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December 10, 2016 14:39
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#!/bin/sh | |
# kFreeBSD do not accept scripts as interpreters, using #!/bin/sh and sourcing. | |
if [ true != "$INIT_D_SCRIPT_SOURCED" ] ; then | |
set "$0" "$@"; INIT_D_SCRIPT_SOURCED=true . /lib/init/init-d-script | |
fi | |
### BEGIN INIT INFO | |
# Provides: autossh | |
# Required-Start: $remote_fs $syslog | |
# Required-Stop: $remote_fs $syslog | |
# Default-Start: 2 3 4 5 | |
# Default-Stop: 0 1 6 | |
# Short-Description: Example initscript | |
# Description: Runs autossh for reverse ssh | |
### END INIT INFO | |
# Author: Joern Schellhaas <js@lmprod.de> | |
# Original source: https://gist.github.com/suma/8134207 | |
# | |
# Please remove the "Author" lines above and replace them | |
# with your own name if you copy and modify this script. | |
# Load the VERBOSE setting and other rcS variables | |
. /lib/init/vars.sh | |
# Define LSB log_* functions. | |
# Depend on lsb-base (>= 3.2-14) to ensure that this file is present | |
# and status_of_proc is working. | |
. /lib/lsb/init-functions | |
# Check that networking is up. | |
#[ ${NETWORKING} = "no" ] && exit 0 | |
PATH=/sbin:/usr/sbin:/bin:/usr/bin | |
NAME=autossh | |
DAEMON=/usr/bin/$NAME | |
TUNNEL_HOST="myserver.tld" | |
TUNNEL_PORT=2201 | |
# The order of arguments really seems to matter here! | |
DAEMON_ARGS=" -M 0 -f -CnNT -o ExitOnForwardFailure=yes -i /root/.ssh/id_rsa -R *:$TUNNEL_PORT:localhost:22 sshbridge@$TUNNEL_HOST" | |
DESC="autossh for reverse ssh" | |
PIDFILE=/var/run/$NAME.pid | |
export AUTOSSH_PIDFILE=$PIDFILE | |
SCRIPTNAME=/etc/init.d/$NAME | |
# | |
# Function that starts the daemon/service | |
# | |
do_start() | |
{ | |
# Return | |
# 0 if daemon has been started | |
# 1 if daemon was already running | |
# 2 if daemon could not be started | |
start-stop-daemon --status --quiet --pidfile $PIDFILE > /dev/null \ | |
&& return 1 | |
start-stop-daemon --start --quiet --exec $DAEMON -- $DAEMON_ARGS \ | |
|| return 2 | |
# Add code here, if necessary, that waits for the process to be ready | |
# to handle requests from services started subsequently which depend | |
# on this one. As a last resort, sleep for some time. | |
} | |
# | |
# Function that stops the daemon/service | |
# | |
do_stop() | |
{ | |
# Return | |
# 0 if daemon has been stopped | |
# 1 if daemon was already stopped | |
# 2 if daemon could not be stopped | |
# other if a failure occurred | |
start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $NAME | |
RETVAL="$?" | |
[ "$RETVAL" = 2 ] && return 2 | |
# Wait for children to finish too if this is a daemon that forks | |
# and if the daemon is only ever run from this initscript. | |
# If the above conditions are not satisfied then add some other code | |
# that waits for the process to drop all resources that could be | |
# needed by services started subsequently. A last resort is to | |
# sleep for some time. | |
start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON | |
[ "$?" = 2 ] && return 2 | |
# Many daemons don't delete their pidfiles when they exit. | |
rm -f $PIDFILE | |
return "$RETVAL" | |
} | |
# | |
# Function that sends a SIGHUP to the daemon/service | |
# | |
case "$1" in | |
start) | |
[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME" | |
do_start | |
case "$?" in | |
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; | |
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; | |
esac | |
;; | |
stop) | |
[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME" | |
do_stop | |
case "$?" in | |
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; | |
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; | |
esac | |
;; | |
status) | |
status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $? | |
;; | |
*) | |
echo "Usage: $SCRIPTNAME {start|stop|status|restart}" >&2 | |
exit 3 | |
;; | |
esac | |
: |
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