projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* compat.c: 32-bit compatibility syscall for 64-bit systems |
| 2 | * | |
| 3e30148c | 3 | * Copyright (C) 2004-5 Red Hat, Inc. All Rights Reserved. |
| 1da177e4 LT |
4 | * Written by David Howells ([email protected]) |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or | |
| 7 | * modify it under the terms of the GNU General Public License | |
| 8 | * as published by the Free Software Foundation; either version | |
| 9 | * 2 of the License, or (at your option) any later version. | |
| 10 | */ | |
| 11 | ||
| 1da177e4 LT |
12 | #include <linux/syscalls.h> |
| 13 | #include <linux/keyctl.h> | |
| 14 | #include <linux/compat.h> | |
| 15 | #include "internal.h" | |
| 16 | ||
| 17 | /*****************************************************************************/ | |
| 18 | /* | |
| 19 | * the key control system call, 32-bit compatibility version for 64-bit archs | |
| 20 | * - this should only be called if the 64-bit arch uses weird pointers in | |
| 21 | * 32-bit mode or doesn't guarantee that the top 32-bits of the argument | |
| 22 | * registers on taking a 32-bit syscall are zero | |
| 23 | * - if you can, you should call sys_keyctl directly | |
| 24 | */ | |
| 25 | asmlinkage long compat_sys_keyctl(u32 option, | |
| 3e30148c | 26 | u32 arg2, u32 arg3, u32 arg4, u32 arg5) |
| 1da177e4 LT |
27 | { |
| 28 | switch (option) { | |
| 29 | case KEYCTL_GET_KEYRING_ID: | |
| 30 | return keyctl_get_keyring_ID(arg2, arg3); | |
| 31 | ||
| 32 | case KEYCTL_JOIN_SESSION_KEYRING: | |
| 33 | return keyctl_join_session_keyring(compat_ptr(arg2)); | |
| 34 | ||
| 35 | case KEYCTL_UPDATE: | |
| 36 | return keyctl_update_key(arg2, compat_ptr(arg3), arg4); | |
| 37 | ||
| 38 | case KEYCTL_REVOKE: | |
| 39 | return keyctl_revoke_key(arg2); | |
| 40 | ||
| 41 | case KEYCTL_DESCRIBE: | |
| 42 | return keyctl_describe_key(arg2, compat_ptr(arg3), arg4); | |
| 43 | ||
| 44 | case KEYCTL_CLEAR: | |
| 45 | return keyctl_keyring_clear(arg2); | |
| 46 | ||
| 47 | case KEYCTL_LINK: | |
| 48 | return keyctl_keyring_link(arg2, arg3); | |
| 49 | ||
| 50 | case KEYCTL_UNLINK: | |
| 51 | return keyctl_keyring_unlink(arg2, arg3); | |
| 52 | ||
| 53 | case KEYCTL_SEARCH: | |
| 54 | return keyctl_keyring_search(arg2, compat_ptr(arg3), | |
| 55 | compat_ptr(arg4), arg5); | |
| 56 | ||
| 57 | case KEYCTL_READ: | |
| 58 | return keyctl_read_key(arg2, compat_ptr(arg3), arg4); | |
| 59 | ||
| 60 | case KEYCTL_CHOWN: | |
| 61 | return keyctl_chown_key(arg2, arg3, arg4); | |
| 62 | ||
| 63 | case KEYCTL_SETPERM: | |
| 64 | return keyctl_setperm_key(arg2, arg3); | |
| 65 | ||
| 66 | case KEYCTL_INSTANTIATE: | |
| 67 | return keyctl_instantiate_key(arg2, compat_ptr(arg3), arg4, | |
| 68 | arg5); | |
| 69 | ||
| 70 | case KEYCTL_NEGATE: | |
| 71 | return keyctl_negate_key(arg2, arg3, arg4); | |
| 72 | ||
| 3e30148c DH |
73 | case KEYCTL_SET_REQKEY_KEYRING: |
| 74 | return keyctl_set_reqkey_keyring(arg2); | |
| 75 | ||
| 017679c4 DH |
76 | case KEYCTL_SET_TIMEOUT: |
| 77 | return keyctl_set_timeout(arg2, arg3); | |
| 78 | ||
| b5f545c8 DH |
79 | case KEYCTL_ASSUME_AUTHORITY: |
| 80 | return keyctl_assume_authority(arg2); | |
| 81 | ||
| 1da177e4 LT |
82 | default: |
| 83 | return -EOPNOTSUPP; | |
| 84 | } | |
| 85 | ||
| 86 | } /* end compat_sys_keyctl() */ |