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Diffstat (limited to 'sound_card_init/sound_card_init.conf')
| -rw-r--r-- | sound_card_init/sound_card_init.conf | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/sound_card_init/sound_card_init.conf b/sound_card_init/sound_card_init.conf deleted file mode 100644 index 40bc88f8..00000000 --- a/sound_card_init/sound_card_init.conf +++ /dev/null @@ -1,80 +0,0 @@ -# Copyright 2020 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. - -# Installed by sound_card_init package. -# sound_card_init upstart job. -# sound_card_init is started by /lib/udev/rules.d/99-sound_card_init.rules - -description "Chrome OS sound card initializer" -author "chromium-os-dev@chromium.org" - -# sound_card_init is a short-running process, but we don't start it as -# a task job, because sound_card_init needs the sound card to be ready in -# CRAS therefore we do not want to block the udev rule processing. - -# Make the task killable, because if it has a leak it's better to -# restart it than to OOM-panic. -oom score 0 - -# SOUND_CARD_ID is provided by /lib/udev/rules.d/99-sound_card_init.rules. -import SOUND_CARD_ID - -pre-start script - if ! echo "${SOUND_CARD_ID}" | grep -Eq "^[a-zA-Z0-9]+$"; then - logger -t "${UPSTART_JOB}" \ - "Invalid SOUND_CARD_ID supplied" - exit 1 - else - mkdir -m 0755 -p /var/lib/sound_card_init/"${SOUND_CARD_ID}" - chown -R sound_card_init:sound_card_init /var/lib/sound_card_init - fi -end script - - -script - CONFIG="$(cros_config /audio/main sound-card-init-conf)" - if [ -f /etc/sound_card_init/"${CONFIG}" ]; then - # Here (in order) are a list of the args added: - # --uts: Create and enter new UTS namespace (hostname/NIS domain name). - # -e: doesn't need network access. - # -l: process doesn't use SysV shared memory or IPC. - # -N: doesn't need to modify control groups settings. - # -v: run inside a new VFS namespace. - # -p -r: process doesn't need to access other processes in the system. - # -n: process doesn't need new privileges. - # -P: set /mnt/empty as the root fs. - # -b: bind / - # -k: Get a writeable and empty /run tmpfs path. - # -b: need /run/cras to connect cras. - # -b: need /dev to send ioctls to the system's block devices. - # -k: empty /sys tmpfs path. - # -b: need /sys/firmware/vpd/ro/ access to read the default calibration - # value in vpd. - # -k: get a writeable and empty /var tmpfs path. - # -b: need /var/lib/sound_card_init/$SOUND_CARD_ID writable access for - # datastore update. - # -b: need /var/lib/cras readable - exec minijail0 \ - --uts \ - -e \ - -l \ - -N \ - -v \ - -p -r \ - -n \ - -P /mnt/empty \ - -b / \ - -k 'tmpfs,/run,tmpfs,MS_NODEV|MS_NOEXEC|MS_NOSUID,mode=755,size=10M' \ - -b /run/cras \ - -b /dev \ - -k 'tmpfs,/sys,tmpfs,MS_NODEV|MS_NOEXEC|MS_NOSUID,mode=755,size=10M' \ - -b /sys/firmware/vpd/ro/ \ - -k 'tmpfs,/var,tmpfs,MS_NODEV|MS_NOEXEC|MS_NOSUID,mode=755,size=10M' \ - -b /var/lib/sound_card_init/"${SOUND_CARD_ID}"/,,1 \ - -b /var/lib/cras/ \ - -u sound_card_init -g sound_card_init -G \ - -S /usr/share/policy/sound_card_init-seccomp.policy \ - /usr/bin/sound_card_init "--id=${SOUND_CARD_ID}" "--conf=${CONFIG}" - fi -end script
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