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@@ -0,0 +1,55 @@
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+#!/bin/sh
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+
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+DAEMON="sntp"
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+# sntp uses all the IPs resolved for the hostname (i.e. pool.ntp.org has 4).
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+# It will try each until they either all timeout or time has been set. Thus
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+# default to only providing one NTP pool host.
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+SNTP_SERVERS="pool.ntp.org"
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+# Step if time delta is greater then 128ms, otherwise slew
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+SNTP_ARGS="-Ss -M 128"
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+SNTP_KEY_CACHE="/tmp/kod"
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+
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+# shellcheck source=/dev/null
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+[ -r "/etc/default/$DAEMON" ] && . "/etc/default/$DAEMON"
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+
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+start() {
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+ printf 'Starting %s: ' "$DAEMON"
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+ # Create key cache file to prevents warning that file is missing
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+ touch $SNTP_KEY_CACHE
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+ # shellcheck disable=SC2086 # we need the word splitting
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+ /usr/bin/$DAEMON $SNTP_ARGS -K $SNTP_KEY_CACHE $SNTP_SERVERS
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+ # sntp behavior
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+ # - Does not background
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+ # - Does not infinitely block
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+ # - Time-out w/o network = ~2 sec
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+ # - Time-out w/ network = ~5sec * # of servers
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+ status=$?
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+ if [ "$status" -eq 0 ]; then
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+ echo "OK"
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+ else
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+ echo "FAIL"
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+ fi
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+ return "$status"
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+}
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+
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+stop() {
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+ echo "Nothing to do, $DAEMON is not a daemon."
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+}
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+
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+restart() {
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+ stop
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+ sleep 1
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+ start
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+}
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+
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+reload() {
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+ echo "Nothing to do, $DAEMON does not support reload."
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+}
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+
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+case "$1" in
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+ start|stop|restart|reload)
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+ "$1";;
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+ *)
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+ echo "Usage: $0 {start|stop|restart|reload}"
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+ exit 1
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+esac
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