1 # Copyright (C) 2006-2013 OpenWrt.org
4 local INDEX=$(find_mtd_index "$1")
7 [ -d /dev/mtd ] && PREFIX=/dev/mtd/
8 echo "${INDEX:+$PREFIX$INDEX}"
18 part=$(find_mtd_part "$mtdname")
19 if [ -z "$part" ]; then
20 echo "mtd_get_mac_ascii: partition $mtdname not found!" >&2
24 mac_dirty=$(strings "$part" | sed -n 's/^'"$key"'=//p')
27 [ -n "$mac_dirty" ] && macaddr_canonicalize "$mac_dirty"
30 mtd_get_mac_binary() {
35 part=$(find_mtd_part "$mtdname")
36 if [ -z "$part" ]; then
37 echo "mtd_get_mac_binary: partition $mtdname not found!" >&2
41 dd bs=1 skip=$offset count=6 if=$part 2>/dev/null | hexdump -v -n 6 -e '5/1 "%02x:" 1/1 "%02x"'
46 local first dev size erasesize name
47 while read dev size erasesize name; do
48 name=${name#'"'}; name=${name%'"'}
49 if [ "$name" = "$part_name" ]; then
59 local oui=${mac%:*:*:*}
60 local nic=${mac#*:*:*:}
62 nic=$(printf "%06x" $((0x${nic//:/} + $val & 0xffffff)) | sed 's/^\(.\{2\}\)\(.\{2\}\)\(.\{2\}\)/\1:\2:\3/')
70 printf "%02x:%s" $((0x${mac%%:*} | 0x02)) ${mac#*:}
77 echo -ne \\x${mac//:/\\x}
80 macaddr_canonicalize()
85 mac=$(echo -n $mac | tr -d \")
86 [ ${#mac} -gt 17 ] && return
87 [ -n "${mac//[a-fA-F0-9\.: -]/}" ] && return
89 for octet in ${mac//[\.:-]/ }; do
97 octet="${octet:0:2} ${octet:2:2}"
100 octet="${octet:0:2} ${octet:2:2} ${octet:4:2} ${octet:6:2} ${octet:8:2} ${octet:10:2}"
106 canon=${canon}${canon:+ }${octet}
109 [ ${#canon} -ne 17 ] && return
111 printf "%02x:%02x:%02x:%02x:%02x:%02x" 0x${canon// / 0x} 2>/dev/null