126 lines
5.1 KiB
Python
126 lines
5.1 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2017-2018 Team tiramisu (see AUTHORS for all contributors)
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by the
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# Free Software Foundation, either version 3 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# The original `Config` design model is unproudly borrowed from
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# the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
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# the whole pypy projet is under MIT licence
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# ____________________________________________________________
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from IPy import IP
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from ..error import ConfigError
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from ..setting import undefined
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from ..i18n import _
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from .option import Option
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class IPOption(Option):
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"represents the choice of an ip"
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__slots__ = tuple()
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_display_name = _('IP')
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def __init__(self,
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name,
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doc,
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default=None,
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default_multi=None,
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requires=None,
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multi=False,
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callback=None,
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callback_params=None,
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validator=None,
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validator_params=None,
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properties=None,
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private_only=False,
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allow_reserved=False,
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warnings_only=False):
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extra = {'_private_only': private_only,
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'_allow_reserved': allow_reserved}
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super(IPOption, self).__init__(name,
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doc,
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default=default,
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default_multi=default_multi,
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callback=callback,
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callback_params=callback_params,
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requires=requires,
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multi=multi,
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validator=validator,
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validator_params=validator_params,
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properties=properties,
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warnings_only=warnings_only,
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extra=extra)
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def _validate(self,
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value,
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*args,
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**kwargs):
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# sometimes an ip term starts with a zero
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# but this does not fit in some case, for example bind does not like it
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if not isinstance(value, str):
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raise ValueError(_('invalid string'))
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if value.count('.') != 3:
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raise ValueError()
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for val in value.split('.'):
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if val.startswith("0") and len(val) > 1:
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raise ValueError()
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# 'standard' validation
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try:
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IP('{0}/32'.format(value))
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except ValueError:
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raise ValueError()
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def _second_level_validation(self,
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value,
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warnings_only):
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ip = IP('{0}/32'.format(value))
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if not self.impl_get_extra('_allow_reserved') and ip.iptype() == 'RESERVED':
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if warnings_only:
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msg = _("shouldn't in reserved class")
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else:
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msg = _("mustn't be in reserved class")
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raise ValueError(msg)
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if self.impl_get_extra('_private_only') and ip.iptype() != 'PRIVATE':
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if warnings_only:
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msg = _("should be in private class")
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else:
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msg = _("must be in private class")
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raise ValueError(msg)
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def _cons_in_network(self,
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current_opt,
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opts,
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vals,
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warnings_only,
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context):
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if len(vals) != 3 and context is undefined:
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raise ConfigError(_('ip_network needs an IP, a network and a netmask'))
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if len(vals) != 3 or None in vals:
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return
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ip, network, netmask = vals
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if IP(ip) not in IP('{0}/{1}'.format(network,
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netmask)):
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msg = _('"{4}" is not in network "{0}"/"{1}" ("{2}"/"{3}")')
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raise ValueError(msg.format(network,
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netmask,
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opts[1].impl_get_display_name(),
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opts[2].impl_get_display_name(),
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ip))
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# test if ip is not network/broadcast IP
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opts[2]._cons_ip_netmask(current_opt,
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(opts[2], opts[0]),
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(netmask, ip),
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warnings_only,
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context)
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