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_iterator.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 struct pbap_client { 110 pbap_state_t state; 111 uint16_t cid; 112 bd_addr_t bd_addr; 113 hci_con_handle_t con_handle; 114 uint8_t incoming; 115 uint16_t goep_cid; 116 btstack_packet_handler_t client_handler; 117 int request_number; 118 srm_state_t srm_state; 119 const char * current_folder; 120 const char * phone_number; 121 const char * phonebook_path; 122 const char * vcard_name; 123 uint16_t set_path_offset; 124 /* vcard selector / operator */ 125 uint32_t vcard_selector; 126 uint8_t vcard_selector_operator; 127 uint8_t vcard_selector_supported; 128 /* abort */ 129 uint8_t abort_operation; 130 /* authentication */ 131 uint8_t authentication_options; 132 uint16_t authentication_nonce[16]; 133 const char * authentication_password; 134 /* xml parser */ 135 yxml_t xml_parser; 136 uint8_t xml_buffer[50]; 137 /* vcard listing parser */ 138 bool parser_card_found; 139 bool parser_name_found; 140 bool parser_handle_found; 141 char parser_name[PBAP_MAX_NAME_LEN]; 142 char parser_handle[PBAP_MAX_HANDLE_LEN]; 143 /* flow control mode */ 144 uint8_t flow_control_enabled; 145 uint8_t flow_next_triggered; 146 } pbap_client_t; 147 148 typedef struct { 149 uint8_t srm_value; 150 uint8_t srmp_value; 151 } obex_srm_t; 152 153 static uint32_t pbap_client_supported_features; 154 155 static pbap_client_t pbap_client_singleton; 156 static pbap_client_t * pbap_client = &pbap_client_singleton; 157 158 static void pbap_client_emit_connected_event(pbap_client_t * context, uint8_t status){ 159 uint8_t event[15]; 160 int pos = 0; 161 event[pos++] = HCI_EVENT_PBAP_META; 162 pos++; // skip len 163 event[pos++] = PBAP_SUBEVENT_CONNECTION_OPENED; 164 little_endian_store_16(event,pos,context->cid); 165 pos+=2; 166 event[pos++] = status; 167 (void)memcpy(&event[pos], context->bd_addr, 6); 168 pos += 6; 169 little_endian_store_16(event,pos,context->con_handle); 170 pos += 2; 171 event[pos++] = context->incoming; 172 event[1] = pos - 2; 173 if (pos != sizeof(event)) log_error("goep_client_emit_connected_event size %u", pos); 174 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 175 } 176 177 static void pbap_client_emit_connection_closed_event(pbap_client_t * context){ 178 uint8_t event[5]; 179 int pos = 0; 180 event[pos++] = HCI_EVENT_PBAP_META; 181 pos++; // skip len 182 event[pos++] = PBAP_SUBEVENT_CONNECTION_CLOSED; 183 little_endian_store_16(event,pos,context->cid); 184 pos+=2; 185 event[1] = pos - 2; 186 if (pos != sizeof(event)) log_error("pbap_client_emit_connection_closed_event size %u", pos); 187 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 188 } 189 190 static void pbap_client_emit_operation_complete_event(pbap_client_t * context, uint8_t status){ 191 uint8_t event[6]; 192 int pos = 0; 193 event[pos++] = HCI_EVENT_PBAP_META; 194 pos++; // skip len 195 event[pos++] = PBAP_SUBEVENT_OPERATION_COMPLETED; 196 little_endian_store_16(event,pos,context->cid); 197 pos+=2; 198 event[pos++]= status; 199 event[1] = pos - 2; 200 if (pos != sizeof(event)) log_error("pbap_client_emit_can_send_now_event size %u", pos); 201 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 202 } 203 204 static void pbap_client_emit_phonebook_size_event(pbap_client_t * context, uint8_t status, uint16_t phonebook_size){ 205 uint8_t event[8]; 206 int pos = 0; 207 event[pos++] = HCI_EVENT_PBAP_META; 208 pos++; // skip len 209 event[pos++] = PBAP_SUBEVENT_PHONEBOOK_SIZE; 210 little_endian_store_16(event,pos,context->cid); 211 pos+=2; 212 event[pos++] = status; 213 little_endian_store_16(event,pos, phonebook_size); 214 pos+=2; 215 event[1] = pos - 2; 216 if (pos != sizeof(event)) log_error("pbap_client_emit_phonebook_size_event size %u", pos); 217 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 218 } 219 220 static void pbap_client_emit_authentication_event(pbap_client_t * context, uint8_t options){ 221 // split options 222 uint8_t user_id_required = (options & 1) ? 1 : 0; 223 uint8_t full_access = (options & 2) ? 1 : 0; 224 225 uint8_t event[7]; 226 int pos = 0; 227 event[pos++] = HCI_EVENT_PBAP_META; 228 pos++; // skip len 229 event[pos++] = PBAP_SUBEVENT_AUTHENTICATION_REQUEST; 230 little_endian_store_16(event,pos,context->cid); 231 pos+=2; 232 event[pos++] = user_id_required; 233 event[pos++] = full_access; 234 if (pos != sizeof(event)) log_error("pbap_client_emit_authentication_event size %u", pos); 235 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 236 } 237 238 static void pbap_client_emit_card_result_event(pbap_client_t * context, const char * name, const char * handle){ 239 uint8_t event[5 + PBAP_MAX_NAME_LEN + PBAP_MAX_HANDLE_LEN]; 240 int pos = 0; 241 event[pos++] = HCI_EVENT_PBAP_META; 242 pos++; // skip len 243 event[pos++] = PBAP_SUBEVENT_CARD_RESULT; 244 little_endian_store_16(event,pos,context->cid); 245 pos+=2; 246 int name_len = btstack_min(PBAP_MAX_NAME_LEN, strlen(name)); 247 event[pos++] = name_len; 248 (void)memcpy(&event[pos], name, name_len); 249 pos += name_len; 250 int handle_len = btstack_min(PBAP_MAX_HANDLE_LEN, strlen(handle)); 251 event[pos++] = handle_len; 252 (void)memcpy(&event[pos], handle, handle_len); 253 pos += handle_len; 254 event[1] = pos - 2; 255 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 256 } 257 258 static const uint8_t collon = (uint8_t) ':'; 259 260 static void pbap_client_vcard_listing_init_parser(pbap_client_t * client){ 261 yxml_init(&client->xml_parser, client->xml_buffer, sizeof(client->xml_buffer)); 262 client->parser_card_found = false; 263 client->parser_name_found = false; 264 client->parser_handle_found = false; 265 } 266 267 static void pbap_handle_can_send_now(void){ 268 uint16_t path_element_start; 269 uint16_t path_element_len; 270 const char * path_element; 271 uint8_t application_parameters[PBAP_MAX_PHONE_NUMBER_LEN + 10]; 272 uint8_t challenge_response[36]; 273 int i; 274 uint16_t phone_number_len; 275 276 MD5_CTX md5_ctx; 277 278 if (pbap_client->abort_operation){ 279 pbap_client->abort_operation = 0; 280 pbap_client->state = PBAP_CONNECTED; 281 goep_client_request_create_abort(pbap_client->goep_cid); 282 goep_client_execute(pbap_client->goep_cid); 283 return; 284 } 285 286 switch (pbap_client->state){ 287 case PBAP_W2_SEND_CONNECT_REQUEST: 288 goep_client_request_create_connect(pbap_client->goep_cid, OBEX_VERSION, 0, OBEX_MAX_PACKETLEN_DEFAULT); 289 goep_client_header_add_target(pbap_client->goep_cid, pbap_uuid, 16); 290 // Mandatory if the PSE advertises a PbapSupportedFeatures attribute in its SDP record, else excluded. 291 if (goep_client_get_pbap_supported_features(pbap_client->goep_cid) != PBAP_FEATURES_NOT_PRESENT){ 292 application_parameters[0] = PBAP_APPLICATION_PARAMETER_PBAP_SUPPORTED_FEATURES; 293 application_parameters[1] = 4; 294 big_endian_store_32(application_parameters, 2, pbap_client_supported_features); 295 goep_client_header_add_application_parameters(pbap_client->goep_cid, &application_parameters[0], 6); 296 } 297 pbap_client->state = PBAP_W4_CONNECT_RESPONSE; 298 goep_client_execute(pbap_client->goep_cid); 299 break; 300 case PBAP_W2_SEND_AUTHENTICATED_CONNECT: 301 goep_client_request_create_connect(pbap_client->goep_cid, OBEX_VERSION, 0, OBEX_MAX_PACKETLEN_DEFAULT); 302 goep_client_header_add_target(pbap_client->goep_cid, pbap_uuid, 16); 303 // setup authentication challenge response 304 i = 0; 305 challenge_response[i++] = 0; // Tag Digest 306 challenge_response[i++] = 16; // Len 307 // calculate md5 308 MD5_Init(&md5_ctx); 309 MD5_Update(&md5_ctx, pbap_client->authentication_nonce, 16); 310 MD5_Update(&md5_ctx, &collon, 1); 311 MD5_Update(&md5_ctx, pbap_client->authentication_password, strlen(pbap_client->authentication_password)); 312 MD5_Final(&challenge_response[i], &md5_ctx); 313 i += 16; 314 challenge_response[i++] = 2; // Tag Nonce 315 challenge_response[i++] = 16; // Len 316 (void)memcpy(&challenge_response[i], 317 pbap_client->authentication_nonce, 16); 318 i += 16; 319 goep_client_header_add_challenge_response(pbap_client->goep_cid, challenge_response, i); 320 pbap_client->state = PBAP_W4_CONNECT_RESPONSE; 321 goep_client_execute(pbap_client->goep_cid); 322 break; 323 case PBAP_W2_SEND_DISCONNECT_REQUEST: 324 goep_client_request_create_disconnect(pbap_client->goep_cid); 325 pbap_client->state = PBAP_W4_DISCONNECT_RESPONSE; 326 goep_client_execute(pbap_client->goep_cid); 327 return; 328 case PBAP_W2_PULL_PHONEBOOK: 329 case PBAP_W2_GET_PHONEBOOK_SIZE: 330 goep_client_request_create_get(pbap_client->goep_cid); 331 if (pbap_client->request_number == 0){ 332 if (!pbap_client->flow_control_enabled){ 333 goep_client_header_add_srm_enable(pbap_client->goep_cid); 334 pbap_client->srm_state = SRM_W4_CONFIRM; 335 } 336 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->phonebook_path); 337 goep_client_header_add_type(pbap_client->goep_cid, pbap_phonebook_type); 338 i = 0; 339 if (pbap_client->vcard_selector_supported){ 340 // vCard Selector 341 if (pbap_client->vcard_selector){ 342 application_parameters[i++] = PBAP_APPLICATION_PARAMETER_VCARD_SELECTOR; 343 application_parameters[i++] = 8; 344 memset(&application_parameters[i], 0, 4); 345 i += 4; 346 big_endian_store_32(application_parameters, i, pbap_client->vcard_selector); 347 i += 4; 348 } 349 // vCard Selector Operator 350 if (pbap_client->vcard_selector_operator != PBAP_VCARD_SELECTOR_OPERATOR_OR){ 351 application_parameters[i++] = PBAP_APPLICATION_PARAMETER_VCARD_SELECTOR_OPERATOR; 352 application_parameters[i++] = 1; 353 application_parameters[i++] = pbap_client->vcard_selector_operator; 354 } 355 } 356 if (pbap_client->state == PBAP_W2_GET_PHONEBOOK_SIZE){ 357 // Regular TLV wih 1-byte len 358 application_parameters[i++] = PBAP_APPLICATION_PARAMETER_MAX_LIST_COUNT; 359 application_parameters[i++] = 2; 360 big_endian_store_16(application_parameters, 2, 0); 361 i += 2; 362 } 363 if (i){ 364 goep_client_header_add_application_parameters(pbap_client->goep_cid, application_parameters, i); 365 } 366 } 367 if (pbap_client->state == PBAP_W2_GET_PHONEBOOK_SIZE){ 368 // state 369 pbap_client->state = PBAP_W4_GET_PHONEBOOK_SIZE_COMPLETE; 370 } else { 371 // state 372 pbap_client->state = PBAP_W4_PHONEBOOK; 373 } 374 // send packet 375 pbap_client->request_number++; 376 goep_client_execute(pbap_client->goep_cid); 377 break; 378 case PBAP_W2_GET_CARD_LIST: 379 goep_client_request_create_get(pbap_client->goep_cid); 380 if (pbap_client->request_number == 0){ 381 if (!pbap_client->flow_control_enabled){ 382 goep_client_header_add_srm_enable(pbap_client->goep_cid); 383 pbap_client->srm_state = SRM_W4_CONFIRM; 384 } 385 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->phonebook_path); 386 goep_client_header_add_type(pbap_client->goep_cid, pbap_vcard_listing_type); 387 i = 0; 388 if (pbap_client->vcard_selector_supported){ 389 // vCard Selector 390 if (pbap_client->vcard_selector){ 391 application_parameters[i++] = PBAP_APPLICATION_PARAMETER_VCARD_SELECTOR; 392 application_parameters[i++] = 8; 393 memset(&application_parameters[i], 0, 4); 394 i += 4; 395 big_endian_store_32(application_parameters, i, pbap_client->vcard_selector); 396 i += 4; 397 } 398 // vCard Selector Operator 399 if (pbap_client->vcard_selector_operator != PBAP_VCARD_SELECTOR_OPERATOR_OR){ 400 application_parameters[i++] = PBAP_APPLICATION_PARAMETER_VCARD_SELECTOR_OPERATOR; 401 application_parameters[i++] = 1; 402 application_parameters[i++] = pbap_client->vcard_selector_operator; 403 } 404 } 405 if (pbap_client->phone_number){ 406 // Search by phone number 407 phone_number_len = btstack_min(PBAP_MAX_PHONE_NUMBER_LEN, strlen(pbap_client->phone_number)); 408 application_parameters[i++] = PBAP_APPLICATION_PARAMETER_SEARCH_VALUE; 409 application_parameters[i++] = phone_number_len; 410 (void)memcpy(&application_parameters[i], 411 pbap_client->phone_number, phone_number_len); 412 i += phone_number_len; 413 application_parameters[i++] = PBAP_APPLICATION_PARAMETER_SEARCH_PROPERTY; 414 application_parameters[i++] = 1; 415 application_parameters[i++] = 0x01; // Number 416 } 417 if (i){ 418 goep_client_header_add_application_parameters(pbap_client->goep_cid, &application_parameters[0], i); 419 } 420 } 421 422 // send packet 423 pbap_client->state = PBAP_W4_GET_CARD_LIST_COMPLETE; 424 pbap_client->request_number++; 425 goep_client_execute(pbap_client->goep_cid); 426 break; 427 case PBAP_W2_GET_CARD_ENTRY: 428 goep_client_request_create_get(pbap_client->goep_cid); 429 if (pbap_client->request_number == 0){ 430 if (!pbap_client->flow_control_enabled){ 431 goep_client_header_add_srm_enable(pbap_client->goep_cid); 432 pbap_client->srm_state = SRM_W4_CONFIRM; 433 } 434 goep_client_header_add_name(pbap_client->goep_cid, pbap_client->vcard_name); 435 goep_client_header_add_type(pbap_client->goep_cid, pbap_vcard_entry_type); 436 // TODO: support property selector 437 // TODO: support format 438 i = 0; 439 uint32_t property_selector_lower = 0; 440 uint32_t property_selector_higher = 0; 441 if (strncmp(pbap_client->vcard_name, "X-BT-UID:", 9) == 0) { 442 property_selector_lower = 1U << 31; 443 } 444 if (strncmp(pbap_client->vcard_name, "X-BT-UCI:", 9) == 0) { 445 property_selector_lower = 1U << 30; 446 } 447 if (property_selector_lower != 0){ 448 application_parameters[i++] = PBAP_APPLICATION_PARAMETER_PROPERTY_SELECTOR; 449 application_parameters[i++] = 8; 450 big_endian_store_32(application_parameters, i, property_selector_higher); 451 i += 4; 452 big_endian_store_32(application_parameters, i, property_selector_lower); 453 i += 4; 454 } 455 if (i > 0){ 456 goep_client_header_add_application_parameters(pbap_client->goep_cid, &application_parameters[0], i); 457 } 458 pbap_client->state = PBAP_W4_GET_CARD_ENTRY_COMPLETE; 459 } 460 // send packet 461 pbap_client->request_number++; 462 goep_client_execute(pbap_client->goep_cid); 463 break; 464 case PBAP_W2_SET_PATH_ROOT: 465 goep_client_request_create_set_path(pbap_client->goep_cid, 1 << 1); // Don’t create directory 466 goep_client_header_add_name(pbap_client->goep_cid, ""); 467 // state 468 pbap_client->state = PBAP_W4_SET_PATH_ROOT_COMPLETE; 469 // send packet 470 goep_client_execute(pbap_client->goep_cid); 471 break; 472 case PBAP_W2_SET_PATH_ELEMENT: 473 // find '/' or '\0' 474 path_element_start = pbap_client->set_path_offset; 475 while ((pbap_client->current_folder[pbap_client->set_path_offset] != '\0') && 476 (pbap_client->current_folder[pbap_client->set_path_offset] != '/')){ 477 pbap_client->set_path_offset++; 478 } 479 path_element_len = pbap_client->set_path_offset-path_element_start; 480 path_element = (const char *) &pbap_client->current_folder[path_element_start]; 481 482 // skip / 483 if (pbap_client->current_folder[pbap_client->set_path_offset] == '/'){ 484 pbap_client->set_path_offset++; 485 } 486 487 goep_client_request_create_set_path(pbap_client->goep_cid, 1 << 1); // Don’t create directory 488 goep_client_header_add_name_prefix(pbap_client->goep_cid, path_element, path_element_len); // next element 489 // state 490 pbap_client->state = PBAP_W4_SET_PATH_ELEMENT_COMPLETE; 491 // send packet 492 goep_client_execute(pbap_client->goep_cid); 493 break; 494 default: 495 break; 496 } 497 } 498 499 static void pbap_parse_authentication_challenge(pbap_client_t * context, const uint8_t * challenge_data, uint16_t challenge_len){ 500 int i; 501 502 for (i=0 ; i<challenge_len ; ){ 503 int tag = challenge_data[i]; 504 int len = challenge_data[i + 1]; 505 i += 2; 506 switch (tag) { 507 case 0: 508 if (len != 0x10) { 509 log_error("Invalid OBEX digest len %u", len); 510 return; 511 } 512 (void)memcpy(context->authentication_nonce, &challenge_data[i], 16); 513 break; 514 case 1: 515 context->authentication_options = challenge_data[i]; 516 break; 517 case 2: 518 // TODO: handle charset 519 // charset_code = challenge_data[i]; 520 break; 521 default: 522 break; 523 } 524 i += len; 525 } 526 } 527 528 static void obex_srm_handle_srm_header(obex_srm_t * obex_srm, uint8_t hi, uint16_t data_len, const uint8_t * data){ 529 switch (hi){ 530 case OBEX_HEADER_SINGLE_RESPONSE_MODE: 531 if (data_len != 1) break; 532 obex_srm->srm_value = *data; 533 break; 534 case OBEX_HEADER_SINGLE_RESPONSE_MODE_PARAMETER: 535 if (data_len != 1) break; 536 obex_srm->srmp_value = *data; 537 break; 538 default: 539 btstack_unreachable(); 540 break; 541 } 542 } 543 544 static void obex_srm_init(obex_srm_t * obex_srm){ 545 obex_srm->srm_value = OBEX_SRM_DISABLE; 546 obex_srm->srmp_value = OBEX_SRMP_NEXT; 547 } 548 549 550 static void pbap_handle_srm_headers(pbap_client_t * context, const obex_srm_t * obex_srm){ 551 // Update SRM state based on SRM headers 552 switch (context->srm_state){ 553 case SRM_W4_CONFIRM: 554 switch (obex_srm->srm_value){ 555 case OBEX_SRM_ENABLE: 556 switch (obex_srm->srmp_value){ 557 case OBEX_SRMP_WAIT: 558 context->srm_state = SRM_ENABLED_BUT_WAITING; 559 break; 560 default: 561 context->srm_state = SRM_ENABLED; 562 break; 563 } 564 break; 565 default: 566 context->srm_state = SRM_DISABLED; 567 break; 568 } 569 break; 570 case SRM_ENABLED_BUT_WAITING: 571 switch (obex_srm->srmp_value){ 572 case OBEX_SRMP_WAIT: 573 context->srm_state = SRM_ENABLED_BUT_WAITING; 574 break; 575 default: 576 context->srm_state = SRM_ENABLED; 577 break; 578 } 579 break; 580 default: 581 break; 582 } 583 log_info("SRM state %u", context->srm_state); 584 } 585 static void pbap_client_process_vcard_listing_body(const uint8_t * data, uint16_t data_len){ 586 while (data_len--) { 587 uint16_t char_len; 588 yxml_ret_t r = yxml_parse(&pbap_client->xml_parser, *data++); 589 switch (r) { 590 case YXML_ELEMSTART: 591 pbap_client->parser_card_found = strcmp("card", pbap_client->xml_parser.elem) == 0; 592 break; 593 case YXML_ELEMEND: 594 if (pbap_client->parser_card_found) { 595 pbap_client_emit_card_result_event(pbap_client, pbap_client->parser_name, 596 pbap_client->parser_handle); 597 } 598 pbap_client->parser_card_found = false; 599 break; 600 case YXML_ATTRSTART: 601 if (!pbap_client->parser_card_found) break; 602 if (strcmp("name", pbap_client->xml_parser.attr) == 0) { 603 pbap_client->parser_name_found = true; 604 pbap_client->parser_name[0] = 0; 605 break; 606 } 607 if (strcmp("handle", pbap_client->xml_parser.attr) == 0) { 608 pbap_client->parser_handle_found = true; 609 pbap_client->parser_handle[0] = 0; 610 break; 611 } 612 break; 613 case YXML_ATTRVAL: 614 if (pbap_client->parser_name_found) { 615 // "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." 616 char_len = strlen(pbap_client->xml_parser.data); 617 if ((strlen(pbap_client->parser_name) + char_len + 1) >= 618 sizeof(pbap_client->parser_name)) 619 break; 620 strcat(pbap_client->parser_name, pbap_client->xml_parser.data); 621 break; 622 } 623 if (pbap_client->parser_handle_found) { 624 // "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." 625 char_len = strlen(pbap_client->xml_parser.data); 626 if ((strlen(pbap_client->parser_handle) + char_len + 1) >= 627 sizeof(pbap_client->parser_handle)) 628 break; 629 strcat(pbap_client->parser_handle, pbap_client->xml_parser.data); 630 break; 631 } 632 break; 633 case YXML_ATTREND: 634 pbap_client->parser_name_found = false; 635 pbap_client->parser_handle_found = false; 636 break; 637 default: 638 break; 639 } 640 } 641 } 642 static void pbap_client_process_vcard_listing(uint8_t *packet, uint16_t size, obex_srm_t * obex_srm) { 643 obex_iterator_t it; 644 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)){ 645 uint8_t hi = obex_iterator_get_hi(&it); 646 uint16_t data_len = obex_iterator_get_data_len(&it); 647 const uint8_t * data = obex_iterator_get_data(&it); 648 switch (hi){ 649 case OBEX_HEADER_SINGLE_RESPONSE_MODE: 650 case OBEX_HEADER_SINGLE_RESPONSE_MODE_PARAMETER: 651 obex_srm_handle_srm_header(obex_srm, hi, data_len, data); 652 break; 653 case OBEX_HEADER_BODY: 654 case OBEX_HEADER_END_OF_BODY: 655 pbap_client_process_vcard_listing_body(data, data_len); 656 break; 657 default: 658 break; 659 } 660 } 661 } 662 static void pbap_packet_handler_hci(uint8_t *packet, uint16_t size){ 663 UNUSED(size); 664 uint8_t status; 665 switch (hci_event_packet_get_type(packet)) { 666 case HCI_EVENT_GOEP_META: 667 switch (hci_event_goep_meta_get_subevent_code(packet)){ 668 case GOEP_SUBEVENT_CONNECTION_OPENED: 669 status = goep_subevent_connection_opened_get_status(packet); 670 pbap_client->con_handle = goep_subevent_connection_opened_get_con_handle(packet); 671 pbap_client->incoming = goep_subevent_connection_opened_get_incoming(packet); 672 goep_subevent_connection_opened_get_bd_addr(packet, pbap_client->bd_addr); 673 if (status){ 674 log_info("pbap: connection failed %u", status); 675 pbap_client->state = PBAP_INIT; 676 pbap_client_emit_connected_event(pbap_client, status); 677 } else { 678 log_info("pbap: connection established"); 679 pbap_client->goep_cid = goep_subevent_connection_opened_get_goep_cid(packet); 680 pbap_client->state = PBAP_W2_SEND_CONNECT_REQUEST; 681 goep_client_request_can_send_now(pbap_client->goep_cid); 682 } 683 break; 684 case GOEP_SUBEVENT_CONNECTION_CLOSED: 685 if (pbap_client->state != PBAP_CONNECTED){ 686 pbap_client_emit_operation_complete_event(pbap_client, OBEX_DISCONNECTED); 687 } 688 pbap_client->state = PBAP_INIT; 689 pbap_client_emit_connection_closed_event(pbap_client); 690 break; 691 case GOEP_SUBEVENT_CAN_SEND_NOW: 692 pbap_handle_can_send_now(); 693 break; 694 default: 695 break; 696 } 697 break; 698 default: 699 break; 700 } 701 } 702 703 static void pbap_packet_handler_goep(uint8_t *packet, uint16_t size){ 704 obex_iterator_t it; 705 int wait_for_user = 0; 706 707 // get SRM and SRMP Headers 708 obex_srm_t obex_srm; 709 obex_srm_init(&obex_srm); 710 711 // TODO: handle chunked data 712 switch (pbap_client->state){ 713 case PBAP_W4_CONNECT_RESPONSE: 714 switch (packet[0]){ 715 case OBEX_RESP_SUCCESS: 716 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)){ 717 uint8_t hi = obex_iterator_get_hi(&it); 718 if (hi == OBEX_HEADER_CONNECTION_ID){ 719 goep_client_set_connection_id(pbap_client->goep_cid, obex_iterator_get_data_32(&it)); 720 } 721 } 722 pbap_client->state = PBAP_CONNECTED; 723 pbap_client->vcard_selector_supported = pbap_client_supported_features & goep_client_get_pbap_supported_features(pbap_client->goep_cid) & PBAP_SUPPORTED_FEATURES_VCARD_SELECTING; 724 pbap_client_emit_connected_event(pbap_client, ERROR_CODE_SUCCESS); 725 break; 726 case OBEX_RESP_UNAUTHORIZED: 727 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)){ 728 uint8_t hi = obex_iterator_get_hi(&it); 729 if (hi == OBEX_HEADER_AUTHENTICATION_CHALLENGE){ 730 pbap_parse_authentication_challenge(pbap_client, obex_iterator_get_data(&it), obex_iterator_get_data_len(&it)); 731 } 732 } 733 pbap_client->state = PBAP_W4_USER_AUTHENTICATION; 734 pbap_client_emit_authentication_event(pbap_client, pbap_client->authentication_options); 735 break; 736 default: 737 log_info("pbap: obex connect failed, result 0x%02x", packet[0]); 738 pbap_client->state = PBAP_INIT; 739 pbap_client_emit_connected_event(pbap_client, OBEX_CONNECT_FAILED); 740 break; 741 } 742 break; 743 case PBAP_W4_DISCONNECT_RESPONSE: 744 goep_client_disconnect(pbap_client->goep_cid); 745 break; 746 case PBAP_W4_SET_PATH_ROOT_COMPLETE: 747 case PBAP_W4_SET_PATH_ELEMENT_COMPLETE: 748 if (packet[0] == OBEX_RESP_SUCCESS){ 749 // more path? 750 if (pbap_client->current_folder[pbap_client->set_path_offset]){ 751 pbap_client->state = PBAP_W2_SET_PATH_ELEMENT; 752 goep_client_request_can_send_now(pbap_client->goep_cid); 753 } else { 754 pbap_client->current_folder = NULL; 755 pbap_client->state = PBAP_CONNECTED; 756 pbap_client_emit_operation_complete_event(pbap_client, ERROR_CODE_SUCCESS); 757 } 758 } else if (packet[0] == OBEX_RESP_NOT_FOUND){ 759 pbap_client->state = PBAP_CONNECTED; 760 pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_FOUND); 761 } else { 762 pbap_client->state = PBAP_CONNECTED; 763 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 764 } 765 break; 766 case PBAP_W4_PHONEBOOK: 767 pbap_client->flow_next_triggered = 0; 768 wait_for_user = 0; 769 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)){ 770 uint8_t hi = obex_iterator_get_hi(&it); 771 uint16_t data_len = obex_iterator_get_data_len(&it); 772 const uint8_t * data = obex_iterator_get_data(&it); 773 switch (hi){ 774 case OBEX_HEADER_SINGLE_RESPONSE_MODE: 775 case OBEX_HEADER_SINGLE_RESPONSE_MODE_PARAMETER: 776 obex_srm_handle_srm_header(&obex_srm, hi, data_len, data); 777 break; 778 case OBEX_HEADER_BODY: 779 case OBEX_HEADER_END_OF_BODY: 780 pbap_client->client_handler(PBAP_DATA_PACKET, pbap_client->cid, (uint8_t *) data, data_len); 781 wait_for_user++; 782 if (wait_for_user > 1){ 783 log_error("wait_for_user %u", wait_for_user); 784 } 785 break; 786 default: 787 break; 788 } 789 } 790 switch(packet[0]){ 791 case OBEX_RESP_CONTINUE: 792 pbap_handle_srm_headers(pbap_client, &obex_srm); 793 if (pbap_client->srm_state == SRM_ENABLED) break; 794 pbap_client->state = PBAP_W2_PULL_PHONEBOOK; 795 if (!pbap_client->flow_control_enabled || !wait_for_user || pbap_client->flow_next_triggered) { 796 goep_client_request_can_send_now(pbap_client->goep_cid); 797 } 798 break; 799 case OBEX_RESP_SUCCESS: 800 pbap_client->state = PBAP_CONNECTED; 801 pbap_client_emit_operation_complete_event(pbap_client, 0); 802 break; 803 default: 804 log_info("unexpected response 0x%02x", packet[0]); 805 pbap_client->state = PBAP_CONNECTED; 806 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 807 break; 808 } 809 break; 810 case PBAP_W4_GET_PHONEBOOK_SIZE_COMPLETE: 811 pbap_client->state = PBAP_CONNECTED; 812 if (packet[0] == OBEX_RESP_SUCCESS){ 813 int have_size = 0; 814 uint16_t phonebook_size; 815 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)){ 816 uint8_t hi = obex_iterator_get_hi(&it); 817 if (hi == OBEX_HEADER_APPLICATION_PARAMETERS){ 818 uint16_t data_len = obex_iterator_get_data_len(&it); 819 const uint8_t * data = obex_iterator_get_data(&it); 820 // iterate over application headers (TLV with 1 bytes len) 821 unsigned int i = 0; 822 while (i<data_len){ 823 uint8_t tag = data[i++]; 824 uint8_t len = data[i++]; 825 if ((tag == PBAP_APPLICATION_PARAMETER_PHONEBOOK_SIZE) && (len == 2)){ 826 have_size = 1; 827 phonebook_size = big_endian_read_16(data, i); 828 } 829 i+=len; 830 } 831 } 832 } 833 if (have_size){ 834 pbap_client_emit_phonebook_size_event(pbap_client, 0, phonebook_size); 835 break; 836 } 837 } 838 pbap_client_emit_phonebook_size_event(pbap_client, OBEX_UNKNOWN_ERROR, 0); 839 break; 840 case PBAP_W4_GET_CARD_LIST_COMPLETE: 841 switch (packet[0]){ 842 case OBEX_RESP_CONTINUE: 843 // process data 844 pbap_client_process_vcard_listing(packet, size, &obex_srm); 845 // handle continue 846 pbap_handle_srm_headers(pbap_client, &obex_srm); 847 if (pbap_client->srm_state == SRM_ENABLED) break; 848 pbap_client->state = PBAP_W2_GET_CARD_LIST; 849 if (!pbap_client->flow_control_enabled || !wait_for_user || pbap_client->flow_next_triggered) { 850 goep_client_request_can_send_now(pbap_client->goep_cid); 851 } 852 break; 853 case OBEX_RESP_SUCCESS: 854 // process data 855 pbap_client_process_vcard_listing(packet, size, &obex_srm); 856 // done 857 pbap_client->state = PBAP_CONNECTED; 858 pbap_client_emit_operation_complete_event(pbap_client, 0); 859 break; 860 case OBEX_RESP_NOT_ACCEPTABLE: 861 pbap_client->state = PBAP_CONNECTED; 862 pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_ACCEPTABLE); 863 break; 864 default: 865 log_info("unexpected response 0x%02x", packet[0]); 866 pbap_client->state = PBAP_CONNECTED; 867 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 868 break; 869 } 870 break; 871 case PBAP_W4_GET_CARD_ENTRY_COMPLETE: 872 switch (packet[0]){ 873 case OBEX_RESP_CONTINUE: 874 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)){ 875 uint8_t hi = obex_iterator_get_hi(&it); 876 uint16_t data_len = obex_iterator_get_data_len(&it); 877 const uint8_t *data = obex_iterator_get_data(&it); 878 switch (hi) { 879 case OBEX_HEADER_SINGLE_RESPONSE_MODE: 880 case OBEX_HEADER_SINGLE_RESPONSE_MODE_PARAMETER: 881 obex_srm_handle_srm_header(&obex_srm, hi, data_len, data); 882 break; 883 default: 884 break; 885 } 886 } 887 pbap_handle_srm_headers(pbap_client, &obex_srm); 888 if (pbap_client->srm_state == SRM_ENABLED) break; 889 pbap_client->state = PBAP_W2_GET_CARD_ENTRY; 890 if (!pbap_client->flow_control_enabled || !wait_for_user || pbap_client->flow_next_triggered) { 891 goep_client_request_can_send_now(pbap_client->goep_cid); 892 } 893 break; 894 case OBEX_RESP_SUCCESS: 895 pbap_client->state = PBAP_CONNECTED; 896 pbap_client_emit_operation_complete_event(pbap_client, 0); 897 break; 898 case OBEX_RESP_NOT_ACCEPTABLE: 899 pbap_client->state = PBAP_CONNECTED; 900 pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_ACCEPTABLE); 901 break; 902 default: 903 log_info("unexpected response 0x%02x", packet[0]); 904 pbap_client->state = PBAP_CONNECTED; 905 pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); 906 break; 907 } 908 break; 909 default: 910 break; 911 } 912 } 913 914 static void pbap_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 915 UNUSED(channel); // ok: there is no channel 916 UNUSED(size); // ok: handling own geop events 917 918 switch (packet_type){ 919 case HCI_EVENT_PACKET: 920 pbap_packet_handler_hci(packet, size); 921 break; 922 case GOEP_DATA_PACKET: 923 pbap_packet_handler_goep(packet, size); 924 break; 925 default: 926 break; 927 } 928 } 929 930 static void pbap_client_reset_state(void) { 931 pbap_client_supported_features = 932 PBAP_SUPPORTED_FEATURES_DOWNLOAD | 933 PBAP_SUPPORTED_FEATURES_BROWSING | 934 PBAP_SUPPORTED_FEATURES_DATABASE_IDENTIFIER | 935 PBAP_SUPPORTED_FEATURES_FOLDER_VERSION_COUNTERS | 936 PBAP_SUPPORTED_FEATURES_VCARD_SELECTING | 937 PBAP_SUPPORTED_FEATURES_ENHANCED_MISSED_CALLS | 938 PBAP_SUPPORTED_FEATURES_DEFAULT_CONTACT_IMAGE_FORMAT | 939 PBAP_SUPPORTED_FEATURES_X_BT_UCI_VCARD_PROPERTY | 940 PBAP_SUPPORTED_FEATURES_X_BT_UID_VCARD_PROPERTY | 941 PBAP_SUPPORTED_FEATURES_CONTACT_REFERENCING; 942 pbap_client->state = PBAP_INIT; 943 pbap_client->cid = 1; 944 } 945 946 void pbap_client_init(void){ 947 pbap_client_reset_state(); 948 } 949 950 void pbap_client_deinit(void){ 951 pbap_client_reset_state(); 952 memset(pbap_client, 0, sizeof(pbap_client_t)); 953 } 954 955 uint8_t pbap_connect(btstack_packet_handler_t handler, bd_addr_t addr, uint16_t * out_cid){ 956 if (pbap_client->state != PBAP_INIT){ 957 return BTSTACK_MEMORY_ALLOC_FAILED; 958 } 959 960 pbap_client->state = PBAP_W4_GOEP_CONNECTION; 961 pbap_client->client_handler = handler; 962 pbap_client->vcard_selector = 0; 963 pbap_client->vcard_selector_operator = PBAP_VCARD_SELECTOR_OPERATOR_OR; 964 965 uint8_t err = goep_client_create_connection(&pbap_packet_handler, addr, BLUETOOTH_SERVICE_CLASS_PHONEBOOK_ACCESS_PSE, &pbap_client->goep_cid); 966 *out_cid = pbap_client->cid; 967 if (err) return err; 968 return ERROR_CODE_SUCCESS; 969 } 970 971 uint8_t pbap_disconnect(uint16_t pbap_cid){ 972 UNUSED(pbap_cid); 973 if (pbap_client->state != PBAP_CONNECTED){ 974 return BTSTACK_BUSY; 975 } 976 pbap_client->state = PBAP_W2_SEND_DISCONNECT_REQUEST; 977 goep_client_request_can_send_now(pbap_client->goep_cid); 978 return ERROR_CODE_SUCCESS; 979 } 980 981 uint8_t pbap_get_phonebook_size(uint16_t pbap_cid, const char * path){ 982 UNUSED(pbap_cid); 983 if (pbap_client->state != PBAP_CONNECTED){ 984 return BTSTACK_BUSY; 985 } 986 pbap_client->state = PBAP_W2_GET_PHONEBOOK_SIZE; 987 pbap_client->phonebook_path = path; 988 pbap_client->request_number = 0; 989 goep_client_request_can_send_now(pbap_client->goep_cid); 990 return ERROR_CODE_SUCCESS; 991 } 992 993 uint8_t pbap_pull_phonebook(uint16_t pbap_cid, const char * path){ 994 UNUSED(pbap_cid); 995 if (pbap_client->state != PBAP_CONNECTED){ 996 return BTSTACK_BUSY; 997 } 998 pbap_client->state = PBAP_W2_PULL_PHONEBOOK; 999 pbap_client->phonebook_path = path; 1000 pbap_client->request_number = 0; 1001 goep_client_request_can_send_now(pbap_client->goep_cid); 1002 return ERROR_CODE_SUCCESS; 1003 } 1004 1005 uint8_t pbap_set_phonebook(uint16_t pbap_cid, const char * path){ 1006 UNUSED(pbap_cid); 1007 if (pbap_client->state != PBAP_CONNECTED){ 1008 return BTSTACK_BUSY; 1009 } 1010 pbap_client->state = PBAP_W2_SET_PATH_ROOT; 1011 pbap_client->current_folder = path; 1012 pbap_client->set_path_offset = 0; 1013 goep_client_request_can_send_now(pbap_client->goep_cid); 1014 return ERROR_CODE_SUCCESS; 1015 } 1016 1017 uint8_t pbap_authentication_password(uint16_t pbap_cid, const char * password){ 1018 UNUSED(pbap_cid); 1019 if (pbap_client->state != PBAP_W4_USER_AUTHENTICATION){ 1020 return BTSTACK_BUSY; 1021 } 1022 pbap_client->state = PBAP_W2_SEND_AUTHENTICATED_CONNECT; 1023 pbap_client->authentication_password = password; 1024 goep_client_request_can_send_now(pbap_client->goep_cid); 1025 return ERROR_CODE_SUCCESS; 1026 } 1027 1028 uint8_t pbap_pull_vcard_listing(uint16_t pbap_cid, const char * path){ 1029 UNUSED(pbap_cid); 1030 if (pbap_client->state != PBAP_CONNECTED){ 1031 return BTSTACK_BUSY; 1032 } 1033 pbap_client->state = PBAP_W2_GET_CARD_LIST; 1034 pbap_client->phonebook_path = path; 1035 pbap_client->phone_number = NULL; 1036 pbap_client->request_number = 0; 1037 pbap_client_vcard_listing_init_parser(pbap_client); 1038 goep_client_request_can_send_now(pbap_client->goep_cid); 1039 return ERROR_CODE_SUCCESS; 1040 } 1041 1042 uint8_t pbap_pull_vcard_entry(uint16_t pbap_cid, const char * path){ 1043 UNUSED(pbap_cid); 1044 if (pbap_client->state != PBAP_CONNECTED){ 1045 return BTSTACK_BUSY; 1046 } 1047 pbap_client->state = PBAP_W2_GET_CARD_ENTRY; 1048 // pbap_client->phonebook_path = NULL; 1049 // pbap_client->phone_number = NULL; 1050 pbap_client->vcard_name = path; 1051 pbap_client->request_number = 0; 1052 goep_client_request_can_send_now(pbap_client->goep_cid); 1053 return ERROR_CODE_SUCCESS; 1054 } 1055 1056 uint8_t pbap_lookup_by_number(uint16_t pbap_cid, const char * phone_number){ 1057 UNUSED(pbap_cid); 1058 if (pbap_client->state != PBAP_CONNECTED){ 1059 return BTSTACK_BUSY; 1060 } 1061 pbap_client->state = PBAP_W2_GET_CARD_LIST; 1062 pbap_client->phonebook_path = pbap_vcard_listing_name; 1063 pbap_client->phone_number = phone_number; 1064 pbap_client->request_number = 0; 1065 pbap_client_vcard_listing_init_parser(pbap_client); 1066 goep_client_request_can_send_now(pbap_client->goep_cid); 1067 return ERROR_CODE_SUCCESS; 1068 } 1069 1070 uint8_t pbap_abort(uint16_t pbap_cid){ 1071 UNUSED(pbap_cid); 1072 if (pbap_client->state != PBAP_CONNECTED){ 1073 return BTSTACK_BUSY; 1074 } 1075 log_info("abort current operation, state 0x%02x", pbap_client->state); 1076 pbap_client->abort_operation = 1; 1077 return ERROR_CODE_SUCCESS; 1078 } 1079 1080 uint8_t pbap_next_packet(uint16_t pbap_cid){ 1081 // log_info("pbap_next_packet, state %x", pbap_client->state); 1082 UNUSED(pbap_cid); 1083 if (!pbap_client->flow_control_enabled){ 1084 return ERROR_CODE_SUCCESS; 1085 } 1086 switch (pbap_client->state){ 1087 case PBAP_W2_PULL_PHONEBOOK: 1088 goep_client_request_can_send_now(pbap_client->goep_cid); 1089 break; 1090 case PBAP_W4_PHONEBOOK: 1091 pbap_client->flow_next_triggered = 1; 1092 break; 1093 default: 1094 break; 1095 } 1096 return ERROR_CODE_SUCCESS; 1097 } 1098 1099 uint8_t pbap_set_flow_control_mode(uint16_t pbap_cid, int enable){ 1100 UNUSED(pbap_cid); 1101 if (pbap_client->state != PBAP_CONNECTED){ 1102 return BTSTACK_BUSY; 1103 } 1104 pbap_client->flow_control_enabled = enable; 1105 return ERROR_CODE_SUCCESS; 1106 } 1107 1108 uint8_t pbap_set_vcard_selector(uint16_t pbap_cid, uint32_t vcard_selector){ 1109 UNUSED(pbap_cid); 1110 if (pbap_client->state != PBAP_CONNECTED){ 1111 return BTSTACK_BUSY; 1112 } 1113 pbap_client->vcard_selector = vcard_selector; 1114 return ERROR_CODE_SUCCESS; 1115 } 1116 1117 uint8_t pbap_set_vcard_selector_operator(uint16_t pbap_cid, int vcard_selector_operator){ 1118 UNUSED(pbap_cid); 1119 if (pbap_client->state != PBAP_CONNECTED){ 1120 return BTSTACK_BUSY; 1121 } 1122 pbap_client->vcard_selector_operator = vcard_selector_operator; 1123 return ERROR_CODE_SUCCESS; 1124 } 1125