133 lines
3.7 KiB
C
133 lines
3.7 KiB
C
/* $NetBSD: t_fcntl.c,v 1.4 2023/08/05 08:05:16 riastradh Exp $ */
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/*-
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* Copyright (c) 2019 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christos Zoulas.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/mman.h>
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#include <atf-c.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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ATF_TC(getpath_vnode);
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ATF_TC_HEAD(getpath_vnode, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Checks fcntl(2) F_GETPATH for vnodes");
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}
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static const struct {
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const char *name;
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int rv;
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} files[] = {
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{ "/bin/ls", 0 },
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{ "/bin/sh", 0 },
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{ "/dev/zero", 0 },
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{ "/dev/null", 0 },
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{ "/sbin/chown", 0 },
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{ "/", ENOENT },
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};
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ATF_TC_BODY(getpath_vnode, tc)
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{
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char path[MAXPATHLEN];
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int fd, rv;
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for (size_t i = 0; i < __arraycount(files); i++) {
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fd = open(files[i].name, O_RDONLY|O_NOFOLLOW);
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ATF_REQUIRE_MSG(fd != -1, "Cannot open `%s'", files[i].name);
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rv = fcntl(fd, F_GETPATH, path);
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if (files[i].rv) {
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ATF_REQUIRE_MSG(errno == files[i].rv,
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"Unexpected error %d != %d for `%s'", errno,
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files[i].rv, files[i].name);
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} else {
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ATF_REQUIRE_MSG(rv != -1,
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"Can't get path for `%s' (%s)", files[i].name,
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strerror(errno));
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ATF_REQUIRE_MSG(strcmp(files[i].name, path) == 0,
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"Bad name `%s' != `%s'", path, files[i].name);
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close(fd);
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}
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}
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}
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ATF_TC(getpath_memfd);
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ATF_TC_HEAD(getpath_memfd, tc)
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{
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atf_tc_set_md_var(tc, "descr",
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"Checks fcntl(2) F_GETPATH for fds created by memfd_create");
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}
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#define MEMFD_NAME(name) { name, "memfd:" name }
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static const struct {
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const char *bare;
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const char *prefixed;
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} memfd_names[] = {
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MEMFD_NAME(""),
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MEMFD_NAME("some text"),
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MEMFD_NAME("memfd:"),
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MEMFD_NAME("../\\"),
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};
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ATF_TC_BODY(getpath_memfd, tc)
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{
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char path[MAXPATHLEN];
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int fd, rv;
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for (size_t i = 0; i < __arraycount(memfd_names); i++) {
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fd = memfd_create(memfd_names[i].bare, 0);
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ATF_CHECK_MSG(fd != -1, "Failed to create memfd (%s)",
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strerror(errno));
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if (fd == -1)
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continue;
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rv = fcntl(fd, F_GETPATH, path);
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ATF_CHECK_MSG(rv != -1, "Can't get path `%s' (%s)",
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memfd_names[i].bare, strerror(errno));
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if (rv == -1)
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goto next;
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ATF_CHECK_MSG(strcmp(memfd_names[i].prefixed, path) == 0,
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"Bad name `%s' != `%s'", path, memfd_names[i].prefixed);
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next: close(fd);
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}
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, getpath_vnode);
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ATF_TP_ADD_TC(tp, getpath_memfd);
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return atf_no_error();
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}
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