/******************************************************************************
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*
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* Copyright (C) 2020-2021 SeekWave Technology
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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*
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******************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <string.h>
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#include <utils/Log.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#define MACDEF_FOR_INCAR 1
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#define BD_ADDR_LEN 6
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unsigned char bdaddr_lap[3] = {0x12, 0x24, 0x56};
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char bdaddr_valid = 1;
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extern char skw_btsnoop_path[];
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extern void hex2String(unsigned char hex[], unsigned char str[], int N);
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void skw_addr_gen_init()
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{
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char basepath[PATH_MAX] = {0};
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char filepath[PATH_MAX] = {0};
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int size = strlen(skw_btsnoop_path);
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int i;
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for(i = size - 1; i > 0; i--)//get log dir
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{
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char ch = skw_btsnoop_path[i];
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if((ch == '/') || (ch == '\\'))
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{
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memcpy(basepath, skw_btsnoop_path, i);
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//ALOGD("cp:%d", i);
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break;
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}
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}
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snprintf(filepath, PATH_MAX, "%s/skwbdaddr.txt", basepath);
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ALOGD("%s, %s", __func__, filepath);
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FILE *fp = fopen(filepath, "r"); //read only
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if(fp == NULL)//file not exist
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{
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fp = fopen(filepath, "w"); //file not exist, create it
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srand(time(NULL));
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if(fp)
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{
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bdaddr_lap[0] = (unsigned char)(rand() & 0xFF);
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bdaddr_lap[1] = (unsigned char)(rand() & 0xFF);
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bdaddr_lap[2] = (unsigned char)(rand() & 0xFF);
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fwrite(bdaddr_lap, 3, 1, fp);
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fflush(fp);
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fclose(fp);
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}
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else
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{
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bdaddr_valid = 0;
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}
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//else use default addr
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}
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else
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{
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fread(bdaddr_lap, 3, 1, fp);
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fclose(fp);
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}
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ALOGD("%s, addr valid:%d, %02X %02X %02X", __func__, bdaddr_valid, bdaddr_lap[0], bdaddr_lap[1], bdaddr_lap[2]);
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}
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#if MACDEF_FOR_INCAR
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#define VENDOR_REQ_TAG 0x56524551
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#define VENDOR_READ_IO _IOW('v', 0x01, unsigned int)
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#define VENDOR_WRITE_IO _IOW('v', 0x02, unsigned int)
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#define VENDOR_SN_ID 1
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#define VENDOR_WIFI_MAC_ID 2
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#define VENDOR_LAN_MAC_ID 3
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#define VENDOR_BLUETOOTH_ID 4
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struct rk_vendor_req
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{
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uint32_t tag;
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uint16_t id;
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uint16_t len;
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uint8_t data[1];
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};
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int m_get_mac_address(uint8_t *local_addr)
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{
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int ret ;
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uint8_t p_buf[64];
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struct rk_vendor_req *req;
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req = (struct rk_vendor_req *)p_buf;
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int sys_fd = open("/dev/vendor_storage", O_RDWR, 0);
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if(sys_fd < 0)
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{
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ALOGE("vendor_storage open fail\n");
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return -1;
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}
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req->tag = VENDOR_REQ_TAG;
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req->id = VENDOR_BLUETOOTH_ID;
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req->len = 6;
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ret = ioctl(sys_fd, VENDOR_READ_IO, req);
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if (!ret)
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{
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//uint8_t str_buffer[32] = {0};
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int i = 0, j = BD_ADDR_LEN - 1;
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for(; i < BD_ADDR_LEN; i++, j--)
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{
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local_addr[i] = req->data[j];
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}
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//memcpy(local_addr, req->data, BD_ADDR_LEN);
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//hex2String(local_addr, str_buffer, BD_ADDR_LEN);
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//ALOGE("bt addr get ok:%s", str_buffer);
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}
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close(sys_fd);
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return 0;
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}
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#endif
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char skw_addr_check_valid(unsigned char *bd_addr)
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{
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uint32_t addr_check = 0;
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int i ;
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for( i = 0; i < BD_ADDR_LEN; i++)
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{
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addr_check += bd_addr[i];
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}
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return (addr_check > 0);
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}
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/*
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Get bd addr from AP
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if address exist, return 1, else 0
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*/
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char skw_addr_from_ap(unsigned char *bd_addr)
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{
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memset(bd_addr, 0, BD_ADDR_LEN);
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#if MACDEF_FOR_INCAR
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if(m_get_mac_address(bd_addr) == 0)
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{
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return skw_addr_check_valid(bd_addr);
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}
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#endif
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return 0;
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}
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void skw_addr_get(unsigned char *buffer)
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{
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if(bdaddr_valid > 0)
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{
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buffer[0] = bdaddr_lap[0];
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buffer[1] = bdaddr_lap[1];
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buffer[2] = bdaddr_lap[2];
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}
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}
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