diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/sys/t_unlink.c')
-rw-r--r-- | contrib/netbsd-tests/lib/libc/sys/t_unlink.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/sys/t_unlink.c b/contrib/netbsd-tests/lib/libc/sys/t_unlink.c new file mode 100644 index 0000000..38bff4c --- /dev/null +++ b/contrib/netbsd-tests/lib/libc/sys/t_unlink.c @@ -0,0 +1,158 @@ +/* $NetBSD: t_unlink.c,v 1.2 2014/04/21 18:05:17 martin Exp $ */ + +/*- + * Copyright (c) 2011 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Jukka Ruohonen. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ +#include <sys/cdefs.h> +__RCSID("$NetBSD: t_unlink.c,v 1.2 2014/04/21 18:05:17 martin Exp $"); + +#include <sys/stat.h> + +#include <atf-c.h> +#include <errno.h> +#include <fcntl.h> +#include <limits.h> +#include <string.h> +#include <unistd.h> + +static char path[] = "unlink"; + +ATF_TC_WITH_CLEANUP(unlink_basic); +ATF_TC_HEAD(unlink_basic, tc) +{ + atf_tc_set_md_var(tc, "descr", "A basic test of unlink(2)"); +} + +ATF_TC_BODY(unlink_basic, tc) +{ + const size_t n = 512; + size_t i; + int fd; + + for (i = 0; i < n; i++) { + + fd = open(path, O_RDWR | O_CREAT, 0666); + + ATF_REQUIRE(fd != -1); + ATF_REQUIRE(close(fd) == 0); + ATF_REQUIRE(unlink(path) == 0); + + errno = 0; + ATF_REQUIRE_ERRNO(ENOENT, open(path, O_RDONLY) == -1); + } +} + +ATF_TC_CLEANUP(unlink_basic, tc) +{ + (void)unlink(path); +} + +ATF_TC_WITH_CLEANUP(unlink_err); +ATF_TC_HEAD(unlink_err, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test error conditions of unlink(2)"); +} + +ATF_TC_BODY(unlink_err, tc) +{ + char buf[PATH_MAX + 1]; + + (void)memset(buf, 'x', sizeof(buf)); + + errno = 0; + ATF_REQUIRE_ERRNO(EBUSY, unlink("/") == -1); + + errno = 0; + ATF_REQUIRE_ERRNO(ENAMETOOLONG, unlink(buf) == -1); + + errno = 0; + ATF_REQUIRE_ERRNO(ENOENT, unlink("/a/b/c/d/e/f/g/h/i/j/k/l/m") == -1); +} + +ATF_TC_CLEANUP(unlink_err, tc) +{ + (void)unlink(path); +} + +ATF_TC_WITH_CLEANUP(unlink_fifo); +ATF_TC_HEAD(unlink_fifo, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test unlink(2) for a FIFO"); +} + +ATF_TC_BODY(unlink_fifo, tc) +{ + + ATF_REQUIRE(mkfifo(path, 0666) == 0); + ATF_REQUIRE(unlink(path) == 0); + + errno = 0; + ATF_REQUIRE_ERRNO(ENOENT, open(path, O_RDONLY) == -1); +} + +ATF_TC_CLEANUP(unlink_fifo, tc) +{ + (void)unlink(path); +} + +ATF_TC_WITH_CLEANUP(unlink_perm); +ATF_TC_HEAD(unlink_perm, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test permissions with unlink(2)"); + atf_tc_set_md_var(tc, "require.user", "unprivileged"); +} + +ATF_TC_BODY(unlink_perm, tc) +{ + int rv; + + errno = 0; + rv = unlink("/etc"); + ATF_REQUIRE_MSG(rv == -1 && (errno == EACCES || errno == EPERM), + "unlinking a directory did not fail with EPERM or EACCESS; " + "unlink() returned %d, errno %d", rv, errno); + + errno = 0; + ATF_REQUIRE_ERRNO(EACCES, unlink("/root/.profile") == -1); +} + +ATF_TC_CLEANUP(unlink_perm, tc) +{ + (void)unlink(path); +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, unlink_basic); + ATF_TP_ADD_TC(tp, unlink_err); + ATF_TP_ADD_TC(tp, unlink_fifo); + ATF_TP_ADD_TC(tp, unlink_perm); + + return atf_no_error(); +} |