You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
288 lines
6.6 KiB
Bash
288 lines
6.6 KiB
Bash
#!/bin/sh
|
|
|
|
RAM_ROOT=/tmp/root
|
|
|
|
export BACKUP_FILE=sysupgrade.tgz # file extracted by preinit
|
|
|
|
[ -x /usr/bin/ldd ] || ldd() { LD_TRACE_LOADED_OBJECTS=1 $*; }
|
|
libs() { ldd $* 2>/dev/null | sed -r 's/(.* => )?(.*) .*/\2/'; }
|
|
|
|
install_file() { # <file> [ <file> ... ]
|
|
local target dest dir
|
|
for file in "$@"; do
|
|
if [ -L "$file" ]; then
|
|
target="$(readlink -f "$file")"
|
|
dest="$RAM_ROOT/$file"
|
|
[ ! -f "$dest" ] && {
|
|
dir="$(dirname "$dest")"
|
|
mkdir -p "$dir"
|
|
ln -s "$target" "$dest"
|
|
}
|
|
file="$target"
|
|
fi
|
|
dest="$RAM_ROOT/$file"
|
|
[ -f "$file" -a ! -f "$dest" ] && {
|
|
dir="$(dirname "$dest")"
|
|
mkdir -p "$dir"
|
|
cp "$file" "$dest"
|
|
}
|
|
done
|
|
}
|
|
|
|
install_bin() {
|
|
local src files
|
|
src=$1
|
|
files=$1
|
|
[ -x "$src" ] && files="$src $(libs $src)"
|
|
install_file $files
|
|
}
|
|
|
|
run_hooks() {
|
|
local arg="$1"; shift
|
|
for func in "$@"; do
|
|
eval "$func $arg"
|
|
done
|
|
}
|
|
|
|
ask_bool() {
|
|
local default="$1"; shift;
|
|
local answer="$default"
|
|
|
|
[ "$INTERACTIVE" -eq 1 ] && {
|
|
case "$default" in
|
|
0) echo -n "$* (y/N): ";;
|
|
*) echo -n "$* (Y/n): ";;
|
|
esac
|
|
read answer
|
|
case "$answer" in
|
|
y*) answer=1;;
|
|
n*) answer=0;;
|
|
*) answer="$default";;
|
|
esac
|
|
}
|
|
[ "$answer" -gt 0 ]
|
|
}
|
|
|
|
v() {
|
|
[ "$VERBOSE" -ge 1 ] && echo "$@"
|
|
}
|
|
|
|
json_string() {
|
|
local v="$1"
|
|
v="${v//\\/\\\\}"
|
|
v="${v//\"/\\\"}"
|
|
echo "\"$v\""
|
|
}
|
|
|
|
rootfs_type() {
|
|
/bin/mount | awk '($3 ~ /^\/$/) && ($5 !~ /rootfs/) { print $5 }'
|
|
}
|
|
|
|
get_image() { # <source> [ <command> ]
|
|
local from="$1"
|
|
local cmd="$2"
|
|
|
|
if [ -z "$cmd" ]; then
|
|
local magic="$(dd if="$from" bs=2 count=1 2>/dev/null | hexdump -n 2 -e '1/1 "%02x"')"
|
|
case "$magic" in
|
|
1f8b) cmd="zcat";;
|
|
425a) cmd="bzcat";;
|
|
*) cmd="cat";;
|
|
esac
|
|
fi
|
|
|
|
cat "$from" 2>/dev/null | $cmd
|
|
}
|
|
|
|
get_magic_word() {
|
|
(get_image "$@" | dd bs=2 count=1 | hexdump -v -n 2 -e '1/1 "%02x"') 2>/dev/null
|
|
}
|
|
|
|
get_magic_long() {
|
|
(get_image "$@" | dd bs=4 count=1 | hexdump -v -n 4 -e '1/1 "%02x"') 2>/dev/null
|
|
}
|
|
|
|
get_magic_gpt() {
|
|
(get_image "$@" | dd bs=8 count=1 skip=64) 2>/dev/null
|
|
}
|
|
|
|
get_magic_vfat() {
|
|
(get_image "$@" | dd bs=1 count=3 skip=54) 2>/dev/null
|
|
}
|
|
|
|
part_magic_efi() {
|
|
local magic=$(get_magic_gpt "$@")
|
|
[ "$magic" = "EFI PART" ]
|
|
}
|
|
|
|
part_magic_fat() {
|
|
local magic=$(get_magic_vfat "$@")
|
|
[ "$magic" = "FAT" ]
|
|
}
|
|
|
|
export_bootdevice() {
|
|
local cmdline bootdisk rootpart uuid blockdev uevent line class
|
|
local MAJOR MINOR DEVNAME DEVTYPE
|
|
|
|
if read cmdline < /proc/cmdline; then
|
|
case "$cmdline" in
|
|
*block2mtd=*)
|
|
bootdisk="${cmdline##*block2mtd=}"
|
|
bootdisk="${bootdisk%%,*}"
|
|
;;
|
|
*root=*)
|
|
rootpart="${cmdline##*root=}"
|
|
rootpart="${rootpart%% *}"
|
|
;;
|
|
esac
|
|
|
|
case "$bootdisk" in
|
|
/dev/*)
|
|
uevent="/sys/class/block/${bootdisk##*/}/uevent"
|
|
;;
|
|
esac
|
|
|
|
case "$rootpart" in
|
|
PARTUUID=[a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9]-[a-f0-9][a-f0-9])
|
|
uuid="${rootpart#PARTUUID=}"
|
|
uuid="${uuid%-[a-f0-9][a-f0-9]}"
|
|
for blockdev in $(find /dev -type b); do
|
|
set -- $(dd if=$blockdev bs=1 skip=440 count=4 2>/dev/null | hexdump -v -e '4/1 "%02x "')
|
|
if [ "$4$3$2$1" = "$uuid" ]; then
|
|
uevent="/sys/class/block/${blockdev##*/}/uevent"
|
|
break
|
|
fi
|
|
done
|
|
;;
|
|
PARTUUID=????????-????-????-????-??????????02)
|
|
uuid="${rootpart#PARTUUID=}"
|
|
uuid="${uuid%02}00"
|
|
for disk in $(find /dev -type b); do
|
|
set -- $(dd if=$disk bs=1 skip=568 count=16 2>/dev/null | hexdump -v -e '8/1 "%02x "" "2/1 "%02x""-"6/1 "%02x"')
|
|
if [ "$4$3$2$1-$6$5-$8$7-$9" = "$uuid" ]; then
|
|
uevent="/sys/class/block/${disk##*/}/uevent"
|
|
break
|
|
fi
|
|
done
|
|
;;
|
|
/dev/*)
|
|
uevent="/sys/class/block/${rootpart##*/}/../uevent"
|
|
;;
|
|
0x[a-f0-9][a-f0-9][a-f0-9] | 0x[a-f0-9][a-f0-9][a-f0-9][a-f0-9] | \
|
|
[a-f0-9][a-f0-9][a-f0-9] | [a-f0-9][a-f0-9][a-f0-9][a-f0-9])
|
|
rootpart=0x${rootpart#0x}
|
|
for class in /sys/class/block/*; do
|
|
while read line; do
|
|
export -n "$line"
|
|
done < "$class/uevent"
|
|
if [ $((rootpart/256)) = $MAJOR -a $((rootpart%256)) = $MINOR ]; then
|
|
uevent="$class/../uevent"
|
|
fi
|
|
done
|
|
;;
|
|
esac
|
|
|
|
if [ -e "$uevent" ]; then
|
|
while read line; do
|
|
export -n "$line"
|
|
done < "$uevent"
|
|
export BOOTDEV_MAJOR=$MAJOR
|
|
export BOOTDEV_MINOR=$MINOR
|
|
return 0
|
|
fi
|
|
fi
|
|
|
|
return 1
|
|
}
|
|
|
|
export_partdevice() {
|
|
local var="$1" offset="$2"
|
|
local uevent line MAJOR MINOR DEVNAME DEVTYPE
|
|
|
|
for uevent in /sys/class/block/*/uevent; do
|
|
while read line; do
|
|
export -n "$line"
|
|
done < "$uevent"
|
|
if [ $BOOTDEV_MAJOR = $MAJOR -a $(($BOOTDEV_MINOR + $offset)) = $MINOR -a -b "/dev/$DEVNAME" ]; then
|
|
export "$var=$DEVNAME"
|
|
return 0
|
|
fi
|
|
done
|
|
|
|
return 1
|
|
}
|
|
|
|
hex_le32_to_cpu() {
|
|
[ "$(echo 01 | hexdump -v -n 2 -e '/2 "%x"')" = "3031" ] && {
|
|
echo "${1:0:2}${1:8:2}${1:6:2}${1:4:2}${1:2:2}"
|
|
return
|
|
}
|
|
echo "$@"
|
|
}
|
|
|
|
get_partitions() { # <device> <filename>
|
|
local disk="$1"
|
|
local filename="$2"
|
|
|
|
if [ -b "$disk" -o -f "$disk" ]; then
|
|
v "Reading partition table from $filename..."
|
|
|
|
local magic=$(dd if="$disk" bs=2 count=1 skip=255 2>/dev/null)
|
|
if [ "$magic" != $'\x55\xAA' ]; then
|
|
v "Invalid partition table on $disk"
|
|
exit
|
|
fi
|
|
|
|
rm -f "/tmp/partmap.$filename"
|
|
|
|
local part
|
|
part_magic_efi "$disk" && {
|
|
#export_partdevice will fail when partition number is greater than 15, as
|
|
#the partition major device number is not equal to the disk major device number
|
|
for part in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15; do
|
|
set -- $(hexdump -v -n 48 -s "$((0x380 + $part * 0x80))" -e '4/4 "%08x"" "4/4 "%08x"" "4/4 "0x%08X "' "$disk")
|
|
|
|
local type="$1"
|
|
local lba="$(( $(hex_le32_to_cpu $4) * 0x100000000 + $(hex_le32_to_cpu $3) ))"
|
|
local end="$(( $(hex_le32_to_cpu $6) * 0x100000000 + $(hex_le32_to_cpu $5) ))"
|
|
local num="$(( $end - $lba ))"
|
|
|
|
[ "$type" = "00000000000000000000000000000000" ] && continue
|
|
|
|
printf "%2d %5d %7d\n" $part $lba $num >> "/tmp/partmap.$filename"
|
|
done
|
|
} || {
|
|
for part in 1 2 3 4; do
|
|
set -- $(hexdump -v -n 12 -s "$((0x1B2 + $part * 16))" -e '3/4 "0x%08X "' "$disk")
|
|
|
|
local type="$(( $(hex_le32_to_cpu $1) % 256))"
|
|
local lba="$(( $(hex_le32_to_cpu $2) ))"
|
|
local num="$(( $(hex_le32_to_cpu $3) ))"
|
|
|
|
[ $type -gt 0 ] || continue
|
|
|
|
printf "%2d %5d %7d\n" $part $lba $num >> "/tmp/partmap.$filename"
|
|
done
|
|
}
|
|
fi
|
|
}
|
|
|
|
indicate_upgrade() {
|
|
. /etc/diag.sh
|
|
set_state upgrade
|
|
}
|
|
|
|
# Flash firmware to MTD partition
|
|
#
|
|
# $(1): path to image
|
|
# $(2): (optional) pipe command to extract firmware, e.g. dd bs=n skip=m
|
|
default_do_upgrade() {
|
|
sync
|
|
if [ -n "$UPGRADE_BACKUP" ]; then
|
|
get_image "$1" "$2" | mtd $MTD_ARGS $MTD_CONFIG_ARGS -j "$UPGRADE_BACKUP" write - "${PART_NAME:-image}"
|
|
else
|
|
get_image "$1" "$2" | mtd $MTD_ARGS write - "${PART_NAME:-image}"
|
|
fi
|
|
[ $? -ne 0 ] && exit 1
|
|
}
|