mirror of
https://github.com/LineageOS/android_device_essential_mata.git
synced 2026-04-03 14:26:37 +00:00
585748e3c5
* btaddr_extract cannot be used anymore since ro.boot.btmacaddr is not writable by vendor domains. bluetooth_prop is off-limits to vendor domains now. * Have the Bluetooth HAL impl directly read /persist/bluetooth/.bt_nv.bin itself and pull the MAC address out. Change-Id: If4b2b99345eb470c140523906a56299ec5decc9a
65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
//
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// Copyright 2016 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include "bluetooth_address.h"
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#include <errno.h>
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#include <fcntl.h>
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#include <string.h>
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#include <unistd.h>
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#include <utils/Log.h>
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namespace {
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constexpr char kNvPath[] = "/persist/bluetooth/.bt_nv.bin";
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constexpr size_t kNvPathSize = 9;
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}
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namespace android {
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namespace hardware {
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namespace bluetooth {
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namespace V1_0 {
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namespace implementation {
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bool BluetoothAddress::get_local_address(uint8_t* local_addr) {
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int addr_fd = open(kNvPath, O_RDONLY);
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if (addr_fd != -1) {
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char address[kNvPathSize] = {0};
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int bytes_read = read(addr_fd, address, kNvPathSize);
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if (bytes_read == -1) {
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ALOGE("%s: Error reading address from %s: %s", __func__, kNvPath,
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strerror(errno));
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}
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close(addr_fd);
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// Swap into local_addr
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local_addr[0] = address[8];
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local_addr[1] = address[7];
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local_addr[2] = address[6];
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local_addr[3] = address[5];
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local_addr[4] = address[4];
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local_addr[5] = address[3];
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return true;
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}
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return false;
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}
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} // namespace implementation
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} // namespace V1_0
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} // namespace bluetooth
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} // namespace hardware
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} // namespace android
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