Contents of /trunk/mkinitrd-magellan/busybox/examples/var_service/dhcp_if/convert2ipconf

#!/bin/sh
# convert:

# dhcptype=5
# serverid=172.16.42.102
# lease=97200
# interface=eth0
# ip=172.16.42.177
# subnet=255.255.255.0
# mask=24
# broadcast=172.16.22.255
# router=172.16.42.98
# dns=10.34.32.125 10.32.63.5 10.34.255.7 10.11.255.27
# domain=lab.example.com example.com
# ntpsrv=10.34.32.125 10.34.255.7

# into:

#let cfg=cfg+1
#if[$cfg]=...; ip[$cfg]=...; ipmask[$cfg]=.../...; gw[$cfg]=...; net[$cfg]=... dns[$cfg]=...

exec >/dev/null
#exec >"$0.out"  # debug
exec 2>&1

test "$interface" || exit 1
test "$ip" || exit 1

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