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Quic sniffer (#1074)

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* Add quic sniffer

* Fix quic sniffer

* Add uTP sniffer

* rename buf pool membership status to unmanaged

* rename buf type adaptor into FromBytes

Co-authored-by: 世界 <i@sekai.icu>
Co-authored-by: Shelikhoo <xiaokangwang@outlook.com>
This commit is contained in:
yuhan6665 2022-05-22 23:48:10 -04:00 • committed by GitHub
parent f046feb9ca
commit 3f64f3206c
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 404 additions and 54 deletions
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15
app/dispatcher/sniffer.go
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@ -2,6 +2,8 @@ package dispatcher
import (
"context"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/protocol/quic"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/protocol/bittorrent"
@ -22,6 +24,7 @@ type protocolSnifferWithMetadata struct {
// for both TCP and UDP connections
// It will not be shown as a traffic type for routing unless there is no other successful sniffing.
metadataSniffer bool
network net.Network
}
type Sniffer struct {
@ -31,9 +34,11 @@ type Sniffer struct {
func NewSniffer(ctx context.Context) *Sniffer {
ret := &Sniffer{
sniffer: []protocolSnifferWithMetadata{
{func(c context.Context, b []byte) (SniffResult, error) { return http.SniffHTTP(b) }, false},
{func(c context.Context, b []byte) (SniffResult, error) { return tls.SniffTLS(b) }, false},
{func(c context.Context, b []byte) (SniffResult, error) { return bittorrent.SniffBittorrent(b) }, false},
{func(c context.Context, b []byte) (SniffResult, error) { return http.SniffHTTP(b) }, false, net.Network_TCP},
{func(c context.Context, b []byte) (SniffResult, error) { return tls.SniffTLS(b) }, false, net.Network_TCP},
{func(c context.Context, b []byte) (SniffResult, error) { return bittorrent.SniffBittorrent(b) }, false, net.Network_TCP},
{func(c context.Context, b []byte) (SniffResult, error) { return quic.SniffQUIC(b) }, false, net.Network_UDP},
{func(c context.Context, b []byte) (SniffResult, error) { return bittorrent.SniffUTP(b) }, false, net.Network_UDP},
},
}
if sniffer, err := newFakeDNSSniffer(ctx); err == nil {
@ -49,11 +54,11 @@ func NewSniffer(ctx context.Context) *Sniffer {
var errUnknownContent = newError("unknown content")
func (s *Sniffer) Sniff(c context.Context, payload []byte) (SniffResult, error) {
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
if si.metadataSniffer {
if si.metadataSniffer || si.network != network {
continue
}
result, err := s(c, payload)