noip DDNS update without WAN interface.txt

#Define no.ip setting:
#================================================
:local NoipUsername ""
:local NoipPassword ""
:local NoipDomain ""
:local UpdateIPv4 true
:local UpdateIPv6 false
:local LogPrefix "no.ip DDNS:"
#================================================
#If you don't understand the following programs, not recommended to modify:
#------------------------------------------------------------------------------------------
#Define IP variable
:local NoipDDNSPreviousIPv4
:local NoipDDNSPreviousIPv6
:local IPChanged false
:local IPv4Address
:local IPv6Address
:local IPv4TmpStr
:local IPv6TmpStr

:if ($UpdateIPv4) do={
    #Define variable preset
    :if ([ :typeof $NoipDDNSPreviousIPv4 ] = nil ) do={ $NoipDDNSPreviousIPv4 "0.0.0.0" }
    
    #Get IPv4 address
    /tool fetch url="https://api.ipify.org" mode=http dst-path=("ipv4_address")
    
    :delay 1
    
    #Get file contents
    :set IPv4Address [ /file get "ipv4_address" contents]

    #Delete file
    :local filename [ /file find name="ipv4_address"]
    /file remove $filename

    #Determine whether to update the IPv4
    :if ([ :typeof $IPv4Address ] = nil ) do={
        :log error ($LogPrefix." IPv4 address not obtained")
    } else={
        :if ($IPv4Address != $NoipDDNSPreviousIPv4) do={
            :set IPv4TmpStr "&myip=$IPv4Address"
            :set IPChanged true
        }
    }
}

:if ($UpdateIPv6) do={
    #Define variable preset
    :if ([ :typeof $NoipDDNSPreviousIPv6 ] = nil ) do={ $NoipDDNSPreviousIPv6 "::" }

    #Get IPv6 address
    /tool fetch url="https://api64.ipify.org" mode=http dst-path=("ipv6_address")
    
    :delay 1
    
    #Get file contents
    :set IPv6Address [ /file get "ipv6_address" contents]

    #Delete file
    :local filenames [ /file find name="ipv6_address"]
    /file remove $filenames

    #Determine whether to update the IPv6
    :if ([ :typeof $IPv6Address ] = nil ) do={
        :log error ($LogPrefix." IPv6 address not obtained")
    } else={
        :if ($IPv6Address != $NoipDDNSPreviousIPv6) do={
            :set IPv6TmpStr "&myipv6=$IPv6Address"
            :set IPChanged true
        }
    }
}

#update DDNS IP
:if ($IPChanged) do={
    :local url ("https://dynupdate.no-ip.com/nic/update?hostname=$NoipDomain".$IPv4TmpStr.$IPv6TmpStr)

    /tool fetch url=($url) user=$NoipUsername password=$NoipPassword mode=http dst-path=("noip-ddns-update-$NoipDomain-info")
    
    :delay 1

    #File content
    :local filestr [ /file get "noip-ddns-update-$NoipDomain-info" contents]
    
    #Delete file
    :local filename [ /file find name="noip-ddns-update-$NoipDomain-info"]
    /file remove $filename

    #Update success or not
    :if ( [ :find $filestr "good"] = "0" || [ :find $filestr "nochg"] = "0" ) do={
        :log info ($LogPrefix." update success")
        :if ($UpdateIPv4 && [ :typeof $IPv4Address ] != nil && [ :typeof $IPv4TmpStr ] != nil  ) do={
            :set NoipDDNSPreviousIPv4 $IPv4Address
        }
        :if ($UpdateIPv6 && [ :typeof $IPv6Address ] != nil && [ :typeof $IPv6TmpStr ] != nil  ) do={
            :set NoipDDNSPreviousIPv6 $IPv6Address
        }
    } else={
        :log error ($LogPrefix." fail to update")
    }
}
#------------------------------------------------------------------------------------------