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_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 enum { 110 OBEX_AUTH_PARSER_STATE_W4_TYPE = 0, 111 OBEX_AUTH_PARSER_STATE_W4_LEN, 112 OBEX_AUTH_PARSER_STATE_W4_VALUE, 113 OBEX_AUTH_PARSER_STATE_INVALID, 114 } obex_auth_parser_state_t; 115 116 typedef struct { 117 // parsing 118 obex_auth_parser_state_t state; 119 uint8_t type; 120 uint8_t len; 121 uint8_t pos; 122 // data 123 uint8_t authentication_options; 124 uint16_t authentication_nonce[16]; 125 } obex_auth_parser_t; 126 127 typedef struct { 128 uint8_t srm_value; 129 uint8_t srmp_value; 130 } obex_srm_t; 131 132 typedef enum { 133 PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_TYPE = 0, 134 PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_LEN, 135 PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_VALUE, 136 PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_INVALID, 137 } pbap_client_phonebook_size_parser_state_t; 138 139 typedef struct { 140 // parsing 141 pbap_client_phonebook_size_parser_state_t state; 142 uint8_t type; 143 uint8_t len; 144 uint8_t pos; 145 // data 146 bool have_size; 147 uint8_t size_buffer[2]; 148 } pbap_client_phonebook_size_parser_t; 149 150 typedef struct pbap_client { 151 pbap_state_t state; 152 uint16_t cid; 153 bd_addr_t bd_addr; 154 hci_con_handle_t con_handle; 155 uint8_t incoming; 156 uint16_t goep_cid; 157 btstack_packet_handler_t client_handler; 158 int request_number; 159 const char * current_folder; 160 const char * phone_number; 161 const char * phonebook_path; 162 const char * vcard_name; 163 uint16_t set_path_offset; 164 /* vcard selector / operator */ 165 uint32_t vcard_selector; 166 uint8_t vcard_selector_operator; 167 uint8_t vcard_selector_supported; 168 /* property selector */ 169 uint32_t property_selector; 170 /* abort */ 171 uint8_t abort_operation; 172 /* obex parser */ 173 bool obex_parser_waiting_for_response; 174 obex_parser_t obex_parser; 175 uint8_t obex_header_buffer[4]; 176 /* authentication */ 177 obex_auth_parser_t obex_auth_parser; 178 const char * authentication_password; 179 /* xml parser */ 180 yxml_t xml_parser; 181 uint8_t xml_buffer[50]; 182 /* vcard listing parser */ 183 bool parser_card_found; 184 bool parser_name_found; 185 bool parser_handle_found; 186 char parser_name[PBAP_MAX_NAME_LEN]; 187 char parser_handle[PBAP_MAX_HANDLE_LEN]; 188 /* phonebook size */ 189 pbap_client_phonebook_size_parser_t phonebook_size_parser; 190 /* flow control mode */ 191 uint8_t flow_control_enabled; 192 uint8_t flow_next_triggered; 193 bool flow_wait_for_user; 194 /* srm */ 195 obex_srm_t obex_srm; 196 srm_state_t srm_state; 197 } pbap_client_t; 198 199 static uint32_t pbap_client_supported_features; 200 201 static pbap_client_t pbap_client_singleton; 202 static pbap_client_t * pbap_client = &pbap_client_singleton; 203 204 static void pbap_client_emit_connected_event(pbap_client_t * context, uint8_t status){ 205 uint8_t event[15]; 206 int pos = 0; 207 event[pos++] = HCI_EVENT_PBAP_META; 208 pos++; // skip len 209 event[pos++] = PBAP_SUBEVENT_CONNECTION_OPENED; 210 little_endian_store_16(event,pos,context->cid); 211 pos+=2; 212 event[pos++] = status; 213 (void)memcpy(&event[pos], context->bd_addr, 6); 214 pos += 6; 215 little_endian_store_16(event,pos,context->con_handle); 216 pos += 2; 217 event[pos++] = context->incoming; 218 event[1] = pos - 2; 219 if (pos != sizeof(event)) log_error("goep_client_emit_connected_event size %u", pos); 220 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 221 } 222 223 static void pbap_client_emit_connection_closed_event(pbap_client_t * context){ 224 uint8_t event[5]; 225 int pos = 0; 226 event[pos++] = HCI_EVENT_PBAP_META; 227 pos++; // skip len 228 event[pos++] = PBAP_SUBEVENT_CONNECTION_CLOSED; 229 little_endian_store_16(event,pos,context->cid); 230 pos+=2; 231 event[1] = pos - 2; 232 if (pos != sizeof(event)) log_error("pbap_client_emit_connection_closed_event size %u", pos); 233 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 234 } 235 236 static void pbap_client_emit_operation_complete_event(pbap_client_t * context, uint8_t status){ 237 uint8_t event[6]; 238 int pos = 0; 239 event[pos++] = HCI_EVENT_PBAP_META; 240 pos++; // skip len 241 event[pos++] = PBAP_SUBEVENT_OPERATION_COMPLETED; 242 little_endian_store_16(event,pos,context->cid); 243 pos+=2; 244 event[pos++]= status; 245 event[1] = pos - 2; 246 if (pos != sizeof(event)) log_error("pbap_client_emit_can_send_now_event size %u", pos); 247 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 248 } 249 250 static void pbap_client_emit_phonebook_size_event(pbap_client_t * context, uint8_t status, uint16_t phonebook_size){ 251 uint8_t event[8]; 252 int pos = 0; 253 event[pos++] = HCI_EVENT_PBAP_META; 254 pos++; // skip len 255 event[pos++] = PBAP_SUBEVENT_PHONEBOOK_SIZE; 256 little_endian_store_16(event,pos,context->cid); 257 pos+=2; 258 event[pos++] = status; 259 little_endian_store_16(event,pos, phonebook_size); 260 pos+=2; 261 event[1] = pos - 2; 262 if (pos != sizeof(event)) log_error("pbap_client_emit_phonebook_size_event size %u", pos); 263 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 264 } 265 266 static void pbap_client_emit_authentication_event(pbap_client_t * context, uint8_t options){ 267 // split options 268 uint8_t user_id_required = (options & 1) ? 1 : 0; 269 uint8_t full_access = (options & 2) ? 1 : 0; 270 271 uint8_t event[7]; 272 int pos = 0; 273 event[pos++] = HCI_EVENT_PBAP_META; 274 pos++; // skip len 275 event[pos++] = PBAP_SUBEVENT_AUTHENTICATION_REQUEST; 276 little_endian_store_16(event,pos,context->cid); 277 pos+=2; 278 event[pos++] = user_id_required; 279 event[pos++] = full_access; 280 if (pos != sizeof(event)) log_error("pbap_client_emit_authentication_event size %u", pos); 281 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 282 } 283 284 static void pbap_client_emit_card_result_event(pbap_client_t * context, const char * name, const char * handle){ 285 uint8_t event[5 + PBAP_MAX_NAME_LEN + PBAP_MAX_HANDLE_LEN]; 286 int pos = 0; 287 event[pos++] = HCI_EVENT_PBAP_META; 288 pos++; // skip len 289 event[pos++] = PBAP_SUBEVENT_CARD_RESULT; 290 little_endian_store_16(event,pos,context->cid); 291 pos+=2; 292 int name_len = btstack_min(PBAP_MAX_NAME_LEN, strlen(name)); 293 event[pos++] = name_len; 294 (void)memcpy(&event[pos], name, name_len); 295 pos += name_len; 296 int handle_len = btstack_min(PBAP_MAX_HANDLE_LEN, strlen(handle)); 297 event[pos++] = handle_len; 298 (void)memcpy(&event[pos], handle, handle_len); 299 pos += handle_len; 300 event[1] = pos - 2; 301 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 302 } 303 304 static const uint8_t collon = (uint8_t) ':'; 305 306 static void pbap_client_vcard_listing_init_parser(pbap_client_t * client){ 307 yxml_init(&client->xml_parser, client->xml_buffer, sizeof(client->xml_buffer)); 308 client->parser_card_found = false; 309 client->parser_name_found = false; 310 client->parser_handle_found = false; 311 } 312 313 static void pbap_client_phonebook_size_parser_init(pbap_client_phonebook_size_parser_t * phonebook_size_parer){ 314 memset(phonebook_size_parer, 0, sizeof(pbap_client_phonebook_size_parser_t)); 315 } 316 317 static void pbap_client_phoneboook_size_parser_process_data(pbap_client_phonebook_size_parser_t * phonebook_size_parser, const uint8_t * data_buffer, uint16_t data_len){ 318 while (data_len){ 319 uint16_t bytes_to_consume = 1; 320 switch(phonebook_size_parser->state){ 321 case PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_INVALID: 322 return; 323 case PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_TYPE: 324 phonebook_size_parser->type = *data_buffer; 325 phonebook_size_parser->state = PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_LEN; 326 break; 327 case PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_LEN: 328 phonebook_size_parser->len = *data_buffer; 329 phonebook_size_parser->state = PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_VALUE; 330 switch (phonebook_size_parser->type){ 331 case PBAP_APPLICATION_PARAMETER_PHONEBOOK_SIZE: 332 if (phonebook_size_parser->len != 2){ 333 phonebook_size_parser->state = PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_INVALID; 334 return; 335 } 336 break; 337 default: 338 break; 339 } 340 break; 341 case PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_VALUE: 342 bytes_to_consume = btstack_min(phonebook_size_parser->len - phonebook_size_parser->pos, data_len); 343 switch (phonebook_size_parser->type){ 344 case PBAP_APPLICATION_PARAMETER_PHONEBOOK_SIZE: 345 memcpy(&phonebook_size_parser->size_buffer[phonebook_size_parser->pos], data_buffer, bytes_to_consume); 346 break; 347 default: 348 // ignore data 349 break; 350 } 351 phonebook_size_parser->pos += bytes_to_consume; 352 if (phonebook_size_parser->pos == phonebook_size_parser->len){ 353 phonebook_size_parser->state = PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_TYPE; 354 switch (phonebook_size_parser->type){ 355 case PBAP_APPLICATION_PARAMETER_PHONEBOOK_SIZE: 356 phonebook_size_parser->have_size = true; 357 break; 358 default: 359 break; 360 } 361 } 362 break; 363 default: 364 break; 365 } 366 data_buffer += bytes_to_consume; 367 data_len -= bytes_to_consume; 368 } 369 } 370 371 static void obex_auth_parser_init(obex_auth_parser_t * auth_parser){ 372 memset(auth_parser, 0, sizeof(obex_auth_parser_t)); 373 } 374 375 static void obex_auth_parser_process_data(obex_auth_parser_t * auth_parser, const uint8_t * data_buffer, uint16_t data_len){ 376 while (data_len){ 377 uint16_t bytes_to_consume = 1; 378 switch(auth_parser->state){ 379 case OBEX_AUTH_PARSER_STATE_INVALID: 380 return; 381 case OBEX_AUTH_PARSER_STATE_W4_TYPE: 382 auth_parser->type = *data_buffer; 383 auth_parser->state = OBEX_AUTH_PARSER_STATE_W4_LEN; 384 break; 385 case OBEX_AUTH_PARSER_STATE_W4_LEN: 386 auth_parser->len = *data_buffer; 387 switch (auth_parser->type){ 388 case 0: 389 if (auth_parser->len != 0x10){ 390 auth_parser->state = OBEX_AUTH_PARSER_STATE_INVALID; 391 return; 392 } 393 break; 394 case 1: 395 if (auth_parser->len != 0x01){ 396 auth_parser->state = OBEX_AUTH_PARSER_STATE_INVALID; 397 return; 398 } 399 break; 400 case 2: 401 // TODO: handle charset 402 // charset_code = challenge_data[i]; 403 break; 404 default: 405 break; 406 } 407 auth_parser->state = OBEX_AUTH_PARSER_STATE_W4_VALUE; 408 break; 409 case OBEX_AUTH_PARSER_STATE_W4_VALUE: 410 bytes_to_consume = btstack_min(auth_parser->len - auth_parser->pos, data_len); 411 switch (auth_parser->type){ 412 case 0: 413 memcpy(&auth_parser->authentication_nonce[auth_parser->pos], data_buffer, bytes_to_consume); 414 break; 415 case 1: 416 auth_parser->authentication_options = *data_buffer; 417 break; 418 default: 419 // ignore 420 break; 421 } 422 auth_parser->pos += bytes_to_consume; 423 if (auth_parser->pos == auth_parser->len){ 424 auth_parser->state = OBEX_AUTH_PARSER_STATE_W4_TYPE; 425 } 426 break; 427 default: 428 btstack_unreachable(); 429 break; 430 } 431 data_buffer += bytes_to_consume; 432 data_len -= bytes_to_consume; 433 } 434 } 435 436 static void obex_srm_init(obex_srm_t * obex_srm){ 437 obex_srm->srm_value = OBEX_SRM_DISABLE; 438 obex_srm->srmp_value = OBEX_SRMP_NEXT; 439 } 440 static void pbap_client_yml_append_character(yxml_t * xml_parser, char * buffer, uint16_t buffer_size){ 441 // "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." 442 uint16_t char_len = strlen(xml_parser->data); 443 if ((strlen(buffer) + char_len + 1) >= buffer_size) return; 444 strcat(buffer, xml_parser->data); 445 } 446 447 static void pbap_client_process_vcard_list_body(const uint8_t * data, uint16_t data_len){ 448 while (data_len--) { 449 yxml_ret_t r = yxml_parse(&pbap_client->xml_parser, *data++); 450 switch (r) { 451 case YXML_ELEMSTART: 452 pbap_client->parser_card_found = strcmp("card", pbap_client->xml_parser.elem) == 0; 453 break; 454 case YXML_ELEMEND: 455 if (pbap_client->parser_card_found) { 456 pbap_client_emit_card_result_event(pbap_client, pbap_client->parser_name, 457 pbap_client->parser_handle); 458 } 459 pbap_client->parser_card_found = false; 460 break; 461 case YXML_ATTRSTART: 462 if (!pbap_client->parser_card_found) break; 463 if (strcmp("name", pbap_client->xml_parser.attr) == 0) { 464 pbap_client->parser_name_found = true; 465 pbap_client->parser_name[0] = 0; 466 break; 467 } 468 if (strcmp("handle", pbap_client->xml_parser.attr) == 0) { 469 pbap_client->parser_handle_found = true; 470 pbap_client->parser_handle[0] = 0; 471 break; 472 } 473 break; 474 case YXML_ATTRVAL: 475 if (pbap_client->parser_name_found) { 476 pbap_client_yml_append_character(&pbap_client->xml_parser, 477 pbap_client->parser_name, 478 sizeof(pbap_client->parser_name)); 479 break; 480 } 481 if (pbap_client->parser_handle_found) { 482 pbap_client_yml_append_character(&pbap_client->xml_parser, 483 pbap_client->parser_handle, 484 sizeof(pbap_client->parser_handle)); 485 break; 486 } 487 break; 488 case YXML_ATTREND: 489 pbap_client->parser_name_found = false; 490 pbap_client->parser_handle_found = false; 491 break; 492 default: 493 break; 494 } 495 } 496 } 497 498 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){ 499 pbap_client_t * client = (pbap_client_t *) user_data; 500 switch (header_id){ 501 case OBEX_HEADER_CONNECTION_ID: 502 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){ 503 goep_client_set_connection_id(client->goep_cid, big_endian_read_32(client->obex_header_buffer, 0)); 504 } 505 break; 506 case OBEX_HEADER_AUTHENTICATION_CHALLENGE: 507 obex_auth_parser_process_data(&client->obex_auth_parser, data_buffer, data_len); 508 break; 509 default: 510 break; 511 } 512 } 513 514 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){ 515 UNUSED(total_len); 516 UNUSED(data_offset); 517 pbap_client_t *client = (pbap_client_t *) user_data; 518 switch (header_id) { 519 case OBEX_HEADER_APPLICATION_PARAMETERS: 520 pbap_client_phoneboook_size_parser_process_data(&client->phonebook_size_parser, data_buffer, data_len); 521 break; 522 default: 523 break; 524 } 525 } 526 527 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){ 528 pbap_client_t *client = (pbap_client_t *) user_data; 529 switch (header_id) { 530 case OBEX_HEADER_SINGLE_RESPONSE_MODE: 531 obex_parser_header_store(&client->obex_srm.srm_value, 1, total_len, data_offset, data_buffer, data_len); 532 break; 533 case OBEX_HEADER_SINGLE_RESPONSE_MODE_PARAMETER: 534 obex_parser_header_store(&client->obex_srm.srmp_value, 1, total_len, data_offset, data_buffer, data_len); 535 break; 536 case OBEX_HEADER_BODY: 537 case OBEX_HEADER_END_OF_BODY: 538 switch(pbap_client->state){ 539 case PBAP_W4_PHONEBOOK: 540 case PBAP_W4_GET_CARD_ENTRY_COMPLETE: 541 client->client_handler(PBAP_DATA_PACKET, client->cid, (uint8_t *) data_buffer, data_len); 542 if (data_offset + data_len == total_len){ 543 client->flow_wait_for_user = true; 544 } 545 break; 546 case PBAP_W4_GET_CARD_LIST_COMPLETE: 547 pbap_client_process_vcard_list_body(data_buffer, data_len); 548 break; 549 default: 550 btstack_unreachable(); 551 break; 552 } 553 break; 554 default: 555 // ignore other headers 556 break; 557 } 558 } 559 560 static uint16_t pbap_client_application_params_add_vcard_selector(const pbap_client_t * client, uint8_t * application_parameters){ 561 uint16_t pos = 0; 562 if (client->vcard_selector_supported){ 563 // vCard Selector 564 if (pbap_client->vcard_selector){ 565 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_VCARD_SELECTOR; 566 application_parameters[pos++] = 8; 567 memset(&application_parameters[pos], 0, 4); 568 pos += 4; 569 big_endian_store_32(application_parameters, pos, client->vcard_selector); 570 pos += 4; 571 } 572 // vCard Selector Operator 573 if (client->vcard_selector_operator != PBAP_VCARD_SELECTOR_OPERATOR_OR){ 574 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_VCARD_SELECTOR_OPERATOR; 575 application_parameters[pos++] = 1; 576 application_parameters[pos++] = client->vcard_selector_operator; 577 } 578 } 579 return pos; 580 } 581 582 static uint16_t pbap_client_application_params_add_max_list_count(const pbap_client_t * client, uint8_t * application_parameters, uint16_t max_count){ 583 UNUSED(client); 584 uint16_t pos = 0; 585 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_MAX_LIST_COUNT; 586 application_parameters[pos++] = 2; 587 big_endian_store_16(application_parameters, 2, max_count); 588 pos += 2; 589 return pos; 590 } 591 592 // max size: PBAP_MAX_PHONE_NUMBER_LEN + 5 593 static uint16_t pbap_client_application_params_add_phone_number(const pbap_client_t * client, uint8_t * application_parameters){ 594 uint16_t pos = 0; 595 if (client->phone_number){ 596 // Search by phone number 597 uint16_t phone_number_len = btstack_min(PBAP_MAX_PHONE_NUMBER_LEN, strlen(client->phone_number)); 598 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_SEARCH_VALUE; 599 application_parameters[pos++] = phone_number_len; 600 (void)memcpy(&application_parameters[pos], 601 pbap_client->phone_number, phone_number_len); 602 pos += phone_number_len; 603 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_SEARCH_PROPERTY; 604 application_parameters[pos++] = 1; 605 application_parameters[pos++] = 0x01; // Number 606 } 607 return pos; 608 } 609 610 static uint16_t pbap_client_application_params_add_property_selector(const pbap_client_t * client, uint8_t * application_parameters){ 611 // TODO: support format 612 uint16_t pos = 0; 613 uint32_t property_selector_lower = client->property_selector; 614 if (strncmp(pbap_client->vcard_name, "X-BT-UID:", 9) == 0) { 615 property_selector_lower |= 1U << 31; 616 } 617 if (strncmp(pbap_client->vcard_name, "X-BT-UCI:", 9) == 0) { 618 property_selector_lower |= 1U << 30; 619 } 620 if (property_selector_lower != 0){ 621 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_PROPERTY_SELECTOR; 622 application_parameters[pos++] = 8; 623 big_endian_store_32(application_parameters, pos, 0); // upper 32-bits are reserved/unused so far 624 pos += 4; 625 big_endian_store_32(application_parameters, pos, property_selector_lower); 626 pos += 4; 627 } 628 return pos; 629 } 630 631 // Mandatory if the PSE advertises a PbapSupportedFeatures attribute in its SDP record, else excluded. 632 static uint16_t pbap_client_application_parameters_add_supported_features(const pbap_client_t * client, uint8_t *application_parameters) { 633 uint16_t pos = 0; 634 if (goep_client_get_pbap_supported_features(client->goep_cid) != PBAP_FEATURES_NOT_PRESENT){ 635 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_PBAP_SUPPORTED_FEATURES; 636 application_parameters[pos++] = 4; 637 big_endian_store_32(application_parameters, 2, pbap_client_supported_features); 638 pos += 4; 639 } 640 return pos; 641 } 642 643 static void pbap_client_add_application_parameters(const pbap_client_t * client, uint8_t * application_parameters, uint16_t len){ 644 if (len > 0){ 645 goep_client_header_add_application_parameters(client->goep_cid, &application_parameters[0], len); 646 } 647 } 648 649 static void pbap_client_prepare_srm_header(const pbap_client_t * client){ 650 if (!client->flow_control_enabled && goep_client_version_20_or_higher(client->goep_cid)){ 651 goep_client_header_add_srm_enable(client->goep_cid); 652 pbap_client->srm_state = SRM_W4_CONFIRM; 653 } 654 } 655 656 static void pbap_client_prepare_get_operation(pbap_client_t * client){ 657 obex_parser_init_for_response(&client->obex_parser, OBEX_OPCODE_GET, pbap_client_parser_callback_get_operation, pbap_client); 658 obex_srm_init(&client->obex_srm); 659 client->obex_parser_waiting_for_response = true; 660 } 661 662 static void pbap_handle_can_send_now(void){ 663 uint16_t path_element_start; 664 uint16_t path_element_len; 665 const char * path_element; 666 uint8_t application_parameters[PBAP_MAX_PHONE_NUMBER_LEN + 10]; 667 uint8_t challenge_response[36]; 668 uint16_t pos; 669 670 MD5_CTX md5_ctx; 671 672 if (pbap_client->abort_operation){ 673 pbap_client->abort_operation = 0; 674 pbap_client->state = PBAP_CONNECTED; 675 goep_client_request_create_abort(pbap_client->goep_cid); 676 goep_client_execute(pbap_client->goep_cid); 677 return; 678 } 679 680 switch (pbap_client->state){ 681 case PBAP_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_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_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, 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_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_W2_SEND_DISCONNECT_REQUEST: 728 // prepare request 729 goep_client_request_create_disconnect(pbap_client->goep_cid); 730 // state 731 pbap_client->state = PBAP_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_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 pos += pbap_client_application_params_add_max_list_count(pbap_client, &application_parameters[pos], 0); // just get size 749 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 750 751 // state 752 pbap_client->state = PBAP_W4_GET_PHONEBOOK_SIZE_COMPLETE; 753 // prepare response 754 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_GET, pbap_client_parser_callback_get_phonebook_size, pbap_client); 755 obex_srm_init(&pbap_client->obex_srm); 756 pbap_client_phonebook_size_parser_init(&pbap_client->phonebook_size_parser); 757 pbap_client->obex_parser_waiting_for_response = true; 758 // send packet 759 goep_client_execute(pbap_client->goep_cid); 760 break; 761 case PBAP_W2_PULL_PHONEBOOK: 762 // prepare request 763 goep_client_request_create_get(pbap_client->goep_cid); 764 if (pbap_client->request_number == 0){ 765 pbap_client_prepare_srm_header(pbap_client); 766 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->phonebook_path); 767 goep_client_header_add_type(pbap_client->goep_cid, pbap_phonebook_type); 768 769 pos = 0; 770 pos += pbap_client_application_params_add_vcard_selector(pbap_client, &application_parameters[pos]); 771 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 772 } 773 // state 774 pbap_client->state = PBAP_W4_PHONEBOOK; 775 pbap_client->flow_next_triggered = 0; 776 pbap_client->flow_wait_for_user = 0; 777 // prepare response 778 pbap_client_prepare_get_operation(pbap_client); 779 // send packet 780 pbap_client->request_number++; 781 goep_client_execute(pbap_client->goep_cid); 782 break; 783 case PBAP_W2_GET_CARD_LIST: 784 // prepare request 785 goep_client_request_create_get(pbap_client->goep_cid); 786 if (pbap_client->request_number == 0){ 787 pbap_client_prepare_srm_header(pbap_client); 788 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->phonebook_path); 789 goep_client_header_add_type(pbap_client->goep_cid, pbap_vcard_listing_type); 790 791 pos = 0; 792 pos += pbap_client_application_params_add_vcard_selector(pbap_client, &application_parameters[pos]); 793 pos += pbap_client_application_params_add_phone_number(pbap_client, &application_parameters[pos]); 794 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 795 } 796 // state 797 pbap_client->state = PBAP_W4_GET_CARD_LIST_COMPLETE; 798 // prepare response 799 pbap_client_prepare_get_operation(pbap_client); 800 // send packet 801 pbap_client->request_number++; 802 goep_client_execute(pbap_client->goep_cid); 803 break; 804 case PBAP_W2_GET_CARD_ENTRY: 805 // prepare request 806 goep_client_request_create_get(pbap_client->goep_cid); 807 if (pbap_client->request_number == 0){ 808 pbap_client_prepare_srm_header(pbap_client); 809 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->vcard_name); 810 goep_client_header_add_type(pbap_client->goep_cid, pbap_vcard_entry_type); 811 812 pos = 0; 813 pos += pbap_client_application_params_add_property_selector(pbap_client, &application_parameters[pos]); 814 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 815 } 816 // state 817 pbap_client->state = PBAP_W4_GET_CARD_ENTRY_COMPLETE; 818 // prepare response 819 pbap_client_prepare_get_operation(pbap_client); 820 // send packet 821 pbap_client->request_number++; 822 goep_client_execute(pbap_client->goep_cid); 823 break; 824 case PBAP_W2_SET_PATH_ROOT: 825 // prepare request 826 goep_client_request_create_set_path(pbap_client->goep_cid, 1 << 1); // Don’t create directory 827 goep_client_header_add_name(pbap_client->goep_cid, ""); 828 // state 829 pbap_client->state = PBAP_W4_SET_PATH_ROOT_COMPLETE; 830 // prepare response 831 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_SETPATH, NULL, pbap_client); 832 obex_srm_init(&pbap_client->obex_srm); 833 pbap_client->obex_parser_waiting_for_response = true; 834 // send packet 835 goep_client_execute(pbap_client->goep_cid); 836 break; 837 case PBAP_W2_SET_PATH_ELEMENT: 838 // prepare request 839 // find '/' or '\0' 840 path_element_start = pbap_client->set_path_offset; 841 while ((pbap_client->current_folder[pbap_client->set_path_offset] != '\0') && 842 (pbap_client->current_folder[pbap_client->set_path_offset] != '/')){ 843 pbap_client->set_path_offset++; 844 } 845 path_element_len = pbap_client->set_path_offset-path_element_start; 846 path_element = (const char *) &pbap_client->current_folder[path_element_start]; 847 848 // skip / 849 if (pbap_client->current_folder[pbap_client->set_path_offset] == '/'){ 850 pbap_client->set_path_offset++; 851 } 852 853 goep_client_request_create_set_path(pbap_client->goep_cid, 1 << 1); // Don’t create directory 854 goep_client_header_add_name_prefix(pbap_client->goep_cid, path_element, path_element_len); // next element 855 // state 856 pbap_client->state = PBAP_W4_SET_PATH_ELEMENT_COMPLETE; 857 // prepare response 858 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_SETPATH, NULL, pbap_client); 859 obex_srm_init(&pbap_client->obex_srm); 860 pbap_client->obex_parser_waiting_for_response = true; 861 // send packet 862 goep_client_execute(pbap_client->goep_cid); 863 break; 864 default: 865 break; 866 } 867 } 868 869 static void pbap_client_handle_srm_headers(pbap_client_t *context) { 870 const obex_srm_t * obex_srm = &pbap_client->obex_srm; 871 // Update SRM state based on SRM headers 872 switch (context->srm_state){ 873 case SRM_W4_CONFIRM: 874 switch (obex_srm->srm_value){ 875 case OBEX_SRM_ENABLE: 876 switch (obex_srm->srmp_value){ 877 case OBEX_SRMP_WAIT: 878 context->srm_state = SRM_ENABLED_BUT_WAITING; 879 break; 880 default: 881 context->srm_state = SRM_ENABLED; 882 break; 883 } 884 break; 885 default: 886 context->srm_state = SRM_DISABLED; 887 break; 888 } 889 break; 890 case SRM_ENABLED_BUT_WAITING: 891 switch (obex_srm->srmp_value){ 892 case OBEX_SRMP_WAIT: 893 context->srm_state = SRM_ENABLED_BUT_WAITING; 894 break; 895 default: 896 context->srm_state = SRM_ENABLED; 897 break; 898 } 899 break; 900 default: 901 break; 902 } 903 log_info("SRM state %u", context->srm_state); 904 } 905 906 static void pbap_packet_handler_hci(uint8_t *packet, uint16_t size){ 907 UNUSED(size); 908 uint8_t status; 909 switch (hci_event_packet_get_type(packet)) { 910 case HCI_EVENT_GOEP_META: 911 switch (hci_event_goep_meta_get_subevent_code(packet)){ 912 case GOEP_SUBEVENT_CONNECTION_OPENED: 913 status = goep_subevent_connection_opened_get_status(packet); 914 pbap_client->con_handle = goep_subevent_connection_opened_get_con_handle(packet); 915 pbap_client->incoming = goep_subevent_connection_opened_get_incoming(packet); 916 goep_subevent_connection_opened_get_bd_addr(packet, pbap_client->bd_addr); 917 if (status){ 918 log_info("pbap: connection failed %u", status); 919 pbap_client->state = PBAP_INIT; 920 pbap_client_emit_connected_event(pbap_client, status); 921 } else { 922 log_info("pbap: connection established"); 923 pbap_client->goep_cid = goep_subevent_connection_opened_get_goep_cid(packet); 924 pbap_client->state = PBAP_W2_SEND_CONNECT_REQUEST; 925 goep_client_request_can_send_now(pbap_client->goep_cid); 926 } 927 break; 928 case GOEP_SUBEVENT_CONNECTION_CLOSED: 929 if (pbap_client->state > PBAP_CONNECTED){ 930 pbap_client_emit_operation_complete_event(pbap_client, OBEX_DISCONNECTED); 931 } 932 pbap_client->state = PBAP_INIT; 933 pbap_client_emit_connection_closed_event(pbap_client); 934 break; 935 case GOEP_SUBEVENT_CAN_SEND_NOW: 936 pbap_handle_can_send_now(); 937 break; 938 default: 939 break; 940 } 941 break; 942 default: 943 break; 944 } 945 } 946 947 static void pbap_packet_handler_goep(uint8_t *packet, uint16_t size){ 948 if (pbap_client->obex_parser_waiting_for_response == false) return; 949 950 obex_parser_object_state_t parser_state; 951 parser_state = obex_parser_process_data(&pbap_client->obex_parser, packet, size); 952 if (parser_state == OBEX_PARSER_OBJECT_STATE_COMPLETE){ 953 pbap_client->obex_parser_waiting_for_response = false; 954 obex_parser_operation_info_t op_info; 955 obex_parser_get_operation_info(&pbap_client->obex_parser, &op_info); 956 switch (pbap_client->state){ 957 case PBAP_W4_CONNECT_RESPONSE: 958 switch (op_info.response_code) { 959 case OBEX_RESP_SUCCESS: 960 pbap_client->state = PBAP_CONNECTED; 961 pbap_client->vcard_selector_supported = pbap_client_supported_features & goep_client_get_pbap_supported_features( pbap_client->goep_cid) & PBAP_SUPPORTED_FEATURES_VCARD_SELECTING; 962 pbap_client_emit_connected_event(pbap_client, ERROR_CODE_SUCCESS); 963 break; 964 case OBEX_RESP_UNAUTHORIZED: 965 pbap_client->state = PBAP_W4_USER_AUTHENTICATION; 966 pbap_client_emit_authentication_event(pbap_client, pbap_client->obex_auth_parser.authentication_options); 967 break; 968 default: 969 log_info("pbap: obex connect failed, result 0x%02x", packet[0]); 970 pbap_client->state = PBAP_INIT; 971 pbap_client_emit_connected_event(pbap_client, OBEX_CONNECT_FAILED); 972 break; 973 } 974 break; 975 case PBAP_W4_DISCONNECT_RESPONSE: 976 goep_client_disconnect(pbap_client->goep_cid); 977 break; 978 case PBAP_W4_SET_PATH_ROOT_COMPLETE: 979 case PBAP_W4_SET_PATH_ELEMENT_COMPLETE: 980 switch (op_info.response_code) { 981 case OBEX_RESP_SUCCESS: 982 // more path? 983 if (pbap_client->current_folder[pbap_client->set_path_offset]) { 984 pbap_client->state = PBAP_W2_SET_PATH_ELEMENT; 985 goep_client_request_can_send_now(pbap_client->goep_cid); 986 } else { 987 pbap_client->current_folder = NULL; 988 pbap_client->state = PBAP_CONNECTED; 989 pbap_client_emit_operation_complete_event(pbap_client, ERROR_CODE_SUCCESS); 990 } 991 break; 992 case OBEX_RESP_NOT_FOUND: 993 pbap_client->state = PBAP_CONNECTED; 994 pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_FOUND); 995 break; 996 default: 997 pbap_client->state = PBAP_CONNECTED; 998 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 999 break; 1000 } 1001 break; 1002 case PBAP_W4_PHONEBOOK: 1003 switch (op_info.response_code) { 1004 case OBEX_RESP_CONTINUE: 1005 pbap_client_handle_srm_headers(pbap_client); 1006 if (pbap_client->srm_state == SRM_ENABLED) { 1007 // prepare response 1008 pbap_client_prepare_get_operation(pbap_client); 1009 break; 1010 } 1011 pbap_client->state = PBAP_W2_PULL_PHONEBOOK; 1012 if (!pbap_client->flow_control_enabled || !pbap_client->flow_wait_for_user || 1013 pbap_client->flow_next_triggered) { 1014 goep_client_request_can_send_now(pbap_client->goep_cid); 1015 } 1016 break; 1017 case OBEX_RESP_SUCCESS: 1018 pbap_client->state = PBAP_CONNECTED; 1019 pbap_client_emit_operation_complete_event(pbap_client, 0); 1020 break; 1021 default: 1022 log_info("unexpected response 0x%02x", packet[0]); 1023 pbap_client->state = PBAP_CONNECTED; 1024 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 1025 break; 1026 } 1027 break; 1028 case PBAP_W4_GET_PHONEBOOK_SIZE_COMPLETE: 1029 switch (op_info.response_code) { 1030 case OBEX_RESP_SUCCESS: 1031 if (pbap_client->phonebook_size_parser.have_size) { 1032 uint16_t phonebook_size = big_endian_read_16(pbap_client->phonebook_size_parser.size_buffer, 0); 1033 pbap_client->state = PBAP_CONNECTED; 1034 pbap_client_emit_phonebook_size_event(pbap_client, 0, phonebook_size); 1035 break; 1036 } 1037 /* fall through */ 1038 default: 1039 pbap_client->state = PBAP_CONNECTED; 1040 pbap_client_emit_phonebook_size_event(pbap_client, OBEX_UNKNOWN_ERROR, 0); 1041 break; 1042 } 1043 break; 1044 case PBAP_W4_GET_CARD_LIST_COMPLETE: 1045 switch (op_info.response_code) { 1046 case OBEX_RESP_CONTINUE: 1047 // handle continue 1048 pbap_client_handle_srm_headers(pbap_client); 1049 if (pbap_client->srm_state == SRM_ENABLED) { 1050 // prepare response 1051 pbap_client_prepare_get_operation(pbap_client); 1052 break; 1053 } 1054 pbap_client->state = PBAP_W2_GET_CARD_LIST; 1055 goep_client_request_can_send_now(pbap_client->goep_cid); 1056 break; 1057 case OBEX_RESP_SUCCESS: 1058 // done 1059 pbap_client->state = PBAP_CONNECTED; 1060 pbap_client_emit_operation_complete_event(pbap_client, ERROR_CODE_SUCCESS); 1061 break; 1062 case OBEX_RESP_NOT_ACCEPTABLE: 1063 pbap_client->state = PBAP_CONNECTED; 1064 pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_ACCEPTABLE); 1065 break; 1066 default: 1067 log_info("unexpected response 0x%02x", packet[0]); 1068 pbap_client->state = PBAP_CONNECTED; 1069 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 1070 break; 1071 } 1072 break; 1073 case PBAP_W4_GET_CARD_ENTRY_COMPLETE: 1074 switch (op_info.response_code) { 1075 case OBEX_RESP_CONTINUE: 1076 pbap_client_handle_srm_headers(pbap_client); 1077 if (pbap_client->srm_state == SRM_ENABLED) { 1078 // prepare response 1079 pbap_client_prepare_get_operation(pbap_client); 1080 break; 1081 } 1082 pbap_client->state = PBAP_W2_GET_CARD_ENTRY; 1083 goep_client_request_can_send_now(pbap_client->goep_cid); 1084 break; 1085 case OBEX_RESP_SUCCESS: 1086 pbap_client->state = PBAP_CONNECTED; 1087 pbap_client_emit_operation_complete_event(pbap_client, 0); 1088 break; 1089 case OBEX_RESP_NOT_ACCEPTABLE: 1090 pbap_client->state = PBAP_CONNECTED; 1091 pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_ACCEPTABLE); 1092 break; 1093 default: 1094 log_info("unexpected response 0x%02x", packet[0]); 1095 pbap_client->state = PBAP_CONNECTED; 1096 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 1097 break; 1098 } 1099 break; 1100 default: 1101 btstack_unreachable(); 1102 break; 1103 } 1104 } 1105 } 1106 1107 static void pbap_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 1108 UNUSED(channel); // ok: there is no channel 1109 UNUSED(size); // ok: handling own geop events 1110 1111 switch (packet_type){ 1112 case HCI_EVENT_PACKET: 1113 pbap_packet_handler_hci(packet, size); 1114 break; 1115 case GOEP_DATA_PACKET: 1116 pbap_packet_handler_goep(packet, size); 1117 break; 1118 default: 1119 break; 1120 } 1121 } 1122 1123 static void pbap_client_reset_state(void) { 1124 pbap_client_supported_features = 1125 PBAP_SUPPORTED_FEATURES_DOWNLOAD | 1126 PBAP_SUPPORTED_FEATURES_BROWSING | 1127 PBAP_SUPPORTED_FEATURES_DATABASE_IDENTIFIER | 1128 PBAP_SUPPORTED_FEATURES_FOLDER_VERSION_COUNTERS | 1129 PBAP_SUPPORTED_FEATURES_VCARD_SELECTING | 1130 PBAP_SUPPORTED_FEATURES_ENHANCED_MISSED_CALLS | 1131 PBAP_SUPPORTED_FEATURES_DEFAULT_CONTACT_IMAGE_FORMAT | 1132 PBAP_SUPPORTED_FEATURES_X_BT_UCI_VCARD_PROPERTY | 1133 PBAP_SUPPORTED_FEATURES_X_BT_UID_VCARD_PROPERTY | 1134 PBAP_SUPPORTED_FEATURES_CONTACT_REFERENCING; 1135 pbap_client->state = PBAP_INIT; 1136 pbap_client->cid = 1; 1137 } 1138 1139 void pbap_client_init(void){ 1140 pbap_client_reset_state(); 1141 } 1142 1143 void pbap_client_deinit(void){ 1144 pbap_client_reset_state(); 1145 memset(pbap_client, 0, sizeof(pbap_client_t)); 1146 } 1147 1148 uint8_t pbap_connect(btstack_packet_handler_t handler, bd_addr_t addr, uint16_t * out_cid){ 1149 if (pbap_client->state != PBAP_INIT){ 1150 return BTSTACK_MEMORY_ALLOC_FAILED; 1151 } 1152 1153 pbap_client->state = PBAP_W4_GOEP_CONNECTION; 1154 pbap_client->client_handler = handler; 1155 pbap_client->vcard_selector = 0; 1156 pbap_client->vcard_selector_operator = PBAP_VCARD_SELECTOR_OPERATOR_OR; 1157 1158 uint8_t err = goep_client_create_connection(&pbap_packet_handler, addr, BLUETOOTH_SERVICE_CLASS_PHONEBOOK_ACCESS_PSE, &pbap_client->goep_cid); 1159 *out_cid = pbap_client->cid; 1160 if (err) return err; 1161 return ERROR_CODE_SUCCESS; 1162 } 1163 1164 uint8_t pbap_disconnect(uint16_t pbap_cid){ 1165 UNUSED(pbap_cid); 1166 if (pbap_client->state < PBAP_CONNECTED){ 1167 return BTSTACK_BUSY; 1168 } 1169 pbap_client->state = PBAP_W2_SEND_DISCONNECT_REQUEST; 1170 goep_client_request_can_send_now(pbap_client->goep_cid); 1171 return ERROR_CODE_SUCCESS; 1172 } 1173 1174 uint8_t pbap_get_phonebook_size(uint16_t pbap_cid, const char * path){ 1175 UNUSED(pbap_cid); 1176 if (pbap_client->state != PBAP_CONNECTED){ 1177 return BTSTACK_BUSY; 1178 } 1179 pbap_client->state = PBAP_W2_GET_PHONEBOOK_SIZE; 1180 pbap_client->phonebook_path = path; 1181 pbap_client->request_number = 0; 1182 goep_client_request_can_send_now(pbap_client->goep_cid); 1183 return ERROR_CODE_SUCCESS; 1184 } 1185 1186 uint8_t pbap_pull_phonebook(uint16_t pbap_cid, const char * path){ 1187 UNUSED(pbap_cid); 1188 if (pbap_client->state != PBAP_CONNECTED){ 1189 return BTSTACK_BUSY; 1190 } 1191 pbap_client->state = PBAP_W2_PULL_PHONEBOOK; 1192 pbap_client->phonebook_path = path; 1193 pbap_client->request_number = 0; 1194 goep_client_request_can_send_now(pbap_client->goep_cid); 1195 return ERROR_CODE_SUCCESS; 1196 } 1197 1198 uint8_t pbap_set_phonebook(uint16_t pbap_cid, const char * path){ 1199 UNUSED(pbap_cid); 1200 if (pbap_client->state != PBAP_CONNECTED){ 1201 return BTSTACK_BUSY; 1202 } 1203 pbap_client->state = PBAP_W2_SET_PATH_ROOT; 1204 pbap_client->current_folder = path; 1205 pbap_client->set_path_offset = 0; 1206 goep_client_request_can_send_now(pbap_client->goep_cid); 1207 return ERROR_CODE_SUCCESS; 1208 } 1209 1210 uint8_t pbap_authentication_password(uint16_t pbap_cid, const char * password){ 1211 UNUSED(pbap_cid); 1212 if (pbap_client->state != PBAP_W4_USER_AUTHENTICATION){ 1213 return BTSTACK_BUSY; 1214 } 1215 pbap_client->state = PBAP_W2_SEND_AUTHENTICATED_CONNECT; 1216 pbap_client->authentication_password = password; 1217 goep_client_request_can_send_now(pbap_client->goep_cid); 1218 return ERROR_CODE_SUCCESS; 1219 } 1220 1221 uint8_t pbap_pull_vcard_listing(uint16_t pbap_cid, const char * path){ 1222 UNUSED(pbap_cid); 1223 if (pbap_client->state != PBAP_CONNECTED){ 1224 return BTSTACK_BUSY; 1225 } 1226 pbap_client->state = PBAP_W2_GET_CARD_LIST; 1227 pbap_client->phonebook_path = path; 1228 pbap_client->phone_number = NULL; 1229 pbap_client->request_number = 0; 1230 pbap_client_vcard_listing_init_parser(pbap_client); 1231 goep_client_request_can_send_now(pbap_client->goep_cid); 1232 return ERROR_CODE_SUCCESS; 1233 } 1234 1235 uint8_t pbap_pull_vcard_entry(uint16_t pbap_cid, const char * path){ 1236 UNUSED(pbap_cid); 1237 if (pbap_client->state != PBAP_CONNECTED){ 1238 return BTSTACK_BUSY; 1239 } 1240 pbap_client->state = PBAP_W2_GET_CARD_ENTRY; 1241 // pbap_client->phonebook_path = NULL; 1242 // pbap_client->phone_number = NULL; 1243 pbap_client->vcard_name = path; 1244 pbap_client->request_number = 0; 1245 goep_client_request_can_send_now(pbap_client->goep_cid); 1246 return ERROR_CODE_SUCCESS; 1247 } 1248 1249 uint8_t pbap_lookup_by_number(uint16_t pbap_cid, const char * phone_number){ 1250 UNUSED(pbap_cid); 1251 if (pbap_client->state != PBAP_CONNECTED){ 1252 return BTSTACK_BUSY; 1253 } 1254 pbap_client->state = PBAP_W2_GET_CARD_LIST; 1255 pbap_client->phonebook_path = pbap_vcard_listing_name; 1256 pbap_client->phone_number = phone_number; 1257 pbap_client->request_number = 0; 1258 pbap_client_vcard_listing_init_parser(pbap_client); 1259 goep_client_request_can_send_now(pbap_client->goep_cid); 1260 return ERROR_CODE_SUCCESS; 1261 } 1262 1263 uint8_t pbap_abort(uint16_t pbap_cid){ 1264 UNUSED(pbap_cid); 1265 if (pbap_client->state < PBAP_CONNECTED){ 1266 return BTSTACK_BUSY; 1267 } 1268 log_info("abort current operation, state 0x%02x", pbap_client->state); 1269 pbap_client->abort_operation = 1; 1270 return ERROR_CODE_SUCCESS; 1271 } 1272 1273 uint8_t pbap_next_packet(uint16_t pbap_cid){ 1274 // log_info("pbap_next_packet, state %x", pbap_client->state); 1275 UNUSED(pbap_cid); 1276 if (!pbap_client->flow_control_enabled){ 1277 return ERROR_CODE_SUCCESS; 1278 } 1279 switch (pbap_client->state){ 1280 case PBAP_W2_PULL_PHONEBOOK: 1281 goep_client_request_can_send_now(pbap_client->goep_cid); 1282 break; 1283 case PBAP_W4_PHONEBOOK: 1284 pbap_client->flow_next_triggered = 1; 1285 break; 1286 default: 1287 break; 1288 } 1289 return ERROR_CODE_SUCCESS; 1290 } 1291 1292 uint8_t pbap_set_flow_control_mode(uint16_t pbap_cid, int enable){ 1293 UNUSED(pbap_cid); 1294 if (pbap_client->state != PBAP_CONNECTED){ 1295 return BTSTACK_BUSY; 1296 } 1297 pbap_client->flow_control_enabled = enable; 1298 return ERROR_CODE_SUCCESS; 1299 } 1300 1301 uint8_t pbap_set_vcard_selector(uint16_t pbap_cid, uint32_t vcard_selector){ 1302 UNUSED(pbap_cid); 1303 if (pbap_client->state != PBAP_CONNECTED){ 1304 return BTSTACK_BUSY; 1305 } 1306 pbap_client->vcard_selector = vcard_selector; 1307 return ERROR_CODE_SUCCESS; 1308 } 1309 1310 uint8_t pbap_set_vcard_selector_operator(uint16_t pbap_cid, int vcard_selector_operator){ 1311 UNUSED(pbap_cid); 1312 if (pbap_client->state != PBAP_CONNECTED){ 1313 return BTSTACK_BUSY; 1314 } 1315 pbap_client->vcard_selector_operator = vcard_selector_operator; 1316 return ERROR_CODE_SUCCESS; 1317 } 1318 1319 uint8_t pbap_set_property_selector(uint16_t pbap_cid, uint32_t property_selector){ 1320 UNUSED(pbap_cid); 1321 if (pbap_client->state != PBAP_CONNECTED){ 1322 return BTSTACK_BUSY; 1323 } 1324 pbap_client->property_selector = property_selector; 1325 return ERROR_CODE_SUCCESS; 1326 } 1327