t_ldp_regen.sh revision 1.9
1 # $NetBSD: t_ldp_regen.sh,v 1.9 2020/04/01 01:49:26 christos 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 export PATH=/sbin:/usr/sbin:/bin:/usr/bin 39 40 RUMP_SERVER1=unix://./r1 41 RUMP_SERVER2=unix://./r2 42 RUMP_SERVER3=unix://./r3 43 RUMP_SERVER4=unix://./r4 44 45 RUMP_LIBS="-lrumpnet -lrumpnet_net -lrumpnet_netinet -lrumpnet_netinet6 \ 46 -lrumpnet_netmpls -lrumpnet_shmif" 47 LDP_FLAGS="" 48 49 atf_test_case ldp_regen cleanup 50 ldp_regen_head() { 51 52 atf_set "descr" "IP/MPLS and LDP label regeneration test" 53 atf_set "require.progs" "rump_server" 54 atf_set "use.fs" "true" 55 } 56 57 newaddr_and_ping() { 58 59 # Add new address on R4 60 RUMP_SERVER=${RUMP_SERVER4} atf_check -s exit:0 \ 61 rump.ifconfig shmif1 10.0.5.1/24 alias 62 RUMP_SERVER=${RUMP_SERVER4} atf_check -s exit:0 \ 63 rump.ifconfig -w 60 64 65 # Now ldpd on R5 should take notice of the new route and announce it 66 # to R4's ldpd. ldpd on R4 should verify that the next hop 67 # corresponds to its routing table and change its tag entry 68 RUMP_SERVER=${RUMP_SERVER1} atf_check -s exit:0 -o ignore -e ignore \ 69 rump.ping -n -o -w 5 10.0.5.1 70 } 71 72 configservers() { 73 74 # LDP HIJACK 75 export RUMPHIJACK=path=/rump,socket=all,sysctl=yes 76 export LD_PRELOAD=/usr/lib/librumphijack.so 77 78 # Setup first server 79 export RUMP_SERVER=${RUMP_SERVER1} 80 atf_check -s exit:0 rump.ifconfig shmif0 create 81 atf_check -s exit:0 rump.ifconfig shmif0 linkstr ./shdom1 82 atf_check -s exit:0 rump.ifconfig shmif0 10.0.1.1/24 83 atf_check -s exit:0 rump.ifconfig mpls0 create up 84 atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.forwarding=0 85 atf_check -s exit:0 rump.route -q add 10.0.4.0/24 10.0.1.2 86 atf_check -s exit:0 rump.route -q add 10.0.5.0/24 10.0.1.2 87 atf_check -s exit:0 /usr/sbin/ldpd ${LDP_FLAGS} 88 89 # Setup second server 90 export RUMP_SERVER=${RUMP_SERVER2} 91 atf_check -s exit:0 rump.ifconfig shmif0 create 92 atf_check -s exit:0 rump.ifconfig shmif0 linkstr ./shdom1 93 atf_check -s exit:0 rump.ifconfig shmif0 10.0.1.2/24 94 atf_check -s exit:0 rump.ifconfig shmif1 create 95 atf_check -s exit:0 rump.ifconfig shmif1 linkstr ./shdom2 96 atf_check -s exit:0 rump.ifconfig shmif1 10.0.2.1/24 97 atf_check -s exit:0 rump.ifconfig mpls0 create up 98 atf_check -s exit:0 rump.sysctl -q -w net.mpls.accept=1 99 atf_check -s exit:0 rump.sysctl -q -w net.mpls.forwarding=1 100 # This one should still do ip forwarding because it announces IMPLNULL 101 # for the 10.0.1.0/24 subnet 102 atf_check -s exit:0 rump.route -q add 10.0.4.0/24 10.0.2.2 103 atf_check -s exit:0 rump.route -q add 10.0.5.0/24 10.0.2.2 104 atf_check -s exit:0 /usr/sbin/ldpd ${LDP_FLAGS} 105 106 # Setup third server 107 export RUMP_SERVER=${RUMP_SERVER3} 108 atf_check -s exit:0 rump.ifconfig shmif0 create 109 atf_check -s exit:0 rump.ifconfig shmif0 linkstr ./shdom2 110 atf_check -s exit:0 rump.ifconfig shmif0 10.0.2.2/24 111 atf_check -s exit:0 rump.ifconfig shmif1 create 112 atf_check -s exit:0 rump.ifconfig shmif1 linkstr ./shdom3 113 atf_check -s exit:0 rump.ifconfig shmif1 10.0.3.1/24 114 atf_check -s exit:0 rump.ifconfig mpls0 create up 115 atf_check -s exit:0 rump.sysctl -q -w net.mpls.accept=1 116 atf_check -s exit:0 rump.sysctl -q -w net.mpls.forwarding=1 117 atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.forwarding=0 118 atf_check -s exit:0 rump.route -q add 10.0.1.0/24 10.0.2.1 119 atf_check -s exit:0 rump.route -q add 10.0.4.0/24 10.0.3.2 120 atf_check -s exit:0 rump.route -q add 10.0.5.0/24 10.0.3.2 121 atf_check -s exit:0 /usr/sbin/ldpd ${LDP_FLAGS} 122 123 # Setup fourth server 124 export RUMP_SERVER=${RUMP_SERVER4} 125 atf_check -s exit:0 rump.ifconfig shmif0 create 126 atf_check -s exit:0 rump.ifconfig shmif0 linkstr ./shdom3 127 atf_check -s exit:0 rump.ifconfig shmif0 10.0.3.2/24 128 atf_check -s exit:0 rump.ifconfig shmif1 create 129 atf_check -s exit:0 rump.ifconfig shmif1 linkstr ./shdom4 130 atf_check -s exit:0 rump.ifconfig shmif1 10.0.4.1/24 131 atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.forwarding=0 132 atf_check -s exit:0 rump.ifconfig mpls0 create up 133 atf_check -s exit:0 rump.route -q add 10.0.1.0/24 10.0.3.1 134 atf_check -s exit:0 /usr/sbin/ldpd ${LDP_FLAGS} 135 136 unset RUMP_SERVER 137 unset LD_PRELOAD 138 unset RUMPHIJACK 139 } 140 141 wait_ldp_ok() { 142 143 RUMP_SERVER=${RUMP_SERVER1} atf_check -s exit:0 -o ignore -e ignore \ 144 rump.ifconfig -w 60 145 RUMP_SERVER=${RUMP_SERVER1} atf_check -s exit:0 -o ignore -e ignore \ 146 rump.ping -o -w 60 10.0.4.1 147 } 148 149 ldp_regen_body() { 150 151 if sysctl machdep.cpu_brand 2>/dev/null | grep QEMU >/dev/null 2>&1 152 then 153 atf_skip "unreliable under qemu, skip until PR kern/43997 fixed" 154 fi 155 dostart 156 configservers 157 wait_ldp_ok 158 newaddr_and_ping 159 } 160 161 ldp_regen_cleanup() { 162 163 docleanup 164 } 165 166 atf_init_test_cases() { 167 168 atf_add_test_case ldp_regen 169 } 170
Indexes created Wed Oct 01 18:09:54 GMT 2025