, buffer, sizeof (buffer)) == NULL);
TEST_COMPARE (feof (fp), 1);
TEST_COMPARE (ferror (fp), 0);
errno = 0;
TEST_COMPARE (endmntent (fp), 1);
TEST_COMPARE (errno, 0);
free (path);
return 0;
}
#include <support/test-driver.c>
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