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David Howells0b77f5b2008-04-29 01:01:32 -07001/* Key management controls
2 *
3 * Copyright (C) 2008 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public Licence
8 * as published by the Free Software Foundation; either version
9 * 2 of the Licence, or (at your option) any later version.
10 */
11
12#include <linux/key.h>
13#include <linux/sysctl.h>
14#include "internal.h"
15
David Howells5d135442009-09-02 09:14:00 +010016static const int zero, one = 1, max = INT_MAX;
17
Joe Perchesfab71a92014-04-13 18:55:51 -070018struct ctl_table key_sysctls[] = {
David Howells0b77f5b2008-04-29 01:01:32 -070019 {
David Howells0b77f5b2008-04-29 01:01:32 -070020 .procname = "maxkeys",
21 .data = &key_quota_maxkeys,
22 .maxlen = sizeof(unsigned),
23 .mode = 0644,
Eric W. Biederman6d456112009-11-16 03:11:48 -080024 .proc_handler = proc_dointvec_minmax,
David Howells5d135442009-09-02 09:14:00 +010025 .extra1 = (void *) &one,
26 .extra2 = (void *) &max,
David Howells0b77f5b2008-04-29 01:01:32 -070027 },
28 {
David Howells0b77f5b2008-04-29 01:01:32 -070029 .procname = "maxbytes",
30 .data = &key_quota_maxbytes,
31 .maxlen = sizeof(unsigned),
32 .mode = 0644,
Eric W. Biederman6d456112009-11-16 03:11:48 -080033 .proc_handler = proc_dointvec_minmax,
David Howells5d135442009-09-02 09:14:00 +010034 .extra1 = (void *) &one,
35 .extra2 = (void *) &max,
David Howells0b77f5b2008-04-29 01:01:32 -070036 },
37 {
David Howells0b77f5b2008-04-29 01:01:32 -070038 .procname = "root_maxkeys",
39 .data = &key_quota_root_maxkeys,
40 .maxlen = sizeof(unsigned),
41 .mode = 0644,
Eric W. Biederman6d456112009-11-16 03:11:48 -080042 .proc_handler = proc_dointvec_minmax,
David Howells5d135442009-09-02 09:14:00 +010043 .extra1 = (void *) &one,
44 .extra2 = (void *) &max,
David Howells0b77f5b2008-04-29 01:01:32 -070045 },
46 {
David Howells0b77f5b2008-04-29 01:01:32 -070047 .procname = "root_maxbytes",
48 .data = &key_quota_root_maxbytes,
49 .maxlen = sizeof(unsigned),
50 .mode = 0644,
Eric W. Biederman6d456112009-11-16 03:11:48 -080051 .proc_handler = proc_dointvec_minmax,
David Howells5d135442009-09-02 09:14:00 +010052 .extra1 = (void *) &one,
53 .extra2 = (void *) &max,
54 },
55 {
David Howells5d135442009-09-02 09:14:00 +010056 .procname = "gc_delay",
57 .data = &key_gc_delay,
58 .maxlen = sizeof(unsigned),
59 .mode = 0644,
Eric W. Biederman6d456112009-11-16 03:11:48 -080060 .proc_handler = proc_dointvec_minmax,
David Howells5d135442009-09-02 09:14:00 +010061 .extra1 = (void *) &zero,
62 .extra2 = (void *) &max,
David Howells0b77f5b2008-04-29 01:01:32 -070063 },
David Howellsf36f8c72013-09-24 10:35:19 +010064#ifdef CONFIG_PERSISTENT_KEYRINGS
65 {
66 .procname = "persistent_keyring_expiry",
67 .data = &persistent_keyring_expiry,
68 .maxlen = sizeof(unsigned),
69 .mode = 0644,
70 .proc_handler = proc_dointvec_minmax,
71 .extra1 = (void *) &zero,
72 .extra2 = (void *) &max,
73 },
74#endif
Eric W. Biederman5cdb3552009-04-03 05:08:03 -070075 { }
David Howells0b77f5b2008-04-29 01:01:32 -070076};