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128 lines
3.5 KiB
Bash
Executable File
128 lines
3.5 KiB
Bash
Executable File
#!/bin/bash
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#
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# Plugin made by Dju
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# useful to know your freebox uptime, and to see when it has rebooted ;)
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#
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# Uses nmap to get the uptime (by tcp connection, RFC1323)
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# ports usually opened on the freebox: 80 554 9100
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#
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# ----------------------------------------------------------------------------------------------------
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# nmap example with the -O option
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# on a freebox v5
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#
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# Starting Nmap 4.62 ( http://nmap.org ) at 2010-12-17 02:25 CET
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# Interesting ports on mafreebox.freebox.fr (212.27.38.253):
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# Not shown: 1712 filtered ports
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# PORT STATE SERVICE
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# 80/tcp open http
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# 554/tcp open rtsp
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# 9100/tcp open jetdirect
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# Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port
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# Device type: remote management
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# Running: HP embedded
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# OS details: HP Onboard Administrator management console
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# Uptime: 7.226 days (since Thu Dec 9 21:01:44 2010)
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#
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# OS detection performed. Please report any incorrect results at http://nmap.org/submit/ .
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# Nmap done: 1 IP address (1 host up) scanned in 29.279 seconds
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# ----------------------------------------------------------------------------------------------------
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#
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# by using nmap on a specific tcp port, the detection is pretty fast (2-5 seconds)
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# with this command: nmap -O --osscan-guess -p80 remote_host
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#
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# if you dont want nmap to query your freebox each time, set CACHE_HOURS=n
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# to keep the uptime in cache for n hours
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# if not, set CACHE_HOURS=0
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#
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# to allow this plugin to use nmap, edit /etc/munin/plugin-conf.d/munin-node and add
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# [FreeboxUptime]
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# user root
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#
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# exit value if error:
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# 1: nmap not installed
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# 2: freebox not reachable by ping
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# 3: uptime not found in nmap result
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#
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# Magic markers - optional - used by installation scripts and
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# munin-config:
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#
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#%# family=manual
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#%# capabilities=autoconf
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CACHE_FILE=$MUNIN_PLUGSTATE/FreeboxUptime.cache
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CACHE_HOURS=3
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NMAP=$(which nmap)
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TCP_PORT=9100
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FREEBOX_HOST=mafreebox.freebox.fr
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# check if network connection is ok
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if ping -c1 -w1 -s20 $FREEBOX_HOST 2>/dev/null > /dev/null; then
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PING=1
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else
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PING=0
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fi
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if [ "$1" = "autoconf" ]; then
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if [ -z "$NMAP" ]; then
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echo "no (nmap not installed)"
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else
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if [ $PING -eq 0 ]; then
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echo "no (Freebox not reachable)"
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else
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echo yes
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fi
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fi
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exit 0
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fi
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if [ "$1" = "config" ]; then
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echo 'graph_title Freebox Uptime'
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echo 'graph_category system'
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echo 'graph_args --base 1000 -l 0 '
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echo 'graph_vlabel uptime in days'
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graph_info="Shows the uptime of your freebox (cache: ${CACHE_HOURS}h"
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if [ -f $CACHE_FILE ]; then
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lastCheck=$(stat -c %z $CACHE_FILE | cut -d"." -f1)
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lastReboot=$(awk -F"@" '{print $2}' $CACHE_FILE)
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graph_info="${graph_info} - last check: ${lastCheck} - last reboot: $lastReboot"
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else
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graph_info="${graph_info})"
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fi
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echo "graph_info ${graph_info}"
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echo 'uptime.label uptime'
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echo 'uptime.draw AREA'
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exit 0
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fi
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if [ -z "$NMAP" ]; then
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exit 1
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elif [ $PING -eq 0 ]; then
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exit 2
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else
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use_nmap=1
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if [ -f $CACHE_FILE ]; then
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ts_cache=$(stat -c %Y $CACHE_FILE)
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ts_now=$(date "+%s")
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sec_diff=$(expr $ts_now - $ts_cache)
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hours_diff=$(expr $sec_diff / 3600)
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if [ $hours_diff -lt $CACHE_HOURS ]; then
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use_nmap=0
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uptime=$(cat $CACHE_FILE | awk -F"@" '{print $1}')
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fi
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fi
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if [ $use_nmap -eq 1 ]; then
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uptime=$(nmap -O --osscan-guess -p${TCP_PORT} ${FREEBOX_HOST} | grep Uptime)
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if [ -z "$uptime" ]; then
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exit 3
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else
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lastReboot=$(echo $uptime | grep -o '(since .*)' | sed 's/(since //g')
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uptime=$(echo $uptime | awk '{print $2}')
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echo "${uptime}@${lastReboot}" > $CACHE_FILE
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fi
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fi
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echo "uptime.value ${uptime}"
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fi
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