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