139 lines
3.2 KiB
Bash
139 lines
3.2 KiB
Bash
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#!/usr/bin/env bash
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#
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# You may redistribute this program and/or modify it under the terms of
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# the GNU General Public License as published by the Free Software Foundation,
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# either version 3 of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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###
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# cjdns.sh
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#
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# Copy this script to the desired location, then add the following to the cjdns user's crontab
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# */5 * * * * /path/to/cjdns.sh check >>/dev/null 2>>/dev/null
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#
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# Start cjdns if it isn't already running (and set the above cronjob to restart failed processes):
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# ./cjdns.sh start
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#
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# Stop cjdns if it's currently running (and set the above cronjob not to restart failed processes):
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# ./cjdns.sh stop
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#
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# Check whether cjdns is currently running:
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# ./cjdns.sh status
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#
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# Restart cjdns after upgrades and changes to the config:
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# ./cjdns.sh restart
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##
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if [ -f /etc/default/cjdns ]; then
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. /etc/default/cjdns
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fi
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# path to the cjdns source tree, no trailing slash
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if [ -z "$CJDPATH" ]; then CJDPATH=`dirname $0`; fi
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# full path to the cjdroute binary
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if [ -z "$CJDROUTE" ]; then CJDROUTE="${CJDPATH}/cjdns/cjdroute"; fi
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# full path to the configuration file
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if [ -z "$CONF" ]; then CONF="${CJDPATH}/cjdroute.conf"; fi
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# path to the log file.
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if [ -z "$LOGTO" ]; then LOGTO="/dev/null"; fi
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load_pid()
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{
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PID=$(pgrep -d " " -f "$CJDROUTE")
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}
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load_pid
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stop()
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{
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if [ -z "$PID" ]; then
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echo "cjdns is not running"
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return 1
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else
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kill $PID &> /dev/null
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while [ -n "$(pgrep -d " " -f "$CJDROUTE")" ]; do
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echo "* Waiting for cjdns to shut down..."
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sleep 1;
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done
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if [ $? -gt 0 ]; then return 1; fi
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fi
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}
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start()
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{
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if [ -z "$PID" ]; then
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[ -e "$CONF" ] || $CJDROUTE --genconf > $CONF
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$CJDROUTE < $CONF &>> $LOGTO
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if [ $? -gt 0 ]; then
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echo "Failed to start cjdns"
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return 1
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fi
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else
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echo "cjdns is already running"
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return 1
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fi
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}
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status()
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{
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echo -n "* cjdns is "
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if [ -z "$PID" ]; then
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echo "not running"
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exit 1
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else
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echo "running"
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exit 0
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fi
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}
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update()
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{
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if [ -d ${CJDPATH}/cjdns/.git ]; then
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cd ${CJDPATH}/cjdns
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git pull
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./do || echo "Failed to update!" && exit 1
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echo "* Update complete, restarting cjdns"
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stop
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load_pid
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start
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else
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echo "The cjdns source directory does not exist"
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return 1
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fi
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}
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case "$1" in
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"start" )
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start
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;;
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"restart" )
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stop
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load_pid
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start
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;;
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"stop" )
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stop
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;;
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"status" )
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status
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;;
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"check" )
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ps aux | grep -v 'grep' | grep 'cjdns core' > /dev/null 2>/dev/null || start
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;;
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"update" )
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update
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;;
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*)
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echo "usage: $0 {start|stop|restart|check|update}"
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esac
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