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eb492e01 AB |
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 | ||
aff2cae3 VT |
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 | ||
88ba43b6 AB |
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 | ||
aff2cae3 VT |
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 { | |
58115373 | 80 | __le16 ediv; |
fe39c7b2 | 81 | __le64 rand; |
aff2cae3 VT |
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 | ||
b28b4943 JH |
105 | #define SMP_CMD_MAX 0x0b |
106 | ||
aff2cae3 VT |
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 | |
b93a6829 AE |
113 | #define SMP_CMD_NOTSUPP 0x07 |
114 | #define SMP_UNSPECIFIED 0x08 | |
aff2cae3 | 115 | #define SMP_REPEATED_ATTEMPTS 0x09 |
38e4a915 | 116 | #define SMP_INVALID_PARAMS 0x0a |
aff2cae3 | 117 | |
3158c50c VCG |
118 | #define SMP_MIN_ENC_KEY_SIZE 7 |
119 | #define SMP_MAX_ENC_KEY_SIZE 16 | |
120 | ||
2ceba539 JH |
121 | /* LTK types used in internal storage (struct smp_ltk) */ |
122 | enum { | |
123 | SMP_STK, | |
124 | SMP_LTK, | |
125 | SMP_LTK_SLAVE, | |
126 | }; | |
127 | ||
a6f7833c JH |
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 | ||
eb492e01 | 136 | /* SMP Commands */ |
ad32a2f5 | 137 | bool smp_sufficient_security(struct hci_conn *hcon, u8 sec_level); |
cc110922 | 138 | int smp_conn_security(struct hci_conn *hcon, __u8 sec_level); |
2b64d153 | 139 | int smp_user_confirm_reply(struct hci_conn *conn, u16 mgmt_op, __le32 passkey); |
eb492e01 | 140 | |
defce9e8 JH |
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); | |
60478054 | 143 | |
711eafe3 JH |
144 | int smp_register(struct hci_dev *hdev); |
145 | void smp_unregister(struct hci_dev *hdev); | |
146 | ||
aff2cae3 | 147 | #endif /* __SMP_H */ |