#!/bin/rc
# mkcpu: turn standalone terminal into cpu/auth/file server
#	run as hostowner
#	only hjfs is supported
rfork e

authdom=()
user2=()

ini=/n/9fat/plan9.ini
ndb=/lib/ndb/local

fn fatal{
	echo $* >[1=2]
	exit $"*
}

switch($#*){
case 1
	authdom=$1
case 2
	authdom=$1
	user2=$2
case *
	echo 'usage: mkcpu authdom [user2]' >[1=2]
	exit usage
}

if(! test -f /srv/hjfs.cmd)
	fatal /srv/hjfs.cmd not found

if(! test -f $ini){
	bind -b '#S' /dev
	9fs 9fat
}

if(grep -s '^service=cpu' $ini){
	echo $ini already configured
}
if not{
	echo configuring $ini
	cp $ini $ini.bak
	sed '
	/^bootargs=/ {
		p
		s/^bootargs/nobootprompt/
		s/$/ -A/
	}
	$ a\
service=cpu
' <$ini.bak >$ini
	diff -c $ini.bak $ini
}

if(grep -s '^sys='$sysname' .*authdom='$authdom $ndb){
	echo $ndb already configured
}
if not{
	echo configuring $ndb
	cp $ndb $ndb.bak
	sed '
	/^sys='$sysname' / {
		s/$/ auth='$sysname' authdom='$authdom'/
	}
' <$ndb.bak >$ndb
	diff -c $ndb.bak $ndb
}

if(~ $#user2 1){
	echo newuser $user2
	echo newuser $user2 >>/srv/hjfs.cmd
}

cat <<eof
configuring nvram:
	set authid: $user
	set authdom: $authdom
	secstore key can be left empty
	password: set $user's password here
eof
auth/wrkey

auth/keyfs
echo auth/changeuser $user
auth/changeuser $user
if(~ $#user2 1){
	echo auth/changeuser $user2
	auth/changeuser $user2
}

echo 'run fshalt -r now'