mfw-setup.sh

#/bin/ash

##
## This script should be run on an initially installed (not configured) system.  It will do the following:
##
## - Setup LAN address and network prefix.
## - Setup /dev/sdb and make as the new overlay.
## - Setup opkg list target to reside on overlay.
##

##
## Update settings
##
SETTINGS_FILE=/etc/config/settings.json
SETTINGS_BACKUP_FILE=/etc/config/settings.backup.json

if [ ! -f $SETTINGS_BACKUP_FILE ]; then
  cp $SETTINGS_FILE $SETTINGS_BACKUP_FILE
fi

UPDATED=0
read -p "LAN IP Address: " LAN_IP
if [ "$LAN_IP" != "" ] ; then
    sed -i -r \
        's/("v4StaticAddress":) "[^"]+"/\1 "'$LAN_IP'"/' \
        $SETTINGS_FILE
    UPDATED=1
fi

read -p "LAN Network Prefix: " LAN_PREFIX
if [ "$LAN_PREFIX" != "" ] ; then
    sed -i -r \
        's/("v4StaticPrefix":) \d+/\1 '$LAN_PREFIX'/' \
        $SETTINGS_FILE
    UPDATED=1
fi

read -p "Enable SSH on WAN? (y/N): " SSH_WAN
if [ "$SSH_WAN" == "y" ] ; then
    sed -i -r \
        '$!N;s/"enabled": false,(\n\s+"description": "Accept SSH on WANs)/"enabled": true,\1/;P;D' \
        $SETTINGS_FILE
    UPDATED=1
fi

if [ $UPDATED -eq 1 ] ; then
    sync-settings
fi

##
## Update storage
##
mount | grep overlay
OVERLAY_EXISTS=$?

if [ $OVERLAY_EXISTS -eq 1 ]; then 
	opkg update
	opkg install fdisk block-mount rsync

	##
	## Create new partion on second disk.
	##
echo "
n
p



i 1
w
" | fdisk /dev/sdb

	mkfs.ext4 /dev/sdb1

	##
	## Setup new overlay.
	##
	uuid=$(block info | \
		grep sdb1 | \
		sed -r 's/[[:alnum:]]+=/\n&/g' | \
		awk -F= '$1=="UUID"{print $2}' | \
		sed -e 's/"//g' \
	)
	echo "uuid=$uuid"

	uci -q delete fstab.overlay
	uci set fstab.overlay="mount"
	uci set fstab.overlay.uuid=$uuid
	uci set fstab.overlay.target="/overlay"
	uci commit fstab

	mount /dev/sdb1 /mnt
	cp -f -a /overlay/. /mnt
	umount /mnt

	##
	## opkg to overlay
	##
	OPKG_CONF_FILE=/etc/opkg.conf
	sed -i -e \
 		'/^lists_dir\s/s:/var/opkg-lists$:/usr/lib/opkg/lists:' \
 		$OPKG_CONF_FILE
	opkg update

fi

#reboot