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selftests: Add ipv6 netfilter tests to fcnal-test
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Add IPv6 netfilter tests to send tcp reset or icmp unreachable for a
port. Initial tests are VRF only.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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David Ahern authored and David S. Miller committed Aug 3, 2019
1 parent 88f2b36 commit db6641e
Showing 1 changed file with 64 additions and 1 deletion.
65 changes: 64 additions & 1 deletion tools/testing/selftests/net/fcnal-test.sh
Original file line number Diff line number Diff line change
Expand Up @@ -3185,6 +3185,68 @@ ipv4_netfilter()
iptables -F
}

netfilter_tcp6_reset()
{
local a

for a in ${NSA_IP6} ${VRF_IP6}
do
log_start
run_cmd nettest -6 -s &
sleep 1
run_cmd_nsb nettest -6 -r ${a}
log_test_addr ${a} $? 1 "Global server, reject with TCP-reset on Rx"
done
}

netfilter_icmp6()
{
local stype="$1"
local arg
local a

[ "${stype}" = "UDP" ] && arg="$arg -D"

for a in ${NSA_IP6} ${VRF_IP6}
do
log_start
run_cmd nettest -6 -s ${arg} &
sleep 1
run_cmd_nsb nettest -6 ${arg} -r ${a}
log_test_addr ${a} $? 1 "Global ${stype} server, Rx reject icmp-port-unreach"
done
}

ipv6_netfilter()
{
which nettest >/dev/null
if [ $? -ne 0 ]; then
log_error "nettest not found; skipping tests"
return
fi

log_section "IPv6 Netfilter"
log_subsection "TCP reset"

setup "yes"
run_cmd ip6tables -A INPUT -p tcp --dport 12345 -j REJECT --reject-with tcp-reset

netfilter_tcp6_reset

log_subsection "ICMP unreachable"

log_start
run_cmd ip6tables -F
run_cmd ip6tables -A INPUT -p tcp --dport 12345 -j REJECT --reject-with icmp6-port-unreachable
run_cmd ip6tables -A INPUT -p udp --dport 12345 -j REJECT --reject-with icmp6-port-unreachable

netfilter_icmp6 "TCP"
netfilter_icmp6 "UDP"

log_start
ip6tables -F
}

################################################################################
# usage

Expand All @@ -3206,7 +3268,7 @@ EOF
# main

TESTS_IPV4="ipv4_ping ipv4_tcp ipv4_udp ipv4_addr_bind ipv4_runtime ipv4_netfilter"
TESTS_IPV6="ipv6_ping ipv6_tcp ipv6_udp ipv6_addr_bind ipv6_runtime"
TESTS_IPV6="ipv6_ping ipv6_tcp ipv6_udp ipv6_addr_bind ipv6_runtime ipv6_netfilter"
PAUSE_ON_FAIL=no
PAUSE=no

Expand Down Expand Up @@ -3256,6 +3318,7 @@ do
ipv6_udp|udp6) ipv6_udp;;
ipv6_bind|bind6) ipv6_addr_bind;;
ipv6_runtime) ipv6_runtime;;
ipv6_netfilter) ipv6_netfilter;;

# setup namespaces and config, but do not run any tests
setup) setup; exit 0;;
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