1 /* 2 * Copyright (C) 2014 BlueKitchen GmbH 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN 24 * GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 #define BTSTACK_FILE__ "pbap_client.c" 39 40 #include "btstack_config.h" 41 42 #include <stdint.h> 43 #include <string.h> 44 45 #include "hci_cmd.h" 46 #include "btstack_run_loop.h" 47 #include "btstack_debug.h" 48 #include "hci.h" 49 #include "btstack_memory.h" 50 #include "hci_dump.h" 51 #include "l2cap.h" 52 #include "bluetooth_sdp.h" 53 #include "classic/sdp_client_rfcomm.h" 54 #include "btstack_event.h" 55 #include "md5.h" 56 #include "yxml.h" 57 58 #include "classic/obex.h" 59 #include "classic/obex_iterator.h" 60 #include "classic/goep_client.h" 61 #include "classic/pbap_client.h" 62 63 // 796135f0-f0c5-11d8-0966- 0800200c9a66 64 static const uint8_t pbap_uuid[] = { 0x79, 0x61, 0x35, 0xf0, 0xf0, 0xc5, 0x11, 0xd8, 0x09, 0x66, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66}; 65 66 const char * pbap_phonebook_type = "x-bt/phonebook"; 67 const char * pbap_vcard_listing_type = "x-bt/vcard-listing"; 68 const char * pbap_vcard_entry_type = "x-bt/vcard"; 69 70 const char * pbap_vcard_listing_name = "pb"; 71 72 typedef enum { 73 PBAP_INIT = 0, 74 PBAP_W4_GOEP_CONNECTION, 75 PBAP_W2_SEND_CONNECT_REQUEST, 76 PBAP_W4_CONNECT_RESPONSE, 77 PBAP_W4_USER_AUTHENTICATION, 78 PBAP_W2_SEND_AUTHENTICATED_CONNECT, 79 PBAP_CONNECT_RESPONSE_RECEIVED, 80 PBAP_CONNECTED, 81 // 82 PBAP_W2_SEND_DISCONNECT_REQUEST, 83 PBAP_W4_DISCONNECT_RESPONSE, 84 // 85 PBAP_W2_PULL_PHONEBOOK, 86 PBAP_W4_PHONEBOOK, 87 PBAP_W2_SET_PATH_ROOT, 88 PBAP_W4_SET_PATH_ROOT_COMPLETE, 89 PBAP_W2_SET_PATH_ELEMENT, 90 PBAP_W4_SET_PATH_ELEMENT_COMPLETE, 91 PBAP_W2_GET_PHONEBOOK_SIZE, 92 PBAP_W4_GET_PHONEBOOK_SIZE_COMPLETE, 93 // - pull vacard liast 94 PBAP_W2_GET_CARD_LIST, 95 PBAP_W4_GET_CARD_LIST_COMPLETE, 96 // - pull vcard entry 97 PBAP_W2_GET_CARD_ENTRY, 98 PBAP_W4_GET_CARD_ENTRY_COMPLETE 99 100 } pbap_state_t; 101 102 typedef enum { 103 SRM_DISABLED, 104 SRM_W4_CONFIRM, 105 SRM_ENABLED_BUT_WAITING, 106 SRM_ENABLED 107 } srm_state_t; 108 109 typedef struct pbap_client { 110 pbap_state_t state; 111 uint16_t cid; 112 bd_addr_t bd_addr; 113 hci_con_handle_t con_handle; 114 uint8_t incoming; 115 uint16_t goep_cid; 116 btstack_packet_handler_t client_handler; 117 int request_number; 118 srm_state_t srm_state; 119 const char * current_folder; 120 const char * phone_number; 121 const char * phonebook_path; 122 const char * vcard_name; 123 uint16_t set_path_offset; 124 /* vcard selector / operator */ 125 uint32_t vcard_selector; 126 uint8_t vcard_selector_operator; 127 uint8_t vcard_selector_supported; 128 /* abort */ 129 uint8_t abort_operation; 130 /* authentication */ 131 uint8_t authentication_options; 132 uint16_t authentication_nonce[16]; 133 const char * authentication_password; 134 /* xml parser */ 135 yxml_t xml_parser; 136 uint8_t xml_buffer[50]; 137 /* vcard listing parser */ 138 bool parser_card_found; 139 bool parser_name_found; 140 bool parser_handle_found; 141 char parser_name[PBAP_MAX_NAME_LEN]; 142 char parser_handle[PBAP_MAX_HANDLE_LEN]; 143 /* flow control mode */ 144 uint8_t flow_control_enabled; 145 uint8_t flow_next_triggered; 146 } pbap_client_t; 147 148 static uint32_t pbap_client_supported_features; 149 150 static pbap_client_t pbap_client_singleton; 151 static pbap_client_t * pbap_client = &pbap_client_singleton; 152 153 static void pbap_client_emit_connected_event(pbap_client_t * context, uint8_t status){ 154 uint8_t event[15]; 155 int pos = 0; 156 event[pos++] = HCI_EVENT_PBAP_META; 157 pos++; // skip len 158 event[pos++] = PBAP_SUBEVENT_CONNECTION_OPENED; 159 little_endian_store_16(event,pos,context->cid); 160 pos+=2; 161 event[pos++] = status; 162 (void)memcpy(&event[pos], context->bd_addr, 6); 163 pos += 6; 164 little_endian_store_16(event,pos,context->con_handle); 165 pos += 2; 166 event[pos++] = context->incoming; 167 event[1] = pos - 2; 168 if (pos != sizeof(event)) log_error("goep_client_emit_connected_event size %u", pos); 169 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 170 } 171 172 static void pbap_client_emit_connection_closed_event(pbap_client_t * context){ 173 uint8_t event[5]; 174 int pos = 0; 175 event[pos++] = HCI_EVENT_PBAP_META; 176 pos++; // skip len 177 event[pos++] = PBAP_SUBEVENT_CONNECTION_CLOSED; 178 little_endian_store_16(event,pos,context->cid); 179 pos+=2; 180 event[1] = pos - 2; 181 if (pos != sizeof(event)) log_error("pbap_client_emit_connection_closed_event size %u", pos); 182 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 183 } 184 185 static void pbap_client_emit_operation_complete_event(pbap_client_t * context, uint8_t status){ 186 uint8_t event[6]; 187 int pos = 0; 188 event[pos++] = HCI_EVENT_PBAP_META; 189 pos++; // skip len 190 event[pos++] = PBAP_SUBEVENT_OPERATION_COMPLETED; 191 little_endian_store_16(event,pos,context->cid); 192 pos+=2; 193 event[pos++]= status; 194 event[1] = pos - 2; 195 if (pos != sizeof(event)) log_error("pbap_client_emit_can_send_now_event size %u", pos); 196 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 197 } 198 199 static void pbap_client_emit_phonebook_size_event(pbap_client_t * context, uint8_t status, uint16_t phonebook_size){ 200 uint8_t event[8]; 201 int pos = 0; 202 event[pos++] = HCI_EVENT_PBAP_META; 203 pos++; // skip len 204 event[pos++] = PBAP_SUBEVENT_PHONEBOOK_SIZE; 205 little_endian_store_16(event,pos,context->cid); 206 pos+=2; 207 event[pos++] = status; 208 little_endian_store_16(event,pos, phonebook_size); 209 pos+=2; 210 event[1] = pos - 2; 211 if (pos != sizeof(event)) log_error("pbap_client_emit_phonebook_size_event size %u", pos); 212 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 213 } 214 215 static void pbap_client_emit_authentication_event(pbap_client_t * context, uint8_t options){ 216 // split options 217 uint8_t user_id_required = (options & 1) ? 1 : 0; 218 uint8_t full_access = (options & 2) ? 1 : 0; 219 220 uint8_t event[7]; 221 int pos = 0; 222 event[pos++] = HCI_EVENT_PBAP_META; 223 pos++; // skip len 224 event[pos++] = PBAP_SUBEVENT_AUTHENTICATION_REQUEST; 225 little_endian_store_16(event,pos,context->cid); 226 pos+=2; 227 event[pos++] = user_id_required; 228 event[pos++] = full_access; 229 if (pos != sizeof(event)) log_error("pbap_client_emit_authentication_event size %u", pos); 230 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 231 } 232 233 static void pbap_client_emit_card_result_event(pbap_client_t * context, const char * name, const char * handle){ 234 uint8_t event[5 + PBAP_MAX_NAME_LEN + PBAP_MAX_HANDLE_LEN]; 235 int pos = 0; 236 event[pos++] = HCI_EVENT_PBAP_META; 237 pos++; // skip len 238 event[pos++] = PBAP_SUBEVENT_CARD_RESULT; 239 little_endian_store_16(event,pos,context->cid); 240 pos+=2; 241 int name_len = btstack_min(PBAP_MAX_NAME_LEN, strlen(name)); 242 event[pos++] = name_len; 243 (void)memcpy(&event[pos], name, name_len); 244 pos += name_len; 245 int handle_len = btstack_min(PBAP_MAX_HANDLE_LEN, strlen(handle)); 246 event[pos++] = handle_len; 247 (void)memcpy(&event[pos], handle, handle_len); 248 pos += handle_len; 249 event[1] = pos - 2; 250 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 251 } 252 253 static const uint8_t collon = (uint8_t) ':'; 254 255 static void pbap_client_vcard_listing_init_parser(pbap_client_t * client){ 256 yxml_init(&client->xml_parser, client->xml_buffer, sizeof(client->xml_buffer)); 257 client->parser_card_found = false; 258 client->parser_name_found = false; 259 client->parser_handle_found = false; 260 } 261 262 static void pbap_handle_can_send_now(void){ 263 uint16_t path_element_start; 264 uint16_t path_element_len; 265 const char * path_element; 266 uint8_t application_parameters[PBAP_MAX_PHONE_NUMBER_LEN + 10]; 267 uint8_t challenge_response[36]; 268 int i; 269 uint16_t phone_number_len; 270 271 MD5_CTX md5_ctx; 272 273 if (pbap_client->abort_operation){ 274 pbap_client->abort_operation = 0; 275 pbap_client->state = PBAP_CONNECTED; 276 goep_client_request_create_abort(pbap_client->goep_cid); 277 goep_client_execute(pbap_client->goep_cid); 278 return; 279 } 280 281 switch (pbap_client->state){ 282 case PBAP_W2_SEND_CONNECT_REQUEST: 283 goep_client_request_create_connect(pbap_client->goep_cid, OBEX_VERSION, 0, OBEX_MAX_PACKETLEN_DEFAULT); 284 goep_client_header_add_target(pbap_client->goep_cid, pbap_uuid, 16); 285 // Mandatory if the PSE advertises a PbapSupportedFeatures attribute in its SDP record, else excluded. 286 if (goep_client_get_pbap_supported_features(pbap_client->goep_cid) != PBAP_FEATURES_NOT_PRESENT){ 287 application_parameters[0] = PBAP_APPLICATION_PARAMETER_PBAP_SUPPORTED_FEATURES; 288 application_parameters[1] = 4; 289 big_endian_store_32(application_parameters, 2, pbap_client_supported_features); 290 goep_client_header_add_application_parameters(pbap_client->goep_cid, &application_parameters[0], 6); 291 } 292 pbap_client->state = PBAP_W4_CONNECT_RESPONSE; 293 goep_client_execute(pbap_client->goep_cid); 294 break; 295 case PBAP_W2_SEND_AUTHENTICATED_CONNECT: 296 goep_client_request_create_connect(pbap_client->goep_cid, OBEX_VERSION, 0, OBEX_MAX_PACKETLEN_DEFAULT); 297 goep_client_header_add_target(pbap_client->goep_cid, pbap_uuid, 16); 298 // setup authentication challenge response 299 i = 0; 300 challenge_response[i++] = 0; // Tag Digest 301 challenge_response[i++] = 16; // Len 302 // calculate md5 303 MD5_Init(&md5_ctx); 304 MD5_Update(&md5_ctx, pbap_client->authentication_nonce, 16); 305 MD5_Update(&md5_ctx, &collon, 1); 306 MD5_Update(&md5_ctx, pbap_client->authentication_password, strlen(pbap_client->authentication_password)); 307 MD5_Final(&challenge_response[i], &md5_ctx); 308 i += 16; 309 challenge_response[i++] = 2; // Tag Nonce 310 challenge_response[i++] = 16; // Len 311 (void)memcpy(&challenge_response[i], 312 pbap_client->authentication_nonce, 16); 313 i += 16; 314 goep_client_header_add_challenge_response(pbap_client->goep_cid, challenge_response, i); 315 pbap_client->state = PBAP_W4_CONNECT_RESPONSE; 316 goep_client_execute(pbap_client->goep_cid); 317 break; 318 case PBAP_W2_SEND_DISCONNECT_REQUEST: 319 goep_client_request_create_disconnect(pbap_client->goep_cid); 320 pbap_client->state = PBAP_W4_DISCONNECT_RESPONSE; 321 goep_client_execute(pbap_client->goep_cid); 322 return; 323 case PBAP_W2_PULL_PHONEBOOK: 324 case PBAP_W2_GET_PHONEBOOK_SIZE: 325 goep_client_request_create_get(pbap_client->goep_cid); 326 if (pbap_client->request_number == 0){ 327 if (!pbap_client->flow_control_enabled){ 328 goep_client_header_add_srm_enable(pbap_client->goep_cid); 329 pbap_client->srm_state = SRM_W4_CONFIRM; 330 } 331 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->phonebook_path); 332 goep_client_header_add_type(pbap_client->goep_cid, pbap_phonebook_type); 333 i = 0; 334 if (pbap_client->vcard_selector_supported){ 335 // vCard Selector 336 if (pbap_client->vcard_selector){ 337 application_parameters[i++] = PBAP_APPLICATION_PARAMETER_VCARD_SELECTOR; 338 application_parameters[i++] = 8; 339 memset(&application_parameters[i], 0, 4); 340 i += 4; 341 big_endian_store_32(application_parameters, i, pbap_client->vcard_selector); 342 i += 4; 343 } 344 // vCard Selector Operator 345 if (pbap_client->vcard_selector_operator != PBAP_VCARD_SELECTOR_OPERATOR_OR){ 346 application_parameters[i++] = PBAP_APPLICATION_PARAMETER_VCARD_SELECTOR_OPERATOR; 347 application_parameters[i++] = 1; 348 application_parameters[i++] = pbap_client->vcard_selector_operator; 349 } 350 } 351 if (pbap_client->state == PBAP_W2_GET_PHONEBOOK_SIZE){ 352 // Regular TLV wih 1-byte len 353 application_parameters[i++] = PBAP_APPLICATION_PARAMETER_MAX_LIST_COUNT; 354 application_parameters[i++] = 2; 355 big_endian_store_16(application_parameters, 2, 0); 356 i += 2; 357 } 358 if (i){ 359 goep_client_header_add_application_parameters(pbap_client->goep_cid, application_parameters, i); 360 } 361 } 362 if (pbap_client->state == PBAP_W2_GET_PHONEBOOK_SIZE){ 363 // state 364 pbap_client->state = PBAP_W4_GET_PHONEBOOK_SIZE_COMPLETE; 365 } else { 366 // state 367 pbap_client->state = PBAP_W4_PHONEBOOK; 368 } 369 // send packet 370 pbap_client->request_number++; 371 goep_client_execute(pbap_client->goep_cid); 372 break; 373 case PBAP_W2_GET_CARD_LIST: 374 goep_client_request_create_get(pbap_client->goep_cid); 375 if (pbap_client->request_number == 0){ 376 if (!pbap_client->flow_control_enabled){ 377 goep_client_header_add_srm_enable(pbap_client->goep_cid); 378 pbap_client->srm_state = SRM_W4_CONFIRM; 379 } 380 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->phonebook_path); 381 goep_client_header_add_type(pbap_client->goep_cid, pbap_vcard_listing_type); 382 i = 0; 383 if (pbap_client->vcard_selector_supported){ 384 // vCard Selector 385 if (pbap_client->vcard_selector){ 386 application_parameters[i++] = PBAP_APPLICATION_PARAMETER_VCARD_SELECTOR; 387 application_parameters[i++] = 8; 388 memset(&application_parameters[i], 0, 4); 389 i += 4; 390 big_endian_store_32(application_parameters, i, pbap_client->vcard_selector); 391 i += 4; 392 } 393 // vCard Selector Operator 394 if (pbap_client->vcard_selector_operator != PBAP_VCARD_SELECTOR_OPERATOR_OR){ 395 application_parameters[i++] = PBAP_APPLICATION_PARAMETER_VCARD_SELECTOR_OPERATOR; 396 application_parameters[i++] = 1; 397 application_parameters[i++] = pbap_client->vcard_selector_operator; 398 } 399 } 400 if (pbap_client->phone_number){ 401 // Search by phone number 402 phone_number_len = btstack_min(PBAP_MAX_PHONE_NUMBER_LEN, strlen(pbap_client->phone_number)); 403 application_parameters[i++] = PBAP_APPLICATION_PARAMETER_SEARCH_VALUE; 404 application_parameters[i++] = phone_number_len; 405 (void)memcpy(&application_parameters[i], 406 pbap_client->phone_number, phone_number_len); 407 i += phone_number_len; 408 application_parameters[i++] = PBAP_APPLICATION_PARAMETER_SEARCH_PROPERTY; 409 application_parameters[i++] = 1; 410 application_parameters[i++] = 0x01; // Number 411 } 412 if (i){ 413 goep_client_header_add_application_parameters(pbap_client->goep_cid, &application_parameters[0], i); 414 } 415 } 416 417 // send packet 418 pbap_client->state = PBAP_W4_GET_CARD_LIST_COMPLETE; 419 pbap_client->request_number++; 420 goep_client_execute(pbap_client->goep_cid); 421 break; 422 case PBAP_W2_GET_CARD_ENTRY: 423 goep_client_request_create_get(pbap_client->goep_cid); 424 if (pbap_client->request_number == 0){ 425 if (!pbap_client->flow_control_enabled){ 426 goep_client_header_add_srm_enable(pbap_client->goep_cid); 427 pbap_client->srm_state = SRM_W4_CONFIRM; 428 } 429 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->vcard_name); 430 goep_client_header_add_type(pbap_client->goep_cid, pbap_vcard_entry_type); 431 // TODO: support property selector 432 // TODO: support format 433 i = 0; 434 uint32_t property_selector_lower = 0; 435 uint32_t property_selector_higher = 0; 436 if (strncmp(pbap_client->vcard_name, "X-BT-UID:", 9) == 0) { 437 property_selector_lower = 1U << 31; 438 } 439 if (strncmp(pbap_client->vcard_name, "X-BT-UCI:", 9) == 0) { 440 property_selector_lower = 1U << 30; 441 } 442 if (property_selector_lower != 0){ 443 application_parameters[i++] = PBAP_APPLICATION_PARAMETER_PROPERTY_SELECTOR; 444 application_parameters[i++] = 8; 445 big_endian_store_32(application_parameters, i, property_selector_higher); 446 i += 4; 447 big_endian_store_32(application_parameters, i, property_selector_lower); 448 i += 4; 449 } 450 if (i > 0){ 451 goep_client_header_add_application_parameters(pbap_client->goep_cid, &application_parameters[0], i); 452 } 453 pbap_client->state = PBAP_W4_GET_CARD_ENTRY_COMPLETE; 454 } 455 // send packet 456 pbap_client->request_number++; 457 goep_client_execute(pbap_client->goep_cid); 458 break; 459 case PBAP_W2_SET_PATH_ROOT: 460 goep_client_request_create_set_path(pbap_client->goep_cid, 1 << 1); // Don’t create directory 461 goep_client_header_add_name(pbap_client->goep_cid, ""); 462 // state 463 pbap_client->state = PBAP_W4_SET_PATH_ROOT_COMPLETE; 464 // send packet 465 goep_client_execute(pbap_client->goep_cid); 466 break; 467 case PBAP_W2_SET_PATH_ELEMENT: 468 // find '/' or '\0' 469 path_element_start = pbap_client->set_path_offset; 470 while ((pbap_client->current_folder[pbap_client->set_path_offset] != '\0') && 471 (pbap_client->current_folder[pbap_client->set_path_offset] != '/')){ 472 pbap_client->set_path_offset++; 473 } 474 path_element_len = pbap_client->set_path_offset-path_element_start; 475 path_element = (const char *) &pbap_client->current_folder[path_element_start]; 476 477 // skip / 478 if (pbap_client->current_folder[pbap_client->set_path_offset] == '/'){ 479 pbap_client->set_path_offset++; 480 } 481 482 goep_client_request_create_set_path(pbap_client->goep_cid, 1 << 1); // Don’t create directory 483 goep_client_header_add_name_prefix(pbap_client->goep_cid, path_element, path_element_len); // next element 484 // state 485 pbap_client->state = PBAP_W4_SET_PATH_ELEMENT_COMPLETE; 486 // send packet 487 goep_client_execute(pbap_client->goep_cid); 488 break; 489 default: 490 break; 491 } 492 } 493 494 static void pbap_parse_authentication_challenge(pbap_client_t * context, const uint8_t * challenge_data, uint16_t challenge_len){ 495 int i; 496 497 for (i=0 ; i<challenge_len ; ){ 498 int tag = challenge_data[i]; 499 int len = challenge_data[i + 1]; 500 i += 2; 501 switch (tag) { 502 case 0: 503 if (len != 0x10) { 504 log_error("Invalid OBEX digest len %u", len); 505 return; 506 } 507 (void)memcpy(context->authentication_nonce, &challenge_data[i], 16); 508 break; 509 case 1: 510 context->authentication_options = challenge_data[i]; 511 break; 512 case 2: 513 // TODO: handle charset 514 // charset_code = challenge_data[i]; 515 break; 516 default: 517 break; 518 } 519 i += len; 520 } 521 } 522 523 static void pbap_process_srm_headers(pbap_client_t * context, uint8_t *packet, uint16_t size){ 524 525 if (packet[0] != OBEX_RESP_CONTINUE) return; 526 527 // get SRM and SRMP Headers 528 int srm_value = OBEX_SRM_DISABLE; 529 int srmp_value = OBEX_SRMP_NEXT; 530 obex_iterator_t it; 531 for (obex_iterator_init_with_response_packet(&it, goep_client_get_request_opcode(context->goep_cid), packet, size); obex_iterator_has_more(&it) ; obex_iterator_next(&it)){ 532 uint8_t hi = obex_iterator_get_hi(&it); 533 uint16_t data_len = obex_iterator_get_data_len(&it); 534 const uint8_t * data = obex_iterator_get_data(&it); 535 switch (hi){ 536 case OBEX_HEADER_SINGLE_RESPONSE_MODE: 537 if (data_len != 1) break; 538 srm_value = *data; 539 break; 540 case OBEX_HEADER_SINGLE_RESPONSE_MODE_PARAMETER: 541 if (data_len != 1) break; 542 srmp_value = *data; 543 break; 544 default: 545 break; 546 } 547 } 548 549 // Update SRM state based on SRM haders 550 switch (context->srm_state){ 551 case SRM_W4_CONFIRM: 552 switch (srm_value){ 553 case OBEX_SRM_ENABLE: 554 switch (srmp_value){ 555 case OBEX_SRMP_WAIT: 556 context->srm_state = SRM_ENABLED_BUT_WAITING; 557 break; 558 default: 559 context->srm_state = SRM_ENABLED; 560 break; 561 } 562 break; 563 default: 564 context->srm_state = SRM_DISABLED; 565 break; 566 } 567 break; 568 case SRM_ENABLED_BUT_WAITING: 569 switch (srmp_value){ 570 case OBEX_SRMP_WAIT: 571 context->srm_state = SRM_ENABLED_BUT_WAITING; 572 break; 573 default: 574 context->srm_state = SRM_ENABLED; 575 break; 576 } 577 break; 578 default: 579 break; 580 } 581 log_info("SRM state %u", context->srm_state); 582 } 583 584 static void pbap_client_process_vcard_listing(uint8_t *packet, uint16_t size){ 585 obex_iterator_t it; 586 for (obex_iterator_init_with_response_packet(&it, goep_client_get_request_opcode(pbap_client->goep_cid), packet, size); obex_iterator_has_more(&it) ; obex_iterator_next(&it)){ 587 588 uint8_t hi = obex_iterator_get_hi(&it); 589 uint16_t data_len = obex_iterator_get_data_len(&it); 590 const uint8_t * data = obex_iterator_get_data(&it); 591 uint16_t char_len; 592 593 switch (hi){ 594 case OBEX_HEADER_BODY: 595 case OBEX_HEADER_END_OF_BODY: 596 // now try parsing it 597 while (data_len--) { 598 yxml_ret_t r = yxml_parse(&pbap_client->xml_parser, *data++); 599 switch (r) { 600 case YXML_ELEMSTART: 601 pbap_client->parser_card_found = strcmp("card", pbap_client->xml_parser.elem) == 0; 602 break; 603 case YXML_ELEMEND: 604 if (pbap_client->parser_card_found) { 605 pbap_client_emit_card_result_event(pbap_client, pbap_client->parser_name, 606 pbap_client->parser_handle); 607 } 608 pbap_client->parser_card_found = false; 609 break; 610 case YXML_ATTRSTART: 611 if (!pbap_client->parser_card_found) break; 612 if (strcmp("name", pbap_client->xml_parser.attr) == 0) { 613 pbap_client->parser_name_found = true; 614 pbap_client->parser_name[0] = 0; 615 break; 616 } 617 if (strcmp("handle", pbap_client->xml_parser.attr) == 0) { 618 pbap_client->parser_handle_found = true; 619 pbap_client->parser_handle[0] = 0; 620 break; 621 } 622 break; 623 case YXML_ATTRVAL: 624 if (pbap_client->parser_name_found) { 625 // "In UTF-8, characters from the U+0000..U+10FFFF range (the UTF-16 accessible range) are encoded using sequences of 1 to 4 octets." 626 char_len = strlen(pbap_client->xml_parser.data); 627 if ((strlen(pbap_client->parser_name) + char_len + 1) >= 628 sizeof(pbap_client->parser_name)) 629 break; 630 strcat(pbap_client->parser_name, pbap_client->xml_parser.data); 631 break; 632 } 633 if (pbap_client->parser_handle_found) { 634 // "In UTF-8, characters from the U+0000..U+10FFFF range (the UTF-16 accessible range) are encoded using sequences of 1 to 4 octets." 635 char_len = strlen(pbap_client->xml_parser.data); 636 if ((strlen(pbap_client->parser_handle) + char_len + 1) >= 637 sizeof(pbap_client->parser_handle)) 638 break; 639 strcat(pbap_client->parser_handle, pbap_client->xml_parser.data); 640 break; 641 } 642 break; 643 case YXML_ATTREND: 644 pbap_client->parser_name_found = false; 645 pbap_client->parser_handle_found = false; 646 break; 647 default: 648 break; 649 } 650 } 651 break; 652 default: 653 break; 654 } 655 } 656 } 657 static void pbap_packet_handler_hci(uint8_t *packet, uint16_t size){ 658 UNUSED(size); 659 uint8_t status; 660 switch (hci_event_packet_get_type(packet)) { 661 case HCI_EVENT_GOEP_META: 662 switch (hci_event_goep_meta_get_subevent_code(packet)){ 663 case GOEP_SUBEVENT_CONNECTION_OPENED: 664 status = goep_subevent_connection_opened_get_status(packet); 665 pbap_client->con_handle = goep_subevent_connection_opened_get_con_handle(packet); 666 pbap_client->incoming = goep_subevent_connection_opened_get_incoming(packet); 667 goep_subevent_connection_opened_get_bd_addr(packet, pbap_client->bd_addr); 668 if (status){ 669 log_info("pbap: connection failed %u", status); 670 pbap_client->state = PBAP_INIT; 671 pbap_client_emit_connected_event(pbap_client, status); 672 } else { 673 log_info("pbap: connection established"); 674 pbap_client->goep_cid = goep_subevent_connection_opened_get_goep_cid(packet); 675 pbap_client->state = PBAP_W2_SEND_CONNECT_REQUEST; 676 goep_client_request_can_send_now(pbap_client->goep_cid); 677 } 678 break; 679 case GOEP_SUBEVENT_CONNECTION_CLOSED: 680 if (pbap_client->state != PBAP_CONNECTED){ 681 pbap_client_emit_operation_complete_event(pbap_client, OBEX_DISCONNECTED); 682 } 683 pbap_client->state = PBAP_INIT; 684 pbap_client_emit_connection_closed_event(pbap_client); 685 break; 686 case GOEP_SUBEVENT_CAN_SEND_NOW: 687 pbap_handle_can_send_now(); 688 break; 689 default: 690 break; 691 } 692 break; 693 default: 694 break; 695 } 696 } 697 698 static void pbap_packet_handler_goep(uint8_t *packet, uint16_t size){ 699 obex_iterator_t it; 700 int wait_for_user = 0; 701 702 // TODO: handle chunked data 703 switch (pbap_client->state){ 704 case PBAP_W4_CONNECT_RESPONSE: 705 switch (packet[0]){ 706 case OBEX_RESP_SUCCESS: 707 for (obex_iterator_init_with_response_packet(&it, goep_client_get_request_opcode(pbap_client->goep_cid), packet, size); obex_iterator_has_more(&it) ; obex_iterator_next(&it)){ 708 uint8_t hi = obex_iterator_get_hi(&it); 709 if (hi == OBEX_HEADER_CONNECTION_ID){ 710 goep_client_set_connection_id(pbap_client->goep_cid, obex_iterator_get_data_32(&it)); 711 } 712 } 713 pbap_client->state = PBAP_CONNECTED; 714 pbap_client->vcard_selector_supported = pbap_client_supported_features & goep_client_get_pbap_supported_features(pbap_client->goep_cid) & PBAP_SUPPORTED_FEATURES_VCARD_SELECTING; 715 pbap_client_emit_connected_event(pbap_client, ERROR_CODE_SUCCESS); 716 break; 717 case OBEX_RESP_UNAUTHORIZED: 718 for (obex_iterator_init_with_response_packet(&it, goep_client_get_request_opcode(pbap_client->goep_cid), packet, size); obex_iterator_has_more(&it) ; obex_iterator_next(&it)){ 719 uint8_t hi = obex_iterator_get_hi(&it); 720 if (hi == OBEX_HEADER_AUTHENTICATION_CHALLENGE){ 721 pbap_parse_authentication_challenge(pbap_client, obex_iterator_get_data(&it), obex_iterator_get_data_len(&it)); 722 } 723 } 724 pbap_client->state = PBAP_W4_USER_AUTHENTICATION; 725 pbap_client_emit_authentication_event(pbap_client, pbap_client->authentication_options); 726 break; 727 default: 728 log_info("pbap: obex connect failed, result 0x%02x", packet[0]); 729 pbap_client->state = PBAP_INIT; 730 pbap_client_emit_connected_event(pbap_client, OBEX_CONNECT_FAILED); 731 break; 732 } 733 break; 734 case PBAP_W4_DISCONNECT_RESPONSE: 735 goep_client_disconnect(pbap_client->goep_cid); 736 break; 737 case PBAP_W4_SET_PATH_ROOT_COMPLETE: 738 case PBAP_W4_SET_PATH_ELEMENT_COMPLETE: 739 if (packet[0] == OBEX_RESP_SUCCESS){ 740 // more path? 741 if (pbap_client->current_folder[pbap_client->set_path_offset]){ 742 pbap_client->state = PBAP_W2_SET_PATH_ELEMENT; 743 goep_client_request_can_send_now(pbap_client->goep_cid); 744 } else { 745 pbap_client->current_folder = NULL; 746 pbap_client->state = PBAP_CONNECTED; 747 pbap_client_emit_operation_complete_event(pbap_client, ERROR_CODE_SUCCESS); 748 } 749 } else if (packet[0] == OBEX_RESP_NOT_FOUND){ 750 pbap_client->state = PBAP_CONNECTED; 751 pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_FOUND); 752 } else { 753 pbap_client->state = PBAP_CONNECTED; 754 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 755 } 756 break; 757 case PBAP_W4_PHONEBOOK: 758 pbap_client->flow_next_triggered = 0; 759 wait_for_user = 0; 760 for (obex_iterator_init_with_response_packet(&it, goep_client_get_request_opcode(pbap_client->goep_cid), packet, size); obex_iterator_has_more(&it) ; obex_iterator_next(&it)){ 761 uint8_t hi = obex_iterator_get_hi(&it); 762 uint16_t data_len = obex_iterator_get_data_len(&it); 763 const uint8_t * data = obex_iterator_get_data(&it); 764 switch (hi){ 765 case OBEX_HEADER_BODY: 766 case OBEX_HEADER_END_OF_BODY: 767 pbap_client->client_handler(PBAP_DATA_PACKET, pbap_client->cid, (uint8_t *) data, data_len); 768 wait_for_user++; 769 if (wait_for_user > 1){ 770 log_error("wait_for_user %u", wait_for_user); 771 } 772 break; 773 default: 774 break; 775 } 776 } 777 switch(packet[0]){ 778 case OBEX_RESP_CONTINUE: 779 pbap_process_srm_headers(pbap_client, packet, size); 780 if (pbap_client->srm_state == SRM_ENABLED) break; 781 pbap_client->state = PBAP_W2_PULL_PHONEBOOK; 782 if (!pbap_client->flow_control_enabled || !wait_for_user || pbap_client->flow_next_triggered) { 783 goep_client_request_can_send_now(pbap_client->goep_cid); 784 } 785 break; 786 case OBEX_RESP_SUCCESS: 787 pbap_client->state = PBAP_CONNECTED; 788 pbap_client_emit_operation_complete_event(pbap_client, 0); 789 break; 790 default: 791 log_info("unexpected response 0x%02x", packet[0]); 792 pbap_client->state = PBAP_CONNECTED; 793 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 794 break; 795 } 796 break; 797 case PBAP_W4_GET_PHONEBOOK_SIZE_COMPLETE: 798 pbap_client->state = PBAP_CONNECTED; 799 if (packet[0] == OBEX_RESP_SUCCESS){ 800 int have_size = 0; 801 uint16_t phonebook_size; 802 for (obex_iterator_init_with_response_packet(&it, goep_client_get_request_opcode(pbap_client->goep_cid), packet, size); obex_iterator_has_more(&it) ; obex_iterator_next(&it)){ 803 uint8_t hi = obex_iterator_get_hi(&it); 804 if (hi == OBEX_HEADER_APPLICATION_PARAMETERS){ 805 uint16_t data_len = obex_iterator_get_data_len(&it); 806 const uint8_t * data = obex_iterator_get_data(&it); 807 // iterate over application headers (TLV with 1 bytes len) 808 unsigned int i = 0; 809 while (i<data_len){ 810 uint8_t tag = data[i++]; 811 uint8_t len = data[i++]; 812 if ((tag == PBAP_APPLICATION_PARAMETER_PHONEBOOK_SIZE) && (len == 2)){ 813 have_size = 1; 814 phonebook_size = big_endian_read_16(data, i); 815 } 816 i+=len; 817 } 818 } 819 } 820 if (have_size){ 821 pbap_client_emit_phonebook_size_event(pbap_client, 0, phonebook_size); 822 break; 823 } 824 } 825 pbap_client_emit_phonebook_size_event(pbap_client, OBEX_UNKNOWN_ERROR, 0); 826 break; 827 case PBAP_W4_GET_CARD_LIST_COMPLETE: 828 switch (packet[0]){ 829 case OBEX_RESP_CONTINUE: 830 // process data 831 pbap_client_process_vcard_listing(packet, size); 832 // handle continue 833 pbap_process_srm_headers(pbap_client, packet, size); 834 if (pbap_client->srm_state == SRM_ENABLED) break; 835 pbap_client->state = PBAP_W2_GET_CARD_LIST; 836 if (!pbap_client->flow_control_enabled || !wait_for_user || pbap_client->flow_next_triggered) { 837 goep_client_request_can_send_now(pbap_client->goep_cid); 838 } 839 break; 840 case OBEX_RESP_SUCCESS: 841 // process data 842 pbap_client_process_vcard_listing(packet, size); 843 // done 844 pbap_client->state = PBAP_CONNECTED; 845 pbap_client_emit_operation_complete_event(pbap_client, 0); 846 break; 847 case OBEX_RESP_NOT_ACCEPTABLE: 848 pbap_client->state = PBAP_CONNECTED; 849 pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_ACCEPTABLE); 850 break; 851 default: 852 log_info("unexpected response 0x%02x", packet[0]); 853 pbap_client->state = PBAP_CONNECTED; 854 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 855 break; 856 } 857 break; 858 case PBAP_W4_GET_CARD_ENTRY_COMPLETE: 859 switch (packet[0]){ 860 case OBEX_RESP_CONTINUE: 861 pbap_process_srm_headers(pbap_client, packet, size); 862 if (pbap_client->srm_state == SRM_ENABLED) break; 863 pbap_client->state = PBAP_W2_GET_CARD_ENTRY; 864 if (!pbap_client->flow_control_enabled || !wait_for_user || pbap_client->flow_next_triggered) { 865 goep_client_request_can_send_now(pbap_client->goep_cid); 866 } 867 break; 868 case OBEX_RESP_SUCCESS: 869 pbap_client->state = PBAP_CONNECTED; 870 pbap_client_emit_operation_complete_event(pbap_client, 0); 871 break; 872 case OBEX_RESP_NOT_ACCEPTABLE: 873 pbap_client->state = PBAP_CONNECTED; 874 pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_ACCEPTABLE); 875 break; 876 default: 877 log_info("unexpected response 0x%02x", packet[0]); 878 pbap_client->state = PBAP_CONNECTED; 879 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 880 break; 881 } 882 break; 883 default: 884 break; 885 } 886 } 887 888 static void pbap_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 889 UNUSED(channel); // ok: there is no channel 890 UNUSED(size); // ok: handling own geop events 891 892 switch (packet_type){ 893 case HCI_EVENT_PACKET: 894 pbap_packet_handler_hci(packet, size); 895 break; 896 case GOEP_DATA_PACKET: 897 pbap_packet_handler_goep(packet, size); 898 break; 899 default: 900 break; 901 } 902 } 903 904 static void pbap_client_reset_state(void) { 905 pbap_client_supported_features = 906 PBAP_SUPPORTED_FEATURES_DOWNLOAD | 907 PBAP_SUPPORTED_FEATURES_BROWSING | 908 PBAP_SUPPORTED_FEATURES_DATABASE_IDENTIFIER | 909 PBAP_SUPPORTED_FEATURES_FOLDER_VERSION_COUNTERS | 910 PBAP_SUPPORTED_FEATURES_VCARD_SELECTING | 911 PBAP_SUPPORTED_FEATURES_ENHANCED_MISSED_CALLS | 912 PBAP_SUPPORTED_FEATURES_DEFAULT_CONTACT_IMAGE_FORMAT | 913 PBAP_SUPPORTED_FEATURES_X_BT_UCI_VCARD_PROPERTY | 914 PBAP_SUPPORTED_FEATURES_X_BT_UID_VCARD_PROPERTY | 915 PBAP_SUPPORTED_FEATURES_CONTACT_REFERENCING; 916 pbap_client->state = PBAP_INIT; 917 pbap_client->cid = 1; 918 } 919 920 void pbap_client_init(void){ 921 pbap_client_reset_state(); 922 } 923 924 void pbap_client_deinit(void){ 925 pbap_client_reset_state(); 926 memset(pbap_client, 0, sizeof(pbap_client_t)); 927 } 928 929 uint8_t pbap_connect(btstack_packet_handler_t handler, bd_addr_t addr, uint16_t * out_cid){ 930 if (pbap_client->state != PBAP_INIT){ 931 return BTSTACK_MEMORY_ALLOC_FAILED; 932 } 933 934 pbap_client->state = PBAP_W4_GOEP_CONNECTION; 935 pbap_client->client_handler = handler; 936 pbap_client->vcard_selector = 0; 937 pbap_client->vcard_selector_operator = PBAP_VCARD_SELECTOR_OPERATOR_OR; 938 939 uint8_t err = goep_client_create_connection(&pbap_packet_handler, addr, BLUETOOTH_SERVICE_CLASS_PHONEBOOK_ACCESS_PSE, &pbap_client->goep_cid); 940 *out_cid = pbap_client->cid; 941 if (err) return err; 942 return ERROR_CODE_SUCCESS; 943 } 944 945 uint8_t pbap_disconnect(uint16_t pbap_cid){ 946 UNUSED(pbap_cid); 947 if (pbap_client->state != PBAP_CONNECTED){ 948 return BTSTACK_BUSY; 949 } 950 pbap_client->state = PBAP_W2_SEND_DISCONNECT_REQUEST; 951 goep_client_request_can_send_now(pbap_client->goep_cid); 952 return ERROR_CODE_SUCCESS; 953 } 954 955 uint8_t pbap_get_phonebook_size(uint16_t pbap_cid, const char * path){ 956 UNUSED(pbap_cid); 957 if (pbap_client->state != PBAP_CONNECTED){ 958 return BTSTACK_BUSY; 959 } 960 pbap_client->state = PBAP_W2_GET_PHONEBOOK_SIZE; 961 pbap_client->phonebook_path = path; 962 pbap_client->request_number = 0; 963 goep_client_request_can_send_now(pbap_client->goep_cid); 964 return ERROR_CODE_SUCCESS; 965 } 966 967 uint8_t pbap_pull_phonebook(uint16_t pbap_cid, const char * path){ 968 UNUSED(pbap_cid); 969 if (pbap_client->state != PBAP_CONNECTED){ 970 return BTSTACK_BUSY; 971 } 972 pbap_client->state = PBAP_W2_PULL_PHONEBOOK; 973 pbap_client->phonebook_path = path; 974 pbap_client->request_number = 0; 975 goep_client_request_can_send_now(pbap_client->goep_cid); 976 return ERROR_CODE_SUCCESS; 977 } 978 979 uint8_t pbap_set_phonebook(uint16_t pbap_cid, const char * path){ 980 UNUSED(pbap_cid); 981 if (pbap_client->state != PBAP_CONNECTED){ 982 return BTSTACK_BUSY; 983 } 984 pbap_client->state = PBAP_W2_SET_PATH_ROOT; 985 pbap_client->current_folder = path; 986 pbap_client->set_path_offset = 0; 987 goep_client_request_can_send_now(pbap_client->goep_cid); 988 return ERROR_CODE_SUCCESS; 989 } 990 991 uint8_t pbap_authentication_password(uint16_t pbap_cid, const char * password){ 992 UNUSED(pbap_cid); 993 if (pbap_client->state != PBAP_W4_USER_AUTHENTICATION){ 994 return BTSTACK_BUSY; 995 } 996 pbap_client->state = PBAP_W2_SEND_AUTHENTICATED_CONNECT; 997 pbap_client->authentication_password = password; 998 goep_client_request_can_send_now(pbap_client->goep_cid); 999 return ERROR_CODE_SUCCESS; 1000 } 1001 1002 uint8_t pbap_pull_vcard_listing(uint16_t pbap_cid, const char * path){ 1003 UNUSED(pbap_cid); 1004 if (pbap_client->state != PBAP_CONNECTED){ 1005 return BTSTACK_BUSY; 1006 } 1007 pbap_client->state = PBAP_W2_GET_CARD_LIST; 1008 pbap_client->phonebook_path = path; 1009 pbap_client->phone_number = NULL; 1010 pbap_client->request_number = 0; 1011 pbap_client_vcard_listing_init_parser(pbap_client); 1012 goep_client_request_can_send_now(pbap_client->goep_cid); 1013 return ERROR_CODE_SUCCESS; 1014 } 1015 1016 uint8_t pbap_pull_vcard_entry(uint16_t pbap_cid, const char * path){ 1017 UNUSED(pbap_cid); 1018 if (pbap_client->state != PBAP_CONNECTED){ 1019 return BTSTACK_BUSY; 1020 } 1021 pbap_client->state = PBAP_W2_GET_CARD_ENTRY; 1022 // pbap_client->phonebook_path = NULL; 1023 // pbap_client->phone_number = NULL; 1024 pbap_client->vcard_name = path; 1025 pbap_client->request_number = 0; 1026 goep_client_request_can_send_now(pbap_client->goep_cid); 1027 return ERROR_CODE_SUCCESS; 1028 } 1029 1030 uint8_t pbap_lookup_by_number(uint16_t pbap_cid, const char * phone_number){ 1031 UNUSED(pbap_cid); 1032 if (pbap_client->state != PBAP_CONNECTED){ 1033 return BTSTACK_BUSY; 1034 } 1035 pbap_client->state = PBAP_W2_GET_CARD_LIST; 1036 pbap_client->phonebook_path = pbap_vcard_listing_name; 1037 pbap_client->phone_number = phone_number; 1038 pbap_client->request_number = 0; 1039 pbap_client_vcard_listing_init_parser(pbap_client); 1040 goep_client_request_can_send_now(pbap_client->goep_cid); 1041 return ERROR_CODE_SUCCESS; 1042 } 1043 1044 uint8_t pbap_abort(uint16_t pbap_cid){ 1045 UNUSED(pbap_cid); 1046 if (pbap_client->state != PBAP_CONNECTED){ 1047 return BTSTACK_BUSY; 1048 } 1049 log_info("abort current operation, state 0x%02x", pbap_client->state); 1050 pbap_client->abort_operation = 1; 1051 return ERROR_CODE_SUCCESS; 1052 } 1053 1054 uint8_t pbap_next_packet(uint16_t pbap_cid){ 1055 // log_info("pbap_next_packet, state %x", pbap_client->state); 1056 UNUSED(pbap_cid); 1057 if (!pbap_client->flow_control_enabled){ 1058 return ERROR_CODE_SUCCESS; 1059 } 1060 switch (pbap_client->state){ 1061 case PBAP_W2_PULL_PHONEBOOK: 1062 goep_client_request_can_send_now(pbap_client->goep_cid); 1063 break; 1064 case PBAP_W4_PHONEBOOK: 1065 pbap_client->flow_next_triggered = 1; 1066 break; 1067 default: 1068 break; 1069 } 1070 return ERROR_CODE_SUCCESS; 1071 } 1072 1073 uint8_t pbap_set_flow_control_mode(uint16_t pbap_cid, int enable){ 1074 UNUSED(pbap_cid); 1075 if (pbap_client->state != PBAP_CONNECTED){ 1076 return BTSTACK_BUSY; 1077 } 1078 pbap_client->flow_control_enabled = enable; 1079 return ERROR_CODE_SUCCESS; 1080 } 1081 1082 uint8_t pbap_set_vcard_selector(uint16_t pbap_cid, uint32_t vcard_selector){ 1083 UNUSED(pbap_cid); 1084 if (pbap_client->state != PBAP_CONNECTED){ 1085 return BTSTACK_BUSY; 1086 } 1087 pbap_client->vcard_selector = vcard_selector; 1088 return ERROR_CODE_SUCCESS; 1089 } 1090 1091 uint8_t pbap_set_vcard_selector_operator(uint16_t pbap_cid, int vcard_selector_operator){ 1092 UNUSED(pbap_cid); 1093 if (pbap_client->state != PBAP_CONNECTED){ 1094 return BTSTACK_BUSY; 1095 } 1096 pbap_client->vcard_selector_operator = vcard_selector_operator; 1097 return ERROR_CODE_SUCCESS; 1098 } 1099