1# $FreeBSD$ 2#- 3# SPDX-License-Identifier: BSD-2-Clause 4# 5# Copyright (c) 2019 Netflix, Inc. 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. $(atf_get_srcdir)/../../common/vnet.subr 30 31frag6_head() 32{ 33 atf_set descr 'Test IPv6 fragmentation code' 34 atf_set require.user root 35 atf_set require.progs scapy 36} 37 38frag6_body() 39{ 40 ids=${1:="65533"} 41 shift 42 id=`printf "%x" ${ids}` 43 if [ $$ -gt 65535 ]; then 44 xl=`printf "%x" $(($$ - 65535))` 45 yl="1" 46 else 47 xl=`printf "%x" $$` 48 yl="" 49 fi 50 51 vnet_init 52 53 ip6a="2001:db8:6666:6666:${yl}:${id}:1:${xl}" 54 ip6b="2001:db8:6666:6666:${yl}:${id}:2:${xl}" 55 56 epair=$(vnet_mkepair) 57 ifconfig ${epair}a up 58 ifconfig ${epair}a inet6 ${ip6a}/64 59 60 jname="v6t-${id}-${yl}-${xl}" 61 vnet_mkjail ${jname} ${epair}b 62 jexec ${jname} ifconfig ${epair}b up 63 jexec ${jname} ifconfig ${epair}b inet6 ${ip6b}/64 64 65 # Let IPv6 ND do its thing. 66 #ping6 -q -c 1 ff02::1%${epair}a 67 #ping6 -q -c 1 ${ip6b} 68 sleep 3 69 70 # We need to try to make sure all expiry happened, otherwise there might 71 # be global fragments queued. (This still does not rule out that there 72 # are no other fragments queued anywhere else in the system). 73 i=0 74 while test $i -lt 60; do 75 nf=`sysctl -n net.inet6.ip6.frag6_nfrags` 76 case ${nf} in 77 0) break ;; 78 esac 79 sleep 1 80 i=$((i + 1)) 81 done 82 case ${nf} in 83 0) ;; 84 *) atf_fail "Global frag6_nfrags count is not zero but ${nf}" ;; 85 esac 86 87 pretestf=$2 88 case "${pretestf}" in 89 "") ;; 90 [A-Za-z0-9_]*) 91 eval ${pretestf} "${jname}" "${epair}b" 92 ;; 93 esac 94 95 # Clear statistics. 96 jexec ${jname} netstat -z -s > /dev/null 97 98 # Run fragment tests. 99 pyname=$(atf_get ident) 100 pyname=${pyname%*_[0-9]} 101 atf_check -s exit:0 $(atf_get_srcdir)/${pyname}.py \ 102 --sendif ${epair}a \ 103 --recvif ${epair}a \ 104 --src ${ip6a} \ 105 --to ${ip6b} 106 107 checkf=$1 108 case "${checkf}" in 109 "") ;; 110 [A-Za-z0-9_]*) 111 eval ${checkf} "${jname}" "${epair}b" 112 ;; 113 esac 114} 115 116frag6_cleanup() 117{ 118 119 vnet_cleanup 120} 121 122# end 123