| 1 | |
| 2 | *
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| 3 | * Copyright (C) 2008 Red Hat, Inc. All Rights Reserved.
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| 4 | * Written by David Howells ([email protected])
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| 5 | *
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| 6 | * This program is free software; you can redistribute it and/or
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| 7 | * modify it under the terms of the GNU General Public Licence
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| 8 | * as published by the Free Software Foundation; either version
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| 9 | * 2 of the Licence, or (at your option) any later version.
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| 10 |
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| 11 |
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| 12 | #include <linux/key.h>
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| 13 | #include <linux/sysctl.h>
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| 14 | #include "internal.h"
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| 15 |
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| 16 | static const int zero, one = 1, max = INT_MAX;
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| 17 |
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| 18 | ctl_table key_sysctls[] = {
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| 19 | {
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| 20 | .procname = "maxkeys",
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| 21 | .data = &key_quota_maxkeys,
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| 22 | .maxlen = sizeof(unsigned),
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| 23 | .mode = 0644,
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| 24 | .proc_handler = proc_dointvec_minmax,
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| 25 | .extra1 = (void *) &one,
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| 26 | .extra2 = (void *) &max,
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| 27 | },
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| 28 | {
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| 29 | .procname = "maxbytes",
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| 30 | .data = &key_quota_maxbytes,
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| 31 | .maxlen = sizeof(unsigned),
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| 32 | .mode = 0644,
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| 33 | .proc_handler = proc_dointvec_minmax,
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| 34 | .extra1 = (void *) &one,
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| 35 | .extra2 = (void *) &max,
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| 36 | },
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| 37 | {
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| 38 | .procname = "root_maxkeys",
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| 39 | .data = &key_quota_root_maxkeys,
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| 40 | .maxlen = sizeof(unsigned),
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| 41 | .mode = 0644,
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| 42 | .proc_handler = proc_dointvec_minmax,
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| 43 | .extra1 = (void *) &one,
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| 44 | .extra2 = (void *) &max,
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| 45 | },
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| 46 | {
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| 47 | .procname = "root_maxbytes",
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| 48 | .data = &key_quota_root_maxbytes,
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| 49 | .maxlen = sizeof(unsigned),
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| 50 | .mode = 0644,
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| 51 | .proc_handler = proc_dointvec_minmax,
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| 52 | .extra1 = (void *) &one,
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| 53 | .extra2 = (void *) &max,
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| 54 | },
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| 55 | {
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| 56 | .procname = "gc_delay",
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| 57 | .data = &key_gc_delay,
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| 58 | .maxlen = sizeof(unsigned),
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| 59 | .mode = 0644,
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| 60 | .proc_handler = proc_dointvec_minmax,
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| 61 | .extra1 = (void *) &zero,
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| 62 | .extra2 = (void *) &max,
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| 63 | },
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| 64 | #ifdef CONFIG_PERSISTENT_KEYRINGS
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| 65 | {
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| 66 | .procname = "persistent_keyring_expiry",
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| 67 | .data = &persistent_keyring_expiry,
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| 68 | .maxlen = sizeof(unsigned),
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| 69 | .mode = 0644,
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| 70 | .proc_handler = proc_dointvec_minmax,
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| 71 | .extra1 = (void *) &zero,
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| 72 | .extra2 = (void *) &max,
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| 73 | },
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| 74 | #endif
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| 75 | { }
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| 76 | };
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