]> git.ipfire.org Git - ddns.git/blobdiff - src/ddns/providers.py
DynU: Fix typo in function call
[ddns.git] / src / ddns / providers.py
index 6e60f975db93b2b07a4a537ae981f2c6da9bed23..0bd21b83939c11d75af83c35f993537275b43e0b 100644 (file)
@@ -19,7 +19,9 @@
 #                                                                             #
 ###############################################################################
 
 #                                                                             #
 ###############################################################################
 
+import datetime
 import logging
 import logging
+import os
 import subprocess
 import urllib2
 import xml.dom.minidom
 import subprocess
 import urllib2
 import xml.dom.minidom
@@ -57,6 +59,14 @@ class DDNSProvider(object):
 
        DEFAULT_SETTINGS = {}
 
 
        DEFAULT_SETTINGS = {}
 
+       # holdoff time - Number of days no update is performed unless
+       # the IP address has changed.
+       holdoff_days = 30
+
+       # True if the provider is able to remove records, too.
+       # Required to remove AAAA records if IPv6 is absent again.
+       can_remove_records = True
+
        # Automatically register all providers.
        class __metaclass__(type):
                def __init__(provider, name, bases, dict):
        # Automatically register all providers.
        class __metaclass__(type):
                def __init__(provider, name, bases, dict):
@@ -75,6 +85,14 @@ class DDNSProvider(object):
 
                        _providers[provider.handle] = provider
 
 
                        _providers[provider.handle] = provider
 
+       @staticmethod
+       def supported():
+               """
+                       Should be overwritten to check if the system the code is running
+                       on has all the required tools to support this provider.
+               """
+               return True
+
        def __init__(self, core, **settings):
                self.core = core
 
        def __init__(self, core, **settings):
                self.core = core
 
@@ -89,6 +107,10 @@ class DDNSProvider(object):
        def __cmp__(self, other):
                return cmp(self.hostname, other.hostname)
 
        def __cmp__(self, other):
                return cmp(self.hostname, other.hostname)
 
+       @property
+       def db(self):
+               return self.core.db
+
        def get(self, key, default=None):
                """
                        Get a setting from the settings dictionary.
        def get(self, key, default=None):
                """
                        Get a setting from the settings dictionary.
@@ -127,22 +149,65 @@ class DDNSProvider(object):
                if force:
                        logger.debug(_("Updating %s forced") % self.hostname)
 
                if force:
                        logger.debug(_("Updating %s forced") % self.hostname)
 
-               # Check if we actually need to update this host.
-               elif self.is_uptodate(self.protocols):
-                       logger.debug(_("The dynamic host %(hostname)s (%(provider)s) is already up to date") % \
-                               { "hostname" : self.hostname, "provider" : self.name })
+               # Do nothing if no update is required
+               elif not self.requires_update:
                        return
 
                # Execute the update.
                        return
 
                # Execute the update.
-               self.update()
+               try:
+                       self.update()
+
+               # In case of any errors, log the failed request and
+               # raise the exception.
+               except DDNSError as e:
+                       self.core.db.log_failure(self.hostname, e)
+                       raise
 
                logger.info(_("Dynamic DNS update for %(hostname)s (%(provider)s) successful") % \
                        { "hostname" : self.hostname, "provider" : self.name })
 
                logger.info(_("Dynamic DNS update for %(hostname)s (%(provider)s) successful") % \
                        { "hostname" : self.hostname, "provider" : self.name })
+               self.core.db.log_success(self.hostname)
 
        def update(self):
 
        def update(self):
+               for protocol in self.protocols:
+                       if self.have_address(protocol):
+                               self.update_protocol(protocol)
+                       elif self.can_remove_records:
+                               self.remove_protocol(protocol)
+
+       def update_protocol(self, proto):
                raise NotImplementedError
 
                raise NotImplementedError
 
-       def is_uptodate(self, protos):
+       def remove_protocol(self, proto):
+               if not self.can_remove_records:
+                       raise RuntimeError, "can_remove_records is enabled, but remove_protocol() not implemented"
+
+               raise NotImplementedError
+
+       @property
+       def requires_update(self):
+               # If the IP addresses have changed, an update is required
+               if self.ip_address_changed(self.protocols):
+                       logger.debug(_("An update for %(hostname)s (%(provider)s)"
+                               " is performed because of an IP address change") % \
+                               { "hostname" : self.hostname, "provider" : self.name })
+
+                       return True
+
+               # If the holdoff time has expired, an update is required, too
+               if self.holdoff_time_expired():
+                       logger.debug(_("An update for %(hostname)s (%(provider)s)"
+                               " is performed because the holdoff time has expired") % \
+                               { "hostname" : self.hostname, "provider" : self.name })
+
+                       return True
+
+               # Otherwise, we don't need to perform an update
+               logger.debug(_("No update required for %(hostname)s (%(provider)s)") % \
+                       { "hostname" : self.hostname, "provider" : self.name })
+
+               return False
+
+       def ip_address_changed(self, protos):
                """
                        Returns True if this host is already up to date
                        and does not need to change the IP address on the
                """
                        Returns True if this host is already up to date
                        and does not need to change the IP address on the
@@ -150,18 +215,53 @@ class DDNSProvider(object):
                """
                for proto in protos:
                        addresses = self.core.system.resolve(self.hostname, proto)
                """
                for proto in protos:
                        addresses = self.core.system.resolve(self.hostname, proto)
-
                        current_address = self.get_address(proto)
 
                        current_address = self.get_address(proto)
 
-                       # If no addresses for the given protocol exist, we
-                       # are fine...
-                       if current_address is None and not addresses:
+                       # Handle if the system has not got any IP address from a protocol
+                       # (i.e. had full dual-stack connectivity which it has not any more)
+                       if current_address is None:
+                               # If addresses still exists in the DNS system and if this provider
+                               # is able to remove records, we will do that.
+                               if addresses and self.can_remove_records:
+                                       return True
+
+                               # Otherwise, we cannot go on...
                                continue
 
                        if not current_address in addresses:
                                continue
 
                        if not current_address in addresses:
-                               return False
+                               return True
 
 
-               return True
+               return False
+
+       def holdoff_time_expired(self):
+               """
+                       Returns true if the holdoff time has expired
+                       and the host requires an update
+               """
+               # If no holdoff days is defined, we cannot go on
+               if not self.holdoff_days:
+                       return False
+
+               # Get the timestamp of the last successfull update
+               last_update = self.db.last_update(self.hostname)
+
+               # If no timestamp has been recorded, no update has been
+               # performed. An update should be performed now.
+               if not last_update:
+                       return True
+
+               # Determine when the holdoff time ends
+               holdoff_end = last_update + datetime.timedelta(days=self.holdoff_days)
+
+               now = datetime.datetime.utcnow()
+
+               if now >= holdoff_end:
+                       logger.debug("The holdoff time has expired for %s" % self.hostname)
+                       return True
+               else:
+                       logger.debug("Updates for %s are held off until %s" % \
+                               (self.hostname, holdoff_end))
+                       return False
 
        def send_request(self, *args, **kwargs):
                """
 
        def send_request(self, *args, **kwargs):
                """
@@ -176,6 +276,18 @@ class DDNSProvider(object):
                """
                return self.core.system.get_address(proto) or default
 
                """
                return self.core.system.get_address(proto) or default
 
+       def have_address(self, proto):
+               """
+                       Returns True if an IP address for the given protocol
+                       is known and usable.
+               """
+               address = self.get_address(proto)
+
+               if address:
+                       return True
+
+               return False
+
 
 class DDNSProtocolDynDNS2(object):
        """
 
 class DDNSProtocolDynDNS2(object):
        """
@@ -189,19 +301,25 @@ class DDNSProtocolDynDNS2(object):
        # http://dyn.com/support/developers/api/perform-update/
        # http://dyn.com/support/developers/api/return-codes/
 
        # http://dyn.com/support/developers/api/perform-update/
        # http://dyn.com/support/developers/api/return-codes/
 
-       def _prepare_request_data(self):
+       # The DynDNS protocol version 2 does not allow to remove records
+       can_remove_records = False
+
+       def prepare_request_data(self, proto):
                data = {
                        "hostname" : self.hostname,
                data = {
                        "hostname" : self.hostname,
-                       "myip"     : self.get_address("ipv4"),
+                       "myip"     : self.get_address(proto),
                }
 
                return data
 
                }
 
                return data
 
-       def update(self):
-               data = self._prepare_request_data()
+       def update_protocol(self, proto):
+               data = self.prepare_request_data(proto)
+
+               return self.send_request(data)
 
 
+       def send_request(self, data):
                # Send update to the server.
                # Send update to the server.
-               response = self.send_request(self.url, data=data,
+               response = DDNSProvider.send_request(self, self.url, data=data,
                        username=self.username, password=self.password)
 
                # Get the full response message.
                        username=self.username, password=self.password)
 
                # Get the full response message.
@@ -272,6 +390,7 @@ class DDNSProviderAllInkl(DDNSProvider):
        # http://all-inkl.goetze.it/v01/ddns-mit-einfachen-mitteln/
 
        url = "http://dyndns.kasserver.com"
        # http://all-inkl.goetze.it/v01/ddns-mit-einfachen-mitteln/
 
        url = "http://dyndns.kasserver.com"
+       can_remove_records = False
 
        def update(self):
                # There is no additional data required so we directly can
 
        def update(self):
                # There is no additional data required so we directly can
@@ -296,6 +415,19 @@ class DDNSProviderBindNsupdate(DDNSProvider):
 
        DEFAULT_TTL = 60
 
 
        DEFAULT_TTL = 60
 
+       @staticmethod
+       def supported():
+               # Search if the nsupdate utility is available
+               paths = os.environ.get("PATH")
+
+               for path in paths.split(":"):
+                       executable = os.path.join(path, "nsupdate")
+
+                       if os.path.exists(executable):
+                               return True
+
+               return False
+
        def update(self):
                scriptlet = self.__make_scriptlet()
 
        def update(self):
                scriptlet = self.__make_scriptlet()
 
@@ -370,11 +502,12 @@ class DDNSProviderDHS(DDNSProvider):
        # grabed from source code of ez-ipudate.
 
        url = "http://members.dhs.org/nic/hosts"
        # grabed from source code of ez-ipudate.
 
        url = "http://members.dhs.org/nic/hosts"
+       can_remove_records = False
 
 
-       def update(self):
+       def update_protocol(self, proto):
                data = {
                        "domain"       : self.hostname,
                data = {
                        "domain"       : self.hostname,
-                       "ip"           : self.get_address("ipv4"),
+                       "ip"           : self.get_address(proto),
                        "hostcmd"      : "edit",
                        "hostcmdstage" : "2",
                        "type"         : "4",
                        "hostcmd"      : "edit",
                        "hostcmdstage" : "2",
                        "type"         : "4",
@@ -402,11 +535,12 @@ class DDNSProviderDNSpark(DDNSProvider):
        # https://dnspark.zendesk.com/entries/31229348-Dynamic-DNS-API-Documentation
 
        url = "https://control.dnspark.com/api/dynamic/update.php"
        # https://dnspark.zendesk.com/entries/31229348-Dynamic-DNS-API-Documentation
 
        url = "https://control.dnspark.com/api/dynamic/update.php"
+       can_remove_records = False
 
 
-       def update(self):
+       def update_protocol(self, proto):
                data = {
                        "domain" : self.hostname,
                data = {
                        "domain" : self.hostname,
-                       "ip"     : self.get_address("ipv4"),
+                       "ip"     : self.get_address(proto),
                }
 
                # Send update to the server.
                }
 
                # Send update to the server.
@@ -450,10 +584,11 @@ class DDNSProviderDtDNS(DDNSProvider):
        # http://www.dtdns.com/dtsite/updatespec
 
        url = "https://www.dtdns.com/api/autodns.cfm"
        # http://www.dtdns.com/dtsite/updatespec
 
        url = "https://www.dtdns.com/api/autodns.cfm"
+       can_remove_records = False
 
 
-       def update(self):
+       def update_protocol(self, proto):
                data = {
                data = {
-                       "ip" : self.get_address("ipv4"),
+                       "ip" : self.get_address(proto),
                        "id" : self.hostname,
                        "pw" : self.password
                }
                        "id" : self.hostname,
                        "pw" : self.password
                }
@@ -519,8 +654,10 @@ class DDNSProviderDynU(DDNSProtocolDynDNS2, DDNSProvider):
 
        url = "https://api.dynu.com/nic/update"
 
 
        url = "https://api.dynu.com/nic/update"
 
-       def _prepare_request_data(self):
-               data = DDNSProtocolDynDNS2._prepare_request_data(self)
+       # DynU sends the IPv6 and IPv4 address in one request
+
+       def update(self):
+               data = DDNSProtocolDynDNS2.prepare_request_data(self, "ipv4")
 
                # This one supports IPv6
                myipv6 = self.get_address("ipv6")
 
                # This one supports IPv6
                myipv6 = self.get_address("ipv6")
@@ -529,7 +666,7 @@ class DDNSProviderDynU(DDNSProtocolDynDNS2, DDNSProvider):
                if myipv6:
                        data["myipv6"] = myipv6
 
                if myipv6:
                        data["myipv6"] = myipv6
 
-               return data
+               self.send_request(data)
 
 
 class DDNSProviderEasyDNS(DDNSProtocolDynDNS2, DDNSProvider):
 
 
 class DDNSProviderEasyDNS(DDNSProtocolDynDNS2, DDNSProvider):
@@ -556,22 +693,69 @@ class DDNSProviderDomopoli(DDNSProtocolDynDNS2, DDNSProvider):
        url = "http://dyndns.domopoli.de/nic/update"
 
 
        url = "http://dyndns.domopoli.de/nic/update"
 
 
+class DDNSProviderDynsNet(DDNSProvider):
+       handle    = "dyns.net"
+       name      = "DyNS"
+       website   = "http://www.dyns.net/"
+       protocols = ("ipv4",)
+       can_remove_records = False
+
+       # There is very detailed informatio about how to send the update request and
+       # the possible response codes. (Currently we are using the v1.1 proto)
+       # http://www.dyns.net/documentation/technical/protocol/
+
+       url = "http://www.dyns.net/postscript011.php"
+
+       def update_protocol(self, proto):
+               data = {
+                       "ip"       : self.get_address(proto),
+                       "host"     : self.hostname,
+                       "username" : self.username,
+                       "password" : self.password,
+               }
+
+               # Send update to the server.
+               response = self.send_request(self.url, data=data)
+
+               # Get the full response message.
+               output = response.read()
+
+               # Handle success messages.
+               if output.startswith("200"):
+                       return
+
+               # Handle error codes.
+               if output.startswith("400"):
+                       raise DDNSRequestError(_("Malformed request has been sent."))
+               elif output.startswith("401"):
+                       raise DDNSAuthenticationError
+               elif output.startswith("402"):
+                       raise DDNSRequestError(_("Too frequent update requests have been sent."))
+               elif output.startswith("403"):
+                       raise DDNSInternalServerError
+
+               # If we got here, some other update error happened.
+               raise DDNSUpdateError(_("Server response: %s") % output) 
+
+
 class DDNSProviderEnomCom(DDNSResponseParserXML, DDNSProvider):
        handle    = "enom.com"
        name      = "eNom Inc."
        website   = "http://www.enom.com/"
 class DDNSProviderEnomCom(DDNSResponseParserXML, DDNSProvider):
        handle    = "enom.com"
        name      = "eNom Inc."
        website   = "http://www.enom.com/"
+       protocols = ("ipv4",)
 
        # There are very detailed information about how to send an update request and
        # the respone codes.
        # http://www.enom.com/APICommandCatalog/
 
        url = "https://dynamic.name-services.com/interface.asp"
 
        # There are very detailed information about how to send an update request and
        # the respone codes.
        # http://www.enom.com/APICommandCatalog/
 
        url = "https://dynamic.name-services.com/interface.asp"
+       can_remove_records = False
 
 
-       def update(self):
+       def update_protocol(self, proto):
                data = {
                        "command"        : "setdnshost",
                        "responsetype"   : "xml",
                data = {
                        "command"        : "setdnshost",
                        "responsetype"   : "xml",
-                       "address"        : self.get_address("ipv4"),
+                       "address"        : self.get_address(proto),
                        "domainpassword" : self.password,
                        "zone"           : self.hostname
                }
                        "domainpassword" : self.password,
                        "zone"           : self.hostname
                }
@@ -607,10 +791,11 @@ class DDNSProviderEntryDNS(DDNSProvider):
        # Some very tiny details about their so called "Simple API" can be found
        # here: https://entrydns.net/help
        url = "https://entrydns.net/records/modify"
        # Some very tiny details about their so called "Simple API" can be found
        # here: https://entrydns.net/help
        url = "https://entrydns.net/records/modify"
+       can_remove_records = False
 
 
-       def update(self):
+       def update_protocol(self, proto):
                data = {
                data = {
-                       "ip" : self.get_address("ipv4")
+                       "ip" : self.get_address(proto),
                }
 
                # Add auth token to the update url.
                }
 
                # Add auth token to the update url.
@@ -646,16 +831,11 @@ class DDNSProviderFreeDNSAfraidOrg(DDNSProvider):
        # No information about the request or response could be found on the vendor
        # page. All used values have been collected by testing.
        url = "https://freedns.afraid.org/dynamic/update.php"
        # No information about the request or response could be found on the vendor
        # page. All used values have been collected by testing.
        url = "https://freedns.afraid.org/dynamic/update.php"
+       can_remove_records = False
 
 
-       @property
-       def proto(self):
-               return self.get("proto")
-
-       def update(self):
-               address = self.get_address(self.proto)
-
+       def update_protocol(self, proto):
                data = {
                data = {
-                       "address" : address,
+                       "address" : self.get_address(proto),
                }
 
                # Add auth token to the update url.
                }
 
                # Add auth token to the update url.
@@ -724,6 +904,25 @@ class DDNSProviderLightningWireLabs(DDNSProvider):
                raise DDNSUpdateError
 
 
                raise DDNSUpdateError
 
 
+class DDNSProviderMyOnlinePortal(DDNSProtocolDynDNS2, DDNSProvider):
+       handle    = "myonlineportal.net"
+       name      = "myonlineportal.net"
+       website   = "https:/myonlineportal.net/"
+
+       # Information about the request and response can be obtained here:
+       # https://myonlineportal.net/howto_dyndns
+
+       url = "https://myonlineportal.net/updateddns"
+
+       def prepare_request_data(self, proto):
+               data = {
+                       "hostname" : self.hostname,
+                       "ip"     : self.get_address(proto),
+               }
+
+               return data
+
+
 class DDNSProviderNamecheap(DDNSResponseParserXML, DDNSProvider):
        handle    = "namecheap.com"
        name      = "Namecheap"
 class DDNSProviderNamecheap(DDNSResponseParserXML, DDNSProvider):
        handle    = "namecheap.com"
        name      = "Namecheap"
@@ -735,13 +934,14 @@ class DDNSProviderNamecheap(DDNSResponseParserXML, DDNSProvider):
        # https://community.namecheap.com/forums/viewtopic.php?f=6&t=6772
 
        url = "https://dynamicdns.park-your-domain.com/update"
        # https://community.namecheap.com/forums/viewtopic.php?f=6&t=6772
 
        url = "https://dynamicdns.park-your-domain.com/update"
+       can_remove_records = False
 
 
-       def update(self):
+       def update_protocol(self, proto):
                # Namecheap requires the hostname splitted into a host and domain part.
                host, domain = self.hostname.split(".", 1)
 
                data = {
                # Namecheap requires the hostname splitted into a host and domain part.
                host, domain = self.hostname.split(".", 1)
 
                data = {
-                       "ip"       : self.get_address("ipv4"),
+                       "ip"       : self.get_address(proto),
                        "password" : self.password,
                        "host"     : host,
                        "domain"   : domain
                        "password" : self.password,
                        "host"     : host,
                        "domain"   : domain
@@ -754,7 +954,7 @@ class DDNSProviderNamecheap(DDNSResponseParserXML, DDNSProvider):
                output = response.read()
 
                # Handle success messages.
                output = response.read()
 
                # Handle success messages.
-               if self.get_xml_tag_value(output, "IP") == self.get_address("ipv4"):
+               if self.get_xml_tag_value(output, "IP") == address:
                        return
 
                # Handle error codes.
                        return
 
                # Handle error codes.
@@ -785,10 +985,12 @@ class DDNSProviderNOIP(DDNSProtocolDynDNS2, DDNSProvider):
 
        url = "http://dynupdate.no-ip.com/nic/update"
 
 
        url = "http://dynupdate.no-ip.com/nic/update"
 
-       def _prepare_request_data(self):
+       def prepare_request_data(self, proto):
+               assert proto == "ipv4"
+
                data = {
                        "hostname" : self.hostname,
                data = {
                        "hostname" : self.hostname,
-                       "address"  : self.get_address("ipv4"),
+                       "address"  : self.get_address(proto),
                }
 
                return data
                }
 
                return data
@@ -804,6 +1006,10 @@ class DDNSProviderNsupdateINFO(DDNSProtocolDynDNS2, DDNSProvider):
        # after login on the provider user interface and here:
        # http://nsupdateinfo.readthedocs.org/en/latest/user.html
 
        # after login on the provider user interface and here:
        # http://nsupdateinfo.readthedocs.org/en/latest/user.html
 
+       # TODO nsupdate.info can actually do this, but the functionality
+       # has not been implemented here, yet.
+       can_remove_records = False
+
        # Nsupdate.info uses the hostname as user part for the HTTP basic auth,
        # and for the password a so called secret.
        @property
        # Nsupdate.info uses the hostname as user part for the HTTP basic auth,
        # and for the password a so called secret.
        @property
@@ -812,11 +1018,7 @@ class DDNSProviderNsupdateINFO(DDNSProtocolDynDNS2, DDNSProvider):
 
        @property
        def password(self):
 
        @property
        def password(self):
-               return self.get("secret")
-
-       @property
-       def proto(self):
-               return self.get("proto")
+               return self.token or self.get("secret")
 
        @property
        def url(self):
 
        @property
        def url(self):
@@ -828,9 +1030,9 @@ class DDNSProviderNsupdateINFO(DDNSProtocolDynDNS2, DDNSProvider):
                else:
                        raise DDNSUpdateError(_("Invalid protocol has been given"))
 
                else:
                        raise DDNSUpdateError(_("Invalid protocol has been given"))
 
-       def _prepare_request_data(self):
+       def prepare_request_data(self, proto):
                data = {
                data = {
-                       "myip" : self.get_address(self.proto),
+                       "myip" : self.get_address(proto),
                }
 
                return data
                }
 
                return data
@@ -847,14 +1049,10 @@ class DDNSProviderOpenDNS(DDNSProtocolDynDNS2, DDNSProvider):
 
        url = "https://updates.opendns.com/nic/update"
 
 
        url = "https://updates.opendns.com/nic/update"
 
-       @property
-       def proto(self):
-               return self.get("proto")
-
-       def _prepare_request_data(self):
+       def prepare_request_data(self, proto):
                data = {
                        "hostname" : self.hostname,
                data = {
                        "hostname" : self.hostname,
-                       "myip"     : self.get_address(self.proto)
+                       "myip"     : self.get_address(proto),
                }
 
                return data
                }
 
                return data
@@ -874,8 +1072,8 @@ class DDNSProviderOVH(DDNSProtocolDynDNS2, DDNSProvider):
 
        url = "https://www.ovh.com/nic/update"
 
 
        url = "https://www.ovh.com/nic/update"
 
-       def _prepare_request_data(self):
-               data = DDNSProtocolDynDNS2._prepare_request_data(self)
+       def prepare_request_data(self, proto):
+               data = DDNSProtocolDynDNS2.prepare_request_data(self, proto)
                data.update({
                        "system" : "dyndns",
                })
                data.update({
                        "system" : "dyndns",
                })
@@ -893,6 +1091,7 @@ class DDNSProviderRegfish(DDNSProvider):
        # https://www.regfish.de/domains/dyndns/dokumentation
 
        url = "https://dyndns.regfish.de/"
        # https://www.regfish.de/domains/dyndns/dokumentation
 
        url = "https://dyndns.regfish.de/"
+       can_remove_records = False
 
        def update(self):
                data = {
 
        def update(self):
                data = {
@@ -962,8 +1161,8 @@ class DDNSProviderSelfhost(DDNSProtocolDynDNS2, DDNSProvider):
 
        url = "https://carol.selfhost.de/nic/update"
 
 
        url = "https://carol.selfhost.de/nic/update"
 
-       def _prepare_request_data(self):
-               data = DDNSProtocolDynDNS2._prepare_request_data(self)
+       def prepare_request_data(self, proto):
+               data = DDNSProtocolDynDNS2.prepare_request_data(self, proto)
                data.update({
                        "hostname" : "1",
                })
                data.update({
                        "hostname" : "1",
                })
@@ -975,7 +1174,6 @@ class DDNSProviderSPDNS(DDNSProtocolDynDNS2, DDNSProvider):
        handle    = "spdns.org"
        name      = "SPDNS"
        website   = "http://spdns.org/"
        handle    = "spdns.org"
        name      = "SPDNS"
        website   = "http://spdns.org/"
-       protocols = ("ipv4",)
 
        # Detailed information about request and response codes are provided
        # by the vendor. They are using almost the same mechanism and status
 
        # Detailed information about request and response codes are provided
        # by the vendor. They are using almost the same mechanism and status
@@ -1019,9 +1217,11 @@ class DDNSProviderTwoDNS(DDNSProtocolDynDNS2, DDNSProvider):
 
        url = "https://update.twodns.de/update"
 
 
        url = "https://update.twodns.de/update"
 
-       def _prepare_request_data(self):
+       def prepare_request_data(self, proto):
+               assert proto == "ipv4"
+
                data = {
                data = {
-                       "ip" : self.get_address("ipv4"),
+                       "ip"       : self.get_address(proto),
                        "hostname" : self.hostname
                }
 
                        "hostname" : self.hostname
                }
 
@@ -1051,14 +1251,10 @@ class DDNSProviderVariomedia(DDNSProtocolDynDNS2, DDNSProvider):
 
        url = "https://dyndns.variomedia.de/nic/update"
 
 
        url = "https://dyndns.variomedia.de/nic/update"
 
-       @property
-       def proto(self):
-               return self.get("proto")
-
-       def _prepare_request_data(self):
+       def prepare_request_data(self, proto):
                data = {
                        "hostname" : self.hostname,
                data = {
                        "hostname" : self.hostname,
-                       "myip"     : self.get_address(self.proto)
+                       "myip"     : self.get_address(proto),
                }
 
                return data
                }
 
                return data
@@ -1077,13 +1273,9 @@ class DDNSProviderZoneedit(DDNSProtocolDynDNS2, DDNSProvider):
 
        url = "https://dynamic.zoneedit.com/auth/dynamic.html"
 
 
        url = "https://dynamic.zoneedit.com/auth/dynamic.html"
 
-       @property
-       def proto(self):
-               return self.get("proto")
-
-       def update(self):
+       def update_protocol(self, proto):
                data = {
                data = {
-                       "dnsto" : self.get_address(self.proto),
+                       "dnsto" : self.get_address(proto),
                        "host"  : self.hostname
                }
 
                        "host"  : self.hostname
                }
 
@@ -1108,3 +1300,50 @@ class DDNSProviderZoneedit(DDNSProtocolDynDNS2, DDNSProvider):
 
                # If we got here, some other update error happened.
                raise DDNSUpdateError
 
                # If we got here, some other update error happened.
                raise DDNSUpdateError
+
+
+class DDNSProviderZZZZ(DDNSProvider):
+       handle    = "zzzz.io"
+       name      = "zzzz"
+       website   = "https://zzzz.io"
+       protocols = ("ipv6", "ipv4",)
+
+       # Detailed information about the update request can be found here:
+       # https://zzzz.io/faq/
+
+       # Details about the possible response codes have been provided in the bugtracker:
+       # https://bugzilla.ipfire.org/show_bug.cgi?id=10584#c2
+
+       url = "https://zzzz.io/api/v1/update"
+       can_remove_records = False
+
+       def update_protocol(self, proto):
+               data = {
+                       "ip"    : self.get_address(proto),
+                       "token" : self.token,
+               }
+
+               if proto == "ipv6":
+                       data["type"] = "aaaa"
+
+               # zzzz uses the host from the full hostname as part
+               # of the update url.
+               host, domain = self.hostname.split(".", 1)
+
+               # Add host value to the update url.
+               url = "%s/%s" % (self.url, host)
+
+               # Send update to the server.
+               try:
+                       response = self.send_request(url, data=data)
+
+               # Handle error codes.
+               except DDNSNotFound:
+                       raise DDNSRequestError(_("Invalid hostname specified"))
+
+               # Handle success messages.
+               if response.code == 200:
+                       return
+
+               # If we got here, some other update error happened.
+               raise DDNSUpdateError