cd9660.c revision 221807 
1/*
2 * Copyright (c) 2000 Peter Edwards
3 * Copyright (c) 1988, 1993
4 *	The Regents of the University of California.  All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by Peter Edwards
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *	This product includes software developed by the University of
19 *	California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 *    may be used to endorse or promote products derived from this software
22 *    without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37/*
38 * XXX -
39 * This had to be separated from fstat.c because cd9660s has namespace
40 * conflicts with UFS.
41 */
42
43#include <sys/cdefs.h>
44__FBSDID("$FreeBSD: head/lib/libprocstat/cd9660.c 221807 2011-05-12 10:11:39Z stas $");
45
46#include <sys/param.h>
47#include <sys/stat.h>
48#include <sys/time.h>
49#include <sys/vnode.h>
50#include <sys/mount.h>
51
52#include <netinet/in.h>
53
54#include <err.h>
55
56#include <isofs/cd9660/cd9660_node.h>
57#define _KERNEL
58#include <isofs/cd9660/iso.h>
59#undef _KERNEL
60
61#include <kvm.h>
62#include <stdio.h>
63
64#include "libprocstat.h"
65#include "common_kvm.h"
66
67int
68isofs_filestat(kvm_t *kd, struct vnode *vp, struct vnstat *vn)
69{
70	struct iso_node isonode;
71	struct iso_mnt mnt;
72
73	if (!kvm_read_all(kd, (unsigned long)VTOI(vp), &isonode,
74	    sizeof(isonode))) {
75		warnx("can't read iso_node at %p",
76		    (void *)VTOI(vp));
77		return (1);
78	}
79	if (!kvm_read_all(kd, (unsigned long)isonode.i_mnt, &mnt,
80	    sizeof(mnt))) {
81		warnx("can't read iso_mnt at %p",
82		    (void *)VTOI(vp));
83		return (1);
84	}
85	vn->vn_fsid = dev2udev(kd, mnt.im_dev);
86	vn->vn_mode = (mode_t)isonode.inode.iso_mode;
87	vn->vn_fileid = (long)isonode.i_number;
88	vn->vn_size = (u_long)isonode.i_size;
89	return (0);
90}
91