| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <stdlib.h> |
| #include "../includes/common.h" |
| #include "../includes/memutils.h" |
| |
| char enable_selective_overload = ENABLE_NONE; |
| |
| #include <dlfcn.h> |
| #include <nfc_api.h> |
| #include <nfc_int.h> |
| #include <rw_int.h> |
| #include <tags_defs.h> |
| |
| // borrowed from rw_i93.cc |
| extern tRW_CB rw_cb; |
| extern tNFC_CB nfc_cb; |
| void rw_init(void); |
| tNFC_STATUS rw_i93_select(uint8_t *p_uid); |
| |
| bool kIsInitialized = false; |
| |
| // borrowed from rw_i93.cc |
| enum { |
| RW_I93_STATE_NOT_ACTIVATED, /* ISO15693 is not activated */ |
| RW_I93_STATE_IDLE, /* waiting for upper layer API */ |
| RW_I93_STATE_BUSY, /* waiting for response from tag */ |
| |
| RW_I93_STATE_DETECT_NDEF, /* performing NDEF detection precedure */ |
| RW_I93_STATE_READ_NDEF, /* performing read NDEF procedure */ |
| RW_I93_STATE_UPDATE_NDEF, /* performing update NDEF procedure */ |
| RW_I93_STATE_FORMAT, /* performing format procedure */ |
| RW_I93_STATE_SET_READ_ONLY, /* performing set read-only procedure */ |
| |
| RW_I93_STATE_PRESENCE_CHECK /* checking presence of tag */ |
| }; |
| |
| // borrowed from rw_i93.cc |
| enum { |
| RW_I93_SUBSTATE_WAIT_UID, /* waiting for response of inventory */ |
| RW_I93_SUBSTATE_WAIT_SYS_INFO, /* waiting for response of get sys info */ |
| RW_I93_SUBSTATE_WAIT_CC, /* waiting for reading CC */ |
| RW_I93_SUBSTATE_SEARCH_NDEF_TLV, /* searching NDEF TLV */ |
| RW_I93_SUBSTATE_CHECK_LOCK_STATUS, /* check if any NDEF TLV is locked */ |
| |
| RW_I93_SUBSTATE_RESET_LEN, /* set length to 0 to update NDEF TLV */ |
| RW_I93_SUBSTATE_WRITE_NDEF, /* writing NDEF and Terminator TLV */ |
| RW_I93_SUBSTATE_UPDATE_LEN, /* set length into NDEF TLV */ |
| |
| RW_I93_SUBSTATE_WAIT_RESET_DSFID_AFI, /* reset DSFID and AFI */ |
| RW_I93_SUBSTATE_CHECK_READ_ONLY, /* check if any block is locked */ |
| RW_I93_SUBSTATE_WRITE_CC_NDEF_TLV, /* write CC and empty NDEF/Terminator TLV |
| */ |
| |
| RW_I93_SUBSTATE_WAIT_UPDATE_CC, /* updating CC as read-only */ |
| RW_I93_SUBSTATE_LOCK_NDEF_TLV, /* lock blocks of NDEF TLV */ |
| RW_I93_SUBSTATE_WAIT_LOCK_CC /* lock block of CC */ |
| }; |
| |
| static void *(*real_GKI_getbuf)(uint16_t size) = nullptr; |
| static void (*real_GKI_freebuf)(void *ptr) = nullptr; |
| |
| void init(void) { |
| real_GKI_getbuf = (void *(*)(uint16_t))dlsym(RTLD_NEXT, "_Z10GKI_getbuft"); |
| if (!real_GKI_getbuf) { |
| return; |
| } |
| |
| real_GKI_freebuf = (void (*)(void *))dlsym(RTLD_NEXT, "_Z11GKI_freebufPv"); |
| if (!real_GKI_freebuf) { |
| return; |
| } |
| |
| kIsInitialized = true; |
| } |
| |
| void *GKI_getbuf(uint16_t size) { |
| if (!kIsInitialized) { |
| init(); |
| } |
| return malloc(size); |
| } |
| |
| void GKI_freebuf(void *ptr) { |
| if (!kIsInitialized) { |
| init(); |
| } |
| free(ptr); |
| } |
| |
| int main() { |
| tRW_I93_CB *p_i93 = &rw_cb.tcb.i93; |
| |
| GKI_init(); |
| rw_init(); |
| |
| uint8_t p_uid = 1; |
| if (rw_i93_select(&p_uid) != NFC_STATUS_OK) { |
| return EXIT_FAILURE; |
| } |
| |
| tNFC_CONN_CB *p_cb = &nfc_cb.conn_cb[NFC_RF_CONN_ID]; |
| nfc_cb.quick_timer_queue.p_first = (TIMER_LIST_ENT *)malloc(16); |
| tNFC_CONN_EVT event = NFC_DATA_CEVT; |
| p_i93->state = RW_I93_STATE_UPDATE_NDEF; |
| p_i93->sub_state = RW_I93_SUBSTATE_UPDATE_LEN; |
| p_i93->block_size = 30; |
| p_i93->rw_length = 1; |
| |
| enable_selective_overload = ENABLE_ALL; |
| tNFC_CONN *p_data = (tNFC_CONN *)malloc(sizeof(tNFC_CONN)); |
| if (!p_data) { |
| free(nfc_cb.quick_timer_queue.p_first); |
| return EXIT_FAILURE; |
| } |
| |
| p_data->data.p_data = (NFC_HDR *)GKI_getbuf(sizeof(NFC_HDR)); |
| if (!(p_data->data.p_data)) { |
| free(p_data); |
| free(nfc_cb.quick_timer_queue.p_first); |
| return EXIT_FAILURE; |
| } |
| enable_selective_overload = ENABLE_NONE; |
| |
| (p_data->data.p_data)->len = 10; |
| p_data->data.p_data->offset = 0; |
| p_data->status = NFC_STATUS_OK; |
| |
| p_cb->p_cback(0, event, p_data); |
| |
| free(p_data); |
| free(nfc_cb.quick_timer_queue.p_first); |
| return EXIT_SUCCESS; |
| } |