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