From: Philipp Spitzer <philipp@spitzer.priv.at>
Date: Tue, 8 Apr 2014 18:21:56 +0000 (+0200)
Subject: Now HTTP_X_FORWARDED_FOR and REMOTE_ADDR are used if ip address is missing.
X-Git-Tag: 0.0.2~9
X-Git-Url: https://git.toastfreeware.priv.at/toast/tdyndns.git/commitdiff_plain/48ccb7a98ed6293168386b0fd4ee833acd91937d

Now HTTP_X_FORWARDED_FOR and REMOTE_ADDR are used if ip address is missing.
---

diff --git a/cgi-bin/dyndns.py b/cgi-bin/dyndns.py
index 1d3e2d2..417c27a 100755
--- a/cgi-bin/dyndns.py
+++ b/cgi-bin/dyndns.py
@@ -148,7 +148,13 @@ try:
 	# check IP address
 	if not offline:
 		if myip is None:
-			raise MyipMissing()
+			# try HTTP_X_FORWARDED_FOR
+			myip = os.environ.get('HTTP_X_FORWARDED_FOR')
+			if not myip: # empty string if not present
+				# try REMOTE_ADDR
+				myip = os.environ.get('REMOTE_ADDR')
+				if not myip: # empty string if not present
+					raise MyipMissing()
 		try:
 			ip = ipaddr.IPAddress(myip) # throws an exception if the IP address is not valid
 		except ValueError: