mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-11-29 20:11:28 +00:00
51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
package dns
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import (
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"context"
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"net/url"
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"github.com/sagernet/sing-box/adapter"
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"github.com/sagernet/sing-box/log"
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E "github.com/sagernet/sing/common/exceptions"
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M "github.com/sagernet/sing/common/metadata"
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N "github.com/sagernet/sing/common/network"
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)
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func NewTransport(ctx context.Context, dialer N.Dialer, logger log.Logger, address string) (adapter.DNSTransport, error) {
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if address == "local" {
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return NewLocalTransport(), nil
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}
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serverURL, err := url.Parse(address)
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if err != nil {
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return nil, err
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}
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host := serverURL.Hostname()
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if host == "" {
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host = address
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}
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port := serverURL.Port()
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switch serverURL.Scheme {
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case "tls":
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if port == "" {
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port = "853"
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}
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default:
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if port == "" {
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port = "53"
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}
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}
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destination := M.ParseSocksaddrHostPortStr(host, port)
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switch serverURL.Scheme {
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case "", "udp":
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return NewUDPTransport(ctx, dialer, logger, destination), nil
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case "tcp":
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return NewTCPTransport(ctx, dialer, logger, destination), nil
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case "tls":
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return NewTLSTransport(ctx, dialer, logger, destination), nil
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case "https":
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return NewHTTPSTransport(dialer, serverURL.String()), nil
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default:
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return nil, E.New("unknown dns scheme: " + serverURL.Scheme)
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}
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}
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