/*
* Copyright (c) 2024 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* Please see the License for the specific language governing rights and
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*/
/* compile: xcrun -sdk macosx.internal clang -ldarwintest -o fmount_funmount fmount_funmount.c -g -Weverything */
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <sys/mount.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <darwintest.h>
#include <darwintest/utils.h>
#define RUN_TEST TARGET_OS_OSX
#define FSTYPE_APFS "apfs"
#define FSTYPE_DEVFS "devfs"
static char template[MAXPATHLEN];
static char *testdir = NULL;
T_GLOBAL_META(
T_META_NAMESPACE("xnu.vfs"),
T_META_RADAR_COMPONENT_NAME("xnu"),
T_META_RADAR_COMPONENT_VERSION("vfs"),
T_META_ASROOT(false),
T_META_ENABLED(RUN_TEST),
T_META_CHECK_LEAKS(false));
static int
verify_fstypename(const char *name)
{
int error;
struct statfs statfs_buf;;
error = statfs(testdir, &statfs_buf);
if (error) {
return errno;
}
if (strncmp(name, statfs_buf.f_fstypename, MFSNAMELEN)) {
return EINVAL;
}
return 0;
}
static void
cleanup(void)
{
if (testdir) {
rmdir(testdir);
}
}
T_DECL(fmount_funmount,
"Test fmount() and funmount() system calls")
{
#if (!RUN_TEST)
T_SKIP("Not macOS");
#endif
int fd;
T_ATEND(cleanup);
T_SETUPBEGIN;
snprintf(template, sizeof(template), "%s/fmount_funmount-XXXXXX", dt_tmpdir());
T_ASSERT_POSIX_NOTNULL((testdir = mkdtemp(template)), "Creating test root dir");
T_ASSERT_POSIX_ZERO(verify_fstypename(FSTYPE_APFS), "Verifing fstype name equals %s", FSTYPE_APFS);
T_SETUPEND;
/* Mount phase */
T_ASSERT_POSIX_SUCCESS((fd = open(testdir, O_DIRECTORY)), "Open test root dir: %s", testdir);
T_ASSERT_POSIX_SUCCESS(fmount(FSTYPE_DEVFS, fd, MNT_RDONLY, NULL), "Mounting temporary %s mount using fmount(fd = %d)", FSTYPE_DEVFS, fd);
T_ASSERT_POSIX_ZERO(verify_fstypename(FSTYPE_DEVFS), "Verifing fstype name equals %s", FSTYPE_DEVFS);
T_ASSERT_POSIX_SUCCESS(close(fd), "Closing (fd = %d)", fd);
/* Unmount phase */
T_ASSERT_POSIX_SUCCESS((fd = open(testdir, O_DIRECTORY)), "Open test root dir: %s", testdir);
T_ASSERT_POSIX_SUCCESS(funmount(fd, MNT_FORCE), "Unmounting %s using funmount(fd = %d)", testdir, fd);
T_ASSERT_POSIX_ZERO(verify_fstypename(FSTYPE_APFS), "Verifing fstype name equals %s", FSTYPE_APFS);
T_ASSERT_POSIX_SUCCESS(close(fd), "Closing (fd = %d)", fd);
}