| 1 | |
| 2 | |
| 3 |
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| 4 | source lib.sh
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| 5 |
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| 6 | IP4=172.16.0.1/24
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| 7 | TGT4=172.16.0.2
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| 8 | IP6=2001:db8:1::1/64
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| 9 | TGT6=2001:db8:1::2
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| 10 | MARK=1000
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| 11 |
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| 12 | cleanup()
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| 13 | {
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| 14 | cleanup_ns $NS
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| 15 | }
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| 16 |
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| 17 | trap cleanup EXIT
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| 18 |
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| 19 | |
| 20 | setup_ns NS
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| 21 |
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| 22 | ip netns exec $NS sysctl -w net.ipv4.ping_group_range='0 2147483647' > /dev/null
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| 23 |
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| 24 | |
| 25 | ip -netns $NS link add type dummy
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| 26 | ip -netns $NS link set dev dummy0 up
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| 27 | ip -netns $NS addr add $IP4 dev dummy0
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| 28 | ip -netns $NS addr add $IP6 dev dummy0
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| 29 |
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| 30 | ip -netns $NS rule add fwmark $MARK lookup 300
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| 31 | ip -6 -netns $NS rule add fwmark $MARK lookup 300
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| 32 | ip -netns $NS route add prohibit any table 300
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| 33 | ip -6 -netns $NS route add prohibit any table 300
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| 34 |
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| 35 | |
| 36 | BAD=0
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| 37 | TOTAL=0
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| 38 |
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| 39 | check_result() {
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| 40 | ((TOTAL++))
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| 41 | if [ $1 -ne $2 ]; then
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| 42 | echo " Case $3 returned $1, expected $2"
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| 43 | ((BAD++))
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| 44 | fi
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| 45 | }
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| 46 |
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| 47 | for ovr in setsock cmsg both; do
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| 48 | for i in 4 6; do
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| 49 | [ $i == 4 ] && TGT=$TGT4 || TGT=$TGT6
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| 50 |
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| 51 | for p in u i r; do
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| 52 | [ $p == "u" ] && prot=UDP
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| 53 | [ $p == "i" ] && prot=ICMP
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| 54 | [ $p == "r" ] && prot=RAW
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| 55 |
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| 56 | [ $ovr == "setsock" ] && m="-M"
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| 57 | [ $ovr == "cmsg" ] && m="-m"
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| 58 | [ $ovr == "both" ] && m="-M $MARK -m"
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| 59 |
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| 60 | ip netns exec $NS ./cmsg_sender -$i -p $p $m $((MARK + 1)) $TGT 1234
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| 61 | check_result $? 0 "$prot $ovr - pass"
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| 62 |
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| 63 | [ $ovr == "diff" ] && m="-M $((MARK + 1)) -m"
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| 64 |
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| 65 | ip netns exec $NS ./cmsg_sender -$i -p $p $m $MARK -s $TGT 1234
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| 66 | check_result $? 1 "$prot $ovr - rejection"
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| 67 | done
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| 68 | done
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| 69 | done
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| 70 |
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| 71 | |
| 72 | if [ $BAD -ne 0 ]; then
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| 73 | echo "FAIL - $BAD/$TOTAL cases failed"
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| 74 | exit 1
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| 75 | else
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| 76 | echo "OK"
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| 77 | exit 0
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| 78 | fi
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