1 # Copyright (C) 2006-2013 OpenWrt.org
4 .
/usr
/share
/libubox
/jshn.sh
10 if ! [ -e "$path" ]; then
11 echo "get_mac_binary: file $path not found!" >&2
15 hexdump -v -n 6 -s $offset -e '5/1 "%02x:" 1/1 "%02x"' $path 2>/dev
/null
19 local basepath
="/proc/device-tree"
20 local macdevice
="$(cat "$basepath/aliases
/label-mac-device
" 2>/dev/null)"
23 [ -n "$macdevice" ] ||
return
25 macaddr
=$
(get_mac_binary
"$basepath/$macdevice/mac-address" 0 2>/dev
/null
)
26 [ -n "$macaddr" ] || macaddr
=$
(get_mac_binary
"$basepath/$macdevice/local-mac-address" 0 2>/dev
/null
)
31 get_mac_label_json
() {
32 local cfg
="/etc/board.json"
35 [ -s "$cfg" ] ||
return
38 json_load
"$(cat $cfg)"
39 if json_is_a system object
; then
41 json_get_var macaddr label_macaddr
49 local macaddr
=$
(get_mac_label_dt
)
51 [ -n "$macaddr" ] || macaddr
=$
(get_mac_label_json
)
57 local INDEX
=$
(find_mtd_index
"$1")
60 [ -d /dev
/mtd
] && PREFIX
=/dev
/mtd
/
61 echo "${INDEX:+$PREFIX$INDEX}"
70 part
=$
(find_mtd_part
"$mtdname")
71 if [ -z "$part" ]; then
72 echo "mtd_get_mac_ascii: partition $mtdname not found!" >&2
76 mac_dirty
=$
(strings "$part" |
sed -n 's/^'"$key"'=//p')
79 [ -n "$mac_dirty" ] && macaddr_canonicalize
"$mac_dirty"
88 part
=$
(find_mtd_part
"$mtdname")
89 if [ -z "$part" ]; then
90 echo "mtd_get_mac_text: partition $mtdname not found!" >&2
94 if [ -z "$offset" ]; then
95 echo "mtd_get_mac_text: offset missing!" >&2
99 mac_dirty
=$
(dd if="$part" bs
=1 skip
="$offset" count
=17 2>/dev
/null
)
102 [ -n "$mac_dirty" ] && macaddr_canonicalize
"$mac_dirty"
105 mtd_get_mac_binary
() {
110 part
=$
(find_mtd_part
"$mtdname")
111 get_mac_binary
"$part" "$offset"
114 mtd_get_mac_binary_ubi
() {
118 .
/lib
/upgrade
/nand.sh
120 local ubidev
=$
(nand_find_ubi
$CI_UBIPART)
121 local part
=$
(nand_find_volume
$ubidev $1)
123 get_mac_binary
"/dev/$part" "$offset"
126 mtd_get_part_size
() {
128 local first dev size erasesize name
129 while read dev size erasesize name
; do
130 name
=${name#'"'}; name
=${name%'"'}
131 if [ "$name" = "$part_name" ]; then
141 local oui
=${mac%:*:*:*}
142 local nic
=${mac#*:*:*:}
144 nic
=$
(printf "%06x" $
((0x
${nic//:/} + val
& 0xffffff)) |
sed 's/^\(.\{2\}\)\(.\{2\}\)\(.\{2\}\)/\1:\2:\3/')
152 echo ${mac:9:2}$sep${mac:12:2}$sep${mac:15:2}
159 [ $bit -gt 0 -a $bit -le 48 ] ||
return
161 printf "%012x" $
(( 0x
${mac//:/} |
2**(48-bit) )) |
sed -e 's/\(.\{2\}\)/\1:/g' -e 's/:$//'
168 [ $bit -gt 0 -a $bit -le 48 ] ||
return
170 printf "%012x" $
(( 0x
${mac//:/} & ~
(2**(48-bit)) )) |
sed -e 's/\(.\{2\}\)/\1:/g' -e 's/:$//'
173 macaddr_setbit_la
() {
177 macaddr_unsetbit_mc
() {
180 printf "%02x:%s" $
((0x
${mac%%:*} & ~
0x01)) ${mac#*:}
184 local randsrc
=$
(get_mac_binary
/dev
/urandom
0)
186 echo "$(macaddr_unsetbit_mc "$
(macaddr_setbit_la
"${randsrc}")")"
192 echo -ne \\x
${mac//:/\\x}
195 macaddr_canonicalize
() {
199 mac
=$
(echo -n $mac |
tr -d \")
200 [ ${#mac} -gt 17 ] && return
201 [ -n "${mac//[a-fA-F0-9\.: -]/}" ] && return
203 for octet
in ${mac//[\.:-]/ }; do
211 octet
="${octet:0:2} ${octet:2:2}"
214 octet
="${octet:0:2} ${octet:2:2} ${octet:4:2} ${octet:6:2} ${octet:8:2} ${octet:10:2}"
220 canon
=${canon}${canon:+ }${octet}
223 [ ${#canon} -ne 17 ] && return
225 printf "%02x:%02x:%02x:%02x:%02x:%02x" 0x
${canon// / 0x} 2>/dev
/null