xref: /openbsd-src/lib/libkvm/kvm_cd9660.c (revision 898184e3e61f9129feb5978fad5a8c6865f00b92)
1 /*	$OpenBSD: kvm_cd9660.c,v 1.3 2009/10/27 23:59:28 deraadt Exp $	*/
2 
3 /*
4  * Copyright (c) 2009 Todd C. Miller <Todd.Miller@courtesan.com>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #include <sys/param.h>
20 #include <sys/ucred.h>
21 #define _KERNEL
22 #include <sys/mount.h>
23 #undef _KERNEL
24 #include <sys/vnode.h>
25 #include <sys/sysctl.h>
26 
27 #include <isofs/cd9660/iso.h>
28 #include <isofs/cd9660/cd9660_extern.h>
29 #include <isofs/cd9660/cd9660_node.h>
30 
31 #include <limits.h>
32 #include <kvm.h>
33 #include <db.h>
34 
35 #include "kvm_private.h"
36 
37 int
38 _kvm_stat_cd9660(kvm_t *kd, struct kinfo_file2 *kf, struct vnode *vp)
39 {
40 	struct iso_node inode;
41 
42 	if (KREAD(kd, (u_long)VTOI(vp), &inode)) {
43 		_kvm_err(kd, kd->program, "can't read inode at %p", VTOI(vp));
44 		return (-1);
45 	}
46 	kf->va_fsid = inode.i_dev & 0xffff;
47 	kf->va_fileid = (long)inode.i_number;
48 	kf->va_mode = inode.inode.iso_mode;
49 	kf->va_size = inode.i_size;
50 	kf->va_rdev = inode.i_dev;
51 
52 	return (0);
53 }
54