1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2005-2009 Stanislav Sedov <stas@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28#include <sys/cdefs.h>
29#include <stdbool.h>
30
31#include <sys/param.h>
32#include <sys/stat.h>
33#include <sys/time.h>
34#include <sys/vnode.h>
35#define _KERNEL
36#include <sys/mount.h>
37#undef _KERNEL
38
39#include <netinet/in.h>
40
41#include <assert.h>
42#include <err.h>
43#include <kvm.h>
44#include <stdlib.h>
45
46#include <fs/udf/ecma167-udf.h>
47
48#include "libprocstat.h"
49#include "common_kvm.h"
50
51/* XXX */
52struct udf_mnt {
53	int			im_flags;
54	struct mount		*im_mountp;
55	struct g_consumer	*im_cp;
56	struct bufobj		*im_bo;
57	struct cdev		*im_dev;
58	struct vnode		*im_devvp;
59	int			bsize;
60	int			bshift;
61	int			bmask;
62	uint32_t		part_start;
63	uint32_t		part_len;
64	uint64_t		root_id;
65	struct long_ad		root_icb;
66	int			p_sectors;
67	int			s_table_entries;
68	void			*s_table;
69	void			*im_d2l;
70};
71struct udf_node {
72	struct vnode	*i_vnode;
73	struct udf_mnt	*udfmp;
74	ino_t		hash_id;
75	long		diroff;
76	struct file_entry *fentry;
77};
78#define VTON(vp)	((struct udf_node *)((vp)->v_data))
79
80int
81udf_filestat(kvm_t *kd, struct vnode *vp, struct vnstat *vn)
82{
83	struct udf_node node;
84	struct udf_mnt mnt;
85	int error;
86
87	assert(kd);
88	assert(vn);
89	error = kvm_read_all(kd, (unsigned long)VTON(vp), &node, sizeof(node));
90	if (error != 0) {
91		warnx("can't read udf fnode at %p", (void *)VTON(vp));
92		return (1);
93	}
94        error = kvm_read_all(kd, (unsigned long)node.udfmp, &mnt, sizeof(mnt));
95        if (error != 0) {
96                warnx("can't read udf_mnt at %p for vnode %p",
97                    (void *)node.udfmp, vp);
98                return (1);
99        }
100	vn->vn_fileid = node.hash_id;
101	vn->vn_fsid = dev2udev(kd, mnt.im_dev);
102	return (0);
103}
104