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      1 /*	$NetBSD: fstest_ffs.c,v 1.7 2020/06/17 00:16:21 kamil Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2010 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Nicolas Joly.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/mount.h>
     33 #include <sys/stat.h>
     34 
     35 #include <atf-c.h>
     36 #include <stdio.h>
     37 #include <stdlib.h>
     38 #include <string.h>
     39 #include <unistd.h>
     40 #include <signal.h>
     41 
     42 #include <ufs/ufs/ufsmount.h>
     43 
     44 #include <rump/rump.h>
     45 #include <rump/rump_syscallshotgun.h>
     46 #include <rump/rump_syscalls.h>
     47 
     48 #include "h_fsmacros.h"
     49 
     50 struct ffstestargs {
     51         struct ufs_args ta_uargs;
     52         char ta_devpath[MAXPATHLEN];
     53         char ta_imgpath[MAXPATHLEN];
     54 };
     55 
     56 int
     57 ffs_fstest_newfs(const atf_tc_t *tc, void **buf, const char *image, off_t size,
     58 	void *fspriv)
     59 {
     60 	char cmd[1024];
     61 	int res;
     62 	static unsigned int num = 0;
     63 	struct ffstestargs *args;
     64 	struct sigaction act, oact;
     65 
     66 	size /= 512;
     67 	snprintf(cmd, 1024, "newfs -F -s %"PRId64" %s >/dev/null", size, image);
     68 	memset(&act, 0, sizeof(act));
     69 	act.sa_handler = SIG_DFL;
     70 	sigaction(SIGCHLD, &act, &oact);
     71 	res = system(cmd);
     72 	sigaction(SIGCHLD, &oact, NULL);
     73 	if (res != 0)
     74 		return res;
     75 
     76 	res = rump_init();
     77 	if (res != 0)
     78 		return res;
     79 
     80 	args = calloc(1, sizeof(*args));
     81 	if (args == NULL)
     82 		return -1;
     83 
     84 	snprintf(args->ta_devpath, MAXPATHLEN, "/dev/device%d.ffs", num);
     85 	snprintf(args->ta_imgpath, MAXPATHLEN, "%s", image);
     86 	args->ta_uargs.fspec = args->ta_devpath;
     87 
     88 	res = rump_pub_etfs_register(args->ta_devpath, image, RUMP_ETFS_BLK);
     89 	if (res != 0) {
     90 		free(args);
     91 		return res;
     92 	}
     93 
     94 	*buf = args;
     95 	num++;
     96 
     97 	return 0;
     98 }
     99 __strong_alias(ffslog_fstest_newfs,ffs_fstest_newfs);
    100 
    101 int
    102 ffs_fstest_delfs(const atf_tc_t *tc, void *buf)
    103 {
    104 	int res;
    105 	struct ffstestargs *args = buf;
    106 
    107 	res = rump_pub_etfs_remove(args->ta_devpath);
    108 	if (res != 0) {
    109 		errno = res;
    110 		return -1;
    111 	}
    112 
    113 	res = unlink(args->ta_imgpath);
    114 	if (res != 0)
    115 		return res;
    116 
    117 	free(args);
    118 
    119 	return 0;
    120 }
    121 __strong_alias(ffslog_fstest_delfs,ffs_fstest_delfs);
    122 
    123 int
    124 ffs_fstest_mount(const atf_tc_t *tc, void *buf, const char *path, int flags)
    125 {
    126 	int res;
    127 	struct ffstestargs *args = buf;
    128 
    129 	res = rump_sys_mkdir(path, 0777);
    130 	if (res == -1)
    131 		return res;
    132 
    133 	res = rump_sys_mount(MOUNT_FFS, path, flags, &args->ta_uargs,
    134 	    sizeof(args->ta_uargs));
    135 	return res;
    136 }
    137 
    138 int
    139 ffslog_fstest_mount(const atf_tc_t *tc, void *buf, const char *path, int flags)
    140 {
    141 
    142 	return ffs_fstest_mount(tc, buf, path, flags | MNT_LOG);
    143 }
    144 
    145 int
    146 ffs_fstest_unmount(const atf_tc_t *tc, const char *path, int flags)
    147 {
    148 	int res;
    149 
    150 	res = rump_sys_unmount(path, flags);
    151 	if (res == -1)
    152 		return res;
    153 
    154 	res = rump_sys_rmdir(path);
    155 	return res;
    156 }
    157 __strong_alias(ffslog_fstest_unmount,ffs_fstest_unmount);
    158