diff options
Diffstat (limited to 'tests/test-canonicalize-lgpl.c')
-rw-r--r-- | tests/test-canonicalize-lgpl.c | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/tests/test-canonicalize-lgpl.c b/tests/test-canonicalize-lgpl.c new file mode 100644 index 0000000..17cdff0 --- /dev/null +++ b/tests/test-canonicalize-lgpl.c @@ -0,0 +1,222 @@ +/* Test of execution of program termination handlers. + Copyright (C) 2007-2011 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 <stdlib.h> + +#include "signature.h" +SIGNATURE_CHECK (realpath, char *, (const char *, char *)); +SIGNATURE_CHECK (canonicalize_file_name, char *, (const char *)); + +#include <errno.h> +#include <fcntl.h> +#include <stdio.h> +#include <string.h> +#include <sys/stat.h> +#include <unistd.h> + +#include "same-inode.h" +#include "ignore-value.h" +#include "macros.h" + +#define BASE "t-can-lgpl.tmp" + +static void * +null_ptr (void) +{ + return NULL; +} + +int +main (void) +{ +#if GNULIB_TEST_CANONICALIZE + /* No need to test canonicalize-lgpl module if canonicalize is also + in use. */ + return 0; +#endif + + /* 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 *result = canonicalize_file_name (BASE "//./..//" BASE "/tra"); + ASSERT (result != NULL); + ASSERT (strstr (result, "/" BASE "/tra") + == result + strlen (result) - strlen ("/" BASE "/tra")); + free (result); + errno = 0; + result = canonicalize_file_name (""); + ASSERT (result == NULL); + ASSERT (errno == ENOENT); + errno = 0; + result = canonicalize_file_name (null_ptr ()); + ASSERT (result == NULL); + ASSERT (errno == EINVAL); + } + + /* Check that a non-directory with trailing slash yields NULL. */ + { + char *result; + errno = 0; + result = canonicalize_file_name (BASE "/tra/"); + ASSERT (result == NULL); + ASSERT (errno == ENOTDIR); + } + + /* Check that a missing directory yields NULL. */ + { + char *result; + errno = 0; + result = canonicalize_file_name (BASE "/zzz/.."); + ASSERT (result == 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 ("//.//../..", BASE "/droot") == 0); + + /* 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"); + ASSERT (result1 != NULL); + ASSERT (result2 != NULL); + ASSERT (strcmp (result1, result2) == 0); + ASSERT (strcmp (result1 + strlen (result1) - strlen ("/" BASE "/tra"), + "/" BASE "/tra") == 0); + free (result1); + free (result2); + } + + /* 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"); + 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 "/lum"), + "/" BASE "/lum") == 0); + free (result1); + free (result2); + free (result3); + } + + /* Check that a symbolic link to a nonexistent file yields NULL. */ + { + char *result; + errno = 0; + result = canonicalize_file_name (BASE "/ouk"); + ASSERT (result == NULL); + ASSERT (errno == ENOENT); + } + + /* Check that a non-directory symlink with trailing slash yields NULL. */ + { + char *result; + errno = 0; + result = canonicalize_file_name (BASE "/huk/"); + ASSERT (result == NULL); + ASSERT (errno == ENOTDIR); + } + + /* Check that a missing directory via symlink yields NULL. */ + { + char *result; + errno = 0; + result = canonicalize_file_name (BASE "/ouk/.."); + ASSERT (result == NULL); + ASSERT (errno == ENOENT); + } + + /* Check that a loop of symbolic links is detected. */ + { + char *result; + errno = 0; + result = canonicalize_file_name ("ise"); + ASSERT (result == NULL); + ASSERT (errno == ELOOP); + } + + /* Check that leading // is honored correctly. */ + { + struct stat st1; + struct stat st2; + char *result1 = canonicalize_file_name ("//."); + char *result2 = canonicalize_file_name (BASE "/droot"); + ASSERT (result1); + ASSERT (result2); + ASSERT (stat ("/", &st1) == 0); + ASSERT (stat ("//", &st2) == 0); + if (SAME_INODE (st1, st2)) + { + ASSERT (strcmp (result1, "/") == 0); + ASSERT (strcmp (result2, "/") == 0); + } + else + { + ASSERT (strcmp (result1, "//") == 0); + ASSERT (strcmp (result2, "//") == 0); + } + free (result1); + free (result2); + } + + + /* Cleanup. */ + ASSERT (remove (BASE "/droot") == 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; +} |