1# $NetBSD: t_ldp_regen.sh,v 1.7 2016/08/10 07:50:37 ozaki-r Exp $ 2# 3# Copyright (c) 2013 The NetBSD Foundation, Inc. 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 9# 1. Redistributions of source code must retain the above copyright 10# notice, this list of conditions and the following disclaimer. 11# 2. Redistributions in binary form must reproduce the above copyright 12# notice, this list of conditions and the following disclaimer in the 13# documentation and/or other materials provided with the distribution. 14# 15# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 16# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 19# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25# POSSIBILITY OF SUCH DAMAGE. 26# 27 28# IP/MPLS & LDP label reallocation test 29# Create 4 routers connected like this: R1--R2--R3--R4-- 30# The goal is to push packets from R1 to the R4 shmif1 (the right one) interface 31# Enable MPLS forwarding on R2 32# Disable IP forwarding and enable MPLS forwarding on R3 33# Start ldpd and wait for adjancencies to come up 34# Add an alias on shmif1 on R4 for which we already have a route on R3 35# Now: * R4 should install label IMPLNULL for that prefix 36# * R3 should realloc the target label from IMPLNULL to something else 37 38 39RUMP_SERVER1=unix://./r1 40RUMP_SERVER2=unix://./r2 41RUMP_SERVER3=unix://./r3 42RUMP_SERVER4=unix://./r4 43 44RUMP_LIBS="-lrumpnet -lrumpnet_net -lrumpnet_netinet -lrumpnet_netinet6 \ 45 -lrumpdev -lrumpnet_netmpls -lrumpnet_shmif" 46LDP_FLAGS="" 47 48atf_test_case ldp_regen cleanup 49ldp_regen_head() { 50 51 atf_set "descr" "IP/MPLS and LDP label regeneration test" 52 atf_set "require.progs" "rump_server" 53 atf_set "use.fs" "true" 54} 55 56newaddr_and_ping() { 57 58 # Add new address on R4 59 RUMP_SERVER=${RUMP_SERVER4} atf_check -s exit:0 \ 60 rump.ifconfig shmif1 10.0.5.1/24 alias 61 RUMP_SERVER=${RUMP_SERVER4} atf_check -s exit:0 \ 62 rump.ifconfig -w 60 63 64 # Now ldpd on R5 should take notice of the new route and announce it 65 # to R4's ldpd. ldpd on R4 should verify that the next hop 66 # corresponds to its routing table and change its tag entry 67 RUMP_SERVER=${RUMP_SERVER1} atf_check -s exit:0 -o ignore -e ignore \ 68 rump.ping -n -o -w 5 10.0.5.1 69} 70 71create_servers() { 72 73 # allows us to run as normal user 74 ulimit -r 400 75 76 atf_check -s exit:0 rump_server ${RUMP_LIBS} ${RUMP_SERVER1} 77 atf_check -s exit:0 rump_server ${RUMP_LIBS} ${RUMP_SERVER2} 78 atf_check -s exit:0 rump_server ${RUMP_LIBS} ${RUMP_SERVER3} 79 atf_check -s exit:0 rump_server ${RUMP_LIBS} ${RUMP_SERVER4} 80 81 # LDP HIJACK 82 export RUMPHIJACK=path=/rump,socket=all,sysctl=yes 83 export LD_PRELOAD=/usr/lib/librumphijack.so 84 85 # Setup first server 86 export RUMP_SERVER=${RUMP_SERVER1} 87 atf_check -s exit:0 rump.ifconfig shmif0 create 88 atf_check -s exit:0 rump.ifconfig shmif0 linkstr ./shdom1 89 atf_check -s exit:0 rump.ifconfig shmif0 10.0.1.1/24 90 atf_check -s exit:0 rump.ifconfig mpls0 create up 91 atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.forwarding=0 92 atf_check -s exit:0 rump.route -q add 10.0.4.0/24 10.0.1.2 93 atf_check -s exit:0 rump.route -q add 10.0.5.0/24 10.0.1.2 94 atf_check -s exit:0 /usr/sbin/ldpd ${LDP_FLAGS} 95 96 # Setup second server 97 export RUMP_SERVER=${RUMP_SERVER2} 98 atf_check -s exit:0 rump.ifconfig shmif0 create 99 atf_check -s exit:0 rump.ifconfig shmif0 linkstr ./shdom1 100 atf_check -s exit:0 rump.ifconfig shmif0 10.0.1.2/24 101 atf_check -s exit:0 rump.ifconfig shmif1 create 102 atf_check -s exit:0 rump.ifconfig shmif1 linkstr ./shdom2 103 atf_check -s exit:0 rump.ifconfig shmif1 10.0.2.1/24 104 atf_check -s exit:0 rump.ifconfig mpls0 create up 105 atf_check -s exit:0 rump.sysctl -q -w net.mpls.accept=1 106 atf_check -s exit:0 rump.sysctl -q -w net.mpls.forwarding=1 107 # This one should still do ip forwarding because it announces IMPLNULL 108 # for the 10.0.1.0/24 subnet 109 atf_check -s exit:0 rump.route -q add 10.0.4.0/24 10.0.2.2 110 atf_check -s exit:0 rump.route -q add 10.0.5.0/24 10.0.2.2 111 atf_check -s exit:0 /usr/sbin/ldpd ${LDP_FLAGS} 112 113 # Setup third server 114 export RUMP_SERVER=${RUMP_SERVER3} 115 atf_check -s exit:0 rump.ifconfig shmif0 create 116 atf_check -s exit:0 rump.ifconfig shmif0 linkstr ./shdom2 117 atf_check -s exit:0 rump.ifconfig shmif0 10.0.2.2/24 118 atf_check -s exit:0 rump.ifconfig shmif1 create 119 atf_check -s exit:0 rump.ifconfig shmif1 linkstr ./shdom3 120 atf_check -s exit:0 rump.ifconfig shmif1 10.0.3.1/24 121 atf_check -s exit:0 rump.ifconfig mpls0 create up 122 atf_check -s exit:0 rump.sysctl -q -w net.mpls.accept=1 123 atf_check -s exit:0 rump.sysctl -q -w net.mpls.forwarding=1 124 atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.forwarding=0 125 atf_check -s exit:0 rump.route -q add 10.0.1.0/24 10.0.2.1 126 atf_check -s exit:0 rump.route -q add 10.0.4.0/24 10.0.3.2 127 atf_check -s exit:0 rump.route -q add 10.0.5.0/24 10.0.3.2 128 atf_check -s exit:0 /usr/sbin/ldpd ${LDP_FLAGS} 129 130 # Setup fourth server 131 export RUMP_SERVER=${RUMP_SERVER4} 132 atf_check -s exit:0 rump.ifconfig shmif0 create 133 atf_check -s exit:0 rump.ifconfig shmif0 linkstr ./shdom3 134 atf_check -s exit:0 rump.ifconfig shmif0 10.0.3.2/24 135 atf_check -s exit:0 rump.ifconfig shmif1 create 136 atf_check -s exit:0 rump.ifconfig shmif1 linkstr ./shdom4 137 atf_check -s exit:0 rump.ifconfig shmif1 10.0.4.1/24 138 atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.forwarding=0 139 atf_check -s exit:0 rump.ifconfig mpls0 create up 140 atf_check -s exit:0 rump.route -q add 10.0.1.0/24 10.0.3.1 141 atf_check -s exit:0 /usr/sbin/ldpd ${LDP_FLAGS} 142 143 unset RUMP_SERVER 144 unset LD_PRELOAD 145 unset RUMPHIJACK 146} 147 148wait_ldp_ok() { 149 150 RUMP_SERVER=${RUMP_SERVER1} atf_check -s exit:0 -o ignore -e ignore \ 151 rump.ifconfig -w 60 152 RUMP_SERVER=${RUMP_SERVER1} atf_check -s exit:0 -o ignore -e ignore \ 153 rump.ping -o -w 60 10.0.4.1 154} 155 156docleanup() { 157 158 RUMP_SERVER=${RUMP_SERVER1} rump.halt 159 RUMP_SERVER=${RUMP_SERVER2} rump.halt 160 RUMP_SERVER=${RUMP_SERVER3} rump.halt 161 RUMP_SERVER=${RUMP_SERVER4} rump.halt 162} 163 164ldp_regen_body() { 165 166 if sysctl machdep.cpu_brand 2>/dev/null | grep QEMU >/dev/null 2>&1 167 then 168 atf_skip "unreliable under qemu, skip until PR kern/43997 fixed" 169 fi 170 create_servers 171 wait_ldp_ok 172 newaddr_and_ping 173} 174 175ldp_regen_cleanup() { 176 177 docleanup 178} 179 180atf_init_test_cases() { 181 182 atf_add_test_case ldp_regen 183} 184