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9bbfbc92c6
Test if setting SO_MARK with setsockopt works and if cmsg takes precedence over it. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
78 lines
1.5 KiB
Bash
Executable File
78 lines
1.5 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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NS=ns
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IP4=172.16.0.1/24
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TGT4=172.16.0.2
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IP6=2001:db8:1::1/64
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TGT6=2001:db8:1::2
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MARK=1000
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cleanup()
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{
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ip netns del $NS
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}
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trap cleanup EXIT
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# Namespaces
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ip netns add $NS
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ip netns exec $NS sysctl -w net.ipv4.ping_group_range='0 2147483647' > /dev/null
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# Connectivity
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ip -netns $NS link add type dummy
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ip -netns $NS link set dev dummy0 up
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ip -netns $NS addr add $IP4 dev dummy0
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ip -netns $NS addr add $IP6 dev dummy0
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ip -netns $NS rule add fwmark $MARK lookup 300
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ip -6 -netns $NS rule add fwmark $MARK lookup 300
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ip -netns $NS route add prohibit any table 300
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ip -6 -netns $NS route add prohibit any table 300
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# Test
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BAD=0
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TOTAL=0
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check_result() {
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((TOTAL++))
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if [ $1 -ne $2 ]; then
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echo " Case $3 returned $1, expected $2"
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((BAD++))
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fi
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}
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for ovr in setsock cmsg both; do
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for i in 4 6; do
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[ $i == 4 ] && TGT=$TGT4 || TGT=$TGT6
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for p in u i r; do
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[ $p == "u" ] && prot=UDP
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[ $p == "i" ] && prot=ICMP
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[ $p == "r" ] && prot=RAW
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[ $ovr == "setsock" ] && m="-M"
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[ $ovr == "cmsg" ] && m="-m"
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[ $ovr == "both" ] && m="-M $MARK -m"
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ip netns exec $NS ./cmsg_sender -$i -p $p $m $((MARK + 1)) $TGT 1234
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check_result $? 0 "$prot $ovr - pass"
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[ $ovr == "diff" ] && m="-M $((MARK + 1)) -m"
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ip netns exec $NS ./cmsg_sender -$i -p $p $m $MARK -s $TGT 1234
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check_result $? 1 "$prot $ovr - rejection"
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done
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done
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done
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# Summary
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if [ $BAD -ne 0 ]; then
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echo "FAIL - $BAD/$TOTAL cases failed"
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exit 1
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else
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echo "OK"
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exit 0
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fi
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