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[tor-commits] [stem/master] Skip proc connections with a blank address or port



commit 5942687b190e01331c8cd28a3100672f6ce7da1e
Author: Damian Johnson <atagar@xxxxxxxxxxxxxx>
Date:   Sun Oct 15 09:20:24 2017 -0700

    Skip proc connections with a blank address or port
    
    Can't think of any reason we'd want connections with an undefined address or
    port, so skipping those entries. This doesn't come up in practice but when I
    hack my proc contents a bit I get...
    
      File "/usr/lib/python2.7/stem/util/lru_cache.py", line 135, in wrapper
        result = user_function(*args, **kwds)
      File "/usr/lib/python2.7/stem/exit_policy.py", line 289, in can_exit_to
        if rule.is_match(address, port, strict):
      File "/usr/lib/python2.7/stem/exit_policy.py", line 759, in is_match
        raise ValueError("'%s' isn't a valid port" % port)
      ValueError: '0' isn't a valid port
---
 stem/util/proc.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/stem/util/proc.py b/stem/util/proc.py
index 70096a33..87b53a26 100644
--- a/stem/util/proc.py
+++ b/stem/util/proc.py
@@ -439,8 +439,10 @@ def connections(pid = None, user = None):
             r_addr = _unpack_addr(line[raddr_start:raddr_end])
             r_port = int(line[rport_start:rport_end], 16)
 
-            if is_udp and (r_addr == '0.0.0.0' or r_addr == '0000:0000:0000:0000:0000:0000') and r_port == 0:
-              continue  # skip udp connections with a blank destination
+            if r_addr == '0.0.0.0' or r_addr == '0000:0000:0000:0000:0000:0000':
+              continue  # no address
+            elif l_port == 0 or r_port == 0:
+              continue  # no port
 
             conn.append(stem.util.connection.Connection(l_addr, l_port, r_addr, r_port, protocol, is_ipv6))
       except IOError as exc:



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