#!/usr/bin/env bash


base_dir=/root/Office_Networks
chown -R root:root $base_dir

logfile=$(mktemp)

function usage() {
   if [ -n "$1" ];then
      echo -e "\nError: $1"
   fi

cat<<EOF

`basename $0` - configure that gateway for a certain network

Usage: `basename $0` <network-name>

   network-name   possible values are:

                  NONE-WF
                  NONE-CKUBU

                  AKB
                  ANW-URB
                  ANW-KM
                  B3-Bornim
                  CKUBU
                  FLR-BRB
                  GA-AL
                  GA-Ersatz
                  GA-NH
                  GA-Schloss
                  JONAS
                  Kanzlei-Kiel
                  MBR
                  OOLM
                  OPP
                  ReachOut
                  SPR-BE
                  WF


Notice:

   !! To change the network, you have to chroot into /ro !!

   remountrw
   rebind on
   chroot /ro

   `basename $0` <network-name>

   exit
   rebind off
   remountro

EOF

rm -rf $logfile
exit

}

error(){
   echo ""
   if $terminal ; then
      echo -e "\t[ \033[31m\033[1mFehler\033[m ]: $*"
   else
      echo "Error: $*"
   fi
   echo ""
}

warn (){
   echo ""
   if $terminal ; then
      echo -e "\t[ \033[33m\033[1mWarning\033[m ]: $*"
   else
      echo "Warning: $*"
   fi
   echo ""
}

info (){
   echo ""
   if $terminal ; then
      echo -e "\t[ \033[32m\033[1mInfo\033[m ]: $*"
   else
      echo "Info: $*"
   fi
   echo ""
}


echo_OK() {
   echo -en "\\033[45G[  \\033[1;32mOK\\033[0;39m  ]\n"
}

echo_FAILED() {
   echo -en "\\033[45G[ \\033[1;31mFAIL\\033[0;39m ]\n"
}

echo_SKIPPED() {
   echo -en "\\033[45G[ \\033[37mSkipped\\033[0;39m ]\n"
}

[ $# -ne "1" ] && usage "wrong number of arguments"


case $1 in
   CKUBU)
      network=$1
      _igmproxy=true
      _add_support_if=true
      ;;
   NONE-CKUBU|NONE-WF)
      network=$1
      _igmproxy=false
      _add_support_if=false
      ;;
   AKB|ANW-URB|ANW-KM|B3-Bornim|FLR-BRB|GA-AL|GA-Ersatz|GA-NH|GA-Schloss|JONAS|Kanzlei-Kiel|MBR|OOLM|OPP|ReachOut|SPR-BE|WF)
      network=$1
      _igmproxy=false
      _add_support_if=true
      ;;
   *)
      usage
      exit 1
esac
echo ""
echo "Configure gateway for network \"$network\".."
echo ""

# - Nameserver Bind
# -    /etc/bind/*
# -
echo -en "\tNameserver settings.."
_rval=true
rm -rf /etc/bind
if [ "$?" != "0" ]; then
   _rval=false
fi
mkdir -p /var/log/named
if [ "$?" != "0" ]; then
   _rval=false
fi
chown bind:bind /var/log/named > /dev/null 2>&1
cp -a ${base_dir}/${network}/bind /etc/bind
if [ "$?" != "0" ]; then
   _rval=false
fi
if ! $_rval ; then
   echo_FAILED
else
   echo_OK
fi


# - OpenVPN:
# -    /etc/openvpn/*
# -
if [[ -d "/etc/openvpn" ]]; then
   echo -en "\tVPN settings.."
   /etc/init.d/openvpn stop > /dev/null
   rm -rf /etc/openvpn
   cp -a ${base_dir}/${network}/openvpn /etc/openvpn > $logfile 2>&1
   if [ "$?" != "0" ]; then
      echo_FAILED
      error $(cat $logfile)
   else
      echo_OK
   fi
fi

if [ -d "/root/.openvpn" ]; then
   echo -en "\tCleanup private VPN settings for user root.."
   rm -r /root/.openvpn > $logfile 2>&1
   if [ "$?" != "0" ]; then
      echo_FAILED
      error $(cat $logfile)
   else
      echo_OK
   fi
fi

if [ -d "${base_dir}/${network}/.openvpn" ];then
   echo -en "\tPrivate VPN settings for root user.."
   cp -a ${base_dir}/${network}/.openvpn /root/.openvpn > $logfile 2>&1
   if [ "$?" != "0" ]; then
      echo_FAILED
      error $(cat $logfile)
   else
      echo_OK
   fi
   chown -R root:root /root/.openvpn
   chmod 700 /root/.openvpn
else
   if [ -d "/root/.openvpn" ];then
      rm /root/.openvpn
   fi
fi


# - DynDNS
# -    /etc/ddclient.conf
if [ -f ${base_dir}/${network}/ddclient.conf.${network} ];then
   echo -en "\tConfigure DynDNS.."
   cp -a ${base_dir}/${network}/ddclient.conf.${network} /etc/ddclient.conf > $logfile 2>&1
   if [ "$?" != "0" ]; then
      echo_FAILED
      error $(cat $logfile)
   else
      echo_OK
   fi
fi


# - DHCP Server
# -    /etc/dhcp/dhcpd.conf
echo -en "\tDHCP Server settings.."
files="dhcpd.conf.${network}
       dhcpd6.conf.${network}
       hosts.lan.conf.${_network}
       hosts.w-lan.conf.${_network}"

failed=false
success=false
for file in $files ; do
   file_real_name="${file%.*}"
   if [[ -f "${base_dir}/${network}/$file" ]]; then
      if [[ -d /etc/dhcp ]]; then
         cp -a ${base_dir}/${network}/$file /etc/dhcp/ > $logfile 2>&1
         if [[ "$?" = "0" ]]; then
            success=true
         else
            failed=true
         fi
      elif [[ -d /etc/dhcp3 ]] ;then
         cp -a ${base_dir}/${network}/$file /etc/dhcp3/ > $logfile 2>&1
         if [[ "$?" = "0" ]]; then
            success=true
         else
            failed=true
         fi
      fi
   fi
done
if $failed ; then
   echo_FAILED
   error $(cat $logfile)
elif $success ; then
   echo_OK
else
   echo_SKIPPED
fi


#if [ -f "${base_dir}/${network}/isc-dhcp6-server.${network}" ]; then
#   echo -en "\tINIT-Script isc-dhcp6-server.."
#   cp -a ${base_dir}/${network}/isc-dhcp6-server.${network} /etc/init.d/isc-dhcp6-server
#   if [ "$?" != "0" ]; then
#      echo_FAILED
#   else
#      echo_OK
#   fi
#fi


# - DSL:
# -    /etc/ppp/peers/dsl-provider
# -    /etc/ppp/ip-up.d/email_notice
rval=true
echo -en "\tDSL settings.."

if [[ -d "/etc/ppp/peers" ]]; then
   if [[ -d "{base_dir}/${network}/peers" ]]; then
      cp -a ${base_dir}/${network}/peers/* /etc/ppp/peers/  > $logfile 2>&1
      if [ "$?" != "0" ]; then
         _rval=false
      fi
   fi
fi

if [[ -f "{base_dir}/${network}/email_notice.${network}" ]] ; then
   cp -a ${base_dir}/${network}/email_notice.${network} /etc/ppp/ip-up.d/email_notice >> $logfile 2>&1
   if [ "$?" != "0" ]; then
      _rval=false
   fi
fi
cp -a ${base_dir}/${network}/pap-secrets.${network} /etc/ppp/pap-secrets >> $logfile 2>&1
if [ "$?" != "0" ]; then
   _rval=false
fi
cp -a ${base_dir}/${network}/chap-secrets.${network} /etc/ppp/chap-secrets >> $logfile 2>&1
if [ "$?" != "0" ]; then
   _rval=false
fi
if ! $_rval ; then
   echo_FAILED
   error $(cat $logfile)
else
   echo_OK
fi


# - Postfix SMTP
# -    /etc/postfix/main.cf
# -    /etc/mailname
# -    /etc/postfix/generic
# -    /etc/postfix/generic.db
echo -en "\tConfigure Postfix SMTP Server.."
_rval=true
/etc/init.d/postfix stop > /dev/null
cp -a ${base_dir}/${network}/main.cf.${network} /etc/postfix/main.cf > $logfile 2>&1
if [ -f ${base_dir}/${network}/generic.${network} ]; then
   cp -a ${base_dir}/${network}/generic.${network} /etc/postfix/generic >> $logfile 2>&1
   if [ "$?" != "0" ]; then
      _rval=false
   fi
   cp -a ${base_dir}/${network}/generic.db.${network} /etc/postfix/generic.db >> $logfile 2>&1
   if [ "$?" != "0" ]; then
      _rval=false
   fi
fi
if [ -f ${base_dir}/${network}/sasl_passwd.${network} ]; then
   cp -a ${base_dir}/${network}/sasl_passwd.${network} /etc/postfix/sasl_passwd >> $logfile 2>&1
   if [ "$?" != "0" ]; then
      _rval=false
   fi
   cp -a ${base_dir}/${network}/sasl_passwd.db.${network} /etc/postfix/sasl_passwd.db >> $logfile 2>&1
   if [ "$?" != "0" ]; then
      _rval=false
   fi
fi
cp -a ${base_dir}/${network}/mailname.${network} /etc/mailname >> $logfile 2>&1
if [ "$?" != "0" ]; then
   _rval=false
fi
if ! $_rval ; then
   echo_FAILED
   error $(cat $logfile)
else
   echo_OK
fi


# - Netzwerk:
# -    /etc/network/interfaces
# -    /etc/resolv.conf
# -    /etc/hostname
# -    /etc/hosts
echo -en "\tConfigure network settings.."
_rval=true
cp -a ${base_dir}/${network}/interfaces.${network} /etc/network/interfaces > $logfile 2>&1
if [ "$?" != "0" ]; then
   _rval=false
fi
cp -a ${base_dir}/${network}/resolv.conf.${network} /etc/resolv.conf >> $logfile 2>&1
if [ "$?" != "0" ]; then
   _rval=false
fi
cp -a ${base_dir}/${network}/hosts.${network} /etc/hosts >> $logfile 2>&1
if [ "$?" != "0" ]; then
   _rval=false
fi
cp -a ${base_dir}/${network}/hostname.${network} /etc/hostname >> $logfile 2>&1
if [ "$?" != "0" ]; then
   _rval=false
fi
if ! $_rval ; then
   echo_FAILED
   error $(cat $logfile)
else
   echo_OK
fi


# - /usr/local/src directory
# -
echo -en "\t/root/bin directory"
if [[ -d "${base_dir}/${network}/bin" ]]; then
   if [[ ! -d "/root/bin" ]]; then
      mkdir  /root/bin > $logfile 2>&1
   fi
   cp -a ${base_dir}/${network}/bin/* /root/bin/ > $logfile 2>&1
   if ! $_rval ; then
      echo_FAILED
      error $(cat $logfile)
   else
      echo_OK
   fi
else
   echo_SKIPPED
fi


# - /usr/local/src directory
# -
echo -en "\t/usr/local/src directory"
if [[ -d "${base_dir}/${network}/src" ]]; then
   cp -a ${base_dir}/${network}/src/* /usr/local/src/ > $logfile 2>&1
   if ! $_rval ; then
      echo_FAILED
      error $(cat $logfile)
   else
      echo_OK
   fi
else
   echo_SKIPPED
fi


# - /usr/local/sbin directory
# -
echo -en "\t/usr/local/sbin directory"
if [[ -d "${base_dir}/${network}/sbin" ]]; then
   cp -a ${base_dir}/${network}/sbin/* /usr/local/sbin/ > $logfile 2>&1
   if ! $_rval ; then
      echo_FAILED
      error $(cat $logfile)
   else
      echo_OK
   fi
else
   echo_SKIPPED
fi



# - Firewall:
# -
_rval=true
echo -en "\tFirewall.."

if [[ -d "${base_dir}/${network}/ipt-firewall" ]]; then
   if [[ -d "/etc/ipt-firewall" ]]; then
      rm -rf /etc/ipt-firewall
   fi
   mkdir -p /etc/ipt-firewall
   cp -a ${base_dir}/${network}/ipt-firewall /etc/ > $logfile 2>&1
   if [ "$?" != "0" ]; then
      _rval=false
   fi
else
   if [[ -d "/etc/ipt-firewall" ]]; then
      rm -rf /etc/ipt-firewall >> $logfile 2>&1
   fi
fi

if [ -f ${base_dir}/${network}/ipt-firewall.${network} ]; then
   cp -a ${base_dir}/${network}/ipt-firewall.${network} /etc/init.d/ipt-firewall >> $logfile 2>&1
   if [ "$?" != "0" ]; then
      _rval=false
   fi
else
   rm -f /etc/init.d/ipt-firewall >> $logfile 2>&1
fi

if [ -f ${base_dir}/${network}/ip6t-firewall.${network} ]; then
   cp -a ${base_dir}/${network}/ip6t-firewall.${network} /etc/init.d/ip6t-firewall >> $logfile 2>&1
   if [ "$?" != "0" ]; then
      _rval=false
   fi
else
   if [ -f "/etc/init.d/ip6t-firewall" ]; then
      rm -f /etc/init.d/ip6t-firewall >> $logfile 2>&1
   fi
fi

if [ -f ${base_dir}/${network}/ip6t-firewall.${network} ]; then
   echo -en "\tFirewall IPv6.."
   cp -a ${base_dir}/${network}/ip6t-firewall.${network} /etc/init.d/ip6t-firewall >> $logfile 2>&1
   if [ "$?" != "0" ]; then
      _rval=false
   fi
else
   if [ -f "/etc/init.d/ip6t-firewall" ]; then
      rm /etc/init.d/ip6t-firewall
   fi
fi

if [[ -f "${base_dir}/${network}/ipt-firewall.service.${network}" ]]; then
   cp ${base_dir}/${network}/ipt-firewall.service.${network} /etc/systemd/system/ipt-firewall.service >> $logfile 2>&1
   if [ "$?" != "0" ]; then
      _rval=false
   fi
   systemctl daemon-reload >> $logfile 2>&1
   if [ "$?" != "0" ]; then
      _rval=false
   fi
   systemctl enable ipt-firewall.service >> $logfile 2>&1
   if [ "$?" != "0" ]; then
      _rval=false
   fi
else
   if [[ -f "/etc/systemd/system/ipt-firewall.service" ]]; then
      systemctl disable ipt-firewall.service >> $logfile 2>&1
      rm /etc/systemd/system/ipt-firewall.service >> $logfile 2>&1
   fi
fi

if [[ -f "${base_dir}/${network}/ip6t-firewall.service.${network}" ]]; then
   cp ${base_dir}/${network}/ip6t-firewall.service.${network} /etc/systemd/system/ip6t-firewall.service >> $logfile 2>&1
   if [ "$?" != "0" ]; then
      _rval=false
   fi
   systemctl daemon-reload >> $logfile 2>&1
   if [ "$?" != "0" ]; then
      _rval=false
   fi
   systemctl enable ip6t-firewall.service >> $logfile 2>&1
   if [ "$?" != "0" ]; then
      _rval=false
   fi
else
   if [[ -f "/etc/systemd/system/ip6t-firewall.service" ]]; then
      systemctl disable ip6t-firewall.service >> $logfile 2>&1
      rm /etc/systemd/system/ip6t-firewall.service >> $logfile 2>&1
   fi
fi

if ! $_rval ; then
   echo_FAILED
   error $(cat $logfile)
else
   echo_OK
fi


# - Check Script Onlinestatus
# -
echo -en "\tCheck Script Onlinestatus.."
_rval=true


if [[ -d "${base_dir}/${network}/check_net" ]]; then
   if [[ -d "/etceck_net" ]]; then
      rm -rf /etc/check_net > $logfile 2>&1
   fi
   mkdir -p /etc/check_net
   cp -a ${base_dir}/${network}/check_net /etc/ >> $logfile 2>&1
   if [ "$?" != "0" ]; then
      _rval=false
   fi
else
   if [[ -d "/etc/check_net" ]]; then
      rm -rf /etc/check_net >> $logfile 2>&1
   fi
fi

if [ -f ${base_dir}/${network}/check_net.service.${_network} ] ; then
   cp -a ${base_dir}/${network}/check_net.service.${_network} /etc/systemd/system/check_net.service >> $logfile 2>&1
   if [ "$?" != "0" ]; then
      _rval=false
   fi
   systemctl daemon-reload >> $logfile 2>&1
   systemctl enable check_net.service >> $logfile 2>&1
   if [ "$?" != "0" ]; then
      _rval=false
   fi
else
   if [[ -f "/etc/systemd/system/check_net.service" ]]; then
      systemctl disable check_net.service >> $logfile 2>&1
      rm /etc/systemd/system/check_net.service >> $logfile 2>&1
      systemctl daemon-reload
   fi
fi

if [[ -f "${base_dir}/${network}/check_net-logrotate.${_network}" ]]; then
   cp -a ${base_dir}/${network}/check_net-logrotate.${_network} /etc/logrotated.d/check_net >> $logfile 2>&1
   if [ "$?" != "0" ]; then
      _rval=false
   fi
else
   if [[ -f "/etc/logrotated.d/check_net" ]]; then
      rm /etc/logrotated.d/check_net >> $logfile 2>&1
   fi
fi

if ! $_rval ; then
   echo_FAILED
   error $(cat $logfile)
else
   echo_OK
fi


# - Other files
# -

if [ -f ${base_dir}/${network}/igmpproxy.conf.${network} ];then
   echo -en "\tConfigure igmproxy (Entertain TV).."
   PID=`ps aux | grep "/igmpproxy " | grep -v grep | awk '{print$2}'`
   kill -9 $PID > /dev/null 2>&1
   cp -a ${base_dir}/${network}/igmpproxy.conf.${network} /usr/local/igmpproxy/etc/igmpproxy.conf > $logfile 2>&1
   if [ "$?" != "0" ]; then
      echo_FAILED
      error $(cat $logfile)
   else
      echo_OK
   fi
fi

if [ -f  ${base_dir}/${network}/aiccu.conf.${network} ]; then
   echo -en "\tConfigure aiccu (IPv6 Tunnel).."
   cp -a ${base_dir}/${network}/aiccu.conf.${network} /etc/aiccu.conf  > $logfile 2>&1
   if [ "$?" != "0" ]; then
      echo_FAILED
      error $(cat $logfile)
   else
      echo_OK
   fi
fi
if [ -f ${base_dir}/${network}/aiccu.${network} ]; then
   echo -en "\tSetting /etc/defaults/aiccu.."
   cp -a ${base_dir}/${network}/aiccu.${network} /etc/default/aiccu > $logfile 2>&1
   if [ "$?" != "0" ]; then
      echo_FAILED
      error $(cat $logfile)
   else
      echo_OK
   fi
fi

if [ -f  ${base_dir}/${network}/radvd.conf.${network} ]; then
   echo -en "\tConfigure radvd (Router Advertisment Daemon).."
   cp -a ${base_dir}/${network}/radvd.conf.${network} /etc/radvd.conf > $logfile 2>&1
   if [ "$?" != "0" ]; then
      echo_FAILED
      error $(cat $logfile)
   else
      echo_OK
   fi
fi

if $_add_support_if ; then

   if ! grep -e "eth1:rescue " /etc/network/interfaces > /dev/null ; then 

      echo -en "\tAdd interface eth1:rescue.."
      cat << EOF >> /etc/network/interfaces


auto eth1:rescue
iface eth1:rescue inet static
   address 172.16.1.1
   network 172.16.1.0
   netmask 255.255.255.0
   broadcast 172.16.1.255
EOF

      if [ "$?" != "0" ]; then
         echo_FAILED
      else
         echo_OK
      fi
   fi

fi



## - Cron (root)
## -
echo -en "\tSetting up cronjobs.." 
if [ "$network" = "NONE-CKUBU" -o "$network" = "NONE-WF" -o "$network" = "GA-Ersatz" ];then 
   cp -a ${base_dir}/crontab_root.NONE /var/spool/cron/crontabs/root > $logfile 2>&1
else 
   if [ -f ${base_dir}/${network}/cron_root.${network} ];then
      cp -a ${base_dir}/${network}/cron_root.${network} /var/spool/cron/crontabs/root > $logfile 2>&1
   fi
fi 
if [ "$?" != "0" ]; then 
   echo_FAILED 
   error $(cat $logfile)
else 
   echo_OK 
fi 
 
echo -en "\tSetting up rc.local.." 
if [ "$network" = "NONE-CKUBU" -o "$network" = "NONE-WF" -o "$network" = "GA-Ersatz" ];then 
   cp -a ${base_dir}/rc.local.NONE /etc/rc.local > $logfile 2>&1
else 
   #cp -a ${base_dir}/rc.local /etc/rc.local 
   cp -a ${base_dir}/${network}/rc.local.${network} /etc/rc.local > $logfile 2>&1
fi 
if [ "$?" != "0" ]; then 
   echo_FAILED
   error $(cat $logfile)
else 
   echo_OK 
fi

if $_add_support_if ; then
   echo -e "   After restarting, you can reach that device"
   echo -e "   at ip-address: \\033[1;33m172.16.1.1\\033[0;39m"
fi

if [ "$(stat -c %d:%i /)" = "$(stat -c %d:%i /proc/1/root/.)" ]; then

   warn "This is NOT a chrooted environment. Maybe thats ok. \n\n\t\033[1;37mIf this is a readonly system, take care, you are chrooted into /ro.\n\tOtherwise changes are not persistent.\033[m"  

   #echo ""
   #echo ""
   #echo -e "  \\033[1;31m Take care, you are chrooted into /ro. Otherwise"
   #echo -e "   changes are not persistent \\033[0;39m !!"
   #echo ""
   #echo ""
else
   info "Programm was running in a chrooted environment.\n\n\t\033[1;37mExit from chroot environment and restart to make changes active..\033[m"

   #echo ""
   #echo ""
   #echo -e "   \\033[1;33mExit from chroot environment and restart to make changes active..\\033[0;39m"
   #echo ""
fi

exit 0