134 lines
3.8 KiB
Bash
134 lines
3.8 KiB
Bash
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#!/bin/sh
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ret=0
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nsuccess=0
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nfail=0
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NETNS_0="ns-$(mktemp -u XXXXXX)"
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NETNS_1="ns-$(mktemp -u XXXXXX)"
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# $1: return value
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# $2: log message
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libndp_log() {
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local rc=$1
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local msg="$2"
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if [ $rc -eq 0 ]; then
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printf "[libndp gating]: %-30s [ PASS ]\n" "$msg"
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nsuccess=$((nsuccess+1))
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else
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printf "[libndp gating]: %-30s [ FAIL ]\n" "$msg"
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nfail=$((nfail+1)) && ret=1
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fi
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}
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install_tcpreplay() {
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which tcpreplay && return 0
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wget https://github.com/appneta/tcpreplay/releases/download/v4.3.0/tcpreplay-4.3.0.tar.xz
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tar xf tcpreplay-4.3.0.tar.xz
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cd tcpreplay-4.3.0
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./configure && make && make install
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cd ../
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which tcpreplay
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}
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clean_up() {
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ip netns del ${NETNS_0} &> /dev/null
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ip netns del ${NETNS_1} &> /dev/null
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ip link del veth0 &> /dev/null
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ip link del veth1 &> /dev/null
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}
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trap clean_up EXIT
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setup() {
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install_tcpreplay &> tcpreplay.log || \
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{ libndp_log $? "Install tcpreplay" && cat tcpreplay.log; return 1; }
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clean_up
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ip netns add "${NETNS_0}"
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ip netns add "${NETNS_1}"
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ip -netns "${NETNS_0}" link set lo up
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ip -netns "${NETNS_1}" link set lo up
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ip link add type veth
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ip link set veth0 netns "${NETNS_0}"
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ip link set veth1 netns "${NETNS_1}"
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ip -netns "${NETNS_0}" link set veth0 addr 00:00:00:00:00:01
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ip -netns "${NETNS_1}" link set veth1 addr 00:00:00:00:00:02
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ip -netns "${NETNS_0}" link set veth0 up
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ip -netns "${NETNS_1}" link set veth1 up
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}
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monitor_nd()
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{
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ip netns exec "${NETNS_1}" unbuffer ndptool -i veth1 monitor &> monitor.log &
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sleep 2
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# TODO: maybe fuzz the pcap file and see if ndptool still works
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ip netns exec "${NETNS_0}" tcpreplay -l 2 -i veth0 nd.pcap
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sleep 2 && kill -9 $!
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grep -q "Type: NS" monitor.log; libndp_log $? "Monitor NS"
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grep -q "Type: NA" monitor.log; libndp_log $? "Monitor NA"
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# commit this due to bug 1082933
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# grep -q "Type: RS" monitor.log; libndp_log $? "Monitor RS"
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grep -q "Type: RA" monitor.log; libndp_log $? "Monitor RA"
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# TODO: add ICMPv6 redirect support
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}
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send_nd()
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{
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ip netns exec "${NETNS_1}" tcpdump -i veth1 -nn -l &> rs.log &
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sleep 2
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ip netns exec "${NETNS_0}" ndptool -i veth0 -t rs send
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sleep 2 && kill -9 $!
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#ip netns exec "${NETNS_0}" ndptool -i veth0 -t ra send
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ip netns exec "${NETNS_1}" tcpdump -i veth1 -nn -l &> ns.log &
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sleep 2
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ip netns exec "${NETNS_0}" ndptool -i veth0 -t ns send
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sleep 2 && kill -9 $!
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ip netns exec "${NETNS_1}" tcpdump -i veth1 -nn -l &> ns_t.log &
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sleep 2
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ip netns exec "${NETNS_0}" ndptool -i veth0 -t ns -T fe80::200:ff:fe00:2 send
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sleep 2 && kill -9 $!
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#ip netns exec "${NETNS_0}" ndptool -i veth0 -t na send
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ip netns exec "${NETNS_1}" tcpdump -i veth1 -nn -l &> na_d_t.log &
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sleep 2
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ip netns exec "${NETNS_0}" ndptool -i veth0 -t na -D fe80::200:ff:fe00:2 -T fe80::200:ff:fe00:1 send
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sleep 2 && kill -9 $!
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ip netns exec "${NETNS_1}" tcpdump -i veth1 -nn -l &> na_u.log &
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sleep 2
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ip netns exec "${NETNS_0}" ndptool -i veth0 -U -t na send
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sleep 2 && kill -9 $!
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grep -q "fe80::200:ff:fe00:1 > ff02::2: ICMP6, router solicitation" rs.log; libndp_log $? "Send RS"
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grep -q "fe80::200:ff:fe00:1 > ff02::1: ICMP6, neighbor solicitation, who has ::" ns.log; libndp_log $? "Send NS"
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grep -q "fe80::200:ff:fe00:1 > ff02::1:ff00:2: ICMP6, neighbor solicitation, who has fe80::200:ff:fe00:2" ns_t.log; libndp_log $? "Send NS with target"
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grep -q "fe80::200:ff:fe00:1 > fe80::200:ff:fe00:2: ICMP6, neighbor advertisement, tgt is fe80::200:ff:fe00:1" na_d_t.log; libndp_log $? "Send NA with dest and target"
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grep -q "fe80::200:ff:fe00:1 > ff02::1: ICMP6, neighbor advertisement, tgt is ::" na_u.log; libndp_log $? "Send unsolicited NA"
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}
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setup || exit 1
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monitor_nd
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send_nd
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printf "\nTests passed: %3d\n" ${nsuccess}
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printf "Tests failed: %3d\n" ${nfail}
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if [ ${nfail} -ne 0 ]; then
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echo -e "\nDEBUG INFO:\n"
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for log in `ls *.log`; do
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echo "# cat $log"
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cat $log
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done
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fi
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exit $ret
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