diff options
Diffstat (limited to 'target/linux/ath79/generic/base-files/lib/functions/k2t.sh')
| -rwxr-xr-x | target/linux/ath79/generic/base-files/lib/functions/k2t.sh | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/target/linux/ath79/generic/base-files/lib/functions/k2t.sh b/target/linux/ath79/generic/base-files/lib/functions/k2t.sh new file mode 100755 index 0000000000..1158df818b --- /dev/null +++ b/target/linux/ath79/generic/base-files/lib/functions/k2t.sh @@ -0,0 +1,55 @@ +#!/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 +} + |