mirror of
https://git.savannah.gnu.org/git/gnulib.git
synced 2025-08-16 01:22:18 +03:00
bc1d4143ae
* tests/null-ptr.h: New file. * tests/test-canonicalize.c: Include null-ptr.h. (null_ptr): Remove function. * tests/test-canonicalize-lgpl.c: Likewise. * tests/test-memmem.c: Likewise. * tests/test-ptsname_r.c: Likewise. * modules/canonicalize-tests (Files): Add tests/null-ptr.h. * modules/canonicalize-lgpl-tests: Likewise. * modules/memmem-tests: Likewise. * modules/ptsname_r-tests: Likewise. Reported by Jim Meyering.
356 lines
11 KiB
C
356 lines
11 KiB
C
/* Test of execution of file name canonicalization.
|
|
Copyright (C) 2007-2017 Free Software Foundation, Inc.
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
|
/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
|
|
|
|
#include <config.h>
|
|
|
|
#include "canonicalize.h"
|
|
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/stat.h>
|
|
#include <unistd.h>
|
|
|
|
#include "same-inode.h"
|
|
#include "ignore-value.h"
|
|
|
|
#include "null-ptr.h"
|
|
#include "macros.h"
|
|
|
|
#define BASE "t-can.tmp"
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
/* Setup some hierarchy to be used by this test. Start by removing
|
|
any leftovers from a previous partial run. */
|
|
{
|
|
int fd;
|
|
ignore_value (system ("rm -rf " BASE " ise"));
|
|
ASSERT (mkdir (BASE, 0700) == 0);
|
|
fd = creat (BASE "/tra", 0600);
|
|
ASSERT (0 <= fd);
|
|
ASSERT (close (fd) == 0);
|
|
}
|
|
|
|
/* Check for ., .., intermediate // handling, and for error cases. */
|
|
{
|
|
char *result1 = canonicalize_file_name (BASE "//./..//" BASE "/tra");
|
|
char *result2 = canonicalize_filename_mode (BASE "//./..//" BASE "/tra",
|
|
CAN_EXISTING);
|
|
ASSERT (result1 != NULL);
|
|
ASSERT (result2 != NULL);
|
|
ASSERT (strcmp (result1, result2) == 0);
|
|
ASSERT (strstr (result1, "/" BASE "/tra")
|
|
== result1 + strlen (result1) - strlen ("/" BASE "/tra"));
|
|
free (result1);
|
|
free (result2);
|
|
errno = 0;
|
|
result1 = canonicalize_file_name ("");
|
|
ASSERT (result1 == NULL);
|
|
ASSERT (errno == ENOENT);
|
|
errno = 0;
|
|
result2 = canonicalize_filename_mode ("", CAN_EXISTING);
|
|
ASSERT (result2 == NULL);
|
|
ASSERT (errno == ENOENT);
|
|
errno = 0;
|
|
result1 = canonicalize_file_name (null_ptr ());
|
|
ASSERT (result1 == NULL);
|
|
ASSERT (errno == EINVAL);
|
|
errno = 0;
|
|
result2 = canonicalize_filename_mode (NULL, CAN_EXISTING);
|
|
ASSERT (result2 == NULL);
|
|
ASSERT (errno == EINVAL);
|
|
result2 = canonicalize_filename_mode (".", CAN_MISSING | CAN_ALL_BUT_LAST);
|
|
ASSERT (result2 == NULL);
|
|
ASSERT (errno == EINVAL);
|
|
}
|
|
|
|
/* Check that a non-directory with trailing slash yields NULL. */
|
|
{
|
|
char *result1;
|
|
char *result2;
|
|
errno = 0;
|
|
result1 = canonicalize_file_name (BASE "/tra/");
|
|
ASSERT (result1 == NULL);
|
|
ASSERT (errno == ENOTDIR);
|
|
errno = 0;
|
|
result2 = canonicalize_filename_mode (BASE "/tra/", CAN_EXISTING);
|
|
ASSERT (result2 == NULL);
|
|
ASSERT (errno == ENOTDIR);
|
|
}
|
|
|
|
/* Check that a missing directory yields NULL. */
|
|
{
|
|
char *result1;
|
|
char *result2;
|
|
errno = 0;
|
|
result1 = canonicalize_file_name (BASE "/zzz/..");
|
|
ASSERT (result1 == NULL);
|
|
ASSERT (errno == ENOENT);
|
|
errno = 0;
|
|
result2 = canonicalize_filename_mode (BASE "/zzz/..", CAN_EXISTING);
|
|
ASSERT (result2 == NULL);
|
|
ASSERT (errno == ENOENT);
|
|
}
|
|
|
|
/* From here on out, tests involve symlinks. */
|
|
if (symlink (BASE "/ket", "ise") != 0)
|
|
{
|
|
ASSERT (remove (BASE "/tra") == 0);
|
|
ASSERT (rmdir (BASE) == 0);
|
|
fputs ("skipping test: symlinks not supported on this file system\n",
|
|
stderr);
|
|
return 77;
|
|
}
|
|
ASSERT (symlink ("bef", BASE "/plo") == 0);
|
|
ASSERT (symlink ("tra", BASE "/huk") == 0);
|
|
ASSERT (symlink ("lum", BASE "/bef") == 0);
|
|
ASSERT (symlink ("wum", BASE "/ouk") == 0);
|
|
ASSERT (symlink ("../ise", BASE "/ket") == 0);
|
|
ASSERT (mkdir (BASE "/lum", 0700) == 0);
|
|
ASSERT (symlink ("s", BASE "/p") == 0);
|
|
ASSERT (symlink ("d", BASE "/s") == 0);
|
|
ASSERT (mkdir (BASE "/d", 0700) == 0);
|
|
ASSERT (close (creat (BASE "/d/2", 0600)) == 0);
|
|
ASSERT (symlink ("../s/2", BASE "/d/1") == 0);
|
|
ASSERT (symlink ("//.//../..", BASE "/droot") == 0);
|
|
|
|
/* Check that symbolic links are not resolved, with CAN_NOLINKS. */
|
|
{
|
|
char *result1 = canonicalize_filename_mode (BASE "/huk", CAN_NOLINKS);
|
|
ASSERT (result1 != NULL);
|
|
ASSERT (strcmp (result1 + strlen (result1) - strlen ("/" BASE "/huk"),
|
|
"/" BASE "/huk") == 0);
|
|
free (result1);
|
|
}
|
|
|
|
/* Check that the symbolic link to a file can be resolved. */
|
|
{
|
|
char *result1 = canonicalize_file_name (BASE "/huk");
|
|
char *result2 = canonicalize_file_name (BASE "/tra");
|
|
char *result3 = canonicalize_filename_mode (BASE "/huk", CAN_EXISTING);
|
|
ASSERT (result1 != NULL);
|
|
ASSERT (result2 != NULL);
|
|
ASSERT (result3 != NULL);
|
|
ASSERT (strcmp (result1, result2) == 0);
|
|
ASSERT (strcmp (result2, result3) == 0);
|
|
ASSERT (strcmp (result1 + strlen (result1) - strlen ("/" BASE "/tra"),
|
|
"/" BASE "/tra") == 0);
|
|
free (result1);
|
|
free (result2);
|
|
free (result3);
|
|
}
|
|
|
|
/* Check that the symbolic link to a directory can be resolved. */
|
|
{
|
|
char *result1 = canonicalize_file_name (BASE "/plo");
|
|
char *result2 = canonicalize_file_name (BASE "/bef");
|
|
char *result3 = canonicalize_file_name (BASE "/lum");
|
|
char *result4 = canonicalize_filename_mode (BASE "/plo", CAN_EXISTING);
|
|
ASSERT (result1 != NULL);
|
|
ASSERT (result2 != NULL);
|
|
ASSERT (result3 != NULL);
|
|
ASSERT (result4 != NULL);
|
|
ASSERT (strcmp (result1, result2) == 0);
|
|
ASSERT (strcmp (result2, result3) == 0);
|
|
ASSERT (strcmp (result3, result4) == 0);
|
|
ASSERT (strcmp (result1 + strlen (result1) - strlen ("/" BASE "/lum"),
|
|
"/" BASE "/lum") == 0);
|
|
free (result1);
|
|
free (result2);
|
|
free (result3);
|
|
free (result4);
|
|
}
|
|
|
|
/* Check that a symbolic link to a nonexistent file yields NULL. */
|
|
{
|
|
char *result1;
|
|
char *result2;
|
|
errno = 0;
|
|
result1 = canonicalize_file_name (BASE "/ouk");
|
|
ASSERT (result1 == NULL);
|
|
ASSERT (errno == ENOENT);
|
|
errno = 0;
|
|
result2 = canonicalize_filename_mode (BASE "/ouk", CAN_EXISTING);
|
|
ASSERT (result2 == NULL);
|
|
ASSERT (errno == ENOENT);
|
|
}
|
|
|
|
/* Check that a non-directory symlink with trailing slash yields NULL. */
|
|
{
|
|
char *result1;
|
|
char *result2;
|
|
errno = 0;
|
|
result1 = canonicalize_file_name (BASE "/huk/");
|
|
ASSERT (result1 == NULL);
|
|
ASSERT (errno == ENOTDIR);
|
|
errno = 0;
|
|
result2 = canonicalize_filename_mode (BASE "/huk/", CAN_EXISTING);
|
|
ASSERT (result2 == NULL);
|
|
ASSERT (errno == ENOTDIR);
|
|
}
|
|
|
|
/* Check that a missing directory via symlink yields NULL. */
|
|
{
|
|
char *result1;
|
|
char *result2;
|
|
errno = 0;
|
|
result1 = canonicalize_file_name (BASE "/ouk/..");
|
|
ASSERT (result1 == NULL);
|
|
ASSERT (errno == ENOENT);
|
|
errno = 0;
|
|
result2 = canonicalize_filename_mode (BASE "/ouk/..", CAN_EXISTING);
|
|
ASSERT (result2 == NULL);
|
|
ASSERT (errno == ENOENT);
|
|
}
|
|
|
|
/* Check that a loop of symbolic links is detected. */
|
|
{
|
|
char *result1;
|
|
char *result2;
|
|
errno = 0;
|
|
result1 = canonicalize_file_name ("ise");
|
|
ASSERT (result1 == NULL);
|
|
ASSERT (errno == ELOOP);
|
|
errno = 0;
|
|
result2 = canonicalize_filename_mode ("ise", CAN_EXISTING);
|
|
ASSERT (result2 == NULL);
|
|
ASSERT (errno == ELOOP);
|
|
}
|
|
|
|
/* Check that alternate modes can resolve missing basenames. */
|
|
{
|
|
char *result1 = canonicalize_filename_mode (BASE "/zzz", CAN_ALL_BUT_LAST);
|
|
char *result2 = canonicalize_filename_mode (BASE "/zzz", CAN_MISSING);
|
|
char *result3 = canonicalize_filename_mode (BASE "/zzz/", CAN_ALL_BUT_LAST);
|
|
char *result4 = canonicalize_filename_mode (BASE "/zzz/", CAN_MISSING);
|
|
ASSERT (result1 != NULL);
|
|
ASSERT (result2 != NULL);
|
|
ASSERT (result3 != NULL);
|
|
ASSERT (result4 != NULL);
|
|
ASSERT (strcmp (result1, result2) == 0);
|
|
ASSERT (strcmp (result2, result3) == 0);
|
|
ASSERT (strcmp (result3, result4) == 0);
|
|
ASSERT (strcmp (result1 + strlen (result1) - strlen ("/" BASE "/zzz"),
|
|
"/" BASE "/zzz") == 0);
|
|
free (result1);
|
|
free (result2);
|
|
free (result3);
|
|
free (result4);
|
|
}
|
|
|
|
/* Check that alternate modes can resolve broken symlink basenames. */
|
|
{
|
|
char *result1 = canonicalize_filename_mode (BASE "/ouk", CAN_ALL_BUT_LAST);
|
|
char *result2 = canonicalize_filename_mode (BASE "/ouk", CAN_MISSING);
|
|
char *result3 = canonicalize_filename_mode (BASE "/ouk/", CAN_ALL_BUT_LAST);
|
|
char *result4 = canonicalize_filename_mode (BASE "/ouk/", CAN_MISSING);
|
|
ASSERT (result1 != NULL);
|
|
ASSERT (result2 != NULL);
|
|
ASSERT (result3 != NULL);
|
|
ASSERT (result4 != NULL);
|
|
ASSERT (strcmp (result1, result2) == 0);
|
|
ASSERT (strcmp (result2, result3) == 0);
|
|
ASSERT (strcmp (result3, result4) == 0);
|
|
ASSERT (strcmp (result1 + strlen (result1) - strlen ("/" BASE "/wum"),
|
|
"/" BASE "/wum") == 0);
|
|
free (result1);
|
|
free (result2);
|
|
free (result3);
|
|
free (result4);
|
|
}
|
|
|
|
/* Check that alternate modes can handle missing dirnames. */
|
|
{
|
|
char *result1 = canonicalize_filename_mode ("t-can.zzz/zzz", CAN_ALL_BUT_LAST);
|
|
char *result2 = canonicalize_filename_mode ("t-can.zzz/zzz", CAN_MISSING);
|
|
ASSERT (result1 == NULL);
|
|
ASSERT (result2 != NULL);
|
|
ASSERT (strcmp (result2 + strlen (result2) - 14, "/t-can.zzz/zzz") == 0);
|
|
free (result2);
|
|
}
|
|
|
|
/* Ensure that the following is resolved properly.
|
|
Before 2007-09-27, it would mistakenly report a loop. */
|
|
{
|
|
char *result1 = canonicalize_filename_mode (BASE, CAN_EXISTING);
|
|
char *result2 = canonicalize_filename_mode (BASE "/p/1", CAN_EXISTING);
|
|
ASSERT (result1 != NULL);
|
|
ASSERT (result2 != NULL);
|
|
ASSERT (strcmp (result2 + strlen (result1), "/d/2") == 0);
|
|
free (result1);
|
|
free (result2);
|
|
}
|
|
|
|
/* Check that leading // is honored correctly. */
|
|
{
|
|
struct stat st1;
|
|
struct stat st2;
|
|
char *result1 = canonicalize_file_name ("//.");
|
|
char *result2 = canonicalize_filename_mode ("//.", CAN_EXISTING);
|
|
char *result3 = canonicalize_file_name (BASE "/droot");
|
|
char *result4 = canonicalize_filename_mode (BASE "/droot", CAN_EXISTING);
|
|
ASSERT (result1);
|
|
ASSERT (result2);
|
|
ASSERT (result3);
|
|
ASSERT (result4);
|
|
ASSERT (stat ("/", &st1) == 0);
|
|
ASSERT (stat ("//", &st2) == 0);
|
|
if (SAME_INODE (st1, st2))
|
|
{
|
|
ASSERT (strcmp (result1, "/") == 0);
|
|
ASSERT (strcmp (result2, "/") == 0);
|
|
ASSERT (strcmp (result3, "/") == 0);
|
|
ASSERT (strcmp (result4, "/") == 0);
|
|
}
|
|
else
|
|
{
|
|
ASSERT (strcmp (result1, "//") == 0);
|
|
ASSERT (strcmp (result2, "//") == 0);
|
|
ASSERT (strcmp (result3, "//") == 0);
|
|
ASSERT (strcmp (result4, "//") == 0);
|
|
}
|
|
free (result1);
|
|
free (result2);
|
|
free (result3);
|
|
free (result4);
|
|
}
|
|
|
|
/* Cleanup. */
|
|
ASSERT (remove (BASE "/droot") == 0);
|
|
ASSERT (remove (BASE "/d/1") == 0);
|
|
ASSERT (remove (BASE "/d/2") == 0);
|
|
ASSERT (remove (BASE "/d") == 0);
|
|
ASSERT (remove (BASE "/s") == 0);
|
|
ASSERT (remove (BASE "/p") == 0);
|
|
ASSERT (remove (BASE "/plo") == 0);
|
|
ASSERT (remove (BASE "/huk") == 0);
|
|
ASSERT (remove (BASE "/bef") == 0);
|
|
ASSERT (remove (BASE "/ouk") == 0);
|
|
ASSERT (remove (BASE "/ket") == 0);
|
|
ASSERT (remove (BASE "/lum") == 0);
|
|
ASSERT (remove (BASE "/tra") == 0);
|
|
ASSERT (remove (BASE) == 0);
|
|
ASSERT (remove ("ise") == 0);
|
|
|
|
return 0;
|
|
}
|