mirror of
https://git.FreeBSD.org/src.git
synced 2024-10-18 02:19:39 +00:00
ipfw tests: Add basic coverage of divert(4) use cases
Reviewed by: kp Approved by: kp (mentor) Differential Revision: https://reviews.freebsd.org/D47163
This commit is contained in:
parent
157e93e0e8
commit
cc7ec8fe3b
@ -2,7 +2,9 @@ PACKAGE= tests
|
||||
|
||||
TESTSDIR= ${TESTSBASE}/sys/netpfil/ipfw
|
||||
|
||||
ATF_TESTS_SH+= fwd
|
||||
ATF_TESTS_SH+= fwd \
|
||||
divert
|
||||
|
||||
${PACKAGE}FILES+= fwd_inetd.conf
|
||||
|
||||
# Allow tests to run in parallel in their own jails
|
||||
|
281
tests/sys/netpfil/ipfw/divert.sh
Normal file
281
tests/sys/netpfil/ipfw/divert.sh
Normal file
@ -0,0 +1,281 @@
|
||||
#
|
||||
# SPDX-License-Identifier: BSD-2-Clause
|
||||
#
|
||||
# Copyright (c) 2023 Igor Ostapenko <pm@igoro.pro>
|
||||
#
|
||||
# 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.
|
||||
|
||||
#
|
||||
# ipfw divert action test cases
|
||||
#
|
||||
# -----------| |-- |----| ----| |-----------
|
||||
# ( ) inbound |ipfw| ) -> |host| -> ( ) |ipfw| outbound )
|
||||
# -----------| | |-- |----| ----| | |-----------
|
||||
# | |
|
||||
# \|/ \|/
|
||||
# |------| |------|
|
||||
# |divapp| |divapp|
|
||||
# |------| |------|
|
||||
#
|
||||
# The basic cases:
|
||||
# - inbound > diverted | divapp terminated
|
||||
# - inbound > diverted > inbound | host terminated
|
||||
# - inbound > diverted > outbound | network terminated
|
||||
# - outbound > diverted | divapp terminated
|
||||
# - outbound > diverted > outbound | network terminated
|
||||
# - outbound > diverted > inbound | e.g. host terminated
|
||||
#
|
||||
# When a packet is diverted, forwarded, and possibly diverted again:
|
||||
# - inbound > diverted > inbound > forwarded
|
||||
# > outbound | network terminated
|
||||
# - inbound > diverted > inbound > forwarded
|
||||
# > outbound > diverted > outbound | network terminated
|
||||
#
|
||||
# Test case naming legend:
|
||||
# in - inbound
|
||||
# div - diverted
|
||||
# out - outbound
|
||||
# fwd - forwarded
|
||||
#
|
||||
|
||||
. $(atf_get_srcdir)/../common/utils.subr
|
||||
|
||||
divert_init()
|
||||
{
|
||||
if ! kldstat -q -m ipdivert; then
|
||||
atf_skip "This test requires ipdivert"
|
||||
fi
|
||||
}
|
||||
|
||||
atf_test_case "in_div" "cleanup"
|
||||
in_div_head()
|
||||
{
|
||||
atf_set descr 'Test inbound > diverted | divapp terminated'
|
||||
atf_set require.user root
|
||||
}
|
||||
in_div_body()
|
||||
{
|
||||
firewall_init "ipfw"
|
||||
divert_init
|
||||
|
||||
epair=$(vnet_mkepair)
|
||||
vnet_mkjail div ${epair}b
|
||||
ifconfig ${epair}a 192.0.2.1/24 up
|
||||
jexec div ifconfig ${epair}b 192.0.2.2/24 up
|
||||
jexec div ipfw add 65534 allow all from any to any
|
||||
|
||||
# Sanity check
|
||||
atf_check -s exit:0 -o ignore ping -c3 192.0.2.2
|
||||
|
||||
jexec div ipfw add 100 divert 2000 icmp from any to any in icmptypes 8
|
||||
|
||||
jexec div $(atf_get_srcdir)/../common/divapp 2000 &
|
||||
divapp_pid=$!
|
||||
# Wait for the divapp to be ready
|
||||
sleep 1
|
||||
|
||||
# divapp is expected to "eat" the packet
|
||||
atf_check -s not-exit:0 -o ignore ping -c1 -t1 192.0.2.2
|
||||
|
||||
wait $divapp_pid
|
||||
}
|
||||
in_div_cleanup()
|
||||
{
|
||||
firewall_cleanup "ipfw"
|
||||
}
|
||||
|
||||
atf_test_case "in_div_in" "cleanup"
|
||||
in_div_in_head()
|
||||
{
|
||||
atf_set descr 'Test inbound > diverted > inbound | host terminated'
|
||||
atf_set require.user root
|
||||
}
|
||||
in_div_in_body()
|
||||
{
|
||||
firewall_init "ipfw"
|
||||
divert_init
|
||||
|
||||
epair=$(vnet_mkepair)
|
||||
vnet_mkjail div ${epair}b
|
||||
ifconfig ${epair}a 192.0.2.1/24 up
|
||||
jexec div ifconfig ${epair}b 192.0.2.2/24 up
|
||||
jexec div ipfw add 65534 allow all from any to any
|
||||
|
||||
# Sanity check
|
||||
atf_check -s exit:0 -o ignore ping -c3 192.0.2.2
|
||||
|
||||
jexec div ipfw add 100 divert 2000 icmp from any to any in icmptypes 8
|
||||
|
||||
jexec div $(atf_get_srcdir)/../common/divapp 2000 divert-back &
|
||||
divapp_pid=$!
|
||||
# Wait for the divapp to be ready
|
||||
sleep 1
|
||||
|
||||
# divapp is NOT expected to "eat" the packet
|
||||
atf_check -s exit:0 -o ignore ping -c1 192.0.2.2
|
||||
|
||||
wait $divapp_pid
|
||||
}
|
||||
in_div_in_cleanup()
|
||||
{
|
||||
firewall_cleanup "ipfw"
|
||||
}
|
||||
|
||||
atf_test_case "out_div" "cleanup"
|
||||
out_div_head()
|
||||
{
|
||||
atf_set descr 'Test outbound > diverted | divapp terminated'
|
||||
atf_set require.user root
|
||||
}
|
||||
out_div_body()
|
||||
{
|
||||
firewall_init "ipfw"
|
||||
divert_init
|
||||
|
||||
epair=$(vnet_mkepair)
|
||||
vnet_mkjail div ${epair}b
|
||||
ifconfig ${epair}a 192.0.2.1/24 up
|
||||
jexec div ifconfig ${epair}b 192.0.2.2/24 up
|
||||
jexec div ipfw add 65534 allow all from any to any
|
||||
|
||||
# Sanity check
|
||||
atf_check -s exit:0 -o ignore ping -c3 192.0.2.2
|
||||
|
||||
jexec div ipfw add 100 divert 2000 icmp from any to any out icmptypes 0
|
||||
|
||||
jexec div $(atf_get_srcdir)/../common/divapp 2000 &
|
||||
divapp_pid=$!
|
||||
# Wait for the divapp to be ready
|
||||
sleep 1
|
||||
|
||||
# divapp is expected to "eat" the packet
|
||||
atf_check -s not-exit:0 -o ignore ping -c1 -t1 192.0.2.2
|
||||
|
||||
wait $divapp_pid
|
||||
}
|
||||
out_div_cleanup()
|
||||
{
|
||||
firewall_cleanup "ipfw"
|
||||
}
|
||||
|
||||
atf_test_case "out_div_out" "cleanup"
|
||||
out_div_out_head()
|
||||
{
|
||||
atf_set descr 'Test outbound > diverted > outbound | network terminated'
|
||||
atf_set require.user root
|
||||
}
|
||||
out_div_out_body()
|
||||
{
|
||||
firewall_init "ipfw"
|
||||
divert_init
|
||||
|
||||
epair=$(vnet_mkepair)
|
||||
vnet_mkjail div ${epair}b
|
||||
ifconfig ${epair}a 192.0.2.1/24 up
|
||||
jexec div ifconfig ${epair}b 192.0.2.2/24 up
|
||||
jexec div ipfw add 65534 allow all from any to any
|
||||
|
||||
# Sanity check
|
||||
atf_check -s exit:0 -o ignore ping -c3 192.0.2.2
|
||||
|
||||
jexec div ipfw add 100 divert 2000 icmp from any to any out icmptypes 0
|
||||
|
||||
jexec div $(atf_get_srcdir)/../common/divapp 2000 divert-back &
|
||||
divapp_pid=$!
|
||||
# Wait for the divapp to be ready
|
||||
sleep 1
|
||||
|
||||
# divapp is NOT expected to "eat" the packet
|
||||
atf_check -s exit:0 -o ignore ping -c1 192.0.2.2
|
||||
|
||||
wait $divapp_pid
|
||||
}
|
||||
out_div_out_cleanup()
|
||||
{
|
||||
firewall_cleanup "ipfw"
|
||||
}
|
||||
|
||||
atf_test_case "in_div_in_fwd_out_div_out" "cleanup"
|
||||
in_div_in_fwd_out_div_out_head()
|
||||
{
|
||||
atf_set descr 'Test inbound > diverted > inbound > forwarded > outbound > diverted > outbound | network terminated'
|
||||
atf_set require.user root
|
||||
}
|
||||
in_div_in_fwd_out_div_out_body()
|
||||
{
|
||||
firewall_init "ipfw"
|
||||
divert_init
|
||||
|
||||
# host <a--epair0--b> router <a--epair1--b> site
|
||||
epair0=$(vnet_mkepair)
|
||||
epair1=$(vnet_mkepair)
|
||||
|
||||
vnet_mkjail router ${epair0}b ${epair1}a
|
||||
ifconfig ${epair0}a 192.0.2.1/24 up
|
||||
jexec router sysctl net.inet.ip.forwarding=1
|
||||
jexec router ifconfig ${epair0}b 192.0.2.2/24 up
|
||||
jexec router ifconfig ${epair1}a 198.51.100.1/24 up
|
||||
jexec router ipfw add 65534 allow all from any to any
|
||||
|
||||
vnet_mkjail site ${epair1}b
|
||||
jexec site ifconfig ${epair1}b 198.51.100.2/24 up
|
||||
jexec site ipfw add 65534 allow all from any to any
|
||||
jexec site route add default 198.51.100.1
|
||||
|
||||
route add -net 198.51.100.0/24 192.0.2.2
|
||||
|
||||
# Sanity check
|
||||
atf_check -s exit:0 -o ignore ping -c3 192.0.2.2
|
||||
|
||||
# Should be routed without diversion
|
||||
atf_check -s exit:0 -o ignore ping -c3 198.51.100.2
|
||||
|
||||
jexec router ipfw add 100 divert 2001 icmp from any to any in icmptypes 8
|
||||
jexec router ipfw add 200 divert 2002 icmp from any to any out icmptypes 8
|
||||
|
||||
jexec router $(atf_get_srcdir)/../common/divapp 2001 divert-back &
|
||||
indivapp_pid=$!
|
||||
jexec router $(atf_get_srcdir)/../common/divapp 2002 divert-back &
|
||||
outdivapp_pid=$!
|
||||
# Wait for the divappS to be ready
|
||||
sleep 1
|
||||
|
||||
# Both divappS are NOT expected to "eat" the packet
|
||||
atf_check -s exit:0 -o ignore ping -c1 198.51.100.2
|
||||
|
||||
wait $indivapp_pid && wait $outdivapp_pid
|
||||
}
|
||||
in_div_in_fwd_out_div_out_cleanup()
|
||||
{
|
||||
firewall_cleanup "ipfw"
|
||||
}
|
||||
|
||||
atf_init_test_cases()
|
||||
{
|
||||
atf_add_test_case "in_div"
|
||||
atf_add_test_case "in_div_in"
|
||||
|
||||
atf_add_test_case "out_div"
|
||||
atf_add_test_case "out_div_out"
|
||||
|
||||
atf_add_test_case "in_div_in_fwd_out_div_out"
|
||||
}
|
Loading…
Reference in New Issue
Block a user