1 /* $OpenBSD: kvm_ntfs.c,v 1.5 2016/10/02 23:11:55 guenther 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/param.h> 33 #include <sys/ucred.h> 34 #define _KERNEL 35 #include <sys/mount.h> 36 #undef _KERNEL 37 #include <sys/vnode.h> 38 #include <sys/sysctl.h> 39 40 #include <ntfs/ntfs.h> 41 #include <ntfs/ntfs_inode.h> 42 43 #include <limits.h> 44 #include <kvm.h> 45 #include <db.h> 46 47 #include "kvm_private.h" 48 #include "kvm_file.h" 49 50 int 51 _kvm_stat_ntfs(kvm_t *kd, struct kinfo_file *kf, struct vnode *vp) 52 { 53 struct ntnode ntnode; 54 struct fnode fn; 55 struct ntfsmount ntm; 56 57 /* 58 * To get the ntnode, we have to go in two steps - firstly 59 * to read appropriate struct fnode and then getting the address 60 * of ntnode and reading it's contents 61 */ 62 if (KREAD(kd, (u_long)VTOF(vp), &fn)) { 63 _kvm_err(kd, kd->program, "can't read fnode at %p", VTOF(vp)); 64 return (-1); 65 } 66 if (KREAD(kd, (u_long)FTONT(&fn), &ntnode)) { 67 _kvm_err(kd, kd->program, "can't read ntnode at %p", FTONT(&fn)); 68 return (-1); 69 } 70 if (KREAD(kd, (u_long)ntnode.i_mp, &ntm)) { 71 _kvm_err(kd, kd->program, "can't read ntfsmount at %p", 72 ntnode.i_mp); 73 return (-1); 74 } 75 76 kf->va_fsid = ntnode.i_dev & 0xffff; 77 kf->va_fileid = (long)ntnode.i_number; 78 kf->va_mode = (mode_t)ntm.ntm_mode | _kvm_getftype(vp->v_type); 79 kf->va_size = fn.f_size; 80 kf->va_rdev = 0; /* XXX */ 81 kf->va_nlink = 1; 82 83 return (0); 84 } 85