From: Tobias Brunner Date: Wed, 2 Jun 2021 15:07:01 +0000 (+0200) Subject: testing: Add per-CPU SA test scenario X-Git-Tag: 6.0.2dr1~5^2~6 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=bf34484d24e3c007d158c582f88d1817f126fd5d;p=thirdparty%2Fstrongswan.git testing: Add per-CPU SA test scenario --- diff --git a/testing/tests/ikev2/per-cpu-sas/description.txt b/testing/tests/ikev2/per-cpu-sas/description.txt new file mode 100755 index 0000000000..3e4a97c9b9 --- /dev/null +++ b/testing/tests/ikev2/per-cpu-sas/description.txt @@ -0,0 +1,10 @@ +The two gateways moon and sun are configured to use per-CPU +CHILD_SAs in order to improve performance. Using the taskset utility +pings are sent from different CPUs triggering the creation of additional SA +via the installed trap policy. The first ping triggers the creation of a +fallback SA that's used while per-CPU SAs are created for later packets. Note +that responses sent from the peer may create per-CPU SAs that are not triggered +by local acquires. +

+The updown script automatically inserts iptables-based firewall rules +that let pass the tunneled traffic. diff --git a/testing/tests/ikev2/per-cpu-sas/evaltest.dat b/testing/tests/ikev2/per-cpu-sas/evaltest.dat new file mode 100755 index 0000000000..c0bc830df4 --- /dev/null +++ b/testing/tests/ikev2/per-cpu-sas/evaltest.dat @@ -0,0 +1,80 @@ +moon::swanctl --list-pols --raw 2> /dev/null::net-net.*mode=TUNNEL local-ts=\[10.1.0.0/16] remote-ts=\[10.2.0.0/16]::YES +moon::cat /var/log/daemon.log::creating acquire job for policy 10.1.0.1/32\[icmp/8] === 10.2.0.10/32\[icmp/8]::YES +moon::cat /var/log/daemon.log::creating acquire job for policy 10.1.0.1/32\[icmp/8] === 10.2.0.10/32\[icmp/8].*cpu::NO +moon::swanctl --list-sas --raw 2> /dev/null::gw-gw.*version=2 state=ESTABLISHED local-host=192.168.0.1 local-port=500 local-id=moon.strongswan.org remote-host=192.168.0.2 remote-port=500 remote-id=sun.strongswan.org initiator=yes.*encr-alg=AES_CBC encr-keysize=128 integ-alg=HMAC_SHA2_256_128 prf-alg=PRF_HMAC_SHA2_256 dh-group=CURVE_25519.*child-sas.*net-net.*state=INSTALLED mode=TUNNEL.*ESP.*per-cpu-sas=yes.*encr-alg=AES_GCM_16 encr-keysize=128.*local-ts=\[10.1.0.0/16] remote-ts=\[10.2.0.0/16]::YES +sun:: swanctl --list-sas --raw 2> /dev/null::gw-gw.*version=2 state=ESTABLISHED local-host=192.168.0.2 local-port=500 local-id=sun.strongswan.org remote-host=192.168.0.1 remote-port=500 remote-id=moon.strongswan.org.*encr-alg=AES_CBC encr-keysize=128 integ-alg=HMAC_SHA2_256_128 prf-alg=PRF_HMAC_SHA2_256 dh-group=CURVE_25519.*child-sas.*net-net.*state=INSTALLED mode=TUNNEL.*ESP.*per-cpu-sas=yes.*encr-alg=AES_GCM_16 encr-keysize=128.*local-ts=\[10.2.0.0/16] remote-ts=\[10.1.0.0/16]::YES +# this triggers a per-CPU SA for CPU 1 and creates one for CPU 3 as responder, +# the packet is sent and received via fallback SA +moon::taskset -c 1 ping -c 1 -I PH_IP_MOON1 PH_IP_BOB::64 bytes from PH_IP_BOB: icmp_.eq=1::YES +moon::cat /var/log/daemon.log::creating acquire job for policy 10.1.0.1/32\[icmp/8] === 10.2.0.10/32\[icmp/8].*cpu {1}::YES +moon::swanctl --list-sas --child-id 2 --raw 2> /dev/null::child-sas.*net-net.*packets-in=1.*packets-out=1::YES +moon::swanctl --list-sas --child-id 3 --raw 2> /dev/null::child-sas.*net-net.*cpu=1.*packets-in=0.*packets-out=0::YES +moon::swanctl --list-sas --child-id 4 --raw 2> /dev/null::child-sas.*net-net.*cpu=3.*packets-in=0.*packets-out=0::YES +# this takes the per-CPU SA created above, the response most likely the one +# created as responder +moon::taskset -c 1 ping -c 1 -I PH_IP_MOON1 PH_IP_BOB::64 bytes from PH_IP_BOB: icmp_.eq=1::YES +moon::swanctl --list-sas --child-id 2 --raw 2> /dev/null::child-sas.*net-net.*packets-in=1.*packets-out=1::YES +moon::swanctl --list-sas --child-id 3 --raw 2> /dev/null::child-sas.*net-net.*cpu=1.*packets-in=0.*packets-out=1::YES +moon::swanctl --list-sas --child-id 4 --raw 2> /dev/null::child-sas.*net-net.*cpu=3.*packets-in=1.*packets-out=0::YES +# trigger another SA for CPU 0, request is sent via fallback SA, received via sub SA +moon::taskset -c 0 ping -c 1 -I PH_IP_MOON1 PH_IP_BOB::64 bytes from PH_IP_BOB: icmp_.eq=1::YES +moon::cat /var/log/daemon.log::creating acquire job for policy 10.1.0.1/32\[icmp/8] === 10.2.0.10/32\[icmp/8].*cpu {0}::YES +moon::swanctl --list-sas --child-id 2 --raw 2> /dev/null::child-sas.*net-net.*packets-in=1.*packets-out=2::YES +moon::swanctl --list-sas --child-id 3 --raw 2> /dev/null::child-sas.*net-net.*cpu=1.*packets-in=0.*packets-out=1::YES +moon::swanctl --list-sas --child-id 4 --raw 2> /dev/null::child-sas.*net-net.*cpu=3.*packets-in=2.*packets-out=0::YES +moon::swanctl --list-sas --child-id 5 --raw 2> /dev/null::child-sas.*net-net.*cpu=0.*packets-in=0.*packets-out=0::YES +# create a final SA for CPU 2, request is sent via fallback SA, response via one of the +# sub SAs (depends on the CPU assignment on the responder as it has to assign multiple +# SAs to the same CPU, so it could be either the one with unique ID 5, as it might +# be the newer one for that CPU, or it could be the original SA with unique ID 4) +moon::taskset -c 2 ping -c 1 -I PH_IP_MOON1 PH_IP_BOB::64 bytes from PH_IP_BOB: icmp_.eq=1::YES +moon::cat /var/log/daemon.log::creating acquire job for policy 10.1.0.1/32\[icmp/8] === 10.2.0.10/32\[icmp/8].*cpu {2}::YES +moon::swanctl --list-sas --child-id 2 --raw 2> /dev/null::child-sas.*net-net.*packets-in=1.*packets-out=3::YES +moon::swanctl --list-sas --child-id 3 --raw 2> /dev/null::child-sas.*net-net.*cpu=1.*packets-in=0.*packets-out=1::YES +moon::swanctl --list-sas --child-id 4 --raw 2> /dev/null::child-sas.*net-net.*cpu=3.*packets-in=2.*packets-out=0::YES +moon::swanctl --list-sas --child-id 5 --raw 2> /dev/null::child-sas.*net-net.*cpu=0.*packets-in=1.*packets-out=0::YES +moon::swanctl --list-sas --child-id 6 --raw 2> /dev/null::child-sas.*net-net.*cpu=2.*packets-in=0.*packets-out=0::YES +# all these pings must be sent via their respective SAs, never the fallback SA +moon::taskset -c 0 ping -c 1 -I PH_IP_MOON1 PH_IP_BOB::64 bytes from PH_IP_BOB: icmp_.eq=1::YES +moon::taskset -c 1 ping -c 1 -I PH_IP_MOON1 PH_IP_BOB::64 bytes from PH_IP_BOB: icmp_.eq=1::YES +moon::taskset -c 2 ping -c 1 -I PH_IP_MOON1 PH_IP_BOB::64 bytes from PH_IP_BOB: icmp_.eq=1::YES +moon::taskset -c 3 ping -c 1 -I PH_IP_MOON1 PH_IP_BOB::64 bytes from PH_IP_BOB: icmp_.eq=1::YES +moon::swanctl --list-sas --child-id 2 --raw 2> /dev/null::child-sas.*net-net.*packets-in=1.*packets-out=3::YES +moon::swanctl --list-sas --child-id 3 --raw 2> /dev/null::child-sas.*net-net.*cpu=1.*packets-in=0.*packets-out=2::YES +moon::swanctl --list-sas --child-id 4 --raw 2> /dev/null::child-sas.*net-net.*cpu=3.*packets-in=2.*packets-out=1::YES +moon::swanctl --list-sas --child-id 5 --raw 2> /dev/null::child-sas.*net-net.*cpu=0.*packets-in=1.*packets-out=1::YES +moon::swanctl --list-sas --child-id 6 --raw 2> /dev/null::child-sas.*net-net.*cpu=2.*packets-in=4.*packets-out=1::YES +# rekey an SA as initiator +moon::swanctl --rekey --child-id 5 +moon::sleep .5 +moon::taskset -c 0 ping -c 1 -I PH_IP_MOON1 PH_IP_BOB::64 bytes from PH_IP_BOB: icmp_.eq=1::YES +moon::swanctl --list-sas --child-id 7 --raw 2> /dev/null::child-sas.*net-net.*cpu=0.*packets-in=1.*packets-out=1::YES +# rekey an SA as responder +sun::swanctl --rekey --child-id 6 +moon::sleep .5 +moon::taskset -c 2 ping -c 1 -I PH_IP_MOON1 PH_IP_BOB::64 bytes from PH_IP_BOB: icmp_.eq=1::YES +moon::swanctl --list-sas --child-id 8 --raw 2> /dev/null::child-sas.*net-net.*cpu=2.*packets-in=1.*packets-out=1::YES +# rekey the fallback SA +moon::swanctl --rekey --child-id 2 +moon::sleep .5 +moon::swanctl --list-sas --child-id 9 --raw 2> /dev/null::child-sas.*net-net.*packets-in=0.*packets-out=0::YES +# all these pings must be sent via their respective SAs, never the fallback SA and not +# the old ones that remain to process delayed inbound packets +moon::taskset -c 0 ping -c 1 -I PH_IP_MOON1 PH_IP_BOB::64 bytes from PH_IP_BOB: icmp_.eq=1::YES +moon::taskset -c 1 ping -c 1 -I PH_IP_MOON1 PH_IP_BOB::64 bytes from PH_IP_BOB: icmp_.eq=1::YES +moon::taskset -c 2 ping -c 1 -I PH_IP_MOON1 PH_IP_BOB::64 bytes from PH_IP_BOB: icmp_.eq=1::YES +moon::taskset -c 3 ping -c 1 -I PH_IP_MOON1 PH_IP_BOB::64 bytes from PH_IP_BOB: icmp_.eq=1::YES +moon::swanctl --list-sas --child-id 2 --raw 2> /dev/null::child-sas.*net-net.*state=DELETED.*packets-in=1.*packets-out=3::YES +moon::swanctl --list-sas --child-id 3 --raw 2> /dev/null::child-sas.*net-net.*state=INSTALLED.*cpu=1.*packets-in=0.*packets-out=3::YES +moon::swanctl --list-sas --child-id 4 --raw 2> /dev/null::child-sas.*net-net.*state=INSTALLED.*cpu=3.*packets-in=2.*packets-out=2::YES +moon::swanctl --list-sas --child-id 5 --raw 2> /dev/null::child-sas.*net-net.*state=DELETED.*cpu=0.*packets-in=1.*packets-out=1::YES +moon::swanctl --list-sas --child-id 6 --raw 2> /dev/null::child-sas.*net-net.*state=DELETED.*cpu=2.*packets-in=4.*packets-out=1::YES +moon::swanctl --list-sas --child-id 7 --raw 2> /dev/null::child-sas.*net-net.*state=INSTALLED.*cpu=0.*packets-in=1.*packets-out=2::YES +moon::swanctl --list-sas --child-id 8 --raw 2> /dev/null::child-sas.*net-net.*state=INSTALLED.*cpu=2.*packets-in=5.*packets-out=2::YES +moon::swanctl --list-sas --child-id 9 --raw 2> /dev/null::child-sas.*net-net.*state=INSTALLED.*packets-in=0.*packets-out=0::YES +# also test forwarding (we don't know which SA this takes, but never the fallback SA) +alice::ping -c 1 PH_IP_BOB::64 bytes from PH_IP_BOB: icmp_.eq=1::YES +moon::swanctl --list-sas --child-id 2 --raw 2> /dev/null::child-sas.*net-net.*state=DELETED.*packets-in=1.*packets-out=3::YES +moon::swanctl --list-sas --child-id 9 --raw 2> /dev/null::child-sas.*net-net.*state=INSTALLED.*packets-in=0.*packets-out=0::YES +sun::tcpdump::IP moon.strongswan.org > sun.strongswan.org: ESP::YES +sun::tcpdump::IP sun.strongswan.org > moon.strongswan.org: ESP::YES diff --git a/testing/tests/ikev2/per-cpu-sas/hosts/moon/etc/strongswan.conf b/testing/tests/ikev2/per-cpu-sas/hosts/moon/etc/strongswan.conf new file mode 100755 index 0000000000..8af0dabb29 --- /dev/null +++ b/testing/tests/ikev2/per-cpu-sas/hosts/moon/etc/strongswan.conf @@ -0,0 +1,15 @@ +# /etc/strongswan.conf - strongSwan configuration file + +swanctl { + load = pem pkcs1 revocation constraints pubkey openssl random +} + +charon-systemd { + load = random nonce openssl pem pkcs1 revocation curl kernel-netlink socket-default updown vici + + syslog { + daemon { + knl = 2 + } + } +} diff --git a/testing/tests/ikev2/per-cpu-sas/hosts/moon/etc/swanctl/swanctl.conf b/testing/tests/ikev2/per-cpu-sas/hosts/moon/etc/swanctl/swanctl.conf new file mode 100755 index 0000000000..e80e172c84 --- /dev/null +++ b/testing/tests/ikev2/per-cpu-sas/hosts/moon/etc/swanctl/swanctl.conf @@ -0,0 +1,33 @@ +connections { + + gw-gw { + local_addrs = 192.168.0.1 + remote_addrs = 192.168.0.2 + + local { + auth = pubkey + certs = moonCert.pem + id = moon.strongswan.org + } + remote { + auth = pubkey + id = sun.strongswan.org + } + children { + net-net { + local_ts = 10.1.0.0/16 + remote_ts = 10.2.0.0/16 + + per_cpu_sas = yes + + start_action = trap + updown = /usr/local/libexec/ipsec/_updown iptables + hostaccess = yes + esp_proposals = aes128gcm128-x25519 + } + } + version = 2 + mobike = no + proposals = aes128-sha256-x25519 + } +} diff --git a/testing/tests/ikev2/per-cpu-sas/hosts/sun/etc/strongswan.conf b/testing/tests/ikev2/per-cpu-sas/hosts/sun/etc/strongswan.conf new file mode 100755 index 0000000000..8af0dabb29 --- /dev/null +++ b/testing/tests/ikev2/per-cpu-sas/hosts/sun/etc/strongswan.conf @@ -0,0 +1,15 @@ +# /etc/strongswan.conf - strongSwan configuration file + +swanctl { + load = pem pkcs1 revocation constraints pubkey openssl random +} + +charon-systemd { + load = random nonce openssl pem pkcs1 revocation curl kernel-netlink socket-default updown vici + + syslog { + daemon { + knl = 2 + } + } +} diff --git a/testing/tests/ikev2/per-cpu-sas/hosts/sun/etc/swanctl/swanctl.conf b/testing/tests/ikev2/per-cpu-sas/hosts/sun/etc/swanctl/swanctl.conf new file mode 100755 index 0000000000..d5b3caf628 --- /dev/null +++ b/testing/tests/ikev2/per-cpu-sas/hosts/sun/etc/swanctl/swanctl.conf @@ -0,0 +1,33 @@ +connections { + + gw-gw { + local_addrs = 192.168.0.2 + remote_addrs = 192.168.0.1 + + local { + auth = pubkey + certs = sunCert.pem + id = sun.strongswan.org + } + remote { + auth = pubkey + id = moon.strongswan.org + } + children { + net-net { + local_ts = 10.2.0.0/16 + remote_ts = 10.1.0.0/16 + + per_cpu_sas = yes + + start_action = trap + updown = /usr/local/libexec/ipsec/_updown iptables + hostaccess = yes + esp_proposals = aes128gcm128-x25519 + } + } + version = 2 + mobike = no + proposals = aes128-sha256-x25519 + } +} diff --git a/testing/tests/ikev2/per-cpu-sas/posttest.dat b/testing/tests/ikev2/per-cpu-sas/posttest.dat new file mode 100755 index 0000000000..cc6a5bff73 --- /dev/null +++ b/testing/tests/ikev2/per-cpu-sas/posttest.dat @@ -0,0 +1,5 @@ +moon::swanctl --terminate --ike gw-gw 2> /dev/null +moon::systemctl stop strongswan +sun::systemctl stop strongswan +moon::iptables-restore < /etc/iptables.flush +sun::iptables-restore < /etc/iptables.flush diff --git a/testing/tests/ikev2/per-cpu-sas/pretest.dat b/testing/tests/ikev2/per-cpu-sas/pretest.dat new file mode 100755 index 0000000000..273643c480 --- /dev/null +++ b/testing/tests/ikev2/per-cpu-sas/pretest.dat @@ -0,0 +1,11 @@ +sun::iptables-restore < /etc/iptables.rules +moon::iptables-restore < /etc/iptables.rules +sun::systemctl start strongswan +moon::systemctl start strongswan +sun::expect-connection gw-gw +moon::expect-connection gw-gw +# triggering packet apparently goes via lo +moon::iptables -A OUTPUT -o lo -d 10.2.0.0/16 -j ACCEPT +# trigger the creation of the fallback SA, use -I so no UDP socket is used to +# determine the source address and trigger the acqurie (this packet is lost) +moon::ping -c 1 -W 1 -I PH_IP_MOON1 PH_IP_BOB diff --git a/testing/tests/ikev2/per-cpu-sas/test.conf b/testing/tests/ikev2/per-cpu-sas/test.conf new file mode 100755 index 0000000000..07a3b247a1 --- /dev/null +++ b/testing/tests/ikev2/per-cpu-sas/test.conf @@ -0,0 +1,25 @@ +#!/bin/bash +# +# This configuration file provides information on the +# guest instances used for this test + +# All guest instances that are required for this test +# +VIRTHOSTS="alice moon winnetou sun bob" + +# Corresponding block diagram +# +DIAGRAM="a-m-w-s-b.png" + +# Guest instances on which tcpdump is to be started +# +TCPDUMPHOSTS="sun" + +# Guest instances on which IPsec is started +# Used for IPsec logging purposes +# +IPSECHOSTS="moon sun" + +# charon controlled by swanctl +# +SWANCTL=1