dnsmasq-china-list-to-agh.sh

#!/bin/bash

# change directory to where the script resides
BASEDIR=$(dirname -- "$0")
cd "$BASEDIR"

rawURL="https://raw.githubusercontent.com/felixonmars/dnsmasq-china-list/master/accelerated-domains.china.conf"

rawfile="rawfile.conf"
upstream="upstream.conf"

dnspod="tls:\/\/dns.pub"
defaults=("tls://9.9.9.9" "tls://dns.google" "tls://1.1.1.1" "tls://public.dns.iij.jp" "tls://jp.tiar.app")

if [ -f "$rawfile" ]
then
    filesize=$(wc -c < "$rawfile")
    filesize=$(($filesize)) # parseInt

    actualsize="$(curl -s -L -I $rawURL | awk 'tolower ($1) ~ /^content-length/ { print $2 }')"
    actualsize=$(echo $actualsize | sed "s/$(printf '\r')\$//") # remove carriage return

    if [ "$filesize" -ne "$actualsize" ]
    then
        echo "curl updated file"
        curl -s $rawURL > $rawfile
    fi
else
    echo "curl updated file"
    curl -s $rawURL > $rawfile
fi

sed 's/server=/[/g' $rawfile > $rawfile.temp
sed "s/114.114.114.114/]$dnspod/g" $rawfile.temp > $upstream
rm $rawfile.temp

for i in ${!defaults[@]};
do
    # echo ${defaults[$i]}
    { echo -e "${defaults[$i]}"; cat $upstream; } > $upstream.temp
    mv $upstream{.temp,}
done

echo "done"

# in AdGuardHome.yaml, configure 'upstream_dns_file' to the path of the 'upstream.conf' that generated by this script

# sudo systemctl restart AdGuardHome.service