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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/router/busybox/examples/var_service/dhcp_if/
1#!/bin/sh
2# convert:
3
4# dhcptype=5
5# serverid=172.16.42.102
6# lease=97200
7# interface=eth0
8# ip=172.16.42.177
9# subnet=255.255.255.0
10# mask=24
11# broadcast=172.16.22.255
12# router=172.16.42.98
13# dns=10.34.32.125 10.32.63.5 10.34.255.7 10.11.255.27
14# domain=lab.example.com example.com
15# ntpsrv=10.34.32.125 10.34.255.7
16
17# into:
18
19#let cfg=cfg+1
20#if[$cfg]=...; ip[$cfg]=...; ipmask[$cfg]=.../...; gw[$cfg]=...; net[$cfg]=... dns[$cfg]=...
21
22exec >/dev/null
23#exec >"$0.out"  # debug
24exec 2>&1
25
26test "$interface" || exit 1
27test "$ip" || exit 1
28
29{
30echo "let cfg=cfg+1"
31test "$interface"	&& echo "if[\$cfg]='$interface'"
32test "$ip"		&& echo "ip[\$cfg]='$ip'"
33test "$ip" && test "$mask" \
34			&& echo "ipmask[\$cfg]='$ip/$mask'"
35test "$router"		&& echo "gw[\$cfg]='$router'"
36test "$dns"		&& echo "dns[\$cfg]='$dns'"
37# TODO: I never saw a dhcp server which correctly announces
38# which subnet(s) is/are available thru advertised router
39# Assume 0/0
40echo "net[\$cfg]='0/0'"
41} >"$1"
42