From d181b4643fbf1dcafecbf7bd06e8cbe2e8d5e09d Mon Sep 17 00:00:00 2001
From: "@Ga_ryo_" <avatarou9@gmail.com>
Date: Wed, 29 Nov 2017 17:16:39 +0900
Subject: [PATCH] Fix #2594

---
 mitmproxy/platform/osx.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/mitmproxy/platform/osx.py b/mitmproxy/platform/osx.py
index f9de1fbf3..40a742e99 100644
--- a/mitmproxy/platform/osx.py
+++ b/mitmproxy/platform/osx.py
@@ -1,6 +1,7 @@
 import subprocess
 
 from . import pf
+import re
 
 """
     Doing this the "right" way by using DIOCNATLOOK on the pf device turns out
@@ -15,6 +16,7 @@ from . import pf
 """
 
 STATECMD = ("sudo", "-n", "/sbin/pfctl", "-s", "state")
+ipv4_mapped = re.compile("^::ffff:\d+.\d+.\d+.\d+$")
 
 
 def original_addr(csock):
@@ -33,4 +35,6 @@ def original_addr(csock):
         raise RuntimeError(
             "Insufficient privileges to access pfctl. "
             "See http://docs.mitmproxy.org/en/latest/transparent/osx.html for details.")
+    if ipv4_mapped.match(peer[0]):
+        return pf.lookup(peer[0].replace("::ffff:", ""), peer[1], stxt)
     return pf.lookup(peer[0], peer[1], stxt)