/* * Copyright (C) 2014 BlueKitchen GmbH * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the copyright holders nor the names of * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * 4. Any redistribution, use, or modification is done solely for * personal benefit and not for any commercial purpose or for * monetary gain. * * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * Please inquire about commercial licensing options at * contact@bluekitchen-gmbh.com * */ #define BTSTACK_FILE__ "pbap_client.c" #include "btstack_config.h" #include #include #include "hci_cmd.h" #include "btstack_run_loop.h" #include "btstack_debug.h" #include "hci.h" #include "btstack_memory.h" #include "hci_dump.h" #include "l2cap.h" #include "bluetooth_sdp.h" #include "classic/sdp_client_rfcomm.h" #include "btstack_event.h" #include "md5.h" #include "yxml.h" #include "classic/obex.h" #include "classic/obex_iterator.h" #include "classic/goep_client.h" #include "classic/pbap_client.h" // 796135f0-f0c5-11d8-0966- 0800200c9a66 static const uint8_t pbap_uuid[] = { 0x79, 0x61, 0x35, 0xf0, 0xf0, 0xc5, 0x11, 0xd8, 0x09, 0x66, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66}; const char * pbap_phonebook_type = "x-bt/phonebook"; const char * pbap_vcard_listing_type = "x-bt/vcard-listing"; const char * pbap_vcard_entry_type = "x-bt/vcard"; const char * pbap_vcard_listing_name = "pb"; static uint32_t pbap_supported_features = \ PBAP_SUPPORTED_FEATURES_DOWNLOAD | PBAP_SUPPORTED_FEATURES_BROWSING | PBAP_SUPPORTED_FEATURES_DATABASE_IDENTIFIER | PBAP_SUPPORTED_FEATURES_FOLDER_VERSION_COUNTERS | PBAP_SUPPORTED_FEATURES_VCARD_SELECTING | PBAP_SUPPORTED_FEATURES_ENHANCED_MISSED_CALLS | PBAP_SUPPORTED_FEATURES_DEFAULT_CONTACT_IMAGE_FORMAT | PBAP_SUPPORTED_FEATURES_X_BT_UCI_VCARD_PROPERTY | PBAP_SUPPORTED_FEATURES_X_BT_UID_VCARD_PROPERTY | PBAP_SUPPORTED_FEATURES_CONTACT_REFERENCING; typedef enum { PBAP_INIT = 0, PBAP_W4_GOEP_CONNECTION, PBAP_W2_SEND_CONNECT_REQUEST, PBAP_W4_CONNECT_RESPONSE, PBAP_W4_USER_AUTHENTICATION, PBAP_W2_SEND_AUTHENTICATED_CONNECT, PBAP_CONNECT_RESPONSE_RECEIVED, PBAP_CONNECTED, // PBAP_W2_SEND_DISCONNECT_REQUEST, PBAP_W4_DISCONNECT_RESPONSE, // PBAP_W2_PULL_PHONEBOOK, PBAP_W4_PHONEBOOK, PBAP_W2_SET_PATH_ROOT, PBAP_W4_SET_PATH_ROOT_COMPLETE, PBAP_W2_SET_PATH_ELEMENT, PBAP_W4_SET_PATH_ELEMENT_COMPLETE, PBAP_W2_GET_PHONEBOOK_SIZE, PBAP_W4_GET_PHONEBOOK_SIZE_COMPLETE, // - pull vacard liast PBAP_W2_GET_CARD_LIST, PBAP_W4_GET_CARD_LIST_COMPLETE, // - pull vcard entry PBAP_W2_GET_CARD_ENTRY, PBAP_W4_GET_CARD_ENTRY_COMPLETE } pbap_state_t; typedef enum { SRM_DISABLED, SRM_W4_CONFIRM, SRM_ENABLED_BUT_WAITING, SRM_ENABLED } srm_state_t; typedef struct pbap_client { pbap_state_t state; uint16_t cid; bd_addr_t bd_addr; hci_con_handle_t con_handle; uint8_t incoming; uint16_t goep_cid; btstack_packet_handler_t client_handler; int request_number; srm_state_t srm_state; const char * current_folder; const char * phone_number; const char * phonebook_path; const char * vcard_name; uint16_t set_path_offset; /* vcard selector / operator */ uint32_t vcard_selector; uint8_t vcard_selector_operator; uint8_t vcard_selector_supported; /* abort */ uint8_t abort_operation; /* authentication */ uint8_t authentication_options; uint16_t authentication_nonce[16]; const char * authentication_password; /* xml parser */ yxml_t xml_parser; uint8_t xml_buffer[50]; /* flow control mode */ uint8_t flow_control_enabled; uint8_t flow_next_triggered; } pbap_client_t; static pbap_client_t _pbap_client; static pbap_client_t * pbap_client = &_pbap_client; static void pbap_client_emit_connected_event(pbap_client_t * context, uint8_t status){ uint8_t event[15]; int pos = 0; event[pos++] = HCI_EVENT_PBAP_META; pos++; // skip len event[pos++] = PBAP_SUBEVENT_CONNECTION_OPENED; little_endian_store_16(event,pos,context->cid); pos+=2; event[pos++] = status; (void)memcpy(&event[pos], context->bd_addr, 6); pos += 6; little_endian_store_16(event,pos,context->con_handle); pos += 2; event[pos++] = context->incoming; event[1] = pos - 2; if (pos != sizeof(event)) log_error("goep_client_emit_connected_event size %u", pos); context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); } static void pbap_client_emit_connection_closed_event(pbap_client_t * context){ uint8_t event[5]; int pos = 0; event[pos++] = HCI_EVENT_PBAP_META; pos++; // skip len event[pos++] = PBAP_SUBEVENT_CONNECTION_CLOSED; little_endian_store_16(event,pos,context->cid); pos+=2; event[1] = pos - 2; if (pos != sizeof(event)) log_error("pbap_client_emit_connection_closed_event size %u", pos); context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); } static void pbap_client_emit_operation_complete_event(pbap_client_t * context, uint8_t status){ uint8_t event[6]; int pos = 0; event[pos++] = HCI_EVENT_PBAP_META; pos++; // skip len event[pos++] = PBAP_SUBEVENT_OPERATION_COMPLETED; little_endian_store_16(event,pos,context->cid); pos+=2; event[pos++]= status; event[1] = pos - 2; if (pos != sizeof(event)) log_error("pbap_client_emit_can_send_now_event size %u", pos); context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); } static void pbap_client_emit_phonebook_size_event(pbap_client_t * context, uint8_t status, uint16_t phonebook_size){ uint8_t event[8]; int pos = 0; event[pos++] = HCI_EVENT_PBAP_META; pos++; // skip len event[pos++] = PBAP_SUBEVENT_PHONEBOOK_SIZE; little_endian_store_16(event,pos,context->cid); pos+=2; event[pos++] = status; little_endian_store_16(event,pos, phonebook_size); pos+=2; event[1] = pos - 2; if (pos != sizeof(event)) log_error("pbap_client_emit_phonebook_size_event size %u", pos); context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); } static void pbap_client_emit_authentication_event(pbap_client_t * context, uint8_t options){ // split options uint8_t user_id_required = (options & 1) ? 1 : 0; uint8_t full_access = (options & 2) ? 1 : 0; uint8_t event[7]; int pos = 0; event[pos++] = HCI_EVENT_PBAP_META; pos++; // skip len event[pos++] = PBAP_SUBEVENT_AUTHENTICATION_REQUEST; little_endian_store_16(event,pos,context->cid); pos+=2; event[pos++] = user_id_required; event[pos++] = full_access; if (pos != sizeof(event)) log_error("pbap_client_emit_authentication_event size %u", pos); context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); } static void pbap_client_emit_card_result_event(pbap_client_t * context, const char * name, const char * handle){ uint8_t event[5 + PBAP_MAX_NAME_LEN + PBAP_MAX_HANDLE_LEN]; int pos = 0; event[pos++] = HCI_EVENT_PBAP_META; pos++; // skip len event[pos++] = PBAP_SUBEVENT_CARD_RESULT; little_endian_store_16(event,pos,context->cid); pos+=2; int name_len = btstack_min(PBAP_MAX_NAME_LEN, strlen(name)); event[pos++] = name_len; (void)memcpy(&event[pos], name, name_len); pos += name_len; int handle_len = btstack_min(PBAP_MAX_HANDLE_LEN, strlen(handle)); event[pos++] = handle_len; (void)memcpy(&event[pos], handle, handle_len); pos += handle_len; event[1] = pos - 2; context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); } static const uint8_t collon = (uint8_t) ':'; static void pbap_handle_can_send_now(void){ uint8_t path_element[20]; uint16_t path_element_start; uint16_t path_element_len; uint8_t application_parameters[PBAP_MAX_PHONE_NUMBER_LEN + 10]; uint8_t challenge_response[36]; int i; uint16_t phone_number_len; MD5_CTX md5_ctx; if (pbap_client->abort_operation){ pbap_client->abort_operation = 0; pbap_client->state = PBAP_CONNECTED; goep_client_request_create_abort(pbap_client->goep_cid); goep_client_execute(pbap_client->goep_cid); return; } switch (pbap_client->state){ case PBAP_W2_SEND_CONNECT_REQUEST: goep_client_request_create_connect(pbap_client->goep_cid, OBEX_VERSION, 0, OBEX_MAX_PACKETLEN_DEFAULT); goep_client_header_add_target(pbap_client->goep_cid, pbap_uuid, 16); // Mandatory if the PSE advertises a PbapSupportedFeatures attribute in its SDP record, else excluded. if (goep_client_get_pbap_supported_features(pbap_client->goep_cid) != PBAP_FEATURES_NOT_PRESENT){ application_parameters[0] = PBAP_APPLICATION_PARAMETER_PBAP_SUPPORTED_FEATURES; application_parameters[1] = 4; big_endian_store_32(application_parameters, 2, pbap_supported_features); goep_client_header_add_application_parameters(pbap_client->goep_cid, &application_parameters[0], 6); } pbap_client->state = PBAP_W4_CONNECT_RESPONSE; goep_client_execute(pbap_client->goep_cid); break; case PBAP_W2_SEND_AUTHENTICATED_CONNECT: goep_client_request_create_connect(pbap_client->goep_cid, OBEX_VERSION, 0, OBEX_MAX_PACKETLEN_DEFAULT); goep_client_header_add_target(pbap_client->goep_cid, pbap_uuid, 16); // setup authentication challenge response i = 0; challenge_response[i++] = 0; // Tag Digest challenge_response[i++] = 16; // Len // calculate md5 MD5_Init(&md5_ctx); MD5_Update(&md5_ctx, pbap_client->authentication_nonce, 16); MD5_Update(&md5_ctx, &collon, 1); MD5_Update(&md5_ctx, pbap_client->authentication_password, strlen(pbap_client->authentication_password)); MD5_Final(&challenge_response[i], &md5_ctx); i += 16; challenge_response[i++] = 2; // Tag Nonce challenge_response[i++] = 16; // Len (void)memcpy(&challenge_response[i], pbap_client->authentication_nonce, 16); i += 16; goep_client_header_add_challenge_response(pbap_client->goep_cid, challenge_response, i); pbap_client->state = PBAP_W4_CONNECT_RESPONSE; goep_client_execute(pbap_client->goep_cid); break; case PBAP_W2_SEND_DISCONNECT_REQUEST: goep_client_request_create_disconnect(pbap_client->goep_cid); pbap_client->state = PBAP_W4_DISCONNECT_RESPONSE; goep_client_execute(pbap_client->goep_cid); return; case PBAP_W2_PULL_PHONEBOOK: case PBAP_W2_GET_PHONEBOOK_SIZE: goep_client_request_create_get(pbap_client->goep_cid); if (pbap_client->request_number == 0){ if (!pbap_client->flow_control_enabled){ goep_client_header_add_srm_enable(pbap_client->goep_cid); pbap_client->srm_state = SRM_W4_CONFIRM; } goep_client_header_add_name(pbap_client->goep_cid, pbap_client->phonebook_path); goep_client_header_add_type(pbap_client->goep_cid, pbap_phonebook_type); i = 0; if (pbap_client->vcard_selector_supported){ // vCard Selector if (pbap_client->vcard_selector){ application_parameters[i++] = PBAP_APPLICATION_PARAMETER_VCARD_SELECTOR; application_parameters[i++] = 8; memset(&application_parameters[i], 0, 4); i += 4; big_endian_store_32(application_parameters, i, pbap_client->vcard_selector); i += 4; } // vCard Selector Operator if (pbap_client->vcard_selector_operator != PBAP_VCARD_SELECTOR_OPERATOR_OR){ application_parameters[i++] = PBAP_APPLICATION_PARAMETER_VCARD_SELECTOR_OPERATOR; application_parameters[i++] = 1; application_parameters[i++] = pbap_client->vcard_selector_operator; } } if (pbap_client->state == PBAP_W2_GET_PHONEBOOK_SIZE){ // Regular TLV wih 1-byte len application_parameters[i++] = PBAP_APPLICATION_PARAMETER_MAX_LIST_COUNT; application_parameters[i++] = 2; big_endian_store_16(application_parameters, 2, 0); i += 2; } if (i){ goep_client_header_add_application_parameters(pbap_client->goep_cid, application_parameters, i); } } if (pbap_client->state == PBAP_W2_GET_PHONEBOOK_SIZE){ // state pbap_client->state = PBAP_W4_GET_PHONEBOOK_SIZE_COMPLETE; } else { // state pbap_client->state = PBAP_W4_PHONEBOOK; } // send packet pbap_client->request_number++; goep_client_execute(pbap_client->goep_cid); break; case PBAP_W2_GET_CARD_LIST: goep_client_request_create_get(pbap_client->goep_cid); if (pbap_client->request_number == 0){ if (!pbap_client->flow_control_enabled){ goep_client_header_add_srm_enable(pbap_client->goep_cid); pbap_client->srm_state = SRM_W4_CONFIRM; } goep_client_header_add_name(pbap_client->goep_cid, pbap_client->phonebook_path); goep_client_header_add_type(pbap_client->goep_cid, pbap_vcard_listing_type); i = 0; if (pbap_client->vcard_selector_supported){ // vCard Selector if (pbap_client->vcard_selector){ application_parameters[i++] = PBAP_APPLICATION_PARAMETER_VCARD_SELECTOR; application_parameters[i++] = 8; memset(&application_parameters[i], 0, 4); i += 4; big_endian_store_32(application_parameters, i, pbap_client->vcard_selector); i += 4; } // vCard Selector Operator if (pbap_client->vcard_selector_operator != PBAP_VCARD_SELECTOR_OPERATOR_OR){ application_parameters[i++] = PBAP_APPLICATION_PARAMETER_VCARD_SELECTOR_OPERATOR; application_parameters[i++] = 1; application_parameters[i++] = pbap_client->vcard_selector_operator; } } if (pbap_client->phone_number){ // Search by phpone number phone_number_len = btstack_min(PBAP_MAX_PHONE_NUMBER_LEN, strlen(pbap_client->phone_number)); application_parameters[i++] = PBAP_APPLICATION_PARAMETER_SEARCH_VALUE; application_parameters[i++] = phone_number_len; (void)memcpy(&application_parameters[i], pbap_client->phone_number, phone_number_len); i += phone_number_len; application_parameters[i++] = PBAP_APPLICATION_PARAMETER_SEARCH_PROPERTY; application_parameters[i++] = 1; application_parameters[i++] = 0x01; // Number } if (i){ goep_client_header_add_application_parameters(pbap_client->goep_cid, &application_parameters[0], i); } } // send packet pbap_client->state = PBAP_W4_GET_CARD_LIST_COMPLETE; pbap_client->request_number++; goep_client_execute(pbap_client->goep_cid); break; case PBAP_W2_GET_CARD_ENTRY: goep_client_request_create_get(pbap_client->goep_cid); if (pbap_client->request_number == 0){ if (!pbap_client->flow_control_enabled){ goep_client_header_add_srm_enable(pbap_client->goep_cid); pbap_client->srm_state = SRM_W4_CONFIRM; } goep_client_header_add_name(pbap_client->goep_cid, pbap_client->vcard_name); goep_client_header_add_type(pbap_client->goep_cid, pbap_vcard_entry_type); i = 0; if (i){ // TODO: support property selector // TODO: support format goep_client_header_add_application_parameters(pbap_client->goep_cid, &application_parameters[0], i); } pbap_client->state = PBAP_W4_GET_CARD_ENTRY_COMPLETE; } // send packet pbap_client->request_number++; goep_client_execute(pbap_client->goep_cid); break; case PBAP_W2_SET_PATH_ROOT: goep_client_request_create_set_path(pbap_client->goep_cid, 1 << 1); // Don’t create directory goep_client_header_add_name(pbap_client->goep_cid, ""); // state pbap_client->state = PBAP_W4_SET_PATH_ROOT_COMPLETE; // send packet goep_client_execute(pbap_client->goep_cid); break; case PBAP_W2_SET_PATH_ELEMENT: // find '/' or '\0' path_element_start = pbap_client->set_path_offset; while ((pbap_client->current_folder[pbap_client->set_path_offset] != '\0') && (pbap_client->current_folder[pbap_client->set_path_offset] != '/')){ pbap_client->set_path_offset++; } path_element_len = pbap_client->set_path_offset-path_element_start; (void)memcpy(path_element, &pbap_client->current_folder[path_element_start], path_element_len); path_element[path_element_len] = 0; // skip / if (pbap_client->current_folder[pbap_client->set_path_offset] == '/'){ pbap_client->set_path_offset++; } // status log_info("Path element '%s'", path_element); goep_client_request_create_set_path(pbap_client->goep_cid, 1 << 1); // Don’t create directory goep_client_header_add_name(pbap_client->goep_cid, (const char *) path_element); // next element // state pbap_client->state = PBAP_W4_SET_PATH_ELEMENT_COMPLETE; // send packet goep_client_execute(pbap_client->goep_cid); break; default: break; } } static void pbap_parse_authentication_challenge(pbap_client_t * context, const uint8_t * challenge_data, uint16_t challenge_len){ int i; for (i=0 ; iauthentication_nonce, &challenge_data[i], 16); break; case 1: context->authentication_options = challenge_data[i]; break; case 2: // TODO: handle charset // charset_code = challenge_data[i]; break; default: break; } i += len; } } static void pbap_process_srm_headers(pbap_client_t * context, uint8_t *packet, uint16_t size){ if (packet[0] != OBEX_RESP_CONTINUE) return; // get SRM and SRMP Headers int srm_value = OBEX_SRM_DISABLE; int srmp_value = OBEX_SRMP_NEXT; obex_iterator_t it; for (obex_iterator_init_with_response_packet(&it, goep_client_get_request_opcode(context->goep_cid), packet, size); obex_iterator_has_more(&it) ; obex_iterator_next(&it)){ uint8_t hi = obex_iterator_get_hi(&it); uint16_t data_len = obex_iterator_get_data_len(&it); const uint8_t * data = obex_iterator_get_data(&it); switch (hi){ case OBEX_HEADER_SINGLE_RESPONSE_MODE: if (data_len != 1) break; srm_value = *data; break; case OBEX_HEADER_SINGLE_RESPONSE_MODE_PARAMETER: if (data_len != 1) break; srmp_value = *data; break; default: break; } } // Update SRM state based on SRM haders switch (context->srm_state){ case SRM_W4_CONFIRM: switch (srm_value){ case OBEX_SRM_ENABLE: switch (srmp_value){ case OBEX_SRMP_WAIT: context->srm_state = SRM_ENABLED_BUT_WAITING; break; default: context->srm_state = SRM_ENABLED; break; } break; default: context->srm_state = SRM_DISABLED; break; } break; case SRM_ENABLED_BUT_WAITING: switch (srmp_value){ case OBEX_SRMP_WAIT: context->srm_state = SRM_ENABLED_BUT_WAITING; break; default: context->srm_state = SRM_ENABLED; break; } break; default: break; } log_info("SRM state %u", context->srm_state); } static void pbap_client_process_vcard_listing(uint8_t *packet, uint16_t size){ obex_iterator_t it; 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)){ uint8_t hi = obex_iterator_get_hi(&it); if ((hi == OBEX_HEADER_END_OF_BODY) || (hi == OBEX_HEADER_BODY)){ uint16_t data_len = obex_iterator_get_data_len(&it); const uint8_t * data = obex_iterator_get_data(&it); // now try parsing it yxml_init(&pbap_client->xml_parser, pbap_client->xml_buffer, sizeof(pbap_client->xml_buffer)); int card_found = 0; int name_found = 0; int handle_found = 0; char name[PBAP_MAX_NAME_LEN]; char handle[PBAP_MAX_HANDLE_LEN]; uint16_t char_len; while (data_len--){ yxml_ret_t r = yxml_parse(&pbap_client->xml_parser, *data++); switch (r){ case YXML_ELEMSTART: card_found = strcmp("card", pbap_client->xml_parser.elem) == 0; break; case YXML_ELEMEND: if (card_found){ pbap_client_emit_card_result_event(pbap_client, name, handle); } card_found = 0; break; case YXML_ATTRSTART: if (!card_found) break; if (strcmp("name", pbap_client->xml_parser.attr) == 0){ name_found = 1; name[0] = 0; break; } if (strcmp("handle", pbap_client->xml_parser.attr) == 0){ handle_found = 1; handle[0] = 0; break; } break; case YXML_ATTRVAL: if (name_found) { // "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." char_len = strlen(pbap_client->xml_parser.data); if ((strlen(name) + char_len + 1) >= sizeof(name)) break; strcat(name, pbap_client->xml_parser.data); break; } if (handle_found) { // "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." char_len = strlen(pbap_client->xml_parser.data); if ((strlen(handle) + char_len + 1) >= sizeof(handle)) break; strcat(handle, pbap_client->xml_parser.data); break; } break; case YXML_ATTREND: name_found = 0; handle_found = 0; break; default: break; } } } } } static void pbap_packet_handler_hci(uint8_t *packet, uint16_t size){ UNUSED(size); uint8_t status; switch (hci_event_packet_get_type(packet)) { case HCI_EVENT_GOEP_META: switch (hci_event_goep_meta_get_subevent_code(packet)){ case GOEP_SUBEVENT_CONNECTION_OPENED: status = goep_subevent_connection_opened_get_status(packet); pbap_client->con_handle = goep_subevent_connection_opened_get_con_handle(packet); pbap_client->incoming = goep_subevent_connection_opened_get_incoming(packet); goep_subevent_connection_opened_get_bd_addr(packet, pbap_client->bd_addr); if (status){ log_info("pbap: connection failed %u", status); pbap_client->state = PBAP_INIT; pbap_client_emit_connected_event(pbap_client, status); } else { log_info("pbap: connection established"); pbap_client->goep_cid = goep_subevent_connection_opened_get_goep_cid(packet); pbap_client->state = PBAP_W2_SEND_CONNECT_REQUEST; goep_client_request_can_send_now(pbap_client->goep_cid); } break; case GOEP_SUBEVENT_CONNECTION_CLOSED: if (pbap_client->state != PBAP_CONNECTED){ pbap_client_emit_operation_complete_event(pbap_client, OBEX_DISCONNECTED); } pbap_client->state = PBAP_INIT; pbap_client_emit_connection_closed_event(pbap_client); break; case GOEP_SUBEVENT_CAN_SEND_NOW: pbap_handle_can_send_now(); break; default: break; } break; default: break; } } static void pbap_packet_handler_goep(uint8_t *packet, uint16_t size){ obex_iterator_t it; int wait_for_user = 0; // TODO: handle chunked data switch (pbap_client->state){ case PBAP_W4_CONNECT_RESPONSE: switch (packet[0]){ case OBEX_RESP_SUCCESS: 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)){ uint8_t hi = obex_iterator_get_hi(&it); if (hi == OBEX_HEADER_CONNECTION_ID){ goep_client_set_connection_id(pbap_client->goep_cid, obex_iterator_get_data_32(&it)); } } pbap_client->state = PBAP_CONNECTED; pbap_client->vcard_selector_supported = pbap_supported_features & goep_client_get_pbap_supported_features(pbap_client->goep_cid) & PBAP_SUPPORTED_FEATURES_VCARD_SELECTING; pbap_client_emit_connected_event(pbap_client, 0); break; case OBEX_RESP_UNAUTHORIZED: 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)){ uint8_t hi = obex_iterator_get_hi(&it); if (hi == OBEX_HEADER_AUTHENTICATION_CHALLENGE){ pbap_parse_authentication_challenge(pbap_client, obex_iterator_get_data(&it), obex_iterator_get_data_len(&it)); } } pbap_client->state = PBAP_W4_USER_AUTHENTICATION; pbap_client_emit_authentication_event(pbap_client, pbap_client->authentication_options); break; default: log_info("pbap: obex connect failed, result 0x%02x", packet[0]); pbap_client->state = PBAP_INIT; pbap_client_emit_connected_event(pbap_client, OBEX_CONNECT_FAILED); break; } break; case PBAP_W4_DISCONNECT_RESPONSE: goep_client_disconnect(pbap_client->goep_cid); break; case PBAP_W4_SET_PATH_ROOT_COMPLETE: case PBAP_W4_SET_PATH_ELEMENT_COMPLETE: if (packet[0] == OBEX_RESP_SUCCESS){ // more path? if (pbap_client->current_folder[pbap_client->set_path_offset]){ pbap_client->state = PBAP_W2_SET_PATH_ELEMENT; goep_client_request_can_send_now(pbap_client->goep_cid); } else { pbap_client->current_folder = NULL; pbap_client->state = PBAP_CONNECTED; pbap_client_emit_operation_complete_event(pbap_client, 0); } } else if (packet[0] == OBEX_RESP_NOT_FOUND){ pbap_client->state = PBAP_CONNECTED; pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_FOUND); } else { pbap_client->state = PBAP_CONNECTED; pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); } break; case PBAP_W4_PHONEBOOK: pbap_client->flow_next_triggered = 0; wait_for_user = 0; 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)){ uint8_t hi = obex_iterator_get_hi(&it); uint16_t data_len = obex_iterator_get_data_len(&it); const uint8_t * data = obex_iterator_get_data(&it); switch (hi){ case OBEX_HEADER_BODY: case OBEX_HEADER_END_OF_BODY: pbap_client->client_handler(PBAP_DATA_PACKET, pbap_client->cid, (uint8_t *) data, data_len); wait_for_user++; if (wait_for_user > 1){ log_error("wait_for_user %u", wait_for_user); } break; default: break; } } switch(packet[0]){ case OBEX_RESP_CONTINUE: pbap_process_srm_headers(pbap_client, packet, size); if (pbap_client->srm_state == SRM_ENABLED) break; pbap_client->state = PBAP_W2_PULL_PHONEBOOK; if (!pbap_client->flow_control_enabled || !wait_for_user || pbap_client->flow_next_triggered) { goep_client_request_can_send_now(pbap_client->goep_cid); } break; case OBEX_RESP_SUCCESS: pbap_client->state = PBAP_CONNECTED; pbap_client_emit_operation_complete_event(pbap_client, 0); break; default: log_info("unexpected response 0x%02x", packet[0]); pbap_client->state = PBAP_CONNECTED; pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); break; } break; case PBAP_W4_GET_PHONEBOOK_SIZE_COMPLETE: pbap_client->state = PBAP_CONNECTED; if (packet[0] == OBEX_RESP_SUCCESS){ int have_size = 0; uint16_t phonebook_size; 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)){ uint8_t hi = obex_iterator_get_hi(&it); if (hi == OBEX_HEADER_APPLICATION_PARAMETERS){ uint16_t data_len = obex_iterator_get_data_len(&it); const uint8_t * data = obex_iterator_get_data(&it); // iterate over application headers (TLV with 1 bytes len) unsigned int i = 0; while (isrm_state == SRM_ENABLED) break; pbap_client->state = PBAP_W2_GET_CARD_LIST; if (!pbap_client->flow_control_enabled || !wait_for_user || pbap_client->flow_next_triggered) { goep_client_request_can_send_now(pbap_client->goep_cid); } break; case OBEX_RESP_SUCCESS: // process data pbap_client_process_vcard_listing(packet, size); // done pbap_client->state = PBAP_CONNECTED; pbap_client_emit_operation_complete_event(pbap_client, 0); break; case OBEX_RESP_NOT_ACCEPTABLE: pbap_client->state = PBAP_CONNECTED; pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_ACCEPTABLE); break; default: log_info("unexpected response 0x%02x", packet[0]); pbap_client->state = PBAP_CONNECTED; pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); break; } break; case PBAP_W4_GET_CARD_ENTRY_COMPLETE: switch (packet[0]){ case OBEX_RESP_CONTINUE: pbap_process_srm_headers(pbap_client, packet, size); if (pbap_client->srm_state == SRM_ENABLED) break; pbap_client->state = PBAP_W2_GET_CARD_ENTRY; if (!pbap_client->flow_control_enabled || !wait_for_user || pbap_client->flow_next_triggered) { goep_client_request_can_send_now(pbap_client->goep_cid); } break; case OBEX_RESP_SUCCESS: 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)){ uint8_t hi = obex_iterator_get_hi(&it); if ((hi == OBEX_HEADER_END_OF_BODY) || (hi == OBEX_HEADER_BODY)){ // uint16_t data_len = obex_iterator_get_data_len(&it); // const uint8_t * data = obex_iterator_get_data(&it); // now try parsing it } } pbap_client->state = PBAP_CONNECTED; pbap_client_emit_operation_complete_event(pbap_client, 0); break; case OBEX_RESP_NOT_ACCEPTABLE: pbap_client->state = PBAP_CONNECTED; pbap_client_emit_operation_complete_event(pbap_client, OBEX_NOT_ACCEPTABLE); break; default: log_info("unexpected response 0x%02x", packet[0]); pbap_client->state = PBAP_CONNECTED; pbap_client_emit_operation_complete_event(pbap_client, OBEX_UNKNOWN_ERROR); break; } break; default: break; } } static void pbap_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ UNUSED(channel); // ok: there is no channel UNUSED(size); // ok: handling own geop events switch (packet_type){ case HCI_EVENT_PACKET: pbap_packet_handler_hci(packet, size); break; case GOEP_DATA_PACKET: pbap_packet_handler_goep(packet, size); break; default: break; } } void pbap_client_init(void){ memset(pbap_client, 0, sizeof(pbap_client_t)); pbap_client->state = PBAP_INIT; pbap_client->cid = 1; } void pbap_client_deinit(void){ } uint8_t pbap_connect(btstack_packet_handler_t handler, bd_addr_t addr, uint16_t * out_cid){ if (pbap_client->state != PBAP_INIT) return BTSTACK_MEMORY_ALLOC_FAILED; pbap_client->state = PBAP_W4_GOEP_CONNECTION; pbap_client->client_handler = handler; pbap_client->vcard_selector = 0; pbap_client->vcard_selector_operator = PBAP_VCARD_SELECTOR_OPERATOR_OR; uint8_t err = goep_client_create_connection(&pbap_packet_handler, addr, BLUETOOTH_SERVICE_CLASS_PHONEBOOK_ACCESS_PSE, &pbap_client->goep_cid); *out_cid = pbap_client->cid; if (err) return err; return 0; } uint8_t pbap_disconnect(uint16_t pbap_cid){ UNUSED(pbap_cid); if (pbap_client->state != PBAP_CONNECTED) return BTSTACK_BUSY; pbap_client->state = PBAP_W2_SEND_DISCONNECT_REQUEST; goep_client_request_can_send_now(pbap_client->goep_cid); return 0; } uint8_t pbap_get_phonebook_size(uint16_t pbap_cid, const char * path){ UNUSED(pbap_cid); if (pbap_client->state != PBAP_CONNECTED) return BTSTACK_BUSY; pbap_client->state = PBAP_W2_GET_PHONEBOOK_SIZE; pbap_client->phonebook_path = path; pbap_client->request_number = 0; goep_client_request_can_send_now(pbap_client->goep_cid); return 0; } uint8_t pbap_pull_phonebook(uint16_t pbap_cid, const char * path){ UNUSED(pbap_cid); if (pbap_client->state != PBAP_CONNECTED) return BTSTACK_BUSY; pbap_client->state = PBAP_W2_PULL_PHONEBOOK; pbap_client->phonebook_path = path; pbap_client->request_number = 0; goep_client_request_can_send_now(pbap_client->goep_cid); return 0; } uint8_t pbap_set_phonebook(uint16_t pbap_cid, const char * path){ UNUSED(pbap_cid); if (pbap_client->state != PBAP_CONNECTED) return BTSTACK_BUSY; pbap_client->state = PBAP_W2_SET_PATH_ROOT; pbap_client->current_folder = path; pbap_client->set_path_offset = 0; goep_client_request_can_send_now(pbap_client->goep_cid); return 0; } uint8_t pbap_authentication_password(uint16_t pbap_cid, const char * password){ UNUSED(pbap_cid); if (pbap_client->state != PBAP_W4_USER_AUTHENTICATION) return BTSTACK_BUSY; pbap_client->state = PBAP_W2_SEND_AUTHENTICATED_CONNECT; pbap_client->authentication_password = password; goep_client_request_can_send_now(pbap_client->goep_cid); return 0; } uint8_t pbap_pull_vcard_listing(uint16_t pbap_cid, const char * path){ UNUSED(pbap_cid); if (pbap_client->state != PBAP_CONNECTED) return BTSTACK_BUSY; pbap_client->state = PBAP_W2_GET_CARD_LIST; pbap_client->phonebook_path = path; pbap_client->phone_number = NULL; pbap_client->request_number = 0; goep_client_request_can_send_now(pbap_client->goep_cid); return 0; } uint8_t pbap_pull_vcard_entry(uint16_t pbap_cid, const char * path){ UNUSED(pbap_cid); if (pbap_client->state != PBAP_CONNECTED) return BTSTACK_BUSY; pbap_client->state = PBAP_W2_GET_CARD_ENTRY; // pbap_client->phonebook_path = NULL; // pbap_client->phone_number = NULL; pbap_client->vcard_name = path; pbap_client->request_number = 0; goep_client_request_can_send_now(pbap_client->goep_cid); return 0; } uint8_t pbap_lookup_by_number(uint16_t pbap_cid, const char * phone_number){ UNUSED(pbap_cid); if (pbap_client->state != PBAP_CONNECTED) return BTSTACK_BUSY; pbap_client->state = PBAP_W2_GET_CARD_LIST; pbap_client->phonebook_path = pbap_vcard_listing_name; pbap_client->phone_number = phone_number; pbap_client->request_number = 0; goep_client_request_can_send_now(pbap_client->goep_cid); return 0; } uint8_t pbap_abort(uint16_t pbap_cid){ UNUSED(pbap_cid); log_info("abort current operation, state 0x%02x", pbap_client->state); pbap_client->abort_operation = 1; goep_client_request_can_send_now(pbap_client->goep_cid); return 0; } uint8_t pbap_next_packet(uint16_t pbap_cid){ // log_info("pbap_next_packet, state %x", pbap_client->state); UNUSED(pbap_cid); if (!pbap_client->flow_control_enabled) return 0; switch (pbap_client->state){ case PBAP_W2_PULL_PHONEBOOK: goep_client_request_can_send_now(pbap_client->goep_cid); break; case PBAP_W4_PHONEBOOK: pbap_client->flow_next_triggered = 1; break; default: break; } return 0; } uint8_t pbap_set_flow_control_mode(uint16_t pbap_cid, int enable){ UNUSED(pbap_cid); if (pbap_client->state != PBAP_CONNECTED) return BTSTACK_BUSY; pbap_client->flow_control_enabled = enable; return 0; } uint8_t pbap_set_vcard_selector(uint16_t pbap_cid, uint32_t vcard_selector){ UNUSED(pbap_cid); pbap_client->vcard_selector = vcard_selector; return 0; } uint8_t pbap_set_vcard_selector_operator(uint16_t pbap_cid, int vcard_selector_operator){ UNUSED(pbap_cid); pbap_client->vcard_selector_operator = vcard_selector_operator; return 0; }