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#!/bin/sh
INTERFACE=$1
STATUS=$2
# $INIT should be either "init" (System V) or "systemd".
INIT=`cat /proc/1/comm`
no_valid_init() {
echo 'No valid init system set. Please select either "init" or "systemd".'
exit 1
}
pdnsd_is_running() {
# Check whether pDNSd is running.
case "$INIT" in
'systemd')
systemctl is-active pdnsd.service -q
return $?
;;
'init')
[ 'STARTED' = `rc.d list|grep pdnsd|cut -f1 -d']'|cut -d'[' -f2` ]
return $?
;;
*)
no_valid_init
;;
esac
}
pdnsd_init_command() {
# Give pDNSd a command through the init system
case "$INIT" in
'systemd')
exec systemctl $1 pdnsd.service
;;
'init')
exec rc.d $1 pdnsd
;;
*)
no_valid_init
;;
esac
}
pdnsd_going_up() {
if ! pdnsd_is_running; then
# pDNSd isn't running. Start it.
pdnsd_init_command start
else
# pDNSd is running. Restart it.
pdnsd_init_command restart
fi
}
pdnsd_going_down() {
# Check for active interface, take offline if none is active
if [ 'connected' != `nm-tool|grep State|cut -f2 -d' '` ]; then
pdnsd_init_command stop
else
# If another interface is active, restart so we're sure we're using
# the active connection.
pdnsd_init_command restart
fi
}
case "$STATUS" in
up)
pdnsd_going_up
;;
vpn-up)
pdnsd_going_up
;;
down)
pdnsd_going_down
;;
vpn-down)
pdnsd_going_down
;;
esac
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