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core/socket_proxy: Correct broadcast behavior

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Broadcasts should only be sent when the broadcast IP is used.
They should also only be received when SO_BROADCAST is enabled.
This commit is contained in:
FearlessTobi 2022-08-27 03:39:02 +02:00
parent 839e1faf49
commit 339758c9fc
1 changed files with 7 additions and 1 deletions
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8
src/core/internal_network/socket_proxy.cpp
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@ -26,6 +26,12 @@ void ProxySocket::HandleProxyPacket(const ProxyPacket& packet) {
closed) {
return;
}
if (!broadcast && packet.broadcast) {
LOG_INFO(Network, "Received broadcast packet, but not configured for broadcast mode");
return;
}
std::lock_guard guard(packets_mutex);
received_packets.push(packet);
}
@ -203,7 +209,7 @@ std::pair<s32, Errno> ProxySocket::SendTo(u32 flags, const std::vector<u8>& mess
packet.local_endpoint = local_endpoint;
packet.remote_endpoint = *addr;
packet.protocol = protocol;
packet.broadcast = broadcast;
packet.broadcast = broadcast && packet.remote_endpoint.ip[3] == 255;
auto& ip = local_endpoint.ip;
auto ipv4 = Network::GetHostIPv4Address();