1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _KEYUTILS_H_ 30 #define _KEYUTILS_H_ 31 32 #include <linux/keyctl.h> 33 #include <stdint.h> 34 #include <sys/cdefs.h> 35 36 __BEGIN_DECLS 37 38 typedef int32_t key_serial_t; 39 40 key_serial_t add_key(const char* type, const char* description, const void* payload, 41 size_t payload_length, key_serial_t ring_id); 42 43 key_serial_t keyctl_get_keyring_ID(key_serial_t id, int create); 44 45 long keyctl_revoke(key_serial_t id); /* TODO: remove this */ 46 47 long keyctl_search(key_serial_t ring_id, const char* type, const char* description, 48 key_serial_t dest_ring_id); 49 50 long keyctl_setperm(key_serial_t id, int permissions); 51 52 long keyctl_unlink(key_serial_t key, key_serial_t keyring); 53 54 long keyctl_restrict_keyring(key_serial_t keyring, const char* type, const char* restriction); 55 56 long keyctl_get_security(key_serial_t key, char* buffer, size_t buflen); 57 58 __END_DECLS 59 60 #endif 61