openwrt/package/network/services/dnsmasq/files/dhcp-script.sh

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#!/bin/sh
[ -f "$USER_DHCPSCRIPT" ] && . "$USER_DHCPSCRIPT" "$@"
. /usr/share/libubox/jshn.sh
json_init
json_add_array env
hotplugobj=""
case "$1" in
add | del | old | arp-add | arp-del)
json_add_string "" "MACADDR=$2"
json_add_string "" "IPADDR=$3"
;;
esac
case "$1" in
add)
json_add_string "" "ACTION=add"
json_add_string "" "HOSTNAME=$4"
hotplugobj="dhcp"
;;
del)
json_add_string "" "ACTION=remove"
json_add_string "" "HOSTNAME=$4"
hotplugobj="dhcp"
;;
old)
json_add_string "" "ACTION=update"
json_add_string "" "HOSTNAME=$4"
hotplugobj="dhcp"
;;
arp-add)
json_add_string "" "ACTION=add"
hotplugobj="neigh"
;;
arp-del)
json_add_string "" "ACTION=remove"
hotplugobj="neigh"
;;
tftp)
json_add_string "" "ACTION=add"
json_add_string "" "TFTP_SIZE=$2"
json_add_string "" "TFTP_ADDR=$3"
json_add_string "" "TFTP_PATH=$4"
hotplugobj="tftp"
;;
esac
json_close_array env
[ -n "$hotplugobj" ] && ubus call hotplug.${hotplugobj} call "$(json_dump)"