🌴 Sync 2026-03-05 23:51:42

luci-app-dynv6/root/usr/bin/dynv6-update.sh

@@ -0,0 +1,119 @@
+#!/bin/sh -e
+
+. /lib/functions.sh
+
+
+logmsg(){
+  logger -t "dynv6" $@
+}
+
+if [ -e /usr/bin/curl ]; then
+  bin="curl -fsS"
+  elif [ -e /usr/bin/wget ]; then
+  bin="wget -O-"
+else
+  logmsg "neither curl nor wget found"
+  exit 1
+fi
+
+update_address(){
+  local hostname=$1
+  local device=$2
+  local token=$3
+  local site=$4
+  local file=$HOME/.dynv6.$site
+  [ -e $file ] && old=`cat $file`
+
+  if [ -z "$hostname" -o -z "$token" ]; then
+    return 0
+  fi
+
+  if [ -z "$netmask" ]; then
+    netmask=128
+  fi
+
+  if [ "$device" = "any" ]; then
+    device=""
+  fi
+
+  if [ -n "$device" ]; then
+    device="dev $device"
+  fi
+  address=$(ip -6 addr list scope global $device 2>/dev/null | grep -v " fd" | sed -n 's/.*inet6 \([0-9a-f:]\+\).*/\1/p' | head -n 1)
+
+
+  if [ -z "$address" ]; then
+    return 0
+  fi
+
+  # address with netmask
+  current=$address/$netmask
+
+  if [ "$old" = "$current" ]; then
+    #logmsg "$site IPv6 address unchanged"
+    return 0
+  fi
+
+  # send addresses to dynv6
+  ret6=`$bin "http://dynv6.com/api/update?hostname=$hostname&ipv6=$current&token=$token" 2>/dev/null`
+  ret4=`$bin "http://ipv4.dynv6.com/api/update?hostname=$hostname&ipv4=auto&token=$token" 2>/dev/null`
+
+  # save current address
+  if [ "$ret6" = "addresses updated" ];then
+    echo $current > $file
+    logmsg "$site update the new ipv6 address $current to dynv6 zone $hostname, ret=$ret6, success!"
+  else
+    logmsg "$site update the new ipv6 address $current to dynv6 zone $hostname, ret=$ret6, failed!"
+  fi
+
+}
+
+dynv6_update_loop()
+{
+  local interval=$1
+  shift
+  while true;do
+    update_address $@
+    sleep "$interval"
+  done
+}
+
+wait_for_ipv6()                                                 
+{                                                               
+        ifstatus $1                                             
+        time=0                                                  
+        while [ -z "$(ifstatus $1 | grep l3_device)"  ]                                     
+        do                                                                                  
+                echo "wait ${time}s"                                                        
+                sleep 10s                                                                   
+                time=$((time+10))                                                           
+        done                                                                                
+}
+
+site_foreach()
+{
+    load_site_cb(){
+        local site=$1
+        local token zone device enabled interval token interface
+        config_get enabled "$site" "enabled" "1"
+        [ $enabled != '1' ] && return 0
+        config_get zone "$site" "zone"
+        config_get token "$site" "token"
+        config_get interface "$site" "interface" "any"
+        config_get interval "$site" "interval" "60"
+        ##### wait ipv6 #######################
+        echo "start to wait for getting ipv6" #
+        wait_for_ipv6 $interface              #
+        echo "got ipv6"                       #
+        ##### wait ipv6 #######################
+        device="$(ifstatus $interface 2>/dev/null| jsonfilter -e '@.l3_device' 2>/dev/null)"
+        [ -z $device ] && device="any"
+        [ -n "$zone" ] && [ -n "$device" ] && [ -n "$token" ] && {
+          dynv6_update_loop $interval $zone $device $token $site &
+        }
+    }
+    config_foreach load_site_cb site
+}
+
+config_load dynv6
+site_foreach