1 // SPDX-License-Identifier: GPL-2.0-or-later 1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* 32-bit compatibility syscall for 64-bit sys 2 /* 32-bit compatibility syscall for 64-bit systems
3 * 3 *
4 * Copyright (C) 2004-5 Red Hat, Inc. All Righ 4 * Copyright (C) 2004-5 Red Hat, Inc. All Rights Reserved.
5 * Written by David Howells (dhowells@redhat.c 5 * Written by David Howells (dhowells@redhat.com)
6 */ 6 */
7 7
8 #include <linux/syscalls.h> 8 #include <linux/syscalls.h>
9 #include <linux/keyctl.h> 9 #include <linux/keyctl.h>
10 #include <linux/compat.h> 10 #include <linux/compat.h>
11 #include <linux/slab.h> 11 #include <linux/slab.h>
12 #include "internal.h" 12 #include "internal.h"
13 13
14 /* 14 /*
15 * The key control system call, 32-bit compati 15 * The key control system call, 32-bit compatibility version for 64-bit archs
16 */ 16 */
17 COMPAT_SYSCALL_DEFINE5(keyctl, u32, option, 17 COMPAT_SYSCALL_DEFINE5(keyctl, u32, option,
18 u32, arg2, u32, arg3, u 18 u32, arg2, u32, arg3, u32, arg4, u32, arg5)
19 { 19 {
20 switch (option) { 20 switch (option) {
21 case KEYCTL_GET_KEYRING_ID: 21 case KEYCTL_GET_KEYRING_ID:
22 return keyctl_get_keyring_ID(a 22 return keyctl_get_keyring_ID(arg2, arg3);
23 23
24 case KEYCTL_JOIN_SESSION_KEYRING: 24 case KEYCTL_JOIN_SESSION_KEYRING:
25 return keyctl_join_session_key 25 return keyctl_join_session_keyring(compat_ptr(arg2));
26 26
27 case KEYCTL_UPDATE: 27 case KEYCTL_UPDATE:
28 return keyctl_update_key(arg2, 28 return keyctl_update_key(arg2, compat_ptr(arg3), arg4);
29 29
30 case KEYCTL_REVOKE: 30 case KEYCTL_REVOKE:
31 return keyctl_revoke_key(arg2) 31 return keyctl_revoke_key(arg2);
32 32
33 case KEYCTL_DESCRIBE: 33 case KEYCTL_DESCRIBE:
34 return keyctl_describe_key(arg 34 return keyctl_describe_key(arg2, compat_ptr(arg3), arg4);
35 35
36 case KEYCTL_CLEAR: 36 case KEYCTL_CLEAR:
37 return keyctl_keyring_clear(ar 37 return keyctl_keyring_clear(arg2);
38 38
39 case KEYCTL_LINK: 39 case KEYCTL_LINK:
40 return keyctl_keyring_link(arg 40 return keyctl_keyring_link(arg2, arg3);
41 41
42 case KEYCTL_UNLINK: 42 case KEYCTL_UNLINK:
43 return keyctl_keyring_unlink(a 43 return keyctl_keyring_unlink(arg2, arg3);
44 44
45 case KEYCTL_SEARCH: 45 case KEYCTL_SEARCH:
46 return keyctl_keyring_search(a 46 return keyctl_keyring_search(arg2, compat_ptr(arg3),
47 c 47 compat_ptr(arg4), arg5);
48 48
49 case KEYCTL_READ: 49 case KEYCTL_READ:
50 return keyctl_read_key(arg2, c 50 return keyctl_read_key(arg2, compat_ptr(arg3), arg4);
51 51
52 case KEYCTL_CHOWN: 52 case KEYCTL_CHOWN:
53 return keyctl_chown_key(arg2, 53 return keyctl_chown_key(arg2, arg3, arg4);
54 54
55 case KEYCTL_SETPERM: 55 case KEYCTL_SETPERM:
56 return keyctl_setperm_key(arg2 56 return keyctl_setperm_key(arg2, arg3);
57 57
58 case KEYCTL_INSTANTIATE: 58 case KEYCTL_INSTANTIATE:
59 return keyctl_instantiate_key( 59 return keyctl_instantiate_key(arg2, compat_ptr(arg3), arg4,
60 60 arg5);
61 61
62 case KEYCTL_NEGATE: 62 case KEYCTL_NEGATE:
63 return keyctl_negate_key(arg2, 63 return keyctl_negate_key(arg2, arg3, arg4);
64 64
65 case KEYCTL_SET_REQKEY_KEYRING: 65 case KEYCTL_SET_REQKEY_KEYRING:
66 return keyctl_set_reqkey_keyri 66 return keyctl_set_reqkey_keyring(arg2);
67 67
68 case KEYCTL_SET_TIMEOUT: 68 case KEYCTL_SET_TIMEOUT:
69 return keyctl_set_timeout(arg2 69 return keyctl_set_timeout(arg2, arg3);
70 70
71 case KEYCTL_ASSUME_AUTHORITY: 71 case KEYCTL_ASSUME_AUTHORITY:
72 return keyctl_assume_authority 72 return keyctl_assume_authority(arg2);
73 73
74 case KEYCTL_GET_SECURITY: 74 case KEYCTL_GET_SECURITY:
75 return keyctl_get_security(arg 75 return keyctl_get_security(arg2, compat_ptr(arg3), arg4);
76 76
77 case KEYCTL_SESSION_TO_PARENT: 77 case KEYCTL_SESSION_TO_PARENT:
78 return keyctl_session_to_paren 78 return keyctl_session_to_parent();
79 79
80 case KEYCTL_REJECT: 80 case KEYCTL_REJECT:
81 return keyctl_reject_key(arg2, 81 return keyctl_reject_key(arg2, arg3, arg4, arg5);
82 82
83 case KEYCTL_INSTANTIATE_IOV: 83 case KEYCTL_INSTANTIATE_IOV:
84 return keyctl_instantiate_key_ 84 return keyctl_instantiate_key_iov(arg2, compat_ptr(arg3), arg4,
85 85 arg5);
86 86
87 case KEYCTL_INVALIDATE: 87 case KEYCTL_INVALIDATE:
88 return keyctl_invalidate_key(a 88 return keyctl_invalidate_key(arg2);
89 89
90 case KEYCTL_GET_PERSISTENT: 90 case KEYCTL_GET_PERSISTENT:
91 return keyctl_get_persistent(a 91 return keyctl_get_persistent(arg2, arg3);
92 92
93 case KEYCTL_DH_COMPUTE: 93 case KEYCTL_DH_COMPUTE:
94 return compat_keyctl_dh_comput 94 return compat_keyctl_dh_compute(compat_ptr(arg2),
95 95 compat_ptr(arg3),
96 96 arg4, compat_ptr(arg5));
97 97
98 case KEYCTL_RESTRICT_KEYRING: 98 case KEYCTL_RESTRICT_KEYRING:
99 return keyctl_restrict_keyring 99 return keyctl_restrict_keyring(arg2, compat_ptr(arg3),
100 100 compat_ptr(arg4));
101 101
102 case KEYCTL_PKEY_QUERY: 102 case KEYCTL_PKEY_QUERY:
103 if (arg3 != 0) 103 if (arg3 != 0)
104 return -EINVAL; 104 return -EINVAL;
105 return keyctl_pkey_query(arg2, 105 return keyctl_pkey_query(arg2,
106 compa 106 compat_ptr(arg4),
107 compa 107 compat_ptr(arg5));
108 108
109 case KEYCTL_PKEY_ENCRYPT: 109 case KEYCTL_PKEY_ENCRYPT:
110 case KEYCTL_PKEY_DECRYPT: 110 case KEYCTL_PKEY_DECRYPT:
111 case KEYCTL_PKEY_SIGN: 111 case KEYCTL_PKEY_SIGN:
112 return keyctl_pkey_e_d_s(optio 112 return keyctl_pkey_e_d_s(option,
113 compa 113 compat_ptr(arg2), compat_ptr(arg3),
114 compa 114 compat_ptr(arg4), compat_ptr(arg5));
115 115
116 case KEYCTL_PKEY_VERIFY: 116 case KEYCTL_PKEY_VERIFY:
117 return keyctl_pkey_verify(comp 117 return keyctl_pkey_verify(compat_ptr(arg2), compat_ptr(arg3),
118 comp 118 compat_ptr(arg4), compat_ptr(arg5));
119 119
120 case KEYCTL_MOVE: 120 case KEYCTL_MOVE:
121 return keyctl_keyring_move(arg 121 return keyctl_keyring_move(arg2, arg3, arg4, arg5);
122 122
123 case KEYCTL_CAPABILITIES: 123 case KEYCTL_CAPABILITIES:
124 return keyctl_capabilities(com 124 return keyctl_capabilities(compat_ptr(arg2), arg3);
125 125
126 case KEYCTL_WATCH_KEY: 126 case KEYCTL_WATCH_KEY:
127 return keyctl_watch_key(arg2, 127 return keyctl_watch_key(arg2, arg3, arg4);
128 128
129 default: 129 default:
130 return -EOPNOTSUPP; 130 return -EOPNOTSUPP;
131 } 131 }
132 } 132 }
133 133
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