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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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6
Kernel/Net/TCPSocket.cpp
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@ -227,7 +227,7 @@ KResult TCPSocket::send_tcp_packet(u16 flags, const UserOrKernelBuffer* payload,
auto packet_buffer = UserOrKernelBuffer::for_kernel_buffer(buffer.data());
auto result = routing_decision.adapter->send_ipv4(
routing_decision.next_hop, peer_address(), IPv4Protocol::TCP,
local_address(), routing_decision.next_hop, peer_address(), IPv4Protocol::TCP,
packet_buffer, buffer_size, ttl());
if (result.is_error())
return result;
@ -265,8 +265,8 @@ void TCPSocket::send_outgoing_packets(RoutingDecision& routing_decision)
auto packet_buffer = UserOrKernelBuffer::for_kernel_buffer(packet.buffer.data());
int err = routing_decision.adapter->send_ipv4(
routing_decision.next_hop, peer_address(), IPv4Protocol::TCP,
packet_buffer, packet.buffer.size(), ttl());
local_address(), routing_decision.next_hop, peer_address(),
IPv4Protocol::TCP, packet_buffer, packet.buffer.size(), ttl());
if (err < 0) {
auto& tcp_packet = *(const TCPPacket*)(packet.buffer.data());
dmesgln("Error ({}) sending TCP packet from {}:{} to {}:{} with ({}{}{}{}) seq_no={}, ack_no={}, tx_counter={}",