My Zyxel Keenetic scripts

052-openvpn.sh

#!/bin/sh

[ "$table" != "filter" ] && exit 0

/opt/sbin/iptables -A FORWARD -i tun0 -s 10.8.0.0/24 -j ACCEPT
/opt/sbin/iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT
/opt/sbin/iptables -t nat -I POSTROUTING -o ppp0 -s 10.8.0.0/24 -j MASQUERADE

button.sh

#!/bin/sh
# Reconnect WAN

interface_name=PPPoE0
interface_thru=ISP-Vlan

/opt/home/tg_send.sh "HW button pressed: " "Force reconnect."
ndmq -p "no interface ${interface_name} connect via ${interface_thru}"
sleep 5  
ndmq -p "interface ${interface_name} connect via ${interface_thru}"

tg_send.sh

#!/bin/sh
# Send message to user via bot
token='11111111:11111111111111111111111111111111111'
id=11111111

curl "https://api.telegram.org/bot${token}/sendMessage?chat_id=${id}&parse_mode=markdown" --data-urlencode "text=*$1* $2" > /dev/null

update_pdd.sh

#!/bin/sh
# Update NS at pdd.yandex.ru

token="11111111111111111111111111111111111111111111111111111111"
domain="domain.tld"
subdomain="subdomain"
record_id="11111111"

curl -k "https://pddimp.yandex.ru/nsapi/edit_a_record.xml?token=${token}&domain=${domain}&subdomain=${subdomain}&record_id=${record_id}&content=$1" > /dev/null
/opt/home/tg_send.sh "Updated pdd.yandex:" $1

white_ip.sh

#!/bin/sh
# Reconnect WAN until white IP received(hello Rostelecom)

interface_port=ppp0
interface_name=PPPoE0
interface_thru=ISP-Vlan
counter=/opt/tmp/wan_reconnect_counter.txt
max_tries=20

[ ! "$interface" == "${interface_port}" ] && exit 0

/opt/home/tg_send.sh "WAN is up: " $address

_ip=$(echo $address | grep -v -E "(^100\.6[4-9]\.|^100\.[7-9][0-9]\.|^100\.1[0-1][0-9]\.|^100\.12[0-7]\.)")

if [ -z ${_ip} ]; then
   [ -f "$counter" ] || echo '0' > $counter
   try_nr="$(cat $counter)"
   try_nr=$((try_nr+1))

   if [ $try_nr -gt $max_tries ]; then
       echo '0' > $counter
       /opt/home/tg_send.sh 'Giving up to get real IP.'
       exit
   fi

   /opt/home/tg_send.sh "Force reconnect to get real IP:" "$try_nr/$max_tries"
   echo "$try_nr" > $counter
   /opt/home/fn_led.sh on
   ndmq -p "no interface ${interface_name} connect via ${interface_thru}"
   sleep 5  
   ndmq -p "interface ${interface_name} connect via ${interface_thru}"
   /opt/home/fn_led.sh off
else
   echo '0' > $counter
   /opt/home/update_pdd.sh $address
fi

update a_record. How it works? Thanks

It's pdd.yandex.ru. Domain must be delegated to them

Thx. 🖖🏽
Looks good 👍🏾