mirror of https://github.com/XTLS/Xray-core
36 lines
1.0 KiB
Go
36 lines
1.0 KiB
Go
package outbound
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import (
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"context"
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"os"
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"github.com/sagernet/sing/common/uot"
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"github.com/xtls/xray-core/common/errors"
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"github.com/xtls/xray-core/common/net"
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"github.com/xtls/xray-core/transport/internet"
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"github.com/xtls/xray-core/transport/internet/stat"
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)
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func (h *Handler) getUoTConnection(ctx context.Context, dest net.Destination) (stat.Connection, error) {
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if dest.Address == nil {
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return nil, errors.New("nil destination address")
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}
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if !dest.Address.Family().IsDomain() {
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return nil, os.ErrInvalid
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}
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var uotVersion int
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if dest.Address.Domain() == uot.MagicAddress {
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uotVersion = uot.Version
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} else if dest.Address.Domain() == uot.LegacyMagicAddress {
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uotVersion = uot.LegacyVersion
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} else {
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return nil, os.ErrInvalid
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}
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packetConn, err := internet.ListenSystemPacket(ctx, &net.UDPAddr{IP: net.AnyIP.IP(), Port: 0}, h.streamSettings.SocketSettings)
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if err != nil {
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return nil, errors.New("unable to listen socket").Base(err)
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}
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conn := uot.NewServerConn(packetConn, uotVersion)
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return h.getStatCouterConnection(conn), nil
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}
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