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304 lines
9.8 KiB
304 lines
9.8 KiB
#!/usr/bin/bash
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RC_OK=0
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RC_WARN=1
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RC_CRIT=2
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RC_UNKNOWN=3
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HOSTNAME="fritz.box"
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CHECK="bandwidthdown"
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MY_SCRIPT_NAME=$(basename "$0")
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# Duration we wait for curl response.
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MY_CURL_TIMEOUT="5"
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usage(){
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echo "usage: $MY_SCRIPT_NAME [-f <function>] [-h hostname] [-b rate] [-j] [-d]"
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echo " -f: function to be executed [Default: ${CHECK}]"
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echo " -h: hostname or IP of the FRITZ!Box [Default: ${HOSTNAME}]"
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echo " -b: rate to display. b, k, m. all in bytes"
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echo " -j: JSON output"
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echo " Does not accept any functions."
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echo " Will display all output in JSON format."
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echo " Useful for running in cron and ingesting into another program"
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echo " -d: enable debug output"
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echo
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echo "functions:"
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echo " linkuptime connection time in seconds"
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echo " connection connection status"
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echo " downstream maximum downstream on current connection (Downstream Sync)"
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echo " upstream maximum upstream on current connection (Upstream Sync)"
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echo " bandwidthdown current bandwidth down"
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echo " bandwidthup current bandwidth up"
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echo " totalbwdown total downloads"
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echo " totalbwup total uploads"
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echo
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echo "Example: $MY_SCRIPT_NAME -f downstream -h 192.168.100.1 -b m"
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exit ${RC_UNKNOWN}
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}
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require_number()
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{
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VAR=$1
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MSG=$2
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if [[ ! "${VAR}" =~ ^[0-9]+$ ]] ; then
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echo "ERROR - ${MSG} (${VAR})"
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exit ${RC_UNKNOWN}
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fi
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}
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find_xml_value()
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{
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XML=$1
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VAL=$2
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echo "${XML}" | grep "${VAL}" | sed "s/<${VAL}>\([^<]*\)<\/${VAL}>/\1/"
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}
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check_greater()
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{
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VAL=$1
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WARN=$2
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CRIT=$3
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MSG=$4
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if [ "${VAL}" -gt "${WARN}" ] || [ "${WARN}" -eq 0 ]; then
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echo "OK - ${MSG}"
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exit ${RC_OK}
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elif [ "${VAL}" -gt "${CRIT}" ] || [ "${CRIT}" -eq 0 ]; then
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echo "WARNING - ${MSG}"
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exit ${RC_WARN}
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else
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echo "CRITICAL - ${MSG}"
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exit ${RC_CRIT}
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fi
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}
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print_json(){
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VERB1=GetStatusInfo
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URL1=WANIPConn1
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NS1=WANIPConnection
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VERB2=GetCommonLinkProperties
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URL2=WANCommonIFC1
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NS2=WANCommonInterfaceConfig
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VERB3=GetAddonInfos
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URL3=WANCommonIFC1
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NS3=WANCommonInterfaceConfig
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STATUS1=$(curl --max-time "${MY_CURL_TIMEOUT}" "http://${HOSTNAME}:${PORT}/igdupnp/control/${URL1}" \
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-H "Content-Type: text/xml; charset=\"utf-8\"" \
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-H "SoapAction:urn:schemas-upnp-org:service:${NS1}:1#${VERB1}" \
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-d "<?xml version='1.0' encoding='utf-8'?> <s:Envelope s:encodingStyle='http://schemas.xmlsoap.org/soap/encoding/' xmlns:s='http://schemas.xmlsoap.org/soap/envelope/'> <s:Body> <u:${VERB1} xmlns:u=\"urn:schemas-upnp-org:service:${NS1}:1\" /> </s:Body> </s:Envelope>" \
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-s)
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if [ "$?" -ne "0" ]; then
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printf '{"Connection":"ERROR - Could not retrieve status from FRITZ!Box"}'
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exit ${RC_CRIT}
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fi
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STATUS2=$(curl --max-time "${MY_CURL_TIMEOUT}" "http://${HOSTNAME}:${PORT}/igdupnp/control/${URL2}" \
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-H "Content-Type: text/xml; charset=\"utf-8\"" \
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-H "SoapAction:urn:schemas-upnp-org:service:${NS2}:1#${VERB2}" \
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-d "<?xml version='1.0' encoding='utf-8'?> <s:Envelope s:encodingStyle='http://schemas.xmlsoap.org/soap/encoding/' xmlns:s='http://schemas.xmlsoap.org/soap/envelope/'> <s:Body> <u:${VERB2} xmlns:u=\"urn:schemas-upnp-org:service:${NS2}:1\" /> </s:Body> </s:Envelope>" \
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-s)
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if [ "$?" -ne "0" ]; then
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printf '{"Connection":"ERROR - Could not retrieve status from FRITZ!Box"}'
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exit ${RC_CRIT}
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fi
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STATUS3=$(curl --max-time "${MY_CURL_TIMEOUT}" "http://${HOSTNAME}:${PORT}/igdupnp/control/${URL3}" \
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-H "Content-Type: text/xml; charset=\"utf-8\"" \
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-H "SoapAction:urn:schemas-upnp-org:service:${NS3}:1#${VERB3}" \
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-d "<?xml version='1.0' encoding='utf-8'?> <s:Envelope s:encodingStyle='http://schemas.xmlsoap.org/soap/encoding/' xmlns:s='http://schemas.xmlsoap.org/soap/envelope/'> <s:Body> <u:${VERB3} xmlns:u=\"urn:schemas-upnp-org:service:${NS3}:1\" /> </s:Body> </s:Envelope>" \
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-s)
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if [ "$?" -ne "0" ]; then
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printf '{"Connection":"ERROR - Could not retrieve status from FRITZ!Box"}'
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exit ${RC_CRIT}
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fi
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CONNECTIONSTATUS=$(find_xml_value "${STATUS1}" NewConnectionStatus)
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UPTIME=$(find_xml_value "${STATUS1}" NewUptime)
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DOWNSTREAM=$(find_xml_value "${STATUS2}" NewLayer1DownstreamMaxBitRate)
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UPSTREAM=$(find_xml_value "${STATUS2}" NewLayer1UpstreamMaxBitRate)
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BANDWIDTHDOWNBYTES=$(find_xml_value "${STATUS3}" NewByteReceiveRate)
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BANDWIDTHUPBYTES=$(find_xml_value "${STATUS3}" NewByteSendRate)
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TOTALBWDOWNBYTES=$(find_xml_value "${STATUS3}" NewTotalBytesReceived)
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TOTALBWUPBYTES=$(find_xml_value "${STATUS3}" NewTotalBytesSent)
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if [ "${DEBUG}" -eq 1 ]; then
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echo "DEBUG - Status:"
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echo "$CONNECTIONSTATUS"
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echo "$UPTIME"
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echo "$DOWNSTREAM"
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echo "$UPSTREAM"
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echo "$BANDWIDTHDOWNBYTES"
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echo "$BANDWIDTHUPBYTES"
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echo "$TOTALBWDOWNBYTES"
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echo "$TOTALBWUPBYTES"
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fi
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printf '{"Connection":"%s","Uptime":%d,"UpstreamSync":%d,"DownstreamSync":%d,"UploadBW":%d,"DownloadBW":%d,"TotalUploads":%d,"TotalDownloads":%d}\n' "$CONNECTIONSTATUS" "$UPTIME" "$UPSTREAM" "$DOWNSTREAM" "$BANDWIDTHUPBYTES" "$BANDWIDTHDOWNBYTES" "$TOTALBWUPBYTES" "$TOTALBWDOWNBYTES"
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exit #exit so we dont get unknown service check error
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}
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# Check Commands
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command -v curl >/dev/null 2>&1 || { echo >&2 "ERROR: 'curl' is needed. Please install 'curl'. More details can be found at https://curl.haxx.se/"; exit 1; }
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command -v bc >/dev/null 2>&1 || { echo >&2 "ERROR: 'bc' is needed. Please install 'bc'."; exit 1; }
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PORT=49000
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DEBUG=0
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WARN=0
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CRIT=0
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RATE=1
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PRE=
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while getopts h:jf:db: OPTNAME; do
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case "${OPTNAME}" in
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h)
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HOSTNAME="${OPTARG}"
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;;
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j)
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CHECK=""
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print_json
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;;
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f)
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CHECK="${OPTARG}"
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;;
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d)
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DEBUG=1
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;;
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b)
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case "${OPTARG}" in
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b)
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RATE=1
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PRE=
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;;
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k)
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RATE=1000
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PRE=kilo
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;;
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m)
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RATE=1000000
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PRE=mega
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;;
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*)
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echo "Wrong prefix"
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;;
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esac
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;;
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*)
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echo "$OPTNAME"
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usage
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;;
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esac
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done
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case ${CHECK} in
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linkuptime|connection)
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VERB=GetStatusInfo
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URL=WANIPConn1
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NS=WANIPConnection
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;;
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downstream|upstream)
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VERB=GetCommonLinkProperties
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URL=WANCommonIFC1
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NS=WANCommonInterfaceConfig
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;;
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bandwidthup|bandwidthdown|totalbwup|totalbwdown)
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VERB=GetAddonInfos
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URL=WANCommonIFC1
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NS=WANCommonInterfaceConfig
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;;
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*)
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echo "ERROR - Unknown service check ${CHECK}"
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exit ${RC_UNKNOWN}
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;;
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esac
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STATUS=$(curl --max-time "${MY_CURL_TIMEOUT}" "http://${HOSTNAME}:${PORT}/igdupnp/control/${URL}" \
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-H "Content-Type: text/xml; charset=\"utf-8\"" \
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-H "SoapAction:urn:schemas-upnp-org:service:${NS}:1#${VERB}" \
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-d "<?xml version='1.0' encoding='utf-8'?> <s:Envelope s:encodingStyle='http://schemas.xmlsoap.org/soap/encoding/' xmlns:s='http://schemas.xmlsoap.org/soap/envelope/'> <s:Body> <u:${VERB} xmlns:u=\"urn:schemas-upnp-org:service:${NS}:1\" /> </s:Body> </s:Envelope>" \
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-s)
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if [ "$?" -ne "0" ]; then
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echo "ERROR - Could not retrieve status from FRITZ!Box"
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exit ${RC_CRIT}
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fi
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if [ ${DEBUG} -eq 1 ]; then
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echo "DEBUG - Status:"
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echo "${STATUS}"
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fi
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case ${CHECK} in
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linkuptime)
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UPTIME=$(find_xml_value "${STATUS}" NewUptime)
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require_number "${UPTIME}" "Could not parse uptime"
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HOURS=$((${UPTIME}/3600))
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MINUTES=$(((${UPTIME}-(${HOURS}*3600))/60))
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SECONDS=$((${UPTIME}-(${HOURS}*3600)-(${MINUTES}*60)))
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RESULT="Link uptime ${UPTIME} seconds [${HOURS}h ${MINUTES}m ${SECONDS}s]"
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echo "${RESULT}"
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;;
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upstream)
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UPSTREAMBITS=$(find_xml_value "${STATUS}" NewLayer1UpstreamMaxBitRate)
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require_number "${UPSTREAMBITS}" "Could not parse upstream"
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UPSTREAM=$(echo "scale=3;$UPSTREAMBITS/$RATE" | bc)
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RESULT="Upstream ${UPSTREAM} ${PRE}bits per second"
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echo "${RESULT}"
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;;
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downstream)
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DOWNSTREAMBITS=$(find_xml_value "${STATUS}" NewLayer1DownstreamMaxBitRate)
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require_number "${DOWNSTREAMBITS}" "Could not parse downstream"
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DOWNSTREAM=$(echo "scale=3;$DOWNSTREAMBITS/$RATE" | bc)
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RESULT="Downstream ${DOWNSTREAM} ${PRE}bits per second"
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echo "${RESULT}"
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;;
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bandwidthdown)
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BANDWIDTHDOWNBYTES=$(find_xml_value "${STATUS}" NewByteReceiveRate)
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BANDWIDTHDOWN=$(echo "scale=3;$BANDWIDTHDOWNBYTES/$RATE" | bc)
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RESULT="Current download ${BANDWIDTHDOWN} ${PRE}bytes per second"
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echo "${RESULT}"
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;;
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bandwidthup)
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BANDWIDTHUPBYTES=$(find_xml_value "${STATUS}" NewByteSendRate)
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BANDWIDTHUP=$(echo "scale=3;$BANDWIDTHUPBYTES/$RATE" | bc)
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RESULT="Current upload ${BANDWIDTHUP} ${PRE}bytes per second"
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echo "${RESULT}"
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;;
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totalbwdown)
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TOTALBWDOWNBYTES=$(find_xml_value "${STATUS}" NewTotalBytesReceived)
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TOTALBWDOWN=$(echo "scale=3;$TOTALBWDOWNBYTES/$RATE" | bc)
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RESULT="total download ${TOTALBWDOWN} ${PRE}bytes"
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echo "$RESULT"
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;;
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totalbwup)
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TOTALBWUPBYTES=$(find_xml_value "${STATUS}" NewTotalBytesSent)
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TOTALBWUP=$(echo "scale=3;$TOTALBWUPBYTES/$RATE" | bc)
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RESULT="total uploads ${TOTALBWUP} ${PRE}bytes"
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echo "$RESULT"
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;;
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connection)
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STATE=$(find_xml_value "${STATUS}" NewConnectionStatus)
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case ${STATE} in
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Connected)
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echo "OK - Connected"
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exit ${RC_OK}
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;;
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Connecting | Disconnected)
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echo "WARNING - Connection lost"
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exit ${RC_WARN}
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;;
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*)
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echo "ERROR - Unknown connection state ${STATE}"
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exit ${RC_UNKNOWN}
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;;
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esac
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;;
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*)
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echo "ERROR - Unknown service check ${CHECK}"
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exit ${RC_UNKNOWN}
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esac
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