]>
git.ipfire.org Git - people/ms/ddns.git/blob - src/ddns/providers.py
2 ###############################################################################
4 # ddns - A dynamic DNS client for IPFire #
5 # Copyright (C) 2012 IPFire development team #
7 # This program is free software: you can redistribute it and/or modify #
8 # it under the terms of the GNU General Public License as published by #
9 # the Free Software Foundation, either version 3 of the License, or #
10 # (at your option) any later version. #
12 # This program is distributed in the hope that it will be useful, #
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of #
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
15 # GNU General Public License for more details. #
17 # You should have received a copy of the GNU General Public License #
18 # along with this program. If not, see <http://www.gnu.org/licenses/>. #
20 ###############################################################################
25 import xml
.dom
.minidom
29 # Import all possible exception types.
32 logger
= logging
.getLogger("ddns.providers")
39 Returns a dict with all automatically registered providers.
41 return _providers
.copy()
43 class DDNSProvider(object):
44 # A short string that uniquely identifies
48 # The full name of the provider.
51 # A weburl to the homepage of the provider.
52 # (Where to register a new account?)
55 # A list of supported protocols.
56 protocols
= ("ipv6", "ipv4")
60 # Automatically register all providers.
61 class __metaclass__(type):
62 def __init__(provider
, name
, bases
, dict):
63 type.__init
__(provider
, name
, bases
, dict)
65 # The main class from which is inherited is not registered
67 if name
== "DDNSProvider":
70 if not all((provider
.handle
, provider
.name
, provider
.website
)):
71 raise DDNSError(_("Provider is not properly configured"))
73 assert not _providers
.has_key(provider
.handle
), \
74 "Provider '%s' has already been registered" % provider
.handle
76 _providers
[provider
.handle
] = provider
78 def __init__(self
, core
, **settings
):
81 # Copy a set of default settings and
82 # update them by those from the configuration file.
83 self
.settings
= self
.DEFAULT_SETTINGS
.copy()
84 self
.settings
.update(settings
)
87 return "<DDNS Provider %s (%s)>" % (self
.name
, self
.handle
)
89 def __cmp__(self
, other
):
90 return cmp(self
.hostname
, other
.hostname
)
92 def get(self
, key
, default
=None):
94 Get a setting from the settings dictionary.
96 return self
.settings
.get(key
, default
)
101 Fast access to the hostname.
103 return self
.get("hostname")
108 Fast access to the username.
110 return self
.get("username")
115 Fast access to the password.
117 return self
.get("password")
122 Fast access to the token.
124 return self
.get("token")
126 def __call__(self
, force
=False):
128 logger
.debug(_("Updating %s forced") % self
.hostname
)
130 # Check if we actually need to update this host.
131 elif self
.is_uptodate(self
.protocols
):
132 logger
.debug(_("%s is already up to date") % self
.hostname
)
135 # Execute the update.
139 raise NotImplementedError
141 def is_uptodate(self
, protos
):
143 Returns True if this host is already up to date
144 and does not need to change the IP address on the
148 addresses
= self
.core
.system
.resolve(self
.hostname
, proto
)
150 current_address
= self
.get_address(proto
)
152 # If no addresses for the given protocol exist, we
154 if current_address
is None and not addresses
:
157 if not current_address
in addresses
:
162 def send_request(self
, *args
, **kwargs
):
164 Proxy connection to the send request
167 return self
.core
.system
.send_request(*args
, **kwargs
)
169 def get_address(self
, proto
, default
=None):
171 Proxy method to get the current IP address.
173 return self
.core
.system
.get_address(proto
) or default
176 class DDNSProtocolDynDNS2(object):
178 This is an abstract class that implements the DynDNS updater
179 protocol version 2. As this is a popular way to update dynamic
180 DNS records, this class is supposed make the provider classes
184 # Information about the format of the request is to be found
185 # http://dyn.com/support/developers/api/perform-update/
186 # http://dyn.com/support/developers/api/return-codes/
188 def _prepare_request_data(self
):
190 "hostname" : self
.hostname
,
191 "myip" : self
.get_address("ipv4"),
197 data
= self
._prepare
_request
_data
()
199 # Send update to the server.
200 response
= self
.send_request(self
.url
, data
=data
,
201 username
=self
.username
, password
=self
.password
)
203 # Get the full response message.
204 output
= response
.read()
206 # Handle success messages.
207 if output
.startswith("good") or output
.startswith("nochg"):
210 # Handle error codes.
211 if output
== "badauth":
212 raise DDNSAuthenticationError
213 elif output
== "aduse":
215 elif output
== "notfqdn":
216 raise DDNSRequestError(_("No valid FQDN was given."))
217 elif output
== "nohost":
218 raise DDNSRequestError(_("Specified host does not exist."))
219 elif output
== "911":
220 raise DDNSInternalServerError
221 elif output
== "dnserr":
222 raise DDNSInternalServerError(_("DNS error encountered."))
224 # If we got here, some other update error happened.
225 raise DDNSUpdateError(_("Server response: %s") % output
)
228 class DDNSResponseParserXML(object):
230 This class provides a parser for XML responses which
231 will be sent by various providers. This class uses the python
232 shipped XML minidom module to walk through the XML tree and return
236 def get_xml_tag_value(self
, document
, content
):
237 # Send input to the parser.
238 xmldoc
= xml
.dom
.minidom
.parseString(document
)
240 # Get XML elements by the given content.
241 element
= xmldoc
.getElementsByTagName(content
)
243 # If no element has been found, we directly can return None.
247 # Only get the first child from an element, even there are more than one.
248 firstchild
= element
[0].firstChild
250 # Get the value of the child.
251 value
= firstchild
.nodeValue
257 class DDNSProviderAllInkl(DDNSProvider
):
258 handle
= "all-inkl.com"
259 name
= "All-inkl.com"
260 website
= "http://all-inkl.com/"
261 protocols
= ("ipv4",)
263 # There are only information provided by the vendor how to
264 # perform an update on a FRITZ Box. Grab requried informations
266 # http://all-inkl.goetze.it/v01/ddns-mit-einfachen-mitteln/
268 url
= "http://dyndns.kasserver.com"
271 # There is no additional data required so we directly can
273 response
= self
.send_request(self
.url
, username
=self
.username
, password
=self
.password
)
275 # Get the full response message.
276 output
= response
.read()
278 # Handle success messages.
279 if output
.startswith("good") or output
.startswith("nochg"):
282 # If we got here, some other update error happened.
283 raise DDNSUpdateError
286 class DDNSProviderBindNsupdate(DDNSProvider
):
288 name
= "BIND nsupdate utility"
289 website
= "http://en.wikipedia.org/wiki/Nsupdate"
294 scriptlet
= self
.__make
_scriptlet
()
296 # -v enables TCP hence we transfer keys and other data that may
297 # exceed the size of one packet.
298 # -t sets the timeout
299 command
= ["nsupdate", "-v", "-t", "60"]
301 p
= subprocess
.Popen(command
, shell
=True,
302 stdin
=subprocess
.PIPE
, stdout
=subprocess
.PIPE
, stderr
=subprocess
.PIPE
,
304 stdout
, stderr
= p
.communicate(scriptlet
)
306 if p
.returncode
== 0:
309 raise DDNSError("nsupdate terminated with error code: %s\n %s" % (p
.returncode
, stderr
))
311 def __make_scriptlet(self
):
314 # Set a different server the update is sent to.
315 server
= self
.get("server", None)
317 scriptlet
.append("server %s" % server
)
319 key
= self
.get("key", None)
321 secret
= self
.get("secret")
323 scriptlet
.append("key %s %s" % (key
, secret
))
325 ttl
= self
.get("ttl", self
.DEFAULT_TTL
)
327 # Perform an update for each supported protocol.
328 for rrtype
, proto
in (("AAAA", "ipv6"), ("A", "ipv4")):
329 address
= self
.get_address(proto
)
333 scriptlet
.append("update delete %s. %s" % (self
.hostname
, rrtype
))
334 scriptlet
.append("update add %s. %s %s %s" % \
335 (self
.hostname
, ttl
, rrtype
, address
))
337 # Send the actions to the server.
338 scriptlet
.append("send")
339 scriptlet
.append("quit")
341 logger
.debug(_("Scriptlet:"))
342 for line
in scriptlet
:
343 # Masquerade the line with the secret key.
344 if line
.startswith("key"):
345 line
= "key **** ****"
347 logger
.debug(" %s" % line
)
349 return "\n".join(scriptlet
)
352 class DDNSProviderDHS(DDNSProvider
):
354 name
= "DHS International"
355 website
= "http://dhs.org/"
356 protocols
= ("ipv4",)
358 # No information about the used update api provided on webpage,
359 # grabed from source code of ez-ipudate.
361 url
= "http://members.dhs.org/nic/hosts"
365 "domain" : self
.hostname
,
366 "ip" : self
.get_address("ipv4"),
368 "hostcmdstage" : "2",
372 # Send update to the server.
373 response
= self
.send_request(self
.url
, username
=self
.username
, password
=self
.password
,
376 # Handle success messages.
377 if response
.code
== 200:
380 # If we got here, some other update error happened.
381 raise DDNSUpdateError
384 class DDNSProviderDNSpark(DDNSProvider
):
385 handle
= "dnspark.com"
387 website
= "http://dnspark.com/"
388 protocols
= ("ipv4",)
390 # Informations to the used api can be found here:
391 # https://dnspark.zendesk.com/entries/31229348-Dynamic-DNS-API-Documentation
393 url
= "https://control.dnspark.com/api/dynamic/update.php"
397 "domain" : self
.hostname
,
398 "ip" : self
.get_address("ipv4"),
401 # Send update to the server.
402 response
= self
.send_request(self
.url
, username
=self
.username
, password
=self
.password
,
405 # Get the full response message.
406 output
= response
.read()
408 # Handle success messages.
409 if output
.startswith("ok") or output
.startswith("nochange"):
412 # Handle error codes.
413 if output
== "unauth":
414 raise DDNSAuthenticationError
415 elif output
== "abuse":
417 elif output
== "blocked":
418 raise DDNSBlockedError
419 elif output
== "nofqdn":
420 raise DDNSRequestError(_("No valid FQDN was given."))
421 elif output
== "nohost":
422 raise DDNSRequestError(_("Invalid hostname specified."))
423 elif output
== "notdyn":
424 raise DDNSRequestError(_("Hostname not marked as a dynamic host."))
425 elif output
== "invalid":
426 raise DDNSRequestError(_("Invalid IP address has been sent."))
428 # If we got here, some other update error happened.
429 raise DDNSUpdateError
432 class DDNSProviderDtDNS(DDNSProvider
):
435 website
= "http://dtdns.com/"
436 protocols
= ("ipv4",)
438 # Information about the format of the HTTPS request is to be found
439 # http://www.dtdns.com/dtsite/updatespec
441 url
= "https://www.dtdns.com/api/autodns.cfm"
445 "ip" : self
.get_address("ipv4"),
446 "id" : self
.hostname
,
450 # Send update to the server.
451 response
= self
.send_request(self
.url
, data
=data
)
453 # Get the full response message.
454 output
= response
.read()
456 # Remove all leading and trailing whitespace.
457 output
= output
.strip()
459 # Handle success messages.
460 if "now points to" in output
:
463 # Handle error codes.
464 if output
== "No hostname to update was supplied.":
465 raise DDNSRequestError(_("No hostname specified."))
467 elif output
== "The hostname you supplied is not valid.":
468 raise DDNSRequestError(_("Invalid hostname specified."))
470 elif output
== "The password you supplied is not valid.":
471 raise DDNSAuthenticationError
473 elif output
== "Administration has disabled this account.":
474 raise DDNSRequestError(_("Account has been disabled."))
476 elif output
== "Illegal character in IP.":
477 raise DDNSRequestError(_("Invalid IP address has been sent."))
479 elif output
== "Too many failed requests.":
480 raise DDNSRequestError(_("Too many failed requests."))
482 # If we got here, some other update error happened.
483 raise DDNSUpdateError
486 class DDNSProviderDynDNS(DDNSProtocolDynDNS2
, DDNSProvider
):
487 handle
= "dyndns.org"
489 website
= "http://dyn.com/dns/"
490 protocols
= ("ipv4",)
492 # Information about the format of the request is to be found
493 # http://http://dyn.com/support/developers/api/perform-update/
494 # http://dyn.com/support/developers/api/return-codes/
496 url
= "https://members.dyndns.org/nic/update"
499 class DDNSProviderDynU(DDNSProtocolDynDNS2
, DDNSProvider
):
502 website
= "http://dynu.com/"
503 protocols
= ("ipv6", "ipv4",)
505 # Detailed information about the request and response codes
506 # are available on the providers webpage.
507 # http://dynu.com/Default.aspx?page=dnsapi
509 url
= "https://api.dynu.com/nic/update"
511 def _prepare_request_data(self
):
512 data
= DDNSProviderDynDNS
._prepare
_request
_data
(self
)
514 # This one supports IPv6
516 "myipv6" : self
.get_address("ipv6"),
522 class DDNSProviderEasyDNS(DDNSProtocolDynDNS2
, DDNSProvider
):
523 handle
= "easydns.com"
525 website
= "http://www.easydns.com/"
526 protocols
= ("ipv4",)
528 # There is only some basic documentation provided by the vendor,
529 # also searching the web gain very poor results.
530 # http://mediawiki.easydns.com/index.php/Dynamic_DNS
532 url
= "http://api.cp.easydns.com/dyn/tomato.php"
535 class DDNSProviderEnomCom(DDNSResponseParserXML
, DDNSProvider
):
538 website
= "http://www.enom.com/"
540 # There are very detailed information about how to send an update request and
542 # http://www.enom.com/APICommandCatalog/
544 url
= "https://dynamic.name-services.com/interface.asp"
548 "command" : "setdnshost",
549 "responsetype" : "xml",
550 "address" : self
.get_address("ipv4"),
551 "domainpassword" : self
.password
,
552 "zone" : self
.hostname
555 # Send update to the server.
556 response
= self
.send_request(self
.url
, data
=data
)
558 # Get the full response message.
559 output
= response
.read()
561 # Handle success messages.
562 if self
.get_xml_tag_value(output
, "ErrCount") == "0":
565 # Handle error codes.
566 errorcode
= self
.get_xml_tag_value(output
, "ResponseNumber")
568 if errorcode
== "304155":
569 raise DDNSAuthenticationError
570 elif errorcode
== "304153":
571 raise DDNSRequestError(_("Domain not found."))
573 # If we got here, some other update error happened.
574 raise DDNSUpdateError
577 class DDNSProviderFreeDNSAfraidOrg(DDNSProvider
):
578 handle
= "freedns.afraid.org"
579 name
= "freedns.afraid.org"
580 website
= "http://freedns.afraid.org/"
582 # No information about the request or response could be found on the vendor
583 # page. All used values have been collected by testing.
584 url
= "https://freedns.afraid.org/dynamic/update.php"
588 return self
.get("proto")
591 address
= self
.get_address(self
.proto
)
597 # Add auth token to the update url.
598 url
= "%s?%s" % (self
.url
, self
.token
)
600 # Send update to the server.
601 response
= self
.send_request(url
, data
=data
)
603 if output
.startswith("Updated") or "has not changed" in output
:
606 # Handle error codes.
607 if output
== "ERROR: Unable to locate this record":
608 raise DDNSAuthenticationError
609 elif "is an invalid IP address" in output
:
610 raise DDNSRequestError(_("Invalid IP address has been sent."))
612 # If we got here, some other update error happened.
613 raise DDNSUpdateError
616 class DDNSProviderLightningWireLabs(DDNSProvider
):
617 handle
= "dns.lightningwirelabs.com"
618 name
= "Lightning Wire Labs DNS Service"
619 website
= "http://dns.lightningwirelabs.com/"
621 # Information about the format of the HTTPS request is to be found
622 # https://dns.lightningwirelabs.com/knowledge-base/api/ddns
624 url
= "https://dns.lightningwirelabs.com/update"
628 "hostname" : self
.hostname
,
629 "address6" : self
.get_address("ipv6", "-"),
630 "address4" : self
.get_address("ipv4", "-"),
633 # Check if a token has been set.
635 data
["token"] = self
.token
637 # Check for username and password.
638 elif self
.username
and self
.password
:
640 "username" : self
.username
,
641 "password" : self
.password
,
644 # Raise an error if no auth details are given.
646 raise DDNSConfigurationError
648 # Send update to the server.
649 response
= self
.send_request(self
.url
, data
=data
)
651 # Handle success messages.
652 if response
.code
== 200:
655 # If we got here, some other update error happened.
656 raise DDNSUpdateError
659 class DDNSProviderNamecheap(DDNSResponseParserXML
, DDNSProvider
):
660 handle
= "namecheap.com"
662 website
= "http://namecheap.com"
663 protocols
= ("ipv4",)
665 # Information about the format of the HTTP request is to be found
666 # https://www.namecheap.com/support/knowledgebase/article.aspx/9249/0/nc-dynamic-dns-to-dyndns-adapter
667 # https://community.namecheap.com/forums/viewtopic.php?f=6&t=6772
669 url
= "https://dynamicdns.park-your-domain.com/update"
672 # Namecheap requires the hostname splitted into a host and domain part.
673 host
, domain
= self
.hostname
.split(".", 1)
676 "ip" : self
.get_address("ipv4"),
677 "password" : self
.password
,
682 # Send update to the server.
683 response
= self
.send_request(self
.url
, data
=data
)
685 # Get the full response message.
686 output
= response
.read()
688 # Handle success messages.
689 if self
.get_xml_tag_value(output
, "IP") == self
.get_address("ipv4"):
692 # Handle error codes.
693 errorcode
= self
.get_xml_tag_value(output
, "ResponseNumber")
695 if errorcode
== "304156":
696 raise DDNSAuthenticationError
697 elif errorcode
== "316153":
698 raise DDNSRequestError(_("Domain not found."))
699 elif errorcode
== "316154":
700 raise DDNSRequestError(_("Domain not active."))
701 elif errorcode
in ("380098", "380099"):
702 raise DDNSInternalServerError
704 # If we got here, some other update error happened.
705 raise DDNSUpdateError
708 class DDNSProviderNOIP(DDNSProtocolDynDNS2
, DDNSProvider
):
711 website
= "http://www.no-ip.com/"
712 protocols
= ("ipv4",)
714 # Information about the format of the HTTP request is to be found
715 # here: http://www.no-ip.com/integrate/request and
716 # here: http://www.no-ip.com/integrate/response
718 url
= "http://dynupdate.no-ip.com/nic/update"
720 def _prepare_request_data(self
):
722 "hostname" : self
.hostname
,
723 "address" : self
.get_address("ipv4"),
729 class DDNSProviderOVH(DDNSProtocolDynDNS2
, DDNSProvider
):
732 website
= "http://www.ovh.com/"
733 protocols
= ("ipv4",)
735 # OVH only provides very limited information about how to
736 # update a DynDNS host. They only provide the update url
737 # on the their german subpage.
739 # http://hilfe.ovh.de/DomainDynHost
741 url
= "https://www.ovh.com/nic/update"
743 def _prepare_request_data(self
):
744 data
= DDNSProtocolDynDNS2
._prepare_request_data(self
)
752 class DDNSProviderRegfish(DDNSProvider
):
753 handle
= "regfish.com"
754 name
= "Regfish GmbH"
755 website
= "http://www.regfish.com/"
757 # A full documentation to the providers api can be found here
758 # but is only available in german.
759 # https://www.regfish.de/domains/dyndns/dokumentation
761 url
= "https://dyndns.regfish.de/"
765 "fqdn" : self
.hostname
,
768 # Check if we update an IPv6 address.
769 address6
= self
.get_address("ipv6")
771 data
["ipv6"] = address6
773 # Check if we update an IPv4 address.
774 address4
= self
.get_address("ipv4")
776 data
["ipv4"] = address4
778 # Raise an error if none address is given.
779 if not data
.has_key("ipv6") and not data
.has_key("ipv4"):
780 raise DDNSConfigurationError
782 # Check if a token has been set.
784 data
["token"] = self
.token
786 # Raise an error if no token and no useranem and password
788 elif not self
.username
and not self
.password
:
789 raise DDNSConfigurationError(_("No Auth details specified."))
791 # HTTP Basic Auth is only allowed if no token is used.
793 # Send update to the server.
794 response
= self
.send_request(self
.url
, data
=data
)
796 # Send update to the server.
797 response
= self
.send_request(self
.url
, username
=self
.username
, password
=self
.password
,
800 # Get the full response message.
801 output
= response
.read()
803 # Handle success messages.
804 if "100" in output
or "101" in output
:
807 # Handle error codes.
808 if "401" or "402" in output
:
809 raise DDNSAuthenticationError
810 elif "408" in output
:
811 raise DDNSRequestError(_("Invalid IPv4 address has been sent."))
812 elif "409" in output
:
813 raise DDNSRequestError(_("Invalid IPv6 address has been sent."))
814 elif "412" in output
:
815 raise DDNSRequestError(_("No valid FQDN was given."))
816 elif "414" in output
:
817 raise DDNSInternalServerError
819 # If we got here, some other update error happened.
820 raise DDNSUpdateError
823 class DDNSProviderSelfhost(DDNSProtocolDynDNS2
, DDNSProvider
):
824 handle
= "selfhost.de"
826 website
= "http://www.selfhost.de/"
827 protocols
= ("ipv4",)
829 url
= "https://carol.selfhost.de/nic/update"
831 def _prepare_request_data(self
):
832 data
= DDNSProviderDynDNS
._prepare
_request
_data
(self
)
840 class DDNSProviderSPDNS(DDNSProtocolDynDNS2
, DDNSProvider
):
843 website
= "http://spdns.org/"
844 protocols
= ("ipv4",)
846 # Detailed information about request and response codes are provided
847 # by the vendor. They are using almost the same mechanism and status
848 # codes as dyndns.org so we can inherit all those stuff.
850 # http://wiki.securepoint.de/index.php/SPDNS_FAQ
851 # http://wiki.securepoint.de/index.php/SPDNS_Update-Tokens
853 url
= "https://update.spdns.de/nic/update"
856 class DDNSProviderStrato(DDNSProtocolDynDNS2
, DDNSProvider
):
857 handle
= "strato.com"
859 website
= "http:/www.strato.com/"
860 protocols
= ("ipv4",)
862 # Information about the request and response can be obtained here:
863 # http://www.strato-faq.de/article/671/So-einfach-richten-Sie-DynDNS-f%C3%BCr-Ihre-Domains-ein.html
865 url
= "https://dyndns.strato.com/nic/update"
868 class DDNSProviderTwoDNS(DDNSProtocolDynDNS2
, DDNSProvider
):
871 website
= "http://www.twodns.de"
872 protocols
= ("ipv4",)
874 # Detailed information about the request can be found here
875 # http://twodns.de/en/faqs
876 # http://twodns.de/en/api
878 url
= "https://update.twodns.de/update"
880 def _prepare_request_data(self
):
882 "ip" : self
.get_address("ipv4"),
883 "hostname" : self
.hostname
889 class DDNSProviderUdmedia(DDNSProtocolDynDNS2
, DDNSProvider
):
890 handle
= "udmedia.de"
891 name
= "Udmedia GmbH"
892 website
= "http://www.udmedia.de"
893 protocols
= ("ipv4",)
895 # Information about the request can be found here
896 # http://www.udmedia.de/faq/content/47/288/de/wie-lege-ich-einen-dyndns_eintrag-an.html
898 url
= "https://www.udmedia.de/nic/update"
901 class DDNSProviderVariomedia(DDNSProtocolDynDNS2
, DDNSProvider
):
902 handle
= "variomedia.de"
904 website
= "http://www.variomedia.de/"
905 protocols
= ("ipv6", "ipv4",)
907 # Detailed information about the request can be found here
908 # https://dyndns.variomedia.de/
910 url
= "https://dyndns.variomedia.de/nic/update"
914 return self
.get("proto")
916 def _prepare_request_data(self
):
918 "hostname" : self
.hostname
,
919 "myip" : self
.get_address(self
.proto
)
925 class DDNSProviderZoneedit(DDNSProtocolDynDNS2
, DDNSProvider
):
926 handle
= "zoneedit.com"
928 website
= "http://www.zoneedit.com"
929 protocols
= ("ipv4",)
931 # Detailed information about the request and the response codes can be
933 # http://www.zoneedit.com/doc/api/other.html
934 # http://www.zoneedit.com/faq.html
936 url
= "https://dynamic.zoneedit.com/auth/dynamic.html"
940 return self
.get("proto")
944 "dnsto" : self
.get_address(self
.proto
),
945 "host" : self
.hostname
948 # Send update to the server.
949 response
= self
.send_request(self
.url
, username
=self
.username
, password
=self
.password
,
952 # Get the full response message.
953 output
= response
.read()
955 # Handle success messages.
956 if output
.startswith("<SUCCESS"):
959 # Handle error codes.
960 if output
.startswith("invalid login"):
961 raise DDNSAuthenticationError
962 elif output
.startswith("<ERROR CODE=\"704\""):
963 raise DDNSRequestError(_("No valid FQDN was given."))
964 elif output
.startswith("<ERROR CODE=\"702\""):
965 raise DDNSInternalServerError
967 # If we got here, some other update error happened.
968 raise DDNSUpdateError