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7f3ec01069
Add missing include of ramips.sh in order to import the missing ramips_board_name() procedure. Fixes FS#774. Signed-off-by: Jo-Philipp Wich <jo@mein.io>
82 lines
1.4 KiB
Bash
Executable File
82 lines
1.4 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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. /lib/ramips.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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