Mercurial > gnulib
view tests/test-openat-safer.c @ 40224:5d9b82ca550a
tests: Free allocated memory.
Reported by <deltatau@protonmail.com> via Assaf Gordon.
* tests/test-astrxfrm.c (main): Free allocated memory.
* tests/test-bitset.c (compare, check_attributes): Free allocated
bitsets.
* tests/test-filenamecat.c (main): Free allocated memory.
* tests/test-freadahead.c (main): Free allocated memory and close stdin.
* tests/test-freadptr.c (main): Likewise.
* tests/test-freadptr2.c (main): Free allocated memory.
* tests/test-freadseek.c (main): Likewise.
* tests/test-gc-arcfour.c (main): Close allocated context.
* tests/test-gc-arctwo.c (main): Likewise.
* tests/test-gc-des.c (main): Close all allocated contexts.
* tests/test-pipe-filter-gi1.c (main): Free allocated memory.
* tests/test-pipe-filter-ii1.c (main): Likewise.
* tests/test-posix_spawn_file_actions_addchdir.c (main): Destroy the
allocated file actions.
* tests/test-posix_spawn_file_actions_addclose.c (main): Likewise.
* tests/test-posix_spawn_file_actions_adddup2.c (main): Likewise.
* tests/test-posix_spawn_file_actions_addopen.c (main): Likewise.
* tests/test-sameacls.c (main): Free allocated memory and ACLs.
* tests/test-strfmon_l.c (main): Free allocated locales.
* tests/test-striconveh.c (main): Free allocated iconv_t objects.
* tests/uniconv/test-u8-conv-to-enc.c (main): Free allocated memory.
* tests/uniconv/test-u16-conv-to-enc.c (main): Likewise.
* tests/uniconv/test-u32-conv-to-enc.c (main): Likewise.
* tests/unistr/test-chr.h (main): Free input32.
* tests/unistr/test-strchr.h (test_strchr): Likewise.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sun, 10 Mar 2019 14:05:09 +0100 |
parents | 7972ff22b3cf |
children |
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/* Test that openat_safer leave standard fds alone. Copyright (C) 2009-2019 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 <https://www.gnu.org/licenses/>. */ /* Written by Eric Blake <ebb9@byu.net>, 2009. */ #include <config.h> #include "fcntl--.h" #include <errno.h> #include <stdio.h> #include <sys/stat.h> #include <unistd.h> /* This test intentionally closes stderr. So, we arrange to have fd 10 (outside the range of interesting fd's during the test) set up to duplicate the original stderr. */ #define BACKUP_STDERR_FILENO 10 #define ASSERT_STREAM myerr #include "macros.h" static FILE *myerr; #define witness "test-openat-safer.txt" int main (void) { int i; int j; int dfd; int fd; char buf[2]; /* We close fd 2 later, so save it in fd 10. */ if (dup2 (STDERR_FILENO, BACKUP_STDERR_FILENO) != BACKUP_STDERR_FILENO || (myerr = fdopen (BACKUP_STDERR_FILENO, "w")) == NULL) return 2; /* Create handle for future use. */ dfd = openat (AT_FDCWD, ".", O_RDONLY); ASSERT (STDERR_FILENO < dfd); /* Create file for later checks. */ remove (witness); fd = openat (dfd, witness, O_WRONLY | O_CREAT | O_EXCL, 0600); ASSERT (STDERR_FILENO < fd); ASSERT (write (fd, "hi", 2) == 2); ASSERT (close (fd) == 0); /* Four iterations, with progressively more standard descriptors closed. */ for (i = -1; i <= STDERR_FILENO; i++) { ASSERT (fchdir (dfd) == 0); if (0 <= i) ASSERT (close (i) == 0); /* Execute once in ".", once in "..". */ for (j = 0; j <= 1; j++) { if (j) ASSERT (chdir ("..") == 0); /* Check for error detection. */ errno = 0; ASSERT (openat (AT_FDCWD, "", O_RDONLY) == -1); ASSERT (errno == ENOENT); errno = 0; ASSERT (openat (dfd, "", O_RDONLY) == -1); ASSERT (errno == ENOENT); errno = 0; ASSERT (openat (-1, ".", O_RDONLY) == -1); ASSERT (errno == EBADF); /* Check for trailing slash and /dev/null handling. */ errno = 0; ASSERT (openat (dfd, "nonexist.ent/", O_CREAT | O_RDONLY, S_IRUSR | S_IWUSR) == -1); ASSERT (errno == ENOTDIR || errno == EISDIR || errno == ENOENT || errno == EINVAL); errno = 0; ASSERT (openat (dfd, witness "/", O_RDONLY) == -1); ASSERT (errno == ENOTDIR || errno == EISDIR || errno == EINVAL); #if defined __linux__ || defined __ANDROID__ /* Using a bad directory is okay for absolute paths. */ fd = openat (-1, "/dev/null", O_WRONLY); ASSERT (STDERR_FILENO < fd); #endif /* Using a non-directory is wrong for relative paths. */ errno = 0; fd = open ("/dev/null", O_RDONLY); ASSERT (STDERR_FILENO < fd); ASSERT (openat (fd, ".", O_RDONLY) == -1); ASSERT (errno == EBADF || errno == ENOTDIR); ASSERT (close (fd) == 0); /* Check for our witness file. */ fd = openat (dfd, witness, O_RDONLY | O_NOFOLLOW); ASSERT (STDERR_FILENO < fd); ASSERT (read (fd, buf, 2) == 2); ASSERT (buf[0] == 'h' && buf[1] == 'i'); ASSERT (close (fd) == 0); } } ASSERT (fchdir (dfd) == 0); ASSERT (unlink (witness) == 0); ASSERT (close (dfd) == 0); return 0; }