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34 lines
1020 B
34 lines
1020 B
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/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, newError("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, newError("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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