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_INIT = 0, 75 PBAP_W4_GOEP_CONNECTION, 76 PBAP_W2_SEND_CONNECT_REQUEST, 77 PBAP_W4_CONNECT_RESPONSE, 78 PBAP_W4_USER_AUTHENTICATION, 79 PBAP_W2_SEND_AUTHENTICATED_CONNECT, 80 PBAP_CONNECT_RESPONSE_RECEIVED, 81 PBAP_CONNECTED, 82 // 83 PBAP_W2_SEND_DISCONNECT_REQUEST, 84 PBAP_W4_DISCONNECT_RESPONSE, 85 // 86 PBAP_W2_PULL_PHONEBOOK, 87 PBAP_W4_PHONEBOOK, 88 PBAP_W2_SET_PATH_ROOT, 89 PBAP_W4_SET_PATH_ROOT_COMPLETE, 90 PBAP_W2_SET_PATH_ELEMENT, 91 PBAP_W4_SET_PATH_ELEMENT_COMPLETE, 92 PBAP_W2_GET_PHONEBOOK_SIZE, 93 PBAP_W4_GET_PHONEBOOK_SIZE_COMPLETE, 94 // - pull vacard liast 95 PBAP_W2_GET_CARD_LIST, 96 PBAP_W4_GET_CARD_LIST_COMPLETE, 97 // - pull vcard entry 98 PBAP_W2_GET_CARD_ENTRY, 99 PBAP_W4_GET_CARD_ENTRY_COMPLETE, 100 // abort operation 101 PBAP_W4_ABORT_COMPLETE, 102 103 } pbap_state_t; 104 105 typedef enum { 106 SRM_DISABLED, 107 SRM_W4_CONFIRM, 108 SRM_ENABLED_BUT_WAITING, 109 SRM_ENABLED 110 } srm_state_t; 111 112 typedef enum { 113 OBEX_AUTH_PARSER_STATE_W4_TYPE = 0, 114 OBEX_AUTH_PARSER_STATE_W4_LEN, 115 OBEX_AUTH_PARSER_STATE_W4_VALUE, 116 OBEX_AUTH_PARSER_STATE_INVALID, 117 } obex_auth_parser_state_t; 118 119 typedef struct { 120 // parsing 121 obex_auth_parser_state_t state; 122 uint8_t type; 123 uint8_t len; 124 uint8_t pos; 125 // data 126 uint8_t authentication_options; 127 uint16_t authentication_nonce[16]; 128 } obex_auth_parser_t; 129 130 typedef struct { 131 uint8_t srm_value; 132 uint8_t srmp_value; 133 } obex_srm_t; 134 135 typedef enum { 136 PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_TYPE = 0, 137 PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_LEN, 138 PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_VALUE, 139 PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_INVALID, 140 } pbap_client_phonebook_size_parser_state_t; 141 142 typedef struct { 143 // parsing 144 pbap_client_phonebook_size_parser_state_t state; 145 uint8_t type; 146 uint8_t len; 147 uint8_t pos; 148 // data 149 bool have_size; 150 uint8_t size_buffer[2]; 151 } pbap_client_phonebook_size_parser_t; 152 153 typedef struct pbap_client { 154 pbap_state_t state; 155 uint16_t cid; 156 bd_addr_t bd_addr; 157 hci_con_handle_t con_handle; 158 uint8_t incoming; 159 uint16_t goep_cid; 160 btstack_packet_handler_t client_handler; 161 int request_number; 162 const char * current_folder; 163 const char * phone_number; 164 const char * phonebook_path; 165 const char * vcard_name; 166 uint16_t set_path_offset; 167 /* vcard selector / operator */ 168 uint32_t vcard_selector; 169 uint8_t vcard_selector_operator; 170 uint8_t vcard_selector_supported; 171 /* property selector */ 172 uint32_t property_selector; 173 /* abort */ 174 uint8_t abort_operation; 175 /* obex parser */ 176 bool obex_parser_waiting_for_response; 177 obex_parser_t obex_parser; 178 uint8_t obex_header_buffer[4]; 179 /* authentication */ 180 obex_auth_parser_t obex_auth_parser; 181 const char * authentication_password; 182 /* xml parser */ 183 yxml_t xml_parser; 184 uint8_t xml_buffer[50]; 185 /* vcard listing parser */ 186 bool parser_card_found; 187 bool parser_name_found; 188 bool parser_handle_found; 189 char parser_name[PBAP_MAX_NAME_LEN]; 190 char parser_handle[PBAP_MAX_HANDLE_LEN]; 191 /* phonebook size */ 192 pbap_client_phonebook_size_parser_t phonebook_size_parser; 193 /* flow control mode */ 194 uint8_t flow_control_enabled; 195 uint8_t flow_next_triggered; 196 bool flow_wait_for_user; 197 /* srm */ 198 obex_srm_t obex_srm; 199 srm_state_t srm_state; 200 } pbap_client_t; 201 202 static uint32_t pbap_client_supported_features; 203 204 static pbap_client_t pbap_client_singleton; 205 static pbap_client_t * pbap_client = &pbap_client_singleton; 206 207 static void pbap_client_emit_connected_event(pbap_client_t * context, uint8_t status){ 208 uint8_t event[15]; 209 int pos = 0; 210 event[pos++] = HCI_EVENT_PBAP_META; 211 pos++; // skip len 212 event[pos++] = PBAP_SUBEVENT_CONNECTION_OPENED; 213 little_endian_store_16(event,pos,context->cid); 214 pos+=2; 215 event[pos++] = status; 216 (void)memcpy(&event[pos], context->bd_addr, 6); 217 pos += 6; 218 little_endian_store_16(event,pos,context->con_handle); 219 pos += 2; 220 event[pos++] = context->incoming; 221 event[1] = pos - 2; 222 if (pos != sizeof(event)) log_error("goep_client_emit_connected_event size %u", pos); 223 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 224 } 225 226 static void pbap_client_emit_connection_closed_event(pbap_client_t * context){ 227 uint8_t event[5]; 228 int pos = 0; 229 event[pos++] = HCI_EVENT_PBAP_META; 230 pos++; // skip len 231 event[pos++] = PBAP_SUBEVENT_CONNECTION_CLOSED; 232 little_endian_store_16(event,pos,context->cid); 233 pos+=2; 234 event[1] = pos - 2; 235 if (pos != sizeof(event)) log_error("pbap_client_emit_connection_closed_event size %u", pos); 236 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 237 } 238 239 static void pbap_client_emit_operation_complete_event(pbap_client_t * context, uint8_t status){ 240 uint8_t event[6]; 241 int pos = 0; 242 event[pos++] = HCI_EVENT_PBAP_META; 243 pos++; // skip len 244 event[pos++] = PBAP_SUBEVENT_OPERATION_COMPLETED; 245 little_endian_store_16(event,pos,context->cid); 246 pos+=2; 247 event[pos++]= status; 248 event[1] = pos - 2; 249 if (pos != sizeof(event)) log_error("pbap_client_emit_can_send_now_event size %u", pos); 250 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 251 } 252 253 static void pbap_client_emit_phonebook_size_event(pbap_client_t * context, uint8_t status, uint16_t phonebook_size){ 254 uint8_t event[8]; 255 int pos = 0; 256 event[pos++] = HCI_EVENT_PBAP_META; 257 pos++; // skip len 258 event[pos++] = PBAP_SUBEVENT_PHONEBOOK_SIZE; 259 little_endian_store_16(event,pos,context->cid); 260 pos+=2; 261 event[pos++] = status; 262 little_endian_store_16(event,pos, phonebook_size); 263 pos+=2; 264 event[1] = pos - 2; 265 if (pos != sizeof(event)) log_error("pbap_client_emit_phonebook_size_event size %u", pos); 266 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 267 } 268 269 static void pbap_client_emit_authentication_event(pbap_client_t * context, uint8_t options){ 270 // split options 271 uint8_t user_id_required = (options & 1) ? 1 : 0; 272 uint8_t full_access = (options & 2) ? 1 : 0; 273 274 uint8_t event[7]; 275 int pos = 0; 276 event[pos++] = HCI_EVENT_PBAP_META; 277 pos++; // skip len 278 event[pos++] = PBAP_SUBEVENT_AUTHENTICATION_REQUEST; 279 little_endian_store_16(event,pos,context->cid); 280 pos+=2; 281 event[pos++] = user_id_required; 282 event[pos++] = full_access; 283 if (pos != sizeof(event)) log_error("pbap_client_emit_authentication_event size %u", pos); 284 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 285 } 286 287 static void pbap_client_emit_card_result_event(pbap_client_t * context, const char * name, const char * handle){ 288 uint8_t event[5 + PBAP_MAX_NAME_LEN + PBAP_MAX_HANDLE_LEN]; 289 int pos = 0; 290 event[pos++] = HCI_EVENT_PBAP_META; 291 pos++; // skip len 292 event[pos++] = PBAP_SUBEVENT_CARD_RESULT; 293 little_endian_store_16(event,pos,context->cid); 294 pos+=2; 295 int name_len = btstack_min(PBAP_MAX_NAME_LEN, (uint16_t) strlen(name)); 296 event[pos++] = name_len; 297 (void)memcpy(&event[pos], name, name_len); 298 pos += name_len; 299 int handle_len = btstack_min(PBAP_MAX_HANDLE_LEN, (uint16_t) strlen(handle)); 300 event[pos++] = handle_len; 301 (void)memcpy(&event[pos], handle, handle_len); 302 pos += handle_len; 303 event[1] = pos - 2; 304 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 305 } 306 307 static const uint8_t collon = (uint8_t) ':'; 308 309 static void pbap_client_vcard_listing_init_parser(pbap_client_t * client){ 310 yxml_init(&client->xml_parser, client->xml_buffer, sizeof(client->xml_buffer)); 311 client->parser_card_found = false; 312 client->parser_name_found = false; 313 client->parser_handle_found = false; 314 } 315 316 static void pbap_client_phonebook_size_parser_init(pbap_client_phonebook_size_parser_t * phonebook_size_parer){ 317 memset(phonebook_size_parer, 0, sizeof(pbap_client_phonebook_size_parser_t)); 318 } 319 320 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){ 321 while (data_len){ 322 uint16_t bytes_to_consume = 1; 323 switch(phonebook_size_parser->state){ 324 case PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_INVALID: 325 return; 326 case PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_TYPE: 327 phonebook_size_parser->type = *data_buffer; 328 phonebook_size_parser->state = PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_LEN; 329 break; 330 case PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_LEN: 331 phonebook_size_parser->len = *data_buffer; 332 phonebook_size_parser->state = PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_VALUE; 333 switch (phonebook_size_parser->type){ 334 case PBAP_APPLICATION_PARAMETER_PHONEBOOK_SIZE: 335 if (phonebook_size_parser->len != 2){ 336 phonebook_size_parser->state = PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_INVALID; 337 return; 338 } 339 break; 340 default: 341 break; 342 } 343 break; 344 case PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_VALUE: 345 bytes_to_consume = btstack_min(phonebook_size_parser->len - phonebook_size_parser->pos, data_len); 346 switch (phonebook_size_parser->type){ 347 case PBAP_APPLICATION_PARAMETER_PHONEBOOK_SIZE: 348 memcpy(&phonebook_size_parser->size_buffer[phonebook_size_parser->pos], data_buffer, bytes_to_consume); 349 break; 350 default: 351 // ignore data 352 break; 353 } 354 phonebook_size_parser->pos += bytes_to_consume; 355 if (phonebook_size_parser->pos == phonebook_size_parser->len){ 356 phonebook_size_parser->state = PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_TYPE; 357 switch (phonebook_size_parser->type){ 358 case PBAP_APPLICATION_PARAMETER_PHONEBOOK_SIZE: 359 phonebook_size_parser->have_size = true; 360 break; 361 default: 362 break; 363 } 364 } 365 break; 366 default: 367 break; 368 } 369 data_buffer += bytes_to_consume; 370 data_len -= bytes_to_consume; 371 } 372 } 373 374 static void obex_auth_parser_init(obex_auth_parser_t * auth_parser){ 375 memset(auth_parser, 0, sizeof(obex_auth_parser_t)); 376 } 377 378 static void obex_auth_parser_process_data(obex_auth_parser_t * auth_parser, const uint8_t * data_buffer, uint16_t data_len){ 379 while (data_len){ 380 uint16_t bytes_to_consume = 1; 381 switch(auth_parser->state){ 382 case OBEX_AUTH_PARSER_STATE_INVALID: 383 return; 384 case OBEX_AUTH_PARSER_STATE_W4_TYPE: 385 auth_parser->type = *data_buffer; 386 auth_parser->state = OBEX_AUTH_PARSER_STATE_W4_LEN; 387 break; 388 case OBEX_AUTH_PARSER_STATE_W4_LEN: 389 auth_parser->len = *data_buffer; 390 switch (auth_parser->type){ 391 case 0: 392 if (auth_parser->len != 0x10){ 393 auth_parser->state = OBEX_AUTH_PARSER_STATE_INVALID; 394 return; 395 } 396 break; 397 case 1: 398 if (auth_parser->len != 0x01){ 399 auth_parser->state = OBEX_AUTH_PARSER_STATE_INVALID; 400 return; 401 } 402 break; 403 case 2: 404 // TODO: handle charset 405 // charset_code = challenge_data[i]; 406 break; 407 default: 408 break; 409 } 410 auth_parser->state = OBEX_AUTH_PARSER_STATE_W4_VALUE; 411 break; 412 case OBEX_AUTH_PARSER_STATE_W4_VALUE: 413 bytes_to_consume = btstack_min(auth_parser->len - auth_parser->pos, data_len); 414 switch (auth_parser->type){ 415 case 0: 416 memcpy(&auth_parser->authentication_nonce[auth_parser->pos], data_buffer, bytes_to_consume); 417 break; 418 case 1: 419 auth_parser->authentication_options = *data_buffer; 420 break; 421 default: 422 // ignore 423 break; 424 } 425 auth_parser->pos += bytes_to_consume; 426 if (auth_parser->pos == auth_parser->len){ 427 auth_parser->state = OBEX_AUTH_PARSER_STATE_W4_TYPE; 428 } 429 break; 430 default: 431 btstack_unreachable(); 432 break; 433 } 434 data_buffer += bytes_to_consume; 435 data_len -= bytes_to_consume; 436 } 437 } 438 439 static void obex_srm_init(obex_srm_t * obex_srm){ 440 obex_srm->srm_value = OBEX_SRM_DISABLE; 441 obex_srm->srmp_value = OBEX_SRMP_NEXT; 442 } 443 static void pbap_client_yml_append_character(yxml_t * xml_parser, char * buffer, uint16_t buffer_size){ 444 // "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." 445 uint16_t char_len = (uint16_t) strlen(xml_parser->data); 446 btstack_assert(char_len <= 4); 447 uint16_t dest_len = (uint16_t) strlen(buffer); 448 uint16_t zero_pos = dest_len + char_len; 449 if (zero_pos >= buffer_size) return; 450 memcpy(&buffer[dest_len], xml_parser->data, char_len); 451 buffer[zero_pos] = '\0'; 452 } 453 454 static void pbap_client_process_vcard_list_body(const uint8_t * data, uint16_t data_len){ 455 while (data_len--) { 456 yxml_ret_t r = yxml_parse(&pbap_client->xml_parser, *data++); 457 switch (r) { 458 case YXML_ELEMSTART: 459 pbap_client->parser_card_found = strcmp("card", pbap_client->xml_parser.elem) == 0; 460 break; 461 case YXML_ELEMEND: 462 if (pbap_client->parser_card_found) { 463 pbap_client_emit_card_result_event(pbap_client, pbap_client->parser_name, 464 pbap_client->parser_handle); 465 } 466 pbap_client->parser_card_found = false; 467 break; 468 case YXML_ATTRSTART: 469 if (!pbap_client->parser_card_found) break; 470 if (strcmp("name", pbap_client->xml_parser.attr) == 0) { 471 pbap_client->parser_name_found = true; 472 pbap_client->parser_name[0] = 0; 473 break; 474 } 475 if (strcmp("handle", pbap_client->xml_parser.attr) == 0) { 476 pbap_client->parser_handle_found = true; 477 pbap_client->parser_handle[0] = 0; 478 break; 479 } 480 break; 481 case YXML_ATTRVAL: 482 if (pbap_client->parser_name_found) { 483 pbap_client_yml_append_character(&pbap_client->xml_parser, 484 pbap_client->parser_name, 485 sizeof(pbap_client->parser_name)); 486 break; 487 } 488 if (pbap_client->parser_handle_found) { 489 pbap_client_yml_append_character(&pbap_client->xml_parser, 490 pbap_client->parser_handle, 491 sizeof(pbap_client->parser_handle)); 492 break; 493 } 494 break; 495 case YXML_ATTREND: 496 pbap_client->parser_name_found = false; 497 pbap_client->parser_handle_found = false; 498 break; 499 default: 500 break; 501 } 502 } 503 } 504 505 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){ 506 pbap_client_t * client = (pbap_client_t *) user_data; 507 switch (header_id){ 508 case OBEX_HEADER_CONNECTION_ID: 509 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){ 510 goep_client_set_connection_id(client->goep_cid, big_endian_read_32(client->obex_header_buffer, 0)); 511 } 512 break; 513 case OBEX_HEADER_AUTHENTICATION_CHALLENGE: 514 obex_auth_parser_process_data(&client->obex_auth_parser, data_buffer, data_len); 515 break; 516 default: 517 break; 518 } 519 } 520 521 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){ 522 UNUSED(total_len); 523 UNUSED(data_offset); 524 pbap_client_t *client = (pbap_client_t *) user_data; 525 switch (header_id) { 526 case OBEX_HEADER_APPLICATION_PARAMETERS: 527 pbap_client_phoneboook_size_parser_process_data(&client->phonebook_size_parser, data_buffer, data_len); 528 break; 529 default: 530 break; 531 } 532 } 533 534 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){ 535 pbap_client_t *client = (pbap_client_t *) user_data; 536 switch (header_id) { 537 case OBEX_HEADER_SINGLE_RESPONSE_MODE: 538 obex_parser_header_store(&client->obex_srm.srm_value, 1, total_len, data_offset, data_buffer, data_len); 539 break; 540 case OBEX_HEADER_SINGLE_RESPONSE_MODE_PARAMETER: 541 obex_parser_header_store(&client->obex_srm.srmp_value, 1, total_len, data_offset, data_buffer, data_len); 542 break; 543 case OBEX_HEADER_BODY: 544 case OBEX_HEADER_END_OF_BODY: 545 switch(pbap_client->state){ 546 case PBAP_W4_PHONEBOOK: 547 case PBAP_W4_GET_CARD_ENTRY_COMPLETE: 548 client->client_handler(PBAP_DATA_PACKET, client->cid, (uint8_t *) data_buffer, data_len); 549 if (data_offset + data_len == total_len){ 550 client->flow_wait_for_user = true; 551 } 552 break; 553 case PBAP_W4_GET_CARD_LIST_COMPLETE: 554 pbap_client_process_vcard_list_body(data_buffer, data_len); 555 break; 556 default: 557 btstack_unreachable(); 558 break; 559 } 560 break; 561 default: 562 // ignore other headers 563 break; 564 } 565 } 566 567 static uint16_t pbap_client_application_params_add_vcard_selector(const pbap_client_t * client, uint8_t * application_parameters){ 568 uint16_t pos = 0; 569 if (client->vcard_selector_supported){ 570 // vCard Selector 571 if (pbap_client->vcard_selector){ 572 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_VCARD_SELECTOR; 573 application_parameters[pos++] = 8; 574 memset(&application_parameters[pos], 0, 4); 575 pos += 4; 576 big_endian_store_32(application_parameters, pos, client->vcard_selector); 577 pos += 4; 578 } 579 // vCard Selector Operator 580 if (client->vcard_selector_operator != PBAP_VCARD_SELECTOR_OPERATOR_OR){ 581 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_VCARD_SELECTOR_OPERATOR; 582 application_parameters[pos++] = 1; 583 application_parameters[pos++] = client->vcard_selector_operator; 584 } 585 } 586 return pos; 587 } 588 589 static uint16_t pbap_client_application_params_add_max_list_count(const pbap_client_t * client, uint8_t * application_parameters, uint16_t max_count){ 590 UNUSED(client); 591 uint16_t pos = 0; 592 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_MAX_LIST_COUNT; 593 application_parameters[pos++] = 2; 594 big_endian_store_16(application_parameters, 2, max_count); 595 pos += 2; 596 return pos; 597 } 598 599 // max size: PBAP_MAX_PHONE_NUMBER_LEN + 5 600 static uint16_t pbap_client_application_params_add_phone_number(const pbap_client_t * client, uint8_t * application_parameters){ 601 uint16_t pos = 0; 602 if (client->phone_number){ 603 // Search by phone number 604 uint16_t phone_number_len = btstack_min(PBAP_MAX_PHONE_NUMBER_LEN, (uint16_t) strlen(client->phone_number)); 605 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_SEARCH_VALUE; 606 btstack_assert(phone_number_len <= 255); 607 application_parameters[pos++] = (uint8_t) phone_number_len; 608 (void)memcpy(&application_parameters[pos], 609 pbap_client->phone_number, phone_number_len); 610 pos += phone_number_len; 611 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_SEARCH_PROPERTY; 612 application_parameters[pos++] = 1; 613 application_parameters[pos++] = 0x01; // Number 614 } 615 return pos; 616 } 617 618 static uint16_t pbap_client_application_params_add_property_selector(const pbap_client_t * client, uint8_t * application_parameters){ 619 // TODO: support format 620 uint16_t pos = 0; 621 uint32_t property_selector_lower = client->property_selector; 622 if (strncmp(pbap_client->vcard_name, "X-BT-UID:", 9) == 0) { 623 property_selector_lower |= 1U << 31; 624 } 625 if (strncmp(pbap_client->vcard_name, "X-BT-UCI:", 9) == 0) { 626 property_selector_lower |= 1U << 30; 627 } 628 if (property_selector_lower != 0){ 629 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_PROPERTY_SELECTOR; 630 application_parameters[pos++] = 8; 631 big_endian_store_32(application_parameters, pos, 0); // upper 32-bits are reserved/unused so far 632 pos += 4; 633 big_endian_store_32(application_parameters, pos, property_selector_lower); 634 pos += 4; 635 } 636 return pos; 637 } 638 639 // Mandatory if the PSE advertises a PbapSupportedFeatures attribute in its SDP record, else excluded. 640 static uint16_t pbap_client_application_parameters_add_supported_features(const pbap_client_t * client, uint8_t *application_parameters) { 641 uint16_t pos = 0; 642 if (goep_client_get_pbap_supported_features(client->goep_cid) != PBAP_FEATURES_NOT_PRESENT){ 643 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_PBAP_SUPPORTED_FEATURES; 644 application_parameters[pos++] = 4; 645 big_endian_store_32(application_parameters, 2, pbap_client_supported_features); 646 pos += 4; 647 } 648 return pos; 649 } 650 651 static void pbap_client_add_application_parameters(const pbap_client_t * client, uint8_t * application_parameters, uint16_t len){ 652 if (len > 0){ 653 goep_client_header_add_application_parameters(client->goep_cid, &application_parameters[0], len); 654 } 655 } 656 657 static void pbap_client_prepare_srm_header(const pbap_client_t * client){ 658 if (!client->flow_control_enabled && goep_client_version_20_or_higher(client->goep_cid)){ 659 goep_client_header_add_srm_enable(client->goep_cid); 660 pbap_client->srm_state = SRM_W4_CONFIRM; 661 } 662 } 663 664 static void pbap_client_prepare_get_operation(pbap_client_t * client){ 665 obex_parser_init_for_response(&client->obex_parser, OBEX_OPCODE_GET, pbap_client_parser_callback_get_operation, pbap_client); 666 obex_srm_init(&client->obex_srm); 667 client->obex_parser_waiting_for_response = true; 668 } 669 670 static void pbap_handle_can_send_now(void){ 671 uint16_t path_element_start; 672 uint16_t path_element_len; 673 const char * path_element; 674 uint8_t application_parameters[PBAP_MAX_PHONE_NUMBER_LEN + 10]; 675 uint8_t challenge_response[36]; 676 uint16_t pos; 677 678 MD5_CTX md5_ctx; 679 680 if (pbap_client->abort_operation){ 681 pbap_client->abort_operation = 0; 682 // prepare request 683 goep_client_request_create_abort(pbap_client->goep_cid); 684 // state 685 pbap_client->state = PBAP_W4_ABORT_COMPLETE; 686 // prepare response 687 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_ABORT, NULL, pbap_client); 688 obex_srm_init(&pbap_client->obex_srm); 689 pbap_client->obex_parser_waiting_for_response = true; 690 // send packet 691 goep_client_execute(pbap_client->goep_cid); 692 return; 693 } 694 695 switch (pbap_client->state){ 696 case PBAP_W2_SEND_CONNECT_REQUEST: 697 // prepare request 698 goep_client_request_create_connect(pbap_client->goep_cid, OBEX_VERSION, 0, OBEX_MAX_PACKETLEN_DEFAULT); 699 goep_client_header_add_target(pbap_client->goep_cid, pbap_uuid, 16); 700 pos = 0; 701 pos += pbap_client_application_parameters_add_supported_features(pbap_client, &application_parameters[pos]); 702 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 703 // state 704 pbap_client->state = PBAP_W4_CONNECT_RESPONSE; 705 // prepare response 706 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_CONNECT, pbap_client_parser_callback_connect, pbap_client); 707 obex_auth_parser_init(&pbap_client->obex_auth_parser); 708 obex_srm_init(&pbap_client->obex_srm); 709 pbap_client->obex_parser_waiting_for_response = true; 710 // send packet 711 goep_client_execute(pbap_client->goep_cid); 712 break; 713 case PBAP_W2_SEND_AUTHENTICATED_CONNECT: 714 // prepare request 715 goep_client_request_create_connect(pbap_client->goep_cid, OBEX_VERSION, 0, OBEX_MAX_PACKETLEN_DEFAULT); 716 goep_client_header_add_target(pbap_client->goep_cid, pbap_uuid, 16); 717 // setup authentication challenge response 718 pos = 0; 719 challenge_response[pos++] = 0; // Tag Digest 720 challenge_response[pos++] = 16; // Len 721 // calculate md5 722 MD5_Init(&md5_ctx); 723 MD5_Update(&md5_ctx, pbap_client->obex_auth_parser.authentication_nonce, 16); 724 MD5_Update(&md5_ctx, &collon, 1); 725 MD5_Update(&md5_ctx, pbap_client->authentication_password, (uint16_t) strlen(pbap_client->authentication_password)); 726 MD5_Final(&challenge_response[pos], &md5_ctx); 727 pos += 16; 728 challenge_response[pos++] = 2; // Tag Nonce 729 challenge_response[pos++] = 16; // Len 730 (void)memcpy(&challenge_response[pos], pbap_client->obex_auth_parser.authentication_nonce, 16); 731 pos += 16; 732 goep_client_header_add_challenge_response(pbap_client->goep_cid, challenge_response, pos); 733 // state 734 pbap_client->state = PBAP_W4_CONNECT_RESPONSE; 735 // prepare response 736 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_CONNECT, pbap_client_parser_callback_connect, pbap_client); 737 obex_srm_init(&pbap_client->obex_srm); 738 pbap_client->obex_parser_waiting_for_response = true; 739 // send packet 740 goep_client_execute(pbap_client->goep_cid); 741 break; 742 case PBAP_W2_SEND_DISCONNECT_REQUEST: 743 // prepare request 744 goep_client_request_create_disconnect(pbap_client->goep_cid); 745 // state 746 pbap_client->state = PBAP_W4_DISCONNECT_RESPONSE; 747 // prepare response 748 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_DISCONNECT, NULL, pbap_client); 749 obex_srm_init(&pbap_client->obex_srm); 750 pbap_client->obex_parser_waiting_for_response = true; 751 // send packet 752 goep_client_execute(pbap_client->goep_cid); 753 return; 754 case PBAP_W2_GET_PHONEBOOK_SIZE: 755 // prepare request 756 goep_client_request_create_get(pbap_client->goep_cid); 757 pbap_client_prepare_srm_header(pbap_client); 758 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->phonebook_path); 759 goep_client_header_add_type(pbap_client->goep_cid, pbap_phonebook_type); 760 761 pos = 0; 762 pos += pbap_client_application_params_add_vcard_selector(pbap_client, &application_parameters[pos]); 763 pos += pbap_client_application_params_add_max_list_count(pbap_client, &application_parameters[pos], 0); // just get size 764 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 765 766 // state 767 pbap_client->state = PBAP_W4_GET_PHONEBOOK_SIZE_COMPLETE; 768 // prepare response 769 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_GET, pbap_client_parser_callback_get_phonebook_size, pbap_client); 770 obex_srm_init(&pbap_client->obex_srm); 771 pbap_client_phonebook_size_parser_init(&pbap_client->phonebook_size_parser); 772 pbap_client->obex_parser_waiting_for_response = true; 773 // send packet 774 goep_client_execute(pbap_client->goep_cid); 775 break; 776 case PBAP_W2_PULL_PHONEBOOK: 777 // prepare request 778 goep_client_request_create_get(pbap_client->goep_cid); 779 if (pbap_client->request_number == 0){ 780 pbap_client_prepare_srm_header(pbap_client); 781 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->phonebook_path); 782 goep_client_header_add_type(pbap_client->goep_cid, pbap_phonebook_type); 783 784 pos = 0; 785 pos += pbap_client_application_params_add_vcard_selector(pbap_client, &application_parameters[pos]); 786 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 787 } 788 // state 789 pbap_client->state = PBAP_W4_PHONEBOOK; 790 pbap_client->flow_next_triggered = 0; 791 pbap_client->flow_wait_for_user = 0; 792 // prepare response 793 pbap_client_prepare_get_operation(pbap_client); 794 // send packet 795 pbap_client->request_number++; 796 goep_client_execute(pbap_client->goep_cid); 797 break; 798 case PBAP_W2_GET_CARD_LIST: 799 // prepare request 800 goep_client_request_create_get(pbap_client->goep_cid); 801 if (pbap_client->request_number == 0){ 802 pbap_client_prepare_srm_header(pbap_client); 803 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->phonebook_path); 804 goep_client_header_add_type(pbap_client->goep_cid, pbap_vcard_listing_type); 805 806 pos = 0; 807 pos += pbap_client_application_params_add_vcard_selector(pbap_client, &application_parameters[pos]); 808 pos += pbap_client_application_params_add_phone_number(pbap_client, &application_parameters[pos]); 809 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 810 } 811 // state 812 pbap_client->state = PBAP_W4_GET_CARD_LIST_COMPLETE; 813 // prepare response 814 pbap_client_prepare_get_operation(pbap_client); 815 // send packet 816 pbap_client->request_number++; 817 goep_client_execute(pbap_client->goep_cid); 818 break; 819 case PBAP_W2_GET_CARD_ENTRY: 820 // prepare request 821 goep_client_request_create_get(pbap_client->goep_cid); 822 if (pbap_client->request_number == 0){ 823 pbap_client_prepare_srm_header(pbap_client); 824 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->vcard_name); 825 goep_client_header_add_type(pbap_client->goep_cid, pbap_vcard_entry_type); 826 827 pos = 0; 828 pos += pbap_client_application_params_add_property_selector(pbap_client, &application_parameters[pos]); 829 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 830 } 831 // state 832 pbap_client->state = PBAP_W4_GET_CARD_ENTRY_COMPLETE; 833 // prepare response 834 pbap_client_prepare_get_operation(pbap_client); 835 // send packet 836 pbap_client->request_number++; 837 goep_client_execute(pbap_client->goep_cid); 838 break; 839 case PBAP_W2_SET_PATH_ROOT: 840 // prepare request 841 goep_client_request_create_set_path(pbap_client->goep_cid, 1 << 1); // Don’t create directory 842 goep_client_header_add_name(pbap_client->goep_cid, ""); 843 // state 844 pbap_client->state = PBAP_W4_SET_PATH_ROOT_COMPLETE; 845 // prepare response 846 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_SETPATH, NULL, pbap_client); 847 obex_srm_init(&pbap_client->obex_srm); 848 pbap_client->obex_parser_waiting_for_response = true; 849 // send packet 850 goep_client_execute(pbap_client->goep_cid); 851 break; 852 case PBAP_W2_SET_PATH_ELEMENT: 853 // prepare request 854 // find '/' or '\0' 855 path_element_start = pbap_client->set_path_offset; 856 while ((pbap_client->current_folder[pbap_client->set_path_offset] != '\0') && 857 (pbap_client->current_folder[pbap_client->set_path_offset] != '/')){ 858 pbap_client->set_path_offset++; 859 } 860 path_element_len = pbap_client->set_path_offset-path_element_start; 861 path_element = (const char *) &pbap_client->current_folder[path_element_start]; 862 863 // skip / 864 if (pbap_client->current_folder[pbap_client->set_path_offset] == '/'){ 865 pbap_client->set_path_offset++; 866 } 867 868 goep_client_request_create_set_path(pbap_client->goep_cid, 1 << 1); // Don’t create directory 869 goep_client_header_add_name_prefix(pbap_client->goep_cid, path_element, path_element_len); // next element 870 // state 871 pbap_client->state = PBAP_W4_SET_PATH_ELEMENT_COMPLETE; 872 // prepare response 873 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_SETPATH, NULL, pbap_client); 874 obex_srm_init(&pbap_client->obex_srm); 875 pbap_client->obex_parser_waiting_for_response = true; 876 // send packet 877 goep_client_execute(pbap_client->goep_cid); 878 break; 879 default: 880 break; 881 } 882 } 883 884 static void pbap_client_handle_srm_headers(pbap_client_t *context) { 885 const obex_srm_t * obex_srm = &pbap_client->obex_srm; 886 // Update SRM state based on SRM headers 887 switch (context->srm_state){ 888 case SRM_W4_CONFIRM: 889 switch (obex_srm->srm_value){ 890 case OBEX_SRM_ENABLE: 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 context->srm_state = SRM_DISABLED; 902 break; 903 } 904 break; 905 case SRM_ENABLED_BUT_WAITING: 906 switch (obex_srm->srmp_value){ 907 case OBEX_SRMP_WAIT: 908 context->srm_state = SRM_ENABLED_BUT_WAITING; 909 break; 910 default: 911 context->srm_state = SRM_ENABLED; 912 break; 913 } 914 break; 915 default: 916 break; 917 } 918 log_info("SRM state %u", context->srm_state); 919 } 920 921 static void pbap_packet_handler_hci(uint8_t *packet, uint16_t size){ 922 UNUSED(size); 923 uint8_t status; 924 switch (hci_event_packet_get_type(packet)) { 925 case HCI_EVENT_GOEP_META: 926 switch (hci_event_goep_meta_get_subevent_code(packet)){ 927 case GOEP_SUBEVENT_CONNECTION_OPENED: 928 status = goep_subevent_connection_opened_get_status(packet); 929 pbap_client->con_handle = goep_subevent_connection_opened_get_con_handle(packet); 930 pbap_client->incoming = goep_subevent_connection_opened_get_incoming(packet); 931 goep_subevent_connection_opened_get_bd_addr(packet, pbap_client->bd_addr); 932 if (status){ 933 log_info("pbap: connection failed %u", status); 934 pbap_client->state = PBAP_INIT; 935 pbap_client_emit_connected_event(pbap_client, status); 936 } else { 937 log_info("pbap: connection established"); 938 pbap_client->goep_cid = goep_subevent_connection_opened_get_goep_cid(packet); 939 pbap_client->state = PBAP_W2_SEND_CONNECT_REQUEST; 940 goep_client_request_can_send_now(pbap_client->goep_cid); 941 } 942 break; 943 case GOEP_SUBEVENT_CONNECTION_CLOSED: 944 if (pbap_client->state > PBAP_CONNECTED){ 945 pbap_client_emit_operation_complete_event(pbap_client, OBEX_DISCONNECTED); 946 } 947 pbap_client->state = PBAP_INIT; 948 pbap_client_emit_connection_closed_event(pbap_client); 949 break; 950 case GOEP_SUBEVENT_CAN_SEND_NOW: 951 pbap_handle_can_send_now(); 952 break; 953 default: 954 break; 955 } 956 break; 957 default: 958 break; 959 } 960 } 961 962 static void pbap_packet_handler_goep(uint8_t *packet, uint16_t size){ 963 if (pbap_client->obex_parser_waiting_for_response == false) return; 964 965 obex_parser_object_state_t parser_state; 966 parser_state = obex_parser_process_data(&pbap_client->obex_parser, packet, size); 967 if (parser_state == OBEX_PARSER_OBJECT_STATE_COMPLETE){ 968 pbap_client->obex_parser_waiting_for_response = false; 969 obex_parser_operation_info_t op_info; 970 obex_parser_get_operation_info(&pbap_client->obex_parser, &op_info); 971 switch (pbap_client->state){ 972 case PBAP_W4_CONNECT_RESPONSE: 973 switch (op_info.response_code) { 974 case OBEX_RESP_SUCCESS: 975 pbap_client->state = PBAP_CONNECTED; 976 pbap_client->vcard_selector_supported = pbap_client_supported_features & goep_client_get_pbap_supported_features( pbap_client->goep_cid) & PBAP_SUPPORTED_FEATURES_VCARD_SELECTING; 977 pbap_client_emit_connected_event(pbap_client, ERROR_CODE_SUCCESS); 978 break; 979 case OBEX_RESP_UNAUTHORIZED: 980 pbap_client->state = PBAP_W4_USER_AUTHENTICATION; 981 pbap_client_emit_authentication_event(pbap_client, pbap_client->obex_auth_parser.authentication_options); 982 break; 983 default: 984 log_info("pbap: obex connect failed, result 0x%02x", packet[0]); 985 pbap_client->state = PBAP_INIT; 986 pbap_client_emit_connected_event(pbap_client, OBEX_CONNECT_FAILED); 987 break; 988 } 989 break; 990 case PBAP_W4_DISCONNECT_RESPONSE: 991 goep_client_disconnect(pbap_client->goep_cid); 992 break; 993 case PBAP_W4_SET_PATH_ROOT_COMPLETE: 994 case PBAP_W4_SET_PATH_ELEMENT_COMPLETE: 995 switch (op_info.response_code) { 996 case OBEX_RESP_SUCCESS: 997 // more path? 998 if (pbap_client->current_folder[pbap_client->set_path_offset]) { 999 pbap_client->state = PBAP_W2_SET_PATH_ELEMENT; 1000 goep_client_request_can_send_now(pbap_client->goep_cid); 1001 } else { 1002 pbap_client->current_folder = NULL; 1003 pbap_client->state = PBAP_CONNECTED; 1004 pbap_client_emit_operation_complete_event(pbap_client, ERROR_CODE_SUCCESS); 1005 } 1006 break; 1007 case OBEX_RESP_NOT_FOUND: 1008 pbap_client->state = PBAP_CONNECTED; 1009 pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_FOUND); 1010 break; 1011 default: 1012 pbap_client->state = PBAP_CONNECTED; 1013 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 1014 break; 1015 } 1016 break; 1017 case PBAP_W4_PHONEBOOK: 1018 switch (op_info.response_code) { 1019 case OBEX_RESP_CONTINUE: 1020 pbap_client_handle_srm_headers(pbap_client); 1021 if (pbap_client->srm_state == SRM_ENABLED) { 1022 // prepare response 1023 pbap_client_prepare_get_operation(pbap_client); 1024 break; 1025 } 1026 pbap_client->state = PBAP_W2_PULL_PHONEBOOK; 1027 if (!pbap_client->flow_control_enabled || !pbap_client->flow_wait_for_user || 1028 pbap_client->flow_next_triggered) { 1029 goep_client_request_can_send_now(pbap_client->goep_cid); 1030 } 1031 break; 1032 case OBEX_RESP_SUCCESS: 1033 pbap_client->state = PBAP_CONNECTED; 1034 pbap_client_emit_operation_complete_event(pbap_client, ERROR_CODE_SUCCESS); 1035 break; 1036 default: 1037 log_info("unexpected response 0x%02x", packet[0]); 1038 pbap_client->state = PBAP_CONNECTED; 1039 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 1040 break; 1041 } 1042 break; 1043 case PBAP_W4_GET_PHONEBOOK_SIZE_COMPLETE: 1044 switch (op_info.response_code) { 1045 case OBEX_RESP_SUCCESS: 1046 if (pbap_client->phonebook_size_parser.have_size) { 1047 uint16_t phonebook_size = big_endian_read_16(pbap_client->phonebook_size_parser.size_buffer, 0); 1048 pbap_client->state = PBAP_CONNECTED; 1049 pbap_client_emit_phonebook_size_event(pbap_client, 0, phonebook_size); 1050 break; 1051 } 1052 /* fall through */ 1053 default: 1054 pbap_client->state = PBAP_CONNECTED; 1055 pbap_client_emit_phonebook_size_event(pbap_client, OBEX_UNKNOWN_ERROR, 0); 1056 break; 1057 } 1058 break; 1059 case PBAP_W4_GET_CARD_LIST_COMPLETE: 1060 switch (op_info.response_code) { 1061 case OBEX_RESP_CONTINUE: 1062 // handle continue 1063 pbap_client_handle_srm_headers(pbap_client); 1064 if (pbap_client->srm_state == SRM_ENABLED) { 1065 // prepare response 1066 pbap_client_prepare_get_operation(pbap_client); 1067 break; 1068 } 1069 pbap_client->state = PBAP_W2_GET_CARD_LIST; 1070 goep_client_request_can_send_now(pbap_client->goep_cid); 1071 break; 1072 case OBEX_RESP_SUCCESS: 1073 // done 1074 pbap_client->state = PBAP_CONNECTED; 1075 pbap_client_emit_operation_complete_event(pbap_client, ERROR_CODE_SUCCESS); 1076 break; 1077 case OBEX_RESP_NOT_ACCEPTABLE: 1078 pbap_client->state = PBAP_CONNECTED; 1079 pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_ACCEPTABLE); 1080 break; 1081 default: 1082 log_info("unexpected response 0x%02x", packet[0]); 1083 pbap_client->state = PBAP_CONNECTED; 1084 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 1085 break; 1086 } 1087 break; 1088 case PBAP_W4_GET_CARD_ENTRY_COMPLETE: 1089 switch (op_info.response_code) { 1090 case OBEX_RESP_CONTINUE: 1091 pbap_client_handle_srm_headers(pbap_client); 1092 if (pbap_client->srm_state == SRM_ENABLED) { 1093 // prepare response 1094 pbap_client_prepare_get_operation(pbap_client); 1095 break; 1096 } 1097 pbap_client->state = PBAP_W2_GET_CARD_ENTRY; 1098 goep_client_request_can_send_now(pbap_client->goep_cid); 1099 break; 1100 case OBEX_RESP_SUCCESS: 1101 pbap_client->state = PBAP_CONNECTED; 1102 pbap_client_emit_operation_complete_event(pbap_client, ERROR_CODE_SUCCESS); 1103 break; 1104 case OBEX_RESP_NOT_ACCEPTABLE: 1105 pbap_client->state = PBAP_CONNECTED; 1106 pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_ACCEPTABLE); 1107 break; 1108 default: 1109 log_info("unexpected response 0x%02x", packet[0]); 1110 pbap_client->state = PBAP_CONNECTED; 1111 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 1112 break; 1113 } 1114 break; 1115 case PBAP_W4_ABORT_COMPLETE: 1116 pbap_client->state = PBAP_CONNECTED; 1117 pbap_client_emit_operation_complete_event(pbap_client, OBEX_ABORTED); 1118 break; 1119 default: 1120 btstack_unreachable(); 1121 break; 1122 } 1123 } 1124 } 1125 1126 static void pbap_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 1127 UNUSED(channel); // ok: there is no channel 1128 UNUSED(size); // ok: handling own geop events 1129 1130 switch (packet_type){ 1131 case HCI_EVENT_PACKET: 1132 pbap_packet_handler_hci(packet, size); 1133 break; 1134 case GOEP_DATA_PACKET: 1135 pbap_packet_handler_goep(packet, size); 1136 break; 1137 default: 1138 break; 1139 } 1140 } 1141 1142 static void pbap_client_reset_state(void) { 1143 pbap_client_supported_features = 1144 PBAP_SUPPORTED_FEATURES_DOWNLOAD | 1145 PBAP_SUPPORTED_FEATURES_BROWSING | 1146 PBAP_SUPPORTED_FEATURES_DATABASE_IDENTIFIER | 1147 PBAP_SUPPORTED_FEATURES_FOLDER_VERSION_COUNTERS | 1148 PBAP_SUPPORTED_FEATURES_VCARD_SELECTING | 1149 PBAP_SUPPORTED_FEATURES_ENHANCED_MISSED_CALLS | 1150 PBAP_SUPPORTED_FEATURES_DEFAULT_CONTACT_IMAGE_FORMAT | 1151 PBAP_SUPPORTED_FEATURES_X_BT_UCI_VCARD_PROPERTY | 1152 PBAP_SUPPORTED_FEATURES_X_BT_UID_VCARD_PROPERTY | 1153 PBAP_SUPPORTED_FEATURES_CONTACT_REFERENCING; 1154 pbap_client->state = PBAP_INIT; 1155 pbap_client->cid = 1; 1156 } 1157 1158 void pbap_client_init(void){ 1159 pbap_client_reset_state(); 1160 } 1161 1162 void pbap_client_deinit(void){ 1163 pbap_client_reset_state(); 1164 memset(pbap_client, 0, sizeof(pbap_client_t)); 1165 } 1166 1167 uint8_t pbap_connect(btstack_packet_handler_t handler, bd_addr_t addr, uint16_t * out_cid){ 1168 if (pbap_client->state != PBAP_INIT){ 1169 return BTSTACK_MEMORY_ALLOC_FAILED; 1170 } 1171 1172 pbap_client->state = PBAP_W4_GOEP_CONNECTION; 1173 pbap_client->client_handler = handler; 1174 pbap_client->vcard_selector = 0; 1175 pbap_client->vcard_selector_operator = PBAP_VCARD_SELECTOR_OPERATOR_OR; 1176 1177 uint8_t err = goep_client_create_connection(&pbap_packet_handler, addr, BLUETOOTH_SERVICE_CLASS_PHONEBOOK_ACCESS_PSE, &pbap_client->goep_cid); 1178 *out_cid = pbap_client->cid; 1179 if (err) return err; 1180 return ERROR_CODE_SUCCESS; 1181 } 1182 1183 uint8_t pbap_disconnect(uint16_t pbap_cid){ 1184 UNUSED(pbap_cid); 1185 if (pbap_client->state < PBAP_CONNECTED){ 1186 return BTSTACK_BUSY; 1187 } 1188 pbap_client->state = PBAP_W2_SEND_DISCONNECT_REQUEST; 1189 goep_client_request_can_send_now(pbap_client->goep_cid); 1190 return ERROR_CODE_SUCCESS; 1191 } 1192 1193 uint8_t pbap_get_phonebook_size(uint16_t pbap_cid, const char * path){ 1194 UNUSED(pbap_cid); 1195 if (pbap_client->state != PBAP_CONNECTED){ 1196 return BTSTACK_BUSY; 1197 } 1198 pbap_client->state = PBAP_W2_GET_PHONEBOOK_SIZE; 1199 pbap_client->phonebook_path = path; 1200 pbap_client->request_number = 0; 1201 goep_client_request_can_send_now(pbap_client->goep_cid); 1202 return ERROR_CODE_SUCCESS; 1203 } 1204 1205 uint8_t pbap_pull_phonebook(uint16_t pbap_cid, const char * path){ 1206 UNUSED(pbap_cid); 1207 if (pbap_client->state != PBAP_CONNECTED){ 1208 return BTSTACK_BUSY; 1209 } 1210 pbap_client->state = PBAP_W2_PULL_PHONEBOOK; 1211 pbap_client->phonebook_path = path; 1212 pbap_client->request_number = 0; 1213 goep_client_request_can_send_now(pbap_client->goep_cid); 1214 return ERROR_CODE_SUCCESS; 1215 } 1216 1217 uint8_t pbap_set_phonebook(uint16_t pbap_cid, const char * path){ 1218 UNUSED(pbap_cid); 1219 if (pbap_client->state != PBAP_CONNECTED){ 1220 return BTSTACK_BUSY; 1221 } 1222 pbap_client->state = PBAP_W2_SET_PATH_ROOT; 1223 pbap_client->current_folder = path; 1224 pbap_client->set_path_offset = 0; 1225 goep_client_request_can_send_now(pbap_client->goep_cid); 1226 return ERROR_CODE_SUCCESS; 1227 } 1228 1229 uint8_t pbap_authentication_password(uint16_t pbap_cid, const char * password){ 1230 UNUSED(pbap_cid); 1231 if (pbap_client->state != PBAP_W4_USER_AUTHENTICATION){ 1232 return BTSTACK_BUSY; 1233 } 1234 pbap_client->state = PBAP_W2_SEND_AUTHENTICATED_CONNECT; 1235 pbap_client->authentication_password = password; 1236 goep_client_request_can_send_now(pbap_client->goep_cid); 1237 return ERROR_CODE_SUCCESS; 1238 } 1239 1240 uint8_t pbap_pull_vcard_listing(uint16_t pbap_cid, const char * path){ 1241 UNUSED(pbap_cid); 1242 if (pbap_client->state != PBAP_CONNECTED){ 1243 return BTSTACK_BUSY; 1244 } 1245 pbap_client->state = PBAP_W2_GET_CARD_LIST; 1246 pbap_client->phonebook_path = path; 1247 pbap_client->phone_number = NULL; 1248 pbap_client->request_number = 0; 1249 pbap_client_vcard_listing_init_parser(pbap_client); 1250 goep_client_request_can_send_now(pbap_client->goep_cid); 1251 return ERROR_CODE_SUCCESS; 1252 } 1253 1254 uint8_t pbap_pull_vcard_entry(uint16_t pbap_cid, const char * path){ 1255 UNUSED(pbap_cid); 1256 if (pbap_client->state != PBAP_CONNECTED){ 1257 return BTSTACK_BUSY; 1258 } 1259 pbap_client->state = PBAP_W2_GET_CARD_ENTRY; 1260 // pbap_client->phonebook_path = NULL; 1261 // pbap_client->phone_number = NULL; 1262 pbap_client->vcard_name = path; 1263 pbap_client->request_number = 0; 1264 goep_client_request_can_send_now(pbap_client->goep_cid); 1265 return ERROR_CODE_SUCCESS; 1266 } 1267 1268 uint8_t pbap_lookup_by_number(uint16_t pbap_cid, const char * phone_number){ 1269 UNUSED(pbap_cid); 1270 if (pbap_client->state != PBAP_CONNECTED){ 1271 return BTSTACK_BUSY; 1272 } 1273 pbap_client->state = PBAP_W2_GET_CARD_LIST; 1274 pbap_client->phonebook_path = pbap_vcard_listing_name; 1275 pbap_client->phone_number = phone_number; 1276 pbap_client->request_number = 0; 1277 pbap_client_vcard_listing_init_parser(pbap_client); 1278 goep_client_request_can_send_now(pbap_client->goep_cid); 1279 return ERROR_CODE_SUCCESS; 1280 } 1281 1282 uint8_t pbap_abort(uint16_t pbap_cid){ 1283 UNUSED(pbap_cid); 1284 if ((pbap_client->state < PBAP_CONNECTED) || (pbap_client->abort_operation != 0)){ 1285 return ERROR_CODE_COMMAND_DISALLOWED; 1286 } 1287 log_info("abort current operation, state 0x%02x", pbap_client->state); 1288 pbap_client->abort_operation = 1; 1289 return ERROR_CODE_SUCCESS; 1290 } 1291 1292 uint8_t pbap_next_packet(uint16_t pbap_cid){ 1293 // log_info("pbap_next_packet, state %x", pbap_client->state); 1294 UNUSED(pbap_cid); 1295 if (!pbap_client->flow_control_enabled){ 1296 return ERROR_CODE_SUCCESS; 1297 } 1298 switch (pbap_client->state){ 1299 case PBAP_W2_PULL_PHONEBOOK: 1300 goep_client_request_can_send_now(pbap_client->goep_cid); 1301 break; 1302 case PBAP_W4_PHONEBOOK: 1303 pbap_client->flow_next_triggered = 1; 1304 break; 1305 default: 1306 break; 1307 } 1308 return ERROR_CODE_SUCCESS; 1309 } 1310 1311 uint8_t pbap_set_flow_control_mode(uint16_t pbap_cid, int enable){ 1312 UNUSED(pbap_cid); 1313 if (pbap_client->state != PBAP_CONNECTED){ 1314 return BTSTACK_BUSY; 1315 } 1316 pbap_client->flow_control_enabled = enable; 1317 return ERROR_CODE_SUCCESS; 1318 } 1319 1320 uint8_t pbap_set_vcard_selector(uint16_t pbap_cid, uint32_t vcard_selector){ 1321 UNUSED(pbap_cid); 1322 if (pbap_client->state != PBAP_CONNECTED){ 1323 return BTSTACK_BUSY; 1324 } 1325 pbap_client->vcard_selector = vcard_selector; 1326 return ERROR_CODE_SUCCESS; 1327 } 1328 1329 uint8_t pbap_set_vcard_selector_operator(uint16_t pbap_cid, int vcard_selector_operator){ 1330 UNUSED(pbap_cid); 1331 if (pbap_client->state != PBAP_CONNECTED){ 1332 return BTSTACK_BUSY; 1333 } 1334 pbap_client->vcard_selector_operator = vcard_selector_operator; 1335 return ERROR_CODE_SUCCESS; 1336 } 1337 1338 uint8_t pbap_set_property_selector(uint16_t pbap_cid, uint32_t property_selector){ 1339 UNUSED(pbap_cid); 1340 if (pbap_client->state != PBAP_CONNECTED){ 1341 return BTSTACK_BUSY; 1342 } 1343 pbap_client->property_selector = property_selector; 1344 return ERROR_CODE_SUCCESS; 1345 } 1346