155 lines
3.3 KiB
Bash
Executable File
155 lines
3.3 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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source lib.sh
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IP6=2001:db8:1::1/64
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TGT6=2001:db8:1::2
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TMPF=$(mktemp --suffix ".pcap")
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cleanup()
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{
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rm -f $TMPF
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cleanup_ns $NS
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}
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trap cleanup EXIT
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tcpdump -h | grep immediate-mode >> /dev/null
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if [ $? -ne 0 ]; then
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echo "SKIP - tcpdump with --immediate-mode option required"
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exit $ksft_skip
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fi
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# Namespaces
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setup_ns NS
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NSEXE="ip netns exec $NS"
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$NSEXE 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 $IP6 dev dummy0
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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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# IPV6_DONTFRAG
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for ovr in setsock cmsg both diff; do
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for df in 0 1; do
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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="-F $df"
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[ $ovr == "cmsg" ] && m="-f $df"
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[ $ovr == "both" ] && m="-F $df -f $df"
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[ $ovr == "diff" ] && m="-F $((1 - df)) -f $df"
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$NSEXE ./cmsg_sender -s -S 2000 -6 -p $p $m $TGT6 1234
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check_result $? $df "DONTFRAG $prot $ovr"
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done
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done
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done
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# IPV6_TCLASS
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TOS=0x10
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TOS2=0x20
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ip -6 -netns $NS rule add tos $TOS lookup 300
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ip -6 -netns $NS route add table 300 prohibit any
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for ovr in setsock cmsg both diff; do
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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="-C"
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[ $ovr == "cmsg" ] && m="-c"
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[ $ovr == "both" ] && m="-C $((TOS2)) -c"
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[ $ovr == "diff" ] && m="-C $((TOS )) -c"
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$NSEXE nohup tcpdump --immediate-mode -p -ni dummy0 -w $TMPF -c 4 2> /dev/null &
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BG=$!
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sleep 0.05
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$NSEXE ./cmsg_sender -6 -p $p $m $((TOS2)) $TGT6 1234
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check_result $? 0 "TCLASS $prot $ovr - pass"
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while [ -d /proc/$BG ]; do
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$NSEXE ./cmsg_sender -6 -p $p $m $((TOS2)) $TGT6 1234
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done
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tcpdump -r $TMPF -v 2>&1 | grep "class $TOS2" >> /dev/null
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check_result $? 0 "TCLASS $prot $ovr - packet data"
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rm $TMPF
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[ $ovr == "both" ] && m="-C $((TOS )) -c"
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[ $ovr == "diff" ] && m="-C $((TOS2)) -c"
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$NSEXE ./cmsg_sender -6 -p $p $m $((TOS)) -s $TGT6 1234
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check_result $? 1 "TCLASS $prot $ovr - rejection"
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done
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done
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# IPV6_HOPLIMIT
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LIM=4
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for ovr in setsock cmsg both diff; do
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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="-L"
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[ $ovr == "cmsg" ] && m="-l"
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[ $ovr == "both" ] && m="-L $LIM -l"
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[ $ovr == "diff" ] && m="-L $((LIM + 1)) -l"
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$NSEXE nohup tcpdump --immediate-mode -p -ni dummy0 -w $TMPF -c 4 2> /dev/null &
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BG=$!
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sleep 0.05
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$NSEXE ./cmsg_sender -6 -p $p $m $LIM $TGT6 1234
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check_result $? 0 "HOPLIMIT $prot $ovr - pass"
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while [ -d /proc/$BG ]; do
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$NSEXE ./cmsg_sender -6 -p $p $m $LIM $TGT6 1234
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done
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tcpdump -r $TMPF -v 2>&1 | grep "hlim $LIM[^0-9]" >> /dev/null
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check_result $? 0 "HOPLIMIT $prot $ovr - packet data"
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rm $TMPF
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done
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done
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# IPV6 exthdr
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for p in u i r; do
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# Very basic "does it crash" test
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for h in h d r; do
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$NSEXE ./cmsg_sender -p $p -6 -H $h $TGT6 1234
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check_result $? 0 "ExtHdr $prot $ovr - pass"
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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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