105 lines
2.6 KiB
Bash
Executable file
105 lines
2.6 KiB
Bash
Executable file
#!/bin/bash
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# Version: 0.2.9
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# Copyright (c) 2005-2017:
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# Darren 'Tadgy' Austin <darren (at) afterdark.org.uk>
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# Licensed under the terms of the GNU General Public License version 3.
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EXEC="/usr/sbin/in.tftpd"
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ARGS=(--listen --address=FIXME --user tftp --secure /data/tftpboot)
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PIDFILE=""
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checkconfigured() {
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# This function can be used to perform any pre-start tests; hopfully to insure the daemon
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# can start correctly, before actually trying to start it. A return value of 0 means the
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# tests were passed and the daemon should be started. Any other value prevents the
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# daemon from being started and an error message will be emitted.
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return 0
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}
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checkstatus() {
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local RUNPIDS="$(pgrep -f "$EXEC")"
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if [ ! -z "$RUNPIDS" ]; then
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echo -n "${BASH_SOURCE##*/}: ${EXEC##*/}: running"
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if [ ! -z "$PIDFILE" ]; then
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if [ ! -e "$PIDFILE" ]; then
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echo -n ", but .pid file does not exist"
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elif ! echo "$RUNPIDS" | grep "\<$(cat "$PIDFILE")\>" >/dev/null 2>&1; then
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echo -n ", but .pid file is stale"
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fi
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fi
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echo
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else
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echo "${BASH_SOURCE##*/}: ${EXEC##*/}: stopped"
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return 1
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fi
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return 0
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}
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startdaemon() {
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if ! checkconfigured; then
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echo "${BASH_SOURCE##*/}: ${EXEC##*/}: not started - pre-start checks failed" >&2
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return 1
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elif [ ! -e "$EXEC" ]; then
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echo "${BASH_SOURCE##*/}: ${EXEC##*/}: not found" >&2
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return 1
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elif [ ! -x "$EXEC" ]; then
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echo "${BASH_SOURCE##*/}: ${EXEC##*/}: not executable" >&2
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return 1
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fi
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"$EXEC" "${ARGS[@]}"
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return $?
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}
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stopdaemon() {
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if ! kill -TERM "$(cat "$PIDFILE" 2>/dev/null)" >/dev/null 2>&1; then
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kill -TERM "$(pgrep -f "$EXEC")" >/dev/null 2>&1
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fi
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sleep 2
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if checkstatus >/dev/null; then
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echo "${BASH_SOURCE##*/}: ${EXEC##*/}: failed to stop gracefully - slaying" >&2
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kill -KILL "$(pgrep -f "$EXEC")" >/dev/null 2>&1
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fi
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return 0
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}
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case "$1" in
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'start')
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if checkstatus >/dev/null; then
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echo "${BASH_SOURCE##*/}: ${EXEC##*/}: already running" >&2
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echo " Try: $BASH_SOURCE status" >&2
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ERR=1
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else
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startdaemon
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ERR=$?
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fi
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;;
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'stop')
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if ! checkstatus >/dev/null; then
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echo "${BASH_SOURCE##*/}: ${EXEC##*/}: not running" >&2
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echo " Try: $BASH_SOURCE status" >&2
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ERR=1
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else
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stopdaemon
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ERR=$?
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fi
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;;
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'restart')
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if checkstatus >/dev/null; then
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stopdaemon && sleep 2 && startdaemon
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ERR=$?
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else
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startdaemon
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ERR=$?
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fi
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;;
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'status')
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checkstatus
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ERR=$?
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;;
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*)
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echo "Usage: $BASH_SOURCE <start|stop|restart|status>" >&2
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ERR=1
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;;
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esac
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return $ERR 2>/dev/null || exit $ERR
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