mirror of
https://github.com/flatcar/scripts.git
synced 2025-08-09 05:56:58 +02:00
ac0346a9dd
Rather than pull the initial set from /lib/udev/devices, we move them to /lib/chromiumos/devices. We also whitelist the udev maintainer script since we don't need to have it create devices in /lib/udev/devices and we also do not need it to create the persistent rules files. Review URL: http://codereview.chromium.org/552056
263 lines
11 KiB
Bash
Executable File
263 lines
11 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
# Copyright (c) 2009 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.
|
|
|
|
# Script to customize the root file system after packages have been installed.
|
|
#
|
|
# NOTE: This script should be called by build_image.sh. Do not run this
|
|
# on your own unless you know what you are doing.
|
|
|
|
# Load common constants. This should be the first executable line.
|
|
# The path to common.sh should be relative to your script's location.
|
|
. "$(dirname "$0")/common.sh"
|
|
|
|
# Script must be run inside the chroot
|
|
assert_inside_chroot
|
|
|
|
# Flags
|
|
DEFINE_string target "x86" \
|
|
"The target architecture to build for. One of { x86, arm }."
|
|
DEFINE_string root "" \
|
|
"The root file system to customize."
|
|
|
|
# Parse command line
|
|
FLAGS "$@" || exit 1
|
|
eval set -- "${FLAGS_ARGV}"
|
|
|
|
# Die on any errors.
|
|
set -e
|
|
|
|
ROOT_FS_DIR="$FLAGS_root"
|
|
if [[ -z "$ROOT_FS_DIR" ]]; then
|
|
echo "Error: --root is required."
|
|
exit 1
|
|
fi
|
|
if [[ ! -d "$ROOT_FS_DIR" ]]; then
|
|
echo "Error: Root FS does not exist? ($ROOT_FS_DIR)"
|
|
exit 1
|
|
fi
|
|
|
|
# Determine default user full username.
|
|
if [ ${CHROMEOS_OFFICIAL:-0} = 1 ]; then
|
|
FULLNAME="Google Chrome OS User"
|
|
else
|
|
FULLNAME="Chromium OS User"
|
|
fi
|
|
|
|
# Determine what password to use for the default user.
|
|
CRYPTED_PASSWD_FILE="${SCRIPTS_DIR}/shared_user_passwd.txt"
|
|
if [ -f $CRYPTED_PASSWD_FILE ]; then
|
|
echo "Using password from $CRYPTED_PASSWD_FILE"
|
|
CRYPTED_PASSWD=$(cat $CRYPTED_PASSWD_FILE)
|
|
else
|
|
# Use a random password. unix_md5_crypt will generate a random salt.
|
|
echo "Using random password."
|
|
PASSWORD="$(base64 /dev/urandom | head -1)"
|
|
CRYPTED_PASSWD="$(echo "$PASSWORD" | openssl passwd -1 -stdin)"
|
|
PASSWORD="gone now"
|
|
fi
|
|
|
|
# Set up a default user and add to sudo and the required groups.
|
|
ADD_USER="chronos"
|
|
ADD_GROUPS="audio video"
|
|
SHELL="/bin/sh"
|
|
if [[ -x "${ROOT_FS_DIR}/bin/bash" ]] ; then
|
|
SHELL="/bin/bash"
|
|
fi
|
|
echo "${ADD_USER}:x:1000:1000:${FULLNAME}:/home/${ADD_USER}/:${SHELL}" | \
|
|
sudo dd of="${ROOT_FS_DIR}/etc/passwd" conv=notrunc oflag=append
|
|
echo "${ADD_USER}:${CRYPTED_PASSWD}:14500:0:99999::::" | \
|
|
sudo dd of="${ROOT_FS_DIR}/etc/shadow" conv=notrunc oflag=append
|
|
echo "${ADD_USER}:x:1000:" | \
|
|
sudo dd of="${ROOT_FS_DIR}/etc/group" conv=notrunc oflag=append
|
|
for i in $ADD_GROUPS; do
|
|
sudo sed -i "s/^\($i:x:[0-9]*:.*\)/\1,${ADD_USER}/g" \
|
|
"${ROOT_FS_DIR}"/etc/group
|
|
done
|
|
|
|
sudo mkdir -p "${ROOT_FS_DIR}/home/${ADD_USER}"
|
|
sudo chown 1000.1000 "${ROOT_FS_DIR}/home/${ADD_USER}"
|
|
cat <<EOF | sudo dd of="${ROOT_FS_DIR}/etc/sudoers" conv=notrunc oflag=append
|
|
%adm ALL=(ALL) ALL
|
|
$ADD_USER ALL=(ALL) ALL
|
|
EOF
|
|
sudo chmod 0440 "${ROOT_FS_DIR}/etc/sudoers"
|
|
echo "# Allow chronos user to renice processes so that chrome will adjust tab priorities" | \
|
|
sudo dd of="${ROOT_FS_DIR}/etc/security/limits.conf" conv=notrunc oflag=append
|
|
echo "chronos hard nice 0" | \
|
|
sudo dd of="${ROOT_FS_DIR}/etc/security/limits.conf" conv=notrunc oflag=append
|
|
|
|
# Set CHROMEOS_VERSION_DESCRIPTION here (uses vars set in chromeos_version.sh)
|
|
# Was removed from chromeos_version.sh which can also be run outside of chroot
|
|
# where CHROMEOS_REVISION is set
|
|
# We have to set (in build_image.sh) and use REAL_USER due to many nested
|
|
# chroots which lose $USER state.
|
|
. "${SCRIPTS_DIR}/chromeos_version.sh"
|
|
if [ ${CHROMEOS_OFFICIAL:-0} = 1 ]; then
|
|
export CHROMEOS_VERSION_DESCRIPTION="${CHROMEOS_VERSION_STRING} (Official Build ${CHROMEOS_REVISION:?})"
|
|
elif [ "$REAL_USER" = "chrome-bot" ]
|
|
then
|
|
export CHROMEOS_VERSION_DESCRIPTION="${CHROMEOS_VERSION_STRING} (Continuous Build ${CHROMEOS_REVISION:?} - Builder: ${BUILDBOT_BUILD:-"N/A"})"
|
|
else
|
|
# Use the $USER passthru via $CHROMEOS_RELEASE_CODENAME
|
|
export CHROMEOS_VERSION_DESCRIPTION="${CHROMEOS_VERSION_STRING} (Developer Build ${CHROMEOS_REVISION:?} - $(date) - $CHROMEOS_RELEASE_CODENAME)"
|
|
fi
|
|
|
|
# Set google-specific version numbers:
|
|
# CHROMEOS_RELEASE_CODENAME is the codename of the release.
|
|
# CHROMEOS_RELEASE_DESCRIPTION is the version displayed by Chrome; see
|
|
# chrome/browser/chromeos/chromeos_version_loader.cc.
|
|
# CHROMEOS_RELEASE_NAME is a human readable name for the build.
|
|
# CHROMEOS_RELEASE_TRACK and CHROMEOS_RELEASE_VERSION are used by the software
|
|
# update service.
|
|
# TODO(skrul): Remove GOOGLE_RELEASE once Chromium is updated to look at
|
|
# CHROMEOS_RELEASE_VERSION for UserAgent data.
|
|
cat <<EOF | sudo dd of="${ROOT_FS_DIR}/etc/lsb-release"
|
|
CHROMEOS_RELEASE_CODENAME=$CHROMEOS_VERSION_CODENAME
|
|
CHROMEOS_RELEASE_DESCRIPTION=$CHROMEOS_VERSION_DESCRIPTION
|
|
CHROMEOS_RELEASE_NAME=$CHROMEOS_VERSION_NAME
|
|
CHROMEOS_RELEASE_TRACK=$CHROMEOS_VERSION_TRACK
|
|
CHROMEOS_RELEASE_VERSION=$CHROMEOS_VERSION_STRING
|
|
GOOGLE_RELEASE=$CHROMEOS_VERSION_STRING
|
|
CHROMEOS_AUSERVER=$CHROMEOS_VERSION_AUSERVER
|
|
CHROMEOS_DEVSERVER=$CHROMEOS_VERSION_DEVSERVER
|
|
EOF
|
|
|
|
# Turn user metrics logging on for official builds only.
|
|
if [ ${CHROMEOS_OFFICIAL:-0} -eq 1 ]; then
|
|
sudo touch "${ROOT_FS_DIR}/etc/send_metrics"
|
|
fi
|
|
|
|
# Set timezone symlink
|
|
sudo rm -f "${ROOT_FS_DIR}/etc/localtime"
|
|
sudo ln -s /mnt/stateful_partition/etc/localtime "${ROOT_FS_DIR}/etc/localtime"
|
|
|
|
# make a mountpoint for stateful partition
|
|
sudo mkdir -p "$ROOT_FS_DIR"/mnt/stateful_partition
|
|
sudo chmod 0755 "$ROOT_FS_DIR"/mnt
|
|
sudo chmod 0755 "$ROOT_FS_DIR"/mnt/stateful_partition
|
|
|
|
# Copy everything from the rootfs_static_data directory to the corresponding
|
|
# place on the filesystem. Note that this step has to occur after we've
|
|
# installed all of the packages.
|
|
TMP_STATIC=$(mktemp -d)
|
|
sudo cp -r "${SRC_ROOT}/rootfs_static_data/common/." "$TMP_STATIC"
|
|
# TODO: Copy additional target-platform-specific subdirectories.
|
|
sudo chmod -R a+rX "$TMP_STATIC/."
|
|
sudo cp -r "$TMP_STATIC/." "$ROOT_FS_DIR"
|
|
sudo rm -rf "$TMP_STATIC"
|
|
|
|
# Fix issue where alsa-base (dependency of alsa-utils) is messing up our sound
|
|
# drivers. The stock modprobe settings worked fine.
|
|
# TODO: Revisit when we have decided on how sound will work on chromeos.
|
|
! sudo rm "${ROOT_FS_DIR}/etc/modprobe.d/alsa-base.conf"
|
|
|
|
# Remove unneeded fonts.
|
|
sudo rm -rf "${ROOT_FS_DIR}/usr/share/fonts/X11"
|
|
|
|
# The udev daemon takes a long time to start up and settle so we defer it until
|
|
# after X11 has been started. In order to be able to mount the root file system
|
|
# and start X we pre-populate some devices. These are copied into /dev by the
|
|
# chromeos_startup script.
|
|
# TODO: Hopefully some of this can be taken care of by devtmpfs.
|
|
DEVICES_DIR="${ROOT_FS_DIR}/lib/chromiumos/devices"
|
|
sudo mkdir -p "$DEVICES_DIR"/dri
|
|
sudo mkdir -p "$DEVICES_DIR"/input
|
|
sudo mkdir -p "$DEVICES_DIR"/pts
|
|
sudo mkdir -p "$DEVICES_DIR"/shm
|
|
sudo ln -sf /proc/self/fd "$DEVICES_DIR"/fd
|
|
sudo ln -sf /proc/self/fd/0 "$DEVICES_DIR"/stdin
|
|
sudo ln -sf /proc/self/fd/1 "$DEVICES_DIR"/stdout
|
|
sudo ln -sf /proc/self/fd/2 "$DEVICES_DIR"/stderr
|
|
sudo mknod --mode=0600 "$DEVICES_DIR"/initctl p
|
|
sudo mknod --mode=0640 "$DEVICES_DIR"/mem c 1 1
|
|
sudo mknod --mode=0666 "$DEVICES_DIR"/null c 1 3
|
|
sudo mknod --mode=0666 "$DEVICES_DIR"/zero c 1 5
|
|
sudo mknod --mode=0666 "$DEVICES_DIR"/random c 1 8
|
|
sudo mknod --mode=0666 "$DEVICES_DIR"/urandom c 1 9
|
|
sudo mknod --mode=0660 "$DEVICES_DIR"/tty0 c 4 0
|
|
sudo mknod --mode=0660 "$DEVICES_DIR"/tty1 c 4 1
|
|
sudo mknod --mode=0660 "$DEVICES_DIR"/tty2 c 4 2
|
|
sudo mknod --mode=0666 "$DEVICES_DIR"/tty c 5 0
|
|
sudo mknod --mode=0660 "$DEVICES_DIR"/ttyMSM2 c 252 2
|
|
sudo mknod --mode=0600 "$DEVICES_DIR"/console c 5 1
|
|
sudo mknod --mode=0666 "$DEVICES_DIR"/ptmx c 5 2
|
|
sudo mknod --mode=0666 "$DEVICES_DIR"/loop0 b 7 0
|
|
sudo mknod --mode=0660 "$DEVICES_DIR"/sda b 8 0
|
|
sudo mknod --mode=0660 "$DEVICES_DIR"/sda1 b 8 1
|
|
sudo mknod --mode=0660 "$DEVICES_DIR"/sda2 b 8 2
|
|
sudo mknod --mode=0660 "$DEVICES_DIR"/sda3 b 8 3
|
|
sudo mknod --mode=0660 "$DEVICES_DIR"/sda4 b 8 4
|
|
sudo mknod --mode=0660 "$DEVICES_DIR"/sdb b 8 16
|
|
sudo mknod --mode=0660 "$DEVICES_DIR"/sdb1 b 8 17
|
|
sudo mknod --mode=0660 "$DEVICES_DIR"/sdb2 b 8 18
|
|
sudo mknod --mode=0660 "$DEVICES_DIR"/sdb3 b 8 19
|
|
sudo mknod --mode=0660 "$DEVICES_DIR"/sdb4 b 8 20
|
|
sudo mknod --mode=0640 "$DEVICES_DIR"/input/mouse0 c 13 32
|
|
sudo mknod --mode=0640 "$DEVICES_DIR"/input/mice c 13 63
|
|
sudo mknod --mode=0640 "$DEVICES_DIR"/input/event0 c 13 64
|
|
sudo mknod --mode=0640 "$DEVICES_DIR"/input/event1 c 13 65
|
|
sudo mknod --mode=0640 "$DEVICES_DIR"/input/event2 c 13 66
|
|
sudo mknod --mode=0640 "$DEVICES_DIR"/input/event3 c 13 67
|
|
sudo mknod --mode=0640 "$DEVICES_DIR"/input/event4 c 13 68
|
|
sudo mknod --mode=0640 "$DEVICES_DIR"/input/event5 c 13 69
|
|
sudo mknod --mode=0640 "$DEVICES_DIR"/input/event6 c 13 70
|
|
sudo mknod --mode=0640 "$DEVICES_DIR"/input/event7 c 13 71
|
|
sudo mknod --mode=0640 "$DEVICES_DIR"/input/event8 c 13 72
|
|
sudo mknod --mode=0660 "$DEVICES_DIR"/fb0 c 29 0
|
|
sudo mknod --mode=0660 "$DEVICES_DIR"/dri/card0 c 226 0
|
|
sudo chown root.tty "$DEVICES_DIR"/tty*
|
|
sudo chown root.kmem "$DEVICES_DIR"/mem
|
|
sudo chown root.disk "$DEVICES_DIR"/sda*
|
|
sudo chown root.video "$DEVICES_DIR"/fb0
|
|
sudo chown root.video "$DEVICES_DIR"/dri/card0
|
|
|
|
# Since we may mount read-only, our mtab should symlink to /proc
|
|
sudo ln -sf /proc/mounts "${ROOT_FS_DIR}/etc/mtab"
|
|
|
|
# For the most part, we use our own set of Upstart jobs that were installed
|
|
# in /etc/init.chromeos so as not to mingle with jobs installed by various
|
|
# packages. We fix that up now.
|
|
sudo cp "${ROOT_FS_DIR}/etc/init/tty2.conf" "${ROOT_FS_DIR}/etc/init.chromeos"
|
|
sudo rm -rf "${ROOT_FS_DIR}/etc/init"
|
|
sudo mv "${ROOT_FS_DIR}/etc/init.chromeos" "${ROOT_FS_DIR}/etc/init"
|
|
|
|
# By default, xkb writes computed configuration data to
|
|
# /var/lib/xkb. It can re-use this data to reduce startup
|
|
# time. In addition, if it fails to write we've observed
|
|
# keyboard issues. We add a symlink to allow these writes.
|
|
sudo rm -rf "${ROOT_FS_DIR}/var/lib/xkb"
|
|
sudo ln -s /var/cache "${ROOT_FS_DIR}/var/lib/xkb"
|
|
|
|
# This is needed so that devicekit-disks has a place to
|
|
# put its sql lite database. Since we do not need to
|
|
# retain this information across boots, we are just
|
|
# putting it in /var/tmp
|
|
sudo rm -rf "${ROOT_FS_DIR}/var/lib/DeviceKit-disks"
|
|
sudo ln -s /var/tmp "${ROOT_FS_DIR}/var/lib/DeviceKit-disks"
|
|
|
|
# dbus-uuidgen writes machine-id to /var/lib/dbus.
|
|
sudo rm -f "${ROOT_FS_DIR}/var/lib/dbus/machine-id"
|
|
sudo ln -s /var/cache/machine-id "${ROOT_FS_DIR}/var/lib/dbus/machine-id"
|
|
|
|
# Remove pam-mount's default entry in common-auth and common-session
|
|
sudo sed -i 's/^\(.*pam_mount.so.*\)/#\1/g' "${ROOT_FS_DIR}"/etc/pam.d/common-*
|
|
|
|
# A nice fake hostname to keep things happy.
|
|
echo "localhost" | sudo dd of="${ROOT_FS_DIR}/etc/hostname"
|
|
|
|
# Clear the network settings. This must be done last, since it prevents
|
|
# any subsequent steps from accessing the network.
|
|
cat <<EOF | sudo dd of="${ROOT_FS_DIR}/etc/network/interfaces"
|
|
auto lo
|
|
iface lo inet loopback
|
|
EOF
|
|
|
|
cat <<EOF | sudo dd of="${ROOT_FS_DIR}/etc/resolv.conf"
|
|
# Use the connman dns proxy.
|
|
nameserver 127.0.0.1
|
|
EOF
|
|
sudo chmod a-wx "${ROOT_FS_DIR}/etc/resolv.conf"
|