add tls config option

pkg/dialer/option.go

@@ -2,6 +2,7 @@ package dialer
 
 import (
 	"context"
+	"crypto/tls"
 	"net"
 	"net/url"
 
@@ -9,8 +10,9 @@ import (
 )
 
 type Options struct {
-	User   *url.Userinfo
-	Logger logger.Logger
+	User      *url.Userinfo
+	TLSConfig *tls.Config
+	Logger    logger.Logger
 }
 
 type Option func(opts *Options)
@@ -21,6 +23,12 @@ func UserOption(user *url.Userinfo) Option {
 	}
 }
 
+func TLSConfigOption(tlsConfig *tls.Config) Option {
+	return func(opts *Options) {
+		opts.TLSConfig = tlsConfig
+	}
+}
+
 func LoggerOption(logger logger.Logger) Option {
 	return func(opts *Options) {
 		opts.Logger = logger