Allow port numbers for idnsForwarders

Let user enter custom ports for zone conditional forwarders or
global forwarders in dnsconfig. Ports can be specified in
a standard BIND format: IP_ADDRESS [port PORT]

https://fedorahosted.org/freeipa/ticket/2462

freeipa.spec.in

@@ -160,8 +160,8 @@ Requires(postun): python initscripts chkconfig
 # We have a soft-requires on bind. It is an optional part of
 # IPA but if it is configured we need a way to require versions
 # that work for us.
-Conflicts: bind-dyndb-ldap < 1.1.0-0.8.a2
-Conflicts: bind < 9.8.1-1
+Conflicts: bind-dyndb-ldap < 1.1.0-0.9.b1
+Conflicts: bind < 9.8.2-0.4.rc2
 
 # mod_proxy provides a single API to communicate over SSL. If mod_ssl
 # is even loaded into Apache then it grabs this interface.
@@ -686,6 +686,9 @@ fi
 
 %changelog
 
+* Wed Mar 19 2012 Martin Kosek <mkosek@redhat.com> - 2.99.0-23
+- Set min for bind-dyndb-ldap and bind to pick up new features and bug fixes
+
 * Thu Mar 1 2012 Jan Cholasta <jcholast@redhat.com> - 2.99.0-22
 - Set min nvr of sssd to 1.8.0 for SSH support
 - Add BuildRequires on sssd >= 1.8.0

ipalib/plugins/dns.py

@@ -348,6 +348,24 @@ def _dns_record_name_validator(ugettext, value):
     except ValueError, e:
         return unicode(e)
 
+def _validate_bind_forwarder(ugettext, forwarder):
+    ip_address, sep, port = forwarder.partition(u' port ')
+
+    ip_address_validation = _validate_ipaddr(ugettext, ip_address)
+
+    if ip_address_validation is not None:
+        return ip_address_validation
+
+    if sep:
+        try:
+            port = int(port)
+            if port < 0 or port > 65535:
+                raise ValueError()
+        except ValueError:
+            return _('%(port)s is not a valid port' % dict(port=port))
+
+    return None
+
 def _domain_name_validator(ugettext, value):
     try:
         validate_domain_name(value)
@@ -1614,10 +1632,11 @@ class dnszone(LDAPObject):
             autofill=True,
         ),
         Str('idnsforwarders*',
-            _validate_ipaddr,
+            _validate_bind_forwarder,
             cli_name='forwarder',
             label=_('Zone forwarders'),
-            doc=_('A list of zone forwarders'),
+            doc=_('A list of global forwarders. A custom port can be specified ' \
+                  'for each forwarder using a standard format "IP_ADDRESS port PORT"'),
             csv=True,
         ),
         StrEnum('idnsforwardpolicy?',
@@ -2628,10 +2647,11 @@ class dnsconfig(LDAPObject):
 
     takes_params = (
         Str('idnsforwarders*',
-            _validate_ipaddr,
+            _validate_bind_forwarder,
             cli_name='forwarder',
             label=_('Global forwarders'),
-            doc=_('A list of global forwarders'),
+            doc=_('A list of global forwarders. A custom port can be specified ' \
+                  'for each forwarder using a standard format "IP_ADDRESS port PORT"'),
             csv=True,
         ),
     )