/* Test of execution of program termination handlers.
- Copyright (C) 2007-2008 Free Software Foundation, Inc.
+ Copyright (C) 2007-2013 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
#include <config.h>
-#include "canonicalize.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 <stdlib.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"
-#define ASSERT(expr) \
- do \
- { \
- if (!(expr)) \
- { \
- fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
- fflush (stderr); \
- abort (); \
- } \
- } \
- while (0)
+static void *
+null_ptr (void)
+{
+ return NULL;
+}
int
-main ()
+main (void)
{
-#ifdef GNULIB_CANONICALIZE
+#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 ("t-can-lgpl.tmp/huk");
- char *result2 = canonicalize_file_name ("t-can-lgpl.tmp/tra");
+ 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) - 19, "/t-can-lgpl.tmp/tra") == 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 ("t-can-lgpl.tmp/plo");
- char *result2 = canonicalize_file_name ("t-can-lgpl.tmp/bef");
- char *result3 = canonicalize_file_name ("t-can-lgpl.tmp/lum");
+ 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) - 19, "/t-can-lgpl.tmp/lum") == 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 = canonicalize_file_name ("t-can-lgpl.tmp/ouk");
+ 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 = canonicalize_file_name ("ise");
+ 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;
}