changes to external config file + use cloudflare for now

README.md

@@ -4,7 +4,7 @@ Dynamic DNS updates for UnitedDomains and Vodafone EasyBox
 
 ## Prerequisites
 ```
-apk add bash bind-tools wget curl libxml2-utils jq
+apk add bash grep bind-tools wget curl libxml2-utils jq
 ```
 
 

cloudflareCtrl.sh

@@ -0,0 +1,76 @@
+#!/bin/bash
+
+# Partly adapted from: https://github.com/ddries/d2c.sh/blob/master/d2c.sh
+#
+# requires: wget, ca-certificates, grep, jq
+#rm -f /tmp/cookies.txt
+
+COOKIEFILE="/tmp/cookies-cloudflareCtrl.txt"
+
+source ~/.cloudflare
+#ZONE_ID=
+#API_KEY=
+
+URL="https://api.cloudflare.com/client/v4"
+
+# * * * NO MORE CHANGES DOWN HERE * * * 
+
+COMMANDS="sed grep curl jq"
+for COMMAND in $COMMANDS; do
+  if ! command -v $COMMAND &> /dev/null
+  then
+    echo "$COMMAND could not be found!"
+    exit 1
+  fi
+done
+
+# parse parameters
+DOMAIN=$(echo $1 | sed -r 's/^.*\.(.+\..+)$/\1/')
+SUBDOMAIN=$(echo $1 | sed -r 's/^(.+)\..+\..+$/\1/')
+
+if [ "$DOMAIN" == "$SUBDOMAIN" ]; then
+  SUBDOMAIN=""
+fi
+
+echo "DOMAIN=${DOMAIN}"
+echo "SUBDOMAIN=${SUBDOMAIN}"
+
+UPDATE_IP=$2
+
+#################################################
+
+# get records from Cloudflare
+RRAW=$(curl --silent --request GET \
+        --url ${URL}/zones/${ZONE_ID}/dns_records \
+        --header 'Content-Type: application/json' \
+        --header "Authorization: Bearer ${API_KEY}" \
+        | jq '.result[] | select(.type == "AAAA" and .name == "'${DOMAIN}'") | [.id, .name, .ttl, .content, .type]'
+)
+
+#echo $RRAW
+
+id=$(jq -r '.[0]' <<< "${RRAW}")
+content=$(jq -r '.[3]' <<< "${RRAW}")
+
+#echo "old ip: ${content}"
+
+#if [ "$UPDATE_IP" != "$content" ]; then
+    # update DNS
+    curl --silent --request PATCH \
+    --url "${URL}/zones/${ZONE_ID}/dns_records/${id}" \
+    --header 'Content-Type: application/json' \
+    --header "Authorization: Bearer ${API_KEY}" \
+    --data '{
+        "content": "'${UPDATE_IP}'",
+        "comment": "Updated by ffx at '$(date -Is)'"
+    }'
+
+    echo "OK: ${name}"
+#else
+#    echo "${name} did not change"
+#fi
+
+SUCCESS=$?
+echo "Retval: $SUCCESS"
+
+exit $SUCCESS

ddns.sh

@@ -3,7 +3,11 @@
 # The DNS-server IP to use for checking the domain->IP mapping
 # If the local system has it's own DNS server which maps IPs differently
 # this should point to an external DNS like 1.1.1.1
-NAMESERVER="1.1.1.1"
+#NAMESERVER="1.1.1.1"
+NAMESERVER="2606:4700:4700::1111"
+
+IPV6_INTERFACE_ID="c03c:17ff:feeb:21e7"
+IPV6_SUBNET_ID="01"
 
 # ----- END CONFIG -------------------------------
 
@@ -32,31 +36,38 @@ if [ -f "${LAST_IP_FILE}" ]; then
 fi
 echo "Last UPDATE-IP -----------> ${LAST_IP}"
 
-WAN_IP=$(${SCRIPTPATH}/easyBoxCtrl.sh wan ip 2>/dev/null)
+#WAN_IP=$(${SCRIPTPATH}/easyBoxCtrl.sh wan ip 2>/dev/null)
-echo "Current WAN-IP -----------> ${WAN_IP}"
+#echo "Current WAN-IP -----------> ${WAN_IP}"
+
+IPV6_PREFIX=$(${SCRIPTPATH}/easyBoxCtrl.sh wan ipv6prefix 2>/dev/null)
+echo "Current IPv6-Prefix ------> ${IPV6_PREFIX}"
+
+IPV6_IP="$(sed -r 's/(.*)00::.*/\1/' <<< ${IPV6_PREFIX})${IPV6_SUBNET_ID}:${IPV6_INTERFACE_ID}"
+echo "Current IPv6-IP ----------> ${IPV6_IP}"
 
 PROBE_DOMAIN="${DOMAIN}"
 if [[ "${PROBE_DOMAIN}" == \*.* ]]; then
     PROBE_DOMAIN="probe.${PROBE_DOMAIN:2}"
     echo "Probe domain is ----------> ${PROBE_DOMAIN}"
 fi
-DNS_IP=$(dig @${NAMESERVER} +short ${PROBE_DOMAIN})
+DNS_IP=$(dig @${NAMESERVER} +short ${PROBE_DOMAIN} AAAA)
 echo "Current DNS-IP -----------> ${DNS_IP}"
 
 
-if [ "${WAN_IP}" == "${DNS_IP}" ]; then
+if [ "${IPV6_IP}" == "${DNS_IP}" ]; then
 	echo "IPs match - nothing to do."
 	exit 0
 else
-    if [ "${LAST_IP}" == "${WAN_IP}" ]; then
+    if [ "${LAST_IP}" == "${IPV6_IP}" ]; then
-        echo "Last update IP matches WAN-IP - waiting for DNS to propagate changes."
+        echo "Last update IP matches current IP - waiting for DNS to propagate changes."
     else
-        echo "IP mismatch - trying to update A-record(s)..."
+        echo "IP mismatch - trying to update AAAA-record(s)..."
-        $SCRIPTPATH/unitedDomainsCtrl.sh ${DOMAIN} ${WAN_IP}
+        #$SCRIPTPATH/unitedDomainsCtrl.sh ${DOMAIN} ${IPV6_IP}
+        $SCRIPTPATH/cloudflareCtrl.sh ${DOMAIN} ${IPV6_IP}
         
         if [ "$?" == "0" ]; then
             echo "Save UPDATE_IP."
-            echo "${WAN_IP}" > ${LAST_IP_FILE}
+            echo "${IPV6_IP}" > ${LAST_IP_FILE}
         fi
     fi
 fi

easyBoxCtrl.sh

@@ -44,14 +44,14 @@ done
 RETVAL=""
 touch $COOKIEFILE
 
-echo "request: http://${HOST}/main.cgi?page=login.html" 1>&2
+#echo "request: http://${HOST}/main.cgi?page=login.html" 1>&2
 OUT=$($WGET "http://${HOST}/main.cgi?page=login.html" )
 
 DM_COOKIE=$(echo $OUT | grep dm_cookie | awk -F"dm_cookie='" '{ print $2 }' | awk -F"'" '{ print $1 }')
-echo "DM_COOKIE = "${DM_COOKIE} 1>&2
+#echo "DM_COOKIE = "${DM_COOKIE} 1>&2
 
 WBM_COOKIE=$(cat $COOKIEFILE | grep "wbm_cookie_session_id" | awk -F"\t" '{ print $7 }')
-echo "WBM_COOKIE = "${WBM_COOKIE} 1>&2
+#echo "WBM_COOKIE = "${WBM_COOKIE} 1>&2
 
 # Create a 'special' cookie file without HOST and PATH (important):
 #	cat step1_cookie.txt | sed "s/${HOST}//g" | sed 's/\t\/\t/\t\t/g' > step1_cookie_special.txt
@@ -71,7 +71,8 @@ fi
 
 if [[ "$1" == "wan" && "$2" == "ipv6prefix" ]]; then
 	echo "request: http://${HOST}/data_model.cgi" 1>&2
-	POST_DATA="<soapenv:Envelope xmlns:soapenv=\"http://schemas.xmlsoap.org/soap/envelope/\"><soapenv:Header><DMCookie>${DM_COOKIE}</DMCookie><SessionNotRefresh>1</SessionNotRefresh></soapenv:Header><soapenv:Body><cwmp:GetParameterValues xmlns=\"\"><ParameterNames><string>InternetGatewayDevice.X_JUNGO_COM_TR_181.Device.IP.Interface.33948673.IPv6Prefix.2049.Prefix</string></ParameterNames></cwmp:GetParameterValues></soapenv:Body></soapenv:Envelope>"
+	#POST_DATA="<soapenv:Envelope xmlns:soapenv=\"http://schemas.xmlsoap.org/soap/envelope/\"><soapenv:Header><DMCookie>${DM_COOKIE}</DMCookie><SessionNotRefresh>1</SessionNotRefresh></soapenv:Header><soapenv:Body><cwmp:GetParameterValues xmlns=\"\"><ParameterNames><string>InternetGatewayDevice.X_JUNGO_COM_TR_181.Device.IP.Interface.33948673.IPv6Prefix.2049.Prefix</string></ParameterNames></cwmp:GetParameterValues></soapenv:Body></soapenv:Envelope>"
+	POST_DATA="<soapenv:Envelope xmlns:soapenv=\"http://schemas.xmlsoap.org/soap/envelope/\"><soapenv:Header><DMCookie>${DM_COOKIE}</DMCookie><SessionNotRefresh>1</SessionNotRefresh></soapenv:Header><soapenv:Body><cwmp:GetParameterValues xmlns=\"\"><ParameterNames><string>InternetGatewayDevice.X_JUNGO_COM_TR_181.Device.IP.Interface.33948673.IPv6Prefix.5121.Prefix</string></ParameterNames></cwmp:GetParameterValues></soapenv:Body></soapenv:Envelope>"
 
 	OUT=$($WGET \
 		--post-data="${POST_DATA}" \

unitedDomainsCtrl.sh

@@ -4,6 +4,7 @@
 
 COOKIEFILE="/tmp/cookies.txt"
 
+source ~/.unitedDomains
 #USERNAME=""
 #PASSWORD=""
 
@@ -36,7 +37,7 @@ fi
 echo "DOMAIN=${DOMAIN}"
 echo "SUBDOMAIN=${SUBDOMAIN}"
 
-IPV4=$2
+UPDATE_IP=$2
 
 #################################################
 
@@ -111,12 +112,13 @@ current=$(wget -U " $UA" \
 
 
 RECORD_ID=$(echo $current | \
-	jq -cM --arg v "${SUBDOMAIN}" '.data.A | map(select(.sub_domain == $v)) | .[0].id')
+	jq -cM --arg v "${SUBDOMAIN}" '.data.AAAA | map(select(.sub_domain == $v)) | .[0].id')
+echo "RECORD_ID=${RECORD_ID}"
 
 record=$(echo $current |
-	jq -cM --arg v "${SUBDOMAIN}" '.data.A | map(select(.sub_domain == $v)) | .[0]' | \
+	jq -cM --arg v "${SUBDOMAIN}" '.data.AAAA | map(select(.sub_domain == $v)) | .[0]' | \
 	sed "s/ //g" | \
-	sed "s/\"address\":\"[0-9.]\+\"/\"address\":\"${IPV4}\",\"formId\":${RECORD_ID}/g")
+	sed "s/\"address\":\"[0-9a-z:.]\+\"/\"address\":\"${UPDATE_IP}\",\"formId\":${RECORD_ID}/g")
 echo "NEW: $record"
 
 
@@ -153,7 +155,7 @@ OUT=$(wget -U " $UA" \
     -O- "https://www.united-domains.de/pfapi/dns/domain/$DOMAIN_ID/records" 2>&1)
 #echo "UD answered: $OUT"
 
-#echo $OUT | grep "$IPV4" >/dev/null 2>&1
+#echo $OUT | grep "$UPDATE_IP" >/dev/null 2>&1
 
 SUCCESS=$?
 echo "Retval: $SUCCESS"