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/* $OpenBSD: kvm_ntfs.c,v 1.6 2021/09/10 00:02:43 deraadt Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jaromir Dolecek.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/types.h>
#include <sys/time.h>
#include <sys/ucred.h>
#define _KERNEL
#include <sys/mount.h>
#undef _KERNEL
#include <sys/vnode.h>
#include <sys/sysctl.h>
#include <ntfs/ntfs.h>
#include <ntfs/ntfs_inode.h>
#include <limits.h>
#include <kvm.h>
#include <db.h>
#include "kvm_private.h"
#include "kvm_file.h"
int
_kvm_stat_ntfs(kvm_t *kd, struct kinfo_file *kf, struct vnode *vp)
{
struct ntnode ntnode;
struct fnode fn;
struct ntfsmount ntm;
/*
* To get the ntnode, we have to go in two steps - firstly
* to read appropriate struct fnode and then getting the address
* of ntnode and reading it's contents
*/
if (KREAD(kd, (u_long)VTOF(vp), &fn)) {
_kvm_err(kd, kd->program, "can't read fnode at %p", VTOF(vp));
return (-1);
}
if (KREAD(kd, (u_long)FTONT(&fn), &ntnode)) {
_kvm_err(kd, kd->program, "can't read ntnode at %p", FTONT(&fn));
return (-1);
}
if (KREAD(kd, (u_long)ntnode.i_mp, &ntm)) {
_kvm_err(kd, kd->program, "can't read ntfsmount at %p",
ntnode.i_mp);
return (-1);
}
kf->va_fsid = ntnode.i_dev & 0xffff;
kf->va_fileid = (long)ntnode.i_number;
kf->va_mode = (mode_t)ntm.ntm_mode | _kvm_getftype(vp->v_type);
kf->va_size = fn.f_size;
kf->va_rdev = 0; /* XXX */
kf->va_nlink = 1;
return (0);
}
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