xref: /freebsd/lib/libprocstat/cd9660.c (revision 2008043f386721d58158e37e0d7e50df8095942d)
1 /*
2  * SPDX-License-Identifier: BSD-4-Clause
3  *
4  * Copyright (c) 2000 Peter Edwards
5  * Copyright (c) 1988, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * This code is derived from software contributed to Berkeley by Peter Edwards
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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the University of
21  *	California, Berkeley and its contributors.
22  * 4. Neither the name of the University nor the names of its contributors
23  *    may be used to endorse or promote products derived from this software
24  *    without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36  * SUCH DAMAGE.
37  */
38 
39 /*
40  * XXX -
41  * This had to be separated from fstat.c because cd9660s has namespace
42  * conflicts with UFS.
43  */
44 
45 #include <sys/cdefs.h>
46 #include <sys/param.h>
47 #include <sys/stat.h>
48 #include <sys/time.h>
49 #include <sys/vnode.h>
50 #include <sys/mount.h>
51 
52 #include <netinet/in.h>
53 
54 #include <err.h>
55 
56 #define _KERNEL
57 #include <isofs/cd9660/iso.h>
58 #undef _KERNEL
59 #include <isofs/cd9660/cd9660_node.h>
60 
61 #include <kvm.h>
62 #include <stdio.h>
63 
64 #include "libprocstat.h"
65 #include "common_kvm.h"
66 
67 int
68 isofs_filestat(kvm_t *kd, struct vnode *vp, struct vnstat *vn)
69 {
70 	struct iso_node isonode;
71 	struct iso_mnt mnt;
72 
73 	if (!kvm_read_all(kd, (unsigned long)VTOI(vp), &isonode,
74 	    sizeof(isonode))) {
75 		warnx("can't read iso_node at %p",
76 		    (void *)VTOI(vp));
77 		return (1);
78 	}
79 	if (!kvm_read_all(kd, (unsigned long)isonode.i_mnt, &mnt,
80 	    sizeof(mnt))) {
81 		warnx("can't read iso_mnt at %p",
82 		    (void *)VTOI(vp));
83 		return (1);
84 	}
85 	vn->vn_fsid = dev2udev(kd, mnt.im_dev);
86 	vn->vn_mode = (mode_t)isonode.inode.iso_mode;
87 	vn->vn_fileid = isonode.i_number;
88 	vn->vn_size = isonode.i_size;
89 	return (0);
90 }
91