From bfed6701c10d1ba7370a275cc0f43cf2b72fd32b Mon Sep 17 00:00:00 2001
From: Stefan Schantl <stefan.schantl@ipfire.org>
Date: Sat, 14 Jun 2014 18:50:32 +0200
Subject: [PATCH] Add DynDNS as new provider.

---
 ddns.conf.sample      |  5 +++++
 src/ddns/__init__.py  |  1 +
 src/ddns/providers.py | 48 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 54 insertions(+)

diff --git a/ddns.conf.sample b/ddns.conf.sample
index 9ac67e4..bb0e839 100644
--- a/ddns.conf.sample
+++ b/ddns.conf.sample
@@ -29,6 +29,11 @@
 # provider = dtdns.org
 # password = pass
 
+# [test.dyndns.org]
+# provider = dnydns.org
+# username = user
+# password = pass
+
 # [test.no-ip.org]
 # provider = no-ip.com
 # username = user
diff --git a/src/ddns/__init__.py b/src/ddns/__init__.py
index e728c37..5172832 100644
--- a/src/ddns/__init__.py
+++ b/src/ddns/__init__.py
@@ -94,6 +94,7 @@ class DDNSCore(object):
 			DDNSProviderDHS,
 			DDNSProviderDNSpark,
 			DDNSProviderDtDNS,
+			DDNSProviderDynDNS,
 			DDNSProviderNOIP,
 			DDNSProviderLightningWireLabs,
 			DDNSProviderSelfhost,
diff --git a/src/ddns/providers.py b/src/ddns/providers.py
index 2788c97..545e731 100644
--- a/src/ddns/providers.py
+++ b/src/ddns/providers.py
@@ -312,6 +312,54 @@ class DDNSProviderDtDNS(DDNSProvider):
 		raise DDNSUpdateError
 
 
+class DDNSProviderDynDNS(DDNSProvider):
+	INFO = {
+		"handle"    : "dyndns.org",
+		"name"      : "Dyn",
+		"website"   : "http://dyn.com/dns/",
+		"protocols" : ["ipv4",]
+	}
+
+	# Information about the format of the request is to be found
+	# http://http://dyn.com/support/developers/api/perform-update/
+	# http://dyn.com/support/developers/api/return-codes/
+	url = "https://members.dyndns.org/nic/update"
+
+	def update(self):
+		data = {
+			"hostname" : self.hostname,
+			"myip"     : self.get_address("ipv4"),
+		}
+
+		# Send update to the server.
+		response = self.send_request(self.url, username=self.username, password=self.password,
+			data=data)
+
+		# Get the full response message.
+		output = response.read()
+
+		# Handle success messages.
+		if output.startswith("good") or output.startswith("nochg"):
+			return
+
+		# Handle error codes.
+		if output == "badauth":
+			raise DDNSAuthenticationError
+		elif output == "aduse":
+			raise DDNSAbuseError
+		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."))
+
+		# If we got here, some other update error happened.
+		raise DDNSUpdateError
+
+
 class DDNSProviderLightningWireLabs(DDNSProvider):
 	INFO = {
 		"handle"    : "dns.lightningwirelabs.com",
-- 
2.39.2