From 3a02c31b5bc271f215faf5a7bdb0b4c6c21ef7d6 Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Sun, 29 Jul 2018 19:55:32 +0200
Subject: T758: add configuration validator

---
 src/conf_mode/dynamic_dns.py | 43 ++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 42 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/conf_mode/dynamic_dns.py b/src/conf_mode/dynamic_dns.py
index fa1102a90..aabd2c499 100755
--- a/src/conf_mode/dynamic_dns.py
+++ b/src/conf_mode/dynamic_dns.py
@@ -138,12 +138,15 @@ def get_config():
                 'login': '',
                 'password': '',
                 'protocol': '',
-                'server': ''
+                'server': '',
+                'custom' : False
             }
             
             # preload protocol from default service mapping
             if service in default_service_protocol.keys():
                 srv['protocol'] = default_service_protocol[service]
+            else:
+                srv['custom'] = True
 
             if conf.exists('service {0} login'.format(service)):
                 srv['login'] = conf.return_value('service {0} login'.format(service))
@@ -178,6 +181,44 @@ def verify(dyndns):
     if dyndns is None:
         return None
 
+    # A 'node' corresponds to an interface
+    for node in dyndns['interfaces']:
+
+        # RFC2136 - configuration validation
+        for rfc2136 in node['rfc2136']:
+            if not rfc2136['record']:
+                raise ConfigError('Set key for service "{0}" to send DDNS updates for interface "{1}"'.format(rfc2136['name'], node['interface']))
+
+            if not rfc2136['zone']:
+                raise ConfigError('Set zone for service "{0}" to send DDNS updates for interface "{1}"'.format(rfc2136['name'], node['interface']))
+
+            if not rfc2136['keyfile']:
+                raise ConfigError('Set keyfile for service "{0}" to send DDNS updates for interface "{1}"'.format(rfc2136['name'], node['interface']))
+            else:
+                if not os.path.isfile(rfc2136['keyfile']):
+                    raise ConfigError('Keyfile for service "{0}" to send DDNS updates for interface "{1}" does not exist'.format(rfc2136['name'], node['interface']))
+
+            if not rfc2136['server']:
+                raise ConfigError('Set server for service "{0}" to send DDNS updates for interface "{1}"'.format(rfc2136['name'], node['interface']))
+
+        # DynDNS service provider - configuration validation
+        for service in node['service']:
+            if not service['host']:
+                raise ConfigError('Set host-name for service "{0}" to send DDNS updates for interface "{1}"'.format(service['provider'], node['interface']))
+
+            if not service['login']:
+                raise ConfigError('Set login for service "{0}" to send DDNS updates for interface "{1}"'.format(service['provider'], node['interface']))
+
+            if not service['password']:
+                raise ConfigError('Set password for service "{0}" to send DDNS updates for interface "{1}"'.format(service['provider'], node['interface']))
+
+            if service['custom'] is True:
+                if not service['protocol']:
+                    raise ConfigError('Set protocol for service "{0}" to send DDNS updates for interface "{1}"'.format(service['provider'], node['interface']))
+
+                if not service['server']:
+                    raise ConfigError('Set server for service "{0}" to send DDNS updates for interface "{1}"'.format(service['provider'], node['interface']))
+
     return None
 
 def generate(dyndns):
-- 
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