24 lines
707 B
Plaintext
24 lines
707 B
Plaintext
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#!/bin/sh
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INTERFACE="$1" # The interface which is brought up or down
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STATUS="$2" # The new state of the interface
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case "$STATUS" in
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'up') # $INTERFACE is up
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# Check to see if the interface added a default route
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/sbin/ip route list dev "$INTERFACE" 2>/dev/null | grep -q '^default' || exit 0
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/usr/libexec/chrony-helper is-running
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if [ $? -ne 0 ]; then
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systemctl --no-block start chronyd
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else
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/usr/libexec/chrony-helper command online >/dev/null 2>&1
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fi
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;;
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'down') # $INTERFACE is down
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/sbin/ip route list 2>/dev/null | grep -q '^default' && exit 0
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/usr/libexec/chrony-helper command offline > /dev/null 2>&1
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;;
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esac
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