From bdda0846519e3c8dfbe0fbd4527354151228a506 Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Mon, 13 May 2019 15:42:05 +0000
Subject: [PATCH] epee: fix local/loopback checks on big endian

IPv4 addresses are kept in network byte order in memory
---
 contrib/epee/include/net/local_ip.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/contrib/epee/include/net/local_ip.h b/contrib/epee/include/net/local_ip.h
index ce74e1cd3..246cf6ad8 100644
--- a/contrib/epee/include/net/local_ip.h
+++ b/contrib/epee/include/net/local_ip.h
@@ -30,6 +30,11 @@
 #include <string>
 #include <boost/algorithm/string/predicate.hpp>
 #include <boost/asio/ip/address_v6.hpp>
+#include "int-util.h"
+
+// IP addresses are kept in network byte order
+// Masks below are little endian
+// -> convert from network byte order to host byte order before comparing
 
 namespace epee
 {
@@ -62,6 +67,7 @@ namespace epee
     inline
     bool is_ip_local(uint32_t ip)
     {
+      ip = SWAP32LE(ip);
       /*
       local ip area
       10.0.0.0 — 10.255.255.255 
@@ -85,6 +91,7 @@ namespace epee
     inline
     bool is_ip_loopback(uint32_t ip)
     {
+      ip = SWAP32LE(ip);
       if( (ip | 0xffffff00) == 0xffffff7f)
         return true;
       //MAKE_IP