mirror of
https://github.com/sshuttle/sshuttle.git
synced 2024-11-23 00:13:42 +01:00
498 lines
17 KiB
Python
498 lines
17 KiB
Python
import socket
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from socket import AF_INET, AF_INET6
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import pytest
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from unittest.mock import Mock, patch, call, ANY
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from sshuttle.methods import get_method
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from sshuttle.helpers import Fatal, get_env
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from sshuttle.methods.pf import FreeBsd, Darwin, OpenBsd
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def test_get_supported_features():
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method = get_method('pf')
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features = method.get_supported_features()
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assert features.ipv6
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assert not features.udp
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assert features.dns
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@patch('sshuttle.helpers.verbose', new=3)
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def test_get_tcp_dstip():
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sock = Mock()
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sock.getpeername.return_value = ("127.0.0.1", 1024)
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sock.getsockname.return_value = ("127.0.0.2", 1025)
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sock.family = AF_INET
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firewall = Mock()
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firewall.pfile.readline.return_value = \
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b"QUERY_PF_NAT_SUCCESS 127.0.0.3,1026\n"
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method = get_method('pf')
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method.set_firewall(firewall)
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assert method.get_tcp_dstip(sock) == ('127.0.0.3', 1026)
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assert sock.mock_calls == [
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call.getpeername(),
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call.getsockname(),
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]
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assert firewall.mock_calls == [
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call.pfile.write(b'QUERY_PF_NAT 2,6,127.0.0.1,1024,127.0.0.2,1025\n'),
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call.pfile.flush(),
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call.pfile.readline()
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]
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def test_recv_udp():
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sock = Mock()
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sock.recvfrom.return_value = "11111", "127.0.0.1"
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method = get_method('pf')
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result = method.recv_udp(sock, 1024)
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assert sock.mock_calls == [call.recvfrom(1024)]
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assert result == ("127.0.0.1", None, "11111")
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def test_send_udp():
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sock = Mock()
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method = get_method('pf')
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method.send_udp(sock, None, "127.0.0.1", "22222")
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assert sock.mock_calls == [call.sendto("22222", "127.0.0.1")]
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def test_setup_tcp_listener():
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listener = Mock()
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method = get_method('pf')
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method.setup_tcp_listener(listener)
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assert listener.mock_calls == []
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def test_setup_udp_listener():
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listener = Mock()
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method = get_method('pf')
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method.setup_udp_listener(listener)
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assert listener.mock_calls == []
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def test_assert_features():
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method = get_method('pf')
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features = method.get_supported_features()
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method.assert_features(features)
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features.udp = True
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with pytest.raises(Fatal):
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method.assert_features(features)
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features.ipv6 = True
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with pytest.raises(Fatal):
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method.assert_features(features)
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@patch('sshuttle.methods.pf.pf', Darwin())
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@patch('sshuttle.methods.pf.sys.stdout')
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@patch('sshuttle.methods.pf.ioctl')
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@patch('sshuttle.methods.pf.pf_get_dev')
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def test_firewall_command_darwin(mock_pf_get_dev, mock_ioctl, mock_stdout):
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method = get_method('pf')
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assert not method.firewall_command("something")
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command = "QUERY_PF_NAT %d,%d,%s,%d,%s,%d\n" % (
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AF_INET, socket.IPPROTO_TCP,
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"127.0.0.1", 1025, "127.0.0.2", 1024)
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assert method.firewall_command(command)
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assert mock_pf_get_dev.mock_calls == [call()]
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assert mock_ioctl.mock_calls == [
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call(mock_pf_get_dev(), 0xc0544417, ANY),
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]
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assert mock_stdout.mock_calls == [
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call.write('QUERY_PF_NAT_SUCCESS 0.0.0.0,0\n'),
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call.flush(),
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]
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@patch('sshuttle.methods.pf.pf', FreeBsd())
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@patch('sshuttle.methods.pf.sys.stdout')
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@patch('sshuttle.methods.pf.ioctl')
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@patch('sshuttle.methods.pf.pf_get_dev')
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def test_firewall_command_freebsd(mock_pf_get_dev, mock_ioctl, mock_stdout):
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method = get_method('pf')
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assert not method.firewall_command("something")
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command = "QUERY_PF_NAT %d,%d,%s,%d,%s,%d\n" % (
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AF_INET, socket.IPPROTO_TCP,
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"127.0.0.1", 1025, "127.0.0.2", 1024)
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assert method.firewall_command(command)
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assert mock_pf_get_dev.mock_calls == [call()]
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assert mock_ioctl.mock_calls == [
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call(mock_pf_get_dev(), 0xc04c4417, ANY),
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]
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assert mock_stdout.mock_calls == [
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call.write('QUERY_PF_NAT_SUCCESS 0.0.0.0,0\n'),
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call.flush(),
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]
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@patch('sshuttle.methods.pf.pf', OpenBsd())
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@patch('sshuttle.methods.pf.sys.stdout')
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@patch('sshuttle.methods.pf.ioctl')
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@patch('sshuttle.methods.pf.pf_get_dev')
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def test_firewall_command_openbsd(mock_pf_get_dev, mock_ioctl, mock_stdout):
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method = get_method('pf')
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assert not method.firewall_command("something")
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command = "QUERY_PF_NAT %d,%d,%s,%d,%s,%d\n" % (
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AF_INET, socket.IPPROTO_TCP,
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"127.0.0.1", 1025, "127.0.0.2", 1024)
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assert method.firewall_command(command)
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assert mock_pf_get_dev.mock_calls == [call()]
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assert mock_ioctl.mock_calls == [
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call(mock_pf_get_dev(), 0xc0504417, ANY),
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]
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assert mock_stdout.mock_calls == [
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call.write('QUERY_PF_NAT_SUCCESS 0.0.0.0,0\n'),
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call.flush(),
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]
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def pfctl(args, stdin=None):
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if args == '-s Interfaces -i lo -v':
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return (b'lo0 (skip)',)
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if args == '-s all':
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return (b'INFO:\nStatus: Disabled\nanother mary had a little lamb\n',
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b'little lamb\n')
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if args == '-E':
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return (b'\n', b'Token : abcdefg\n')
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return None
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@patch('sshuttle.helpers.verbose', new=3)
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@patch('sshuttle.methods.pf.pf', Darwin())
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@patch('sshuttle.methods.pf.pfctl')
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@patch('sshuttle.methods.pf.ioctl')
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@patch('sshuttle.methods.pf.pf_get_dev')
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def test_setup_firewall_darwin(mock_pf_get_dev, mock_ioctl, mock_pfctl):
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mock_pfctl.side_effect = pfctl
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method = get_method('pf')
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assert method.name == 'pf'
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# IPV6
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method.setup_firewall(
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1024, 1026,
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[(AF_INET6, u'2404:6800:4004:80c::33')],
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AF_INET6,
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[(AF_INET6, 64, False, u'2404:6800:4004:80c::', 8000, 9000),
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(AF_INET6, 128, True, u'2404:6800:4004:80c::101f', 8080, 8080)],
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False,
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None,
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'0x01')
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assert mock_ioctl.mock_calls == [
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call(mock_pf_get_dev(), 0xC4704433, ANY),
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call(mock_pf_get_dev(), 0xCC20441A, ANY),
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call(mock_pf_get_dev(), 0xCC20441A, ANY),
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call(mock_pf_get_dev(), 0xC4704433, ANY),
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call(mock_pf_get_dev(), 0xCC20441A, ANY),
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call(mock_pf_get_dev(), 0xCC20441A, ANY),
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]
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assert mock_pfctl.mock_calls == [
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call('-s Interfaces -i lo -v'),
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call('-f /dev/stdin', b'pass on lo\n'),
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call('-s all'),
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call('-a sshuttle6-1024 -f /dev/stdin',
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b'table <dns_servers> {2404:6800:4004:80c::33}\n'
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b'rdr pass on lo0 inet6 proto tcp from ! ::1 to '
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b'2404:6800:4004:80c::/64 port 8000:9000 -> ::1 port 1024\n'
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b'rdr pass on lo0 inet6 proto udp '
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b'to <dns_servers> port 53 -> ::1 port 1026\n'
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b'pass out route-to lo0 inet6 proto tcp to '
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b'2404:6800:4004:80c::/64 port 8000:9000 keep state\n'
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b'pass out inet6 proto tcp to '
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b'2404:6800:4004:80c::101f/128 port 8080:8080\n'
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b'pass out route-to lo0 inet6 proto udp '
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b'to <dns_servers> port 53 keep state\n'),
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call('-E'),
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]
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mock_pf_get_dev.reset_mock()
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mock_ioctl.reset_mock()
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mock_pfctl.reset_mock()
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with pytest.raises(Exception) as excinfo:
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method.setup_firewall(
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1025, 1027,
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[(AF_INET, u'1.2.3.33')],
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AF_INET,
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[(AF_INET, 24, False, u'1.2.3.0', 0, 0),
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(AF_INET, 32, True, u'1.2.3.66', 80, 80)],
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True,
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None,
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'0x01')
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assert str(excinfo.value) == 'UDP not supported by pf method_name'
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assert mock_pf_get_dev.mock_calls == []
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assert mock_ioctl.mock_calls == []
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assert mock_pfctl.mock_calls == []
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method.setup_firewall(
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1025, 1027,
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[(AF_INET, u'1.2.3.33')],
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AF_INET,
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[(AF_INET, 24, False, u'1.2.3.0', 0, 0),
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(AF_INET, 32, True, u'1.2.3.66', 80, 80)],
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False,
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None,
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'0x01')
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assert mock_ioctl.mock_calls == [
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call(mock_pf_get_dev(), 0xC4704433, ANY),
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call(mock_pf_get_dev(), 0xCC20441A, ANY),
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call(mock_pf_get_dev(), 0xCC20441A, ANY),
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call(mock_pf_get_dev(), 0xC4704433, ANY),
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call(mock_pf_get_dev(), 0xCC20441A, ANY),
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call(mock_pf_get_dev(), 0xCC20441A, ANY),
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]
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assert mock_pfctl.mock_calls == [
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call('-s Interfaces -i lo -v'),
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call('-f /dev/stdin', b'pass on lo\n'),
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call('-s all'),
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call('-a sshuttle-1025 -f /dev/stdin',
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b'table <dns_servers> {1.2.3.33}\n'
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b'rdr pass on lo0 inet proto tcp from ! 127.0.0.1 to 1.2.3.0/24 '
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b'-> 127.0.0.1 port 1025\n'
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b'rdr pass on lo0 inet proto udp '
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b'to <dns_servers> port 53 -> 127.0.0.1 port 1027\n'
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b'pass out route-to lo0 inet proto tcp to 1.2.3.0/24 keep state\n'
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b'pass out inet proto tcp to 1.2.3.66/32 port 80:80\n'
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b'pass out route-to lo0 inet proto udp '
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b'to <dns_servers> port 53 keep state\n'),
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call('-E'),
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]
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mock_pf_get_dev.reset_mock()
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mock_ioctl.reset_mock()
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mock_pfctl.reset_mock()
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method.restore_firewall(1025, AF_INET, False, None)
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assert mock_ioctl.mock_calls == []
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assert mock_pfctl.mock_calls == [
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call('-a sshuttle-1025 -F all'),
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call("-X abcdefg"),
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]
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mock_pf_get_dev.reset_mock()
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mock_pfctl.reset_mock()
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mock_ioctl.reset_mock()
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@patch('sshuttle.helpers.verbose', new=3)
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@patch('sshuttle.methods.pf.pf', FreeBsd())
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@patch('subprocess.call')
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@patch('sshuttle.methods.pf.pfctl')
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@patch('sshuttle.methods.pf.ioctl')
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@patch('sshuttle.methods.pf.pf_get_dev')
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def test_setup_firewall_freebsd(mock_pf_get_dev, mock_ioctl, mock_pfctl,
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mock_subprocess_call):
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mock_pfctl.side_effect = pfctl
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method = get_method('pf')
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assert method.name == 'pf'
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method.setup_firewall(
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1024, 1026,
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[(AF_INET6, u'2404:6800:4004:80c::33')],
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AF_INET6,
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[(AF_INET6, 64, False, u'2404:6800:4004:80c::', 8000, 9000),
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(AF_INET6, 128, True, u'2404:6800:4004:80c::101f', 8080, 8080)],
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False,
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None,
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'0x01')
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assert mock_pfctl.mock_calls == [
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call('-s all'),
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call('-a sshuttle6-1024 -f /dev/stdin',
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b'table <dns_servers> {2404:6800:4004:80c::33}\n'
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b'rdr pass on lo0 inet6 proto tcp from ! ::1 to '
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b'2404:6800:4004:80c::/64 port 8000:9000 -> ::1 port 1024\n'
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b'rdr pass on lo0 inet6 proto udp '
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b'to <dns_servers> port 53 -> ::1 port 1026\n'
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b'pass out route-to lo0 inet6 proto tcp to '
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b'2404:6800:4004:80c::/64 port 8000:9000 keep state\n'
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b'pass out inet6 proto tcp to '
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b'2404:6800:4004:80c::101f/128 port 8080:8080\n'
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b'pass out route-to lo0 inet6 proto udp '
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b'to <dns_servers> port 53 keep state\n'),
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call('-e'),
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]
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assert call(['kldload', 'pf'], env=get_env()) in \
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mock_subprocess_call.mock_calls
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mock_pf_get_dev.reset_mock()
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mock_ioctl.reset_mock()
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mock_pfctl.reset_mock()
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with pytest.raises(Exception) as excinfo:
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method.setup_firewall(
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1025, 1027,
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[(AF_INET, u'1.2.3.33')],
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AF_INET,
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[(AF_INET, 24, False, u'1.2.3.0', 0, 0),
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(AF_INET, 32, True, u'1.2.3.66', 80, 80)],
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True,
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None,
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'0x01')
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assert str(excinfo.value) == 'UDP not supported by pf method_name'
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assert mock_pf_get_dev.mock_calls == []
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assert mock_ioctl.mock_calls == []
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assert mock_pfctl.mock_calls == []
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method.setup_firewall(
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1025, 1027,
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[(AF_INET, u'1.2.3.33')],
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AF_INET,
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[(AF_INET, 24, False, u'1.2.3.0', 0, 0),
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(AF_INET, 32, True, u'1.2.3.66', 80, 80)],
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False,
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None,
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'0x01')
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assert mock_ioctl.mock_calls == [
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call(mock_pf_get_dev(), 0xC4704433, ANY),
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call(mock_pf_get_dev(), 0xCBE0441A, ANY),
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call(mock_pf_get_dev(), 0xCBE0441A, ANY),
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call(mock_pf_get_dev(), 0xC4704433, ANY),
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call(mock_pf_get_dev(), 0xCBE0441A, ANY),
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call(mock_pf_get_dev(), 0xCBE0441A, ANY),
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]
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assert mock_pfctl.mock_calls == [
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call('-s all'),
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call('-a sshuttle-1025 -f /dev/stdin',
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b'table <dns_servers> {1.2.3.33}\n'
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b'rdr pass on lo0 inet proto tcp from ! 127.0.0.1 '
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b'to 1.2.3.0/24 -> 127.0.0.1 port 1025\n'
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b'rdr pass on lo0 inet proto udp '
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b'to <dns_servers> port 53 -> 127.0.0.1 port 1027\n'
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b'pass out route-to lo0 inet proto tcp to 1.2.3.0/24 keep state\n'
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b'pass out inet proto tcp to 1.2.3.66/32 port 80:80\n'
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b'pass out route-to lo0 inet proto udp '
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b'to <dns_servers> port 53 keep state\n'),
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call('-e'),
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]
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mock_pf_get_dev.reset_mock()
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mock_ioctl.reset_mock()
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mock_pfctl.reset_mock()
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method.restore_firewall(1025, AF_INET, False, None)
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method.restore_firewall(1024, AF_INET6, False, None)
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assert mock_ioctl.mock_calls == []
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assert mock_pfctl.mock_calls == [
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call('-a sshuttle-1025 -F all'),
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call('-a sshuttle6-1024 -F all'),
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call("-d"),
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]
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mock_pf_get_dev.reset_mock()
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mock_pfctl.reset_mock()
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mock_ioctl.reset_mock()
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@patch('sshuttle.helpers.verbose', new=3)
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@patch('sshuttle.methods.pf.pf', OpenBsd())
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@patch('sshuttle.methods.pf.pfctl')
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@patch('sshuttle.methods.pf.ioctl')
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@patch('sshuttle.methods.pf.pf_get_dev')
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def test_setup_firewall_openbsd(mock_pf_get_dev, mock_ioctl, mock_pfctl):
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mock_pfctl.side_effect = pfctl
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method = get_method('pf')
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assert method.name == 'pf'
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method.setup_firewall(
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1024, 1026,
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[(AF_INET6, u'2404:6800:4004:80c::33')],
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AF_INET6,
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[(AF_INET6, 64, False, u'2404:6800:4004:80c::', 8000, 9000),
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(AF_INET6, 128, True, u'2404:6800:4004:80c::101f', 8080, 8080)],
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False,
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None,
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'0x01')
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assert mock_ioctl.mock_calls == [
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call(mock_pf_get_dev(), 0xcd60441a, ANY),
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call(mock_pf_get_dev(), 0xcd60441a, ANY),
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]
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assert mock_pfctl.mock_calls == [
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call('-s Interfaces -i lo -v'),
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call('-f /dev/stdin', b'match on lo\n'),
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call('-s all'),
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call('-a sshuttle6-1024 -f /dev/stdin',
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b'table <dns_servers> {2404:6800:4004:80c::33}\n'
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b'pass in on lo0 inet6 proto tcp to 2404:6800:4004:80c::/64 '
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b'port 8000:9000 divert-to ::1 port 1024\n'
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b'pass in on lo0 inet6 proto udp '
|
|
b'to <dns_servers> port 53 rdr-to ::1 port 1026\n'
|
|
b'pass out inet6 proto tcp to 2404:6800:4004:80c::/64 '
|
|
b'port 8000:9000 route-to lo0 keep state\n'
|
|
b'pass out inet6 proto tcp to '
|
|
b'2404:6800:4004:80c::101f/128 port 8080:8080\n'
|
|
b'pass out inet6 proto udp to '
|
|
b'<dns_servers> port 53 route-to lo0 keep state\n'),
|
|
call('-e'),
|
|
]
|
|
mock_pf_get_dev.reset_mock()
|
|
mock_ioctl.reset_mock()
|
|
mock_pfctl.reset_mock()
|
|
|
|
with pytest.raises(Exception) as excinfo:
|
|
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,
|
|
'0x01')
|
|
assert str(excinfo.value) == 'UDP not supported by pf method_name'
|
|
assert mock_pf_get_dev.mock_calls == []
|
|
assert mock_ioctl.mock_calls == []
|
|
assert mock_pfctl.mock_calls == []
|
|
|
|
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)],
|
|
False,
|
|
None,
|
|
'0x01')
|
|
assert mock_ioctl.mock_calls == [
|
|
call(mock_pf_get_dev(), 0xcd60441a, ANY),
|
|
call(mock_pf_get_dev(), 0xcd60441a, ANY),
|
|
]
|
|
assert mock_pfctl.mock_calls == [
|
|
call('-s Interfaces -i lo -v'),
|
|
call('-f /dev/stdin', b'match on lo\n'),
|
|
call('-s all'),
|
|
call('-a sshuttle-1025 -f /dev/stdin',
|
|
b'table <dns_servers> {1.2.3.33}\n'
|
|
b'pass in on lo0 inet proto tcp to 1.2.3.0/24 divert-to '
|
|
b'127.0.0.1 port 1025\n'
|
|
b'pass in on lo0 inet proto udp to '
|
|
b'<dns_servers> port 53 rdr-to 127.0.0.1 port 1027\n'
|
|
b'pass out inet proto tcp to 1.2.3.0/24 route-to lo0 keep state\n'
|
|
b'pass out inet proto tcp to 1.2.3.66/32 port 80:80\n'
|
|
b'pass out inet proto udp to '
|
|
b'<dns_servers> port 53 route-to lo0 keep state\n'),
|
|
call('-e'),
|
|
]
|
|
mock_pf_get_dev.reset_mock()
|
|
mock_ioctl.reset_mock()
|
|
mock_pfctl.reset_mock()
|
|
|
|
method.restore_firewall(1025, AF_INET, False, None)
|
|
method.restore_firewall(1024, AF_INET6, False, None)
|
|
assert mock_ioctl.mock_calls == []
|
|
assert mock_pfctl.mock_calls == [
|
|
call('-a sshuttle-1025 -F all'),
|
|
call('-a sshuttle6-1024 -F all'),
|
|
call('-d'),
|
|
]
|
|
mock_pf_get_dev.reset_mock()
|
|
mock_pfctl.reset_mock()
|
|
mock_ioctl.reset_mock()
|