1*1654dd6fSguenther /* $OpenBSD: uname.c,v 1.11 2016/08/27 03:55:43 guenther Exp $ */
2df930be7Sderaadt /*-
3df930be7Sderaadt * Copyright (c) 1994
4df930be7Sderaadt * The Regents of the University of California. All rights reserved.
5df930be7Sderaadt *
6df930be7Sderaadt * Redistribution and use in source and binary forms, with or without
7df930be7Sderaadt * modification, are permitted provided that the following conditions
8df930be7Sderaadt * are met:
9df930be7Sderaadt * 1. Redistributions of source code must retain the above copyright
10df930be7Sderaadt * notice, this list of conditions and the following disclaimer.
11df930be7Sderaadt * 2. Redistributions in binary form must reproduce the above copyright
12df930be7Sderaadt * notice, this list of conditions and the following disclaimer in the
13df930be7Sderaadt * documentation and/or other materials provided with the distribution.
146580fee3Smillert * 3. Neither the name of the University nor the names of its contributors
15df930be7Sderaadt * may be used to endorse or promote products derived from this software
16df930be7Sderaadt * without specific prior written permission.
17df930be7Sderaadt *
18df930be7Sderaadt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19df930be7Sderaadt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20df930be7Sderaadt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21df930be7Sderaadt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22df930be7Sderaadt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23df930be7Sderaadt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24df930be7Sderaadt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25df930be7Sderaadt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26df930be7Sderaadt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27df930be7Sderaadt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28df930be7Sderaadt * SUCH DAMAGE.
29df930be7Sderaadt */
30df930be7Sderaadt
31aea60beeSderaadt #include <sys/types.h>
32df930be7Sderaadt #include <sys/sysctl.h>
33df930be7Sderaadt #include <sys/utsname.h>
34*1654dd6fSguenther #include <stdio.h> /* for NULL */
35df930be7Sderaadt
36585a69dbSkurt /* A slightly modified copy of this file exists in libexec/ld.so */
37585a69dbSkurt
38df930be7Sderaadt int
uname(struct utsname * name)3973b3e3c4Sjfb uname(struct utsname *name)
40df930be7Sderaadt {
41df930be7Sderaadt int mib[2], rval;
42df930be7Sderaadt size_t len;
43df930be7Sderaadt
44df930be7Sderaadt rval = 0;
45df930be7Sderaadt
46df930be7Sderaadt mib[0] = CTL_KERN;
47df930be7Sderaadt mib[1] = KERN_OSTYPE;
48df930be7Sderaadt len = sizeof(name->sysname);
49df930be7Sderaadt if (sysctl(mib, 2, &name->sysname, &len, NULL, 0) == -1)
50df930be7Sderaadt rval = -1;
51df930be7Sderaadt
52df930be7Sderaadt mib[0] = CTL_KERN;
53df930be7Sderaadt mib[1] = KERN_HOSTNAME;
54df930be7Sderaadt len = sizeof(name->nodename);
55df930be7Sderaadt if (sysctl(mib, 2, &name->nodename, &len, NULL, 0) == -1)
56df930be7Sderaadt rval = -1;
57df930be7Sderaadt
58df930be7Sderaadt mib[0] = CTL_KERN;
59df930be7Sderaadt mib[1] = KERN_OSRELEASE;
60df930be7Sderaadt len = sizeof(name->release);
61df930be7Sderaadt if (sysctl(mib, 2, &name->release, &len, NULL, 0) == -1)
62df930be7Sderaadt rval = -1;
63df930be7Sderaadt
64df930be7Sderaadt mib[0] = CTL_KERN;
6540859d54Stholo mib[1] = KERN_OSVERSION;
66df930be7Sderaadt len = sizeof(name->version);
673a41c0f1Stholo if (sysctl(mib, 2, &name->version, &len, NULL, 0) == -1) {
683a41c0f1Stholo mib[0] = CTL_KERN;
693a41c0f1Stholo mib[1] = KERN_VERSION;
703a41c0f1Stholo len = sizeof(name->version);
71df930be7Sderaadt if (sysctl(mib, 2, &name->version, &len, NULL, 0) == -1)
72df930be7Sderaadt rval = -1;
733a41c0f1Stholo }
74df930be7Sderaadt
75df930be7Sderaadt mib[0] = CTL_HW;
76df930be7Sderaadt mib[1] = HW_MACHINE;
77df930be7Sderaadt len = sizeof(name->machine);
78df930be7Sderaadt if (sysctl(mib, 2, &name->machine, &len, NULL, 0) == -1)
79df930be7Sderaadt rval = -1;
80df930be7Sderaadt return (rval);
81df930be7Sderaadt }
82