xref: /freebsd/tests/sys/netpfil/pf/proxy.sh (revision ebacd8013fe5f7fdf9f6a5b286f6680dd2891036)
1# $FreeBSD$
2#
3# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4#
5# Copyright (c) 2021 Rubicon Communications, LLC (Netgate)
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1. Redistributions of source code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12# 2. Redistributions in binary form must reproduce the above copyright
13#    notice, this list of conditions and the following disclaimer in the
14#    documentation and/or other materials provided with the distribution.
15#
16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26# SUCH DAMAGE.
27
28. $(atf_get_srcdir)/utils.subr
29
30common_dir=$(atf_get_srcdir)/../common
31
32atf_test_case "ftp" "cleanup"
33ftp_head()
34{
35	atf_set descr 'Test ftp-proxy'
36	atf_set require.user root
37	atf_set require.progs twistd
38}
39
40ftp_body()
41{
42	pft_init
43
44	epair_client=$(vnet_mkepair)
45	epair_link=$(vnet_mkepair)
46
47	ifconfig ${epair_client}a 192.0.2.2/24 up
48	route add -net 198.51.100.0/24 192.0.2.1
49
50	vnet_mkjail fwd ${epair_client}b ${epair_link}a
51	jexec fwd ifconfig ${epair_client}b 192.0.2.1/24 up
52	jexec fwd ifconfig ${epair_link}a 198.51.100.1/24 up
53	jexec fwd ifconfig lo0 127.0.0.1/8 up
54	jexec fwd sysctl net.inet.ip.forwarding=1
55
56	vnet_mkjail srv ${epair_link}b
57	jexec srv ifconfig ${epair_link}b 198.51.100.2/24 up
58	jexec srv route add default 198.51.100.1
59
60	# Start FTP server in srv
61	jexec srv twistd ftp -r `pwd` -p 21
62
63	# Sanity check
64	atf_check -s exit:0 -o ignore ping -c 1 198.51.100.2
65
66	jexec fwd pfctl -e
67	pft_set_rules fwd \
68		"nat on ${epair_link}a inet from 192.0.2.0/24 to any -> (${epair_link}a)" \
69		"nat-anchor \"ftp-proxy/*\"" \
70		"rdr-anchor \"ftp-proxy/*\"" \
71		"rdr pass on ${epair_client}b proto tcp from 192.0.2.0/24 to any port 21 -> 127.0.0.1 port 8021" \
72		"anchor \"ftp-proxy/*\"" \
73		"pass out proto tcp from 127.0.0.1 to any port 21"
74	jexec fwd /usr/sbin/ftp-proxy
75
76	# Create a dummy file to download
77	echo 'foo' > remote.txt
78	echo 'get remote.txt local.txt' | ftp -a 198.51.100.2
79
80	# Compare the downloaded file to the original
81	if ! diff -q local.txt remote.txt;
82	then
83		atf_fail 'Failed to retrieve file'
84	fi
85}
86
87ftp_cleanup()
88{
89	pft_cleanup
90}
91
92atf_init_test_cases()
93{
94	atf_add_test_case "ftp"
95}
96