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 */
52 struct 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 };
71 struct 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
80 int
udf_filestat(kvm_t * kd,struct vnode * vp,struct vnstat * vn)81 udf_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