forked from freifunk-franken/firmware
320 lines
13 KiB
Bash
Executable File
320 lines
13 KiB
Bash
Executable File
#!/bin/sh
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# Netmon Nodewatcher (C) 2010-2012 Freifunk Oldenburg
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# License; GPL v3
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test -f /tmp/started || exit
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# Allow only one instance
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lockfile="/var/lock/${0##*/}.lock"
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if ! lock -n "$lockfile"; then
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echo "Only one instance of $0 allowed."
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exit 1
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fi
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trap "lock -u \"$lockfile\"" INT TERM EXIT
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SCRIPT_VERSION="55"
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#Get the configuration from the uci configuration file
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#If it does not exists, then get it from a normal bash file with variables.
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if [ -f /etc/config/nodewatcher ];then
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SCRIPT_ERROR_LEVEL=$(uci get nodewatcher.@script[0].error_level)
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SCRIPT_LOGFILE=$(uci get nodewatcher.@script[0].logfile)
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SCRIPT_DATA_FILE=$(uci get nodewatcher.@script[0].data_file)
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MESH_INTERFACE=$(uci get nodewatcher.@network[0].mesh_interface)
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IFACEBLACKLIST=$(uci get nodewatcher.@network[0].iface_blacklist)
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IPWHITELIST=$(uci get nodewatcher.@network[0].ip_whitelist)
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SCRIPT_STATUS_FILE=$(uci get nodewatcher.@script[0].status_text_file)
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else
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. "$(dirname "$0")/nodewatcher_config"
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fi
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if [ "$SCRIPT_ERROR_LEVEL" -gt "1" ]; then
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err() {
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echo "$1" >> "$SCRIPT_LOGFILE"
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}
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else
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err() {
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:
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}
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fi
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#This method checks if the log file has become too big and deletes the first X lines
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delete_log() {
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if [ -f "$SCRIPT_LOGFILE" ]; then
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if [ "$(find "$SCRIPT_LOGFILE" -printf "%s")" -gt "6000" ]; then
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sed -i '1,60d' "$SCRIPT_LOGFILE"
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err "$(date): Logfile has been made smaller"
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fi
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fi
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}
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inArray() {
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local value
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for value in $1; do
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if [ "$value" = "$2" ]; then
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return 0
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fi
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done
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return 1
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}
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#This method generates the crawl data XML file that is being fetched by netmon
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#and provided by a small local httpd
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crawl() {
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#Get system data from other locations
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err "$(date): Collecting basic system status data"
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hostname="$(cat /proc/sys/kernel/hostname)"
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mac=$(awk '{ mac=toupper($1); gsub(":", "", mac); print mac }' /sys/class/net/br-mesh/address 2>/dev/null)
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[ "$hostname" = "OpenWrt" ] && hostname="$mac"
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[ "$hostname" = "FFF" ] && hostname="$mac"
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description="$(uci -q get fff.system.description)"
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if [ -n "$description" ]; then
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description="<description><![CDATA[$description]]></description>"
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fi
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latitude="$(uci -q get fff.system.latitude)"
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longitude="$(uci -q get fff.system.longitude)"
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if [ -n "$longitude" -a -n "$latitude" ]; then
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geo="<geo><lat>$latitude</lat><lng>$longitude</lng></geo>";
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fi
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position_comment="$(uci -q get fff.system.position_comment)"
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if [ -n "$position_comment" ]; then
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position_comment="<position_comment><![CDATA[$position_comment]]></position_comment>"
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fi
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contact="$(uci -q get fff.system.contact)"
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if [ -n "$contact" ]; then
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contact="<contact>$contact</contact>"
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fi
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uptime=$(awk '{ printf "<uptime>"$1"</uptime><idletime>"$2"</idletime>" }' /proc/uptime)
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memory=$(awk '
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/^MemTotal/ { printf "<memory_total>"$2"</memory_total>" }
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/^Cached:/ { printf "<memory_caching>"$2"</memory_caching>" }
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/^Buffers/ { printf "<memory_buffering>"$2"</memory_buffering>" }
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/^MemFree/ { printf "<memory_free>"$2"</memory_free>" }
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' /proc/meminfo)
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cpu=$(awk -F': ' '
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/model/ { printf "<cpu>"$2"</cpu>" }
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/system type/ { printf "<chipset>"$2"</chipset>" }
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/platform/ { printf "<chipset>"$2"</chipset>" }
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' /proc/cpuinfo)
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model="<model>$(cat /var/sysinfo/model)</model>"
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local_time="$(date +%s)"
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load=$(awk '{ printf "<loadavg>"$3"</loadavg><processes>"$4"</processes>" }' /proc/loadavg)
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err "$(date): Collecting version information"
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batman_adv_version=$(cat /sys/module/batman_adv/version)
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kernel_version=$(uname -r)
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if [ -x /usr/bin/fastd ]; then
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fastd_version="<fastd_version>$(/usr/bin/fastd -v | awk '{ print $2 }')</fastd_version>"
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fi
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nodewatcher_version=$SCRIPT_VERSION
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if [ -x /usr/sbin/babeld ]; then
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babel_version="<babel_version>$(/usr/sbin/babeld -V 2>&1)</babel_version>"
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fi
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if [ -f "$SCRIPT_STATUS_FILE" ]; then
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status_text="<status_text>$(cat "$SCRIPT_STATUS_FILE")</status_text>"
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fi
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# Checks if fastd is running
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if pidof fastd >/dev/null ; then
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vpn_active="<vpn_active>1</vpn_active>"
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else
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vpn_active="<vpn_active>0</vpn_active>"
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fi
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# example for /etc/openwrt_release:
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#DISTRIB_ID="OpenWrt"
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#DISTRIB_RELEASE="Attitude Adjustment"
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#DISTRIB_REVISION="r35298"
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#DISTRIB_CODENAME="attitude_adjustment"
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#DISTRIB_TARGET="atheros/generic"
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#DISTRIB_DESCRIPTION="OpenWrt Attitude Adjustment 12.09-rc1"
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. /etc/openwrt_release
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distname=$DISTRIB_ID
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distversion=$DISTRIB_RELEASE
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# example for /etc/firmware_release:
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#FIRMWARE_VERSION="95f36685e7b6cbf423f02cf5c7f1e785fd4ccdae-dirty"
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#BUILD_DATE="build date: Di 29. Jan 19:33:34 CET 2013"
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#OPENWRT_CORE_REVISION="35298"
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#OPENWRT_FEEDS_PACKAGES_REVISION="35298"
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. /etc/firmware_release
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SYSTEM_DATA="<status>online</status>"
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SYSTEM_DATA=$SYSTEM_DATA"$status_text"
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SYSTEM_DATA=$SYSTEM_DATA"<hostname>$hostname</hostname>"
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SYSTEM_DATA=$SYSTEM_DATA"${description}"
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SYSTEM_DATA=$SYSTEM_DATA"${geo}"
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SYSTEM_DATA=$SYSTEM_DATA"${position_comment}"
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SYSTEM_DATA=$SYSTEM_DATA"${contact}"
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SYSTEM_DATA=$SYSTEM_DATA"<hood>$(uci -q get "system.@system[0].hood")</hood>"
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SYSTEM_DATA=$SYSTEM_DATA"<hoodid>$(uci -q get "system.@system[0].hoodid")</hoodid>"
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SYSTEM_DATA=$SYSTEM_DATA"<distname>$distname</distname>"
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SYSTEM_DATA=$SYSTEM_DATA"<distversion>$distversion</distversion>"
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SYSTEM_DATA=$SYSTEM_DATA"$cpu"
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SYSTEM_DATA=$SYSTEM_DATA"$model"
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SYSTEM_DATA=$SYSTEM_DATA"$memory"
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SYSTEM_DATA=$SYSTEM_DATA"$load"
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SYSTEM_DATA=$SYSTEM_DATA"$uptime"
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SYSTEM_DATA=$SYSTEM_DATA"<local_time>$local_time</local_time>"
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SYSTEM_DATA=$SYSTEM_DATA"<batman_advanced_version>$batman_adv_version</batman_advanced_version>"
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SYSTEM_DATA=$SYSTEM_DATA"<kernel_version>$kernel_version</kernel_version>"
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SYSTEM_DATA=$SYSTEM_DATA"$fastd_version"
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SYSTEM_DATA=$SYSTEM_DATA"<nodewatcher_version>$nodewatcher_version</nodewatcher_version>"
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SYSTEM_DATA=$SYSTEM_DATA"$babel_version"
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SYSTEM_DATA=$SYSTEM_DATA"<firmware_version>$FIRMWARE_VERSION</firmware_version>"
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SYSTEM_DATA=$SYSTEM_DATA"<firmware_revision>$BUILD_DATE</firmware_revision>"
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SYSTEM_DATA=$SYSTEM_DATA"<openwrt_core_revision>$OPENWRT_CORE_REVISION</openwrt_core_revision>"
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SYSTEM_DATA=$SYSTEM_DATA"<openwrt_feeds_packages_revision>$OPENWRT_FEEDS_PACKAGES_REVISION</openwrt_feeds_packages_revision>"
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SYSTEM_DATA=$SYSTEM_DATA"$vpn_active"
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err "$(date): Collecting information from network interfaces"
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#Get interfaces
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interface_data=""
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#Loop interfaces
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#for entry in $IFACES; do
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for filename in $(grep 'up\|unknown' /sys/class/net/*/operstate); do
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ifpath=${filename%/operstate*}
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iface=${ifpath#/sys/class/net/}
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if inArray "$IFACEBLACKLIST" "$iface"; then
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continue
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fi
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#Get interface data for whitelisted interfaces
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# shellcheck disable=SC2016
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awkscript='
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/ether/ { printf "<mac_addr>"$2"</mac_addr>" }
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/mtu/ { printf "<mtu>"$5"</mtu>" }'
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if inArray "$IPWHITELIST" "$iface"; then
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# shellcheck disable=SC2016
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awkscript=$awkscript'
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/inet / { split($2, a, "/"); printf "<ipv4_addr>"a[1]"</ipv4_addr>" }
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/inet6/ && /scope global/ { printf "<ipv6_addr>"$2"</ipv6_addr>" }
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/inet6/ && /scope link/ { printf "<ipv6_link_local_addr>"$2"</ipv6_link_local_addr>"}'
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fi
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addrs=$(ip addr show dev "${iface}" | awk "$awkscript")
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traffic_rx=$(cat "$ifpath/statistics/rx_bytes")
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traffic_tx=$(cat "$ifpath/statistics/tx_bytes")
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interface_data=$interface_data"<$iface><name>$iface</name>$addrs<traffic_rx>$traffic_rx</traffic_rx><traffic_tx>$traffic_tx</traffic_tx>"
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interface_data=$interface_data$(iwconfig "${iface}" 2>/dev/null | awk -F':' '
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/Mode/{ split($2, m, " "); printf "<wlan_mode>"m[1]"</wlan_mode>" }
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/Cell/{ split($0, c, " "); printf "<wlan_bssid>"c[5]"</wlan_bssid>" }
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/ESSID/ { split($0, e, "\""); printf "<wlan_essid>"e[2]"</wlan_essid>" }
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/Freq/{ split($3, f, " "); printf "<wlan_frequency>"f[1]f[2]"</wlan_frequency>" }
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/Tx-Power/{ split($0, p, "="); sub(/[[:space:]]*$/, "", p[2]); printf "<wlan_tx_power>"p[2]"</wlan_tx_power>" }
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')
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interface_data=$interface_data$(iw dev "${iface}" info 2>/dev/null | awk '
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/ssid/{ split($0, s, " "); printf "<wlan_ssid>"s[2]"</wlan_ssid>" }
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/type/ { split($0, t, " "); printf "<wlan_type>"t[2]"</wlan_type>" }
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/channel/{ split($0, c, " "); printf "<wlan_channel>"c[2]"</wlan_channel>" }
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/width/{ split($0, w, ": "); sub(/ .*/, "", w[2]); printf "<wlan_width>"w[2]"</wlan_width>" }
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')
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interface_data=$interface_data"</$iface>"
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done
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err "$(date): Collecting information from batman advanced and its interfaces"
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#B.A.T.M.A.N. advanced
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if [ -f /sys/module/batman_adv/version ]; then
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for iface in $(batctl if | sed 's/ //'); do
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status=${iface##*:}
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iface=${iface%%:*}
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BATMAN_ADV_INTERFACES=$BATMAN_ADV_INTERFACES"<$iface><name>$iface</name><status>$status</status></$iface>"
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done
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# Build a list of direct neighbors
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batman_adv_originators=$(/usr/sbin/batctl o -H | awk \
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'BEGIN { FS=" "; i=0 } # set the delimiter to " "
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{ sub("\\(", "", $0) # remove parentheses
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sub("\\)", "", $0)
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sub("\\[", "", $0)
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sub("\\]", "", $0)
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sub("\\*", "", $0)
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sub(" ", " ", $0)
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o=$1".*"$1 # build a regex to find lines that contains the $1 (=originator) twice
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if ($0 ~ o) # filter for this regex (will remove entries without direct neighbor)
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{
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printf "<originator_"i"><originator>"$1"</originator><link_quality>"$3"</link_quality><nexthop>"$4"</nexthop><last_seen>"$2"</last_seen><outgoing_interface>"$5"</outgoing_interface></originator_"i">"
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i++
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}
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}')
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batman_adv_gateway_mode=$(/usr/sbin/batctl gw)
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batman_adv_gateway_list=$(/usr/sbin/batctl gwl -H | awk \
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'BEGIN { FS=" "; i=0 }
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/No gateways/ { next }
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{ sub("\\(", "", $0)
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sub("\\)", "", $0)
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sub("\\[ *", "", $0)
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sub("\\]:", "", $0)
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sub("\\* ", "true ", $0)
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sub(" ", "false ", $0)
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printf "<gateway_"i"><selected>"$1"</selected><gateway>"$2"</gateway><link_quality>"$3"</link_quality><nexthop>"$4"</nexthop><outgoing_interface>"$5"</outgoing_interface><gw_class>"$6" "$7" "$8"</gw_class></gateway_"i">"
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i++
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}')
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fi
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err "$(date): Collecting information about conected clients"
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#CLIENTS
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client_count=0
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dataclient=""
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CLIENT_INTERFACES=$(ls "/sys/class/net/$MESH_INTERFACE/brif" | grep -v '^bat')
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for clientif in ${CLIENT_INTERFACES}; do
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local cc=$(bridge fdb show br "$MESH_INTERFACE" brport "$clientif" | grep -v self | grep -v permanent -c)
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client_count=$((client_count + cc))
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dataclient="$dataclient<$clientif>$cc</$clientif>"
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done
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dataair=""
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w2dump="$(iw dev w2ap survey dump 2> /dev/null | sed '/Survey/,/\[in use\]/d')"
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if [ -n "$w2dump" ] ; then
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w2_ACT="$(ACTIVE=$(echo "$w2dump" | grep "active time:"); set ${ACTIVE:-0 0 0 0 0}; echo -e "${4}")"
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w2_BUS="$(BUSY=$(echo "$w2dump" | grep "busy time:"); set ${BUSY:-0 0 0 0 0}; echo -e "${4}")"
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dataair="$dataair<airtime2><active>$w2_ACT</active><busy>$w2_BUS</busy></airtime2>"
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fi
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w5dump="$(iw dev w5ap survey dump 2> /dev/null | sed '/Survey/,/\[in use\]/d')"
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if [ -n "$w5dump" ] ; then
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w5_ACT="$(ACTIVE=$(echo "$w5dump" | grep "active time:"); set ${ACTIVE:-0 0 0 0 0}; echo -e "${4}")"
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w5_BUS="$(BUSY=$(echo "$w5dump" | grep "busy time:"); set ${BUSY:-0 0 0 0 0}; echo -e "${4}")"
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dataair="$dataair<airtime5><active>$w5_ACT</active><busy>$w5_BUS</busy></airtime5>"
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fi
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err "$(date): Putting all information into a XML-File and save it at $SCRIPT_DATA_FILE"
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DATA="<?xml version='1.0' standalone='yes'?><data>"
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DATA=$DATA"<system_data>$SYSTEM_DATA</system_data>"
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DATA=$DATA"<interface_data>$interface_data</interface_data>"
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DATA=$DATA"<batman_adv_interfaces>$BATMAN_ADV_INTERFACES</batman_adv_interfaces>"
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DATA=$DATA"<batman_adv_originators>$batman_adv_originators</batman_adv_originators>"
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DATA=$DATA"<batman_adv_gateway_mode>$batman_adv_gateway_mode</batman_adv_gateway_mode>"
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DATA=$DATA"<batman_adv_gateway_list>$batman_adv_gateway_list</batman_adv_gateway_list>"
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DATA=$DATA"<client_count>$client_count</client_count>"
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DATA=$DATA"<clients>$dataclient</clients>"
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DATA=$DATA"$dataair"
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DATA=$DATA"</data>"
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#write data to xml file that provides the data on httpd
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SCRIPT_DATA_DIR=$(dirname "$SCRIPT_DATA_FILE")
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test -d "$SCRIPT_DATA_DIR" || mkdir -p "$SCRIPT_DATA_DIR"
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echo "$DATA" | gzip | tee "$SCRIPT_DATA_FILE" | alfred -s 64
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}
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LANG=C
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#Prüft ob das logfile zu groß geworden ist
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err "$(date): Check logfile"
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delete_log
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#Erzeugt die statusdaten
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err "$(date): Generate actual status data"
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crawl
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exit 0
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