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feat: sniffer support

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sniffer:
  enable: true
  force: false # Overwrite domain
  sniffing:
    - tls
This commit is contained in:
Skyxim
2022-04-09 22:30:36 +08:00
parent 07906c0aa5
commit 544e0f137d
9 changed files with 256 additions and 62 deletions
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17
tunnel/statistic/tracker.go
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@ -1,14 +1,10 @@
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"
@ -52,20 +48,7 @@ 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" || tt.Metadata.DstPort == "993" || tt.Metadata.DstPort == "465" || tt.Metadata.DstPort == "995") {
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 {
resolver.InsertHostByIP(tt.Metadata.DstIP, header.Domain())
log.Warnln("use sni update host: %s ip: %s", header.Domain(), tt.Metadata.DstIP.String())
tt.manager.Leave(tt)
tt.Conn.Close()
return n, errors.New("sni update, break current link to avoid leaks")
}
}
tt.UploadTotal.Add(upload)
return n, err
}