xref: /netbsd-src/sys/compat/common/kern_info_09.c (revision da5f4674a3fc214be3572d358b66af40ab9401e7)
1 /*	$NetBSD: kern_info_09.c,v 1.13 2003/08/07 16:30:35 agc Exp $	*/
2 
3 /*
4  * Copyright (c) 1982, 1986, 1991, 1993
5  *	The Regents of the University of California.  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  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  *	@(#)subr_xxx.c	8.1 (Berkeley) 6/10/93
32  */
33 
34 #include <sys/cdefs.h>
35 __KERNEL_RCSID(0, "$NetBSD: kern_info_09.c,v 1.13 2003/08/07 16:30:35 agc Exp $");
36 
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/filedesc.h>
40 #include <sys/kernel.h>
41 #include <sys/proc.h>
42 #include <sys/syslog.h>
43 #include <sys/unistd.h>
44 #include <uvm/uvm_extern.h>
45 #include <sys/sysctl.h>
46 
47 #include <sys/mount.h>
48 #include <sys/sa.h>
49 #include <sys/syscallargs.h>
50 
51 /* ARGSUSED */
52 int
53 compat_09_sys_getdomainname(struct lwp *l, void *v, register_t *retval)
54 {
55 	struct compat_09_sys_getdomainname_args /* {
56 		syscallarg(char *) domainname;
57 		syscallarg(int) len;
58 	} */ *uap = v;
59 	struct proc *p = l->l_proc;
60 	int name;
61 	size_t sz;
62 
63 	name = KERN_DOMAINNAME;
64 	sz = SCARG(uap,len);
65 	return (kern_sysctl(&name, 1, SCARG(uap, domainname), &sz, 0, 0, p));
66 }
67 
68 
69 /* ARGSUSED */
70 int
71 compat_09_sys_setdomainname(struct lwp *l, void *v, register_t *retval)
72 {
73 	struct compat_09_sys_setdomainname_args /* {
74 		syscallarg(char *) domainname;
75 		syscallarg(int) len;
76 	} */ *uap = v;
77 	struct proc *p = l->l_proc;
78 	int name;
79 	int error;
80 
81 	if ((error = suser(p->p_ucred, &p->p_acflag)) != 0)
82 		return (error);
83 	name = KERN_DOMAINNAME;
84 	return (kern_sysctl(&name, 1, 0, 0, SCARG(uap, domainname),
85 			    SCARG(uap, len), p));
86 }
87 
88 struct outsname {
89 	char	sysname[32];
90 	char	nodename[32];
91 	char	release[32];
92 	char	version[32];
93 	char	machine[32];
94 };
95 
96 /* ARGSUSED */
97 int
98 compat_09_sys_uname(struct lwp *l, void *v, register_t *retval)
99 {
100 	struct compat_09_sys_uname_args /* {
101 		syscallarg(struct outsname *) name;
102 	} */ *uap = v;
103 	struct outsname outsname;
104 	const char *cp;
105 	char *dp, *ep;
106 
107 	strncpy(outsname.sysname, ostype, sizeof(outsname.sysname));
108 	strncpy(outsname.nodename, hostname, sizeof(outsname.nodename));
109 	strncpy(outsname.release, osrelease, sizeof(outsname.release));
110 	dp = outsname.version;
111 	ep = &outsname.version[sizeof(outsname.version) - 1];
112 	for (cp = version; *cp && *cp != '('; cp++)
113 		;
114 	for (cp++; *cp && *cp != ')' && dp < ep; cp++)
115 		*dp++ = *cp;
116 	for (; *cp && *cp != '#'; cp++)
117 		;
118 	for (; *cp && *cp != ':' && dp < ep; cp++)
119 		*dp++ = *cp;
120 	*dp = '\0';
121 	strncpy(outsname.machine, MACHINE, sizeof(outsname.machine));
122 	return (copyout((caddr_t)&outsname, (caddr_t)SCARG(uap, name),
123 			sizeof(struct outsname)));
124 }
125