1#!/usr/bin/env python 2# - 3# SPDX-License-Identifier: BSD-2-Clause 4# 5# Copyright (c) 2020 Alexander V. Chernikov 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28# $FreeBSD$ 29# 30 31 32from functools import partial 33import socket 34import select 35import argparse 36import time 37 38 39def parse_args(): 40 parser = argparse.ArgumentParser(description='divert socket tester') 41 parser.add_argument('--sip', type=str, default='', help='IP to listen on') 42 parser.add_argument('--family', type=str, help='inet/inet6') 43 parser.add_argument('--ports', type=str, help='packet ports 1,2,3') 44 parser.add_argument('--match_str', type=str, help='match string to use') 45 parser.add_argument('--count', type=int, default=1, 46 help='Number of messages to receive') 47 parser.add_argument('--test_name', type=str, required=True, 48 help='test name to run') 49 return parser.parse_args() 50 51 52def test_listen_tcp(args): 53 if args.family == 'inet6': 54 fam = socket.AF_INET6 55 else: 56 fam = socket.AF_INET 57 sockets = [] 58 ports = [int(port) for port in args.ports.split(',')] 59 for port in ports: 60 s = socket.socket(fam, socket.SOCK_STREAM) 61 s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) 62 s.setblocking(0) 63 s.bind((args.sip, port)) 64 print('binding on {}:{}'.format(args.sip, port)) 65 s.listen(5) 66 sockets.append(s) 67 inputs = sockets 68 count = 0 69 while count < args.count: 70 readable, writable, exceptional = select.select(inputs, [], inputs) 71 for s in readable: 72 (c, address) = s.accept() 73 print('C: {}'.format(address)) 74 data = c.recv(9000) 75 if args.match_str and args.match_str.encode('utf-8') != data: 76 raise Exception('Expected "{}" but got "{}"'.format( 77 args.match_str, data.decode('utf-8'))) 78 count += 1 79 c.close() 80 81 82def test_listen_udp(args): 83 if args.family == 'inet6': 84 fam = socket.AF_INET6 85 else: 86 fam = socket.AF_INET 87 sockets = [] 88 ports = [int(port) for port in args.ports.split(',')] 89 for port in ports: 90 s = socket.socket(fam, socket.SOCK_DGRAM) 91 s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) 92 s.setblocking(0) 93 s.bind((args.sip, port)) 94 print('binding on {}:{}'.format(args.sip, port)) 95 sockets.append(s) 96 inputs = sockets 97 count = 0 98 while count < args.count: 99 readable, writable, exceptional = select.select(inputs, [], inputs) 100 for s in readable: 101 (data, address) = s.recvfrom(9000) 102 print('C: {}'.format(address)) 103 if args.match_str and args.match_str.encode('utf-8') != data: 104 raise Exception('Expected "{}" but got "{}"'.format( 105 args.match_str, data.decode('utf-8'))) 106 count += 1 107 108 109def main(): 110 args = parse_args() 111 test_ptr = globals()[args.test_name] 112 test_ptr(args) 113 114 115if __name__ == '__main__': 116 main() 117