xref: /freebsd/tests/sys/netpfil/pf/proxy.sh (revision 2e3f49888ec8851bafb22011533217487764fdb0)
1#
2# SPDX-License-Identifier: BSD-2-Clause
3#
4# Copyright (c) 2021 Rubicon Communications, LLC (Netgate)
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14#
15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25# SUCH DAMAGE.
26
27. $(atf_get_srcdir)/utils.subr
28
29common_dir=$(atf_get_srcdir)/../common
30
31atf_test_case "ftp" "cleanup"
32ftp_head()
33{
34	atf_set descr 'Test ftp-proxy'
35	atf_set require.user root
36	atf_set require.progs twistd
37}
38
39ftp_body()
40{
41	pft_init
42
43	epair_client=$(vnet_mkepair)
44	epair_link=$(vnet_mkepair)
45
46	ifconfig ${epair_client}a 192.0.2.2/24 up
47	route add -net 198.51.100.0/24 192.0.2.1
48
49	vnet_mkjail fwd ${epair_client}b ${epair_link}a
50	jexec fwd ifconfig ${epair_client}b 192.0.2.1/24 up
51	jexec fwd ifconfig ${epair_link}a 198.51.100.1/24 up
52	jexec fwd ifconfig lo0 127.0.0.1/8 up
53	jexec fwd sysctl net.inet.ip.forwarding=1
54
55	vnet_mkjail srv ${epair_link}b
56	jexec srv ifconfig ${epair_link}b 198.51.100.2/24 up
57	jexec srv route add default 198.51.100.1
58
59	# Start FTP server in srv
60	jexec srv twistd ftp -r `pwd` -p 21
61
62	# Sanity check
63	atf_check -s exit:0 -o ignore ping -c 1 198.51.100.2
64
65	jexec fwd pfctl -e
66	pft_set_rules fwd \
67		"nat on ${epair_link}a inet from 192.0.2.0/24 to any -> (${epair_link}a)" \
68		"nat-anchor \"ftp-proxy/*\"" \
69		"rdr-anchor \"ftp-proxy/*\"" \
70		"rdr pass on ${epair_client}b proto tcp from 192.0.2.0/24 to any port 21 -> 127.0.0.1 port 8021" \
71		"anchor \"ftp-proxy/*\"" \
72		"pass out proto tcp from 127.0.0.1 to any port 21"
73	jexec fwd /usr/sbin/ftp-proxy
74
75	# Create a dummy file to download
76	echo 'foo' > remote.txt
77	echo 'get remote.txt local.txt' | ftp -a 198.51.100.2
78
79	# Compare the downloaded file to the original
80	if ! diff -q local.txt remote.txt;
81	then
82		atf_fail 'Failed to retrieve file'
83	fi
84}
85
86ftp_cleanup()
87{
88	pft_cleanup
89}
90
91atf_init_test_cases()
92{
93	atf_add_test_case "ftp"
94}
95