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authorAldo Cortesi <aldo@nullcube.com>2013-01-01 11:13:56 +1300
committerAldo Cortesi <aldo@nullcube.com>2013-01-01 11:13:56 +1300
commite2dc7ba09d54fb4fa4af796d5c37cd36174f8897 (patch)
tree09d6d4237e5864aeef6709b44a7a5a7633aaaf03 /libmproxy/platform/pf.py
parent5347cb9c269acdbc2fc36f92e3545fcbb9de45a1 (diff)
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First draft of OSX transparent proxy mode.
Diffstat (limited to 'libmproxy/platform/pf.py')
-rw-r--r--libmproxy/platform/pf.py16
1 files changed, 16 insertions, 0 deletions
diff --git a/libmproxy/platform/pf.py b/libmproxy/platform/pf.py
new file mode 100644
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--- /dev/null
+++ b/libmproxy/platform/pf.py
@@ -0,0 +1,16 @@
+
+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:ESTABLISHED" in i and spec in i:
+ s = i.split()
+ if len(s) > 4:
+ s = s[4].split(":")
+ if len(s) == 2:
+ return s[0], int(s[1])