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33 lines
525 B
33 lines
525 B
4 years ago
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package bittorrent
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import (
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"errors"
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"github.com/xtls/xray-core/v1/common"
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)
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type SniffHeader struct {
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}
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func (h *SniffHeader) Protocol() string {
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return "bittorrent"
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}
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func (h *SniffHeader) Domain() string {
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return ""
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}
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var errNotBittorrent = errors.New("not bittorrent header")
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func SniffBittorrent(b []byte) (*SniffHeader, error) {
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if len(b) < 20 {
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return nil, common.ErrNoClue
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}
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if b[0] == 19 && string(b[1:20]) == "BitTorrent protocol" {
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return &SniffHeader{}, nil
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}
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return nil, errNotBittorrent
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}
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