95 lines
2.4 KiB
Python
95 lines
2.4 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2016 Fabio Falcinelli, Maximilian Hils
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more 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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from enum import IntEnum
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# Divert layers.
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class Layer(IntEnum):
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"""
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See https://reqrypt.org/windivert-doc.html#divert_open
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"""
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NETWORK = 0
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NETWORK_FORWARD = 1
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# Divert Flag.
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class Flag(IntEnum):
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"""
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See https://reqrypt.org/windivert-doc.html#divert_open
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"""
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DEFAULT = 0
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SNIFF = 1
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DROP = 2
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NO_CHECKSUM = 1024 # Deprecated since Windivert 1.2
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# Divert parameters.
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class Param(IntEnum):
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"""
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See https://reqrypt.org/windivert-doc.html#divert_set_param
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"""
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QUEUE_LEN = 0 # Packet queue length 1 < default 512 (actually 1024) < 8192
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QUEUE_TIME = 1 # Packet queue time 128 < default 512 < 2048
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QUEUE_SIZE = 2 # Packet queue size (bytes) 4096 (4KB) < default 4194304 (4MB) < 33554432 (32MB)
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# Direction outbound/inbound
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class Direction(IntEnum):
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"""
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See https://reqrypt.org/windivert-doc.html#divert_address
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"""
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OUTBOUND = 0
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INBOUND = 1
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# Checksums
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class CalcChecksumsOption(IntEnum):
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"""
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See https://reqrypt.org/windivert-doc.html#divert_helper_calc_checksums
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"""
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NO_IP_CHECKSUM = 1
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NO_ICMP_CHECKSUM = 2
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NO_ICMPV6_CHECKSUM = 4
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NO_TCP_CHECKSUM = 8
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NO_UDP_CHECKSUM = 16
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NO_REPLACE = 2048
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class Protocol(IntEnum):
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"""
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Transport protocol values define the layout of the header that will immediately follow the IPv4 or IPv6 header.
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See http://www.iana.org/assignments/protocol-numbers/protocol-numbers.xhtml
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"""
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HOPOPT = 0
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ICMP = 1
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TCP = 6
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UDP = 17
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ROUTING = 43
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FRAGMENT = 44
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AH = 51
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ICMPV6 = 58
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NONE = 59
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DSTOPTS = 60
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IPV6_EXT_HEADERS = {
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Protocol.HOPOPT,
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Protocol.ROUTING,
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Protocol.FRAGMENT,
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Protocol.DSTOPTS,
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Protocol.AH,
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}
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