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import socket
from argparse import ArgumentTypeError as Fatal
from unittest.mock import patch
import pytest
import sshuttle.options
_ip4_reprs = {
'0.0.0.0': '0.0.0.0',
'255.255.255.255': '255.255.255.255',
'10.0': '10.0.0.0',
'184.172.10.74': '184.172.10.74',
'3098282570': '184.172.10.74',
'0xb8.0xac.0x0a.0x4a': '184.172.10.74',
'0270.0254.0012.0112': '184.172.10.74',
}
_ip4_swidths = (1, 8, 22, 27, 32)
_ip6_reprs = {
'::': '::',
'::1': '::1',
'fc00::': 'fc00::',
'2a01:7e00:e000:188::1': '2a01:7e00:e000:188::1'
}
_ip6_swidths = (48, 64, 96, 115, 128)
def _mock_getaddrinfo(host, *_):
return {
"example.com": [
(socket.AF_INET6, socket.SOCK_STREAM, 0, '', ('2606:2800:220:1:248:1893:25c8:1946', 0, 0, 0)),
(socket.AF_INET, socket.SOCK_STREAM, 0, '', ('93.184.216.34', 0)),
],
"my.local": [
(socket.AF_INET6, socket.SOCK_STREAM, 0, '', ('::1', 0, 0, 0)),
(socket.AF_INET, socket.SOCK_STREAM, 0, '', ('127.0.0.1', 0)),
],
"*.blogspot.com": [
(socket.AF_INET6, socket.SOCK_STREAM, 0, '', ('2404:6800:4004:821::2001', 0, 0, 0)),
(socket.AF_INET, socket.SOCK_STREAM, 0, '', ('142.251.42.129', 0)),
],
}.get(host, [])
def test_parse_subnetport_ip4():
for ip_repr, ip in _ip4_reprs.items():
assert sshuttle.options.parse_subnetport(ip_repr) \
== [(socket.AF_INET, ip, 32, 0, 0)]
with pytest.raises(Fatal) as excinfo:
sshuttle.options.parse_subnetport('10.256.0.0')
assert str(excinfo.value) == 'Unable to resolve address: 10.256.0.0'
def test_parse_subnetport_ip4_with_mask():
for ip_repr, ip in _ip4_reprs.items():
for swidth in _ip4_swidths:
assert sshuttle.options.parse_subnetport(
'/'.join((ip_repr, str(swidth)))
) == [(socket.AF_INET, ip, swidth, 0, 0)]
assert sshuttle.options.parse_subnetport('0/0') \
== [(socket.AF_INET, '0.0.0.0', 0, 0, 0)]
with pytest.raises(Fatal) as excinfo:
sshuttle.options.parse_subnetport('10.0.0.0/33')
assert str(excinfo.value) \
== 'Slash in CIDR notation (/33) is not between 0 and 32'
def test_parse_subnetport_ip4_with_port():
for ip_repr, ip in _ip4_reprs.items():
assert sshuttle.options.parse_subnetport(':'.join((ip_repr, '80'))) \
== [(socket.AF_INET, ip, 32, 80, 80)]
assert sshuttle.options.parse_subnetport(':'.join((ip_repr, '80-90')))\
== [(socket.AF_INET, ip, 32, 80, 90)]
def test_parse_subnetport_ip4_with_mask_and_port():
for ip_repr, ip in _ip4_reprs.items():
assert sshuttle.options.parse_subnetport(ip_repr + '/32:80') \
== [(socket.AF_INET, ip, 32, 80, 80)]
assert sshuttle.options.parse_subnetport(ip_repr + '/16:80-90') \
== [(socket.AF_INET, ip, 16, 80, 90)]
def test_parse_subnetport_ip6():
for ip_repr, ip in _ip6_reprs.items():
assert sshuttle.options.parse_subnetport(ip_repr) \
== [(socket.AF_INET6, ip, 128, 0, 0)]
def test_parse_subnetport_ip6_with_mask():
for ip_repr, ip in _ip6_reprs.items():
for swidth in _ip4_swidths + _ip6_swidths:
assert sshuttle.options.parse_subnetport(
'/'.join((ip_repr, str(swidth)))
) == [(socket.AF_INET6, ip, swidth, 0, 0)]
assert sshuttle.options.parse_subnetport('::/0') \
== [(socket.AF_INET6, '::', 0, 0, 0)]
with pytest.raises(Fatal) as excinfo:
sshuttle.options.parse_subnetport('fc00::/129')
assert str(excinfo.value) \
== 'Slash in CIDR notation (/129) is not between 0 and 128'
def test_parse_subnetport_ip6_with_port():
for ip_repr, ip in _ip6_reprs.items():
assert sshuttle.options.parse_subnetport('[' + ip_repr + ']:80') \
== [(socket.AF_INET6, ip, 128, 80, 80)]
assert sshuttle.options.parse_subnetport('[' + ip_repr + ']:80-90') \
== [(socket.AF_INET6, ip, 128, 80, 90)]
def test_parse_subnetport_ip6_with_mask_and_port():
for ip_repr, ip in _ip6_reprs.items():
assert sshuttle.options.parse_subnetport('[' + ip_repr + '/128]:80') \
== [(socket.AF_INET6, ip, 128, 80, 80)]
assert sshuttle.options.parse_subnetport('[' + ip_repr + '/16]:80-90')\
== [(socket.AF_INET6, ip, 16, 80, 90)]
def test_convert_arg_line_to_args_skips_comments():
parser = sshuttle.options.MyArgumentParser()
assert parser.convert_arg_line_to_args("# whatever something") == []
@patch('sshuttle.options.socket.getaddrinfo', side_effect=_mock_getaddrinfo)
def test_parse_subnetport_host(mock_getaddrinfo):
assert set(sshuttle.options.parse_subnetport('example.com')) \
== set([
(socket.AF_INET6, '2606:2800:220:1:248:1893:25c8:1946', 128, 0, 0),
(socket.AF_INET, '93.184.216.34', 32, 0, 0),
])
assert set(sshuttle.options.parse_subnetport('my.local')) \
== set([
(socket.AF_INET6, '::1', 128, 0, 0),
(socket.AF_INET, '127.0.0.1', 32, 0, 0),
])
assert set(sshuttle.options.parse_subnetport('*.blogspot.com')) \
== set([
(socket.AF_INET6, '2404:6800:4004:821::2001', 128, 0, 0),
(socket.AF_INET, '142.251.42.129', 32, 0, 0),
])
@patch('sshuttle.options.socket.getaddrinfo', side_effect=_mock_getaddrinfo)
def test_parse_subnetport_host_with_port(mock_getaddrinfo):
assert set(sshuttle.options.parse_subnetport('example.com:80')) \
== set([
(socket.AF_INET6, '2606:2800:220:1:248:1893:25c8:1946', 128, 80, 80),
(socket.AF_INET, '93.184.216.34', 32, 80, 80),
])
assert set(sshuttle.options.parse_subnetport('example.com:80-90')) \
== set([
(socket.AF_INET6, '2606:2800:220:1:248:1893:25c8:1946', 128, 80, 90),
(socket.AF_INET, '93.184.216.34', 32, 80, 90),
])
assert set(sshuttle.options.parse_subnetport('my.local:445')) \
== set([
(socket.AF_INET6, '::1', 128, 445, 445),
(socket.AF_INET, '127.0.0.1', 32, 445, 445),
])
assert set(sshuttle.options.parse_subnetport('my.local:445-450')) \
== set([
(socket.AF_INET6, '::1', 128, 445, 450),
(socket.AF_INET, '127.0.0.1', 32, 445, 450),
])
assert set(sshuttle.options.parse_subnetport('*.blogspot.com:80')) \
== set([
(socket.AF_INET6, '2404:6800:4004:821::2001', 128, 80, 80),
(socket.AF_INET, '142.251.42.129', 32, 80, 80),
])
assert set(sshuttle.options.parse_subnetport('*.blogspot.com:80-90')) \
== set([
(socket.AF_INET6, '2404:6800:4004:821::2001', 128, 80, 90),
(socket.AF_INET, '142.251.42.129', 32, 80, 90),
])
def test_parse_namespace():
valid_namespaces = [
'my_namespace',
'my.namespace',
'my_namespace_with_underscore',
'MyNamespace',
'@my_namespace',
'my.long_namespace.with.multiple.dots',
'@my.long_namespace.with.multiple.dots',
'my.Namespace.With.Mixed.Case',
]
for namespace in valid_namespaces:
assert sshuttle.options.parse_namespace(namespace) == namespace
invalid_namespaces = [
'',
'123namespace',
'my-namespace',
'my_namespace!',
'.my_namespace',
'my_namespace.',
'my..namespace',
]
for namespace in invalid_namespaces:
with pytest.raises(Fatal, match="'.*' is not a valid namespace name."):
sshuttle.options.parse_namespace(namespace)
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