commit b0ad83ab827c8e6cf4d2f333a58b4fe1b457eead Author: Damian Johnson atagar@torproject.org Date: Sat Jan 23 15:47:57 2016 -0800

lsof support for ipv6 addresses

Needed to recognize brackets but that's about it. Added thanks to toralf on...

https://trac.torproject.org/projects/tor/ticket/18079#comment:3 --- stem/util/connection.py | 8 ++++---- test/unit/util/connection.py | 33 ++++++++++++++++++++++++--------- 2 files changed, 28 insertions(+), 13 deletions(-)

diff --git a/stem/util/connection.py b/stem/util/connection.py index 37839cb..09a1fff 100644 --- a/stem/util/connection.py +++ b/stem/util/connection.py @@ -203,8 +203,8 @@ def get_connections(resolver, process_pid = None, process_name = None):

resolver_regex_str = RESOLVER_FILTER[resolver].format( protocol = '(?P<protocol>\S+)', - local = '(?P<local>[0-9a-f.:]+)', - remote = '(?P<remote>[0-9a-f.:]+)', + local = '(?P<local>[[]0-9a-f.:]+)', + remote = '(?P<remote>[[]0-9a-f.:]+)', pid = process_pid if process_pid else '[0-9]*', name = process_name if process_name else '\S*', ) @@ -218,7 +218,7 @@ def get_connections(resolver, process_pid = None, process_name = None): def _parse_address_str(addr_type, addr_str, line): addr, port = addr_str.rsplit(':', 1)

- if not is_valid_ipv4_address(addr) and not is_valid_ipv6_address(addr): + if not is_valid_ipv4_address(addr) and not is_valid_ipv6_address(addr, allow_brackets = True): _log('Invalid %s address (%s): %s' % (addr_type, addr, line)) return None, None elif not is_valid_port(port): @@ -226,7 +226,7 @@ def get_connections(resolver, process_pid = None, process_name = None): return None, None else: _log('Valid %s:%s: %s' % (addr, port, line)) - return addr, int(port) + return addr.lstrip('[').rstrip(']'), int(port)

for line in results: match = resolver_regex.match(line) diff --git a/test/unit/util/connection.py b/test/unit/util/connection.py index 793bcc6..3442326 100644 --- a/test/unit/util/connection.py +++ b/test/unit/util/connection.py @@ -11,9 +11,9 @@ from stem.util.connection import Resolver, Connection

try: # added in python 3.3 - from unittest.mock import patch + from unittest.mock import Mock, patch except ImportError: - from mock import patch + from mock import Mock, patch

NETSTAT_OUTPUT = """\ Active Internet connections (w/o servers) @@ -75,6 +75,15 @@ firefox 20586 atagar 66u IPv4 5765353 0t0 TCP 192.168.0.1:47486->62. firefox 20586 atagar 71u IPv4 13094989 0t0 TCP 192.168.0.1:43762->182.3.10.42:443 (CLOSE_WAIT) """

+LSOF_IPV6_OUTPUT = """\ +COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME +ntpd 1818 root 20u IPv6 530 0t0 UDP [::1]:123 +ntpd 1818 root 21u IPv6 532 0t0 UDP [2a01:4f8:190:514a::2]:123 +ntpd 1818 root 22u IPv6 534 0t0 UDP [fe80::3285:a9ff:feed:1cb]:123 +tor 1904 tor 10u IPv6 4372 0t0 TCP [2a01:4f8:190:514a::2]:443 (LISTEN) +tor 1904 tor 3228u IPv6 10303350 0t0 TCP [2a01:4f8:190:514a::2]:443->[2001:858:2:2:aabb:0:563b:1526]:44811 (ESTABLISHED) +""" + LSOF_OUTPUT_OSX = """\ tor 129 atagar 4u IPv4 0xffffff3527af0500 0t0 TCP 127.0.0.1:9051 (LISTEN) tor 129 atagar 5u IPv4 0xffffff363af9de40 0t0 TCP 192.168.1.10:9090 (LISTEN) @@ -240,8 +249,8 @@ class TestConnection(unittest.TestCase): call_mock.side_effect = OSError('Unable to call ss') self.assertRaises(IOError, stem.util.connection.get_connections, Resolver.SS, process_pid = 1111)

- @patch('stem.util.system.call') - def test_get_connections_by_ss_ipv6(self, call_mock): + @patch('stem.util.system.call', Mock(return_value = SS_IPV6_OUTPUT.split('\n'))) + def test_get_connections_by_ss_ipv6(self): """ Checks the get_connections function with the ss resolver results on IPv6 conections. This also checks with the output from a hardened Gentoo system @@ -250,7 +259,6 @@ class TestConnection(unittest.TestCase): https://trac.torproject.org/projects/tor/ticket/18079 """

- call_mock.return_value = SS_IPV6_OUTPUT.split('\n') expected = [ Connection('5.9.158.75', 443, '107.170.93.13', 56159, 'tcp'), Connection('5.9.158.75', 443, '159.203.97.91', 37802, 'tcp'), @@ -279,15 +287,22 @@ class TestConnection(unittest.TestCase): call_mock.side_effect = OSError('Unable to call lsof') self.assertRaises(IOError, stem.util.connection.get_connections, Resolver.LSOF, process_pid = 1111)

- @patch('stem.util.system.call') - def test_get_connections_by_lsof_osx(self, call_mock): + @patch('stem.util.system.call', Mock(return_value = LSOF_IPV6_OUTPUT.split('\n'))) + def test_get_connections_by_lsof_ipv6(self): + """ + Checks the get_connections function with the lsof resolver for IPv6. + """ + + expected = [Connection('2a01:4f8:190:514a::2', 443, '2001:858:2:2:aabb:0:563b:1526', 44811, 'tcp')] + self.assertEqual(expected, stem.util.connection.get_connections(Resolver.LSOF, process_pid = 1904, process_name = 'tor')) + + @patch('stem.util.system.call', Mock(return_value = LSOF_OUTPUT_OSX.split('\n'))) + def test_get_connections_by_lsof_osx(self): """ Checks the get_connections function with the lsof resolver on OSX. This only includes entries for the tor process. """

- call_mock.return_value = LSOF_OUTPUT_OSX.split('\n') - expected = [ Connection('192.168.1.20', 9090, '38.229.79.2', 14010, 'tcp'), Connection('192.168.1.20', 9090, '68.169.35.102', 14815, 'tcp'),