--- /dev/null
+/* Test for chmod functions.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 2000.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <dirent.h>
+#include <errno.h>
+#include <error.h>
+#include <fcntl.h>
+#include <mcheck.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/stat.h>
+
+
+#define OUT_OF_MEMORY \
+ do { \
+ puts ("cannot allocate memory"); \
+ result = 1; \
+ goto fail; \
+ } while (0)
+
+int
+do_test (int argc, char *argv[])
+{
+ const char *builddir;
+ struct stat64 st1;
+ struct stat64 st2;
+ char *buf;
+ char *testdir;
+ char *testfile = NULL;
+ char *startdir;
+ size_t buflen;
+ int fd;
+ int result = 0;
+ DIR *dir;
+
+ mtrace ();
+
+ if (argc <= 1)
+ error (EXIT_FAILURE, 0, "no parameters");
+
+ /* This is where we will create the test files. */
+ builddir = argv[1];
+ buflen = strlen (builddir) + 50;
+
+ startdir = getcwd (NULL, 0);
+ if (startdir == NULL)
+ {
+ printf ("cannot get current directory: %m\n");
+ exit (EXIT_FAILURE);
+ }
+
+ /* A buffer large enough for everything we need. */
+ buf = (char *) alloca (buflen);
+
+ /* Create the directory name. */
+ snprintf (buf, buflen, "%schmoddirXXXXXX", builddir);
+
+ if (mkdtemp (buf) == NULL)
+ {
+ printf ("cannot create test directory: %m\n");
+ exit (EXIT_FAILURE);
+ }
+
+ if (chmod ("", 0600) == 0)
+ {
+ puts ("chmod(\"\", 0600 didn't fail");
+ result = 1;
+ }
+ else if (errno != ENOENT)
+ {
+ puts ("chmod(\"\",0600) does not set errno to ENOENT");
+ result = 1;
+ }
+
+ /* Create a duplicate. */
+ testdir = strdup (buf);
+ if (testdir == NULL)
+ OUT_OF_MEMORY;
+
+ if (stat64 (testdir, &st1) != 0)
+ {
+ printf ("cannot stat test directory: %m\n");
+ exit (1);
+ }
+ if (!S_ISDIR (st1.st_mode))
+ {
+ printf ("file not created as directory: %m\n");
+ exit (1);
+ }
+
+ /* We have to wait for a second to make sure the ctime changes. */
+ sleep (1);
+
+ /* Remove all access rights from the directory. */
+ if (chmod (testdir, 0) != 0)
+ {
+ printf ("cannot change mode of test directory: %m\n");
+ result = 1;
+ goto fail;
+ }
+
+ if (stat64 (testdir, &st2) != 0)
+ {
+ printf ("cannot stat test directory: %m\n");
+ result = 1;
+ goto fail;
+ }
+
+ /* Compare result. */
+ if ((st2.st_mode & ALLPERMS) != 0)
+ {
+ printf ("chmod(...,0) on directory left bits nonzero: %o\n",
+ st2.st_mode & ALLPERMS);
+ result = 1;
+ }
+ if (st1.st_ctime >= st2.st_ctime)
+ {
+ puts ("chmod(...,0) did not set ctime correctly");
+ result = 1;
+ }
+
+ /* Name of a file in the directory. */
+ snprintf (buf, buflen, "%s/file", testdir);
+ testfile = strdup (buf);
+ if (testfile == NULL)
+ OUT_OF_MEMORY;
+
+ fd = creat (testfile, 0);
+ if (fd != -1)
+ {
+ puts ("managed to create test file in protected directory");
+ result = 1;
+ close (fd);
+ }
+ if (errno != EACCES)
+ {
+ puts ("creat didn't generate correct errno value");
+ result = 1;
+ }
+
+ /* With this mode it still shouldn't be possible to create a file. */
+ if (chmod (testdir, 0600) != 0)
+ {
+ printf ("cannot change mode of test directory to 0600: %m\n");
+ result = 1;
+ goto fail;
+ }
+
+ fd = creat (testfile, 0);
+ if (fd != -1)
+ {
+ puts ("managed to create test file in no-x protected directory");
+ result = 1;
+ close (fd);
+ }
+ if (errno != EACCES)
+ {
+ puts ("creat didn't generate correct errno value");
+ result = 1;
+ }
+
+ /* Change the directory mode back to allow creating a file. This
+ time with fchmod. */
+ dir = opendir (testdir);
+ if (dir != NULL)
+ {
+ if (fchmod (dirfd (dir), 0700) != 0)
+ {
+ printf ("cannot change mode of test directory to 0700: %m\n");
+ result = 1;
+ closedir (dir);
+ goto fail;
+ }
+
+ closedir (dir);
+ }
+ else
+ {
+ printf ("cannot open directory: %m\n");
+ result = 1;
+
+ if (chmod (testdir, 0700) != 0)
+ {
+ printf ("cannot change mode of test directory to 0700: %m\n");
+ goto fail;
+ }
+ }
+
+ fd = creat (testfile, 0);
+ if (fd == -1)
+ {
+ puts ("still didn't manage to create test file in protected directory");
+ result = 1;
+ goto fail;
+ }
+ if (fstat64 (fd, &st1) != 0)
+ {
+ printf ("cannot stat new file: %m\n");
+ result = 1;
+ }
+ else if ((st1.st_mode & ALLPERMS) != 0)
+ {
+ puts ("file not created with access mode 0");
+ result = 1;
+ }
+ close (fd);
+
+ snprintf (buf, buflen, "%s/..", testdir);
+ chdir (buf);
+ /* We are now in the directory above the one we create the test
+ directory in. */
+
+ sleep (1);
+ snprintf (buf, buflen, "./%s/../%s/file",
+ basename (testdir), basename (testdir));
+ if (chmod (buf, 0600) != 0)
+ {
+ printf ("cannot change mode of file to 0600: %m\n");
+ result = 1;
+ goto fail;
+ }
+ snprintf (buf, buflen, "./%s//file", basename (testdir));
+ if (stat64 (buf, &st2) != 0)
+ {
+ printf ("cannot stat new file: %m\n");
+ result = 1;
+ }
+ else if ((st2.st_mode & ALLPERMS) != 0600)
+ {
+ puts ("file mode not changed to 0600");
+ result = 1;
+ }
+ else if (st1.st_ctime >= st2.st_ctime)
+ {
+ puts ("chmod(\".../file\",0600) did not set ctime correctly");
+ result = 1;
+ }
+
+ if (chmod (buf, 0777 | S_ISUID | S_ISGID) != 0)
+ {
+ printf ("cannot change mode of file to %o: %m\n",
+ 0777 | S_ISUID | S_ISGID);
+ result = 1;
+ }
+ if (stat64 (buf, &st2) != 0)
+ {
+ printf ("cannot stat test file: %m\n");
+ result = 1;
+ }
+ else if ((st2.st_mode & ALLPERMS) != (0777 | S_ISUID | S_ISGID))
+ {
+ puts ("file mode not changed to 0777 | S_ISUID | S_ISGID");
+ result = 1;
+ }
+
+ if (chmod (basename (testdir), 0777 | S_ISUID | S_ISGID | S_ISVTX) != 0)
+ {
+ printf ("cannot change mode of test directory to %o: %m\n",
+ 0777 | S_ISUID | S_ISGID | S_ISVTX);
+ result = 1;
+ }
+ if (stat64 (basename (testdir), &st2) != 0)
+ {
+ printf ("cannot stat test directory: %m\n");
+ result = 1;
+ }
+ else if ((st2.st_mode & ALLPERMS) != (0777 | S_ISUID | S_ISGID | S_ISVTX))
+ {
+ puts ("directory mode not changed to 0777 | S_ISUID | S_ISGID | S_ISGID");
+ result = 1;
+ }
+
+ snprintf (buf, buflen, "./%s/no-such-file", basename (testdir));
+ if (chmod (buf, 0600) != -1)
+ {
+ puts ("chmod(\".../no-such-file\",0600) did not fail");
+ result = 1;
+ }
+ else if (errno != ENOENT)
+ {
+ puts ("chmod(\".../no-such-file\",0600) does not set errno to ENOENT");
+ result = 1;
+ }
+
+ snprintf (buf, buflen, "%s/", basename (testdir));
+ if (chmod (basename (testdir), 0677) != 0)
+ {
+ printf ("cannot change mode of test directory to 0677: %m\n");
+ result = 1;
+ }
+ else
+ {
+ snprintf (buf, buflen, "./%s/file", basename (testdir));
+ if (chmod (buf, 0600) == 0)
+ {
+ puts ("chmod(\".../file\") with no-exec directory succeeded");
+ result = 1;
+ }
+ else if (errno != EACCES)
+ {
+ puts ("chmod(\".../file\") with no-exec directory didn't set EACCES");
+ result = 1;
+ }
+ }
+
+ if (chmod (basename (testdir), 0777) != 0)
+ {
+ printf ("cannot change mode of test directory to 0777: %m\n");
+ result = 1;
+ goto fail;
+ }
+
+ snprintf (buf, buflen, "%s/file/cannot-be", basename (testdir));
+ if (chmod (buf, 0600) == 0)
+ {
+ puts ("chmod(\".../file/cannot-be\",0600) did not fail");
+ result = 1;
+ }
+ else if (errno != ENOTDIR)
+ {
+ puts ("chmod(\".../file/cannot-be\",0600) does not set errno to ENOTDIR");
+ result = 1;
+ }
+
+ fail:
+ chdir (startdir);
+
+ /* Remove all the files. */
+ chmod (testdir, 0700);
+ if (testfile != NULL)
+ {
+ chmod (testfile, 0700);
+ unlink (testfile);
+ }
+ rmdir (testdir);
+
+ /* Free the resources. */
+ free (testfile);
+ free (testdir);
+ free (startdir);
+
+ return result;
+}
+
+
+/* We need a few seconds since we have a few sleeps in the code. */
+#define TIMEOUT 20
+
+
+#include "../test-skeleton.c"
int status;
/* We must have
- - five parameters left of called initially
- + --
+ - four parameters left of called initially
+ path for ld.so
+ "--library-path"
+ the library path
+ the application name
- - five parameters left if called through re-execution
- + --direct
- + --restart
+ - three parameters left if called through re-execution
+ file descriptor number which is supposed to be closed
+ the open file descriptor
+ the name of the closed desriptor
*/
- if (argc != 6)
- error (EXIT_FAILURE, 0, "wrong number of arguments (%d)", argc);
if (restart)
- return handle_restart (argv[3], argv[4], argv[5]);
+ {
+ if (argc != 4)
+ error (EXIT_FAILURE, 0, "wrong number of arguments (%d)", argc);
+
+ return handle_restart (argv[1], argv[2], argv[3]);
+ }
+
+ if (argc != 5)
+ error (EXIT_FAILURE, 0, "wrong number of arguments (%d)", argc);
/* Prepare the test. We are creating two files: one which file descriptor
will be marked with FD_CLOEXEC, another which is not. */
snprintf (fd2name, sizeof fd2name, "%d", fd2);
/* This is the child. Construct the command line. */
- execl (argv[2], argv[2], argv[3], argv[4], argv[5], "--direct",
+ execl (argv[1], argv[1], argv[2], argv[3], argv[4], "--direct",
"--restart", fd1name, fd2name, name1, NULL);
error (EXIT_FAILURE, errno, "cannot exec");
char *spargv[12];
/* We must have
- - five parameters left of called initially
- + --
+ - four parameters left of called initially
+ path for ld.so
+ "--library-path"
+ the library path
+ the application name
- - seven parameters left if called through re-execution
- + --direct
- + --restart
+ - five parameters left if called through re-execution
+ file descriptor number which is supposed to be closed
+ the open file descriptor
+ the newly opened file descriptor
+ thhe duped second descriptor
+ the name of the closed descriptor
*/
- if (argc != (restart ? 8 : 6))
+ if (argc != (restart ? 6 : 5))
error (EXIT_FAILURE, 0, "wrong number of arguments (%d)", argc);
if (restart)
- return handle_restart (argv[3], argv[4], argv[5], argv[6], argv[7]);
+ return handle_restart (argv[1], argv[2], argv[3], argv[4], argv[5]);
/* Prepare the test. We are creating two files: one which file descriptor
will be marked with FD_CLOEXEC, another which is not. */
snprintf (fd3name, sizeof fd3name, "%d", fd3);
snprintf (fd4name, sizeof fd4name, "%d", fd4);
- spargv[0] = argv[2];
- spargv[1] = argv[3];
- spargv[2] = argv[4];
- spargv[3] = argv[5];
+ spargv[0] = argv[1];
+ spargv[1] = argv[2];
+ spargv[2] = argv[3];
+ spargv[3] = argv[4];
spargv[4] = (char *) "--direct";
spargv[5] = (char *) "--restart";
spargv[6] = fd1name;
spargv[10] = name1;
spargv[11] = NULL;
- if (posix_spawn (&pid, argv[2], &actions, NULL, spargv, environ) != 0)
+ if (posix_spawn (&pid, argv[1], &actions, NULL, spargv, environ) != 0)
error (EXIT_FAILURE, errno, "posix_spawn");
/* Cleanup. */
size_t allocation;
int save_errno;
- if (name[0] == '\0')
+ if (__builtin_expect (name[0], '\1') == '\0')
{
/* POSIX.1-1990 says an empty name gets ENOENT;
but `open' might like it fine. */
/* We first have to check whether the name is for a directory. We
cannot do this after the open() call since the open/close operation
performed on, say, a tape device might have undesirable effects. */
- if (__xstat64 (_STAT_VER, name, &statbuf) < 0)
+ if (__builtin_expect (__xstat64 (_STAT_VER, name, &statbuf), 0) < 0)
return NULL;
- if (! S_ISDIR (statbuf.st_mode))
+ if (__builtin_expect (! S_ISDIR (statbuf.st_mode), 0))
{
__set_errno (ENOTDIR);
return NULL;
}
fd = __open (name, O_RDONLY|O_NDELAY|EXTRA_FLAGS);
- if (fd < 0)
+ if (__builtin_expect (fd, 0) < 0)
return NULL;
/* Now make sure this really is a directory and nothing changed since
- the `stat' call. */
- if (__fxstat64 (_STAT_VER, fd, &statbuf) < 0)
+ the `stat' call. We do not have to perform the test for the
+ descriptor being associated with a directory if we know the
+ O_DIRECTORY flag is honored by the kernel. */
+ if (__builtin_expect (__fxstat64 (_STAT_VER, fd, &statbuf), 0) < 0)
goto lose;
- if (! S_ISDIR (statbuf.st_mode))
+ if (o_directory_works <= 0
+ && __builtin_expect (! S_ISDIR (statbuf.st_mode), 0))
{
save_errno = ENOTDIR;
goto lose;
}
- if (__fcntl (fd, F_SETFD, FD_CLOEXEC) < 0)
+ if (__builtin_expect (__fcntl (fd, F_SETFD, FD_CLOEXEC), 0) < 0)
goto lose;
#ifdef _STATBUF_ST_BLKSIZE
- if (statbuf.st_blksize < sizeof (struct dirent))
+ if (__builtin_expect (statbuf.st_blksize < sizeof (struct dirent), 0))
allocation = sizeof (struct dirent);
else
allocation = statbuf.st_blksize;
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