#! /bin/ash

/etc/init.d/cron stop

#vars for downloading base configurations 
ff_s='http://fabfi.fablab.af' #fabfi server
ff_dld='/download/software/base_config/2_1/' # dld needs leading and trailing /
ff_u='fabfi' #user
ff_cfg='fabfi-files.tgz'
ec="etc/config/"
i_d="etc/init.d/"
r_d="etc/rc.d/"

#temporary directory for downloaded files
ff_tmp='/tmp/'
ff_tdld='/tmp/setup/' #needs trailing /
ff_td='/tmp/setup/packages/' #needs trailing / expected to be a direct sub of tdld. Tar file defines fabfi_config part
ff_tdo='/tmp/setup/packages_optional/' #needs trailing / expected to be a direct sub of tdld. Tar file defines fabfi_config part

#misc constants
ff_cIP=0
ff_dIP=0
ff_wm_abIP="10.102." #needs trailing .
ff_m_abIP="10.101." #needs trailing .
ff_m_cIP="0." #needs trailing .
ff_l_abIP="10.103." #needs trailing .
ff_gw_dIP="1"

echo ""
echo "Welcome to the FabFi 2.0a->2.1 device update script."  
sleep 2
echo ""


i="nothing"
until (test "y" == $i || test "n" == $i); do
	echo "Do you need to download config files y/n? (respond y unless you have already download $ff_cfg to $ff_tdld)"
	read i
done

if test "y" == $i; then
	#get tarball for base config files
	echo "Retrieving configuration files with wget"
	mkdir $ff_tdld
	if !(wget $ff_s$ff_dld$ff_cfg -O $ff_tdld$ff_cfg); then
		echo "Could not download config files."
		exit
	fi 
fi


#unzip config files to temp dir. 
tar -C $ff_tdld -xzf $ff_tdld$ff_cfg

cp -rf ${ff_tdld}lib/ /
#cp -f ${ff_tdld}${ec}network /${ec}
#cp -f ${ff_tdld}${ec}wireless /${ec}
#cp -f ${ff_tdld}${ec}httpd /${ec}
#cp -f ${ff_tdld}${ec}dhcp /${ec}
#cp -f ${ff_tdld}${ec}system /${ec}
cp -f ${ff_tdld}etc/opkg.conf.offline /etc/opkg.conf

echo "Replacing wget temporarily. If you quit now, you'll have to the symlink to /bin/busybox"
# Copy wget for opkg-spoofing purposes
rm /usr/bin/wget
rm /usr/bin/wget-real
echo '#!/bin/ash' > /usr/bin/wget-opkg
echo 'cp $4 $3' >> /usr/bin/wget-opkg
chmod ugo+x /usr/bin/wget-opkg
ln -s /usr/bin/wget-opkg /usr/bin/wget


echo "Updating software"
### Doing it the old fashioned way....
opkg update
opkg --autoremove remove ngrep
opkg -force-reinstall install iptables-mod-extra
df -h
opkg -force-reinstall install nodogsplash
df -h
echo "software updated.  Fixing files"

rm -rf /etc/nodogsplash/htdocs/images/
#rm /etc/nodogsplash/htdocs/images/wifidog.png
rm /${i_d}/nodogsplash.init
cp -df ${ff_tdld}www/index.html /www/
cp -df ${ff_tdld}www/images /www/
#cp -f ${ff_tdld}${ec}olsrd /${ec}
#cp -f ${ff_tdld}${ec}firewall /${ec}
cp -f ${ff_tdld}${ec}qos /${ec}
cp -rf ${ff_tdld}etc/fabfi-scripts/ /etc/
cp -f ${ff_tdld}etc/crontabs/root /etc/crontabs/
#cp -f ${ff_tdld}etc/firewall.user /etc/
cp -f ${ff_tdld}${i_d}custom-user-startup /${i_d}
#cp -df ${ff_tdld}${r_d}S98customuserstartup /${r_d}
#cp -df ${ff_tdld}${r_d}S50olsrd /${r_d}
#cp -df ${ff_tdld}${r_d}S65mini_snmpd /${r_d}
cp -df ${ff_tdld}${r_d}S66nodogsplash /${r_d}
#cp -f ${ff_tdld}${ec}luci_ethers /${ec}
#cp -f ${ff_tdld}${ec}luci_hosts /${ec}
#cp -f ${ff_tdld}${ec}mini_snmpd /${ec}
#cp -f ${ff_tdld}${i_d}mini_snmpd /${i_d}
#cp -f ${ff_tdld}etc/passwd /etc/
cp -f ${ff_tdld}etc/nodogsplash/nodogsplash.conf /etc/nodogsplash/
rm  /etc/nodogsplash/htdocs/splash.html
cp -df ${ff_tdld}etc/nodogsplash/htdocs/splash.html /etc/nodogsplash/htdocs/
cp -df ${ff_tdld}etc/nodogsplash/splash.base /etc/nodogsplash/
cp -df ${ff_tdld}etc/nodogsplash/splash-auth.base /etc/nodogsplash/
cp -rf ${ff_tdld}/etc/nodogsplash/htdocs/images/ /etc/nodogsplash/htdocs/
cp -f ${ff_tdld}etc/nodogsplash/htdocs/infoskel.html /etc/nodogsplash/htdocs/
ln -s /var/etc/ffstatus.log /www/ffstatus.log
rm /etc/hosts
cp -df ${ff_tdld}etc/hosts /etc/
cp -f ${ff_tdld}${i_d}nodogsplash /${i_d}

df -h

echo "Restoring wget.."
rm /usr/bin/wget

df -h

ln -s /bin/busybox /usr/bin/wget
cp -f ${ff_tdld}etc/opkg.conf.online /etc/opkg.conf
echo "wget has been restored to normal."

ns_index=`uci show olsrd | grep -e 'olsrd\.@LoadPlugin\[.*\]\.library=olsrd_nameservice\.so' | 
awk 'FS="[";{print $2}' | awk 'FS="]";{print $1};' | tail -1`

#set config variables
uci set olsrd.@LoadPlugin[${ns_index}].name_change_script="/init.d/luci_hosts restart"
uci set httpd.@httpd[0].port=80
uci commit

echo Hostname = `uci get system.@system[0].hostname`

echo ""
echo LAN IP = `uci get network.lan.ipaddr`
echo MESH IP = `uci get network.mesh.ipaddr`
echo WIFIMESH IP = `uci get network.wifimesh.ipaddr`

echo ""

echo Wireless channel = `uci get wireless.wl0.channel`
echo Wireless distance = `uci get wireless.wl0.distance`
sleep 2

#hack so I don't have to keep fixing setrouter in the AP and STA tarballs.
#cp ${ff_tmp}fabfi-setup /etc/fabfi-scripts/fabfi-setup

echo "YOU MUST RESTART ROUTER FOR CHANGES TO TAKE EFFECT"
echo ""
sleep 4