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Diffstat (limited to 'dist/net/mpls/t_ldp_regen.sh')
| -rwxr-xr-x | dist/net/mpls/t_ldp_regen.sh | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/dist/net/mpls/t_ldp_regen.sh b/dist/net/mpls/t_ldp_regen.sh new file mode 100755 index 0000000..65fc29f --- /dev/null +++ b/dist/net/mpls/t_ldp_regen.sh @@ -0,0 +1,178 @@ +# $NetBSD: t_ldp_regen.sh,v 1.4 2014/09/01 06:38:35 gson Exp $ +# +# Copyright (c) 2013 The NetBSD Foundation, Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS +# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS +# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. +# + +# IP/MPLS & LDP label reallocation test +# Create 4 routers connected like this: R1--R2--R3--R4-- +# The goal is to push packets from R1 to the R4 shmif1 (the right one) interface +# Enable MPLS forwarding on R2 +# Disable IP forwarding and enable MPLS forwarding on R3 +# Start ldpd and wait for adjancencies to come up +# Add an alias on shmif1 on R4 for which we already have a route on R3 +# Now: * R4 should install label IMPLNULL for that prefix +# * R3 should realloc the target label from IMPLNULL to something else + + +RUMP_SERVER1=unix://./r1 +RUMP_SERVER2=unix://./r2 +RUMP_SERVER3=unix://./r3 +RUMP_SERVER4=unix://./r4 + +RUMP_LIBS="-lrumpnet -lrumpnet_net -lrumpnet_netmpls -lrumpnet_netinet -lrumpnet_netinet6 -lrumpnet_shmif" +LDP_FLAGS="" + +atf_test_case ldp_regen cleanup +ldp_regen_head() { + + atf_set "descr" "IP/MPLS and LDP label regeneration test" + atf_set "require.progs" "rump_server" + atf_set "use.fs" "true" +} + +newaddr_and_ping() { + + # Add new address on R4 + RUMP_SERVER=${RUMP_SERVER4} atf_check -s exit:0 \ + rump.ifconfig shmif1 10.0.5.1/24 alias + + # Now ldpd on R5 should take notice of the new route and announce it + # to R4's ldpd. ldpd on R4 should verify that the next hop + # corresponds to its routing table and change its tag entry + RUMP_SERVER=${RUMP_SERVER1} atf_check -s exit:0 -o ignore -e ignore \ + rump.ping -n -o -w 5 10.0.5.1 +} + +create_servers() { + + # allows us to run as normal user + ulimit -r 400 + + atf_check -s exit:0 rump_server ${RUMP_LIBS} ${RUMP_SERVER1} + atf_check -s exit:0 rump_server ${RUMP_LIBS} ${RUMP_SERVER2} + atf_check -s exit:0 rump_server ${RUMP_LIBS} ${RUMP_SERVER3} + atf_check -s exit:0 rump_server ${RUMP_LIBS} ${RUMP_SERVER4} + + # LDP HIJACK + export RUMPHIJACK=path=/rump,socket=all,sysctl=yes + export LD_PRELOAD=/usr/lib/librumphijack.so + + # Setup first server + export RUMP_SERVER=${RUMP_SERVER1} + atf_check -s exit:0 rump.ifconfig shmif0 create + atf_check -s exit:0 rump.ifconfig shmif0 linkstr ./shdom1 + atf_check -s exit:0 rump.ifconfig shmif0 10.0.1.1/24 + atf_check -s exit:0 rump.ifconfig mpls0 create up + atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.forwarding=0 + atf_check -s exit:0 rump.route -q add 10.0.4.0/24 10.0.1.2 + atf_check -s exit:0 rump.route -q add 10.0.5.0/24 10.0.1.2 + atf_check -s exit:0 /usr/sbin/ldpd ${LDP_FLAGS} + + # Setup second server + export RUMP_SERVER=${RUMP_SERVER2} + atf_check -s exit:0 rump.ifconfig shmif0 create + atf_check -s exit:0 rump.ifconfig shmif0 linkstr ./shdom1 + atf_check -s exit:0 rump.ifconfig shmif0 10.0.1.2/24 + atf_check -s exit:0 rump.ifconfig shmif1 create + atf_check -s exit:0 rump.ifconfig shmif1 linkstr ./shdom2 + atf_check -s exit:0 rump.ifconfig shmif1 10.0.2.1/24 + atf_check -s exit:0 rump.ifconfig mpls0 create up + atf_check -s exit:0 rump.sysctl -q -w net.mpls.accept=1 + atf_check -s exit:0 rump.sysctl -q -w net.mpls.forwarding=1 + # This one should still do ip forwarding because it announces IMPLNULL + # for the 10.0.1.0/24 subnet + atf_check -s exit:0 rump.route -q add 10.0.4.0/24 10.0.2.2 + atf_check -s exit:0 rump.route -q add 10.0.5.0/24 10.0.2.2 + atf_check -s exit:0 /usr/sbin/ldpd ${LDP_FLAGS} + + # Setup third server + export RUMP_SERVER=${RUMP_SERVER3} + atf_check -s exit:0 rump.ifconfig shmif0 create + atf_check -s exit:0 rump.ifconfig shmif0 linkstr ./shdom2 + atf_check -s exit:0 rump.ifconfig shmif0 10.0.2.2/24 + atf_check -s exit:0 rump.ifconfig shmif1 create + atf_check -s exit:0 rump.ifconfig shmif1 linkstr ./shdom3 + atf_check -s exit:0 rump.ifconfig shmif1 10.0.3.1/24 + atf_check -s exit:0 rump.ifconfig mpls0 create up + atf_check -s exit:0 rump.sysctl -q -w net.mpls.accept=1 + atf_check -s exit:0 rump.sysctl -q -w net.mpls.forwarding=1 + atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.forwarding=0 + atf_check -s exit:0 rump.route -q add 10.0.1.0/24 10.0.2.1 + atf_check -s exit:0 rump.route -q add 10.0.4.0/24 10.0.3.2 + atf_check -s exit:0 rump.route -q add 10.0.5.0/24 10.0.3.2 + atf_check -s exit:0 /usr/sbin/ldpd ${LDP_FLAGS} + + # Setup fourth server + export RUMP_SERVER=${RUMP_SERVER4} + atf_check -s exit:0 rump.ifconfig shmif0 create + atf_check -s exit:0 rump.ifconfig shmif0 linkstr ./shdom3 + atf_check -s exit:0 rump.ifconfig shmif0 10.0.3.2/24 + atf_check -s exit:0 rump.ifconfig shmif1 create + atf_check -s exit:0 rump.ifconfig shmif1 linkstr ./shdom4 + atf_check -s exit:0 rump.ifconfig shmif1 10.0.4.1/24 + atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.forwarding=0 + atf_check -s exit:0 rump.ifconfig mpls0 create up + atf_check -s exit:0 rump.route -q add 10.0.1.0/24 10.0.3.1 + atf_check -s exit:0 /usr/sbin/ldpd ${LDP_FLAGS} + + unset RUMP_SERVER + unset LD_PRELOAD + unset RUMPHIJACK +} + +wait_ldp_ok() { + + RUMP_SERVER=${RUMP_SERVER1} atf_check -s exit:0 -o ignore -e ignore \ + rump.ping -o -w 60 10.0.4.1 +} + +docleanup() { + + RUMP_SERVER=${RUMP_SERVER1} rump.halt + RUMP_SERVER=${RUMP_SERVER2} rump.halt + RUMP_SERVER=${RUMP_SERVER3} rump.halt + RUMP_SERVER=${RUMP_SERVER4} rump.halt +} + +ldp_regen_body() { + + if sysctl machdep.cpu_brand | grep QEMU >/dev/null 2>&1 + then + atf_skip "unreliable under qemu, skip until PR kern/43997 fixed" + fi + create_servers + wait_ldp_ok + newaddr_and_ping +} + +ldp_regen_cleanup() { + + docleanup +} + +atf_init_test_cases() { + + atf_add_test_case ldp_regen +} |
