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 } 440 441 static void pbap_client_process_vcard_list_body(const uint8_t * data, uint16_t data_len){ 442 while (data_len--) { 443 uint16_t char_len; 444 yxml_ret_t r = yxml_parse(&pbap_client->xml_parser, *data++); 445 switch (r) { 446 case YXML_ELEMSTART: 447 pbap_client->parser_card_found = strcmp("card", pbap_client->xml_parser.elem) == 0; 448 break; 449 case YXML_ELEMEND: 450 if (pbap_client->parser_card_found) { 451 pbap_client_emit_card_result_event(pbap_client, pbap_client->parser_name, 452 pbap_client->parser_handle); 453 } 454 pbap_client->parser_card_found = false; 455 break; 456 case YXML_ATTRSTART: 457 if (!pbap_client->parser_card_found) break; 458 if (strcmp("name", pbap_client->xml_parser.attr) == 0) { 459 pbap_client->parser_name_found = true; 460 pbap_client->parser_name[0] = 0; 461 break; 462 } 463 if (strcmp("handle", pbap_client->xml_parser.attr) == 0) { 464 pbap_client->parser_handle_found = true; 465 pbap_client->parser_handle[0] = 0; 466 break; 467 } 468 break; 469 case YXML_ATTRVAL: 470 if (pbap_client->parser_name_found) { 471 // "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." 472 char_len = strlen(pbap_client->xml_parser.data); 473 if ((strlen(pbap_client->parser_name) + char_len + 1) >= 474 sizeof(pbap_client->parser_name)) 475 break; 476 strcat(pbap_client->parser_name, pbap_client->xml_parser.data); 477 break; 478 } 479 if (pbap_client->parser_handle_found) { 480 // "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." 481 char_len = strlen(pbap_client->xml_parser.data); 482 if ((strlen(pbap_client->parser_handle) + char_len + 1) >= 483 sizeof(pbap_client->parser_handle)) 484 break; 485 strcat(pbap_client->parser_handle, pbap_client->xml_parser.data); 486 break; 487 } 488 break; 489 case YXML_ATTREND: 490 pbap_client->parser_name_found = false; 491 pbap_client->parser_handle_found = false; 492 break; 493 default: 494 break; 495 } 496 } 497 } 498 499 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){ 500 pbap_client_t * client = (pbap_client_t *) user_data; 501 switch (header_id){ 502 case OBEX_HEADER_CONNECTION_ID: 503 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){ 504 goep_client_set_connection_id(client->goep_cid, big_endian_read_32(client->obex_header_buffer, 0)); 505 } 506 break; 507 case OBEX_HEADER_AUTHENTICATION_CHALLENGE: 508 obex_auth_parser_process_data(&client->obex_auth_parser, data_buffer, data_len); 509 break; 510 default: 511 break; 512 } 513 } 514 515 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){ 516 UNUSED(total_len); 517 UNUSED(data_offset); 518 pbap_client_t *client = (pbap_client_t *) user_data; 519 switch (header_id) { 520 case OBEX_HEADER_APPLICATION_PARAMETERS: 521 pbap_client_phoneboook_size_parser_process_data(&client->phonebook_size_parser, data_buffer, data_len); 522 break; 523 default: 524 break; 525 } 526 } 527 528 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){ 529 pbap_client_t *client = (pbap_client_t *) user_data; 530 switch (header_id) { 531 case OBEX_HEADER_SINGLE_RESPONSE_MODE: 532 obex_parser_header_store(&client->obex_srm.srm_value, 1, total_len, data_offset, data_buffer, data_len); 533 break; 534 case OBEX_HEADER_SINGLE_RESPONSE_MODE_PARAMETER: 535 obex_parser_header_store(&client->obex_srm.srmp_value, 1, total_len, data_offset, data_buffer, data_len); 536 break; 537 case OBEX_HEADER_BODY: 538 case OBEX_HEADER_END_OF_BODY: 539 switch(pbap_client->state){ 540 case PBAP_W4_PHONEBOOK: 541 case PBAP_W4_GET_CARD_ENTRY_COMPLETE: 542 client->client_handler(PBAP_DATA_PACKET, client->cid, (uint8_t *) data_buffer, data_len); 543 if (data_offset + data_len == total_len){ 544 client->flow_wait_for_user = true; 545 } 546 break; 547 case PBAP_W4_GET_CARD_LIST_COMPLETE: 548 pbap_client_process_vcard_list_body(data_buffer, data_len); 549 break; 550 default: 551 btstack_unreachable(); 552 break; 553 } 554 break; 555 default: 556 // ignore other headers 557 break; 558 } 559 } 560 561 static uint16_t pbap_client_application_params_add_vcard_selector(const pbap_client_t * client, uint8_t * application_parameters){ 562 uint16_t pos = 0; 563 if (client->vcard_selector_supported){ 564 // vCard Selector 565 if (pbap_client->vcard_selector){ 566 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_VCARD_SELECTOR; 567 application_parameters[pos++] = 8; 568 memset(&application_parameters[pos], 0, 4); 569 pos += 4; 570 big_endian_store_32(application_parameters, pos, client->vcard_selector); 571 pos += 4; 572 } 573 // vCard Selector Operator 574 if (client->vcard_selector_operator != PBAP_VCARD_SELECTOR_OPERATOR_OR){ 575 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_VCARD_SELECTOR_OPERATOR; 576 application_parameters[pos++] = 1; 577 application_parameters[pos++] = client->vcard_selector_operator; 578 } 579 } 580 return pos; 581 } 582 583 static uint16_t pbap_client_application_params_add_max_list_count(const pbap_client_t * client, uint8_t * application_parameters, uint16_t max_count){ 584 UNUSED(client); 585 uint16_t pos = 0; 586 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_MAX_LIST_COUNT; 587 application_parameters[pos++] = 2; 588 big_endian_store_16(application_parameters, 2, max_count); 589 pos += 2; 590 return pos; 591 } 592 593 // max size: PBAP_MAX_PHONE_NUMBER_LEN + 5 594 static uint16_t pbap_client_application_params_add_phone_number(const pbap_client_t * client, uint8_t * application_parameters){ 595 uint16_t pos = 0; 596 if (client->phone_number){ 597 // Search by phone number 598 uint16_t phone_number_len = btstack_min(PBAP_MAX_PHONE_NUMBER_LEN, strlen(client->phone_number)); 599 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_SEARCH_VALUE; 600 application_parameters[pos++] = phone_number_len; 601 (void)memcpy(&application_parameters[pos], 602 pbap_client->phone_number, phone_number_len); 603 pos += phone_number_len; 604 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_SEARCH_PROPERTY; 605 application_parameters[pos++] = 1; 606 application_parameters[pos++] = 0x01; // Number 607 } 608 return pos; 609 } 610 611 static uint16_t pbap_client_application_params_add_property_selector(const pbap_client_t * client, uint8_t * application_parameters){ 612 // TODO: support format 613 uint16_t pos = 0; 614 uint32_t property_selector_lower = client->property_selector; 615 if (strncmp(pbap_client->vcard_name, "X-BT-UID:", 9) == 0) { 616 property_selector_lower |= 1U << 31; 617 } 618 if (strncmp(pbap_client->vcard_name, "X-BT-UCI:", 9) == 0) { 619 property_selector_lower |= 1U << 30; 620 } 621 if (property_selector_lower != 0){ 622 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_PROPERTY_SELECTOR; 623 application_parameters[pos++] = 8; 624 big_endian_store_32(application_parameters, pos, 0); // upper 32-bits are reserved/unused so far 625 pos += 4; 626 big_endian_store_32(application_parameters, pos, property_selector_lower); 627 pos += 4; 628 } 629 return pos; 630 } 631 632 // Mandatory if the PSE advertises a PbapSupportedFeatures attribute in its SDP record, else excluded. 633 static uint16_t pbap_client_application_parameters_add_supported_features(const pbap_client_t * client, uint8_t *application_parameters) { 634 uint16_t pos = 0; 635 if (goep_client_get_pbap_supported_features(client->goep_cid) != PBAP_FEATURES_NOT_PRESENT){ 636 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_PBAP_SUPPORTED_FEATURES; 637 application_parameters[pos++] = 4; 638 big_endian_store_32(application_parameters, 2, pbap_client_supported_features); 639 pos += 4; 640 } 641 return pos; 642 } 643 644 static void pbap_client_add_application_parameters(const pbap_client_t * client, uint8_t * application_parameters, uint16_t len){ 645 if (len > 0){ 646 goep_client_header_add_application_parameters(client->goep_cid, &application_parameters[0], len); 647 } 648 } 649 650 static void pbap_client_prepare_srm_header(const pbap_client_t * client){ 651 if (!client->flow_control_enabled && goep_client_version_20_or_higher(client->goep_cid)){ 652 goep_client_header_add_srm_enable(client->goep_cid); 653 pbap_client->srm_state = SRM_W4_CONFIRM; 654 } 655 } 656 657 static void pbap_client_prepare_get_operation(pbap_client_t * client){ 658 obex_parser_init_for_response(&client->obex_parser, OBEX_OPCODE_GET, pbap_client_parser_callback_get_operation, pbap_client); 659 obex_srm_init(&client->obex_srm); 660 client->obex_parser_waiting_for_response = true; 661 } 662 663 static void pbap_handle_can_send_now(void){ 664 uint16_t path_element_start; 665 uint16_t path_element_len; 666 const char * path_element; 667 uint8_t application_parameters[PBAP_MAX_PHONE_NUMBER_LEN + 10]; 668 uint8_t challenge_response[36]; 669 uint16_t pos; 670 671 MD5_CTX md5_ctx; 672 673 if (pbap_client->abort_operation){ 674 pbap_client->abort_operation = 0; 675 pbap_client->state = PBAP_CONNECTED; 676 goep_client_request_create_abort(pbap_client->goep_cid); 677 goep_client_execute(pbap_client->goep_cid); 678 return; 679 } 680 681 switch (pbap_client->state){ 682 case PBAP_W2_SEND_CONNECT_REQUEST: 683 // prepare request 684 goep_client_request_create_connect(pbap_client->goep_cid, OBEX_VERSION, 0, OBEX_MAX_PACKETLEN_DEFAULT); 685 goep_client_header_add_target(pbap_client->goep_cid, pbap_uuid, 16); 686 pos = 0; 687 pos += pbap_client_application_parameters_add_supported_features(pbap_client, &application_parameters[pos]); 688 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 689 // state 690 pbap_client->state = PBAP_W4_CONNECT_RESPONSE; 691 // prepare response 692 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_CONNECT, pbap_client_parser_callback_connect, pbap_client); 693 obex_auth_parser_init(&pbap_client->obex_auth_parser); 694 obex_srm_init(&pbap_client->obex_srm); 695 pbap_client->obex_parser_waiting_for_response = true; 696 // send packet 697 goep_client_execute(pbap_client->goep_cid); 698 break; 699 case PBAP_W2_SEND_AUTHENTICATED_CONNECT: 700 // prepare request 701 goep_client_request_create_connect(pbap_client->goep_cid, OBEX_VERSION, 0, OBEX_MAX_PACKETLEN_DEFAULT); 702 goep_client_header_add_target(pbap_client->goep_cid, pbap_uuid, 16); 703 // setup authentication challenge response 704 pos = 0; 705 challenge_response[pos++] = 0; // Tag Digest 706 challenge_response[pos++] = 16; // Len 707 // calculate md5 708 MD5_Init(&md5_ctx); 709 MD5_Update(&md5_ctx, pbap_client->obex_auth_parser.authentication_nonce, 16); 710 MD5_Update(&md5_ctx, &collon, 1); 711 MD5_Update(&md5_ctx, pbap_client->authentication_password, strlen(pbap_client->authentication_password)); 712 MD5_Final(&challenge_response[pos], &md5_ctx); 713 pos += 16; 714 challenge_response[pos++] = 2; // Tag Nonce 715 challenge_response[pos++] = 16; // Len 716 (void)memcpy(&challenge_response[pos], pbap_client->obex_auth_parser.authentication_nonce, 16); 717 pos += 16; 718 goep_client_header_add_challenge_response(pbap_client->goep_cid, challenge_response, pos); 719 // state 720 pbap_client->state = PBAP_W4_CONNECT_RESPONSE; 721 // prepare response 722 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_CONNECT, pbap_client_parser_callback_connect, pbap_client); 723 obex_srm_init(&pbap_client->obex_srm); 724 pbap_client->obex_parser_waiting_for_response = true; 725 // send packet 726 goep_client_execute(pbap_client->goep_cid); 727 break; 728 case PBAP_W2_SEND_DISCONNECT_REQUEST: 729 // prepare request 730 goep_client_request_create_disconnect(pbap_client->goep_cid); 731 // state 732 pbap_client->state = PBAP_W4_DISCONNECT_RESPONSE; 733 // prepare response 734 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_DISCONNECT, NULL, pbap_client); 735 obex_srm_init(&pbap_client->obex_srm); 736 pbap_client->obex_parser_waiting_for_response = true; 737 // send packet 738 goep_client_execute(pbap_client->goep_cid); 739 return; 740 case PBAP_W2_GET_PHONEBOOK_SIZE: 741 // prepare request 742 goep_client_request_create_get(pbap_client->goep_cid); 743 pbap_client_prepare_srm_header(pbap_client); 744 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->phonebook_path); 745 goep_client_header_add_type(pbap_client->goep_cid, pbap_phonebook_type); 746 747 pos = 0; 748 pos += pbap_client_application_params_add_vcard_selector(pbap_client, &application_parameters[pos]); 749 pos += pbap_client_application_params_add_max_list_count(pbap_client, &application_parameters[pos], 0); // just get size 750 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 751 752 // state 753 pbap_client->state = PBAP_W4_GET_PHONEBOOK_SIZE_COMPLETE; 754 // prepare response 755 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_GET, pbap_client_parser_callback_get_phonebook_size, pbap_client); 756 obex_srm_init(&pbap_client->obex_srm); 757 pbap_client_phonebook_size_parser_init(&pbap_client->phonebook_size_parser); 758 pbap_client->obex_parser_waiting_for_response = true; 759 // send packet 760 goep_client_execute(pbap_client->goep_cid); 761 break; 762 case PBAP_W2_PULL_PHONEBOOK: 763 // prepare request 764 goep_client_request_create_get(pbap_client->goep_cid); 765 if (pbap_client->request_number == 0){ 766 pbap_client_prepare_srm_header(pbap_client); 767 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->phonebook_path); 768 goep_client_header_add_type(pbap_client->goep_cid, pbap_phonebook_type); 769 770 pos = 0; 771 pos += pbap_client_application_params_add_vcard_selector(pbap_client, &application_parameters[pos]); 772 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 773 } 774 // state 775 pbap_client->state = PBAP_W4_PHONEBOOK; 776 pbap_client->flow_next_triggered = 0; 777 pbap_client->flow_wait_for_user = 0; 778 // prepare response 779 pbap_client_prepare_get_operation(pbap_client); 780 // send packet 781 pbap_client->request_number++; 782 goep_client_execute(pbap_client->goep_cid); 783 break; 784 case PBAP_W2_GET_CARD_LIST: 785 // prepare request 786 goep_client_request_create_get(pbap_client->goep_cid); 787 if (pbap_client->request_number == 0){ 788 pbap_client_prepare_srm_header(pbap_client); 789 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->phonebook_path); 790 goep_client_header_add_type(pbap_client->goep_cid, pbap_vcard_listing_type); 791 792 pos = 0; 793 pos += pbap_client_application_params_add_vcard_selector(pbap_client, &application_parameters[pos]); 794 pos += pbap_client_application_params_add_phone_number(pbap_client, &application_parameters[pos]); 795 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 796 } 797 // state 798 pbap_client->state = PBAP_W4_GET_CARD_LIST_COMPLETE; 799 // prepare response 800 pbap_client_prepare_get_operation(pbap_client); 801 // send packet 802 pbap_client->request_number++; 803 goep_client_execute(pbap_client->goep_cid); 804 break; 805 case PBAP_W2_GET_CARD_ENTRY: 806 // prepare request 807 goep_client_request_create_get(pbap_client->goep_cid); 808 if (pbap_client->request_number == 0){ 809 pbap_client_prepare_srm_header(pbap_client); 810 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->vcard_name); 811 goep_client_header_add_type(pbap_client->goep_cid, pbap_vcard_entry_type); 812 813 pos = 0; 814 pos += pbap_client_application_params_add_property_selector(pbap_client, &application_parameters[pos]); 815 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 816 } 817 // state 818 pbap_client->state = PBAP_W4_GET_CARD_ENTRY_COMPLETE; 819 // prepare response 820 pbap_client_prepare_get_operation(pbap_client); 821 // send packet 822 pbap_client->request_number++; 823 goep_client_execute(pbap_client->goep_cid); 824 break; 825 case PBAP_W2_SET_PATH_ROOT: 826 // prepare request 827 goep_client_request_create_set_path(pbap_client->goep_cid, 1 << 1); // Don’t create directory 828 goep_client_header_add_name(pbap_client->goep_cid, ""); 829 // state 830 pbap_client->state = PBAP_W4_SET_PATH_ROOT_COMPLETE; 831 // prepare response 832 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_SETPATH, NULL, pbap_client); 833 obex_srm_init(&pbap_client->obex_srm); 834 pbap_client->obex_parser_waiting_for_response = true; 835 // send packet 836 goep_client_execute(pbap_client->goep_cid); 837 break; 838 case PBAP_W2_SET_PATH_ELEMENT: 839 // prepare request 840 // find '/' or '\0' 841 path_element_start = pbap_client->set_path_offset; 842 while ((pbap_client->current_folder[pbap_client->set_path_offset] != '\0') && 843 (pbap_client->current_folder[pbap_client->set_path_offset] != '/')){ 844 pbap_client->set_path_offset++; 845 } 846 path_element_len = pbap_client->set_path_offset-path_element_start; 847 path_element = (const char *) &pbap_client->current_folder[path_element_start]; 848 849 // skip / 850 if (pbap_client->current_folder[pbap_client->set_path_offset] == '/'){ 851 pbap_client->set_path_offset++; 852 } 853 854 goep_client_request_create_set_path(pbap_client->goep_cid, 1 << 1); // Don’t create directory 855 goep_client_header_add_name_prefix(pbap_client->goep_cid, path_element, path_element_len); // next element 856 // state 857 pbap_client->state = PBAP_W4_SET_PATH_ELEMENT_COMPLETE; 858 // prepare response 859 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_SETPATH, NULL, pbap_client); 860 obex_srm_init(&pbap_client->obex_srm); 861 pbap_client->obex_parser_waiting_for_response = true; 862 // send packet 863 goep_client_execute(pbap_client->goep_cid); 864 break; 865 default: 866 break; 867 } 868 } 869 870 static void pbap_client_handle_srm_headers(pbap_client_t *context) { 871 const obex_srm_t * obex_srm = &pbap_client->obex_srm; 872 // Update SRM state based on SRM headers 873 switch (context->srm_state){ 874 case SRM_W4_CONFIRM: 875 switch (obex_srm->srm_value){ 876 case OBEX_SRM_ENABLE: 877 switch (obex_srm->srmp_value){ 878 case OBEX_SRMP_WAIT: 879 context->srm_state = SRM_ENABLED_BUT_WAITING; 880 break; 881 default: 882 context->srm_state = SRM_ENABLED; 883 break; 884 } 885 break; 886 default: 887 context->srm_state = SRM_DISABLED; 888 break; 889 } 890 break; 891 case SRM_ENABLED_BUT_WAITING: 892 switch (obex_srm->srmp_value){ 893 case OBEX_SRMP_WAIT: 894 context->srm_state = SRM_ENABLED_BUT_WAITING; 895 break; 896 default: 897 context->srm_state = SRM_ENABLED; 898 break; 899 } 900 break; 901 default: 902 break; 903 } 904 log_info("SRM state %u", context->srm_state); 905 } 906 907 static void pbap_packet_handler_hci(uint8_t *packet, uint16_t size){ 908 UNUSED(size); 909 uint8_t status; 910 switch (hci_event_packet_get_type(packet)) { 911 case HCI_EVENT_GOEP_META: 912 switch (hci_event_goep_meta_get_subevent_code(packet)){ 913 case GOEP_SUBEVENT_CONNECTION_OPENED: 914 status = goep_subevent_connection_opened_get_status(packet); 915 pbap_client->con_handle = goep_subevent_connection_opened_get_con_handle(packet); 916 pbap_client->incoming = goep_subevent_connection_opened_get_incoming(packet); 917 goep_subevent_connection_opened_get_bd_addr(packet, pbap_client->bd_addr); 918 if (status){ 919 log_info("pbap: connection failed %u", status); 920 pbap_client->state = PBAP_INIT; 921 pbap_client_emit_connected_event(pbap_client, status); 922 } else { 923 log_info("pbap: connection established"); 924 pbap_client->goep_cid = goep_subevent_connection_opened_get_goep_cid(packet); 925 pbap_client->state = PBAP_W2_SEND_CONNECT_REQUEST; 926 goep_client_request_can_send_now(pbap_client->goep_cid); 927 } 928 break; 929 case GOEP_SUBEVENT_CONNECTION_CLOSED: 930 if (pbap_client->state > PBAP_CONNECTED){ 931 pbap_client_emit_operation_complete_event(pbap_client, OBEX_DISCONNECTED); 932 } 933 pbap_client->state = PBAP_INIT; 934 pbap_client_emit_connection_closed_event(pbap_client); 935 break; 936 case GOEP_SUBEVENT_CAN_SEND_NOW: 937 pbap_handle_can_send_now(); 938 break; 939 default: 940 break; 941 } 942 break; 943 default: 944 break; 945 } 946 } 947 948 static void pbap_packet_handler_goep(uint8_t *packet, uint16_t size){ 949 if (pbap_client->obex_parser_waiting_for_response == false) return; 950 951 obex_parser_object_state_t parser_state; 952 parser_state = obex_parser_process_data(&pbap_client->obex_parser, packet, size); 953 if (parser_state == OBEX_PARSER_OBJECT_STATE_COMPLETE){ 954 pbap_client->obex_parser_waiting_for_response = false; 955 obex_parser_operation_info_t op_info; 956 obex_parser_get_operation_info(&pbap_client->obex_parser, &op_info); 957 switch (pbap_client->state){ 958 case PBAP_W4_CONNECT_RESPONSE: 959 switch (op_info.response_code) { 960 case OBEX_RESP_SUCCESS: 961 pbap_client->state = PBAP_CONNECTED; 962 pbap_client->vcard_selector_supported = pbap_client_supported_features & goep_client_get_pbap_supported_features( pbap_client->goep_cid) & PBAP_SUPPORTED_FEATURES_VCARD_SELECTING; 963 pbap_client_emit_connected_event(pbap_client, ERROR_CODE_SUCCESS); 964 break; 965 case OBEX_RESP_UNAUTHORIZED: 966 pbap_client->state = PBAP_W4_USER_AUTHENTICATION; 967 pbap_client_emit_authentication_event(pbap_client, pbap_client->obex_auth_parser.authentication_options); 968 break; 969 default: 970 log_info("pbap: obex connect failed, result 0x%02x", packet[0]); 971 pbap_client->state = PBAP_INIT; 972 pbap_client_emit_connected_event(pbap_client, OBEX_CONNECT_FAILED); 973 break; 974 } 975 break; 976 case PBAP_W4_DISCONNECT_RESPONSE: 977 goep_client_disconnect(pbap_client->goep_cid); 978 break; 979 case PBAP_W4_SET_PATH_ROOT_COMPLETE: 980 case PBAP_W4_SET_PATH_ELEMENT_COMPLETE: 981 switch (op_info.response_code) { 982 case OBEX_RESP_SUCCESS: 983 // more path? 984 if (pbap_client->current_folder[pbap_client->set_path_offset]) { 985 pbap_client->state = PBAP_W2_SET_PATH_ELEMENT; 986 goep_client_request_can_send_now(pbap_client->goep_cid); 987 } else { 988 pbap_client->current_folder = NULL; 989 pbap_client->state = PBAP_CONNECTED; 990 pbap_client_emit_operation_complete_event(pbap_client, ERROR_CODE_SUCCESS); 991 } 992 break; 993 case OBEX_RESP_NOT_FOUND: 994 pbap_client->state = PBAP_CONNECTED; 995 pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_FOUND); 996 break; 997 default: 998 pbap_client->state = PBAP_CONNECTED; 999 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 1000 break; 1001 } 1002 break; 1003 case PBAP_W4_PHONEBOOK: 1004 switch (op_info.response_code) { 1005 case OBEX_RESP_CONTINUE: 1006 pbap_client_handle_srm_headers(pbap_client); 1007 if (pbap_client->srm_state == SRM_ENABLED) { 1008 // prepare response 1009 pbap_client_prepare_get_operation(pbap_client); 1010 break; 1011 } 1012 pbap_client->state = PBAP_W2_PULL_PHONEBOOK; 1013 if (!pbap_client->flow_control_enabled || !pbap_client->flow_wait_for_user || 1014 pbap_client->flow_next_triggered) { 1015 goep_client_request_can_send_now(pbap_client->goep_cid); 1016 } 1017 break; 1018 case OBEX_RESP_SUCCESS: 1019 pbap_client->state = PBAP_CONNECTED; 1020 pbap_client_emit_operation_complete_event(pbap_client, 0); 1021 break; 1022 default: 1023 log_info("unexpected response 0x%02x", packet[0]); 1024 pbap_client->state = PBAP_CONNECTED; 1025 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 1026 break; 1027 } 1028 break; 1029 case PBAP_W4_GET_PHONEBOOK_SIZE_COMPLETE: 1030 switch (op_info.response_code) { 1031 case OBEX_RESP_SUCCESS: 1032 if (pbap_client->phonebook_size_parser.have_size) { 1033 uint16_t phonebook_size = big_endian_read_16(pbap_client->phonebook_size_parser.size_buffer, 0); 1034 pbap_client->state = PBAP_CONNECTED; 1035 pbap_client_emit_phonebook_size_event(pbap_client, 0, phonebook_size); 1036 break; 1037 } 1038 /* fall through */ 1039 default: 1040 pbap_client->state = PBAP_CONNECTED; 1041 pbap_client_emit_phonebook_size_event(pbap_client, OBEX_UNKNOWN_ERROR, 0); 1042 break; 1043 } 1044 break; 1045 case PBAP_W4_GET_CARD_LIST_COMPLETE: 1046 switch (op_info.response_code) { 1047 case OBEX_RESP_CONTINUE: 1048 // handle continue 1049 pbap_client_handle_srm_headers(pbap_client); 1050 if (pbap_client->srm_state == SRM_ENABLED) { 1051 // prepare response 1052 pbap_client_prepare_get_operation(pbap_client); 1053 break; 1054 } 1055 pbap_client->state = PBAP_W2_GET_CARD_LIST; 1056 goep_client_request_can_send_now(pbap_client->goep_cid); 1057 break; 1058 case OBEX_RESP_SUCCESS: 1059 // done 1060 pbap_client->state = PBAP_CONNECTED; 1061 pbap_client_emit_operation_complete_event(pbap_client, ERROR_CODE_SUCCESS); 1062 break; 1063 case OBEX_RESP_NOT_ACCEPTABLE: 1064 pbap_client->state = PBAP_CONNECTED; 1065 pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_ACCEPTABLE); 1066 break; 1067 default: 1068 log_info("unexpected response 0x%02x", packet[0]); 1069 pbap_client->state = PBAP_CONNECTED; 1070 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 1071 break; 1072 } 1073 break; 1074 case PBAP_W4_GET_CARD_ENTRY_COMPLETE: 1075 switch (op_info.response_code) { 1076 case OBEX_RESP_CONTINUE: 1077 pbap_client_handle_srm_headers(pbap_client); 1078 if (pbap_client->srm_state == SRM_ENABLED) { 1079 // prepare response 1080 pbap_client_prepare_get_operation(pbap_client); 1081 break; 1082 } 1083 pbap_client->state = PBAP_W2_GET_CARD_ENTRY; 1084 goep_client_request_can_send_now(pbap_client->goep_cid); 1085 break; 1086 case OBEX_RESP_SUCCESS: 1087 pbap_client->state = PBAP_CONNECTED; 1088 pbap_client_emit_operation_complete_event(pbap_client, 0); 1089 break; 1090 case OBEX_RESP_NOT_ACCEPTABLE: 1091 pbap_client->state = PBAP_CONNECTED; 1092 pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_ACCEPTABLE); 1093 break; 1094 default: 1095 log_info("unexpected response 0x%02x", packet[0]); 1096 pbap_client->state = PBAP_CONNECTED; 1097 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 1098 break; 1099 } 1100 break; 1101 default: 1102 btstack_unreachable(); 1103 break; 1104 } 1105 } 1106 } 1107 1108 static void pbap_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 1109 UNUSED(channel); // ok: there is no channel 1110 UNUSED(size); // ok: handling own geop events 1111 1112 switch (packet_type){ 1113 case HCI_EVENT_PACKET: 1114 pbap_packet_handler_hci(packet, size); 1115 break; 1116 case GOEP_DATA_PACKET: 1117 pbap_packet_handler_goep(packet, size); 1118 break; 1119 default: 1120 break; 1121 } 1122 } 1123 1124 static void pbap_client_reset_state(void) { 1125 pbap_client_supported_features = 1126 PBAP_SUPPORTED_FEATURES_DOWNLOAD | 1127 PBAP_SUPPORTED_FEATURES_BROWSING | 1128 PBAP_SUPPORTED_FEATURES_DATABASE_IDENTIFIER | 1129 PBAP_SUPPORTED_FEATURES_FOLDER_VERSION_COUNTERS | 1130 PBAP_SUPPORTED_FEATURES_VCARD_SELECTING | 1131 PBAP_SUPPORTED_FEATURES_ENHANCED_MISSED_CALLS | 1132 PBAP_SUPPORTED_FEATURES_DEFAULT_CONTACT_IMAGE_FORMAT | 1133 PBAP_SUPPORTED_FEATURES_X_BT_UCI_VCARD_PROPERTY | 1134 PBAP_SUPPORTED_FEATURES_X_BT_UID_VCARD_PROPERTY | 1135 PBAP_SUPPORTED_FEATURES_CONTACT_REFERENCING; 1136 pbap_client->state = PBAP_INIT; 1137 pbap_client->cid = 1; 1138 } 1139 1140 void pbap_client_init(void){ 1141 pbap_client_reset_state(); 1142 } 1143 1144 void pbap_client_deinit(void){ 1145 pbap_client_reset_state(); 1146 memset(pbap_client, 0, sizeof(pbap_client_t)); 1147 } 1148 1149 uint8_t pbap_connect(btstack_packet_handler_t handler, bd_addr_t addr, uint16_t * out_cid){ 1150 if (pbap_client->state != PBAP_INIT){ 1151 return BTSTACK_MEMORY_ALLOC_FAILED; 1152 } 1153 1154 pbap_client->state = PBAP_W4_GOEP_CONNECTION; 1155 pbap_client->client_handler = handler; 1156 pbap_client->vcard_selector = 0; 1157 pbap_client->vcard_selector_operator = PBAP_VCARD_SELECTOR_OPERATOR_OR; 1158 1159 uint8_t err = goep_client_create_connection(&pbap_packet_handler, addr, BLUETOOTH_SERVICE_CLASS_PHONEBOOK_ACCESS_PSE, &pbap_client->goep_cid); 1160 *out_cid = pbap_client->cid; 1161 if (err) return err; 1162 return ERROR_CODE_SUCCESS; 1163 } 1164 1165 uint8_t pbap_disconnect(uint16_t pbap_cid){ 1166 UNUSED(pbap_cid); 1167 if (pbap_client->state < PBAP_CONNECTED){ 1168 return BTSTACK_BUSY; 1169 } 1170 pbap_client->state = PBAP_W2_SEND_DISCONNECT_REQUEST; 1171 goep_client_request_can_send_now(pbap_client->goep_cid); 1172 return ERROR_CODE_SUCCESS; 1173 } 1174 1175 uint8_t pbap_get_phonebook_size(uint16_t pbap_cid, const char * path){ 1176 UNUSED(pbap_cid); 1177 if (pbap_client->state != PBAP_CONNECTED){ 1178 return BTSTACK_BUSY; 1179 } 1180 pbap_client->state = PBAP_W2_GET_PHONEBOOK_SIZE; 1181 pbap_client->phonebook_path = path; 1182 pbap_client->request_number = 0; 1183 goep_client_request_can_send_now(pbap_client->goep_cid); 1184 return ERROR_CODE_SUCCESS; 1185 } 1186 1187 uint8_t pbap_pull_phonebook(uint16_t pbap_cid, const char * path){ 1188 UNUSED(pbap_cid); 1189 if (pbap_client->state != PBAP_CONNECTED){ 1190 return BTSTACK_BUSY; 1191 } 1192 pbap_client->state = PBAP_W2_PULL_PHONEBOOK; 1193 pbap_client->phonebook_path = path; 1194 pbap_client->request_number = 0; 1195 goep_client_request_can_send_now(pbap_client->goep_cid); 1196 return ERROR_CODE_SUCCESS; 1197 } 1198 1199 uint8_t pbap_set_phonebook(uint16_t pbap_cid, const char * path){ 1200 UNUSED(pbap_cid); 1201 if (pbap_client->state != PBAP_CONNECTED){ 1202 return BTSTACK_BUSY; 1203 } 1204 pbap_client->state = PBAP_W2_SET_PATH_ROOT; 1205 pbap_client->current_folder = path; 1206 pbap_client->set_path_offset = 0; 1207 goep_client_request_can_send_now(pbap_client->goep_cid); 1208 return ERROR_CODE_SUCCESS; 1209 } 1210 1211 uint8_t pbap_authentication_password(uint16_t pbap_cid, const char * password){ 1212 UNUSED(pbap_cid); 1213 if (pbap_client->state != PBAP_W4_USER_AUTHENTICATION){ 1214 return BTSTACK_BUSY; 1215 } 1216 pbap_client->state = PBAP_W2_SEND_AUTHENTICATED_CONNECT; 1217 pbap_client->authentication_password = password; 1218 goep_client_request_can_send_now(pbap_client->goep_cid); 1219 return ERROR_CODE_SUCCESS; 1220 } 1221 1222 uint8_t pbap_pull_vcard_listing(uint16_t pbap_cid, const char * path){ 1223 UNUSED(pbap_cid); 1224 if (pbap_client->state != PBAP_CONNECTED){ 1225 return BTSTACK_BUSY; 1226 } 1227 pbap_client->state = PBAP_W2_GET_CARD_LIST; 1228 pbap_client->phonebook_path = path; 1229 pbap_client->phone_number = NULL; 1230 pbap_client->request_number = 0; 1231 pbap_client_vcard_listing_init_parser(pbap_client); 1232 goep_client_request_can_send_now(pbap_client->goep_cid); 1233 return ERROR_CODE_SUCCESS; 1234 } 1235 1236 uint8_t pbap_pull_vcard_entry(uint16_t pbap_cid, const char * path){ 1237 UNUSED(pbap_cid); 1238 if (pbap_client->state != PBAP_CONNECTED){ 1239 return BTSTACK_BUSY; 1240 } 1241 pbap_client->state = PBAP_W2_GET_CARD_ENTRY; 1242 // pbap_client->phonebook_path = NULL; 1243 // pbap_client->phone_number = NULL; 1244 pbap_client->vcard_name = path; 1245 pbap_client->request_number = 0; 1246 goep_client_request_can_send_now(pbap_client->goep_cid); 1247 return ERROR_CODE_SUCCESS; 1248 } 1249 1250 uint8_t pbap_lookup_by_number(uint16_t pbap_cid, const char * phone_number){ 1251 UNUSED(pbap_cid); 1252 if (pbap_client->state != PBAP_CONNECTED){ 1253 return BTSTACK_BUSY; 1254 } 1255 pbap_client->state = PBAP_W2_GET_CARD_LIST; 1256 pbap_client->phonebook_path = pbap_vcard_listing_name; 1257 pbap_client->phone_number = phone_number; 1258 pbap_client->request_number = 0; 1259 pbap_client_vcard_listing_init_parser(pbap_client); 1260 goep_client_request_can_send_now(pbap_client->goep_cid); 1261 return ERROR_CODE_SUCCESS; 1262 } 1263 1264 uint8_t pbap_abort(uint16_t pbap_cid){ 1265 UNUSED(pbap_cid); 1266 if (pbap_client->state < PBAP_CONNECTED){ 1267 return BTSTACK_BUSY; 1268 } 1269 log_info("abort current operation, state 0x%02x", pbap_client->state); 1270 pbap_client->abort_operation = 1; 1271 return ERROR_CODE_SUCCESS; 1272 } 1273 1274 uint8_t pbap_next_packet(uint16_t pbap_cid){ 1275 // log_info("pbap_next_packet, state %x", pbap_client->state); 1276 UNUSED(pbap_cid); 1277 if (!pbap_client->flow_control_enabled){ 1278 return ERROR_CODE_SUCCESS; 1279 } 1280 switch (pbap_client->state){ 1281 case PBAP_W2_PULL_PHONEBOOK: 1282 goep_client_request_can_send_now(pbap_client->goep_cid); 1283 break; 1284 case PBAP_W4_PHONEBOOK: 1285 pbap_client->flow_next_triggered = 1; 1286 break; 1287 default: 1288 break; 1289 } 1290 return ERROR_CODE_SUCCESS; 1291 } 1292 1293 uint8_t pbap_set_flow_control_mode(uint16_t pbap_cid, int enable){ 1294 UNUSED(pbap_cid); 1295 if (pbap_client->state != PBAP_CONNECTED){ 1296 return BTSTACK_BUSY; 1297 } 1298 pbap_client->flow_control_enabled = enable; 1299 return ERROR_CODE_SUCCESS; 1300 } 1301 1302 uint8_t pbap_set_vcard_selector(uint16_t pbap_cid, uint32_t vcard_selector){ 1303 UNUSED(pbap_cid); 1304 if (pbap_client->state != PBAP_CONNECTED){ 1305 return BTSTACK_BUSY; 1306 } 1307 pbap_client->vcard_selector = vcard_selector; 1308 return ERROR_CODE_SUCCESS; 1309 } 1310 1311 uint8_t pbap_set_vcard_selector_operator(uint16_t pbap_cid, int vcard_selector_operator){ 1312 UNUSED(pbap_cid); 1313 if (pbap_client->state != PBAP_CONNECTED){ 1314 return BTSTACK_BUSY; 1315 } 1316 pbap_client->vcard_selector_operator = vcard_selector_operator; 1317 return ERROR_CODE_SUCCESS; 1318 } 1319 1320 uint8_t pbap_set_property_selector(uint16_t pbap_cid, uint32_t property_selector){ 1321 UNUSED(pbap_cid); 1322 if (pbap_client->state != PBAP_CONNECTED){ 1323 return BTSTACK_BUSY; 1324 } 1325 pbap_client->property_selector = property_selector; 1326 return ERROR_CODE_SUCCESS; 1327 } 1328