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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/IPv4Socket.cpp
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@@ -206,7 +206,8 @@ KResultOr<size_t> IPv4Socket::sendto(FileDescription&, const UserOrKernelBuffer&
dbgln_if(IPV4_SOCKET_DEBUG, "sendto: destination={}:{}", m_peer_address, m_peer_port);
if (type() == SOCK_RAW) {
auto result = routing_decision.adapter->send_ipv4(routing_decision.next_hop, m_peer_address, (IPv4Protocol)protocol(), data, data_length, m_ttl);
auto result = routing_decision.adapter->send_ipv4(local_address(), routing_decision.next_hop,
m_peer_address, (IPv4Protocol)protocol(), data, data_length, m_ttl);
if (result.is_error())
return result;
return data_length;