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QUIC sniffer: Full support for handling multiple initial packets (#4642)

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Co-authored-by: RPRX <63339210+RPRX@users.noreply.github.com>
Co-authored-by: Vigilans <vigilans@foxmail.com>
Co-authored-by: Shelikhoo <xiaokangwang@outlook.com>
Co-authored-by: dyhkwong <50692134+dyhkwong@users.noreply.github.com>
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j2rong4cn 2025-04-28 18:03:03 +08:00 • committed by GitHub
parent a608c5a1db
commit 58c48664e2
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GPG key ID: B5690EEEBB952194
7 changed files with 371 additions and 95 deletions
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8
app/dispatcher/sniffer.go
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@ -6,6 +6,7 @@ import (
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/errors"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/protocol"
"github.com/xtls/xray-core/common/protocol/bittorrent"
"github.com/xtls/xray-core/common/protocol/http"
"github.com/xtls/xray-core/common/protocol/quic"
@ -58,14 +59,17 @@ var errUnknownContent = errors.New("unknown content")
func (s *Sniffer) Sniff(c context.Context, payload []byte, network net.Network) (SniffResult, error) {
var pendingSniffer []protocolSnifferWithMetadata
for _, si := range s.sniffer {
s := si.protocolSniffer
protocolSniffer := si.protocolSniffer
if si.metadataSniffer || si.network != network {
continue
}
result, err := s(c, payload)
result, err := protocolSniffer(c, payload)
if err == common.ErrNoClue {
pendingSniffer = append(pendingSniffer, si)
continue
} else if err == protocol.ErrProtoNeedMoreData { // Sniffer protocol matched, but need more data to complete sniffing
s.sniffer = []protocolSnifferWithMetadata{si}
return nil, err
}
if err == nil && result != nil {