Validate SSHFP records

Change-Id: Ied419f7ff7f6f66a1ec759d287d04934c44ad4da
This commit is contained in:
Endre Karlson 2015-03-09 14:26:30 +01:00
parent 94c73ac87c
commit 706ef93df0

View File

@ -33,6 +33,7 @@ DOMAIN_NAME_REGEX = r'^(?!.{255,})(?:(?!\-)[A-Za-z0-9_\-]{1,63}(?<!\-)\.)+$'
WILDCARD_DOMAIN_NAME_REGEX = r'^(?!.{255,})(?:(^\*|(?!\-)[A-Za-z0-9_\-]{1,63})(?<!\-)\.)+$' # noqa
SRV_NAME_REGEX = r'^(?:_[A-Za-z0-9_\-]{1,62}\.){2}'
SRV_DATA_REGEX = r'^(?:(?:6553[0-5]|655[0-2][0-9]|65[0-4][0-9]{2}|6[0-4][0-9]{3}|[1-5][0-9]{4}|[1-9][0-9]{1,3}|[0-9])\s){2}(?!.{255,})((?!\-)[A-Za-z0-9_\-]{1,63}(?<!\-)\.)+$' # noqa
SSHFP_DATA_REGEX = r'^[1-3]\s[1-2]\s\b([0-9a-fA-F]{5,40}|[0-9a-fA-F]{64})\b$'
def handle_exc(func):
@ -379,6 +380,12 @@ class RecordForm(forms.SelfHandlingForm):
if record_type == 'TXT':
cleaned_data['data'] = cleaned_data['txt']
if record_type == 'SSHFP':
if not re.match(SSHFP_DATA_REGEX, cleaned_data['txt']):
self._add_field_error('txt',
_('Enter a valid SSHFP record'))
cleaned_data['data'] = cleaned_data['txt']
cleaned_data.pop('txt')
# Priority field