# 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_in_ns - Check UDP functionality for passt in ns and pasta # # Copyright (c) 2021 Red Hat GmbH # Author: Stefano Brivio gtools socat tee grep cat ip jq md5sum cut nstools socat tee grep cat ip jq md5sum cut htools printf dd socat tee grep cat ip jq md5sum cut test UDP/IPv4: host to guest temp TEMP temp SC_PID guestb (socat -u UDP4-LISTEN:10001 STDOUT & echo $! > sc.pid) | tee test.bin | (grep -qm1 "END_OF_TEST" && kill $(cat sc.pid)) host dd if=/dev/urandom bs=1k count=5 > __TEMP__ && printf "\nEND_OF_TEST\n" >> __TEMP__ host socat -u OPEN:__TEMP__ UDP4:127.0.0.1:10001 guestw hout MD5 md5sum __TEMP__ | cut -d' ' -f1 gout GUEST_MD5 md5sum test.bin | cut -d' ' -f1 check [ "__GUEST_MD5__" = "__MD5__" ] test UDP/IPv4: host to ns temp TEMP_NS nsb (socat -u UDP4-LISTEN:10002 STDOUT & echo $! > __SC_PID__) | tee __TEMP_NS__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__)) host socat -u OPEN:__TEMP__ UDP4:127.0.0.1:10002 nsw nsout NS_MD5 md5sum __TEMP_NS__ | cut -d' ' -f1 check [ "__NS_MD5__" = "__MD5__" ] test UDP/IPv4: guest to host hostb (socat -u UDP4-LISTEN:10003 STDOUT & echo $! > __SC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__)) gout GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway' guest socat -u OPEN:test.bin UDP4:__GW__:10003 hostw hout HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1 check [ "__HOST_MD5__" = "__MD5__" ] test UDP/IPv4: guest to ns nsb (socat -u UDP4-LISTEN:10002 STDOUT & echo $! > __SC_PID__) | tee __TEMP_NS__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__)) guest socat -u OPEN:test.bin UDP4:__GW__:10002 nsw hout HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1 check [ "__HOST_MD5__" = "__MD5__" ] test UDP/IPv4: ns to host (recvmmsg/sendmmsg) sleep 1 hostb (socat -u UDP4-LISTEN:10003 STDOUT & echo $! > __SC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__)) ns socat -u OPEN:__TEMP_NS__ UDP4:127.0.0.1:10003 hostw hout HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1 check [ "__HOST_MD5__" = "__MD5__" ] test UDP/IPv4: ns to host (via tap) hostb (socat -u UDP4-LISTEN:10003 STDOUT & echo $! > __SC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__)) ns socat -u OPEN:__TEMP_NS__ UDP4:__GW__:10003 hostw hout HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1 check [ "__HOST_MD5__" = "__MD5__" ] test UDP/IPv4: ns to guest (using loopback address) guestb (socat -u UDP4-LISTEN:10001 STDOUT & echo $! > sc.pid) | tee test.bin | (grep -qm1 "END_OF_TEST" && kill $(cat sc.pid)) ns socat -u OPEN:__TEMP_NS__ UDP4:127.0.0.1:10001 guestw gout GUEST_MD5 md5sum test.bin | cut -d' ' -f1 check [ "__GUEST_MD5__" = "__MD5__" ] test UDP/IPv4: ns to guest (using namespace address) guestb (socat -u UDP4-LISTEN:10001 STDOUT & echo $! > sc.pid) | tee test.bin | (grep -qm1 "END_OF_TEST" && kill $(cat sc.pid)) nsout IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname' nsout ADDR ip -j -4 addr show|jq -rM '.[] | select(.ifname == "__IFNAME__").addr_info[0].local' ns socat -u OPEN:__TEMP_NS__ UDP4:__ADDR__:10001 guestw gout GUEST_MD5 md5sum test.bin | cut -d' ' -f1 check [ "__GUEST_MD5__" = "__MD5__" ] test UDP/IPv6: host to guest guestb (socat -u UDP6-LISTEN:10001 STDOUT & echo $! > sc.pid) | tee test.bin | (grep -qm1 "END_OF_TEST" && kill $(cat sc.pid)) host socat -u OPEN:__TEMP__ UDP6:[::1]:10001 guestw gout GUEST_MD5 md5sum test.bin | cut -d' ' -f1 check [ "__GUEST_MD5__" = "__MD5__" ] test UDP/IPv6: host to ns nsb (socat -u UDP6-LISTEN:10002 STDOUT & echo $! > __SC_PID__) | tee __TEMP_NS__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__)) host socat -u OPEN:__TEMP__ UDP6:[::1]:10002 nsw nsout NS_MD5 md5sum __TEMP_NS__ | cut -d' ' -f1 check [ "__NS_MD5__" = "__MD5__" ] test UDP/IPv6: guest to host hostb (socat -u UDP6-LISTEN:10003 STDOUT & echo $! > __SC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_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 socat -u OPEN:test.bin UDP6:[__GW6__%__IFNAME__]:10003 hostw hout HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1 check [ "__HOST_MD5__" = "__MD5__" ] test UDP/IPv6: guest to ns nsb (socat -u UDP6-LISTEN:10002 STDOUT & echo $! > __SC_PID__) | tee __TEMP_NS__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__)) guest socat -u OPEN:test.bin UDP6:[__GW6__%__IFNAME__]:10002 nsw hout HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1 check [ "__HOST_MD5__" = "__MD5__" ] test UDP/IPv6: ns to host (recvmmsg/sendmmsg) hostb (socat -u UDP6-LISTEN:10003 STDOUT & echo $! > __SC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__)) ns socat -u OPEN:__TEMP_NS__ UDP6:[::1]:10003 hostw hout HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1 check [ "__HOST_MD5__" = "__MD5__" ] test UDP/IPv6: ns to host (via tap) hostb (socat -u UDP6-LISTEN:10003 STDOUT & echo $! > __SC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__)) nsout IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname' ns socat -u OPEN:__TEMP_NS__ UDP6:[__GW6__%__IFNAME__]:10003 hostw hout HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1 check [ "__HOST_MD5__" = "__MD5__" ] test UDP/IPv6: ns to guest (using loopback address) guestb (socat -u UDP6-LISTEN:10001 STDOUT & echo $! > sc.pid) | tee test.bin | (grep -qm1 "END_OF_TEST" && kill $(cat sc.pid)) ns socat -u OPEN:__TEMP_NS__ UDP6:[::1]:10001 guestw gout GUEST_MD5 md5sum test.bin | cut -d' ' -f1 check [ "__GUEST_MD5__" = "__MD5__" ] test UDP/IPv6: ns to guest (using namespace address) guestb (socat -u UDP6-LISTEN:10001 STDOUT & echo $! > sc.pid) | tee test.bin | (grep -qm1 "END_OF_TEST" && kill $(cat sc.pid)) nsout ADDR6 ip -j -6 addr show|jq -rM '.[] | select(.ifname == "__IFNAME__").addr_info[0].local' ns socat -u OPEN:__TEMP_NS__ UDP6:[__ADDR6__]:10001 guestw gout GUEST_MD5 md5sum test.bin | cut -d' ' -f1 check [ "__GUEST_MD5__" = "__MD5__" ]