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feat(network): allow binding to specific interface (#4481)

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David Lane 2025-12-23 13:08:12 -05:00 • committed by GitHub
commit 0aa7e3fd67
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13 changed files with 205 additions and 9 deletions
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16
src/network.cpp
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@ -105,7 +105,7 @@ namespace net {
return BOTH;
}
std::string_view af_to_any_address_string(af_e af) {
std::string_view af_to_any_address_string(const af_e af) {
switch (af) {
case IPV4:
return "0.0.0.0"sv;
@ -117,6 +117,16 @@ namespace net {
return "::"sv;
}
std::string get_bind_address(const af_e af) {
// If bind_address is configured, use it
if (!config::sunshine.bind_address.empty()) {
return config::sunshine.bind_address;
}
// Otherwise use the wildcard address for the given address family
return std::string(af_to_any_address_string(af));
}
boost::asio::ip::address normalize_address(boost::asio::ip::address address) {
// Convert IPv6-mapped IPv4 addresses into regular IPv4 addresses
if (address.is_v6()) {
@ -159,8 +169,8 @@ namespace net {
enet_initialize();
});
auto any_addr = net::af_to_any_address_string(af);
enet_address_set_host(&addr, any_addr.data());
const auto bind_addr = net::get_bind_address(af);
enet_address_set_host(&addr, bind_addr.c_str());
enet_address_set_port(&addr, port);
// Maximum of 128 clients, which should be enough for anyone