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_parser.h" 60 #include "classic/goep_client.h" 61 #include "classic/pbap.h" 62 #include "classic/pbap_client.h" 63 64 // 796135f0-f0c5-11d8-0966- 0800200c9a66 65 static const uint8_t pbap_uuid[] = { 0x79, 0x61, 0x35, 0xf0, 0xf0, 0xc5, 0x11, 0xd8, 0x09, 0x66, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66}; 66 67 const char * pbap_phonebook_type = "x-bt/phonebook"; 68 const char * pbap_vcard_listing_type = "x-bt/vcard-listing"; 69 const char * pbap_vcard_entry_type = "x-bt/vcard"; 70 71 const char * pbap_vcard_listing_name = "pb"; 72 73 typedef enum { 74 PBAP_CLIENT_INIT = 0, 75 PBAP_CLIENT_W4_GOEP_CONNECTION, 76 PBAP_CLIENT_W2_SEND_CONNECT_REQUEST, 77 PBAP_CLIENT_W4_CONNECT_RESPONSE, 78 PBAP_CLIENT_W4_USER_AUTHENTICATION, 79 PBAP_CLIENT_W2_SEND_AUTHENTICATED_CONNECT, 80 PBAP_CLIENT_CONNECTED, 81 // 82 PBAP_CLIENT_W2_SEND_DISCONNECT_REQUEST, 83 PBAP_CLIENT_W4_DISCONNECT_RESPONSE, 84 // 85 PBAP_CLIENT_W2_PULL_PHONEBOOK, 86 PBAP_CLIENT_W4_PHONEBOOK, 87 PBAP_CLIENT_W2_SET_PATH_ROOT, 88 PBAP_CLIENT_W4_SET_PATH_ROOT_COMPLETE, 89 PBAP_CLIENT_W2_SET_PATH_ELEMENT, 90 PBAP_CLIENT_W4_SET_PATH_ELEMENT_COMPLETE, 91 PBAP_CLIENT_W2_GET_PHONEBOOK_SIZE, 92 PBAP_CLIENT_W4_GET_PHONEBOOK_SIZE_COMPLETE, 93 // - pull vacard liast 94 PBAP_CLIENT_W2_GET_CARD_LIST, 95 PBAP_CLIENT_W4_GET_CARD_LIST_COMPLETE, 96 // - pull vcard entry 97 PBAP_CLIENT_W2_GET_CARD_ENTRY, 98 PBAP_CLIENT_W4_GET_CARD_ENTRY_COMPLETE, 99 // abort operation 100 PBAP_CLIENT_W4_ABORT_COMPLETE, 101 102 } pbap_client_state_t; 103 104 typedef enum { 105 PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_TYPE = 0, 106 PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_LEN, 107 PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_VALUE, 108 PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_INVALID, 109 } pbap_client_phonebook_size_parser_state_t; 110 111 typedef struct { 112 // parsing 113 pbap_client_phonebook_size_parser_state_t state; 114 uint8_t type; 115 uint8_t len; 116 uint8_t pos; 117 // data 118 bool have_size; 119 uint8_t size_buffer[2]; 120 } pbap_client_phonebook_size_parser_t; 121 122 typedef struct pbap_client { 123 pbap_client_state_t state; 124 uint16_t cid; 125 bd_addr_t bd_addr; 126 hci_con_handle_t con_handle; 127 uint8_t incoming; 128 uint16_t goep_cid; 129 btstack_packet_handler_t client_handler; 130 int request_number; 131 const char * current_folder; 132 const char * phone_number; 133 const char * phonebook_path; 134 const char * vcard_name; 135 uint16_t set_path_offset; 136 /* vcard selector / operator */ 137 uint32_t vcard_selector; 138 uint8_t vcard_selector_operator; 139 uint8_t vcard_selector_supported; 140 /* property selector */ 141 uint32_t property_selector; 142 uint16_t list_start_offset; 143 uint16_t max_list_count; 144 /* abort */ 145 uint8_t abort_operation; 146 /* obex parser */ 147 bool obex_parser_waiting_for_response; 148 obex_parser_t obex_parser; 149 uint8_t obex_header_buffer[4]; 150 /* authentication */ 151 obex_auth_parser_t obex_auth_parser; 152 const char * authentication_password; 153 /* xml parser */ 154 yxml_t xml_parser; 155 uint8_t xml_buffer[50]; 156 /* vcard listing parser */ 157 bool parser_card_found; 158 bool parser_name_found; 159 bool parser_handle_found; 160 char parser_name[PBAP_MAX_NAME_LEN]; 161 char parser_handle[PBAP_MAX_HANDLE_LEN]; 162 /* phonebook size */ 163 pbap_client_phonebook_size_parser_t phonebook_size_parser; 164 /* flow control mode */ 165 uint8_t flow_control_enabled; 166 uint8_t flow_next_triggered; 167 bool flow_wait_for_user; 168 /* srm */ 169 obex_srm_t obex_srm; 170 obex_srm_state_t srm_state; 171 } pbap_client_t; 172 173 static uint32_t pbap_client_supported_features; 174 175 static pbap_client_t pbap_client_singleton; 176 static pbap_client_t * pbap_client = &pbap_client_singleton; 177 178 static void pbap_client_emit_connected_event(pbap_client_t * context, uint8_t status){ 179 uint8_t event[15]; 180 int pos = 0; 181 event[pos++] = HCI_EVENT_PBAP_META; 182 pos++; // skip len 183 event[pos++] = PBAP_SUBEVENT_CONNECTION_OPENED; 184 little_endian_store_16(event,pos,context->cid); 185 pos+=2; 186 event[pos++] = status; 187 (void)memcpy(&event[pos], context->bd_addr, 6); 188 pos += 6; 189 little_endian_store_16(event,pos,context->con_handle); 190 pos += 2; 191 event[pos++] = context->incoming; 192 event[1] = pos - 2; 193 if (pos != sizeof(event)) log_error("goep_client_emit_connected_event size %u", pos); 194 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 195 } 196 197 static void pbap_client_emit_connection_closed_event(pbap_client_t * context){ 198 uint8_t event[5]; 199 int pos = 0; 200 event[pos++] = HCI_EVENT_PBAP_META; 201 pos++; // skip len 202 event[pos++] = PBAP_SUBEVENT_CONNECTION_CLOSED; 203 little_endian_store_16(event,pos,context->cid); 204 pos+=2; 205 event[1] = pos - 2; 206 if (pos != sizeof(event)) log_error("pbap_client_emit_connection_closed_event size %u", pos); 207 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 208 } 209 210 static void pbap_client_emit_operation_complete_event(pbap_client_t * context, uint8_t status){ 211 uint8_t event[6]; 212 int pos = 0; 213 event[pos++] = HCI_EVENT_PBAP_META; 214 pos++; // skip len 215 event[pos++] = PBAP_SUBEVENT_OPERATION_COMPLETED; 216 little_endian_store_16(event,pos,context->cid); 217 pos+=2; 218 event[pos++]= status; 219 event[1] = pos - 2; 220 if (pos != sizeof(event)) log_error("pbap_client_emit_can_send_now_event size %u", pos); 221 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 222 } 223 224 static void pbap_client_emit_phonebook_size_event(pbap_client_t * context, uint8_t status, uint16_t phonebook_size){ 225 uint8_t event[8]; 226 int pos = 0; 227 event[pos++] = HCI_EVENT_PBAP_META; 228 pos++; // skip len 229 event[pos++] = PBAP_SUBEVENT_PHONEBOOK_SIZE; 230 little_endian_store_16(event,pos,context->cid); 231 pos+=2; 232 event[pos++] = status; 233 little_endian_store_16(event,pos, phonebook_size); 234 pos+=2; 235 event[1] = pos - 2; 236 if (pos != sizeof(event)) log_error("pbap_client_emit_phonebook_size_event size %u", pos); 237 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 238 } 239 240 static void pbap_client_emit_authentication_event(pbap_client_t * context, uint8_t options){ 241 // split options 242 uint8_t user_id_required = (options & 1) ? 1 : 0; 243 uint8_t full_access = (options & 2) ? 1 : 0; 244 245 uint8_t event[7]; 246 int pos = 0; 247 event[pos++] = HCI_EVENT_PBAP_META; 248 pos++; // skip len 249 event[pos++] = PBAP_SUBEVENT_AUTHENTICATION_REQUEST; 250 little_endian_store_16(event,pos,context->cid); 251 pos+=2; 252 event[pos++] = user_id_required; 253 event[pos++] = full_access; 254 if (pos != sizeof(event)) log_error("pbap_client_emit_authentication_event size %u", pos); 255 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 256 } 257 258 static void pbap_client_emit_card_result_event(pbap_client_t * context, const char * name, const char * handle){ 259 uint8_t event[5 + PBAP_MAX_NAME_LEN + PBAP_MAX_HANDLE_LEN]; 260 int pos = 0; 261 event[pos++] = HCI_EVENT_PBAP_META; 262 pos++; // skip len 263 event[pos++] = PBAP_SUBEVENT_CARD_RESULT; 264 little_endian_store_16(event,pos,context->cid); 265 pos+=2; 266 int name_len = btstack_min(PBAP_MAX_NAME_LEN, (uint16_t) strlen(name)); 267 event[pos++] = name_len; 268 (void)memcpy(&event[pos], name, name_len); 269 pos += name_len; 270 int handle_len = btstack_min(PBAP_MAX_HANDLE_LEN, (uint16_t) strlen(handle)); 271 event[pos++] = handle_len; 272 (void)memcpy(&event[pos], handle, handle_len); 273 pos += handle_len; 274 event[1] = pos - 2; 275 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 276 } 277 278 static const uint8_t collon = (uint8_t) ':'; 279 280 static void pbap_client_vcard_listing_init_parser(pbap_client_t * client){ 281 yxml_init(&client->xml_parser, client->xml_buffer, sizeof(client->xml_buffer)); 282 client->parser_card_found = false; 283 client->parser_name_found = false; 284 client->parser_handle_found = false; 285 } 286 287 static void pbap_client_phonebook_size_parser_init(pbap_client_phonebook_size_parser_t * phonebook_size_parer){ 288 memset(phonebook_size_parer, 0, sizeof(pbap_client_phonebook_size_parser_t)); 289 } 290 291 static void pbap_client_phonebook_size_parser_process_data(pbap_client_phonebook_size_parser_t * phonebook_size_parser, const uint8_t * data_buffer, uint16_t data_len){ 292 while (data_len){ 293 uint16_t bytes_to_consume = 1; 294 switch(phonebook_size_parser->state){ 295 case PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_INVALID: 296 return; 297 case PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_TYPE: 298 phonebook_size_parser->type = *data_buffer; 299 phonebook_size_parser->state = PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_LEN; 300 break; 301 case PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_LEN: 302 phonebook_size_parser->len = *data_buffer; 303 phonebook_size_parser->state = PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_VALUE; 304 switch (phonebook_size_parser->type){ 305 case PBAP_APPLICATION_PARAMETER_PHONEBOOK_SIZE: 306 if (phonebook_size_parser->len != 2){ 307 phonebook_size_parser->state = PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_INVALID; 308 return; 309 } 310 break; 311 default: 312 break; 313 } 314 break; 315 case PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_VALUE: 316 bytes_to_consume = btstack_min(phonebook_size_parser->len - phonebook_size_parser->pos, data_len); 317 switch (phonebook_size_parser->type){ 318 case PBAP_APPLICATION_PARAMETER_PHONEBOOK_SIZE: 319 memcpy(&phonebook_size_parser->size_buffer[phonebook_size_parser->pos], data_buffer, bytes_to_consume); 320 break; 321 default: 322 // ignore data 323 break; 324 } 325 phonebook_size_parser->pos += bytes_to_consume; 326 if (phonebook_size_parser->pos == phonebook_size_parser->len){ 327 phonebook_size_parser->state = PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_TYPE; 328 switch (phonebook_size_parser->type){ 329 case PBAP_APPLICATION_PARAMETER_PHONEBOOK_SIZE: 330 phonebook_size_parser->have_size = true; 331 break; 332 default: 333 break; 334 } 335 } 336 break; 337 default: 338 break; 339 } 340 data_buffer += bytes_to_consume; 341 data_len -= bytes_to_consume; 342 } 343 } 344 345 static void obex_auth_parser_init(obex_auth_parser_t * auth_parser){ 346 memset(auth_parser, 0, sizeof(obex_auth_parser_t)); 347 } 348 349 static void obex_auth_parser_process_data(obex_auth_parser_t * auth_parser, const uint8_t * data_buffer, uint16_t data_len){ 350 while (data_len){ 351 uint16_t bytes_to_consume = 1; 352 switch(auth_parser->state){ 353 case OBEX_AUTH_PARSER_STATE_INVALID: 354 return; 355 case OBEX_AUTH_PARSER_STATE_W4_TYPE: 356 auth_parser->type = *data_buffer; 357 auth_parser->state = OBEX_AUTH_PARSER_STATE_W4_LEN; 358 break; 359 case OBEX_AUTH_PARSER_STATE_W4_LEN: 360 auth_parser->len = *data_buffer; 361 switch (auth_parser->type){ 362 case 0: 363 if (auth_parser->len != 0x10){ 364 auth_parser->state = OBEX_AUTH_PARSER_STATE_INVALID; 365 return; 366 } 367 break; 368 case 1: 369 if (auth_parser->len != 0x01){ 370 auth_parser->state = OBEX_AUTH_PARSER_STATE_INVALID; 371 return; 372 } 373 break; 374 case 2: 375 // TODO: handle charset 376 // charset_code = challenge_data[i]; 377 break; 378 default: 379 break; 380 } 381 auth_parser->state = OBEX_AUTH_PARSER_STATE_W4_VALUE; 382 break; 383 case OBEX_AUTH_PARSER_STATE_W4_VALUE: 384 bytes_to_consume = btstack_min(auth_parser->len - auth_parser->pos, data_len); 385 switch (auth_parser->type){ 386 case 0: 387 memcpy(&auth_parser->authentication_nonce[auth_parser->pos], data_buffer, bytes_to_consume); 388 break; 389 case 1: 390 auth_parser->authentication_options = *data_buffer; 391 break; 392 default: 393 // ignore 394 break; 395 } 396 auth_parser->pos += bytes_to_consume; 397 if (auth_parser->pos == auth_parser->len){ 398 auth_parser->state = OBEX_AUTH_PARSER_STATE_W4_TYPE; 399 } 400 break; 401 default: 402 btstack_unreachable(); 403 break; 404 } 405 data_buffer += bytes_to_consume; 406 data_len -= bytes_to_consume; 407 } 408 } 409 410 static void obex_srm_init(obex_srm_t * obex_srm){ 411 obex_srm->srm_value = OBEX_SRM_DISABLE; 412 obex_srm->srmp_value = OBEX_SRMP_NEXT; 413 } 414 static void pbap_client_yml_append_character(yxml_t * xml_parser, char * buffer, uint16_t buffer_size){ 415 // "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." 416 uint16_t char_len = (uint16_t) strlen(xml_parser->data); 417 btstack_assert(char_len <= 4); 418 uint16_t dest_len = (uint16_t) strlen(buffer); 419 uint16_t zero_pos = dest_len + char_len; 420 if (zero_pos >= buffer_size) return; 421 memcpy(&buffer[dest_len], xml_parser->data, char_len); 422 buffer[zero_pos] = '\0'; 423 } 424 425 static void pbap_client_process_vcard_list_body(const uint8_t * data, uint16_t data_len){ 426 while (data_len--) { 427 yxml_ret_t r = yxml_parse(&pbap_client->xml_parser, *data++); 428 switch (r) { 429 case YXML_ELEMSTART: 430 pbap_client->parser_card_found = strcmp("card", pbap_client->xml_parser.elem) == 0; 431 break; 432 case YXML_ELEMEND: 433 if (pbap_client->parser_card_found) { 434 pbap_client_emit_card_result_event(pbap_client, pbap_client->parser_name, 435 pbap_client->parser_handle); 436 } 437 pbap_client->parser_card_found = false; 438 break; 439 case YXML_ATTRSTART: 440 if (!pbap_client->parser_card_found) break; 441 if (strcmp("name", pbap_client->xml_parser.attr) == 0) { 442 pbap_client->parser_name_found = true; 443 pbap_client->parser_name[0] = 0; 444 break; 445 } 446 if (strcmp("handle", pbap_client->xml_parser.attr) == 0) { 447 pbap_client->parser_handle_found = true; 448 pbap_client->parser_handle[0] = 0; 449 break; 450 } 451 break; 452 case YXML_ATTRVAL: 453 if (pbap_client->parser_name_found) { 454 pbap_client_yml_append_character(&pbap_client->xml_parser, 455 pbap_client->parser_name, 456 sizeof(pbap_client->parser_name)); 457 break; 458 } 459 if (pbap_client->parser_handle_found) { 460 pbap_client_yml_append_character(&pbap_client->xml_parser, 461 pbap_client->parser_handle, 462 sizeof(pbap_client->parser_handle)); 463 break; 464 } 465 break; 466 case YXML_ATTREND: 467 pbap_client->parser_name_found = false; 468 pbap_client->parser_handle_found = false; 469 break; 470 default: 471 break; 472 } 473 } 474 } 475 476 static void pbap_client_parser_callback_connect(void * user_data, uint8_t header_id, uint16_t total_len, uint16_t data_offset, const uint8_t * data_buffer, uint16_t data_len){ 477 pbap_client_t * client = (pbap_client_t *) user_data; 478 switch (header_id){ 479 case OBEX_HEADER_CONNECTION_ID: 480 if (obex_parser_header_store(client->obex_header_buffer, sizeof(client->obex_header_buffer), total_len, data_offset, data_buffer, data_len) == OBEX_PARSER_HEADER_COMPLETE){ 481 goep_client_set_connection_id(client->goep_cid, big_endian_read_32(client->obex_header_buffer, 0)); 482 } 483 break; 484 case OBEX_HEADER_AUTHENTICATION_CHALLENGE: 485 obex_auth_parser_process_data(&client->obex_auth_parser, data_buffer, data_len); 486 break; 487 default: 488 break; 489 } 490 } 491 492 static void pbap_client_parser_callback_get_phonebook_size(void * user_data, uint8_t header_id, uint16_t total_len, uint16_t data_offset, const uint8_t * data_buffer, uint16_t data_len){ 493 UNUSED(total_len); 494 UNUSED(data_offset); 495 pbap_client_t *client = (pbap_client_t *) user_data; 496 switch (header_id) { 497 case OBEX_HEADER_APPLICATION_PARAMETERS: 498 pbap_client_phonebook_size_parser_process_data(&client->phonebook_size_parser, data_buffer, data_len); 499 break; 500 default: 501 break; 502 } 503 } 504 505 static void pbap_client_parser_callback_get_operation(void * user_data, uint8_t header_id, uint16_t total_len, uint16_t data_offset, const uint8_t * data_buffer, uint16_t data_len){ 506 pbap_client_t *client = (pbap_client_t *) user_data; 507 switch (header_id) { 508 case OBEX_HEADER_SINGLE_RESPONSE_MODE: 509 obex_parser_header_store(&client->obex_srm.srm_value, 1, total_len, data_offset, data_buffer, data_len); 510 break; 511 case OBEX_HEADER_SINGLE_RESPONSE_MODE_PARAMETER: 512 obex_parser_header_store(&client->obex_srm.srmp_value, 1, total_len, data_offset, data_buffer, data_len); 513 break; 514 case OBEX_HEADER_BODY: 515 case OBEX_HEADER_END_OF_BODY: 516 switch(pbap_client->state){ 517 case PBAP_CLIENT_W4_PHONEBOOK: 518 case PBAP_CLIENT_W4_GET_CARD_ENTRY_COMPLETE: 519 client->client_handler(PBAP_DATA_PACKET, client->cid, (uint8_t *) data_buffer, data_len); 520 if (data_offset + data_len == total_len){ 521 client->flow_wait_for_user = true; 522 } 523 break; 524 case PBAP_CLIENT_W4_GET_CARD_LIST_COMPLETE: 525 pbap_client_process_vcard_list_body(data_buffer, data_len); 526 break; 527 default: 528 btstack_unreachable(); 529 break; 530 } 531 break; 532 default: 533 // ignore other headers 534 break; 535 } 536 } 537 538 static uint16_t pbap_client_application_params_add_vcard_selector(const pbap_client_t * client, uint8_t * application_parameters){ 539 uint16_t pos = 0; 540 if (client->vcard_selector_supported){ 541 // vCard Selector 542 if (pbap_client->vcard_selector){ 543 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_VCARD_SELECTOR; 544 application_parameters[pos++] = 8; 545 memset(&application_parameters[pos], 0, 4); 546 pos += 4; 547 big_endian_store_32(application_parameters, pos, client->vcard_selector); 548 pos += 4; 549 } 550 // vCard Selector Operator 551 if (client->vcard_selector_operator != PBAP_VCARD_SELECTOR_OPERATOR_OR){ 552 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_VCARD_SELECTOR_OPERATOR; 553 application_parameters[pos++] = 1; 554 application_parameters[pos++] = client->vcard_selector_operator; 555 } 556 } 557 return pos; 558 } 559 560 static uint16_t pbap_client_application_params_add_max_list_count(const pbap_client_t * client, uint8_t * application_parameters, uint16_t max_count){ 561 UNUSED(client); 562 uint16_t pos = 0; 563 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_MAX_LIST_COUNT; 564 application_parameters[pos++] = 2; 565 big_endian_store_16(application_parameters, 2, max_count); 566 pos += 2; 567 return pos; 568 } 569 570 static uint16_t pbap_client_application_params_add_list_start_offset(const pbap_client_t * client, uint8_t * application_parameters, uint16_t list_start_offset){ 571 UNUSED(client); 572 uint16_t pos = 0; 573 if (pbap_client->list_start_offset != 0){ 574 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_LIST_START_OFFSET; 575 application_parameters[pos++] = 2; 576 big_endian_store_16(application_parameters, 2, list_start_offset); 577 pos += 2; 578 } 579 return pos; 580 } 581 582 // max size: PBAP_MAX_PHONE_NUMBER_LEN + 5 583 static uint16_t pbap_client_application_params_add_phone_number(const pbap_client_t * client, uint8_t * application_parameters){ 584 uint16_t pos = 0; 585 if (client->phone_number){ 586 // Search by phone number 587 uint16_t phone_number_len = btstack_min(PBAP_MAX_PHONE_NUMBER_LEN, (uint16_t) strlen(client->phone_number)); 588 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_SEARCH_VALUE; 589 btstack_assert(phone_number_len <= 255); 590 application_parameters[pos++] = (uint8_t) phone_number_len; 591 (void)memcpy(&application_parameters[pos], 592 pbap_client->phone_number, phone_number_len); 593 pos += phone_number_len; 594 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_SEARCH_PROPERTY; 595 application_parameters[pos++] = 1; 596 application_parameters[pos++] = 0x01; // Number 597 } 598 return pos; 599 } 600 601 static uint16_t pbap_client_application_params_add_property_selector(const pbap_client_t * client, uint8_t * application_parameters){ 602 // TODO: support format 603 uint16_t pos = 0; 604 uint32_t property_selector_lower = client->property_selector; 605 if (pbap_client->vcard_name != NULL){ 606 if (strncmp(pbap_client->vcard_name, "X-BT-UID:", 9) == 0) { 607 property_selector_lower |= 1U << 31; 608 } 609 if (strncmp(pbap_client->vcard_name, "X-BT-UCI:", 9) == 0) { 610 property_selector_lower |= 1U << 30; 611 } 612 } 613 if (property_selector_lower != 0){ 614 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_PROPERTY_SELECTOR; 615 application_parameters[pos++] = 8; 616 big_endian_store_32(application_parameters, pos, 0); // upper 32-bits are reserved/unused so far 617 pos += 4; 618 big_endian_store_32(application_parameters, pos, property_selector_lower); 619 pos += 4; 620 } 621 return pos; 622 } 623 624 // Mandatory if the PSE advertises a PbapSupportedFeatures attribute in its SDP record, else excluded. 625 static uint16_t pbap_client_application_parameters_add_supported_features(const pbap_client_t * client, uint8_t *application_parameters) { 626 uint16_t pos = 0; 627 if (goep_client_get_pbap_supported_features(client->goep_cid) != PBAP_FEATURES_NOT_PRESENT){ 628 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_PBAP_SUPPORTED_FEATURES; 629 application_parameters[pos++] = 4; 630 big_endian_store_32(application_parameters, 2, pbap_client_supported_features); 631 pos += 4; 632 } 633 return pos; 634 } 635 636 static void pbap_client_add_application_parameters(const pbap_client_t * client, uint8_t * application_parameters, uint16_t len){ 637 if (len > 0){ 638 goep_client_header_add_application_parameters(client->goep_cid, &application_parameters[0], len); 639 } 640 } 641 642 static void pbap_client_prepare_srm_header(const pbap_client_t * client){ 643 if (!client->flow_control_enabled && goep_client_version_20_or_higher(client->goep_cid)){ 644 goep_client_header_add_srm_enable(client->goep_cid); 645 pbap_client->srm_state = SRM_W4_CONFIRM; 646 } 647 } 648 649 static void pbap_client_prepare_get_operation(pbap_client_t * client){ 650 obex_parser_init_for_response(&client->obex_parser, OBEX_OPCODE_GET, pbap_client_parser_callback_get_operation, pbap_client); 651 obex_srm_init(&client->obex_srm); 652 client->obex_parser_waiting_for_response = true; 653 } 654 655 static void pbap_handle_can_send_now(void){ 656 uint16_t path_element_start; 657 uint16_t path_element_len; 658 const char * path_element; 659 uint8_t application_parameters[PBAP_MAX_PHONE_NUMBER_LEN + 10]; 660 uint8_t challenge_response[36]; 661 uint16_t pos; 662 663 MD5_CTX md5_ctx; 664 665 if (pbap_client->abort_operation){ 666 pbap_client->abort_operation = 0; 667 // prepare request 668 goep_client_request_create_abort(pbap_client->goep_cid); 669 // state 670 pbap_client->state = PBAP_CLIENT_W4_ABORT_COMPLETE; 671 // prepare response 672 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_ABORT, NULL, pbap_client); 673 obex_srm_init(&pbap_client->obex_srm); 674 pbap_client->obex_parser_waiting_for_response = true; 675 // send packet 676 goep_client_execute(pbap_client->goep_cid); 677 return; 678 } 679 680 switch (pbap_client->state){ 681 case PBAP_CLIENT_W2_SEND_CONNECT_REQUEST: 682 // prepare request 683 goep_client_request_create_connect(pbap_client->goep_cid, OBEX_VERSION, 0, OBEX_MAX_PACKETLEN_DEFAULT); 684 goep_client_header_add_target(pbap_client->goep_cid, pbap_uuid, 16); 685 pos = 0; 686 pos += pbap_client_application_parameters_add_supported_features(pbap_client, &application_parameters[pos]); 687 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 688 // state 689 pbap_client->state = PBAP_CLIENT_W4_CONNECT_RESPONSE; 690 // prepare response 691 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_CONNECT, pbap_client_parser_callback_connect, pbap_client); 692 obex_auth_parser_init(&pbap_client->obex_auth_parser); 693 obex_srm_init(&pbap_client->obex_srm); 694 pbap_client->obex_parser_waiting_for_response = true; 695 // send packet 696 goep_client_execute(pbap_client->goep_cid); 697 break; 698 case PBAP_CLIENT_W2_SEND_AUTHENTICATED_CONNECT: 699 // prepare request 700 goep_client_request_create_connect(pbap_client->goep_cid, OBEX_VERSION, 0, OBEX_MAX_PACKETLEN_DEFAULT); 701 goep_client_header_add_target(pbap_client->goep_cid, pbap_uuid, 16); 702 // setup authentication challenge response 703 pos = 0; 704 challenge_response[pos++] = 0; // Tag Digest 705 challenge_response[pos++] = 16; // Len 706 // calculate md5 707 MD5_Init(&md5_ctx); 708 MD5_Update(&md5_ctx, pbap_client->obex_auth_parser.authentication_nonce, 16); 709 MD5_Update(&md5_ctx, &collon, 1); 710 MD5_Update(&md5_ctx, pbap_client->authentication_password, (uint16_t) strlen(pbap_client->authentication_password)); 711 MD5_Final(&challenge_response[pos], &md5_ctx); 712 pos += 16; 713 challenge_response[pos++] = 2; // Tag Nonce 714 challenge_response[pos++] = 16; // Len 715 (void)memcpy(&challenge_response[pos], pbap_client->obex_auth_parser.authentication_nonce, 16); 716 pos += 16; 717 goep_client_header_add_challenge_response(pbap_client->goep_cid, challenge_response, pos); 718 // state 719 pbap_client->state = PBAP_CLIENT_W4_CONNECT_RESPONSE; 720 // prepare response 721 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_CONNECT, pbap_client_parser_callback_connect, pbap_client); 722 obex_srm_init(&pbap_client->obex_srm); 723 pbap_client->obex_parser_waiting_for_response = true; 724 // send packet 725 goep_client_execute(pbap_client->goep_cid); 726 break; 727 case PBAP_CLIENT_W2_SEND_DISCONNECT_REQUEST: 728 // prepare request 729 goep_client_request_create_disconnect(pbap_client->goep_cid); 730 // state 731 pbap_client->state = PBAP_CLIENT_W4_DISCONNECT_RESPONSE; 732 // prepare response 733 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_DISCONNECT, NULL, pbap_client); 734 obex_srm_init(&pbap_client->obex_srm); 735 pbap_client->obex_parser_waiting_for_response = true; 736 // send packet 737 goep_client_execute(pbap_client->goep_cid); 738 return; 739 case PBAP_CLIENT_W2_GET_PHONEBOOK_SIZE: 740 // prepare request 741 goep_client_request_create_get(pbap_client->goep_cid); 742 pbap_client_prepare_srm_header(pbap_client); 743 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->phonebook_path); 744 goep_client_header_add_type(pbap_client->goep_cid, pbap_phonebook_type); 745 746 pos = 0; 747 pos += pbap_client_application_params_add_vcard_selector(pbap_client, &application_parameters[pos]); 748 // just get size 749 pos += pbap_client_application_params_add_max_list_count(pbap_client, &application_parameters[pos], 0); 750 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 751 752 // state 753 pbap_client->state = PBAP_CLIENT_W4_GET_PHONEBOOK_SIZE_COMPLETE; 754 // prepare response 755 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_GET, pbap_client_parser_callback_get_phonebook_size, pbap_client); 756 obex_srm_init(&pbap_client->obex_srm); 757 pbap_client_phonebook_size_parser_init(&pbap_client->phonebook_size_parser); 758 pbap_client->obex_parser_waiting_for_response = true; 759 // send packet 760 goep_client_execute(pbap_client->goep_cid); 761 break; 762 case PBAP_CLIENT_W2_PULL_PHONEBOOK: 763 // prepare request 764 goep_client_request_create_get(pbap_client->goep_cid); 765 if (pbap_client->request_number == 0){ 766 pbap_client_prepare_srm_header(pbap_client); 767 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->phonebook_path); 768 goep_client_header_add_type(pbap_client->goep_cid, pbap_phonebook_type); 769 770 pos = 0; 771 pos += pbap_client_application_params_add_property_selector(pbap_client, &application_parameters[pos]); 772 if (pbap_client->max_list_count){ 773 pos += pbap_client_application_params_add_max_list_count(pbap_client, &application_parameters[pos], pbap_client->max_list_count); 774 } 775 pos += pbap_client_application_params_add_list_start_offset (pbap_client, &application_parameters[pos], pbap_client->list_start_offset); 776 pos += pbap_client_application_params_add_vcard_selector(pbap_client, &application_parameters[pos]); 777 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 778 } 779 // state 780 pbap_client->state = PBAP_CLIENT_W4_PHONEBOOK; 781 pbap_client->flow_next_triggered = 0; 782 pbap_client->flow_wait_for_user = 0; 783 // prepare response 784 pbap_client_prepare_get_operation(pbap_client); 785 // send packet 786 pbap_client->request_number++; 787 goep_client_execute(pbap_client->goep_cid); 788 break; 789 case PBAP_CLIENT_W2_GET_CARD_LIST: 790 // prepare request 791 goep_client_request_create_get(pbap_client->goep_cid); 792 if (pbap_client->request_number == 0){ 793 pbap_client_prepare_srm_header(pbap_client); 794 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->phonebook_path); 795 goep_client_header_add_type(pbap_client->goep_cid, pbap_vcard_listing_type); 796 797 pos = 0; 798 pos += pbap_client_application_params_add_vcard_selector(pbap_client, &application_parameters[pos]); 799 pos += pbap_client_application_params_add_phone_number(pbap_client, &application_parameters[pos]); 800 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 801 } 802 // state 803 pbap_client->state = PBAP_CLIENT_W4_GET_CARD_LIST_COMPLETE; 804 // prepare response 805 pbap_client_prepare_get_operation(pbap_client); 806 // send packet 807 pbap_client->request_number++; 808 goep_client_execute(pbap_client->goep_cid); 809 break; 810 case PBAP_CLIENT_W2_GET_CARD_ENTRY: 811 // prepare request 812 goep_client_request_create_get(pbap_client->goep_cid); 813 if (pbap_client->request_number == 0){ 814 pbap_client_prepare_srm_header(pbap_client); 815 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->vcard_name); 816 goep_client_header_add_type(pbap_client->goep_cid, pbap_vcard_entry_type); 817 818 pos = 0; 819 pos += pbap_client_application_params_add_property_selector(pbap_client, &application_parameters[pos]); 820 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 821 } 822 // state 823 pbap_client->state = PBAP_CLIENT_W4_GET_CARD_ENTRY_COMPLETE; 824 // prepare response 825 pbap_client_prepare_get_operation(pbap_client); 826 // send packet 827 pbap_client->request_number++; 828 goep_client_execute(pbap_client->goep_cid); 829 break; 830 case PBAP_CLIENT_W2_SET_PATH_ROOT: 831 // prepare request 832 goep_client_request_create_set_path(pbap_client->goep_cid, 1 << 1); // Don’t create directory 833 goep_client_header_add_name(pbap_client->goep_cid, ""); 834 // state 835 pbap_client->state = PBAP_CLIENT_W4_SET_PATH_ROOT_COMPLETE; 836 // prepare response 837 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_SETPATH, NULL, pbap_client); 838 obex_srm_init(&pbap_client->obex_srm); 839 pbap_client->obex_parser_waiting_for_response = true; 840 // send packet 841 goep_client_execute(pbap_client->goep_cid); 842 break; 843 case PBAP_CLIENT_W2_SET_PATH_ELEMENT: 844 // prepare request 845 // find '/' or '\0' 846 path_element_start = pbap_client->set_path_offset; 847 while ((pbap_client->current_folder[pbap_client->set_path_offset] != '\0') && 848 (pbap_client->current_folder[pbap_client->set_path_offset] != '/')){ 849 pbap_client->set_path_offset++; 850 } 851 path_element_len = pbap_client->set_path_offset-path_element_start; 852 path_element = (const char *) &pbap_client->current_folder[path_element_start]; 853 854 // skip / 855 if (pbap_client->current_folder[pbap_client->set_path_offset] == '/'){ 856 pbap_client->set_path_offset++; 857 } 858 859 goep_client_request_create_set_path(pbap_client->goep_cid, 1 << 1); // Don’t create directory 860 goep_client_header_add_name_prefix(pbap_client->goep_cid, path_element, path_element_len); // next element 861 // state 862 pbap_client->state = PBAP_CLIENT_W4_SET_PATH_ELEMENT_COMPLETE; 863 // prepare response 864 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_SETPATH, NULL, pbap_client); 865 obex_srm_init(&pbap_client->obex_srm); 866 pbap_client->obex_parser_waiting_for_response = true; 867 // send packet 868 goep_client_execute(pbap_client->goep_cid); 869 break; 870 default: 871 break; 872 } 873 } 874 875 static void pbap_client_handle_srm_headers(pbap_client_t *context) { 876 const obex_srm_t * obex_srm = &pbap_client->obex_srm; 877 // Update SRM state based on SRM headers 878 switch (context->srm_state){ 879 case SRM_W4_CONFIRM: 880 switch (obex_srm->srm_value){ 881 case OBEX_SRM_ENABLE: 882 switch (obex_srm->srmp_value){ 883 case OBEX_SRMP_WAIT: 884 context->srm_state = SRM_ENABLED_BUT_WAITING; 885 break; 886 default: 887 context->srm_state = SRM_ENABLED; 888 break; 889 } 890 break; 891 default: 892 context->srm_state = SRM_DISABLED; 893 break; 894 } 895 break; 896 case SRM_ENABLED_BUT_WAITING: 897 switch (obex_srm->srmp_value){ 898 case OBEX_SRMP_WAIT: 899 context->srm_state = SRM_ENABLED_BUT_WAITING; 900 break; 901 default: 902 context->srm_state = SRM_ENABLED; 903 break; 904 } 905 break; 906 default: 907 break; 908 } 909 log_info("SRM state %u", context->srm_state); 910 } 911 912 static void pbap_packet_handler_hci(uint8_t *packet, uint16_t size){ 913 UNUSED(size); 914 uint8_t status; 915 switch (hci_event_packet_get_type(packet)) { 916 case HCI_EVENT_GOEP_META: 917 switch (hci_event_goep_meta_get_subevent_code(packet)){ 918 case GOEP_SUBEVENT_CONNECTION_OPENED: 919 status = goep_subevent_connection_opened_get_status(packet); 920 pbap_client->con_handle = goep_subevent_connection_opened_get_con_handle(packet); 921 pbap_client->incoming = goep_subevent_connection_opened_get_incoming(packet); 922 goep_subevent_connection_opened_get_bd_addr(packet, pbap_client->bd_addr); 923 if (status){ 924 log_info("pbap: connection failed %u", status); 925 pbap_client->state = PBAP_CLIENT_INIT; 926 pbap_client_emit_connected_event(pbap_client, status); 927 } else { 928 log_info("pbap: connection established"); 929 pbap_client->goep_cid = goep_subevent_connection_opened_get_goep_cid(packet); 930 pbap_client->state = PBAP_CLIENT_W2_SEND_CONNECT_REQUEST; 931 goep_client_request_can_send_now(pbap_client->goep_cid); 932 } 933 break; 934 case GOEP_SUBEVENT_CONNECTION_CLOSED: 935 if (pbap_client->state > PBAP_CLIENT_CONNECTED){ 936 pbap_client_emit_operation_complete_event(pbap_client, OBEX_DISCONNECTED); 937 } 938 pbap_client->state = PBAP_CLIENT_INIT; 939 pbap_client_emit_connection_closed_event(pbap_client); 940 break; 941 case GOEP_SUBEVENT_CAN_SEND_NOW: 942 pbap_handle_can_send_now(); 943 break; 944 default: 945 break; 946 } 947 break; 948 default: 949 break; 950 } 951 } 952 953 static void pbap_packet_handler_goep(uint8_t *packet, uint16_t size){ 954 if (pbap_client->obex_parser_waiting_for_response == false) return; 955 956 obex_parser_object_state_t parser_state; 957 parser_state = obex_parser_process_data(&pbap_client->obex_parser, packet, size); 958 if (parser_state == OBEX_PARSER_OBJECT_STATE_COMPLETE){ 959 pbap_client->obex_parser_waiting_for_response = false; 960 obex_parser_operation_info_t op_info; 961 obex_parser_get_operation_info(&pbap_client->obex_parser, &op_info); 962 switch (pbap_client->state){ 963 case PBAP_CLIENT_W4_CONNECT_RESPONSE: 964 switch (op_info.response_code) { 965 case OBEX_RESP_SUCCESS: 966 pbap_client->state = PBAP_CLIENT_CONNECTED; 967 pbap_client->vcard_selector_supported = pbap_client_supported_features & goep_client_get_pbap_supported_features( pbap_client->goep_cid) & PBAP_SUPPORTED_FEATURES_VCARD_SELECTING; 968 pbap_client_emit_connected_event(pbap_client, ERROR_CODE_SUCCESS); 969 break; 970 case OBEX_RESP_UNAUTHORIZED: 971 pbap_client->state = PBAP_CLIENT_W4_USER_AUTHENTICATION; 972 pbap_client_emit_authentication_event(pbap_client, pbap_client->obex_auth_parser.authentication_options); 973 break; 974 default: 975 log_info("pbap: obex connect failed, result 0x%02x", packet[0]); 976 pbap_client->state = PBAP_CLIENT_INIT; 977 pbap_client_emit_connected_event(pbap_client, OBEX_CONNECT_FAILED); 978 break; 979 } 980 break; 981 case PBAP_CLIENT_W4_DISCONNECT_RESPONSE: 982 goep_client_disconnect(pbap_client->goep_cid); 983 break; 984 case PBAP_CLIENT_W4_SET_PATH_ROOT_COMPLETE: 985 case PBAP_CLIENT_W4_SET_PATH_ELEMENT_COMPLETE: 986 switch (op_info.response_code) { 987 case OBEX_RESP_SUCCESS: 988 // more path? 989 if (pbap_client->current_folder[pbap_client->set_path_offset]) { 990 pbap_client->state = PBAP_CLIENT_W2_SET_PATH_ELEMENT; 991 goep_client_request_can_send_now(pbap_client->goep_cid); 992 } else { 993 pbap_client->current_folder = NULL; 994 pbap_client->state = PBAP_CLIENT_CONNECTED; 995 pbap_client_emit_operation_complete_event(pbap_client, ERROR_CODE_SUCCESS); 996 } 997 break; 998 case OBEX_RESP_NOT_FOUND: 999 pbap_client->state = PBAP_CLIENT_CONNECTED; 1000 pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_FOUND); 1001 break; 1002 default: 1003 pbap_client->state = PBAP_CLIENT_CONNECTED; 1004 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 1005 break; 1006 } 1007 break; 1008 case PBAP_CLIENT_W4_PHONEBOOK: 1009 switch (op_info.response_code) { 1010 case OBEX_RESP_CONTINUE: 1011 pbap_client_handle_srm_headers(pbap_client); 1012 if (pbap_client->srm_state == SRM_ENABLED) { 1013 // prepare response 1014 pbap_client_prepare_get_operation(pbap_client); 1015 break; 1016 } 1017 pbap_client->state = PBAP_CLIENT_W2_PULL_PHONEBOOK; 1018 if (!pbap_client->flow_control_enabled || !pbap_client->flow_wait_for_user || 1019 pbap_client->flow_next_triggered) { 1020 goep_client_request_can_send_now(pbap_client->goep_cid); 1021 } 1022 break; 1023 case OBEX_RESP_SUCCESS: 1024 pbap_client->state = PBAP_CLIENT_CONNECTED; 1025 pbap_client_emit_operation_complete_event(pbap_client, ERROR_CODE_SUCCESS); 1026 break; 1027 default: 1028 log_info("unexpected response 0x%02x", packet[0]); 1029 pbap_client->state = PBAP_CLIENT_CONNECTED; 1030 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 1031 break; 1032 } 1033 break; 1034 case PBAP_CLIENT_W4_GET_PHONEBOOK_SIZE_COMPLETE: 1035 switch (op_info.response_code) { 1036 case OBEX_RESP_SUCCESS: 1037 if (pbap_client->phonebook_size_parser.have_size) { 1038 uint16_t phonebook_size = big_endian_read_16(pbap_client->phonebook_size_parser.size_buffer, 0); 1039 pbap_client->state = PBAP_CLIENT_CONNECTED; 1040 pbap_client_emit_phonebook_size_event(pbap_client, 0, phonebook_size); 1041 break; 1042 } 1043 /* fall through */ 1044 default: 1045 pbap_client->state = PBAP_CLIENT_CONNECTED; 1046 pbap_client_emit_phonebook_size_event(pbap_client, OBEX_UNKNOWN_ERROR, 0); 1047 break; 1048 } 1049 break; 1050 case PBAP_CLIENT_W4_GET_CARD_LIST_COMPLETE: 1051 switch (op_info.response_code) { 1052 case OBEX_RESP_CONTINUE: 1053 // handle continue 1054 pbap_client_handle_srm_headers(pbap_client); 1055 if (pbap_client->srm_state == SRM_ENABLED) { 1056 // prepare response 1057 pbap_client_prepare_get_operation(pbap_client); 1058 break; 1059 } 1060 pbap_client->state = PBAP_CLIENT_W2_GET_CARD_LIST; 1061 goep_client_request_can_send_now(pbap_client->goep_cid); 1062 break; 1063 case OBEX_RESP_SUCCESS: 1064 // done 1065 pbap_client->state = PBAP_CLIENT_CONNECTED; 1066 pbap_client_emit_operation_complete_event(pbap_client, ERROR_CODE_SUCCESS); 1067 break; 1068 case OBEX_RESP_NOT_ACCEPTABLE: 1069 pbap_client->state = PBAP_CLIENT_CONNECTED; 1070 pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_ACCEPTABLE); 1071 break; 1072 default: 1073 log_info("unexpected response 0x%02x", packet[0]); 1074 pbap_client->state = PBAP_CLIENT_CONNECTED; 1075 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 1076 break; 1077 } 1078 break; 1079 case PBAP_CLIENT_W4_GET_CARD_ENTRY_COMPLETE: 1080 switch (op_info.response_code) { 1081 case OBEX_RESP_CONTINUE: 1082 pbap_client_handle_srm_headers(pbap_client); 1083 if (pbap_client->srm_state == SRM_ENABLED) { 1084 // prepare response 1085 pbap_client_prepare_get_operation(pbap_client); 1086 break; 1087 } 1088 pbap_client->state = PBAP_CLIENT_W2_GET_CARD_ENTRY; 1089 goep_client_request_can_send_now(pbap_client->goep_cid); 1090 break; 1091 case OBEX_RESP_SUCCESS: 1092 pbap_client->state = PBAP_CLIENT_CONNECTED; 1093 pbap_client_emit_operation_complete_event(pbap_client, ERROR_CODE_SUCCESS); 1094 break; 1095 case OBEX_RESP_NOT_ACCEPTABLE: 1096 pbap_client->state = PBAP_CLIENT_CONNECTED; 1097 pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_ACCEPTABLE); 1098 break; 1099 default: 1100 log_info("unexpected response 0x%02x", packet[0]); 1101 pbap_client->state = PBAP_CLIENT_CONNECTED; 1102 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 1103 break; 1104 } 1105 break; 1106 case PBAP_CLIENT_W4_ABORT_COMPLETE: 1107 pbap_client->state = PBAP_CLIENT_CONNECTED; 1108 pbap_client_emit_operation_complete_event(pbap_client, OBEX_ABORTED); 1109 break; 1110 default: 1111 btstack_unreachable(); 1112 break; 1113 } 1114 } 1115 } 1116 1117 static void pbap_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 1118 UNUSED(channel); // ok: there is no channel 1119 UNUSED(size); // ok: handling own geop events 1120 1121 switch (packet_type){ 1122 case HCI_EVENT_PACKET: 1123 pbap_packet_handler_hci(packet, size); 1124 break; 1125 case GOEP_DATA_PACKET: 1126 pbap_packet_handler_goep(packet, size); 1127 break; 1128 default: 1129 break; 1130 } 1131 } 1132 1133 static void pbap_client_reset_state(void) { 1134 pbap_client_supported_features = 1135 PBAP_SUPPORTED_FEATURES_DOWNLOAD | 1136 PBAP_SUPPORTED_FEATURES_BROWSING | 1137 PBAP_SUPPORTED_FEATURES_DATABASE_IDENTIFIER | 1138 PBAP_SUPPORTED_FEATURES_FOLDER_VERSION_COUNTERS | 1139 PBAP_SUPPORTED_FEATURES_VCARD_SELECTING | 1140 PBAP_SUPPORTED_FEATURES_ENHANCED_MISSED_CALLS | 1141 PBAP_SUPPORTED_FEATURES_DEFAULT_CONTACT_IMAGE_FORMAT | 1142 PBAP_SUPPORTED_FEATURES_X_BT_UCI_VCARD_PROPERTY | 1143 PBAP_SUPPORTED_FEATURES_X_BT_UID_VCARD_PROPERTY | 1144 PBAP_SUPPORTED_FEATURES_CONTACT_REFERENCING; 1145 pbap_client->state = PBAP_CLIENT_INIT; 1146 pbap_client->cid = 1; 1147 } 1148 1149 void pbap_client_init(void){ 1150 pbap_client_reset_state(); 1151 } 1152 1153 void pbap_client_deinit(void){ 1154 pbap_client_reset_state(); 1155 memset(pbap_client, 0, sizeof(pbap_client_t)); 1156 } 1157 1158 uint8_t pbap_connect(btstack_packet_handler_t handler, bd_addr_t addr, uint16_t * out_cid){ 1159 if (pbap_client->state != PBAP_CLIENT_INIT){ 1160 return BTSTACK_MEMORY_ALLOC_FAILED; 1161 } 1162 1163 pbap_client->state = PBAP_CLIENT_W4_GOEP_CONNECTION; 1164 pbap_client->client_handler = handler; 1165 pbap_client->vcard_selector = 0; 1166 pbap_client->vcard_selector_operator = PBAP_VCARD_SELECTOR_OPERATOR_OR; 1167 1168 uint8_t err = goep_client_create_connection(&pbap_packet_handler, addr, BLUETOOTH_SERVICE_CLASS_PHONEBOOK_ACCESS_PSE, &pbap_client->goep_cid); 1169 *out_cid = pbap_client->cid; 1170 if (err) return err; 1171 return ERROR_CODE_SUCCESS; 1172 } 1173 1174 uint8_t pbap_disconnect(uint16_t pbap_cid){ 1175 UNUSED(pbap_cid); 1176 if (pbap_client->state < PBAP_CLIENT_CONNECTED){ 1177 return BTSTACK_BUSY; 1178 } 1179 pbap_client->state = PBAP_CLIENT_W2_SEND_DISCONNECT_REQUEST; 1180 goep_client_request_can_send_now(pbap_client->goep_cid); 1181 return ERROR_CODE_SUCCESS; 1182 } 1183 1184 uint8_t pbap_get_phonebook_size(uint16_t pbap_cid, const char * path){ 1185 UNUSED(pbap_cid); 1186 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1187 return BTSTACK_BUSY; 1188 } 1189 pbap_client->state = PBAP_CLIENT_W2_GET_PHONEBOOK_SIZE; 1190 pbap_client->phonebook_path = path; 1191 pbap_client->request_number = 0; 1192 goep_client_request_can_send_now(pbap_client->goep_cid); 1193 return ERROR_CODE_SUCCESS; 1194 } 1195 1196 uint8_t pbap_pull_phonebook(uint16_t pbap_cid, const char * path){ 1197 UNUSED(pbap_cid); 1198 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1199 return BTSTACK_BUSY; 1200 } 1201 pbap_client->state = PBAP_CLIENT_W2_PULL_PHONEBOOK; 1202 pbap_client->phonebook_path = path; 1203 pbap_client->vcard_name = NULL; 1204 pbap_client->request_number = 0; 1205 goep_client_request_can_send_now(pbap_client->goep_cid); 1206 return ERROR_CODE_SUCCESS; 1207 } 1208 1209 uint8_t pbap_set_phonebook(uint16_t pbap_cid, const char * path){ 1210 UNUSED(pbap_cid); 1211 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1212 return BTSTACK_BUSY; 1213 } 1214 pbap_client->state = PBAP_CLIENT_W2_SET_PATH_ROOT; 1215 pbap_client->current_folder = path; 1216 pbap_client->set_path_offset = 0; 1217 goep_client_request_can_send_now(pbap_client->goep_cid); 1218 return ERROR_CODE_SUCCESS; 1219 } 1220 1221 uint8_t pbap_authentication_password(uint16_t pbap_cid, const char * password){ 1222 UNUSED(pbap_cid); 1223 if (pbap_client->state != PBAP_CLIENT_W4_USER_AUTHENTICATION){ 1224 return BTSTACK_BUSY; 1225 } 1226 pbap_client->state = PBAP_CLIENT_W2_SEND_AUTHENTICATED_CONNECT; 1227 pbap_client->authentication_password = password; 1228 goep_client_request_can_send_now(pbap_client->goep_cid); 1229 return ERROR_CODE_SUCCESS; 1230 } 1231 1232 uint8_t pbap_pull_vcard_listing(uint16_t pbap_cid, const char * path){ 1233 UNUSED(pbap_cid); 1234 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1235 return BTSTACK_BUSY; 1236 } 1237 pbap_client->state = PBAP_CLIENT_W2_GET_CARD_LIST; 1238 pbap_client->phonebook_path = path; 1239 pbap_client->phone_number = NULL; 1240 pbap_client->request_number = 0; 1241 pbap_client_vcard_listing_init_parser(pbap_client); 1242 goep_client_request_can_send_now(pbap_client->goep_cid); 1243 return ERROR_CODE_SUCCESS; 1244 } 1245 1246 uint8_t pbap_pull_vcard_entry(uint16_t pbap_cid, const char * path){ 1247 UNUSED(pbap_cid); 1248 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1249 return BTSTACK_BUSY; 1250 } 1251 pbap_client->state = PBAP_CLIENT_W2_GET_CARD_ENTRY; 1252 // pbap_client->phonebook_path = NULL; 1253 // pbap_client->phone_number = NULL; 1254 pbap_client->vcard_name = path; 1255 pbap_client->request_number = 0; 1256 goep_client_request_can_send_now(pbap_client->goep_cid); 1257 return ERROR_CODE_SUCCESS; 1258 } 1259 1260 uint8_t pbap_lookup_by_number(uint16_t pbap_cid, const char * phone_number){ 1261 UNUSED(pbap_cid); 1262 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1263 return BTSTACK_BUSY; 1264 } 1265 pbap_client->state = PBAP_CLIENT_W2_GET_CARD_LIST; 1266 pbap_client->phonebook_path = pbap_vcard_listing_name; 1267 pbap_client->phone_number = phone_number; 1268 pbap_client->request_number = 0; 1269 pbap_client_vcard_listing_init_parser(pbap_client); 1270 goep_client_request_can_send_now(pbap_client->goep_cid); 1271 return ERROR_CODE_SUCCESS; 1272 } 1273 1274 uint8_t pbap_abort(uint16_t pbap_cid){ 1275 UNUSED(pbap_cid); 1276 if ((pbap_client->state < PBAP_CLIENT_CONNECTED) || (pbap_client->abort_operation != 0)){ 1277 return ERROR_CODE_COMMAND_DISALLOWED; 1278 } 1279 log_info("abort current operation, state 0x%02x", pbap_client->state); 1280 pbap_client->abort_operation = 1; 1281 return ERROR_CODE_SUCCESS; 1282 } 1283 1284 uint8_t pbap_next_packet(uint16_t pbap_cid){ 1285 // log_info("pbap_next_packet, state %x", pbap_client->state); 1286 UNUSED(pbap_cid); 1287 if (!pbap_client->flow_control_enabled){ 1288 return ERROR_CODE_SUCCESS; 1289 } 1290 switch (pbap_client->state){ 1291 case PBAP_CLIENT_W2_PULL_PHONEBOOK: 1292 goep_client_request_can_send_now(pbap_client->goep_cid); 1293 break; 1294 case PBAP_CLIENT_W4_PHONEBOOK: 1295 pbap_client->flow_next_triggered = 1; 1296 break; 1297 default: 1298 break; 1299 } 1300 return ERROR_CODE_SUCCESS; 1301 } 1302 1303 uint8_t pbap_set_flow_control_mode(uint16_t pbap_cid, int enable){ 1304 UNUSED(pbap_cid); 1305 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1306 return BTSTACK_BUSY; 1307 } 1308 pbap_client->flow_control_enabled = enable; 1309 return ERROR_CODE_SUCCESS; 1310 } 1311 1312 uint8_t pbap_set_vcard_selector(uint16_t pbap_cid, uint32_t vcard_selector){ 1313 UNUSED(pbap_cid); 1314 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1315 return BTSTACK_BUSY; 1316 } 1317 pbap_client->vcard_selector = vcard_selector; 1318 return ERROR_CODE_SUCCESS; 1319 } 1320 1321 uint8_t pbap_set_vcard_selector_operator(uint16_t pbap_cid, int vcard_selector_operator){ 1322 UNUSED(pbap_cid); 1323 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1324 return BTSTACK_BUSY; 1325 } 1326 pbap_client->vcard_selector_operator = vcard_selector_operator; 1327 return ERROR_CODE_SUCCESS; 1328 } 1329 1330 uint8_t pbap_set_property_selector(uint16_t pbap_cid, uint32_t property_selector){ 1331 UNUSED(pbap_cid); 1332 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1333 return BTSTACK_BUSY; 1334 } 1335 pbap_client->property_selector = property_selector; 1336 return ERROR_CODE_SUCCESS; 1337 } 1338 1339 uint8_t pbap_set_max_list_count(uint16_t pbap_cid, uint16_t max_list_count){ 1340 UNUSED(pbap_cid); 1341 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1342 return BTSTACK_BUSY; 1343 } 1344 pbap_client->max_list_count = max_list_count; 1345 return ERROR_CODE_SUCCESS; 1346 } 1347 1348 uint8_t pbap_set_list_start_offset(uint16_t pbap_cid, uint16_t list_start_offset){ 1349 UNUSED(pbap_cid); 1350 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1351 return BTSTACK_BUSY; 1352 } 1353 pbap_client->list_start_offset = list_start_offset; 1354 return ERROR_CODE_SUCCESS; 1355 } 1356