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feat: 添加tls sni 嗅探

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# Conflicts:
#	tunnel/statistic/tracker.go
#	tunnel/tunnel.go
This commit is contained in:
fishg
2022-03-30 23:54:52 +08:00
committed by yaling888
parent e877b68179
commit c495d314d4
5 changed files with 338 additions and 0 deletions
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18
tunnel/statistic/tracker.go
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@ -1,11 +1,15 @@
package statistic
import (
"errors"
"net"
"time"
"github.com/Dreamacro/clash/common/snifer/tls"
"github.com/Dreamacro/clash/component/resolver"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/log"
"github.com/gofrs/uuid"
"go.uber.org/atomic"
)
@ -48,7 +52,21 @@ func (tt *tcpTracker) Write(b []byte) (int, error) {
n, err := tt.Conn.Write(b)
upload := int64(n)
tt.manager.PushUploaded(upload)
if tt.UploadTotal.Load() < 128 && tt.Metadata.Host == "" && (tt.Metadata.DstPort == "443" || tt.Metadata.DstPort == "8443") {
header, err := tls.SniffTLS(b)
if err != nil {
// log.Errorln("Expect no error but actually %s %s:%s:%s", err.Error(), tt.Metadata.Host, tt.Metadata.DstIP.String(), tt.Metadata.DstPort)
} else {
tt.Metadata.Host = header.Domain()
resolver.InsertHostByIP(tt.Metadata.DstIP, tt.Metadata.Host)
log.Errorln("sni %s %s", tt.Metadata.Host, tt.Metadata.DstIP.String())
tt.manager.Leave(tt)
tt.Conn.Close()
return n, errors.New("sni update")
}
}
tt.UploadTotal.Add(upload)
return n, err
}