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      1 /*	$NetBSD: fstest_udf.c,v 1.5 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 <fs/udf/udf_mount.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 udftestargs {
     51         struct udf_args ta_uargs;
     52         char ta_devpath[MAXPATHLEN];
     53         char ta_imgpath[MAXPATHLEN];
     54 };
     55 
     56 int
     57 udf_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 udftestargs *args;
     64 	struct sigaction act, oact;
     65 
     66 	/*
     67 	 * Sectorsize can be specified with -S, as a multiple of 512.
     68 	 * newfs_udf takes humanized number as size in bytes as -s parameter!
     69 	 */
     70 	snprintf(cmd, 1024, "newfs_udf -F -s %"PRId64" %s >/dev/null", size, image);
     71 	memset(&act, 0, sizeof(act));
     72 	act.sa_handler = SIG_DFL;
     73 	sigaction(SIGCHLD, &act, &oact);
     74 	res = system(cmd);
     75 	sigaction(SIGCHLD, &oact, NULL);
     76 	if (res != 0)
     77 		return res;
     78 
     79 	res = rump_init();
     80 	if (res != 0)
     81 		return res;
     82 
     83 	args = calloc(1, sizeof(*args));
     84 	if (args == NULL)
     85 		return -1;
     86 
     87 	snprintf(args->ta_devpath, MAXPATHLEN, "/dev/device%d.udf", num);
     88 	snprintf(args->ta_imgpath, MAXPATHLEN, "%s", image);
     89 	args->ta_uargs.fspec = args->ta_devpath;
     90 	args->ta_uargs.version = UDFMNT_VERSION;
     91 
     92 	res = rump_pub_etfs_register(args->ta_devpath, image, RUMP_ETFS_BLK);
     93 	if (res != 0) {
     94 		free(args);
     95 		return res;
     96 	}
     97 
     98 	*buf = args;
     99 	num++;
    100 
    101 	return 0;
    102 }
    103 __strong_alias(udflog_fstest_newfs,udf_fstest_newfs);
    104 
    105 int
    106 udf_fstest_delfs(const atf_tc_t *tc, void *buf)
    107 {
    108 	int res;
    109 	struct udftestargs *args = buf;
    110 
    111 	res = rump_pub_etfs_remove(args->ta_devpath);
    112 	if (res != 0) {
    113 		errno = res;
    114 		return -1;
    115 	}
    116 
    117 	res = unlink(args->ta_imgpath);
    118 	if (res != 0)
    119 		return res;
    120 
    121 	free(args);
    122 
    123 	return 0;
    124 }
    125 __strong_alias(udflog_fstest_delfs,udf_fstest_delfs);
    126 
    127 int
    128 udf_fstest_mount(const atf_tc_t *tc, void *buf, const char *path, int flags)
    129 {
    130 	int res;
    131 	struct udftestargs *args = buf;
    132 
    133 	res = rump_sys_mkdir(path, 0777);
    134 	if (res == -1)
    135 		return res;
    136 
    137 	res = rump_sys_mount(MOUNT_UDF, path, flags, &args->ta_uargs,
    138 	    sizeof(args->ta_uargs));
    139 	return res;
    140 }
    141 
    142 int
    143 udf_fstest_unmount(const atf_tc_t *tc, const char *path, int flags)
    144 {
    145 	int res;
    146 
    147 	res = rump_sys_unmount(path, flags);
    148 	if (res == -1)
    149 		return res;
    150 
    151 	res = rump_sys_rmdir(path);
    152 	return res;
    153 }
    154 __strong_alias(udflog_fstest_unmount,udf_fstest_unmount);
    155