84 lines
3.0 KiB
Python
Executable File
84 lines
3.0 KiB
Python
Executable File
#!/usr/bin/env python
|
|
# -
|
|
# SPDX-License-Identifier: BSD-2-Clause
|
|
#
|
|
# Copyright (c) 2020 Alexander V. Chernikov
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions
|
|
# are met:
|
|
# 1. Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
# 2. Redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
# SUCH DAMAGE.
|
|
#
|
|
# $FreeBSD$
|
|
#
|
|
|
|
|
|
import socket
|
|
import scapy.all as sc
|
|
import argparse
|
|
|
|
|
|
IPPROTO_DIVERT = 258
|
|
|
|
|
|
def parse_args():
|
|
parser = argparse.ArgumentParser(description='divert socket tester')
|
|
parser.add_argument('--dip', type=str, help='destination packet IP')
|
|
parser.add_argument('--divert_port', type=int, default=6668,
|
|
help='divert port to use')
|
|
parser.add_argument('--test_name', type=str, required=True,
|
|
help='test name to run')
|
|
return parser.parse_args()
|
|
|
|
|
|
def ipdivert_ip_output_remote_success(args):
|
|
packet = sc.IP(dst=args.dip) / sc.ICMP(type='echo-request')
|
|
with socket.socket(socket.AF_INET, socket.SOCK_RAW, IPPROTO_DIVERT) as s:
|
|
s.bind(('0.0.0.0', args.divert_port))
|
|
s.sendto(bytes(packet), ('0.0.0.0', 0))
|
|
|
|
|
|
def ipdivert_ip6_output_remote_success(args):
|
|
packet = sc.IPv6(dst=args.dip) / sc.ICMPv6EchoRequest()
|
|
with socket.socket(socket.AF_INET, socket.SOCK_RAW, IPPROTO_DIVERT) as s:
|
|
s.bind(('0.0.0.0', args.divert_port))
|
|
s.sendto(bytes(packet), ('0.0.0.0', 0))
|
|
|
|
|
|
def ipdivert_ip_input_local_success(args):
|
|
"""Sends IPv4 packet to OS stack as inbound local packet."""
|
|
packet = sc.IP(dst=args.dip) / sc.ICMP(type='echo-request')
|
|
with socket.socket(socket.AF_INET, socket.SOCK_RAW, IPPROTO_DIVERT) as s:
|
|
s.bind(('0.0.0.0', args.divert_port))
|
|
s.sendto(bytes(packet), (args.dip, 0))
|
|
|
|
|
|
# XXX: IPv6 local divert is currently not supported
|
|
# TODO: add IPv4 ifname output verification
|
|
|
|
|
|
def main():
|
|
args = parse_args()
|
|
test_ptr = globals()[args.test_name]
|
|
test_ptr(args)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|