59 lines
1.2 KiB
Go
59 lines
1.2 KiB
Go
//go:build !linux && !darwin && !windows
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package dialer
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import (
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"net"
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"net/netip"
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"strconv"
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"strings"
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)
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func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, network string, destination netip.Addr) error {
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if !destination.IsGlobalUnicast() {
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return nil
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}
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local := uint64(0)
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if dialer.LocalAddr != nil {
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_, port, err := net.SplitHostPort(dialer.LocalAddr.String())
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if err == nil {
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local, _ = strconv.ParseUint(port, 10, 16)
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}
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}
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addr, err := LookupLocalAddrFromIfaceName(ifaceName, network, destination, int(local))
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if err != nil {
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return err
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}
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dialer.LocalAddr = addr
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return nil
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}
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func bindIfaceToListenConfig(ifaceName string, _ *net.ListenConfig, network, address string) (string, error) {
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_, port, err := net.SplitHostPort(address)
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if err != nil {
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port = "0"
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}
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local, _ := strconv.ParseUint(port, 10, 16)
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addr, err := LookupLocalAddrFromIfaceName(ifaceName, network, netip.Addr{}, int(local))
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if err != nil {
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return "", err
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}
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return addr.String(), nil
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}
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func ParseNetwork(network string, addr netip.Addr) string {
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// fix bindIfaceToListenConfig() force bind to an ipv4 address
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if !strings.HasSuffix(network, "4") &&
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!strings.HasSuffix(network, "6") &&
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addr.Unmap().Is6() {
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network += "6"
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}
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return network
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}
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