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Kernel: Outbound packets should use the source address from the socket

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Previously we'd use the adapter's address as the source address
when sending packets. Instead we should use the socket's bound local
address.
This commit is contained in:
Gunnar Beutner 2021-05-12 14:36:09 +02:00 • committed by Andreas Kling
parent 532db9f768
commit 2b6aa571d1
6 changed files with 16 additions and 13 deletions
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3
Kernel/Net/UDPSocket.cpp
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@ -84,7 +84,8 @@ KResultOr<size_t> UDPSocket::protocol_send(const UserOrKernelBuffer& data, size_
if (!data.read(udp_packet.payload(), data_length))
return EFAULT;
auto result = routing_decision.adapter->send_ipv4(routing_decision.next_hop, peer_address(), IPv4Protocol::UDP, UserOrKernelBuffer::for_kernel_buffer(buffer.data()), buffer_size, ttl());
auto result = routing_decision.adapter->send_ipv4(local_address(), routing_decision.next_hop,
peer_address(), IPv4Protocol::UDP, UserOrKernelBuffer::for_kernel_buffer(buffer.data()), buffer_size, ttl());
if (result.is_error())
return result;
return data_length;