78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
// 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 struct ctl_table key_sysctls[] = {
|
|
{
|
|
.procname = "maxkeys",
|
|
.data = &key_quota_maxkeys,
|
|
.maxlen = sizeof(unsigned),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = (void *) SYSCTL_ONE,
|
|
.extra2 = (void *) SYSCTL_INT_MAX,
|
|
},
|
|
{
|
|
.procname = "maxbytes",
|
|
.data = &key_quota_maxbytes,
|
|
.maxlen = sizeof(unsigned),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = (void *) SYSCTL_ONE,
|
|
.extra2 = (void *) SYSCTL_INT_MAX,
|
|
},
|
|
{
|
|
.procname = "root_maxkeys",
|
|
.data = &key_quota_root_maxkeys,
|
|
.maxlen = sizeof(unsigned),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = (void *) SYSCTL_ONE,
|
|
.extra2 = (void *) SYSCTL_INT_MAX,
|
|
},
|
|
{
|
|
.procname = "root_maxbytes",
|
|
.data = &key_quota_root_maxbytes,
|
|
.maxlen = sizeof(unsigned),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = (void *) SYSCTL_ONE,
|
|
.extra2 = (void *) SYSCTL_INT_MAX,
|
|
},
|
|
{
|
|
.procname = "gc_delay",
|
|
.data = &key_gc_delay,
|
|
.maxlen = sizeof(unsigned),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = (void *) SYSCTL_ZERO,
|
|
.extra2 = (void *) SYSCTL_INT_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 *) SYSCTL_ZERO,
|
|
.extra2 = (void *) SYSCTL_INT_MAX,
|
|
},
|
|
#endif
|
|
{ }
|
|
};
|
|
|
|
static int __init init_security_keys_sysctls(void)
|
|
{
|
|
register_sysctl_init("kernel/keys", key_sysctls);
|
|
return 0;
|
|
}
|
|
early_initcall(init_security_keys_sysctls);
|