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Kernel: Implement the SO_DONTROUTE SOL_SOCKET-level option

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This commit is contained in:
Idan Horowitz 2021-12-02 01:01:02 +02:00 • committed by Andreas Kling
commit 613ade9dec
Notes: sideshowbarker 2024-07-17 23:10:31 +09:00
4 changed files with 20 additions and 2 deletions
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2
Kernel/Net/IPv4Socket.cpp
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@ -210,7 +210,7 @@ ErrorOr<size_t> IPv4Socket::sendto(OpenFileDescription&, const UserOrKernelBuffe
if (!is_connected() && m_peer_address.is_zero())
return set_so_error(EPIPE);
auto allow_using_gateway = (flags & MSG_DONTROUTE) ? AllowUsingGateway::No : AllowUsingGateway::Yes;
auto allow_using_gateway = ((flags & MSG_DONTROUTE) || m_routing_disabled) ? AllowUsingGateway::No : AllowUsingGateway::Yes;
auto routing_decision = route_to(m_peer_address, m_local_address, bound_interface(), allow_using_gateway);
if (routing_decision.is_zero())
return set_so_error(EHOSTUNREACH);