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Kernel: Support binding to INADDR_ANY (all IPs)

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This commit is contained in:
Conrad Pankoff 2019-08-09 12:38:56 +10:00 • committed by Andreas Kling
commit 4fcbbd24f7
Notes: sideshowbarker 2024-07-19 12:48:27 +09:00
3 changed files with 17 additions and 8 deletions
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21
Kernel/Net/TCPSocket.cpp
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@ -36,6 +36,11 @@ TCPSocketHandle TCPSocket::from_tuple(const IPv4SocketTuple& tuple)
if (address_match.has_value())
return { move(address_match.value()) };
auto wildcard_tuple = IPv4SocketTuple(IPv4Address(), tuple.local_port(), IPv4Address(), 0);
auto wildcard_match = sockets_by_tuple().resource().get(wildcard_tuple);
if (wildcard_match.has_value())
return { move(wildcard_match.value()) };
return {};
}
@ -206,7 +211,7 @@ NetworkOrdered<u16> TCPSocket::compute_tcp_checksum(const IPv4Address& source, c
KResult TCPSocket::protocol_bind()
{
if (!m_adapter) {
if (has_specific_local_address() && !m_adapter) {
m_adapter = NetworkAdapter::from_ipv4_address(local_address());
if (!m_adapter)
return KResult(-EADDRNOTAVAIL);
@ -230,11 +235,17 @@ KResult TCPSocket::protocol_listen()
KResult TCPSocket::protocol_connect(FileDescription& description, ShouldBlock should_block)
{
if (!m_adapter) {
m_adapter = adapter_for_route_to(peer_address());
if (!m_adapter)
return KResult(-EHOSTUNREACH);
if (has_specific_local_address()) {
m_adapter = NetworkAdapter::from_ipv4_address(local_address());
if (!m_adapter)
return KResult(-EADDRNOTAVAIL);
} else {
m_adapter = adapter_for_route_to(peer_address());
if (!m_adapter)
return KResult(-EHOSTUNREACH);
set_local_address(m_adapter->ipv4_address());
set_local_address(m_adapter->ipv4_address());
}
}
allocate_local_port_if_needed();