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# SPDX-License-Identifier: AGPL-3.0-or-later
#
# PASST - Plug A Simple Socket Transport
# for qemu/UNIX domain socket mode
#
# PASTA - Pack A Subtle Tap Abstraction
# for network namespace/tap device mode
#
# test/udp/passt - Check UDP functionality in passt mode
#
# Copyright (c) 2021 Red Hat GmbH
# Author: Stefano Brivio <sbrivio@redhat.com>
gtools nc tee grep cat ip jq md5sum cut
htools printf dd nc tee grep cat ip jq md5sum cut
test UDP/IPv4: host to guest
temp TEMP
temp NC_PID
guestb (nc -u -q1 -4 -l 10001 & echo $! > __NC_PID__) | tee test.bin | (grep -qm1 "END_OF_TEST" && kill $(cat __NC_PID__))
host dd if=/dev/urandom bs=1k count=5 > __TEMP__ && printf "\nEND_OF_TEST\n" >> __TEMP__
host cat __TEMP__ | nc -u -q1 -N 127.0.0.1 10001
guestw
hout HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
gout GUEST_MD5 md5sum test.bin | cut -d' ' -f1
check [ "__GUEST_MD5__" = "__HOST_MD5__" ]
test UDP/IPv4: guest to host
host :> __TEMP__
hostb (nc -u -q1 -4 -l 10003 & echo $! > __NC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __NC_PID__))
gout GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
guest cat test.bin | nc -u -q1 -N __GW__ 10003
hostw
hout HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
check [ "__GUEST_MD5__" = "__HOST_MD5__" ]
test UDP/IPv6: host to guest
guestb (nc -u -q1 -6 -l 10001 & echo $! > nc.pid) | tee test.bin | (grep -qm1 "END_OF_TEST" && kill $(cat nc.pid))
sleep 1
host cat __TEMP__ | nc -u -q1 -N ::1 10001
guestw
gout GUEST_MD5 md5sum test.bin | cut -d' ' -f1
check [ "__GUEST_MD5__" = "__HOST_MD5__" ]
test UDP/IPv6: guest to host
host :> __TEMP__
hostb (nc -u -q1 -6 -l 10003 & echo $! > __NC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __NC_PID__))
gout GW6 ip -j -6 route show|jq -rM '.[] | select(.dst == "default").gateway'
gout IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
guest cat test.bin | nc -u -q1 -N __GW6__%__IFNAME__ 10003
hostw
hout HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
check [ "__GUEST_MD5__" = "__HOST_MD5__" ]
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