The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright (C) 1999-2012 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 | * This file contains functions for the Bluetooth Security Manager |
| 22 | * |
| 23 | ******************************************************************************/ |
| 24 | |
| 25 | #include <string.h> |
| 26 | #include "bt_types.h" |
| 27 | #include "hcimsgs.h" |
| 28 | #include "btu.h" |
| 29 | #include "btm_int.h" |
| 30 | #include "l2c_int.h" |
Mike J. Chen | 5cd8bff | 2014-01-31 18:16:59 -0800 | [diff] [blame] | 31 | #include "bt_utils.h" |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 32 | |
| 33 | #if (BT_USE_TRACES == TRUE && BT_TRACE_VERBOSE == FALSE) |
| 34 | /* needed for sprintf() */ |
| 35 | #include <stdio.h> |
| 36 | #endif |
| 37 | |
| 38 | #if BLE_INCLUDED == TRUE |
| 39 | #include "gatt_int.h" |
| 40 | #endif |
| 41 | |
| 42 | #define BTM_SEC_MAX_COLLISION_DELAY (GKI_SECS_TO_TICKS(5)) |
| 43 | |
| 44 | #ifdef APPL_AUTH_WRITE_EXCEPTION |
| 45 | BOOLEAN (APPL_AUTH_WRITE_EXCEPTION)(BD_ADDR bd_addr); |
| 46 | #endif |
| 47 | |
Andre Eisenbach | 6975b4d | 2013-08-05 16:55:38 -0700 | [diff] [blame] | 48 | |
| 49 | /******************************************************************************** |
| 50 | ** L O C A L F U N C T I O N P R O T O T Y P E S * |
| 51 | *********************************************************************************/ |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 52 | static tBTM_SEC_SERV_REC *btm_sec_find_first_serv (BOOLEAN is_originator, UINT16 psm); |
| 53 | static tBTM_SEC_SERV_REC *btm_sec_find_next_serv (tBTM_SEC_SERV_REC *p_cur); |
| 54 | static tBTM_SEC_SERV_REC *btm_sec_find_mx_serv (UINT8 is_originator, UINT16 psm, |
| 55 | UINT32 mx_proto_id, |
| 56 | UINT32 mx_chan_id); |
| 57 | |
| 58 | static tBTM_STATUS btm_sec_execute_procedure (tBTM_SEC_DEV_REC *p_dev_rec); |
| 59 | static BOOLEAN btm_sec_start_get_name (tBTM_SEC_DEV_REC *p_dev_rec); |
| 60 | static BOOLEAN btm_sec_start_authentication (tBTM_SEC_DEV_REC *p_dev_rec); |
| 61 | static BOOLEAN btm_sec_start_encryption (tBTM_SEC_DEV_REC *p_dev_rec); |
| 62 | static void btm_sec_collision_timeout (TIMER_LIST_ENT *p_tle); |
| 63 | static void btm_restore_mode(void); |
| 64 | static void btm_sec_pairing_timeout (TIMER_LIST_ENT *p_tle); |
| 65 | static tBTM_STATUS btm_sec_dd_create_conn (tBTM_SEC_DEV_REC *p_dev_rec); |
| 66 | static void btm_sec_change_pairing_state (tBTM_PAIRING_STATE new_state); |
| 67 | |
| 68 | #if (BT_USE_TRACES == TRUE) |
| 69 | static char *btm_pair_state_descr (tBTM_PAIRING_STATE state); |
| 70 | #endif |
| 71 | |
| 72 | static void btm_sec_check_pending_reqs(void); |
| 73 | static BOOLEAN btm_sec_queue_mx_request (BD_ADDR bd_addr, UINT16 psm, BOOLEAN is_orig, |
| 74 | UINT32 mx_proto_id, UINT32 mx_chan_id, |
| 75 | tBTM_SEC_CALLBACK *p_callback, void *p_ref_data); |
| 76 | static void btm_sec_bond_cancel_complete (void); |
| 77 | static void btm_send_link_key_notif (tBTM_SEC_DEV_REC *p_dev_rec); |
| 78 | static BOOLEAN btm_sec_check_prefetch_pin (tBTM_SEC_DEV_REC *p_dev_rec); |
| 79 | |
| 80 | static UINT8 btm_sec_start_authorization (tBTM_SEC_DEV_REC *p_dev_rec); |
| 81 | BOOLEAN btm_sec_are_all_trusted(UINT32 p_mask[]); |
| 82 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 83 | static tBTM_STATUS btm_sec_send_hci_disconnect (tBTM_SEC_DEV_REC *p_dev_rec, UINT8 reason, UINT16 conn_handle); |
| 84 | UINT8 btm_sec_start_role_switch (tBTM_SEC_DEV_REC *p_dev_rec); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 85 | tBTM_SEC_DEV_REC *btm_sec_find_dev_by_sec_state (UINT8 state); |
| 86 | |
| 87 | static BOOLEAN btm_sec_set_security_level ( CONNECTION_TYPE conn_type, char *p_name, UINT8 service_id, |
| 88 | UINT16 sec_level, UINT16 psm, UINT32 mx_proto_id, |
| 89 | UINT32 mx_chan_id); |
| 90 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 91 | static BOOLEAN btm_dev_authenticated(tBTM_SEC_DEV_REC *p_dev_rec); |
| 92 | static BOOLEAN btm_dev_encrypted(tBTM_SEC_DEV_REC *p_dev_rec); |
| 93 | static BOOLEAN btm_dev_authorized(tBTM_SEC_DEV_REC *p_dev_rec); |
| 94 | static BOOLEAN btm_serv_trusted(tBTM_SEC_DEV_REC *p_dev_rec, tBTM_SEC_SERV_REC *p_serv_rec); |
| 95 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 96 | /* TRUE - authenticated link key is possible */ |
| 97 | static const BOOLEAN btm_sec_io_map [BTM_IO_CAP_MAX][BTM_IO_CAP_MAX] = |
| 98 | { |
| 99 | /* OUT, IO, IN, NONE */ |
| 100 | /* OUT */ {FALSE, FALSE, TRUE, FALSE}, |
| 101 | /* IO */ {FALSE, TRUE, TRUE, FALSE}, |
| 102 | /* IN */ {TRUE, TRUE, TRUE, FALSE}, |
| 103 | /* NONE */ {FALSE, FALSE, FALSE, FALSE} |
| 104 | }; |
| 105 | /* BTM_IO_CAP_OUT 0 DisplayOnly */ |
| 106 | /* BTM_IO_CAP_IO 1 DisplayYesNo */ |
| 107 | /* BTM_IO_CAP_IN 2 KeyboardOnly */ |
| 108 | /* BTM_IO_CAP_NONE 3 NoInputNoOutput */ |
| 109 | |
| 110 | /******************************************************************************* |
| 111 | ** |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 112 | ** Function btm_dev_authenticated |
| 113 | ** |
| 114 | ** Description check device is authenticated |
| 115 | ** |
| 116 | ** Returns BOOLEAN TRUE or FALSE |
| 117 | ** |
| 118 | *******************************************************************************/ |
| 119 | static BOOLEAN btm_dev_authenticated (tBTM_SEC_DEV_REC *p_dev_rec) |
| 120 | { |
| 121 | if(p_dev_rec->sec_flags & BTM_SEC_AUTHENTICATED) |
| 122 | { |
| 123 | return(TRUE); |
| 124 | } |
| 125 | return(FALSE); |
| 126 | } |
| 127 | |
| 128 | /******************************************************************************* |
| 129 | ** |
| 130 | ** Function btm_dev_encrypted |
| 131 | ** |
| 132 | ** Description check device is encrypted |
| 133 | ** |
| 134 | ** Returns BOOLEAN TRUE or FALSE |
| 135 | ** |
| 136 | *******************************************************************************/ |
| 137 | static BOOLEAN btm_dev_encrypted (tBTM_SEC_DEV_REC *p_dev_rec) |
| 138 | { |
| 139 | if(p_dev_rec->sec_flags & BTM_SEC_ENCRYPTED) |
| 140 | { |
| 141 | return(TRUE); |
| 142 | } |
| 143 | return(FALSE); |
| 144 | } |
| 145 | |
| 146 | /******************************************************************************* |
| 147 | ** |
| 148 | ** Function btm_dev_authorized |
| 149 | ** |
| 150 | ** Description check device is authorized |
| 151 | ** |
| 152 | ** Returns BOOLEAN TRUE or FALSE |
| 153 | ** |
| 154 | *******************************************************************************/ |
| 155 | static BOOLEAN btm_dev_authorized (tBTM_SEC_DEV_REC *p_dev_rec) |
| 156 | { |
| 157 | if(p_dev_rec->sec_flags & BTM_SEC_AUTHORIZED) |
| 158 | { |
| 159 | return(TRUE); |
| 160 | } |
| 161 | return(FALSE); |
| 162 | } |
| 163 | |
| 164 | /******************************************************************************* |
| 165 | ** |
| 166 | ** Function btm_serv_trusted |
| 167 | ** |
| 168 | ** Description check service is trusted |
| 169 | ** |
| 170 | ** Returns BOOLEAN TRUE or FALSE |
| 171 | ** |
| 172 | *******************************************************************************/ |
| 173 | static BOOLEAN btm_serv_trusted(tBTM_SEC_DEV_REC *p_dev_rec, tBTM_SEC_SERV_REC *p_serv_rec) |
| 174 | { |
| 175 | if(BTM_SEC_IS_SERVICE_TRUSTED(p_dev_rec->trusted_mask, p_serv_rec->service_id)) |
| 176 | { |
| 177 | return(TRUE); |
| 178 | } |
| 179 | return(FALSE); |
| 180 | } |
| 181 | |
| 182 | /******************************************************************************* |
| 183 | ** |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 184 | ** Function BTM_SecRegister |
| 185 | ** |
| 186 | ** Description Application manager calls this function to register for |
| 187 | ** security services. There can be one and only one application |
| 188 | ** saving link keys. BTM allows only first registration. |
| 189 | ** |
| 190 | ** Returns TRUE if registered OK, else FALSE |
| 191 | ** |
| 192 | *******************************************************************************/ |
| 193 | BOOLEAN BTM_SecRegister (tBTM_APPL_INFO *p_cb_info) |
| 194 | { |
| 195 | #if BLE_INCLUDED == TRUE |
| 196 | BT_OCTET16 temp_value = {0}; |
| 197 | #endif |
| 198 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 199 | BTM_TRACE_EVENT ("BTM_Sec: application registered"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 200 | |
| 201 | #if BLE_INCLUDED == TRUE && SMP_INCLUDED == TRUE |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 202 | if (p_cb_info->p_le_callback) |
| 203 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 204 | BTM_TRACE_ERROR ("BTM_SecRegister:p_cb_info->p_le_callback == 0x%x ", p_cb_info->p_le_callback); |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 205 | |
| 206 | if (p_cb_info->p_le_callback) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 207 | { |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 208 | #if SMP_INCLUDED == TRUE |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 209 | BTM_TRACE_EVENT ("BTM_Sec: SMP_Register( btm_proc_smp_cback )"); |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 210 | SMP_Register(btm_proc_smp_cback); |
| 211 | #endif |
| 212 | /* if no IR is loaded, need to regenerate all the keys */ |
| 213 | if (memcmp(btm_cb.devcb.id_keys.ir, &temp_value, sizeof(BT_OCTET16)) == 0) |
| 214 | { |
| 215 | btm_ble_reset_id(); |
| 216 | } |
| 217 | } |
| 218 | else |
| 219 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 220 | BTM_TRACE_ERROR ("BTM_SecRegister:p_cb_info->p_le_callback == NULL "); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 221 | } |
| 222 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 223 | #endif |
| 224 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 225 | btm_cb.api = *p_cb_info; |
| 226 | #if BLE_INCLUDED == TRUE && SMP_INCLUDED == TRUE |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 227 | BTM_TRACE_ERROR ("BTM_SecRegister: btm_cb.api.p_le_callback = 0x%x ", btm_cb.api.p_le_callback); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 228 | #endif |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 229 | BTM_TRACE_EVENT ("BTM_Sec: application registered"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 230 | return(TRUE); |
| 231 | } |
| 232 | |
| 233 | |
| 234 | /******************************************************************************* |
| 235 | ** |
| 236 | ** Function BTM_SecRegisterLinkKeyNotificationCallback |
| 237 | ** |
| 238 | ** Description Application manager calls this function to register for |
| 239 | ** link key notification. When there is nobody registered |
| 240 | ** we should avoid changing link key |
| 241 | ** |
| 242 | ** Returns TRUE if registered OK, else FALSE |
| 243 | ** |
| 244 | *******************************************************************************/ |
| 245 | BOOLEAN BTM_SecRegisterLinkKeyNotificationCallback (tBTM_LINK_KEY_CALLBACK *p_callback) |
| 246 | { |
| 247 | btm_cb.api.p_link_key_callback = p_callback; |
| 248 | return(TRUE); |
| 249 | } |
| 250 | |
| 251 | |
| 252 | /******************************************************************************* |
| 253 | ** |
| 254 | ** Function BTM_SecAddRmtNameNotifyCallback |
| 255 | ** |
| 256 | ** Description Any profile can register to be notified when name of the |
| 257 | ** remote device is resolved. |
| 258 | ** |
| 259 | ** Returns TRUE if registered OK, else FALSE |
| 260 | ** |
| 261 | *******************************************************************************/ |
| 262 | BOOLEAN BTM_SecAddRmtNameNotifyCallback (tBTM_RMT_NAME_CALLBACK *p_callback) |
| 263 | { |
| 264 | int i; |
| 265 | |
| 266 | for (i = 0; i < BTM_SEC_MAX_RMT_NAME_CALLBACKS; i++) |
| 267 | { |
| 268 | if (btm_cb.p_rmt_name_callback[i] == NULL) |
| 269 | { |
| 270 | btm_cb.p_rmt_name_callback[i] = p_callback; |
| 271 | return(TRUE); |
| 272 | } |
| 273 | } |
| 274 | |
| 275 | return(FALSE); |
| 276 | } |
| 277 | |
| 278 | |
| 279 | /******************************************************************************* |
| 280 | ** |
| 281 | ** Function BTM_SecDeleteRmtNameNotifyCallback |
| 282 | ** |
| 283 | ** Description Any profile can deregister notification when a new Link Key |
| 284 | ** is generated per connection. |
| 285 | ** |
| 286 | ** Returns TRUE if OK, else FALSE |
| 287 | ** |
| 288 | *******************************************************************************/ |
| 289 | BOOLEAN BTM_SecDeleteRmtNameNotifyCallback (tBTM_RMT_NAME_CALLBACK *p_callback) |
| 290 | { |
| 291 | int i; |
| 292 | |
| 293 | for (i = 0; i < BTM_SEC_MAX_RMT_NAME_CALLBACKS; i++) |
| 294 | { |
| 295 | if (btm_cb.p_rmt_name_callback[i] == p_callback) |
| 296 | { |
| 297 | btm_cb.p_rmt_name_callback[i] = NULL; |
| 298 | return(TRUE); |
| 299 | } |
| 300 | } |
| 301 | |
| 302 | return(FALSE); |
| 303 | } |
| 304 | |
| 305 | |
| 306 | /******************************************************************************* |
| 307 | ** |
| 308 | ** Function BTM_SecSetConnectFilterCallback |
| 309 | ** |
| 310 | ** Description Host can register to be asked whenever a HCI connection |
| 311 | ** request is received. In the registered function host |
| 312 | ** suppose to check connectibility filters. Yes/No result |
| 313 | ** should be returned syncronously |
| 314 | ** |
| 315 | ** Returns void |
| 316 | ** |
| 317 | *******************************************************************************/ |
| 318 | void BTM_SecSetConnectFilterCallback (tBTM_FILTER_CB *p_callback) |
| 319 | { |
| 320 | btm_cb.p_conn_filter_cb = p_callback; |
| 321 | } |
| 322 | |
| 323 | /******************************************************************************* |
| 324 | ** |
| 325 | ** Function BTM_GetSecurityMode |
| 326 | ** |
| 327 | ** Description Get security mode for the device |
| 328 | ** |
| 329 | ** Returns void |
| 330 | ** |
| 331 | *******************************************************************************/ |
| 332 | UINT8 BTM_GetSecurityMode (void) |
| 333 | { |
| 334 | return(btm_cb.security_mode); |
| 335 | } |
| 336 | |
| 337 | /******************************************************************************* |
| 338 | ** |
| 339 | ** Function BTM_GetSecurityFlags |
| 340 | ** |
| 341 | ** Description Get security flags for the device |
| 342 | ** |
| 343 | ** Returns BOOLEAN TRUE or FALSE is device found |
| 344 | ** |
| 345 | *******************************************************************************/ |
| 346 | BOOLEAN BTM_GetSecurityFlags (BD_ADDR bd_addr, UINT8 * p_sec_flags) |
| 347 | { |
| 348 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 349 | |
| 350 | if ((p_dev_rec = btm_find_dev (bd_addr)) != NULL) |
| 351 | { |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 352 | *p_sec_flags = (UINT8) p_dev_rec->sec_flags; |
| 353 | return(TRUE); |
| 354 | } |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 355 | BTM_TRACE_ERROR ("BTM_GetSecurityFlags false"); |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 356 | return(FALSE); |
| 357 | } |
| 358 | |
| 359 | /******************************************************************************* |
| 360 | ** |
| 361 | ** Function BTM_GetSecurityFlagsByTransport |
| 362 | ** |
| 363 | ** Description Get security flags for the device on a particular transport |
| 364 | ** |
| 365 | ** Returns BOOLEAN TRUE or FALSE is device found |
| 366 | ** |
| 367 | *******************************************************************************/ |
| 368 | BOOLEAN BTM_GetSecurityFlagsByTransport (BD_ADDR bd_addr, UINT8 * p_sec_flags, |
| 369 | tBT_TRANSPORT transport) |
| 370 | { |
| 371 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 372 | |
| 373 | if ((p_dev_rec = btm_find_dev (bd_addr)) != NULL) |
| 374 | { |
| 375 | if (transport == BT_TRANSPORT_BR_EDR) |
| 376 | *p_sec_flags = (UINT8) p_dev_rec->sec_flags; |
| 377 | else |
| 378 | *p_sec_flags = (UINT8) (p_dev_rec->sec_flags >> 8); |
| 379 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 380 | return(TRUE); |
| 381 | } |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 382 | BTM_TRACE_ERROR ("BTM_GetSecurityFlags false"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 383 | return(FALSE); |
| 384 | } |
| 385 | |
| 386 | /******************************************************************************* |
| 387 | ** |
| 388 | ** Function BTM_SetSecurityMode |
| 389 | ** |
| 390 | ** Description Set security mode for the device |
| 391 | ** |
| 392 | ** Returns void |
| 393 | ** |
| 394 | *******************************************************************************/ |
| 395 | void BTM_SetSecurityMode (UINT8 security_mode) |
| 396 | { |
| 397 | UINT8 old_mode = btm_cb.security_mode; |
| 398 | |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 399 | UINT8 sp_mode = HCI_SP_MODE_ENABLED; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 400 | UINT8 sp_debug_mode = HCI_SPD_MODE_DISABLED; |
| 401 | |
| 402 | switch (security_mode) |
| 403 | { |
| 404 | #if (BTM_PRE_LISBON_INCLUDED == TRUE) |
| 405 | case BTM_SEC_MODE_NONE: |
| 406 | case BTM_SEC_MODE_SERVICE: |
| 407 | case BTM_SEC_MODE_LINK: |
| 408 | break; |
| 409 | #endif |
| 410 | |
| 411 | case BTM_SEC_MODE_SP_DEBUG: |
| 412 | sp_debug_mode = HCI_SPD_MODE_ENABLED; |
| 413 | break; |
| 414 | case BTM_SEC_MODE_SP: |
| 415 | /* the default is enabled */ |
| 416 | break; |
| 417 | default: |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 418 | BTM_TRACE_ERROR ("BTM_SetSecurityMode: unknown mode:%d", security_mode); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 419 | return; |
| 420 | } |
| 421 | btm_cb.security_mode = security_mode; |
| 422 | |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 423 | if (HCI_SIMPLE_PAIRING_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0])) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 424 | { |
| 425 | /* Lisbon devices and only use BTM_SEC_MODE_SP */ |
| 426 | btm_cb.security_mode = BTM_SEC_MODE_SP; |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 427 | BTM_TRACE_DEBUG("BTM_SetSecurityMode: SP:%d, debug:%d", sp_mode, sp_debug_mode); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 428 | btsnd_hcic_write_simple_pairing_mode(sp_mode); |
| 429 | btsnd_hcic_write_simp_pair_debug_mode(sp_debug_mode); |
| 430 | return; |
| 431 | } |
| 432 | |
| 433 | /* must be a pre-Lisbon device */ |
| 434 | #if (BTM_PRE_LISBON_INCLUDED == TRUE) |
| 435 | /* If previously security mode was Link Level and now lesser notify */ |
| 436 | /* controller not to perform authentication, encryption on startup */ |
| 437 | if ((old_mode == BTM_SEC_MODE_LINK) |
| 438 | && ( security_mode != BTM_SEC_MODE_LINK)) |
| 439 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 440 | BTM_TRACE_DEBUG("BTM_SetSecurityMode: Authen Enable -> FALSE"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 441 | btsnd_hcic_write_auth_enable (FALSE); |
| 442 | btsnd_hcic_write_encr_mode (HCI_ENCRYPT_MODE_DISABLED); |
| 443 | } |
| 444 | |
| 445 | /* If previously security is increased to Link Level notify */ |
| 446 | /* controller to perform authentication, encryption on startup */ |
| 447 | if ((old_mode != BTM_SEC_MODE_LINK) |
| 448 | && ( security_mode == BTM_SEC_MODE_LINK)) |
| 449 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 450 | BTM_TRACE_DEBUG("BTM_SetSecurityMode: Authen Enable -> TRUE"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 451 | btsnd_hcic_write_auth_enable (TRUE); |
| 452 | btsnd_hcic_write_encr_mode (HCI_ENCRYPT_MODE_POINT_TO_POINT); |
| 453 | } |
| 454 | #endif /* BTM_PRE_LISBON_INCLUDED == TRUE */ |
| 455 | } |
| 456 | |
| 457 | /******************************************************************************* |
| 458 | ** |
| 459 | ** Function BTM_SetPinType |
| 460 | ** |
| 461 | ** Description Set PIN type for the device. |
| 462 | ** |
| 463 | ** Returns void |
| 464 | ** |
| 465 | *******************************************************************************/ |
| 466 | void BTM_SetPinType (UINT8 pin_type, PIN_CODE pin_code, UINT8 pin_code_len) |
| 467 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 468 | BTM_TRACE_API ("BTM_SetPinType: pin type %d [variable-0, fixed-1], code %s, length %d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 469 | pin_type, (char *) pin_code, pin_code_len); |
| 470 | |
| 471 | /* If device is not up security mode will be set as a part of startup */ |
| 472 | if ( (btm_cb.cfg.pin_type != pin_type) |
| 473 | && (btm_cb.devcb.state > BTM_DEV_STATE_WAIT_AFTER_RESET) ) |
| 474 | { |
| 475 | btsnd_hcic_write_pin_type (pin_type); |
| 476 | } |
| 477 | |
| 478 | btm_cb.cfg.pin_type = pin_type; |
| 479 | btm_cb.cfg.pin_code_len = pin_code_len; |
| 480 | memcpy (btm_cb.cfg.pin_code, pin_code, pin_code_len); |
| 481 | } |
| 482 | |
| 483 | /******************************************************************************* |
| 484 | ** |
| 485 | ** Function BTM_SetPairableMode |
| 486 | ** |
| 487 | ** Description Enable or disable pairing |
| 488 | ** |
| 489 | ** Parameters allow_pairing - (TRUE or FALSE) whether or not the device |
| 490 | ** allows pairing. |
| 491 | ** connect_only_paired - (TRUE or FALSE) whether or not to |
| 492 | ** only allow paired devices to connect. |
| 493 | ** |
| 494 | ** Returns void |
| 495 | ** |
| 496 | *******************************************************************************/ |
| 497 | void BTM_SetPairableMode (BOOLEAN allow_pairing, BOOLEAN connect_only_paired) |
| 498 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 499 | BTM_TRACE_API ("BTM_SetPairableMode() allow_pairing: %u connect_only_paired: %u", allow_pairing, connect_only_paired); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 500 | |
| 501 | btm_cb.pairing_disabled = !allow_pairing; |
| 502 | btm_cb.connect_only_paired = connect_only_paired; |
| 503 | } |
| 504 | |
| 505 | |
| 506 | #define BTM_NO_AVAIL_SEC_SERVICES ((UINT16) 0xffff) |
| 507 | |
| 508 | /******************************************************************************* |
| 509 | ** |
| 510 | ** Function BTM_SetUCDSecurityLevel |
| 511 | ** |
| 512 | ** Description Register UCD service security level with Security Manager |
| 513 | ** |
| 514 | ** Parameters: is_originator - TRUE if originating the connection, FALSE if not |
| 515 | ** p_name - Name of the service relevant only if |
| 516 | ** authorization will show this name to user. ignored |
| 517 | ** if BTM_SEC_SERVICE_NAME_LEN is 0. |
| 518 | ** service_id - service ID for the service passed to authorization callback |
| 519 | ** sec_level - bit mask of the security features |
| 520 | ** psm - L2CAP PSM |
| 521 | ** mx_proto_id - protocol ID of multiplexing proto below |
| 522 | ** mx_chan_id - channel ID of multiplexing proto below |
| 523 | ** |
| 524 | ** Returns TRUE if registered OK, else FALSE |
| 525 | ** |
| 526 | *******************************************************************************/ |
| 527 | BOOLEAN BTM_SetUCDSecurityLevel (BOOLEAN is_originator, char *p_name, UINT8 service_id, |
| 528 | UINT16 sec_level, UINT16 psm, UINT32 mx_proto_id, |
| 529 | UINT32 mx_chan_id) |
| 530 | { |
| 531 | #if (L2CAP_UCD_INCLUDED == TRUE) |
| 532 | CONNECTION_TYPE conn_type; |
| 533 | |
| 534 | if (is_originator) |
| 535 | conn_type = CONNLESS_ORIG; |
| 536 | else |
| 537 | conn_type = CONNLESS_TERM; |
| 538 | |
| 539 | return(btm_sec_set_security_level (conn_type, p_name, service_id, |
| 540 | sec_level, psm, mx_proto_id, mx_chan_id)); |
| 541 | #else |
Mike J. Chen | 5cd8bff | 2014-01-31 18:16:59 -0800 | [diff] [blame] | 542 | UNUSED(is_originator); |
| 543 | UNUSED(p_name); |
| 544 | UNUSED(service_id); |
| 545 | UNUSED(sec_level); |
| 546 | UNUSED(psm); |
| 547 | UNUSED(mx_proto_id); |
| 548 | UNUSED(mx_chan_id); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 549 | return FALSE; |
| 550 | #endif |
| 551 | } |
| 552 | |
| 553 | /******************************************************************************* |
| 554 | ** |
| 555 | ** Function BTM_SetSecurityLevel |
| 556 | ** |
| 557 | ** Description Register service security level with Security Manager |
| 558 | ** |
| 559 | ** Parameters: is_originator - TRUE if originating the connection, FALSE if not |
| 560 | ** p_name - Name of the service relevant only if |
| 561 | ** authorization will show this name to user. ignored |
| 562 | ** if BTM_SEC_SERVICE_NAME_LEN is 0. |
| 563 | ** service_id - service ID for the service passed to authorization callback |
| 564 | ** sec_level - bit mask of the security features |
| 565 | ** psm - L2CAP PSM |
| 566 | ** mx_proto_id - protocol ID of multiplexing proto below |
| 567 | ** mx_chan_id - channel ID of multiplexing proto below |
| 568 | ** |
| 569 | ** Returns TRUE if registered OK, else FALSE |
| 570 | ** |
| 571 | *******************************************************************************/ |
| 572 | BOOLEAN BTM_SetSecurityLevel (BOOLEAN is_originator, char *p_name, UINT8 service_id, |
| 573 | UINT16 sec_level, UINT16 psm, UINT32 mx_proto_id, |
| 574 | UINT32 mx_chan_id) |
| 575 | { |
| 576 | #if (L2CAP_UCD_INCLUDED == TRUE) |
| 577 | CONNECTION_TYPE conn_type; |
| 578 | |
| 579 | if (is_originator) |
| 580 | conn_type = CONN_ORIENT_ORIG; |
| 581 | else |
| 582 | conn_type = CONN_ORIENT_TERM; |
| 583 | |
| 584 | return(btm_sec_set_security_level (conn_type, p_name, service_id, |
| 585 | sec_level, psm, mx_proto_id, mx_chan_id)); |
| 586 | #else |
| 587 | return(btm_sec_set_security_level (is_originator, p_name, service_id, |
| 588 | sec_level, psm, mx_proto_id, mx_chan_id)); |
| 589 | #endif |
| 590 | } |
| 591 | |
| 592 | /******************************************************************************* |
| 593 | ** |
| 594 | ** Function btm_sec_set_security_level |
| 595 | ** |
| 596 | ** Description Register service security level with Security Manager |
| 597 | ** |
| 598 | ** Parameters: conn_type - TRUE if originating the connection, FALSE if not |
| 599 | ** p_name - Name of the service relevant only if |
| 600 | ** authorization will show this name to user. ignored |
| 601 | ** if BTM_SEC_SERVICE_NAME_LEN is 0. |
| 602 | ** service_id - service ID for the service passed to authorization callback |
| 603 | ** sec_level - bit mask of the security features |
| 604 | ** psm - L2CAP PSM |
| 605 | ** mx_proto_id - protocol ID of multiplexing proto below |
| 606 | ** mx_chan_id - channel ID of multiplexing proto below |
| 607 | ** |
| 608 | ** Returns TRUE if registered OK, else FALSE |
| 609 | ** |
| 610 | *******************************************************************************/ |
| 611 | static BOOLEAN btm_sec_set_security_level (CONNECTION_TYPE conn_type, char *p_name, UINT8 service_id, |
| 612 | UINT16 sec_level, UINT16 psm, UINT32 mx_proto_id, |
| 613 | UINT32 mx_chan_id) |
| 614 | { |
| 615 | tBTM_SEC_SERV_REC *p_srec; |
| 616 | UINT16 index; |
| 617 | UINT16 first_unused_record = BTM_NO_AVAIL_SEC_SERVICES; |
| 618 | BOOLEAN record_allocated = FALSE; |
| 619 | BOOLEAN is_originator; |
| 620 | #if (L2CAP_UCD_INCLUDED == TRUE) |
| 621 | BOOLEAN is_ucd; |
| 622 | |
| 623 | if (conn_type & CONNECTION_TYPE_ORIG_MASK) |
| 624 | is_originator = TRUE; |
| 625 | else |
| 626 | is_originator = FALSE; |
| 627 | |
| 628 | if (conn_type & CONNECTION_TYPE_CONNLESS_MASK ) |
| 629 | { |
| 630 | is_ucd = TRUE; |
| 631 | } |
| 632 | else |
| 633 | { |
| 634 | is_ucd = FALSE; |
| 635 | } |
| 636 | #else |
| 637 | is_originator = conn_type; |
| 638 | #endif |
| 639 | |
| 640 | /* See if the record can be reused (same service name, psm, mx_proto_id, |
| 641 | service_id, and mx_chan_id), or obtain the next unused record */ |
| 642 | |
| 643 | p_srec = &btm_cb.sec_serv_rec[0]; |
| 644 | |
| 645 | |
| 646 | for (index = 0; index < BTM_SEC_MAX_SERVICE_RECORDS; index++, p_srec++) |
| 647 | { |
| 648 | /* Check if there is already a record for this service */ |
| 649 | if (p_srec->security_flags & BTM_SEC_IN_USE) |
| 650 | { |
| 651 | #if BTM_SEC_SERVICE_NAME_LEN > 0 |
| 652 | if (p_srec->psm == psm && |
| 653 | p_srec->mx_proto_id == mx_proto_id && |
| 654 | service_id == p_srec->service_id && |
| 655 | (!strncmp (p_name, (char *) p_srec->orig_service_name, |
| 656 | BTM_SEC_SERVICE_NAME_LEN) || |
| 657 | !strncmp (p_name, (char *) p_srec->term_service_name, |
| 658 | BTM_SEC_SERVICE_NAME_LEN))) |
| 659 | #else |
| 660 | if (p_srec->psm == psm && |
| 661 | p_srec->mx_proto_id == mx_proto_id && |
| 662 | service_id == p_srec->service_id) |
| 663 | #endif |
| 664 | { |
| 665 | record_allocated = TRUE; |
| 666 | break; |
| 667 | } |
| 668 | } |
| 669 | /* Mark the first available service record */ |
| 670 | else if (!record_allocated) |
| 671 | { |
| 672 | memset (p_srec, 0, sizeof(tBTM_SEC_SERV_REC)); |
| 673 | record_allocated = TRUE; |
| 674 | first_unused_record = index; |
| 675 | } |
| 676 | } |
| 677 | |
| 678 | if (!record_allocated) |
| 679 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 680 | BTM_TRACE_WARNING("BTM_SEC_REG: Out of Service Records (%d)", BTM_SEC_MAX_SERVICE_RECORDS); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 681 | return(record_allocated); |
| 682 | } |
| 683 | |
| 684 | /* Process the request if service record is valid */ |
| 685 | /* If a duplicate service wasn't found, use the first available */ |
| 686 | if (index >= BTM_SEC_MAX_SERVICE_RECORDS) |
| 687 | { |
| 688 | index = first_unused_record; |
| 689 | p_srec = &btm_cb.sec_serv_rec[index]; |
| 690 | } |
| 691 | |
| 692 | p_srec->psm = psm; |
| 693 | p_srec->service_id = service_id; |
| 694 | p_srec->mx_proto_id = mx_proto_id; |
| 695 | |
| 696 | if (is_originator) |
| 697 | { |
| 698 | p_srec->orig_mx_chan_id = mx_chan_id; |
| 699 | #if BTM_SEC_SERVICE_NAME_LEN > 0 |
| 700 | BCM_STRNCPY_S ((char *)p_srec->orig_service_name, sizeof(p_srec->orig_service_name), p_name, BTM_SEC_SERVICE_NAME_LEN); |
| 701 | #endif |
| 702 | /* clear out the old setting, just in case it exists */ |
| 703 | #if (L2CAP_UCD_INCLUDED == TRUE) |
| 704 | if ( is_ucd ) |
| 705 | { |
| 706 | p_srec->ucd_security_flags &= |
| 707 | ~(BTM_SEC_OUT_AUTHORIZE | BTM_SEC_OUT_ENCRYPT | BTM_SEC_OUT_AUTHENTICATE | BTM_SEC_OUT_MITM | |
| 708 | BTM_SEC_FORCE_MASTER | BTM_SEC_ATTEMPT_MASTER | BTM_SEC_FORCE_SLAVE | BTM_SEC_ATTEMPT_SLAVE); |
| 709 | } |
| 710 | else |
| 711 | #endif |
| 712 | { |
| 713 | p_srec->security_flags &= |
| 714 | ~(BTM_SEC_OUT_AUTHORIZE | BTM_SEC_OUT_ENCRYPT | BTM_SEC_OUT_AUTHENTICATE | BTM_SEC_OUT_MITM | |
| 715 | BTM_SEC_FORCE_MASTER | BTM_SEC_ATTEMPT_MASTER | BTM_SEC_FORCE_SLAVE | BTM_SEC_ATTEMPT_SLAVE); |
| 716 | } |
| 717 | |
| 718 | /* Parameter validation. Originator should not set requirements for incoming connections */ |
| 719 | sec_level &= ~(BTM_SEC_IN_AUTHORIZE | BTM_SEC_IN_ENCRYPT | BTM_SEC_IN_AUTHENTICATE | BTM_SEC_IN_MITM); |
| 720 | |
| 721 | if (btm_cb.security_mode == BTM_SEC_MODE_SP) |
| 722 | { |
| 723 | if (sec_level & BTM_SEC_OUT_AUTHENTICATE) |
| 724 | sec_level |= BTM_SEC_OUT_MITM; |
| 725 | } |
| 726 | |
| 727 | /* Make sure the authenticate bit is set, when encrypt bit is set */ |
| 728 | if (sec_level & BTM_SEC_OUT_ENCRYPT) |
| 729 | sec_level |= BTM_SEC_OUT_AUTHENTICATE; |
| 730 | |
| 731 | /* outgoing connections usually set the security level right before |
| 732 | * the connection is initiated. |
| 733 | * set it to be the outgoing service */ |
| 734 | #if (L2CAP_UCD_INCLUDED == TRUE) |
| 735 | if ( is_ucd == FALSE ) |
| 736 | #endif |
| 737 | { |
| 738 | btm_cb.p_out_serv = p_srec; |
| 739 | } |
| 740 | } |
| 741 | else |
| 742 | { |
| 743 | p_srec->term_mx_chan_id = mx_chan_id; |
| 744 | #if BTM_SEC_SERVICE_NAME_LEN > 0 |
| 745 | BCM_STRNCPY_S ((char *)p_srec->term_service_name, sizeof(p_srec->term_service_name), p_name, BTM_SEC_SERVICE_NAME_LEN); |
| 746 | #endif |
| 747 | /* clear out the old setting, just in case it exists */ |
| 748 | #if (L2CAP_UCD_INCLUDED == TRUE) |
| 749 | if ( is_ucd ) |
| 750 | { |
| 751 | p_srec->ucd_security_flags &= |
| 752 | ~(BTM_SEC_IN_AUTHORIZE | BTM_SEC_IN_ENCRYPT | BTM_SEC_IN_AUTHENTICATE | BTM_SEC_IN_MITM | |
| 753 | BTM_SEC_FORCE_MASTER | BTM_SEC_ATTEMPT_MASTER | BTM_SEC_FORCE_SLAVE | BTM_SEC_ATTEMPT_SLAVE); |
| 754 | } |
| 755 | else |
| 756 | #endif |
| 757 | { |
| 758 | p_srec->security_flags &= |
| 759 | ~(BTM_SEC_IN_AUTHORIZE | BTM_SEC_IN_ENCRYPT | BTM_SEC_IN_AUTHENTICATE | BTM_SEC_IN_MITM | |
| 760 | BTM_SEC_FORCE_MASTER | BTM_SEC_ATTEMPT_MASTER | BTM_SEC_FORCE_SLAVE | BTM_SEC_ATTEMPT_SLAVE); |
| 761 | } |
| 762 | |
| 763 | /* Parameter validation. Acceptor should not set requirements for outgoing connections */ |
| 764 | sec_level &= ~(BTM_SEC_OUT_AUTHORIZE | BTM_SEC_OUT_ENCRYPT | BTM_SEC_OUT_AUTHENTICATE | BTM_SEC_OUT_MITM); |
| 765 | |
| 766 | if (btm_cb.security_mode == BTM_SEC_MODE_SP) |
| 767 | { |
| 768 | if (sec_level & BTM_SEC_IN_AUTHENTICATE) |
| 769 | sec_level |= BTM_SEC_IN_MITM; |
| 770 | } |
| 771 | |
| 772 | /* Make sure the authenticate bit is set, when encrypt bit is set */ |
| 773 | if (sec_level & BTM_SEC_IN_ENCRYPT) |
| 774 | sec_level |= BTM_SEC_IN_AUTHENTICATE; |
| 775 | } |
| 776 | |
| 777 | #if (L2CAP_UCD_INCLUDED == TRUE) |
| 778 | if ( is_ucd ) |
| 779 | { |
| 780 | p_srec->security_flags |= (UINT16)(BTM_SEC_IN_USE); |
| 781 | p_srec->ucd_security_flags |= (UINT16)(sec_level | BTM_SEC_IN_USE); |
| 782 | } |
| 783 | else |
| 784 | { |
| 785 | p_srec->security_flags |= (UINT16)(sec_level | BTM_SEC_IN_USE); |
| 786 | } |
| 787 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 788 | BTM_TRACE_API("BTM_SEC_REG[%d]: id %d, conn_type 0x%x, psm 0x%04x, proto_id %d, chan_id %d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 789 | index, service_id, conn_type, psm, mx_proto_id, mx_chan_id); |
| 790 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 791 | BTM_TRACE_API(" : security_flags: 0x%04x, ucd_security_flags: 0x%04x", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 792 | p_srec->security_flags, p_srec->ucd_security_flags); |
| 793 | |
| 794 | #if BTM_SEC_SERVICE_NAME_LEN > 0 |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 795 | BTM_TRACE_API(" : service name [%s] (up to %d chars saved)", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 796 | p_name, BTM_SEC_SERVICE_NAME_LEN); |
| 797 | #endif |
| 798 | #else |
| 799 | p_srec->security_flags |= (UINT16)(sec_level | BTM_SEC_IN_USE); |
| 800 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 801 | BTM_TRACE_API("BTM_SEC_REG[%d]: id %d, is_orig %d, psm 0x%04x, proto_id %d, chan_id %d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 802 | index, service_id, is_originator, psm, mx_proto_id, mx_chan_id); |
| 803 | |
| 804 | #if BTM_SEC_SERVICE_NAME_LEN > 0 |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 805 | BTM_TRACE_API(" : sec: 0x%x, service name [%s] (up to %d chars saved)", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 806 | p_srec->security_flags, p_name, BTM_SEC_SERVICE_NAME_LEN); |
| 807 | #endif |
| 808 | #endif |
| 809 | |
| 810 | |
| 811 | return(record_allocated); |
| 812 | } |
| 813 | |
| 814 | /******************************************************************************* |
| 815 | ** |
| 816 | ** Function BTM_SecClrService |
| 817 | ** |
| 818 | ** Description Removes specified service record(s) from the security database. |
| 819 | ** All service records with the specified name are removed. |
| 820 | ** Typically used only by devices with limited RAM so that it can |
| 821 | ** reuse an old security service record. |
| 822 | ** |
| 823 | ** Note: Unpredictable results may occur if a service is cleared |
| 824 | ** that is still in use by an application/profile. |
| 825 | ** |
| 826 | ** Parameters Service ID - Id of the service to remove. ('0' removes all service |
| 827 | ** records (except SDP). |
| 828 | ** |
| 829 | ** Returns Number of records that were freed. |
| 830 | ** |
| 831 | *******************************************************************************/ |
| 832 | UINT8 BTM_SecClrService (UINT8 service_id) |
| 833 | { |
| 834 | tBTM_SEC_SERV_REC *p_srec = &btm_cb.sec_serv_rec[0]; |
| 835 | UINT8 num_freed = 0; |
| 836 | int i; |
| 837 | |
| 838 | for (i = 0; i < BTM_SEC_MAX_SERVICE_RECORDS; i++, p_srec++) |
| 839 | { |
| 840 | /* Delete services with specified name (if in use and not SDP) */ |
| 841 | if ((p_srec->security_flags & BTM_SEC_IN_USE) && (p_srec->psm != BT_PSM_SDP) && |
| 842 | (!service_id || (service_id == p_srec->service_id))) |
| 843 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 844 | BTM_TRACE_API("BTM_SEC_CLR[%d]: id %d", i, service_id); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 845 | p_srec->security_flags = 0; |
| 846 | #if (L2CAP_UCD_INCLUDED == TRUE) |
| 847 | p_srec->ucd_security_flags = 0; |
| 848 | #endif |
| 849 | num_freed++; |
| 850 | } |
| 851 | } |
| 852 | |
| 853 | return(num_freed); |
| 854 | } |
| 855 | |
| 856 | /******************************************************************************* |
| 857 | ** |
| 858 | ** Function btm_sec_clr_service_by_psm |
| 859 | ** |
| 860 | ** Description Removes specified service record from the security database. |
| 861 | ** All service records with the specified psm are removed. |
| 862 | ** Typically used by L2CAP to free up the service record used |
| 863 | ** by dynamic PSM clients when the channel is closed. |
| 864 | ** The given psm must be a virtual psm. |
| 865 | ** |
| 866 | ** Parameters Service ID - Id of the service to remove. ('0' removes all service |
| 867 | ** records (except SDP). |
| 868 | ** |
| 869 | ** Returns Number of records that were freed. |
| 870 | ** |
| 871 | *******************************************************************************/ |
| 872 | UINT8 btm_sec_clr_service_by_psm (UINT16 psm) |
| 873 | { |
| 874 | tBTM_SEC_SERV_REC *p_srec = &btm_cb.sec_serv_rec[0]; |
| 875 | UINT8 num_freed = 0; |
| 876 | int i; |
| 877 | |
| 878 | for (i = 0; i < BTM_SEC_MAX_SERVICE_RECORDS; i++, p_srec++) |
| 879 | { |
| 880 | /* Delete services with specified name (if in use and not SDP) */ |
| 881 | if ((p_srec->security_flags & BTM_SEC_IN_USE) && (p_srec->psm == psm) ) |
| 882 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 883 | BTM_TRACE_API("BTM_SEC_CLR[%d]: id %d ", i, p_srec->service_id); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 884 | p_srec->security_flags = 0; |
| 885 | num_freed++; |
| 886 | } |
| 887 | } |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 888 | BTM_TRACE_API("btm_sec_clr_service_by_psm psm:0x%x num_freed:%d", psm, num_freed); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 889 | |
| 890 | return(num_freed); |
| 891 | } |
| 892 | |
| 893 | /******************************************************************************* |
| 894 | ** |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 895 | ** Function btm_sec_clr_temp_auth_service |
| 896 | ** |
| 897 | ** Description Removes specified device record's temporary authorization |
| 898 | ** flag from the security database. |
| 899 | ** |
| 900 | ** Parameters Device address to be cleared |
| 901 | ** |
| 902 | ** Returns void. |
| 903 | ** |
| 904 | *******************************************************************************/ |
| 905 | void btm_sec_clr_temp_auth_service (BD_ADDR bda) |
| 906 | { |
| 907 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 908 | |
| 909 | if ((p_dev_rec = btm_find_dev (bda)) == NULL) |
| 910 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 911 | BTM_TRACE_WARNING ("btm_sec_clr_temp_auth_service() - no dev CB"); |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 912 | return; |
| 913 | } |
| 914 | |
| 915 | /* Reset the temporary authorized flag so that next time (untrusted) service is accessed autorization will take place */ |
| 916 | if (p_dev_rec->last_author_service_id != BTM_SEC_NO_LAST_SERVICE_ID && p_dev_rec->p_cur_service) |
| 917 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 918 | BTM_TRACE_DEBUG ("btm_sec_clr_auth_service_by_psm [clearing device: %02x:%02x:%02x:%02x:%02x:%02x]", |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 919 | bda[0], bda[1], bda[2], bda[3], bda[4], bda[5]); |
| 920 | |
| 921 | p_dev_rec->last_author_service_id = BTM_SEC_NO_LAST_SERVICE_ID; |
| 922 | } |
| 923 | } |
| 924 | |
| 925 | /******************************************************************************* |
| 926 | ** |
| 927 | ** |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 928 | ** Function BTM_SecClrUCDService |
| 929 | ** |
| 930 | ** Description |
| 931 | ** |
| 932 | ** Parameters Service ID - Id of the service to remove. |
| 933 | ** ('0' removes all service records ) |
| 934 | ** |
| 935 | ** Returns Number of records that were cleared. |
| 936 | ** |
| 937 | *******************************************************************************/ |
| 938 | UINT8 BTM_SecClrUCDService (UINT8 service_id) |
| 939 | { |
| 940 | #if (L2CAP_UCD_INCLUDED == TRUE) |
| 941 | tBTM_SEC_SERV_REC *p_srec = &btm_cb.sec_serv_rec[0]; |
| 942 | UINT8 num_cleared = 0; |
| 943 | int i; |
| 944 | |
| 945 | for (i = 0; i < BTM_SEC_MAX_SERVICE_RECORDS; i++, p_srec++) |
| 946 | { |
| 947 | /* Delete services with specified name (if in use and not SDP) */ |
| 948 | if ((p_srec->security_flags & BTM_SEC_IN_USE) && |
| 949 | (!service_id || (service_id == (UINT32)p_srec->service_id))) |
| 950 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 951 | BTM_TRACE_API("BTM_UCD_SEC_CLR[%d]: id %d", i, service_id); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 952 | p_srec->ucd_security_flags = 0; |
| 953 | num_cleared++; |
| 954 | } |
| 955 | } |
| 956 | |
| 957 | return(num_cleared); |
| 958 | #else |
Mike J. Chen | 5cd8bff | 2014-01-31 18:16:59 -0800 | [diff] [blame] | 959 | UNUSED(service_id); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 960 | return(0); |
| 961 | #endif |
| 962 | } |
| 963 | |
| 964 | /******************************************************************************* |
| 965 | ** |
| 966 | ** Function BTM_PINCodeReply |
| 967 | ** |
| 968 | ** Description This function is called after Security Manager submitted |
| 969 | ** PIN code request to the UI. |
| 970 | ** |
| 971 | ** Parameters: bd_addr - Address of the device for which PIN was requested |
| 972 | ** res - result of the operation BTM_SUCCESS if success |
| 973 | ** pin_len - length in bytes of the PIN Code |
| 974 | ** p_pin - pointer to array with the PIN Code |
| 975 | ** trusted_mask - bitwise OR of trusted services (array of UINT32) |
| 976 | ** |
| 977 | *******************************************************************************/ |
| 978 | void BTM_PINCodeReply (BD_ADDR bd_addr, UINT8 res, UINT8 pin_len, UINT8 *p_pin, UINT32 trusted_mask[]) |
| 979 | { |
| 980 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 981 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 982 | BTM_TRACE_API ("BTM_PINCodeReply(): PairState: %s PairFlags: 0x%02x PinLen:%d Result:%d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 983 | btm_pair_state_descr(btm_cb.pairing_state), btm_cb.pairing_flags, pin_len, res); |
| 984 | |
| 985 | /* If timeout already expired or has been canceled, ignore the reply */ |
| 986 | if (btm_cb.pairing_state != BTM_PAIR_STATE_WAIT_LOCAL_PIN) |
| 987 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 988 | BTM_TRACE_WARNING ("BTM_PINCodeReply() - Wrong State: %d", btm_cb.pairing_state); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 989 | return; |
| 990 | } |
| 991 | |
| 992 | if (memcmp (bd_addr, btm_cb.pairing_bda, BD_ADDR_LEN) != 0) |
| 993 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 994 | BTM_TRACE_ERROR ("BTM_PINCodeReply() - Wrong BD Addr"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 995 | return; |
| 996 | } |
| 997 | |
| 998 | if ((p_dev_rec = btm_find_dev (bd_addr)) == NULL) |
| 999 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1000 | BTM_TRACE_ERROR ("BTM_PINCodeReply() - no dev CB"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1001 | return; |
| 1002 | } |
| 1003 | |
| 1004 | if ( (pin_len > PIN_CODE_LEN) || (pin_len == 0) || (p_pin == NULL) ) |
| 1005 | res = BTM_ILLEGAL_VALUE; |
| 1006 | |
| 1007 | if (res != BTM_SUCCESS) |
| 1008 | { |
| 1009 | /* if peer started dd OR we started dd and pre-fetch pin was not used send negative reply */ |
| 1010 | if ((btm_cb.pairing_flags & BTM_PAIR_FLAGS_PEER_STARTED_DD) || |
| 1011 | ((btm_cb.pairing_flags & BTM_PAIR_FLAGS_WE_STARTED_DD) && |
| 1012 | (btm_cb.pairing_flags & BTM_PAIR_FLAGS_DISC_WHEN_DONE)) ) |
| 1013 | { |
| 1014 | /* use BTM_PAIR_STATE_WAIT_AUTH_COMPLETE to report authentication failed event */ |
| 1015 | btm_sec_change_pairing_state (BTM_PAIR_STATE_WAIT_AUTH_COMPLETE); |
| 1016 | btm_cb.acl_disc_reason = HCI_ERR_HOST_REJECT_SECURITY; |
| 1017 | |
| 1018 | btsnd_hcic_pin_code_neg_reply (bd_addr); |
| 1019 | } |
| 1020 | else |
| 1021 | { |
| 1022 | p_dev_rec->security_required = BTM_SEC_NONE; |
| 1023 | btm_sec_change_pairing_state (BTM_PAIR_STATE_IDLE); |
| 1024 | } |
| 1025 | return; |
| 1026 | } |
| 1027 | if (trusted_mask) |
| 1028 | BTM_SEC_COPY_TRUSTED_DEVICE(trusted_mask, p_dev_rec->trusted_mask); |
| 1029 | p_dev_rec->sec_flags |= BTM_SEC_LINK_KEY_AUTHED; |
| 1030 | |
| 1031 | if ( (btm_cb.pairing_flags & BTM_PAIR_FLAGS_WE_STARTED_DD) |
| 1032 | && (p_dev_rec->hci_handle == BTM_SEC_INVALID_HANDLE) |
| 1033 | && (btm_cb.security_mode_changed == FALSE) ) |
| 1034 | { |
| 1035 | /* This is start of the dedicated bonding if local device is 2.0 */ |
| 1036 | btm_cb.pin_code_len = pin_len; |
| 1037 | memcpy (btm_cb.pin_code, p_pin, pin_len); |
| 1038 | |
| 1039 | btm_cb.security_mode_changed = TRUE; |
| 1040 | #ifdef APPL_AUTH_WRITE_EXCEPTION |
| 1041 | if(!(APPL_AUTH_WRITE_EXCEPTION)(p_dev_rec->bd_addr)) |
| 1042 | #endif |
| 1043 | btsnd_hcic_write_auth_enable (TRUE); |
| 1044 | |
| 1045 | btm_cb.acl_disc_reason = 0xff ; |
| 1046 | |
| 1047 | /* if we rejected incoming connection request, we have to wait HCI_Connection_Complete event */ |
| 1048 | /* before originating */ |
| 1049 | if (btm_cb.pairing_flags & BTM_PAIR_FLAGS_REJECTED_CONNECT) |
| 1050 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1051 | BTM_TRACE_WARNING ("BTM_PINCodeReply(): waiting HCI_Connection_Complete after rejected incoming connection"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1052 | /* we change state little bit early so btm_sec_connected() will originate connection */ |
| 1053 | /* when existing ACL link is down completely */ |
| 1054 | btm_sec_change_pairing_state (BTM_PAIR_STATE_WAIT_PIN_REQ); |
| 1055 | } |
| 1056 | /* if we already accepted incoming connection from pairing device */ |
| 1057 | else if (p_dev_rec->sm4 & BTM_SM4_CONN_PEND) |
| 1058 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1059 | BTM_TRACE_WARNING ("BTM_PINCodeReply(): link is connecting so wait pin code request from peer"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1060 | btm_sec_change_pairing_state (BTM_PAIR_STATE_WAIT_PIN_REQ); |
| 1061 | } |
| 1062 | else if (btm_sec_dd_create_conn(p_dev_rec) != BTM_CMD_STARTED) |
| 1063 | { |
| 1064 | btm_sec_change_pairing_state (BTM_PAIR_STATE_IDLE); |
| 1065 | p_dev_rec->sec_flags &= ~BTM_SEC_LINK_KEY_AUTHED; |
| 1066 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1067 | if (btm_cb.api.p_auth_complete_callback) |
| 1068 | (*btm_cb.api.p_auth_complete_callback) (p_dev_rec->bd_addr, p_dev_rec->dev_class, |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1069 | p_dev_rec->sec_bd_name, HCI_ERR_AUTH_FAILURE); |
| 1070 | } |
| 1071 | return; |
| 1072 | } |
| 1073 | |
| 1074 | btm_sec_change_pairing_state (BTM_PAIR_STATE_WAIT_AUTH_COMPLETE); |
| 1075 | btm_cb.acl_disc_reason = HCI_SUCCESS; |
| 1076 | |
| 1077 | #ifdef PORCHE_PAIRING_CONFLICT |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1078 | BTM_TRACE_EVENT("BTM_PINCodeReply(): Saving pin_len: %d btm_cb.pin_code_len: %d", pin_len, btm_cb.pin_code_len); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1079 | /* if this was not pre-fetched, save the PIN */ |
| 1080 | if (btm_cb.pin_code_len == 0) |
| 1081 | memcpy (btm_cb.pin_code, p_pin, pin_len); |
| 1082 | btm_cb.pin_code_len_saved = pin_len; |
| 1083 | #endif |
| 1084 | btsnd_hcic_pin_code_req_reply (bd_addr, pin_len, p_pin); |
| 1085 | } |
| 1086 | |
| 1087 | |
| 1088 | /******************************************************************************* |
| 1089 | ** |
| 1090 | ** Function BTM_DeviceAuthorized |
| 1091 | ** |
| 1092 | ** Description This function is called after Security Manager submitted |
| 1093 | ** authorization request to the UI. |
| 1094 | ** |
| 1095 | ** Parameters: bd_addr - Address of the device for which PIN was requested |
| 1096 | ** res - result of the operation BTM_SUCCESS if success |
| 1097 | ** |
| 1098 | *******************************************************************************/ |
| 1099 | void BTM_DeviceAuthorized (BD_ADDR bd_addr, UINT8 res, UINT32 trusted_mask[]) |
| 1100 | { |
| 1101 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 1102 | |
| 1103 | if ((p_dev_rec = btm_find_dev (bd_addr)) == NULL) |
| 1104 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1105 | BTM_TRACE_WARNING ("Security Manager: Attempting Authorization of Unknown Device Address [%02x%02x%02x%02x%02x%02x]", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1106 | bd_addr[0], bd_addr[1], bd_addr[2], bd_addr[3], bd_addr[4], bd_addr[5]); |
| 1107 | return; |
| 1108 | } |
| 1109 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1110 | BTM_TRACE_EVENT ("Security Manager: authorized status:%d State:%d Trusted:%08x %08x", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1111 | res, (p_dev_rec) ? p_dev_rec->sec_state : 0, trusted_mask[0], trusted_mask[1]); |
| 1112 | |
| 1113 | if (res == BTM_SUCCESS) |
| 1114 | { |
| 1115 | p_dev_rec->sec_flags |= BTM_SEC_AUTHORIZED; |
| 1116 | if (trusted_mask) |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 1117 | { |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1118 | BTM_SEC_COPY_TRUSTED_DEVICE(trusted_mask, p_dev_rec->trusted_mask); |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 1119 | } |
| 1120 | |
| 1121 | /* Save the currently authorized service in case we are asked again |
| 1122 | by another multiplexer layer */ |
| 1123 | if (!p_dev_rec->is_originator) |
| 1124 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1125 | BTM_TRACE_DEBUG("BTM_DeviceAuthorized: Setting last_author_service_id to %d", |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 1126 | p_dev_rec->p_cur_service->service_id); |
| 1127 | p_dev_rec->last_author_service_id = p_dev_rec->p_cur_service->service_id; |
| 1128 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1129 | } |
| 1130 | |
| 1131 | if (p_dev_rec->sec_state != BTM_SEC_STATE_AUTHORIZING) |
| 1132 | return; |
| 1133 | |
| 1134 | p_dev_rec->sec_state = BTM_SEC_STATE_IDLE; |
| 1135 | |
| 1136 | if (res != BTM_SUCCESS) |
| 1137 | { |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1138 | btm_sec_dev_rec_cback_event (p_dev_rec, res, FALSE); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1139 | return; |
| 1140 | } |
| 1141 | |
| 1142 | if ((res = (UINT8)btm_sec_execute_procedure (p_dev_rec)) != BTM_CMD_STARTED) |
| 1143 | { |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1144 | btm_sec_dev_rec_cback_event (p_dev_rec, res, FALSE); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1145 | } |
| 1146 | } |
| 1147 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1148 | /******************************************************************************* |
| 1149 | ** |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1150 | ** Function btm_sec_bond_by_transport |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1151 | ** |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1152 | ** Description this is the bond function that will start either SSP or SMP. |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1153 | ** |
| 1154 | ** Parameters: bd_addr - Address of the device to bond |
| 1155 | ** pin_len - length in bytes of the PIN Code |
| 1156 | ** p_pin - pointer to array with the PIN Code |
| 1157 | ** trusted_mask - bitwise OR of trusted services (array of UINT32) |
| 1158 | ** |
| 1159 | ** Note: After 2.1 parameters are not used and preserved here not to change API |
| 1160 | *******************************************************************************/ |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1161 | tBTM_STATUS btm_sec_bond_by_transport (BD_ADDR bd_addr, tBT_TRANSPORT transport, |
| 1162 | UINT8 pin_len, UINT8 *p_pin, UINT32 trusted_mask[]) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1163 | { |
| 1164 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 1165 | tBTM_STATUS status; |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 1166 | UINT8 *p_features; |
| 1167 | UINT8 ii; |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1168 | tACL_CONN *p= btm_bda_to_acl(bd_addr, transport); |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1169 | BTM_TRACE_API ("btm_sec_bond_by_transport BDA: %02x:%02x:%02x:%02x:%02x:%02x", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1170 | bd_addr[0], bd_addr[1], bd_addr[2], bd_addr[3], bd_addr[4], bd_addr[5]); |
| 1171 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1172 | BTM_TRACE_DEBUG("btm_sec_bond_by_transport: Transport used %d" , transport); |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1173 | |
| 1174 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1175 | /* Other security process is in progress */ |
| 1176 | if (btm_cb.pairing_state != BTM_PAIR_STATE_IDLE) |
| 1177 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1178 | BTM_TRACE_ERROR ("BTM_SecBond: already busy in state: %s", btm_pair_state_descr(btm_cb.pairing_state)); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1179 | return(BTM_WRONG_MODE); |
| 1180 | } |
| 1181 | |
Andre Eisenbach | 6975b4d | 2013-08-05 16:55:38 -0700 | [diff] [blame] | 1182 | if ((p_dev_rec = btm_find_or_alloc_dev (bd_addr)) == NULL) |
| 1183 | { |
| 1184 | return(BTM_NO_RESOURCES); |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1185 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1186 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1187 | BTM_TRACE_DEBUG ("before update sec_flags=0x%x", p_dev_rec->sec_flags); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1188 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1189 | /* Finished if connection is active and already paired */ |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1190 | if ( ((p_dev_rec->hci_handle != BTM_SEC_INVALID_HANDLE) && transport == BT_TRANSPORT_BR_EDR |
| 1191 | && (p_dev_rec->sec_flags & BTM_SEC_AUTHENTICATED)) |
| 1192 | #if (BLE_INCLUDED == TRUE) |
| 1193 | ||((p_dev_rec->ble_hci_handle != BTM_SEC_INVALID_HANDLE) && transport == BT_TRANSPORT_LE |
| 1194 | && (p_dev_rec->sec_flags & BTM_SEC_LE_AUTHENTICATED)) |
| 1195 | #endif |
| 1196 | |
| 1197 | ) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1198 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1199 | BTM_TRACE_WARNING("BTM_SecBond -> Already Paired"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1200 | return(BTM_SUCCESS); |
| 1201 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1202 | |
| 1203 | /* Tell controller to get rid of the link key if it has one stored */ |
| 1204 | if ((BTM_DeleteStoredLinkKey (bd_addr, NULL)) != BTM_SUCCESS) |
| 1205 | return(BTM_NO_RESOURCES); |
| 1206 | |
| 1207 | /* Save the PIN code if we got a valid one */ |
| 1208 | if (p_pin && (pin_len <= PIN_CODE_LEN) && (pin_len != 0)) |
| 1209 | { |
| 1210 | btm_cb.pin_code_len = pin_len; |
| 1211 | memcpy (btm_cb.pin_code, p_pin, PIN_CODE_LEN); |
| 1212 | } |
| 1213 | |
| 1214 | memcpy (btm_cb.pairing_bda, bd_addr, BD_ADDR_LEN); |
| 1215 | |
| 1216 | btm_cb.pairing_flags = BTM_PAIR_FLAGS_WE_STARTED_DD; |
| 1217 | |
| 1218 | p_dev_rec->security_required = BTM_SEC_OUT_AUTHENTICATE; |
| 1219 | p_dev_rec->is_originator = TRUE; |
| 1220 | if (trusted_mask) |
| 1221 | BTM_SEC_COPY_TRUSTED_DEVICE(trusted_mask, p_dev_rec->trusted_mask); |
| 1222 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1223 | #if BLE_INCLUDED == TRUE && SMP_INCLUDED == TRUE |
| 1224 | if (transport == BT_TRANSPORT_LE) |
| 1225 | { |
| 1226 | p_dev_rec->sec_flags &= ~ BTM_SEC_LE_MASK; |
| 1227 | |
| 1228 | if (SMP_Pair(bd_addr) == SMP_STARTED) |
| 1229 | { |
| 1230 | btm_cb.pairing_flags |= BTM_PAIR_FLAGS_LE_ACTIVE; |
| 1231 | p_dev_rec->sec_state = BTM_SEC_STATE_AUTHENTICATING; |
| 1232 | btm_sec_change_pairing_state (BTM_PAIR_STATE_WAIT_AUTH_COMPLETE); |
| 1233 | return BTM_CMD_STARTED; |
| 1234 | } |
| 1235 | |
| 1236 | btm_cb.pairing_flags = 0; |
| 1237 | return(BTM_NO_RESOURCES); |
| 1238 | } |
| 1239 | #endif |
| 1240 | |
Andre Eisenbach | 6975b4d | 2013-08-05 16:55:38 -0700 | [diff] [blame] | 1241 | p_dev_rec->sec_flags &= ~(BTM_SEC_LINK_KEY_KNOWN | BTM_SEC_AUTHENTICATED | BTM_SEC_ENCRYPTED |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1242 | | BTM_SEC_ROLE_SWITCHED | BTM_SEC_LINK_KEY_AUTHED); |
| 1243 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1244 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1245 | BTM_TRACE_DEBUG ("after update sec_flags=0x%x", p_dev_rec->sec_flags); |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 1246 | if (!HCI_SIMPLE_PAIRING_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0])) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1247 | { |
| 1248 | /* The special case when we authenticate keyboard. Set pin type to fixed */ |
| 1249 | /* It would be probably better to do it from the application, but it is */ |
| 1250 | /* complicated */ |
| 1251 | if (((p_dev_rec->dev_class[1] & BTM_COD_MAJOR_CLASS_MASK) == BTM_COD_MAJOR_PERIPHERAL) |
| 1252 | && (p_dev_rec->dev_class[2] & BTM_COD_MINOR_KEYBOARD) |
| 1253 | && (btm_cb.cfg.pin_type != HCI_PIN_TYPE_FIXED)) |
| 1254 | { |
| 1255 | btm_cb.pin_type_changed = TRUE; |
| 1256 | btsnd_hcic_write_pin_type (HCI_PIN_TYPE_FIXED); |
| 1257 | } |
| 1258 | } |
| 1259 | |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 1260 | for (ii = 0; ii <= HCI_EXT_FEATURES_PAGE_MAX; ii++) |
| 1261 | { |
| 1262 | p_features = p_dev_rec->features[ii]; |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1263 | BTM_TRACE_EVENT(" remote_features page[%1d] = %02x-%02x-%02x-%02x", |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 1264 | ii, p_features[0], p_features[1], p_features[2], p_features[3]); |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1265 | BTM_TRACE_EVENT(" %02x-%02x-%02x-%02x", |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 1266 | p_features[4], p_features[5], p_features[6], p_features[7]); |
| 1267 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1268 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1269 | BTM_TRACE_EVENT ("BTM_SecBond: Remote sm4: 0x%x HCI Handle: 0x%04x", p_dev_rec->sm4, p_dev_rec->hci_handle); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1270 | |
| 1271 | #if BTM_SEC_FORCE_RNR_FOR_DBOND == TRUE |
| 1272 | p_dev_rec->sec_flags &= ~BTM_SEC_NAME_KNOWN; |
| 1273 | #endif |
| 1274 | |
| 1275 | /* If connection already exists... */ |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1276 | if (p && p->hci_handle != BTM_SEC_INVALID_HANDLE) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1277 | { |
| 1278 | if (!btm_sec_start_authentication (p_dev_rec)) |
| 1279 | return(BTM_NO_RESOURCES); |
| 1280 | |
| 1281 | btm_sec_change_pairing_state (BTM_PAIR_STATE_WAIT_PIN_REQ); |
| 1282 | |
| 1283 | /* Mark lcb as bonding */ |
| 1284 | l2cu_update_lcb_4_bonding (bd_addr, TRUE); |
| 1285 | return(BTM_CMD_STARTED); |
| 1286 | } |
| 1287 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1288 | BTM_TRACE_DEBUG ("sec mode: %d sm4:x%x", btm_cb.security_mode, p_dev_rec->sm4); |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 1289 | if (!HCI_SIMPLE_PAIRING_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0]) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1290 | || (p_dev_rec->sm4 == BTM_SM4_KNOWN)) |
| 1291 | { |
| 1292 | if ( btm_sec_check_prefetch_pin (p_dev_rec) ) |
| 1293 | return(BTM_CMD_STARTED); |
| 1294 | } |
| 1295 | if (BTM_SEC_MODE_SP == btm_cb.security_mode && BTM_SEC_IS_SM4_UNKNOWN(p_dev_rec->sm4)) |
| 1296 | { |
| 1297 | /* local is 2.1 and peer is unknown */ |
| 1298 | if ((p_dev_rec->sm4 & BTM_SM4_CONN_PEND) == 0) |
| 1299 | { |
| 1300 | /* we are not accepting connection request from peer |
| 1301 | * -> RNR (to learn if peer is 2.1) |
| 1302 | * RNR when no ACL causes HCI_RMT_HOST_SUP_FEAT_NOTIFY_EVT */ |
| 1303 | btm_sec_change_pairing_state (BTM_PAIR_STATE_GET_REM_NAME); |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1304 | BTM_ReadRemoteDeviceName(bd_addr, NULL, BT_TRANSPORT_BR_EDR); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1305 | } |
| 1306 | else |
| 1307 | { |
| 1308 | /* We are accepting connection request from peer */ |
| 1309 | btm_sec_change_pairing_state (BTM_PAIR_STATE_WAIT_PIN_REQ); |
| 1310 | } |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1311 | BTM_TRACE_DEBUG ("State:%s sm4: 0x%x sec_state:%d", |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1312 | btm_pair_state_descr (btm_cb.pairing_state), p_dev_rec->sm4, p_dev_rec->sec_state); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1313 | return BTM_CMD_STARTED; |
| 1314 | } |
| 1315 | |
| 1316 | /* both local and peer are 2.1 */ |
| 1317 | status = btm_sec_dd_create_conn(p_dev_rec); |
| 1318 | |
| 1319 | if (status != BTM_CMD_STARTED) |
| 1320 | { |
| 1321 | btm_sec_change_pairing_state (BTM_PAIR_STATE_IDLE); |
| 1322 | } |
| 1323 | |
| 1324 | return status; |
| 1325 | } |
| 1326 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1327 | /******************************************************************************* |
| 1328 | ** |
| 1329 | ** Function BTM_SecBondByTransport |
| 1330 | ** |
| 1331 | ** Description This function is called to perform bonding with peer device. |
| 1332 | ** If the connection is already up, but not secure, pairing |
| 1333 | ** is attempted. If already paired BTM_SUCCESS is returned. |
| 1334 | ** |
| 1335 | ** Parameters: bd_addr - Address of the device to bond |
| 1336 | ** transport - doing SSP over BR/EDR or SMP over LE |
| 1337 | ** pin_len - length in bytes of the PIN Code |
| 1338 | ** p_pin - pointer to array with the PIN Code |
| 1339 | ** trusted_mask - bitwise OR of trusted services (array of UINT32) |
| 1340 | ** |
| 1341 | ** Note: After 2.1 parameters are not used and preserved here not to change API |
| 1342 | *******************************************************************************/ |
| 1343 | tBTM_STATUS BTM_SecBondByTransport (BD_ADDR bd_addr, tBT_TRANSPORT transport, |
| 1344 | UINT8 pin_len, UINT8 *p_pin, UINT32 trusted_mask[]) |
| 1345 | { |
| 1346 | #if SMP_INCLUDED == TRUE |
| 1347 | tBT_DEVICE_TYPE dev_type; |
| 1348 | tBLE_ADDR_TYPE addr_type; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1349 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1350 | BTM_ReadDevInfo(bd_addr, &dev_type, &addr_type); |
| 1351 | /* LE device, do SMP pairing */ |
| 1352 | if ((transport == BT_TRANSPORT_LE && (dev_type & BT_DEVICE_TYPE_BLE) == 0) || |
| 1353 | (transport == BT_TRANSPORT_BR_EDR && (dev_type & BT_DEVICE_TYPE_BREDR) == 0)) |
| 1354 | { |
| 1355 | return BTM_ILLEGAL_ACTION; |
| 1356 | } |
| 1357 | #endif |
| 1358 | return btm_sec_bond_by_transport(bd_addr, transport, pin_len, p_pin, trusted_mask); |
| 1359 | } |
| 1360 | |
| 1361 | /******************************************************************************* |
| 1362 | ** |
| 1363 | ** Function BTM_SecBond |
| 1364 | ** |
| 1365 | ** Description This function is called to perform bonding with peer device. |
| 1366 | ** If the connection is already up, but not secure, pairing |
| 1367 | ** is attempted. If already paired BTM_SUCCESS is returned. |
| 1368 | ** |
| 1369 | ** Parameters: bd_addr - Address of the device to bond |
| 1370 | ** pin_len - length in bytes of the PIN Code |
| 1371 | ** p_pin - pointer to array with the PIN Code |
| 1372 | ** trusted_mask - bitwise OR of trusted services (array of UINT32) |
| 1373 | ** |
| 1374 | ** Note: After 2.1 parameters are not used and preserved here not to change API |
| 1375 | *******************************************************************************/ |
| 1376 | tBTM_STATUS BTM_SecBond (BD_ADDR bd_addr, UINT8 pin_len, UINT8 *p_pin, UINT32 trusted_mask[]) |
| 1377 | { |
| 1378 | tBT_TRANSPORT transport = BT_TRANSPORT_BR_EDR; |
| 1379 | #if BLE_INCLUDED == TRUE |
| 1380 | if (BTM_UseLeLink(bd_addr)) |
| 1381 | transport = BT_TRANSPORT_LE; |
| 1382 | #endif |
| 1383 | return btm_sec_bond_by_transport(bd_addr, transport, pin_len, p_pin, trusted_mask); |
| 1384 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1385 | /******************************************************************************* |
| 1386 | ** |
| 1387 | ** Function BTM_SecBondCancel |
| 1388 | ** |
| 1389 | ** Description This function is called to cancel ongoing bonding process |
| 1390 | ** with peer device. |
| 1391 | ** |
| 1392 | ** Parameters: bd_addr - Address of the peer device |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1393 | ** transport - FALSE for BR/EDR link; TRUE for LE link |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1394 | ** |
| 1395 | *******************************************************************************/ |
| 1396 | tBTM_STATUS BTM_SecBondCancel (BD_ADDR bd_addr) |
| 1397 | { |
| 1398 | tBTM_SEC_DEV_REC *p_dev_rec; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1399 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1400 | BTM_TRACE_API ("BTM_SecBondCancel() State: %s flags:0x%x", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1401 | btm_pair_state_descr (btm_cb.pairing_state), btm_cb.pairing_flags); |
| 1402 | |
| 1403 | if (((p_dev_rec = btm_find_dev (bd_addr)) == NULL) |
| 1404 | || (memcmp (btm_cb.pairing_bda, bd_addr, BD_ADDR_LEN) != 0) ) |
| 1405 | return BTM_UNKNOWN_ADDR; |
| 1406 | |
| 1407 | #if SMP_INCLUDED == TRUE |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1408 | if (btm_cb.pairing_flags & BTM_PAIR_FLAGS_LE_ACTIVE) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1409 | { |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1410 | if (p_dev_rec->sec_state == BTM_SEC_STATE_AUTHENTICATING) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1411 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1412 | BTM_TRACE_DEBUG ("Cancel LE pairing"); |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1413 | if (SMP_PairCancel(bd_addr)) |
| 1414 | { |
| 1415 | return BTM_CMD_STARTED; |
| 1416 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1417 | } |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1418 | return BTM_WRONG_MODE; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1419 | } |
| 1420 | |
| 1421 | #endif |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1422 | BTM_TRACE_DEBUG ("hci_handle:0x%x sec_state:%d", p_dev_rec->hci_handle, p_dev_rec->sec_state ); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1423 | if (BTM_PAIR_STATE_WAIT_LOCAL_PIN == btm_cb.pairing_state && |
| 1424 | BTM_PAIR_FLAGS_WE_STARTED_DD & btm_cb.pairing_flags) |
| 1425 | { |
| 1426 | /* pre-fetching pin for dedicated bonding */ |
| 1427 | btm_sec_bond_cancel_complete(); |
| 1428 | return BTM_SUCCESS; |
| 1429 | } |
| 1430 | |
| 1431 | /* If this BDA is in a bonding procedure */ |
| 1432 | if ( (btm_cb.pairing_state != BTM_PAIR_STATE_IDLE) |
| 1433 | && (btm_cb.pairing_flags & BTM_PAIR_FLAGS_WE_STARTED_DD)) |
| 1434 | { |
| 1435 | /* If the HCI link is up */ |
| 1436 | if (p_dev_rec->hci_handle != BTM_SEC_INVALID_HANDLE) |
| 1437 | { |
| 1438 | /* If some other thread disconnecting, we do not send second command */ |
| 1439 | if (p_dev_rec->sec_state == BTM_SEC_STATE_DISCONNECTING) |
| 1440 | return(BTM_CMD_STARTED); |
| 1441 | |
| 1442 | /* If the HCI link was set up by Bonding process */ |
| 1443 | if (btm_cb.pairing_flags & BTM_PAIR_FLAGS_DISC_WHEN_DONE) |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1444 | return btm_sec_send_hci_disconnect(p_dev_rec, HCI_ERR_PEER_USER, p_dev_rec->hci_handle); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1445 | else |
| 1446 | l2cu_update_lcb_4_bonding(bd_addr, FALSE); |
| 1447 | |
| 1448 | return BTM_NOT_AUTHORIZED; |
| 1449 | } |
| 1450 | else /*HCI link is not up */ |
| 1451 | { |
| 1452 | /* If the HCI link creation was started by Bonding process */ |
| 1453 | if (btm_cb.pairing_flags & BTM_PAIR_FLAGS_DISC_WHEN_DONE) |
| 1454 | { |
| 1455 | if (btsnd_hcic_create_conn_cancel(bd_addr)) |
| 1456 | return BTM_CMD_STARTED; |
| 1457 | |
| 1458 | return BTM_NO_RESOURCES; |
| 1459 | } |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 1460 | if (btm_cb.pairing_state == BTM_PAIR_STATE_GET_REM_NAME) |
| 1461 | { |
| 1462 | BTM_CancelRemoteDeviceName(); |
| 1463 | btm_cb.pairing_flags |= BTM_PAIR_FLAGS_WE_CANCEL_DD; |
| 1464 | return BTM_CMD_STARTED; |
| 1465 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1466 | return BTM_NOT_AUTHORIZED; |
| 1467 | } |
| 1468 | } |
| 1469 | |
| 1470 | return BTM_WRONG_MODE; |
| 1471 | } |
| 1472 | |
| 1473 | /******************************************************************************* |
| 1474 | ** |
| 1475 | ** Function BTM_SecUseMasterLinkKey |
| 1476 | ** |
| 1477 | ** Description This function is called to tell master of the piconet to |
| 1478 | ** switch to master link key |
| 1479 | ** |
| 1480 | ** Parameters: use_master_key - If true Master Link Key shoul be used |
| 1481 | ** |
| 1482 | *******************************************************************************/ |
| 1483 | tBTM_STATUS BTM_SecUseMasterLinkKey (BOOLEAN use_master_key) |
| 1484 | { |
| 1485 | return(btsnd_hcic_master_link_key (use_master_key) ? BTM_SUCCESS : |
| 1486 | BTM_NO_RESOURCES); |
| 1487 | } |
| 1488 | |
| 1489 | /******************************************************************************* |
| 1490 | ** |
| 1491 | ** Function BTM_SetMasterKeyCompCback |
| 1492 | ** |
| 1493 | ** Description This function is called to register for the master key complete |
| 1494 | ** status event. |
| 1495 | ** |
| 1496 | ** Parameters: mkey_cback - callback registered with the security manager |
| 1497 | ** |
| 1498 | *******************************************************************************/ |
| 1499 | void BTM_SetMasterKeyCompCback( tBTM_MKEY_CALLBACK *mkey_cback ) |
| 1500 | { |
| 1501 | btm_cb.mkey_cback = mkey_cback; |
| 1502 | } |
| 1503 | |
| 1504 | /******************************************************************************* |
| 1505 | ** |
| 1506 | ** Function BTM_SecGetDeviceLinkKey |
| 1507 | ** |
| 1508 | ** Description This function is called to obtain link key for the device |
| 1509 | ** it returns BTM_SUCCESS if link key is available, or |
| 1510 | ** BTM_UNKNOWN_ADDR if Security Manager does not know about |
| 1511 | ** the device or device record does not contain link key info |
| 1512 | ** |
| 1513 | ** Parameters: bd_addr - Address of the device |
| 1514 | ** link_key - Link Key is copied into this array |
| 1515 | ** |
| 1516 | *******************************************************************************/ |
| 1517 | tBTM_STATUS BTM_SecGetDeviceLinkKey (BD_ADDR bd_addr, LINK_KEY link_key) |
| 1518 | { |
| 1519 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 1520 | |
| 1521 | if (((p_dev_rec = btm_find_dev (bd_addr)) != NULL) |
| 1522 | && (p_dev_rec->sec_flags & BTM_SEC_LINK_KEY_KNOWN)) |
| 1523 | { |
| 1524 | memcpy (link_key, p_dev_rec->link_key, LINK_KEY_LEN); |
| 1525 | return(BTM_SUCCESS); |
| 1526 | } |
| 1527 | return(BTM_UNKNOWN_ADDR); |
| 1528 | } |
| 1529 | |
| 1530 | |
| 1531 | /******************************************************************************* |
| 1532 | ** |
| 1533 | ** Function BTM_SetEncryption |
| 1534 | ** |
| 1535 | ** Description This function is called to ensure that connection is |
| 1536 | ** encrypted. Should be called only on an open connection. |
| 1537 | ** Typically only needed for connections that first want to |
| 1538 | ** bring up unencrypted links, then later encrypt them. |
| 1539 | ** |
| 1540 | ** Parameters: bd_addr - Address of the peer device |
| 1541 | ** p_callback - Pointer to callback function called if |
| 1542 | ** this function returns PENDING after required |
| 1543 | ** procedures are completed. Can be set to NULL |
| 1544 | ** if status is not desired. |
| 1545 | ** p_ref_data - pointer to any data the caller wishes to receive |
| 1546 | ** in the callback function upon completion. |
| 1547 | * can be set to NULL if not used. |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1548 | ** transport - TRUE to encryption the link over LE trasnport |
| 1549 | ** or FALSE for BR/EDR trasnport |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1550 | ** |
| 1551 | ** Returns BTM_SUCCESS - already encrypted |
| 1552 | ** BTM_PENDING - command will be returned in the callback |
| 1553 | ** BTM_WRONG_MODE- connection not up. |
| 1554 | ** BTM_BUSY - security procedures are currently active |
| 1555 | ** BTM_MODE_UNSUPPORTED - if security manager not linked in. |
| 1556 | ** |
| 1557 | *******************************************************************************/ |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1558 | tBTM_STATUS BTM_SetEncryption (BD_ADDR bd_addr, tBT_TRANSPORT transport, tBTM_SEC_CBACK *p_callback, |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1559 | void *p_ref_data) |
| 1560 | { |
| 1561 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 1562 | tBTM_STATUS rc; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1563 | #if BLE_INCLUDED == TRUE |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1564 | tACL_CONN *p = btm_bda_to_acl(bd_addr, transport); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1565 | #endif |
| 1566 | |
| 1567 | p_dev_rec = btm_find_dev (bd_addr); |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1568 | |
| 1569 | if (!p_dev_rec || |
| 1570 | (transport == BT_TRANSPORT_BR_EDR && p_dev_rec->hci_handle == BTM_SEC_INVALID_HANDLE) |
| 1571 | #if BLE_INCLUDED == TRUE |
| 1572 | || (transport == BT_TRANSPORT_LE && p_dev_rec->ble_hci_handle == BTM_SEC_INVALID_HANDLE) |
| 1573 | #endif |
| 1574 | ) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1575 | { |
| 1576 | /* Connection should be up and runnning */ |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1577 | BTM_TRACE_WARNING ("Security Manager: BTM_SetEncryption not connected"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1578 | |
| 1579 | if (p_callback) |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1580 | (*p_callback) (bd_addr, transport, p_ref_data, BTM_WRONG_MODE); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1581 | |
| 1582 | return(BTM_WRONG_MODE); |
| 1583 | } |
| 1584 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1585 | if ((transport == BT_TRANSPORT_BR_EDR && |
| 1586 | (p_dev_rec->sec_flags & BTM_SEC_ENCRYPTED)) |
| 1587 | #if BLE_INCLUDED == TRUE && SMP_INCLUDED == TRUE |
| 1588 | || (transport == BT_TRANSPORT_LE && |
| 1589 | (p_dev_rec->sec_flags & BTM_SEC_LE_ENCRYPTED)) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1590 | #endif |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1591 | ) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1592 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1593 | BTM_TRACE_EVENT ("Security Manager: BTM_SetEncryption already encrypted"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1594 | |
| 1595 | if (p_callback) |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1596 | (*p_callback) (bd_addr, transport, p_ref_data, BTM_SUCCESS); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1597 | |
| 1598 | return(BTM_SUCCESS); |
| 1599 | } |
| 1600 | |
| 1601 | if (p_dev_rec->p_callback) |
| 1602 | { |
| 1603 | /* Connection should be up and runnning */ |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1604 | BTM_TRACE_WARNING ("Security Manager: BTM_SetEncryption busy"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1605 | |
| 1606 | if (p_callback) |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1607 | (*p_callback) (bd_addr, transport, p_ref_data, BTM_BUSY); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1608 | |
| 1609 | return(BTM_BUSY); |
| 1610 | } |
| 1611 | |
| 1612 | p_dev_rec->p_callback = p_callback; |
| 1613 | p_dev_rec->p_ref_data = p_ref_data; |
| 1614 | p_dev_rec->security_required |= (BTM_SEC_IN_AUTHENTICATE | BTM_SEC_IN_ENCRYPT); |
| 1615 | p_dev_rec->is_originator = FALSE; |
| 1616 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1617 | BTM_TRACE_API ("Security Manager: BTM_SetEncryption Handle:%d State:%d Flags:0x%x Required:0x%x", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1618 | p_dev_rec->hci_handle, p_dev_rec->sec_state, p_dev_rec->sec_flags, |
| 1619 | p_dev_rec->security_required); |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1620 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1621 | #if BLE_INCLUDED == TRUE && SMP_INCLUDED == TRUE |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1622 | if (transport == BT_TRANSPORT_LE) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1623 | { |
| 1624 | rc = btm_ble_set_encryption(bd_addr, p_ref_data, p->link_role); |
| 1625 | } |
| 1626 | else |
| 1627 | #endif |
| 1628 | |
| 1629 | rc = btm_sec_execute_procedure (p_dev_rec); |
| 1630 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1631 | if (rc != BTM_CMD_STARTED && rc != BTM_BUSY) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1632 | { |
| 1633 | if (p_callback) |
| 1634 | { |
| 1635 | p_dev_rec->p_callback = NULL; |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1636 | (*p_callback) (bd_addr, transport, p_dev_rec->p_ref_data, rc); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1637 | } |
| 1638 | } |
| 1639 | return(rc); |
| 1640 | } |
| 1641 | |
| 1642 | /******************************************************************************* |
| 1643 | * disconnect the ACL link, if it's not done yet. |
| 1644 | *******************************************************************************/ |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1645 | static tBTM_STATUS btm_sec_send_hci_disconnect (tBTM_SEC_DEV_REC *p_dev_rec, UINT8 reason, UINT16 conn_handle) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1646 | { |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 1647 | UINT8 old_state = p_dev_rec->sec_state; |
| 1648 | tBTM_STATUS status = BTM_CMD_STARTED; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1649 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1650 | BTM_TRACE_EVENT ("btm_sec_send_hci_disconnect: handle:0x%x, reason=0x%x", |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1651 | conn_handle, reason); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1652 | |
| 1653 | /* if some other thread disconnecting, we do not send second command */ |
| 1654 | if (BTM_SEC_STATE_DISCONNECTING != old_state) |
| 1655 | { |
| 1656 | p_dev_rec->sec_state = BTM_SEC_STATE_DISCONNECTING; |
| 1657 | |
| 1658 | #if BTM_DISC_DURING_RS == TRUE |
| 1659 | /* If a Role Switch is in progress, delay the HCI Disconnect to avoid controller problem (4329B1) */ |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1660 | if (p_dev_rec->rs_disc_pending == BTM_SEC_RS_PENDING && |
| 1661 | p_dev_rec->hci_handle == conn_handle) |
| 1662 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1663 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1664 | BTM_TRACE_DEBUG("RS in progress - Set DISC Pending flag in btm_sec_send_hci_disconnect to delay disconnect"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1665 | p_dev_rec->rs_disc_pending = BTM_SEC_DISC_PENDING; |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 1666 | status = BTM_SUCCESS; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1667 | } |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 1668 | else |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1669 | #endif |
| 1670 | /* Tear down the HCI link */ |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1671 | if (!btsnd_hcic_disconnect (conn_handle, reason)) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1672 | { |
| 1673 | /* could not send disconnect. restore old state */ |
| 1674 | p_dev_rec->sec_state = old_state; |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 1675 | status = BTM_NO_RESOURCES; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1676 | } |
| 1677 | } |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 1678 | return (status); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1679 | } |
| 1680 | |
| 1681 | /******************************************************************************* |
| 1682 | ** |
| 1683 | ** Function BTM_ConfirmReqReply |
| 1684 | ** |
| 1685 | ** Description This function is called to confirm the numeric value for |
| 1686 | ** Simple Pairing in response to BTM_SP_CFM_REQ_EVT |
| 1687 | ** |
| 1688 | ** Parameters: res - result of the operation BTM_SUCCESS if success |
| 1689 | ** bd_addr - Address of the peer device |
| 1690 | ** |
| 1691 | *******************************************************************************/ |
| 1692 | void BTM_ConfirmReqReply(tBTM_STATUS res, BD_ADDR bd_addr) |
| 1693 | { |
| 1694 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 1695 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1696 | BTM_TRACE_EVENT ("BTM_ConfirmReqReply() State: %s Res: %u", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1697 | btm_pair_state_descr(btm_cb.pairing_state), res); |
| 1698 | |
| 1699 | /* If timeout already expired or has been canceled, ignore the reply */ |
| 1700 | if ( (btm_cb.pairing_state != BTM_PAIR_STATE_WAIT_NUMERIC_CONFIRM) |
| 1701 | || (memcmp (btm_cb.pairing_bda, bd_addr, BD_ADDR_LEN) != 0) ) |
| 1702 | return; |
| 1703 | |
| 1704 | btm_sec_change_pairing_state (BTM_PAIR_STATE_WAIT_AUTH_COMPLETE); |
| 1705 | |
| 1706 | if ( (res == BTM_SUCCESS) || (res == BTM_SUCCESS_NO_SECURITY) ) |
| 1707 | { |
| 1708 | btm_cb.acl_disc_reason = HCI_SUCCESS; |
| 1709 | |
| 1710 | if (res == BTM_SUCCESS) |
| 1711 | { |
| 1712 | if ((p_dev_rec = btm_find_dev (bd_addr)) != NULL) |
| 1713 | p_dev_rec->sec_flags |= BTM_SEC_LINK_KEY_AUTHED; |
| 1714 | } |
| 1715 | |
| 1716 | btsnd_hcic_user_conf_reply (bd_addr, TRUE); |
| 1717 | } |
| 1718 | else |
| 1719 | { |
| 1720 | /* Report authentication failed event from state BTM_PAIR_STATE_WAIT_AUTH_COMPLETE */ |
| 1721 | btm_cb.acl_disc_reason = HCI_ERR_HOST_REJECT_SECURITY; |
| 1722 | btsnd_hcic_user_conf_reply (bd_addr, FALSE); |
| 1723 | } |
| 1724 | } |
| 1725 | |
| 1726 | /******************************************************************************* |
| 1727 | ** |
| 1728 | ** Function BTM_PasskeyReqReply |
| 1729 | ** |
| 1730 | ** Description This function is called to provide the passkey for |
| 1731 | ** Simple Pairing in response to BTM_SP_KEY_REQ_EVT |
| 1732 | ** |
| 1733 | ** Parameters: res - result of the operation BTM_SUCCESS if success |
| 1734 | ** bd_addr - Address of the peer device |
| 1735 | ** passkey - numeric value in the range of |
| 1736 | ** BTM_MIN_PASSKEY_VAL(0) - BTM_MAX_PASSKEY_VAL(999999(0xF423F)). |
| 1737 | ** |
| 1738 | *******************************************************************************/ |
| 1739 | #if (BTM_LOCAL_IO_CAPS != BTM_IO_CAP_NONE) |
| 1740 | void BTM_PasskeyReqReply(tBTM_STATUS res, BD_ADDR bd_addr, UINT32 passkey) |
| 1741 | { |
| 1742 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 1743 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1744 | BTM_TRACE_API ("BTM_PasskeyReqReply: State: %s res:%d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1745 | btm_pair_state_descr(btm_cb.pairing_state), res); |
| 1746 | |
| 1747 | if ( (btm_cb.pairing_state == BTM_PAIR_STATE_IDLE) |
| 1748 | || (memcmp (btm_cb.pairing_bda, bd_addr, BD_ADDR_LEN) != 0) ) |
| 1749 | { |
| 1750 | return; |
| 1751 | } |
| 1752 | |
| 1753 | /* If timeout already expired or has been canceled, ignore the reply */ |
| 1754 | if ( (btm_cb.pairing_state == BTM_PAIR_STATE_WAIT_AUTH_COMPLETE) && (res != BTM_SUCCESS) ) |
| 1755 | { |
| 1756 | if ((p_dev_rec = btm_find_dev (bd_addr)) != NULL) |
| 1757 | { |
| 1758 | btm_cb.acl_disc_reason = HCI_ERR_HOST_REJECT_SECURITY; |
| 1759 | |
| 1760 | if (p_dev_rec->hci_handle != BTM_SEC_INVALID_HANDLE) |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1761 | btm_sec_send_hci_disconnect (p_dev_rec, HCI_ERR_AUTH_FAILURE, p_dev_rec->hci_handle); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1762 | else |
| 1763 | BTM_SecBondCancel(bd_addr); |
| 1764 | |
| 1765 | p_dev_rec->sec_flags &= ~(BTM_SEC_LINK_KEY_AUTHED | BTM_SEC_LINK_KEY_KNOWN); |
| 1766 | |
| 1767 | btm_sec_change_pairing_state (BTM_PAIR_STATE_IDLE); |
| 1768 | return; |
| 1769 | } |
| 1770 | } |
| 1771 | else if (btm_cb.pairing_state != BTM_PAIR_STATE_KEY_ENTRY) |
| 1772 | return; |
| 1773 | |
| 1774 | if (passkey > BTM_MAX_PASSKEY_VAL) |
| 1775 | res = BTM_ILLEGAL_VALUE; |
| 1776 | |
| 1777 | btm_sec_change_pairing_state (BTM_PAIR_STATE_WAIT_AUTH_COMPLETE); |
| 1778 | |
| 1779 | if (res != BTM_SUCCESS) |
| 1780 | { |
| 1781 | /* use BTM_PAIR_STATE_WAIT_AUTH_COMPLETE to report authentication failed event */ |
| 1782 | btm_cb.acl_disc_reason = HCI_ERR_HOST_REJECT_SECURITY; |
| 1783 | btsnd_hcic_user_passkey_neg_reply (bd_addr); |
| 1784 | } |
| 1785 | else |
| 1786 | { |
| 1787 | btm_cb.acl_disc_reason = HCI_SUCCESS; |
| 1788 | btsnd_hcic_user_passkey_reply (bd_addr, passkey); |
| 1789 | } |
| 1790 | } |
| 1791 | #endif |
| 1792 | |
| 1793 | /******************************************************************************* |
| 1794 | ** |
| 1795 | ** Function BTM_SendKeypressNotif |
| 1796 | ** |
| 1797 | ** Description This function is used during the passkey entry model |
| 1798 | ** by a device with KeyboardOnly IO capabilities |
| 1799 | ** (very likely to be a HID Device). |
| 1800 | ** It is called by a HID Device to inform the remote device when |
| 1801 | ** a key has been entered or erased. |
| 1802 | ** |
| 1803 | ** Parameters: bd_addr - Address of the peer device |
| 1804 | ** type - notification type |
| 1805 | ** |
| 1806 | *******************************************************************************/ |
| 1807 | #if (BTM_LOCAL_IO_CAPS != BTM_IO_CAP_NONE) |
| 1808 | void BTM_SendKeypressNotif(BD_ADDR bd_addr, tBTM_SP_KEY_TYPE type) |
| 1809 | { |
| 1810 | /* This API only make sense between PASSKEY_REQ and SP complete */ |
| 1811 | if (btm_cb.pairing_state == BTM_PAIR_STATE_KEY_ENTRY) |
| 1812 | btsnd_hcic_send_keypress_notif (bd_addr, type); |
| 1813 | } |
| 1814 | #endif |
| 1815 | |
| 1816 | #if BTM_OOB_INCLUDED == TRUE |
| 1817 | /******************************************************************************* |
| 1818 | ** |
| 1819 | ** Function BTM_IoCapRsp |
| 1820 | ** |
| 1821 | ** Description This function is called in response to BTM_SP_IO_REQ_EVT |
| 1822 | ** When the event data io_req.oob_data is set to BTM_OOB_UNKNOWN |
| 1823 | ** by the tBTM_SP_CALLBACK implementation, this function is |
| 1824 | ** called to provide the actual response |
| 1825 | ** |
| 1826 | ** Parameters: bd_addr - Address of the peer device |
| 1827 | ** io_cap - The IO capability of local device. |
| 1828 | ** oob - BTM_OOB_NONE or BTM_OOB_PRESENT. |
| 1829 | ** auth_req- MITM protection required or not. |
| 1830 | ** |
| 1831 | *******************************************************************************/ |
| 1832 | void BTM_IoCapRsp(BD_ADDR bd_addr, tBTM_IO_CAP io_cap, tBTM_OOB_DATA oob, tBTM_AUTH_REQ auth_req) |
| 1833 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1834 | BTM_TRACE_EVENT ("BTM_IoCapRsp: state: %s oob: %d io_cap: %d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1835 | btm_pair_state_descr(btm_cb.pairing_state), oob, io_cap); |
| 1836 | |
| 1837 | if ( (btm_cb.pairing_state != BTM_PAIR_STATE_WAIT_LOCAL_IOCAPS) |
| 1838 | || (memcmp (btm_cb.pairing_bda, bd_addr, BD_ADDR_LEN) != 0) ) |
| 1839 | return; |
| 1840 | |
| 1841 | if (oob < BTM_OOB_UNKNOWN && io_cap < BTM_IO_CAP_MAX) |
| 1842 | { |
| 1843 | btm_cb.devcb.loc_auth_req = auth_req; |
| 1844 | btm_cb.devcb.loc_io_caps = io_cap; |
| 1845 | |
| 1846 | if (btm_cb.pairing_flags & BTM_PAIR_FLAGS_WE_STARTED_DD) |
| 1847 | auth_req = (BTM_AUTH_DD_BOND | (auth_req&BTM_AUTH_YN_BIT)); |
| 1848 | |
| 1849 | btsnd_hcic_io_cap_req_reply (bd_addr, io_cap, oob, auth_req); |
| 1850 | } |
| 1851 | } |
| 1852 | |
| 1853 | /******************************************************************************* |
| 1854 | ** |
| 1855 | ** Function BTM_ReadLocalOobData |
| 1856 | ** |
| 1857 | ** Description This function is called to read the local OOB data from |
| 1858 | ** LM |
| 1859 | ** |
| 1860 | *******************************************************************************/ |
| 1861 | tBTM_STATUS BTM_ReadLocalOobData(void) |
| 1862 | { |
| 1863 | tBTM_STATUS status = BTM_SUCCESS; |
| 1864 | |
| 1865 | if (btsnd_hcic_read_local_oob_data() == FALSE) |
| 1866 | status = BTM_NO_RESOURCES; |
| 1867 | |
| 1868 | return status; |
| 1869 | } |
| 1870 | |
| 1871 | /******************************************************************************* |
| 1872 | ** |
| 1873 | ** Function BTM_RemoteOobDataReply |
| 1874 | ** |
| 1875 | ** Description This function is called to provide the remote OOB data for |
| 1876 | ** Simple Pairing in response to BTM_SP_RMT_OOB_EVT |
| 1877 | ** |
| 1878 | ** Parameters: bd_addr - Address of the peer device |
| 1879 | ** c - simple pairing Hash C. |
| 1880 | ** r - simple pairing Randomizer C. |
| 1881 | ** |
| 1882 | *******************************************************************************/ |
| 1883 | void BTM_RemoteOobDataReply(tBTM_STATUS res, BD_ADDR bd_addr, BT_OCTET16 c, BT_OCTET16 r) |
| 1884 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1885 | BTM_TRACE_EVENT ("BTM_RemoteOobDataReply(): State: %s res:%d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1886 | btm_pair_state_descr(btm_cb.pairing_state), res); |
| 1887 | |
| 1888 | /* If timeout already expired or has been canceled, ignore the reply */ |
| 1889 | if (btm_cb.pairing_state != BTM_PAIR_STATE_WAIT_LOCAL_OOB_RSP) |
| 1890 | return; |
| 1891 | |
| 1892 | btm_sec_change_pairing_state (BTM_PAIR_STATE_WAIT_AUTH_COMPLETE); |
| 1893 | |
| 1894 | if (res != BTM_SUCCESS) |
| 1895 | { |
| 1896 | /* use BTM_PAIR_STATE_WAIT_AUTH_COMPLETE to report authentication failed event */ |
| 1897 | btm_cb.acl_disc_reason = HCI_ERR_HOST_REJECT_SECURITY; |
| 1898 | btsnd_hcic_rem_oob_neg_reply (bd_addr); |
| 1899 | } |
| 1900 | else |
| 1901 | { |
| 1902 | btm_cb.acl_disc_reason = HCI_SUCCESS; |
| 1903 | btsnd_hcic_rem_oob_reply (bd_addr, c, r); |
| 1904 | } |
| 1905 | } |
| 1906 | |
| 1907 | /******************************************************************************* |
| 1908 | ** |
| 1909 | ** Function BTM_BuildOobData |
| 1910 | ** |
| 1911 | ** Description This function is called to build the OOB data payload to |
| 1912 | ** be sent over OOB (non-Bluetooth) link |
| 1913 | ** |
| 1914 | ** Parameters: p_data - the location for OOB data |
| 1915 | ** max_len - p_data size. |
| 1916 | ** c - simple pairing Hash C. |
| 1917 | ** r - simple pairing Randomizer C. |
| 1918 | ** name_len- 0, local device name would not be included. |
| 1919 | ** otherwise, the local device name is included for |
| 1920 | ** up to this specified length |
| 1921 | ** |
| 1922 | ** Returns Number of bytes in p_data. |
| 1923 | ** |
| 1924 | *******************************************************************************/ |
| 1925 | UINT16 BTM_BuildOobData(UINT8 *p_data, UINT16 max_len, BT_OCTET16 c, |
| 1926 | BT_OCTET16 r, UINT8 name_len) |
| 1927 | { |
| 1928 | UINT8 *p = p_data; |
| 1929 | UINT16 len = 0; |
| 1930 | UINT16 delta; |
| 1931 | #if BTM_MAX_LOC_BD_NAME_LEN > 0 |
| 1932 | UINT16 name_size; |
| 1933 | UINT8 name_type = BTM_EIR_SHORTENED_LOCAL_NAME_TYPE; |
| 1934 | #endif |
| 1935 | |
| 1936 | if (p_data && max_len >= BTM_OOB_MANDATORY_SIZE) |
| 1937 | { |
| 1938 | /* add mandatory part */ |
| 1939 | UINT16_TO_STREAM(p, len); |
| 1940 | BDADDR_TO_STREAM(p, btm_cb.devcb.local_addr); |
| 1941 | |
| 1942 | len = BTM_OOB_MANDATORY_SIZE; |
| 1943 | max_len -= len; |
| 1944 | |
| 1945 | /* now optional part */ |
| 1946 | |
| 1947 | /* add Hash C */ |
| 1948 | delta = BTM_OOB_HASH_C_SIZE + 2; |
| 1949 | if (max_len >= delta) |
| 1950 | { |
| 1951 | *p++ = BTM_OOB_HASH_C_SIZE + 1; |
| 1952 | *p++ = BTM_EIR_OOB_SSP_HASH_C_TYPE; |
| 1953 | ARRAY_TO_STREAM(p, c, BTM_OOB_HASH_C_SIZE); |
| 1954 | len += delta; |
| 1955 | max_len -= delta; |
| 1956 | } |
| 1957 | |
| 1958 | /* add Rand R */ |
| 1959 | delta = BTM_OOB_RAND_R_SIZE + 2; |
| 1960 | if (max_len >= delta) |
| 1961 | { |
| 1962 | *p++ = BTM_OOB_RAND_R_SIZE + 1; |
| 1963 | *p++ = BTM_EIR_OOB_SSP_RAND_R_TYPE; |
| 1964 | ARRAY_TO_STREAM(p, r, BTM_OOB_RAND_R_SIZE); |
| 1965 | len += delta; |
| 1966 | max_len -= delta; |
| 1967 | } |
| 1968 | |
| 1969 | /* add class of device */ |
| 1970 | delta = BTM_OOB_COD_SIZE + 2; |
| 1971 | if (max_len >= delta) |
| 1972 | { |
| 1973 | *p++ = BTM_OOB_COD_SIZE + 1; |
| 1974 | *p++ = BTM_EIR_OOB_COD_TYPE; |
| 1975 | DEVCLASS_TO_STREAM(p, btm_cb.devcb.dev_class); |
| 1976 | len += delta; |
| 1977 | max_len -= delta; |
| 1978 | } |
| 1979 | #if BTM_MAX_LOC_BD_NAME_LEN > 0 |
| 1980 | name_size = name_len; |
| 1981 | if (name_size > strlen(btm_cb.cfg.bd_name)) |
| 1982 | { |
| 1983 | name_type = BTM_EIR_COMPLETE_LOCAL_NAME_TYPE; |
| 1984 | name_size = (UINT16)strlen(btm_cb.cfg.bd_name); |
| 1985 | } |
| 1986 | delta = name_size + 2; |
| 1987 | if (max_len >= delta) |
| 1988 | { |
| 1989 | *p++ = name_size + 1; |
| 1990 | *p++ = name_type; |
| 1991 | ARRAY_TO_STREAM (p, btm_cb.cfg.bd_name, name_size); |
| 1992 | len += delta; |
| 1993 | max_len -= delta; |
| 1994 | } |
| 1995 | #endif |
| 1996 | /* update len */ |
| 1997 | p = p_data; |
| 1998 | UINT16_TO_STREAM(p, len); |
| 1999 | } |
| 2000 | return len; |
| 2001 | } |
| 2002 | |
| 2003 | /******************************************************************************* |
| 2004 | ** |
| 2005 | ** Function BTM_ReadOobData |
| 2006 | ** |
| 2007 | ** Description This function is called to parse the OOB data payload |
| 2008 | ** received over OOB (non-Bluetooth) link |
| 2009 | ** |
| 2010 | ** Parameters: p_data - the location for OOB data |
| 2011 | ** eir_tag - The associated EIR tag to read the data. |
| 2012 | ** *p_len(output) - the length of the data with the given tag. |
| 2013 | ** |
| 2014 | ** Returns the beginning of the data with the given tag. |
| 2015 | ** NULL, if the tag is not found. |
| 2016 | ** |
| 2017 | *******************************************************************************/ |
| 2018 | UINT8 * BTM_ReadOobData(UINT8 *p_data, UINT8 eir_tag, UINT8 *p_len) |
| 2019 | { |
| 2020 | UINT8 *p = p_data; |
| 2021 | UINT16 max_len; |
| 2022 | UINT8 len, type; |
| 2023 | UINT8 *p_ret = NULL; |
| 2024 | UINT8 ret_len = 0; |
| 2025 | |
| 2026 | if (p_data) |
| 2027 | { |
| 2028 | STREAM_TO_UINT16(max_len, p); |
| 2029 | if (max_len >= BTM_OOB_MANDATORY_SIZE) |
| 2030 | { |
| 2031 | if (BTM_EIR_OOB_BD_ADDR_TYPE == eir_tag) |
| 2032 | { |
| 2033 | p_ret = p; /* the location for bd_addr */ |
| 2034 | ret_len = BTM_OOB_BD_ADDR_SIZE; |
| 2035 | } |
| 2036 | else |
| 2037 | { |
| 2038 | p += BD_ADDR_LEN; |
| 2039 | max_len -= BTM_OOB_MANDATORY_SIZE; |
| 2040 | /* now the optional data in EIR format */ |
| 2041 | while (max_len > 0) |
| 2042 | { |
| 2043 | len = *p++; /* tag data len + 1 */ |
| 2044 | type = *p++; |
| 2045 | if (eir_tag == type) |
| 2046 | { |
| 2047 | p_ret = p; |
| 2048 | ret_len = len - 1; |
| 2049 | break; |
| 2050 | } |
| 2051 | /* the data size of this tag is len + 1 (tag data len + 2) */ |
| 2052 | if (max_len > len) |
| 2053 | { |
| 2054 | max_len -= len; |
| 2055 | max_len--; |
| 2056 | len--; |
| 2057 | p += len; |
| 2058 | } |
| 2059 | else |
| 2060 | max_len = 0; |
| 2061 | } |
| 2062 | } |
| 2063 | } |
| 2064 | } |
| 2065 | |
| 2066 | if (p_len) |
| 2067 | *p_len = ret_len; |
| 2068 | |
| 2069 | return p_ret; |
| 2070 | } |
| 2071 | #endif |
| 2072 | |
| 2073 | /******************************************************************************* |
| 2074 | ** |
| 2075 | ** Function BTM_SetOutService |
| 2076 | ** |
| 2077 | ** Description This function is called to set the service for |
| 2078 | ** outgoing connections. |
| 2079 | ** |
| 2080 | ** If the profile/application calls BTM_SetSecurityLevel |
| 2081 | ** before initiating a connection, this function does not |
| 2082 | ** need to be called. |
| 2083 | ** |
| 2084 | ** Returns void |
| 2085 | ** |
| 2086 | *******************************************************************************/ |
| 2087 | void BTM_SetOutService(BD_ADDR bd_addr, UINT8 service_id, UINT32 mx_chan_id) |
| 2088 | { |
| 2089 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 2090 | tBTM_SEC_SERV_REC *p_serv_rec = &btm_cb.sec_serv_rec[0]; |
| 2091 | int i; |
| 2092 | |
| 2093 | btm_cb.p_out_serv = p_serv_rec; |
| 2094 | p_dev_rec = btm_find_dev (bd_addr); |
| 2095 | |
| 2096 | for (i = 0; i < BTM_SEC_MAX_SERVICE_RECORDS; i++, p_serv_rec++) |
| 2097 | { |
| 2098 | if ((p_serv_rec->security_flags & BTM_SEC_IN_USE) |
| 2099 | && (p_serv_rec->service_id == service_id) |
| 2100 | && (p_serv_rec->orig_mx_chan_id == mx_chan_id)) |
| 2101 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2102 | BTM_TRACE_API("BTM_SetOutService p_out_serv id %d, psm 0x%04x, proto_id %d, chan_id %d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2103 | p_serv_rec->service_id, p_serv_rec->psm, p_serv_rec->mx_proto_id, p_serv_rec->orig_mx_chan_id); |
| 2104 | btm_cb.p_out_serv = p_serv_rec; |
| 2105 | if (p_dev_rec) |
| 2106 | p_dev_rec->p_cur_service = p_serv_rec; |
| 2107 | break; |
| 2108 | } |
| 2109 | } |
| 2110 | } |
| 2111 | |
| 2112 | /************************************************************************ |
| 2113 | ** I N T E R N A L F U N C T I O N S |
| 2114 | *************************************************************************/ |
| 2115 | /******************************************************************************* |
| 2116 | ** |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 2117 | ** Function btm_sec_is_upgrade_possible |
| 2118 | ** |
| 2119 | ** Description This function returns TRUE if the existing link key |
| 2120 | ** can be upgraded or if the link key does not exist. |
| 2121 | ** |
| 2122 | ** Returns BOOLEAN |
| 2123 | ** |
| 2124 | *******************************************************************************/ |
| 2125 | static BOOLEAN btm_sec_is_upgrade_possible(tBTM_SEC_DEV_REC *p_dev_rec, BOOLEAN is_originator) |
| 2126 | { |
| 2127 | UINT16 mtm_check = is_originator ? BTM_SEC_OUT_MITM : BTM_SEC_IN_MITM; |
| 2128 | BOOLEAN is_possible = TRUE; |
| 2129 | |
| 2130 | if (p_dev_rec->sec_flags & BTM_SEC_LINK_KEY_KNOWN) |
| 2131 | { |
| 2132 | is_possible = FALSE; |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 2133 | if(p_dev_rec->p_cur_service) |
| 2134 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2135 | BTM_TRACE_DEBUG ("btm_sec_is_upgrade_possible id:%d, link_key_typet:%d, rmt_io_caps:%d, chk flags:x%x, flags:x%x", |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 2136 | p_dev_rec->p_cur_service->service_id, p_dev_rec->link_key_type, p_dev_rec->rmt_io_caps, |
| 2137 | mtm_check, p_dev_rec->p_cur_service->security_flags); |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 2138 | } |
| 2139 | else |
| 2140 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2141 | BTM_TRACE_DEBUG ("btm_sec_is_upgrade_possible link_key_typet:%d, rmt_io_caps:%d, chk flags:x%x, ", |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 2142 | p_dev_rec->link_key_type, p_dev_rec->rmt_io_caps, mtm_check); |
| 2143 | } |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 2144 | /* Already have a link key to the connected peer. Is the link key secure enough? |
| 2145 | ** Is a link key upgrade even possible? |
| 2146 | */ |
| 2147 | if ((p_dev_rec->security_required & mtm_check) /* needs MITM */ |
| 2148 | && (p_dev_rec->link_key_type == BTM_LKEY_TYPE_UNAUTH_COMB) /* has unauthenticated link key */ |
| 2149 | && (p_dev_rec->rmt_io_caps < BTM_IO_CAP_MAX) /* a valid peer IO cap */ |
| 2150 | && (btm_sec_io_map[p_dev_rec->rmt_io_caps][btm_cb.devcb.loc_io_caps])) /* authenticated link key is possible */ |
| 2151 | { |
| 2152 | /* upgrade is possible: check if the application wants the upgrade. |
| 2153 | * If the application is configured to use a global MITM flag, |
| 2154 | * it probably would not want to upgrade the link key based on the security level database */ |
| 2155 | is_possible = TRUE; |
| 2156 | } |
| 2157 | } |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2158 | BTM_TRACE_DEBUG ("btm_sec_is_upgrade_possible is_possible:%d sec_flags:0x%x", is_possible, p_dev_rec->sec_flags); |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 2159 | return is_possible; |
| 2160 | } |
| 2161 | |
| 2162 | /******************************************************************************* |
| 2163 | ** |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2164 | ** Function btm_sec_check_upgrade |
| 2165 | ** |
| 2166 | ** Description This function is called to check if the existing link key |
| 2167 | ** needs to be upgraded. |
| 2168 | ** |
| 2169 | ** Returns void |
| 2170 | ** |
| 2171 | *******************************************************************************/ |
| 2172 | static void btm_sec_check_upgrade(tBTM_SEC_DEV_REC *p_dev_rec, BOOLEAN is_originator) |
| 2173 | { |
| 2174 | tBTM_SP_UPGRADE evt_data; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2175 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2176 | BTM_TRACE_DEBUG ("btm_sec_check_upgrade..."); |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 2177 | |
| 2178 | /* Only check if link key already exists */ |
| 2179 | if (!(p_dev_rec->sec_flags & BTM_SEC_LINK_KEY_KNOWN)) |
| 2180 | return; |
| 2181 | if (btm_sec_is_upgrade_possible (p_dev_rec, is_originator) == TRUE) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2182 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2183 | BTM_TRACE_DEBUG ("need upgrade!! sec_flags:0x%x", p_dev_rec->sec_flags); |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 2184 | /* upgrade is possible: check if the application wants the upgrade. |
| 2185 | * If the application is configured to use a global MITM flag, |
| 2186 | * it probably would not want to upgrade the link key based on the security level database */ |
| 2187 | memcpy (evt_data.bd_addr, p_dev_rec->bd_addr, BD_ADDR_LEN); |
| 2188 | evt_data.upgrade = TRUE; |
| 2189 | if (btm_cb.api.p_sp_callback) |
| 2190 | (*btm_cb.api.p_sp_callback) (BTM_SP_UPGRADE_EVT, (tBTM_SP_EVT_DATA *)&evt_data); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2191 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2192 | BTM_TRACE_DEBUG ("evt_data.upgrade:0x%x", evt_data.upgrade); |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 2193 | if (evt_data.upgrade) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2194 | { |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 2195 | /* if the application confirms the upgrade, set the upgrade bit */ |
| 2196 | p_dev_rec->sm4 |= BTM_SM4_UPGRADE; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2197 | |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 2198 | /* Clear the link key known to go through authentication/pairing again */ |
| 2199 | p_dev_rec->sec_flags &= ~(BTM_SEC_LINK_KEY_KNOWN | BTM_SEC_LINK_KEY_AUTHED); |
| 2200 | p_dev_rec->sec_flags &= ~BTM_SEC_AUTHENTICATED; |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2201 | BTM_TRACE_DEBUG ("sec_flags:0x%x", p_dev_rec->sec_flags); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2202 | } |
| 2203 | } |
| 2204 | } |
| 2205 | |
| 2206 | /******************************************************************************* |
| 2207 | ** |
| 2208 | ** Function btm_sec_l2cap_access_req |
| 2209 | ** |
| 2210 | ** Description This function is called by the L2CAP to grant permission to |
| 2211 | ** establish L2CAP connection to or from the peer device. |
| 2212 | ** |
| 2213 | ** Parameters: bd_addr - Address of the peer device |
| 2214 | ** psm - L2CAP PSM |
| 2215 | ** is_originator - TRUE if protocol above L2CAP originates |
| 2216 | ** connection |
| 2217 | ** p_callback - Pointer to callback function called if |
| 2218 | ** this function returns PENDING after required |
| 2219 | ** procedures are complete. MUST NOT BE NULL. |
| 2220 | ** |
| 2221 | ** Returns tBTM_STATUS |
| 2222 | ** |
| 2223 | *******************************************************************************/ |
| 2224 | #define BTM_SEC_OUT_FLAGS (BTM_SEC_OUT_AUTHENTICATE | BTM_SEC_OUT_ENCRYPT | BTM_SEC_OUT_AUTHORIZE) |
| 2225 | #define BTM_SEC_IN_FLAGS (BTM_SEC_IN_AUTHENTICATE | BTM_SEC_IN_ENCRYPT | BTM_SEC_IN_AUTHORIZE) |
| 2226 | |
| 2227 | tBTM_STATUS btm_sec_l2cap_access_req (BD_ADDR bd_addr, UINT16 psm, UINT16 handle, |
| 2228 | CONNECTION_TYPE conn_type, |
| 2229 | tBTM_SEC_CALLBACK *p_callback, |
| 2230 | void *p_ref_data) |
| 2231 | { |
| 2232 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 2233 | tBTM_SEC_SERV_REC *p_serv_rec; |
| 2234 | UINT16 security_required; |
| 2235 | UINT16 old_security_required; |
| 2236 | BOOLEAN old_is_originator; |
| 2237 | tBTM_STATUS rc = BTM_SUCCESS; |
| 2238 | BOOLEAN chk_acp_auth_done = FALSE; |
| 2239 | BOOLEAN is_originator; |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 2240 | BOOLEAN transport = FALSE; /* should check PSM range in LE connection oriented L2CAP connection */ |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2241 | |
| 2242 | #if (L2CAP_UCD_INCLUDED == TRUE) |
| 2243 | if (conn_type & CONNECTION_TYPE_ORIG_MASK) |
| 2244 | is_originator = TRUE; |
| 2245 | else |
| 2246 | is_originator = FALSE; |
| 2247 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2248 | BTM_TRACE_DEBUG ("btm_sec_l2cap_access_req conn_type:0x%x, 0x%x", conn_type, p_ref_data); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2249 | #else |
| 2250 | is_originator = conn_type; |
| 2251 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2252 | BTM_TRACE_DEBUG ("btm_sec_l2cap_access_req is_originator:%d, 0x%x", is_originator, p_ref_data); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2253 | #endif |
| 2254 | |
| 2255 | /* Find or get oldest record */ |
| 2256 | p_dev_rec = btm_find_or_alloc_dev (bd_addr); |
| 2257 | |
| 2258 | p_dev_rec->hci_handle = handle; |
| 2259 | |
| 2260 | /* Find the service record for the PSM */ |
| 2261 | p_serv_rec = btm_sec_find_first_serv (conn_type, psm); |
| 2262 | |
| 2263 | /* If there is no application registered with this PSM do not allow connection */ |
| 2264 | if (!p_serv_rec) |
| 2265 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2266 | BTM_TRACE_WARNING ("btm_sec_l2cap_access_req() PSM:%d no application registerd", psm); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2267 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 2268 | (*p_callback) (bd_addr, transport, p_ref_data, BTM_MODE_UNSUPPORTED); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2269 | |
| 2270 | return(BTM_MODE_UNSUPPORTED); |
| 2271 | } |
| 2272 | |
| 2273 | /* SDP connection we will always let through */ |
| 2274 | if (BT_PSM_SDP == psm) |
| 2275 | { |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 2276 | (*p_callback) (bd_addr,transport, p_ref_data, BTM_SUCCESS_NO_SECURITY); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2277 | |
| 2278 | return(BTM_SUCCESS); |
| 2279 | } |
| 2280 | #if (L2CAP_UCD_INCLUDED == TRUE) |
| 2281 | if ( conn_type & CONNECTION_TYPE_CONNLESS_MASK ) |
| 2282 | { |
| 2283 | security_required = p_serv_rec->ucd_security_flags; |
| 2284 | |
| 2285 | rc = BTM_CMD_STARTED; |
| 2286 | if (is_originator) |
| 2287 | { |
| 2288 | if (((security_required & BTM_SEC_OUT_FLAGS) == 0) || |
| 2289 | ((((security_required & BTM_SEC_OUT_FLAGS) == BTM_SEC_OUT_AUTHENTICATE) && (p_dev_rec->sec_flags & BTM_SEC_AUTHENTICATED))) || |
| 2290 | ((((security_required & BTM_SEC_OUT_FLAGS) == (BTM_SEC_OUT_AUTHENTICATE | BTM_SEC_OUT_ENCRYPT)) && (p_dev_rec->sec_flags & BTM_SEC_ENCRYPTED))) || |
| 2291 | ((((security_required & BTM_SEC_OUT_FLAGS) == BTM_SEC_OUT_FLAGS) && (p_dev_rec->sec_flags & BTM_SEC_AUTHORIZED))) ) |
| 2292 | { |
| 2293 | rc = BTM_SUCCESS; |
| 2294 | } |
| 2295 | } |
| 2296 | else |
| 2297 | { |
| 2298 | if (((security_required & BTM_SEC_IN_FLAGS) == 0) || |
| 2299 | ((((security_required & BTM_SEC_IN_FLAGS) == BTM_SEC_IN_AUTHENTICATE) && (p_dev_rec->sec_flags & BTM_SEC_AUTHENTICATED))) || |
| 2300 | ((((security_required & BTM_SEC_IN_FLAGS) == (BTM_SEC_IN_AUTHENTICATE | BTM_SEC_IN_ENCRYPT)) && (p_dev_rec->sec_flags & BTM_SEC_ENCRYPTED))) || |
| 2301 | ((((security_required & BTM_SEC_IN_FLAGS) == BTM_SEC_IN_FLAGS) && (p_dev_rec->sec_flags & BTM_SEC_AUTHORIZED))) ) |
| 2302 | { |
| 2303 | rc = BTM_SUCCESS; |
| 2304 | } |
| 2305 | } |
| 2306 | |
| 2307 | if (rc == BTM_SUCCESS) |
| 2308 | { |
| 2309 | if (p_callback) |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 2310 | (*p_callback) (bd_addr, transport, (void *)p_ref_data, BTM_SUCCESS); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2311 | |
| 2312 | return(BTM_SUCCESS); |
| 2313 | } |
| 2314 | } |
| 2315 | else |
| 2316 | #endif |
| 2317 | { |
| 2318 | security_required = p_serv_rec->security_flags; |
| 2319 | } |
| 2320 | |
| 2321 | /* there are some devices (moto KRZR) which connects to several services at the same time */ |
| 2322 | /* we will process one after another */ |
| 2323 | if ( (p_dev_rec->p_callback) || (btm_cb.pairing_state != BTM_PAIR_STATE_IDLE) ) |
| 2324 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2325 | BTM_TRACE_EVENT ("btm_sec_l2cap_access_req() - busy - PSM:%d delayed state: %s mode:%d, sm4:0x%x", |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 2326 | psm, btm_pair_state_descr(btm_cb.pairing_state), btm_cb.security_mode, p_dev_rec->sm4); |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2327 | BTM_TRACE_EVENT ("security_flags:x%x, sec_flags:x%x", security_required, p_dev_rec->sec_flags); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2328 | rc = BTM_CMD_STARTED; |
| 2329 | if ((BTM_SEC_MODE_SP != btm_cb.security_mode) |
| 2330 | || ((BTM_SEC_MODE_SP == btm_cb.security_mode) && (BTM_SM4_KNOWN == p_dev_rec->sm4)) |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 2331 | || (BTM_SEC_IS_SM4(p_dev_rec->sm4) && (btm_sec_is_upgrade_possible(p_dev_rec, is_originator) == FALSE)) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2332 | ) |
| 2333 | { |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 2334 | /* legacy mode - local is legacy or local is lisbon/peer is legacy |
| 2335 | * or SM4 with no possibility of link key upgrade */ |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2336 | if (is_originator) |
| 2337 | { |
| 2338 | if (((security_required & BTM_SEC_OUT_FLAGS) == 0) || |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 2339 | ((((security_required & BTM_SEC_OUT_FLAGS) == BTM_SEC_OUT_AUTHENTICATE) && btm_dev_authenticated(p_dev_rec))) || |
| 2340 | ((((security_required & BTM_SEC_OUT_FLAGS) == (BTM_SEC_OUT_AUTHENTICATE | BTM_SEC_OUT_ENCRYPT)) && btm_dev_encrypted(p_dev_rec))) || |
| 2341 | ((((security_required & BTM_SEC_OUT_FLAGS) == BTM_SEC_OUT_FLAGS) && btm_dev_authorized(p_dev_rec) && btm_dev_encrypted(p_dev_rec))) ) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2342 | { |
| 2343 | rc = BTM_SUCCESS; |
| 2344 | } |
| 2345 | } |
| 2346 | else |
| 2347 | { |
| 2348 | if (((security_required & BTM_SEC_IN_FLAGS) == 0) || |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 2349 | (((security_required & BTM_SEC_IN_FLAGS) == BTM_SEC_IN_AUTHENTICATE) && btm_dev_authenticated(p_dev_rec)) || |
| 2350 | (((security_required & BTM_SEC_IN_FLAGS) == (BTM_SEC_IN_AUTHENTICATE | BTM_SEC_IN_ENCRYPT)) && btm_dev_encrypted(p_dev_rec)) || |
| 2351 | (((security_required & BTM_SEC_IN_FLAGS) == BTM_SEC_IN_AUTHORIZE) && (btm_dev_authorized(p_dev_rec)||btm_serv_trusted(p_dev_rec, p_serv_rec))) || |
| 2352 | (((security_required & BTM_SEC_IN_FLAGS) == (BTM_SEC_IN_AUTHENTICATE | BTM_SEC_IN_AUTHORIZE)) && ((btm_dev_authorized(p_dev_rec)||btm_serv_trusted(p_dev_rec, p_serv_rec)) && btm_dev_authenticated(p_dev_rec))) || |
| 2353 | (((security_required & BTM_SEC_IN_FLAGS) == (BTM_SEC_IN_ENCRYPT | BTM_SEC_IN_AUTHORIZE)) && ((btm_dev_authorized(p_dev_rec)||btm_serv_trusted(p_dev_rec, p_serv_rec)) && btm_dev_encrypted(p_dev_rec))) || |
| 2354 | (((security_required & BTM_SEC_IN_FLAGS) == BTM_SEC_IN_FLAGS) && btm_dev_encrypted(p_dev_rec) && (btm_dev_authorized(p_dev_rec)||btm_serv_trusted(p_dev_rec, p_serv_rec)))) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2355 | { |
| 2356 | rc = BTM_SUCCESS; |
| 2357 | } |
| 2358 | } |
| 2359 | |
| 2360 | if (rc == BTM_SUCCESS) |
| 2361 | { |
| 2362 | if (p_callback) |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 2363 | (*p_callback) (bd_addr, transport, (void *)p_ref_data, BTM_SUCCESS); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2364 | |
| 2365 | return(BTM_SUCCESS); |
| 2366 | } |
| 2367 | } |
| 2368 | |
| 2369 | btm_cb.sec_req_pending = TRUE; |
| 2370 | return(BTM_CMD_STARTED); |
| 2371 | } |
| 2372 | |
| 2373 | /* Save pointer to service record */ |
| 2374 | p_dev_rec->p_cur_service = p_serv_rec; |
| 2375 | |
| 2376 | |
| 2377 | /* mess /w security_required in btm_sec_l2cap_access_req for Lisbon */ |
| 2378 | if (btm_cb.security_mode == BTM_SEC_MODE_SP) |
| 2379 | { |
| 2380 | if (is_originator) |
| 2381 | { |
| 2382 | if (BTM_SEC_IS_SM4(p_dev_rec->sm4)) |
| 2383 | { |
| 2384 | /* SM4 to SM4 -> always authenticate & encrypt */ |
| 2385 | security_required |= (BTM_SEC_OUT_AUTHENTICATE | BTM_SEC_OUT_ENCRYPT); |
| 2386 | } |
| 2387 | else |
| 2388 | { |
| 2389 | if ( !(BTM_SM4_KNOWN & p_dev_rec->sm4)) |
| 2390 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2391 | BTM_TRACE_DEBUG ("remote features unknown!!sec_flags:0x%x", p_dev_rec->sec_flags); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2392 | /* the remote features are not known yet */ |
| 2393 | p_dev_rec->sm4 |= BTM_SM4_REQ_PEND; |
| 2394 | |
| 2395 | return(BTM_CMD_STARTED); |
| 2396 | } |
| 2397 | } |
| 2398 | } |
| 2399 | else |
| 2400 | { |
| 2401 | /* responder */ |
| 2402 | if (BTM_SEC_IS_SM4(p_dev_rec->sm4)) |
| 2403 | { |
| 2404 | /* SM4 to SM4: the acceptor needs to make sure the authentication is already done */ |
| 2405 | chk_acp_auth_done = TRUE; |
| 2406 | /* SM4 to SM4 -> always authenticate & encrypt */ |
| 2407 | security_required |= (BTM_SEC_IN_AUTHENTICATE | BTM_SEC_IN_ENCRYPT); |
| 2408 | } |
| 2409 | else |
| 2410 | { |
| 2411 | if ( !(BTM_SM4_KNOWN & p_dev_rec->sm4)) |
| 2412 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2413 | BTM_TRACE_DEBUG ("(rsp) remote features unknown!!sec_flags:0x%x", p_dev_rec->sec_flags); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2414 | /* the remote features are not known yet */ |
| 2415 | p_dev_rec->sm4 |= BTM_SM4_REQ_PEND; |
| 2416 | |
| 2417 | return(BTM_CMD_STARTED); |
| 2418 | } |
| 2419 | } |
| 2420 | } |
| 2421 | } |
| 2422 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2423 | BTM_TRACE_DEBUG ("btm_sec_l2cap_access_req() sm4:0x%x, sec_flags:0x%x, security_required:0x%x chk:%d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2424 | p_dev_rec->sm4, p_dev_rec->sec_flags, security_required, chk_acp_auth_done); |
| 2425 | |
| 2426 | old_security_required = p_dev_rec->security_required; |
| 2427 | old_is_originator = p_dev_rec->is_originator; |
| 2428 | p_dev_rec->security_required = security_required; |
| 2429 | p_dev_rec->p_ref_data = p_ref_data; |
| 2430 | p_dev_rec->is_originator = is_originator; |
| 2431 | |
| 2432 | #if (L2CAP_UCD_INCLUDED == TRUE) |
| 2433 | if ( conn_type & CONNECTION_TYPE_CONNLESS_MASK ) |
| 2434 | p_dev_rec->is_ucd = TRUE; |
| 2435 | else |
| 2436 | p_dev_rec->is_ucd = FALSE; |
| 2437 | #endif |
| 2438 | |
| 2439 | /* If there are multiple service records used through the same PSM */ |
| 2440 | /* leave security decision for the multiplexor on the top */ |
| 2441 | #if (L2CAP_UCD_INCLUDED == TRUE) |
| 2442 | if (((btm_sec_find_next_serv (p_serv_rec)) != NULL) |
| 2443 | &&(!( conn_type & CONNECTION_TYPE_CONNLESS_MASK ))) /* if not UCD */ |
| 2444 | #else |
| 2445 | if ((btm_sec_find_next_serv (p_serv_rec)) != NULL) |
| 2446 | #endif |
| 2447 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2448 | BTM_TRACE_DEBUG ("no next_serv sm4:0x%x, chk:%d", p_dev_rec->sm4, chk_acp_auth_done); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2449 | if (!BTM_SEC_IS_SM4(p_dev_rec->sm4)) |
| 2450 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2451 | BTM_TRACE_EVENT ("Security Manager: l2cap_access_req PSM:%d postponed for multiplexer", psm); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2452 | /* pre-Lisbon: restore the old settings */ |
| 2453 | p_dev_rec->security_required = old_security_required; |
| 2454 | p_dev_rec->is_originator = old_is_originator; |
| 2455 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 2456 | (*p_callback) (bd_addr, transport, p_ref_data, BTM_SUCCESS); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2457 | |
| 2458 | return(BTM_SUCCESS); |
| 2459 | } |
| 2460 | } |
| 2461 | |
| 2462 | /* if the originator is using dynamic PSM in legacy mode, do not start any security process now. |
| 2463 | * The layer above L2CAP needs to carry out the security requirement after L2CAP connect response is received*/ |
| 2464 | if (is_originator && (btm_cb.security_mode != BTM_SEC_MODE_SP || !BTM_SEC_IS_SM4(p_dev_rec->sm4)) && (psm >= 0x1001)) |
| 2465 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2466 | BTM_TRACE_EVENT ("dynamic PSM:0x%x in legacy mode - postponed for upper layer", psm); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2467 | /* restore the old settings */ |
| 2468 | p_dev_rec->security_required = old_security_required; |
| 2469 | p_dev_rec->is_originator = old_is_originator; |
| 2470 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 2471 | (*p_callback) (bd_addr, transport, p_ref_data, BTM_SUCCESS); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2472 | |
| 2473 | return(BTM_SUCCESS); |
| 2474 | } |
| 2475 | |
| 2476 | if (chk_acp_auth_done) |
| 2477 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2478 | BTM_TRACE_DEBUG ("(SM4 to SM4) btm_sec_l2cap_access_req rspd. authenticated: x%x, enc: x%x", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2479 | (p_dev_rec->sec_flags & BTM_SEC_AUTHENTICATED), (p_dev_rec->sec_flags & BTM_SEC_ENCRYPTED)); |
| 2480 | /* SM4, but we do not know for sure which level of security we need. |
| 2481 | * as long as we have a link key, it's OK */ |
| 2482 | if ((0 == (p_dev_rec->sec_flags & BTM_SEC_AUTHENTICATED)) |
| 2483 | ||(0 == (p_dev_rec->sec_flags & BTM_SEC_ENCRYPTED))) |
| 2484 | { |
| 2485 | rc = BTM_DELAY_CHECK; |
| 2486 | /* |
| 2487 | 2046 may report HCI_Encryption_Change and L2C Connection Request out of sequence |
| 2488 | because of data path issues. Delay this disconnect a little bit |
| 2489 | */ |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2490 | BTM_TRACE_ERROR ("peer should have initiated security process by now (SM4 to SM4)"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2491 | p_dev_rec->p_callback = p_callback; |
| 2492 | p_dev_rec->sec_state = BTM_SEC_STATE_DELAY_FOR_ENC; |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 2493 | (*p_callback) (bd_addr, transport, p_ref_data, rc); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2494 | |
Hemant Gupta | 5aec486 | 2013-12-19 20:37:16 +0530 | [diff] [blame] | 2495 | return(BTM_CMD_STARTED); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2496 | } |
| 2497 | } |
| 2498 | |
| 2499 | p_dev_rec->p_callback = p_callback; |
| 2500 | |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 2501 | if (p_dev_rec->last_author_service_id == BTM_SEC_NO_LAST_SERVICE_ID |
| 2502 | || p_dev_rec->last_author_service_id != p_dev_rec->p_cur_service->service_id) |
| 2503 | { |
| 2504 | /* Although authentication and encryption are per connection |
| 2505 | ** authorization is per access request. For example when serial connection |
| 2506 | ** is up and authorized and client requests to read file (access to other |
| 2507 | ** scn), we need to request user's permission again. |
| 2508 | */ |
| 2509 | p_dev_rec->sec_flags &= ~BTM_SEC_AUTHORIZED; |
| 2510 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2511 | |
| 2512 | if (BTM_SEC_IS_SM4(p_dev_rec->sm4)) |
| 2513 | { |
| 2514 | /* If we already have a link key to the connected peer, is the link key secure enough ? */ |
| 2515 | btm_sec_check_upgrade(p_dev_rec, is_originator); |
| 2516 | } |
| 2517 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2518 | BTM_TRACE_EVENT ("Security Manager: l2cap_access_req PSM:%d Handle:%d State:%d Flags:0x%x Required:0x%x Service ID:%d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2519 | psm, handle, p_dev_rec->sec_state, p_dev_rec->sec_flags, p_dev_rec->security_required, p_dev_rec->p_cur_service->service_id); |
| 2520 | |
| 2521 | if ((rc = btm_sec_execute_procedure (p_dev_rec)) != BTM_CMD_STARTED) |
| 2522 | { |
| 2523 | p_dev_rec->p_callback = NULL; |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 2524 | (*p_callback) (bd_addr, transport, p_dev_rec->p_ref_data, (UINT8)rc); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2525 | } |
| 2526 | |
| 2527 | return(rc); |
| 2528 | } |
| 2529 | |
| 2530 | /******************************************************************************* |
| 2531 | ** |
| 2532 | ** Function btm_sec_mx_access_request |
| 2533 | ** |
| 2534 | ** Description This function is called by all Multiplexing Protocols during |
| 2535 | ** establishing connection to or from peer device to grant |
| 2536 | ** permission to establish application connection. |
| 2537 | ** |
| 2538 | ** Parameters: bd_addr - Address of the peer device |
| 2539 | ** psm - L2CAP PSM |
| 2540 | ** is_originator - TRUE if protocol above L2CAP originates |
| 2541 | ** connection |
| 2542 | ** mx_proto_id - protocol ID of the multiplexer |
| 2543 | ** mx_chan_id - multiplexer channel to reach application |
| 2544 | ** p_callback - Pointer to callback function called if |
| 2545 | ** this function returns PENDING after required |
| 2546 | ** procedures are completed |
| 2547 | ** p_ref_data - Pointer to any reference data needed by the |
| 2548 | ** the callback function. |
| 2549 | ** |
| 2550 | ** Returns BTM_CMD_STARTED |
| 2551 | ** |
| 2552 | *******************************************************************************/ |
| 2553 | tBTM_STATUS btm_sec_mx_access_request (BD_ADDR bd_addr, UINT16 psm, BOOLEAN is_originator, |
| 2554 | UINT32 mx_proto_id, UINT32 mx_chan_id, |
| 2555 | tBTM_SEC_CALLBACK *p_callback, void *p_ref_data) |
| 2556 | |
| 2557 | { |
| 2558 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 2559 | tBTM_SEC_SERV_REC *p_serv_rec; |
| 2560 | tBTM_STATUS rc; |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 2561 | UINT16 security_required; |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 2562 | BOOLEAN transport = FALSE;/* should check PSM range in LE connection oriented L2CAP connection */ |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2563 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2564 | BTM_TRACE_DEBUG ("btm_sec_mx_access_request is_originator:%d", is_originator); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2565 | /* Find or get oldest record */ |
| 2566 | p_dev_rec = btm_find_or_alloc_dev (bd_addr); |
| 2567 | |
| 2568 | /* Find the service record for the PSM */ |
| 2569 | p_serv_rec = btm_sec_find_mx_serv (is_originator, psm, mx_proto_id, mx_chan_id); |
| 2570 | |
| 2571 | /* If there is no application registered with this PSM do not allow connection */ |
| 2572 | if (!p_serv_rec) |
| 2573 | { |
| 2574 | if (p_callback) |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 2575 | (*p_callback) (bd_addr, transport, p_ref_data, BTM_MODE_UNSUPPORTED); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2576 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2577 | BTM_TRACE_ERROR ("Security Manager: MX service not found PSM:%d Proto:%d SCN:%d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2578 | psm, mx_proto_id, mx_chan_id); |
| 2579 | return BTM_NO_RESOURCES; |
| 2580 | } |
| 2581 | |
| 2582 | /* there are some devices (moto phone) which connects to several services at the same time */ |
| 2583 | /* we will process one after another */ |
| 2584 | if ( (p_dev_rec->p_callback) || (btm_cb.pairing_state != BTM_PAIR_STATE_IDLE) ) |
| 2585 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2586 | BTM_TRACE_EVENT ("btm_sec_mx_access_request service PSM:%d Proto:%d SCN:%d delayed state: %s", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2587 | psm, mx_proto_id, mx_chan_id, btm_pair_state_descr(btm_cb.pairing_state)); |
| 2588 | |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 2589 | rc = BTM_CMD_STARTED; |
| 2590 | security_required = p_serv_rec->security_flags; |
| 2591 | if ((BTM_SEC_MODE_SP != btm_cb.security_mode) |
| 2592 | || ((BTM_SEC_MODE_SP == btm_cb.security_mode) && (BTM_SM4_KNOWN == p_dev_rec->sm4)) |
| 2593 | || (BTM_SEC_IS_SM4(p_dev_rec->sm4) && (btm_sec_is_upgrade_possible(p_dev_rec, is_originator) == FALSE)) |
| 2594 | ) |
| 2595 | { |
| 2596 | /* legacy mode - local is legacy or local is lisbon/peer is legacy |
| 2597 | * or SM4 with no possibility of link key upgrade */ |
| 2598 | if (is_originator) |
| 2599 | { |
| 2600 | if (((security_required & BTM_SEC_OUT_FLAGS) == 0) || |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 2601 | ((((security_required & BTM_SEC_OUT_FLAGS) == BTM_SEC_OUT_AUTHENTICATE) && btm_dev_authenticated(p_dev_rec))) || |
| 2602 | ((((security_required & BTM_SEC_OUT_FLAGS) == (BTM_SEC_OUT_AUTHENTICATE | BTM_SEC_OUT_ENCRYPT)) && btm_dev_encrypted(p_dev_rec))) |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 2603 | ) |
| 2604 | { |
| 2605 | rc = BTM_SUCCESS; |
| 2606 | } |
| 2607 | } |
| 2608 | else |
| 2609 | { |
| 2610 | if (((security_required & BTM_SEC_IN_FLAGS) == 0) || |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 2611 | ((((security_required & BTM_SEC_IN_FLAGS) == BTM_SEC_IN_AUTHENTICATE) && btm_dev_authenticated(p_dev_rec))) || |
| 2612 | (((security_required & BTM_SEC_IN_FLAGS) == BTM_SEC_IN_AUTHORIZE) && (btm_dev_authorized(p_dev_rec)||btm_serv_trusted(p_dev_rec, p_serv_rec))) || |
| 2613 | (((security_required & BTM_SEC_IN_FLAGS) == (BTM_SEC_IN_AUTHORIZE | BTM_SEC_IN_AUTHENTICATE)) && ((btm_dev_authorized(p_dev_rec)||btm_serv_trusted(p_dev_rec, p_serv_rec)) && btm_dev_authenticated(p_dev_rec))) || |
| 2614 | (((security_required & BTM_SEC_IN_FLAGS) == (BTM_SEC_IN_AUTHORIZE | BTM_SEC_IN_ENCRYPT)) && ((btm_dev_authorized(p_dev_rec)||btm_serv_trusted(p_dev_rec, p_serv_rec))&& btm_dev_encrypted(p_dev_rec))) || |
| 2615 | ((((security_required & BTM_SEC_IN_FLAGS) == (BTM_SEC_IN_AUTHENTICATE | BTM_SEC_IN_ENCRYPT)) && btm_dev_encrypted(p_dev_rec))) |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 2616 | ) |
| 2617 | { |
| 2618 | rc = BTM_SUCCESS; |
| 2619 | } |
| 2620 | } |
| 2621 | } |
| 2622 | if (rc == BTM_CMD_STARTED) |
| 2623 | { |
| 2624 | btm_sec_queue_mx_request (bd_addr, psm, is_originator, mx_proto_id, mx_chan_id, p_callback, p_ref_data); |
| 2625 | return rc; |
| 2626 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2627 | } |
| 2628 | |
| 2629 | p_dev_rec->p_cur_service = p_serv_rec; |
| 2630 | p_dev_rec->security_required = p_serv_rec->security_flags; |
| 2631 | |
| 2632 | if (BTM_SEC_MODE_SP == btm_cb.security_mode) |
| 2633 | { |
| 2634 | if (BTM_SEC_IS_SM4(p_dev_rec->sm4)) |
| 2635 | { |
| 2636 | /* If we already have a link key, check if that link key is good enough */ |
| 2637 | btm_sec_check_upgrade(p_dev_rec, is_originator); |
| 2638 | } |
| 2639 | } |
| 2640 | |
| 2641 | p_dev_rec->is_originator = is_originator; |
| 2642 | p_dev_rec->p_callback = p_callback; |
| 2643 | p_dev_rec->p_ref_data = p_ref_data; |
| 2644 | |
| 2645 | /* Although authentication and encryption are per connection */ |
| 2646 | /* authorization is per access request. For example when serial connection */ |
| 2647 | /* is up and authorized and client requests to read file (access to other */ |
| 2648 | /* scn, we need to request user's permission again. */ |
| 2649 | p_dev_rec->sec_flags &= ~(BTM_SEC_AUTHORIZED); |
| 2650 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2651 | BTM_TRACE_EVENT ("Security Manager: mx_access_req proto_id:%d chan_id:%d State:%d Flags:0x%x Required:0x%x Service ID:%d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2652 | mx_proto_id, mx_chan_id, p_dev_rec->sec_state, p_dev_rec->sec_flags, p_dev_rec->security_required, p_dev_rec->p_cur_service->service_id); |
| 2653 | |
| 2654 | if ((rc = btm_sec_execute_procedure (p_dev_rec)) != BTM_CMD_STARTED) |
| 2655 | { |
| 2656 | if (p_callback) |
| 2657 | { |
| 2658 | p_dev_rec->p_callback = NULL; |
| 2659 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 2660 | (*p_callback) (bd_addr,transport, p_ref_data, (UINT8)rc); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2661 | } |
| 2662 | } |
| 2663 | |
| 2664 | return rc; |
| 2665 | } |
| 2666 | |
| 2667 | /******************************************************************************* |
| 2668 | ** |
| 2669 | ** Function btm_sec_conn_req |
| 2670 | ** |
| 2671 | ** Description This function is when the peer device is requesting |
| 2672 | ** connection |
| 2673 | ** |
| 2674 | ** Returns void |
| 2675 | ** |
| 2676 | *******************************************************************************/ |
| 2677 | void btm_sec_conn_req (UINT8 *bda, UINT8 *dc) |
| 2678 | { |
| 2679 | tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev (bda); |
| 2680 | |
| 2681 | /* Some device may request a connection before we are done with the HCI_Reset sequence */ |
| 2682 | if (btm_cb.devcb.state != BTM_DEV_STATE_READY) |
| 2683 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2684 | BTM_TRACE_EVENT ("Security Manager: connect request when device not ready"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2685 | btsnd_hcic_reject_conn (bda, HCI_ERR_HOST_REJECT_DEVICE); |
| 2686 | return; |
| 2687 | } |
| 2688 | |
| 2689 | /* Security guys wants us not to allow connection from not paired devices */ |
| 2690 | |
| 2691 | /* Check if connection is allowed for only paired devices */ |
| 2692 | if (btm_cb.connect_only_paired) |
| 2693 | { |
| 2694 | if (!p_dev_rec || !(p_dev_rec->sec_flags & BTM_SEC_LINK_KEY_AUTHED)) |
| 2695 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2696 | BTM_TRACE_EVENT ("Security Manager: connect request from non-paired device"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2697 | btsnd_hcic_reject_conn (bda, HCI_ERR_HOST_REJECT_DEVICE); |
| 2698 | return; |
| 2699 | } |
| 2700 | } |
| 2701 | |
| 2702 | #if BTM_ALLOW_CONN_IF_NONDISCOVER == FALSE |
| 2703 | /* If non-discoverable, only allow known devices to connect */ |
| 2704 | if (btm_cb.btm_inq_vars.discoverable_mode == BTM_NON_DISCOVERABLE) |
| 2705 | { |
| 2706 | if (!p_dev_rec) |
| 2707 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2708 | BTM_TRACE_EVENT ("Security Manager: connect request from not paired device"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2709 | btsnd_hcic_reject_conn (bda, HCI_ERR_HOST_REJECT_DEVICE); |
| 2710 | return; |
| 2711 | } |
| 2712 | } |
| 2713 | #endif |
| 2714 | |
| 2715 | /* Host can be registered to verify comming BDA or DC */ |
| 2716 | if (btm_cb.p_conn_filter_cb) |
| 2717 | { |
| 2718 | if (!(* btm_cb.p_conn_filter_cb) (bda, dc)) |
| 2719 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2720 | BTM_TRACE_EVENT ("Security Manager: connect request did not pass filter"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2721 | |
| 2722 | /* incomming call did not pass connection filters. Reject */ |
| 2723 | btsnd_hcic_reject_conn (bda, HCI_ERR_HOST_REJECT_DEVICE); |
| 2724 | return; |
| 2725 | } |
| 2726 | } |
| 2727 | |
| 2728 | if ((btm_cb.pairing_state != BTM_PAIR_STATE_IDLE) |
| 2729 | &&(btm_cb.pairing_flags & BTM_PAIR_FLAGS_WE_STARTED_DD) |
| 2730 | &&(!memcmp (btm_cb.pairing_bda, bda, BD_ADDR_LEN))) |
| 2731 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2732 | BTM_TRACE_EVENT ("Security Manager: reject connect request from bonding device"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2733 | |
| 2734 | /* incoming connection from bonding device is rejected */ |
| 2735 | btm_cb.pairing_flags |= BTM_PAIR_FLAGS_REJECTED_CONNECT; |
| 2736 | btsnd_hcic_reject_conn (bda, HCI_ERR_HOST_REJECT_DEVICE); |
| 2737 | return; |
| 2738 | } |
| 2739 | |
| 2740 | /* Host is not interested or approved connection. Save BDA and DC and */ |
| 2741 | /* pass request to L2CAP */ |
| 2742 | memcpy (btm_cb.connecting_bda, bda, BD_ADDR_LEN); |
| 2743 | memcpy (btm_cb.connecting_dc, dc, DEV_CLASS_LEN); |
| 2744 | |
| 2745 | if (l2c_link_hci_conn_req (bda)) |
| 2746 | { |
| 2747 | if (!p_dev_rec) |
| 2748 | { |
| 2749 | /* accept the connection -> allocate a device record */ |
| 2750 | p_dev_rec = btm_sec_alloc_dev (bda); |
| 2751 | } |
| 2752 | if (p_dev_rec) |
| 2753 | { |
| 2754 | p_dev_rec->sm4 |= BTM_SM4_CONN_PEND; |
| 2755 | } |
| 2756 | } |
| 2757 | } |
| 2758 | |
| 2759 | /******************************************************************************* |
| 2760 | ** |
| 2761 | ** Function btm_sec_bond_cancel_complete |
| 2762 | ** |
| 2763 | ** Description This function is called to report bond cancel complete |
| 2764 | ** event. |
| 2765 | ** |
| 2766 | ** Returns void |
| 2767 | ** |
| 2768 | *******************************************************************************/ |
| 2769 | static void btm_sec_bond_cancel_complete (void) |
| 2770 | { |
| 2771 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 2772 | |
| 2773 | if ((btm_cb.pairing_flags & BTM_PAIR_FLAGS_DISC_WHEN_DONE) || |
| 2774 | (BTM_PAIR_STATE_WAIT_LOCAL_PIN == btm_cb.pairing_state && |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 2775 | BTM_PAIR_FLAGS_WE_STARTED_DD & btm_cb.pairing_flags) || |
| 2776 | (btm_cb.pairing_state == BTM_PAIR_STATE_GET_REM_NAME && |
| 2777 | BTM_PAIR_FLAGS_WE_CANCEL_DD & btm_cb.pairing_flags)) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2778 | { |
| 2779 | /* for dedicated bonding in legacy mode, authentication happens at "link level" |
| 2780 | * btm_sec_connected is called with failed status. |
| 2781 | * In theory, the code that handles is_pairing_device/TRUE should clean out security related code. |
| 2782 | * However, this function may clean out the security related flags and btm_sec_connected would not know |
| 2783 | * this function also needs to do proper clean up. |
| 2784 | */ |
| 2785 | if ((p_dev_rec = btm_find_dev (btm_cb.pairing_bda)) != NULL) |
| 2786 | p_dev_rec->security_required = BTM_SEC_NONE; |
| 2787 | btm_sec_change_pairing_state (BTM_PAIR_STATE_IDLE); |
| 2788 | |
| 2789 | /* Notify application that the cancel succeeded */ |
| 2790 | if (btm_cb.api.p_bond_cancel_cmpl_callback) |
| 2791 | btm_cb.api.p_bond_cancel_cmpl_callback(BTM_SUCCESS); |
| 2792 | } |
| 2793 | } |
| 2794 | |
| 2795 | /******************************************************************************* |
| 2796 | ** |
| 2797 | ** Function btm_create_conn_cancel_complete |
| 2798 | ** |
| 2799 | ** Description This function is called when the command complete message |
| 2800 | ** is received from the HCI for the create connection cancel |
| 2801 | ** command. |
| 2802 | ** |
| 2803 | ** Returns void |
| 2804 | ** |
| 2805 | *******************************************************************************/ |
| 2806 | void btm_create_conn_cancel_complete (UINT8 *p) |
| 2807 | { |
| 2808 | UINT8 status; |
| 2809 | |
| 2810 | STREAM_TO_UINT8 (status, p); |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2811 | BTM_TRACE_EVENT ("btm_create_conn_cancel_complete(): in State: %s status:%d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2812 | btm_pair_state_descr(btm_cb.pairing_state), status); |
| 2813 | |
| 2814 | /* if the create conn cancel cmd was issued by the bond cancel, |
| 2815 | ** the application needs to be notified that bond cancel succeeded |
| 2816 | */ |
| 2817 | switch (status) |
| 2818 | { |
| 2819 | case HCI_SUCCESS: |
| 2820 | btm_sec_bond_cancel_complete(); |
| 2821 | break; |
| 2822 | case HCI_ERR_CONNECTION_EXISTS: |
| 2823 | case HCI_ERR_NO_CONNECTION: |
| 2824 | default: |
| 2825 | /* Notify application of the error */ |
| 2826 | if (btm_cb.api.p_bond_cancel_cmpl_callback) |
| 2827 | btm_cb.api.p_bond_cancel_cmpl_callback(BTM_ERR_PROCESSING); |
| 2828 | break; |
| 2829 | } |
| 2830 | } |
| 2831 | |
| 2832 | /******************************************************************************* |
| 2833 | ** |
| 2834 | ** Function btm_sec_check_pending_reqs |
| 2835 | ** |
| 2836 | ** Description This function is called at the end of the security procedure |
| 2837 | ** to let L2CAP and RFCOMM know to re-submit any pending requests |
| 2838 | ** |
| 2839 | ** Returns void |
| 2840 | ** |
| 2841 | *******************************************************************************/ |
| 2842 | void btm_sec_check_pending_reqs (void) |
| 2843 | { |
| 2844 | tBTM_SEC_QUEUE_ENTRY *p_e; |
| 2845 | BUFFER_Q bq; |
| 2846 | |
| 2847 | if (btm_cb.pairing_state == BTM_PAIR_STATE_IDLE) |
| 2848 | { |
| 2849 | /* First, resubmit L2CAP requests */ |
| 2850 | if (btm_cb.sec_req_pending) |
| 2851 | { |
| 2852 | btm_cb.sec_req_pending = FALSE; |
| 2853 | l2cu_resubmit_pending_sec_req (NULL); |
| 2854 | } |
| 2855 | |
| 2856 | /* Now, re-submit anything in the mux queue */ |
| 2857 | bq = btm_cb.sec_pending_q; |
| 2858 | |
| 2859 | GKI_init_q (&btm_cb.sec_pending_q); |
| 2860 | |
| 2861 | while ((p_e = (tBTM_SEC_QUEUE_ENTRY *)GKI_dequeue (&bq)) != NULL) |
| 2862 | { |
| 2863 | /* Check that the ACL is still up before starting security procedures */ |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 2864 | if (btm_bda_to_acl(p_e->bd_addr, BT_TRANSPORT_BR_EDR) != NULL) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2865 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2866 | BTM_TRACE_EVENT ("btm_sec_check_pending_reqs() submitting PSM: 0x%04x Is_Orig: %u mx_proto_id: %u mx_chan_id: %u", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2867 | p_e->psm, p_e->is_orig, p_e->mx_proto_id, p_e->mx_chan_id); |
| 2868 | |
| 2869 | btm_sec_mx_access_request (p_e->bd_addr, p_e->psm, p_e->is_orig, |
| 2870 | p_e->mx_proto_id, p_e->mx_chan_id, |
| 2871 | p_e->p_callback, p_e->p_ref_data); |
| 2872 | } |
| 2873 | |
| 2874 | GKI_freebuf (p_e); |
| 2875 | } |
| 2876 | } |
| 2877 | } |
| 2878 | |
| 2879 | /******************************************************************************* |
| 2880 | ** |
| 2881 | ** Function btm_sec_init |
| 2882 | ** |
| 2883 | ** Description This function is on the SEC startup |
| 2884 | ** |
| 2885 | ** Returns void |
| 2886 | ** |
| 2887 | *******************************************************************************/ |
| 2888 | void btm_sec_init (UINT8 sec_mode) |
| 2889 | { |
| 2890 | #if 0 /* cleared in btm_init; put back in if calling from anywhere else! */ |
| 2891 | int i; |
| 2892 | |
| 2893 | memset (btm_cb.sec_serv_rec, 0, sizeof (btm_cb.sec_serv_rec)); |
| 2894 | memset (btm_cb.sec_dev_rec, 0, sizeof (btm_cb.sec_dev_rec)); |
| 2895 | memset (&btm_cb.pairing_tle, 0, sizeof(TIMER_LIST_ENT)); |
| 2896 | |
| 2897 | #endif |
| 2898 | btm_cb.security_mode = sec_mode; |
| 2899 | memset (btm_cb.pairing_bda, 0xff, BD_ADDR_LEN); |
| 2900 | btm_cb.max_collision_delay = BTM_SEC_MAX_COLLISION_DELAY; |
| 2901 | } |
| 2902 | |
| 2903 | /******************************************************************************* |
| 2904 | ** |
| 2905 | ** Function btm_sec_device_down |
| 2906 | ** |
| 2907 | ** Description This function should be called when device is disabled or |
| 2908 | ** turned off |
| 2909 | ** |
| 2910 | ** Returns void |
| 2911 | ** |
| 2912 | *******************************************************************************/ |
| 2913 | void btm_sec_device_down (void) |
| 2914 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2915 | BTM_TRACE_EVENT ("btm_sec_device_down() State: %s", btm_pair_state_descr(btm_cb.pairing_state)); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2916 | |
| 2917 | btm_sec_change_pairing_state (BTM_PAIR_STATE_IDLE); |
| 2918 | } |
| 2919 | |
| 2920 | /******************************************************************************* |
| 2921 | ** |
| 2922 | ** Function btm_sec_dev_reset |
| 2923 | ** |
| 2924 | ** Description This function should be called after device reset |
| 2925 | ** |
| 2926 | ** Returns void |
| 2927 | ** |
| 2928 | *******************************************************************************/ |
| 2929 | void btm_sec_dev_reset (void) |
| 2930 | { |
| 2931 | #if (BTM_PRE_LISBON_INCLUDED == TRUE) |
| 2932 | if (btm_cb.security_mode == BTM_SEC_MODE_LINK) |
| 2933 | { |
| 2934 | btsnd_hcic_write_auth_enable (TRUE); |
| 2935 | btsnd_hcic_write_encr_mode (HCI_ENCRYPT_MODE_POINT_TO_POINT); |
| 2936 | } |
| 2937 | #endif |
| 2938 | #if (BTM_PRE_LISBON_INCLUDED == TRUE) |
| 2939 | else |
| 2940 | #endif |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 2941 | /* btm_sec_dev_reset() is only called from btm_decode_ext_features_page(...) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2942 | * right now. */ |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 2943 | if (HCI_SIMPLE_PAIRING_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0])) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2944 | { |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 2945 | btsnd_hcic_write_simple_pairing_mode(HCI_SP_MODE_ENABLED); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2946 | #if BLE_INCLUDED == TRUE |
| 2947 | btsnd_hcic_set_event_mask(LOCAL_BR_EDR_CONTROLLER_ID, |
| 2948 | (UINT8 *)HCI_DUMO_EVENT_MASK_EXT); |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 2949 | |
| 2950 | btsnd_hcic_ble_set_evt_mask((UINT8 *)HCI_BLE_EVENT_MASK_DEF); |
| 2951 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2952 | #else |
| 2953 | btsnd_hcic_set_event_mask(LOCAL_BR_EDR_CONTROLLER_ID, |
| 2954 | (UINT8 *)HCI_LISBON_EVENT_MASK_EXT); |
| 2955 | #endif |
| 2956 | /* set the default IO capabilities */ |
| 2957 | btm_cb.devcb.loc_io_caps = BTM_LOCAL_IO_CAPS; |
| 2958 | /* add mx service to use no security */ |
| 2959 | #if (RFCOMM_INCLUDED == TRUE) |
| 2960 | BTM_SetSecurityLevel(FALSE, "RFC_MUX", BTM_SEC_SERVICE_RFC_MUX, |
| 2961 | BTM_SEC_NONE, BT_PSM_RFCOMM, BTM_SEC_PROTO_RFCOMM, 0); |
| 2962 | #endif |
| 2963 | } |
| 2964 | else |
| 2965 | { |
| 2966 | btm_cb.security_mode = BTM_SEC_MODE_SERVICE; |
| 2967 | } |
| 2968 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2969 | BTM_TRACE_DEBUG ("btm_sec_dev_reset sec mode: %d", btm_cb.security_mode); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2970 | } |
| 2971 | |
| 2972 | /******************************************************************************* |
| 2973 | ** |
| 2974 | ** Function btm_sec_abort_access_req |
| 2975 | ** |
| 2976 | ** Description This function is called by the L2CAP or RFCOMM to abort |
| 2977 | ** the pending operation. |
| 2978 | ** |
| 2979 | ** Parameters: bd_addr - Address of the peer device |
| 2980 | ** |
| 2981 | ** Returns void |
| 2982 | ** |
| 2983 | *******************************************************************************/ |
| 2984 | void btm_sec_abort_access_req (BD_ADDR bd_addr) |
| 2985 | { |
| 2986 | tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev (bd_addr); |
| 2987 | |
| 2988 | if (!p_dev_rec) |
| 2989 | return; |
| 2990 | |
| 2991 | if (btm_cb.api.p_abort_callback) |
| 2992 | (*btm_cb.api.p_abort_callback)(bd_addr, p_dev_rec->dev_class, p_dev_rec->sec_bd_name); |
| 2993 | |
| 2994 | if ((p_dev_rec->sec_state != BTM_SEC_STATE_AUTHORIZING) |
| 2995 | && (p_dev_rec->sec_state != BTM_SEC_STATE_AUTHENTICATING)) |
| 2996 | return; |
| 2997 | |
| 2998 | p_dev_rec->sec_state = BTM_SEC_STATE_IDLE; |
| 2999 | p_dev_rec->p_callback = NULL; |
| 3000 | } |
| 3001 | |
| 3002 | /******************************************************************************* |
| 3003 | ** |
| 3004 | ** Function btm_sec_dd_create_conn |
| 3005 | ** |
| 3006 | ** Description This function is called to create the ACL connection for |
| 3007 | ** the dedicated boding process |
| 3008 | ** |
| 3009 | ** Returns void |
| 3010 | ** |
| 3011 | *******************************************************************************/ |
| 3012 | static tBTM_STATUS btm_sec_dd_create_conn (tBTM_SEC_DEV_REC *p_dev_rec) |
| 3013 | { |
| 3014 | tL2C_LCB *p_lcb; |
| 3015 | |
| 3016 | /* Make sure an L2cap link control block is available */ |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 3017 | if ((p_lcb = l2cu_allocate_lcb (p_dev_rec->bd_addr, TRUE, BT_TRANSPORT_BR_EDR)) == NULL) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3018 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3019 | BTM_TRACE_WARNING ("Security Manager: failed allocate LCB [%02x%02x%02x%02x%02x%02x]", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3020 | p_dev_rec->bd_addr[0], p_dev_rec->bd_addr[1], p_dev_rec->bd_addr[2], |
| 3021 | p_dev_rec->bd_addr[3], p_dev_rec->bd_addr[4], p_dev_rec->bd_addr[5]); |
| 3022 | |
| 3023 | return(BTM_NO_RESOURCES); |
| 3024 | } |
| 3025 | |
| 3026 | /* set up the control block to indicated dedicated bonding */ |
| 3027 | btm_cb.pairing_flags |= BTM_PAIR_FLAGS_DISC_WHEN_DONE; |
| 3028 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 3029 | if (l2cu_create_conn(p_lcb, BT_TRANSPORT_BR_EDR) == FALSE) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3030 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3031 | BTM_TRACE_WARNING ("Security Manager: failed create [%02x%02x%02x%02x%02x%02x]", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3032 | p_dev_rec->bd_addr[0], p_dev_rec->bd_addr[1], p_dev_rec->bd_addr[2], |
| 3033 | p_dev_rec->bd_addr[3], p_dev_rec->bd_addr[4], p_dev_rec->bd_addr[5]); |
| 3034 | |
| 3035 | l2cu_release_lcb(p_lcb); |
| 3036 | return(BTM_NO_RESOURCES); |
| 3037 | } |
| 3038 | |
| 3039 | #if (defined(BTM_BUSY_LEVEL_CHANGE_INCLUDED) && BTM_BUSY_LEVEL_CHANGE_INCLUDED == TRUE) |
| 3040 | btm_acl_update_busy_level (BTM_BLI_PAGE_EVT); |
| 3041 | #endif |
| 3042 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3043 | BTM_TRACE_DEBUG ("Security Manager: btm_sec_dd_create_conn [%02x%02x%02x%02x%02x%02x]", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3044 | p_dev_rec->bd_addr[0], p_dev_rec->bd_addr[1], p_dev_rec->bd_addr[2], |
| 3045 | p_dev_rec->bd_addr[3], p_dev_rec->bd_addr[4], p_dev_rec->bd_addr[5]); |
| 3046 | |
| 3047 | btm_sec_change_pairing_state (BTM_PAIR_STATE_WAIT_PIN_REQ); |
| 3048 | |
| 3049 | return(BTM_CMD_STARTED); |
| 3050 | } |
| 3051 | |
| 3052 | /******************************************************************************* |
| 3053 | ** |
| 3054 | ** Function btm_sec_rmt_name_request_complete |
| 3055 | ** |
| 3056 | ** Description This function is called when remote name was obtained from |
| 3057 | ** the peer device |
| 3058 | ** |
| 3059 | ** Returns void |
| 3060 | ** |
| 3061 | *******************************************************************************/ |
| 3062 | void btm_sec_rmt_name_request_complete (UINT8 *p_bd_addr, UINT8 *p_bd_name, UINT8 status) |
| 3063 | { |
| 3064 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 3065 | int i; |
| 3066 | DEV_CLASS dev_class; |
| 3067 | UINT8 old_sec_state; |
| 3068 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3069 | BTM_TRACE_EVENT ("btm_sec_rmt_name_request_complete"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3070 | if (((p_bd_addr == NULL) && !BTM_ACL_IS_CONNECTED(btm_cb.connecting_bda)) |
| 3071 | || ((p_bd_addr != NULL) && !BTM_ACL_IS_CONNECTED(p_bd_addr))) |
| 3072 | { |
| 3073 | btm_acl_resubmit_page(); |
| 3074 | } |
| 3075 | |
| 3076 | /* If remote name request failed, p_bd_addr is null and we need to search */ |
| 3077 | /* based on state assuming that we are doing 1 at a time */ |
| 3078 | if (p_bd_addr) |
| 3079 | p_dev_rec = btm_find_dev (p_bd_addr); |
| 3080 | else |
| 3081 | { |
| 3082 | p_dev_rec = &btm_cb.sec_dev_rec[0]; |
| 3083 | |
| 3084 | for (i = 0; i < BTM_SEC_MAX_DEVICE_RECORDS; i++, p_dev_rec++) |
| 3085 | { |
| 3086 | if ((p_dev_rec->sec_flags & BTM_SEC_IN_USE) |
| 3087 | && (p_dev_rec->sec_state == BTM_SEC_STATE_GETTING_NAME)) |
| 3088 | { |
| 3089 | p_bd_addr = p_dev_rec->bd_addr; |
| 3090 | break; |
| 3091 | } |
| 3092 | } |
| 3093 | |
| 3094 | if (i == BTM_SEC_MAX_DEVICE_RECORDS) |
| 3095 | p_dev_rec = NULL; |
| 3096 | } |
| 3097 | |
| 3098 | |
| 3099 | /* Commenting out trace due to obf/compilation problems. |
| 3100 | */ |
| 3101 | #if (BT_USE_TRACES == TRUE) |
| 3102 | if (!p_bd_name) |
| 3103 | p_bd_name = (UINT8 *)""; |
| 3104 | |
| 3105 | if (p_dev_rec) |
| 3106 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3107 | BTM_TRACE_EVENT ("Security Manager: rmt_name_complete PairState: %s RemName: %s status: %d State:%d p_dev_rec: 0x%08x ", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3108 | btm_pair_state_descr (btm_cb.pairing_state), p_bd_name, |
| 3109 | status, p_dev_rec->sec_state, p_dev_rec); |
| 3110 | } |
| 3111 | else |
| 3112 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3113 | BTM_TRACE_EVENT ("Security Manager: rmt_name_complete PairState: %s RemName: %s status: %d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3114 | btm_pair_state_descr (btm_cb.pairing_state), p_bd_name, |
| 3115 | status); |
| 3116 | } |
| 3117 | #endif |
| 3118 | |
| 3119 | if (p_dev_rec) |
| 3120 | { |
| 3121 | old_sec_state = p_dev_rec->sec_state; |
| 3122 | if (status == HCI_SUCCESS) |
| 3123 | { |
| 3124 | BCM_STRNCPY_S ((char *)p_dev_rec->sec_bd_name, sizeof (p_dev_rec->sec_bd_name), (char *)p_bd_name, BTM_MAX_REM_BD_NAME_LEN); |
| 3125 | p_dev_rec->sec_flags |= BTM_SEC_NAME_KNOWN; |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3126 | BTM_TRACE_EVENT ("setting BTM_SEC_NAME_KNOWN sec_flags:0x%x", p_dev_rec->sec_flags); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3127 | } |
| 3128 | else |
| 3129 | { |
| 3130 | /* Notify all clients waiting for name to be resolved even if it failed so clients can continue */ |
| 3131 | p_dev_rec->sec_bd_name[0] = 0; |
| 3132 | } |
| 3133 | |
| 3134 | if (p_dev_rec->sec_state == BTM_SEC_STATE_GETTING_NAME) |
| 3135 | p_dev_rec->sec_state = BTM_SEC_STATE_IDLE; |
| 3136 | |
| 3137 | /* Notify all clients waiting for name to be resolved */ |
| 3138 | for (i = 0;i < BTM_SEC_MAX_RMT_NAME_CALLBACKS; i++) |
| 3139 | { |
Hemant Gupta | 831423e | 2014-01-08 12:42:13 +0530 | [diff] [blame] | 3140 | if (btm_cb.p_rmt_name_callback[i] && p_bd_addr) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3141 | (*btm_cb.p_rmt_name_callback[i])(p_bd_addr, p_dev_rec->dev_class, |
| 3142 | p_dev_rec->sec_bd_name); |
| 3143 | } |
| 3144 | } |
| 3145 | else |
| 3146 | { |
| 3147 | dev_class[0] = 0; |
| 3148 | dev_class[1] = 0; |
| 3149 | dev_class[2] = 0; |
| 3150 | |
| 3151 | /* Notify all clients waiting for name to be resolved even if not found so clients can continue */ |
| 3152 | for (i = 0;i < BTM_SEC_MAX_RMT_NAME_CALLBACKS; i++) |
| 3153 | { |
Hemant Gupta | 831423e | 2014-01-08 12:42:13 +0530 | [diff] [blame] | 3154 | if (btm_cb.p_rmt_name_callback[i] && p_bd_addr) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3155 | (*btm_cb.p_rmt_name_callback[i])(p_bd_addr, dev_class, (UINT8 *)""); |
| 3156 | } |
| 3157 | |
| 3158 | return; |
| 3159 | } |
| 3160 | |
| 3161 | /* If we were delaying asking UI for a PIN because name was not resolved, ask now */ |
| 3162 | if ( (btm_cb.pairing_state == BTM_PAIR_STATE_WAIT_LOCAL_PIN) && p_bd_addr |
| 3163 | && (memcmp (btm_cb.pairing_bda, p_bd_addr, BD_ADDR_LEN) == 0) ) |
| 3164 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3165 | BTM_TRACE_EVENT ("btm_sec_rmt_name_request_complete() delayed pin now being requested flags:0x%x, (p_pin_callback=0x%p)", btm_cb.pairing_flags, btm_cb.api.p_pin_callback); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3166 | |
| 3167 | if (((btm_cb.pairing_flags & BTM_PAIR_FLAGS_WE_STARTED_DD) == 0) && |
| 3168 | ((btm_cb.pairing_flags & BTM_PAIR_FLAGS_PIN_REQD) == 0) && |
| 3169 | btm_cb.api.p_pin_callback) |
| 3170 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3171 | BTM_TRACE_EVENT ("btm_sec_rmt_name_request_complete() calling pin_callback"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3172 | btm_cb.pairing_flags |= BTM_PAIR_FLAGS_PIN_REQD; |
| 3173 | (*btm_cb.api.p_pin_callback) (p_dev_rec->bd_addr, p_dev_rec->dev_class, p_bd_name); |
| 3174 | } |
| 3175 | |
| 3176 | /* Set the same state again to force the timer to be restarted */ |
| 3177 | btm_sec_change_pairing_state (BTM_PAIR_STATE_WAIT_LOCAL_PIN); |
| 3178 | return; |
| 3179 | } |
| 3180 | |
| 3181 | /* Check if we were delaying bonding because name was not resolved */ |
| 3182 | if ( btm_cb.pairing_state == BTM_PAIR_STATE_GET_REM_NAME) |
| 3183 | { |
| 3184 | if (p_bd_addr && memcmp (btm_cb.pairing_bda, p_bd_addr, BD_ADDR_LEN) == 0) |
| 3185 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3186 | BTM_TRACE_EVENT ("btm_sec_rmt_name_request_complete() continue bonding sm4: 0x%04x, status:0x%x", p_dev_rec->sm4, status); |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 3187 | if(btm_cb.pairing_flags & BTM_PAIR_FLAGS_WE_CANCEL_DD) |
| 3188 | { |
| 3189 | btm_sec_bond_cancel_complete(); |
| 3190 | return; |
| 3191 | } |
| 3192 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3193 | if (status != HCI_SUCCESS) |
| 3194 | { |
| 3195 | btm_sec_change_pairing_state (BTM_PAIR_STATE_IDLE); |
| 3196 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 3197 | if (btm_cb.api.p_auth_complete_callback) |
| 3198 | (*btm_cb.api.p_auth_complete_callback) (p_dev_rec->bd_addr, p_dev_rec->dev_class, |
| 3199 | p_dev_rec->sec_bd_name, status); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3200 | return; |
| 3201 | } |
| 3202 | |
| 3203 | /* if peer is very old legacy devices, HCI_RMT_HOST_SUP_FEAT_NOTIFY_EVT is not reported */ |
| 3204 | if (BTM_SEC_IS_SM4_UNKNOWN(p_dev_rec->sm4)) |
| 3205 | { |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 3206 | /* set the KNOWN flag only if BTM_PAIR_FLAGS_REJECTED_CONNECT is not set.*/ |
| 3207 | /* If it is set, there may be a race condition */ |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3208 | BTM_TRACE_DEBUG ("btm_sec_rmt_name_request_complete IS_SM4_UNKNOWN Flags:0x%04x", |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 3209 | btm_cb.pairing_flags); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3210 | if ((btm_cb.pairing_flags & BTM_PAIR_FLAGS_REJECTED_CONNECT) == 0) |
| 3211 | { |
| 3212 | p_dev_rec->sm4 |= BTM_SM4_KNOWN; |
| 3213 | } |
| 3214 | } |
| 3215 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3216 | BTM_TRACE_DEBUG("%s, SM4 Value: %x, Legacy:%d,IS SM4:%d, Unknown:%d",__FUNCTION__, |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 3217 | p_dev_rec->sm4, BTM_SEC_IS_SM4_LEGACY(p_dev_rec->sm4), |
| 3218 | BTM_SEC_IS_SM4(p_dev_rec->sm4),BTM_SEC_IS_SM4_UNKNOWN(p_dev_rec->sm4)); |
| 3219 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3220 | /* BT 2.1 or carkit, bring up the connection to force the peer to request PIN. |
| 3221 | ** Else prefetch (btm_sec_check_prefetch_pin will do the prefetching if needed) |
| 3222 | */ |
| 3223 | if ((p_dev_rec->sm4 != BTM_SM4_KNOWN) || !btm_sec_check_prefetch_pin(p_dev_rec)) |
| 3224 | { |
| 3225 | /* if we rejected incoming connection request, we have to wait HCI_Connection_Complete event */ |
| 3226 | /* before originating */ |
| 3227 | if (btm_cb.pairing_flags & BTM_PAIR_FLAGS_REJECTED_CONNECT) |
| 3228 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3229 | BTM_TRACE_WARNING ("btm_sec_rmt_name_request_complete: waiting HCI_Connection_Complete after rejecting connection"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3230 | } |
| 3231 | /* Both we and the peer are 2.1 - continue to create connection */ |
| 3232 | else if (btm_sec_dd_create_conn(p_dev_rec) != BTM_CMD_STARTED) |
| 3233 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3234 | BTM_TRACE_WARNING ("btm_sec_rmt_name_request_complete: failed to start connection"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3235 | |
| 3236 | btm_sec_change_pairing_state (BTM_PAIR_STATE_IDLE); |
| 3237 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 3238 | if (btm_cb.api.p_auth_complete_callback) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3239 | (*btm_cb.api.p_auth_complete_callback) (p_dev_rec->bd_addr, p_dev_rec->dev_class, |
| 3240 | p_dev_rec->sec_bd_name, HCI_ERR_MEMORY_FULL); |
| 3241 | } |
| 3242 | } |
| 3243 | return; |
| 3244 | } |
| 3245 | else |
| 3246 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3247 | BTM_TRACE_WARNING ("btm_sec_rmt_name_request_complete: wrong BDA, retry with pairing BDA"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3248 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 3249 | BTM_ReadRemoteDeviceName (btm_cb.pairing_bda, NULL, BT_TRANSPORT_BR_EDR); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3250 | return; |
| 3251 | } |
| 3252 | } |
| 3253 | |
| 3254 | /* check if we were delaying link_key_callback because name was not resolved */ |
| 3255 | if (p_dev_rec->link_key_not_sent) |
| 3256 | { |
| 3257 | /* If HCI connection complete has not arrived, wait for it */ |
| 3258 | if (p_dev_rec->hci_handle == BTM_SEC_INVALID_HANDLE) |
| 3259 | return; |
| 3260 | |
| 3261 | p_dev_rec->link_key_not_sent = FALSE; |
| 3262 | btm_send_link_key_notif(p_dev_rec); |
| 3263 | |
| 3264 | /* If its not us who perform authentication, we should tell stackserver */ |
| 3265 | /* that some authentication has been completed */ |
| 3266 | /* This is required when different entities receive link notification and auth complete */ |
| 3267 | if (!(p_dev_rec->security_required & BTM_SEC_OUT_AUTHENTICATE)) |
| 3268 | { |
| 3269 | if (btm_cb.api.p_auth_complete_callback) |
| 3270 | (*btm_cb.api.p_auth_complete_callback) (p_dev_rec->bd_addr, |
| 3271 | p_dev_rec->dev_class, |
| 3272 | p_dev_rec->sec_bd_name, HCI_SUCCESS); |
| 3273 | |
| 3274 | } |
| 3275 | } |
| 3276 | |
| 3277 | /* If this is a bonding procedure can disconnect the link now */ |
| 3278 | if ((btm_cb.pairing_flags & BTM_PAIR_FLAGS_WE_STARTED_DD) |
| 3279 | && (p_dev_rec->sec_flags & BTM_SEC_AUTHENTICATED)) |
| 3280 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3281 | BTM_TRACE_WARNING ("btm_sec_rmt_name_request_complete (none/ce)"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3282 | p_dev_rec->security_required &= ~(BTM_SEC_OUT_AUTHENTICATE); |
| 3283 | l2cu_start_post_bond_timer(p_dev_rec->hci_handle); |
| 3284 | return; |
| 3285 | } |
| 3286 | |
| 3287 | if (old_sec_state != BTM_SEC_STATE_GETTING_NAME) |
| 3288 | return; |
| 3289 | |
| 3290 | /* If get name failed, notify the waiting layer */ |
| 3291 | if (status != HCI_SUCCESS) |
| 3292 | { |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 3293 | btm_sec_dev_rec_cback_event (p_dev_rec, BTM_ERR_PROCESSING, FALSE); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3294 | return; |
| 3295 | } |
| 3296 | |
| 3297 | if (p_dev_rec->sm4 & BTM_SM4_REQ_PEND) |
| 3298 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3299 | BTM_TRACE_EVENT ("waiting for remote features!!"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3300 | return; |
| 3301 | } |
| 3302 | |
| 3303 | /* Remote Name succeeded, execute the next security procedure, if any */ |
| 3304 | status = (UINT8)btm_sec_execute_procedure (p_dev_rec); |
| 3305 | |
| 3306 | /* If result is pending reply from the user or from the device is pending */ |
| 3307 | if (status == BTM_CMD_STARTED) |
| 3308 | return; |
| 3309 | |
| 3310 | /* There is no next procedure or start of procedure failed, notify the waiting layer */ |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 3311 | btm_sec_dev_rec_cback_event (p_dev_rec, status, FALSE); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3312 | } |
| 3313 | |
| 3314 | /******************************************************************************* |
| 3315 | ** |
| 3316 | ** Function btm_sec_rmt_host_support_feat_evt |
| 3317 | ** |
| 3318 | ** Description This function is called when the |
| 3319 | ** HCI_RMT_HOST_SUP_FEAT_NOTIFY_EVT is received |
| 3320 | ** |
| 3321 | ** Returns void |
| 3322 | ** |
| 3323 | *******************************************************************************/ |
| 3324 | void btm_sec_rmt_host_support_feat_evt (UINT8 *p) |
| 3325 | { |
| 3326 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 3327 | BD_ADDR bd_addr; /* peer address */ |
| 3328 | BD_FEATURES features; |
| 3329 | |
| 3330 | STREAM_TO_BDADDR (bd_addr, p); |
| 3331 | p_dev_rec = btm_find_or_alloc_dev (bd_addr); |
| 3332 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3333 | BTM_TRACE_EVENT ("btm_sec_rmt_host_support_feat_evt sm4: 0x%x p[0]: 0x%x", p_dev_rec->sm4, p[0]); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3334 | |
| 3335 | if (BTM_SEC_IS_SM4_UNKNOWN(p_dev_rec->sm4)) |
| 3336 | { |
| 3337 | p_dev_rec->sm4 = BTM_SM4_KNOWN; |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 3338 | STREAM_TO_ARRAY(features, p, HCI_FEATURE_BYTES_PER_PAGE); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3339 | if (HCI_SSP_HOST_SUPPORTED(features)) |
| 3340 | { |
| 3341 | p_dev_rec->sm4 = BTM_SM4_TRUE; |
| 3342 | } |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3343 | BTM_TRACE_EVENT ("btm_sec_rmt_host_support_feat_evt sm4: 0x%x features[0]: 0x%x", p_dev_rec->sm4, features[0]); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3344 | } |
| 3345 | } |
| 3346 | |
| 3347 | /******************************************************************************* |
| 3348 | ** |
| 3349 | ** Function btm_io_capabilities_req |
| 3350 | ** |
| 3351 | ** Description This function is called when LM request for the IO |
| 3352 | ** capability of the local device and |
| 3353 | ** if the OOB data is present for the device in the event |
| 3354 | ** |
| 3355 | ** Returns void |
| 3356 | ** |
| 3357 | *******************************************************************************/ |
| 3358 | void btm_io_capabilities_req (UINT8 *p) |
| 3359 | { |
| 3360 | tBTM_SP_IO_REQ evt_data; |
| 3361 | UINT8 err_code = 0; |
| 3362 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 3363 | BOOLEAN is_orig = TRUE; |
| 3364 | UINT8 callback_rc = BTM_SUCCESS; |
| 3365 | |
| 3366 | STREAM_TO_BDADDR (evt_data.bd_addr, p); |
| 3367 | |
| 3368 | /* setup the default response according to compile options */ |
| 3369 | /* assume that the local IO capability does not change |
| 3370 | * loc_io_caps is initialized with the default value */ |
| 3371 | evt_data.io_cap = btm_cb.devcb.loc_io_caps; |
| 3372 | evt_data.oob_data = BTM_OOB_NONE; |
| 3373 | evt_data.auth_req = BTM_DEFAULT_AUTH_REQ; |
| 3374 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3375 | BTM_TRACE_EVENT ("btm_io_capabilities_req() State: %s", btm_pair_state_descr(btm_cb.pairing_state)); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3376 | |
| 3377 | p_dev_rec = btm_find_or_alloc_dev (evt_data.bd_addr); |
| 3378 | p_dev_rec->sm4 |= BTM_SM4_TRUE; |
| 3379 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3380 | BTM_TRACE_EVENT ("btm_io_capabilities_req() State: %s Flags: 0x%04x p_cur_service: 0x%08x", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3381 | btm_pair_state_descr(btm_cb.pairing_state), btm_cb.pairing_flags, p_dev_rec->p_cur_service); |
| 3382 | |
| 3383 | if (btm_cb.pairing_state != BTM_PAIR_STATE_IDLE) |
| 3384 | { |
| 3385 | if (btm_cb.pairing_state == BTM_PAIR_STATE_INCOMING_SSP) |
| 3386 | { |
| 3387 | /* received IO capability response already-> not the originator of SSP */ |
| 3388 | is_orig = FALSE; |
| 3389 | |
| 3390 | if (btm_cb.pairing_flags & BTM_PAIR_FLAGS_PEER_STARTED_DD) |
| 3391 | evt_data.auth_req = BTM_DEFAULT_DD_AUTH_REQ; |
| 3392 | } |
| 3393 | /* security is already in progress */ |
| 3394 | else if (btm_cb.pairing_state == BTM_PAIR_STATE_WAIT_PIN_REQ) |
| 3395 | { |
| 3396 | /* coverity[uninit_use_in_call] |
| 3397 | Event uninit_use_in_call: Using uninitialized element of array "evt_data.bd_addr" in call to function "memcmp" |
| 3398 | False-positive: evt_data.bd_addr is set at the beginning with: STREAM_TO_BDADDR (evt_data.bd_addr, p); |
| 3399 | */ |
| 3400 | if (memcmp (evt_data.bd_addr, btm_cb.pairing_bda, BD_ADDR_LEN)) |
| 3401 | { |
| 3402 | /* and it's not the device in bonding -> reject it */ |
| 3403 | err_code = HCI_ERR_HOST_BUSY_PAIRING; |
| 3404 | } |
| 3405 | else |
| 3406 | { |
| 3407 | /* local device initiated dedicated bonding */ |
| 3408 | evt_data.auth_req = BTM_DEFAULT_DD_AUTH_REQ; |
| 3409 | } |
| 3410 | } |
| 3411 | else |
| 3412 | { |
| 3413 | err_code = HCI_ERR_HOST_BUSY_PAIRING; |
| 3414 | } |
| 3415 | } |
| 3416 | |
| 3417 | /* paring is not allowed */ |
| 3418 | if (btm_cb.pairing_disabled) |
| 3419 | err_code = HCI_ERR_PAIRING_NOT_ALLOWED; |
| 3420 | |
| 3421 | if (err_code != 0) |
| 3422 | { |
| 3423 | /* coverity[uninit_use_in_call] |
| 3424 | Event uninit_use_in_call: Using uninitialized element of array "evt_data.bd_addr" in call to function "memcmp" |
| 3425 | False-positive: evt_data.bd_addr is set at the beginning with: STREAM_TO_BDADDR (evt_data.bd_addr, p); |
| 3426 | */ |
| 3427 | btsnd_hcic_io_cap_req_neg_reply(evt_data.bd_addr, err_code); |
| 3428 | return; |
| 3429 | } |
| 3430 | |
| 3431 | evt_data.is_orig = is_orig; |
| 3432 | |
| 3433 | if (is_orig) |
| 3434 | { |
| 3435 | /* local device initiated the pairing non-bonding -> use p_cur_service */ |
| 3436 | if (!(btm_cb.pairing_flags & BTM_PAIR_FLAGS_WE_STARTED_DD) && |
| 3437 | p_dev_rec->p_cur_service && |
| 3438 | (p_dev_rec->p_cur_service->security_flags & BTM_SEC_OUT_AUTHENTICATE)) |
| 3439 | { |
| 3440 | evt_data.auth_req = (p_dev_rec->p_cur_service->security_flags & BTM_SEC_OUT_MITM) ? BTM_AUTH_SP_YES : BTM_AUTH_SP_NO; |
| 3441 | } |
| 3442 | } |
| 3443 | |
| 3444 | /* Notify L2CAP to increase timeout */ |
| 3445 | l2c_pin_code_request (evt_data.bd_addr); |
| 3446 | |
| 3447 | memcpy (btm_cb.pairing_bda, evt_data.bd_addr, BD_ADDR_LEN); |
| 3448 | |
| 3449 | /* coverity[uninit_use_in_call] |
| 3450 | Event uninit_use_in_call: Using uninitialized element of array "evt_data.bd_addr" in call to function "memcmp" |
| 3451 | False-positive: False-positive: evt_data.bd_addr is set at the beginning with: STREAM_TO_BDADDR (evt_data.bd_addr, p); |
| 3452 | */ |
| 3453 | if (!memcmp (evt_data.bd_addr, btm_cb.connecting_bda, BD_ADDR_LEN)) |
| 3454 | memcpy (p_dev_rec->dev_class, btm_cb.connecting_dc, DEV_CLASS_LEN); |
| 3455 | |
| 3456 | btm_sec_change_pairing_state (BTM_PAIR_STATE_WAIT_LOCAL_IOCAPS); |
| 3457 | |
| 3458 | callback_rc = BTM_SUCCESS; |
| 3459 | if (p_dev_rec->sm4 & BTM_SM4_UPGRADE) |
| 3460 | { |
| 3461 | p_dev_rec->sm4 &= ~BTM_SM4_UPGRADE; |
| 3462 | |
| 3463 | /* link key upgrade: always use SPGB_YES - assuming we want to save the link key */ |
| 3464 | evt_data.auth_req = BTM_AUTH_SPGB_YES; |
| 3465 | } |
| 3466 | else if (btm_cb.api.p_sp_callback) |
| 3467 | { |
| 3468 | /* the callback function implementation may change the IO capability... */ |
| 3469 | callback_rc = (*btm_cb.api.p_sp_callback) (BTM_SP_IO_REQ_EVT, (tBTM_SP_EVT_DATA *)&evt_data); |
| 3470 | } |
| 3471 | |
| 3472 | #if BTM_OOB_INCLUDED == TRUE |
| 3473 | if ((callback_rc == BTM_SUCCESS) || (BTM_OOB_UNKNOWN != evt_data.oob_data)) |
| 3474 | #else |
| 3475 | if (callback_rc == BTM_SUCCESS) |
| 3476 | #endif |
| 3477 | { |
| 3478 | if ((btm_cb.pairing_flags & BTM_PAIR_FLAGS_WE_STARTED_DD)) |
| 3479 | { |
| 3480 | evt_data.auth_req = (BTM_AUTH_DD_BOND | (evt_data.auth_req & BTM_AUTH_YN_BIT)); |
| 3481 | } |
| 3482 | |
| 3483 | /* if the user does not indicate "reply later" by setting the oob_data to unknown |
| 3484 | * send the response right now. Save the current IO capability in the control block */ |
| 3485 | btm_cb.devcb.loc_auth_req = evt_data.auth_req; |
| 3486 | btm_cb.devcb.loc_io_caps = evt_data.io_cap; |
| 3487 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3488 | BTM_TRACE_EVENT ("btm_io_capabilities_req: State: %s IO_CAP:%d oob_data:%d auth_req:%d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3489 | btm_pair_state_descr(btm_cb.pairing_state), evt_data.io_cap, |
| 3490 | evt_data.oob_data, evt_data.auth_req); |
| 3491 | |
| 3492 | btsnd_hcic_io_cap_req_reply(evt_data.bd_addr, evt_data.io_cap, |
| 3493 | evt_data.oob_data, evt_data.auth_req); |
| 3494 | } |
| 3495 | } |
| 3496 | |
| 3497 | /******************************************************************************* |
| 3498 | ** |
| 3499 | ** Function btm_io_capabilities_rsp |
| 3500 | ** |
| 3501 | ** Description This function is called when the IO capability of the |
| 3502 | ** specified device is received |
| 3503 | ** |
| 3504 | ** Returns void |
| 3505 | ** |
| 3506 | *******************************************************************************/ |
| 3507 | void btm_io_capabilities_rsp (UINT8 *p) |
| 3508 | { |
| 3509 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 3510 | tBTM_SP_IO_RSP evt_data; |
| 3511 | |
| 3512 | STREAM_TO_BDADDR (evt_data.bd_addr, p); |
| 3513 | STREAM_TO_UINT8 (evt_data.io_cap, p); |
| 3514 | STREAM_TO_UINT8 (evt_data.oob_data, p); |
| 3515 | STREAM_TO_UINT8 (evt_data.auth_req, p); |
| 3516 | |
| 3517 | /* Allocate a new device record or reuse the oldest one */ |
| 3518 | p_dev_rec = btm_find_or_alloc_dev (evt_data.bd_addr); |
| 3519 | |
| 3520 | /* If no security is in progress, this indicates incoming security */ |
| 3521 | if (btm_cb.pairing_state == BTM_PAIR_STATE_IDLE) |
| 3522 | { |
| 3523 | memcpy (btm_cb.pairing_bda, evt_data.bd_addr, BD_ADDR_LEN); |
| 3524 | |
| 3525 | btm_sec_change_pairing_state (BTM_PAIR_STATE_INCOMING_SSP); |
| 3526 | |
| 3527 | /* Make sure we reset the trusted mask to help against attacks */ |
| 3528 | BTM_SEC_CLR_TRUSTED_DEVICE(p_dev_rec->trusted_mask); |
| 3529 | |
| 3530 | /* work around for FW bug */ |
| 3531 | btm_inq_stop_on_ssp(); |
| 3532 | } |
| 3533 | |
| 3534 | /* Notify L2CAP to increase timeout */ |
| 3535 | l2c_pin_code_request (evt_data.bd_addr); |
| 3536 | |
| 3537 | /* We must have a device record here. |
| 3538 | * Use the connecting device's CoD for the connection */ |
| 3539 | /* coverity[uninit_use_in_call] |
| 3540 | Event uninit_use_in_call: Using uninitialized element of array "evt_data.bd_addr" in call to function "memcmp" |
| 3541 | FALSE-POSITIVE error from Coverity test-tool. evt_data.bd_addr is set at the beginning with: STREAM_TO_BDADDR (evt_data.bd_addr, p); |
| 3542 | */ |
| 3543 | if (!memcmp (evt_data.bd_addr, btm_cb.connecting_bda, BD_ADDR_LEN)) |
| 3544 | memcpy (p_dev_rec->dev_class, btm_cb.connecting_dc, DEV_CLASS_LEN); |
| 3545 | |
| 3546 | /* peer sets dedicated bonding bit and we did not initiate dedicated bonding */ |
| 3547 | if (btm_cb.pairing_state == BTM_PAIR_STATE_INCOMING_SSP /* peer initiated bonding */ |
| 3548 | && (evt_data.auth_req & BTM_AUTH_DD_BOND) ) /* and dedicated bonding bit is set */ |
| 3549 | { |
| 3550 | btm_cb.pairing_flags |= BTM_PAIR_FLAGS_PEER_STARTED_DD; |
| 3551 | } |
| 3552 | |
| 3553 | /* save the IO capability in the device record */ |
| 3554 | p_dev_rec->rmt_io_caps = evt_data.io_cap; |
| 3555 | p_dev_rec->rmt_auth_req = evt_data.auth_req; |
| 3556 | |
| 3557 | if (btm_cb.api.p_sp_callback) |
| 3558 | (*btm_cb.api.p_sp_callback) (BTM_SP_IO_RSP_EVT, (tBTM_SP_EVT_DATA *)&evt_data); |
| 3559 | } |
| 3560 | |
| 3561 | /******************************************************************************* |
| 3562 | ** |
| 3563 | ** Function btm_proc_sp_req_evt |
| 3564 | ** |
| 3565 | ** Description This function is called to process/report |
| 3566 | ** HCI_USER_CONFIRMATION_REQUEST_EVT |
| 3567 | ** or HCI_USER_PASSKEY_REQUEST_EVT |
| 3568 | ** or HCI_USER_PASSKEY_NOTIFY_EVT |
| 3569 | ** |
| 3570 | ** Returns void |
| 3571 | ** |
| 3572 | *******************************************************************************/ |
| 3573 | void btm_proc_sp_req_evt (tBTM_SP_EVT event, UINT8 *p) |
| 3574 | { |
| 3575 | tBTM_STATUS status = BTM_ERR_PROCESSING; |
| 3576 | tBTM_SP_EVT_DATA evt_data; |
| 3577 | UINT8 *p_bda = evt_data.cfm_req.bd_addr; |
| 3578 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 3579 | |
| 3580 | /* All events start with bd_addr */ |
| 3581 | STREAM_TO_BDADDR (p_bda, p); |
| 3582 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3583 | BTM_TRACE_EVENT ("btm_proc_sp_req_evt() BDA: %08x%04x event: 0x%x, State: %s", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3584 | (p_bda[0]<<24) + (p_bda[1]<<16) + (p_bda[2]<<8) + p_bda[3], (p_bda[4] << 8) + p_bda[5], |
| 3585 | event, btm_pair_state_descr(btm_cb.pairing_state)); |
| 3586 | |
| 3587 | if ( ((p_dev_rec = btm_find_dev (p_bda)) != NULL) |
| 3588 | && (btm_cb.pairing_state != BTM_PAIR_STATE_IDLE) |
| 3589 | && (memcmp (btm_cb.pairing_bda, p_bda, BD_ADDR_LEN) == 0) ) |
| 3590 | { |
| 3591 | memcpy (evt_data.cfm_req.bd_addr, p_dev_rec->bd_addr, BD_ADDR_LEN); |
| 3592 | memcpy (evt_data.cfm_req.dev_class, p_dev_rec->dev_class, DEV_CLASS_LEN); |
| 3593 | |
| 3594 | BCM_STRNCPY_S ((char *)evt_data.cfm_req.bd_name, sizeof(evt_data.cfm_req.bd_name), (char *)p_dev_rec->sec_bd_name, BTM_MAX_REM_BD_NAME_LEN); |
| 3595 | |
| 3596 | switch (event) |
| 3597 | { |
| 3598 | case BTM_SP_CFM_REQ_EVT: |
| 3599 | /* Numeric confirmation. Need user to conf the passkey */ |
| 3600 | btm_sec_change_pairing_state (BTM_PAIR_STATE_WAIT_NUMERIC_CONFIRM); |
| 3601 | |
| 3602 | /* The device record must be allocated in the "IO cap exchange" step */ |
| 3603 | STREAM_TO_UINT32 (evt_data.cfm_req.num_val, p); |
| 3604 | |
| 3605 | evt_data.cfm_req.just_works = TRUE; |
| 3606 | |
| 3607 | /* process user confirm req in association with the auth_req param */ |
| 3608 | #if (BTM_LOCAL_IO_CAPS == BTM_IO_CAP_IO) |
| 3609 | if ( (p_dev_rec->rmt_io_caps == BTM_IO_CAP_IO) |
| 3610 | && (btm_cb.devcb.loc_io_caps == BTM_IO_CAP_IO) |
| 3611 | && ((p_dev_rec->rmt_auth_req & BTM_AUTH_SP_YES) || (btm_cb.devcb.loc_auth_req & BTM_AUTH_SP_YES)) ) |
| 3612 | { |
| 3613 | /* Both devices are DisplayYesNo and one or both devices want to authenticate |
| 3614 | -> use authenticated link key */ |
| 3615 | evt_data.cfm_req.just_works = FALSE; |
| 3616 | } |
| 3617 | #endif |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3618 | BTM_TRACE_DEBUG ("btm_proc_sp_req_evt() just_works:%d, io loc:%d, rmt:%d, auth loc:%d, rmt:%d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3619 | evt_data.cfm_req.just_works, btm_cb.devcb.loc_io_caps, p_dev_rec->rmt_io_caps, |
| 3620 | btm_cb.devcb.loc_auth_req, p_dev_rec->rmt_auth_req); |
| 3621 | |
| 3622 | evt_data.cfm_req.loc_auth_req = btm_cb.devcb.loc_auth_req; |
| 3623 | evt_data.cfm_req.rmt_auth_req = p_dev_rec->rmt_auth_req; |
| 3624 | evt_data.cfm_req.loc_io_caps = btm_cb.devcb.loc_io_caps; |
| 3625 | evt_data.cfm_req.rmt_io_caps = p_dev_rec->rmt_io_caps; |
| 3626 | break; |
| 3627 | |
| 3628 | case BTM_SP_KEY_NOTIF_EVT: |
| 3629 | /* Passkey notification (other side is a keyboard) */ |
| 3630 | STREAM_TO_UINT32 (evt_data.key_notif.passkey, p); |
| 3631 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3632 | BTM_TRACE_DEBUG ("BTM_SP_KEY_NOTIF_EVT: passkey: %u", evt_data.key_notif.passkey); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3633 | |
| 3634 | btm_sec_change_pairing_state (BTM_PAIR_STATE_WAIT_AUTH_COMPLETE); |
| 3635 | break; |
| 3636 | |
| 3637 | #if (BTM_LOCAL_IO_CAPS != BTM_IO_CAP_NONE) |
| 3638 | case BTM_SP_KEY_REQ_EVT: |
| 3639 | /* HCI_USER_PASSKEY_REQUEST_EVT */ |
| 3640 | btm_sec_change_pairing_state (BTM_PAIR_STATE_KEY_ENTRY); |
| 3641 | break; |
| 3642 | #endif |
| 3643 | } |
| 3644 | |
| 3645 | if (btm_cb.api.p_sp_callback) |
| 3646 | { |
| 3647 | status = (*btm_cb.api.p_sp_callback) (event, (tBTM_SP_EVT_DATA *)&evt_data); |
| 3648 | if (status != BTM_NOT_AUTHORIZED) |
| 3649 | { |
| 3650 | return; |
| 3651 | } |
| 3652 | /* else BTM_NOT_AUTHORIZED means when the app wants to reject the req right now */ |
| 3653 | } |
| 3654 | else if ( (event == BTM_SP_CFM_REQ_EVT) && (evt_data.cfm_req.just_works == TRUE) ) |
| 3655 | { |
| 3656 | /* automatically reply with just works if no sp_cback */ |
| 3657 | status = BTM_SUCCESS; |
| 3658 | } |
| 3659 | |
| 3660 | if (event == BTM_SP_CFM_REQ_EVT) |
| 3661 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3662 | BTM_TRACE_DEBUG ("calling BTM_ConfirmReqReply with status: %d", status); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3663 | BTM_ConfirmReqReply (status, p_bda); |
| 3664 | } |
| 3665 | #if (BTM_LOCAL_IO_CAPS != BTM_IO_CAP_NONE) |
| 3666 | else if (event == BTM_SP_KEY_REQ_EVT) |
| 3667 | { |
| 3668 | BTM_PasskeyReqReply(status, p_bda, 0); |
| 3669 | } |
| 3670 | #endif |
| 3671 | return; |
| 3672 | } |
| 3673 | |
| 3674 | /* Something bad. we can only fail this connection */ |
| 3675 | btm_cb.acl_disc_reason = HCI_ERR_HOST_REJECT_SECURITY; |
| 3676 | |
| 3677 | if (BTM_SP_CFM_REQ_EVT == event) |
| 3678 | { |
| 3679 | btsnd_hcic_user_conf_reply (p_bda, FALSE); |
| 3680 | } |
| 3681 | else if (BTM_SP_KEY_NOTIF_EVT == event) |
| 3682 | { |
| 3683 | /* do nothing -> it very unlikely to happen. |
| 3684 | This event is most likely to be received by a HID host when it first connects to a HID device. |
| 3685 | Usually the Host initiated the connection in this case. |
| 3686 | On Mobile platforms, if there's a security process happening, |
| 3687 | the host probably can not initiate another connection. |
| 3688 | BTW (PC) is another story. */ |
| 3689 | if (NULL != (p_dev_rec = btm_find_dev (p_bda)) ) |
| 3690 | { |
| 3691 | btm_sec_disconnect (p_dev_rec->hci_handle, HCI_ERR_AUTH_FAILURE); |
| 3692 | } |
| 3693 | } |
| 3694 | #if (BTM_LOCAL_IO_CAPS != BTM_IO_CAP_NONE) |
| 3695 | else |
| 3696 | { |
| 3697 | btsnd_hcic_user_passkey_neg_reply(p_bda); |
| 3698 | } |
| 3699 | #endif |
| 3700 | } |
| 3701 | |
| 3702 | /******************************************************************************* |
| 3703 | ** |
| 3704 | ** Function btm_keypress_notif_evt |
| 3705 | ** |
| 3706 | ** Description This function is called when a key press notification is |
| 3707 | ** received |
| 3708 | ** |
| 3709 | ** Returns void |
| 3710 | ** |
| 3711 | *******************************************************************************/ |
| 3712 | void btm_keypress_notif_evt (UINT8 *p) |
| 3713 | { |
| 3714 | tBTM_SP_KEYPRESS evt_data; |
| 3715 | UINT8 *p_bda; |
| 3716 | |
| 3717 | /* parse & report BTM_SP_KEYPRESS_EVT */ |
| 3718 | if (btm_cb.api.p_sp_callback) |
| 3719 | { |
| 3720 | p_bda = evt_data.bd_addr; |
| 3721 | |
| 3722 | STREAM_TO_BDADDR (p_bda, p); |
| 3723 | evt_data.notif_type = *p; |
| 3724 | |
| 3725 | (*btm_cb.api.p_sp_callback) (BTM_SP_KEYPRESS_EVT, (tBTM_SP_EVT_DATA *)&evt_data); |
| 3726 | } |
| 3727 | } |
| 3728 | |
| 3729 | /******************************************************************************* |
| 3730 | ** |
| 3731 | ** Function btm_simple_pair_complete |
| 3732 | ** |
| 3733 | ** Description This function is called when simple pairing process is |
| 3734 | ** complete |
| 3735 | ** |
| 3736 | ** Returns void |
| 3737 | ** |
| 3738 | *******************************************************************************/ |
| 3739 | void btm_simple_pair_complete (UINT8 *p) |
| 3740 | { |
| 3741 | tBTM_SP_COMPLT evt_data; |
| 3742 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 3743 | UINT8 status; |
| 3744 | BOOLEAN disc = FALSE; |
| 3745 | |
| 3746 | status = *p++; |
| 3747 | STREAM_TO_BDADDR (evt_data.bd_addr, p); |
| 3748 | |
| 3749 | if ((p_dev_rec = btm_find_dev (evt_data.bd_addr)) == NULL) |
| 3750 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3751 | BTM_TRACE_ERROR ("btm_simple_pair_complete() with unknown BDA: %08x%04x", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3752 | (evt_data.bd_addr[0]<<24) + (evt_data.bd_addr[1]<<16) + (evt_data.bd_addr[2]<<8) + evt_data.bd_addr[3], |
| 3753 | (evt_data.bd_addr[4] << 8) + evt_data.bd_addr[5]); |
| 3754 | return; |
| 3755 | } |
| 3756 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3757 | BTM_TRACE_EVENT ("btm_simple_pair_complete() Pair State: %s Status:%d sec_state: %u", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3758 | btm_pair_state_descr(btm_cb.pairing_state), status, p_dev_rec->sec_state); |
| 3759 | |
| 3760 | evt_data.status = BTM_ERR_PROCESSING; |
| 3761 | if (status == HCI_SUCCESS) |
| 3762 | { |
| 3763 | evt_data.status = BTM_SUCCESS; |
| 3764 | p_dev_rec->sec_flags |= BTM_SEC_AUTHENTICATED; |
| 3765 | } |
| 3766 | else |
| 3767 | { |
| 3768 | if (status == HCI_ERR_PAIRING_NOT_ALLOWED) |
| 3769 | { |
| 3770 | /* The test spec wants the peer device to get this failure code. */ |
| 3771 | btm_sec_change_pairing_state (BTM_PAIR_STATE_WAIT_DISCONNECT); |
| 3772 | |
| 3773 | /* Change the timer to 1 second */ |
| 3774 | btu_start_timer (&btm_cb.pairing_tle, BTU_TTYPE_USER_FUNC, BT_1SEC_TIMEOUT); |
| 3775 | } |
| 3776 | else if (memcmp (btm_cb.pairing_bda, evt_data.bd_addr, BD_ADDR_LEN) == 0) |
| 3777 | { |
| 3778 | /* stop the timer */ |
| 3779 | btu_stop_timer (&btm_cb.pairing_tle); |
| 3780 | |
| 3781 | if (p_dev_rec->sec_state != BTM_SEC_STATE_AUTHENTICATING) |
| 3782 | { |
| 3783 | /* the initiating side: will receive auth complete event. disconnect ACL at that time */ |
| 3784 | disc = TRUE; |
| 3785 | } |
| 3786 | } |
| 3787 | else |
| 3788 | disc = TRUE; |
| 3789 | } |
| 3790 | |
| 3791 | /* Let the pairing state stay active, p_auth_complete_callback will report the failure */ |
| 3792 | memcpy (evt_data.bd_addr, p_dev_rec->bd_addr, BD_ADDR_LEN); |
| 3793 | memcpy (evt_data.dev_class, p_dev_rec->dev_class, DEV_CLASS_LEN); |
| 3794 | |
| 3795 | if (btm_cb.api.p_sp_callback) |
| 3796 | (*btm_cb.api.p_sp_callback) (BTM_SP_COMPLT_EVT, (tBTM_SP_EVT_DATA *)&evt_data); |
| 3797 | |
| 3798 | if (disc) |
| 3799 | { |
| 3800 | /* simple pairing failed */ |
Hemant Gupta | db9ad59 | 2014-04-18 15:04:43 +0530 | [diff] [blame] | 3801 | /* Avoid sending disconnect on HCI_ERR_PEER_USER */ |
| 3802 | if ((status != HCI_ERR_PEER_USER) && (status != HCI_ERR_CONN_CAUSE_LOCAL_HOST)) |
| 3803 | { |
| 3804 | btm_sec_send_hci_disconnect (p_dev_rec, HCI_ERR_AUTH_FAILURE, p_dev_rec->hci_handle); |
| 3805 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3806 | } |
| 3807 | } |
| 3808 | |
| 3809 | #if BTM_OOB_INCLUDED == TRUE |
| 3810 | /******************************************************************************* |
| 3811 | ** |
| 3812 | ** Function btm_rem_oob_req |
| 3813 | ** |
| 3814 | ** Description This function is called to process/report |
| 3815 | ** HCI_REMOTE_OOB_DATA_REQUEST_EVT |
| 3816 | ** |
| 3817 | ** Returns void |
| 3818 | ** |
| 3819 | *******************************************************************************/ |
| 3820 | void btm_rem_oob_req (UINT8 *p) |
| 3821 | { |
| 3822 | UINT8 *p_bda; |
| 3823 | tBTM_SP_RMT_OOB evt_data; |
| 3824 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 3825 | BT_OCTET16 c; |
| 3826 | BT_OCTET16 r; |
| 3827 | |
| 3828 | p_bda = evt_data.bd_addr; |
| 3829 | |
| 3830 | STREAM_TO_BDADDR (p_bda, p); |
| 3831 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3832 | BTM_TRACE_EVENT ("btm_rem_oob_req() BDA: %02x:%02x:%02x:%02x:%02x:%02x", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3833 | p_bda[0], p_bda[1], p_bda[2], p_bda[3], p_bda[4], p_bda[5]); |
| 3834 | |
| 3835 | if ( (NULL != (p_dev_rec = btm_find_dev (p_bda))) && |
| 3836 | btm_cb.api.p_sp_callback) |
| 3837 | { |
| 3838 | memcpy (evt_data.bd_addr, p_dev_rec->bd_addr, BD_ADDR_LEN); |
| 3839 | memcpy (evt_data.dev_class, p_dev_rec->dev_class, DEV_CLASS_LEN); |
| 3840 | BCM_STRNCPY_S((char *)evt_data.bd_name, sizeof(evt_data.bd_name), (char *)p_dev_rec->sec_bd_name, BTM_MAX_REM_BD_NAME_LEN+1); |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 3841 | evt_data.bd_name[BTM_MAX_REM_BD_NAME_LEN] = 0; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3842 | |
| 3843 | btm_sec_change_pairing_state(BTM_PAIR_STATE_WAIT_LOCAL_OOB_RSP); |
| 3844 | if ((*btm_cb.api.p_sp_callback) (BTM_SP_RMT_OOB_EVT, (tBTM_SP_EVT_DATA *)&evt_data) == BTM_NOT_AUTHORIZED) |
| 3845 | { |
| 3846 | BTM_RemoteOobDataReply(TRUE, p_bda, c, r); |
| 3847 | } |
| 3848 | return; |
| 3849 | } |
| 3850 | |
| 3851 | /* something bad. we can only fail this connection */ |
| 3852 | btm_cb.acl_disc_reason = HCI_ERR_HOST_REJECT_SECURITY; |
| 3853 | btsnd_hcic_rem_oob_neg_reply (p_bda); |
| 3854 | } |
| 3855 | |
| 3856 | /******************************************************************************* |
| 3857 | ** |
| 3858 | ** Function btm_read_local_oob_complete |
| 3859 | ** |
| 3860 | ** Description This function is called when read local oob data is |
| 3861 | ** completed by the LM |
| 3862 | ** |
| 3863 | ** Returns void |
| 3864 | ** |
| 3865 | *******************************************************************************/ |
| 3866 | void btm_read_local_oob_complete (UINT8 *p) |
| 3867 | { |
| 3868 | tBTM_SP_LOC_OOB evt_data; |
| 3869 | UINT8 status = *p++; |
| 3870 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3871 | BTM_TRACE_EVENT ("btm_read_local_oob_complete:%d", status); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3872 | if (status == HCI_SUCCESS) |
| 3873 | { |
| 3874 | evt_data.status = BTM_SUCCESS; |
| 3875 | STREAM_TO_ARRAY16(evt_data.c, p); |
| 3876 | STREAM_TO_ARRAY16(evt_data.r, p); |
| 3877 | } |
| 3878 | else |
| 3879 | evt_data.status = BTM_ERR_PROCESSING; |
| 3880 | |
| 3881 | if (btm_cb.api.p_sp_callback) |
| 3882 | (*btm_cb.api.p_sp_callback) (BTM_SP_LOC_OOB_EVT, (tBTM_SP_EVT_DATA *)&evt_data); |
| 3883 | } |
| 3884 | #endif /* BTM_OOB_INCLUDED */ |
| 3885 | |
| 3886 | /******************************************************************************* |
| 3887 | ** |
| 3888 | ** Function btm_sec_auth_collision |
| 3889 | ** |
| 3890 | ** Description This function is called when authentication or encryption |
| 3891 | ** needs to be retried at a later time. |
| 3892 | ** |
| 3893 | ** Returns void |
| 3894 | ** |
| 3895 | *******************************************************************************/ |
| 3896 | static void btm_sec_auth_collision (UINT16 handle) |
| 3897 | { |
| 3898 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 3899 | |
| 3900 | if (!btm_cb.collision_start_time) |
| 3901 | btm_cb.collision_start_time = GKI_get_tick_count (); |
| 3902 | |
| 3903 | if ((GKI_get_tick_count () - btm_cb.collision_start_time) < btm_cb.max_collision_delay) |
| 3904 | { |
| 3905 | if (handle == BTM_SEC_INVALID_HANDLE) |
| 3906 | { |
| 3907 | if ((p_dev_rec = btm_sec_find_dev_by_sec_state (BTM_SEC_STATE_AUTHENTICATING)) == NULL) |
| 3908 | p_dev_rec = btm_sec_find_dev_by_sec_state (BTM_SEC_STATE_ENCRYPTING); |
| 3909 | } |
| 3910 | else |
| 3911 | p_dev_rec = btm_find_dev_by_handle (handle); |
| 3912 | |
| 3913 | if (p_dev_rec != NULL) |
| 3914 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3915 | BTM_TRACE_DEBUG ("btm_sec_auth_collision: state %d (retrying in a moment...)", p_dev_rec->sec_state); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3916 | /* We will restart authentication after timeout */ |
| 3917 | if (p_dev_rec->sec_state == BTM_SEC_STATE_AUTHENTICATING || p_dev_rec->sec_state == BTM_SEC_STATE_ENCRYPTING) |
| 3918 | p_dev_rec->sec_state = 0; |
| 3919 | |
| 3920 | btm_cb.p_collided_dev_rec = p_dev_rec; |
| 3921 | btm_cb.sec_collision_tle.param = (UINT32) btm_sec_collision_timeout; |
| 3922 | btu_start_timer (&btm_cb.sec_collision_tle, BTU_TTYPE_USER_FUNC, BT_1SEC_TIMEOUT); |
| 3923 | } |
| 3924 | } |
| 3925 | } |
| 3926 | |
| 3927 | /******************************************************************************* |
| 3928 | ** |
| 3929 | ** Function btm_sec_auth_complete |
| 3930 | ** |
| 3931 | ** Description This function is when authentication of the connection is |
| 3932 | ** completed by the LM |
| 3933 | ** |
| 3934 | ** Returns void |
| 3935 | ** |
| 3936 | *******************************************************************************/ |
| 3937 | void btm_sec_auth_complete (UINT16 handle, UINT8 status) |
| 3938 | { |
| 3939 | UINT8 old_sm4; |
| 3940 | tBTM_PAIRING_STATE old_state = btm_cb.pairing_state; |
| 3941 | tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev_by_handle (handle); |
| 3942 | BOOLEAN are_bonding = FALSE; |
| 3943 | |
| 3944 | /* Commenting out trace due to obf/compilation problems. |
| 3945 | */ |
| 3946 | #if (BT_USE_TRACES == TRUE) |
| 3947 | if (p_dev_rec) |
| 3948 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3949 | BTM_TRACE_EVENT ("Security Manager: auth_complete PairState: %s handle:%u status:%d dev->sec_state: %u Bda:%08x, RName:%s", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3950 | btm_pair_state_descr (btm_cb.pairing_state), |
| 3951 | handle, status, |
| 3952 | p_dev_rec->sec_state, |
| 3953 | (p_dev_rec->bd_addr[2]<<24)+(p_dev_rec->bd_addr[3]<<16)+(p_dev_rec->bd_addr[4]<<8)+p_dev_rec->bd_addr[5], |
| 3954 | p_dev_rec->sec_bd_name); |
| 3955 | } |
| 3956 | else |
| 3957 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3958 | BTM_TRACE_EVENT ("Security Manager: auth_complete PairState: %s handle:%u status:%d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3959 | btm_pair_state_descr (btm_cb.pairing_state), |
| 3960 | handle, status); |
| 3961 | } |
| 3962 | #endif |
| 3963 | |
| 3964 | /* For transaction collision we need to wait and repeat. There is no need */ |
| 3965 | /* for random timeout because only slave should receive the result */ |
| 3966 | if ((status == HCI_ERR_LMP_ERR_TRANS_COLLISION) || (status == HCI_ERR_DIFF_TRANSACTION_COLLISION)) |
| 3967 | { |
| 3968 | btm_sec_auth_collision(handle); |
| 3969 | return; |
| 3970 | } |
| 3971 | btm_cb.collision_start_time = 0; |
| 3972 | |
| 3973 | btm_restore_mode(); |
| 3974 | |
| 3975 | /* Check if connection was made just to do bonding. If we authenticate |
| 3976 | the connection that is up, this is the last event received. |
| 3977 | */ |
| 3978 | if (p_dev_rec |
| 3979 | && (btm_cb.pairing_flags & BTM_PAIR_FLAGS_WE_STARTED_DD) |
| 3980 | && !(btm_cb.pairing_flags & BTM_PAIR_FLAGS_DISC_WHEN_DONE)) |
| 3981 | { |
| 3982 | p_dev_rec->security_required &= ~BTM_SEC_OUT_AUTHENTICATE; |
| 3983 | |
| 3984 | l2cu_start_post_bond_timer (p_dev_rec->hci_handle); |
| 3985 | } |
| 3986 | |
| 3987 | if (!p_dev_rec) |
| 3988 | return; |
| 3989 | |
| 3990 | /* keep the old sm4 flag and clear the retry bit in control block */ |
| 3991 | old_sm4 = p_dev_rec->sm4; |
| 3992 | p_dev_rec->sm4 &= ~BTM_SM4_RETRY; |
| 3993 | |
| 3994 | if ( (btm_cb.pairing_state != BTM_PAIR_STATE_IDLE) |
| 3995 | && (btm_cb.pairing_flags & BTM_PAIR_FLAGS_WE_STARTED_DD) |
| 3996 | && (memcmp (p_dev_rec->bd_addr, btm_cb.pairing_bda, BD_ADDR_LEN) == 0) ) |
| 3997 | are_bonding = TRUE; |
| 3998 | |
| 3999 | btm_sec_change_pairing_state (BTM_PAIR_STATE_IDLE); |
| 4000 | |
| 4001 | if (p_dev_rec->sec_state != BTM_SEC_STATE_AUTHENTICATING) |
| 4002 | { |
| 4003 | if ( (btm_cb.api.p_auth_complete_callback && status != HCI_SUCCESS) |
| 4004 | && (old_state != BTM_PAIR_STATE_IDLE) ) |
| 4005 | { |
| 4006 | (*btm_cb.api.p_auth_complete_callback) (p_dev_rec->bd_addr, |
| 4007 | p_dev_rec->dev_class, |
| 4008 | p_dev_rec->sec_bd_name, status); |
| 4009 | } |
| 4010 | return; |
| 4011 | } |
| 4012 | |
| 4013 | /* There can be a race condition, when we are starting authentication and |
| 4014 | ** the peer device is doing encryption. |
| 4015 | ** If first we receive encryption change up, then initiated authentication |
| 4016 | ** can not be performed. According to the spec we can not do authentication |
| 4017 | ** on the encrypted link, so device is correct. |
| 4018 | */ |
| 4019 | if ((status == HCI_ERR_COMMAND_DISALLOWED) |
| 4020 | && ((p_dev_rec->sec_flags & (BTM_SEC_AUTHENTICATED | BTM_SEC_ENCRYPTED)) == |
| 4021 | (BTM_SEC_AUTHENTICATED | BTM_SEC_ENCRYPTED))) |
| 4022 | { |
| 4023 | status = HCI_SUCCESS; |
| 4024 | } |
| 4025 | /* Currently we do not notify user if it is a keyboard which connects */ |
| 4026 | /* User probably Disabled the keyboard while it was asleap. Let her try */ |
| 4027 | if (btm_cb.api.p_auth_complete_callback) |
| 4028 | { |
| 4029 | /* report the suthentication status */ |
| 4030 | if (old_state != BTM_PAIR_STATE_IDLE) |
| 4031 | (*btm_cb.api.p_auth_complete_callback) (p_dev_rec->bd_addr, |
| 4032 | p_dev_rec->dev_class, |
| 4033 | p_dev_rec->sec_bd_name, status); |
| 4034 | } |
| 4035 | |
| 4036 | p_dev_rec->sec_state = BTM_SEC_STATE_IDLE; |
| 4037 | |
| 4038 | /* If this is a bonding procedure can disconnect the link now */ |
| 4039 | if (are_bonding) |
| 4040 | { |
| 4041 | p_dev_rec->security_required &= ~BTM_SEC_OUT_AUTHENTICATE; |
| 4042 | |
| 4043 | if (status != HCI_SUCCESS) |
Hemant Gupta | db9ad59 | 2014-04-18 15:04:43 +0530 | [diff] [blame] | 4044 | { |
| 4045 | if(((status != HCI_ERR_PEER_USER) && (status != HCI_ERR_CONN_CAUSE_LOCAL_HOST))) |
| 4046 | btm_sec_send_hci_disconnect (p_dev_rec, HCI_ERR_PEER_USER, p_dev_rec->hci_handle); |
| 4047 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4048 | else |
| 4049 | l2cu_start_post_bond_timer (p_dev_rec->hci_handle); |
| 4050 | |
| 4051 | return; |
| 4052 | } |
| 4053 | |
| 4054 | /* If authentication failed, notify the waiting layer */ |
| 4055 | if (status != HCI_SUCCESS) |
| 4056 | { |
| 4057 | if ((old_sm4 & BTM_SM4_RETRY) == 0) |
| 4058 | { |
| 4059 | /* allow retry only once */ |
| 4060 | if (status == HCI_ERR_LMP_ERR_TRANS_COLLISION) |
| 4061 | { |
| 4062 | /* not retried yet. set the retry bit */ |
| 4063 | p_dev_rec->sm4 |= BTM_SM4_RETRY; |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4064 | BTM_TRACE_DEBUG ("Collision retry sm4:x%x sec_flags:0x%x", p_dev_rec->sm4, p_dev_rec->sec_flags); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4065 | } |
| 4066 | /* this retry for missing key is for Lisbon or later only. |
| 4067 | * Legacy device do not need this. the controller will drive the retry automatically */ |
| 4068 | else if (HCI_ERR_KEY_MISSING == status && BTM_SEC_IS_SM4(p_dev_rec->sm4)) |
| 4069 | { |
| 4070 | /* not retried yet. set the retry bit */ |
| 4071 | p_dev_rec->sm4 |= BTM_SM4_RETRY; |
| 4072 | p_dev_rec->sec_flags &= ~BTM_SEC_LINK_KEY_KNOWN; |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4073 | BTM_TRACE_DEBUG ("Retry for missing key sm4:x%x sec_flags:0x%x", p_dev_rec->sm4, p_dev_rec->sec_flags); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4074 | |
| 4075 | /* With BRCM controller, we do not need to delete the stored link key in controller. |
| 4076 | If the stack may sit on top of other controller, we may need this |
| 4077 | BTM_DeleteStoredLinkKey (bd_addr, NULL); */ |
| 4078 | } |
| 4079 | |
| 4080 | if (p_dev_rec->sm4 & BTM_SM4_RETRY) |
| 4081 | { |
| 4082 | btm_sec_execute_procedure (p_dev_rec); |
| 4083 | return; |
| 4084 | } |
| 4085 | } |
| 4086 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4087 | btm_sec_dev_rec_cback_event (p_dev_rec, BTM_ERR_PROCESSING, FALSE); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4088 | |
| 4089 | if (btm_cb.pairing_flags & BTM_PAIR_FLAGS_DISC_WHEN_DONE) |
| 4090 | { |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4091 | btm_sec_send_hci_disconnect (p_dev_rec, HCI_ERR_AUTH_FAILURE, p_dev_rec->hci_handle); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4092 | } |
| 4093 | return; |
| 4094 | } |
| 4095 | |
| 4096 | p_dev_rec->sec_flags |= BTM_SEC_AUTHENTICATED; |
| 4097 | |
| 4098 | /* Authentication succeeded, execute the next security procedure, if any */ |
| 4099 | status = btm_sec_execute_procedure (p_dev_rec); |
| 4100 | |
| 4101 | /* If there is no next procedure, or procedure failed to start, notify the caller */ |
| 4102 | if (status != BTM_CMD_STARTED) |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4103 | btm_sec_dev_rec_cback_event (p_dev_rec, status, FALSE); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4104 | } |
| 4105 | |
| 4106 | /******************************************************************************* |
| 4107 | ** |
| 4108 | ** Function btm_sec_mkey_comp_event |
| 4109 | ** |
| 4110 | ** Description This function is when encryption of the connection is |
| 4111 | ** completed by the LM |
| 4112 | ** |
| 4113 | ** Returns void |
| 4114 | ** |
| 4115 | *******************************************************************************/ |
| 4116 | void btm_sec_mkey_comp_event (UINT16 handle, UINT8 status, UINT8 key_flg) |
| 4117 | { |
| 4118 | tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev_by_handle (handle); |
| 4119 | UINT8 bd_addr[BD_ADDR_LEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff} ; |
| 4120 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4121 | BTM_TRACE_EVENT ("Security Manager: mkey comp status:%d State:%d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4122 | status, (p_dev_rec) ? p_dev_rec->sec_state : 0); |
| 4123 | |
| 4124 | /* If encryption setup failed, notify the waiting layer */ |
| 4125 | /* There is no next procedure or start of procedure failed, notify the waiting layer */ |
| 4126 | if (btm_cb.mkey_cback) |
| 4127 | { |
| 4128 | if (!p_dev_rec) |
| 4129 | (btm_cb.mkey_cback)(bd_addr, status, key_flg ); |
| 4130 | else |
| 4131 | (btm_cb.mkey_cback)(p_dev_rec->bd_addr, status, key_flg ); |
| 4132 | } |
| 4133 | } |
| 4134 | |
| 4135 | /******************************************************************************* |
| 4136 | ** |
| 4137 | ** Function btm_sec_encrypt_change |
| 4138 | ** |
| 4139 | ** Description This function is when encryption of the connection is |
| 4140 | ** completed by the LM |
| 4141 | ** |
| 4142 | ** Returns void |
| 4143 | ** |
| 4144 | *******************************************************************************/ |
| 4145 | void btm_sec_encrypt_change (UINT16 handle, UINT8 status, UINT8 encr_enable) |
| 4146 | { |
| 4147 | tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev_by_handle (handle); |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 4148 | #if BLE_INCLUDED == TRUE && SMP_INCLUDED == TRUE |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4149 | tACL_CONN *p_acl = NULL; |
| 4150 | UINT8 acl_idx = btm_handle_to_acl_index(handle); |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 4151 | #endif |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4152 | BTM_TRACE_EVENT ("Security Manager: encrypt_change status:%d State:%d, encr_enable = %d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4153 | status, (p_dev_rec) ? p_dev_rec->sec_state : 0, encr_enable); |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4154 | BTM_TRACE_DEBUG ("before update p_dev_rec->sec_flags=0x%x", (p_dev_rec) ? p_dev_rec->sec_flags : 0 ); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4155 | |
| 4156 | /* For transaction collision we need to wait and repeat. There is no need */ |
| 4157 | /* for random timeout because only slave should receive the result */ |
| 4158 | if ((status == HCI_ERR_LMP_ERR_TRANS_COLLISION) || (status == HCI_ERR_DIFF_TRANSACTION_COLLISION)) |
| 4159 | { |
| 4160 | btm_sec_auth_collision(handle); |
| 4161 | return; |
| 4162 | } |
| 4163 | btm_cb.collision_start_time = 0; |
| 4164 | |
| 4165 | if (!p_dev_rec) |
| 4166 | return; |
| 4167 | |
| 4168 | if ((status == HCI_SUCCESS) && encr_enable) |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4169 | { |
| 4170 | if (p_dev_rec->hci_handle == handle) |
| 4171 | p_dev_rec->sec_flags |= (BTM_SEC_AUTHENTICATED | BTM_SEC_ENCRYPTED); |
| 4172 | else |
| 4173 | p_dev_rec->sec_flags |= (BTM_SEC_LE_AUTHENTICATED | BTM_SEC_LE_ENCRYPTED); |
| 4174 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4175 | |
| 4176 | /* It is possible that we decrypted the link to perform role switch */ |
| 4177 | /* mark link not to be encrypted, so that when we execute security next time it will kick in again */ |
| 4178 | if ((status == HCI_SUCCESS) && !encr_enable) |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4179 | { |
| 4180 | if (p_dev_rec->hci_handle == handle) |
| 4181 | p_dev_rec->sec_flags &= ~BTM_SEC_ENCRYPTED; |
| 4182 | else |
| 4183 | p_dev_rec->sec_flags &= ~BTM_SEC_LE_ENCRYPTED; |
| 4184 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4185 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4186 | BTM_TRACE_DEBUG ("after update p_dev_rec->sec_flags=0x%x", p_dev_rec->sec_flags ); |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 4187 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4188 | #if BLE_INCLUDED == TRUE && SMP_INCLUDED == TRUE |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4189 | if (acl_idx != MAX_L2CAP_LINKS ) |
| 4190 | p_acl = &btm_cb.acl_db[acl_idx]; |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 4191 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4192 | if (p_acl && p_acl->transport == BT_TRANSPORT_LE) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4193 | { |
| 4194 | btm_ble_link_encrypted(p_dev_rec->bd_addr, encr_enable); |
| 4195 | return; |
| 4196 | } |
| 4197 | else |
| 4198 | /* BR/EDR connection, update the encryption key size to be 16 as always */ |
| 4199 | p_dev_rec->enc_key_size = 16; |
| 4200 | #endif |
| 4201 | |
| 4202 | /* If this encryption was started by peer do not need to do anything */ |
| 4203 | if (p_dev_rec->sec_state != BTM_SEC_STATE_ENCRYPTING) |
| 4204 | { |
| 4205 | if (BTM_SEC_STATE_DELAY_FOR_ENC == p_dev_rec->sec_state) |
| 4206 | { |
| 4207 | p_dev_rec->sec_state = BTM_SEC_STATE_IDLE; |
| 4208 | p_dev_rec->p_callback = NULL; |
| 4209 | l2cu_resubmit_pending_sec_req (p_dev_rec->bd_addr); |
| 4210 | } |
| 4211 | return; |
| 4212 | } |
| 4213 | |
| 4214 | p_dev_rec->sec_state = BTM_SEC_STATE_IDLE; |
| 4215 | |
| 4216 | /* If encryption setup failed, notify the waiting layer */ |
| 4217 | if (status != HCI_SUCCESS) |
| 4218 | { |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4219 | btm_sec_dev_rec_cback_event (p_dev_rec, BTM_ERR_PROCESSING, FALSE); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4220 | return; |
| 4221 | } |
| 4222 | |
| 4223 | /* Encryption setup succeeded, execute the next security procedure, if any */ |
| 4224 | status = (UINT8)btm_sec_execute_procedure (p_dev_rec); |
| 4225 | |
| 4226 | /* If there is no next procedure, or procedure failed to start, notify the caller */ |
| 4227 | if (status != BTM_CMD_STARTED) |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4228 | btm_sec_dev_rec_cback_event (p_dev_rec, status, FALSE); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4229 | } |
| 4230 | |
| 4231 | /******************************************************************************* |
| 4232 | ** |
| 4233 | ** Function btm_sec_create_conn |
| 4234 | ** |
| 4235 | ** Description This function records current role and forwards request to |
| 4236 | ** HCI |
| 4237 | ** |
| 4238 | ** Returns void |
| 4239 | ** |
| 4240 | *******************************************************************************/ |
| 4241 | BOOLEAN btm_sec_create_conn (BD_ADDR bda, UINT16 packet_types, |
| 4242 | UINT8 page_scan_rep_mode, UINT8 page_scan_mode, |
| 4243 | UINT16 clock_offset, UINT8 allow_switch) |
| 4244 | { |
| 4245 | tBTM_SEC_DEV_REC *p_dev_rec = btm_find_or_alloc_dev (bda); |
| 4246 | |
| 4247 | memcpy (btm_cb.connecting_bda, p_dev_rec->bd_addr, BD_ADDR_LEN); |
| 4248 | memcpy (btm_cb.connecting_dc, p_dev_rec->dev_class, DEV_CLASS_LEN); |
| 4249 | |
| 4250 | btm_cb.acl_disc_reason = 0xff ; |
| 4251 | |
| 4252 | p_dev_rec->sec_state = BTM_SEC_STATE_IDLE; |
| 4253 | p_dev_rec->role_master = TRUE; |
| 4254 | |
| 4255 | /* If any SCO link up, do not allow a switch */ |
| 4256 | if (BTM_GetNumScoLinks() != 0) |
| 4257 | allow_switch = HCI_CR_CONN_NOT_ALLOW_SWITCH; |
| 4258 | |
| 4259 | return(btsnd_hcic_create_conn (bda, packet_types, page_scan_rep_mode, |
| 4260 | page_scan_mode, clock_offset, allow_switch)); |
| 4261 | } |
| 4262 | |
| 4263 | /******************************************************************************* |
| 4264 | ** |
| 4265 | ** Function btm_sec_connect_after_reject_timeout |
| 4266 | ** |
| 4267 | ** Description Connection for bonding could not start because of the collision |
| 4268 | ** Initiate outgoing connection |
| 4269 | ** |
| 4270 | ** Returns Pointer to the TLE struct |
| 4271 | ** |
| 4272 | *******************************************************************************/ |
| 4273 | static void btm_sec_connect_after_reject_timeout (TIMER_LIST_ENT *p_tle) |
| 4274 | { |
| 4275 | tBTM_SEC_DEV_REC *p_dev_rec = btm_cb.p_collided_dev_rec; |
Mike J. Chen | 5cd8bff | 2014-01-31 18:16:59 -0800 | [diff] [blame] | 4276 | UNUSED(p_tle); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4277 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4278 | BTM_TRACE_EVENT ("btm_sec_connect_after_reject_timeout()"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4279 | btm_cb.sec_collision_tle.param = 0; |
| 4280 | btm_cb.p_collided_dev_rec = 0; |
| 4281 | |
| 4282 | if (btm_sec_dd_create_conn(p_dev_rec) != BTM_CMD_STARTED) |
| 4283 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4284 | BTM_TRACE_WARNING ("Security Manager: btm_sec_connect_after_reject_timeout: failed to start connection"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4285 | |
| 4286 | btm_sec_change_pairing_state (BTM_PAIR_STATE_IDLE); |
| 4287 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4288 | if (btm_cb.api.p_auth_complete_callback) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4289 | (*btm_cb.api.p_auth_complete_callback) (p_dev_rec->bd_addr, p_dev_rec->dev_class, |
| 4290 | p_dev_rec->sec_bd_name, HCI_ERR_MEMORY_FULL); |
| 4291 | } |
| 4292 | } |
| 4293 | |
| 4294 | /******************************************************************************* |
| 4295 | ** |
| 4296 | ** Function btm_sec_connected |
| 4297 | ** |
| 4298 | ** Description This function is when a connection to the peer device is |
| 4299 | ** establsihed |
| 4300 | ** |
| 4301 | ** Returns void |
| 4302 | ** |
| 4303 | *******************************************************************************/ |
| 4304 | void btm_sec_connected (UINT8 *bda, UINT16 handle, UINT8 status, UINT8 enc_mode) |
| 4305 | { |
| 4306 | tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev (bda); |
| 4307 | UINT8 res; |
| 4308 | BOOLEAN is_pairing_device = FALSE; |
| 4309 | tACL_CONN *p_acl_cb; |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4310 | UINT8 bit_shift = 0; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4311 | |
| 4312 | btm_acl_resubmit_page(); |
| 4313 | |
| 4314 | /* Commenting out trace due to obf/compilation problems. |
| 4315 | */ |
| 4316 | #if (BT_USE_TRACES == TRUE) |
| 4317 | if (p_dev_rec) |
| 4318 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4319 | BTM_TRACE_EVENT ("Security Manager: btm_sec_connected in state: %s handle:%d status:%d enc_mode:%d bda:%x RName:%s", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4320 | btm_pair_state_descr(btm_cb.pairing_state), handle, status, enc_mode, |
| 4321 | (bda[2]<<24)+(bda[3]<<16)+(bda[4]<<8)+bda[5], |
| 4322 | p_dev_rec->sec_bd_name); |
| 4323 | } |
| 4324 | else |
| 4325 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4326 | BTM_TRACE_EVENT ("Security Manager: btm_sec_connected in state: %s handle:%d status:%d enc_mode:%d bda:%x ", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4327 | btm_pair_state_descr(btm_cb.pairing_state), handle, status, enc_mode, |
| 4328 | (bda[2]<<24)+(bda[3]<<16)+(bda[4]<<8)+bda[5]); |
| 4329 | } |
| 4330 | #endif |
| 4331 | |
| 4332 | if (!p_dev_rec) |
| 4333 | { |
| 4334 | /* There is no device record for new connection. Allocate one */ |
| 4335 | if (status == HCI_SUCCESS) |
| 4336 | { |
| 4337 | p_dev_rec = btm_sec_alloc_dev (bda); |
| 4338 | } |
| 4339 | else |
| 4340 | { |
| 4341 | /* can not find the device record and the status is error, |
| 4342 | * just ignore it */ |
| 4343 | return; |
| 4344 | } |
| 4345 | } |
| 4346 | else /* Update the timestamp for this device */ |
| 4347 | { |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4348 | |
| 4349 | #if BLE_INCLUDED == TRUE |
| 4350 | bit_shift = (handle == p_dev_rec->ble_hci_handle) ? 8 :0; |
| 4351 | #endif |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4352 | p_dev_rec->timestamp = btm_cb.dev_rec_count++; |
| 4353 | if (p_dev_rec->sm4 & BTM_SM4_CONN_PEND) |
| 4354 | { |
| 4355 | /* tell L2CAP it's a bonding connection. */ |
| 4356 | if ( (btm_cb.pairing_state != BTM_PAIR_STATE_IDLE) |
| 4357 | && (memcmp (btm_cb.pairing_bda, p_dev_rec->bd_addr, BD_ADDR_LEN) == 0) |
| 4358 | && (btm_cb.pairing_flags & BTM_PAIR_FLAGS_WE_STARTED_DD) ) |
| 4359 | { |
| 4360 | /* if incoming connection failed while pairing, then try to connect and continue */ |
| 4361 | /* Motorola S9 disconnects without asking pin code */ |
| 4362 | if ((status != HCI_SUCCESS)&&(btm_cb.pairing_state == BTM_PAIR_STATE_WAIT_PIN_REQ)) |
| 4363 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4364 | BTM_TRACE_WARNING ("Security Manager: btm_sec_connected: incoming connection failed without asking PIN"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4365 | |
| 4366 | p_dev_rec->sm4 &= ~BTM_SM4_CONN_PEND; |
| 4367 | if (p_dev_rec->sec_flags & BTM_SEC_NAME_KNOWN) |
| 4368 | { |
| 4369 | /* Start timer with 0 to initiate connection with new LCB */ |
| 4370 | /* because L2CAP will delete current LCB with this event */ |
| 4371 | btm_cb.p_collided_dev_rec = p_dev_rec; |
| 4372 | btm_cb.sec_collision_tle.param = (UINT32) btm_sec_connect_after_reject_timeout; |
| 4373 | btu_start_timer (&btm_cb.sec_collision_tle, BTU_TTYPE_USER_FUNC, 0); |
| 4374 | } |
| 4375 | else |
| 4376 | { |
| 4377 | btm_sec_change_pairing_state (BTM_PAIR_STATE_GET_REM_NAME); |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4378 | BTM_ReadRemoteDeviceName(p_dev_rec->bd_addr, NULL, BT_TRANSPORT_BR_EDR); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4379 | } |
| 4380 | #if BTM_DISC_DURING_RS == TRUE |
| 4381 | p_dev_rec->rs_disc_pending = BTM_SEC_RS_NOT_PENDING; /* reset flag */ |
| 4382 | #endif |
| 4383 | return; |
| 4384 | } |
| 4385 | else |
| 4386 | { |
| 4387 | l2cu_update_lcb_4_bonding(p_dev_rec->bd_addr, TRUE); |
| 4388 | } |
| 4389 | } |
| 4390 | /* always clear the pending flag */ |
| 4391 | p_dev_rec->sm4 &= ~BTM_SM4_CONN_PEND; |
| 4392 | } |
| 4393 | } |
| 4394 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4395 | #if BLE_INCLUDED == TRUE |
| 4396 | p_dev_rec->device_type |= BT_DEVICE_TYPE_BREDR; |
| 4397 | #endif |
| 4398 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4399 | #if BTM_DISC_DURING_RS == TRUE |
| 4400 | p_dev_rec->rs_disc_pending = BTM_SEC_RS_NOT_PENDING; /* reset flag */ |
| 4401 | #endif |
| 4402 | |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 4403 | p_dev_rec->rs_disc_pending = BTM_SEC_RS_NOT_PENDING; /* reset flag */ |
| 4404 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4405 | if ( (btm_cb.pairing_state != BTM_PAIR_STATE_IDLE) |
| 4406 | && (memcmp (btm_cb.pairing_bda, bda, BD_ADDR_LEN) == 0) ) |
| 4407 | { |
| 4408 | /* if we rejected incoming connection from bonding device */ |
| 4409 | if ((status == HCI_ERR_HOST_REJECT_DEVICE) |
| 4410 | &&(btm_cb.pairing_flags & BTM_PAIR_FLAGS_REJECTED_CONNECT)) |
| 4411 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4412 | BTM_TRACE_WARNING ("Security Manager: btm_sec_connected: HCI_Conn_Comp Flags:0x%04x, sm4: 0x%x", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4413 | btm_cb.pairing_flags, p_dev_rec->sm4); |
| 4414 | |
| 4415 | btm_cb.pairing_flags &= ~BTM_PAIR_FLAGS_REJECTED_CONNECT; |
| 4416 | if (BTM_SEC_IS_SM4_UNKNOWN(p_dev_rec->sm4)) |
| 4417 | { |
| 4418 | /* Try again: RNR when no ACL causes HCI_RMT_HOST_SUP_FEAT_NOTIFY_EVT */ |
| 4419 | btm_sec_change_pairing_state (BTM_PAIR_STATE_GET_REM_NAME); |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4420 | BTM_ReadRemoteDeviceName(bda, NULL, BT_TRANSPORT_BR_EDR); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4421 | return; |
| 4422 | } |
| 4423 | |
| 4424 | /* if we already have pin code */ |
| 4425 | if (btm_cb.pairing_state != BTM_PAIR_STATE_WAIT_LOCAL_PIN) |
| 4426 | { |
| 4427 | /* Start timer with 0 to initiate connection with new LCB */ |
| 4428 | /* because L2CAP will delete current LCB with this event */ |
| 4429 | btm_cb.p_collided_dev_rec = p_dev_rec; |
| 4430 | btm_cb.sec_collision_tle.param = (UINT32) btm_sec_connect_after_reject_timeout; |
| 4431 | btu_start_timer (&btm_cb.sec_collision_tle, BTU_TTYPE_USER_FUNC, 0); |
| 4432 | } |
| 4433 | |
| 4434 | return; |
| 4435 | } |
| 4436 | /* wait for incoming connection without resetting pairing state */ |
| 4437 | else if (status == HCI_ERR_CONNECTION_EXISTS) |
| 4438 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4439 | BTM_TRACE_WARNING ("Security Manager: btm_sec_connected: Wait for incoming connection"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4440 | return; |
| 4441 | } |
| 4442 | |
| 4443 | is_pairing_device = TRUE; |
| 4444 | } |
| 4445 | |
| 4446 | /* If connection was made to do bonding restore link security if changed */ |
| 4447 | btm_restore_mode(); |
| 4448 | |
| 4449 | /* if connection fails during pin request, notify application */ |
| 4450 | if (status != HCI_SUCCESS) |
| 4451 | { |
| 4452 | /* If connection failed because of during pairing, need to tell user */ |
| 4453 | if (is_pairing_device) |
| 4454 | { |
| 4455 | p_dev_rec->security_required &= ~BTM_SEC_OUT_AUTHENTICATE; |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4456 | p_dev_rec->sec_flags &= ~((BTM_SEC_LINK_KEY_KNOWN | BTM_SEC_LINK_KEY_AUTHED) << bit_shift); |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4457 | BTM_TRACE_DEBUG ("security_required:%x ", p_dev_rec->security_required ); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4458 | |
| 4459 | btm_sec_change_pairing_state (BTM_PAIR_STATE_IDLE); |
| 4460 | |
| 4461 | /* We need to notify host that the key is not known any more */ |
| 4462 | if (btm_cb.api.p_auth_complete_callback) |
| 4463 | { |
| 4464 | (*btm_cb.api.p_auth_complete_callback) (p_dev_rec->bd_addr, |
| 4465 | p_dev_rec->dev_class, |
| 4466 | p_dev_rec->sec_bd_name, status); |
| 4467 | } |
| 4468 | } |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4469 | /* |
| 4470 | Do not send authentication failure, if following conditions hold good |
| 4471 | 1. BTM Sec Pairing state is idle |
| 4472 | 2. Link key for the remote device is present. |
| 4473 | 3. Remote is SSP capable. |
| 4474 | */ |
| 4475 | else if ((p_dev_rec->link_key_type <= BTM_LKEY_TYPE_REMOTE_UNIT) && |
| 4476 | (((status == HCI_ERR_AUTH_FAILURE) || |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4477 | (status == HCI_ERR_KEY_MISSING) || |
| 4478 | (status == HCI_ERR_HOST_REJECT_SECURITY) || |
| 4479 | (status == HCI_ERR_PAIRING_NOT_ALLOWED) || |
| 4480 | (status == HCI_ERR_UNIT_KEY_USED) || |
| 4481 | (status == HCI_ERR_PAIRING_WITH_UNIT_KEY_NOT_SUPPORTED) || |
| 4482 | (status == HCI_ERR_ENCRY_MODE_NOT_ACCEPTABLE) || |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4483 | (status == HCI_ERR_REPEATED_ATTEMPTS)))) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4484 | { |
| 4485 | p_dev_rec->security_required &= ~BTM_SEC_OUT_AUTHENTICATE; |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4486 | p_dev_rec->sec_flags &= ~ (BTM_SEC_LE_LINK_KEY_KNOWN << bit_shift); |
| 4487 | |
| 4488 | |
| 4489 | #ifdef BRCM_NOT_4_BTE |
| 4490 | /* If we rejected pairing, pass this special result code */ |
| 4491 | if (btm_cb.acl_disc_reason == HCI_ERR_HOST_REJECT_SECURITY) |
| 4492 | { |
| 4493 | status = HCI_ERR_HOST_REJECT_SECURITY; |
| 4494 | } |
| 4495 | #endif |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4496 | |
| 4497 | /* We need to notify host that the key is not known any more */ |
| 4498 | if (btm_cb.api.p_auth_complete_callback) |
| 4499 | { |
| 4500 | (*btm_cb.api.p_auth_complete_callback) (p_dev_rec->bd_addr, |
| 4501 | p_dev_rec->dev_class, |
| 4502 | p_dev_rec->sec_bd_name, status); |
| 4503 | } |
| 4504 | } |
| 4505 | |
| 4506 | if (status == HCI_ERR_CONNECTION_TOUT || status == HCI_ERR_LMP_RESPONSE_TIMEOUT || |
| 4507 | status == HCI_ERR_UNSPECIFIED || status == HCI_ERR_PAGE_TIMEOUT) |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4508 | btm_sec_dev_rec_cback_event (p_dev_rec, BTM_DEVICE_TIMEOUT, FALSE); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4509 | else |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4510 | btm_sec_dev_rec_cback_event (p_dev_rec, BTM_ERR_PROCESSING, FALSE); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4511 | |
| 4512 | return; |
| 4513 | } |
| 4514 | |
| 4515 | /* If initiated dedicated bonding, return the link key now, and initiate disconnect */ |
| 4516 | /* If dedicated bonding, and we now have a link key, we are all done */ |
| 4517 | if ( is_pairing_device |
| 4518 | && (p_dev_rec->sec_flags & BTM_SEC_LINK_KEY_KNOWN) ) |
| 4519 | { |
| 4520 | if (p_dev_rec->link_key_not_sent) |
| 4521 | { |
| 4522 | p_dev_rec->link_key_not_sent = FALSE; |
| 4523 | btm_send_link_key_notif(p_dev_rec); |
| 4524 | } |
| 4525 | |
| 4526 | p_dev_rec->security_required &= ~BTM_SEC_OUT_AUTHENTICATE; |
| 4527 | |
| 4528 | /* remember flag before it is initialized */ |
| 4529 | if (btm_cb.pairing_flags & BTM_PAIR_FLAGS_WE_STARTED_DD) |
| 4530 | res = TRUE; |
| 4531 | else |
| 4532 | res = FALSE; |
| 4533 | |
| 4534 | if (btm_cb.api.p_auth_complete_callback) |
| 4535 | (*btm_cb.api.p_auth_complete_callback) (p_dev_rec->bd_addr, |
| 4536 | p_dev_rec->dev_class, |
| 4537 | p_dev_rec->sec_bd_name, HCI_SUCCESS); |
| 4538 | |
| 4539 | btm_sec_change_pairing_state (BTM_PAIR_STATE_IDLE); |
| 4540 | |
| 4541 | if ( res ) |
| 4542 | { |
| 4543 | /* Let l2cap start bond timer */ |
| 4544 | l2cu_update_lcb_4_bonding (p_dev_rec->bd_addr, TRUE); |
| 4545 | } |
| 4546 | |
| 4547 | return; |
| 4548 | } |
| 4549 | |
| 4550 | p_dev_rec->hci_handle = handle; |
| 4551 | |
| 4552 | /* role may not be correct here, it will be updated by l2cap, but we need to */ |
| 4553 | /* notify btm_acl that link is up, so starting of rmt name request will not */ |
| 4554 | /* set paging flag up */ |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4555 | p_acl_cb = btm_bda_to_acl(bda, BT_TRANSPORT_BR_EDR); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4556 | if (p_acl_cb) |
| 4557 | { |
| 4558 | /* whatever is in btm_establish_continue() without reporting the BTM_BL_CONN_EVT event */ |
| 4559 | #if (!defined(BTM_BYPASS_EXTRA_ACL_SETUP) || BTM_BYPASS_EXTRA_ACL_SETUP == FALSE) |
| 4560 | /* For now there are a some devices that do not like sending */ |
| 4561 | /* commands events and data at the same time. */ |
| 4562 | /* Set the packet types to the default allowed by the device */ |
| 4563 | btm_set_packet_types (p_acl_cb, btm_cb.btm_acl_pkt_types_supported); |
| 4564 | |
| 4565 | if (btm_cb.btm_def_link_policy) |
| 4566 | BTM_SetLinkPolicy (p_acl_cb->remote_addr, &btm_cb.btm_def_link_policy); |
| 4567 | #endif |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4568 | } |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4569 | btm_acl_created (bda, p_dev_rec->dev_class, p_dev_rec->sec_bd_name, handle, HCI_ROLE_SLAVE, BT_TRANSPORT_BR_EDR); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4570 | |
| 4571 | /* Initialize security flags. We need to do that because some */ |
| 4572 | /* authorization complete could have come after the connection is dropped */ |
| 4573 | /* and that would set wrong flag that link has been authorized already */ |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4574 | p_dev_rec->sec_flags &= ~((BTM_SEC_AUTHORIZED | BTM_SEC_AUTHENTICATED | |
| 4575 | BTM_SEC_ENCRYPTED | BTM_SEC_ROLE_SWITCHED) << bit_shift); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4576 | |
| 4577 | if (enc_mode != HCI_ENCRYPT_MODE_DISABLED) |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4578 | p_dev_rec->sec_flags |= ((BTM_SEC_AUTHENTICATED | BTM_SEC_ENCRYPTED) << bit_shift); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4579 | |
| 4580 | if (btm_cb.security_mode == BTM_SEC_MODE_LINK) |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4581 | p_dev_rec->sec_flags |= (BTM_SEC_AUTHENTICATED << bit_shift); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4582 | |
| 4583 | p_dev_rec->link_key_changed = FALSE; |
| 4584 | |
| 4585 | /* After connection is established we perform security if we do not know */ |
| 4586 | /* the name, or if we are originator because some procedure can have */ |
| 4587 | /* been scheduled while connection was down */ |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4588 | BTM_TRACE_DEBUG ("is_originator:%d ", p_dev_rec->is_originator); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4589 | if (!(p_dev_rec->sec_flags & BTM_SEC_NAME_KNOWN) || p_dev_rec->is_originator) |
| 4590 | { |
| 4591 | if ((res = btm_sec_execute_procedure (p_dev_rec)) != BTM_CMD_STARTED) |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4592 | btm_sec_dev_rec_cback_event (p_dev_rec, res, FALSE); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4593 | } |
| 4594 | return; |
| 4595 | } |
| 4596 | |
| 4597 | /******************************************************************************* |
| 4598 | ** |
| 4599 | ** Function btm_sec_role_changed |
| 4600 | ** |
| 4601 | ** Description This function is colled when controller reports role |
| 4602 | ** changed, or failed command status for Role Change request |
| 4603 | ** |
| 4604 | ** Returns void |
| 4605 | ** |
| 4606 | *******************************************************************************/ |
| 4607 | void btm_sec_role_changed (void *p_ref_data) |
| 4608 | { |
| 4609 | tBTM_SEC_DEV_REC *p_dev_rec = (tBTM_SEC_DEV_REC *)p_ref_data; |
| 4610 | UINT8 res; |
| 4611 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4612 | BTM_TRACE_EVENT ("Security Manager: role changed"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4613 | |
| 4614 | /* If this role switch was started by peer do not need to do anything */ |
| 4615 | if (p_dev_rec->sec_state != BTM_SEC_STATE_SWITCHING_ROLE) |
| 4616 | return; |
| 4617 | |
| 4618 | /* If serurity required was to FORCE switch and it failed, notify the waiting layer */ |
| 4619 | if (((p_dev_rec->security_required & BTM_SEC_FORCE_MASTER) && !p_dev_rec->role_master) |
| 4620 | || ((p_dev_rec->security_required & BTM_SEC_FORCE_SLAVE) && p_dev_rec->role_master)) |
| 4621 | { |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4622 | btm_sec_dev_rec_cback_event (p_dev_rec, BTM_ERR_PROCESSING, FALSE); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4623 | return; |
| 4624 | } |
| 4625 | |
| 4626 | p_dev_rec->sec_flags |= BTM_SEC_ROLE_SWITCHED; |
| 4627 | |
| 4628 | p_dev_rec->security_required &= ~(BTM_SEC_FORCE_MASTER | BTM_SEC_ATTEMPT_MASTER | |
| 4629 | BTM_SEC_FORCE_SLAVE | BTM_SEC_ATTEMPT_SLAVE); |
| 4630 | |
| 4631 | p_dev_rec->sec_state = BTM_SEC_STATE_IDLE; |
| 4632 | |
| 4633 | if ((res = (UINT8)btm_sec_execute_procedure (p_dev_rec)) != BTM_CMD_STARTED) |
| 4634 | { |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4635 | btm_sec_dev_rec_cback_event (p_dev_rec, res, FALSE); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4636 | } |
| 4637 | } |
| 4638 | |
| 4639 | /******************************************************************************* |
| 4640 | ** |
| 4641 | ** Function btm_sec_disconnect |
| 4642 | ** |
| 4643 | ** Description This function is called to disconnect HCI link |
| 4644 | ** |
| 4645 | ** Returns btm status |
| 4646 | ** |
| 4647 | *******************************************************************************/ |
| 4648 | tBTM_STATUS btm_sec_disconnect (UINT16 handle, UINT8 reason) |
| 4649 | { |
| 4650 | tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev_by_handle (handle); |
| 4651 | |
| 4652 | /* In some weird race condition we may not have a record */ |
| 4653 | if (!p_dev_rec) |
| 4654 | { |
| 4655 | btsnd_hcic_disconnect (handle, reason); |
| 4656 | return(BTM_SUCCESS); |
| 4657 | } |
| 4658 | |
| 4659 | /* If we are in the process of bonding we need to tell client that auth failed */ |
| 4660 | if ( (btm_cb.pairing_state != BTM_PAIR_STATE_IDLE) |
| 4661 | && (memcmp (btm_cb.pairing_bda, p_dev_rec->bd_addr, BD_ADDR_LEN) == 0) |
| 4662 | && (btm_cb.pairing_flags & BTM_PAIR_FLAGS_WE_STARTED_DD) ) |
| 4663 | { |
| 4664 | /* we are currently doing bonding. Link will be disconnected when done */ |
| 4665 | btm_cb.pairing_flags |= BTM_PAIR_FLAGS_DISC_WHEN_DONE; |
| 4666 | return(BTM_BUSY); |
| 4667 | } |
| 4668 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4669 | return(btm_sec_send_hci_disconnect(p_dev_rec, reason, handle)); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4670 | } |
| 4671 | |
| 4672 | /******************************************************************************* |
| 4673 | ** |
| 4674 | ** Function btm_sec_disconnected |
| 4675 | ** |
| 4676 | ** Description This function is when a connection to the peer device is |
| 4677 | ** dropped |
| 4678 | ** |
| 4679 | ** Returns void |
| 4680 | ** |
| 4681 | *******************************************************************************/ |
| 4682 | void btm_sec_disconnected (UINT16 handle, UINT8 reason) |
| 4683 | { |
| 4684 | tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev_by_handle (handle); |
| 4685 | UINT8 old_pairing_flags = btm_cb.pairing_flags; |
| 4686 | int result = HCI_ERR_AUTH_FAILURE; |
Andre Eisenbach | ca22ac4 | 2013-02-13 17:02:11 +0900 | [diff] [blame] | 4687 | tBTM_SEC_CALLBACK *p_callback = NULL; |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4688 | tBT_TRANSPORT transport = BT_TRANSPORT_BR_EDR; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4689 | |
| 4690 | /* If page was delayed for disc complete, can do it now */ |
| 4691 | btm_cb.discing = FALSE; |
| 4692 | |
| 4693 | btm_acl_resubmit_page(); |
| 4694 | |
| 4695 | if (!p_dev_rec) |
| 4696 | return; |
| 4697 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4698 | transport = (handle == p_dev_rec->hci_handle) ? BT_TRANSPORT_BR_EDR: BT_TRANSPORT_LE; |
| 4699 | |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 4700 | p_dev_rec->rs_disc_pending = BTM_SEC_RS_NOT_PENDING; /* reset flag */ |
| 4701 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4702 | #if BTM_DISC_DURING_RS == TRUE |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4703 | BTM_TRACE_ERROR("btm_sec_disconnected - Clearing Pending flag"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4704 | p_dev_rec->rs_disc_pending = BTM_SEC_RS_NOT_PENDING; /* reset flag */ |
| 4705 | #endif |
| 4706 | |
| 4707 | /* clear unused flags */ |
| 4708 | p_dev_rec->sm4 &= BTM_SM4_TRUE; |
| 4709 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4710 | BTM_TRACE_EVENT("btm_sec_disconnected() sec_req:x%x State: %s reason:%d bda:%04x%08x RName:%s", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4711 | p_dev_rec->security_required, btm_pair_state_descr(btm_cb.pairing_state), reason, (p_dev_rec->bd_addr[0]<<8)+p_dev_rec->bd_addr[1], |
| 4712 | (p_dev_rec->bd_addr[2]<<24)+(p_dev_rec->bd_addr[3]<<16)+(p_dev_rec->bd_addr[4]<<8)+p_dev_rec->bd_addr[5], p_dev_rec->sec_bd_name); |
| 4713 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4714 | BTM_TRACE_EVENT("before Update sec_flags=0x%x", p_dev_rec->sec_flags); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4715 | |
| 4716 | /* If we are in the process of bonding we need to tell client that auth failed */ |
| 4717 | if ( (btm_cb.pairing_state != BTM_PAIR_STATE_IDLE) |
| 4718 | && (memcmp (btm_cb.pairing_bda, p_dev_rec->bd_addr, BD_ADDR_LEN) == 0)) |
| 4719 | { |
| 4720 | btm_sec_change_pairing_state (BTM_PAIR_STATE_IDLE); |
| 4721 | p_dev_rec->sec_flags &= ~BTM_SEC_LINK_KEY_KNOWN; |
| 4722 | if (btm_cb.api.p_auth_complete_callback) |
| 4723 | { |
| 4724 | /* If the disconnection reason is REPEATED_ATTEMPTS, |
| 4725 | send this error message to complete callback function |
| 4726 | to display the error message of Repeated attempts. |
| 4727 | All others, send HCI_ERR_AUTH_FAILURE. */ |
| 4728 | if (reason == HCI_ERR_REPEATED_ATTEMPTS) |
| 4729 | { |
| 4730 | result = HCI_ERR_REPEATED_ATTEMPTS; |
| 4731 | } |
| 4732 | else if (old_pairing_flags & BTM_PAIR_FLAGS_WE_STARTED_DD) |
| 4733 | { |
| 4734 | result = HCI_ERR_HOST_REJECT_SECURITY; |
| 4735 | } |
| 4736 | (*btm_cb.api.p_auth_complete_callback) (p_dev_rec->bd_addr, p_dev_rec->dev_class, |
| 4737 | p_dev_rec->sec_bd_name, result); |
| 4738 | } |
| 4739 | } |
| 4740 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4741 | #if BLE_INCLUDED == TRUE && SMP_INCLUDED == TRUE |
| 4742 | p_dev_rec->enc_key_size = 0; |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 4743 | btm_ble_update_mode_operation(HCI_ROLE_UNKNOWN, p_dev_rec->bd_addr, FALSE); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4744 | /* see sec_flags processing in btm_acl_removed */ |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4745 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4746 | if (transport == BT_TRANSPORT_LE) |
| 4747 | { |
| 4748 | p_dev_rec->ble_hci_handle = BTM_SEC_INVALID_HANDLE; |
| 4749 | p_dev_rec->sec_flags &= ~(BTM_SEC_LE_AUTHENTICATED|BTM_SEC_LE_ENCRYPTED); |
| 4750 | } |
| 4751 | else |
| 4752 | #endif |
| 4753 | { |
| 4754 | p_dev_rec->hci_handle = BTM_SEC_INVALID_HANDLE; |
| 4755 | p_dev_rec->sec_flags &= ~(BTM_SEC_AUTHORIZED | BTM_SEC_AUTHENTICATED | BTM_SEC_ENCRYPTED | BTM_SEC_ROLE_SWITCHED); |
| 4756 | } |
| 4757 | |
| 4758 | p_dev_rec->sec_state = BTM_SEC_STATE_IDLE; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4759 | p_dev_rec->security_required = BTM_SEC_NONE; |
Andre Eisenbach | ca22ac4 | 2013-02-13 17:02:11 +0900 | [diff] [blame] | 4760 | |
| 4761 | p_callback = p_dev_rec->p_callback; |
| 4762 | |
| 4763 | /* if security is pending, send callback to clean up the security state */ |
| 4764 | if(p_callback) |
| 4765 | { |
| 4766 | p_dev_rec->p_callback = NULL; /* when the peer device time out the authentication before |
| 4767 | we do, this call back must be reset here */ |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 4768 | (*p_callback) (p_dev_rec->bd_addr, transport, p_dev_rec->p_ref_data, BTM_ERR_PROCESSING); |
Andre Eisenbach | ca22ac4 | 2013-02-13 17:02:11 +0900 | [diff] [blame] | 4769 | } |
| 4770 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4771 | BTM_TRACE_EVENT("after Update sec_flags=0x%x", p_dev_rec->sec_flags); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4772 | } |
| 4773 | |
| 4774 | /******************************************************************************* |
| 4775 | ** |
| 4776 | ** Function btm_sec_link_key_notification |
| 4777 | ** |
| 4778 | ** Description This function is called when a new connection link key is |
| 4779 | ** generated |
| 4780 | ** |
| 4781 | ** Returns Pointer to the record or NULL |
| 4782 | ** |
| 4783 | *******************************************************************************/ |
| 4784 | void btm_sec_link_key_notification (UINT8 *p_bda, UINT8 *p_link_key, UINT8 key_type) |
| 4785 | { |
| 4786 | tBTM_SEC_DEV_REC *p_dev_rec = btm_find_or_alloc_dev (p_bda); |
| 4787 | BOOLEAN we_are_bonding = FALSE; |
| 4788 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4789 | BTM_TRACE_EVENT ("btm_sec_link_key_notification() BDA:%04x%08x, TYPE: %d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4790 | (p_bda[0]<<8)+p_bda[1], (p_bda[2]<<24)+(p_bda[3]<<16)+(p_bda[4]<<8)+p_bda[5], |
| 4791 | key_type); |
| 4792 | |
| 4793 | /* If connection was made to do bonding restore link security if changed */ |
| 4794 | btm_restore_mode(); |
| 4795 | |
| 4796 | /* Override the key type if version is pre-1.1 */ |
| 4797 | if (btm_cb.devcb.local_version.hci_version < HCI_VERSION_1_1) |
| 4798 | p_dev_rec->link_key_type = BTM_LKEY_TYPE_IGNORE; |
| 4799 | if (key_type != BTM_LKEY_TYPE_CHANGED_COMB) |
| 4800 | p_dev_rec->link_key_type = key_type; |
| 4801 | |
| 4802 | p_dev_rec->sec_flags |= BTM_SEC_LINK_KEY_KNOWN; |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 4803 | #if (BLE_INCLUDED == TRUE) |
| 4804 | /* BR/EDR connection, update the encryption key size to be 16 as always */ |
| 4805 | p_dev_rec->enc_key_size = 16; |
| 4806 | #endif |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4807 | memcpy (p_dev_rec->link_key, p_link_key, LINK_KEY_LEN); |
| 4808 | |
| 4809 | if ( (btm_cb.pairing_state != BTM_PAIR_STATE_IDLE) |
| 4810 | && (memcmp (btm_cb.pairing_bda, p_bda, BD_ADDR_LEN) == 0) ) |
| 4811 | { |
| 4812 | if (btm_cb.pairing_flags & BTM_PAIR_FLAGS_WE_STARTED_DD) |
| 4813 | we_are_bonding = TRUE; |
| 4814 | else |
| 4815 | btm_sec_change_pairing_state (BTM_PAIR_STATE_IDLE); |
| 4816 | } |
| 4817 | |
| 4818 | /* If name is not known at this point delay calling callback until the name is */ |
| 4819 | /* resolved. Unless it is a HID Device and we really need to send all link keys. */ |
| 4820 | if ((!(p_dev_rec->sec_flags & BTM_SEC_NAME_KNOWN) |
| 4821 | && ((p_dev_rec->dev_class[1] & BTM_COD_MAJOR_CLASS_MASK) != BTM_COD_MAJOR_PERIPHERAL)) ) |
| 4822 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4823 | BTM_TRACE_EVENT ("btm_sec_link_key_notification() Delayed BDA: %08x%04x Type:%d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4824 | (p_bda[0]<<24) + (p_bda[1]<<16) + (p_bda[2]<<8) + p_bda[3], (p_bda[4] << 8) + p_bda[5], key_type); |
| 4825 | |
| 4826 | p_dev_rec->link_key_not_sent = TRUE; |
| 4827 | |
| 4828 | /* If it is for bonding nothing else will follow, so we need to start name resolution */ |
| 4829 | if (we_are_bonding) |
| 4830 | { |
| 4831 | if (!(btsnd_hcic_rmt_name_req (p_bda, HCI_PAGE_SCAN_REP_MODE_R1, HCI_MANDATARY_PAGE_SCAN_MODE, 0))) |
| 4832 | btm_inq_rmt_name_failed(); |
| 4833 | } |
| 4834 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4835 | BTM_TRACE_EVENT ("rmt_io_caps:%d, sec_flags:x%x, dev_class[1]:x%02x", p_dev_rec->rmt_io_caps, p_dev_rec->sec_flags, p_dev_rec->dev_class[1]) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4836 | return; |
| 4837 | } |
| 4838 | |
| 4839 | /* If its not us who perform authentication, we should tell stackserver */ |
| 4840 | /* that some authentication has been completed */ |
| 4841 | /* This is required when different entities receive link notification and auth complete */ |
| 4842 | if (!(p_dev_rec->security_required & BTM_SEC_OUT_AUTHENTICATE)) |
| 4843 | { |
| 4844 | if (btm_cb.api.p_auth_complete_callback) |
| 4845 | (*btm_cb.api.p_auth_complete_callback) (p_dev_rec->bd_addr, p_dev_rec->dev_class, |
| 4846 | p_dev_rec->sec_bd_name, HCI_SUCCESS); |
| 4847 | } |
| 4848 | |
| 4849 | /* We will save link key only if the user authorized it - BTE report link key in all cases */ |
| 4850 | #ifdef BRCM_NONE_BTE |
| 4851 | if (p_dev_rec->sec_flags & BTM_SEC_LINK_KEY_AUTHED) |
| 4852 | #endif |
| 4853 | { |
| 4854 | if (btm_cb.api.p_link_key_callback) |
| 4855 | { |
| 4856 | (*btm_cb.api.p_link_key_callback) (p_bda, p_dev_rec->dev_class, p_dev_rec->sec_bd_name, |
| 4857 | p_link_key, p_dev_rec->link_key_type); |
| 4858 | } |
| 4859 | } |
| 4860 | } |
| 4861 | |
| 4862 | /******************************************************************************* |
| 4863 | ** |
| 4864 | ** Function btm_sec_link_key_request |
| 4865 | ** |
| 4866 | ** Description This function is called when controller requests link key |
| 4867 | ** |
| 4868 | ** Returns Pointer to the record or NULL |
| 4869 | ** |
| 4870 | *******************************************************************************/ |
| 4871 | void btm_sec_link_key_request (UINT8 *p_bda) |
| 4872 | { |
| 4873 | tBTM_SEC_DEV_REC *p_dev_rec = btm_find_or_alloc_dev (p_bda); |
| 4874 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4875 | BTM_TRACE_EVENT ("btm_sec_link_key_request() BDA: %02x:%02x:%02x:%02x:%02x:%02x", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4876 | p_bda[0], p_bda[1], p_bda[2], p_bda[3], p_bda[4], p_bda[5]); |
| 4877 | |
Hemant Gupta | b81d729 | 2014-03-17 15:07:01 +0530 | [diff] [blame] | 4878 | if( (btm_cb.pairing_state == BTM_PAIR_STATE_WAIT_PIN_REQ) && |
| 4879 | (btm_cb.collision_start_time != 0) && |
| 4880 | (memcmp (btm_cb.p_collided_dev_rec->bd_addr, p_bda, BD_ADDR_LEN) == 0) ) |
| 4881 | { |
| 4882 | BTM_TRACE_EVENT ("btm_sec_link_key_request() rejecting link key req " |
| 4883 | "State: %d START_TIMEOUT : %d", |
| 4884 | btm_cb.pairing_state, btm_cb.collision_start_time); |
| 4885 | btsnd_hcic_link_key_neg_reply (p_bda); |
| 4886 | return; |
| 4887 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4888 | if (p_dev_rec->sec_flags & BTM_SEC_LINK_KEY_KNOWN) |
| 4889 | { |
| 4890 | btsnd_hcic_link_key_req_reply (p_bda, p_dev_rec->link_key); |
| 4891 | return; |
| 4892 | } |
| 4893 | |
| 4894 | /* Notify L2CAP to increase timeout */ |
| 4895 | l2c_pin_code_request (p_bda); |
| 4896 | |
| 4897 | /* Only ask the host for a key if this guy is not already bonding */ |
| 4898 | if ( (btm_cb.pairing_state == BTM_PAIR_STATE_IDLE) |
| 4899 | || (memcmp (p_bda, btm_cb.pairing_bda, BD_ADDR_LEN) != 0) ) |
| 4900 | { |
| 4901 | if (btm_cb.api.p_link_key_req_callback) |
| 4902 | { |
| 4903 | if ((*btm_cb.api.p_link_key_req_callback)(p_bda, p_dev_rec->link_key) == BTM_SUCCESS) |
| 4904 | { |
| 4905 | btsnd_hcic_link_key_req_reply (p_bda, p_dev_rec->link_key); |
| 4906 | return; |
| 4907 | } |
| 4908 | } |
| 4909 | } |
| 4910 | |
| 4911 | /* The link key is not in the database and it is not known to the manager */ |
| 4912 | btsnd_hcic_link_key_neg_reply (p_bda); |
| 4913 | } |
| 4914 | |
| 4915 | /******************************************************************************* |
| 4916 | ** |
| 4917 | ** Function btm_sec_pairing_timeout |
| 4918 | ** |
| 4919 | ** Description This function is called when host does not provide PIN |
| 4920 | ** within requested time |
| 4921 | ** |
| 4922 | ** Returns Pointer to the TLE struct |
| 4923 | ** |
| 4924 | *******************************************************************************/ |
| 4925 | static void btm_sec_pairing_timeout (TIMER_LIST_ENT *p_tle) |
| 4926 | { |
| 4927 | tBTM_CB *p_cb = &btm_cb; |
| 4928 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 4929 | #if BTM_OOB_INCLUDED == TRUE |
| 4930 | #if (BTM_LOCAL_IO_CAPS == BTM_IO_CAP_NONE) |
| 4931 | tBTM_AUTH_REQ auth_req = BTM_AUTH_AP_NO; |
| 4932 | #else |
| 4933 | tBTM_AUTH_REQ auth_req = BTM_AUTH_AP_YES; |
| 4934 | #endif |
| 4935 | #endif |
| 4936 | UINT8 name[2]; |
Mike J. Chen | 5cd8bff | 2014-01-31 18:16:59 -0800 | [diff] [blame] | 4937 | UNUSED(p_tle); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4938 | |
| 4939 | p_cb->pairing_tle.param = 0; |
| 4940 | /* Coverity: FALSE-POSITIVE error from Coverity tool. Please do NOT remove following comment. */ |
| 4941 | /* coverity[UNUSED_VALUE] pointer p_dev_rec is actually used several times... This is a Coverity false-positive, i.e. a fake issue. |
| 4942 | */ |
| 4943 | p_dev_rec = btm_find_dev (p_cb->pairing_bda); |
| 4944 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 4945 | BTM_TRACE_EVENT ("btm_sec_pairing_timeout() State: %s Flags: %u", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 4946 | btm_pair_state_descr(p_cb->pairing_state), p_cb->pairing_flags); |
| 4947 | |
| 4948 | switch (p_cb->pairing_state) |
| 4949 | { |
| 4950 | case BTM_PAIR_STATE_WAIT_PIN_REQ: |
| 4951 | btm_sec_bond_cancel_complete(); |
| 4952 | break; |
| 4953 | |
| 4954 | case BTM_PAIR_STATE_WAIT_LOCAL_PIN: |
| 4955 | if ( (btm_cb.pairing_flags & BTM_PAIR_FLAGS_PRE_FETCH_PIN) == 0) |
| 4956 | btsnd_hcic_pin_code_neg_reply (p_cb->pairing_bda); |
| 4957 | btm_sec_change_pairing_state (BTM_PAIR_STATE_IDLE); |
| 4958 | /* We need to notify the UI that no longer need the PIN */ |
| 4959 | if (btm_cb.api.p_auth_complete_callback) |
| 4960 | { |
| 4961 | if (p_dev_rec == NULL) |
| 4962 | { |
| 4963 | name[0] = 0; |
| 4964 | (*btm_cb.api.p_auth_complete_callback) (p_cb->pairing_bda, |
| 4965 | NULL, |
| 4966 | name, HCI_ERR_CONNECTION_TOUT); |
| 4967 | } |
| 4968 | else |
| 4969 | (*btm_cb.api.p_auth_complete_callback) (p_dev_rec->bd_addr, |
| 4970 | p_dev_rec->dev_class, |
| 4971 | p_dev_rec->sec_bd_name, HCI_ERR_CONNECTION_TOUT); |
| 4972 | } |
| 4973 | break; |
| 4974 | |
| 4975 | case BTM_PAIR_STATE_WAIT_NUMERIC_CONFIRM: |
| 4976 | btsnd_hcic_user_conf_reply (p_cb->pairing_bda, FALSE); |
| 4977 | /* btm_sec_change_pairing_state (BTM_PAIR_STATE_IDLE); */ |
| 4978 | break; |
| 4979 | |
| 4980 | #if (BTM_LOCAL_IO_CAPS != BTM_IO_CAP_NONE) |
| 4981 | case BTM_PAIR_STATE_KEY_ENTRY: |
| 4982 | btsnd_hcic_user_passkey_neg_reply(p_cb->pairing_bda); |
| 4983 | /* btm_sec_change_pairing_state (BTM_PAIR_STATE_IDLE); */ |
| 4984 | break; |
| 4985 | #endif /* !BTM_IO_CAP_NONE */ |
| 4986 | |
| 4987 | #if BTM_OOB_INCLUDED == TRUE |
| 4988 | case BTM_PAIR_STATE_WAIT_LOCAL_IOCAPS: |
| 4989 | if (btm_cb.pairing_flags & BTM_PAIR_FLAGS_WE_STARTED_DD) |
| 4990 | auth_req |= BTM_AUTH_DD_BOND; |
| 4991 | |
| 4992 | btsnd_hcic_io_cap_req_reply (p_cb->pairing_bda, btm_cb.devcb.loc_io_caps, |
| 4993 | BTM_OOB_NONE, auth_req); |
| 4994 | btm_sec_change_pairing_state (BTM_PAIR_STATE_IDLE); |
| 4995 | break; |
| 4996 | |
| 4997 | case BTM_PAIR_STATE_WAIT_LOCAL_OOB_RSP: |
| 4998 | btsnd_hcic_rem_oob_neg_reply (p_cb->pairing_bda); |
| 4999 | btm_sec_change_pairing_state (BTM_PAIR_STATE_IDLE); |
| 5000 | break; |
| 5001 | #endif /* BTM_OOB_INCLUDED */ |
| 5002 | |
| 5003 | case BTM_PAIR_STATE_WAIT_DISCONNECT: |
| 5004 | /* simple pairing failed. Started a 1-sec timer at simple pairing complete. |
| 5005 | * now it's time to tear down the ACL link*/ |
| 5006 | if (p_dev_rec == NULL) |
| 5007 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5008 | BTM_TRACE_ERROR ("btm_sec_pairing_timeout() BTM_PAIR_STATE_WAIT_DISCONNECT unknown BDA: %08x%04x", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5009 | (p_cb->pairing_bda[0]<<24) + (p_cb->pairing_bda[1]<<16) + (p_cb->pairing_bda[2]<<8) + p_cb->pairing_bda[3], |
| 5010 | (p_cb->pairing_bda[4] << 8) + p_cb->pairing_bda[5]); |
| 5011 | break; |
| 5012 | } |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 5013 | btm_sec_send_hci_disconnect (p_dev_rec, HCI_ERR_AUTH_FAILURE, p_dev_rec->hci_handle); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5014 | btm_sec_change_pairing_state (BTM_PAIR_STATE_IDLE); |
| 5015 | break; |
| 5016 | |
| 5017 | case BTM_PAIR_STATE_WAIT_AUTH_COMPLETE: |
| 5018 | /* We need to notify the UI that timeout has happened while waiting for authentication*/ |
| 5019 | btm_sec_change_pairing_state (BTM_PAIR_STATE_IDLE); |
| 5020 | if (btm_cb.api.p_auth_complete_callback) |
| 5021 | { |
| 5022 | if (p_dev_rec == NULL) |
| 5023 | { |
| 5024 | name[0] = 0; |
| 5025 | (*btm_cb.api.p_auth_complete_callback) (p_cb->pairing_bda, |
| 5026 | NULL, |
| 5027 | name, HCI_ERR_CONNECTION_TOUT); |
| 5028 | } |
| 5029 | else |
| 5030 | (*btm_cb.api.p_auth_complete_callback) (p_dev_rec->bd_addr, |
| 5031 | p_dev_rec->dev_class, |
| 5032 | p_dev_rec->sec_bd_name, HCI_ERR_CONNECTION_TOUT); |
| 5033 | } |
| 5034 | break; |
| 5035 | |
| 5036 | default: |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5037 | BTM_TRACE_WARNING ("btm_sec_pairing_timeout() not processed state: %s", btm_pair_state_descr(btm_cb.pairing_state)); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5038 | btm_sec_change_pairing_state (BTM_PAIR_STATE_IDLE); |
| 5039 | break; |
| 5040 | } |
| 5041 | } |
| 5042 | |
| 5043 | /******************************************************************************* |
| 5044 | ** |
| 5045 | ** Function btm_sec_pin_code_request |
| 5046 | ** |
| 5047 | ** Description This function is called when controller requests PIN code |
| 5048 | ** |
| 5049 | ** Returns Pointer to the record or NULL |
| 5050 | ** |
| 5051 | *******************************************************************************/ |
| 5052 | void btm_sec_pin_code_request (UINT8 *p_bda) |
| 5053 | { |
| 5054 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 5055 | tBTM_CB *p_cb = &btm_cb; |
| 5056 | |
Shobek Sam Attupurath | 57bda50 | 2013-04-17 16:08:17 +0530 | [diff] [blame] | 5057 | #ifdef PORCHE_PAIRING_CONFLICT |
| 5058 | UINT8 default_pin_code_len = 4; |
| 5059 | PIN_CODE default_pin_code = {0x30, 0x30, 0x30, 0x30}; |
| 5060 | #endif |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5061 | BTM_TRACE_EVENT ("btm_sec_pin_code_request() State: %s, BDA:%04x%08x", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5062 | btm_pair_state_descr(btm_cb.pairing_state), |
| 5063 | (p_bda[0]<<8)+p_bda[1], (p_bda[2]<<24)+(p_bda[3]<<16)+(p_bda[4]<<8)+p_bda[5] ); |
| 5064 | |
| 5065 | if (btm_cb.pairing_state != BTM_PAIR_STATE_IDLE) |
| 5066 | { |
| 5067 | if ( (memcmp (p_bda, btm_cb.pairing_bda, BD_ADDR_LEN) == 0) && |
| 5068 | (btm_cb.pairing_state == BTM_PAIR_STATE_WAIT_AUTH_COMPLETE) ) |
| 5069 | { |
| 5070 | /* fake this out - porshe carkit issue - */ |
| 5071 | // btm_cb.pairing_state = BTM_PAIR_STATE_IDLE; |
| 5072 | if(! btm_cb.pin_code_len_saved) |
| 5073 | { |
| 5074 | btsnd_hcic_pin_code_neg_reply (p_bda); |
| 5075 | return; |
| 5076 | } |
| 5077 | else |
| 5078 | { |
| 5079 | btsnd_hcic_pin_code_req_reply (p_bda, btm_cb.pin_code_len_saved, p_cb->pin_code); |
| 5080 | return; |
| 5081 | } |
| 5082 | } |
| 5083 | else if ((btm_cb.pairing_state != BTM_PAIR_STATE_WAIT_PIN_REQ) |
| 5084 | || memcmp (p_bda, btm_cb.pairing_bda, BD_ADDR_LEN) != 0) |
| 5085 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5086 | BTM_TRACE_WARNING ("btm_sec_pin_code_request() rejected - state: %s", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5087 | btm_pair_state_descr(btm_cb.pairing_state)); |
| 5088 | |
| 5089 | #ifdef PORCHE_PAIRING_CONFLICT |
| 5090 | /* reply pin code again due to counter in_rand when local initiates pairing */ |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5091 | BTM_TRACE_EVENT ("btm_sec_pin_code_request from remote dev. for local initiated pairing"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5092 | if(! btm_cb.pin_code_len_saved) |
| 5093 | { |
Shobek Sam Attupurath | 57bda50 | 2013-04-17 16:08:17 +0530 | [diff] [blame] | 5094 | btm_sec_change_pairing_state (BTM_PAIR_STATE_WAIT_AUTH_COMPLETE); |
| 5095 | btsnd_hcic_pin_code_req_reply (p_bda, default_pin_code_len, default_pin_code); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5096 | } |
| 5097 | else |
| 5098 | { |
| 5099 | btm_sec_change_pairing_state (BTM_PAIR_STATE_WAIT_AUTH_COMPLETE); |
| 5100 | btsnd_hcic_pin_code_req_reply (p_bda, btm_cb.pin_code_len_saved, p_cb->pin_code); |
| 5101 | } |
| 5102 | #else |
| 5103 | btsnd_hcic_pin_code_neg_reply (p_bda); |
| 5104 | #endif |
| 5105 | return; |
| 5106 | } |
| 5107 | } |
| 5108 | |
| 5109 | p_dev_rec = btm_find_or_alloc_dev (p_bda); |
| 5110 | /* received PIN code request. must be non-sm4 */ |
| 5111 | p_dev_rec->sm4 = BTM_SM4_KNOWN; |
| 5112 | |
| 5113 | if (btm_cb.pairing_state == BTM_PAIR_STATE_IDLE) |
| 5114 | { |
| 5115 | memcpy (btm_cb.pairing_bda, p_bda, BD_ADDR_LEN); |
| 5116 | |
| 5117 | btm_cb.pairing_flags = BTM_PAIR_FLAGS_PEER_STARTED_DD; |
| 5118 | /* Make sure we reset the trusted mask to help against attacks */ |
| 5119 | BTM_SEC_CLR_TRUSTED_DEVICE(p_dev_rec->trusted_mask); |
| 5120 | } |
| 5121 | |
| 5122 | if (!p_cb->pairing_disabled && (p_cb->cfg.pin_type == HCI_PIN_TYPE_FIXED)) |
| 5123 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5124 | BTM_TRACE_EVENT ("btm_sec_pin_code_request fixed pin replying"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5125 | btm_sec_change_pairing_state (BTM_PAIR_STATE_WAIT_AUTH_COMPLETE); |
| 5126 | btsnd_hcic_pin_code_req_reply (p_bda, p_cb->cfg.pin_code_len, p_cb->cfg.pin_code); |
| 5127 | return; |
| 5128 | } |
| 5129 | |
| 5130 | /* Use the connecting device's CoD for the connection */ |
| 5131 | if ( (!memcmp (p_bda, p_cb->connecting_bda, BD_ADDR_LEN)) |
| 5132 | && (p_cb->connecting_dc[0] || p_cb->connecting_dc[1] || p_cb->connecting_dc[2]) ) |
| 5133 | memcpy (p_dev_rec->dev_class, p_cb->connecting_dc, DEV_CLASS_LEN); |
| 5134 | |
| 5135 | /* We could have started connection after asking user for the PIN code */ |
| 5136 | if (btm_cb.pin_code_len != 0) |
| 5137 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5138 | BTM_TRACE_EVENT ("btm_sec_pin_code_request bonding sending reply"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5139 | btsnd_hcic_pin_code_req_reply (p_bda, btm_cb.pin_code_len, p_cb->pin_code); |
| 5140 | |
| 5141 | #ifdef PORCHE_PAIRING_CONFLICT |
| 5142 | btm_cb.pin_code_len_saved = btm_cb.pin_code_len; |
| 5143 | #endif |
| 5144 | |
| 5145 | /* Mark that we forwarded received from the user PIN code */ |
| 5146 | btm_cb.pin_code_len = 0; |
| 5147 | |
| 5148 | /* We can change mode back right away, that other connection being established */ |
| 5149 | /* is not forced to be secure - found a FW issue, so we can not do this |
| 5150 | btm_restore_mode(); */ |
| 5151 | |
| 5152 | btm_sec_change_pairing_state (BTM_PAIR_STATE_WAIT_AUTH_COMPLETE); |
| 5153 | } |
| 5154 | |
| 5155 | /* If pairing disabled OR (no PIN callback and not bonding) */ |
| 5156 | /* OR we could not allocate entry in the database reject pairing request */ |
| 5157 | else if (p_cb->pairing_disabled |
| 5158 | || (p_cb->api.p_pin_callback == NULL) |
| 5159 | |
| 5160 | /* OR Microsoft keyboard can for some reason try to establish connection */ |
| 5161 | /* the only thing we can do here is to shut it up. Normally we will be originator */ |
| 5162 | /* for keyboard bonding */ |
| 5163 | || (!p_dev_rec->is_originator |
| 5164 | && ((p_dev_rec->dev_class[1] & BTM_COD_MAJOR_CLASS_MASK) == BTM_COD_MAJOR_PERIPHERAL) |
| 5165 | && (p_dev_rec->dev_class[2] & BTM_COD_MINOR_KEYBOARD)) ) |
| 5166 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5167 | BTM_TRACE_WARNING("btm_sec_pin_code_request(): Pairing disabled:%d; PIN callback:%x, Dev Rec:%x!", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5168 | p_cb->pairing_disabled, p_cb->api.p_pin_callback, p_dev_rec); |
| 5169 | |
| 5170 | btsnd_hcic_pin_code_neg_reply (p_bda); |
| 5171 | } |
| 5172 | /* Notify upper layer of PIN request and start expiration timer */ |
| 5173 | else |
| 5174 | { |
| 5175 | btm_cb.pin_code_len_saved = 0; |
| 5176 | btm_sec_change_pairing_state (BTM_PAIR_STATE_WAIT_LOCAL_PIN); |
| 5177 | /* Pin code request can not come at the same time as connection request */ |
| 5178 | memcpy (p_cb->connecting_bda, p_bda, BD_ADDR_LEN); |
| 5179 | memcpy (p_cb->connecting_dc, p_dev_rec->dev_class, DEV_CLASS_LEN); |
| 5180 | |
| 5181 | /* Check if the name is known */ |
| 5182 | /* Even if name is not known we might not be able to get one */ |
| 5183 | /* this is the case when we are already getting something from the */ |
| 5184 | /* device, so HCI level is flow controlled */ |
| 5185 | /* Also cannot send remote name request while paging, i.e. connection is not completed */ |
| 5186 | if (p_dev_rec->sec_flags & BTM_SEC_NAME_KNOWN) |
| 5187 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5188 | BTM_TRACE_EVENT ("btm_sec_pin_code_request going for callback"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5189 | |
| 5190 | btm_cb.pairing_flags |= BTM_PAIR_FLAGS_PIN_REQD; |
| 5191 | if (p_cb->api.p_pin_callback) |
| 5192 | (*p_cb->api.p_pin_callback) (p_bda, p_dev_rec->dev_class, p_dev_rec->sec_bd_name); |
| 5193 | } |
| 5194 | else |
| 5195 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5196 | BTM_TRACE_EVENT ("btm_sec_pin_code_request going for remote name"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5197 | |
| 5198 | /* We received PIN code request for the device with unknown name */ |
| 5199 | /* it is not user friendly just to ask for the PIN without name */ |
| 5200 | /* try to get name at first */ |
| 5201 | if (!btsnd_hcic_rmt_name_req (p_dev_rec->bd_addr, |
| 5202 | HCI_PAGE_SCAN_REP_MODE_R1, |
| 5203 | HCI_MANDATARY_PAGE_SCAN_MODE, 0)) |
| 5204 | { |
| 5205 | p_dev_rec->sec_flags |= BTM_SEC_NAME_KNOWN; |
| 5206 | p_dev_rec->sec_bd_name[0] = 'f'; |
| 5207 | p_dev_rec->sec_bd_name[1] = '0'; |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5208 | BTM_TRACE_ERROR ("can not send rmt_name_req?? fake a name and call callback"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5209 | |
| 5210 | btm_cb.pairing_flags |= BTM_PAIR_FLAGS_PIN_REQD; |
| 5211 | if (p_cb->api.p_pin_callback) |
| 5212 | (*p_cb->api.p_pin_callback) (p_bda, p_dev_rec->dev_class, p_dev_rec->sec_bd_name); |
| 5213 | } |
| 5214 | } |
| 5215 | } |
| 5216 | |
| 5217 | return; |
| 5218 | } |
| 5219 | |
| 5220 | /******************************************************************************* |
| 5221 | ** |
| 5222 | ** Function btm_sec_update_clock_offset |
| 5223 | ** |
| 5224 | ** Description This function is called to update clock offset |
| 5225 | ** |
| 5226 | ** Returns void |
| 5227 | ** |
| 5228 | *******************************************************************************/ |
| 5229 | void btm_sec_update_clock_offset (UINT16 handle, UINT16 clock_offset) |
| 5230 | { |
| 5231 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 5232 | tBTM_INQ_INFO *p_inq_info; |
| 5233 | |
| 5234 | if ((p_dev_rec = btm_find_dev_by_handle (handle)) == NULL) |
| 5235 | return; |
| 5236 | |
| 5237 | p_dev_rec->clock_offset = clock_offset | BTM_CLOCK_OFFSET_VALID; |
| 5238 | |
| 5239 | if ((p_inq_info = BTM_InqDbRead(p_dev_rec->bd_addr)) == NULL) |
| 5240 | return; |
| 5241 | |
| 5242 | p_inq_info->results.clock_offset = clock_offset | BTM_CLOCK_OFFSET_VALID; |
| 5243 | } |
| 5244 | |
| 5245 | |
| 5246 | /****************************************************************** |
| 5247 | ** S T A T I C F U N C T I O N S |
| 5248 | *******************************************************************/ |
| 5249 | |
| 5250 | /******************************************************************************* |
| 5251 | ** |
| 5252 | ** Function btm_sec_execute_procedure |
| 5253 | ** |
| 5254 | ** Description This function is called to start required security |
| 5255 | ** procedure. There is a case when multiplexing protocol |
| 5256 | ** calls this function on the originating side, connection to |
| 5257 | ** the peer will not be established. This function in this |
| 5258 | ** case performs only authorization. |
| 5259 | ** |
| 5260 | ** Returns BTM_SUCCESS - permission is granted |
| 5261 | ** BTM_CMD_STARTED - in process |
| 5262 | ** BTM_NO_RESOURCES - permission declined |
| 5263 | ** |
| 5264 | *******************************************************************************/ |
| 5265 | static tBTM_STATUS btm_sec_execute_procedure (tBTM_SEC_DEV_REC *p_dev_rec) |
| 5266 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5267 | BTM_TRACE_EVENT ("btm_sec_execute_procedure: Required:0x%x Flags:0x%x State:%d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5268 | p_dev_rec->security_required, p_dev_rec->sec_flags, p_dev_rec->sec_state); |
| 5269 | |
| 5270 | /* There is a chance that we are getting name. Wait until done. */ |
| 5271 | if (p_dev_rec->sec_state != 0) |
| 5272 | return(BTM_CMD_STARTED); |
| 5273 | |
| 5274 | /* If any security is required, get the name first */ |
| 5275 | if (!(p_dev_rec->sec_flags & BTM_SEC_NAME_KNOWN) |
| 5276 | && (p_dev_rec->hci_handle != BTM_SEC_INVALID_HANDLE)) |
| 5277 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5278 | BTM_TRACE_EVENT ("Security Manager: Start get name"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5279 | if (!btm_sec_start_get_name (p_dev_rec)) |
| 5280 | { |
| 5281 | return(BTM_NO_RESOURCES); |
| 5282 | } |
| 5283 | return(BTM_CMD_STARTED); |
| 5284 | } |
| 5285 | |
| 5286 | /* If connection is not authenticated and authentication is required */ |
| 5287 | /* start authentication and return PENDING to the caller */ |
| 5288 | if ((!(p_dev_rec->sec_flags & BTM_SEC_AUTHENTICATED)) |
| 5289 | && (( p_dev_rec->is_originator && (p_dev_rec->security_required & BTM_SEC_OUT_AUTHENTICATE)) |
| 5290 | || (!p_dev_rec->is_originator && (p_dev_rec->security_required & BTM_SEC_IN_AUTHENTICATE))) |
| 5291 | && (p_dev_rec->hci_handle != BTM_SEC_INVALID_HANDLE)) |
| 5292 | { |
| 5293 | #if (L2CAP_UCD_INCLUDED == TRUE) |
| 5294 | /* if incoming UCD packet, discard it */ |
| 5295 | if ( !p_dev_rec->is_originator && (p_dev_rec->is_ucd == TRUE )) |
| 5296 | return(BTM_FAILED_ON_SECURITY); |
| 5297 | #endif |
| 5298 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5299 | BTM_TRACE_EVENT ("Security Manager: Start authentication"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5300 | |
| 5301 | if (!btm_sec_start_authentication (p_dev_rec)) |
| 5302 | { |
| 5303 | return(BTM_NO_RESOURCES); |
| 5304 | } |
| 5305 | return(BTM_CMD_STARTED); |
| 5306 | } |
| 5307 | |
| 5308 | /* If connection is not encrypted and encryption is required */ |
| 5309 | /* start encryption and return PENDING to the caller */ |
| 5310 | if (!(p_dev_rec->sec_flags & BTM_SEC_ENCRYPTED) |
| 5311 | && (( p_dev_rec->is_originator && (p_dev_rec->security_required & BTM_SEC_OUT_ENCRYPT)) |
| 5312 | || (!p_dev_rec->is_originator && (p_dev_rec->security_required & BTM_SEC_IN_ENCRYPT))) |
| 5313 | && (p_dev_rec->hci_handle != BTM_SEC_INVALID_HANDLE)) |
| 5314 | { |
| 5315 | #if (L2CAP_UCD_INCLUDED == TRUE) |
| 5316 | /* if incoming UCD packet, discard it */ |
| 5317 | if ( !p_dev_rec->is_originator && (p_dev_rec->is_ucd == TRUE )) |
| 5318 | return(BTM_FAILED_ON_SECURITY); |
| 5319 | #endif |
| 5320 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5321 | BTM_TRACE_EVENT ("Security Manager: Start encryption"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5322 | |
| 5323 | if (!btm_sec_start_encryption (p_dev_rec)) |
| 5324 | { |
| 5325 | return(BTM_NO_RESOURCES); |
| 5326 | } |
| 5327 | return(BTM_CMD_STARTED); |
| 5328 | } |
| 5329 | |
| 5330 | /* If connection is not authorized and authorization is required */ |
| 5331 | /* start authorization and return PENDING to the caller */ |
| 5332 | if (!(p_dev_rec->sec_flags & BTM_SEC_AUTHORIZED) |
| 5333 | && (( p_dev_rec->is_originator && (p_dev_rec->security_required & BTM_SEC_OUT_AUTHORIZE)) |
| 5334 | || (!p_dev_rec->is_originator && (p_dev_rec->security_required & BTM_SEC_IN_AUTHORIZE)))) |
| 5335 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5336 | BTM_TRACE_EVENT ("service id:%d, is trusted:%d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5337 | p_dev_rec->p_cur_service->service_id, |
| 5338 | (BTM_SEC_IS_SERVICE_TRUSTED(p_dev_rec->trusted_mask, |
| 5339 | p_dev_rec->p_cur_service->service_id))); |
| 5340 | if ((btm_sec_are_all_trusted(p_dev_rec->trusted_mask) == FALSE) && |
| 5341 | (p_dev_rec->p_cur_service->service_id < BTM_SEC_MAX_SERVICES) && |
| 5342 | (BTM_SEC_IS_SERVICE_TRUSTED(p_dev_rec->trusted_mask, |
| 5343 | p_dev_rec->p_cur_service->service_id) == FALSE)) |
| 5344 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5345 | BTM_TRACE_EVENT ("Security Manager: Start authorization"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5346 | return(btm_sec_start_authorization (p_dev_rec)); |
| 5347 | } |
| 5348 | } |
| 5349 | |
| 5350 | /* All required security procedures already established */ |
| 5351 | p_dev_rec->security_required &= ~(BTM_SEC_OUT_AUTHORIZE | BTM_SEC_IN_AUTHORIZE | |
| 5352 | BTM_SEC_OUT_AUTHENTICATE | BTM_SEC_IN_AUTHENTICATE | |
| 5353 | BTM_SEC_OUT_ENCRYPT | BTM_SEC_IN_ENCRYPT | |
| 5354 | BTM_SEC_FORCE_MASTER | BTM_SEC_ATTEMPT_MASTER | |
| 5355 | BTM_SEC_FORCE_SLAVE | BTM_SEC_ATTEMPT_SLAVE); |
| 5356 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5357 | BTM_TRACE_EVENT ("Security Manager: trusted:0x%04x%04x", p_dev_rec->trusted_mask[1], p_dev_rec->trusted_mask[0]); |
| 5358 | BTM_TRACE_EVENT ("Security Manager: access granted"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5359 | |
| 5360 | return(BTM_SUCCESS); |
| 5361 | } |
| 5362 | |
| 5363 | |
| 5364 | /******************************************************************************* |
| 5365 | ** |
| 5366 | ** Function btm_sec_start_get_name |
| 5367 | ** |
| 5368 | ** Description This function is called to start get name procedure |
| 5369 | ** |
| 5370 | ** Returns TRUE if started |
| 5371 | ** |
| 5372 | *******************************************************************************/ |
| 5373 | static BOOLEAN btm_sec_start_get_name (tBTM_SEC_DEV_REC *p_dev_rec) |
| 5374 | { |
| 5375 | UINT8 tempstate = p_dev_rec->sec_state; |
| 5376 | |
| 5377 | p_dev_rec->sec_state = BTM_SEC_STATE_GETTING_NAME; |
| 5378 | |
| 5379 | /* Device should be connected, no need to provide correct page params */ |
| 5380 | /* 0 and NULL are as timeout and callback params because they are not used in security get name case */ |
| 5381 | if ((btm_initiate_rem_name (p_dev_rec->bd_addr, NULL, BTM_RMT_NAME_SEC, |
| 5382 | 0, NULL)) != BTM_CMD_STARTED) |
| 5383 | { |
| 5384 | p_dev_rec->sec_state = tempstate; |
| 5385 | return(FALSE); |
| 5386 | } |
| 5387 | |
| 5388 | return(TRUE); |
| 5389 | } |
| 5390 | |
| 5391 | /******************************************************************************* |
| 5392 | ** |
| 5393 | ** Function btm_sec_start_authentication |
| 5394 | ** |
| 5395 | ** Description This function is called to start authentication |
| 5396 | ** |
| 5397 | ** Returns TRUE if started |
| 5398 | ** |
| 5399 | *******************************************************************************/ |
| 5400 | static BOOLEAN btm_sec_start_authentication (tBTM_SEC_DEV_REC *p_dev_rec) |
| 5401 | { |
| 5402 | p_dev_rec->sec_state = BTM_SEC_STATE_AUTHENTICATING; |
| 5403 | |
| 5404 | return(btsnd_hcic_auth_request (p_dev_rec->hci_handle)); |
| 5405 | } |
| 5406 | |
| 5407 | /******************************************************************************* |
| 5408 | ** |
| 5409 | ** Function btm_sec_start_encryption |
| 5410 | ** |
| 5411 | ** Description This function is called to start encryption |
| 5412 | ** |
| 5413 | ** Returns TRUE if started |
| 5414 | ** |
| 5415 | *******************************************************************************/ |
| 5416 | static BOOLEAN btm_sec_start_encryption (tBTM_SEC_DEV_REC *p_dev_rec) |
| 5417 | { |
| 5418 | if (!btsnd_hcic_set_conn_encrypt (p_dev_rec->hci_handle, TRUE)) |
| 5419 | return(FALSE); |
| 5420 | |
| 5421 | p_dev_rec->sec_state = BTM_SEC_STATE_ENCRYPTING; |
| 5422 | return(TRUE); |
| 5423 | } |
| 5424 | |
| 5425 | |
| 5426 | /******************************************************************************* |
| 5427 | ** |
| 5428 | ** Function btm_sec_start_authorization |
| 5429 | ** |
| 5430 | ** Description This function is called to start authorization |
| 5431 | ** |
| 5432 | ** Returns TRUE if started |
| 5433 | ** |
| 5434 | *******************************************************************************/ |
| 5435 | static UINT8 btm_sec_start_authorization (tBTM_SEC_DEV_REC *p_dev_rec) |
| 5436 | { |
| 5437 | UINT8 result; |
| 5438 | UINT8 *p_service_name = NULL; |
| 5439 | UINT8 service_id; |
| 5440 | |
| 5441 | if ((p_dev_rec->sec_flags & BTM_SEC_NAME_KNOWN) |
| 5442 | || (p_dev_rec->hci_handle == BTM_SEC_INVALID_HANDLE)) |
| 5443 | { |
| 5444 | if (!btm_cb.api.p_authorize_callback) |
| 5445 | return(BTM_MODE_UNSUPPORTED); |
| 5446 | |
| 5447 | if (p_dev_rec->p_cur_service) |
| 5448 | { |
| 5449 | #if BTM_SEC_SERVICE_NAME_LEN > 0 |
| 5450 | if (p_dev_rec->is_originator) |
| 5451 | p_service_name = p_dev_rec->p_cur_service->orig_service_name; |
| 5452 | else |
| 5453 | p_service_name = p_dev_rec->p_cur_service->term_service_name; |
| 5454 | #endif |
| 5455 | service_id = p_dev_rec->p_cur_service->service_id; |
| 5456 | } |
| 5457 | else |
| 5458 | service_id = 0; |
| 5459 | |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 5460 | /* Send authorization request if not already sent during this service connection */ |
| 5461 | if (p_dev_rec->last_author_service_id == BTM_SEC_NO_LAST_SERVICE_ID |
| 5462 | || p_dev_rec->last_author_service_id != service_id) |
| 5463 | { |
| 5464 | p_dev_rec->sec_state = BTM_SEC_STATE_AUTHORIZING; |
| 5465 | result = (*btm_cb.api.p_authorize_callback) (p_dev_rec->bd_addr, |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5466 | p_dev_rec->dev_class, |
| 5467 | p_dev_rec->sec_bd_name, |
| 5468 | p_service_name, |
| 5469 | service_id, |
| 5470 | p_dev_rec->is_originator); |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 5471 | } |
| 5472 | |
| 5473 | else /* Already authorized once for this L2CAP bringup */ |
| 5474 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5475 | BTM_TRACE_DEBUG ("btm_sec_start_authorization: (Ignoring extra Authorization prompt for service %d)", service_id); |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 5476 | return (BTM_SUCCESS); |
| 5477 | } |
| 5478 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5479 | if (result == BTM_SUCCESS) |
| 5480 | { |
| 5481 | p_dev_rec->sec_flags |= BTM_SEC_AUTHORIZED; |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 5482 | |
| 5483 | /* Save the currently authorized service in case we are asked again by another multiplexer layer */ |
| 5484 | if (!p_dev_rec->is_originator) |
| 5485 | p_dev_rec->last_author_service_id = service_id; |
| 5486 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5487 | p_dev_rec->sec_state = BTM_SEC_STATE_IDLE; |
| 5488 | } |
| 5489 | return(result); |
| 5490 | } |
| 5491 | btm_sec_start_get_name (p_dev_rec); |
| 5492 | return(BTM_CMD_STARTED); |
| 5493 | } |
| 5494 | |
| 5495 | /******************************************************************************* |
| 5496 | ** |
| 5497 | ** Function btm_sec_are_all_trusted |
| 5498 | ** |
| 5499 | ** Description This function is called check if all services are trusted |
| 5500 | ** |
| 5501 | ** Returns TRUE if all are trusted, otherwise FALSE |
| 5502 | ** |
| 5503 | *******************************************************************************/ |
| 5504 | BOOLEAN btm_sec_are_all_trusted(UINT32 p_mask[]) |
| 5505 | { |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 5506 | UINT32 trusted_inx; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5507 | for (trusted_inx = 0; trusted_inx < BTM_SEC_SERVICE_ARRAY_SIZE; trusted_inx++) |
| 5508 | { |
| 5509 | if (p_mask[trusted_inx] != BTM_SEC_TRUST_ALL) |
| 5510 | return(FALSE); |
| 5511 | } |
| 5512 | |
| 5513 | return(TRUE); |
| 5514 | } |
| 5515 | |
| 5516 | /******************************************************************************* |
| 5517 | ** |
| 5518 | ** Function btm_sec_find_first_serv |
| 5519 | ** |
| 5520 | ** Description Look for the first record in the service database |
| 5521 | ** with specified PSM |
| 5522 | ** |
| 5523 | ** Returns Pointer to the record or NULL |
| 5524 | ** |
| 5525 | *******************************************************************************/ |
| 5526 | static tBTM_SEC_SERV_REC *btm_sec_find_first_serv (CONNECTION_TYPE conn_type, UINT16 psm) |
| 5527 | { |
| 5528 | tBTM_SEC_SERV_REC *p_serv_rec = &btm_cb.sec_serv_rec[0]; |
| 5529 | int i; |
| 5530 | BOOLEAN is_originator; |
| 5531 | |
| 5532 | #if (L2CAP_UCD_INCLUDED == TRUE) |
| 5533 | |
| 5534 | if ( conn_type & CONNECTION_TYPE_ORIG_MASK ) |
| 5535 | is_originator = TRUE; |
| 5536 | else |
| 5537 | is_originator = FALSE; |
| 5538 | #else |
| 5539 | is_originator = conn_type; |
| 5540 | #endif |
| 5541 | |
| 5542 | if (is_originator && btm_cb.p_out_serv && btm_cb.p_out_serv->psm == psm) |
| 5543 | { |
| 5544 | /* If this is outgoing connection and the PSM matches p_out_serv, |
| 5545 | * use it as the current service */ |
| 5546 | return btm_cb.p_out_serv; |
| 5547 | } |
| 5548 | |
| 5549 | /* otherwise, just find the first record with the specified PSM */ |
| 5550 | for (i = 0; i < BTM_SEC_MAX_SERVICE_RECORDS; i++, p_serv_rec++) |
| 5551 | { |
| 5552 | if ( (p_serv_rec->security_flags & BTM_SEC_IN_USE) && (p_serv_rec->psm == psm) ) |
| 5553 | return(p_serv_rec); |
| 5554 | } |
| 5555 | return(NULL); |
| 5556 | } |
| 5557 | |
| 5558 | |
| 5559 | /******************************************************************************* |
| 5560 | ** |
| 5561 | ** Function btm_sec_find_next_serv |
| 5562 | ** |
| 5563 | ** Description Look for the next record in the service database |
| 5564 | ** with specified PSM |
| 5565 | ** |
| 5566 | ** Returns Pointer to the record or NULL |
| 5567 | ** |
| 5568 | *******************************************************************************/ |
| 5569 | static tBTM_SEC_SERV_REC *btm_sec_find_next_serv (tBTM_SEC_SERV_REC *p_cur) |
| 5570 | { |
| 5571 | tBTM_SEC_SERV_REC *p_serv_rec = &btm_cb.sec_serv_rec[0]; |
| 5572 | int i; |
| 5573 | |
| 5574 | for (i = 0; i < BTM_SEC_MAX_SERVICE_RECORDS; i++, p_serv_rec++) |
| 5575 | { |
| 5576 | if ((p_serv_rec->security_flags & BTM_SEC_IN_USE) |
| 5577 | && (p_serv_rec->psm == p_cur->psm) ) |
| 5578 | { |
| 5579 | if (p_cur != p_serv_rec) |
| 5580 | { |
| 5581 | return(p_serv_rec); |
| 5582 | } |
| 5583 | } |
| 5584 | } |
| 5585 | return(NULL); |
| 5586 | } |
| 5587 | |
| 5588 | |
| 5589 | /******************************************************************************* |
| 5590 | ** |
| 5591 | ** Function btm_sec_find_mx_serv |
| 5592 | ** |
| 5593 | ** Description Look for the record in the service database with specified |
| 5594 | ** PSM and multiplexor channel information |
| 5595 | ** |
| 5596 | ** Returns Pointer to the record or NULL |
| 5597 | ** |
| 5598 | *******************************************************************************/ |
| 5599 | static tBTM_SEC_SERV_REC *btm_sec_find_mx_serv (UINT8 is_originator, UINT16 psm, |
| 5600 | UINT32 mx_proto_id, UINT32 mx_chan_id) |
| 5601 | { |
| 5602 | tBTM_SEC_SERV_REC *p_out_serv = btm_cb.p_out_serv; |
| 5603 | tBTM_SEC_SERV_REC *p_serv_rec = &btm_cb.sec_serv_rec[0]; |
| 5604 | int i; |
| 5605 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5606 | BTM_TRACE_DEBUG ("btm_sec_find_mx_serv"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5607 | if (is_originator && p_out_serv && p_out_serv->psm == psm |
| 5608 | && p_out_serv->mx_proto_id == mx_proto_id |
| 5609 | && p_out_serv->orig_mx_chan_id == mx_chan_id) |
| 5610 | { |
| 5611 | /* If this is outgoing connection and the parameters match p_out_serv, |
| 5612 | * use it as the current service */ |
| 5613 | return btm_cb.p_out_serv; |
| 5614 | } |
| 5615 | |
| 5616 | /* otherwise, the old way */ |
| 5617 | for (i = 0; i < BTM_SEC_MAX_SERVICE_RECORDS; i++, p_serv_rec++) |
| 5618 | { |
| 5619 | if ((p_serv_rec->security_flags & BTM_SEC_IN_USE) |
| 5620 | && (p_serv_rec->psm == psm) |
| 5621 | && (p_serv_rec->mx_proto_id == mx_proto_id) |
| 5622 | && (( is_originator && (p_serv_rec->orig_mx_chan_id == mx_chan_id)) |
| 5623 | || (!is_originator && (p_serv_rec->term_mx_chan_id == mx_chan_id)))) |
| 5624 | { |
| 5625 | return(p_serv_rec); |
| 5626 | } |
| 5627 | } |
| 5628 | return(NULL); |
| 5629 | } |
| 5630 | |
| 5631 | |
| 5632 | /******************************************************************************* |
| 5633 | ** |
| 5634 | ** Function btm_sec_collision_timeout |
| 5635 | ** |
| 5636 | ** Description Encryption could not start because of the collision |
| 5637 | ** try to do it again |
| 5638 | ** |
| 5639 | ** Returns Pointer to the TLE struct |
| 5640 | ** |
| 5641 | *******************************************************************************/ |
| 5642 | static void btm_sec_collision_timeout (TIMER_LIST_ENT *p_tle) |
| 5643 | { |
| 5644 | tBTM_STATUS status; |
Mike J. Chen | 5cd8bff | 2014-01-31 18:16:59 -0800 | [diff] [blame] | 5645 | UNUSED(p_tle); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5646 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5647 | BTM_TRACE_EVENT ("btm_sec_collision_timeout()"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5648 | btm_cb.sec_collision_tle.param = 0; |
| 5649 | |
| 5650 | status = btm_sec_execute_procedure (btm_cb.p_collided_dev_rec); |
| 5651 | |
| 5652 | /* If result is pending reply from the user or from the device is pending */ |
| 5653 | if (status != BTM_CMD_STARTED) |
| 5654 | { |
| 5655 | /* There is no next procedure or start of procedure failed, notify the waiting layer */ |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 5656 | btm_sec_dev_rec_cback_event (btm_cb.p_collided_dev_rec, status, FALSE); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5657 | } |
| 5658 | } |
| 5659 | |
| 5660 | /******************************************************************************* |
| 5661 | ** |
| 5662 | ** Function btm_sec_link_key_request |
| 5663 | ** |
| 5664 | ** Description This function is called when controller requests link key |
| 5665 | ** |
| 5666 | ** Returns Pointer to the record or NULL |
| 5667 | ** |
| 5668 | *******************************************************************************/ |
| 5669 | static void btm_send_link_key_notif (tBTM_SEC_DEV_REC *p_dev_rec) |
| 5670 | { |
| 5671 | if (btm_cb.api.p_link_key_callback) |
| 5672 | (*btm_cb.api.p_link_key_callback) (p_dev_rec->bd_addr, p_dev_rec->dev_class, |
| 5673 | p_dev_rec->sec_bd_name, p_dev_rec->link_key, |
| 5674 | p_dev_rec->link_key_type); |
| 5675 | } |
| 5676 | |
| 5677 | /******************************************************************************* |
| 5678 | ** |
| 5679 | ** Function BTM_ReadTrustedMask |
| 5680 | ** |
| 5681 | ** Description Get trusted mask for the peer device |
| 5682 | ** |
| 5683 | ** Parameters: bd_addr - Address of the device |
| 5684 | ** |
| 5685 | ** Returns NULL, if the device record is not found. |
| 5686 | ** otherwise, the trusted mask |
| 5687 | ** |
| 5688 | *******************************************************************************/ |
| 5689 | UINT32 * BTM_ReadTrustedMask (BD_ADDR bd_addr) |
| 5690 | { |
| 5691 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 5692 | |
| 5693 | if ((p_dev_rec = btm_find_dev (bd_addr)) != NULL) |
| 5694 | { |
| 5695 | return(p_dev_rec->trusted_mask); |
| 5696 | } |
| 5697 | else |
| 5698 | { |
| 5699 | return NULL; |
| 5700 | } |
| 5701 | } |
| 5702 | |
| 5703 | /******************************************************************************* |
| 5704 | ** |
| 5705 | ** Function btm_restore_mode |
| 5706 | ** |
| 5707 | ** Description This function returns the security mode to previous setting |
| 5708 | ** if it was changed during bonding. |
| 5709 | ** |
| 5710 | ** |
| 5711 | ** Parameters: void |
| 5712 | ** |
| 5713 | *******************************************************************************/ |
| 5714 | static void btm_restore_mode(void) |
| 5715 | { |
| 5716 | if (btm_cb.security_mode_changed) |
| 5717 | { |
| 5718 | btm_cb.security_mode_changed = FALSE; |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5719 | BTM_TRACE_DEBUG("btm_restore_mode: Authen Enable -> %d", (btm_cb.security_mode == BTM_SEC_MODE_LINK)); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5720 | btsnd_hcic_write_auth_enable ((UINT8)(btm_cb.security_mode == BTM_SEC_MODE_LINK)); |
| 5721 | } |
| 5722 | |
| 5723 | if (btm_cb.pin_type_changed) |
| 5724 | { |
| 5725 | btm_cb.pin_type_changed = FALSE; |
| 5726 | btsnd_hcic_write_pin_type (btm_cb.cfg.pin_type); |
| 5727 | } |
| 5728 | } |
| 5729 | |
| 5730 | |
| 5731 | /******************************************************************************* |
| 5732 | ** |
| 5733 | ** Function btm_sec_find_dev_by_sec_state |
| 5734 | ** |
| 5735 | ** Description Look for the record in the device database for the device |
| 5736 | ** which is being authenticated or encrypted |
| 5737 | ** |
| 5738 | ** Returns Pointer to the record or NULL |
| 5739 | ** |
| 5740 | *******************************************************************************/ |
| 5741 | tBTM_SEC_DEV_REC *btm_sec_find_dev_by_sec_state (UINT8 state) |
| 5742 | { |
| 5743 | tBTM_SEC_DEV_REC *p_dev_rec = &btm_cb.sec_dev_rec[0]; |
| 5744 | int i; |
| 5745 | |
| 5746 | for (i = 0; i < BTM_SEC_MAX_DEVICE_RECORDS; i++, p_dev_rec++) |
| 5747 | { |
| 5748 | if ((p_dev_rec->sec_flags & BTM_SEC_IN_USE) |
| 5749 | && (p_dev_rec->sec_state == state)) |
| 5750 | return(p_dev_rec); |
| 5751 | } |
| 5752 | return(NULL); |
| 5753 | } |
| 5754 | |
| 5755 | /******************************************************************************* |
| 5756 | ** |
| 5757 | ** Function BTM_snd_conn_encrypt |
| 5758 | ** |
| 5759 | ** Description This function is called to start/stop encryption |
| 5760 | ** Used by JSR-82 |
| 5761 | ** |
| 5762 | ** Returns TRUE if request started |
| 5763 | ** |
| 5764 | *******************************************************************************/ |
| 5765 | BOOLEAN BTM_snd_conn_encrypt (UINT16 handle, BOOLEAN enable) |
| 5766 | { |
| 5767 | tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev_by_handle (handle); |
| 5768 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5769 | BTM_TRACE_EVENT ("BTM_snd_conn_encrypt Security Manager: encrypt_change p_dev_rec : 0x%x, enable = %s", p_dev_rec, (enable == TRUE) ? "TRUE" : "FALSE"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5770 | |
| 5771 | if (!p_dev_rec) |
| 5772 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5773 | BTM_TRACE_EVENT ("BTM_snd_conn_encrypt Error no p_dev_rec : 0x%x\n", p_dev_rec); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5774 | return(FALSE); |
| 5775 | } |
| 5776 | |
| 5777 | if ( p_dev_rec->sec_state == BTM_SEC_STATE_IDLE) |
| 5778 | { |
| 5779 | if (!btsnd_hcic_set_conn_encrypt (handle, enable)) |
| 5780 | return(FALSE); |
| 5781 | |
| 5782 | p_dev_rec->sec_state = BTM_SEC_STATE_ENCRYPTING; |
| 5783 | |
| 5784 | return(TRUE); |
| 5785 | } |
| 5786 | else |
| 5787 | return(FALSE); |
| 5788 | } |
| 5789 | |
| 5790 | /******************************************************************************* |
| 5791 | ** |
| 5792 | ** Function btm_sec_change_pairing_state |
| 5793 | ** |
| 5794 | ** Description This function is called to change pairing state |
| 5795 | ** |
| 5796 | *******************************************************************************/ |
| 5797 | static void btm_sec_change_pairing_state (tBTM_PAIRING_STATE new_state) |
| 5798 | { |
| 5799 | tBTM_PAIRING_STATE old_state = btm_cb.pairing_state; |
| 5800 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5801 | BTM_TRACE_EVENT ("btm_sec_change_pairing_state Old: %s", btm_pair_state_descr(btm_cb.pairing_state)); |
| 5802 | BTM_TRACE_EVENT ("btm_sec_change_pairing_state New: %s pairing_flags:0x%x",btm_pair_state_descr(new_state), btm_cb.pairing_flags); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5803 | |
| 5804 | btm_cb.pairing_state = new_state; |
| 5805 | |
| 5806 | if (new_state == BTM_PAIR_STATE_IDLE) |
| 5807 | { |
| 5808 | btu_stop_timer (&btm_cb.pairing_tle); |
| 5809 | |
| 5810 | btm_cb.pairing_flags = 0; |
| 5811 | btm_cb.pin_code_len = 0; |
| 5812 | |
| 5813 | /* Make sure the the lcb shows we are not bonding */ |
| 5814 | l2cu_update_lcb_4_bonding (btm_cb.pairing_bda, FALSE); |
| 5815 | |
| 5816 | btm_restore_mode(); |
| 5817 | btm_sec_check_pending_reqs(); |
| 5818 | btm_inq_clear_ssp(); |
| 5819 | |
| 5820 | memset (btm_cb.pairing_bda, 0xFF, BD_ADDR_LEN); |
| 5821 | } |
| 5822 | else |
| 5823 | { |
| 5824 | /* If transitionng out of idle, mark the lcb as bonding */ |
| 5825 | if (old_state == BTM_PAIR_STATE_IDLE) |
| 5826 | l2cu_update_lcb_4_bonding (btm_cb.pairing_bda, TRUE); |
| 5827 | |
| 5828 | btm_cb.pairing_tle.param = (TIMER_PARAM_TYPE)btm_sec_pairing_timeout; |
| 5829 | |
| 5830 | btu_start_timer (&btm_cb.pairing_tle, BTU_TTYPE_USER_FUNC, BTM_SEC_TIMEOUT_VALUE); |
| 5831 | } |
| 5832 | } |
| 5833 | |
| 5834 | |
| 5835 | /******************************************************************************* |
| 5836 | ** |
| 5837 | ** Function btm_pair_state_descr |
| 5838 | ** |
| 5839 | ** Description Return state description for tracing |
| 5840 | ** |
| 5841 | *******************************************************************************/ |
| 5842 | #if (BT_USE_TRACES == TRUE) |
| 5843 | static char *btm_pair_state_descr (tBTM_PAIRING_STATE state) |
| 5844 | { |
| 5845 | #if (BT_TRACE_VERBOSE == TRUE) |
| 5846 | switch (state) |
| 5847 | { |
| 5848 | case BTM_PAIR_STATE_IDLE: return("IDLE"); |
| 5849 | case BTM_PAIR_STATE_GET_REM_NAME: return("GET_REM_NAME"); |
| 5850 | case BTM_PAIR_STATE_WAIT_PIN_REQ: return("WAIT_PIN_REQ"); |
| 5851 | case BTM_PAIR_STATE_WAIT_LOCAL_PIN: return("WAIT_LOCAL_PIN"); |
| 5852 | case BTM_PAIR_STATE_WAIT_NUMERIC_CONFIRM: return("WAIT_NUM_CONFIRM"); |
| 5853 | case BTM_PAIR_STATE_KEY_ENTRY: return("KEY_ENTRY"); |
| 5854 | case BTM_PAIR_STATE_WAIT_LOCAL_OOB_RSP: return("WAIT_LOCAL_OOB_RSP"); |
| 5855 | case BTM_PAIR_STATE_WAIT_LOCAL_IOCAPS: return("WAIT_LOCAL_IOCAPS"); |
| 5856 | case BTM_PAIR_STATE_INCOMING_SSP: return("INCOMING_SSP"); |
| 5857 | case BTM_PAIR_STATE_WAIT_AUTH_COMPLETE: return("WAIT_AUTH_COMPLETE"); |
| 5858 | case BTM_PAIR_STATE_WAIT_DISCONNECT: return("WAIT_DISCONNECT"); |
| 5859 | } |
| 5860 | |
| 5861 | return("???"); |
| 5862 | #else |
| 5863 | sprintf(btm_cb.state_temp_buffer,"%hu",state); |
| 5864 | |
| 5865 | return(btm_cb.state_temp_buffer); |
| 5866 | #endif |
| 5867 | } |
| 5868 | #endif |
| 5869 | |
| 5870 | |
| 5871 | /******************************************************************************* |
| 5872 | ** |
| 5873 | ** Function btm_sec_dev_rec_cback_event |
| 5874 | ** |
| 5875 | ** Description This function calls the callback function with the given |
| 5876 | ** result and clear the callback function. |
| 5877 | ** |
| 5878 | ** Parameters: void |
| 5879 | ** |
| 5880 | *******************************************************************************/ |
Andre Eisenbach | 3242918 | 2014-07-25 15:46:21 -0700 | [diff] [blame] | 5881 | void btm_sec_dev_rec_cback_event (tBTM_SEC_DEV_REC *p_dev_rec, UINT8 res, BOOLEAN is_le_transport) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5882 | { |
| 5883 | tBTM_SEC_CALLBACK *p_callback = p_dev_rec->p_callback; |
Andre Eisenbach | 3242918 | 2014-07-25 15:46:21 -0700 | [diff] [blame] | 5884 | tBT_TRANSPORT transport = is_le_transport ? BT_TRANSPORT_LE : BT_TRANSPORT_BR_EDR; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5885 | |
| 5886 | if (p_dev_rec->p_callback) |
| 5887 | { |
| 5888 | p_dev_rec->p_callback = NULL; |
| 5889 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 5890 | (*p_callback) (p_dev_rec->bd_addr, transport, p_dev_rec->p_ref_data, res); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5891 | |
| 5892 | } |
| 5893 | btm_sec_check_pending_reqs(); |
| 5894 | } |
| 5895 | |
| 5896 | /******************************************************************************* |
| 5897 | ** |
| 5898 | ** Function btm_sec_queue_mx_request |
| 5899 | ** |
| 5900 | ** Description Return state description for tracing |
| 5901 | ** |
| 5902 | *******************************************************************************/ |
| 5903 | static BOOLEAN btm_sec_queue_mx_request (BD_ADDR bd_addr, UINT16 psm, BOOLEAN is_orig, |
| 5904 | UINT32 mx_proto_id, UINT32 mx_chan_id, |
| 5905 | tBTM_SEC_CALLBACK *p_callback, void *p_ref_data) |
| 5906 | { |
| 5907 | tBTM_SEC_QUEUE_ENTRY *p_e; |
| 5908 | |
| 5909 | p_e = (tBTM_SEC_QUEUE_ENTRY *)GKI_getbuf (sizeof(tBTM_SEC_QUEUE_ENTRY)); |
| 5910 | |
| 5911 | if (p_e) |
| 5912 | { |
| 5913 | p_e->psm = psm; |
| 5914 | p_e->is_orig = is_orig; |
| 5915 | p_e->p_callback = p_callback; |
| 5916 | p_e->p_ref_data = p_ref_data; |
| 5917 | p_e->mx_proto_id = mx_proto_id; |
| 5918 | p_e->mx_chan_id = mx_chan_id; |
| 5919 | |
| 5920 | memcpy (p_e->bd_addr, bd_addr, BD_ADDR_LEN); |
| 5921 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5922 | BTM_TRACE_EVENT ("btm_sec_queue_mx_request() PSM: 0x%04x Is_Orig: %u mx_proto_id: %u mx_chan_id: %u", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5923 | psm, is_orig, mx_proto_id, mx_chan_id); |
| 5924 | |
| 5925 | GKI_enqueue (&btm_cb.sec_pending_q, p_e); |
| 5926 | |
| 5927 | return(TRUE); |
| 5928 | } |
| 5929 | |
| 5930 | return(FALSE); |
| 5931 | } |
| 5932 | |
| 5933 | static BOOLEAN btm_sec_check_prefetch_pin (tBTM_SEC_DEV_REC *p_dev_rec) |
| 5934 | { |
| 5935 | UINT8 major = (UINT8)(p_dev_rec->dev_class[1] & BTM_COD_MAJOR_CLASS_MASK); |
| 5936 | UINT8 minor = (UINT8)(p_dev_rec->dev_class[2] & BTM_COD_MINOR_CLASS_MASK); |
| 5937 | BOOLEAN rv = FALSE; |
| 5938 | |
| 5939 | if ((major == BTM_COD_MAJOR_AUDIO) |
| 5940 | && ((minor == BTM_COD_MINOR_CONFM_HANDSFREE) || (minor == BTM_COD_MINOR_CAR_AUDIO)) ) |
| 5941 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5942 | BTM_TRACE_EVENT ("btm_sec_check_prefetch_pin: Skipping pre-fetch PIN for carkit COD Major: 0x%02x Minor: 0x%02x", major, minor); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5943 | |
| 5944 | if (btm_cb.security_mode_changed == FALSE) |
| 5945 | { |
| 5946 | btm_cb.security_mode_changed = TRUE; |
| 5947 | #ifdef APPL_AUTH_WRITE_EXCEPTION |
| 5948 | if(!(APPL_AUTH_WRITE_EXCEPTION)(p_dev_rec->bd_addr)) |
| 5949 | #endif |
| 5950 | btsnd_hcic_write_auth_enable (TRUE); |
| 5951 | } |
| 5952 | } |
| 5953 | else |
| 5954 | { |
| 5955 | btm_sec_change_pairing_state (BTM_PAIR_STATE_WAIT_LOCAL_PIN); |
| 5956 | |
| 5957 | /* If we got a PIN, use that, else try to get one */ |
| 5958 | if (btm_cb.pin_code_len) |
| 5959 | { |
| 5960 | BTM_PINCodeReply (p_dev_rec->bd_addr, BTM_SUCCESS, btm_cb.pin_code_len, btm_cb.pin_code, p_dev_rec->trusted_mask); |
| 5961 | } |
| 5962 | else |
| 5963 | { |
| 5964 | /* pin was not supplied - pre-fetch pin code now */ |
| 5965 | if (btm_cb.api.p_pin_callback && ((btm_cb.pairing_flags & BTM_PAIR_FLAGS_PIN_REQD) == 0)) |
| 5966 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5967 | BTM_TRACE_DEBUG("btm_sec_check_prefetch_pin: PIN code callback called"); |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 5968 | if (btm_bda_to_acl(p_dev_rec->bd_addr, BT_TRANSPORT_BR_EDR) == NULL) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5969 | btm_cb.pairing_flags |= BTM_PAIR_FLAGS_PIN_REQD; |
| 5970 | (btm_cb.api.p_pin_callback) (p_dev_rec->bd_addr, p_dev_rec->dev_class, p_dev_rec->sec_bd_name); |
| 5971 | } |
| 5972 | } |
| 5973 | |
| 5974 | rv = TRUE; |
| 5975 | } |
| 5976 | |
| 5977 | return rv; |
| 5978 | } |
| 5979 | |
| 5980 | #if (BLE_INCLUDED == TRUE) |
| 5981 | /******************************************************************************* |
| 5982 | ** |
| 5983 | ** Function btm_sec_clear_ble_keys |
| 5984 | ** |
| 5985 | ** Description This function is called to clear out the BLE keys. |
| 5986 | ** Typically when devices are removed in BTM_SecDeleteDevice, |
| 5987 | ** or when a new BT Link key is generated. |
| 5988 | ** |
| 5989 | ** Returns void |
| 5990 | ** |
| 5991 | *******************************************************************************/ |
| 5992 | void btm_sec_clear_ble_keys (tBTM_SEC_DEV_REC *p_dev_rec) |
| 5993 | { |
| 5994 | |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 5995 | BTM_TRACE_DEBUG ("btm_sec_clear_ble_keys: Clearing BLE Keys"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 5996 | #if (SMP_INCLUDED== TRUE) |
| 5997 | p_dev_rec->ble.key_type = 0; |
| 5998 | memset (&p_dev_rec->ble.keys, 0, sizeof(tBTM_SEC_BLE_KEYS)); |
| 5999 | #endif |
| 6000 | gatt_delete_dev_from_srv_chg_clt_list(p_dev_rec->bd_addr); |
| 6001 | } |
| 6002 | |
| 6003 | |
| 6004 | /******************************************************************************* |
| 6005 | ** |
| 6006 | ** Function btm_sec_is_a_bonded_dev |
| 6007 | ** |
| 6008 | ** Description Is the specified device is a bonded device |
| 6009 | ** |
| 6010 | ** Returns TRUE - dev is bonded |
| 6011 | ** |
| 6012 | *******************************************************************************/ |
| 6013 | BOOLEAN btm_sec_is_a_bonded_dev (BD_ADDR bda) |
| 6014 | { |
| 6015 | |
| 6016 | tBTM_SEC_DEV_REC *p_dev_rec= btm_find_dev (bda); |
| 6017 | BOOLEAN is_bonded= FALSE; |
| 6018 | |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 6019 | if (p_dev_rec && |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 6020 | #if (SMP_INCLUDED== TRUE) |
Ganesh Ganapathi Batta | 7fa4fba | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 6021 | ((p_dev_rec->ble.key_type && (p_dev_rec->sec_flags & BTM_SEC_LE_LINK_KEY_KNOWN))|| |
| 6022 | #endif |
| 6023 | (p_dev_rec->sec_flags & BTM_SEC_LINK_KEY_KNOWN))) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 6024 | { |
| 6025 | is_bonded = TRUE; |
| 6026 | } |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 6027 | BTM_TRACE_DEBUG ("btm_sec_is_a_bonded_dev is_bonded=%d", is_bonded); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 6028 | return(is_bonded); |
| 6029 | } |
| 6030 | |
| 6031 | /******************************************************************************* |
| 6032 | ** |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 6033 | ** Function btm_sec_is_le_capable_dev |
| 6034 | ** |
| 6035 | ** Description Is the specified device is dual mode or LE only device |
| 6036 | ** |
| 6037 | ** Returns TRUE - dev is a dual mode |
| 6038 | ** |
| 6039 | *******************************************************************************/ |
| 6040 | BOOLEAN btm_sec_is_le_capable_dev (BD_ADDR bda) |
| 6041 | { |
| 6042 | tBTM_SEC_DEV_REC *p_dev_rec= btm_find_dev (bda); |
| 6043 | BOOLEAN le_capable = FALSE; |
| 6044 | |
| 6045 | #if (BLE_INCLUDED== TRUE) |
| 6046 | if (p_dev_rec && ((p_dev_rec->device_type == BT_DEVICE_TYPE_DUMO) || |
| 6047 | (p_dev_rec->device_type == BT_DEVICE_TYPE_BLE) ) ) |
| 6048 | { |
| 6049 | le_capable = TRUE; |
| 6050 | } |
| 6051 | #endif |
| 6052 | return le_capable; |
| 6053 | } |
| 6054 | |
| 6055 | /******************************************************************************* |
| 6056 | ** |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 6057 | ** Function btm_sec_find_bonded_dev |
| 6058 | ** |
| 6059 | ** Description Find a bonded device starting from the specified index |
| 6060 | ** |
| 6061 | ** Returns TRUE - found a bonded device |
| 6062 | ** |
| 6063 | *******************************************************************************/ |
Mike J. Chen | e68ffb0 | 2014-01-31 15:06:49 -0800 | [diff] [blame] | 6064 | BOOLEAN btm_sec_find_bonded_dev (UINT8 start_idx, UINT8 *p_found_idx, tBTM_SEC_DEV_REC **p_rec) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 6065 | { |
| 6066 | BOOLEAN found= FALSE; |
| 6067 | |
| 6068 | #if (SMP_INCLUDED== TRUE) |
| 6069 | tBTM_SEC_DEV_REC *p_dev_rec; |
| 6070 | int i; |
| 6071 | if (start_idx >= BTM_SEC_MAX_DEVICE_RECORDS) |
| 6072 | { |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 6073 | BTM_TRACE_DEBUG ("LE bonded device not found"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 6074 | return found; |
| 6075 | } |
| 6076 | |
| 6077 | p_dev_rec = &btm_cb.sec_dev_rec[start_idx]; |
| 6078 | for (i = start_idx; i < BTM_SEC_MAX_DEVICE_RECORDS; i++, p_dev_rec++) |
| 6079 | { |
| 6080 | if (p_dev_rec->ble.key_type || (p_dev_rec->sec_flags & BTM_SEC_LINK_KEY_KNOWN)) |
| 6081 | { |
| 6082 | *p_found_idx = i; |
Mike J. Chen | e68ffb0 | 2014-01-31 15:06:49 -0800 | [diff] [blame] | 6083 | *p_rec = p_dev_rec; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 6084 | break; |
| 6085 | } |
| 6086 | } |
Sharvil Nanavati | 5344d6d | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 6087 | BTM_TRACE_DEBUG ("btm_sec_find_bonded_dev=%d", found); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 6088 | #endif |
| 6089 | return(found); |
| 6090 | } |
| 6091 | #endif /* BLE_INCLUDED */ |
| 6092 | |