Git Repo - linux.git/blame - security/keys/compat.c

Commit	Line	Data
2874c5fd	1	// SPDX-License-Identifier: GPL-2.0-or-later
973c9f4f	2	/* 32-bit compatibility syscall for 64-bit systems
1da177e4	3	*
3e30148c	4	* Copyright (C) 2004-5 Red Hat, Inc. All Rights Reserved.
1da177e4	5	* Written by David Howells ([email protected])
1da177e4 LT	6	*/
1da177e4 LT	7
1da177e4 LT	8	#include <linux/syscalls.h>
	9	#include <linux/keyctl.h>
	10	#include <linux/compat.h>
ee009e4a	11	#include <linux/slab.h>
1da177e4 LT	12	#include "internal.h"
1da177e4 LT	13
1da177e4	14	/*
973c9f4f	15	* The key control system call, 32-bit compatibility version for 64-bit archs
1da177e4	16	*/
875ec3da HC	17	COMPAT_SYSCALL_DEFINE5(keyctl, u32, option,
875ec3da HC	18	u32, arg2, u32, arg3, u32, arg4, u32, arg5)
1da177e4 LT	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(arg2));
	26
	27	case KEYCTL_UPDATE:
	28	return keyctl_update_key(arg2, compat_ptr(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(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(arg3),
	47	compat_ptr(arg4), arg5);
	48
	49	case KEYCTL_READ:
	50	return keyctl_read_key(arg2, compat_ptr(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(arg3), arg4,
	60	arg5);
	61
	62	case KEYCTL_NEGATE:
	63	return keyctl_negate_key(arg2, arg3, arg4);
	64
3e30148c DH	65	case KEYCTL_SET_REQKEY_KEYRING:
	66	return keyctl_set_reqkey_keyring(arg2);
	67
017679c4 DH	68	case KEYCTL_SET_TIMEOUT:
	69	return keyctl_set_timeout(arg2, arg3);
	70
b5f545c8 DH	71	case KEYCTL_ASSUME_AUTHORITY:
	72	return keyctl_assume_authority(arg2);
	73
70a5bb72 DH	74	case KEYCTL_GET_SECURITY:
	75	return keyctl_get_security(arg2, compat_ptr(arg3), arg4);
	76
ee18d64c DH	77	case KEYCTL_SESSION_TO_PARENT:
	78	return keyctl_session_to_parent();
	79
fdd1b945 DH	80	case KEYCTL_REJECT:
	81	return keyctl_reject_key(arg2, arg3, arg4, arg5);
	82
ee009e4a	83	case KEYCTL_INSTANTIATE_IOV:
5d47b394 CH	84	return keyctl_instantiate_key_iov(arg2, compat_ptr(arg3), arg4,
5d47b394 CH	85	arg5);
ee009e4a	86
fd75815f DH	87	case KEYCTL_INVALIDATE:
	88	return keyctl_invalidate_key(arg2);
	89
f36f8c75 DH	90	case KEYCTL_GET_PERSISTENT:
	91	return keyctl_get_persistent(arg2, arg3);
	92
ddbb4114	93	case KEYCTL_DH_COMPUTE:
f1c316a3 SM	94	return compat_keyctl_dh_compute(compat_ptr(arg2),
	95	compat_ptr(arg3),
	96	arg4, compat_ptr(arg5));
ddbb4114	97
6563c91f MM	98	case KEYCTL_RESTRICT_KEYRING:
	99	return keyctl_restrict_keyring(arg2, compat_ptr(arg3),
	100	compat_ptr(arg4));
	101
00d60fd3 DH	102	case KEYCTL_PKEY_QUERY:
	103	if (arg3 != 0)
	104	return -EINVAL;
	105	return keyctl_pkey_query(arg2,
	106	compat_ptr(arg4),
	107	compat_ptr(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(arg2), compat_ptr(arg3),
	114	compat_ptr(arg4), compat_ptr(arg5));
	115
	116	case KEYCTL_PKEY_VERIFY:
	117	return keyctl_pkey_verify(compat_ptr(arg2), compat_ptr(arg3),
	118	compat_ptr(arg4), compat_ptr(arg5));
	119
ed0ac5c7 DH	120	case KEYCTL_MOVE:
	121	return keyctl_keyring_move(arg2, arg3, arg4, arg5);
	122
45e0f30c DH	123	case KEYCTL_CAPABILITIES:
	124	return keyctl_capabilities(compat_ptr(arg2), arg3);
	125
f7e47677 DH	126	case KEYCTL_WATCH_KEY:
	127	return keyctl_watch_key(arg2, arg3, arg4);
	128
1da177e4 LT	129	default:
	130	return -EOPNOTSUPP;
	131	}
a8b17ed0	132	}