| /* |
| * SPDX-License-Identifier: BSD-2-Clause-FreeBSD |
| * |
| * Copyright (c) 2021 iXsystems, Inc. |
| * |
| * 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 AUTHOR 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 AUTHOR 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. |
| * |
| * Test for correct behavior of DOS mode READONLY flag on a file. |
| * We should be able to open a file RW, set READONLY, and still write to the fd. |
| */ |
| |
| #include <sys/stat.h> |
| #include <err.h> |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <unistd.h> |
| |
| int |
| main(int argc, const char *argv[]) |
| { |
| const char *buf = "We should be allowed to write this to the fd.\n"; |
| const char *path; |
| int fd; |
| |
| if (argc != 2) { |
| fprintf(stderr, "usage: %s PATH\n", argv[0]); |
| return (EXIT_FAILURE); |
| } |
| path = argv[1]; |
| fd = open(path, O_CREAT|O_RDWR, 0777); |
| if (fd == -1) |
| err(EXIT_FAILURE, "%s: open failed", path); |
| if (chflags(path, UF_READONLY) == -1) |
| err(EXIT_FAILURE, "%s: chflags failed", path); |
| if (write(fd, buf, strlen(buf)) == -1) |
| err(EXIT_FAILURE, "%s: write failed", path); |
| if (close(fd) == -1) |
| err(EXIT_FAILURE, "%s: close failed", path); |
| return (EXIT_SUCCESS); |
| } |