git: 8fb9739615da - main - wg: Re-add basic if_wg(4) tests.
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Date: Fri, 16 Dec 2022 20:01:48 UTC
The branch main has been updated by jhb:
URL: https://cgit.FreeBSD.org/src/commit/?id=8fb9739615da8922fbd8988ccd77093d4ca335ba
commit 8fb9739615da8922fbd8988ccd77093d4ca335ba
Author: John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2022-12-16 20:01:26 +0000
Commit: John Baldwin <jhb@FreeBSD.org>
CommitDate: 2022-12-16 20:01:26 +0000
wg: Re-add basic if_wg(4) tests.
These were originally added in commit
74ae3f3e33b810248da19004c58b3581cd367843 but have been updated to use
wg(8).
Reviewed by: kevans, markj
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D37400
---
tests/sys/net/Makefile | 1 +
tests/sys/net/if_wg.sh | 197 +++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 198 insertions(+)
diff --git a/tests/sys/net/Makefile b/tests/sys/net/Makefile
index 73ac97d3b9e4..730727b3d688 100644
--- a/tests/sys/net/Makefile
+++ b/tests/sys/net/Makefile
@@ -14,6 +14,7 @@ ATF_TESTS_SH+= if_lagg_test
ATF_TESTS_SH+= if_stf
ATF_TESTS_SH+= if_tun_test
ATF_TESTS_SH+= if_vlan
+ATF_TESTS_SH+= if_wg
TESTS_SUBDIRS+= if_ovpn
TESTS_SUBDIRS+= routing
diff --git a/tests/sys/net/if_wg.sh b/tests/sys/net/if_wg.sh
new file mode 100644
index 000000000000..6946fb72524a
--- /dev/null
+++ b/tests/sys/net/if_wg.sh
@@ -0,0 +1,197 @@
+# $FreeBSD$
+#
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
+# Copyright (c) 2021 The FreeBSD Foundation
+#
+# This software was developed by Mark Johnston under sponsorship
+# from the FreeBSD Foundation.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+
+. $(atf_get_srcdir)/../common/vnet.subr
+
+atf_test_case "wg_basic" "cleanup"
+wg_basic_head()
+{
+ atf_set descr 'Create a wg(4) tunnel over an epair and pass traffic between jails'
+ atf_set require.user root
+}
+
+wg_basic_body()
+{
+ local epair pri1 pri2 pub1 pub2 wg1 wg2
+ local endpoint1 endpoint2 tunnel1 tunnel2
+
+ kldload -n if_wg
+
+ pri1=$(wg genkey)
+ pri2=$(wg genkey)
+
+ endpoint1=192.168.2.1
+ endpoint2=192.168.2.2
+ tunnel1=169.254.0.1
+ tunnel2=169.254.0.2
+
+ epair=$(vnet_mkepair)
+
+ vnet_init
+
+ vnet_mkjail wgtest1 ${epair}a
+ vnet_mkjail wgtest2 ${epair}b
+
+ # Workaround for PR 254212.
+ jexec wgtest1 ifconfig lo0 up
+ jexec wgtest2 ifconfig lo0 up
+
+ jexec wgtest1 ifconfig ${epair}a ${endpoint1}/24 up
+ jexec wgtest2 ifconfig ${epair}b ${endpoint2}/24 up
+
+ wg1=$(jexec wgtest1 ifconfig wg create)
+ echo "$pri1" | jexec wgtest1 wg set $wg1 listen-port 12345 \
+ private-key /dev/stdin
+ pub1=$(jexec wgtest1 wg show $wg1 public-key)
+ wg2=$(jexec wgtest2 ifconfig wg create)
+ echo "$pri2" | jexec wgtest2 wg set $wg2 listen-port 12345 \
+ private-key /dev/stdin
+ pub2=$(jexec wgtest2 wg show $wg2 public-key)
+
+ atf_check -s exit:0 -o ignore \
+ jexec wgtest1 wg set $wg1 peer "$pub2" \
+ endpoint ${endpoint2}:12345 allowed-ips ${tunnel2}/32
+ atf_check -s exit:0 \
+ jexec wgtest1 ifconfig $wg1 inet ${tunnel1}/24 up
+
+ atf_check -s exit:0 -o ignore \
+ jexec wgtest2 wg set $wg2 peer "$pub1" \
+ endpoint ${endpoint1}:12345 allowed-ips ${tunnel1}/32
+ atf_check -s exit:0 \
+ jexec wgtest2 ifconfig $wg2 inet ${tunnel2}/24 up
+
+ # Generous timeout since the handshake takes some time.
+ atf_check -s exit:0 -o ignore jexec wgtest1 ping -c 1 -t 5 $tunnel2
+ atf_check -s exit:0 -o ignore jexec wgtest2 ping -c 1 $tunnel1
+}
+
+wg_basic_cleanup()
+{
+ vnet_cleanup
+}
+
+# The kernel is expected to silently ignore any attempt to add a peer with a
+# public key identical to the host's.
+atf_test_case "wg_key_peerdev_shared" "cleanup"
+wg_key_peerdev_shared_head()
+{
+ atf_set descr 'Create a wg(4) interface with a shared pubkey between device and a peer'
+ atf_set require.user root
+}
+
+wg_key_peerdev_shared_body()
+{
+ local epair pri1 pub1 wg1
+ local endpoint1 tunnel1
+
+ kldload -n if_wg
+
+ pri1=$(wg genkey)
+
+ endpoint1=192.168.2.1
+ tunnel1=169.254.0.1
+
+ vnet_mkjail wgtest1
+
+ wg1=$(jexec wgtest1 ifconfig wg create)
+ echo "$pri1" | jexec wgtest1 wg set $wg1 listen-port 12345 \
+ private-key /dev/stdin
+ pub1=$(jexec wgtest1 wg show $wg1 public-key)
+
+ atf_check -s exit:0 \
+ jexec wgtest1 wg set ${wg1} peer "${pub1}" \
+ allowed-ips "${tunnel1}/32"
+
+ atf_check -o empty jexec wgtest1 wg show ${wg1} peers
+}
+
+wg_key_peerdev_shared_cleanup()
+{
+ vnet_cleanup
+}
+
+# When a wg(8) interface has a private key reassigned that corresponds to the
+# public key already on a peer, the kernel is expected to deconfigure the peer
+# to resolve the conflict.
+atf_test_case "wg_key_peerdev_makeshared" "cleanup"
+wg_key_peerdev_makeshared_head()
+{
+ atf_set descr 'Create a wg(4) interface and assign peer key to device'
+ atf_set require.progs wg
+}
+
+wg_key_peerdev_makeshared_body()
+{
+ local epair pri1 pub1 pri2 wg1 wg2
+ local endpoint1 tunnel1
+
+ kldload -n if_wg
+
+ pri1=$(wg genkey)
+ pri2=$(wg genkey)
+
+ endpoint1=192.168.2.1
+ tunnel1=169.254.0.1
+
+ vnet_mkjail wgtest1
+
+ wg1=$(jexec wgtest1 ifconfig wg create)
+ echo "$pri1" | jexec wgtest1 wg set $wg1 listen-port 12345 \
+ private-key /dev/stdin
+ pub1=$(jexec wgtest1 wg show $wg1 public-key)
+ wg2=$(jexec wgtest1 ifconfig wg create)
+ echo "$pri2" | jexec wgtest1 wg set $wg2 listen-port 12345 \
+ private-key /dev/stdin
+
+ atf_check -s exit:0 -o ignore \
+ jexec wgtest1 wg set ${wg2} peer "${pub1}" \
+ allowed-ips "${tunnel1}/32"
+
+ atf_check -o not-empty jexec wgtest1 wg show ${wg2} peers
+
+ jexec wgtest1 sh -c "echo '${pri1}' > pri1"
+
+ atf_check -s exit:0 \
+ jexec wgtest1 wg set ${wg2} private-key pri1
+
+ atf_check -o empty jexec wgtest1 wg show ${wg2} peers
+}
+
+wg_key_peerdev_makeshared_cleanup()
+{
+ vnet_cleanup
+}
+
+atf_init_test_cases()
+{
+ atf_add_test_case "wg_basic"
+ atf_add_test_case "wg_key_peerdev_shared"
+ atf_add_test_case "wg_key_peerdev_makeshared"
+}