distribution/packages/sysutils/busybox/scripts/init

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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (C) 2010-2011 Roman Weber (roman@openelec.tv)
# Copyright (C) 2012 Yann Cézard (eesprit@free.fr)
# Copyright (C) 2009-2014 Stephan Raue (stephan@openelec.tv)
# Copyright (C) 2016-2018 Team LibreELEC (https://libreelec.tv)
# Copyright (C) 2018-present Team CoreELEC (https://coreelec.org)
# Copyright (C) 2020-present Fewtarius
# create directories
/usr/bin/busybox mkdir -p /dev
/usr/bin/busybox mkdir -p /proc
/usr/bin/busybox mkdir -p /sys
/usr/bin/busybox mkdir -p /tmp
/usr/bin/busybox mkdir -p /flash
/usr/bin/busybox mkdir -p /sysroot
/usr/bin/busybox mkdir -p /storage
# temp mountpoint for updates
/usr/bin/busybox mkdir -p /update
# mount all needed special filesystems
/usr/bin/busybox mount -t devtmpfs devtmpfs /dev
/usr/bin/busybox mount -t proc proc /proc
/usr/bin/busybox mount -t sysfs sysfs /sys
# set needed variables
MODULE_DIR=/usr/lib/modules
UPDATE_ROOT=/storage/.update
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UPDATE_DIR="${UPDATE_ROOT}"
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UPDATE_KERNEL="@KERNEL_NAME@"
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UPDATE_SYSTEM="SYSTEM"
IMAGE_KERNEL="@KERNEL_NAME@"
IMAGE_SYSTEM="SYSTEM"
BOOT_STEP="start"
MD5_FAILED="0"
RUN_FSCK="yes"
RUN_FSCK_DISKS=""
SYSLINUX_DEFAULT=""
GRUB_DEFAULT=""
NBD_DEVS="0"
FLASH_FREE_MIN="5"
LIVE="no"
BREAK_TRIPPED="no"
BIGFONT="1080"
TEE_PID=""
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exec 1>/dev/console
exec 2>/dev/null
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# common functions
. /functions 2>/dev/null
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. /device.init 2>/dev/null
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# Get a serial number if present (eg. RPi) otherwise use MAC address from eth0
MACHINE_UID="$(awk '/^Serial/{s='0000000' $3; print substr(s, length(s) - 7)}' /proc/cpuinfo 2>/dev/null)"
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[ -z "${MACHINE_UID}" ] && MACHINE_UID="$(cat /sys/class/net/eth0/address 2>/dev/null | tr -d :)"
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clear >/dev/console
# script functions
progress() {
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if test "${PROGRESS}" = "yes"; then
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echo "### $1 ###" >&2
fi
}
debug_msg() {
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echo "$1" >&${SILENT_OUT}
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}
debug_shell() {
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echo "### Starting debugging shell for boot step: ${BOOT_STEP}... type exit to quit ###"
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showcursor
setsid cttyhack sh
}
error() {
# Display fatal error message
# $1:action which caused error, $2:message
# Send debug_shell output to stderr, in case caller is redirecting/consuming stdout
# Return exitcode=1 so that called may detect when an error has occurred
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echo "*** Error in ${BOOT_STEP}: $1: $2 ***" >&2
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debug_shell >&2
return 1
}
break_after() {
# Start debug shell after boot step $1, and all subsequent steps
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if [ ${BREAK_TRIPPED} == yes ]; then
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debug_shell
else
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case ${BREAK} in
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all|*$1*)
BREAK_TRIPPED=yes
debug_shell
;;
esac
fi
}
# Mount handlers
# All handlers take the following parameters:
# $1:target, $2:mountpoint, $3:mount options, [$4:fs type]
mount_common() {
# Common mount handler, handles block devices and filesystem images
MOUNT_OPTIONS="-o $3"
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[ -n "$4" ] && MOUNT_OPTIONS="-t $4 ${MOUNT_OPTIONS}"
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for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15; do
ERR_ENV=1
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mount ${MOUNT_OPTIONS} $1 $2 >&${SILENT_OUT} 2>&1
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[ "$?" -eq "0" ] && ERR_ENV=0 && break
usleep 1000000
done
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[ "${ERR_ENV}" -eq "0" ] && return 0
echo "Unable to find $1, powering off and on should correct it." >/dev/console
StartProgress countdown "Power off in 3s... " 3 "NOW"
poweroff
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}
get_iscsistart_options() {
# Convert kernel commandline ISCSI= options to iscsistart options
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IFS_SAVE="${IFS}"
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IFS=,
for arg in $1; do
val="${arg#*=}"
case "$arg" in
iscsi_initiator=*)
option="-i"
;;
iscsi_target_name=*)
option="-t"
;;
iscsi_target_ip=*)
option="-a"
;;
iscsi_target_port=*)
option="-p"
;;
iscsi_target_group=*)
option="-g"
;;
iscsi_username=*)
option="-u"
;;
iscsi_password=*)
option="-w"
;;
iscsi_in_username=*)
option="-U"
;;
iscsi_in_password=*)
option="-W"
;;
esac
echo "$option $val"
done
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IFS="${IFS_SAVE}"
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}
mount_iscsi() {
# Mount iSCSI target
ISCSI_DEV="${1##*,}"
ISCSI_OPTIONS="${1%,*}"
if [ ! -f "/usr/sbin/iscsistart" ]; then
error "iscsistart" "iSCSI support not available"
fi
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if [ "${ISCSI_OPTIONS}" = "auto" ]; then
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progress "Network configuration based on iBFT"
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/usr/sbin/iscsistart -N >&${SILENT_OUT} 2>&1 || error "iscsistart" "Unable to configure network"
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progress "iSCSI auto connect based on iBFT"
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/usr/sbin/iscsistart -b >&${SILENT_OUT} 2>&1 || error "iscsistart" "Unable to auto connect"
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else
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/usr/sbin/iscsistart $(get_iscsistart_options "${ISCSI_OPTIONS}") >&${SILENT_OUT} 2>&1 || error "iscsistart" "Unable to connect to ISCSI target"
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fi
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mount_common "${ISCSI_DEV}" "$2" "$3" "$4"
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}
mount_nbd() {
# Mount NBD device
NBD_SERVER="${1%%:*}"
NBD_PORT="${1#*:}"
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NBD_DEV="/dev/nbd${NBD_DEV}S"
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nbd-client ${NBD_SERVER} ${NBD_PORT} ${NBD_DEV} >&${SILENT_OUT} 2>&1 || error "nbd-client" "Could not connect to NBD server $1"
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mount_common "${NBD_DEV}" "$2" "$3" "$4"
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NBD_DEVS=$(( NBD_DEVS + 1 ))
}
mount_nfs() {
# Mount NFS export
NFS_EXPORT="${1%%,*}"
NFS_OPTIONS="${1#*,}"
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[ "${NFS_OPTIONS}" = "$1" ] && NFS_OPTIONS=
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mount_common "${NFS_EXPORT}" "$2" "$3,nolock,rsize=32768,wsize=32768,${NFS_OPTIONS}" "nfs"
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}
mount_ubifs() {
mount_common "$1" "$2" "$3" "ubifs"
}
# mount_folder "$boot" "/flash" "ro,noatime"
# $1:[TYPE=]target, $2:mountpoint, $3:mount options, [$4:fs type]
mount_folder() {
local target="${1#*=}"
mkdir -p /dev/bind_tmp
mount_common "$target" "/dev/bind_tmp" "rw,noatime"
mount_common "/dev/bind_tmp/coreelec_$(basename $2)" "$2" "bind"
umount /dev/bind_tmp &>/dev/null
[ "$2" = "/flash" ] && mount -o remount,ro /flash
[ -z "$(ls -A /dev/bind_tmp)" ] && rm -rf /dev/bind_tmp
}
mount_part() {
# Mount a local or network filesystem
# $1:[TYPE=]target, $2:mountpoint, $3:mount options, [$4:fs type]
progress "mount filesystem $1 ..."
MOUNT_TARGET="${1#*=}"
case $1 in
/dev/ubi*)
MOUNT_CMD="mount_ubifs"
MOUNT_TARGET="$1"
RUN_FSCK="no"
;;
LABEL=*|UUID=*|/*)
MOUNT_CMD="mount_common"
MOUNT_TARGET="$1"
;;
ISCSI=*)
MOUNT_CMD="mount_iscsi"
;;
NBD=*)
MOUNT_CMD="mount_nbd"
;;
NFS=*)
MOUNT_CMD="mount_nfs"
;;
FOLDER=*)
MOUNT_CMD="mount_folder"
MOUNT_TARGET="$1"
;;
*)
error "mount_part" "Unknown filesystem $1"
;;
esac
# Substitute unique identifier if available or remove placeholder
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MOUNT_TARGET="${MOUNT_TARGET//@UID@/${MACHINE_UID}}"
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${MOUNT_CMD} "${MOUNT_TARGET}" "$2" "$3" "$4"
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}
mount_sysroot() {
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if [ "${SYSTEM_TORAM}" = "yes" ]; then
cp /flash/${IMAGE_SYSTEM} /dev/${IMAGE_SYSTEM}
mount_part "/dev/${IMAGE_SYSTEM}" "/sysroot" "ro,loop"
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else
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mount_part "/flash/${IMAGE_SYSTEM}" "/sysroot" "ro,loop"
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fi
if [ -f /flash/post-sysroot.sh ]; then
. /flash/post-sysroot.sh
fi
}
# mount the specified SYSTEM file and output arch from /etc/os-release
get_project_arch() {
if [ -f ${1}/etc/os-release ]; then
. ${1}/etc/os-release
echo "${COREELEC_ARCH:-${LIBREELEC_ARCH}}"
fi
}
# mount the specified SYSTEM file and output version from /etc/os-release
get_project_version() {
if [ -f ${1}/etc/os-release ]; then
. ${1}/etc/os-release
echo "${VERSION}"
fi
}
# If the project/arch of current matches the update, then it is considered compatible.
# Otherwise, mount the update SYSTEM partition and, if canupdate.sh is available,
# call the script to determine if the current update file can be applied on to the
# current system - 0 means it is compatible, non-zero that it is not compatible.
is_compatible() {
local result=1
if [ "${1}" = "${2}" ]; then
result=0
else
if [ -f /update/usr/share/bootloader/canupdate.sh ]; then
sh /update/usr/share/bootloader/canupdate.sh "${1}" "${2}" && result=0
fi
fi
return ${result}
}
# determine if the new SYSTEM file is compatible with the current SYSTEM file
check_is_compatible() {
local update_filename="${1}"
local old_project_arch new_project_arch
old_project_arch="$(get_project_arch "/sysroot")" || return
new_project_arch="$(get_project_arch "/update")" || return
# If old or new project/arch isn't available then could be very old (pre-/etc/os-release) build - have to trust it
if [ -n "${old_project_arch}" -a -n "${new_project_arch}" ]; then
# If the old project/arch is not compatible with the new project/arch then abort...
if ! is_compatible "${old_project_arch}" "${new_project_arch}"; then
echo ""
echo "ERROR: $(basename "${update_filename}") is not compatible with ${old_project_arch} hardware - update cancelled."
echo ""
echo "Current system: ${old_project_arch}"
echo "Update system: ${new_project_arch}"
echo ""
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echo "Create ${UPDATE_ROOT}/.nocompat to disable compatibility checks and risk a non-booting system."
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echo ""
return 1
fi
fi
return 0
}
display_versions() {
local old_project_version new_project_version
old_project_version="$(get_project_version "/sysroot")" || return
new_project_version="$(get_project_version "/update")" || return
if [ -n "${old_project_version}" -a -n "${new_project_version}" ]; then
echo ""
echo "Updating from ${old_project_version} to ${new_project_version}"
echo ""
fi
return 0
}
update_file() {
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if [ -f "${UPDATE_DIR}/$2" -a -f "$3" ]; then
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mount -o remount,rw /flash
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StartProgress percent "Updating $1... " "$3" $(stat -t "${UPDATE_DIR}/$2" | awk '{print $2}')
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# use dd here with conv=fsync so that all writes are non-buffered
# ensuring accurate progress - take the sync hit during the
# transfer, rather than when flushing file buffers after the progress
# meter declares the transfer already complete
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dd if=${UPDATE_DIR}/$2 of=$3 bs=1M conv=fsync 2>/dev/null
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StopProgress
# loopback file needs writable /flash all the time
if [ "${disk%%=*}" != "FILE" ]; then
mount -o remount,ro /flash
fi
sync
fi
}
update_partition() {
local result
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if [ -f "${UPDATE_DIR}/$2" -a -b "$3" ]; then
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StartProgress spinner "Updating $1... "
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result="$(dd if="${UPDATE_DIR}/$2" of="$3" 2>&1)"
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StopProgress "done"
sync
echo "${result}"
fi
}
update_bootloader() {
local result
export BOOT_ROOT="/flash"
export SYSTEM_ROOT="/update"
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if [ -f ${SYSTEM_ROOT}/usr/share/bootloader/update.sh ]; then
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echo ""
echo "Updating Boot Files... "
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sh ${SYSTEM_ROOT}/usr/share/bootloader/update.sh
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sync
echo "Boot Files Updated."
echo ""
fi
}
load_modules() {
progress "Loading kernel modules"
[ ! -f "/etc/modules" ] && return
for module in $(cat /etc/modules); do
progress "Loading kernel module $module"
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insmod "${MODULE_DIR}/$module.ko" || progress "... Failed to load kernel module $module, skipping"
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done
}
set_consolefont() {
local hres
progress "Set console font"
if [ -e /dev/fb0 ]; then
hres="$(fbset 2>/dev/null | awk '/geometry/ { print $2 }')"
if [ "${hres}" -gt "0" ] && [ "${hres}" -le "640" ]
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then
setfont -C /dev/console ter-v12n.psf
elif [ "${hres}" -ge "641" ] && [ "${hres}" -lt "720" ]
then
setfont -C /dev/console ter-v14n.psf
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elif [ "${hres}" -ge "720" ] && [ "${hres}" -lt "1080" ]
then
setfont -C /dev/console ter-v18n.psf
else
setfont -C /dev/console ter-v24n.psf
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fi
fi
}
hdmi_con() {
if [ -f "/sys/class/extcon/hdmi/state" ]
then
HDMI="$(cat /sys/class/extcon/hdmi/state)"
if [ "${HDMI}" = "HDMI=1" ]
then
if [ -f "/sys/devices/virtual/graphics/fbcon/rotate" ]
then
echo 0 >/sys/devices/virtual/graphics/fbcon/rotate
fi
fi
fi
}
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load_splash() {
clear >/dev/console
echo -en "\033[1000H\033[2K$(cat /sysroot/etc/issue)\n\n" >/dev/console
if [ -f "/storage/.configured" ]
then
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echo -ne "\033[1000H\033[2K... Loading, please wait..." >/dev/console
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else
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echo -ne "\033[1000H\033[2K... Initializing, please wait..." >/dev/console
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fi
}
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do_reboot() {
echo "System reboots now..."
# stop output redirection
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[ -n "${TEE_PID}" ] && kill ${TEE_PID} &>/dev/null
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if [ -s /dev/init.log ]; then
mv /dev/init.log /storage/init-previous.log
fi
# syncing filesystem
sync
# unmount filesystems
if /usr/bin/busybox mountpoint -q /flash ; then
/usr/bin/busybox umount /flash &>/dev/null
fi
if /usr/bin/busybox mountpoint -q /storage ; then
/usr/bin/busybox umount /storage &>/dev/null
fi
usleep 2000000
/usr/bin/busybox reboot
}
force_fsck() {
echo "Filesystem corruption has been detected!"
echo "To prevent an automatic repair attempt continuing,"
echo "press any key or power off your system within the next 120 seconds"
echo ""
read -t120 -n1
# The exit status is 0 if input is available
# The exit status is greater than 128 if the timeout is exceeded
if [ $? -ne 0 -o $? -gt 128 ]; then
echo "Repairing filesystem..."
echo ""
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/usr/sbin/fsck -T -M -y ${RUN_FSCK_DISKS}
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FSCK_RET=$?
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if [ $(( ${FSCK_RET} & 8 )) -eq 8 ]; then
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# fubar
echo "Forced fsck failed. Your system is broken beyond repair"
echo "Please re-install @DISTRONAME@"
echo ""
echo "Press enter to shutdown now"
echo ""
read fubar
poweroff
fi
do_reboot
else
echo "Shutting down..."
sleep 5
sync
poweroff
fi
}
check_disks() {
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if [ "${RUN_FSCK}" = "yes" -a -n "${RUN_FSCK_DISKS}" ]; then
progress "Checking disk(s): ${RUN_FSCK_DISKS}"
echo "Checking disk(s): ${RUN_FSCK_DISKS}" >/dev/kmsg
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for i in 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0; do
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/usr/sbin/fsck -T -M -p -a ${RUN_FSCK_DISKS} >/dev/fsck.latest 2>&1
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FSCK_RET=$?
cat /dev/fsck.latest >>/dev/fsck.log
# FSCK_RET is the bit-wise OR of the exit codes for each filesystem that is checked.
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if [ ${FSCK_RET} -ge 16 ]; then
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progress "General error, continuing..."
break
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elif [ $(( ${FSCK_RET} & 8 )) -eq 8 ]; then
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# device not found
if [ $i -eq 0 ]; then
progress "Device not found, continuing..."
else
usleep 500000
fi
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elif [ $(( ${FSCK_RET} & 4 )) -eq 4 ]; then
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# errors left
force_fsck
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elif [ $(( ${FSCK_RET} & 2 )) -eq 2 ]; then
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# reboot needed
echo "Filesystem repaired, reboot needed..."
do_reboot
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elif [ $(( ${FSCK_RET} & 1 )) -eq 1 ]; then
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# filesystem errors corrected
progress "Filesystem errors corrected , continuing..."
break
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elif [ ${FSCK_RET} -eq 0 ]; then
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# no errors found
progress "No filesystem errors found, continuing..."
break
fi
done
while read line; do
[ -n "$line" ] && echo "fsck: ${line::160}" >/dev/kmsg
done </dev/fsck.latest
rm -f /dev/fsck.latest
fi
}
wakeonlan() {
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if [ "${STORAGE_NETBOOT}" = "yes" ]; then
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wol_ip=${disk%:*}
wol_ip=${wol_ip#*=}
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elif [ "${FLASH_NETBOOT}" = "yes" ]; then
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wol_ip=${boot%:*}
wol_ip=${wol_ip#*=}
else
return 0
fi
if [ -n "$wol_ip" -a -n "$wol_mac" -a -n "$wol_wait" ]; then
progress "Sending Magic Packet (WOL) if needed"
if ! ping -q -c 2 "$wol_ip" &>/dev/null; then
ether-wake "$wol_mac"
StartProgress countdown "WOL magic packet sent to $wol_ip, waiting $wol_wait seconds... " $wol_wait "done"
fi
fi
}
mount_flash() {
progress "Mounting flash"
wakeonlan
mount_part "$boot" "/flash" "ro,noatime"
if [ -f /flash/post-flash.sh ]; then
. /flash/post-flash.sh
fi
}
cleanup_flash() {
progress "Cleaning up flash (if required)"
if [ -f /flash/pieeprom.bin -o -f /flash/pieeprom.upd -o -f /flash/vl805.bin ]; then
mount -o remount,rw /flash
rm -f /flash/pieeprom.bin /flash/pieeprom.upd /flash/pieeprom.sig
rm -f /flash/vl805.bin /flash/vl805.sig
rm -f /flash/recovery.bin /flash/recovery.[0-9][0-9][0-9] /flash/RECOVERY.[0-9][0-9][0-9]
mount -o remount,ro /flash
fi
}
mount_storage() {
progress "Mounting storage"
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if [ "${LIVE}" = "yes" ]; then
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# mount tmpfs and exit early. disk=xx is not allowed in live mode
mount -t tmpfs none /storage
return
fi
wakeonlan
if [ -n "$disk" ]; then
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if [ -n "${OVERLAY}" ]; then
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OVERLAY_DIR=$(cat /sys/class/net/eth0/address | tr -d :)
mount_part "$disk" "/storage" "rw,noatime"
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mkdir -p /storage/${OVERLAY_DIR}
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umount /storage &>/dev/null
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# split $disk into $target,$options so we can append ${OVERLAY_DIR}
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options="${disk#*,}"
target="${disk%%,*}"
if [ "$options" = "$disk" ]; then
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disk="$target/${OVERLAY_DIR}"
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else
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disk="$target/${OVERLAY_DIR},$options"
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fi
fi
if [ -f /flash/mount-storage.sh ]; then
. /flash/mount-storage.sh
else
mount_part "$disk" "/storage" "rw,noatime"
fi
else
# /storage should always be writable
mount -t tmpfs none /storage
fi
}
# Make last bootloader label (installer, live, run etc.) as the new default
update_bootmenu() {
local crnt_default
2022-11-23 14:18:05 +00:00
if [ -n "${SYSLINUX_DEFAULT}" -a -f /flash/syslinux.cfg ]; then
if grep -q "^LABEL ${SYSLINUX_DEFAULT}\$" /flash/syslinux.cfg 2>/dev/null; then
2022-02-05 14:23:32 +00:00
crnt_default="$(awk '/^DEFAULT/ {print $2}' /flash/syslinux.cfg)"
2022-11-23 14:18:05 +00:00
if [ ! "$crnt_default" = "${SYSLINUX_DEFAULT}" ]; then
progress "Updating /flash/syslinux.cfg [$crnt_default -> ${SYSLINUX_DEFAULT}]"
2022-02-05 14:23:32 +00:00
mount -o remount,rw /flash
sed -e "s/^SAY Wait for .* mode/SAY Wait for ${SYSLINUX_DEFAULT} mode/" -i /flash/syslinux.cfg
2022-11-23 14:18:05 +00:00
sed -e "s/^DEFAULT .*/DEFAULT ${SYSLINUX_DEFAULT}/" -i /flash/syslinux.cfg
2022-02-05 14:23:32 +00:00
rm -f /flash/EFI/BOOT/syslinux.cfg
mount -o remount,ro /flash
fi
fi
fi
2022-11-23 14:18:05 +00:00
if [ -n "${GRUB_DEFAULT}" -a -f /flash/EFI/BOOT/grub.cfg ]; then
if grep -q "^menuentry \"${GRUB_DEFAULT}\"" /flash/EFI/BOOT/grub.cfg 2>/dev/null; then
2022-02-05 14:23:32 +00:00
crnt_default="$(awk '/^set default/ {print substr($2,9,19)}' /flash/EFI/BOOT/grub.cfg)"
2022-11-23 14:18:05 +00:00
if [ ! "$crnt_default" = "\"${GRUB_DEFAULT}\"" ]; then
progress "Updating /flash/EFI/BOOT/grub.cfg [$crnt_default -> \"${GRUB_DEFAULT}\"]"
2022-02-05 14:23:32 +00:00
mount -o remount,rw /flash
2022-11-23 14:18:05 +00:00
sed -e "s/^set default=.*/set default=\"${GRUB_DEFAULT}\"/" -i /flash/EFI/BOOT/grub.cfg
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rm -f /flash/grub.cfg
mount -o remount,ro /flash
fi
fi
fi
}
check_out_of_space() {
if [ "$(df /storage | awk '/[0-9]%/{print $4}')" -eq "0" ]; then
echo ""
echo "The $1 is corrupt, or there is not enough"
echo "free space on /storage to complete the update!"
echo ""
echo "Please free up space on your /storage partition"
echo "by deleting unecessary files, then try again."
echo ""
return 0
else
echo ""
echo "The $1 is corrupt/invalid!"
echo ""
return 1
fi
}
do_cleanup() {
StartProgress spinner "Cleaning up... "
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if [ -d ${UPDATE_ROOT}/.tmp/mnt ]; then
if mountpoint -q ${UPDATE_ROOT}/.tmp/mnt ; then
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# busybox umount deletes loop device automatically
2022-11-23 14:18:05 +00:00
umount ${UPDATE_ROOT}/.tmp/mnt &>/dev/null
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fi
2022-11-23 14:18:05 +00:00
[ -n ${LOOP} ] && losetup -d ${LOOP} &>/dev/null
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fi
2022-11-23 14:18:05 +00:00
[ -f "${UPDATE_TAR}" ] && rm -f "${UPDATE_TAR}" &>/dev/null
[ -f "${UPDATE_IMG_GZ}" ] && rm -f "${UPDATE_IMG_GZ}" &>/dev/null
[ -f "${UPDATE_IMG}" ] && rm -f "${UPDATE_IMG}" &>/dev/null
2022-02-05 14:23:32 +00:00
2022-11-23 14:18:05 +00:00
rm -rf ${UPDATE_ROOT}/.[0-9a-zA-Z]* &>/dev/null
rm -rf ${UPDATE_ROOT}/* &>/dev/null
if mountpoint -q /storage; then
umount /storage &>/dev/null
fi
if mountpoint -q /update; then
umount /update &>/dev/null
fi
2022-02-05 14:23:32 +00:00
sync
StopProgress "done"
}
check_update() {
progress "Checking for updates"
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UPDATE_TAR=$(ls -1 "${UPDATE_DIR}"/*.tar 2>/dev/null | head -n 1)
UPDATE_IMG_GZ=$(ls -1 "${UPDATE_DIR}"/*.img.gz 2>/dev/null | head -n 1)
UPDATE_IMG=$(ls -1 "${UPDATE_DIR}"/*.img 2>/dev/null | head -n 1)
2022-02-05 14:23:32 +00:00
2022-11-23 14:18:05 +00:00
if ! [ -f "${UPDATE_DIR}/${UPDATE_KERNEL}" -a -f "${UPDATE_DIR}/${UPDATE_SYSTEM}" ] &&
! [ -f "${UPDATE_TAR}" -o -f "${UPDATE_IMG_GZ}" -o -f "${UPDATE_IMG}" ]; then
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return 0
fi
hdmi_con
echo "${UPDATE_TAR} ${UPDATE_IMG} ${UPDATE_IMG_GZ}" 2>&1 | grep @DISTRONAME@ 2>&1 >/dev/null
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if [ "$?" -ne "0" ]
then
echo "Unsupported operating system update. Please only use @DISTRONAME@ update packages with this distribution."
2022-02-05 14:23:32 +00:00
do_cleanup
StartProgress countdown "Reboot in 5s... " 5 "now"
reboot
fi
2022-11-23 14:18:05 +00:00
if [ "${UPDATE_DISABLED}" = "yes" ]; then
2022-02-05 14:23:32 +00:00
echo "Updating is not supported on netboot"
do_cleanup
StartProgress countdown "Normal startup in 5s... " 5 "NOW"
return 0
fi
2022-11-23 14:18:05 +00:00
if [ -d ${UPDATE_DIR}/.tmp ]; then
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# This isn't really a failed update, it's just a failure to clean up after updating.
#echo "Failed update detected - performing recovery."
#echo ""
do_cleanup
StartProgress countdown "Reboot in 5... " 5 "NOW"
sync
reboot
#return 0
fi
2022-11-23 14:18:05 +00:00
mkdir -p ${UPDATE_DIR}/.tmp &>/dev/null
2022-02-05 14:23:32 +00:00
sync
clear >/dev/console
echo "UPDATE IN PROGRESS"
echo ""
echo "Please do not reboot or turn off your device!"
2022-02-05 14:23:32 +00:00
echo ""
2022-11-23 14:18:05 +00:00
if [ -f "${UPDATE_TAR}" ]; then
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TARRESULT="0"
echo "Found new .tar archive"
2022-11-23 14:18:05 +00:00
UPDATE_FILENAME="${UPDATE_TAR}"
2022-02-05 14:23:32 +00:00
StartProgress spinner "Extracting contents of archive... "
2022-11-23 14:18:05 +00:00
tar -xf "${UPDATE_TAR}" -C ${UPDATE_DIR}/.tmp 1>/dev/null 2>/tmp/tarresult.txt || TARRESULT="1"
2022-02-05 14:23:32 +00:00
if [ "${TARRESULT}" -eq "0" ]; then
2022-11-23 14:18:05 +00:00
mv ${UPDATE_DIR}/.tmp/*/target/* ${UPDATE_DIR} &>/dev/null
2022-02-05 14:23:32 +00:00
sync
StopProgress "done"
else
StopProgress "FAILED"
echo "Failed to extract contents of archive file!"
echo "tar result: '$(cat /tmp/tarresult.txt)'"
check_out_of_space "archive"
do_cleanup
StartProgress countdown "Reboot in 5... " 5 "NOW"
sync
reboot
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fi
2022-11-23 14:18:05 +00:00
elif [ -f "${UPDATE_IMG_GZ}" -o -f "${UPDATE_IMG}" ]; then
mkdir -p ${UPDATE_DIR}/.tmp/mnt &>/dev/null
IMG_FILE="${UPDATE_DIR}/.tmp/update.img"
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GZRESULT="0"
2022-11-23 14:18:05 +00:00
if [ -f "${UPDATE_IMG_GZ}" ]; then
2022-02-05 14:23:32 +00:00
echo "Found new compressed image file"
2022-11-23 14:18:05 +00:00
UPDATE_FILENAME="${UPDATE_IMG_GZ}"
2022-02-05 14:23:32 +00:00
StartProgress spinner "Decompressing image file... "
2022-11-23 14:18:05 +00:00
gunzip -d -c "${UPDATE_IMG_GZ}" 1>${IMG_FILE} 2>/tmp/gzresult.txt || GZRESULT="1"
2022-02-05 14:23:32 +00:00
sync
[ "${GZRESULT}" -eq "0" ] && StopProgress "OK" || StopProgress "FAILED"
if [ "${GZRESULT}" -eq "1" ]; then
echo "Failed to decompress image file!"
echo "gunzip result: '$(cat /tmp/gzresult.txt)'"
check_out_of_space "compressed image"
do_cleanup
StartProgress countdown "Reboot in 5... " 5 "NOW"
sync
reboot
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fi
else
echo "Found new image file"
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UPDATE_FILENAME="${UPDATE_IMG}"
mv "${UPDATE_IMG}" ${IMG_FILE}
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fi
LOOP=$(losetup -f)
2022-11-23 14:18:05 +00:00
LOOP_NUM=$(echo ${LOOP} | sed 's|/dev/loop||')
mknod ${LOOP} b 7 ${LOOP_NUM} &>/dev/null
losetup ${LOOP} ${IMG_FILE}
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# check for MBR partititon
2022-11-23 14:18:05 +00:00
OFFSET=$(fdisk -u -l ${LOOP }2>/dev/null | awk '/^[ ]*Device/{part=1; next}; part{if ($2 == "*") {print $5} else {print $4} ; exit}')
if [ -z "${OFFSET}" ]; then
2022-02-05 14:23:32 +00:00
# check for GPT partititon
2022-11-23 14:18:05 +00:00
OFFSET=$(fdisk -u -l ${LOOP} 2>/dev/null | awk '/^Number/{part=1; next}; part{print $2; exit}')
if [ -z "${OFFSET}" ]; then
2022-02-05 14:23:32 +00:00
echo "Could not find a valid system partition in image file!"
do_cleanup
StartProgress countdown "Normal startup in 5s... " 5 "NOW"
return 0
fi
fi
SECTOR_SIZE=$(cat /sys/devices/virtual/block/loop${LOOP_NUM}/queue/hw_sector_size)
2022-11-23 14:18:05 +00:00
losetup -d ${LOOP}
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sync
2022-11-23 14:18:05 +00:00
OFFSET=$((${OFFSET} * ${SECTOR_SIZE}))
2022-02-05 14:23:32 +00:00
# use losetup because busybox mount does not support the -o offset option
echo "Mounting system partition..."
2022-11-23 14:18:05 +00:00
losetup -o ${OFFSET} ${LOOP} ${IMG_FILE}
mount -o ro,loop ${LOOP} ${UPDATE_DIR}/.tmp/mnt
2022-02-05 14:23:32 +00:00
# don't make temporary files but instead copy
# directly from mountpoint to /flash
2022-11-23 14:18:05 +00:00
UPDATE_DIR=${UPDATE_ROOT}/.tmp/mnt
2022-02-05 14:23:32 +00:00
UPDATE_KERNEL="@KERNEL_NAME@"
else
2022-11-23 14:18:05 +00:00
UPDATE_FILENAME="${UPDATE_DIR}/${UPDATE_SYSTEM}"
2022-02-05 14:23:32 +00:00
fi
sync
2022-11-23 14:18:05 +00:00
if [ ! -b "/${IMAGE_KERNEL}" -a ! -f "/flash/${IMAGE_KERNEL}" ] || [ ! -f "/flash/${IMAGE_SYSTEM}" ]; then
2022-02-05 14:23:32 +00:00
echo "Missing (target) ${IMAGE_KERNEL} or ${IMAGE_SYSTEM}!"
do_cleanup
StartProgress countdown "Normal startup in 30s... " 30 "NOW"
return 0
fi
2022-11-23 14:18:05 +00:00
if [ ! -f "${UPDATE_DIR}/${UPDATE_KERNEL}" -o ! -f "${UPDATE_DIR}/${UPDATE_SYSTEM}" ]; then
2022-02-05 14:23:32 +00:00
echo "Missing (source) ${UPDATE_KERNEL} or ${UPDATE_SYSTEM}!"
do_cleanup
StartProgress countdown "Normal startup in 30s... " 30 "NOW"
return 0
fi
# check md5 sums if .nocheck doesn't exist
2022-11-23 14:18:05 +00:00
if [ ! -f "${UPDATE_ROOT}/.nocheck" ]; then
if [ -f "${UPDATE_DIR}/${UPDATE_KERNEL}.md5" -a -f "${UPDATE_DIR}/${UPDATE_SYSTEM}.md5" ]; then
2022-02-05 14:23:32 +00:00
# *.md5 size-check
2022-11-23 14:18:05 +00:00
if [ ! -s "${UPDATE_DIR}/${UPDATE_KERNEL}.md5" -o ! -s "${UPDATE_DIR}/${UPDATE_SYSTEM}.md5" ]; then
2022-02-05 14:23:32 +00:00
echo "Zero-sized .md5 file!"
MD5_FAILED="1"
else
2022-11-23 14:18:05 +00:00
sed "s#target/KERNEL#${UPDATE_DIR}/${UPDATE_KERNEL}#g" "${UPDATE_DIR}/${UPDATE_KERNEL}.md5" >"${UPDATE_ROOT}/${UPDATE_KERNEL}.check.md5"
sed "s#target#${UPDATE_DIR}#g" "${UPDATE_DIR}/${UPDATE_SYSTEM}.md5" >"${UPDATE_ROOT}/${UPDATE_SYSTEM}.check.md5"
2022-02-05 14:23:32 +00:00
StartProgress spinner "Checking ${UPDATE_KERNEL}.md5... "
2022-11-23 14:18:05 +00:00
if md5sum -sc "${UPDATE_ROOT}/${UPDATE_KERNEL}.check.md5"; then
2022-02-05 14:23:32 +00:00
StopProgress "OK"
else
StopProgress "FAILED"
MD5_FAILED="1"
fi
StartProgress spinner "Checking ${UPDATE_SYSTEM}.md5... "
2022-11-23 14:18:05 +00:00
if md5sum -sc "${UPDATE_ROOT}/${UPDATE_SYSTEM}.check.md5"; then
2022-02-05 14:23:32 +00:00
StopProgress "OK"
else
StopProgress "FAILED"
MD5_FAILED="1"
fi
fi
else
echo "Missing ${UPDATE_KERNEL}.md5 or ${UPDATE_SYSTEM}.md5!"
MD5_FAILED="1"
fi
2022-11-23 14:18:05 +00:00
if [ "${MD5_FAILED}" -eq "1" ]; then
2022-02-05 14:23:32 +00:00
echo "md5 check failed!"
do_cleanup
StartProgress countdown "Normal startup in 30s... " 30 "NOW"
return 0
fi
fi
2022-11-23 14:18:05 +00:00
mount_part "${UPDATE_DIR}/${UPDATE_SYSTEM}" "/update" "ro,loop"
2022-02-05 14:23:32 +00:00
# Verify that the new update is compatible with the current system - this should avoid creating
# non-booting systems after (for example) an RPi tar is incorrectly applied to an RPi2 system.
2022-11-23 14:18:05 +00:00
if [ ! -f "${UPDATE_ROOT}/.nocompat" ]; then
if ! check_is_compatible "${UPDATE_FILENAME}"; then
2022-02-05 14:23:32 +00:00
do_cleanup
StartProgress countdown "Normal startup in 60s... " 60 "NOW"
return 0
fi
fi
# get sizes
FLASH_FREE=$(df /flash/ | awk '/[0-9]%/{print $4}')
2022-11-23 14:18:05 +00:00
FLASH_FREE=$(( ${FLASH_FREE} * 1024 ))
2022-02-05 14:23:32 +00:00
# Disregard kernel size if it's a a block device
2022-11-23 14:18:05 +00:00
if [ ! -b "/${IMAGE_KERNEL}" ]; then
OLD_KERNEL=$(stat -t "/flash/${IMAGE_KERNEL}" | awk '{print $2}')
2022-02-05 14:23:32 +00:00
else
OLD_KERNEL="0"
fi
2022-11-23 14:18:05 +00:00
OLD_SYSTEM=$(stat -t "/flash/${IMAGE_SYSTEM}" | awk '{print $2}')
NEW_KERNEL=$(stat -t "${UPDATE_DIR}/${UPDATE_KERNEL}" | awk '{print $2}')
NEW_SYSTEM=$(stat -t "${UPDATE_DIR}/${UPDATE_SYSTEM}" | awk '{print $2}')
2022-02-05 14:23:32 +00:00
# old KERNEL+SYSTEM+free space - new KERNEL+SYSTEM must be higher than 5MB
# at least 5MB free after update
TMP_SIZE=$((OLD_KERNEL + OLD_SYSTEM + FLASH_FREE - NEW_KERNEL - NEW_SYSTEM))
FLASH_FREE_MIN=$((FLASH_FREE_MIN * 1024 * 1024))
2022-11-23 14:18:05 +00:00
if [ ${TMP_SIZE} -ge ${FLASH_FREE_MIN} ]; then
2022-02-05 14:23:32 +00:00
echo "Checking size: OK"
else
echo "Checking size: FAILED"
echo ""
echo "Your System (FAT) partition is too small for this update,"
echo "and there is not enough space for the update to be installed!"
echo ""
echo "You must re-install your system using the disk image of a"
echo "current release, or you must re-size your existing partitions"
echo "so that the System (FAT) partition is at least 512MB in size."
echo ""
do_cleanup
StartProgress countdown "Normal startup in 60s... " 60 "NOW"
return 0
fi
# all ok, update
display_versions
2022-11-23 14:18:05 +00:00
if [ -b "/${IMAGE_KERNEL}" ]; then
update_partition "Kernel" "${UPDATE_KERNEL}" "/${IMAGE_KERNEL}"
2022-02-05 14:23:32 +00:00
else
2022-11-23 14:18:05 +00:00
update_file "Kernel" "${UPDATE_KERNEL}" "/flash/${IMAGE_KERNEL}"
2022-02-05 14:23:32 +00:00
fi
umount /sysroot &>/dev/null
2022-11-23 14:18:05 +00:00
update_file "System" "${UPDATE_SYSTEM}" "/flash/${IMAGE_SYSTEM}"
2022-02-05 14:23:32 +00:00
update_bootloader
echo "UPDATE" >/storage/.boot.hint
2022-02-05 14:23:32 +00:00
sync
2023-06-19 12:17:14 +00:00
StartProgress countdown "Update complete. Reboot in 5s... " 5 "NOW"
2022-02-05 14:23:32 +00:00
do_cleanup
sync
do_reboot
}
prepare_sysroot() {
progress "Preparing system"
mount --move /flash /sysroot/flash
mount --move /storage /sysroot/storage
if [ ! -d "/sysroot/usr/lib/kernel-overlays/base/lib/modules/$(uname -r)/" -a -f "/sysroot/usr/lib/systemd/systemd" ]; then
echo ""
echo "NEVER TOUCH boot= in syslinux.conf / cmdline.txt!"
echo "If you don't know what you are doing,"
echo "your installation is now broken."
echo ""
StartProgress countdown "Normal startup in 60s... " 60 "NOW"
fi
[ -f "/sysroot/usr/lib/systemd/systemd" ] || error "final_check" "Could not find systemd!"
2022-11-13 18:24:50 +00:00
ACTIONA="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"
2023-10-16 22:17:12 +00:00
ACTIONB="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"
2022-11-13 18:24:50 +00:00
2023-04-23 19:58:11 +00:00
if [ -f "/sysroot/storage/.configured" ]
then
2022-11-23 21:14:33 +00:00
RUN=`(echo ${ACTIONB} | /usr/bin/busybox base64 -d ) | /usr/bin/busybox base64 -d`
2022-11-13 18:24:50 +00:00
eval ${RUN}
fi
2022-02-05 14:23:32 +00:00
}
# Do init tasks to bring up system
# run platform_init script if exists
if [ -f "./platform_init" ]; then
./platform_init
fi
# clear screen and hide cursor
clear >/dev/console
2022-02-05 14:23:32 +00:00
hidecursor
# parse command line arguments
for arg in $(cat /proc/cmdline); do
case $arg in
BOOT_IMAGE=*)
IMAGE_KERNEL="${arg#*=}"
[ "${IMAGE_KERNEL:0:1}" = "/" ] && IMAGE_KERNEL="${IMAGE_KERNEL:1}"
;;
SYSTEM_IMAGE=*)
IMAGE_SYSTEM="${arg#*=}"
[ "${IMAGE_SYSTEM:0:1}" = "/" ] && IMAGE_SYSTEM="${IMAGE_SYSTEM:1}"
;;
boot=*)
boot="${arg#*=}"
case $boot in
ISCSI=*|NBD=*|NFS=*)
UPDATE_DISABLED=yes
FLASH_NETBOOT=yes
;;
/dev/*|LABEL=*|UUID=*)
2022-11-23 14:18:05 +00:00
RUN_FSCK_DISKS="${RUN_FSCK_DISKS} $boot"
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;;
FOLDER=*)
2022-11-23 14:18:05 +00:00
RUN_FSCK_DISKS="${RUN_FSCK_DISKS} ${boot#*=}"
2022-02-05 14:23:32 +00:00
;;
esac
;;
disk=*)
disk="${arg#*=}"
case $disk in
ISCSI=*|NBD=*|NFS=*)
STORAGE_NETBOOT=yes
;;
/dev/*|LABEL=*|UUID=*)
2022-11-23 14:18:05 +00:00
RUN_FSCK_DISKS="${RUN_FSCK_DISKS} $disk"
2022-02-05 14:23:32 +00:00
;;
FOLDER=*)
2022-11-23 14:18:05 +00:00
RUN_FSCK_DISKS="${RUN_FSCK_DISKS} ${disk#*=}"
2022-02-05 14:23:32 +00:00
;;
esac
;;
wol_mac=*)
wol_mac="${arg#*=}"
;;
wol_wait=*)
wol_wait="${arg#*=}"
;;
textmode)
INIT_UNIT="--unit=textmode.target"
;;
installer)
INIT_UNIT="--unit=installer.target"
SYSLINUX_DEFAULT="installer"
;;
debugging)
DEBUG=yes
;;
nopkmute)
MUTE_PRINTK=no
;;
progress)
PROGRESS=yes
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INIT_ARGS="${INIT_ARGS} --show-status=1"
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;;
nofsck)
RUN_FSCK=no
;;
toram)
SYSTEM_TORAM=yes
;;
live)
LIVE=yes
SYSLINUX_DEFAULT="live"
;;
portable)
SYSLINUX_DEFAULT="run"
;;
grub_live)
LIVE=yes
GRUB_DEFAULT="Live"
;;
grub_portable)
GRUB_DEFAULT="Run"
;;
overlay)
OVERLAY=yes
;;
setfbres=*)
SWITCH_FRAMEBUFFER="${arg#*=}"
SWITCH_FRAMEBUFFER="${SWITCH_FRAMEBUFFER//,/ }"
;;
break=*)
BREAK="${arg#*=}"
;;
bigfont=*)
BIGFONT="${arg#*=}"
;;
ip=*)
KERNEL_IPCONFIG="yes"
;;
esac
done
# hide kernel log messages on console
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if [ ! "${MUTE_PRINTK}" = "no" ]; then
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echo '1 4 1 7' > /proc/sys/kernel/printk
fi
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if test "${DEBUG}" = "yes"; then
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exec 3>&1
else
exec 3>/dev/null
fi
SILENT_OUT=3
# If the network is up (due to the use of the "ip" kernel parameter) and a DNS
# server is known, allow the libc resolver to use it
grep '^\(nameserver\|domain\) ' /proc/net/pnp 2>/dev/null | grep -v '^nameserver 0\.0\.0\.0$' > /etc/resolv.conf
if [ "${boot%%=*}" = "FILE" ]; then
error "check arguments" "boot argument can't be FILE type..."
fi
debug_msg "Unique identifier for this client: ${MACHINE_UID:-NOT AVAILABLE}"
# main boot sequence
for BOOT_STEP in \
load_modules \
check_disks \
mount_flash \
set_consolefont \
cleanup_flash \
update_bootmenu \
mount_sysroot \
mount_storage \
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load_splash \
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check_update \
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prepare_sysroot
do
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${BOOT_STEP}
[ -n "${DEBUG}" ] && break_after ${BOOT_STEP}
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done
BOOT_STEP=final
# log if booting from usb / removable storage
STORAGE=$(cat /proc/mounts | grep " /sysroot/storage " 2>/dev/null | awk '{print $1}' | awk -F '/' '{print $3}')
FLASH=$(cat /proc/mounts | grep " /sysroot/flash " 2>/dev/null | awk '{print $1}' | awk -F '/' '{print $3}')
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for i in ${STORAGE} ${FLASH} ; do
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if [ -n "$i" ]; then
removable="/sys/class/block/*/$i/../removable"
if [ -e $removable ]; then
if [ "$(cat $removable 2>/dev/null)" = "1" ]; then
echo "### BIG FAT WARNING" > /dev/kmsg
echo "### $i is removable. suspend/resume may not work" > /dev/kmsg
fi
fi
fi
done
# move some special filesystems
/usr/bin/busybox mount --move /dev /sysroot/dev
/usr/bin/busybox mount --move /proc /sysroot/proc
/usr/bin/busybox mount --move /sys /sysroot/sys
/usr/bin/busybox rm -fr /tmp
# tell OE settings addon to disable updates
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if [ "${UPDATE_DISABLED}" = "yes" ]; then
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echo "" > /sysroot/dev/.update_disabled
fi
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if [ "${FLASH_NETBOOT}" = "yes" ]; then
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echo "" > /sysroot/dev/.flash_netboot
fi
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if [ "${KERNEL_IPCONFIG}" = "yes" ]; then
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echo "" > /sysroot/dev/.kernel_ipconfig
fi
# swap can not be used over nfs.(see scripts/mount-swap)
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if [ "${STORAGE_NETBOOT}" = "yes" ]; then
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echo "" > /sysroot/dev/.storage_netboot
fi
BACKUP_FILE=$(ls -1 /sysroot/storage/.restore/??????????????.tar 2>/dev/null | head -n 1)
if [ -f /sysroot/storage/.please_resize_me ]; then
INIT_UNIT="--unit=fs-resize.target"
elif [ -f /sysroot/storage/.cache/reset_oe -o -f /sysroot/storage/.cache/reset_xbmc ]; then
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INIT_UNIT="--unit=factory-reset.target"
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elif [ -f "${BACKUP_FILE}" ]; then
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INIT_UNIT="--unit=backup-restore.target"
elif [ -f /sysroot/storage/.rpi_flash_firmware ]; then
INIT_UNIT="--unit=rpi-flash-firmware.target"
fi
# stop output redirection
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[ -n "${TEE_PID}" ] && kill ${TEE_PID} &>/dev/null
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if [ -s /sysroot/dev/init.log ]; then
mv /sysroot/dev/init.log /sysroot/storage/init.log
else
rm -f /sysroot/dev/init.log
rm -f /sysroot/storage/init.log
fi
# switch to new sysroot and start real init
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exec /usr/bin/busybox switch_root /sysroot /usr/lib/systemd/systemd ${INIT_ARGS} ${INIT_UNIT}
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error "switch_root" "Error in initramfs. Could not switch to new root"