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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# rotate TFO keys for ipv4/ipv6 and verify that the client does
# not present an invalid cookie.
set +x
set -e
readonly NETNS="ns-$(mktemp -u XXXXXX)"
setup() {
ip netns add "${NETNS}"
ip -netns "${NETNS}" link set lo up
ip netns exec "${NETNS}" sysctl -w net.ipv4.tcp_fastopen=3 \
>/dev/null 2>&1
}
cleanup() {
ip netns del "${NETNS}"
}
trap cleanup EXIT
setup
do_test() {
# flush routes before each run, otherwise successive runs can
# initially present an old TFO cookie
ip netns exec "${NETNS}" ip tcp_metrics flush
ip netns exec "${NETNS}" ./tcp_fastopen_backup_key "$1"
val=$(ip netns exec "${NETNS}" nstat -az | \
grep TcpExtTCPFastOpenPassiveFail | awk '{print $2}')
if [ "$val" != 0 ]; then
echo "FAIL: TcpExtTCPFastOpenPassiveFail non-zero"
return 1
fi
}
do_test "-4"
do_test "-6"
do_test "-4"
do_test "-6"
do_test "-4s"
do_test "-6s"
do_test "-4s"
do_test "-6s"
do_test "-4r"
do_test "-6r"
do_test "-4r"
do_test "-6r"
do_test "-4sr"
do_test "-6sr"
do_test "-4sr"
do_test "-6sr"
echo "all tests done"