summaryrefslogtreecommitdiffstats
path: root/security/keys/sysctl.c
blob: dd1e21fab827a51fd66a7363e9463f5c197aeaa0 (plain)
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
// SPDX-License-Identifier: GPL-2.0-or-later
/* Key management controls
 *
 * Copyright (C) 2008 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 */

#include <linux/key.h>
#include <linux/sysctl.h>
#include "internal.h"

static const int zero, one = 1, max = INT_MAX;

struct ctl_table key_sysctls[] = {
	{
		.procname = "maxkeys",
		.data = &key_quota_maxkeys,
		.maxlen = sizeof(unsigned),
		.mode = 0644,
		.proc_handler = proc_dointvec_minmax,
		.extra1 = (void *) &one,
		.extra2 = (void *) &max,
	},
	{
		.procname = "maxbytes",
		.data = &key_quota_maxbytes,
		.maxlen = sizeof(unsigned),
		.mode = 0644,
		.proc_handler = proc_dointvec_minmax,
		.extra1 = (void *) &one,
		.extra2 = (void *) &max,
	},
	{
		.procname = "root_maxkeys",
		.data = &key_quota_root_maxkeys,
		.maxlen = sizeof(unsigned),
		.mode = 0644,
		.proc_handler = proc_dointvec_minmax,
		.extra1 = (void *) &one,
		.extra2 = (void *) &max,
	},
	{
		.procname = "root_maxbytes",
		.data = &key_quota_root_maxbytes,
		.maxlen = sizeof(unsigned),
		.mode = 0644,
		.proc_handler = proc_dointvec_minmax,
		.extra1 = (void *) &one,
		.extra2 = (void *) &max,
	},
	{
		.procname = "gc_delay",
		.data = &key_gc_delay,
		.maxlen = sizeof(unsigned),
		.mode = 0644,
		.proc_handler = proc_dointvec_minmax,
		.extra1 = (void *) &zero,
		.extra2 = (void *) &max,
	},
#ifdef CONFIG_PERSISTENT_KEYRINGS
	{
		.procname = "persistent_keyring_expiry",
		.data = &persistent_keyring_expiry,
		.maxlen = sizeof(unsigned),
		.mode = 0644,
		.proc_handler = proc_dointvec_minmax,
		.extra1 = (void *) &zero,
		.extra2 = (void *) &max,
	},
#endif
	{ }
};