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#
# This file is part of pysnmp software.
#
# Copyright (c) 2005-2019, Ilya Etingof <etingof@gmail.com>
# License: http://snmplabs.com/pysnmp/license.html
#
from pysnmp import debug
from pysnmp.proto import errind
from pysnmp.proto import error


# rfc3415 3.2
# noinspection PyUnusedLocal
class Vacm(object):
    """Void Access Control Model"""
    ACCESS_MODEL_ID = 0

    def isAccessAllowed(self,
                        snmpEngine,
                        securityModel,
                        securityName,
                        securityLevel,
                        viewType,
                        contextName,
                        variableName):
        debug.logger & debug.FLAG_ACL and debug.logger(
            'isAccessAllowed: viewType %s for variableName %s - OK' % (viewType, variableName)
        )

        # rfc3415 3.2.5c
        return error.StatusInformation(errorIndication=errind.accessAllowed)