Current File : //lib/python3.6/site-packages/firewall/core/icmp.py
# -*- coding: utf-8 -*-
#
# Copyright (C) 2017 Red Hat, Inc.
#
# Authors:
# Thomas Woerner <twoerner@redhat.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
__all__ = [ "ICMP_TYPES", "ICMPV6_TYPES",
"check_icmp_type", "check_icmpv6_type" ]
ICMP_TYPES = {
"echo-reply": "0/0",
"pong": "0/0",
"network-unreachable": "3/0",
"host-unreachable": "3/1",
"protocol-unreachable": "3/2",
"port-unreachable": "3/3",
"fragmentation-needed": "3/4",
"source-route-failed": "3/5",
"network-unknown": "3/6",
"host-unknown": "3/7",
"network-prohibited": "3/9",
"host-prohibited": "3/10",
"TOS-network-unreachable": "3/11",
"TOS-host-unreachable": "3/12",
"communication-prohibited": "3/13",
"host-precedence-violation": "3/14",
"precedence-cutoff": "3/15",
"source-quench": "4/0",
"network-redirect": "5/0",
"host-redirect": "5/1",
"TOS-network-redirect": "5/2",
"TOS-host-redirect": "5/3",
"echo-request": "8/0",
"ping": "8/0",
"router-advertisement": "9/0",
"router-solicitation": "10/0",
"ttl-zero-during-transit": "11/0",
"ttl-zero-during-reassembly": "11/1",
"ip-header-bad": "12/0",
"required-option-missing": "12/1",
"timestamp-request": "13/0",
"timestamp-reply": "14/0",
"address-mask-request": "17/0",
"address-mask-reply": "18/0",
}
ICMPV6_TYPES = {
"no-route": "1/0",
"communication-prohibited": "1/1",
"address-unreachable": "1/3",
"port-unreachable": "1/4",
"packet-too-big": "2/0",
"ttl-zero-during-transit": "3/0",
"ttl-zero-during-reassembly": "3/1",
"bad-header": "4/0",
"unknown-header-type": "4/1",
"unknown-option": "4/2",
"echo-request": "128/0",
"ping": "128/0",
"echo-reply": "129/0",
"pong": "129/0",
"router-solicitation": "133/0",
"router-advertisement": "134/0",
"neighbour-solicitation": "135/0",
"neigbour-solicitation": "135/0",
"neighbour-advertisement": "136/0",
"neigbour-advertisement": "136/0",
"redirect": "137/0",
}
def check_icmp_name(_name):
if _name in ICMP_TYPES:
return True
return False
def check_icmp_type(_type):
if _type in ICMP_TYPES.values():
return True
return False
def check_icmpv6_name(_name):
if _name in ICMP_TYPES:
return True
return False
def check_icmpv6_type(_type):
if _type in ICMPV6_TYPES.values():
return True
return False
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