arc/container/myfiles/arc-myfiles-write.conf

# Copyright 2018 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

description   "Mount /home/chronos/user/MyFiles for ARC."
author        "chromium-os-dev@chromium.org"

start on starting arcpp-media-sharing-services
stop on stopping arcpp-media-sharing-services

# Default score for Android system processes.
oom score -100

import IS_ANDROID_CONTAINER_RVC
import MEDIA_PROVIDER_UID

env SOURCE=/home/chronos/user/MyFiles
env DEST=/run/arc/media/MyFiles-write
env UMASK=007
env ANDROID_ROOT_UID=0
env ANDROID_EVERYBODY_GID=9997

pre-start exec logger -t "${UPSTART_JOB}" "Pre-start ${UPSTART_JOB}"

script
  optional_args=""
  if [ "${IS_ANDROID_CONTAINER_RVC}" = "true" ]; then
    # Verify input string provided by chronos. See crbug/1414511.
    if ! expr "${MEDIA_PROVIDER_UID}" : "^[0-9]\+$" > /dev/null; then
      logger -t "${UPSTART_JOB}" \
        "Invalid MEDIA_PROVIDER_UID: ${MEDIA_PROVIDER_UID}"
      exit 1
    fi
    optional_args="--media_provider_uid=${MEDIA_PROVIDER_UID}"
    optional_args="${optional_args} --enable_casefold_lookup"
  fi

  # syslog-cat is used to redirect stdio from sdcard to the logging daemon.
  # minijail is used in the mount-passthrough-jailed script.
  exec /usr/sbin/syslog-cat --identifier="${UPSTART_JOB}" -- \
    mount-passthrough-jailed --source="${SOURCE}" --dest="${DEST}" \
      --fuse_umask="${UMASK}" --fuse_uid="${ANDROID_ROOT_UID}" \
      --fuse_gid="${ANDROID_EVERYBODY_GID}" --android_app_access_type="write" \
      ${optional_args}
end script

post-stop exec logger -t "${UPSTART_JOB}" "Post-stop ${UPSTART_JOB}"