106 lines
3.0 KiB
Bash
Executable File
106 lines
3.0 KiB
Bash
Executable File
#!/bin/sh
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#
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# Gateway data script for FFF Monitoring
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# Copyright Adrian Schmutzler, 2018.
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# License GPLv3
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#
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# designed for GATEWAY SERVER
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#
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# v1.4.6 - 2018-10-17
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# - Fix IPv4/IPv6 sed (leading space in match pattern)
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#
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# v1.4.5 - 2018-08-29
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# - Fix one bug regarding DHCP range processing
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#
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# v1.4.4 - 2018-08-29
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# - Fix two bugs regarding DHCP range processing
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#
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# v1.4.3 - 2018-08-28
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# - Added version to json
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#
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# v1.4.2 - 2018-08-28
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# - Fixed IPv4 sed to ignore subnet mask
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# - Check for multiple IPv6 addresses
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# - Provide experimental support for isc-dhpc-server
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#
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# v1.4.1 - 2018-08-25
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# - Fixed greps for IPv4/IPv6/dnsmasq
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#
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# v1.4 - 2018-08-23
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# - Transmit internal IPv4/IPv6
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# - Transmit DHCP range for dnsmasq
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#
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# v1.3 - 2018-08-23
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# - Support multiple Monitoring URLs
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# - Use https by default
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# - Changed batctl default path
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#
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# v1.2.1 - 2018-01-12
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# - Added "grep fff" to support L2TP
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#
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# v1.2 - 2018-01-12
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# - Added batctl command and vpnif
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#
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# v1.1 - 2018-01-12
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# - Initial Version
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#
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# Config
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api_urls="https://monitoring.freifunk-franken.de/api/gwinfo" # space-separated list of addresses (api_urls="url1 url2")
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batctlpath=/usr/sbin/batctl # Adjust to YOUR path!
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hostname="MyHost"
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admin1="Admin"
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admin2=
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admin3=
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statslink="" # Provide link to stats page (MRTG or similar)
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dhcp=1 # 0=disabled, 1=dnsmasq, 2=isc-dhcp-server
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# Code
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tmp=$(/bin/mktemp)
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echo "{\"version\":\"1.4.6\",\"hostname\":\"$hostname\",\"stats_page\":\"$statslink\",\"netifs\":[" > $tmp
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comma=""
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for netif in $(ls /sys/class/net); do
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if [ "$netif" = "lo" ] ; then
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continue
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fi
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mac="$(cat "/sys/class/net/$netif/address")"
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batctl="$("$batctlpath" -m "$netif" if | grep "fff" | sed -n 's/:.*//p')"
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ipv4="$(ip -4 addr show dev "$netif" | grep " 10\." | sed 's/.* \(10\.[^ ]*\/[^ ]*\) .*/\1/')"
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ipv6="$(ip -6 addr show dev "$netif" | grep " fd43" | sed 's/.* \(fd43[^ ]*\) .*/\1/')"
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[ "$(echo "$ipv6" | wc -l)" = "1" ] || ipv6=""
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dhcpstart=""
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dhcpend=""
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if [ "$dhcp" = "1" ]; then
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dhcpdata="$(ps ax | grep "dnsmasq" | grep "$netif " | sed 's/.*dhcp-range=\([^ ]*\) .*/\1/')"
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dhcpstart="$(echo "$dhcpdata" | cut -d',' -f1)"
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dhcpend="$(echo "$dhcpdata" | cut -d',' -f2)"
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elif [ "$dhcp" = "2" ]; then
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ipv4cut="${ipv4%/*}"
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if [ -n "$ipv4cut" ] && grep -q "routers $ipv4cut" /etc/dhcp/dhcpd.conf; then
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dhcpdata="$(sed -z 's/.*range \([^;]*\);[^}]*option routers '$ipv4cut'.*/\1/' /etc/dhcp/dhcpd.conf)"
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dhcpstart="$(echo "$dhcpdata" | cut -d' ' -f1)"
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dhcpend="$(echo "$dhcpdata" | cut -d' ' -f2)"
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fi
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fi
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echo "$comma{\"mac\":\"$mac\",\"netif\":\"$netif\",\"vpnif\":\"$batctl\",\"ipv4\":\"$ipv4\",\"ipv6\":\"$ipv6\",\"dhcpstart\":\"$dhcpstart\",\"dhcpend\":\"$dhcpend\"}" >> $tmp
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comma=","
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done
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echo "],\"admins\":[" >> $tmp
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comma=""
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[ -n "$admin1" ] && echo "\"$admin1\"" >> $tmp && comma=","
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[ -n "$admin2" ] && echo "$comma\"$admin2\"" >> $tmp && comma=","
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[ -n "$admin3" ] && echo "$comma\"$admin3\"" >> $tmp
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echo "]}" >> $tmp
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for api_url in $api_urls; do
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/usr/bin/curl -k -v -H "Content-type: application/json; charset=UTF-8" -X POST --data-binary @$tmp $api_url
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done
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/bin/rm "$tmp"
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