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/smbfs/smbfs.h>
47#include <fs/smbfs/smbfs_node.h>
48
49#include "libprocstat.h"
50#include "common_kvm.h"
51
52int
53smbfs_filestat(kvm_t *kd, struct vnode *vp, struct vnstat *vn)
54{
55	struct smbnode node;
56	struct mount mnt;
57	int error;
58
59	assert(kd);
60	assert(vn);
61	error = kvm_read_all(kd, (unsigned long)VTOSMB(vp), &node,
62	    sizeof(node));
63	if (error != 0) {
64		warnx("can't read smbfs fnode at %p", (void *)VTOSMB(vp));
65		return (1);
66	}
67        error = kvm_read_all(kd, (unsigned long)getvnodemount(vp), &mnt,
68	    sizeof(mnt));
69        if (error != 0) {
70                warnx("can't read mount at %p for vnode %p",
71                    (void *)getvnodemount(vp), vp);
72                return (1);
73        }
74	vn->vn_fileid = node.n_ino;
75	if (vn->vn_fileid == 0)
76		vn->vn_fileid = 2;
77	vn->vn_fsid = mnt.mnt_stat.f_fsid.val[0];
78	return (0);
79}
80