18 lines
502 B
Text
18 lines
502 B
Text
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#!/bin/bash
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[[ -n "$DEBUG" ]] && set -x
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interface="$(ip link show | awk '/ ppp/ {print substr($2, 1, length($2)-1)}')"
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addr="$(ip addr show dev "$interface" | awk '/inet / {print $2}')"
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resolved="$(dig +short "${domain}" A)"
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if [[ -z "$addr" ]] || [[ -z "$resolved" ]]
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then
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echo "Something is wrong:"
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echo "Address on '$interface' is '$addr'"
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echo "Resolved DNS is '$resolved'"
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elif [[ "$addr" != "$resolved" ]]
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then
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/etc/ppp/ip-up.d/dyndns "$interface" "doesnt" "matter" "$addr"
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fi
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