1/*-
2 * Copyright (c) 2001 Marcel Moolenaar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer
10 * in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
| 1/*-
2 * Copyright (c) 2001 Marcel Moolenaar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer
10 * in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
|
28 * $FreeBSD: head/sys/compat/linux/linux_sysctl.c 102814 2002-09-01 22:30:27Z iedowse $
| 28 * $FreeBSD: head/sys/compat/linux/linux_sysctl.c 102954 2002-09-05 08:13:20Z bde $
|
29 */
30
| 29 */
30
|
31#include "opt_compat.h"
32
| |
33#include <sys/param.h>
| 31#include <sys/param.h>
|
| 32#include <sys/malloc.h>
|
34#include <sys/systm.h>
| 33#include <sys/systm.h>
|
35#include <sys/proc.h>
36#include <sys/sysproto.h>
| |
37
38#include <machine/../linux/linux.h>
39#include <machine/../linux/linux_proto.h>
| 34
35#include <machine/../linux/linux.h>
36#include <machine/../linux/linux_proto.h>
|
40#include <compat/linux/linux_util.h>
| |
41
42#define LINUX_CTL_KERN 1
43#define LINUX_CTL_VM 2
44#define LINUX_CTL_NET 3
45#define LINUX_CTL_PROC 4
46#define LINUX_CTL_FS 5
47#define LINUX_CTL_DEBUG 6
48#define LINUX_CTL_DEV 7
49#define LINUX_CTL_BUS 8
50
51/* CTL_KERN names */
52#define LINUX_KERN_OSTYPE 1
53#define LINUX_KERN_OSRELEASE 2
54#define LINUX_KERN_OSREV 3
55#define LINUX_KERN_VERSION 4
56
57static int
58handle_string(struct l___sysctl_args *la, char *value)
59{
60 int error;
61
62 if (la->oldval != NULL) {
63 l_int len = strlen(value);
64 error = copyout(value, la->oldval, len + 1);
65 if (!error && la->oldlenp != NULL)
66 error = copyout(&len, la->oldlenp, sizeof(len));
67 if (error)
68 return (error);
69 }
70
71 if (la->newval != NULL)
72 return (ENOTDIR);
73
74 return (0);
75}
76
77int
78linux_sysctl(struct thread *td, struct linux_sysctl_args *args)
79{
80 struct l___sysctl_args la;
81 l_int *mib;
82 int error, i;
83
84 error = copyin((caddr_t)args->args, &la, sizeof(la));
85 if (error)
86 return (error);
87
88 if (la.nlen <= 0 || la.nlen > LINUX_CTL_MAXNAME)
89 return (ENOTDIR);
90
91 mib = malloc(la.nlen * sizeof(l_int), M_TEMP, M_WAITOK);
92 error = copyin(la.name, mib, la.nlen * sizeof(l_int));
93 if (error) {
94 free(mib, M_TEMP);
95 return (error);
96 }
97
98 switch (mib[0]) {
99 case LINUX_CTL_KERN:
100 if (la.nlen < 2)
101 break;
102
103 switch (mib[1]) {
104 case LINUX_KERN_VERSION:
105 error = handle_string(&la, version);
106 free(mib, M_TEMP);
107 return (error);
108 default:
109 break;
110 }
111 break;
112 default:
113 break;
114 }
115
116 printf("linux: sysctl: unhandled name=");
117 for (i = 0; i < la.nlen; i++)
118 printf("%c%d", (i) ? ',' : '{', mib[i]);
119 printf("}\n");
120
121 free(mib, M_TEMP);
122 return (ENOTDIR);
123}
| 37
38#define LINUX_CTL_KERN 1
39#define LINUX_CTL_VM 2
40#define LINUX_CTL_NET 3
41#define LINUX_CTL_PROC 4
42#define LINUX_CTL_FS 5
43#define LINUX_CTL_DEBUG 6
44#define LINUX_CTL_DEV 7
45#define LINUX_CTL_BUS 8
46
47/* CTL_KERN names */
48#define LINUX_KERN_OSTYPE 1
49#define LINUX_KERN_OSRELEASE 2
50#define LINUX_KERN_OSREV 3
51#define LINUX_KERN_VERSION 4
52
53static int
54handle_string(struct l___sysctl_args *la, char *value)
55{
56 int error;
57
58 if (la->oldval != NULL) {
59 l_int len = strlen(value);
60 error = copyout(value, la->oldval, len + 1);
61 if (!error && la->oldlenp != NULL)
62 error = copyout(&len, la->oldlenp, sizeof(len));
63 if (error)
64 return (error);
65 }
66
67 if (la->newval != NULL)
68 return (ENOTDIR);
69
70 return (0);
71}
72
73int
74linux_sysctl(struct thread *td, struct linux_sysctl_args *args)
75{
76 struct l___sysctl_args la;
77 l_int *mib;
78 int error, i;
79
80 error = copyin((caddr_t)args->args, &la, sizeof(la));
81 if (error)
82 return (error);
83
84 if (la.nlen <= 0 || la.nlen > LINUX_CTL_MAXNAME)
85 return (ENOTDIR);
86
87 mib = malloc(la.nlen * sizeof(l_int), M_TEMP, M_WAITOK);
88 error = copyin(la.name, mib, la.nlen * sizeof(l_int));
89 if (error) {
90 free(mib, M_TEMP);
91 return (error);
92 }
93
94 switch (mib[0]) {
95 case LINUX_CTL_KERN:
96 if (la.nlen < 2)
97 break;
98
99 switch (mib[1]) {
100 case LINUX_KERN_VERSION:
101 error = handle_string(&la, version);
102 free(mib, M_TEMP);
103 return (error);
104 default:
105 break;
106 }
107 break;
108 default:
109 break;
110 }
111
112 printf("linux: sysctl: unhandled name=");
113 for (i = 0; i < la.nlen; i++)
114 printf("%c%d", (i) ? ',' : '{', mib[i]);
115 printf("}\n");
116
117 free(mib, M_TEMP);
118 return (ENOTDIR);
119}
|