plan9fox/rc/bin/inst/configether

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#!/bin/rc
# desc: configure your internet connection via an ethernet card
switch($1) {
case go
echo
echo 'Please choose a method for configuring your ethernet connection.'
echo
echo ' manual - specify IP address, network mask, gateway IP address'
echo ' dhcp - use DHCP to automatically configure'
echo
prompt -d dhcp 'Configuration method' manual dhcp
ethermethod=$rd
gwaddr=xxx
ipaddr=xxx
ipmask=xxx
switch($ethermethod){
case dhcp
echo
echo 'Some ISPs, notably @HOME, require a host name passed with DHCP'
echo 'requests. An example for @HOME would be "cc1018221-a". If your'
echo 'ISP supplied you such a name, enter it.'
echo
prompt -d none 'dhcp host name'; dhcphost=$rd
switch($dhcphost){
case none
dhcphost=();
case *
dhcphost=(-h $dhcphost)
}
export dhcphost
case manual
prompt 'ip address'; ipaddr=$rd
prompt 'network mask'; ipmask=$rd
prompt 'gateway address'; gwaddr=$rd
export ipaddr ipmask gwaddr
}
export ethermethod gwaddr ipaddr ipmask dhcphost
exec startether go
case checkdone
if(! ~ $ethermethod manual dhcp) {
configether=notdone
export configether
}
if(~ $ethermethod manual && ~ 0 $#ipaddr $#ipmask $#gwaddr) {
configether=notdone
export configether
}
}