79 lines · bash
1#!/bin/bash2# SPDX-License-Identifier: GPL-2.03 4source lib.sh5 6IP4=172.16.0.1/247TGT4=172.16.0.28IP6=2001:db8:1::1/649TGT6=2001:db8:1::210MARK=100011 12cleanup()13{14 cleanup_ns $NS15}16 17trap cleanup EXIT18 19# Namespaces20setup_ns NS21 22ip netns exec $NS sysctl -w net.ipv4.ping_group_range='0 2147483647' > /dev/null23 24# Connectivity25ip -netns $NS link add type dummy26ip -netns $NS link set dev dummy0 up27ip -netns $NS addr add $IP4 dev dummy028ip -netns $NS addr add $IP6 dev dummy029 30ip -netns $NS rule add fwmark $MARK lookup 30031ip -6 -netns $NS rule add fwmark $MARK lookup 30032ip -netns $NS route add prohibit any table 30033ip -6 -netns $NS route add prohibit any table 30034 35# Test36BAD=037TOTAL=038 39check_result() {40 ((TOTAL++))41 if [ $1 -ne $2 ]; then42 echo " Case $3 returned $1, expected $2"43 ((BAD++))44 fi45}46 47for ovr in setsock cmsg both; do48 for i in 4 6; do49 [ $i == 4 ] && TGT=$TGT4 || TGT=$TGT650 51 for p in u i r; do52 [ $p == "u" ] && prot=UDP53 [ $p == "i" ] && prot=ICMP54 [ $p == "r" ] && prot=RAW55 56 [ $ovr == "setsock" ] && m="-M"57 [ $ovr == "cmsg" ] && m="-m"58 [ $ovr == "both" ] && m="-M $MARK -m"59 60 ip netns exec $NS ./cmsg_sender -$i -p $p $m $((MARK + 1)) $TGT 123461 check_result $? 0 "$prot $ovr - pass"62 63 [ $ovr == "diff" ] && m="-M $((MARK + 1)) -m"64 65 ip netns exec $NS ./cmsg_sender -$i -p $p $m $MARK -s $TGT 123466 check_result $? 1 "$prot $ovr - rejection"67 done68 done69done70 71# Summary72if [ $BAD -ne 0 ]; then73 echo "FAIL - $BAD/$TOTAL cases failed"74 exit 175else76 echo "OK"77 exit 078fi79