1#!/usr/bin/env atf-sh 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# 29 30. $(atf_get_srcdir)/../common/vnet.subr 31 32atf_test_case "valid_redirect" "cleanup" 33valid_redirect_head() { 34 35 atf_set descr 'Test valid IPv4 redirect' 36 atf_set require.user root 37 atf_set require.progs scapy 38} 39 40valid_redirect_body() { 41 42 ids=65533 43 id=`printf "%x" ${ids}` 44 if [ $$ -gt 65535 ]; then 45 xl=`printf "%x" $(($$ - 65535))` 46 yl="1" 47 else 48 xl=`printf "%x" $$` 49 yl="" 50 fi 51 52 vnet_init 53 54 ip4a="192.0.2.1" 55 ip4b="192.0.2.2" 56 57 net4="198.51.100.0/24" 58 dst_addr4="198.51.100.42" 59 60 # remote_rtr 61 remote_rtr_ip="192.0.2.3" 62 remote_rtr_mac="00:00:5E:00:53:42" 63 64 new_rtr_ip="192.0.2.4" 65 66 script_name="redirect.py" 67 68 epair=$(vnet_mkepair) 69 ifconfig ${epair}a up 70 ifconfig ${epair}a inet ${ip4a}/24 71 72 jname="v4t-${id}-${yl}-${xl}" 73 vnet_mkjail ${jname} ${epair}b 74 jexec ${jname} ifconfig ${epair}b up 75 jexec ${jname} ifconfig ${epair}b inet ${ip4b}/24 76 77 # Setup static entry for the remote router 78 jexec ${jname} arp -s ${remote_rtr_ip} ${remote_rtr_mac} 79 # setup prefix reachable via router 80 jexec ${jname} route add -4 -net ${net4} ${remote_rtr_ip} 81 82 local_ip=${ip4b} 83 local_mac=`jexec ${jname} ifconfig ${epair}b ether | awk '$1~/ether/{print$2}'` 84 85 # echo "LOCAL: ${local_ip} ${local_mac}" 86 # echo "REMOTE: ${remote_rtr_ip} ${remote_rtr_mac}" 87 88 atf_check -s exit:0 $(atf_get_srcdir)/${script_name} \ 89 --smac ${remote_rtr_mac} --dmac ${local_mac} \ 90 --sip ${remote_rtr_ip} --dip ${local_ip} \ 91 --route ${dst_addr4} --gw ${new_rtr_ip} \ 92 --iface ${epair}a 93 94 atf_check -o match:"destination: ${dst_addr4}\$" jexec ${jname} route -n get -4 ${dst_addr4} 95 atf_check -o match:'flags: <UP,GATEWAY,HOST,DYNAMIC,DONE>' jexec ${jname} route -n get -4 ${dst_addr4} 96} 97 98valid_redirect_cleanup() { 99 100 vnet_cleanup 101} 102 103atf_init_test_cases() 104{ 105 106 atf_add_test_case "valid_redirect" 107} 108 109# end 110 111