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 MATTHIAS 24 * RINGWALD 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 // ***************************************************************************** 41 // 42 #if 0 43 0x0000 = uint32(65542), 44 // BLUETOOTH_SERVICE_CLASS_PHONEBOOK_ACCESS_PSE 45 0x0001 = { uuid16(11 2f) }, 46 // BLUETOOTH_PROTOCOL_L2CAP, BLUETOOTH_PROTOCOL_RFCOMM, BLUETOOTH_PROTOCOL_OBEX 47 0x0004 = { { uuid16(01 00) }, { uuid16(00 03), uint8(19) }, { uuid16(00 08) } } 48 0x0005 = { uuid16(10 02) }, 49 // BLUETOOTH_SERVICE_CLASS_PHONEBOOK_ACCESS, v1.01 = 0x101 50 0x0009 = { { uuid16(11 30), uint16(257) } }, 51 0x0100 = string(OBEX Phonebook Access Server 52 // BLUETOOTH_ATTRIBUTE_SUPPORTED_FEATURES -- should be 0x317 BLUETOOTH_ATTRIBUTE_PBAP_SUPPORTED_FEATURES? 53 0x0311 = uint8(3), 54 // BLUETOOTH_ATTRIBUTE_SUPPORTED_REPOSITORIES 55 0x0314 = uint8(1), 56 #endif 57 // 58 // ***************************************************************************** 59 60 #include "btstack_config.h" 61 62 #include <stdint.h> 63 #include <stdio.h> 64 #include <stdlib.h> 65 #include <string.h> 66 67 #include "hci_cmd.h" 68 #include "btstack_run_loop.h" 69 #include "btstack_debug.h" 70 #include "hci.h" 71 #include "btstack_memory.h" 72 #include "hci_dump.h" 73 #include "l2cap.h" 74 #include "bluetooth_sdp.h" 75 #include "classic/sdp_client_rfcomm.h" 76 #include "btstack_event.h" 77 #include "md5.h" 78 #include "yxml.h" 79 80 #include "classic/obex.h" 81 #include "classic/obex_iterator.h" 82 #include "classic/goep_client.h" 83 #include "classic/pbap_client.h" 84 85 #define PBAP_MAX_PHONE_NUMBER_LEN 30 86 87 // 796135f0-f0c5-11d8-0966- 0800200c9a66 88 uint8_t pbap_uuid[] = { 0x79, 0x61, 0x35, 0xf0, 0xf0, 0xc5, 0x11, 0xd8, 0x09, 0x66, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66}; 89 90 const char * pbap_phonebook_type = "x-bt/phonebook"; 91 const char * pbap_phonebook_name = "pb.vcf"; 92 93 const char * pbap_vcard_listing_type = "x-bt/vcard-listing"; 94 const char * pbap_vcard_listing_name = "pb"; 95 96 typedef enum { 97 PBAP_INIT = 0, 98 PBAP_W4_GOEP_CONNECTION, 99 PBAP_W2_SEND_CONNECT_REQUEST, 100 PBAP_W4_CONNECT_RESPONSE, 101 PBAP_W4_USER_AUTHENTICATION, 102 PBAP_W2_SEND_AUTHENTICATED_CONNECT, 103 PBAP_CONNECT_RESPONSE_RECEIVED, 104 PBAP_CONNECTED, 105 // 106 PBAP_W2_SEND_DISCONNECT_REQUEST, 107 PBAP_W4_DISCONNECT_RESPONSE, 108 // 109 PBAP_W2_PULL_PHONEBOOK, 110 PBAP_W4_PHONEBOOK, 111 PBAP_W2_SET_PATH_ROOT, 112 PBAP_W4_SET_PATH_ROOT_COMPLETE, 113 PBAP_W2_SET_PATH_ELEMENT, 114 PBAP_W4_SET_PATH_ELEMENT_COMPLETE, 115 PBAP_W2_GET_PHONEBOOK_SIZE, 116 PBAP_W4_GET_PHONEBOOK_SIZE_COMPLETE, 117 // 118 PBAP_W2_GET_CARD_LIST, 119 PBAP_W4_GET_CARD_LIST_COMPLETE, 120 121 } pbap_state_t; 122 123 typedef struct pbap_client { 124 pbap_state_t state; 125 uint16_t cid; 126 bd_addr_t bd_addr; 127 hci_con_handle_t con_handle; 128 uint8_t incoming; 129 uint16_t goep_cid; 130 btstack_packet_handler_t client_handler; 131 const char * current_folder; 132 const char * phone_number; 133 uint16_t set_path_offset; 134 uint8_t authentication_options; 135 uint16_t authentication_nonce[16]; 136 const char * authentication_password; 137 yxml_t xml_parser; 138 uint8_t xml_buffer[50]; 139 } pbap_client_t; 140 141 static pbap_client_t _pbap_client; 142 static pbap_client_t * pbap_client = &_pbap_client; 143 144 static void pbap_client_emit_connected_event(pbap_client_t * context, uint8_t status){ 145 uint8_t event[15]; 146 int pos = 0; 147 event[pos++] = HCI_EVENT_PBAP_META; 148 pos++; // skip len 149 event[pos++] = PBAP_SUBEVENT_CONNECTION_OPENED; 150 little_endian_store_16(event,pos,context->cid); 151 pos+=2; 152 event[pos++] = status; 153 memcpy(&event[pos], context->bd_addr, 6); 154 pos += 6; 155 little_endian_store_16(event,pos,context->con_handle); 156 pos += 2; 157 event[pos++] = context->incoming; 158 event[1] = pos - 2; 159 if (pos != sizeof(event)) log_error("goep_client_emit_connected_event size %u", pos); 160 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 161 } 162 163 static void pbap_client_emit_connection_closed_event(pbap_client_t * context){ 164 uint8_t event[5]; 165 int pos = 0; 166 event[pos++] = HCI_EVENT_PBAP_META; 167 pos++; // skip len 168 event[pos++] = PBAP_SUBEVENT_CONNECTION_CLOSED; 169 little_endian_store_16(event,pos,context->cid); 170 pos+=2; 171 event[1] = pos - 2; 172 if (pos != sizeof(event)) log_error("pbap_client_emit_connection_closed_event size %u", pos); 173 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 174 } 175 176 static void pbap_client_emit_operation_complete_event(pbap_client_t * context, uint8_t status){ 177 uint8_t event[6]; 178 int pos = 0; 179 event[pos++] = HCI_EVENT_PBAP_META; 180 pos++; // skip len 181 event[pos++] = PBAP_SUBEVENT_OPERATION_COMPLETED; 182 little_endian_store_16(event,pos,context->cid); 183 pos+=2; 184 event[pos++]= status; 185 event[1] = pos - 2; 186 if (pos != sizeof(event)) log_error("pbap_client_emit_can_send_now_event size %u", pos); 187 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 188 } 189 190 static void pbap_client_emit_phonebook_size_event(pbap_client_t * context, uint8_t status, uint16_t phonebook_size){ 191 uint8_t event[8]; 192 int pos = 0; 193 event[pos++] = HCI_EVENT_PBAP_META; 194 pos++; // skip len 195 event[pos++] = PBAP_SUBEVENT_PHONEBOOK_SIZE; 196 little_endian_store_16(event,pos,context->cid); 197 pos+=2; 198 event[pos++] = status; 199 little_endian_store_16(event,pos, phonebook_size); 200 pos+=2; 201 event[1] = pos - 2; 202 if (pos != sizeof(event)) log_error("pbap_client_emit_phonebook_size_event size %u", pos); 203 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 204 } 205 206 static void pbap_client_emit_authentication_event(pbap_client_t * context, uint8_t options){ 207 // split options 208 uint8_t user_id_required = options & 1 ? 1 : 0; 209 uint8_t full_access = options & 2 ? 1 : 0; 210 211 uint8_t event[7]; 212 int pos = 0; 213 event[pos++] = HCI_EVENT_PBAP_META; 214 pos++; // skip len 215 event[pos++] = PBAP_SUBEVENT_AUTHENTICATION_REQUEST; 216 little_endian_store_16(event,pos,context->cid); 217 pos+=2; 218 event[pos++] = user_id_required; 219 event[pos++] = full_access; 220 if (pos != sizeof(event)) log_error("pbap_client_emit_authentication_event size %u", pos); 221 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 222 } 223 224 static const uint8_t collon = (uint8_t) ':'; 225 226 static void pbap_handle_can_send_now(void){ 227 uint8_t path_element[20]; 228 uint16_t path_element_start; 229 uint16_t path_element_len; 230 uint8_t application_parameters[PBAP_MAX_PHONE_NUMBER_LEN + 10]; 231 uint8_t challenge_response[36]; 232 int i; 233 uint16_t phone_number_len; 234 235 MD5_CTX md5_ctx; 236 237 switch (pbap_client->state){ 238 case PBAP_W2_SEND_CONNECT_REQUEST: 239 goep_client_create_connect_request(pbap_client->goep_cid, OBEX_VERSION, 0, OBEX_MAX_PACKETLEN_DEFAULT); 240 goep_client_add_header_target(pbap_client->goep_cid, 16, pbap_uuid); 241 // Add PbapSupportedFeatures 242 application_parameters[0] = PBAP_APPLICATION_PARAMETER_PBAP_SUPPORTED_FEATURES; 243 application_parameters[1] = 4; 244 big_endian_store_32(application_parameters, 2, goep_client_get_pbap_supported_features(pbap_client->goep_cid)); 245 goep_client_add_header_application_parameters(pbap_client->goep_cid, 6, &application_parameters[0]); 246 pbap_client->state = PBAP_W4_CONNECT_RESPONSE; 247 goep_client_execute(pbap_client->goep_cid); 248 break; 249 case PBAP_W2_SEND_AUTHENTICATED_CONNECT: 250 goep_client_create_connect_request(pbap_client->goep_cid, OBEX_VERSION, 0, OBEX_MAX_PACKETLEN_DEFAULT); 251 goep_client_add_header_target(pbap_client->goep_cid, 16, pbap_uuid); 252 // setup authentication challenge response 253 i = 0; 254 challenge_response[i++] = 0; // Tag Digest 255 challenge_response[i++] = 16; // Len 256 // calculate md5 257 MD5_Init(&md5_ctx); 258 MD5_Update(&md5_ctx, pbap_client->authentication_nonce, 16); 259 MD5_Update(&md5_ctx, &collon, 1); 260 MD5_Update(&md5_ctx, pbap_client->authentication_password, strlen(pbap_client->authentication_password)); 261 MD5_Final(&challenge_response[i], &md5_ctx); 262 i += 16; 263 challenge_response[i++] = 2; // Tag Nonce 264 challenge_response[i++] = 16; // Len 265 memcpy(&challenge_response[i], pbap_client->authentication_nonce, 16); 266 i += 16; 267 goep_client_add_header_challenge_response(pbap_client->goep_cid, i, challenge_response); 268 pbap_client->state = PBAP_W4_CONNECT_RESPONSE; 269 goep_client_execute(pbap_client->goep_cid); 270 break; 271 case PBAP_W2_SEND_DISCONNECT_REQUEST: 272 goep_client_create_disconnect_request(pbap_client->goep_cid); 273 pbap_client->state = PBAP_W4_DISCONNECT_RESPONSE; 274 goep_client_execute(pbap_client->goep_cid); 275 return; 276 case PBAP_W2_PULL_PHONEBOOK: 277 case PBAP_W2_GET_PHONEBOOK_SIZE: 278 goep_client_create_get_request(pbap_client->goep_cid); 279 goep_client_add_header_type(pbap_client->goep_cid, pbap_phonebook_type); 280 goep_client_add_header_name(pbap_client->goep_cid, pbap_phonebook_name); 281 if (pbap_client->state == PBAP_W2_GET_PHONEBOOK_SIZE){ 282 // Regular TLV wih 1-byte len 283 application_parameters[0] = PBAP_APPLICATION_PARAMETER_MAX_LIST_COUNT; 284 application_parameters[1] = 2; 285 big_endian_store_16(application_parameters, 2, 0); 286 goep_client_add_header_application_parameters(pbap_client->goep_cid, 4, &application_parameters[0]); 287 // state 288 pbap_client->state = PBAP_W4_GET_PHONEBOOK_SIZE_COMPLETE; 289 } else { 290 // state 291 pbap_client->state = PBAP_W4_PHONEBOOK; 292 } 293 // send packet 294 goep_client_execute(pbap_client->goep_cid); 295 break; 296 case PBAP_W2_GET_CARD_LIST: 297 goep_client_create_get_request(pbap_client->goep_cid); 298 goep_client_add_header_type(pbap_client->goep_cid, pbap_vcard_listing_type); 299 goep_client_add_header_name(pbap_client->goep_cid, pbap_vcard_listing_name); 300 // Regular TLV wih 1-byte len 301 i = 0; 302 phone_number_len = btstack_min(PBAP_MAX_PHONE_NUMBER_LEN, strlen(pbap_client->phone_number)); 303 application_parameters[i++] = PBAP_APPLICATION_PARAMETER_SEARCH_VALUE; 304 application_parameters[i++] = phone_number_len; 305 memcpy(&application_parameters[i], pbap_client->phone_number, phone_number_len); 306 i += phone_number_len; 307 application_parameters[i++] = PBAP_APPLICATION_PARAMETER_SEARCH_PROPERTY; 308 application_parameters[i++] = 1; 309 application_parameters[i++] = 0x01; // Number 310 goep_client_add_header_application_parameters(pbap_client->goep_cid, i, &application_parameters[0]); 311 pbap_client->state = PBAP_W4_GET_CARD_LIST_COMPLETE; 312 // send packet 313 goep_client_execute(pbap_client->goep_cid); 314 break; 315 case PBAP_W2_SET_PATH_ROOT: 316 goep_client_create_set_path_request(pbap_client->goep_cid, 1 << 1); // Don’t create directory 317 // On Android 4.2 Cyanogenmod, using "" as path fails 318 // goep_client_add_header_name(pbap_client->goep_cid, ""); // empty == / 319 // state 320 pbap_client->state = PBAP_W4_SET_PATH_ROOT_COMPLETE; 321 // send packet 322 goep_client_execute(pbap_client->goep_cid); 323 break; 324 case PBAP_W2_SET_PATH_ELEMENT: 325 // find '/' or '\0' 326 path_element_start = pbap_client->set_path_offset; 327 while (pbap_client->current_folder[pbap_client->set_path_offset] != '\0' && 328 pbap_client->current_folder[pbap_client->set_path_offset] != '/'){ 329 pbap_client->set_path_offset++; 330 } 331 // skip / 332 if (pbap_client->current_folder[pbap_client->set_path_offset] == '/'){ 333 pbap_client->set_path_offset++; 334 } 335 path_element_len = pbap_client->set_path_offset-path_element_start; 336 memcpy(path_element, &pbap_client->current_folder[path_element_start], path_element_len); 337 path_element[path_element_len] = 0; 338 339 goep_client_create_set_path_request(pbap_client->goep_cid, 1 << 1); // Don’t create directory 340 goep_client_add_header_name(pbap_client->goep_cid, (const char *) path_element); // next element 341 // state 342 pbap_client->state = PBAP_W4_SET_PATH_ELEMENT_COMPLETE; 343 // send packet 344 goep_client_execute(pbap_client->goep_cid); 345 break; 346 default: 347 break; 348 } 349 } 350 351 static void pbap_parse_authentication_challenge(pbap_client_t * context, const uint8_t * challenge_data, uint16_t challenge_len){ 352 // printf("Challenge: "); 353 // printf_hexdump(challenge_data, challenge_len); 354 int i; 355 // uint8_t charset_code = 0; 356 for (i=0 ; i<challenge_len ; ){ 357 int tag = challenge_data[i]; 358 int len = challenge_data[i + 1]; 359 i += 2; 360 switch (tag) { 361 case 0: 362 if (len != 0x10) { 363 log_error("Invalid OBEX digest len %u", len); 364 return; 365 } 366 memcpy(context->authentication_nonce, &challenge_data[i], 16); 367 // printf("Nonce: "); 368 // printf_hexdump(context->authentication_nonce, 16); 369 break; 370 case 1: 371 context->authentication_options = challenge_data[i]; 372 // printf("Options %u\n", context->authentication_options); 373 break; 374 case 2: 375 // TODO: handle charset 376 // charset_code = challenge_data[i]; 377 break; 378 } 379 i += len; 380 } 381 } 382 383 static void pbap_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 384 385 UNUSED(channel); // ok: there is no channel 386 UNUSED(size); // ok: handling own geop events 387 388 obex_iterator_t it; 389 uint8_t status; 390 switch (packet_type){ 391 case HCI_EVENT_PACKET: 392 switch (hci_event_packet_get_type(packet)) { 393 case HCI_EVENT_GOEP_META: 394 switch (hci_event_goep_meta_get_subevent_code(packet)){ 395 case GOEP_SUBEVENT_CONNECTION_OPENED: 396 status = goep_subevent_connection_opened_get_status(packet); 397 pbap_client->con_handle = goep_subevent_connection_opened_get_con_handle(packet); 398 pbap_client->incoming = goep_subevent_connection_opened_get_incoming(packet); 399 goep_subevent_connection_opened_get_bd_addr(packet, pbap_client->bd_addr); 400 if (status){ 401 log_info("pbap: connection failed %u", status); 402 pbap_client->state = PBAP_INIT; 403 pbap_client_emit_connected_event(pbap_client, status); 404 } else { 405 log_info("pbap: connection established"); 406 pbap_client->goep_cid = goep_subevent_connection_opened_get_goep_cid(packet); 407 pbap_client->state = PBAP_W2_SEND_CONNECT_REQUEST; 408 goep_client_request_can_send_now(pbap_client->goep_cid); 409 } 410 break; 411 case GOEP_SUBEVENT_CONNECTION_CLOSED: 412 if (pbap_client->state != PBAP_CONNECTED){ 413 pbap_client_emit_operation_complete_event(pbap_client, OBEX_DISCONNECTED); 414 } 415 pbap_client->state = PBAP_INIT; 416 pbap_client_emit_connection_closed_event(pbap_client); 417 break; 418 case GOEP_SUBEVENT_CAN_SEND_NOW: 419 pbap_handle_can_send_now(); 420 break; 421 } 422 break; 423 default: 424 break; 425 } 426 break; 427 case GOEP_DATA_PACKET: 428 // TODO: handle chunked data 429 // obex_dump_packet(goep_client_get_request_opcode(pbap_client->goep_cid), packet, size); 430 switch (pbap_client->state){ 431 case PBAP_W4_CONNECT_RESPONSE: 432 switch (packet[0]){ 433 case OBEX_RESP_SUCCESS: 434 for (obex_iterator_init_with_response_packet(&it, goep_client_get_request_opcode(pbap_client->goep_cid), packet, size); obex_iterator_has_more(&it) ; obex_iterator_next(&it)){ 435 uint8_t hi = obex_iterator_get_hi(&it); 436 if (hi == OBEX_HEADER_CONNECTION_ID){ 437 goep_client_set_connection_id(pbap_client->goep_cid, obex_iterator_get_data_32(&it)); 438 } 439 } 440 pbap_client->state = PBAP_CONNECTED; 441 pbap_client_emit_connected_event(pbap_client, 0); 442 break; 443 case OBEX_RESP_UNAUTHORIZED: 444 for (obex_iterator_init_with_response_packet(&it, goep_client_get_request_opcode(pbap_client->goep_cid), packet, size); obex_iterator_has_more(&it) ; obex_iterator_next(&it)){ 445 uint8_t hi = obex_iterator_get_hi(&it); 446 if (hi == OBEX_HEADER_AUTHENTICATION_CHALLENGE){ 447 pbap_parse_authentication_challenge(pbap_client, obex_iterator_get_data(&it), obex_iterator_get_data_len(&it)); 448 } 449 } 450 pbap_client->state = PBAP_W4_USER_AUTHENTICATION; 451 pbap_client_emit_authentication_event(pbap_client, pbap_client->authentication_options); 452 break; 453 default: 454 log_info("pbap: obex connect failed, result 0x%02x", packet[0]); 455 pbap_client->state = PBAP_INIT; 456 pbap_client_emit_connected_event(pbap_client, OBEX_CONNECT_FAILED); 457 break; 458 } 459 break; 460 case PBAP_W4_DISCONNECT_RESPONSE: 461 goep_client_disconnect(pbap_client->goep_cid); 462 break; 463 case PBAP_W4_SET_PATH_ROOT_COMPLETE: 464 case PBAP_W4_SET_PATH_ELEMENT_COMPLETE: 465 if (packet[0] == OBEX_RESP_SUCCESS){ 466 if (pbap_client->current_folder){ 467 pbap_client->state = PBAP_W2_SET_PATH_ELEMENT; 468 goep_client_request_can_send_now(pbap_client->goep_cid); 469 } else { 470 pbap_client_emit_operation_complete_event(pbap_client, 0); 471 } 472 } else if (packet[0] == OBEX_RESP_NOT_FOUND){ 473 pbap_client->state = PBAP_CONNECTED; 474 pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_FOUND); 475 } else { 476 pbap_client->state = PBAP_CONNECTED; 477 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 478 } 479 break; 480 case PBAP_W4_PHONEBOOK: 481 for (obex_iterator_init_with_response_packet(&it, goep_client_get_request_opcode(pbap_client->goep_cid), packet, size); obex_iterator_has_more(&it) ; obex_iterator_next(&it)){ 482 uint8_t hi = obex_iterator_get_hi(&it); 483 if (hi == OBEX_HEADER_BODY || hi == OBEX_HEADER_END_OF_BODY){ 484 uint16_t data_len = obex_iterator_get_data_len(&it); 485 const uint8_t * data = obex_iterator_get_data(&it); 486 pbap_client->client_handler(PBAP_DATA_PACKET, pbap_client->cid, (uint8_t *) data, data_len); 487 } 488 } 489 if (packet[0] == OBEX_RESP_CONTINUE){ 490 pbap_client->state = PBAP_W2_PULL_PHONEBOOK; 491 goep_client_request_can_send_now(pbap_client->goep_cid); 492 } else if (packet[0] == OBEX_RESP_SUCCESS){ 493 pbap_client->state = PBAP_CONNECTED; 494 pbap_client_emit_operation_complete_event(pbap_client, 0); 495 } else { 496 pbap_client->state = PBAP_CONNECTED; 497 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 498 } 499 break; 500 case PBAP_W4_GET_PHONEBOOK_SIZE_COMPLETE: 501 pbap_client->state = PBAP_CONNECTED; 502 if (packet[0] == OBEX_RESP_SUCCESS){ 503 int have_size = 0; 504 uint16_t phonebook_size; 505 for (obex_iterator_init_with_response_packet(&it, goep_client_get_request_opcode(pbap_client->goep_cid), packet, size); obex_iterator_has_more(&it) ; obex_iterator_next(&it)){ 506 uint8_t hi = obex_iterator_get_hi(&it); 507 if (hi == OBEX_HEADER_APPLICATION_PARAMETERS){ 508 uint16_t data_len = obex_iterator_get_data_len(&it); 509 const uint8_t * data = obex_iterator_get_data(&it); 510 // iterate over application headers (TLV with 1 bytes len) 511 unsigned int i = 0; 512 while (i<data_len){ 513 uint8_t tag = data[i++]; 514 uint8_t len = data[i++]; 515 if (tag == PBAP_APPLICATION_PARAMETER_PHONEBOOK_SIZE && len == 2){ 516 have_size = 1; 517 phonebook_size = big_endian_read_16(data, i); 518 } 519 i+=len; 520 } 521 } 522 } 523 if (have_size){ 524 pbap_client_emit_phonebook_size_event(pbap_client, 0, phonebook_size); 525 break; 526 } 527 } 528 pbap_client_emit_phonebook_size_event(pbap_client, OBEX_UNKNOWN_ERROR, 0); 529 break; 530 case PBAP_W4_GET_CARD_LIST_COMPLETE: 531 printf("PBAP_W4_GET_CARD_LIST_COMPLETE\n"); 532 if (packet[0] == OBEX_RESP_CONTINUE){ 533 pbap_client->state = PBAP_W2_GET_CARD_LIST; 534 goep_client_request_can_send_now(pbap_client->goep_cid); 535 } else if (packet[0] == OBEX_RESP_SUCCESS){ 536 for (obex_iterator_init_with_response_packet(&it, goep_client_get_request_opcode(pbap_client->goep_cid), packet, size); obex_iterator_has_more(&it) ; obex_iterator_next(&it)){ 537 uint8_t hi = obex_iterator_get_hi(&it); 538 if (hi == OBEX_HEADER_END_OF_BODY){ 539 uint16_t data_len = obex_iterator_get_data_len(&it); 540 const uint8_t * data = obex_iterator_get_data(&it); 541 // now try parsing it 542 yxml_init(&pbap_client->xml_parser, pbap_client->xml_buffer, sizeof(pbap_client->xml_buffer)); 543 int card_found = 0; 544 int name_found = 0; 545 int handle_found = 0; 546 char name[32]; 547 char handle[16]; 548 name[0] = 0; 549 handle[0] = 0; 550 while (data_len--){ 551 yxml_ret_t r = yxml_parse(&pbap_client->xml_parser, *data++); 552 switch (r){ 553 case YXML_ELEMSTART: 554 card_found = strcmp("card", pbap_client->xml_parser.elem) == 0; 555 break; 556 case YXML_ELEMEND: 557 if (card_found){ 558 printf("Name: '%s'\n", name); 559 printf("Handle: '%s'\n", handle); 560 } 561 card_found = 0; 562 break; 563 case YXML_ATTRSTART: 564 if (!card_found) break; 565 if (strcmp("name", pbap_client->xml_parser.attr) == 0){ 566 name_found = 1; 567 break; 568 } 569 if (strcmp("handle", pbap_client->xml_parser.attr) == 0){ 570 handle_found = 1; 571 break; 572 } 573 break; 574 case YXML_ATTRVAL: 575 if (name_found) { 576 // "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." 577 if (strlen(name) + 4 + 1 >= sizeof(name)) break; 578 strcat(name, pbap_client->xml_parser.data); 579 break; 580 } 581 if (handle_found) { 582 // "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." 583 if (strlen(handle) + 4 + 1 >= sizeof(handle)) break; 584 strcat(handle, pbap_client->xml_parser.data); 585 break; 586 } 587 break; 588 case YXML_ATTREND: 589 name_found = 0; 590 handle_found = 0; 591 break; 592 default: 593 break; 594 } 595 } 596 // 597 pbap_client->state = PBAP_CONNECTED; 598 } 599 } 600 601 } else { 602 // ? 603 } 604 break; 605 default: 606 break; 607 } 608 break; 609 default: 610 break; 611 } 612 } 613 614 void pbap_client_init(void){ 615 memset(pbap_client, 0, sizeof(pbap_client_t)); 616 pbap_client->state = PBAP_INIT; 617 pbap_client->cid = 1; 618 } 619 620 uint8_t pbap_connect(btstack_packet_handler_t handler, bd_addr_t addr, uint16_t * out_cid){ 621 if (pbap_client->state != PBAP_INIT) return BTSTACK_MEMORY_ALLOC_FAILED; 622 pbap_client->state = PBAP_W4_GOEP_CONNECTION; 623 pbap_client->client_handler = handler; 624 uint8_t err = goep_client_create_connection(&pbap_packet_handler, addr, BLUETOOTH_SERVICE_CLASS_PHONEBOOK_ACCESS_PSE, &pbap_client->goep_cid); 625 *out_cid = pbap_client->cid; 626 if (err) return err; 627 return 0; 628 } 629 630 uint8_t pbap_disconnect(uint16_t pbap_cid){ 631 UNUSED(pbap_cid); 632 if (pbap_client->state != PBAP_CONNECTED) return BTSTACK_BUSY; 633 pbap_client->state = PBAP_W2_SEND_DISCONNECT_REQUEST; 634 goep_client_request_can_send_now(pbap_client->goep_cid); 635 return 0; 636 } 637 638 uint8_t pbap_get_phonebook_size(uint16_t pbap_cid){ 639 UNUSED(pbap_cid); 640 if (pbap_client->state != PBAP_CONNECTED) return BTSTACK_BUSY; 641 pbap_client->state = PBAP_W2_GET_PHONEBOOK_SIZE; 642 goep_client_request_can_send_now(pbap_client->goep_cid); 643 return 0; 644 } 645 646 uint8_t pbap_pull_phonebook(uint16_t pbap_cid){ 647 UNUSED(pbap_cid); 648 if (pbap_client->state != PBAP_CONNECTED) return BTSTACK_BUSY; 649 pbap_client->state = PBAP_W2_PULL_PHONEBOOK; 650 goep_client_request_can_send_now(pbap_client->goep_cid); 651 return 0; 652 } 653 654 uint8_t pbap_set_phonebook(uint16_t pbap_cid, const char * path){ 655 UNUSED(pbap_cid); 656 if (pbap_client->state != PBAP_CONNECTED) return BTSTACK_BUSY; 657 pbap_client->state = PBAP_W2_SET_PATH_ROOT; 658 pbap_client->current_folder = path; 659 pbap_client->set_path_offset = 0; 660 goep_client_request_can_send_now(pbap_client->goep_cid); 661 return 0; 662 } 663 664 uint8_t pbap_authentication_password(uint16_t pbap_cid, const char * password){ 665 UNUSED(pbap_cid); 666 if (pbap_client->state != PBAP_W4_USER_AUTHENTICATION) return BTSTACK_BUSY; 667 pbap_client->state = PBAP_W2_SEND_AUTHENTICATED_CONNECT; 668 pbap_client->authentication_password = password; 669 goep_client_request_can_send_now(pbap_client->goep_cid); 670 return 0; 671 } 672 673 uint8_t pbap_lookup_by_number(uint16_t pbap_cid, const char * phone_number){ 674 UNUSED(pbap_cid); 675 if (pbap_client->state != PBAP_CONNECTED) return BTSTACK_BUSY; 676 pbap_client->state = PBAP_W2_GET_CARD_LIST; 677 pbap_client->phone_number = phone_number; 678 goep_client_request_can_send_now(pbap_client->goep_cid); 679 return 0; 680 } 681