56 lines
991 B
Bash
56 lines
991 B
Bash
|
#!/bin/sh
|
||
|
|
#
|
||
|
|
# Copyright (C) 2018 Weijie Gao <hackpascal@gmail.com>
|
||
|
|
#
|
||
|
|
# Helper function to extract mac addresses from mtd part for Phicomm K2T
|
||
|
|
#
|
||
|
|
|
||
|
|
. /lib/functions.sh
|
||
|
|
. /lib/functions/system.sh
|
||
|
|
. /usr/share/libubox/jshn.sh
|
||
|
|
|
||
|
|
k2t_config_load() {
|
||
|
|
local mtd_blk=$(find_mtd_part config)
|
||
|
|
|
||
|
|
if [ -z "$mtd_blk" ]; then
|
||
|
|
echo "k2t_config_load: no mtd part named config" >&2
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
local json_size=$(dd if=$mtd_blk bs=1 count=8 2>/dev/null)
|
||
|
|
|
||
|
|
json_size="0x$json_size"
|
||
|
|
json_size=$((json_size))
|
||
|
|
|
||
|
|
if [ "$?" -ne 0 ]; then
|
||
|
|
echo "k2t_config_load: invalid json data size" >&2
|
||
|
|
exit 2
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ "$json_size" -eq 0 ]; then
|
||
|
|
echo "k2t_config_load: empty json data" >&2
|
||
|
|
exit 3
|
||
|
|
fi
|
||
|
|
|
||
|
|
local json_data=$(dd if=$mtd_blk bs=1 skip=8 count=$json_size 2>/dev/null)
|
||
|
|
|
||
|
|
json_load "$json_data"
|
||
|
|
}
|
||
|
|
|
||
|
|
k2t_get_mac() {
|
||
|
|
local old_ns
|
||
|
|
|
||
|
|
json_set_namespace "k2t" old_ns
|
||
|
|
|
||
|
|
if k2t_config_load; then
|
||
|
|
json_select "this_dev_info"
|
||
|
|
json_get_var val "$1"
|
||
|
|
json_select ..
|
||
|
|
fi
|
||
|
|
|
||
|
|
json_set_namespace old_ns
|
||
|
|
|
||
|
|
echo $val
|
||
|
|
}
|
||
|
|
|