diff options
Diffstat (limited to 'regress/lib/libc/sys/t_umask.c')
| -rw-r--r-- | regress/lib/libc/sys/t_umask.c | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/regress/lib/libc/sys/t_umask.c b/regress/lib/libc/sys/t_umask.c new file mode 100644 index 00000000000..b312e8183b8 --- /dev/null +++ b/regress/lib/libc/sys/t_umask.c @@ -0,0 +1,210 @@ +/* $OpenBSD: t_umask.c,v 1.1.1.1 2019/11/19 19:57:04 bluhm Exp $ */ +/* $NetBSD: t_umask.c,v 1.2 2017/01/13 19:34:19 christos 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 "macros.h" + +#include <sys/cdefs.h> +__RCSID("$NetBSD: t_umask.c,v 1.2 2017/01/13 19:34:19 christos Exp $"); + +#include <sys/stat.h> +#include <sys/wait.h> + +#include "atf-c.h" +#include <fcntl.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +static const char path[] = "umask"; +static const mode_t mask[] = { + S_IRWXU, + S_IRUSR, + S_IWUSR, + S_IXUSR, + S_IRWXG, + S_IRGRP, + S_IWGRP, + S_IXGRP, + S_IRWXO, + S_IROTH, + S_IWOTH, + S_IXOTH +}; + +ATF_TC_WITH_CLEANUP(umask_fork); +ATF_TC_HEAD(umask_fork, tc) +{ + atf_tc_set_md_var(tc, "descr", "Check that umask(2) is inherited"); +} + +ATF_TC_BODY(umask_fork, tc) +{ + mode_t mode; + pid_t pid; + size_t i; + int sta; + + for (i = 0; i < __arraycount(mask) - 1; i++) { + + (void)umask(mask[i] | mask[i + 1]); + + pid = fork(); + + if (pid < 0) + continue; + + if (pid == 0) { + + mode = umask(mask[i]); + + if (mode != (mask[i] | mask[i + 1])) + _exit(EXIT_FAILURE); + + _exit(EXIT_SUCCESS); + } + + (void)wait(&sta); + + if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS) + goto fail; + } + + return; + +fail: + (void)umask(S_IWGRP | S_IWOTH); + + atf_tc_fail("umask(2) was not inherited"); +} + +ATF_TC_CLEANUP(umask_fork, tc) +{ + (void)umask(S_IWGRP | S_IWOTH); +} + +ATF_TC_WITH_CLEANUP(umask_open); +ATF_TC_HEAD(umask_open, tc) +{ + atf_tc_set_md_var(tc, "descr", "A basic test of open(2) and umask(2)"); +} + +ATF_TC_BODY(umask_open, tc) +{ + const char *str = NULL; + struct stat st; + size_t i; + int fd; + + for (i = 0; i < __arraycount(mask); i++) { + + (void)umask(mask[i]); + + fd = open(path, O_RDWR | O_CREAT, 0777); + + if (fd < 0) + continue; + + (void)close(fd); + (void)memset(&st, 0, sizeof(struct stat)); + + if (stat(path, &st) != 0) { + str = "failed to stat(2)"; + goto out; + } + + if ((st.st_mode & mask[i]) != 0) { + str = "invalid umask(2)"; + goto out; + } + + if (unlink(path) != 0) { + str = "failed to unlink(2)"; + goto out; + } + + } + +out: + (void)umask(S_IWGRP | S_IWOTH); + + if (str != NULL) + atf_tc_fail("%s", str); +} + +ATF_TC_CLEANUP(umask_open, tc) +{ + (void)umask(S_IWGRP | S_IWOTH); + (void)unlink(path); +} + +ATF_TC_WITH_CLEANUP(umask_previous); +ATF_TC_HEAD(umask_previous, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test the return value from umask(2)"); +} + +ATF_TC_BODY(umask_previous, tc) +{ + mode_t mode; + size_t i; + + for (i = 0; i < __arraycount(mask); i++) { + + mode = umask(mask[i]); + mode = umask(mask[i]); + + if (mode != mask[i]) + goto fail; + } + + return; + +fail: + (void)umask(S_IWGRP | S_IWOTH); + + atf_tc_fail("umask(2) did not return the previous mask"); +} + +ATF_TC_CLEANUP(umask_previous, tc) +{ + (void)umask(S_IWGRP | S_IWOTH); +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, umask_fork); + ATF_TP_ADD_TC(tp, umask_open); + ATF_TP_ADD_TC(tp, umask_previous); + + return atf_no_error(); +} |