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|
import pytest
from ovs.flow.filter import OFFilter
from ovs.flow.ofp import OFPFlow
from ovs.flow.odp import ODPFlow
@pytest.mark.parametrize(
"expr,flow,expected,match",
[
(
"nw_src=192.168.1.1 && tcp_dst=80",
OFPFlow(
"nw_src=192.168.1.1,tcp_dst=80 actions=drop"
),
True,
["nw_src", "tcp_dst"],
),
(
"nw_src=192.168.1.2 || tcp_dst=80",
OFPFlow(
"nw_src=192.168.1.1,tcp_dst=80 actions=drop"
),
True,
["nw_src", "tcp_dst"],
),
(
"nw_src=192.168.1.1 || tcp_dst=90",
OFPFlow(
"nw_src=192.168.1.1,tcp_dst=80 actions=drop"
),
True,
["nw_src", "tcp_dst"],
),
(
"nw_src=192.168.1.2 && tcp_dst=90",
OFPFlow(
"nw_src=192.168.1.1,tcp_dst=80 actions=drop"
),
False,
["nw_src", "tcp_dst"],
),
(
"nw_src=192.168.1.1",
OFPFlow(
"nw_src=192.168.1.0/24,tcp_dst=80 actions=drop"
),
False,
["nw_src"],
),
(
"nw_src~=192.168.1.1",
OFPFlow(
"nw_src=192.168.1.0/24,tcp_dst=80 actions=drop"
),
True,
["nw_src"],
),
(
"nw_src~=192.168.1.1/30",
OFPFlow(
"nw_src=192.168.1.0/24,tcp_dst=80 actions=drop"
),
True,
["nw_src"],
),
(
"nw_src~=192.168.1.0/16",
OFPFlow(
"nw_src=192.168.1.0/24,tcp_dst=80 actions=drop"
),
False,
["nw_src"],
),
(
"nw_src~=192.168.1.0/16",
OFPFlow(
"nw_src=192.168.1.0/24,tcp_dst=80 actions=drop"
),
False,
["nw_src"],
),
(
"n_bytes=100",
OFPFlow(
"n_bytes=100 priority=100,nw_src=192.168.1.0/24,tcp_dst=80 actions=drop" # noqa: E501
),
True,
["n_bytes"],
),
(
"n_bytes>10",
OFPFlow(
"n_bytes=100 priority=100,nw_src=192.168.1.0/24,tcp_dst=80 actions=drop" # noqa: E501
),
True,
["n_bytes"],
),
(
"n_bytes>100",
OFPFlow(
"n_bytes=100 priority=100,nw_src=192.168.1.0/24,tcp_dst=80 actions=drop" # noqa: E501
),
False,
["n_bytes"],
),
(
"n_bytes<100",
OFPFlow(
"n_bytes=100 priority=100,nw_src=192.168.1.0/24,tcp_dst=80 actions=drop" # noqa: E501
),
False,
["n_bytes"],
),
(
"n_bytes<1000",
OFPFlow(
"n_bytes=100 priority=100,nw_src=192.168.1.0/24,tcp_dst=80 actions=drop" # noqa: E501
),
True,
["n_bytes"],
),
(
"n_bytes>0 && drop=true",
OFPFlow(
"n_bytes=100 priority=100,nw_src=192.168.1.0/24,tcp_dst=80 actions=drop" # noqa: E501
),
True,
["n_bytes", "drop"],
),
(
"n_bytes>0 && drop=true",
OFPFlow(
"n_bytes=100 priority=100,nw_src=192.168.1.0/24,tcp_dst=80 actions=2" # noqa: E501
),
False,
["n_bytes"],
),
(
"n_bytes>10 && !output.port=3",
OFPFlow(
"n_bytes=100 priority=100,nw_src=192.168.1.0/24,tcp_dst=80 actions=2" # noqa: E501
),
True,
["n_bytes", "output"],
),
(
"dl_src=00:11:22:33:44:55",
OFPFlow(
"n_bytes=100 priority=100,dl_src=00:11:22:33:44:55,nw_src=192.168.1.0/24,tcp_dst=80 actions=2" # noqa: E501
),
True,
["dl_src"],
),
(
"dl_src~=00:11:22:33:44:55",
OFPFlow(
"n_bytes=100 priority=100,dl_src=00:11:22:33:44:55/ff:ff:ff:ff:ff:00,nw_src=192.168.1.0/24,tcp_dst=80 actions=2" # noqa: E501
),
True,
["dl_src"],
),
(
"dl_src~=00:11:22:33:44:66",
OFPFlow(
"n_bytes=100 priority=100,dl_src=00:11:22:33:44:55/ff:ff:ff:ff:ff:00,nw_src=192.168.1.0/24,tcp_dst=80 actions=2" # noqa: E501
),
True,
["dl_src"],
),
(
"dl_src~=00:11:22:33:44:66 && tp_dst=1000",
OFPFlow(
"n_bytes=100 priority=100,dl_src=00:11:22:33:44:55/ff:ff:ff:ff:ff:00,nw_src=192.168.1.0/24,tp_dst=0x03e8/0xfff8 actions=2" # noqa: E501
),
False,
["dl_src", "tp_dst"],
),
(
"dl_src~=00:11:22:33:44:66 && tp_dst~=1000",
OFPFlow(
"n_bytes=100 priority=100,dl_src=00:11:22:33:44:55/ff:ff:ff:ff:ff:00,nw_src=192.168.1.0/24,tp_dst=0x03e8/0xfff8 actions=2" # noqa: E501
),
True,
["dl_src", "tp_dst"],
),
(
"encap",
ODPFlow(
"encap(eth_type(0x0800),ipv4(src=10.76.23.240/255.255.255.248,dst=10.76.23.106,proto=17,tos=0/0,ttl=64,frag=no)) actions:drop" # noqa: E501
),
True,
["encap"],
),
(
"encap.ipv4.src=10.76.23.240",
ODPFlow(
"encap(eth_type(0x0800),ipv4(src=10.76.23.240/255.255.255.248,dst=10.76.23.106,proto=17,tos=0/0,ttl=64,frag=no)) actions:drop" # noqa: E501
),
False,
["encap"],
),
(
"encap.ipv4.src~=10.76.23.240",
ODPFlow(
"encap(eth_type(0x0800),ipv4(src=10.76.23.240/255.255.255.248,dst=10.76.23.106,proto=17,tos=0/0,ttl=64,frag=no)) actions:drop" # noqa: E501
),
True,
["encap"],
),
],
)
def test_filter(expr, flow, expected, match):
ffilter = OFFilter(expr)
result = ffilter.evaluate(flow)
if expected:
assert result
else:
assert not result
assert [kv.key for kv in result.kv] == match
|
