Anderson Briglia | eb492e0 | 2011-06-09 18:50:40 -0300 | [diff] [blame] | 1 | /* |
| 2 | BlueZ - Bluetooth protocol stack for Linux |
| 3 | Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). |
| 4 | |
| 5 | This program is free software; you can redistribute it and/or modify |
| 6 | it under the terms of the GNU General Public License version 2 as |
| 7 | published by the Free Software Foundation; |
| 8 | |
| 9 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 10 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 11 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. |
| 12 | IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY |
| 13 | CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES |
| 14 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 15 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 16 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 17 | |
| 18 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, |
| 19 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS |
| 20 | SOFTWARE IS DISCLAIMED. |
| 21 | */ |
| 22 | |
Ville Tervo | aff2cae | 2011-02-10 22:38:54 -0300 | [diff] [blame] | 23 | #ifndef __SMP_H |
| 24 | #define __SMP_H |
| 25 | |
| 26 | struct smp_command_hdr { |
| 27 | __u8 code; |
| 28 | } __packed; |
| 29 | |
| 30 | #define SMP_CMD_PAIRING_REQ 0x01 |
| 31 | #define SMP_CMD_PAIRING_RSP 0x02 |
| 32 | struct smp_cmd_pairing { |
| 33 | __u8 io_capability; |
| 34 | __u8 oob_flag; |
| 35 | __u8 auth_req; |
| 36 | __u8 max_key_size; |
| 37 | __u8 init_key_dist; |
| 38 | __u8 resp_key_dist; |
| 39 | } __packed; |
| 40 | |
Anderson Briglia | 88ba43b | 2011-06-09 18:50:42 -0300 | [diff] [blame] | 41 | #define SMP_IO_DISPLAY_ONLY 0x00 |
| 42 | #define SMP_IO_DISPLAY_YESNO 0x01 |
| 43 | #define SMP_IO_KEYBOARD_ONLY 0x02 |
| 44 | #define SMP_IO_NO_INPUT_OUTPUT 0x03 |
| 45 | #define SMP_IO_KEYBOARD_DISPLAY 0x04 |
| 46 | |
| 47 | #define SMP_OOB_NOT_PRESENT 0x00 |
| 48 | #define SMP_OOB_PRESENT 0x01 |
| 49 | |
| 50 | #define SMP_DIST_ENC_KEY 0x01 |
| 51 | #define SMP_DIST_ID_KEY 0x02 |
| 52 | #define SMP_DIST_SIGN 0x04 |
| 53 | |
| 54 | #define SMP_AUTH_NONE 0x00 |
| 55 | #define SMP_AUTH_BONDING 0x01 |
| 56 | #define SMP_AUTH_MITM 0x04 |
| 57 | |
Ville Tervo | aff2cae | 2011-02-10 22:38:54 -0300 | [diff] [blame] | 58 | #define SMP_CMD_PAIRING_CONFIRM 0x03 |
| 59 | struct smp_cmd_pairing_confirm { |
| 60 | __u8 confirm_val[16]; |
| 61 | } __packed; |
| 62 | |
| 63 | #define SMP_CMD_PAIRING_RANDOM 0x04 |
| 64 | struct smp_cmd_pairing_random { |
| 65 | __u8 rand_val[16]; |
| 66 | } __packed; |
| 67 | |
| 68 | #define SMP_CMD_PAIRING_FAIL 0x05 |
| 69 | struct smp_cmd_pairing_fail { |
| 70 | __u8 reason; |
| 71 | } __packed; |
| 72 | |
| 73 | #define SMP_CMD_ENCRYPT_INFO 0x06 |
| 74 | struct smp_cmd_encrypt_info { |
| 75 | __u8 ltk[16]; |
| 76 | } __packed; |
| 77 | |
| 78 | #define SMP_CMD_MASTER_IDENT 0x07 |
| 79 | struct smp_cmd_master_ident { |
Andrei Emeltchenko | 5811537 | 2012-03-12 12:13:06 +0200 | [diff] [blame] | 80 | __le16 ediv; |
Marcel Holtmann | fe39c7b | 2014-02-27 16:00:28 -0800 | [diff] [blame] | 81 | __le64 rand; |
Ville Tervo | aff2cae | 2011-02-10 22:38:54 -0300 | [diff] [blame] | 82 | } __packed; |
| 83 | |
| 84 | #define SMP_CMD_IDENT_INFO 0x08 |
| 85 | struct smp_cmd_ident_info { |
| 86 | __u8 irk[16]; |
| 87 | } __packed; |
| 88 | |
| 89 | #define SMP_CMD_IDENT_ADDR_INFO 0x09 |
| 90 | struct smp_cmd_ident_addr_info { |
| 91 | __u8 addr_type; |
| 92 | bdaddr_t bdaddr; |
| 93 | } __packed; |
| 94 | |
| 95 | #define SMP_CMD_SIGN_INFO 0x0a |
| 96 | struct smp_cmd_sign_info { |
| 97 | __u8 csrk[16]; |
| 98 | } __packed; |
| 99 | |
| 100 | #define SMP_CMD_SECURITY_REQ 0x0b |
| 101 | struct smp_cmd_security_req { |
| 102 | __u8 auth_req; |
| 103 | } __packed; |
| 104 | |
Johan Hedberg | b28b494 | 2014-09-05 22:19:55 +0300 | [diff] [blame] | 105 | #define SMP_CMD_MAX 0x0b |
| 106 | |
Ville Tervo | aff2cae | 2011-02-10 22:38:54 -0300 | [diff] [blame] | 107 | #define SMP_PASSKEY_ENTRY_FAILED 0x01 |
| 108 | #define SMP_OOB_NOT_AVAIL 0x02 |
| 109 | #define SMP_AUTH_REQUIREMENTS 0x03 |
| 110 | #define SMP_CONFIRM_FAILED 0x04 |
| 111 | #define SMP_PAIRING_NOTSUPP 0x05 |
| 112 | #define SMP_ENC_KEY_SIZE 0x06 |
Andrei Emeltchenko | b93a682 | 2012-07-19 17:03:44 +0300 | [diff] [blame] | 113 | #define SMP_CMD_NOTSUPP 0x07 |
| 114 | #define SMP_UNSPECIFIED 0x08 |
Ville Tervo | aff2cae | 2011-02-10 22:38:54 -0300 | [diff] [blame] | 115 | #define SMP_REPEATED_ATTEMPTS 0x09 |
Johan Hedberg | 38e4a91 | 2014-05-08 14:19:11 +0300 | [diff] [blame] | 116 | #define SMP_INVALID_PARAMS 0x0a |
Ville Tervo | aff2cae | 2011-02-10 22:38:54 -0300 | [diff] [blame] | 117 | |
Vinicius Costa Gomes | 3158c50 | 2011-06-14 13:37:42 -0300 | [diff] [blame] | 118 | #define SMP_MIN_ENC_KEY_SIZE 7 |
| 119 | #define SMP_MAX_ENC_KEY_SIZE 16 |
| 120 | |
Johan Hedberg | 2ceba53 | 2014-06-16 19:25:16 +0300 | [diff] [blame] | 121 | /* LTK types used in internal storage (struct smp_ltk) */ |
| 122 | enum { |
| 123 | SMP_STK, |
| 124 | SMP_LTK, |
| 125 | SMP_LTK_SLAVE, |
| 126 | }; |
| 127 | |
Johan Hedberg | a6f7833 | 2014-09-10 17:37:45 -0700 | [diff] [blame] | 128 | static inline u8 smp_ltk_sec_level(struct smp_ltk *key) |
| 129 | { |
| 130 | if (key->authenticated) |
| 131 | return BT_SECURITY_HIGH; |
| 132 | |
| 133 | return BT_SECURITY_MEDIUM; |
| 134 | } |
| 135 | |
Anderson Briglia | eb492e0 | 2011-06-09 18:50:40 -0300 | [diff] [blame] | 136 | /* SMP Commands */ |
Johan Hedberg | ad32a2f | 2013-05-14 18:05:12 +0300 | [diff] [blame] | 137 | bool smp_sufficient_security(struct hci_conn *hcon, u8 sec_level); |
Vinicius Costa Gomes | cc11092 | 2012-08-23 21:32:43 -0300 | [diff] [blame] | 138 | int smp_conn_security(struct hci_conn *hcon, __u8 sec_level); |
Brian Gix | 2b64d15 | 2011-12-21 16:12:12 -0800 | [diff] [blame] | 139 | int smp_user_confirm_reply(struct hci_conn *conn, u16 mgmt_op, __le32 passkey); |
Anderson Briglia | eb492e0 | 2011-06-09 18:50:40 -0300 | [diff] [blame] | 140 | |
Johan Hedberg | defce9e | 2014-08-08 09:37:17 +0300 | [diff] [blame] | 141 | bool smp_irk_matches(struct hci_dev *hdev, u8 irk[16], bdaddr_t *bdaddr); |
| 142 | int smp_generate_rpa(struct hci_dev *hdev, u8 irk[16], bdaddr_t *rpa); |
Johan Hedberg | 6047805 | 2014-02-18 10:19:31 +0200 | [diff] [blame] | 143 | |
Johan Hedberg | 711eafe | 2014-08-08 09:32:52 +0300 | [diff] [blame] | 144 | int smp_register(struct hci_dev *hdev); |
| 145 | void smp_unregister(struct hci_dev *hdev); |
| 146 | |
Ville Tervo | aff2cae | 2011-02-10 22:38:54 -0300 | [diff] [blame] | 147 | #endif /* __SMP_H */ |