[tor-commits] [stem/master] Fix parsing of IPv6 address:port pairs in stream events (fixes #9181)

[atagar@xxxxxxxxxxxxxx]

commit 8662332c844827b2be4ab7ab1c77027738e5723d
Author: David Triendl <david@xxxxxxxxxxxx>
Date:   Sat Jun 22 09:03:50 2013 +0200

    Fix parsing of IPv6 address:port pairs in stream events (fixes #9181)
---
 docs/change_log.rst          |    5 +++--
 stem/response/events.py      |    2 +-
 test/unit/response/events.py |   21 +++++++++++++++++++++
 3 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/docs/change_log.rst b/docs/change_log.rst
index d7f6a53..635a8de 100644
--- a/docs/change_log.rst
+++ b/docs/change_log.rst
@@ -47,6 +47,7 @@ The following are only available within stem's `git repository
   * The :class:`~stem.control.Controller` use of cached content wasn't thread safe (:trac:`8607`)
   * Added :func:`~stem.control.Controller.get_user` method to the:class:`~stem.control.Controller`
   * Added :func:`~stem.control.Controller.get_pid` method to the:class:`~stem.control.Controller`
+  * :class:`~stem.response.events.StreamEvent` didn't recognize IPv6 addresses (:trac:`9181`)
 
  * **Descriptors**
 
@@ -64,8 +65,8 @@ The following are only available within stem's `git repository
  * **Website**
 
   * Overhaul of stem's `download page <download.html>`_. This included several
-    improvements, most notably the addition of PyPI, Ubuntu, Fedora, and
-    FreeBSD.
+    improvements, most notably the addition of PyPI, Ubuntu, Fedora, Slackware,
+    and FreeBSD.
   * Replaced default sphinx header with a navbar menu.
   * Added this change log.
   * Added the `FAQ page <faq.html>`_.
diff --git a/stem/response/events.py b/stem/response/events.py
index b6badd6..75f2532 100644
--- a/stem/response/events.py
+++ b/stem/response/events.py
@@ -822,7 +822,7 @@ class StreamEvent(Event):
       if not ':' in self.target:
         raise stem.ProtocolError("Target location must be of the form 'address:port': %s" % self)
 
-      address, port = self.target.split(':', 1)
+      address, port = self.target.rsplit(':', 1)
 
       if not connection.is_valid_port(port, allow_zero = True):
         raise stem.ProtocolError("Target location's port is invalid: %s" % self)
diff --git a/test/unit/response/events.py b/test/unit/response/events.py
index 0d56309..9c4de01 100644
--- a/test/unit/response/events.py
+++ b/test/unit/response/events.py
@@ -317,6 +317,8 @@ STREAM_DNS_REQUEST_BAD_2 = "650 STREAM 1113 NEW 0 www.google.com:0 \
 SOURCE_ADDR=127.0.0.1:dns \
 PURPOSE=DNS_REQUEST"
 
+STREAM_NEWRESOLVE_IP6 = "650 STREAM 23 NEWRESOLVE 0 2001:db8::1:0 PURPOSE=DNS_REQUEST"
+
 
 def _get_event(content):
   controller_event = mocking.get_message(content)
@@ -1118,6 +1120,25 @@ class TestEvents(unittest.TestCase):
     # SOURCE_ADDR's port is malformed
     self.assertRaises(ProtocolError, _get_event, STREAM_DNS_REQUEST_BAD_2)
 
+    # IPv6 address
+    event = _get_event(STREAM_NEWRESOLVE_IP6)
+
+    self.assertTrue(isinstance(event, stem.response.events.StreamEvent))
+    self.assertEqual(STREAM_NEWRESOLVE_IP6.lstrip("650 "), str(event))
+    self.assertEqual("23", event.id)
+    self.assertEqual(StreamStatus.NEWRESOLVE, event.status)
+    self.assertEqual(None, event.circ_id)
+    self.assertEqual("2001:db8::1:0", event.target)
+    self.assertEqual("2001:db8::1", event.target_address)
+    self.assertEqual(0, event.target_port)
+    self.assertEqual(None, event.reason)
+    self.assertEqual(None, event.remote_reason)
+    self.assertEqual(None, event.source)
+    self.assertEqual(None, event.source_addr)
+    self.assertEqual(None, event.source_address)
+    self.assertEqual(None, event.source_port)
+    self.assertEqual(StreamPurpose.DNS_REQUEST, event.purpose)
+
   def test_stream_bw_event(self):
     event = _get_event("650 STREAM_BW 2 15 25")
 

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