From f1332a16eb455eccaf7df1298960bdb0bcde9bcf Mon Sep 17 00:00:00 2001
From: Stefan Schantl <stefan.schantl@ipfire.org>
Date: Sat, 24 Jan 2015 15:01:24 +0100
Subject: [PATCH] Add ddnss.de as new provider.

---
 README                |  1 +
 ddns.conf.sample      |  8 ++++++
 src/ddns/providers.py | 66 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 75 insertions(+)

diff --git a/README b/README
index 6a06f4b..69d7e7f 100644
--- a/README
+++ b/README
@@ -50,6 +50,7 @@ INSTALLATION:
 SUPPORTED PROVIDERS:
 	all-inkl.com
 	changeip.com
+	ddnss.de
 	dhs.org
 	dns.lightningwirelabs.com
 	dnspark.com
diff --git a/ddns.conf.sample b/ddns.conf.sample
index 0048a46..7ada339 100644
--- a/ddns.conf.sample
+++ b/ddns.conf.sample
@@ -35,6 +35,14 @@
 # username = user
 # password = pass
 
+# [test.ddnss.de]
+# provider = ddnss.de
+#
+# Only use one of these two auth options.
+# token = token
+# username = user
+# password = pass
+
 # [test.dhs.org]
 # provider = dhs.org
 # username = user
diff --git a/src/ddns/providers.py b/src/ddns/providers.py
index 9d6f6ee..b30827c 100644
--- a/src/ddns/providers.py
+++ b/src/ddns/providers.py
@@ -577,6 +577,72 @@ class DDNSProviderChangeIP(DDNSProvider):
 		raise DDNSUpdateError(_("Server response: %s") % output)
 
 
+class DDNSProviderDDNSS(DDNSProvider):
+	handle    = "ddnss.de"
+	name      = "DDNSS"
+	website   = "http://www.ddnss.de"
+	protocols = ("ipv4",)
+
+	# Detailed information about how to send the update request and possible response
+	# codes can be obtained from here.
+	# http://www.ddnss.de/info.php
+	# http://www.megacomputing.de/2014/08/dyndns-service-response-time/#more-919
+
+	url = "http://www.ddnss.de/upd.php"
+	can_remove_records = False
+
+	def update_protocol(self, proto):
+		data = {
+			"ip"   : self.get_address(proto),
+			"host" : self.hostname,
+		}
+
+		# Check if a token has been set.
+		if self.token:
+			data["key"] = self.token
+
+		# Check if username and hostname are given.
+		elif self.username and self.password:
+			data.update({
+				"user" : self.username,
+				"pwd"  : self.password,
+			})
+
+		# Raise an error if no auth details are given.
+		else:
+			raise DDNSConfigurationError
+
+		# Send update to the server.
+		response = self.send_request(self.url, data=data)
+
+		# This provider sends the response code as part of the header.
+		header = response.info()
+
+		# Get status information from the header.
+		output = header.getheader('ddnss-response')
+
+		# Handle success messages.
+		if output == "good" or output == "nochg":
+			return
+
+		# Handle error codes.
+		if output == "badauth":
+			raise DDNSAuthenticationError
+		elif output == "notfqdn":
+			raise DDNSRequestError(_("No valid FQDN was given."))
+		elif output == "nohost":
+			raise DDNSRequestError(_("Specified host does not exist."))
+		elif output == "911":
+			raise DDNSInternalServerError
+		elif output == "dnserr":
+			raise DDNSInternalServerError(_("DNS error encountered."))
+		elif output == "disabled":
+			raise DDNSRequestError(_("Account disabled or locked."))
+
+		# If we got here, some other update error happened.
+		raise DDNSUpdateError
+
+
 class DDNSProviderDHS(DDNSProvider):
 	handle    = "dhs.org"
 	name      = "DHS International"
-- 
2.39.2