DDNSUnderClashTUN.sh

#!/bin/zsh

export API_DOMAIN
export API_URL
export PARAMS

/opt/homebrew/bin/curl \
    --interface $(
        if ifconfig en0 2>/dev/null | grep -q 'status: active'; then
            echo 'en0'
        elif ifconfig en15 2>/dev/null | grep -q 'status: active'; then
            echo 'en15'
        else
            echo 'en0'
        fi
    ) \
    --resolve $API_DOMAIN:443:$(/opt/homebrew/bin/dig +https @223.5.5.5 $API_DOMAIN +short | tail -n1) \
    -fSsL -4 --connect-timeout 10 --retry-delay 1 --retry 30 \
    -X POST $API_URL --data-raw $PARAMS