34 lines
1.1 KiB
Python
34 lines
1.1 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright 2012 Nebula, Inc.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
import re
|
|
|
|
from django.core import validators
|
|
from django.core.exceptions import ValidationError
|
|
|
|
|
|
ipv4_cidr_re = re.compile(r'^(25[0-5]|2[0-4]\d|[0-1]?\d?\d)' # 0-255
|
|
'(\.(25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}' # 3x .0-255
|
|
'/(3[0-2]|[1-2]?\d)$') # /0-32
|
|
|
|
|
|
validate_ipv4_cidr = validators.RegexValidator(ipv4_cidr_re)
|
|
|
|
|
|
def validate_port_range(port):
|
|
if port not in range(-1, 65535):
|
|
raise ValidationError(u'%d is not a valid port number' % port)
|