40 lines
1.2 KiB
Bash
40 lines
1.2 KiB
Bash
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#!/bin/vbash
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source /opt/vyatta/etc/functions/script-template
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unalias exit
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SCRIPT_PATH="$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
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echo "SCRIPT_PATH: $SCRIPT_PATH"
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echo "Checking for updates to NAT rules."
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PUBLIC_IP="$(curl -s ipinfo.io/ip)"
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echo "" > /tmp/commands
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while IFS= read -r rule; do
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echo -n "Checking rule: $rule: "
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if [[ "$(echo $rule | cut -d' ' -f8 | xargs)" != "$(echo $PUBLIC_IP)" ]]; then
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echo "mismatched. Updating."
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echo " $(echo $rule | cut -d' ' -f8 | xargs) != $(echo $PUBLIC_IP)"
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echo "$(echo "$rule" | cut -d' ' -f-7) $PUBLIC_IP" >> /tmp/commands
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echo " New rule: $(echo "$rule" | cut -d' ' -f-7) $PUBLIC_IP"
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else
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echo "matched. Nothing to do."
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fi
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done <<< "$(run show configuration commands | grep 'set nat destination' | grep 'destination address')"
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if [[ "$(cat /tmp/commands | wc -l)" == "1" ]]; then # if our /tmp/commands file is empty, it will have 1 line.
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echo "Nothing to do. Exiting."
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exit 0
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echo "exiting did not work as expected..."
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fi
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echo "Entering configuration mode and sourcing commands list."
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configure
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source /tmp/commands
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rm /tmp/commands
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source /opt/vyatta/etc/functions/script-template
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commit || exit discard
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save || exit discard
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exit
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