1 /******************************************************************************
2  *
3  *  Copyright (C) 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 /************************************************************************************
20  *
21  *  Filename:      btif_dm.c
22  *
23  *  Description:   Contains Device Management (DM) related functionality
24  *
25  *
26  ***********************************************************************************/
27 
28 #define LOG_TAG "bt_btif_dm"
29 
30 #include "btif_dm.h"
31 
32 #include <assert.h>
33 #include <pthread.h>
34 #include <signal.h>
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <string.h>
38 #include <sys/types.h>
39 #include <time.h>
40 #include <unistd.h>
41 
42 #include <hardware/bluetooth.h>
43 
44 #include "bdaddr.h"
45 #include "bta_gatt_api.h"
46 #include "btif_api.h"
47 #include "btif_config.h"
48 #include "btif_hh.h"
49 #include "btif_sdp.h"
50 #include "btif_storage.h"
51 #include "btif_util.h"
52 #include "btu.h"
53 #include "bt_common.h"
54 #include "bta_gatt_api.h"
55 #include "device/include/interop.h"
56 #include "include/stack_config.h"
57 #include "osi/include/allocator.h"
58 #include "osi/include/log.h"
59 #include "osi/include/metrics.h"
60 #include "osi/include/properties.h"
61 #include "stack_config.h"
62 #include "stack/btm/btm_int.h"
63 
64 /******************************************************************************
65 **  Constants & Macros
66 ******************************************************************************/
67 
68 #define COD_MASK                            0x07FF
69 
70 #define COD_UNCLASSIFIED ((0x1F) << 8)
71 #define COD_HID_KEYBOARD                    0x0540
72 #define COD_HID_POINTING                    0x0580
73 #define COD_HID_COMBO                       0x05C0
74 #define COD_HID_MAJOR                       0x0500
75 #define COD_HID_MASK                        0x0700
76 #define COD_AV_HEADSETS                     0x0404
77 #define COD_AV_HANDSFREE                    0x0408
78 #define COD_AV_HEADPHONES                   0x0418
79 #define COD_AV_PORTABLE_AUDIO               0x041C
80 #define COD_AV_HIFI_AUDIO                   0x0428
81 
82 #define BTIF_DM_DEFAULT_INQ_MAX_RESULTS     0
83 #define BTIF_DM_DEFAULT_INQ_MAX_DURATION    10
84 #define BTIF_DM_MAX_SDP_ATTEMPTS_AFTER_PAIRING 2
85 
86 #define NUM_TIMEOUT_RETRIES                 5
87 
88 #define PROPERTY_PRODUCT_MODEL "ro.product.model"
89 #define DEFAULT_LOCAL_NAME_MAX  31
90 #if (DEFAULT_LOCAL_NAME_MAX > BTM_MAX_LOC_BD_NAME_LEN)
91     #error "default btif local name size exceeds stack supported length"
92 #endif
93 
94 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE)
95 #define BTIF_DM_INTERLEAVE_DURATION_BR_ONE    2
96 #define BTIF_DM_INTERLEAVE_DURATION_LE_ONE    2
97 #define BTIF_DM_INTERLEAVE_DURATION_BR_TWO    3
98 #define BTIF_DM_INTERLEAVE_DURATION_LE_TWO    4
99 #endif
100 
101 #define ENCRYPTED_BREDR       2
102 #define ENCRYPTED_LE          4
103 
104 typedef struct
105 {
106     bt_bond_state_t state;
107     bt_bdaddr_t static_bdaddr;
108     BD_ADDR bd_addr;
109     tBTM_BOND_TYPE bond_type;
110     UINT8 pin_code_len;
111     UINT8 is_ssp;
112     UINT8 auth_req;
113     UINT8 io_cap;
114     UINT8 autopair_attempts;
115     UINT8 timeout_retries;
116     UINT8 is_local_initiated;
117     UINT8 sdp_attempts;
118 #if (defined(BLE_INCLUDED) && (BLE_INCLUDED == TRUE))
119     BOOLEAN is_le_only;
120     BOOLEAN is_le_nc; /* LE Numeric comparison */
121     btif_dm_ble_cb_t ble;
122 #endif
123 } btif_dm_pairing_cb_t;
124 
125 typedef struct
126 {
127     UINT8       ir[BT_OCTET16_LEN];
128     UINT8       irk[BT_OCTET16_LEN];
129     UINT8       dhk[BT_OCTET16_LEN];
130 }btif_dm_local_key_id_t;
131 
132 typedef struct
133 {
134     BOOLEAN                 is_er_rcvd;
135     UINT8                   er[BT_OCTET16_LEN];
136     BOOLEAN                 is_id_keys_rcvd;
137     btif_dm_local_key_id_t  id_keys;  /* ID kyes */
138 
139 }btif_dm_local_key_cb_t;
140 
141 typedef struct
142 {
143     BD_ADDR bd_addr;
144     BD_NAME bd_name;
145 } btif_dm_remote_name_t;
146 
147 /* this structure holds optional OOB data for remote device */
148 typedef struct
149 {
150     BD_ADDR  bdaddr;    /* peer bdaddr */
151     bt_out_of_band_data_t oob_data;
152 } btif_dm_oob_cb_t;
153 
154 typedef struct
155 {
156     bt_bdaddr_t  bdaddr;
157     UINT8        transport; /* 0=Unknown, 1=BR/EDR, 2=LE */
158 } btif_dm_create_bond_cb_t;
159 
160 typedef struct
161 {
162     uint8_t  status;
163     uint8_t  ctrl_state;
164     uint64_t tx_time;
165     uint64_t rx_time;
166     uint64_t idle_time;
167     uint64_t energy_used;
168 } btif_activity_energy_info_cb_t;
169 
170 typedef struct
171 {
172     unsigned int   manufact_id;
173 }skip_sdp_entry_t;
174 
175 typedef enum
176 {
177     BTIF_DM_FUNC_CREATE_BOND,
178     BTIF_DM_FUNC_CANCEL_BOND,
179     BTIF_DM_FUNC_REMOVE_BOND,
180     BTIF_DM_FUNC_BOND_STATE_CHANGED,
181 } bt_bond_function_t;
182 
183 typedef struct
184 {
185     bt_bdaddr_t bd_addr;
186     bt_bond_function_t function;
187     bt_bond_state_t state;
188     struct timespec timestamp;
189 } btif_bond_event_t;
190 
191 #define BTA_SERVICE_ID_TO_SERVICE_MASK(id)       (1 << (id))
192 
193 #define UUID_HUMAN_INTERFACE_DEVICE "00001124-0000-1000-8000-00805f9b34fb"
194 
195 #define MAX_BTIF_BOND_EVENT_ENTRIES 15
196 
197 static skip_sdp_entry_t sdp_blacklist[] = {{76}}; //Apple Mouse and Keyboard
198 
199 /* This flag will be true if HCI_Inquiry is in progress */
200 static BOOLEAN btif_dm_inquiry_in_progress = FALSE;
201 
202 /************************************************************************************
203 **  Static variables
204 ************************************************************************************/
205 static char btif_default_local_name[DEFAULT_LOCAL_NAME_MAX+1] = {'\0'};
206 static uid_set_t* uid_set = NULL;
207 
208 /* A circular array to keep track of the most recent bond events */
209 static btif_bond_event_t btif_dm_bond_events[MAX_BTIF_BOND_EVENT_ENTRIES + 1];
210 
211 static pthread_mutex_t bond_event_lock;
212 
213 /* |btif_num_bond_events| keeps track of the total number of events and can be
214    greater than |MAX_BTIF_BOND_EVENT_ENTRIES| */
215 static size_t btif_num_bond_events = 0;
216 static size_t btif_events_start_index = 0;
217 static size_t btif_events_end_index = 0;
218 
219 /******************************************************************************
220 **  Static functions
221 ******************************************************************************/
222 static btif_dm_pairing_cb_t pairing_cb;
223 static btif_dm_oob_cb_t     oob_cb;
224 static void btif_dm_generic_evt(UINT16 event, char* p_param);
225 static void btif_dm_cb_create_bond(bt_bdaddr_t *bd_addr, tBTA_TRANSPORT transport);
226 static void btif_dm_cb_hid_remote_name(tBTM_REMOTE_DEV_NAME *p_remote_name);
227 static void btif_update_remote_properties(BD_ADDR bd_addr, BD_NAME bd_name,
228                                           DEV_CLASS dev_class, tBT_DEVICE_TYPE dev_type);
229 #if (defined(BLE_INCLUDED) && (BLE_INCLUDED == TRUE))
230 static btif_dm_local_key_cb_t ble_local_key_cb;
231 static void btif_dm_ble_key_notif_evt(tBTA_DM_SP_KEY_NOTIF *p_ssp_key_notif);
232 static void btif_dm_ble_auth_cmpl_evt (tBTA_DM_AUTH_CMPL *p_auth_cmpl);
233 static void btif_dm_ble_passkey_req_evt(tBTA_DM_PIN_REQ *p_pin_req);
234 static void btif_dm_ble_key_nc_req_evt(tBTA_DM_SP_KEY_NOTIF *p_notif_req) ;
235 static void btif_dm_ble_oob_req_evt(tBTA_DM_SP_RMT_OOB *req_oob_type);
236 #endif
237 
238 static void bte_scan_filt_param_cfg_evt(UINT8 action_type,
239                                            tBTA_DM_BLE_PF_AVBL_SPACE avbl_space,
240                                            tBTA_DM_BLE_REF_VALUE ref_value,
241                                            tBTA_STATUS status);
242 
243 static char* btif_get_default_local_name();
244 
245 static void btif_stats_add_bond_event(const bt_bdaddr_t *bd_addr,
246                                       bt_bond_function_t function,
247                                       bt_bond_state_t state);
248 
249 /******************************************************************************
250 **  Externs
251 ******************************************************************************/
252 extern UINT16 bta_service_id_to_uuid_lkup_tbl [BTA_MAX_SERVICE_ID];
253 extern bt_status_t btif_hf_execute_service(BOOLEAN b_enable);
254 extern bt_status_t btif_av_execute_service(BOOLEAN b_enable);
255 extern bt_status_t btif_av_sink_execute_service(BOOLEAN b_enable);
256 extern bt_status_t btif_hh_execute_service(BOOLEAN b_enable);
257 extern bt_status_t btif_hf_client_execute_service(BOOLEAN b_enable);
258 extern bt_status_t btif_sdp_execute_service(BOOLEAN b_enable);
259 extern int btif_hh_connect(bt_bdaddr_t *bd_addr);
260 extern void bta_gatt_convert_uuid16_to_uuid128(UINT8 uuid_128[LEN_UUID_128], UINT16 uuid_16);
261 
262 /******************************************************************************
263 **  Functions
264 ******************************************************************************/
265 
is_empty_128bit(uint8_t * data)266 static bool is_empty_128bit(uint8_t *data)
267 {
268     static const uint8_t zero[16] = { 0 };
269     return !memcmp(zero, data, sizeof(zero));
270 }
271 
btif_dm_data_copy(uint16_t event,char * dst,char * src)272 static void btif_dm_data_copy(uint16_t event, char *dst, char *src)
273 {
274     tBTA_DM_SEC *dst_dm_sec = (tBTA_DM_SEC*)dst;
275     tBTA_DM_SEC *src_dm_sec = (tBTA_DM_SEC*)src;
276 
277     if (!src_dm_sec)
278         return;
279 
280     assert(dst_dm_sec);
281     maybe_non_aligned_memcpy(dst_dm_sec, src_dm_sec, sizeof(*src_dm_sec));
282 
283     if (event == BTA_DM_BLE_KEY_EVT)
284     {
285         dst_dm_sec->ble_key.p_key_value = osi_malloc(sizeof(tBTM_LE_KEY_VALUE));
286         assert(src_dm_sec->ble_key.p_key_value);
287         memcpy(dst_dm_sec->ble_key.p_key_value, src_dm_sec->ble_key.p_key_value, sizeof(tBTM_LE_KEY_VALUE));
288     }
289 }
290 
btif_dm_data_free(uint16_t event,tBTA_DM_SEC * dm_sec)291 static void btif_dm_data_free(uint16_t event, tBTA_DM_SEC *dm_sec)
292 {
293     if (event == BTA_DM_BLE_KEY_EVT)
294         osi_free_and_reset((void **)&dm_sec->ble_key.p_key_value);
295 }
296 
btif_dm_init(uid_set_t * set)297 void btif_dm_init(uid_set_t* set)
298 {
299     uid_set = set;
300     pthread_mutex_init(&bond_event_lock, NULL);
301 }
302 
btif_dm_cleanup(void)303 void btif_dm_cleanup(void)
304 {
305     if (uid_set) {
306         uid_set_destroy(uid_set);
307         uid_set = NULL;
308     }
309     pthread_mutex_destroy(&bond_event_lock);
310 }
311 
btif_in_execute_service_request(tBTA_SERVICE_ID service_id,BOOLEAN b_enable)312 bt_status_t btif_in_execute_service_request(tBTA_SERVICE_ID service_id,
313                                                 BOOLEAN b_enable)
314 {
315     BTIF_TRACE_DEBUG("%s service_id: %d", __FUNCTION__, service_id);
316     /* Check the service_ID and invoke the profile's BT state changed API */
317     switch (service_id)
318     {
319          case BTA_HFP_SERVICE_ID:
320          case BTA_HSP_SERVICE_ID:
321          {
322               btif_hf_execute_service(b_enable);
323          }break;
324          case BTA_A2DP_SOURCE_SERVICE_ID:
325          {
326               btif_av_execute_service(b_enable);
327          }break;
328          case BTA_A2DP_SINK_SERVICE_ID:
329          {
330             btif_av_sink_execute_service(b_enable);
331          }break;
332          case BTA_HID_SERVICE_ID:
333          {
334               btif_hh_execute_service(b_enable);
335          }break;
336          case BTA_HFP_HS_SERVICE_ID:
337          {
338              btif_hf_client_execute_service(b_enable);
339          }break;
340          case BTA_SDP_SERVICE_ID:
341          {
342              btif_sdp_execute_service(b_enable);
343          }break;
344          default:
345            BTIF_TRACE_ERROR("%s: Unknown service %d being %s",
346                             __func__, service_id,
347                             (b_enable) ? "enabled" : "disabled");
348               return BT_STATUS_FAIL;
349     }
350     return BT_STATUS_SUCCESS;
351 }
352 
353 /*******************************************************************************
354 **
355 ** Function         check_eir_remote_name
356 **
357 ** Description      Check if remote name is in the EIR data
358 **
359 ** Returns          TRUE if remote name found
360 **                  Populate p_remote_name, if provided and remote name found
361 **
362 *******************************************************************************/
check_eir_remote_name(tBTA_DM_SEARCH * p_search_data,UINT8 * p_remote_name,UINT8 * p_remote_name_len)363 static BOOLEAN check_eir_remote_name(tBTA_DM_SEARCH *p_search_data,
364                             UINT8 *p_remote_name, UINT8 *p_remote_name_len)
365 {
366     UINT8 *p_eir_remote_name = NULL;
367     UINT8 remote_name_len = 0;
368 
369     /* Check EIR for remote name and services */
370     if (p_search_data->inq_res.p_eir)
371     {
372         p_eir_remote_name = BTM_CheckEirData(p_search_data->inq_res.p_eir,
373                 BTM_EIR_COMPLETE_LOCAL_NAME_TYPE, &remote_name_len);
374         if (!p_eir_remote_name)
375         {
376             p_eir_remote_name = BTM_CheckEirData(p_search_data->inq_res.p_eir,
377                     BTM_EIR_SHORTENED_LOCAL_NAME_TYPE, &remote_name_len);
378         }
379 
380         if (p_eir_remote_name)
381         {
382             if (remote_name_len > BD_NAME_LEN)
383                 remote_name_len = BD_NAME_LEN;
384 
385             if (p_remote_name && p_remote_name_len)
386             {
387                 memcpy(p_remote_name, p_eir_remote_name, remote_name_len);
388                 *(p_remote_name + remote_name_len) = 0;
389                 *p_remote_name_len = remote_name_len;
390             }
391 
392             return TRUE;
393         }
394     }
395 
396     return FALSE;
397 
398 }
399 
400 /*******************************************************************************
401 **
402 ** Function         check_cached_remote_name
403 **
404 ** Description      Check if remote name is in the NVRAM cache
405 **
406 ** Returns          TRUE if remote name found
407 **                  Populate p_remote_name, if provided and remote name found
408 **
409 *******************************************************************************/
check_cached_remote_name(tBTA_DM_SEARCH * p_search_data,UINT8 * p_remote_name,UINT8 * p_remote_name_len)410 static BOOLEAN check_cached_remote_name(tBTA_DM_SEARCH *p_search_data,
411                                 UINT8 *p_remote_name, UINT8 *p_remote_name_len)
412 {
413     bt_bdname_t bdname;
414     bt_bdaddr_t remote_bdaddr;
415     bt_property_t prop_name;
416 
417     /* check if we already have it in our btif_storage cache */
418     bdcpy(remote_bdaddr.address, p_search_data->inq_res.bd_addr);
419     BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_BDNAME,
420                                sizeof(bt_bdname_t), &bdname);
421     if (btif_storage_get_remote_device_property(
422         &remote_bdaddr, &prop_name) == BT_STATUS_SUCCESS)
423     {
424         if (p_remote_name && p_remote_name_len)
425         {
426             strcpy((char *)p_remote_name, (char *)bdname.name);
427             *p_remote_name_len = strlen((char *)p_remote_name);
428         }
429         return TRUE;
430     }
431 
432     return FALSE;
433 }
434 
get_cod(const bt_bdaddr_t * remote_bdaddr)435 static uint32_t get_cod(const bt_bdaddr_t *remote_bdaddr) {
436     uint32_t    remote_cod;
437     bt_property_t prop_name;
438 
439     /* check if we already have it in our btif_storage cache */
440     BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_CLASS_OF_DEVICE,
441                                sizeof(uint32_t), &remote_cod);
442     if (btif_storage_get_remote_device_property((bt_bdaddr_t *)remote_bdaddr, &prop_name) == BT_STATUS_SUCCESS)
443     {
444         LOG_INFO(LOG_TAG, "%s remote_cod = 0x%08x", __func__, remote_cod);
445         return remote_cod & COD_MASK;
446     }
447 
448     return 0;
449 }
450 
check_cod(const bt_bdaddr_t * remote_bdaddr,uint32_t cod)451 BOOLEAN check_cod(const bt_bdaddr_t *remote_bdaddr, uint32_t cod)
452 {
453     return get_cod(remote_bdaddr) == cod;
454 }
455 
check_cod_hid(const bt_bdaddr_t * remote_bdaddr)456 BOOLEAN check_cod_hid(const bt_bdaddr_t *remote_bdaddr)
457 {
458     return (get_cod(remote_bdaddr) & COD_HID_MASK) == COD_HID_MAJOR;
459 }
460 
check_hid_le(const bt_bdaddr_t * remote_bdaddr)461 BOOLEAN check_hid_le(const bt_bdaddr_t *remote_bdaddr)
462 {
463     uint32_t    remote_dev_type;
464     bt_property_t prop_name;
465 
466     /* check if we already have it in our btif_storage cache */
467     BTIF_STORAGE_FILL_PROPERTY(&prop_name,BT_PROPERTY_TYPE_OF_DEVICE,
468                                sizeof(uint32_t), &remote_dev_type);
469     if (btif_storage_get_remote_device_property((bt_bdaddr_t *)remote_bdaddr,
470                                 &prop_name) == BT_STATUS_SUCCESS)
471     {
472         if (remote_dev_type == BT_DEVICE_DEVTYPE_BLE)
473         {
474             bdstr_t bdstr;
475             bdaddr_to_string(remote_bdaddr, bdstr, sizeof(bdstr));
476             if(btif_config_exist(bdstr, "HidAppId"))
477                 return TRUE;
478         }
479     }
480     return FALSE;
481 }
482 
483 /*****************************************************************************
484 **
485 ** Function        check_sdp_bl
486 **
487 ** Description     Checks if a given device is blacklisted to skip sdp
488 **
489 ** Parameters     skip_sdp_entry
490 **
491 ** Returns         TRUE if the device is present in blacklist, else FALSE
492 **
493 *******************************************************************************/
check_sdp_bl(const bt_bdaddr_t * remote_bdaddr)494 BOOLEAN check_sdp_bl(const bt_bdaddr_t *remote_bdaddr)
495 {
496     UINT16 manufacturer = 0;
497     UINT8 lmp_ver = 0;
498     UINT16 lmp_subver = 0;
499     bt_property_t prop_name;
500     bt_remote_version_t info;
501 
502     if (remote_bdaddr == NULL)
503         return FALSE;
504 
505 /* fetch additional info about remote device used in iop query */
506     BTM_ReadRemoteVersion(*(BD_ADDR*)remote_bdaddr, &lmp_ver,
507                     &manufacturer, &lmp_subver);
508 
509  /* if not available yet, try fetching from config database */
510     BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_REMOTE_VERSION_INFO,
511                             sizeof(bt_remote_version_t), &info);
512 
513     if (btif_storage_get_remote_device_property((bt_bdaddr_t *)remote_bdaddr,
514                                               &prop_name) != BT_STATUS_SUCCESS)
515     {
516 
517         return FALSE;
518     }
519     manufacturer = info.manufacturer;
520 
521     for (unsigned int i = 0; i < ARRAY_SIZE(sdp_blacklist); i++)
522     {
523         if (manufacturer == sdp_blacklist[i].manufact_id)
524             return TRUE;
525     }
526     return FALSE;
527 }
528 
bond_state_changed(bt_status_t status,bt_bdaddr_t * bd_addr,bt_bond_state_t state)529 static void bond_state_changed(bt_status_t status, bt_bdaddr_t *bd_addr, bt_bond_state_t state)
530 {
531 
532     btif_stats_add_bond_event(bd_addr, BTIF_DM_FUNC_BOND_STATE_CHANGED, state);
533 
534     // Send bonding state only once - based on outgoing/incoming we may receive duplicates
535     if ((pairing_cb.state == state) && (state == BT_BOND_STATE_BONDING))
536     {
537         // Cross key pairing so send callback for static address
538         if (!bdaddr_is_empty(&pairing_cb.static_bdaddr))
539         {
540             HAL_CBACK(bt_hal_cbacks, bond_state_changed_cb, status, bd_addr, state);
541         }
542         return;
543     }
544 
545     if (pairing_cb.bond_type == BOND_TYPE_TEMPORARY)
546         state = BT_BOND_STATE_NONE;
547 
548     BTIF_TRACE_DEBUG("%s: state=%d, prev_state=%d, sdp_attempts = %d", __func__,
549                       state, pairing_cb.state, pairing_cb.sdp_attempts);
550 
551     HAL_CBACK(bt_hal_cbacks, bond_state_changed_cb, status, bd_addr, state);
552 
553     if (state == BT_BOND_STATE_BONDING)
554     {
555         pairing_cb.state = state;
556         bdcpy(pairing_cb.bd_addr, bd_addr->address);
557     } else {
558         if (!pairing_cb.sdp_attempts)
559             memset(&pairing_cb, 0, sizeof(pairing_cb));
560         else
561             BTIF_TRACE_DEBUG("%s: BR-EDR service discovery active", __func__);
562     }
563 }
564 
565 /* store remote version in bt config to always have access
566    to it post pairing*/
btif_update_remote_version_property(bt_bdaddr_t * p_bd)567 static void btif_update_remote_version_property(bt_bdaddr_t *p_bd)
568 {
569     bt_property_t property;
570     UINT8 lmp_ver = 0;
571     UINT16 lmp_subver = 0;
572     UINT16 mfct_set = 0;
573     tBTM_STATUS btm_status;
574     bt_remote_version_t info;
575     bt_status_t status;
576     bdstr_t bdstr;
577 
578     btm_status = BTM_ReadRemoteVersion(*(BD_ADDR*)p_bd, &lmp_ver,
579                           &mfct_set, &lmp_subver);
580 
581     LOG_DEBUG(LOG_TAG, "remote version info [%s]: %x, %x, %x", bdaddr_to_string(p_bd, bdstr, sizeof(bdstr)),
582                lmp_ver, mfct_set, lmp_subver);
583 
584     if (btm_status == BTM_SUCCESS)
585     {
586         // Always update cache to ensure we have availability whenever BTM API is not populated
587         info.manufacturer = mfct_set;
588         info.sub_ver = lmp_subver;
589         info.version = lmp_ver;
590         BTIF_STORAGE_FILL_PROPERTY(&property,
591                             BT_PROPERTY_REMOTE_VERSION_INFO, sizeof(bt_remote_version_t),
592                             &info);
593         status = btif_storage_set_remote_device_property(p_bd, &property);
594         ASSERTC(status == BT_STATUS_SUCCESS, "failed to save remote version", status);
595     }
596 }
597 
btif_update_remote_properties(BD_ADDR bd_addr,BD_NAME bd_name,DEV_CLASS dev_class,tBT_DEVICE_TYPE device_type)598 static void btif_update_remote_properties(BD_ADDR bd_addr, BD_NAME bd_name,
599                                           DEV_CLASS dev_class, tBT_DEVICE_TYPE device_type)
600 {
601     int num_properties = 0;
602     bt_property_t properties[3];
603     bt_bdaddr_t bdaddr;
604     bt_status_t status;
605     UINT32 cod;
606     bt_device_type_t dev_type;
607 
608     memset(properties, 0, sizeof(properties));
609     bdcpy(bdaddr.address, bd_addr);
610 
611     /* remote name */
612     if (strlen((const char *) bd_name))
613     {
614         BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
615                             BT_PROPERTY_BDNAME, strlen((char *)bd_name), bd_name);
616         status = btif_storage_set_remote_device_property(&bdaddr, &properties[num_properties]);
617         ASSERTC(status == BT_STATUS_SUCCESS, "failed to save remote device name", status);
618         num_properties++;
619     }
620 
621     /* class of device */
622     cod = devclass2uint(dev_class);
623     BTIF_TRACE_DEBUG("%s cod is 0x%06x", __func__, cod);
624     if ( cod == 0) {
625        /* Try to retrieve cod from storage */
626         BTIF_TRACE_DEBUG("%s cod is 0, checking cod from storage", __func__);
627         BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
628             BT_PROPERTY_CLASS_OF_DEVICE, sizeof(cod), &cod);
629         status = btif_storage_get_remote_device_property(&bdaddr, &properties[num_properties]);
630         BTIF_TRACE_DEBUG("%s cod retrieved from storage is 0x%06x", __func__, cod);
631         if ( cod == 0) {
632             BTIF_TRACE_DEBUG("%s cod is again 0, set as unclassified", __func__);
633             cod = COD_UNCLASSIFIED;
634         }
635     }
636 
637     BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
638                         BT_PROPERTY_CLASS_OF_DEVICE, sizeof(cod), &cod);
639     status = btif_storage_set_remote_device_property(&bdaddr, &properties[num_properties]);
640     ASSERTC(status == BT_STATUS_SUCCESS, "failed to save remote device class", status);
641     num_properties++;
642 
643     /* device type */
644     bt_property_t prop_name;
645     uint8_t remote_dev_type;
646     BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_TYPE_OF_DEVICE,
647                                 sizeof(uint8_t), &remote_dev_type);
648     if (btif_storage_get_remote_device_property(&bdaddr, &prop_name) == BT_STATUS_SUCCESS)
649          dev_type = remote_dev_type | device_type;
650     else
651          dev_type = device_type;
652 
653     BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
654                         BT_PROPERTY_TYPE_OF_DEVICE, sizeof(dev_type), &dev_type);
655     status = btif_storage_set_remote_device_property(&bdaddr, &properties[num_properties]);
656     ASSERTC(status == BT_STATUS_SUCCESS, "failed to save remote device type", status);
657     num_properties++;
658 
659     HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb,
660                      status, &bdaddr, num_properties, properties);
661 }
662 
663 /*******************************************************************************
664 **
665 ** Function         btif_dm_cb_hid_remote_name
666 **
667 ** Description      Remote name callback for HID device. Called in btif context
668 **                  Special handling for HID devices
669 **
670 ** Returns          void
671 **
672 *******************************************************************************/
btif_dm_cb_hid_remote_name(tBTM_REMOTE_DEV_NAME * p_remote_name)673 static void btif_dm_cb_hid_remote_name(tBTM_REMOTE_DEV_NAME *p_remote_name)
674 {
675     BTIF_TRACE_DEBUG("%s: status=%d pairing_cb.state=%d", __FUNCTION__, p_remote_name->status, pairing_cb.state);
676     if (pairing_cb.state == BT_BOND_STATE_BONDING)
677     {
678         bt_bdaddr_t remote_bd;
679 
680         bdcpy(remote_bd.address, pairing_cb.bd_addr);
681 
682         if (p_remote_name->status == BTM_SUCCESS)
683         {
684             bond_state_changed(BT_STATUS_SUCCESS, &remote_bd, BT_BOND_STATE_BONDED);
685         }
686         else
687             bond_state_changed(BT_STATUS_FAIL, &remote_bd, BT_BOND_STATE_NONE);
688     }
689 }
690 
691 /*******************************************************************************
692 **
693 ** Function         btif_dm_cb_create_bond
694 **
695 ** Description      Create bond initiated from the BTIF thread context
696 **                  Special handling for HID devices
697 **
698 ** Returns          void
699 **
700 *******************************************************************************/
btif_dm_cb_create_bond(bt_bdaddr_t * bd_addr,tBTA_TRANSPORT transport)701 static void btif_dm_cb_create_bond(bt_bdaddr_t *bd_addr, tBTA_TRANSPORT transport)
702 {
703     BOOLEAN is_hid = check_cod(bd_addr, COD_HID_POINTING);
704     bond_state_changed(BT_STATUS_SUCCESS, bd_addr, BT_BOND_STATE_BONDING);
705 
706 #if BLE_INCLUDED == TRUE
707     int device_type;
708     int addr_type;
709     bdstr_t bdstr;
710     bdaddr_to_string(bd_addr, bdstr, sizeof(bdstr));
711     if (transport == BT_TRANSPORT_LE)
712     {
713         if (!btif_config_get_int((char const *)&bdstr,"DevType", &device_type))
714         {
715             btif_config_set_int(bdstr, "DevType", BT_DEVICE_TYPE_BLE);
716         }
717         if (btif_storage_get_remote_addr_type(bd_addr, &addr_type) != BT_STATUS_SUCCESS)
718         {
719             btif_storage_set_remote_addr_type(bd_addr, BLE_ADDR_PUBLIC);
720         }
721     }
722     if((btif_config_get_int((char const *)&bdstr,"DevType", &device_type) &&
723        (btif_storage_get_remote_addr_type(bd_addr, &addr_type) == BT_STATUS_SUCCESS) &&
724        (device_type & BT_DEVICE_TYPE_BLE) == BT_DEVICE_TYPE_BLE) || (transport == BT_TRANSPORT_LE))
725     {
726         BTA_DmAddBleDevice(bd_addr->address, addr_type, device_type);
727     }
728 #endif
729 
730 #if BLE_INCLUDED == TRUE
731     if(is_hid && (device_type & BT_DEVICE_TYPE_BLE) == 0)
732 #else
733     if(is_hid)
734 #endif
735     {
736         int status;
737         status = btif_hh_connect(bd_addr);
738         if(status != BT_STATUS_SUCCESS)
739             bond_state_changed(status, bd_addr, BT_BOND_STATE_NONE);
740     }
741     else
742     {
743         BTA_DmBondByTransport((UINT8 *)bd_addr->address, transport);
744     }
745     /*  Track  originator of bond creation  */
746     pairing_cb.is_local_initiated = TRUE;
747 
748 }
749 
750 /*******************************************************************************
751 **
752 ** Function         btif_dm_cb_remove_bond
753 **
754 ** Description      remove bond initiated from the BTIF thread context
755 **                  Special handling for HID devices
756 **
757 ** Returns          void
758 **
759 *******************************************************************************/
btif_dm_cb_remove_bond(bt_bdaddr_t * bd_addr)760 void btif_dm_cb_remove_bond(bt_bdaddr_t *bd_addr)
761 {
762      /*special handling for HID devices */
763      /*  VUP needs to be sent if its a HID Device. The HID HOST module will check if there
764      is a valid hid connection with this bd_addr. If yes VUP will be issued.*/
765 #if (defined(BTA_HH_INCLUDED) && (BTA_HH_INCLUDED == TRUE))
766     if (btif_hh_virtual_unplug(bd_addr) != BT_STATUS_SUCCESS)
767 #endif
768     {
769          BTIF_TRACE_DEBUG("%s: Removing HH device", __func__);
770          BTA_DmRemoveDevice((UINT8 *)bd_addr->address);
771     }
772 }
773 
774 /*******************************************************************************
775 **
776 ** Function         btif_dm_get_connection_state
777 **
778 ** Description      Returns whether the remote device is currently connected
779 **                  and whether encryption is active for the connection
780 **
781 ** Returns          0 if not connected; 1 if connected and > 1 if connection is
782 **                  encrypted
783 **
784 *******************************************************************************/
btif_dm_get_connection_state(const bt_bdaddr_t * bd_addr)785 uint16_t btif_dm_get_connection_state(const bt_bdaddr_t *bd_addr)
786 {
787     uint8_t *bda = (uint8_t*)bd_addr->address;
788     uint16_t rc = BTA_DmGetConnectionState(bda);
789 
790     if (rc != 0)
791     {
792         uint8_t flags = 0;
793 
794         BTM_GetSecurityFlagsByTransport(bda, &flags, BT_TRANSPORT_BR_EDR);
795         BTIF_TRACE_DEBUG("%s: security flags (BR/EDR)=0x%02x", __FUNCTION__, flags);
796         if (flags & BTM_SEC_FLAG_ENCRYPTED)
797             rc |= ENCRYPTED_BREDR;
798 
799         BTM_GetSecurityFlagsByTransport(bda, &flags, BT_TRANSPORT_LE);
800         BTIF_TRACE_DEBUG("%s: security flags (LE)=0x%02x", __FUNCTION__, flags);
801         if (flags & BTM_SEC_FLAG_ENCRYPTED)
802             rc |= ENCRYPTED_LE;
803     }
804 
805     return rc;
806 }
807 
808 /*******************************************************************************
809 **
810 ** Function         search_devices_copy_cb
811 **
812 ** Description      Deep copy callback for search devices event
813 **
814 ** Returns          void
815 **
816 *******************************************************************************/
search_devices_copy_cb(UINT16 event,char * p_dest,char * p_src)817 static void search_devices_copy_cb(UINT16 event, char *p_dest, char *p_src)
818 {
819     tBTA_DM_SEARCH *p_dest_data =  (tBTA_DM_SEARCH *) p_dest;
820     tBTA_DM_SEARCH *p_src_data =  (tBTA_DM_SEARCH *) p_src;
821 
822     if (!p_src)
823         return;
824 
825     BTIF_TRACE_DEBUG("%s: event=%s", __FUNCTION__, dump_dm_search_event(event));
826     maybe_non_aligned_memcpy(p_dest_data, p_src_data, sizeof(*p_src_data));
827     switch (event)
828     {
829         case BTA_DM_INQ_RES_EVT:
830         {
831             if (p_src_data->inq_res.p_eir)
832             {
833                 p_dest_data->inq_res.p_eir = (UINT8 *)(p_dest + sizeof(tBTA_DM_SEARCH));
834                 memcpy(p_dest_data->inq_res.p_eir, p_src_data->inq_res.p_eir, HCI_EXT_INQ_RESPONSE_LEN);
835             }
836         }
837         break;
838 
839         case BTA_DM_DISC_RES_EVT:
840         {
841             if (p_src_data->disc_res.raw_data_size && p_src_data->disc_res.p_raw_data)
842             {
843                 p_dest_data->disc_res.p_raw_data = (UINT8 *)(p_dest + sizeof(tBTA_DM_SEARCH));
844                 memcpy(p_dest_data->disc_res.p_raw_data,
845                     p_src_data->disc_res.p_raw_data, p_src_data->disc_res.raw_data_size);
846             }
847         }
848         break;
849     }
850 }
851 
search_services_copy_cb(UINT16 event,char * p_dest,char * p_src)852 static void search_services_copy_cb(UINT16 event, char *p_dest, char *p_src)
853 {
854     tBTA_DM_SEARCH *p_dest_data =  (tBTA_DM_SEARCH *) p_dest;
855     tBTA_DM_SEARCH *p_src_data =  (tBTA_DM_SEARCH *) p_src;
856 
857     if (!p_src)
858         return;
859     maybe_non_aligned_memcpy(p_dest_data, p_src_data, sizeof(*p_src_data));
860     switch (event)
861     {
862          case BTA_DM_DISC_RES_EVT:
863          {
864               if (p_src_data->disc_res.result == BTA_SUCCESS)
865               {
866                   if (p_src_data->disc_res.num_uuids > 0)
867                   {
868                        p_dest_data->disc_res.p_uuid_list =
869                                                         (UINT8*)(p_dest + sizeof(tBTA_DM_SEARCH));
870                        memcpy(p_dest_data->disc_res.p_uuid_list, p_src_data->disc_res.p_uuid_list,
871                               p_src_data->disc_res.num_uuids*MAX_UUID_SIZE);
872                        osi_free_and_reset((void **)&p_src_data->disc_res.p_uuid_list);
873                   }
874                   osi_free_and_reset((void **)&p_src_data->disc_res.p_raw_data);
875               }
876          } break;
877     }
878 }
879 /******************************************************************************
880 **
881 **  BTIF DM callback events
882 **
883 *****************************************************************************/
884 
885 /*******************************************************************************
886 **
887 ** Function         btif_dm_pin_req_evt
888 **
889 ** Description      Executes pin request event in btif context
890 **
891 ** Returns          void
892 **
893 *******************************************************************************/
btif_dm_pin_req_evt(tBTA_DM_PIN_REQ * p_pin_req)894 static void btif_dm_pin_req_evt(tBTA_DM_PIN_REQ *p_pin_req)
895 {
896     bt_bdaddr_t bd_addr;
897     bt_bdname_t bd_name;
898     UINT32 cod;
899     bt_pin_code_t pin_code;
900     int dev_type;
901 
902     /* Remote properties update */
903     if (!btif_get_device_type(p_pin_req->bd_addr, &dev_type))
904     {
905         dev_type = BT_DEVICE_TYPE_BREDR;
906     }
907     btif_update_remote_properties(p_pin_req->bd_addr, p_pin_req->bd_name,
908                                   p_pin_req->dev_class, (tBT_DEVICE_TYPE) dev_type);
909 
910     bdcpy(bd_addr.address, p_pin_req->bd_addr);
911     memcpy(bd_name.name, p_pin_req->bd_name, BD_NAME_LEN);
912 
913     bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
914 
915     cod = devclass2uint(p_pin_req->dev_class);
916 
917     if (cod == 0) {
918         BTIF_TRACE_DEBUG("%s cod is 0, set as unclassified", __func__);
919         cod = COD_UNCLASSIFIED;
920     }
921 
922     /* check for auto pair possiblity only if bond was initiated by local device */
923     if (pairing_cb.is_local_initiated && (p_pin_req->min_16_digit == FALSE))
924     {
925         if (check_cod(&bd_addr, COD_AV_HEADSETS) ||
926             check_cod(&bd_addr, COD_AV_HANDSFREE) ||
927             check_cod(&bd_addr, COD_AV_HEADPHONES) ||
928             check_cod(&bd_addr, COD_AV_PORTABLE_AUDIO) ||
929             check_cod(&bd_addr, COD_AV_HIFI_AUDIO) ||
930             check_cod(&bd_addr, COD_HID_POINTING))
931         {
932             /*  Check if this device can be auto paired  */
933             if (!interop_match_addr(INTEROP_DISABLE_AUTO_PAIRING, &bd_addr) &&
934                 !interop_match_name(INTEROP_DISABLE_AUTO_PAIRING, (const char *)bd_name.name) &&
935                 (pairing_cb.autopair_attempts == 0))
936             {
937                 BTIF_TRACE_DEBUG("%s() Attempting auto pair", __FUNCTION__);
938                 pin_code.pin[0] = 0x30;
939                 pin_code.pin[1] = 0x30;
940                 pin_code.pin[2] = 0x30;
941                 pin_code.pin[3] = 0x30;
942 
943                 pairing_cb.autopair_attempts++;
944                 BTA_DmPinReply( (UINT8*)bd_addr.address, TRUE, 4, pin_code.pin);
945                 return;
946             }
947         }
948         else if (check_cod(&bd_addr, COD_HID_KEYBOARD) ||
949                  check_cod(&bd_addr, COD_HID_COMBO))
950         {
951             if ((interop_match_addr(INTEROP_KEYBOARD_REQUIRES_FIXED_PIN, &bd_addr) == TRUE) &&
952                 (pairing_cb.autopair_attempts == 0))
953             {
954                 BTIF_TRACE_DEBUG("%s() Attempting auto pair", __FUNCTION__);
955                 pin_code.pin[0] = 0x30;
956                 pin_code.pin[1] = 0x30;
957                 pin_code.pin[2] = 0x30;
958                 pin_code.pin[3] = 0x30;
959 
960                 pairing_cb.autopair_attempts++;
961                 BTA_DmPinReply( (UINT8*)bd_addr.address, TRUE, 4, pin_code.pin);
962                 return;
963             }
964         }
965     }
966     HAL_CBACK(bt_hal_cbacks, pin_request_cb,
967                      &bd_addr, &bd_name, cod, p_pin_req->min_16_digit);
968 }
969 
970 /*******************************************************************************
971 **
972 ** Function         btif_dm_ssp_cfm_req_evt
973 **
974 ** Description      Executes SSP confirm request event in btif context
975 **
976 ** Returns          void
977 **
978 *******************************************************************************/
btif_dm_ssp_cfm_req_evt(tBTA_DM_SP_CFM_REQ * p_ssp_cfm_req)979 static void btif_dm_ssp_cfm_req_evt(tBTA_DM_SP_CFM_REQ *p_ssp_cfm_req)
980 {
981     bt_bdaddr_t bd_addr;
982     bt_bdname_t bd_name;
983     UINT32 cod;
984     BOOLEAN is_incoming = !(pairing_cb.state == BT_BOND_STATE_BONDING);
985     int dev_type;
986 
987     BTIF_TRACE_DEBUG("%s", __FUNCTION__);
988 
989     /* Remote properties update */
990     if (!btif_get_device_type(p_ssp_cfm_req->bd_addr, &dev_type))
991     {
992         dev_type = BT_DEVICE_TYPE_BREDR;
993     }
994     btif_update_remote_properties(p_ssp_cfm_req->bd_addr, p_ssp_cfm_req->bd_name,
995                                   p_ssp_cfm_req->dev_class, (tBT_DEVICE_TYPE) dev_type);
996 
997     bdcpy(bd_addr.address, p_ssp_cfm_req->bd_addr);
998     memcpy(bd_name.name, p_ssp_cfm_req->bd_name, BD_NAME_LEN);
999 
1000     /* Set the pairing_cb based on the local & remote authentication requirements */
1001     bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
1002 
1003     /* if just_works and bonding bit is not set treat this as temporary */
1004     if (p_ssp_cfm_req->just_works && !(p_ssp_cfm_req->loc_auth_req & BTM_AUTH_BONDS) &&
1005         !(p_ssp_cfm_req->rmt_auth_req & BTM_AUTH_BONDS) &&
1006         !(check_cod((bt_bdaddr_t*)&p_ssp_cfm_req->bd_addr, COD_HID_POINTING)))
1007         pairing_cb.bond_type = BOND_TYPE_TEMPORARY;
1008     else
1009         pairing_cb.bond_type = BOND_TYPE_PERSISTENT;
1010 
1011     btm_set_bond_type_dev(p_ssp_cfm_req->bd_addr, pairing_cb.bond_type);
1012 
1013     pairing_cb.is_ssp = TRUE;
1014 
1015     /* If JustWorks auto-accept */
1016     if (p_ssp_cfm_req->just_works)
1017     {
1018         /* Pairing consent for JustWorks needed if:
1019          * 1. Incoming (non-temporary) pairing is detected AND
1020          * 2. local IO capabilities are DisplayYesNo AND
1021          * 3. remote IO capabiltiies are DisplayOnly or NoInputNoOutput;
1022          */
1023         if (is_incoming && pairing_cb.bond_type != BOND_TYPE_TEMPORARY &&
1024                ((p_ssp_cfm_req->loc_io_caps == HCI_IO_CAP_DISPLAY_YESNO) &&
1025                 (p_ssp_cfm_req->rmt_io_caps == HCI_IO_CAP_DISPLAY_ONLY ||
1026                  p_ssp_cfm_req->rmt_io_caps == HCI_IO_CAP_NO_IO)))
1027         {
1028             BTIF_TRACE_EVENT("%s: User consent needed for incoming pairing request. loc_io_caps: %d, rmt_io_caps: %d",
1029                 __FUNCTION__, p_ssp_cfm_req->loc_io_caps, p_ssp_cfm_req->rmt_io_caps);
1030         }
1031         else
1032         {
1033             BTIF_TRACE_EVENT("%s: Auto-accept JustWorks pairing", __FUNCTION__);
1034             btif_dm_ssp_reply(&bd_addr, BT_SSP_VARIANT_CONSENT, TRUE, 0);
1035             return;
1036         }
1037     }
1038 
1039     cod = devclass2uint(p_ssp_cfm_req->dev_class);
1040 
1041     if (cod == 0) {
1042         LOG_DEBUG(LOG_TAG, "%s cod is 0, set as unclassified", __func__);
1043         cod = COD_UNCLASSIFIED;
1044     }
1045 
1046     pairing_cb.sdp_attempts = 0;
1047     HAL_CBACK(bt_hal_cbacks, ssp_request_cb, &bd_addr, &bd_name, cod,
1048                      (p_ssp_cfm_req->just_works ? BT_SSP_VARIANT_CONSENT : BT_SSP_VARIANT_PASSKEY_CONFIRMATION),
1049                      p_ssp_cfm_req->num_val);
1050 }
1051 
btif_dm_ssp_key_notif_evt(tBTA_DM_SP_KEY_NOTIF * p_ssp_key_notif)1052 static void btif_dm_ssp_key_notif_evt(tBTA_DM_SP_KEY_NOTIF *p_ssp_key_notif)
1053 {
1054     bt_bdaddr_t bd_addr;
1055     bt_bdname_t bd_name;
1056     UINT32 cod;
1057     int dev_type;
1058 
1059     BTIF_TRACE_DEBUG("%s", __FUNCTION__);
1060 
1061     /* Remote properties update */
1062     if (!btif_get_device_type(p_ssp_key_notif->bd_addr, &dev_type))
1063     {
1064         dev_type = BT_DEVICE_TYPE_BREDR;
1065     }
1066     btif_update_remote_properties(p_ssp_key_notif->bd_addr, p_ssp_key_notif->bd_name,
1067                                   p_ssp_key_notif->dev_class, (tBT_DEVICE_TYPE) dev_type);
1068 
1069     bdcpy(bd_addr.address, p_ssp_key_notif->bd_addr);
1070     memcpy(bd_name.name, p_ssp_key_notif->bd_name, BD_NAME_LEN);
1071 
1072     bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
1073     pairing_cb.is_ssp = TRUE;
1074     cod = devclass2uint(p_ssp_key_notif->dev_class);
1075 
1076     if (cod == 0) {
1077         LOG_DEBUG(LOG_TAG, "%s cod is 0, set as unclassified", __func__);
1078         cod = COD_UNCLASSIFIED;
1079     }
1080 
1081     HAL_CBACK(bt_hal_cbacks, ssp_request_cb, &bd_addr, &bd_name,
1082                      cod, BT_SSP_VARIANT_PASSKEY_NOTIFICATION,
1083                      p_ssp_key_notif->passkey);
1084 }
1085 /*******************************************************************************
1086 **
1087 ** Function         btif_dm_auth_cmpl_evt
1088 **
1089 ** Description      Executes authentication complete event in btif context
1090 **
1091 ** Returns          void
1092 **
1093 *******************************************************************************/
btif_dm_auth_cmpl_evt(tBTA_DM_AUTH_CMPL * p_auth_cmpl)1094 static void btif_dm_auth_cmpl_evt (tBTA_DM_AUTH_CMPL *p_auth_cmpl)
1095 {
1096     /* Save link key, if not temporary */
1097     bt_bdaddr_t bd_addr;
1098     bt_status_t status = BT_STATUS_FAIL;
1099     bt_bond_state_t state = BT_BOND_STATE_NONE;
1100     BOOLEAN skip_sdp = FALSE;
1101 
1102     BTIF_TRACE_DEBUG("%s: bond state=%d", __func__, pairing_cb.state);
1103 
1104     bdcpy(bd_addr.address, p_auth_cmpl->bd_addr);
1105     if ( (p_auth_cmpl->success == TRUE) && (p_auth_cmpl->key_present) )
1106     {
1107         if ((p_auth_cmpl->key_type < HCI_LKEY_TYPE_DEBUG_COMB) ||
1108             (p_auth_cmpl->key_type == HCI_LKEY_TYPE_AUTH_COMB) ||
1109             (p_auth_cmpl->key_type == HCI_LKEY_TYPE_CHANGED_COMB) ||
1110             (p_auth_cmpl->key_type == HCI_LKEY_TYPE_AUTH_COMB_P_256) ||
1111             pairing_cb.bond_type == BOND_TYPE_PERSISTENT)
1112         {
1113             bt_status_t ret;
1114             BTIF_TRACE_DEBUG("%s: Storing link key. key_type=0x%x, bond_type=%d",
1115                 __FUNCTION__, p_auth_cmpl->key_type, pairing_cb.bond_type);
1116             ret = btif_storage_add_bonded_device(&bd_addr,
1117                                 p_auth_cmpl->key, p_auth_cmpl->key_type,
1118                                 pairing_cb.pin_code_len);
1119             ASSERTC(ret == BT_STATUS_SUCCESS, "storing link key failed", ret);
1120         }
1121         else
1122         {
1123             BTIF_TRACE_DEBUG("%s: Temporary key. Not storing. key_type=0x%x, bond_type=%d",
1124                 __FUNCTION__, p_auth_cmpl->key_type, pairing_cb.bond_type);
1125             if(pairing_cb.bond_type == BOND_TYPE_TEMPORARY)
1126             {
1127                 BTIF_TRACE_DEBUG("%s: sending BT_BOND_STATE_NONE for Temp pairing",
1128                         __FUNCTION__);
1129                 btif_storage_remove_bonded_device(&bd_addr);
1130                 bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_NONE);
1131                 return;
1132             }
1133         }
1134     }
1135 
1136     // We could have received a new link key without going through the pairing flow.
1137     // If so, we don't want to perform SDP or any other operations on the authenticated
1138     // device.
1139     if (bdcmp(p_auth_cmpl->bd_addr, pairing_cb.bd_addr) != 0) {
1140       char address[32];
1141       bt_bdaddr_t bt_bdaddr;
1142 
1143       memcpy(bt_bdaddr.address, p_auth_cmpl->bd_addr,
1144              sizeof(bt_bdaddr.address));
1145       bdaddr_to_string(&bt_bdaddr, address, sizeof(address));
1146       LOG_INFO(LOG_TAG, "%s skipping SDP since we did not initiate pairing to %s.", __func__, address);
1147       return;
1148     }
1149 
1150     // Skip SDP for certain  HID Devices
1151     if (p_auth_cmpl->success)
1152     {
1153 #if BLE_INCLUDED == TRUE
1154         btif_storage_set_remote_addr_type(&bd_addr, p_auth_cmpl->addr_type);
1155 #endif
1156         btif_update_remote_properties(p_auth_cmpl->bd_addr,
1157                                       p_auth_cmpl->bd_name, NULL, p_auth_cmpl->dev_type);
1158         pairing_cb.timeout_retries = 0;
1159         status = BT_STATUS_SUCCESS;
1160         state = BT_BOND_STATE_BONDED;
1161         bdcpy(bd_addr.address, p_auth_cmpl->bd_addr);
1162 
1163         if (check_sdp_bl(&bd_addr) && check_cod_hid(&bd_addr))
1164         {
1165             LOG_WARN(LOG_TAG, "%s:skip SDP", __FUNCTION__);
1166             skip_sdp = TRUE;
1167         }
1168         if(!pairing_cb.is_local_initiated && skip_sdp)
1169         {
1170             bond_state_changed(status, &bd_addr, state);
1171 
1172             LOG_WARN(LOG_TAG, "%s: Incoming HID Connection",__FUNCTION__);
1173             bt_property_t prop;
1174             bt_bdaddr_t bd_addr;
1175             bt_uuid_t  uuid;
1176             char uuid_str[128] = UUID_HUMAN_INTERFACE_DEVICE;
1177 
1178             string_to_uuid(uuid_str, &uuid);
1179 
1180             prop.type = BT_PROPERTY_UUIDS;
1181             prop.val = uuid.uu;
1182             prop.len = MAX_UUID_SIZE;
1183 
1184             /* Send the event to the BTIF */
1185             HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb,
1186                              BT_STATUS_SUCCESS, &bd_addr, 1, &prop);
1187         }
1188         else
1189         {
1190 #if BLE_INCLUDED == TRUE
1191             BOOLEAN is_crosskey = FALSE;
1192             /* If bonded due to cross-key, save the static address too*/
1193             if(pairing_cb.state == BT_BOND_STATE_BONDING &&
1194               (bdcmp(p_auth_cmpl->bd_addr, pairing_cb.bd_addr) != 0))
1195             {
1196                 BTIF_TRACE_DEBUG("%s: bonding initiated due to cross key, adding static address",
1197                                  __func__);
1198                 bdcpy(pairing_cb.static_bdaddr.address, p_auth_cmpl->bd_addr);
1199                 is_crosskey = TRUE;
1200             }
1201             if (!is_crosskey || !(stack_config_get_interface()->get_pts_crosskey_sdp_disable()))
1202             {
1203 #endif
1204 
1205                 // Ensure inquiry is stopped before attempting service discovery
1206                 btif_dm_cancel_discovery();
1207 
1208                 /* Trigger SDP on the device */
1209                 pairing_cb.sdp_attempts = 1;
1210                 btif_dm_get_remote_services(&bd_addr);
1211 #if BLE_INCLUDED == TRUE
1212             }
1213 #endif
1214         }
1215         // Do not call bond_state_changed_cb yet. Wait until remote service discovery is complete
1216     }
1217     else
1218     {
1219         // Map the HCI fail reason  to  bt status
1220         switch(p_auth_cmpl->fail_reason)
1221         {
1222             case HCI_ERR_PAGE_TIMEOUT:
1223                 if (interop_match_addr(INTEROP_AUTO_RETRY_PAIRING, &bd_addr)
1224                     && pairing_cb.timeout_retries)
1225                 {
1226                     BTIF_TRACE_WARNING("%s() - Pairing timeout; retrying (%d) ...", __FUNCTION__, pairing_cb.timeout_retries);
1227                     --pairing_cb.timeout_retries;
1228                     btif_dm_cb_create_bond (&bd_addr, BTA_TRANSPORT_UNKNOWN);
1229                     return;
1230                 }
1231                 /* Fall-through */
1232             case HCI_ERR_CONNECTION_TOUT:
1233                 status =  BT_STATUS_RMT_DEV_DOWN;
1234                 break;
1235 
1236             case HCI_ERR_PAIRING_NOT_ALLOWED:
1237                 status = BT_STATUS_AUTH_REJECTED;
1238                 break;
1239 
1240             case HCI_ERR_LMP_RESPONSE_TIMEOUT:
1241                 status =  BT_STATUS_AUTH_FAILURE;
1242                 break;
1243 
1244             /* map the auth failure codes, so we can retry pairing if necessary */
1245             case HCI_ERR_AUTH_FAILURE:
1246             case HCI_ERR_KEY_MISSING:
1247                 btif_storage_remove_bonded_device(&bd_addr);
1248             case HCI_ERR_HOST_REJECT_SECURITY:
1249             case HCI_ERR_ENCRY_MODE_NOT_ACCEPTABLE:
1250             case HCI_ERR_UNIT_KEY_USED:
1251             case HCI_ERR_PAIRING_WITH_UNIT_KEY_NOT_SUPPORTED:
1252             case HCI_ERR_INSUFFCIENT_SECURITY:
1253             case HCI_ERR_PEER_USER:
1254             case HCI_ERR_UNSPECIFIED:
1255                 BTIF_TRACE_DEBUG(" %s() Authentication fail reason %d",
1256                     __FUNCTION__, p_auth_cmpl->fail_reason);
1257                 if (pairing_cb.autopair_attempts  == 1)
1258                 {
1259                     /* Create the Bond once again */
1260                     BTIF_TRACE_WARNING("%s() auto pair failed. Reinitiate Bond", __FUNCTION__);
1261                     btif_dm_cb_create_bond (&bd_addr, BTA_TRANSPORT_UNKNOWN);
1262                     return;
1263                 }
1264                 else
1265                 {
1266                     /* if autopair attempts are more than 1, or not attempted */
1267                     status =  BT_STATUS_AUTH_FAILURE;
1268                 }
1269                 break;
1270 
1271             default:
1272                 status =  BT_STATUS_FAIL;
1273         }
1274         /* Special Handling for HID Devices */
1275         if (check_cod(&bd_addr, COD_HID_POINTING)) {
1276             /* Remove Device as bonded in nvram as authentication failed */
1277             BTIF_TRACE_DEBUG("%s(): removing hid pointing device from nvram", __FUNCTION__);
1278             btif_storage_remove_bonded_device(&bd_addr);
1279         }
1280         bond_state_changed(status, &bd_addr, state);
1281     }
1282 }
1283 
1284 /******************************************************************************
1285 **
1286 ** Function         btif_dm_search_devices_evt
1287 **
1288 ** Description      Executes search devices callback events in btif context
1289 **
1290 ** Returns          void
1291 **
1292 ******************************************************************************/
btif_dm_search_devices_evt(UINT16 event,char * p_param)1293 static void btif_dm_search_devices_evt (UINT16 event, char *p_param)
1294 {
1295     tBTA_DM_SEARCH *p_search_data;
1296     BTIF_TRACE_EVENT("%s event=%s", __FUNCTION__, dump_dm_search_event(event));
1297 
1298     switch (event)
1299     {
1300         case BTA_DM_DISC_RES_EVT:
1301         {
1302             p_search_data = (tBTA_DM_SEARCH *)p_param;
1303             /* Remote name update */
1304             if (strlen((const char *) p_search_data->disc_res.bd_name))
1305             {
1306                 bt_property_t properties[1];
1307                 bt_bdaddr_t bdaddr;
1308                 bt_status_t status;
1309 
1310                 properties[0].type = BT_PROPERTY_BDNAME;
1311                 properties[0].val = p_search_data->disc_res.bd_name;
1312                 properties[0].len = strlen((char *)p_search_data->disc_res.bd_name);
1313                 bdcpy(bdaddr.address, p_search_data->disc_res.bd_addr);
1314 
1315                 status = btif_storage_set_remote_device_property(&bdaddr, &properties[0]);
1316                 ASSERTC(status == BT_STATUS_SUCCESS, "failed to save remote device property", status);
1317                 HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb,
1318                                  status, &bdaddr, 1, properties);
1319             }
1320             /* TODO: Services? */
1321         }
1322         break;
1323 
1324         case BTA_DM_INQ_RES_EVT:
1325         {
1326             /* inquiry result */
1327             UINT32 cod;
1328             bt_bdname_t bdname;
1329             bt_bdaddr_t bdaddr;
1330             UINT8 remote_name_len;
1331             tBTA_SERVICE_MASK services = 0;
1332             bdstr_t bdstr;
1333 
1334             p_search_data = (tBTA_DM_SEARCH *)p_param;
1335             bdcpy(bdaddr.address, p_search_data->inq_res.bd_addr);
1336 
1337             BTIF_TRACE_DEBUG("%s() %s device_type = 0x%x\n", __FUNCTION__, bdaddr_to_string(&bdaddr, bdstr, sizeof(bdstr)),
1338 #if (BLE_INCLUDED == TRUE)
1339                     p_search_data->inq_res.device_type);
1340 #else
1341                     BT_DEVICE_TYPE_BREDR);
1342 #endif
1343             bdname.name[0] = 0;
1344 
1345             cod = devclass2uint (p_search_data->inq_res.dev_class);
1346 
1347             if (cod == 0) {
1348                 LOG_DEBUG(LOG_TAG, "%s cod is 0, set as unclassified", __func__);
1349                 cod = COD_UNCLASSIFIED;
1350             }
1351 
1352             if (!check_eir_remote_name(p_search_data, bdname.name, &remote_name_len))
1353                 check_cached_remote_name(p_search_data, bdname.name, &remote_name_len);
1354 
1355             /* Check EIR for remote name and services */
1356             if (p_search_data->inq_res.p_eir)
1357             {
1358                 BTA_GetEirService(p_search_data->inq_res.p_eir, &services);
1359                 BTIF_TRACE_DEBUG("%s()EIR BTA services = %08X", __FUNCTION__, (UINT32)services);
1360                 /* TODO:  Get the service list and check to see which uuids we got and send it back to the client. */
1361             }
1362 
1363             {
1364                 bt_property_t properties[5];
1365                 bt_device_type_t dev_type;
1366                 uint32_t num_properties = 0;
1367                 bt_status_t status;
1368                 int addr_type = 0;
1369 
1370                 memset(properties, 0, sizeof(properties));
1371                 /* BD_ADDR */
1372                 BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
1373                                     BT_PROPERTY_BDADDR, sizeof(bdaddr), &bdaddr);
1374                 num_properties++;
1375                 /* BD_NAME */
1376                 /* Don't send BDNAME if it is empty */
1377                 if (bdname.name[0])
1378                 {
1379                     BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
1380                                                BT_PROPERTY_BDNAME,
1381                                                strlen((char *)bdname.name), &bdname);
1382                     num_properties++;
1383                 }
1384 
1385                 /* DEV_CLASS */
1386                 BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
1387                                     BT_PROPERTY_CLASS_OF_DEVICE, sizeof(cod), &cod);
1388                 num_properties++;
1389                 /* DEV_TYPE */
1390 #if (defined(BLE_INCLUDED) && (BLE_INCLUDED == TRUE))
1391                 /* FixMe: Assumption is that bluetooth.h and BTE enums match */
1392 
1393                 /* Verify if the device is dual mode in NVRAM */
1394                 int stored_device_type = 0;
1395                 if (btif_get_device_type(bdaddr.address, &stored_device_type) &&
1396                     ((stored_device_type != BT_DEVICE_TYPE_BREDR &&
1397                         p_search_data->inq_res.device_type == BT_DEVICE_TYPE_BREDR) ||
1398                      (stored_device_type != BT_DEVICE_TYPE_BLE &&
1399                         p_search_data->inq_res.device_type == BT_DEVICE_TYPE_BLE))) {
1400                     dev_type = BT_DEVICE_TYPE_DUMO;
1401                 } else {
1402                     dev_type = p_search_data->inq_res.device_type;
1403                 }
1404 
1405                 if (p_search_data->inq_res.device_type == BT_DEVICE_TYPE_BLE)
1406                     addr_type = p_search_data->inq_res.ble_addr_type;
1407 #else
1408                 dev_type = BT_DEVICE_TYPE_BREDR;
1409 #endif
1410                 BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
1411                                     BT_PROPERTY_TYPE_OF_DEVICE, sizeof(dev_type), &dev_type);
1412                 num_properties++;
1413                 /* RSSI */
1414                 BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
1415                                     BT_PROPERTY_REMOTE_RSSI, sizeof(int8_t),
1416                                     &(p_search_data->inq_res.rssi));
1417                 num_properties++;
1418 
1419                 status = btif_storage_add_remote_device(&bdaddr, num_properties, properties);
1420                 ASSERTC(status == BT_STATUS_SUCCESS, "failed to save remote device (inquiry)", status);
1421 #if (defined(BLE_INCLUDED) && (BLE_INCLUDED == TRUE))
1422                 status = btif_storage_set_remote_addr_type(&bdaddr, addr_type);
1423                 ASSERTC(status == BT_STATUS_SUCCESS, "failed to save remote addr type (inquiry)", status);
1424 #endif
1425                 /* Callback to notify upper layer of device */
1426                 HAL_CBACK(bt_hal_cbacks, device_found_cb,
1427                                  num_properties, properties);
1428             }
1429         }
1430         break;
1431 
1432         case BTA_DM_INQ_CMPL_EVT:
1433         {
1434 #if (defined(BLE_INCLUDED) && (BLE_INCLUDED == TRUE))
1435             tBTA_DM_BLE_PF_FILT_PARAMS adv_filt_param;
1436             memset(&adv_filt_param, 0, sizeof(tBTA_DM_BLE_PF_FILT_PARAMS));
1437             BTA_DmBleScanFilterSetup(BTA_DM_BLE_SCAN_COND_DELETE, 0, &adv_filt_param, NULL,
1438                                      bte_scan_filt_param_cfg_evt, 0);
1439 #endif
1440         }
1441         break;
1442         case BTA_DM_DISC_CMPL_EVT:
1443         {
1444             HAL_CBACK(bt_hal_cbacks, discovery_state_changed_cb, BT_DISCOVERY_STOPPED);
1445         }
1446         break;
1447         case BTA_DM_SEARCH_CANCEL_CMPL_EVT:
1448         {
1449            /* if inquiry is not in progress and we get a cancel event, then
1450             * it means we are done with inquiry, but remote_name fetches are in
1451             * progress
1452             *
1453             * if inquiry  is in progress, then we don't want to act on this cancel_cmpl_evt
1454             * but instead wait for the cancel_cmpl_evt via the Busy Level
1455             *
1456             */
1457            if (btif_dm_inquiry_in_progress == FALSE)
1458            {
1459 #if (defined(BLE_INCLUDED) && (BLE_INCLUDED == TRUE))
1460                tBTA_DM_BLE_PF_FILT_PARAMS adv_filt_param;
1461                memset(&adv_filt_param, 0, sizeof(tBTA_DM_BLE_PF_FILT_PARAMS));
1462                BTA_DmBleScanFilterSetup(BTA_DM_BLE_SCAN_COND_DELETE, 0, &adv_filt_param, NULL,
1463                                         bte_scan_filt_param_cfg_evt, 0);
1464 #endif
1465                HAL_CBACK(bt_hal_cbacks, discovery_state_changed_cb, BT_DISCOVERY_STOPPED);
1466            }
1467         }
1468         break;
1469     }
1470 }
1471 
1472 /*******************************************************************************
1473 **
1474 ** Function         btif_dm_search_services_evt
1475 **
1476 ** Description      Executes search services event in btif context
1477 **
1478 ** Returns          void
1479 **
1480 *******************************************************************************/
btif_dm_search_services_evt(UINT16 event,char * p_param)1481 static void btif_dm_search_services_evt(UINT16 event, char *p_param)
1482 {
1483     tBTA_DM_SEARCH *p_data = (tBTA_DM_SEARCH*)p_param;
1484 
1485     BTIF_TRACE_EVENT("%s:  event = %d", __FUNCTION__, event);
1486     switch (event)
1487     {
1488         case BTA_DM_DISC_RES_EVT:
1489         {
1490             bt_property_t prop;
1491             uint32_t i = 0;
1492             bt_bdaddr_t bd_addr;
1493             bt_status_t ret;
1494 
1495             bdcpy(bd_addr.address, p_data->disc_res.bd_addr);
1496 
1497             BTIF_TRACE_DEBUG("%s:(result=0x%x, services 0x%x)", __FUNCTION__,
1498                     p_data->disc_res.result, p_data->disc_res.services);
1499             if  ((p_data->disc_res.result != BTA_SUCCESS) &&
1500                  (pairing_cb.state == BT_BOND_STATE_BONDING ) &&
1501                  (pairing_cb.sdp_attempts < BTIF_DM_MAX_SDP_ATTEMPTS_AFTER_PAIRING))
1502             {
1503                 BTIF_TRACE_WARNING("%s:SDP failed after bonding re-attempting", __FUNCTION__);
1504                 pairing_cb.sdp_attempts++;
1505                 btif_dm_get_remote_services(&bd_addr);
1506                 return;
1507             }
1508             prop.type = BT_PROPERTY_UUIDS;
1509             prop.len = 0;
1510             if ((p_data->disc_res.result == BTA_SUCCESS) && (p_data->disc_res.num_uuids > 0))
1511             {
1512                  prop.val = p_data->disc_res.p_uuid_list;
1513                  prop.len = p_data->disc_res.num_uuids * MAX_UUID_SIZE;
1514                  for (i=0; i < p_data->disc_res.num_uuids; i++)
1515                  {
1516                       char temp[256];
1517                       uuid_to_string_legacy((bt_uuid_t*)(p_data->disc_res.p_uuid_list + (i*MAX_UUID_SIZE)), temp);
1518                       LOG_INFO(LOG_TAG, "%s index:%d uuid:%s", __func__, i, temp);
1519                  }
1520             }
1521 
1522             /* onUuidChanged requires getBondedDevices to be populated.
1523             ** bond_state_changed needs to be sent prior to remote_device_property
1524             */
1525             if ((pairing_cb.state == BT_BOND_STATE_BONDING) &&
1526                 ((bdcmp(p_data->disc_res.bd_addr, pairing_cb.bd_addr) == 0) ||
1527                  (bdcmp(p_data->disc_res.bd_addr, pairing_cb.static_bdaddr.address) == 0)) &&
1528                   pairing_cb.sdp_attempts > 0)
1529             {
1530                  BTIF_TRACE_DEBUG("%s Remote Service SDP done. Call bond_state_changed_cb BONDED",
1531                                    __FUNCTION__);
1532                  pairing_cb.sdp_attempts  = 0;
1533 
1534                  // If bonding occured due to cross-key pairing, send bonding callback
1535                  // for static address now
1536                  if (bdcmp(p_data->disc_res.bd_addr, pairing_cb.static_bdaddr.address) == 0)
1537                     bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
1538 
1539                  bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDED);
1540             }
1541 
1542             if (p_data->disc_res.num_uuids != 0)
1543             {
1544                 /* Also write this to the NVRAM */
1545                 ret = btif_storage_set_remote_device_property(&bd_addr, &prop);
1546                 ASSERTC(ret == BT_STATUS_SUCCESS, "storing remote services failed", ret);
1547                 /* Send the event to the BTIF */
1548                 HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb,
1549                                  BT_STATUS_SUCCESS, &bd_addr, 1, &prop);
1550             }
1551         }
1552         break;
1553 
1554         case BTA_DM_DISC_CMPL_EVT:
1555             /* fixme */
1556         break;
1557 
1558 #if (defined(BLE_INCLUDED) && (BLE_INCLUDED == TRUE))
1559         case BTA_DM_DISC_BLE_RES_EVT:
1560              BTIF_TRACE_DEBUG("%s:, services 0x%x)", __FUNCTION__,
1561                                 p_data->disc_ble_res.service.uu.uuid16);
1562              bt_uuid_t  uuid;
1563              int i = 0;
1564              int j = 15;
1565              if (p_data->disc_ble_res.service.uu.uuid16 == UUID_SERVCLASS_LE_HID)
1566              {
1567                 BTIF_TRACE_DEBUG("%s: Found HOGP UUID",__FUNCTION__);
1568                 bt_property_t prop;
1569                 bt_bdaddr_t bd_addr;
1570                 char temp[256];
1571                 bt_status_t ret;
1572 
1573                 bta_gatt_convert_uuid16_to_uuid128(uuid.uu,p_data->disc_ble_res.service.uu.uuid16);
1574 
1575                 while(i < j )
1576                 {
1577                     unsigned char c = uuid.uu[j];
1578                     uuid.uu[j] = uuid.uu[i];
1579                     uuid.uu[i] = c;
1580                     i++;
1581                     j--;
1582                 }
1583 
1584                 uuid_to_string_legacy(&uuid, temp);
1585                 LOG_INFO(LOG_TAG, "%s uuid:%s", __func__, temp);
1586 
1587                 bdcpy(bd_addr.address, p_data->disc_ble_res.bd_addr);
1588                 prop.type = BT_PROPERTY_UUIDS;
1589                 prop.val = uuid.uu;
1590                 prop.len = MAX_UUID_SIZE;
1591 
1592                 /* Also write this to the NVRAM */
1593                 ret = btif_storage_set_remote_device_property(&bd_addr, &prop);
1594                 ASSERTC(ret == BT_STATUS_SUCCESS, "storing remote services failed", ret);
1595 
1596                 /* Send the event to the BTIF */
1597                 HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb,
1598                                  BT_STATUS_SUCCESS, &bd_addr, 1, &prop);
1599 
1600             }
1601         break;
1602 #endif /* BLE_INCLUDED */
1603 
1604         default:
1605         {
1606             ASSERTC(0, "unhandled search services event", event);
1607         }
1608         break;
1609     }
1610 }
1611 
1612 /*******************************************************************************
1613 **
1614 ** Function         btif_dm_remote_service_record_evt
1615 **
1616 ** Description      Executes search service record event in btif context
1617 **
1618 ** Returns          void
1619 **
1620 *******************************************************************************/
btif_dm_remote_service_record_evt(UINT16 event,char * p_param)1621 static void btif_dm_remote_service_record_evt(UINT16 event, char *p_param)
1622 {
1623     tBTA_DM_SEARCH *p_data = (tBTA_DM_SEARCH*)p_param;
1624 
1625     BTIF_TRACE_EVENT("%s:  event = %d", __FUNCTION__, event);
1626     switch (event)
1627     {
1628         case BTA_DM_DISC_RES_EVT:
1629         {
1630             bt_service_record_t rec;
1631             bt_property_t prop;
1632             bt_bdaddr_t bd_addr;
1633 
1634             memset(&rec, 0, sizeof(bt_service_record_t));
1635             bdcpy(bd_addr.address, p_data->disc_res.bd_addr);
1636 
1637             BTIF_TRACE_DEBUG("%s:(result=0x%x, services 0x%x)", __FUNCTION__,
1638                     p_data->disc_res.result, p_data->disc_res.services);
1639             prop.type = BT_PROPERTY_SERVICE_RECORD;
1640             prop.val = (void*)&rec;
1641             prop.len = sizeof(rec);
1642 
1643             /* disc_res.result is overloaded with SCN. Cannot check result */
1644             p_data->disc_res.services &= ~BTA_USER_SERVICE_MASK;
1645             /* TODO: Get the UUID as well */
1646             rec.channel = p_data->disc_res.result - 3;
1647             /* TODO: Need to get the service name using p_raw_data */
1648             rec.name[0] = 0;
1649 
1650             HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb,
1651                              BT_STATUS_SUCCESS, &bd_addr, 1, &prop);
1652         }
1653         break;
1654 
1655         default:
1656         {
1657            ASSERTC(0, "unhandled remote service record event", event);
1658         }
1659         break;
1660     }
1661 }
1662 
1663 /*******************************************************************************
1664 **
1665 ** Function         btif_dm_upstreams_cback
1666 **
1667 ** Description      Executes UPSTREAMS events in btif context
1668 **
1669 ** Returns          void
1670 **
1671 *******************************************************************************/
btif_dm_upstreams_evt(UINT16 event,char * p_param)1672 static void btif_dm_upstreams_evt(UINT16 event, char* p_param)
1673 {
1674     tBTA_DM_SEC *p_data = (tBTA_DM_SEC*)p_param;
1675     tBTA_SERVICE_MASK service_mask;
1676     uint32_t i;
1677     bt_bdaddr_t bd_addr;
1678 
1679     BTIF_TRACE_EVENT("btif_dm_upstreams_cback  ev: %s", dump_dm_event(event));
1680 
1681     switch (event)
1682     {
1683         case BTA_DM_ENABLE_EVT:
1684         {
1685              BD_NAME bdname;
1686              bt_status_t status;
1687              bt_property_t prop;
1688              prop.type = BT_PROPERTY_BDNAME;
1689              prop.len = BD_NAME_LEN;
1690              prop.val = (void*)bdname;
1691 
1692              status = btif_storage_get_adapter_property(&prop);
1693              if (status == BT_STATUS_SUCCESS)
1694              {
1695                  /* A name exists in the storage. Make this the device name */
1696                  BTA_DmSetDeviceName((char*)prop.val);
1697              }
1698              else
1699              {
1700                  /* Storage does not have a name yet.
1701                   * Use the default name and write it to the chip
1702                   */
1703                  BTA_DmSetDeviceName(btif_get_default_local_name());
1704              }
1705 
1706 #if (defined(BLE_INCLUDED) && (BLE_INCLUDED == TRUE))
1707              /* Enable local privacy */
1708              BTA_DmBleConfigLocalPrivacy(BLE_LOCAL_PRIVACY_ENABLED);
1709 #endif
1710 
1711              /* for each of the enabled services in the mask, trigger the profile
1712               * enable */
1713              service_mask = btif_get_enabled_services_mask();
1714              for (i=0; i <= BTA_MAX_SERVICE_ID; i++)
1715              {
1716                  if (service_mask &
1717                      (tBTA_SERVICE_MASK)(BTA_SERVICE_ID_TO_SERVICE_MASK(i)))
1718                  {
1719                      btif_in_execute_service_request(i, TRUE);
1720                  }
1721              }
1722              /* clear control blocks */
1723              memset(&pairing_cb, 0, sizeof(btif_dm_pairing_cb_t));
1724              pairing_cb.bond_type = BOND_TYPE_PERSISTENT;
1725 
1726              /* This function will also trigger the adapter_properties_cb
1727              ** and bonded_devices_info_cb
1728              */
1729              btif_storage_load_bonded_devices();
1730 
1731              btif_enable_bluetooth_evt(p_data->enable.status);
1732         }
1733         break;
1734 
1735         case BTA_DM_DISABLE_EVT:
1736             /* for each of the enabled services in the mask, trigger the profile
1737              * disable */
1738             service_mask = btif_get_enabled_services_mask();
1739             for (i=0; i <= BTA_MAX_SERVICE_ID; i++)
1740             {
1741                 if (service_mask &
1742                     (tBTA_SERVICE_MASK)(BTA_SERVICE_ID_TO_SERVICE_MASK(i)))
1743                 {
1744                     btif_in_execute_service_request(i, FALSE);
1745                 }
1746             }
1747             btif_disable_bluetooth_evt();
1748             break;
1749 
1750         case BTA_DM_PIN_REQ_EVT:
1751             btif_dm_pin_req_evt(&p_data->pin_req);
1752             break;
1753 
1754         case BTA_DM_AUTH_CMPL_EVT:
1755             btif_dm_auth_cmpl_evt(&p_data->auth_cmpl);
1756             break;
1757 
1758         case BTA_DM_BOND_CANCEL_CMPL_EVT:
1759             if (pairing_cb.state == BT_BOND_STATE_BONDING)
1760             {
1761                 bdcpy(bd_addr.address, pairing_cb.bd_addr);
1762                 btm_set_bond_type_dev(pairing_cb.bd_addr, BOND_TYPE_UNKNOWN);
1763                 bond_state_changed(p_data->bond_cancel_cmpl.result, &bd_addr, BT_BOND_STATE_NONE);
1764             }
1765             break;
1766 
1767         case BTA_DM_SP_CFM_REQ_EVT:
1768             btif_dm_ssp_cfm_req_evt(&p_data->cfm_req);
1769             break;
1770         case BTA_DM_SP_KEY_NOTIF_EVT:
1771             btif_dm_ssp_key_notif_evt(&p_data->key_notif);
1772             break;
1773 
1774         case BTA_DM_DEV_UNPAIRED_EVT:
1775             bdcpy(bd_addr.address, p_data->link_down.bd_addr);
1776             btm_set_bond_type_dev(p_data->link_down.bd_addr, BOND_TYPE_UNKNOWN);
1777 
1778             /*special handling for HID devices */
1779             #if (defined(BTA_HH_INCLUDED) && (BTA_HH_INCLUDED == TRUE))
1780             btif_hh_remove_device(bd_addr);
1781             #endif
1782             btif_storage_remove_bonded_device(&bd_addr);
1783             bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_NONE);
1784             break;
1785 
1786         case BTA_DM_BUSY_LEVEL_EVT:
1787         {
1788 
1789             if (p_data->busy_level.level_flags & BTM_BL_INQUIRY_PAGING_MASK)
1790             {
1791                 if (p_data->busy_level.level_flags == BTM_BL_INQUIRY_STARTED)
1792                 {
1793                        HAL_CBACK(bt_hal_cbacks, discovery_state_changed_cb,
1794                                                 BT_DISCOVERY_STARTED);
1795                        btif_dm_inquiry_in_progress = TRUE;
1796                 }
1797                 else if (p_data->busy_level.level_flags == BTM_BL_INQUIRY_CANCELLED)
1798                 {
1799                        HAL_CBACK(bt_hal_cbacks, discovery_state_changed_cb,
1800                                                 BT_DISCOVERY_STOPPED);
1801                        btif_dm_inquiry_in_progress = FALSE;
1802                 }
1803                 else if (p_data->busy_level.level_flags == BTM_BL_INQUIRY_COMPLETE)
1804                 {
1805                        btif_dm_inquiry_in_progress = FALSE;
1806                 }
1807             }
1808         }break;
1809 
1810         case BTA_DM_LINK_UP_EVT:
1811             bdcpy(bd_addr.address, p_data->link_up.bd_addr);
1812             BTIF_TRACE_DEBUG("BTA_DM_LINK_UP_EVT. Sending BT_ACL_STATE_CONNECTED");
1813 
1814             btif_update_remote_version_property(&bd_addr);
1815 
1816             HAL_CBACK(bt_hal_cbacks, acl_state_changed_cb, BT_STATUS_SUCCESS,
1817                       &bd_addr, BT_ACL_STATE_CONNECTED);
1818             break;
1819 
1820         case BTA_DM_LINK_DOWN_EVT:
1821             bdcpy(bd_addr.address, p_data->link_down.bd_addr);
1822             btm_set_bond_type_dev(p_data->link_down.bd_addr, BOND_TYPE_UNKNOWN);
1823             BTIF_TRACE_DEBUG("BTA_DM_LINK_DOWN_EVT. Sending BT_ACL_STATE_DISCONNECTED");
1824             HAL_CBACK(bt_hal_cbacks, acl_state_changed_cb, BT_STATUS_SUCCESS,
1825                       &bd_addr, BT_ACL_STATE_DISCONNECTED);
1826             break;
1827 
1828         case BTA_DM_HW_ERROR_EVT:
1829             BTIF_TRACE_ERROR("Received H/W Error. ");
1830             /* Flush storage data */
1831             btif_config_flush();
1832             usleep(100000); /* 100milliseconds */
1833             /* Killing the process to force a restart as part of fault tolerance */
1834             kill(getpid(), SIGKILL);
1835             break;
1836 
1837 #if (defined(BLE_INCLUDED) && (BLE_INCLUDED == TRUE))
1838         case BTA_DM_BLE_KEY_EVT:
1839             BTIF_TRACE_DEBUG("BTA_DM_BLE_KEY_EVT key_type=0x%02x ", p_data->ble_key.key_type);
1840 
1841             /* If this pairing is by-product of local initiated GATT client Read or Write,
1842             BTA would not have sent BTA_DM_BLE_SEC_REQ_EVT event and Bond state would not
1843             have setup properly. Setup pairing_cb and notify App about Bonding state now*/
1844             if (pairing_cb.state != BT_BOND_STATE_BONDING)
1845             {
1846                 BTIF_TRACE_DEBUG("Bond state not sent to App so far.Notify the app now");
1847                 bond_state_changed(BT_STATUS_SUCCESS, (bt_bdaddr_t*)p_data->ble_key.bd_addr,
1848                                    BT_BOND_STATE_BONDING);
1849             }
1850             else if (memcmp (pairing_cb.bd_addr, p_data->ble_key.bd_addr, BD_ADDR_LEN)!=0)
1851             {
1852                 BTIF_TRACE_ERROR("BD mismatch discard BLE key_type=%d ",p_data->ble_key.key_type);
1853                 break;
1854             }
1855 
1856             switch (p_data->ble_key.key_type)
1857             {
1858                 case BTA_LE_KEY_PENC:
1859                     BTIF_TRACE_DEBUG("Rcv BTA_LE_KEY_PENC");
1860                     pairing_cb.ble.is_penc_key_rcvd = TRUE;
1861                     pairing_cb.ble.penc_key = p_data->ble_key.p_key_value->penc_key;
1862                     break;
1863 
1864                 case BTA_LE_KEY_PID:
1865                     BTIF_TRACE_DEBUG("Rcv BTA_LE_KEY_PID");
1866                     pairing_cb.ble.is_pid_key_rcvd = TRUE;
1867                     pairing_cb.ble.pid_key = p_data->ble_key.p_key_value->pid_key;
1868                     break;
1869 
1870                 case BTA_LE_KEY_PCSRK:
1871                     BTIF_TRACE_DEBUG("Rcv BTA_LE_KEY_PCSRK");
1872                     pairing_cb.ble.is_pcsrk_key_rcvd = TRUE;
1873                     pairing_cb.ble.pcsrk_key = p_data->ble_key.p_key_value->pcsrk_key;
1874                     break;
1875 
1876                 case BTA_LE_KEY_LENC:
1877                     BTIF_TRACE_DEBUG("Rcv BTA_LE_KEY_LENC");
1878                     pairing_cb.ble.is_lenc_key_rcvd = TRUE;
1879                     pairing_cb.ble.lenc_key = p_data->ble_key.p_key_value->lenc_key;
1880                     break;
1881 
1882                 case BTA_LE_KEY_LCSRK:
1883                     BTIF_TRACE_DEBUG("Rcv BTA_LE_KEY_LCSRK");
1884                     pairing_cb.ble.is_lcsrk_key_rcvd = TRUE;
1885                     pairing_cb.ble.lcsrk_key = p_data->ble_key.p_key_value->lcsrk_key;
1886                     break;
1887 
1888                 case BTA_LE_KEY_LID:
1889                     BTIF_TRACE_DEBUG("Rcv BTA_LE_KEY_LID");
1890                     pairing_cb.ble.is_lidk_key_rcvd =  TRUE;
1891                     break;
1892 
1893                 default:
1894                     BTIF_TRACE_ERROR("unknown BLE key type (0x%02x)", p_data->ble_key.key_type);
1895                     break;
1896             }
1897             break;
1898         case BTA_DM_BLE_SEC_REQ_EVT:
1899             BTIF_TRACE_DEBUG("BTA_DM_BLE_SEC_REQ_EVT. ");
1900             btif_dm_ble_sec_req_evt(&p_data->ble_req);
1901             break;
1902         case BTA_DM_BLE_PASSKEY_NOTIF_EVT:
1903             BTIF_TRACE_DEBUG("BTA_DM_BLE_PASSKEY_NOTIF_EVT. ");
1904             btif_dm_ble_key_notif_evt(&p_data->key_notif);
1905             break;
1906         case BTA_DM_BLE_PASSKEY_REQ_EVT:
1907             BTIF_TRACE_DEBUG("BTA_DM_BLE_PASSKEY_REQ_EVT. ");
1908             btif_dm_ble_passkey_req_evt(&p_data->pin_req);
1909             break;
1910         case BTA_DM_BLE_NC_REQ_EVT:
1911             BTIF_TRACE_DEBUG("BTA_DM_BLE_PASSKEY_REQ_EVT. ");
1912             btif_dm_ble_key_nc_req_evt(&p_data->key_notif);
1913             break;
1914         case BTA_DM_BLE_OOB_REQ_EVT:
1915             BTIF_TRACE_DEBUG("BTA_DM_BLE_OOB_REQ_EVT. ");
1916             btif_dm_ble_oob_req_evt(&p_data->rmt_oob);
1917             break;
1918         case BTA_DM_BLE_LOCAL_IR_EVT:
1919             BTIF_TRACE_DEBUG("BTA_DM_BLE_LOCAL_IR_EVT. ");
1920             ble_local_key_cb.is_id_keys_rcvd = TRUE;
1921             memcpy(&ble_local_key_cb.id_keys.irk[0],
1922                    &p_data->ble_id_keys.irk[0], sizeof(BT_OCTET16));
1923             memcpy(&ble_local_key_cb.id_keys.ir[0],
1924                    &p_data->ble_id_keys.ir[0], sizeof(BT_OCTET16));
1925             memcpy(&ble_local_key_cb.id_keys.dhk[0],
1926                    &p_data->ble_id_keys.dhk[0], sizeof(BT_OCTET16));
1927             btif_storage_add_ble_local_key( (char *)&ble_local_key_cb.id_keys.irk[0],
1928                                             BTIF_DM_LE_LOCAL_KEY_IRK,
1929                                             BT_OCTET16_LEN);
1930             btif_storage_add_ble_local_key( (char *)&ble_local_key_cb.id_keys.ir[0],
1931                                             BTIF_DM_LE_LOCAL_KEY_IR,
1932                                             BT_OCTET16_LEN);
1933             btif_storage_add_ble_local_key( (char *)&ble_local_key_cb.id_keys.dhk[0],
1934                                             BTIF_DM_LE_LOCAL_KEY_DHK,
1935                                             BT_OCTET16_LEN);
1936             break;
1937         case BTA_DM_BLE_LOCAL_ER_EVT:
1938             BTIF_TRACE_DEBUG("BTA_DM_BLE_LOCAL_ER_EVT. ");
1939             ble_local_key_cb.is_er_rcvd = TRUE;
1940             memcpy(&ble_local_key_cb.er[0], &p_data->ble_er[0], sizeof(BT_OCTET16));
1941             btif_storage_add_ble_local_key( (char *)&ble_local_key_cb.er[0],
1942                                             BTIF_DM_LE_LOCAL_KEY_ER,
1943                                             BT_OCTET16_LEN);
1944             break;
1945 
1946         case BTA_DM_BLE_AUTH_CMPL_EVT:
1947             BTIF_TRACE_DEBUG("BTA_DM_BLE_AUTH_CMPL_EVT. ");
1948             btif_dm_ble_auth_cmpl_evt(&p_data->auth_cmpl);
1949             break;
1950 
1951         case BTA_DM_LE_FEATURES_READ:
1952         {
1953             tBTM_BLE_VSC_CB cmn_vsc_cb;
1954             bt_local_le_features_t local_le_features;
1955             char buf[512];
1956             bt_property_t prop;
1957             prop.type = BT_PROPERTY_LOCAL_LE_FEATURES;
1958             prop.val = (void*)buf;
1959             prop.len = sizeof(buf);
1960 
1961            /* LE features are not stored in storage. Should be retrived from stack */
1962             BTM_BleGetVendorCapabilities(&cmn_vsc_cb);
1963             local_le_features.local_privacy_enabled = BTM_BleLocalPrivacyEnabled();
1964 
1965             prop.len = sizeof (bt_local_le_features_t);
1966             if (cmn_vsc_cb.filter_support == 1)
1967                 local_le_features.max_adv_filter_supported = cmn_vsc_cb.max_filter;
1968              else
1969                 local_le_features.max_adv_filter_supported = 0;
1970             local_le_features.max_adv_instance = cmn_vsc_cb.adv_inst_max;
1971             local_le_features.max_irk_list_size = cmn_vsc_cb.max_irk_list_sz;
1972             local_le_features.rpa_offload_supported = cmn_vsc_cb.rpa_offloading;
1973             local_le_features.activity_energy_info_supported = cmn_vsc_cb.energy_support;
1974             local_le_features.scan_result_storage_size = cmn_vsc_cb.tot_scan_results_strg;
1975             local_le_features.version_supported = cmn_vsc_cb.version_supported;
1976             local_le_features.total_trackable_advertisers =
1977                         cmn_vsc_cb.total_trackable_advertisers;
1978 
1979             local_le_features.extended_scan_support = cmn_vsc_cb.extended_scan_support > 0;
1980             local_le_features.debug_logging_supported = cmn_vsc_cb.debug_logging_supported > 0;
1981 
1982             memcpy(prop.val, &local_le_features, prop.len);
1983             HAL_CBACK(bt_hal_cbacks, adapter_properties_cb, BT_STATUS_SUCCESS, 1, &prop);
1984             break;
1985          }
1986 
1987         case BTA_DM_ENER_INFO_READ:
1988         {
1989             btif_activity_energy_info_cb_t *p_ener_data = (btif_activity_energy_info_cb_t*) p_param;
1990             bt_activity_energy_info energy_info;
1991             energy_info.status = p_ener_data->status;
1992             energy_info.ctrl_state = p_ener_data->ctrl_state;
1993             energy_info.rx_time = p_ener_data->rx_time;
1994             energy_info.tx_time = p_ener_data->tx_time;
1995             energy_info.idle_time = p_ener_data->idle_time;
1996             energy_info.energy_used = p_ener_data->energy_used;
1997 
1998             bt_uid_traffic_t* data = uid_set_read_and_clear(uid_set);
1999             HAL_CBACK(bt_hal_cbacks, energy_info_cb, &energy_info, data);
2000             osi_free(data);
2001             break;
2002         }
2003 #endif
2004 
2005         case BTA_DM_AUTHORIZE_EVT:
2006         case BTA_DM_SIG_STRENGTH_EVT:
2007         case BTA_DM_SP_RMT_OOB_EVT:
2008         case BTA_DM_SP_KEYPRESS_EVT:
2009         case BTA_DM_ROLE_CHG_EVT:
2010 
2011         default:
2012             BTIF_TRACE_WARNING( "btif_dm_cback : unhandled event (%d)", event );
2013             break;
2014     }
2015 
2016     btif_dm_data_free(event, p_data);
2017 }
2018 
2019 /*******************************************************************************
2020 **
2021 ** Function         btif_dm_generic_evt
2022 **
2023 ** Description      Executes non-BTA upstream events in BTIF context
2024 **
2025 ** Returns          void
2026 **
2027 *******************************************************************************/
btif_dm_generic_evt(UINT16 event,char * p_param)2028 static void btif_dm_generic_evt(UINT16 event, char* p_param)
2029 {
2030     BTIF_TRACE_EVENT("%s: event=%d", __FUNCTION__, event);
2031     switch(event)
2032     {
2033         case BTIF_DM_CB_DISCOVERY_STARTED:
2034         {
2035             HAL_CBACK(bt_hal_cbacks, discovery_state_changed_cb, BT_DISCOVERY_STARTED);
2036         }
2037         break;
2038 
2039         case BTIF_DM_CB_CREATE_BOND:
2040         {
2041             pairing_cb.timeout_retries = NUM_TIMEOUT_RETRIES;
2042             btif_dm_create_bond_cb_t *create_bond_cb = (btif_dm_create_bond_cb_t*)p_param;
2043             btif_dm_cb_create_bond(&create_bond_cb->bdaddr, create_bond_cb->transport);
2044         }
2045         break;
2046 
2047         case BTIF_DM_CB_REMOVE_BOND:
2048         {
2049             btif_dm_cb_remove_bond((bt_bdaddr_t *)p_param);
2050         }
2051         break;
2052 
2053         case BTIF_DM_CB_HID_REMOTE_NAME:
2054         {
2055             btif_dm_cb_hid_remote_name((tBTM_REMOTE_DEV_NAME *)p_param);
2056         }
2057         break;
2058 
2059         case BTIF_DM_CB_BOND_STATE_BONDING:
2060             {
2061                 bond_state_changed(BT_STATUS_SUCCESS, (bt_bdaddr_t *)p_param, BT_BOND_STATE_BONDING);
2062             }
2063             break;
2064         case BTIF_DM_CB_LE_TX_TEST:
2065         case BTIF_DM_CB_LE_RX_TEST:
2066             {
2067                 uint8_t status;
2068                 STREAM_TO_UINT8(status, p_param);
2069                 HAL_CBACK(bt_hal_cbacks, le_test_mode_cb,
2070                       (status == 0) ? BT_STATUS_SUCCESS : BT_STATUS_FAIL, 0);
2071             }
2072             break;
2073         case BTIF_DM_CB_LE_TEST_END:
2074             {
2075                 uint8_t status;
2076                 uint16_t count = 0;
2077                 STREAM_TO_UINT8(status, p_param);
2078                 if (status == 0)
2079                     STREAM_TO_UINT16(count, p_param);
2080                 HAL_CBACK(bt_hal_cbacks, le_test_mode_cb,
2081                       (status == 0) ? BT_STATUS_SUCCESS : BT_STATUS_FAIL, count);
2082             }
2083             break;
2084         default:
2085         {
2086             BTIF_TRACE_WARNING("%s : Unknown event 0x%x", __FUNCTION__, event);
2087         }
2088         break;
2089     }
2090 }
2091 
2092 /*******************************************************************************
2093 **
2094 ** Function         bte_dm_evt
2095 **
2096 ** Description      Switches context from BTE to BTIF for all DM events
2097 **
2098 ** Returns          void
2099 **
2100 *******************************************************************************/
2101 
bte_dm_evt(tBTA_DM_SEC_EVT event,tBTA_DM_SEC * p_data)2102 void bte_dm_evt(tBTA_DM_SEC_EVT event, tBTA_DM_SEC *p_data)
2103 {
2104     /* switch context to btif task context (copy full union size for convenience) */
2105     bt_status_t status = btif_transfer_context(btif_dm_upstreams_evt, (uint16_t)event,
2106                                 (void*)p_data, sizeof(tBTA_DM_SEC), btif_dm_data_copy);
2107 
2108     /* catch any failed context transfers */
2109     ASSERTC(status == BT_STATUS_SUCCESS, "context transfer failed", status);
2110 }
2111 
2112 /*******************************************************************************
2113 **
2114 ** Function         bte_search_devices_evt
2115 **
2116 ** Description      Switches context from BTE to BTIF for DM search events
2117 **
2118 ** Returns          void
2119 **
2120 *******************************************************************************/
bte_search_devices_evt(tBTA_DM_SEARCH_EVT event,tBTA_DM_SEARCH * p_data)2121 static void bte_search_devices_evt(tBTA_DM_SEARCH_EVT event, tBTA_DM_SEARCH *p_data)
2122 {
2123     UINT16 param_len = 0;
2124 
2125     if (p_data)
2126         param_len += sizeof(tBTA_DM_SEARCH);
2127     /* Allocate buffer to hold the pointers (deep copy). The pointers will point to the end of the tBTA_DM_SEARCH */
2128     switch (event)
2129     {
2130         case BTA_DM_INQ_RES_EVT:
2131         {
2132             if (p_data->inq_res.p_eir)
2133                 param_len += HCI_EXT_INQ_RESPONSE_LEN;
2134         }
2135         break;
2136 
2137         case BTA_DM_DISC_RES_EVT:
2138         {
2139             if (p_data->disc_res.raw_data_size && p_data->disc_res.p_raw_data)
2140                 param_len += p_data->disc_res.raw_data_size;
2141         }
2142         break;
2143     }
2144     BTIF_TRACE_DEBUG("%s event=%s param_len=%d", __FUNCTION__, dump_dm_search_event(event), param_len);
2145 
2146     /* if remote name is available in EIR, set teh flag so that stack doesnt trigger RNR */
2147     if (event == BTA_DM_INQ_RES_EVT)
2148         p_data->inq_res.remt_name_not_required = check_eir_remote_name(p_data, NULL, NULL);
2149 
2150     btif_transfer_context (btif_dm_search_devices_evt , (UINT16) event, (void *)p_data, param_len,
2151         (param_len > sizeof(tBTA_DM_SEARCH)) ? search_devices_copy_cb : NULL);
2152 }
2153 
2154 /*******************************************************************************
2155 **
2156 ** Function         bte_dm_search_services_evt
2157 **
2158 ** Description      Switches context from BTE to BTIF for DM search services
2159 **                  event
2160 **
2161 ** Returns          void
2162 **
2163 *******************************************************************************/
bte_dm_search_services_evt(tBTA_DM_SEARCH_EVT event,tBTA_DM_SEARCH * p_data)2164 static void bte_dm_search_services_evt(tBTA_DM_SEARCH_EVT event, tBTA_DM_SEARCH *p_data)
2165 {
2166     UINT16 param_len = 0;
2167    if (p_data)
2168        param_len += sizeof(tBTA_DM_SEARCH);
2169    switch (event)
2170    {
2171          case BTA_DM_DISC_RES_EVT:
2172          {
2173              if ((p_data->disc_res.result == BTA_SUCCESS) && (p_data->disc_res.num_uuids > 0)) {
2174                   param_len += (p_data->disc_res.num_uuids * MAX_UUID_SIZE);
2175              }
2176          } break;
2177    }
2178    /* TODO: The only other member that needs a deep copy is the p_raw_data. But not sure
2179     * if raw_data is needed. */
2180    btif_transfer_context(btif_dm_search_services_evt, event, (char*)p_data, param_len,
2181          (param_len > sizeof(tBTA_DM_SEARCH)) ? search_services_copy_cb : NULL);
2182 }
2183 
2184 /*******************************************************************************
2185 **
2186 ** Function         bte_dm_remote_service_record_evt
2187 **
2188 ** Description      Switches context from BTE to BTIF for DM search service
2189 **                  record event
2190 **
2191 ** Returns          void
2192 **
2193 *******************************************************************************/
bte_dm_remote_service_record_evt(tBTA_DM_SEARCH_EVT event,tBTA_DM_SEARCH * p_data)2194 static void bte_dm_remote_service_record_evt(tBTA_DM_SEARCH_EVT event, tBTA_DM_SEARCH *p_data)
2195 {
2196    /* TODO: The only member that needs a deep copy is the p_raw_data. But not sure yet if this is needed. */
2197    btif_transfer_context(btif_dm_remote_service_record_evt, event, (char*)p_data, sizeof(tBTA_DM_SEARCH), NULL);
2198 }
2199 
2200 #if (defined(BLE_INCLUDED) && (BLE_INCLUDED == TRUE))
2201 /*******************************************************************************
2202 **
2203 ** Function         bta_energy_info_cb
2204 **
2205 ** Description      Switches context from BTE to BTIF for DM energy info event
2206 **
2207 ** Returns          void
2208 **
2209 *******************************************************************************/
bta_energy_info_cb(tBTA_DM_BLE_TX_TIME_MS tx_time,tBTA_DM_BLE_RX_TIME_MS rx_time,tBTA_DM_BLE_IDLE_TIME_MS idle_time,tBTA_DM_BLE_ENERGY_USED energy_used,tBTA_DM_CONTRL_STATE ctrl_state,tBTA_STATUS status)2210 static void bta_energy_info_cb(tBTA_DM_BLE_TX_TIME_MS tx_time, tBTA_DM_BLE_RX_TIME_MS rx_time,
2211                                     tBTA_DM_BLE_IDLE_TIME_MS idle_time,
2212                                     tBTA_DM_BLE_ENERGY_USED energy_used,
2213                                     tBTA_DM_CONTRL_STATE ctrl_state, tBTA_STATUS status)
2214 {
2215     BTIF_TRACE_DEBUG("energy_info_cb-Status:%d,state=%d,tx_t=%ld, rx_t=%ld, idle_time=%ld,used=%ld",
2216         status, ctrl_state, tx_time, rx_time, idle_time, energy_used);
2217 
2218     btif_activity_energy_info_cb_t btif_cb;
2219     btif_cb.status = status;
2220     btif_cb.ctrl_state = ctrl_state;
2221     btif_cb.tx_time = (uint64_t) tx_time;
2222     btif_cb.rx_time = (uint64_t) rx_time;
2223     btif_cb.idle_time =(uint64_t) idle_time;
2224     btif_cb.energy_used =(uint64_t) energy_used;
2225     btif_transfer_context(btif_dm_upstreams_evt, BTA_DM_ENER_INFO_READ,
2226                           (char*) &btif_cb, sizeof(btif_activity_energy_info_cb_t), NULL);
2227 }
2228 #endif
2229 
2230 /*******************************************************************************
2231 **
2232 ** Function         bte_scan_filt_param_cfg_evt
2233 **
2234 ** Description      Scan filter param config event
2235 **
2236 ** Returns          void
2237 **
2238 *******************************************************************************/
bte_scan_filt_param_cfg_evt(UINT8 action_type,tBTA_DM_BLE_PF_AVBL_SPACE avbl_space,tBTA_DM_BLE_REF_VALUE ref_value,tBTA_STATUS status)2239 static void bte_scan_filt_param_cfg_evt(UINT8 action_type,
2240                                         tBTA_DM_BLE_PF_AVBL_SPACE avbl_space,
2241                                         tBTA_DM_BLE_REF_VALUE ref_value, tBTA_STATUS status)
2242 {
2243     /* This event occurs on calling BTA_DmBleCfgFilterCondition internally,
2244     ** and that is why there is no HAL callback
2245     */
2246     if(BTA_SUCCESS != status)
2247     {
2248         BTIF_TRACE_ERROR("%s, %d", __FUNCTION__, status);
2249     }
2250     else
2251     {
2252         BTIF_TRACE_DEBUG("%s", __FUNCTION__);
2253     }
2254 }
2255 
2256 /*****************************************************************************
2257 **
2258 **   btif api functions (no context switch)
2259 **
2260 *****************************************************************************/
2261 
2262 /*******************************************************************************
2263 **
2264 ** Function         btif_dm_start_discovery
2265 **
2266 ** Description      Start device discovery/inquiry
2267 **
2268 ** Returns          bt_status_t
2269 **
2270 *******************************************************************************/
btif_dm_start_discovery(void)2271 bt_status_t btif_dm_start_discovery(void)
2272 {
2273     tBTA_DM_INQ inq_params;
2274     tBTA_SERVICE_MASK services = 0;
2275     tBTA_DM_BLE_PF_FILT_PARAMS adv_filt_param;
2276 
2277     BTIF_TRACE_EVENT("%s", __FUNCTION__);
2278 
2279 #if (defined(BLE_INCLUDED) && (BLE_INCLUDED == TRUE))
2280     memset(&adv_filt_param, 0, sizeof(tBTA_DM_BLE_PF_FILT_PARAMS));
2281     /* Cleanup anything remaining on index 0 */
2282     BTA_DmBleScanFilterSetup(BTA_DM_BLE_SCAN_COND_DELETE, 0, &adv_filt_param, NULL,
2283                              bte_scan_filt_param_cfg_evt, 0);
2284 
2285     /* Add an allow-all filter on index 0*/
2286     adv_filt_param.dely_mode = IMMEDIATE_DELY_MODE;
2287     adv_filt_param.feat_seln = ALLOW_ALL_FILTER;
2288     adv_filt_param.filt_logic_type = BTA_DM_BLE_PF_FILT_LOGIC_OR;
2289     adv_filt_param.list_logic_type = BTA_DM_BLE_PF_LIST_LOGIC_OR;
2290     adv_filt_param.rssi_low_thres = LOWEST_RSSI_VALUE;
2291     adv_filt_param.rssi_high_thres = LOWEST_RSSI_VALUE;
2292     BTA_DmBleScanFilterSetup(BTA_DM_BLE_SCAN_COND_ADD, 0, &adv_filt_param, NULL,
2293                              bte_scan_filt_param_cfg_evt, 0);
2294 
2295     /* TODO: Do we need to handle multiple inquiries at the same time? */
2296 
2297     /* Set inquiry params and call API */
2298     inq_params.mode = BTA_DM_GENERAL_INQUIRY|BTA_BLE_GENERAL_INQUIRY;
2299 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE)
2300     inq_params.intl_duration[0]= BTIF_DM_INTERLEAVE_DURATION_BR_ONE;
2301     inq_params.intl_duration[1]= BTIF_DM_INTERLEAVE_DURATION_LE_ONE;
2302     inq_params.intl_duration[2]= BTIF_DM_INTERLEAVE_DURATION_BR_TWO;
2303     inq_params.intl_duration[3]= BTIF_DM_INTERLEAVE_DURATION_LE_TWO;
2304 #endif
2305 #else
2306     inq_params.mode = BTA_DM_GENERAL_INQUIRY;
2307 #endif
2308     inq_params.duration = BTIF_DM_DEFAULT_INQ_MAX_DURATION;
2309 
2310     inq_params.max_resps = BTIF_DM_DEFAULT_INQ_MAX_RESULTS;
2311     inq_params.report_dup = TRUE;
2312 
2313     inq_params.filter_type = BTA_DM_INQ_CLR;
2314     /* TODO: Filter device by BDA needs to be implemented here */
2315 
2316     /* Will be enabled to TRUE once inquiry busy level has been received */
2317     btif_dm_inquiry_in_progress = FALSE;
2318     /* find nearby devices */
2319     BTA_DmSearch(&inq_params, services, bte_search_devices_evt);
2320 
2321     return BT_STATUS_SUCCESS;
2322 }
2323 
2324 /*******************************************************************************
2325 **
2326 ** Function         btif_dm_cancel_discovery
2327 **
2328 ** Description      Cancels search
2329 **
2330 ** Returns          bt_status_t
2331 **
2332 *******************************************************************************/
btif_dm_cancel_discovery(void)2333 bt_status_t btif_dm_cancel_discovery(void)
2334 {
2335     BTIF_TRACE_EVENT("%s", __FUNCTION__);
2336     BTA_DmSearchCancel();
2337     return BT_STATUS_SUCCESS;
2338 }
2339 
2340 /*******************************************************************************
2341 **
2342 ** Function         btif_dm_create_bond
2343 **
2344 ** Description      Initiate bonding with the specified device
2345 **
2346 ** Returns          bt_status_t
2347 **
2348 *******************************************************************************/
btif_dm_create_bond(const bt_bdaddr_t * bd_addr,int transport)2349 bt_status_t btif_dm_create_bond(const bt_bdaddr_t *bd_addr, int transport)
2350 {
2351     btif_dm_create_bond_cb_t create_bond_cb;
2352     create_bond_cb.transport = transport;
2353     bdcpy(create_bond_cb.bdaddr.address, bd_addr->address);
2354 
2355     bdstr_t bdstr;
2356     BTIF_TRACE_EVENT("%s: bd_addr=%s, transport=%d", __FUNCTION__, bdaddr_to_string(bd_addr, bdstr, sizeof(bdstr)), transport);
2357     if (pairing_cb.state != BT_BOND_STATE_NONE)
2358         return BT_STATUS_BUSY;
2359 
2360     btif_stats_add_bond_event(bd_addr, BTIF_DM_FUNC_CREATE_BOND, pairing_cb.state);
2361 
2362     btif_transfer_context(btif_dm_generic_evt, BTIF_DM_CB_CREATE_BOND,
2363                           (char *)&create_bond_cb, sizeof(btif_dm_create_bond_cb_t), NULL);
2364 
2365     return BT_STATUS_SUCCESS;
2366 }
2367 
2368 /*******************************************************************************
2369 **
2370 ** Function         btif_dm_create_bond_out_of_band
2371 **
2372 ** Description      Initiate bonding with the specified device using out of band data
2373 **
2374 ** Returns          bt_status_t
2375 **
2376 *******************************************************************************/
btif_dm_create_bond_out_of_band(const bt_bdaddr_t * bd_addr,int transport,const bt_out_of_band_data_t * oob_data)2377 bt_status_t btif_dm_create_bond_out_of_band(const bt_bdaddr_t *bd_addr, int transport, const bt_out_of_band_data_t *oob_data)
2378 {
2379     bdcpy(oob_cb.bdaddr, bd_addr->address);
2380     memcpy(&oob_cb.oob_data, oob_data, sizeof(bt_out_of_band_data_t));
2381 
2382     bdstr_t bdstr;
2383     BTIF_TRACE_EVENT("%s: bd_addr=%s, transport=%d", __FUNCTION__, bdaddr_to_string(bd_addr, bdstr, sizeof(bdstr)), transport);
2384     return btif_dm_create_bond(bd_addr, transport);
2385 }
2386 
2387 /*******************************************************************************
2388 **
2389 ** Function         btif_dm_cancel_bond
2390 **
2391 ** Description      Initiate bonding with the specified device
2392 **
2393 ** Returns          bt_status_t
2394 **
2395 *******************************************************************************/
2396 
btif_dm_cancel_bond(const bt_bdaddr_t * bd_addr)2397 bt_status_t btif_dm_cancel_bond(const bt_bdaddr_t *bd_addr)
2398 {
2399     bdstr_t bdstr;
2400 
2401     BTIF_TRACE_EVENT("%s: bd_addr=%s", __FUNCTION__, bdaddr_to_string(bd_addr, bdstr, sizeof(bdstr)));
2402 
2403     btif_stats_add_bond_event(bd_addr, BTIF_DM_FUNC_CANCEL_BOND, pairing_cb.state);
2404 
2405     /* TODO:
2406     **  1. Restore scan modes
2407     **  2. special handling for HID devices
2408     */
2409     if (pairing_cb.state == BT_BOND_STATE_BONDING)
2410     {
2411 
2412 #if (defined(BLE_INCLUDED) && (BLE_INCLUDED == TRUE))
2413 
2414         if (pairing_cb.is_ssp)
2415         {
2416             if (pairing_cb.is_le_only)
2417             {
2418                 BTA_DmBleSecurityGrant((UINT8 *)bd_addr->address,BTA_DM_SEC_PAIR_NOT_SPT);
2419             }
2420             else
2421             {
2422                 BTA_DmConfirm( (UINT8 *)bd_addr->address, FALSE);
2423                 BTA_DmBondCancel ((UINT8 *)bd_addr->address);
2424                 btif_storage_remove_bonded_device((bt_bdaddr_t *)bd_addr);
2425             }
2426         }
2427         else
2428         {
2429             if (pairing_cb.is_le_only)
2430             {
2431                 BTA_DmBondCancel ((UINT8 *)bd_addr->address);
2432             }
2433             else
2434             {
2435                 BTA_DmPinReply( (UINT8 *)bd_addr->address, FALSE, 0, NULL);
2436             }
2437         /* Cancel bonding, in case it is in ACL connection setup state */
2438         BTA_DmBondCancel ((UINT8 *)bd_addr->address);
2439         }
2440 
2441 #else
2442         if (pairing_cb.is_ssp)
2443         {
2444             BTA_DmConfirm( (UINT8 *)bd_addr->address, FALSE);
2445         }
2446         else
2447         {
2448             BTA_DmPinReply( (UINT8 *)bd_addr->address, FALSE, 0, NULL);
2449         }
2450         /* Cancel bonding, in case it is in ACL connection setup state */
2451         BTA_DmBondCancel ((UINT8 *)bd_addr->address);
2452         btif_storage_remove_bonded_device((bt_bdaddr_t *)bd_addr);
2453 #endif
2454     }
2455 
2456     return BT_STATUS_SUCCESS;
2457 }
2458 
2459 /*******************************************************************************
2460 **
2461 ** Function         btif_dm_hh_open_failed
2462 **
2463 ** Description      informs the upper layers if the HH have failed during bonding
2464 **
2465 ** Returns          none
2466 **
2467 *******************************************************************************/
2468 
btif_dm_hh_open_failed(bt_bdaddr_t * bdaddr)2469 void btif_dm_hh_open_failed(bt_bdaddr_t *bdaddr)
2470 {
2471     if (pairing_cb.state == BT_BOND_STATE_BONDING &&
2472             bdcmp(bdaddr->address, pairing_cb.bd_addr) == 0)
2473     {
2474         bond_state_changed(BT_STATUS_FAIL, bdaddr, BT_BOND_STATE_NONE);
2475     }
2476 }
2477 
2478 /*******************************************************************************
2479 **
2480 ** Function         btif_dm_remove_bond
2481 **
2482 ** Description      Removes bonding with the specified device
2483 **
2484 ** Returns          bt_status_t
2485 **
2486 *******************************************************************************/
2487 
btif_dm_remove_bond(const bt_bdaddr_t * bd_addr)2488 bt_status_t btif_dm_remove_bond(const bt_bdaddr_t *bd_addr)
2489 {
2490     bdstr_t bdstr;
2491 
2492     BTIF_TRACE_EVENT("%s: bd_addr=%s", __FUNCTION__, bdaddr_to_string(bd_addr, bdstr, sizeof(bdstr)));
2493 
2494     btif_stats_add_bond_event(bd_addr, BTIF_DM_FUNC_REMOVE_BOND, pairing_cb.state);
2495 
2496     btif_transfer_context(btif_dm_generic_evt, BTIF_DM_CB_REMOVE_BOND,
2497                           (char *)bd_addr, sizeof(bt_bdaddr_t), NULL);
2498 
2499     return BT_STATUS_SUCCESS;
2500 }
2501 
2502 /*******************************************************************************
2503 **
2504 ** Function         btif_dm_pin_reply
2505 **
2506 ** Description      BT legacy pairing - PIN code reply
2507 **
2508 ** Returns          bt_status_t
2509 **
2510 *******************************************************************************/
2511 
btif_dm_pin_reply(const bt_bdaddr_t * bd_addr,uint8_t accept,uint8_t pin_len,bt_pin_code_t * pin_code)2512 bt_status_t btif_dm_pin_reply( const bt_bdaddr_t *bd_addr, uint8_t accept,
2513                                uint8_t pin_len, bt_pin_code_t *pin_code)
2514 {
2515     BTIF_TRACE_EVENT("%s: accept=%d", __FUNCTION__, accept);
2516     if (pin_code == NULL || pin_len > PIN_CODE_LEN)
2517         return BT_STATUS_FAIL;
2518 #if (defined(BLE_INCLUDED) && (BLE_INCLUDED == TRUE))
2519 
2520     if (pairing_cb.is_le_only)
2521     {
2522         int i;
2523         UINT32 passkey = 0;
2524         int multi[] = {100000, 10000, 1000, 100, 10,1};
2525         BD_ADDR remote_bd_addr;
2526         bdcpy(remote_bd_addr, bd_addr->address);
2527         for (i = 0; i < 6; i++)
2528         {
2529             passkey += (multi[i] * (pin_code->pin[i] - '0'));
2530         }
2531         BTIF_TRACE_DEBUG("btif_dm_pin_reply: passkey: %d", passkey);
2532         BTA_DmBlePasskeyReply(remote_bd_addr, accept, passkey);
2533 
2534     }
2535     else
2536     {
2537         BTA_DmPinReply( (UINT8 *)bd_addr->address, accept, pin_len, pin_code->pin);
2538         if (accept)
2539             pairing_cb.pin_code_len = pin_len;
2540     }
2541 #else
2542     BTA_DmPinReply( (UINT8 *)bd_addr->address, accept, pin_len, pin_code->pin);
2543 
2544     if (accept)
2545         pairing_cb.pin_code_len = pin_len;
2546 #endif
2547     return BT_STATUS_SUCCESS;
2548 }
2549 
2550 /*******************************************************************************
2551 **
2552 ** Function         btif_dm_ssp_reply
2553 **
2554 ** Description      BT SSP Reply - Just Works, Numeric Comparison & Passkey Entry
2555 **
2556 ** Returns          bt_status_t
2557 **
2558 *******************************************************************************/
btif_dm_ssp_reply(const bt_bdaddr_t * bd_addr,bt_ssp_variant_t variant,uint8_t accept,uint32_t passkey)2559 bt_status_t btif_dm_ssp_reply(const bt_bdaddr_t *bd_addr,
2560                                  bt_ssp_variant_t variant, uint8_t accept,
2561                                  uint32_t passkey)
2562 {
2563     UNUSED(passkey);
2564 
2565     if (variant == BT_SSP_VARIANT_PASSKEY_ENTRY)
2566     {
2567         /* This is not implemented in the stack.
2568          * For devices with display, this is not needed
2569         */
2570         BTIF_TRACE_WARNING("%s: Not implemented", __FUNCTION__);
2571         return BT_STATUS_FAIL;
2572     }
2573     /* BT_SSP_VARIANT_CONSENT & BT_SSP_VARIANT_PASSKEY_CONFIRMATION supported */
2574     BTIF_TRACE_EVENT("%s: accept=%d", __FUNCTION__, accept);
2575 #if (defined(BLE_INCLUDED) && (BLE_INCLUDED == TRUE))
2576     if (pairing_cb.is_le_only)
2577     {
2578         if(pairing_cb.is_le_nc)
2579         {
2580             BTA_DmBleConfirmReply((UINT8 *)bd_addr->address,accept);
2581         } else {
2582             if (accept)
2583                 BTA_DmBleSecurityGrant((UINT8 *)bd_addr->address,BTA_DM_SEC_GRANTED);
2584             else
2585                 BTA_DmBleSecurityGrant((UINT8 *)bd_addr->address,BTA_DM_SEC_PAIR_NOT_SPT);
2586         }
2587     } else {
2588         BTA_DmConfirm( (UINT8 *)bd_addr->address, accept);
2589     }
2590 #else
2591     BTA_DmConfirm( (UINT8 *)bd_addr->address, accept);
2592 #endif
2593     return BT_STATUS_SUCCESS;
2594 }
2595 
2596 /*******************************************************************************
2597 **
2598 ** Function         btif_dm_get_adapter_property
2599 **
2600 ** Description     Queries the BTA for the adapter property
2601 **
2602 ** Returns          bt_status_t
2603 **
2604 *******************************************************************************/
btif_dm_get_adapter_property(bt_property_t * prop)2605 bt_status_t btif_dm_get_adapter_property(bt_property_t *prop)
2606 {
2607     BTIF_TRACE_EVENT("%s: type=0x%x", __FUNCTION__, prop->type);
2608     switch (prop->type)
2609     {
2610         case BT_PROPERTY_BDNAME:
2611         {
2612             bt_bdname_t *bd_name = (bt_bdname_t*)prop->val;
2613             strncpy((char *)bd_name->name, (char *)btif_get_default_local_name(),
2614                    sizeof(bd_name->name) - 1);
2615             bd_name->name[sizeof(bd_name->name) - 1] = 0;
2616             prop->len = strlen((char *)bd_name->name);
2617         }
2618         break;
2619 
2620         case BT_PROPERTY_ADAPTER_SCAN_MODE:
2621         {
2622             /* if the storage does not have it. Most likely app never set it. Default is NONE */
2623             bt_scan_mode_t *mode = (bt_scan_mode_t*)prop->val;
2624             *mode = BT_SCAN_MODE_NONE;
2625             prop->len = sizeof(bt_scan_mode_t);
2626         }
2627         break;
2628 
2629         case BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT:
2630         {
2631             uint32_t *tmt = (uint32_t*)prop->val;
2632             *tmt = 120; /* default to 120s, if not found in NV */
2633             prop->len = sizeof(uint32_t);
2634         }
2635         break;
2636 
2637         default:
2638             prop->len = 0;
2639             return BT_STATUS_FAIL;
2640     }
2641     return BT_STATUS_SUCCESS;
2642 }
2643 
2644 /*******************************************************************************
2645 **
2646 ** Function         btif_dm_get_remote_services
2647 **
2648 ** Description      Start SDP to get remote services
2649 **
2650 ** Returns          bt_status_t
2651 **
2652 *******************************************************************************/
btif_dm_get_remote_services(bt_bdaddr_t * remote_addr)2653 bt_status_t btif_dm_get_remote_services(bt_bdaddr_t *remote_addr)
2654 {
2655     bdstr_t bdstr;
2656 
2657     BTIF_TRACE_EVENT("%s: remote_addr=%s", __FUNCTION__, bdaddr_to_string(remote_addr, bdstr, sizeof(bdstr)));
2658 
2659     BTA_DmDiscover(remote_addr->address, BTA_ALL_SERVICE_MASK,
2660                    bte_dm_search_services_evt, TRUE);
2661 
2662     return BT_STATUS_SUCCESS;
2663 }
2664 
2665 /*******************************************************************************
2666 **
2667 ** Function         btif_dm_get_remote_services_transport
2668 **
2669 ** Description      Start SDP to get remote services by transport
2670 **
2671 ** Returns          bt_status_t
2672 **
2673 *******************************************************************************/
btif_dm_get_remote_services_by_transport(bt_bdaddr_t * remote_addr,const int transport)2674 bt_status_t btif_dm_get_remote_services_by_transport(bt_bdaddr_t *remote_addr, const int transport)
2675 {
2676     BTIF_TRACE_EVENT("%s", __func__);
2677 
2678     /* Set the mask extension */
2679     tBTA_SERVICE_MASK_EXT mask_ext;
2680     mask_ext.num_uuid = 0;
2681     mask_ext.p_uuid = NULL;
2682     mask_ext.srvc_mask = BTA_ALL_SERVICE_MASK;
2683 
2684     BTA_DmDiscoverByTransport(remote_addr->address, &mask_ext,
2685                    bte_dm_search_services_evt, TRUE, transport);
2686 
2687     return BT_STATUS_SUCCESS;
2688 }
2689 
2690 /*******************************************************************************
2691 **
2692 ** Function         btif_dm_get_remote_service_record
2693 **
2694 ** Description      Start SDP to get remote service record
2695 **
2696 **
2697 ** Returns          bt_status_t
2698 *******************************************************************************/
btif_dm_get_remote_service_record(bt_bdaddr_t * remote_addr,bt_uuid_t * uuid)2699 bt_status_t btif_dm_get_remote_service_record(bt_bdaddr_t *remote_addr,
2700                                                     bt_uuid_t *uuid)
2701 {
2702     tSDP_UUID sdp_uuid;
2703     bdstr_t bdstr;
2704 
2705     BTIF_TRACE_EVENT("%s: remote_addr=%s", __FUNCTION__, bdaddr_to_string(remote_addr, bdstr, sizeof(bdstr)));
2706 
2707     sdp_uuid.len = MAX_UUID_SIZE;
2708     memcpy(sdp_uuid.uu.uuid128, uuid->uu, MAX_UUID_SIZE);
2709 
2710     BTA_DmDiscoverUUID(remote_addr->address, &sdp_uuid,
2711                        bte_dm_remote_service_record_evt, TRUE);
2712 
2713     return BT_STATUS_SUCCESS;
2714 }
2715 
btif_dm_execute_service_request(UINT16 event,char * p_param)2716 void btif_dm_execute_service_request(UINT16 event, char *p_param)
2717 {
2718     BOOLEAN b_enable = FALSE;
2719     bt_status_t status;
2720     if (event == BTIF_DM_ENABLE_SERVICE)
2721     {
2722         b_enable = TRUE;
2723     }
2724     status = btif_in_execute_service_request(*((tBTA_SERVICE_ID*)p_param), b_enable);
2725     if (status == BT_STATUS_SUCCESS)
2726     {
2727         bt_property_t property;
2728         bt_uuid_t local_uuids[BT_MAX_NUM_UUIDS];
2729 
2730         /* Now send the UUID_PROPERTY_CHANGED event to the upper layer */
2731         BTIF_STORAGE_FILL_PROPERTY(&property, BT_PROPERTY_UUIDS,
2732                                     sizeof(local_uuids), local_uuids);
2733         btif_storage_get_adapter_property(&property);
2734         HAL_CBACK(bt_hal_cbacks, adapter_properties_cb,
2735                           BT_STATUS_SUCCESS, 1, &property);
2736     }
2737     return;
2738 }
2739 
btif_dm_proc_io_req(BD_ADDR bd_addr,tBTA_IO_CAP * p_io_cap,tBTA_OOB_DATA * p_oob_data,tBTA_AUTH_REQ * p_auth_req,BOOLEAN is_orig)2740 void btif_dm_proc_io_req(BD_ADDR bd_addr, tBTA_IO_CAP *p_io_cap, tBTA_OOB_DATA *p_oob_data,
2741                       tBTA_AUTH_REQ *p_auth_req, BOOLEAN is_orig)
2742 {
2743     UINT8   yes_no_bit = BTA_AUTH_SP_YES & *p_auth_req;
2744     /* if local initiated:
2745     **      1. set DD + MITM
2746     ** if remote initiated:
2747     **      1. Copy over the auth_req from peer's io_rsp
2748     **      2. Set the MITM if peer has it set or if peer has DisplayYesNo (iPhone)
2749     ** as a fallback set MITM+GB if peer had MITM set
2750     */
2751     UNUSED (bd_addr);
2752     UNUSED (p_io_cap);
2753     UNUSED (p_oob_data);
2754 
2755     BTIF_TRACE_DEBUG("+%s: p_auth_req=%d", __FUNCTION__, *p_auth_req);
2756     if(pairing_cb.is_local_initiated)
2757     {
2758         /* if initing/responding to a dedicated bonding, use dedicate bonding bit */
2759         *p_auth_req = BTA_AUTH_DD_BOND | BTA_AUTH_SP_YES;
2760     }
2761     else if (!is_orig)
2762     {
2763         /* peer initiated paring. They probably know what they want.
2764         ** Copy the mitm from peer device.
2765         */
2766         BTIF_TRACE_DEBUG("%s: setting p_auth_req to peer's: %d",
2767                 __FUNCTION__, pairing_cb.auth_req);
2768         *p_auth_req = (pairing_cb.auth_req & BTA_AUTH_BONDS);
2769 
2770         /* copy over the MITM bit as well. In addition if the peer has DisplayYesNo, force MITM */
2771         if ((yes_no_bit) || (pairing_cb.io_cap & BTM_IO_CAP_IO) )
2772             *p_auth_req |= BTA_AUTH_SP_YES;
2773     }
2774     else if (yes_no_bit)
2775     {
2776         /* set the general bonding bit for stored device */
2777         *p_auth_req = BTA_AUTH_GEN_BOND | yes_no_bit;
2778     }
2779     BTIF_TRACE_DEBUG("-%s: p_auth_req=%d", __FUNCTION__, *p_auth_req);
2780 }
2781 
btif_dm_proc_io_rsp(BD_ADDR bd_addr,tBTA_IO_CAP io_cap,tBTA_OOB_DATA oob_data,tBTA_AUTH_REQ auth_req)2782 void btif_dm_proc_io_rsp(BD_ADDR bd_addr, tBTA_IO_CAP io_cap,
2783                       tBTA_OOB_DATA oob_data, tBTA_AUTH_REQ auth_req)
2784 {
2785     UNUSED (bd_addr);
2786     UNUSED (oob_data);
2787 
2788     if(auth_req & BTA_AUTH_BONDS)
2789     {
2790         BTIF_TRACE_DEBUG("%s auth_req:%d", __FUNCTION__, auth_req);
2791         pairing_cb.auth_req = auth_req;
2792         pairing_cb.io_cap = io_cap;
2793     }
2794 }
2795 
btif_dm_set_oob_for_io_req(tBTA_OOB_DATA * p_has_oob_data)2796 void btif_dm_set_oob_for_io_req(tBTA_OOB_DATA  *p_has_oob_data)
2797 {
2798     if (is_empty_128bit(oob_cb.oob_data.c192))
2799     {
2800         *p_has_oob_data = FALSE;
2801     }
2802     else
2803     {
2804         *p_has_oob_data = TRUE;
2805     }
2806     BTIF_TRACE_DEBUG("%s: *p_has_oob_data=%d", __func__, *p_has_oob_data);
2807 }
2808 
btif_dm_set_oob_for_le_io_req(BD_ADDR bd_addr,tBTA_OOB_DATA * p_has_oob_data,tBTA_LE_AUTH_REQ * p_auth_req)2809 void btif_dm_set_oob_for_le_io_req(BD_ADDR bd_addr, tBTA_OOB_DATA  *p_has_oob_data,
2810                                    tBTA_LE_AUTH_REQ *p_auth_req)
2811 {
2812 
2813     /* We currently support only Security Manager TK as OOB data for LE transport.
2814        If it's not present mark no OOB data.
2815      */
2816     if (!is_empty_128bit(oob_cb.oob_data.sm_tk))
2817     {
2818         /* make sure OOB data is for this particular device */
2819         if (memcmp(bd_addr, oob_cb.bdaddr, BD_ADDR_LEN) == 0) {
2820             // When using OOB with TK, SC Secure Connections bit must be disabled.
2821             tBTA_LE_AUTH_REQ mask = ~BTM_LE_AUTH_REQ_SC_ONLY;
2822             *p_auth_req = ((*p_auth_req) & mask);
2823 
2824             *p_has_oob_data = TRUE;
2825         }
2826         else
2827         {
2828             *p_has_oob_data = FALSE;
2829             BTIF_TRACE_WARNING("%s: remote address didn't match OOB data address",
2830                                __func__);
2831         }
2832     }
2833     else
2834     {
2835         *p_has_oob_data = FALSE;
2836     }
2837     BTIF_TRACE_DEBUG("%s *p_has_oob_data=%d", __func__, *p_has_oob_data);
2838 }
2839 
2840 #ifdef BTIF_DM_OOB_TEST
btif_dm_load_local_oob(void)2841 void btif_dm_load_local_oob(void)
2842 {
2843     char prop_oob[PROPERTY_VALUE_MAX];
2844     osi_property_get("service.brcm.bt.oob", prop_oob, "3");
2845     BTIF_TRACE_DEBUG("%s: prop_oob = %s", __func__, prop_oob);
2846     if (prop_oob[0] != '3')
2847     {
2848         if (is_empty_128bit(oob_cb.oob_data.c192))
2849         {
2850             BTIF_TRACE_DEBUG("%s: read OOB, call BTA_DmLocalOob()", __func__);
2851             BTA_DmLocalOob();
2852         }
2853     }
2854 }
2855 
btif_dm_proc_loc_oob(BOOLEAN valid,BT_OCTET16 c,BT_OCTET16 r)2856 void btif_dm_proc_loc_oob(BOOLEAN valid, BT_OCTET16 c, BT_OCTET16 r)
2857 {
2858     FILE *fp;
2859     char *path_a = "/data/misc/bluedroid/LOCAL/a.key";
2860     char *path_b = "/data/misc/bluedroid/LOCAL/b.key";
2861     char *path = NULL;
2862     char prop_oob[PROPERTY_VALUE_MAX];
2863     BTIF_TRACE_DEBUG("%s: valid=%d", __func__, valid);
2864     if (is_empty_128bit(oob_cb.oob_data.c192) && valid)
2865     {
2866         BTIF_TRACE_DEBUG("save local OOB data in memory");
2867         memcpy(oob_cb.oob_data.c192, c, BT_OCTET16_LEN);
2868         memcpy(oob_cb.oob_data.r192, r, BT_OCTET16_LEN);
2869         osi_property_get("service.brcm.bt.oob", prop_oob, "3");
2870         BTIF_TRACE_DEBUG("%s: prop_oob = %s", __func__, prop_oob);
2871         if (prop_oob[0] == '1')
2872             path = path_a;
2873         else if (prop_oob[0] == '2')
2874             path = path_b;
2875         if (path)
2876         {
2877             fp = fopen(path, "wb+");
2878             if (fp == NULL)
2879             {
2880                 BTIF_TRACE_DEBUG("%s: failed to save local OOB data to %s", __func__, path);
2881             }
2882             else
2883             {
2884                 BTIF_TRACE_DEBUG("%s: save local OOB data into file %s", __func__, path);
2885                 fwrite (c , 1 , BT_OCTET16_LEN , fp );
2886                 fwrite (r , 1 , BT_OCTET16_LEN , fp );
2887                 fclose(fp);
2888             }
2889         }
2890     }
2891 }
2892 
2893 /*******************************************************************************
2894 **
2895 ** Function         btif_dm_get_smp_config
2896 **
2897 ** Description      Retrieve the SMP pairing options from the bt_stack.conf
2898 **                  file. To provide specific pairing options for the host
2899 **                  add a node with label "SmpOptions" to the config file
2900 **                  and assign it a comma separated list of 5 values in the
2901 **                  format: auth, io, ikey, rkey, ksize, oob
2902 **                  eg: PTS_SmpOptions=0xD,0x4,0xf,0xf,0x10
2903 **
2904 ** Parameters:      tBTE_APPL_CFG*: pointer to struct defining pairing options
2905 **
2906 ** Returns          TRUE if the options were successfully read, else FALSE
2907 **
2908 *******************************************************************************/
btif_dm_get_smp_config(tBTE_APPL_CFG * p_cfg)2909 BOOLEAN btif_dm_get_smp_config(tBTE_APPL_CFG* p_cfg) {
2910 
2911     if(!stack_config_get_interface()->get_pts_smp_options()) {
2912         BTIF_TRACE_DEBUG ("%s: SMP options not found in configuration", __func__);
2913         return FALSE;
2914     }
2915 
2916     char conf[64];
2917     const char* recv = stack_config_get_interface()->get_pts_smp_options();
2918     char* pch;
2919     char* endptr;
2920 
2921     strncpy(conf, recv, 64);
2922     conf[63] = 0; // null terminate
2923 
2924     if ((pch = strtok(conf, ",")) != NULL)
2925         p_cfg->ble_auth_req = (UINT8) strtoul(pch, &endptr, 16);
2926     else
2927         return FALSE;
2928 
2929     if ((pch = strtok(NULL, ",")) != NULL)
2930         p_cfg->ble_io_cap =  (UINT8) strtoul(pch, &endptr, 16);
2931     else
2932         return FALSE;
2933 
2934     if ((pch = strtok(NULL, ",")) != NULL)
2935         p_cfg->ble_init_key =  (UINT8) strtoul(pch, &endptr, 16);
2936     else
2937         return FALSE;
2938 
2939     if ((pch = strtok(NULL, ",")) != NULL)
2940         p_cfg->ble_resp_key =  (UINT8) strtoul(pch, &endptr, 16);
2941     else
2942         return FALSE;
2943 
2944     if ((pch = strtok(NULL, ",")) != NULL)
2945         p_cfg->ble_max_key_size =  (UINT8) strtoul(pch, &endptr, 16);
2946     else
2947         return FALSE;
2948 
2949     return TRUE;
2950 }
2951 
btif_dm_proc_rmt_oob(BD_ADDR bd_addr,BT_OCTET16 p_c,BT_OCTET16 p_r)2952 BOOLEAN btif_dm_proc_rmt_oob(BD_ADDR bd_addr,  BT_OCTET16 p_c, BT_OCTET16 p_r)
2953 {
2954     char t[128];
2955     FILE *fp;
2956     char *path_a = "/data/misc/bluedroid/LOCAL/a.key";
2957     char *path_b = "/data/misc/bluedroid/LOCAL/b.key";
2958     char *path = NULL;
2959     char prop_oob[PROPERTY_VALUE_MAX];
2960     BOOLEAN result = FALSE;
2961     bt_bdaddr_t bt_bd_addr;
2962     bdcpy(oob_cb.bdaddr, bd_addr);
2963     osi_property_get("service.brcm.bt.oob", prop_oob, "3");
2964     BTIF_TRACE_DEBUG("%s: prop_oob = %s", __func__, prop_oob);
2965     if (prop_oob[0] == '1')
2966         path = path_b;
2967     else if (prop_oob[0] == '2')
2968         path = path_a;
2969     if (path)
2970     {
2971         fp = fopen(path, "rb");
2972         if (fp == NULL)
2973         {
2974             BTIF_TRACE_DEBUG("%s: failed to read OOB keys from %s", __func__, path);
2975             return FALSE;
2976         }
2977         else
2978         {
2979             BTIF_TRACE_DEBUG("%s: read OOB data from %s", __func__, path);
2980             fread (p_c , 1 , BT_OCTET16_LEN , fp );
2981             fread (p_r , 1 , BT_OCTET16_LEN , fp );
2982             fclose(fp);
2983         }
2984         BTIF_TRACE_DEBUG("----%s: TRUE", __func__);
2985         sprintf(t, "%02x:%02x:%02x:%02x:%02x:%02x",
2986                 oob_cb.bdaddr[0], oob_cb.bdaddr[1], oob_cb.bdaddr[2],
2987                 oob_cb.bdaddr[3], oob_cb.bdaddr[4], oob_cb.bdaddr[5]);
2988         BTIF_TRACE_DEBUG("----%s: peer_bdaddr = %s", __func__, t);
2989         sprintf(t, "%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x",
2990                 p_c[0], p_c[1], p_c[2],  p_c[3],  p_c[4],  p_c[5],  p_c[6],  p_c[7],
2991                 p_c[8], p_c[9], p_c[10], p_c[11], p_c[12], p_c[13], p_c[14], p_c[15]);
2992         BTIF_TRACE_DEBUG("----%s: c = %s", __func__, t);
2993         sprintf(t, "%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x",
2994                 p_r[0], p_r[1], p_r[2],  p_r[3],  p_r[4],  p_r[5],  p_r[6],  p_r[7],
2995                 p_r[8], p_r[9], p_r[10], p_r[11], p_r[12], p_r[13], p_r[14], p_r[15]);
2996         BTIF_TRACE_DEBUG("----%s: r = %s", __func__, t);
2997         bdcpy(bt_bd_addr.address, bd_addr);
2998         btif_transfer_context(btif_dm_generic_evt, BTIF_DM_CB_BOND_STATE_BONDING,
2999                               (char *)&bt_bd_addr, sizeof(bt_bdaddr_t), NULL);
3000         result = TRUE;
3001     }
3002     BTIF_TRACE_DEBUG("%s: result=%d", __func__, result);
3003     return result;
3004 }
3005 #endif /*  BTIF_DM_OOB_TEST */
3006 #if (defined(BLE_INCLUDED) && (BLE_INCLUDED == TRUE))
3007 
btif_dm_ble_key_notif_evt(tBTA_DM_SP_KEY_NOTIF * p_ssp_key_notif)3008 static void btif_dm_ble_key_notif_evt(tBTA_DM_SP_KEY_NOTIF *p_ssp_key_notif)
3009 {
3010     bt_bdaddr_t bd_addr;
3011     bt_bdname_t bd_name;
3012     UINT32 cod;
3013     int dev_type;
3014 
3015     BTIF_TRACE_DEBUG("%s", __FUNCTION__);
3016 
3017     /* Remote name update */
3018     if (!btif_get_device_type(p_ssp_key_notif->bd_addr, &dev_type))
3019     {
3020         dev_type = BT_DEVICE_TYPE_BLE;
3021     }
3022     btif_dm_update_ble_remote_properties(p_ssp_key_notif->bd_addr , p_ssp_key_notif->bd_name,
3023                                          (tBT_DEVICE_TYPE) dev_type);
3024     bdcpy(bd_addr.address, p_ssp_key_notif->bd_addr);
3025     memcpy(bd_name.name, p_ssp_key_notif->bd_name, BD_NAME_LEN);
3026 
3027     bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
3028     pairing_cb.is_ssp = FALSE;
3029     cod = COD_UNCLASSIFIED;
3030 
3031     HAL_CBACK(bt_hal_cbacks, ssp_request_cb, &bd_addr, &bd_name,
3032               cod, BT_SSP_VARIANT_PASSKEY_NOTIFICATION,
3033               p_ssp_key_notif->passkey);
3034 }
3035 
3036 /*******************************************************************************
3037 **
3038 ** Function         btif_dm_ble_auth_cmpl_evt
3039 **
3040 ** Description      Executes authentication complete event in btif context
3041 **
3042 ** Returns          void
3043 **
3044 *******************************************************************************/
btif_dm_ble_auth_cmpl_evt(tBTA_DM_AUTH_CMPL * p_auth_cmpl)3045 static void btif_dm_ble_auth_cmpl_evt (tBTA_DM_AUTH_CMPL *p_auth_cmpl)
3046 {
3047     /* Save link key, if not temporary */
3048     bt_bdaddr_t bd_addr;
3049     bt_status_t status = BT_STATUS_FAIL;
3050     bt_bond_state_t state = BT_BOND_STATE_NONE;
3051 
3052     bdcpy(bd_addr.address, p_auth_cmpl->bd_addr);
3053 
3054     /* Clear OOB data */
3055     memset(&oob_cb, 0, sizeof(oob_cb));
3056 
3057     if ( (p_auth_cmpl->success == TRUE) && (p_auth_cmpl->key_present) )
3058     {
3059         /* store keys */
3060     }
3061     if (p_auth_cmpl->success)
3062     {
3063         status = BT_STATUS_SUCCESS;
3064         state = BT_BOND_STATE_BONDED;
3065         int addr_type;
3066         bt_bdaddr_t bdaddr;
3067         bdcpy(bdaddr.address, p_auth_cmpl->bd_addr);
3068         if (btif_storage_get_remote_addr_type(&bdaddr, &addr_type) != BT_STATUS_SUCCESS)
3069             btif_storage_set_remote_addr_type(&bdaddr, p_auth_cmpl->addr_type);
3070 
3071         /* Test for temporary bonding */
3072         if (btm_get_bond_type_dev(p_auth_cmpl->bd_addr) == BOND_TYPE_TEMPORARY) {
3073             BTIF_TRACE_DEBUG("%s: sending BT_BOND_STATE_NONE for Temp pairing",
3074                              __func__);
3075             btif_storage_remove_bonded_device(&bdaddr);
3076             state = BT_BOND_STATE_NONE;
3077         } else {
3078             btif_dm_save_ble_bonding_keys();
3079             BTA_GATTC_Refresh(bd_addr.address);
3080             btif_dm_get_remote_services_by_transport(&bd_addr, BTA_GATT_TRANSPORT_LE);
3081         }
3082     }
3083     else
3084     {
3085         /*Map the HCI fail reason  to  bt status  */
3086         switch (p_auth_cmpl->fail_reason)
3087         {
3088             case BTA_DM_AUTH_SMP_PAIR_AUTH_FAIL:
3089             case BTA_DM_AUTH_SMP_CONFIRM_VALUE_FAIL:
3090                 btif_dm_remove_ble_bonding_keys();
3091                 status = BT_STATUS_AUTH_FAILURE;
3092                 break;
3093             case BTA_DM_AUTH_SMP_PAIR_NOT_SUPPORT:
3094                 status = BT_STATUS_AUTH_REJECTED;
3095                 break;
3096             default:
3097                 btif_dm_remove_ble_bonding_keys();
3098                 status =  BT_STATUS_FAIL;
3099                 break;
3100         }
3101     }
3102     bond_state_changed(status, &bd_addr, state);
3103 }
3104 
btif_dm_load_ble_local_keys(void)3105 void    btif_dm_load_ble_local_keys(void)
3106 {
3107     memset(&ble_local_key_cb, 0, sizeof(btif_dm_local_key_cb_t));
3108 
3109     if (btif_storage_get_ble_local_key(BTIF_DM_LE_LOCAL_KEY_ER,(char*)&ble_local_key_cb.er[0],
3110                                        BT_OCTET16_LEN)== BT_STATUS_SUCCESS)
3111     {
3112         ble_local_key_cb.is_er_rcvd = TRUE;
3113         BTIF_TRACE_DEBUG("%s BLE ER key loaded",__FUNCTION__ );
3114     }
3115 
3116     if ((btif_storage_get_ble_local_key(BTIF_DM_LE_LOCAL_KEY_IR,(char*)&ble_local_key_cb.id_keys.ir[0],
3117                                         BT_OCTET16_LEN)== BT_STATUS_SUCCESS )&&
3118         (btif_storage_get_ble_local_key(BTIF_DM_LE_LOCAL_KEY_IRK, (char*)&ble_local_key_cb.id_keys.irk[0],
3119                                         BT_OCTET16_LEN)== BT_STATUS_SUCCESS)&&
3120         (btif_storage_get_ble_local_key(BTIF_DM_LE_LOCAL_KEY_DHK,(char*)&ble_local_key_cb.id_keys.dhk[0],
3121                                         BT_OCTET16_LEN)== BT_STATUS_SUCCESS))
3122     {
3123         ble_local_key_cb.is_id_keys_rcvd = TRUE;
3124         BTIF_TRACE_DEBUG("%s BLE ID keys loaded",__FUNCTION__ );
3125     }
3126 
3127 }
btif_dm_get_ble_local_keys(tBTA_DM_BLE_LOCAL_KEY_MASK * p_key_mask,BT_OCTET16 er,tBTA_BLE_LOCAL_ID_KEYS * p_id_keys)3128 void    btif_dm_get_ble_local_keys(tBTA_DM_BLE_LOCAL_KEY_MASK *p_key_mask, BT_OCTET16 er,
3129                                    tBTA_BLE_LOCAL_ID_KEYS *p_id_keys)
3130 {
3131     if (ble_local_key_cb.is_er_rcvd )
3132     {
3133         memcpy(&er[0], &ble_local_key_cb.er[0], sizeof(BT_OCTET16));
3134         *p_key_mask |= BTA_BLE_LOCAL_KEY_TYPE_ER;
3135     }
3136 
3137     if (ble_local_key_cb.is_id_keys_rcvd)
3138     {
3139         memcpy(&p_id_keys->ir[0], &ble_local_key_cb.id_keys.ir[0], sizeof(BT_OCTET16));
3140         memcpy(&p_id_keys->irk[0],  &ble_local_key_cb.id_keys.irk[0], sizeof(BT_OCTET16));
3141         memcpy(&p_id_keys->dhk[0],  &ble_local_key_cb.id_keys.dhk[0], sizeof(BT_OCTET16));
3142         *p_key_mask |= BTA_BLE_LOCAL_KEY_TYPE_ID;
3143     }
3144     BTIF_TRACE_DEBUG("%s  *p_key_mask=0x%02x",__FUNCTION__,   *p_key_mask);
3145 }
3146 
btif_dm_save_ble_bonding_keys(void)3147 void btif_dm_save_ble_bonding_keys(void)
3148 {
3149 
3150     bt_bdaddr_t bd_addr;
3151 
3152     BTIF_TRACE_DEBUG("%s",__FUNCTION__ );
3153 
3154     bdcpy(bd_addr.address, pairing_cb.bd_addr);
3155 
3156     if (pairing_cb.ble.is_penc_key_rcvd)
3157     {
3158         btif_storage_add_ble_bonding_key(&bd_addr,
3159                                          (char *) &pairing_cb.ble.penc_key,
3160                                          BTIF_DM_LE_KEY_PENC,
3161                                          sizeof(tBTM_LE_PENC_KEYS));
3162     }
3163 
3164     if (pairing_cb.ble.is_pid_key_rcvd)
3165     {
3166         btif_storage_add_ble_bonding_key(&bd_addr,
3167                                          (char *) &pairing_cb.ble.pid_key,
3168                                          BTIF_DM_LE_KEY_PID,
3169                                          sizeof(tBTM_LE_PID_KEYS));
3170     }
3171 
3172     if (pairing_cb.ble.is_pcsrk_key_rcvd)
3173     {
3174         btif_storage_add_ble_bonding_key(&bd_addr,
3175                                          (char *) &pairing_cb.ble.pcsrk_key,
3176                                          BTIF_DM_LE_KEY_PCSRK,
3177                                          sizeof(tBTM_LE_PCSRK_KEYS));
3178     }
3179 
3180     if (pairing_cb.ble.is_lenc_key_rcvd)
3181     {
3182         btif_storage_add_ble_bonding_key(&bd_addr,
3183                                          (char *) &pairing_cb.ble.lenc_key,
3184                                          BTIF_DM_LE_KEY_LENC,
3185                                          sizeof(tBTM_LE_LENC_KEYS));
3186     }
3187 
3188     if (pairing_cb.ble.is_lcsrk_key_rcvd)
3189     {
3190         btif_storage_add_ble_bonding_key(&bd_addr,
3191                                          (char *) &pairing_cb.ble.lcsrk_key,
3192                                          BTIF_DM_LE_KEY_LCSRK,
3193                                          sizeof(tBTM_LE_LCSRK_KEYS));
3194     }
3195 
3196     if (pairing_cb.ble.is_lidk_key_rcvd)
3197     {
3198         btif_storage_add_ble_bonding_key(&bd_addr,
3199                                          NULL,
3200                                          BTIF_DM_LE_KEY_LID,
3201                                          0);
3202     }
3203 
3204 }
3205 
btif_dm_remove_ble_bonding_keys(void)3206 void btif_dm_remove_ble_bonding_keys(void)
3207 {
3208     bt_bdaddr_t bd_addr;
3209 
3210     BTIF_TRACE_DEBUG("%s",__FUNCTION__ );
3211 
3212     bdcpy(bd_addr.address, pairing_cb.bd_addr);
3213     btif_storage_remove_ble_bonding_keys(&bd_addr);
3214 }
3215 
3216 /*******************************************************************************
3217 **
3218 ** Function         btif_dm_ble_sec_req_evt
3219 **
3220 ** Description      Eprocess security request event in btif context
3221 **
3222 ** Returns          void
3223 **
3224 *******************************************************************************/
btif_dm_ble_sec_req_evt(tBTA_DM_BLE_SEC_REQ * p_ble_req)3225 void btif_dm_ble_sec_req_evt(tBTA_DM_BLE_SEC_REQ *p_ble_req)
3226 {
3227     bt_bdaddr_t bd_addr;
3228     bt_bdname_t bd_name;
3229     UINT32 cod;
3230     int dev_type;
3231 
3232     BTIF_TRACE_DEBUG("%s", __FUNCTION__);
3233 
3234     if (pairing_cb.state == BT_BOND_STATE_BONDING)
3235     {
3236         BTIF_TRACE_DEBUG("%s Discard security request", __FUNCTION__);
3237         return;
3238     }
3239 
3240     /* Remote name update */
3241     if (!btif_get_device_type(p_ble_req->bd_addr, &dev_type))
3242     {
3243         dev_type = BT_DEVICE_TYPE_BLE;
3244     }
3245     btif_dm_update_ble_remote_properties(p_ble_req->bd_addr, p_ble_req->bd_name,
3246                                          (tBT_DEVICE_TYPE) dev_type);
3247 
3248     bdcpy(bd_addr.address, p_ble_req->bd_addr);
3249     memcpy(bd_name.name, p_ble_req->bd_name, BD_NAME_LEN);
3250 
3251     bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
3252 
3253     pairing_cb.bond_type = BOND_TYPE_PERSISTENT;
3254     pairing_cb.is_le_only = TRUE;
3255     pairing_cb.is_le_nc = FALSE;
3256     pairing_cb.is_ssp = TRUE;
3257     btm_set_bond_type_dev(p_ble_req->bd_addr, pairing_cb.bond_type);
3258 
3259     cod = COD_UNCLASSIFIED;
3260 
3261     HAL_CBACK(bt_hal_cbacks, ssp_request_cb, &bd_addr, &bd_name, cod,
3262               BT_SSP_VARIANT_CONSENT, 0);
3263 }
3264 
3265 /*******************************************************************************
3266 **
3267 ** Function         btif_dm_ble_passkey_req_evt
3268 **
3269 ** Description      Executes pin request event in btif context
3270 **
3271 ** Returns          void
3272 **
3273 *******************************************************************************/
btif_dm_ble_passkey_req_evt(tBTA_DM_PIN_REQ * p_pin_req)3274 static void btif_dm_ble_passkey_req_evt(tBTA_DM_PIN_REQ *p_pin_req)
3275 {
3276     bt_bdaddr_t bd_addr;
3277     bt_bdname_t bd_name;
3278     UINT32 cod;
3279     int dev_type;
3280 
3281     /* Remote name update */
3282     if (!btif_get_device_type(p_pin_req->bd_addr, &dev_type))
3283     {
3284         dev_type = BT_DEVICE_TYPE_BLE;
3285     }
3286     btif_dm_update_ble_remote_properties(p_pin_req->bd_addr,p_pin_req->bd_name,
3287                                          (tBT_DEVICE_TYPE) dev_type);
3288 
3289     bdcpy(bd_addr.address, p_pin_req->bd_addr);
3290     memcpy(bd_name.name, p_pin_req->bd_name, BD_NAME_LEN);
3291 
3292     bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
3293     pairing_cb.is_le_only = TRUE;
3294 
3295     cod = COD_UNCLASSIFIED;
3296 
3297     HAL_CBACK(bt_hal_cbacks, pin_request_cb,
3298               &bd_addr, &bd_name, cod, FALSE);
3299 }
btif_dm_ble_key_nc_req_evt(tBTA_DM_SP_KEY_NOTIF * p_notif_req)3300 static void btif_dm_ble_key_nc_req_evt(tBTA_DM_SP_KEY_NOTIF *p_notif_req)
3301 {
3302     /* TODO implement key notification for numeric comparison */
3303     BTIF_TRACE_DEBUG("%s", __FUNCTION__);
3304 
3305     /* Remote name update */
3306     btif_update_remote_properties(p_notif_req->bd_addr , p_notif_req->bd_name,
3307                                           NULL, BT_DEVICE_TYPE_BLE);
3308 
3309     bt_bdaddr_t bd_addr;
3310     bdcpy(bd_addr.address, p_notif_req->bd_addr);
3311 
3312     bt_bdname_t bd_name;
3313     memcpy(bd_name.name, p_notif_req->bd_name, BD_NAME_LEN);
3314 
3315     bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
3316     pairing_cb.is_ssp = FALSE;
3317     pairing_cb.is_le_only = TRUE;
3318     pairing_cb.is_le_nc = TRUE;
3319 
3320     HAL_CBACK(bt_hal_cbacks, ssp_request_cb, &bd_addr, &bd_name,
3321               COD_UNCLASSIFIED, BT_SSP_VARIANT_PASSKEY_CONFIRMATION,
3322               p_notif_req->passkey);
3323 }
3324 
btif_dm_ble_oob_req_evt(tBTA_DM_SP_RMT_OOB * req_oob_type)3325 static void btif_dm_ble_oob_req_evt(tBTA_DM_SP_RMT_OOB *req_oob_type)
3326 {
3327     BTIF_TRACE_DEBUG("%s", __FUNCTION__);
3328 
3329     bt_bdaddr_t bd_addr;
3330     bdcpy(bd_addr.address, req_oob_type->bd_addr);
3331 
3332     /* We currently support only Security Manager TK as OOB data. We already
3333      * checked if it's present in btif_dm_set_oob_for_le_io_req, but check here
3334      * again. If it's not present do nothing, pairing will timeout.
3335      */
3336     if (is_empty_128bit(oob_cb.oob_data.sm_tk)) {
3337         return;
3338     }
3339 
3340     /* make sure OOB data is for this particular device */
3341     if (memcmp(req_oob_type->bd_addr, oob_cb.bdaddr, BD_ADDR_LEN) != 0) {
3342         BTIF_TRACE_WARNING("%s: remote address didn't match OOB data address", __func__);
3343         return;
3344     }
3345 
3346     /* Remote name update */
3347     btif_update_remote_properties(req_oob_type->bd_addr , req_oob_type->bd_name,
3348                                           NULL, BT_DEVICE_TYPE_BLE);
3349 
3350     bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
3351     pairing_cb.is_ssp = FALSE;
3352     pairing_cb.is_le_only = TRUE;
3353     pairing_cb.is_le_nc = FALSE;
3354 
3355     BTM_BleOobDataReply(req_oob_type->bd_addr, 0, 16, oob_cb.oob_data.sm_tk);
3356 }
3357 
btif_dm_update_ble_remote_properties(BD_ADDR bd_addr,BD_NAME bd_name,tBT_DEVICE_TYPE dev_type)3358 void btif_dm_update_ble_remote_properties( BD_ADDR bd_addr, BD_NAME bd_name,
3359                                            tBT_DEVICE_TYPE dev_type)
3360 {
3361    btif_update_remote_properties(bd_addr,bd_name,NULL,dev_type);
3362 }
3363 
btif_dm_ble_tx_test_cback(void * p)3364 static void btif_dm_ble_tx_test_cback(void *p)
3365 {
3366     btif_transfer_context(btif_dm_generic_evt, BTIF_DM_CB_LE_TX_TEST,
3367                           (char *)p, 1, NULL);
3368 }
3369 
btif_dm_ble_rx_test_cback(void * p)3370 static void btif_dm_ble_rx_test_cback(void *p)
3371 {
3372     btif_transfer_context(btif_dm_generic_evt, BTIF_DM_CB_LE_RX_TEST,
3373                           (char *)p, 1, NULL);
3374 }
3375 
btif_dm_ble_test_end_cback(void * p)3376 static void btif_dm_ble_test_end_cback(void *p)
3377 {
3378     btif_transfer_context(btif_dm_generic_evt, BTIF_DM_CB_LE_TEST_END,
3379                           (char *)p, 3, NULL);
3380 }
3381 /*******************************************************************************
3382 **
3383 ** Function         btif_le_test_mode
3384 **
3385 ** Description     Sends a HCI BLE Test command to the Controller
3386 **
3387 ** Returns          BT_STATUS_SUCCESS on success
3388 **
3389 *******************************************************************************/
btif_le_test_mode(uint16_t opcode,uint8_t * buf,uint8_t len)3390 bt_status_t btif_le_test_mode(uint16_t opcode, uint8_t *buf, uint8_t len)
3391 {
3392      switch (opcode) {
3393          case HCI_BLE_TRANSMITTER_TEST:
3394              if (len != 3) return BT_STATUS_PARM_INVALID;
3395              BTM_BleTransmitterTest(buf[0],buf[1],buf[2], btif_dm_ble_tx_test_cback);
3396              break;
3397          case HCI_BLE_RECEIVER_TEST:
3398              if (len != 1) return BT_STATUS_PARM_INVALID;
3399              BTM_BleReceiverTest(buf[0], btif_dm_ble_rx_test_cback);
3400              break;
3401          case HCI_BLE_TEST_END:
3402              BTM_BleTestEnd((tBTM_CMPL_CB*) btif_dm_ble_test_end_cback);
3403              break;
3404          default:
3405              BTIF_TRACE_ERROR("%s: Unknown LE Test Mode Command 0x%x", __FUNCTION__, opcode);
3406              return BT_STATUS_UNSUPPORTED;
3407      }
3408      return BT_STATUS_SUCCESS;
3409 }
3410 #endif
3411 
btif_dm_on_disable()3412 void btif_dm_on_disable()
3413 {
3414     /* cancel any pending pairing requests */
3415     if (pairing_cb.state == BT_BOND_STATE_BONDING)
3416     {
3417         bt_bdaddr_t bd_addr;
3418 
3419         BTIF_TRACE_DEBUG("%s: Cancel pending pairing request", __FUNCTION__);
3420         bdcpy(bd_addr.address, pairing_cb.bd_addr);
3421         btif_dm_cancel_bond(&bd_addr);
3422     }
3423 }
3424 
3425 /*******************************************************************************
3426 **
3427 ** Function         btif_dm_read_energy_info
3428 **
3429 ** Description     Reads the energy info from controller
3430 **
3431 ** Returns         void
3432 **
3433 *******************************************************************************/
btif_dm_read_energy_info()3434 void btif_dm_read_energy_info()
3435 {
3436 #if (defined(BLE_INCLUDED) && (BLE_INCLUDED == TRUE))
3437     BTA_DmBleGetEnergyInfo(bta_energy_info_cb);
3438 #endif
3439 }
3440 
btif_get_default_local_name()3441 static char* btif_get_default_local_name() {
3442     if (btif_default_local_name[0] == '\0')
3443     {
3444         int max_len = sizeof(btif_default_local_name) - 1;
3445         if (BTM_DEF_LOCAL_NAME[0] != '\0')
3446         {
3447             strncpy(btif_default_local_name, BTM_DEF_LOCAL_NAME, max_len);
3448         }
3449         else
3450         {
3451             char prop_model[PROPERTY_VALUE_MAX];
3452             osi_property_get(PROPERTY_PRODUCT_MODEL, prop_model, "");
3453             strncpy(btif_default_local_name, prop_model, max_len);
3454         }
3455         btif_default_local_name[max_len] = '\0';
3456     }
3457     return btif_default_local_name;
3458 }
3459 
btif_stats_add_bond_event(const bt_bdaddr_t * bd_addr,bt_bond_function_t function,bt_bond_state_t state)3460 static void btif_stats_add_bond_event(const bt_bdaddr_t *bd_addr,
3461                                       bt_bond_function_t function,
3462                                       bt_bond_state_t state) {
3463     pthread_mutex_lock(&bond_event_lock);
3464 
3465     btif_bond_event_t* event = &btif_dm_bond_events[btif_events_end_index];
3466     memcpy(&event->bd_addr, bd_addr, sizeof(bt_bdaddr_t));
3467     event->function = function;
3468     event->state = state;
3469     clock_gettime(CLOCK_REALTIME, &event->timestamp);
3470 
3471     btif_num_bond_events++;
3472     btif_events_end_index = (btif_events_end_index + 1) % (MAX_BTIF_BOND_EVENT_ENTRIES + 1);
3473     if (btif_events_end_index == btif_events_start_index) {
3474         btif_events_start_index = (btif_events_start_index + 1) % (MAX_BTIF_BOND_EVENT_ENTRIES + 1);
3475     }
3476 
3477     int type;
3478     btif_get_device_type(bd_addr->address, &type);
3479 
3480     device_type_t device_type;
3481     switch (type) {
3482         case BT_DEVICE_TYPE_BREDR:
3483             device_type = DEVICE_TYPE_BREDR;
3484             break;
3485         case BT_DEVICE_TYPE_BLE:
3486             device_type = DEVICE_TYPE_LE;
3487             break;
3488         case BT_DEVICE_TYPE_DUMO:
3489             device_type = DEVICE_TYPE_DUMO;
3490             break;
3491         default:
3492             device_type = DEVICE_TYPE_UNKNOWN;
3493             break;
3494     }
3495 
3496     uint32_t cod = get_cod(bd_addr);
3497     uint64_t ts = event->timestamp.tv_sec * 1000 +
3498                   event->timestamp.tv_nsec / 1000000;
3499     metrics_pair_event(0, ts, cod, device_type);
3500 
3501     pthread_mutex_unlock(&bond_event_lock);
3502 }
3503 
btif_debug_bond_event_dump(int fd)3504 void btif_debug_bond_event_dump(int fd) {
3505     pthread_mutex_lock(&bond_event_lock);
3506     dprintf(fd, "\nBond Events: \n");
3507     dprintf(fd, "  Total Number of events: %zu\n", btif_num_bond_events);
3508     if (btif_num_bond_events > 0)
3509         dprintf(fd, "  Time          BD_ADDR            Function             State\n");
3510 
3511     for (size_t i = btif_events_start_index; i != btif_events_end_index;
3512          i = (i + 1) % (MAX_BTIF_BOND_EVENT_ENTRIES + 1)) {
3513         btif_bond_event_t* event = &btif_dm_bond_events[i];
3514 
3515         char eventtime[20];
3516         char temptime[20];
3517         struct tm *tstamp = localtime(&event->timestamp.tv_sec);
3518         strftime(temptime, sizeof(temptime), "%H:%M:%S", tstamp);
3519         snprintf(eventtime, sizeof(eventtime), "%s.%03ld", temptime,
3520                  event->timestamp.tv_nsec / 1000000);
3521 
3522         char bdaddr[18];
3523         bdaddr_to_string(&event->bd_addr, bdaddr, sizeof(bdaddr));
3524 
3525         char* func_name;
3526         switch (event->function) {
3527             case BTIF_DM_FUNC_CREATE_BOND:
3528                 func_name = "btif_dm_create_bond";
3529                 break;
3530             case BTIF_DM_FUNC_REMOVE_BOND:
3531                 func_name = "btif_dm_remove_bond";
3532                 break;
3533             case BTIF_DM_FUNC_BOND_STATE_CHANGED:
3534                 func_name = "bond_state_changed ";
3535                 break;
3536             default:
3537                 func_name = "Invalid value      ";
3538                 break;
3539         }
3540 
3541         char* bond_state;
3542         switch (event->state) {
3543             case BT_BOND_STATE_NONE:
3544                 bond_state = "BOND_STATE_NONE";
3545                 break;
3546             case BT_BOND_STATE_BONDING:
3547                 bond_state = "BOND_STATE_BONDING";
3548                 break;
3549             case BT_BOND_STATE_BONDED:
3550                 bond_state = "BOND_STATE_BONDED";
3551                 break;
3552             default:
3553                 bond_state = "Invalid bond state";
3554                 break;
3555         }
3556         dprintf(fd, "  %s  %s  %s  %s\n", eventtime, bdaddr, func_name, bond_state);
3557     }
3558     pthread_mutex_unlock(&bond_event_lock);
3559 }
3560