From ffeede9b39c8d269766fd56d02eb7e78d8d13bb2 Mon Sep 17 00:00:00 2001
From: Ivaylo Popov <popov.ivo@gmail.com>
Date: Mon, 27 May 2013 23:09:42 -0400
Subject: Use lsof instead of pfctl to find target host on OSX in transparent
 mode.

---
 libmproxy/platform/lsof.py | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 libmproxy/platform/lsof.py

(limited to 'libmproxy/platform/lsof.py')

diff --git a/libmproxy/platform/lsof.py b/libmproxy/platform/lsof.py
new file mode 100644
index 00000000..25c0e33f
--- /dev/null
+++ b/libmproxy/platform/lsof.py
@@ -0,0 +1,17 @@
+import re
+
+def lookup(address, port, s):
+    """
+        Parse the pfctl state output s, to look up the destination host
+        matching the client (address, port).
+
+        Returns an (address, port) tuple, or None.
+    """
+    spec = "%s:%s"%(address, port)
+    for i in s.split("\n"):
+        if "ESTABLISHED" in i and spec in i:
+            m = re.match(".* (\S*)->%s" % spec, i)
+            if m:
+                s = m.group(1).split(":")
+                if len(s) == 2:
+                    return s[0], int(s[1])
-- 
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