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Merge pull request #9214 from OatmealDome/macos-bind 

Top: Set port when connecting a socket to find the default interface
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Léo Lam 2020-11-02 22:17:38 +01:00 committed by GitHub
parent 5b9cd83137 dd688f4eb0
commit cbaf8f82ec
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1 changed files with 3 additions and 1 deletions
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4
Source/Core/Core/IOS/Network/IP/Top.cpp
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@ -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)