blob: 0ac291201452a01ab1ba4d96188990387f83576e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
|
# Copyright (C) 2006-2013 OpenWrt.org
. /lib/functions.sh
. /usr/share/libubox/jshn.sh
get_mac_binary() {
local path="$1"
local offset="$2"
if ! [ -e "$path" ]; then
echo "get_mac_binary: file $path not found!" >&2
return
fi
hexdump -v -n 6 -s $offset -e '5/1 "%02x:" 1/1 "%02x"' $path 2>/dev/null
}
get_mac_label_dt() {
local basepath="/proc/device-tree"
local macdevice="$(cat "$basepath/aliases/label-mac-device" 2>/dev/null)"
local macaddr
[ -n "$macdevice" ] || return
macaddr=$(get_mac_binary "$basepath/$macdevice/mac-address" 0 2>/dev/null)
[ -n "$macaddr" ] || macaddr=$(get_mac_binary "$basepath/$macdevice/local-mac-address" 0 2>/dev/null)
echo $macaddr
}
get_mac_label_json() {
local cfg="/etc/board.json"
local macaddr
[ -s "$cfg" ] || return
json_init
json_load "$(cat $cfg)"
if json_is_a system object; then
json_select system
json_get_var macaddr label_macaddr
json_select ..
fi
echo $macaddr
}
get_mac_label() {
local macaddr=$(get_mac_label_dt)
[ -n "$macaddr" ] || macaddr=$(get_mac_label_json)
echo $macaddr
}
find_mtd_chardev() {
local INDEX=$(find_mtd_index "$1")
local PREFIX=/dev/mtd
[ -d /dev/mtd ] && PREFIX=/dev/mtd/
echo "${INDEX:+$PREFIX$INDEX}"
}
mtd_get_mac_ascii() {
local mtdname="$1"
local key="$2"
local part
local mac_dirty
part=$(find_mtd_part "$mtdname")
if [ -z "$part" ]; then
echo "mtd_get_mac_ascii: partition $mtdname not found!" >&2
return
fi
mac_dirty=$(strings "$part" | sed -n 's/^'"$key"'=//p')
# "canonicalize" mac
[ -n "$mac_dirty" ] && macaddr_canonicalize "$mac_dirty"
}
mtd_get_mac_text() {
local mtdname=$1
local offset=$(($2))
local part
local mac_dirty
part=$(find_mtd_part "$mtdname")
if [ -z "$part" ]; then
echo "mtd_get_mac_text: partition $mtdname not found!" >&2
return
fi
if [ -z "$offset" ]; then
echo "mtd_get_mac_text: offset missing!" >&2
return
fi
mac_dirty=$(dd if="$part" bs=1 skip="$offset" count=17 2>/dev/null)
# "canonicalize" mac
[ -n "$mac_dirty" ] && macaddr_canonicalize "$mac_dirty"
}
mtd_get_mac_binary() {
local mtdname="$1"
local offset="$2"
local part
part=$(find_mtd_part "$mtdname")
get_mac_binary "$part" "$offset"
}
mtd_get_mac_binary_ubi() {
local mtdname="$1"
local offset="$2"
. /lib/upgrade/nand.sh
local ubidev=$(nand_find_ubi $CI_UBIPART)
local part=$(nand_find_volume $ubidev $1)
get_mac_binary "/dev/$part" "$offset"
}
mtd_get_part_size() {
local part_name=$1
local first dev size erasesize name
while read dev size erasesize name; do
name=${name#'"'}; name=${name%'"'}
if [ "$name" = "$part_name" ]; then
echo $((0x$size))
break
fi
done < /proc/mtd
}
mmc_get_mac_binary() {
local part_name="$1"
local offset="$2"
local part
part=$(find_mmc_part "$part_name")
get_mac_binary "$part" "$offset"
}
macaddr_add() {
local mac=$1
local val=$2
local oui=${mac%:*:*:*}
local nic=${mac#*:*:*:}
nic=$(printf "%06x" $((0x${nic//:/} + val & 0xffffff)) | sed 's/^\(.\{2\}\)\(.\{2\}\)\(.\{2\}\)/\1:\2:\3/')
echo $oui:$nic
}
macaddr_geteui() {
local mac=$1
local sep=$2
echo ${mac:9:2}$sep${mac:12:2}$sep${mac:15:2}
}
macaddr_setbit() {
local mac=$1
local bit=${2:-0}
[ $bit -gt 0 -a $bit -le 48 ] || return
printf "%012x" $(( 0x${mac//:/} | 2**(48-bit) )) | sed -e 's/\(.\{2\}\)/\1:/g' -e 's/:$//'
}
macaddr_unsetbit() {
local mac=$1
local bit=${2:-0}
[ $bit -gt 0 -a $bit -le 48 ] || return
printf "%012x" $(( 0x${mac//:/} & ~(2**(48-bit)) )) | sed -e 's/\(.\{2\}\)/\1:/g' -e 's/:$//'
}
macaddr_setbit_la() {
macaddr_setbit $1 7
}
macaddr_unsetbit_mc() {
local mac=$1
printf "%02x:%s" $((0x${mac%%:*} & ~0x01)) ${mac#*:}
}
macaddr_random() {
local randsrc=$(get_mac_binary /dev/urandom 0)
echo "$(macaddr_unsetbit_mc "$(macaddr_setbit_la "${randsrc}")")"
}
macaddr_2bin() {
local mac=$1
echo -ne \\x${mac//:/\\x}
}
macaddr_canonicalize() {
local mac="$1"
local canon=""
mac=$(echo -n $mac | tr -d \")
[ ${#mac} -gt 17 ] && return
[ -n "${mac//[a-fA-F0-9\.: -]/}" ] && return
for octet in ${mac//[\.:-]/ }; do
case "${#octet}" in
1)
octet="0${octet}"
;;
2)
;;
4)
octet="${octet:0:2} ${octet:2:2}"
;;
12)
octet="${octet:0:2} ${octet:2:2} ${octet:4:2} ${octet:6:2} ${octet:8:2} ${octet:10:2}"
;;
*)
return
;;
esac
canon=${canon}${canon:+ }${octet}
done
[ ${#canon} -ne 17 ] && return
printf "%02x:%02x:%02x:%02x:%02x:%02x" 0x${canon// / 0x} 2>/dev/null
}
|
