testing: Migrate ikev2-stroke-bye scenarios to vici
This commit is contained in:
Andreas Steffen
@@ -0,0 +1,14 @@
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A connection between two identical <b>10.0.0.0/14</b> networks behind the gateways <b>moon</b>
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and <b>sun</b> is set up. In order to make network routing work, the subnet behind <b>moon</b>
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sees the subnet behind <b>sun</b> as <b>10.4.0.0/14</b> whereas the subnet behind <b>sun</b>
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sees the subnet behind <b>moon</b> as <b>10.8.0.0/14</b>. The necessary network mappings are
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done on gateway <b>sun</b> using the iptables <b>MARK</b> and <b>NETMAP</b> targets.
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<p/>
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Upon the successful establishment of the IPsec tunnel, on gateway <b>moon</b> the updown
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script automatically inserts iptables-based firewall rules that let pass
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the tunneled traffic. On gateway <b>sun</b>, a custom updown script
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inserts iptables rules that create the necessary NETMAP operations and forward the
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tunneled traffic.
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<p/>
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In order to test both tunnel and firewall, client <b>alice</b> behind gateway <b>moon</b>
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pings client <b>bob</b> located behind gateway <b>sun</b> and vice versa.
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@@ -0,0 +1,10 @@
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moon::swanctl --list-sas --raw 2> /dev/null::gw-gw.*version=2 state=ESTABLISHED local-host=PH_IP_MOON local-port=500 local-id=moon.strongswan.org remote-host=PH_IP_SUN 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.*encr-alg=AES_GCM_16 encr-keysize=128.*local-ts=\[10.0.0.0/14] remote-ts=\[10.4.0.0/14]::YES
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sun:: swanctl --list-sas --raw 2> /dev/null::gw-gw.*version=2 state=ESTABLISHED local-host=PH_IP_SUN local-port=500 local-id=sun.strongswan.org remote-host=PH_IP_MOON 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.*mark-in=00000008 mark-out=00000004 encr-alg=AES_GCM_16 encr-keysize=128.*local-ts=\[10.4.0.0/14] remote-ts=\[10.0.0.0/14]::YES
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alice::ping -c 1 10.6.0.10::64 bytes from 10.6.0.10: icmp_.eq=1::YES
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bob:: ping -c 1 10.9.0.10::64 bytes from 10.9.0.10: icmp_.eq=1::YES
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sun::tcpdump::IP moon.strongswan.org > sun.strongswan.org: ESP::YES
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sun::tcpdump::IP sun.strongswan.org > moon.strongswan.org: ESP::YES
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bob::tcpdump::IP 10.9.0.10 > bob.strongswan.org: ICMP echo request::YES
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bob::tcpdump::IP bob.strongswan.org > 10.9.0.10: ICMP echo reply::YES
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bob::tcpdump::IP bob.strongswan.org > 10.9.0.10: ICMP echo request::YES
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bob::tcpdump::IP 10.9.0.10 > bob.strongswan.org: ICMP echo reply::YES
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@@ -0,0 +1,5 @@
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# /etc/strongswan.conf - strongSwan configuration file
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charon {
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load = random nonce aes sha1 sha2 pem pkcs1 curve25519 gmp x509 curl revocation hmac vici kernel-netlink socket-default updown
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}
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@@ -0,0 +1,28 @@
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connections {
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gw-gw {
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local_addrs = PH_IP_MOON
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remote_addrs = PH_IP_SUN
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local {
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certs = moonCert.pem
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id = moon.strongswan.org
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}
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remote {
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auth = pubkey
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id = sun.strongswan.org
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}
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children {
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net-net {
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local_ts = 10.0.0.0/14
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remote_ts = 10.4.0.0/14
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updown = /usr/local/libexec/ipsec/_updown iptables
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esp_proposals = aes128gcm128-x25519
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}
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}
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version = 2
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mobike = no
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proposals = aes128-sha256-x25519
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}
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}
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@@ -0,0 +1,220 @@
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#!/bin/sh
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# updown script setting inbound marks on ESP traffic in the mangle chain
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#
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# Copyright (C) 2003-2004 Nigel Meteringham
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# Copyright (C) 2003-2004 Tuomo Soini
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# Copyright (C) 2002-2004 Michael Richardson
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# Copyright (C) 2005-2010 Andreas Steffen <[email protected]>
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 2 of the License, or (at your
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# option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# for more details.
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# CAUTION: Installing a new version of strongSwan will install a new
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# copy of this script, wiping out any custom changes you make. If
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# you need changes, make a copy of this under another name, and customize
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# that, and use the (left/right)updown parameters in ipsec.conf to make
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# strongSwan use yours instead of this default one.
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# PLUTO_VERSION
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# indicates what version of this interface is being
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# used. This document describes version 1.1. This
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# is upwardly compatible with version 1.0.
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#
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# PLUTO_VERB
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# specifies the name of the operation to be performed
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# (prepare-host, prepare-client, up-host, up-client,
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# down-host, or down-client). If the address family
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# for security gateway to security gateway communica-
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# tions is IPv6, then a suffix of -v6 is added to the
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# verb.
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#
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# PLUTO_CONNECTION
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# is the name of the connection for which we are
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# routing.
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#
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# PLUTO_INTERFACE
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# is the name of the ipsec interface to be used.
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#
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# PLUTO_REQID
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# is the reqid of the AH|ESP policy
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#
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# PLUTO_PROTO
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# is the negotiated IPsec protocol, ah|esp
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#
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# PLUTO_IPCOMP
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# is not empty if IPComp was negotiated
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#
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# PLUTO_UNIQUEID
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# is the unique identifier of the associated IKE_SA
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#
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# PLUTO_ME
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# is the IP address of our host.
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#
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# PLUTO_MY_ID
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# is the ID of our host.
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#
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# PLUTO_MY_CLIENT
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# is the IP address / count of our client subnet. If
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# the client is just the host, this will be the
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# host's own IP address / max (where max is 32 for
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# IPv4 and 128 for IPv6).
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#
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# PLUTO_MY_SOURCEIP
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# PLUTO_MY_SOURCEIP4_$i
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# PLUTO_MY_SOURCEIP6_$i
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# contains IPv4/IPv6 virtual IP received from a responder,
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# $i enumerates from 1 to the number of IP per address family.
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# PLUTO_MY_SOURCEIP is a legacy variable and equal to the first
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# virtual IP, IPv4 or IPv6.
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#
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# PLUTO_MY_PROTOCOL
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# is the IP protocol that will be transported.
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#
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# PLUTO_MY_PORT
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# is the UDP/TCP port to which the IPsec SA is
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# restricted on our side. For ICMP/ICMPv6 this contains the
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# message type, and PLUTO_PEER_PORT the message code.
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#
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# PLUTO_PEER
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# is the IP address of our peer.
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#
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# PLUTO_PEER_ID
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# is the ID of our peer.
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#
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# PLUTO_PEER_CLIENT
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# is the IP address / count of the peer's client sub-
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# net. If the client is just the peer, this will be
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# the peer's own IP address / max (where max is 32
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# for IPv4 and 128 for IPv6).
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#
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# PLUTO_PEER_SOURCEIP
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# PLUTO_PEER_SOURCEIP4_$i
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# PLUTO_PEER_SOURCEIP6_$i
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# contains IPv4/IPv6 virtual IP sent to an initiator,
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# $i enumerates from 1 to the number of IP per address family.
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# PLUTO_PEER_SOURCEIP is a legacy variable and equal to the first
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# virtual IP, IPv4 or IPv6.
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#
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# PLUTO_PEER_PROTOCOL
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# is the IP protocol that will be transported.
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#
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# PLUTO_PEER_PORT
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# is the UDP/TCP port to which the IPsec SA is
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# restricted on the peer side. For ICMP/ICMPv6 this contains the
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# message code, and PLUTO_MY_PORT the message type.
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#
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# PLUTO_XAUTH_ID
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# is an optional user ID employed by the XAUTH protocol
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#
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# PLUTO_MARK_IN
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# is an optional XFRM mark set on the inbound IPsec SA
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#
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# PLUTO_MARK_OUT
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# is an optional XFRM mark set on the outbound IPsec SA
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#
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# PLUTO_IF_ID_IN
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# is an optional XFRM interface ID set on the inbound IPsec SA
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#
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# PLUTO_IF_ID_OUT
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# is an optional XFRM interface ID set on the outbound IPsec SA
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#
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# PLUTO_UDP_ENC
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# contains the remote UDP port in the case of ESP_IN_UDP
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# encapsulation
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#
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# PLUTO_DNS4_$i
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# PLUTO_DNS6_$i
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# contains IPv4/IPv6 DNS server attribute received from a
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# responder, $i enumerates from 1 to the number of servers per
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# address family.
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#
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# define a minimum PATH environment in case it is not set
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PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/sbin:/usr/local/sbin"
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export PATH
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# check parameter(s)
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case "$1:$*" in
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':') # no parameters
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;;
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iptables:iptables) # due to (left/right)firewall; for default script only
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;;
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custom:*) # custom parameters (see above CAUTION comment)
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;;
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*) echo "$0: unknown parameters \`$*'" >&2
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exit 2
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;;
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esac
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# define NETMAP
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SAME_NET=$PLUTO_PEER_CLIENT
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IN_NET=$PLUTO_MY_CLIENT
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OUT_NET="10.8.0.0/14"
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# define internal interface
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INT_INTERFACE="eth1"
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# is there an outbound mark to be set?
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if [ -n "$PLUTO_MARK_OUT" ]
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then
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SET_MARK_OUT="-i $INT_INTERFACE -s $SAME_NET -d $OUT_NET -j MARK --set-mark $PLUTO_MARK_OUT"
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fi
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# resolve octal escape sequences
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PLUTO_MY_ID=`printf "$PLUTO_MY_ID"`
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PLUTO_PEER_ID=`printf "$PLUTO_PEER_ID"`
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case "$PLUTO_VERB:$1" in
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up-client:)
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# connection to my client subnet coming up
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# If you are doing a custom version, firewall commands go here.
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if [ -n "$PLUTO_MARK_IN" ]
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then
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iptables -t nat -A PREROUTING -i $PLUTO_INTERFACE -m mark --mark $PLUTO_MARK_IN \
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-d $IN_NET -j NETMAP --to $SAME_NET
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iptables -I FORWARD 1 -i $PLUTO_INTERFACE -m mark --mark $PLUTO_MARK_IN -j ACCEPT
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iptables -t nat -A POSTROUTING -o $INT_INTERFACE -m mark --mark $PLUTO_MARK_IN \
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-s $SAME_NET -j NETMAP --to $OUT_NET
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fi
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if [ -n "$PLUTO_MARK_OUT" ]
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then
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iptables -t mangle -A PREROUTING $SET_MARK_OUT
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iptables -t nat -A PREROUTING -i $INT_INTERFACE -m mark --mark $PLUTO_MARK_OUT \
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-d $OUT_NET -j NETMAP --to $SAME_NET
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iptables -I FORWARD 1 -o $PLUTO_INTERFACE -m mark --mark $PLUTO_MARK_OUT -j ACCEPT
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iptables -t nat -A POSTROUTING -o $PLUTO_INTERFACE -m mark --mark $PLUTO_MARK_OUT \
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-s $SAME_NET -j NETMAP --to $IN_NET
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fi
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;;
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down-client:)
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# connection to my client subnet going down
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# If you are doing a custom version, firewall commands go here.
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if [ -n "$PLUTO_MARK_IN" ]
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then
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iptables -t nat -D PREROUTING -i $PLUTO_INTERFACE -m mark --mark $PLUTO_MARK_IN \
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-d $IN_NET -j NETMAP --to $SAME_NET
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iptables -D FORWARD -i $PLUTO_INTERFACE -m mark --mark $PLUTO_MARK_IN -j ACCEPT
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iptables -t nat -D POSTROUTING -o eth1 -m mark --mark $PLUTO_MARK_IN \
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-s $SAME_NET -j NETMAP --to $OUT_NET
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fi
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if [ -n "$PLUTO_MARK_OUT" ]
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then
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iptables -t mangle -D PREROUTING $SET_MARK_OUT
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iptables -t nat -D PREROUTING -i $INT_INTERFACE -m mark --mark $PLUTO_MARK_OUT \
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-d $OUT_NET -j NETMAP --to $SAME_NET
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iptables -D FORWARD -o $PLUTO_INTERFACE -m mark --mark $PLUTO_MARK_OUT -j ACCEPT
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iptables -t nat -D POSTROUTING -o $PLUTO_INTERFACE -m mark --mark $PLUTO_MARK_OUT \
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-s $SAME_NET -j NETMAP --to $IN_NET
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fi
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;;
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*) echo "$0: unknown verb \`$PLUTO_VERB' or parameter \`$1'" >&2
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exit 1
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;;
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esac
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@@ -0,0 +1,5 @@
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# /etc/strongswan.conf - strongSwan configuration file
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charon {
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load = random nonce aes sha1 sha2 pem pkcs1 curve25519 gmp x509 curl revocation hmac vici kernel-netlink socket-default updown
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}
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@@ -0,0 +1,32 @@
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connections {
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gw-gw {
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local_addrs = PH_IP_SUN
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remote_addrs = PH_IP_MOON
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local {
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certs = sunCert.pem
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id = sun.strongswan.org
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}
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remote {
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auth = pubkey
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id = moon.strongswan.org
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}
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children {
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net-net {
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local_ts = 10.4.0.0/14
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remote_ts = 10.0.0.0/14
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mark_in = 8
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set_mark_in = %same
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mark_out = 4
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updown = /etc/mark_updown
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esp_proposals = aes128gcm128-x25519
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}
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}
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version = 2
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mobike = no
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proposals = aes128-sha256-x25519
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}
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}
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@@ -0,0 +1,6 @@
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sun::iptables -t mangle -n -v -L PREROUTING
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sun::iptables -t nat -n -v -L
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moon::systemctl stop strongswan
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sun::systemctl stop strongswan
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moon::iptables-restore < /etc/iptables.flush
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sun::iptables-restore < /etc/iptables.flush
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@@ -0,0 +1,7 @@
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moon::iptables-restore < /etc/iptables.rules
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sun::iptables-restore < /etc/iptables.rules
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moon::systemctl start strongswan
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sun::systemctl start strongswan
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moon::expect-connection gw-gw
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sun::expect-connection gw-gw
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moon::swanctl --initiate --child net-net
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@@ -0,0 +1,25 @@
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#!/bin/bash
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#
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# This configuration file provides information on the
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# guest instances used for this test
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# All guest instances that are required for this test
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#
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VIRTHOSTS="alice moon winnetou sun bob"
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# Corresponding block diagram
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#
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DIAGRAM="a-m-w-s-b.png"
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# Guest instances on which tcpdump is to be started
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#
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TCPDUMPHOSTS="sun bob"
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# Guest instances on which IPsec is started
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# Used for IPsec logging purposes
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#
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IPSECHOSTS="moon sun"
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# charon controlled by swanctl
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#
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SWANCTL=1
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Reference in New Issue
Block a user