1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2005-2009 Stanislav Sedov <stas@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 #include <sys/cdefs.h> 29 #include <stdbool.h> 30 31 #include <sys/param.h> 32 #include <sys/stat.h> 33 #include <sys/time.h> 34 #include <sys/vnode.h> 35 #define _KERNEL 36 #include <sys/mount.h> 37 #undef _KERNEL 38 39 #include <netinet/in.h> 40 41 #include <assert.h> 42 #include <err.h> 43 #include <kvm.h> 44 #include <stdlib.h> 45 46 #include <fs/udf/ecma167-udf.h> 47 48 #include "libprocstat.h" 49 #include "common_kvm.h" 50 51 /* XXX */ 52 struct udf_mnt { 53 int im_flags; 54 struct mount *im_mountp; 55 struct g_consumer *im_cp; 56 struct bufobj *im_bo; 57 struct cdev *im_dev; 58 struct vnode *im_devvp; 59 int bsize; 60 int bshift; 61 int bmask; 62 uint32_t part_start; 63 uint32_t part_len; 64 uint64_t root_id; 65 struct long_ad root_icb; 66 int p_sectors; 67 int s_table_entries; 68 void *s_table; 69 void *im_d2l; 70 }; 71 struct udf_node { 72 struct vnode *i_vnode; 73 struct udf_mnt *udfmp; 74 ino_t hash_id; 75 long diroff; 76 struct file_entry *fentry; 77 }; 78 #define VTON(vp) ((struct udf_node *)((vp)->v_data)) 79 80 int 81 udf_filestat(kvm_t *kd, struct vnode *vp, struct vnstat *vn) 82 { 83 struct udf_node node; 84 struct udf_mnt mnt; 85 int error; 86 87 assert(kd); 88 assert(vn); 89 error = kvm_read_all(kd, (unsigned long)VTON(vp), &node, sizeof(node)); 90 if (error != 0) { 91 warnx("can't read udf fnode at %p", (void *)VTON(vp)); 92 return (1); 93 } 94 error = kvm_read_all(kd, (unsigned long)node.udfmp, &mnt, sizeof(mnt)); 95 if (error != 0) { 96 warnx("can't read udf_mnt at %p for vnode %p", 97 (void *)node.udfmp, vp); 98 return (1); 99 } 100 vn->vn_fileid = node.hash_id; 101 vn->vn_fsid = dev2udev(kd, mnt.im_dev); 102 return (0); 103 } 104