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 57 #include "classic/obex.h" 58 #include "classic/obex_parser.h" 59 #include "classic/goep_client.h" 60 #include "classic/pbap.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 // used for MD5 73 static const uint8_t colon = (uint8_t) ':'; 74 75 static uint32_t pbap_client_supported_features; 76 77 static bool pbap_client_singleton_used; 78 79 static btstack_linked_list_t pbap_clients; 80 81 // emit events 82 static void pbap_client_emit_connected_event(pbap_client_t * context, uint8_t status){ 83 uint8_t event[15]; 84 int pos = 0; 85 event[pos++] = HCI_EVENT_PBAP_META; 86 pos++; // skip len 87 event[pos++] = PBAP_SUBEVENT_CONNECTION_OPENED; 88 little_endian_store_16(event,pos,context->goep_cid); 89 pos+=2; 90 event[pos++] = status; 91 (void)memcpy(&event[pos], context->bd_addr, 6); 92 pos += 6; 93 little_endian_store_16(event,pos,context->con_handle); 94 pos += 2; 95 event[pos++] = 0; 96 event[1] = pos - 2; 97 if (pos != sizeof(event)) log_error("goep_client_emit_connected_event size %u", pos); 98 context->client_handler(HCI_EVENT_PACKET, context->goep_cid, &event[0], pos); 99 } 100 101 static void pbap_client_emit_connection_closed_event(pbap_client_t * context){ 102 uint8_t event[5]; 103 int pos = 0; 104 event[pos++] = HCI_EVENT_PBAP_META; 105 pos++; // skip len 106 event[pos++] = PBAP_SUBEVENT_CONNECTION_CLOSED; 107 little_endian_store_16(event,pos,context->goep_cid); 108 pos+=2; 109 event[1] = pos - 2; 110 if (pos != sizeof(event)) log_error("pbap_client_emit_connection_closed_event size %u", pos); 111 context->client_handler(HCI_EVENT_PACKET, context->goep_cid, &event[0], pos); 112 } 113 114 static void pbap_client_emit_operation_complete_event(pbap_client_t * context, uint8_t status){ 115 uint8_t event[6]; 116 int pos = 0; 117 event[pos++] = HCI_EVENT_PBAP_META; 118 pos++; // skip len 119 event[pos++] = PBAP_SUBEVENT_OPERATION_COMPLETED; 120 little_endian_store_16(event,pos,context->goep_cid); 121 pos+=2; 122 event[pos++]= status; 123 event[1] = pos - 2; 124 if (pos != sizeof(event)) log_error("pbap_client_emit_can_send_now_event size %u", pos); 125 context->client_handler(HCI_EVENT_PACKET, context->goep_cid, &event[0], pos); 126 } 127 128 static void pbap_client_emit_phonebook_size_event(pbap_client_t * context, uint8_t status, uint16_t phonebook_size){ 129 uint8_t event[8]; 130 int pos = 0; 131 event[pos++] = HCI_EVENT_PBAP_META; 132 pos++; // skip len 133 event[pos++] = PBAP_SUBEVENT_PHONEBOOK_SIZE; 134 little_endian_store_16(event,pos,context->goep_cid); 135 pos+=2; 136 event[pos++] = status; 137 little_endian_store_16(event,pos, phonebook_size); 138 pos+=2; 139 event[1] = pos - 2; 140 if (pos != sizeof(event)) log_error("pbap_client_emit_phonebook_size_event size %u", pos); 141 context->client_handler(HCI_EVENT_PACKET, context->goep_cid, &event[0], pos); 142 } 143 144 static void pbap_client_emit_authentication_event(pbap_client_t * context, uint8_t options){ 145 // split options 146 uint8_t user_id_required = (options & 1) ? 1 : 0; 147 uint8_t full_access = (options & 2) ? 1 : 0; 148 149 uint8_t event[7]; 150 int pos = 0; 151 event[pos++] = HCI_EVENT_PBAP_META; 152 pos++; // skip len 153 event[pos++] = PBAP_SUBEVENT_AUTHENTICATION_REQUEST; 154 little_endian_store_16(event,pos,context->goep_cid); 155 pos+=2; 156 event[pos++] = user_id_required; 157 event[pos++] = full_access; 158 if (pos != sizeof(event)) log_error("pbap_client_emit_authentication_event size %u", pos); 159 context->client_handler(HCI_EVENT_PACKET, context->goep_cid, &event[0], pos); 160 } 161 162 static void pbap_client_emit_card_result_event(pbap_client_t * context, const char * name, const char * handle){ 163 uint8_t event[5 + PBAP_MAX_NAME_LEN + PBAP_MAX_HANDLE_LEN]; 164 int pos = 0; 165 event[pos++] = HCI_EVENT_PBAP_META; 166 pos++; // skip len 167 event[pos++] = PBAP_SUBEVENT_CARD_RESULT; 168 little_endian_store_16(event,pos,context->goep_cid); 169 pos+=2; 170 int name_len = btstack_min(PBAP_MAX_NAME_LEN, (uint16_t) strlen(name)); 171 event[pos++] = name_len; 172 (void)memcpy(&event[pos], name, name_len); 173 pos += name_len; 174 int handle_len = btstack_min(PBAP_MAX_HANDLE_LEN, (uint16_t) strlen(handle)); 175 event[pos++] = handle_len; 176 (void)memcpy(&event[pos], handle, handle_len); 177 pos += handle_len; 178 event[1] = pos - 2; 179 context->client_handler(HCI_EVENT_PACKET, context->goep_cid, &event[0], pos); 180 } 181 182 static pbap_client_t * pbap_client_for_cid(uint16_t cid){ 183 btstack_linked_list_iterator_t it; 184 btstack_linked_list_iterator_init(&it, &pbap_clients); 185 while (btstack_linked_list_iterator_has_next(&it)){ 186 pbap_client_t * client = (pbap_client_t *) btstack_linked_list_iterator_next(&it); 187 if (client->goep_cid == cid){ 188 return client; 189 } 190 } 191 return NULL; 192 } 193 194 static void pbap_client_finalize(pbap_client_t *client) { 195 client->state = PBAP_CLIENT_INIT; 196 btstack_linked_list_remove(&pbap_clients, (btstack_linked_item_t*) client); 197 } 198 199 static void pbap_client_vcard_listing_init_parser(pbap_client_t * client){ 200 yxml_init(&client->xml_parser, client->xml_buffer, sizeof(client->xml_buffer)); 201 client->parser_card_found = false; 202 client->parser_name_found = false; 203 client->parser_handle_found = false; 204 } 205 206 static void pbap_client_phonebook_size_parser_init(pbap_client_phonebook_size_parser_t * phonebook_size_parer){ 207 memset(phonebook_size_parer, 0, sizeof(pbap_client_phonebook_size_parser_t)); 208 } 209 210 static void pbap_client_phonebook_size_parser_process_data(pbap_client_phonebook_size_parser_t * phonebook_size_parser, const uint8_t * data_buffer, uint16_t data_len){ 211 while (data_len){ 212 uint16_t bytes_to_consume = 1; 213 switch(phonebook_size_parser->state){ 214 case PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_INVALID: 215 return; 216 case PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_TYPE: 217 phonebook_size_parser->type = *data_buffer; 218 phonebook_size_parser->state = PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_LEN; 219 break; 220 case PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_LEN: 221 phonebook_size_parser->len = *data_buffer; 222 phonebook_size_parser->state = PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_VALUE; 223 switch (phonebook_size_parser->type){ 224 case PBAP_APPLICATION_PARAMETER_PHONEBOOK_SIZE: 225 if (phonebook_size_parser->len != 2){ 226 phonebook_size_parser->state = PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_INVALID; 227 return; 228 } 229 break; 230 default: 231 break; 232 } 233 break; 234 case PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_VALUE: 235 bytes_to_consume = btstack_min(phonebook_size_parser->len - phonebook_size_parser->pos, data_len); 236 switch (phonebook_size_parser->type){ 237 case PBAP_APPLICATION_PARAMETER_PHONEBOOK_SIZE: 238 memcpy(&phonebook_size_parser->size_buffer[phonebook_size_parser->pos], data_buffer, bytes_to_consume); 239 break; 240 default: 241 // ignore data 242 break; 243 } 244 phonebook_size_parser->pos += bytes_to_consume; 245 if (phonebook_size_parser->pos == phonebook_size_parser->len){ 246 phonebook_size_parser->state = PBAP_CLIENT_PHONEBOOK_SIZE_PARSER_STATE_W4_TYPE; 247 switch (phonebook_size_parser->type){ 248 case PBAP_APPLICATION_PARAMETER_PHONEBOOK_SIZE: 249 phonebook_size_parser->have_size = true; 250 break; 251 default: 252 break; 253 } 254 } 255 break; 256 default: 257 break; 258 } 259 data_buffer += bytes_to_consume; 260 data_len -= bytes_to_consume; 261 } 262 } 263 264 static void obex_auth_parser_init(pbap_client_obex_auth_parser_t * auth_parser){ 265 memset(auth_parser, 0, sizeof(pbap_client_obex_auth_parser_t)); 266 } 267 268 static void obex_auth_parser_process_data(pbap_client_obex_auth_parser_t * auth_parser, const uint8_t * data_buffer, uint16_t data_len){ 269 while (data_len){ 270 uint16_t bytes_to_consume = 1; 271 switch(auth_parser->state){ 272 case OBEX_AUTH_PARSER_STATE_INVALID: 273 return; 274 case OBEX_AUTH_PARSER_STATE_W4_TYPE: 275 auth_parser->type = *data_buffer; 276 auth_parser->state = OBEX_AUTH_PARSER_STATE_W4_LEN; 277 break; 278 case OBEX_AUTH_PARSER_STATE_W4_LEN: 279 auth_parser->len = *data_buffer; 280 switch (auth_parser->type){ 281 case 0: 282 if (auth_parser->len != 0x10){ 283 auth_parser->state = OBEX_AUTH_PARSER_STATE_INVALID; 284 return; 285 } 286 break; 287 case 1: 288 if (auth_parser->len != 0x01){ 289 auth_parser->state = OBEX_AUTH_PARSER_STATE_INVALID; 290 return; 291 } 292 break; 293 case 2: 294 // TODO: handle charset 295 // charset_code = challenge_data[i]; 296 break; 297 default: 298 break; 299 } 300 auth_parser->state = OBEX_AUTH_PARSER_STATE_W4_VALUE; 301 break; 302 case OBEX_AUTH_PARSER_STATE_W4_VALUE: 303 bytes_to_consume = btstack_min(auth_parser->len - auth_parser->pos, data_len); 304 switch (auth_parser->type){ 305 case 0: 306 memcpy(&auth_parser->authentication_nonce[auth_parser->pos], data_buffer, bytes_to_consume); 307 break; 308 case 1: 309 auth_parser->authentication_options = *data_buffer; 310 break; 311 default: 312 // ignore 313 break; 314 } 315 auth_parser->pos += bytes_to_consume; 316 if (auth_parser->pos == auth_parser->len){ 317 auth_parser->state = OBEX_AUTH_PARSER_STATE_W4_TYPE; 318 } 319 break; 320 default: 321 btstack_unreachable(); 322 break; 323 } 324 data_buffer += bytes_to_consume; 325 data_len -= bytes_to_consume; 326 } 327 } 328 329 static void obex_srm_init(pbap_client_obex_srm_t * obex_srm){ 330 obex_srm->srm_value = OBEX_SRM_DISABLE; 331 obex_srm->srmp_value = OBEX_SRMP_NEXT; 332 } 333 334 static void pbap_client_yml_append_character(yxml_t * xml_parser, char * buffer, uint16_t buffer_size){ 335 // "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." 336 uint16_t char_len = (uint16_t) strlen(xml_parser->data); 337 btstack_assert(char_len <= 4); 338 uint16_t dest_len = (uint16_t) strlen(buffer); 339 uint16_t zero_pos = dest_len + char_len; 340 if (zero_pos >= buffer_size) return; 341 memcpy(&buffer[dest_len], xml_parser->data, char_len); 342 buffer[zero_pos] = '\0'; 343 } 344 345 static void pbap_client_process_vcard_list_body(pbap_client_t *client, const uint8_t *data, uint16_t data_len) { 346 347 while (data_len--) { 348 yxml_ret_t r = yxml_parse(&client->xml_parser, *data++); 349 switch (r) { 350 case YXML_ELEMSTART: 351 client->parser_card_found = strcmp("card", client->xml_parser.elem) == 0; 352 break; 353 case YXML_ELEMEND: 354 if (client->parser_card_found) { 355 pbap_client_emit_card_result_event(client, client->parser_name, 356 client->parser_handle); 357 } 358 client->parser_card_found = false; 359 break; 360 case YXML_ATTRSTART: 361 if (!client->parser_card_found) break; 362 if (strcmp("name", client->xml_parser.attr) == 0) { 363 client->parser_name_found = true; 364 client->parser_name[0] = 0; 365 break; 366 } 367 if (strcmp("handle", client->xml_parser.attr) == 0) { 368 client->parser_handle_found = true; 369 client->parser_handle[0] = 0; 370 break; 371 } 372 break; 373 case YXML_ATTRVAL: 374 if (client->parser_name_found) { 375 pbap_client_yml_append_character(&client->xml_parser, 376 client->parser_name, 377 sizeof(client->parser_name)); 378 break; 379 } 380 if (client->parser_handle_found) { 381 pbap_client_yml_append_character(&client->xml_parser, 382 client->parser_handle, 383 sizeof(client->parser_handle)); 384 break; 385 } 386 break; 387 case YXML_ATTREND: 388 client->parser_name_found = false; 389 client->parser_handle_found = false; 390 break; 391 default: 392 break; 393 } 394 } 395 } 396 397 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){ 398 pbap_client_t * client = (pbap_client_t *) user_data; 399 switch (header_id){ 400 case OBEX_HEADER_CONNECTION_ID: 401 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){ 402 goep_client_set_connection_id(client->goep_cid, big_endian_read_32(client->obex_header_buffer, 0)); 403 } 404 break; 405 case OBEX_HEADER_AUTHENTICATION_CHALLENGE: 406 obex_auth_parser_process_data(&client->obex_auth_parser, data_buffer, data_len); 407 break; 408 default: 409 break; 410 } 411 } 412 413 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){ 414 UNUSED(total_len); 415 UNUSED(data_offset); 416 pbap_client_t *client = (pbap_client_t *) user_data; 417 switch (header_id) { 418 case OBEX_HEADER_APPLICATION_PARAMETERS: 419 pbap_client_phonebook_size_parser_process_data(&client->phonebook_size_parser, data_buffer, data_len); 420 break; 421 default: 422 break; 423 } 424 } 425 426 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){ 427 pbap_client_t *client = (pbap_client_t *) user_data; 428 switch (header_id) { 429 case OBEX_HEADER_SINGLE_RESPONSE_MODE: 430 obex_parser_header_store(&client->obex_srm.srm_value, 1, total_len, data_offset, data_buffer, data_len); 431 break; 432 case OBEX_HEADER_SINGLE_RESPONSE_MODE_PARAMETER: 433 obex_parser_header_store(&client->obex_srm.srmp_value, 1, total_len, data_offset, data_buffer, data_len); 434 break; 435 case OBEX_HEADER_BODY: 436 case OBEX_HEADER_END_OF_BODY: 437 switch(client->state){ 438 case PBAP_CLIENT_W4_PHONEBOOK: 439 case PBAP_CLIENT_W4_GET_CARD_ENTRY_COMPLETE: 440 client->client_handler(PBAP_DATA_PACKET, client->goep_cid, (uint8_t *) data_buffer, data_len); 441 if (data_offset + data_len == total_len){ 442 client->flow_wait_for_user = true; 443 } 444 break; 445 case PBAP_CLIENT_W4_GET_CARD_LIST_COMPLETE: 446 pbap_client_process_vcard_list_body(client, data_buffer, data_len); 447 break; 448 default: 449 btstack_unreachable(); 450 break; 451 } 452 break; 453 default: 454 // ignore other headers 455 break; 456 } 457 } 458 459 static uint16_t pbap_client_application_params_add_vcard_selector(const pbap_client_t * client, uint8_t * application_parameters){ 460 uint16_t pos = 0; 461 if (client->vcard_selector_supported){ 462 // vCard Selector 463 if (client->vcard_selector){ 464 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_VCARD_SELECTOR; 465 application_parameters[pos++] = 8; 466 memset(&application_parameters[pos], 0, 4); 467 pos += 4; 468 big_endian_store_32(application_parameters, pos, client->vcard_selector); 469 pos += 4; 470 } 471 // vCard Selector Operator 472 if (client->vcard_selector_operator != PBAP_VCARD_SELECTOR_OPERATOR_OR){ 473 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_VCARD_SELECTOR_OPERATOR; 474 application_parameters[pos++] = 1; 475 application_parameters[pos++] = client->vcard_selector_operator; 476 } 477 } 478 return pos; 479 } 480 481 static uint16_t pbap_client_application_params_add_max_list_count(const pbap_client_t * client, uint8_t * application_parameters, uint16_t max_count){ 482 UNUSED(client); 483 uint16_t pos = 0; 484 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_MAX_LIST_COUNT; 485 application_parameters[pos++] = 2; 486 big_endian_store_16(application_parameters, 2, max_count); 487 pos += 2; 488 return pos; 489 } 490 491 static uint16_t pbap_client_application_params_add_list_start_offset(const pbap_client_t * client, uint8_t * application_parameters, uint16_t list_start_offset){ 492 uint16_t pos = 0; 493 if (client->list_start_offset != 0){ 494 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_LIST_START_OFFSET; 495 application_parameters[pos++] = 2; 496 big_endian_store_16(application_parameters, 2, list_start_offset); 497 pos += 2; 498 } 499 return pos; 500 } 501 502 // max size: PBAP_MAX_PHONE_NUMBER_LEN + 5 503 static uint16_t pbap_client_application_params_add_phone_number(const pbap_client_t * client, uint8_t * application_parameters){ 504 uint16_t pos = 0; 505 if (client->phone_number){ 506 // Search by phone number 507 uint16_t phone_number_len = btstack_min(PBAP_MAX_PHONE_NUMBER_LEN, (uint16_t) strlen(client->phone_number)); 508 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_SEARCH_VALUE; 509 btstack_assert(phone_number_len <= 255); 510 application_parameters[pos++] = (uint8_t) phone_number_len; 511 (void)memcpy(&application_parameters[pos], 512 client->phone_number, phone_number_len); 513 pos += phone_number_len; 514 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_SEARCH_PROPERTY; 515 application_parameters[pos++] = 1; 516 application_parameters[pos++] = 0x01; // Number 517 } 518 return pos; 519 } 520 521 static uint16_t pbap_client_application_params_add_property_selector(const pbap_client_t * client, uint8_t * application_parameters){ 522 // TODO: support format 523 uint16_t pos = 0; 524 uint32_t property_selector_lower = client->property_selector; 525 if (client->vcard_name != NULL){ 526 if (strncmp(client->vcard_name, "X-BT-UID:", 9) == 0) { 527 property_selector_lower |= 1U << 31; 528 } 529 if (strncmp(client->vcard_name, "X-BT-UCI:", 9) == 0) { 530 property_selector_lower |= 1U << 30; 531 } 532 } 533 if (property_selector_lower != 0){ 534 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_PROPERTY_SELECTOR; 535 application_parameters[pos++] = 8; 536 big_endian_store_32(application_parameters, pos, 0); // upper 32-bits are reserved/unused so far 537 pos += 4; 538 big_endian_store_32(application_parameters, pos, property_selector_lower); 539 pos += 4; 540 } 541 return pos; 542 } 543 544 // Mandatory if the PSE advertises a PbapSupportedFeatures attribute in its SDP record, else excluded. 545 static uint16_t pbap_client_application_parameters_add_supported_features(const pbap_client_t * client, uint8_t *application_parameters) { 546 uint16_t pos = 0; 547 if (goep_client_get_pbap_supported_features(client->goep_cid) != PBAP_FEATURES_NOT_PRESENT){ 548 application_parameters[pos++] = PBAP_APPLICATION_PARAMETER_PBAP_SUPPORTED_FEATURES; 549 application_parameters[pos++] = 4; 550 big_endian_store_32(application_parameters, 2, pbap_client_supported_features); 551 pos += 4; 552 } 553 return pos; 554 } 555 556 static void pbap_client_add_application_parameters(const pbap_client_t * client, uint8_t * application_parameters, uint16_t len){ 557 if (len > 0){ 558 goep_client_header_add_application_parameters(client->goep_cid, &application_parameters[0], len); 559 } 560 } 561 562 static void pbap_client_prepare_srm_header(pbap_client_t * client){ 563 if (!client->flow_control_enabled && goep_client_version_20_or_higher(client->goep_cid)){ 564 goep_client_header_add_srm_enable(client->goep_cid); 565 client->obex_srm.srm_state = PBAP_CLIENT_SRM_W4_CONFIRM; 566 } 567 } 568 569 static void pbap_client_prepare_get_operation(pbap_client_t * client){ 570 obex_parser_init_for_response(&client->obex_parser, OBEX_OPCODE_GET, pbap_client_parser_callback_get_operation, client); 571 obex_srm_init(&client->obex_srm); 572 client->obex_parser_waiting_for_response = true; 573 } 574 575 static void pbap_handle_can_send_now(pbap_client_t *pbap_client) { 576 uint16_t path_element_start; 577 uint16_t path_element_len; 578 const char * path_element; 579 uint8_t application_parameters[PBAP_MAX_PHONE_NUMBER_LEN + 10]; 580 uint8_t challenge_response[36]; 581 uint16_t pos; 582 583 MD5_CTX md5_ctx; 584 585 if (pbap_client->abort_operation){ 586 pbap_client->abort_operation = 0; 587 // prepare request 588 goep_client_request_create_abort(pbap_client->goep_cid); 589 // state 590 pbap_client->state = PBAP_CLIENT_W4_ABORT_COMPLETE; 591 // prepare response 592 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_ABORT, NULL, pbap_client); 593 obex_srm_init(&pbap_client->obex_srm); 594 pbap_client->obex_parser_waiting_for_response = true; 595 // send packet 596 goep_client_execute(pbap_client->goep_cid); 597 return; 598 } 599 600 switch (pbap_client->state){ 601 case PBAP_CLIENT_W2_SEND_CONNECT_REQUEST: 602 // prepare request 603 goep_client_request_create_connect(pbap_client->goep_cid, OBEX_VERSION, 0, OBEX_MAX_PACKETLEN_DEFAULT); 604 goep_client_header_add_target(pbap_client->goep_cid, pbap_uuid, 16); 605 pos = 0; 606 pos += pbap_client_application_parameters_add_supported_features(pbap_client, &application_parameters[pos]); 607 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 608 // state 609 pbap_client->state = PBAP_CLIENT_W4_CONNECT_RESPONSE; 610 // prepare response 611 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_CONNECT, pbap_client_parser_callback_connect, pbap_client); 612 obex_auth_parser_init(&pbap_client->obex_auth_parser); 613 obex_srm_init(&pbap_client->obex_srm); 614 pbap_client->obex_parser_waiting_for_response = true; 615 // send packet 616 goep_client_execute(pbap_client->goep_cid); 617 break; 618 case PBAP_CLIENT_W2_SEND_AUTHENTICATED_CONNECT: 619 // prepare request 620 goep_client_request_create_connect(pbap_client->goep_cid, OBEX_VERSION, 0, OBEX_MAX_PACKETLEN_DEFAULT); 621 goep_client_header_add_target(pbap_client->goep_cid, pbap_uuid, 16); 622 // setup authentication challenge response 623 pos = 0; 624 challenge_response[pos++] = 0; // Tag Digest 625 challenge_response[pos++] = 16; // Len 626 // calculate md5 627 MD5_Init(&md5_ctx); 628 MD5_Update(&md5_ctx, pbap_client->obex_auth_parser.authentication_nonce, 16); 629 MD5_Update(&md5_ctx, &colon, 1); 630 MD5_Update(&md5_ctx, pbap_client->authentication_password, (uint16_t) strlen(pbap_client->authentication_password)); 631 MD5_Final(&challenge_response[pos], &md5_ctx); 632 pos += 16; 633 challenge_response[pos++] = 2; // Tag Nonce 634 challenge_response[pos++] = 16; // Len 635 (void)memcpy(&challenge_response[pos], pbap_client->obex_auth_parser.authentication_nonce, 16); 636 pos += 16; 637 goep_client_header_add_challenge_response(pbap_client->goep_cid, challenge_response, pos); 638 // state 639 pbap_client->state = PBAP_CLIENT_W4_CONNECT_RESPONSE; 640 // prepare response 641 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_CONNECT, pbap_client_parser_callback_connect, pbap_client); 642 obex_srm_init(&pbap_client->obex_srm); 643 pbap_client->obex_parser_waiting_for_response = true; 644 // send packet 645 goep_client_execute(pbap_client->goep_cid); 646 break; 647 case PBAP_CLIENT_W2_SEND_DISCONNECT_REQUEST: 648 // prepare request 649 goep_client_request_create_disconnect(pbap_client->goep_cid); 650 // state 651 pbap_client->state = PBAP_CLIENT_W4_DISCONNECT_RESPONSE; 652 // prepare response 653 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_DISCONNECT, NULL, pbap_client); 654 obex_srm_init(&pbap_client->obex_srm); 655 pbap_client->obex_parser_waiting_for_response = true; 656 // send packet 657 goep_client_execute(pbap_client->goep_cid); 658 return; 659 case PBAP_CLIENT_W2_GET_PHONEBOOK_SIZE: 660 // prepare request 661 goep_client_request_create_get(pbap_client->goep_cid); 662 pbap_client_prepare_srm_header(pbap_client); 663 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->phonebook_path); 664 goep_client_header_add_type(pbap_client->goep_cid, pbap_phonebook_type); 665 666 pos = 0; 667 pos += pbap_client_application_params_add_vcard_selector(pbap_client, &application_parameters[pos]); 668 // just get size 669 pos += pbap_client_application_params_add_max_list_count(pbap_client, &application_parameters[pos], 0); 670 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 671 672 // state 673 pbap_client->state = PBAP_CLIENT_W4_GET_PHONEBOOK_SIZE_COMPLETE; 674 // prepare response 675 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_GET, pbap_client_parser_callback_get_phonebook_size, pbap_client); 676 obex_srm_init(&pbap_client->obex_srm); 677 pbap_client_phonebook_size_parser_init(&pbap_client->phonebook_size_parser); 678 pbap_client->obex_parser_waiting_for_response = true; 679 // send packet 680 goep_client_execute(pbap_client->goep_cid); 681 break; 682 case PBAP_CLIENT_W2_PULL_PHONEBOOK: 683 // prepare request 684 goep_client_request_create_get(pbap_client->goep_cid); 685 if (pbap_client->request_number == 0){ 686 pbap_client_prepare_srm_header(pbap_client); 687 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->phonebook_path); 688 goep_client_header_add_type(pbap_client->goep_cid, pbap_phonebook_type); 689 690 pos = 0; 691 pos += pbap_client_application_params_add_property_selector(pbap_client, &application_parameters[pos]); 692 if (pbap_client->max_list_count){ 693 pos += pbap_client_application_params_add_max_list_count(pbap_client, &application_parameters[pos], pbap_client->max_list_count); 694 } 695 pos += pbap_client_application_params_add_list_start_offset (pbap_client, &application_parameters[pos], pbap_client->list_start_offset); 696 pos += pbap_client_application_params_add_vcard_selector(pbap_client, &application_parameters[pos]); 697 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 698 } 699 // state 700 pbap_client->state = PBAP_CLIENT_W4_PHONEBOOK; 701 pbap_client->flow_next_triggered = 0; 702 pbap_client->flow_wait_for_user = 0; 703 // prepare response 704 pbap_client_prepare_get_operation(pbap_client); 705 // send packet 706 pbap_client->request_number++; 707 goep_client_execute(pbap_client->goep_cid); 708 break; 709 case PBAP_CLIENT_W2_GET_CARD_LIST: 710 // prepare request 711 goep_client_request_create_get(pbap_client->goep_cid); 712 if (pbap_client->request_number == 0){ 713 pbap_client_prepare_srm_header(pbap_client); 714 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->phonebook_path); 715 goep_client_header_add_type(pbap_client->goep_cid, pbap_vcard_listing_type); 716 717 pos = 0; 718 pos += pbap_client_application_params_add_vcard_selector(pbap_client, &application_parameters[pos]); 719 pos += pbap_client_application_params_add_phone_number(pbap_client, &application_parameters[pos]); 720 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 721 } 722 // state 723 pbap_client->state = PBAP_CLIENT_W4_GET_CARD_LIST_COMPLETE; 724 // prepare response 725 pbap_client_prepare_get_operation(pbap_client); 726 // send packet 727 pbap_client->request_number++; 728 goep_client_execute(pbap_client->goep_cid); 729 break; 730 case PBAP_CLIENT_W2_GET_CARD_ENTRY: 731 // prepare request 732 goep_client_request_create_get(pbap_client->goep_cid); 733 if (pbap_client->request_number == 0){ 734 pbap_client_prepare_srm_header(pbap_client); 735 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->vcard_name); 736 goep_client_header_add_type(pbap_client->goep_cid, pbap_vcard_entry_type); 737 738 pos = 0; 739 pos += pbap_client_application_params_add_property_selector(pbap_client, &application_parameters[pos]); 740 pbap_client_add_application_parameters(pbap_client, application_parameters, pos); 741 } 742 // state 743 pbap_client->state = PBAP_CLIENT_W4_GET_CARD_ENTRY_COMPLETE; 744 // prepare response 745 pbap_client_prepare_get_operation(pbap_client); 746 // send packet 747 pbap_client->request_number++; 748 goep_client_execute(pbap_client->goep_cid); 749 break; 750 case PBAP_CLIENT_W2_SET_PATH_ROOT: 751 // prepare request 752 goep_client_request_create_set_path(pbap_client->goep_cid, 1 << 1); // Don’t create directory 753 goep_client_header_add_name(pbap_client->goep_cid, ""); 754 // state 755 pbap_client->state = PBAP_CLIENT_W4_SET_PATH_ROOT_COMPLETE; 756 // prepare response 757 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_SETPATH, NULL, pbap_client); 758 obex_srm_init(&pbap_client->obex_srm); 759 pbap_client->obex_parser_waiting_for_response = true; 760 // send packet 761 goep_client_execute(pbap_client->goep_cid); 762 break; 763 case PBAP_CLIENT_W2_SET_PATH_ELEMENT: 764 // prepare request 765 // find '/' or '\0' 766 path_element_start = pbap_client->set_path_offset; 767 while ((pbap_client->current_folder[pbap_client->set_path_offset] != '\0') && 768 (pbap_client->current_folder[pbap_client->set_path_offset] != '/')){ 769 pbap_client->set_path_offset++; 770 } 771 path_element_len = pbap_client->set_path_offset-path_element_start; 772 path_element = (const char *) &pbap_client->current_folder[path_element_start]; 773 774 // skip / 775 if (pbap_client->current_folder[pbap_client->set_path_offset] == '/'){ 776 pbap_client->set_path_offset++; 777 } 778 779 goep_client_request_create_set_path(pbap_client->goep_cid, 1 << 1); // Don’t create directory 780 goep_client_header_add_name_prefix(pbap_client->goep_cid, path_element, path_element_len); // next element 781 // state 782 pbap_client->state = PBAP_CLIENT_W4_SET_PATH_ELEMENT_COMPLETE; 783 // prepare response 784 obex_parser_init_for_response(&pbap_client->obex_parser, OBEX_OPCODE_SETPATH, NULL, pbap_client); 785 obex_srm_init(&pbap_client->obex_srm); 786 pbap_client->obex_parser_waiting_for_response = true; 787 // send packet 788 goep_client_execute(pbap_client->goep_cid); 789 break; 790 default: 791 break; 792 } 793 } 794 795 static void pbap_client_handle_srm_headers(pbap_client_t *client) { 796 pbap_client_obex_srm_t * obex_srm = &client->obex_srm; 797 // Update SRM state based on SRM headers 798 switch (obex_srm->srm_state){ 799 case PBAP_CLIENT_SRM_W4_CONFIRM: 800 switch (obex_srm->srm_value){ 801 case OBEX_SRM_ENABLE: 802 switch (obex_srm->srmp_value){ 803 case OBEX_SRMP_WAIT: 804 obex_srm->srm_state = PBAP_CLIENT_SRM_ENABLED_BUT_WAITING; 805 break; 806 default: 807 obex_srm->srm_state = PBAP_CLIENT_SRM_ENABLED; 808 break; 809 } 810 break; 811 default: 812 obex_srm->srm_state = PBAP_CLIENT_SRM_DISABLED; 813 break; 814 } 815 break; 816 case PBAP_CLIENT_SRM_ENABLED_BUT_WAITING: 817 switch (obex_srm->srmp_value){ 818 case OBEX_SRMP_WAIT: 819 obex_srm->srm_state = PBAP_CLIENT_SRM_ENABLED_BUT_WAITING; 820 break; 821 default: 822 obex_srm->srm_state = PBAP_CLIENT_SRM_ENABLED; 823 break; 824 } 825 break; 826 default: 827 break; 828 } 829 log_info("SRM state %u", obex_srm->srm_state); 830 } 831 832 static void pbap_packet_handler_hci(uint8_t *packet, uint16_t size){ 833 UNUSED(size); 834 uint8_t status; 835 836 pbap_client_t * client; 837 838 switch (hci_event_packet_get_type(packet)) { 839 case HCI_EVENT_GOEP_META: 840 switch (hci_event_goep_meta_get_subevent_code(packet)){ 841 case GOEP_SUBEVENT_CONNECTION_OPENED: 842 client = pbap_client_for_cid(goep_subevent_connection_opened_get_goep_cid(packet)); 843 btstack_assert(client != NULL); 844 status = goep_subevent_connection_opened_get_status(packet); 845 goep_subevent_connection_opened_get_bd_addr(packet, client->bd_addr); 846 if (status){ 847 log_info("pbap: connection failed %u", status); 848 pbap_client_finalize(client); 849 pbap_client_emit_connected_event(client, status); 850 } else { 851 log_info("pbap: connection established"); 852 client->con_handle = goep_subevent_connection_opened_get_con_handle(packet); 853 client->state = PBAP_CLIENT_W2_SEND_CONNECT_REQUEST; 854 goep_client_request_can_send_now(client->goep_cid); 855 } 856 break; 857 case GOEP_SUBEVENT_CONNECTION_CLOSED: 858 client = pbap_client_for_cid(goep_subevent_connection_closed_get_goep_cid(packet)); 859 btstack_assert(client != NULL); 860 if (client->state > PBAP_CLIENT_CONNECTED){ 861 pbap_client_emit_operation_complete_event(client, OBEX_DISCONNECTED); 862 } 863 pbap_client_finalize(client); 864 pbap_client_emit_connection_closed_event(client); 865 break; 866 case GOEP_SUBEVENT_CAN_SEND_NOW: 867 client = pbap_client_for_cid(goep_subevent_can_send_now_get_goep_cid(packet)); 868 btstack_assert(client != NULL); 869 pbap_handle_can_send_now(client); 870 break; 871 default: 872 break; 873 } 874 break; 875 default: 876 break; 877 } 878 } 879 880 static void pbap_packet_handler_goep(pbap_client_t *client, uint8_t *packet, uint16_t size) { 881 882 if (client->obex_parser_waiting_for_response == false) return; 883 884 obex_parser_object_state_t parser_state; 885 parser_state = obex_parser_process_data(&client->obex_parser, packet, size); 886 if (parser_state == OBEX_PARSER_OBJECT_STATE_COMPLETE){ 887 client->obex_parser_waiting_for_response = false; 888 obex_parser_operation_info_t op_info; 889 obex_parser_get_operation_info(&client->obex_parser, &op_info); 890 switch (client->state){ 891 case PBAP_CLIENT_W4_CONNECT_RESPONSE: 892 switch (op_info.response_code) { 893 case OBEX_RESP_SUCCESS: 894 client->state = PBAP_CLIENT_CONNECTED; 895 client->vcard_selector_supported = pbap_client_supported_features & goep_client_get_pbap_supported_features(client->goep_cid) & PBAP_SUPPORTED_FEATURES_VCARD_SELECTING; 896 pbap_client_emit_connected_event(client, ERROR_CODE_SUCCESS); 897 break; 898 case OBEX_RESP_UNAUTHORIZED: 899 client->state = PBAP_CLIENT_W4_USER_AUTHENTICATION; 900 pbap_client_emit_authentication_event(client, client->obex_auth_parser.authentication_options); 901 break; 902 default: 903 log_info("pbap: obex connect failed, result 0x%02x", packet[0]); 904 client->state = PBAP_CLIENT_INIT; 905 pbap_client_emit_connected_event(client, OBEX_CONNECT_FAILED); 906 break; 907 } 908 break; 909 case PBAP_CLIENT_W4_DISCONNECT_RESPONSE: 910 client->state = PBAP_CLIENT_CONNECTED; 911 goep_client_disconnect(client->goep_cid); 912 break; 913 case PBAP_CLIENT_W4_SET_PATH_ROOT_COMPLETE: 914 case PBAP_CLIENT_W4_SET_PATH_ELEMENT_COMPLETE: 915 switch (op_info.response_code) { 916 case OBEX_RESP_SUCCESS: 917 // more path? 918 if (client->current_folder[client->set_path_offset]) { 919 client->state = PBAP_CLIENT_W2_SET_PATH_ELEMENT; 920 goep_client_request_can_send_now(client->goep_cid); 921 } else { 922 client->current_folder = NULL; 923 client->state = PBAP_CLIENT_CONNECTED; 924 pbap_client_emit_operation_complete_event(client, ERROR_CODE_SUCCESS); 925 } 926 break; 927 case OBEX_RESP_NOT_FOUND: 928 client->state = PBAP_CLIENT_CONNECTED; 929 pbap_client_emit_operation_complete_event(client, OBEX_NOT_FOUND); 930 break; 931 default: 932 client->state = PBAP_CLIENT_CONNECTED; 933 pbap_client_emit_operation_complete_event(client, OBEX_UNKNOWN_ERROR); 934 break; 935 } 936 break; 937 case PBAP_CLIENT_W4_PHONEBOOK: 938 switch (op_info.response_code) { 939 case OBEX_RESP_CONTINUE: 940 pbap_client_handle_srm_headers(client); 941 if (client->obex_srm.srm_state == PBAP_CLIENT_SRM_ENABLED) { 942 // prepare response 943 pbap_client_prepare_get_operation(client); 944 break; 945 } 946 client->state = PBAP_CLIENT_W2_PULL_PHONEBOOK; 947 if (!client->flow_control_enabled || !client->flow_wait_for_user || 948 client->flow_next_triggered) { 949 goep_client_request_can_send_now(client->goep_cid); 950 } 951 break; 952 case OBEX_RESP_SUCCESS: 953 client->state = PBAP_CLIENT_CONNECTED; 954 pbap_client_emit_operation_complete_event(client, ERROR_CODE_SUCCESS); 955 break; 956 default: 957 log_info("unexpected response 0x%02x", packet[0]); 958 client->state = PBAP_CLIENT_CONNECTED; 959 pbap_client_emit_operation_complete_event(client, OBEX_UNKNOWN_ERROR); 960 break; 961 } 962 break; 963 case PBAP_CLIENT_W4_GET_PHONEBOOK_SIZE_COMPLETE: 964 switch (op_info.response_code) { 965 case OBEX_RESP_SUCCESS: 966 if (client->phonebook_size_parser.have_size) { 967 uint16_t phonebook_size = big_endian_read_16(client->phonebook_size_parser.size_buffer, 0); 968 client->state = PBAP_CLIENT_CONNECTED; 969 pbap_client_emit_phonebook_size_event(client, 0, phonebook_size); 970 break; 971 } 972 /* fall through */ 973 default: 974 client->state = PBAP_CLIENT_CONNECTED; 975 pbap_client_emit_phonebook_size_event(client, OBEX_UNKNOWN_ERROR, 0); 976 break; 977 } 978 break; 979 case PBAP_CLIENT_W4_GET_CARD_LIST_COMPLETE: 980 switch (op_info.response_code) { 981 case OBEX_RESP_CONTINUE: 982 // handle continue 983 pbap_client_handle_srm_headers(client); 984 if (client->obex_srm.srm_state == PBAP_CLIENT_SRM_ENABLED) { 985 // prepare response 986 pbap_client_prepare_get_operation(client); 987 break; 988 } 989 client->state = PBAP_CLIENT_W2_GET_CARD_LIST; 990 goep_client_request_can_send_now(client->goep_cid); 991 break; 992 case OBEX_RESP_SUCCESS: 993 // done 994 client->state = PBAP_CLIENT_CONNECTED; 995 pbap_client_emit_operation_complete_event(client, ERROR_CODE_SUCCESS); 996 break; 997 case OBEX_RESP_NOT_ACCEPTABLE: 998 client->state = PBAP_CLIENT_CONNECTED; 999 pbap_client_emit_operation_complete_event(client, OBEX_NOT_ACCEPTABLE); 1000 break; 1001 default: 1002 log_info("unexpected response 0x%02x", packet[0]); 1003 client->state = PBAP_CLIENT_CONNECTED; 1004 pbap_client_emit_operation_complete_event(client, OBEX_UNKNOWN_ERROR); 1005 break; 1006 } 1007 break; 1008 case PBAP_CLIENT_W4_GET_CARD_ENTRY_COMPLETE: 1009 switch (op_info.response_code) { 1010 case OBEX_RESP_CONTINUE: 1011 pbap_client_handle_srm_headers(client); 1012 if (client->obex_srm.srm_state == PBAP_CLIENT_SRM_ENABLED) { 1013 // prepare response 1014 pbap_client_prepare_get_operation(client); 1015 break; 1016 } 1017 client->state = PBAP_CLIENT_W2_GET_CARD_ENTRY; 1018 goep_client_request_can_send_now(client->goep_cid); 1019 break; 1020 case OBEX_RESP_SUCCESS: 1021 client->state = PBAP_CLIENT_CONNECTED; 1022 pbap_client_emit_operation_complete_event(client, ERROR_CODE_SUCCESS); 1023 break; 1024 case OBEX_RESP_NOT_ACCEPTABLE: 1025 client->state = PBAP_CLIENT_CONNECTED; 1026 pbap_client_emit_operation_complete_event(client, OBEX_NOT_ACCEPTABLE); 1027 break; 1028 default: 1029 log_info("unexpected response 0x%02x", packet[0]); 1030 client->state = PBAP_CLIENT_CONNECTED; 1031 pbap_client_emit_operation_complete_event(client, OBEX_UNKNOWN_ERROR); 1032 break; 1033 } 1034 break; 1035 case PBAP_CLIENT_W4_ABORT_COMPLETE: 1036 client->state = PBAP_CLIENT_CONNECTED; 1037 pbap_client_emit_operation_complete_event(client, OBEX_ABORTED); 1038 break; 1039 default: 1040 btstack_unreachable(); 1041 break; 1042 } 1043 } 1044 } 1045 1046 static void pbap_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 1047 UNUSED(channel); // ok: there is no channel 1048 UNUSED(size); // ok: handling own geop events 1049 1050 pbap_client_t * client; 1051 1052 switch (packet_type){ 1053 case HCI_EVENT_PACKET: 1054 pbap_packet_handler_hci(packet, size); 1055 break; 1056 case GOEP_DATA_PACKET: 1057 client = pbap_client_for_cid(channel); 1058 btstack_assert(client != NULL); 1059 pbap_packet_handler_goep(client, packet, size); 1060 break; 1061 default: 1062 break; 1063 } 1064 } 1065 1066 void pbap_client_init(void){ 1067 pbap_client_supported_features = 1068 PBAP_SUPPORTED_FEATURES_DOWNLOAD | 1069 PBAP_SUPPORTED_FEATURES_BROWSING | 1070 PBAP_SUPPORTED_FEATURES_DATABASE_IDENTIFIER | 1071 PBAP_SUPPORTED_FEATURES_FOLDER_VERSION_COUNTERS | 1072 PBAP_SUPPORTED_FEATURES_VCARD_SELECTING | 1073 PBAP_SUPPORTED_FEATURES_ENHANCED_MISSED_CALLS | 1074 PBAP_SUPPORTED_FEATURES_DEFAULT_CONTACT_IMAGE_FORMAT | 1075 PBAP_SUPPORTED_FEATURES_X_BT_UCI_VCARD_PROPERTY | 1076 PBAP_SUPPORTED_FEATURES_X_BT_UID_VCARD_PROPERTY | 1077 PBAP_SUPPORTED_FEATURES_CONTACT_REFERENCING; 1078 1079 pbap_client_singleton_used = false; 1080 } 1081 1082 void pbap_client_deinit(void){ 1083 } 1084 1085 uint8_t pbap_client_connect(pbap_client_t * client, l2cap_ertm_config_t *l2cap_ertm_config, uint8_t *l2cap_ertm_buffer, 1086 uint16_t l2cap_ertm_buffer_size, btstack_packet_handler_t handler, bd_addr_t addr, uint16_t * out_cid) { 1087 client->state = PBAP_CLIENT_W4_GOEP_CONNECTION; 1088 client->client_handler = handler; 1089 client->vcard_selector = 0; 1090 client->vcard_selector_operator = PBAP_VCARD_SELECTOR_OPERATOR_OR; 1091 1092 btstack_linked_list_add(&pbap_clients, (btstack_linked_item_t*) client); 1093 1094 uint8_t status = goep_client_connect(&client->goep_client, l2cap_ertm_config, l2cap_ertm_buffer, l2cap_ertm_buffer_size, 1095 &pbap_packet_handler, addr, BLUETOOTH_SERVICE_CLASS_PHONEBOOK_ACCESS_PSE, 0, &client->goep_cid); 1096 *out_cid = client->goep_cid; 1097 1098 if (status) { 1099 pbap_client_finalize(client); 1100 } 1101 return status; 1102 } 1103 1104 uint8_t pbap_connect(btstack_packet_handler_t handler, bd_addr_t addr, uint16_t * out_cid){ 1105 static pbap_client_t pbap_client_singleton; 1106 1107 l2cap_ertm_config_t *l2cap_ertm_config = NULL; 1108 uint8_t *l2cap_ertm_buffer = NULL; 1109 uint16_t l2cap_ertm_buffer_size = 0; 1110 1111 #ifdef ENABLE_GOEP_L2CAP 1112 // singleton instance 1113 static uint8_t pbap_client_singleton_ertm_buffer[1000]; 1114 static l2cap_ertm_config_t pbap_client_singleton_ertm_config = { 1115 1, // ertm mandatory 1116 2, // max transmit, some tests require > 1 1117 2000, 1118 12000, 1119 512, // l2cap ertm mtu 1120 2, 1121 2, 1122 1, // 16-bit FCS 1123 }; 1124 1125 l2cap_ertm_config = &pbap_client_singleton_ertm_config; 1126 l2cap_ertm_buffer = pbap_client_singleton_ertm_buffer; 1127 l2cap_ertm_buffer_size = sizeof(pbap_client_singleton_ertm_buffer); 1128 #endif 1129 1130 if (pbap_client_singleton_used && pbap_client_singleton.state != PBAP_CLIENT_INIT){ 1131 return BTSTACK_MEMORY_ALLOC_FAILED; 1132 } 1133 1134 pbap_client_singleton_used = true; 1135 1136 memset(&pbap_client_singleton, 0, sizeof(pbap_client_t)); 1137 return pbap_client_connect(&pbap_client_singleton, l2cap_ertm_config, l2cap_ertm_buffer, l2cap_ertm_buffer_size, handler, addr, out_cid); 1138 } 1139 1140 uint8_t pbap_disconnect(uint16_t pbap_cid){ 1141 pbap_client_t * pbap_client = pbap_client_for_cid(pbap_cid); 1142 if (pbap_client == NULL){ 1143 return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 1144 } 1145 if (pbap_client->state < PBAP_CLIENT_CONNECTED){ 1146 return BTSTACK_BUSY; 1147 } 1148 pbap_client->state = PBAP_CLIENT_W2_SEND_DISCONNECT_REQUEST; 1149 goep_client_request_can_send_now(pbap_client->goep_cid); 1150 return ERROR_CODE_SUCCESS; 1151 } 1152 1153 uint8_t pbap_get_phonebook_size(uint16_t pbap_cid, const char * path){ 1154 pbap_client_t * pbap_client = pbap_client_for_cid(pbap_cid); 1155 if (pbap_client == NULL){ 1156 return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 1157 } 1158 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1159 return BTSTACK_BUSY; 1160 } 1161 pbap_client->state = PBAP_CLIENT_W2_GET_PHONEBOOK_SIZE; 1162 pbap_client->phonebook_path = path; 1163 pbap_client->request_number = 0; 1164 goep_client_request_can_send_now(pbap_client->goep_cid); 1165 return ERROR_CODE_SUCCESS; 1166 } 1167 1168 uint8_t pbap_pull_phonebook(uint16_t pbap_cid, const char * path){ 1169 pbap_client_t * pbap_client = pbap_client_for_cid(pbap_cid); 1170 if (pbap_client == NULL){ 1171 return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 1172 } 1173 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1174 return BTSTACK_BUSY; 1175 } 1176 pbap_client->state = PBAP_CLIENT_W2_PULL_PHONEBOOK; 1177 pbap_client->phonebook_path = path; 1178 pbap_client->vcard_name = NULL; 1179 pbap_client->request_number = 0; 1180 goep_client_request_can_send_now(pbap_client->goep_cid); 1181 return ERROR_CODE_SUCCESS; 1182 } 1183 1184 uint8_t pbap_set_phonebook(uint16_t pbap_cid, const char * path){ 1185 pbap_client_t * pbap_client = pbap_client_for_cid(pbap_cid); 1186 if (pbap_client == NULL){ 1187 return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 1188 } 1189 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1190 return BTSTACK_BUSY; 1191 } 1192 pbap_client->state = PBAP_CLIENT_W2_SET_PATH_ROOT; 1193 pbap_client->current_folder = path; 1194 pbap_client->set_path_offset = 0; 1195 goep_client_request_can_send_now(pbap_client->goep_cid); 1196 return ERROR_CODE_SUCCESS; 1197 } 1198 1199 uint8_t pbap_authentication_password(uint16_t pbap_cid, const char * password){ 1200 pbap_client_t * pbap_client = pbap_client_for_cid(pbap_cid); 1201 if (pbap_client == NULL){ 1202 return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 1203 } 1204 if (pbap_client->state != PBAP_CLIENT_W4_USER_AUTHENTICATION){ 1205 return BTSTACK_BUSY; 1206 } 1207 pbap_client->state = PBAP_CLIENT_W2_SEND_AUTHENTICATED_CONNECT; 1208 pbap_client->authentication_password = password; 1209 goep_client_request_can_send_now(pbap_client->goep_cid); 1210 return ERROR_CODE_SUCCESS; 1211 } 1212 1213 uint8_t pbap_pull_vcard_listing(uint16_t pbap_cid, const char * path){ 1214 pbap_client_t * pbap_client = pbap_client_for_cid(pbap_cid); 1215 if (pbap_client == NULL){ 1216 return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 1217 } 1218 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1219 return BTSTACK_BUSY; 1220 } 1221 pbap_client->state = PBAP_CLIENT_W2_GET_CARD_LIST; 1222 pbap_client->phonebook_path = path; 1223 pbap_client->phone_number = NULL; 1224 pbap_client->request_number = 0; 1225 pbap_client_vcard_listing_init_parser(pbap_client); 1226 goep_client_request_can_send_now(pbap_client->goep_cid); 1227 return ERROR_CODE_SUCCESS; 1228 } 1229 1230 uint8_t pbap_pull_vcard_entry(uint16_t pbap_cid, const char * path){ 1231 pbap_client_t * pbap_client = pbap_client_for_cid(pbap_cid); 1232 if (pbap_client == NULL){ 1233 return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 1234 } 1235 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1236 return BTSTACK_BUSY; 1237 } 1238 pbap_client->state = PBAP_CLIENT_W2_GET_CARD_ENTRY; 1239 // pbap_client->phonebook_path = NULL; 1240 // pbap_client->phone_number = NULL; 1241 pbap_client->vcard_name = path; 1242 pbap_client->request_number = 0; 1243 goep_client_request_can_send_now(pbap_client->goep_cid); 1244 return ERROR_CODE_SUCCESS; 1245 } 1246 1247 uint8_t pbap_lookup_by_number(uint16_t pbap_cid, const char * phone_number){ 1248 pbap_client_t * pbap_client = pbap_client_for_cid(pbap_cid); 1249 if (pbap_client == NULL){ 1250 return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 1251 } 1252 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1253 return BTSTACK_BUSY; 1254 } 1255 pbap_client->state = PBAP_CLIENT_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 pbap_client_t * pbap_client = pbap_client_for_cid(pbap_cid); 1266 if (pbap_client == NULL){ 1267 return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 1268 } 1269 if ((pbap_client->state < PBAP_CLIENT_CONNECTED) || (pbap_client->abort_operation != 0)){ 1270 return ERROR_CODE_COMMAND_DISALLOWED; 1271 } 1272 log_info("abort current operation, state 0x%02x", pbap_client->state); 1273 pbap_client->abort_operation = 1; 1274 return ERROR_CODE_SUCCESS; 1275 } 1276 1277 uint8_t pbap_next_packet(uint16_t pbap_cid){ 1278 pbap_client_t * pbap_client = pbap_client_for_cid(pbap_cid); 1279 if (pbap_client == NULL){ 1280 return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 1281 } 1282 if (!pbap_client->flow_control_enabled){ 1283 return ERROR_CODE_SUCCESS; 1284 } 1285 switch (pbap_client->state){ 1286 case PBAP_CLIENT_W2_PULL_PHONEBOOK: 1287 goep_client_request_can_send_now(pbap_client->goep_cid); 1288 break; 1289 case PBAP_CLIENT_W4_PHONEBOOK: 1290 pbap_client->flow_next_triggered = 1; 1291 break; 1292 default: 1293 break; 1294 } 1295 return ERROR_CODE_SUCCESS; 1296 } 1297 1298 uint8_t pbap_set_flow_control_mode(uint16_t pbap_cid, int enable){ 1299 pbap_client_t * pbap_client = pbap_client_for_cid(pbap_cid); 1300 if (pbap_client == NULL){ 1301 return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 1302 } 1303 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1304 return BTSTACK_BUSY; 1305 } 1306 pbap_client->flow_control_enabled = enable; 1307 return ERROR_CODE_SUCCESS; 1308 } 1309 1310 uint8_t pbap_set_vcard_selector(uint16_t pbap_cid, uint32_t vcard_selector){ 1311 pbap_client_t * pbap_client = pbap_client_for_cid(pbap_cid); 1312 if (pbap_client == NULL){ 1313 return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 1314 } 1315 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1316 return BTSTACK_BUSY; 1317 } 1318 pbap_client->vcard_selector = vcard_selector; 1319 return ERROR_CODE_SUCCESS; 1320 } 1321 1322 uint8_t pbap_set_vcard_selector_operator(uint16_t pbap_cid, int vcard_selector_operator){ 1323 pbap_client_t * pbap_client = pbap_client_for_cid(pbap_cid); 1324 if (pbap_client == NULL){ 1325 return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 1326 } 1327 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1328 return BTSTACK_BUSY; 1329 } 1330 pbap_client->vcard_selector_operator = vcard_selector_operator; 1331 return ERROR_CODE_SUCCESS; 1332 } 1333 1334 uint8_t pbap_set_property_selector(uint16_t pbap_cid, uint32_t property_selector){ 1335 pbap_client_t * pbap_client = pbap_client_for_cid(pbap_cid); 1336 if (pbap_client == NULL){ 1337 return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 1338 } 1339 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1340 return BTSTACK_BUSY; 1341 } 1342 pbap_client->property_selector = property_selector; 1343 return ERROR_CODE_SUCCESS; 1344 } 1345 1346 uint8_t pbap_set_max_list_count(uint16_t pbap_cid, uint16_t max_list_count){ 1347 pbap_client_t * pbap_client = pbap_client_for_cid(pbap_cid); 1348 if (pbap_client == NULL){ 1349 return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 1350 } 1351 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1352 return BTSTACK_BUSY; 1353 } 1354 pbap_client->max_list_count = max_list_count; 1355 return ERROR_CODE_SUCCESS; 1356 } 1357 1358 uint8_t pbap_set_list_start_offset(uint16_t pbap_cid, uint16_t list_start_offset){ 1359 pbap_client_t * pbap_client = pbap_client_for_cid(pbap_cid); 1360 if (pbap_client == NULL){ 1361 return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 1362 } 1363 if (pbap_client->state != PBAP_CLIENT_CONNECTED){ 1364 return BTSTACK_BUSY; 1365 } 1366 pbap_client->list_start_offset = list_start_offset; 1367 return ERROR_CODE_SUCCESS; 1368 } 1369