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Kernel: Support binding to INADDR_ANY (all IPs)
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parent
3eb659a2bb
commit
4fcbbd24f7
3 changed files with 17 additions and 8 deletions
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@ -95,9 +95,6 @@ KResult IPv4Socket::listen(int backlog)
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if (rc < 0)
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return KResult(-EADDRINUSE);
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if (m_local_address.to_u32() == 0)
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return KResult(-EADDRINUSE);
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set_backlog(backlog);
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kprintf("IPv4Socket{%p} listening with backlog=%d\n", this, backlog);
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@ -39,6 +39,7 @@ public:
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const IPv4Address& local_address() const { return m_local_address; }
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u16 local_port() const { return m_local_port; }
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void set_local_port(u16 port) { m_local_port = port; }
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bool has_specific_local_address() { return m_local_address.to_u32() != 0; }
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const IPv4Address& peer_address() const { return m_peer_address; }
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u16 peer_port() const { return m_peer_port; }
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@ -36,6 +36,11 @@ TCPSocketHandle TCPSocket::from_tuple(const IPv4SocketTuple& tuple)
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if (address_match.has_value())
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return { move(address_match.value()) };
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auto wildcard_tuple = IPv4SocketTuple(IPv4Address(), tuple.local_port(), IPv4Address(), 0);
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auto wildcard_match = sockets_by_tuple().resource().get(wildcard_tuple);
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if (wildcard_match.has_value())
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return { move(wildcard_match.value()) };
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return {};
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}
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@ -206,7 +211,7 @@ NetworkOrdered<u16> TCPSocket::compute_tcp_checksum(const IPv4Address& source, c
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KResult TCPSocket::protocol_bind()
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{
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if (!m_adapter) {
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if (has_specific_local_address() && !m_adapter) {
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m_adapter = NetworkAdapter::from_ipv4_address(local_address());
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if (!m_adapter)
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return KResult(-EADDRNOTAVAIL);
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@ -230,12 +235,18 @@ KResult TCPSocket::protocol_listen()
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KResult TCPSocket::protocol_connect(FileDescription& description, ShouldBlock should_block)
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{
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if (!m_adapter) {
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if (has_specific_local_address()) {
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m_adapter = NetworkAdapter::from_ipv4_address(local_address());
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if (!m_adapter)
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return KResult(-EADDRNOTAVAIL);
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} else {
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m_adapter = adapter_for_route_to(peer_address());
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if (!m_adapter)
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return KResult(-EHOSTUNREACH);
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set_local_address(m_adapter->ipv4_address());
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}
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}
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allocate_local_port_if_needed();
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