chaps/init/chapsd.conf

# Copyright (c) 2011 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     "Start the Chaps daemon (chapsd)"
author          "chromium-os-dev@chromium.org"

# Starts the Chaps daemon, which provides TPM-backed cryptographic services.

start on started tpm_managerd and started boot-services
stop on stopping boot-services
respawn

# 32MByte RLIMIT_MEMLOCK, this is required because chapsd uses SecureBlob
# extensively, and SecureBlob uses mlock().
# TODO(crbug.com/1096198): Lower this once we found the root cause.
limit memlock 134217728 134217728

pre-start script
  mkdir -p /var/lib/chaps
  chown chaps:chronos-access /var/lib/chaps
end script

exec /usr/sbin/chapsd --auto_load_system_token

post-start script
  # Wait for daemon to claim its D-Bus name.
  minijail0 -u chaps -G \
    /usr/bin/gdbus wait --system --timeout 15 org.chromium.Chaps
  # Running this in background to prevent upstart deadlock on chapsd.
  # For example: chapsd crashed before the it restores TPM tokens.
  (cryptohome --action=pkcs11_restore_tpm_tokens | logger -e -t chaps-restore) &
end script