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