| 1 | |
| 2 | |
| 3 | *
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| 4 | * Copyright (C) 2008 Red Hat, Inc. All Rights Reserved.
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| 5 | * Written by David Howells ([email protected])
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| 6 |
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| 7 |
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| 8 | #include <linux/key.h>
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| 9 | #include <linux/sysctl.h>
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| 10 | #include "internal.h"
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| 11 |
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| 12 | static const struct ctl_table key_sysctls[] = {
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| 13 | {
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| 14 | .procname = "maxkeys",
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| 15 | .data = &key_quota_maxkeys,
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| 16 | .maxlen = sizeof(unsigned),
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| 17 | .mode = 0644,
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| 18 | .proc_handler = proc_dointvec_minmax,
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| 19 | .extra1 = (void *) SYSCTL_ONE,
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| 20 | .extra2 = (void *) SYSCTL_INT_MAX,
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| 21 | },
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| 22 | {
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| 23 | .procname = "maxbytes",
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| 24 | .data = &key_quota_maxbytes,
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| 25 | .maxlen = sizeof(unsigned),
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| 26 | .mode = 0644,
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| 27 | .proc_handler = proc_dointvec_minmax,
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| 28 | .extra1 = (void *) SYSCTL_ONE,
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| 29 | .extra2 = (void *) SYSCTL_INT_MAX,
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| 30 | },
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| 31 | {
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| 32 | .procname = "root_maxkeys",
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| 33 | .data = &key_quota_root_maxkeys,
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| 34 | .maxlen = sizeof(unsigned),
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| 35 | .mode = 0644,
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| 36 | .proc_handler = proc_dointvec_minmax,
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| 37 | .extra1 = (void *) SYSCTL_ONE,
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| 38 | .extra2 = (void *) SYSCTL_INT_MAX,
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| 39 | },
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| 40 | {
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| 41 | .procname = "root_maxbytes",
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| 42 | .data = &key_quota_root_maxbytes,
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| 43 | .maxlen = sizeof(unsigned),
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| 44 | .mode = 0644,
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| 45 | .proc_handler = proc_dointvec_minmax,
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| 46 | .extra1 = (void *) SYSCTL_ONE,
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| 47 | .extra2 = (void *) SYSCTL_INT_MAX,
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| 48 | },
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| 49 | {
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| 50 | .procname = "gc_delay",
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| 51 | .data = &key_gc_delay,
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| 52 | .maxlen = sizeof(unsigned),
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| 53 | .mode = 0644,
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| 54 | .proc_handler = proc_dointvec_minmax,
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| 55 | .extra1 = (void *) SYSCTL_ZERO,
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| 56 | .extra2 = (void *) SYSCTL_INT_MAX,
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| 57 | },
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| 58 | #ifdef CONFIG_PERSISTENT_KEYRINGS
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| 59 | {
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| 60 | .procname = "persistent_keyring_expiry",
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| 61 | .data = &persistent_keyring_expiry,
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| 62 | .maxlen = sizeof(unsigned),
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| 63 | .mode = 0644,
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| 64 | .proc_handler = proc_dointvec_minmax,
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| 65 | .extra1 = (void *) SYSCTL_ZERO,
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| 66 | .extra2 = (void *) SYSCTL_INT_MAX,
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| 67 | },
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| 68 | #endif
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| 69 | };
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| 70 |
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| 71 | static int __init init_security_keys_sysctls(void)
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| 72 | {
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| 73 | register_sysctl_init("kernel/keys", key_sysctls);
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| 74 | return 0;
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| 75 | }
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| 76 | early_initcall(init_security_keys_sysctls);
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