IABSD.fr/src/lib/libkvm/kvm_ntfs.c

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• Author : deraadt
  Date : 2021-09-10 00:02:43
  Hash : 0b082c0e
  Message : annotate what symbols are used from sys/param.h lines, or delete them if not required. when deleting, add sys/signal.h or other lines which were not being pulled in

• lib/libkvm/kvm_ntfs.c

• /*	$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);
  }