Initial commit

1 files changed, 61 insertions, 0 deletions

diff --git a/ddns/main.py b/ddns/main.py
new file mode 100755
index 0000000..5ee6eaa
--- /dev/null
+++ b/ddns/main.py
@@ -0,0 +1,61 @@
+#!/usr/bin/env python
+
+from flask import Flask, request, Response
+import ddns
+import cfg_parser
+import auth
+from IPy import IP
+
+cfg_file="/srv/http/lden.org/ddns/ddns/ddns.cfg"
+cfg = cfg_parser.read_config(cfg_file)
+
+auth.auth_cfg = cfg['users']
+ddns.zone_cfg = cfg['zones']
+ddns.gen_keyring(cfg['dnskeys'])
+
+app = Flask(__name__)
+
+@app.route("/nic/update")
+@auth.require_auth
+def dyndns():
+	if request.method != 'GET':
+		return "badagent"
+
+	if not request.args.has_key('hostname'):
+		return "nohost"
+
+	if len(request.args.getlist('hostname')) > 1:
+		return "numhost"
+
+	if not request.args.has_key('myip'):
+		return "nohost"
+
+	hostname = request.args.get('hostname')
+	if not '.' in hostname:
+		return "notfqdn"
+
+	zone_name = hostname[hostname.find('.')+1:]
+	if zone_name[-1] != '.':
+		zone_name += '.'
+
+	hostname = hostname[0:hostname.find('.')]
+
+	try:
+		ip = IP(request.args.get('myip'))
+	except ValueError:
+		return "nohost"
+
+	for zone in cfg['zones']:
+		if zone_name == zone['name']:
+			for domain in zone['domains']:
+				if domain['domain'] == hostname:
+					for user in domain['users']:
+						if request.authorization.username == user['username']:
+							ddns.update_dns(zone_name, hostname, ip)
+							return "good"
+					return auth.authenticate("!yours")
+			return "nohost"
+	return "nohost"
+
+if __name__ == "__main__":
+	app.run(host="0.0.0.0", debug=True)