From dd688f4eb001d93e815e857a09f07ab3a9a75816 Mon Sep 17 00:00:00 2001
From: OatmealDome <julian@oatmealdome.me>
Date: Sun, 1 Nov 2020 14:47:00 -0500
Subject: [PATCH] Top: Set port when connecting a socket to find the default
interface
---
Source/Core/Core/IOS/Network/IP/Top.cpp | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/Source/Core/Core/IOS/Network/IP/Top.cpp b/Source/Core/Core/IOS/Network/IP/Top.cpp
index 53fd9b2699..800259c5f8 100644
--- a/Source/Core/Core/IOS/Network/IP/Top.cpp
+++ b/Source/Core/Core/IOS/Network/IP/Top.cpp
@@ -223,8 +223,10 @@ static std::optional<DefaultInterface> GetSystemDefaultInterface()
sockaddr_in addr{};
socklen_t length = sizeof(addr);
addr.sin_family = AF_INET;
- // The address is irrelevant -- no packet is actually sent. This just needs to be a public IP.
+ // The address and port are irrelevant -- no packet is actually sent. These just need to be set
+ // to a valid IP and port.
addr.sin_addr.s_addr = inet_addr(8, 8, 8, 8);
+ addr.sin_port = htons(53);
if (connect(sock, reinterpret_cast<const sockaddr*>(&addr), sizeof(addr)) == -1)
return {};
if (getsockname(sock, reinterpret_cast<sockaddr*>(&addr), &length) == -1)