1 /* $NetBSD: ntfs.c,v 1.13 2014/10/18 08:33:30 snj Exp $ */
2
3 /*-
4 * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jaromir Dolecek.
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 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __RCSID("$NetBSD: ntfs.c,v 1.13 2014/10/18 08:33:30 snj Exp $");
34
35 #include <sys/param.h>
36 #include <sys/time.h>
37 #include <sys/proc.h>
38 #include <sys/stat.h>
39 #include <sys/vnode.h>
40 #include <sys/mount.h>
41
42 #include <ntfs/ntfs.h>
43 #undef dprintf
44 #include <ntfs/ntfs_inode.h>
45
46 #include <err.h>
47 #include <kvm.h>
48 #include "fstat.h"
49
50 int
ntfs_filestat(struct vnode * vp,struct filestat * fsp)51 ntfs_filestat(struct vnode *vp, struct filestat *fsp)
52 {
53 struct ntnode ntnode;
54 struct fnode fn;
55 struct ntfsmount ntm;
56
57 /* to get the ntnode, we have to go in two steps - firstly
58 * to read appropriate struct fnode and then getting the address
59 * of ntnode and reading its contents */
60 if (!KVM_READ(VTOF(vp), &fn, sizeof (fn))) {
61 dprintf("can't read fnode at %p for pid %d", VTOF(vp), Pid);
62 return 0;
63 }
64 if (!KVM_READ(FTONT(&fn), &ntnode, sizeof (ntnode))) {
65 dprintf("can't read ntnode at %p for pid %d", FTONT(&fn), Pid);
66 return 0;
67 }
68 if (!KVM_READ(ntnode.i_mp, &ntm, sizeof (ntm))) {
69 dprintf("can't read ntfsmount at %p for pid %d",
70 FTONT(&fn), Pid);
71 return 0;
72 }
73
74 fsp->fsid = ntnode.i_dev & 0xffff;
75 fsp->fileid = ntnode.i_number;
76 fsp->mode = (mode_t)ntm.ntm_mode | getftype(vp->v_type);
77 fsp->size = fn.f_size;
78 fsp->rdev = 0; /* XXX */
79 return 1;
80 }
81