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 MATTHIAS 24 * RINGWALD 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 uint8_t path_element[20]; 264 uint16_t path_element_start; 265 uint16_t path_element_len; 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 (void)memcpy(path_element, 476 &pbap_client->current_folder[path_element_start], 477 path_element_len); 478 path_element[path_element_len] = 0; 479 480 // skip / 481 if (pbap_client->current_folder[pbap_client->set_path_offset] == '/'){ 482 pbap_client->set_path_offset++; 483 } 484 485 // status 486 log_info("Path element '%s'", path_element); 487 488 goep_client_request_create_set_path(pbap_client->goep_cid, 1 << 1); // Don’t create directory 489 goep_client_header_add_name(pbap_client->goep_cid, (const char *) path_element); // next element 490 // state 491 pbap_client->state = PBAP_W4_SET_PATH_ELEMENT_COMPLETE; 492 // send packet 493 goep_client_execute(pbap_client->goep_cid); 494 break; 495 default: 496 break; 497 } 498 } 499 500 static void pbap_parse_authentication_challenge(pbap_client_t * context, const uint8_t * challenge_data, uint16_t challenge_len){ 501 int i; 502 503 for (i=0 ; i<challenge_len ; ){ 504 int tag = challenge_data[i]; 505 int len = challenge_data[i + 1]; 506 i += 2; 507 switch (tag) { 508 case 0: 509 if (len != 0x10) { 510 log_error("Invalid OBEX digest len %u", len); 511 return; 512 } 513 (void)memcpy(context->authentication_nonce, &challenge_data[i], 16); 514 break; 515 case 1: 516 context->authentication_options = challenge_data[i]; 517 break; 518 case 2: 519 // TODO: handle charset 520 // charset_code = challenge_data[i]; 521 break; 522 default: 523 break; 524 } 525 i += len; 526 } 527 } 528 529 static void pbap_process_srm_headers(pbap_client_t * context, uint8_t *packet, uint16_t size){ 530 531 if (packet[0] != OBEX_RESP_CONTINUE) return; 532 533 // get SRM and SRMP Headers 534 int srm_value = OBEX_SRM_DISABLE; 535 int srmp_value = OBEX_SRMP_NEXT; 536 obex_iterator_t it; 537 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)){ 538 uint8_t hi = obex_iterator_get_hi(&it); 539 uint16_t data_len = obex_iterator_get_data_len(&it); 540 const uint8_t * data = obex_iterator_get_data(&it); 541 switch (hi){ 542 case OBEX_HEADER_SINGLE_RESPONSE_MODE: 543 if (data_len != 1) break; 544 srm_value = *data; 545 break; 546 case OBEX_HEADER_SINGLE_RESPONSE_MODE_PARAMETER: 547 if (data_len != 1) break; 548 srmp_value = *data; 549 break; 550 default: 551 break; 552 } 553 } 554 555 // Update SRM state based on SRM haders 556 switch (context->srm_state){ 557 case SRM_W4_CONFIRM: 558 switch (srm_value){ 559 case OBEX_SRM_ENABLE: 560 switch (srmp_value){ 561 case OBEX_SRMP_WAIT: 562 context->srm_state = SRM_ENABLED_BUT_WAITING; 563 break; 564 default: 565 context->srm_state = SRM_ENABLED; 566 break; 567 } 568 break; 569 default: 570 context->srm_state = SRM_DISABLED; 571 break; 572 } 573 break; 574 case SRM_ENABLED_BUT_WAITING: 575 switch (srmp_value){ 576 case OBEX_SRMP_WAIT: 577 context->srm_state = SRM_ENABLED_BUT_WAITING; 578 break; 579 default: 580 context->srm_state = SRM_ENABLED; 581 break; 582 } 583 break; 584 default: 585 break; 586 } 587 log_info("SRM state %u", context->srm_state); 588 } 589 590 static void pbap_client_process_vcard_listing(uint8_t *packet, uint16_t size){ 591 obex_iterator_t it; 592 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)){ 593 uint8_t hi = obex_iterator_get_hi(&it); 594 if ((hi == OBEX_HEADER_END_OF_BODY) || 595 (hi == OBEX_HEADER_BODY)){ 596 uint16_t data_len = obex_iterator_get_data_len(&it); 597 const uint8_t * data = obex_iterator_get_data(&it); 598 // now try parsing it 599 uint16_t char_len; 600 while (data_len--){ 601 yxml_ret_t r = yxml_parse(&pbap_client->xml_parser, *data++); 602 switch (r){ 603 case YXML_ELEMSTART: 604 pbap_client->parser_card_found = strcmp("card", pbap_client->xml_parser.elem) == 0; 605 break; 606 case YXML_ELEMEND: 607 if (pbap_client->parser_card_found){ 608 pbap_client_emit_card_result_event(pbap_client, pbap_client->parser_name, pbap_client->parser_handle); 609 } 610 pbap_client->parser_card_found = false; 611 break; 612 case YXML_ATTRSTART: 613 if (!pbap_client->parser_card_found) break; 614 if (strcmp("name", pbap_client->xml_parser.attr) == 0){ 615 pbap_client->parser_name_found = true; 616 pbap_client->parser_name[0] = 0; 617 break; 618 } 619 if (strcmp("handle", pbap_client->xml_parser.attr) == 0){ 620 pbap_client->parser_handle_found = true; 621 pbap_client->parser_handle[0] = 0; 622 break; 623 } 624 break; 625 case YXML_ATTRVAL: 626 if (pbap_client->parser_name_found) { 627 // "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." 628 char_len = strlen(pbap_client->xml_parser.data); 629 if ((strlen(pbap_client->parser_name) + char_len + 1) >= sizeof(pbap_client->parser_name)) 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) >= sizeof(pbap_client->parser_handle)) break; 637 strcat(pbap_client->parser_handle, pbap_client->xml_parser.data); 638 break; 639 } 640 break; 641 case YXML_ATTREND: 642 pbap_client->parser_name_found = false; 643 pbap_client->parser_handle_found = false; 644 break; 645 default: 646 break; 647 } 648 } 649 } 650 } 651 } 652 static void pbap_packet_handler_hci(uint8_t *packet, uint16_t size){ 653 UNUSED(size); 654 uint8_t status; 655 switch (hci_event_packet_get_type(packet)) { 656 case HCI_EVENT_GOEP_META: 657 switch (hci_event_goep_meta_get_subevent_code(packet)){ 658 case GOEP_SUBEVENT_CONNECTION_OPENED: 659 status = goep_subevent_connection_opened_get_status(packet); 660 pbap_client->con_handle = goep_subevent_connection_opened_get_con_handle(packet); 661 pbap_client->incoming = goep_subevent_connection_opened_get_incoming(packet); 662 goep_subevent_connection_opened_get_bd_addr(packet, pbap_client->bd_addr); 663 if (status){ 664 log_info("pbap: connection failed %u", status); 665 pbap_client->state = PBAP_INIT; 666 pbap_client_emit_connected_event(pbap_client, status); 667 } else { 668 log_info("pbap: connection established"); 669 pbap_client->goep_cid = goep_subevent_connection_opened_get_goep_cid(packet); 670 pbap_client->state = PBAP_W2_SEND_CONNECT_REQUEST; 671 goep_client_request_can_send_now(pbap_client->goep_cid); 672 } 673 break; 674 case GOEP_SUBEVENT_CONNECTION_CLOSED: 675 if (pbap_client->state != PBAP_CONNECTED){ 676 pbap_client_emit_operation_complete_event(pbap_client, OBEX_DISCONNECTED); 677 } 678 pbap_client->state = PBAP_INIT; 679 pbap_client_emit_connection_closed_event(pbap_client); 680 break; 681 case GOEP_SUBEVENT_CAN_SEND_NOW: 682 pbap_handle_can_send_now(); 683 break; 684 default: 685 break; 686 } 687 break; 688 default: 689 break; 690 } 691 } 692 693 static void pbap_packet_handler_goep(uint8_t *packet, uint16_t size){ 694 obex_iterator_t it; 695 int wait_for_user = 0; 696 697 // TODO: handle chunked data 698 switch (pbap_client->state){ 699 case PBAP_W4_CONNECT_RESPONSE: 700 switch (packet[0]){ 701 case OBEX_RESP_SUCCESS: 702 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)){ 703 uint8_t hi = obex_iterator_get_hi(&it); 704 if (hi == OBEX_HEADER_CONNECTION_ID){ 705 goep_client_set_connection_id(pbap_client->goep_cid, obex_iterator_get_data_32(&it)); 706 } 707 } 708 pbap_client->state = PBAP_CONNECTED; 709 pbap_client->vcard_selector_supported = pbap_client_supported_features & goep_client_get_pbap_supported_features(pbap_client->goep_cid) & PBAP_SUPPORTED_FEATURES_VCARD_SELECTING; 710 pbap_client_emit_connected_event(pbap_client, ERROR_CODE_SUCCESS); 711 break; 712 case OBEX_RESP_UNAUTHORIZED: 713 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)){ 714 uint8_t hi = obex_iterator_get_hi(&it); 715 if (hi == OBEX_HEADER_AUTHENTICATION_CHALLENGE){ 716 pbap_parse_authentication_challenge(pbap_client, obex_iterator_get_data(&it), obex_iterator_get_data_len(&it)); 717 } 718 } 719 pbap_client->state = PBAP_W4_USER_AUTHENTICATION; 720 pbap_client_emit_authentication_event(pbap_client, pbap_client->authentication_options); 721 break; 722 default: 723 log_info("pbap: obex connect failed, result 0x%02x", packet[0]); 724 pbap_client->state = PBAP_INIT; 725 pbap_client_emit_connected_event(pbap_client, OBEX_CONNECT_FAILED); 726 break; 727 } 728 break; 729 case PBAP_W4_DISCONNECT_RESPONSE: 730 goep_client_disconnect(pbap_client->goep_cid); 731 break; 732 case PBAP_W4_SET_PATH_ROOT_COMPLETE: 733 case PBAP_W4_SET_PATH_ELEMENT_COMPLETE: 734 if (packet[0] == OBEX_RESP_SUCCESS){ 735 // more path? 736 if (pbap_client->current_folder[pbap_client->set_path_offset]){ 737 pbap_client->state = PBAP_W2_SET_PATH_ELEMENT; 738 goep_client_request_can_send_now(pbap_client->goep_cid); 739 } else { 740 pbap_client->current_folder = NULL; 741 pbap_client->state = PBAP_CONNECTED; 742 pbap_client_emit_operation_complete_event(pbap_client, ERROR_CODE_SUCCESS); 743 } 744 } else if (packet[0] == OBEX_RESP_NOT_FOUND){ 745 pbap_client->state = PBAP_CONNECTED; 746 pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_FOUND); 747 } else { 748 pbap_client->state = PBAP_CONNECTED; 749 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 750 } 751 break; 752 case PBAP_W4_PHONEBOOK: 753 pbap_client->flow_next_triggered = 0; 754 wait_for_user = 0; 755 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)){ 756 uint8_t hi = obex_iterator_get_hi(&it); 757 uint16_t data_len = obex_iterator_get_data_len(&it); 758 const uint8_t * data = obex_iterator_get_data(&it); 759 switch (hi){ 760 case OBEX_HEADER_BODY: 761 case OBEX_HEADER_END_OF_BODY: 762 pbap_client->client_handler(PBAP_DATA_PACKET, pbap_client->cid, (uint8_t *) data, data_len); 763 wait_for_user++; 764 if (wait_for_user > 1){ 765 log_error("wait_for_user %u", wait_for_user); 766 } 767 break; 768 default: 769 break; 770 } 771 } 772 switch(packet[0]){ 773 case OBEX_RESP_CONTINUE: 774 pbap_process_srm_headers(pbap_client, packet, size); 775 if (pbap_client->srm_state == SRM_ENABLED) break; 776 pbap_client->state = PBAP_W2_PULL_PHONEBOOK; 777 if (!pbap_client->flow_control_enabled || !wait_for_user || pbap_client->flow_next_triggered) { 778 goep_client_request_can_send_now(pbap_client->goep_cid); 779 } 780 break; 781 case OBEX_RESP_SUCCESS: 782 pbap_client->state = PBAP_CONNECTED; 783 pbap_client_emit_operation_complete_event(pbap_client, 0); 784 break; 785 default: 786 log_info("unexpected response 0x%02x", packet[0]); 787 pbap_client->state = PBAP_CONNECTED; 788 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 789 break; 790 } 791 break; 792 case PBAP_W4_GET_PHONEBOOK_SIZE_COMPLETE: 793 pbap_client->state = PBAP_CONNECTED; 794 if (packet[0] == OBEX_RESP_SUCCESS){ 795 int have_size = 0; 796 uint16_t phonebook_size; 797 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)){ 798 uint8_t hi = obex_iterator_get_hi(&it); 799 if (hi == OBEX_HEADER_APPLICATION_PARAMETERS){ 800 uint16_t data_len = obex_iterator_get_data_len(&it); 801 const uint8_t * data = obex_iterator_get_data(&it); 802 // iterate over application headers (TLV with 1 bytes len) 803 unsigned int i = 0; 804 while (i<data_len){ 805 uint8_t tag = data[i++]; 806 uint8_t len = data[i++]; 807 if ((tag == PBAP_APPLICATION_PARAMETER_PHONEBOOK_SIZE) && (len == 2)){ 808 have_size = 1; 809 phonebook_size = big_endian_read_16(data, i); 810 } 811 i+=len; 812 } 813 } 814 } 815 if (have_size){ 816 pbap_client_emit_phonebook_size_event(pbap_client, 0, phonebook_size); 817 break; 818 } 819 } 820 pbap_client_emit_phonebook_size_event(pbap_client, OBEX_UNKNOWN_ERROR, 0); 821 break; 822 case PBAP_W4_GET_CARD_LIST_COMPLETE: 823 switch (packet[0]){ 824 case OBEX_RESP_CONTINUE: 825 // process data 826 pbap_client_process_vcard_listing(packet, size); 827 // handle continue 828 pbap_process_srm_headers(pbap_client, packet, size); 829 if (pbap_client->srm_state == SRM_ENABLED) break; 830 pbap_client->state = PBAP_W2_GET_CARD_LIST; 831 if (!pbap_client->flow_control_enabled || !wait_for_user || pbap_client->flow_next_triggered) { 832 goep_client_request_can_send_now(pbap_client->goep_cid); 833 } 834 break; 835 case OBEX_RESP_SUCCESS: 836 // process data 837 pbap_client_process_vcard_listing(packet, size); 838 // done 839 pbap_client->state = PBAP_CONNECTED; 840 pbap_client_emit_operation_complete_event(pbap_client, 0); 841 break; 842 case OBEX_RESP_NOT_ACCEPTABLE: 843 pbap_client->state = PBAP_CONNECTED; 844 pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_ACCEPTABLE); 845 break; 846 default: 847 log_info("unexpected response 0x%02x", packet[0]); 848 pbap_client->state = PBAP_CONNECTED; 849 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 850 break; 851 } 852 break; 853 case PBAP_W4_GET_CARD_ENTRY_COMPLETE: 854 switch (packet[0]){ 855 case OBEX_RESP_CONTINUE: 856 pbap_process_srm_headers(pbap_client, packet, size); 857 if (pbap_client->srm_state == SRM_ENABLED) break; 858 pbap_client->state = PBAP_W2_GET_CARD_ENTRY; 859 if (!pbap_client->flow_control_enabled || !wait_for_user || pbap_client->flow_next_triggered) { 860 goep_client_request_can_send_now(pbap_client->goep_cid); 861 } 862 break; 863 case OBEX_RESP_SUCCESS: 864 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)){ 865 uint8_t hi = obex_iterator_get_hi(&it); 866 if ((hi == OBEX_HEADER_END_OF_BODY) || 867 (hi == OBEX_HEADER_BODY)){ 868 // uint16_t data_len = obex_iterator_get_data_len(&it); 869 // const uint8_t * data = obex_iterator_get_data(&it); 870 // now try parsing it 871 } 872 } 873 pbap_client->state = PBAP_CONNECTED; 874 pbap_client_emit_operation_complete_event(pbap_client, 0); 875 break; 876 case OBEX_RESP_NOT_ACCEPTABLE: 877 pbap_client->state = PBAP_CONNECTED; 878 pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_ACCEPTABLE); 879 break; 880 default: 881 log_info("unexpected response 0x%02x", packet[0]); 882 pbap_client->state = PBAP_CONNECTED; 883 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 884 break; 885 } 886 break; 887 default: 888 break; 889 } 890 } 891 892 static void pbap_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 893 UNUSED(channel); // ok: there is no channel 894 UNUSED(size); // ok: handling own geop events 895 896 switch (packet_type){ 897 case HCI_EVENT_PACKET: 898 pbap_packet_handler_hci(packet, size); 899 break; 900 case GOEP_DATA_PACKET: 901 pbap_packet_handler_goep(packet, size); 902 break; 903 default: 904 break; 905 } 906 } 907 908 static void pbap_client_reset_state(void) { 909 pbap_client_supported_features = 910 PBAP_SUPPORTED_FEATURES_DOWNLOAD | 911 PBAP_SUPPORTED_FEATURES_BROWSING | 912 PBAP_SUPPORTED_FEATURES_DATABASE_IDENTIFIER | 913 PBAP_SUPPORTED_FEATURES_FOLDER_VERSION_COUNTERS | 914 PBAP_SUPPORTED_FEATURES_VCARD_SELECTING | 915 PBAP_SUPPORTED_FEATURES_ENHANCED_MISSED_CALLS | 916 PBAP_SUPPORTED_FEATURES_DEFAULT_CONTACT_IMAGE_FORMAT | 917 PBAP_SUPPORTED_FEATURES_X_BT_UCI_VCARD_PROPERTY | 918 PBAP_SUPPORTED_FEATURES_X_BT_UID_VCARD_PROPERTY | 919 PBAP_SUPPORTED_FEATURES_CONTACT_REFERENCING; 920 pbap_client->state = PBAP_INIT; 921 pbap_client->cid = 1; 922 } 923 924 void pbap_client_init(void){ 925 pbap_client_reset_state(); 926 } 927 928 void pbap_client_deinit(void){ 929 pbap_client_reset_state(); 930 memset(pbap_client, 0, sizeof(pbap_client_t)); 931 } 932 933 uint8_t pbap_connect(btstack_packet_handler_t handler, bd_addr_t addr, uint16_t * out_cid){ 934 if (pbap_client->state != PBAP_INIT){ 935 return BTSTACK_MEMORY_ALLOC_FAILED; 936 } 937 938 pbap_client->state = PBAP_W4_GOEP_CONNECTION; 939 pbap_client->client_handler = handler; 940 pbap_client->vcard_selector = 0; 941 pbap_client->vcard_selector_operator = PBAP_VCARD_SELECTOR_OPERATOR_OR; 942 943 uint8_t err = goep_client_create_connection(&pbap_packet_handler, addr, BLUETOOTH_SERVICE_CLASS_PHONEBOOK_ACCESS_PSE, &pbap_client->goep_cid); 944 *out_cid = pbap_client->cid; 945 if (err) return err; 946 return ERROR_CODE_SUCCESS; 947 } 948 949 uint8_t pbap_disconnect(uint16_t pbap_cid){ 950 UNUSED(pbap_cid); 951 if (pbap_client->state != PBAP_CONNECTED){ 952 return BTSTACK_BUSY; 953 } 954 pbap_client->state = PBAP_W2_SEND_DISCONNECT_REQUEST; 955 goep_client_request_can_send_now(pbap_client->goep_cid); 956 return ERROR_CODE_SUCCESS; 957 } 958 959 uint8_t pbap_get_phonebook_size(uint16_t pbap_cid, const char * path){ 960 UNUSED(pbap_cid); 961 if (pbap_client->state != PBAP_CONNECTED){ 962 return BTSTACK_BUSY; 963 } 964 pbap_client->state = PBAP_W2_GET_PHONEBOOK_SIZE; 965 pbap_client->phonebook_path = path; 966 pbap_client->request_number = 0; 967 goep_client_request_can_send_now(pbap_client->goep_cid); 968 return ERROR_CODE_SUCCESS; 969 } 970 971 uint8_t pbap_pull_phonebook(uint16_t pbap_cid, const char * path){ 972 UNUSED(pbap_cid); 973 if (pbap_client->state != PBAP_CONNECTED){ 974 return BTSTACK_BUSY; 975 } 976 pbap_client->state = PBAP_W2_PULL_PHONEBOOK; 977 pbap_client->phonebook_path = path; 978 pbap_client->request_number = 0; 979 goep_client_request_can_send_now(pbap_client->goep_cid); 980 return ERROR_CODE_SUCCESS; 981 } 982 983 uint8_t pbap_set_phonebook(uint16_t pbap_cid, const char * path){ 984 UNUSED(pbap_cid); 985 if (pbap_client->state != PBAP_CONNECTED){ 986 return BTSTACK_BUSY; 987 } 988 pbap_client->state = PBAP_W2_SET_PATH_ROOT; 989 pbap_client->current_folder = path; 990 pbap_client->set_path_offset = 0; 991 goep_client_request_can_send_now(pbap_client->goep_cid); 992 return ERROR_CODE_SUCCESS; 993 } 994 995 uint8_t pbap_authentication_password(uint16_t pbap_cid, const char * password){ 996 UNUSED(pbap_cid); 997 if (pbap_client->state != PBAP_W4_USER_AUTHENTICATION){ 998 return BTSTACK_BUSY; 999 } 1000 pbap_client->state = PBAP_W2_SEND_AUTHENTICATED_CONNECT; 1001 pbap_client->authentication_password = password; 1002 goep_client_request_can_send_now(pbap_client->goep_cid); 1003 return ERROR_CODE_SUCCESS; 1004 } 1005 1006 uint8_t pbap_pull_vcard_listing(uint16_t pbap_cid, const char * path){ 1007 UNUSED(pbap_cid); 1008 if (pbap_client->state != PBAP_CONNECTED){ 1009 return BTSTACK_BUSY; 1010 } 1011 pbap_client->state = PBAP_W2_GET_CARD_LIST; 1012 pbap_client->phonebook_path = path; 1013 pbap_client->phone_number = NULL; 1014 pbap_client->request_number = 0; 1015 pbap_client_vcard_listing_init_parser(pbap_client); 1016 goep_client_request_can_send_now(pbap_client->goep_cid); 1017 return ERROR_CODE_SUCCESS; 1018 } 1019 1020 uint8_t pbap_pull_vcard_entry(uint16_t pbap_cid, const char * path){ 1021 UNUSED(pbap_cid); 1022 if (pbap_client->state != PBAP_CONNECTED){ 1023 return BTSTACK_BUSY; 1024 } 1025 pbap_client->state = PBAP_W2_GET_CARD_ENTRY; 1026 // pbap_client->phonebook_path = NULL; 1027 // pbap_client->phone_number = NULL; 1028 pbap_client->vcard_name = path; 1029 pbap_client->request_number = 0; 1030 goep_client_request_can_send_now(pbap_client->goep_cid); 1031 return ERROR_CODE_SUCCESS; 1032 } 1033 1034 uint8_t pbap_lookup_by_number(uint16_t pbap_cid, const char * phone_number){ 1035 UNUSED(pbap_cid); 1036 if (pbap_client->state != PBAP_CONNECTED){ 1037 return BTSTACK_BUSY; 1038 } 1039 pbap_client->state = PBAP_W2_GET_CARD_LIST; 1040 pbap_client->phonebook_path = pbap_vcard_listing_name; 1041 pbap_client->phone_number = phone_number; 1042 pbap_client->request_number = 0; 1043 pbap_client_vcard_listing_init_parser(pbap_client); 1044 goep_client_request_can_send_now(pbap_client->goep_cid); 1045 return ERROR_CODE_SUCCESS; 1046 } 1047 1048 uint8_t pbap_abort(uint16_t pbap_cid){ 1049 UNUSED(pbap_cid); 1050 if (pbap_client->state != PBAP_CONNECTED){ 1051 return BTSTACK_BUSY; 1052 } 1053 log_info("abort current operation, state 0x%02x", pbap_client->state); 1054 pbap_client->abort_operation = 1; 1055 return ERROR_CODE_SUCCESS; 1056 } 1057 1058 uint8_t pbap_next_packet(uint16_t pbap_cid){ 1059 // log_info("pbap_next_packet, state %x", pbap_client->state); 1060 UNUSED(pbap_cid); 1061 if (!pbap_client->flow_control_enabled){ 1062 return ERROR_CODE_SUCCESS; 1063 } 1064 switch (pbap_client->state){ 1065 case PBAP_W2_PULL_PHONEBOOK: 1066 goep_client_request_can_send_now(pbap_client->goep_cid); 1067 break; 1068 case PBAP_W4_PHONEBOOK: 1069 pbap_client->flow_next_triggered = 1; 1070 break; 1071 default: 1072 break; 1073 } 1074 return ERROR_CODE_SUCCESS; 1075 } 1076 1077 uint8_t pbap_set_flow_control_mode(uint16_t pbap_cid, int enable){ 1078 UNUSED(pbap_cid); 1079 if (pbap_client->state != PBAP_CONNECTED){ 1080 return BTSTACK_BUSY; 1081 } 1082 pbap_client->flow_control_enabled = enable; 1083 return ERROR_CODE_SUCCESS; 1084 } 1085 1086 uint8_t pbap_set_vcard_selector(uint16_t pbap_cid, uint32_t vcard_selector){ 1087 UNUSED(pbap_cid); 1088 if (pbap_client->state != PBAP_CONNECTED){ 1089 return BTSTACK_BUSY; 1090 } 1091 pbap_client->vcard_selector = vcard_selector; 1092 return ERROR_CODE_SUCCESS; 1093 } 1094 1095 uint8_t pbap_set_vcard_selector_operator(uint16_t pbap_cid, int vcard_selector_operator){ 1096 UNUSED(pbap_cid); 1097 if (pbap_client->state != PBAP_CONNECTED){ 1098 return BTSTACK_BUSY; 1099 } 1100 pbap_client->vcard_selector_operator = vcard_selector_operator; 1101 return ERROR_CODE_SUCCESS; 1102 } 1103