cd9660.c revision 330897 
1/*
2 * SPDX-License-Identifier: BSD-4-Clause
3 *
4 * Copyright (c) 2000 Peter Edwards
5 * Copyright (c) 1988, 1993
6 *	The Regents of the University of California.  All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by Peter Edwards
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 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *	This product includes software developed by the University of
21 *	California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 *    may be used to endorse or promote products derived from this software
24 *    without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 */
38
39/*
40 * XXX -
41 * This had to be separated from fstat.c because cd9660s has namespace
42 * conflicts with UFS.
43 */
44
45#include <sys/cdefs.h>
46__FBSDID("$FreeBSD: stable/11/lib/libprocstat/cd9660.c 330897 2018-03-14 03:19:51Z eadler $");
47
48#include <sys/param.h>
49#include <sys/stat.h>
50#include <sys/time.h>
51#include <sys/vnode.h>
52#include <sys/mount.h>
53
54#include <netinet/in.h>
55
56#include <err.h>
57
58#include <isofs/cd9660/cd9660_node.h>
59#define _KERNEL
60#include <isofs/cd9660/iso.h>
61#undef _KERNEL
62
63#include <kvm.h>
64#include <stdio.h>
65
66#include "libprocstat.h"
67#include "common_kvm.h"
68
69int
70isofs_filestat(kvm_t *kd, struct vnode *vp, struct vnstat *vn)
71{
72	struct iso_node isonode;
73	struct iso_mnt mnt;
74
75	if (!kvm_read_all(kd, (unsigned long)VTOI(vp), &isonode,
76	    sizeof(isonode))) {
77		warnx("can't read iso_node at %p",
78		    (void *)VTOI(vp));
79		return (1);
80	}
81	if (!kvm_read_all(kd, (unsigned long)isonode.i_mnt, &mnt,
82	    sizeof(mnt))) {
83		warnx("can't read iso_mnt at %p",
84		    (void *)VTOI(vp));
85		return (1);
86	}
87	vn->vn_fsid = dev2udev(kd, mnt.im_dev);
88	vn->vn_mode = (mode_t)isonode.inode.iso_mode;
89	vn->vn_fileid = isonode.i_number;
90	vn->vn_size = isonode.i_size;
91	return (0);
92}
93