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a75ce960ac
Use different names for flash size related board variants, to make sure that only images for the actual flash size are considered as valid by the image validation code. Remove the flash size suffix from the string returned by ramips_board_detect() to ensure that existing scripts relying on the former used boardname are still working. Signed-off-by: Mathias Kresin <dev@kresin.me>
81 lines
1.3 KiB
Bash
Executable File
81 lines
1.3 KiB
Bash
Executable File
#!/bin/sh
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. /lib/functions.sh
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. /lib/functions/system.sh
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partname=""
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offset=""
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NEW_MAC=
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YES=
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board=$(ramips_board_name)
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case $board in
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witi)
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partname=factory
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offset=$((0xe000))
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;;
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*)
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echo "Unsupported board"
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exit 1
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;;
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esac
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while [ -n "$1" ]; do
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case "$1" in
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??:??:??:??:??:??) NEW_MAC="$1";;
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-y) YES=1;;
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*)
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cat <<EOF
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Unknown option/argument '$1'
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Usage: $0 [-y] [<macaddr>]
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EOF
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exit 1
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;;
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esac
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shift
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done
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ask_bool() {
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local message="$1"
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local default="$((! ${2:-0}))"
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[ -n "$YES" ] && return 0
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echo -n "$message "
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read opt
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case "$opt" in
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y|Y) return 0;;
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n|N) return 1;;
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*) return $default;;
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esac
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}
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convert_hex() {
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hexdump -e '/1 "%02x "'
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}
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gen_mac() {
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dd if=/dev/urandom bs=6 count=1 2>/dev/null
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}
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mac="$(mtd_get_mac_binary $partname $offset)"
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case "$mac" in
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00:00:00:00:00:00);;
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ff:ff:ff:ff:ff:ff);;
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*)
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echo "Current MAC address: $mac"
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ask_bool "Overwrite (y/N)?" 0 || exit
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;;
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esac
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if [ -n "$NEW_MAC" ]; then
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set -- $(echo "$NEW_MAC" | sed 's,:, ,g')
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else
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set -- $(gen_mac | convert_hex)
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set -- $(printf %02x $(( (0x$1 & 0xfe) | 0x02 ))) $2 $3 $4 $5 $6
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fi
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echo "New MAC address: $1:$2:$3:$4:$5:$6"
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ask_bool "Write to EEPROM (y/N)?" || exit
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part=$(find_mtd_part "$partname")
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[ -n "$part" ] || exit
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echo -ne "\x$1\x$2\x$3\x$4\x$5\x$6" | dd of=$part conv=notrunc bs=1 count=6 seek=$offset 2>/dev/null
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echo "Done"
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