freebsd-nq/tests/sys/netpfil/pf/set_tos.sh
Kristof Provost f038a398da pf tests: Use pft_set_rules everywhere
We now have a utility function to set pf rules in the jail. Use it
whenever we need to set the pf rules in the test jail.
2017-10-16 15:05:32 +00:00

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# $FreeBSD$
. $(atf_get_srcdir)/utils.subr
atf_test_case "v4" "cleanup"
v4_head()
{
atf_set descr 'set-tos test'
atf_set require.user root
# We need scapy to be installed for out test scripts to work
atf_set require.progs scapy
}
v4_body()
{
pft_init
epair_send=$(pft_mkepair)
ifconfig ${epair_send}a 192.0.2.1/24 up
epair_recv=$(pft_mkepair)
ifconfig ${epair_recv}a up
pft_mkjail alcatraz ${epair_send}b ${epair_recv}b
jexec alcatraz ifconfig ${epair_send}b 192.0.2.2/24 up
jexec alcatraz ifconfig ${epair_recv}b 198.51.100.2/24 up
jexec alcatraz sysctl net.inet.ip.forwarding=1
jexec alcatraz arp -s 198.51.100.3 00:01:02:03:04:05
route add -net 198.51.100.0/24 192.0.2.2
jexec alcatraz pfctl -e
# No change is done if not requested
pft_set_rules alcatraz "scrub out proto icmp"
atf_check -s exit:1 -o ignore $(atf_get_srcdir)/pft_ping.py \
--sendif ${epair_send}a \
--to 198.51.100.3 \
--recvif ${epair_recv}a \
--expect-tos 42
# The requested ToS is set
pft_set_rules alcatraz "scrub out proto icmp set-tos 42"
atf_check -s exit:0 $(atf_get_srcdir)/pft_ping.py \
--sendif ${epair_send}a \
--to 198.51.100.3 \
--recvif ${epair_recv}a \
--expect-tos 42
# ToS is not changed if the scrub rule does not match
pft_set_rules alcatraz "scrub out proto tcp set-tos 42"
atf_check -s exit:1 -o ignore $(atf_get_srcdir)/pft_ping.py \
--sendif ${epair_send}a \
--to 198.51.100.3 \
--recvif ${epair_recv}a \
--expect-tos 42
# Multiple scrub rules match as expected
pft_set_rules alcatraz "scrub out proto tcp set-tos 13" \
"scrub out proto icmp set-tos 14"
atf_check -s exit:0 $(atf_get_srcdir)/pft_ping.py \
--sendif ${epair_send}a \
--to 198.51.100.3 \
--recvif ${epair_recv}a \
--expect-tos 14
# And this works even if the packet already has ToS values set
atf_check -s exit:0 $(atf_get_srcdir)/pft_ping.py \
--sendif ${epair_send}a \
--to 198.51.100.3 \
--recvif ${epair_recv}a \
--send-tos 42 \
--expect-tos 14
# ToS values are unmolested if the packets do not match a scrub rule
pft_set_rules alcatraz "scrub out proto tcp set-tos 13"
atf_check -s exit:0 $(atf_get_srcdir)/pft_ping.py \
--sendif ${epair_send}a \
--to 198.51.100.3 \
--recvif ${epair_recv}a \
--send-tos 42 \
--expect-tos 42
}
v4_cleanup()
{
pft_cleanup
}
atf_init_test_cases()
{
atf_add_test_case "v4"
}