1 /******************************************************************************
2  *
3  *  Copyright 2009-2012 Broadcom Corporation
4  *
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at:
8  *
9  *  http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  ******************************************************************************/
18 
19 #ifndef BTIF_DM_H
20 #define BTIF_DM_H
21 
22 #include "bta/include/bta_api.h"
23 #include "bta/include/bta_sec_api.h"
24 #include "btif_uid.h"
25 #include "hci/le_rand_callback.h"
26 #include "internal_include/bt_target.h"
27 #include "internal_include/bte_appl.h"
28 #include "types/raw_address.h"
29 
30 /*******************************************************************************
31  *  Constants & Macros
32  ******************************************************************************/
33 #define COD_MASK 0x07FF
34 #define COD_UNCLASSIFIED ((0x1F) << 8)
35 /* Focus on Major and minor device class*/
36 #define COD_DEVICE_MASK 0x1FFC
37 #define COD_HID_KEYBOARD 0x0540
38 #define COD_HID_POINTING 0x0580
39 #define COD_HID_COMBO 0x05C0
40 #define COD_HID_MAJOR 0x0500
41 #define COD_HID_SUB_MAJOR 0x00C0
42 #define COD_HID_MASK 0x0700
43 #define COD_AV_HEADSETS 0x0404
44 #define COD_AV_HANDSFREE 0x0408
45 #define COD_AV_HEADPHONES 0x0418
46 #define COD_AV_PORTABLE_AUDIO 0x041C
47 #define COD_AV_HIFI_AUDIO 0x0428
48 #define COD_CLASS_LE_AUDIO (1 << 14)
49 
50 /*******************************************************************************
51  *  Functions
52  ******************************************************************************/
53 void btif_dm_init(uid_set_t* set);
54 void btif_dm_cleanup(void);
55 
56 /**
57  * BTIF callback for security events
58  */
59 void btif_dm_sec_evt(tBTA_DM_SEC_EVT event, tBTA_DM_SEC* p_data);
60 
61 /**
62  * BTIF callback for ACL up/down and address consolidation events
63  */
64 void btif_dm_acl_evt(tBTA_DM_ACL_EVT event, tBTA_DM_ACL* p_data);
65 
66 /**
67  * Notify BT disable being initiated. DM may chose to abort
68  * pending commands, like pairing
69  */
70 void btif_dm_on_disable(void);
71 
72 /**
73  * Callout for handling io_capabilities request
74  */
75 void btif_dm_proc_io_req(tBTM_AUTH_REQ* p_auth_req, bool is_orig);
76 /**
77  * Callout for handling io_capabilities response
78  */
79 void btif_dm_proc_io_rsp(const RawAddress& bd_addr, tBTM_IO_CAP io_cap,
80                          tBTM_OOB_DATA oob_data, tBTM_AUTH_REQ auth_req);
81 
82 /**
83  * Device Configuration Queries
84  */
85 DEV_CLASS btif_dm_get_local_class_of_device();
86 
87 /**
88  * Out-of-band functions
89  */
90 void btif_dm_set_oob_for_io_req(tBTM_OOB_DATA* p_oob_data);
91 void btif_dm_set_oob_for_le_io_req(const RawAddress& bd_addr,
92                                    tBTM_OOB_DATA* p_oob_data,
93                                    tBTM_LE_AUTH_REQ* p_auth_req);
94 void btif_dm_load_local_oob(void);
95 void btif_dm_proc_loc_oob(tBT_TRANSPORT transport, bool is_valid,
96                           const Octet16& c, const Octet16& r);
97 bool btif_dm_proc_rmt_oob(const RawAddress& bd_addr, Octet16* p_c,
98                           Octet16* p_r);
99 void btif_dm_generate_local_oob_data(tBT_TRANSPORT transport);
100 
101 void btif_check_device_in_inquiry_db(const RawAddress& address);
102 
103 void btif_dm_clear_event_filter();
104 
105 void btif_dm_clear_event_mask();
106 
107 void btif_dm_clear_filter_accept_list();
108 
109 void btif_dm_disconnect_all_acls();
110 
111 void btif_dm_le_rand(bluetooth::hci::LeRandCallback callback);
112 void btif_dm_set_event_filter_connection_setup_all_devices();
113 void btif_dm_allow_wake_by_hid(
114     std::vector<RawAddress> classic_addrs,
115     std::vector<std::pair<RawAddress, uint8_t>> le_addrs);
116 void btif_dm_restore_filter_accept_list(
117     std::vector<std::pair<RawAddress, uint8_t>> le_devices);
118 void btif_dm_set_default_event_mask_except(uint64_t mask, uint64_t le_mask);
119 void btif_dm_set_event_filter_inquiry_result_all_devices();
120 void btif_dm_metadata_changed(const RawAddress& remote_bd_addr, int key,
121                               std::vector<uint8_t> value);
122 
123 /*callout for reading SMP properties from Text file*/
124 bool btif_dm_get_smp_config(tBTE_APPL_CFG* p_cfg);
125 
126 typedef struct {
127   bool is_penc_key_rcvd;
128   tBTM_LE_PENC_KEYS penc_key; /* received peer encryption key */
129   bool is_pcsrk_key_rcvd;
130   tBTM_LE_PCSRK_KEYS pcsrk_key; /* received peer device SRK */
131   bool is_pid_key_rcvd;
132   tBTM_LE_PID_KEYS pid_key; /* peer device ID key */
133   bool is_lenc_key_rcvd;
134   tBTM_LE_LENC_KEYS
135       lenc_key; /* local encryption reproduction keys LTK = = d1(ER,DIV,0)*/
136   bool is_lcsrk_key_rcvd;
137   tBTM_LE_LCSRK_KEYS lcsrk_key; /* local device CSRK = d1(ER,DIV,1)*/
138   bool is_lidk_key_rcvd;        /* local identity key received */
139 } btif_dm_ble_cb_t;
140 
141 #define BTIF_DM_LE_LOCAL_KEY_IR (1 << 0)
142 #define BTIF_DM_LE_LOCAL_KEY_IRK (1 << 1)
143 #define BTIF_DM_LE_LOCAL_KEY_DHK (1 << 2)
144 #define BTIF_DM_LE_LOCAL_KEY_ER (1 << 3)
145 
146 void btif_dm_load_ble_local_keys(void);
147 void btif_dm_get_ble_local_keys(tBTA_DM_BLE_LOCAL_KEY_MASK* p_key_mask,
148                                 Octet16* p_er,
149                                 tBTA_BLE_LOCAL_ID_KEYS* p_id_keys);
150 void btif_dm_update_ble_remote_properties(const RawAddress& bd_addr,
151                                           BD_NAME bd_name, DEV_CLASS dev_class,
152                                           tBT_DEVICE_TYPE dev_type);
153 
154 bool check_cod_hid(const RawAddress& bd_addr);
155 bool check_cod_hid_major(const RawAddress& bd_addr, uint32_t cod);
156 bool is_device_le_audio_capable(const RawAddress bd_addr);
157 bool is_le_audio_capable_during_service_discovery(const RawAddress& bd_addr);
158 #endif
159