| # Copyright 2021 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| description "Bluetooth Adapter" |
| author "ChromeOS BT <chromeos-bt-team@google.com>" |
| |
| # Limit respawning in case of crashloop |
| respawn limit 10 5 |
| respawn |
| |
| # This daemon manages the Bluetooth connections on a system. It can be killed at |
| # the cost of an interruption in Bluetooth connectivity. |
| oom score -100 |
| |
| import HCI |
| instance $HCI |
| |
| pre-start script |
| if [ "$HCI" -ge "0" ] 2>/dev/null; then |
| # HCI is a valid value (number >= 0) so do nothing. |
| # Values < 0 and non-numerical values will fall through. |
| : |
| else |
| # Invalid HCI value should fail |
| logger -is -p daemon.warning -t "${UPSTART_JOB}" -- \ |
| "Invalid params on btadapterd. HCI=${HCI}" |
| exit 1 |
| fi |
| end script |
| |
| post-stop script |
| rm "/run/bluetooth/bluetooth${HCI}.pid" |
| end script |
| |
| # Set GD flags; format is INIT_gd_<> |
| env GD_FLAGS="INIT_gd_hci=true" |
| |
| script |
| # -u bluetooth changes user. |
| # -g bluetooth changes group. |
| # -G inherit bluetooth's supplementary groups. |
| # -n prevents that execve gains privileges, required for seccomp filters. |
| # -c 803500 = cap_sys_nice (1 << 23) | cap_net_raw (1 << 13) | \ |
| # cap_net_admin (1 << 12) | cap_net_bind_service (1 << 10) | \ |
| # cap_setpcap (1 << 8) |
| exec minijail0 \ |
| -u bluetooth -g bluetooth -G -n \ |
| -c 803500 \ |
| -- /usr/bin/btadapterd --hci=$HCI ${GD_FLAGS} |
| end script |
