// 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);