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/smbfs/smbfs.h> 47 #include <fs/smbfs/smbfs_node.h> 48 49 #include "libprocstat.h" 50 #include "common_kvm.h" 51 52 int 53 smbfs_filestat(kvm_t *kd, struct vnode *vp, struct vnstat *vn) 54 { 55 struct smbnode node; 56 struct mount mnt; 57 int error; 58 59 assert(kd); 60 assert(vn); 61 error = kvm_read_all(kd, (unsigned long)VTOSMB(vp), &node, 62 sizeof(node)); 63 if (error != 0) { 64 warnx("can't read smbfs fnode at %p", (void *)VTOSMB(vp)); 65 return (1); 66 } 67 error = kvm_read_all(kd, (unsigned long)getvnodemount(vp), &mnt, 68 sizeof(mnt)); 69 if (error != 0) { 70 warnx("can't read mount at %p for vnode %p", 71 (void *)getvnodemount(vp), vp); 72 return (1); 73 } 74 vn->vn_fileid = node.n_ino; 75 if (vn->vn_fileid == 0) 76 vn->vn_fileid = 2; 77 vn->vn_fsid = mnt.mnt_stat.f_fsid.val[0]; 78 return (0); 79 } 80