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3bfb975ed9
sshuttle/tests/client/test_methods_tproxy.py
Bastian Venthur 3bfb975ed9 Fix/pep8 (#277) 
* re-organized imports according to pep8
* fixed all remaining pep8 issues
* moved common config into setup.cfg, additionally test `tests`
* removed --select=X -- the errors selected where by default not in
  flake8's --ignore list so effectively had no effect
* update .travis.yml to reflect changes in tox.ini
* make travis just use tox in order to avoid code duplaction
* replace py.test with pytest
* fixed .travis.yml
* try different pypy toxenv
* hopefully fixed testenv for pypy
* added pypy basepython, removed unused python2.6
* install dev package before testing (fixes missing coverage)
* fixed empty exception pass blocks with noqa
* Added dummy log message on empty try-except-pass blocks to make dodacy happy :(
* Replaced Exception with BaseException
2019-02-11 09:59:13 +11:00

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import socket
from socket import AF_INET, AF_INET6
from mock import Mock, patch, call
from sshuttle.methods import get_method
@patch("sshuttle.methods.tproxy.recvmsg")
def test_get_supported_features_recvmsg(mock_recvmsg):
method = get_method('tproxy')
features = method.get_supported_features()
assert features.ipv6
assert features.udp
assert features.dns
@patch("sshuttle.methods.tproxy.recvmsg", None)
def test_get_supported_features_norecvmsg():
method = get_method('tproxy')
features = method.get_supported_features()
assert features.ipv6
assert not features.udp
assert not features.dns
def test_get_tcp_dstip():
sock = Mock()
sock.getsockname.return_value = ('127.0.0.1', 1024)
method = get_method('tproxy')
assert method.get_tcp_dstip(sock) == ('127.0.0.1', 1024)
assert sock.mock_calls == [call.getsockname()]
@patch("sshuttle.methods.tproxy.recv_udp")
def test_recv_udp(mock_recv_udp):
mock_recv_udp.return_value = ("127.0.0.1", "127.0.0.2", "11111")
sock = Mock()
method = get_method('tproxy')
result = method.recv_udp(sock, 1024)
assert sock.mock_calls == []
assert mock_recv_udp.mock_calls == [call(sock, 1024)]
assert result == ("127.0.0.1", "127.0.0.2", "11111")
@patch("sshuttle.methods.socket.socket")
def test_send_udp(mock_socket):
sock = Mock()
method = get_method('tproxy')
method.send_udp(sock, "127.0.0.2", "127.0.0.1", "2222222")
assert sock.mock_calls == []
assert mock_socket.mock_calls == [
call(sock.family, 2),
call().setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1),
call().setsockopt(0, 19, 1),
call().bind('127.0.0.2'),
call().sendto("2222222", '127.0.0.1'),
call().close()
]
def test_setup_tcp_listener():
listener = Mock()
method = get_method('tproxy')
method.setup_tcp_listener(listener)
assert listener.mock_calls == [
call.setsockopt(0, 19, 1)
]
def test_setup_udp_listener():
listener = Mock()
method = get_method('tproxy')
method.setup_udp_listener(listener)
assert listener.mock_calls == [
call.setsockopt(0, 19, 1),
call.v4.setsockopt(0, 20, 1),
call.v6.setsockopt(41, 74, 1)
]
def test_assert_features():
method = get_method('tproxy')
features = method.get_supported_features()
method.assert_features(features)
def test_firewall_command():
method = get_method('tproxy')
assert not method.firewall_command("somthing")
@patch('sshuttle.methods.tproxy.ipt')
@patch('sshuttle.methods.tproxy.ipt_ttl')
@patch('sshuttle.methods.tproxy.ipt_chain_exists')
def test_setup_firewall(mock_ipt_chain_exists, mock_ipt_ttl, mock_ipt):
mock_ipt_chain_exists.return_value = True
method = get_method('tproxy')
assert method.name == 'tproxy'
# IPV6
method.setup_firewall(
1024, 1026,
[(AF_INET6, u'2404:6800:4004:80c::33')],
AF_INET6,
[(AF_INET6, 64, False, u'2404:6800:4004:80c::', 8000, 9000),
(AF_INET6, 128, True, u'2404:6800:4004:80c::101f', 8080, 8080)],
True,
None)
assert mock_ipt_chain_exists.mock_calls == [
call(AF_INET6, 'mangle', 'sshuttle-m-1024'),
call(AF_INET6, 'mangle', 'sshuttle-t-1024'),
call(AF_INET6, 'mangle', 'sshuttle-d-1024')
]
assert mock_ipt_ttl.mock_calls == []
assert mock_ipt.mock_calls == [
call(AF_INET6, 'mangle', '-D', 'OUTPUT', '-j', 'sshuttle-m-1024'),
call(AF_INET6, 'mangle', '-F', 'sshuttle-m-1024'),
call(AF_INET6, 'mangle', '-X', 'sshuttle-m-1024'),
call(AF_INET6, 'mangle', '-D', 'PREROUTING', '-j', 'sshuttle-t-1024'),
call(AF_INET6, 'mangle', '-F', 'sshuttle-t-1024'),
call(AF_INET6, 'mangle', '-X', 'sshuttle-t-1024'),
call(AF_INET6, 'mangle', '-F', 'sshuttle-d-1024'),
call(AF_INET6, 'mangle', '-X', 'sshuttle-d-1024'),
call(AF_INET6, 'mangle', '-N', 'sshuttle-m-1024'),
call(AF_INET6, 'mangle', '-F', 'sshuttle-m-1024'),
call(AF_INET6, 'mangle', '-N', 'sshuttle-d-1024'),
call(AF_INET6, 'mangle', '-F', 'sshuttle-d-1024'),
call(AF_INET6, 'mangle', '-N', 'sshuttle-t-1024'),
call(AF_INET6, 'mangle', '-F', 'sshuttle-t-1024'),
call(AF_INET6, 'mangle', '-I', 'OUTPUT', '1', '-j', 'sshuttle-m-1024'),
call(AF_INET6, 'mangle', '-I', 'PREROUTING', '1', '-j',
'sshuttle-t-1024'),
call(AF_INET6, 'mangle', '-A', 'sshuttle-d-1024', '-j', 'MARK',
'--set-mark', '1'),
call(AF_INET6, 'mangle', '-A', 'sshuttle-d-1024', '-j', 'ACCEPT'),
call(AF_INET6, 'mangle', '-A', 'sshuttle-t-1024', '-m', 'socket',
'-j', 'sshuttle-d-1024', '-m', 'tcp', '-p', 'tcp'),
call(AF_INET6, 'mangle', '-A', 'sshuttle-t-1024', '-m', 'socket',
'-j', 'sshuttle-d-1024', '-m', 'udp', '-p', 'udp'),
call(AF_INET6, 'mangle', '-A', 'sshuttle-m-1024', '-j', 'MARK',
'--set-mark', '1', '--dest', u'2404:6800:4004:80c::33/32',
'-m', 'udp', '-p', 'udp', '--dport', '53'),
call(AF_INET6, 'mangle', '-A', 'sshuttle-t-1024', '-j', 'TPROXY',
'--tproxy-mark', '0x1/0x1',
'--dest', u'2404:6800:4004:80c::33/32',
'-m', 'udp', '-p', 'udp', '--dport', '53', '--on-port', '1026'),
call(AF_INET6, 'mangle', '-A', 'sshuttle-m-1024', '-j', 'RETURN',
'--dest', u'2404:6800:4004:80c::101f/128',
'-m', 'tcp', '-p', 'tcp', '--dport', '8080:8080'),
call(AF_INET6, 'mangle', '-A', 'sshuttle-t-1024', '-j', 'RETURN',
'--dest', u'2404:6800:4004:80c::101f/128',
'-m', 'tcp', '-p', 'tcp', '--dport', '8080:8080'),
call(AF_INET6, 'mangle', '-A', 'sshuttle-m-1024', '-j', 'RETURN',
'--dest', u'2404:6800:4004:80c::101f/128',
'-m', 'udp', '-p', 'udp', '--dport', '8080:8080'),
call(AF_INET6, 'mangle', '-A', 'sshuttle-t-1024', '-j', 'RETURN',
'--dest', u'2404:6800:4004:80c::101f/128',
'-m', 'udp', '-p', 'udp', '--dport', '8080:8080'),
call(AF_INET6, 'mangle', '-A', 'sshuttle-m-1024', '-j', 'MARK',
'--set-mark', '1', '--dest', u'2404:6800:4004:80c::/64',
'-m', 'tcp', '-p', 'tcp', '--dport', '8000:9000'),
call(AF_INET6, 'mangle', '-A', 'sshuttle-t-1024', '-j', 'TPROXY',
'--tproxy-mark', '0x1/0x1', '--dest', u'2404:6800:4004:80c::/64',
'-m', 'tcp', '-p', 'tcp', '--dport', '8000:9000',
'--on-port', '1024'),
call(AF_INET6, 'mangle', '-A', 'sshuttle-m-1024', '-j', 'MARK',
'--set-mark', '1', '--dest', u'2404:6800:4004:80c::/64',
'-m', 'udp', '-p', 'udp'),
call(AF_INET6, 'mangle', '-A', 'sshuttle-t-1024', '-j', 'TPROXY',
'--tproxy-mark', '0x1/0x1', '--dest', u'2404:6800:4004:80c::/64',
'-m', 'udp', '-p', 'udp', '--dport', '8000:9000',
'--on-port', '1024')
]
mock_ipt_chain_exists.reset_mock()
mock_ipt_ttl.reset_mock()
mock_ipt.reset_mock()
method.restore_firewall(1025, AF_INET6, True, None)
assert mock_ipt_chain_exists.mock_calls == [
call(AF_INET6, 'mangle', 'sshuttle-m-1025'),
call(AF_INET6, 'mangle', 'sshuttle-t-1025'),
call(AF_INET6, 'mangle', 'sshuttle-d-1025')
]
assert mock_ipt_ttl.mock_calls == []
assert mock_ipt.mock_calls == [
call(AF_INET6, 'mangle', '-D', 'OUTPUT', '-j', 'sshuttle-m-1025'),
call(AF_INET6, 'mangle', '-F', 'sshuttle-m-1025'),
call(AF_INET6, 'mangle', '-X', 'sshuttle-m-1025'),
call(AF_INET6, 'mangle', '-D', 'PREROUTING', '-j', 'sshuttle-t-1025'),
call(AF_INET6, 'mangle', '-F', 'sshuttle-t-1025'),
call(AF_INET6, 'mangle', '-X', 'sshuttle-t-1025'),
call(AF_INET6, 'mangle', '-F', 'sshuttle-d-1025'),
call(AF_INET6, 'mangle', '-X', 'sshuttle-d-1025')
]
mock_ipt_chain_exists.reset_mock()
mock_ipt_ttl.reset_mock()
mock_ipt.reset_mock()
# IPV4
method.setup_firewall(
1025, 1027,
[(AF_INET, u'1.2.3.33')],
AF_INET,
[(AF_INET, 24, False, u'1.2.3.0', 0, 0),
(AF_INET, 32, True, u'1.2.3.66', 80, 80)],
True,
None)
assert mock_ipt_chain_exists.mock_calls == [
call(AF_INET, 'mangle', 'sshuttle-m-1025'),
call(AF_INET, 'mangle', 'sshuttle-t-1025'),
call(AF_INET, 'mangle', 'sshuttle-d-1025')
]
assert mock_ipt_ttl.mock_calls == []
assert mock_ipt.mock_calls == [
call(AF_INET, 'mangle', '-D', 'OUTPUT', '-j', 'sshuttle-m-1025'),
call(AF_INET, 'mangle', '-F', 'sshuttle-m-1025'),
call(AF_INET, 'mangle', '-X', 'sshuttle-m-1025'),
call(AF_INET, 'mangle', '-D', 'PREROUTING', '-j', 'sshuttle-t-1025'),
call(AF_INET, 'mangle', '-F', 'sshuttle-t-1025'),
call(AF_INET, 'mangle', '-X', 'sshuttle-t-1025'),
call(AF_INET, 'mangle', '-F', 'sshuttle-d-1025'),
call(AF_INET, 'mangle', '-X', 'sshuttle-d-1025'),
call(AF_INET, 'mangle', '-N', 'sshuttle-m-1025'),
call(AF_INET, 'mangle', '-F', 'sshuttle-m-1025'),
call(AF_INET, 'mangle', '-N', 'sshuttle-d-1025'),
call(AF_INET, 'mangle', '-F', 'sshuttle-d-1025'),
call(AF_INET, 'mangle', '-N', 'sshuttle-t-1025'),
call(AF_INET, 'mangle', '-F', 'sshuttle-t-1025'),
call(AF_INET, 'mangle', '-I', 'OUTPUT', '1', '-j', 'sshuttle-m-1025'),
call(AF_INET, 'mangle', '-I', 'PREROUTING', '1', '-j',
'sshuttle-t-1025'),
call(AF_INET, 'mangle', '-A', 'sshuttle-d-1025',
'-j', 'MARK', '--set-mark', '1'),
call(AF_INET, 'mangle', '-A', 'sshuttle-d-1025', '-j', 'ACCEPT'),
call(AF_INET, 'mangle', '-A', 'sshuttle-t-1025', '-m', 'socket',
'-j', 'sshuttle-d-1025', '-m', 'tcp', '-p', 'tcp'),
call(AF_INET, 'mangle', '-A', 'sshuttle-t-1025', '-m', 'socket',
'-j', 'sshuttle-d-1025', '-m', 'udp', '-p', 'udp'),
call(AF_INET, 'mangle', '-A', 'sshuttle-m-1025', '-j', 'MARK',
'--set-mark', '1', '--dest', u'1.2.3.33/32',
'-m', 'udp', '-p', 'udp', '--dport', '53'),
call(AF_INET, 'mangle', '-A', 'sshuttle-t-1025', '-j', 'TPROXY',
'--tproxy-mark', '0x1/0x1', '--dest', u'1.2.3.33/32',
'-m', 'udp', '-p', 'udp', '--dport', '53', '--on-port', '1027'),
call(AF_INET, 'mangle', '-A', 'sshuttle-m-1025', '-j', 'RETURN',
'--dest', u'1.2.3.66/32', '-m', 'tcp', '-p', 'tcp',
'--dport', '80:80'),
call(AF_INET, 'mangle', '-A', 'sshuttle-t-1025', '-j', 'RETURN',
'--dest', u'1.2.3.66/32', '-m', 'tcp', '-p', 'tcp',
'--dport', '80:80'),
call(AF_INET, 'mangle', '-A', 'sshuttle-m-1025', '-j', 'RETURN',
'--dest', u'1.2.3.66/32', '-m', 'udp', '-p', 'udp',
'--dport', '80:80'),
call(AF_INET, 'mangle', '-A', 'sshuttle-t-1025', '-j', 'RETURN',
'--dest', u'1.2.3.66/32', '-m', 'udp', '-p', 'udp',
'--dport', '80:80'),
call(AF_INET, 'mangle', '-A', 'sshuttle-m-1025', '-j', 'MARK',
'--set-mark', '1', '--dest', u'1.2.3.0/24',
'-m', 'tcp', '-p', 'tcp'),
call(AF_INET, 'mangle', '-A', 'sshuttle-t-1025', '-j', 'TPROXY',
'--tproxy-mark', '0x1/0x1', '--dest', u'1.2.3.0/24',
'-m', 'tcp', '-p', 'tcp', '--on-port', '1025'),
call(AF_INET, 'mangle', '-A', 'sshuttle-m-1025', '-j', 'MARK',
'--set-mark', '1', '--dest', u'1.2.3.0/24',
'-m', 'udp', '-p', 'udp'),
call(AF_INET, 'mangle', '-A', 'sshuttle-t-1025', '-j', 'TPROXY',
'--tproxy-mark', '0x1/0x1', '--dest', u'1.2.3.0/24',
'-m', 'udp', '-p', 'udp', '--on-port', '1025')
]
mock_ipt_chain_exists.reset_mock()
mock_ipt_ttl.reset_mock()
mock_ipt.reset_mock()
method.restore_firewall(1025, AF_INET, True, None)
assert mock_ipt_chain_exists.mock_calls == [
call(AF_INET, 'mangle', 'sshuttle-m-1025'),
call(AF_INET, 'mangle', 'sshuttle-t-1025'),
call(AF_INET, 'mangle', 'sshuttle-d-1025')
]
assert mock_ipt_ttl.mock_calls == []
assert mock_ipt.mock_calls == [
call(AF_INET, 'mangle', '-D', 'OUTPUT', '-j', 'sshuttle-m-1025'),
call(AF_INET, 'mangle', '-F', 'sshuttle-m-1025'),
call(AF_INET, 'mangle', '-X', 'sshuttle-m-1025'),
call(AF_INET, 'mangle', '-D', 'PREROUTING', '-j', 'sshuttle-t-1025'),
call(AF_INET, 'mangle', '-F', 'sshuttle-t-1025'),
call(AF_INET, 'mangle', '-X', 'sshuttle-t-1025'),
call(AF_INET, 'mangle', '-F', 'sshuttle-d-1025'),
call(AF_INET, 'mangle', '-X', 'sshuttle-d-1025')
]
mock_ipt_chain_exists.reset_mock()
mock_ipt_ttl.reset_mock()
mock_ipt.reset_mock()
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