sing-box/common/sniff/tls.go
2022-07-08 23:03:57 +08:00

26 lines
677 B
Go

package sniff
import (
"context"
"crypto/tls"
"io"
"github.com/sagernet/sing-box/adapter"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing/common/bufio"
)
func TLSClientHello(ctx context.Context, reader io.Reader) (*adapter.InboundContext, error) {
var clientHello *tls.ClientHelloInfo
err := tls.Server(bufio.NewReadOnlyConn(reader), &tls.Config{
GetConfigForClient: func(argHello *tls.ClientHelloInfo) (*tls.Config, error) {
clientHello = argHello
return nil, nil
},
}).HandshakeContext(ctx)
if clientHello != nil {
return &adapter.InboundContext{Protocol: C.ProtocolTLS, Domain: clientHello.ServerName}, nil
}
return nil, err
}