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