 551e04f3c9
			
		
	
	551e04f3c9
	
	
	
		
			
			Spaces and tabs are widely used in variable definitions. We have to remove them to ensure that get_mac_ascii() works properly. Signed-off-by: Shiji Yang <yangshiji66@qq.com> Link: https://github.com/openwrt/openwrt/pull/17262 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
		
			
				
	
	
		
			318 lines
		
	
	
		
			6.7 KiB
		
	
	
	
		
			Bash
		
	
	
	
	
	
			
		
		
	
	
			318 lines
		
	
	
		
			6.7 KiB
		
	
	
	
		
			Bash
		
	
	
	
	
	
| # Copyright (C) 2006-2013 OpenWrt.org
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| 
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| . /lib/functions.sh
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| . /usr/share/libubox/jshn.sh
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| 
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| get_mac_binary() {
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| 	local path="$1"
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| 	local offset="$2"
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| 
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| 	if ! [ -e "$path" ]; then
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| 		echo "get_mac_binary: file $path not found!" >&2
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| 		return
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| 	fi
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| 
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| 	hexdump -v -n 6 -s $offset -e '5/1 "%02x:" 1/1 "%02x"' $path 2>/dev/null
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| }
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| 
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| get_mac_label_dt() {
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| 	local basepath="/proc/device-tree"
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| 	local macdevice="$(cat "$basepath/aliases/label-mac-device" 2>/dev/null)"
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| 	local macaddr
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| 
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| 	[ -n "$macdevice" ] || return
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| 
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| 	macaddr=$(get_mac_binary "$basepath/$macdevice/mac-address" 0 2>/dev/null)
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| 	[ -n "$macaddr" ] || macaddr=$(get_mac_binary "$basepath/$macdevice/local-mac-address" 0 2>/dev/null)
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| 
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| 	echo $macaddr
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| }
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| 
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| get_mac_label_json() {
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| 	local cfg="/etc/board.json"
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| 	local macaddr
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| 
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| 	[ -s "$cfg" ] || return
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| 
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| 	json_init
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| 	json_load "$(cat $cfg)"
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| 	if json_is_a system object; then
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| 		json_select system
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| 			json_get_var macaddr label_macaddr
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| 		json_select ..
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| 	fi
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| 
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| 	echo $macaddr
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| }
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| 
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| get_mac_label() {
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| 	local macaddr=$(get_mac_label_dt)
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| 
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| 	[ -n "$macaddr" ] || macaddr=$(get_mac_label_json)
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| 
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| 	echo $macaddr
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| }
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| 
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| find_mtd_chardev() {
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| 	local INDEX=$(find_mtd_index "$1")
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| 	local PREFIX=/dev/mtd
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| 
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| 	[ -d /dev/mtd ] && PREFIX=/dev/mtd/
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| 	echo "${INDEX:+$PREFIX$INDEX}"
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| }
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| 
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| get_mac_ascii() {
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| 	local part="$1"
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| 	local key="$2"
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| 	local mac_dirty
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| 
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| 	mac_dirty=$(strings "$part" | tr -d ' \t' | sed -n 's/^'"$key"'=//p' | head -n 1)
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| 
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| 	# "canonicalize" mac
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| 	[ -n "$mac_dirty" ] && macaddr_canonicalize "$mac_dirty"
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| }
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| 
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| mtd_get_mac_ascii() {
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| 	local mtdname="$1"
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| 	local key="$2"
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| 	local part
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| 
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| 	part=$(find_mtd_part "$mtdname")
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| 	if [ -z "$part" ]; then
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| 		echo "mtd_get_mac_ascii: partition $mtdname not found!" >&2
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| 		return
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| 	fi
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| 
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| 	get_mac_ascii "$part" "$key"
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| }
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| 
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| mtd_get_mac_encrypted_arcadyan() {
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| 	local iv="00000000000000000000000000000000"
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| 	local key="2A4B303D7644395C3B2B7053553C5200"
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| 	local mac_dirty
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| 	local mtdname="$1"
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| 	local part
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| 	local size
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| 
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| 	part=$(find_mtd_part "$mtdname")
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| 	if [ -z "$part" ]; then
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| 		echo "mtd_get_mac_encrypted_arcadyan: partition $mtdname not found!" >&2
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| 		return
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| 	fi
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| 
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| 	# Config decryption and getting mac. Trying uencrypt and openssl utils.
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| 	size=$((0x$(dd if=$part skip=9 bs=1 count=4 2>/dev/null | hexdump -v -e '1/4 "%08x"')))
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| 	if [[ -f  "/usr/bin/uencrypt" ]]; then
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| 		mac_dirty=$(dd if=$part bs=1 count=$size skip=$((0x100)) 2>/dev/null | \
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| 			uencrypt -d -n -k $key -i $iv | grep mac | cut -c 5-)
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| 	elif [[ -f  "/usr/bin/openssl" ]]; then
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| 		mac_dirty=$(dd if=$part bs=1 count=$size skip=$((0x100)) 2>/dev/null | \
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| 			openssl aes-128-cbc -d -nopad -K $key -iv $iv | grep mac | cut -c 5-)
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| 	else
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| 		echo "mtd_get_mac_encrypted_arcadyan: Neither uencrypt nor openssl was found!" >&2
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| 		return
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| 	fi
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| 
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| 	# "canonicalize" mac
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| 	[ -n "$mac_dirty" ] && macaddr_canonicalize "$mac_dirty"
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| }
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| 
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| mtd_get_mac_encrypted_deco() {
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| 	local mtdname="$1"
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| 
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| 	if ! [ -e "$mtdname" ]; then
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| 		echo "mtd_get_mac_encrypted_deco: file $mtdname not found!" >&2
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| 		return
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| 	fi
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| 
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| 	tplink_key="3336303032384339"
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| 
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| 	key=$(dd if=$mtdname bs=1 skip=16 count=8 2>/dev/null | \
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| 		uencrypt -n -d -k $tplink_key -c des-ecb | hexdump -v -n 8 -e '1/1 "%02x"')
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| 
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| 	macaddr=$(dd if=$mtdname bs=1 skip=32 count=8 2>/dev/null | \
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| 		uencrypt -n -d -k $key -c des-ecb | hexdump -v -n 6 -e '5/1 "%02x:" 1/1 "%02x"')
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| 
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| 	echo $macaddr
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| }
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| 
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| mtd_get_mac_uci_config_ubi() {
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| 	local volumename="$1"
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| 
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| 	. /lib/upgrade/nand.sh
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| 
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| 	local ubidev=$(nand_attach_ubi $CI_UBIPART)
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| 	local part=$(nand_find_volume $ubidev $volumename)
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| 
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| 	cat "/dev/$part" | sed -n 's/^\s*option macaddr\s*'"'"'\?\([0-9A-F:]\+\)'"'"'\?/\1/Ip'
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| }
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| 
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| mtd_get_mac_text() {
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| 	local mtdname="$1"
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| 	local offset=$((${2:-0}))
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| 	local length="${3:-17}"
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| 	local part
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| 
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| 	part=$(find_mtd_part "$mtdname")
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| 	if [ -z "$part" ]; then
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| 		echo "mtd_get_mac_text: partition $mtdname not found!" >&2
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| 		return
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| 	fi
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| 
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| 	[ $((offset + length)) -le $(mtd_get_part_size "$mtdname") ] || return
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| 
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| 	macaddr_canonicalize $(dd bs=1 if="$part" skip="$offset" count="$length" 2>/dev/null)
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| }
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| 
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| mtd_get_mac_binary() {
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| 	local mtdname="$1"
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| 	local offset="$2"
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| 	local part
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| 
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| 	part=$(find_mtd_part "$mtdname")
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| 	get_mac_binary "$part" "$offset"
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| }
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| 
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| mtd_get_mac_binary_ubi() {
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| 	local mtdname="$1"
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| 	local offset="$2"
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| 
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| 	. /lib/upgrade/nand.sh
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| 
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| 	local ubidev=$(nand_find_ubi $CI_UBIPART)
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| 	local part=$(nand_find_volume $ubidev $1)
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| 
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| 	get_mac_binary "/dev/$part" "$offset"
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| }
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| 
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| mtd_get_part_size() {
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| 	local part_name=$1
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| 	local first dev size erasesize name
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| 	while read dev size erasesize name; do
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| 		name=${name#'"'}; name=${name%'"'}
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| 		if [ "$name" = "$part_name" ]; then
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| 			echo $((0x$size))
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| 			break
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| 		fi
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| 	done < /proc/mtd
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| }
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| 
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| mmc_get_mac_ascii() {
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| 	local part_name="$1"
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| 	local key="$2"
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| 	local part
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| 
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| 	part=$(find_mmc_part "$part_name")
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| 	if [ -z "$part" ]; then
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| 		echo "mmc_get_mac_ascii: partition $part_name not found!" >&2
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| 		return
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| 	fi
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| 
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| 	get_mac_ascii "$part" "$key"
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| }
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| 
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| mmc_get_mac_binary() {
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| 	local part_name="$1"
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| 	local offset="$2"
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| 	local part
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| 
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| 	part=$(find_mmc_part "$part_name")
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| 	get_mac_binary "$part" "$offset"
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| }
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| 
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| macaddr_add() {
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| 	local mac=$1
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| 	local val=$2
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| 	local oui=${mac%:*:*:*}
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| 	local nic=${mac#*:*:*:}
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| 
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| 	nic=$(printf "%06x" $((0x${nic//:/} + val & 0xffffff)) | sed 's/^\(.\{2\}\)\(.\{2\}\)\(.\{2\}\)/\1:\2:\3/')
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| 	echo $oui:$nic
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| }
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| 
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| macaddr_generate_from_mmc_cid() {
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| 	local mmc_dev=$1
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| 
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| 	local sd_hash=$(sha256sum /sys/class/block/$mmc_dev/device/cid)
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| 	local mac_base=$(macaddr_canonicalize "$(echo "${sd_hash}" | dd bs=1 count=12 2>/dev/null)")
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| 	echo "$(macaddr_unsetbit_mc "$(macaddr_setbit_la "${mac_base}")")"
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| }
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| 
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| macaddr_geteui() {
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| 	local mac=$1
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| 	local sep=$2
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| 
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| 	echo ${mac:9:2}$sep${mac:12:2}$sep${mac:15:2}
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| }
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| 
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| macaddr_setbit() {
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| 	local mac=$1
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| 	local bit=${2:-0}
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| 
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| 	[ $bit -gt 0 -a $bit -le 48 ] || return
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| 
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| 	printf "%012x" $(( 0x${mac//:/} | 2**(48-bit) )) | sed -e 's/\(.\{2\}\)/\1:/g' -e 's/:$//'
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| }
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| 
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| macaddr_unsetbit() {
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| 	local mac=$1
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| 	local bit=${2:-0}
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| 
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| 	[ $bit -gt 0 -a $bit -le 48 ] || return
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| 
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| 	printf "%012x" $(( 0x${mac//:/} & ~(2**(48-bit)) )) | sed -e 's/\(.\{2\}\)/\1:/g' -e 's/:$//'
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| }
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| 
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| macaddr_setbit_la() {
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| 	macaddr_setbit $1 7
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| }
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| 
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| macaddr_unsetbit_mc() {
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| 	local mac=$1
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| 
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| 	printf "%02x:%s" $((0x${mac%%:*} & ~0x01)) ${mac#*:}
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| }
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| 
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| macaddr_random() {
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| 	local randsrc=$(get_mac_binary /dev/urandom 0)
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| 	
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| 	echo "$(macaddr_unsetbit_mc "$(macaddr_setbit_la "${randsrc}")")"
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| }
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| 
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| macaddr_canonicalize() {
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| 	local mac="$1"
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| 	local canon=""
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| 
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| 	mac=$(echo -n $mac | tr -d \")
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| 	[ ${#mac} -gt 17 ] && return
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| 	[ -n "${mac//[a-fA-F0-9\.: -]/}" ] && return
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| 
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| 	for octet in ${mac//[\.:-]/ }; do
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| 		case "${#octet}" in
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| 		1)
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| 			octet="0${octet}"
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| 			;;
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| 		2)
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| 			;;
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| 		4)
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| 			octet="${octet:0:2} ${octet:2:2}"
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| 			;;
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| 		12)
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| 			octet="${octet:0:2} ${octet:2:2} ${octet:4:2} ${octet:6:2} ${octet:8:2} ${octet:10:2}"
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| 			;;
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| 		*)
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| 			return
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| 			;;
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| 		esac
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| 		canon=${canon}${canon:+ }${octet}
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| 	done
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| 
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| 	[ ${#canon} -ne 17 ] && return
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| 
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| 	printf "%02x:%02x:%02x:%02x:%02x:%02x" 0x${canon// / 0x} 2>/dev/null
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| }
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| 
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| dt_is_enabled() {
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| 	grep -q okay "/proc/device-tree/$1/status"
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| }
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