5d47b39479
Now that import_iovec handles compat iovecs, the native version of keyctl_instantiate_key_iov can be used for the compat case as well. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
133 lines
3.2 KiB
C
133 lines
3.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/* 32-bit compatibility syscall for 64-bit systems
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*
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* Copyright (C) 2004-5 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*/
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#include <linux/syscalls.h>
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#include <linux/keyctl.h>
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#include <linux/compat.h>
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#include <linux/slab.h>
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#include "internal.h"
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/*
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* The key control system call, 32-bit compatibility version for 64-bit archs
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*/
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COMPAT_SYSCALL_DEFINE5(keyctl, u32, option,
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u32, arg2, u32, arg3, u32, arg4, u32, arg5)
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{
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switch (option) {
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case KEYCTL_GET_KEYRING_ID:
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return keyctl_get_keyring_ID(arg2, arg3);
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case KEYCTL_JOIN_SESSION_KEYRING:
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return keyctl_join_session_keyring(compat_ptr(arg2));
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case KEYCTL_UPDATE:
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return keyctl_update_key(arg2, compat_ptr(arg3), arg4);
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case KEYCTL_REVOKE:
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return keyctl_revoke_key(arg2);
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case KEYCTL_DESCRIBE:
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return keyctl_describe_key(arg2, compat_ptr(arg3), arg4);
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case KEYCTL_CLEAR:
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return keyctl_keyring_clear(arg2);
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case KEYCTL_LINK:
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return keyctl_keyring_link(arg2, arg3);
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case KEYCTL_UNLINK:
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return keyctl_keyring_unlink(arg2, arg3);
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case KEYCTL_SEARCH:
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return keyctl_keyring_search(arg2, compat_ptr(arg3),
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compat_ptr(arg4), arg5);
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case KEYCTL_READ:
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return keyctl_read_key(arg2, compat_ptr(arg3), arg4);
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case KEYCTL_CHOWN:
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return keyctl_chown_key(arg2, arg3, arg4);
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case KEYCTL_SETPERM:
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return keyctl_setperm_key(arg2, arg3);
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case KEYCTL_INSTANTIATE:
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return keyctl_instantiate_key(arg2, compat_ptr(arg3), arg4,
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arg5);
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case KEYCTL_NEGATE:
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return keyctl_negate_key(arg2, arg3, arg4);
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case KEYCTL_SET_REQKEY_KEYRING:
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return keyctl_set_reqkey_keyring(arg2);
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case KEYCTL_SET_TIMEOUT:
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return keyctl_set_timeout(arg2, arg3);
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case KEYCTL_ASSUME_AUTHORITY:
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return keyctl_assume_authority(arg2);
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case KEYCTL_GET_SECURITY:
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return keyctl_get_security(arg2, compat_ptr(arg3), arg4);
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case KEYCTL_SESSION_TO_PARENT:
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return keyctl_session_to_parent();
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case KEYCTL_REJECT:
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return keyctl_reject_key(arg2, arg3, arg4, arg5);
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case KEYCTL_INSTANTIATE_IOV:
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return keyctl_instantiate_key_iov(arg2, compat_ptr(arg3), arg4,
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arg5);
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case KEYCTL_INVALIDATE:
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return keyctl_invalidate_key(arg2);
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case KEYCTL_GET_PERSISTENT:
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return keyctl_get_persistent(arg2, arg3);
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case KEYCTL_DH_COMPUTE:
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return compat_keyctl_dh_compute(compat_ptr(arg2),
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compat_ptr(arg3),
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arg4, compat_ptr(arg5));
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case KEYCTL_RESTRICT_KEYRING:
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return keyctl_restrict_keyring(arg2, compat_ptr(arg3),
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compat_ptr(arg4));
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case KEYCTL_PKEY_QUERY:
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if (arg3 != 0)
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return -EINVAL;
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return keyctl_pkey_query(arg2,
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compat_ptr(arg4),
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compat_ptr(arg5));
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case KEYCTL_PKEY_ENCRYPT:
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case KEYCTL_PKEY_DECRYPT:
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case KEYCTL_PKEY_SIGN:
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return keyctl_pkey_e_d_s(option,
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compat_ptr(arg2), compat_ptr(arg3),
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compat_ptr(arg4), compat_ptr(arg5));
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case KEYCTL_PKEY_VERIFY:
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return keyctl_pkey_verify(compat_ptr(arg2), compat_ptr(arg3),
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compat_ptr(arg4), compat_ptr(arg5));
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case KEYCTL_MOVE:
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return keyctl_keyring_move(arg2, arg3, arg4, arg5);
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case KEYCTL_CAPABILITIES:
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return keyctl_capabilities(compat_ptr(arg2), arg3);
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case KEYCTL_WATCH_KEY:
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return keyctl_watch_key(arg2, arg3, arg4);
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default:
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return -EOPNOTSUPP;
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}
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}
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