.goreleaser.yml

@@ -3,34 +3,25 @@ before:
     - go mod download
     - go generate ./...
 builds:
-  - main: ./cmd/sclient/
+  - main: ./cmd/sclient/main.go
     env:
       - CGO_ENABLED=0
     goos:
-      - darwin
       - linux
-      - freebsd
       - windows
-      - js
+      - darwin
     goarch:
+      - 386
       - amd64
       - arm
       - arm64
-      - wasm
     goarm:
+      - 6
       - 7
-    goamd64:
-      - v2
-    ignore:
-      - goos: windows
-        goarch: 386
-      - goos: windows
-        goarm: 6
-      - goos: windows
-        goarm: 7
 archives:
-  - id: sclient-binary
-    format: tar.xz
+  - replacements:
+      386: i386
+      amd64: x86_64
     format_overrides:
       - goos: windows
         format: zip

README.md

@@ -70,11 +70,10 @@ sclient [flags] <remote> <local>
 ```
 
 - flags
-  - `-s`, `--silent` less verbose logging
-  - `-k`, `--insecure` ignore invalid TLS (SSL/HTTPS) certificates
-  - `--servername <domain>` spoof SNI (to disable use IP as &lt;remote&gt; and do
+  - -s, --silent less verbose logging
+  - -k, --insecure ignore invalid TLS (SSL/HTTPS) certificates
+  - --servername <string> spoof SNI (to disable use IP as &lt;remote&gt; and do
     not use this option)
-  - `--alpn <protocol-list>`
 - remote
   - must have servername (i.e. example.com)
   - port is optional (default is 443)
@@ -82,17 +81,6 @@ sclient [flags] <remote> <local>
   - address is optional (default is localhost)
   - must have port (i.e. 3000)
 
-  -alpn string
-    	acceptable protocols, ex: 'h2,http/1.1' 'http/1.1' (default) 'ssh' (default "http/1.1")
-  -insecure
-    	ignore bad TLS/SSL/HTTPS certificates
-  -k	alias for --insecure
-  -s	alias of --silent
-  -servername string
-    	specify a servername different from <remote> (to disable SNI use an IP as <remote> and do use this option)
-  -silent
-    	less verbose output
-
 # Examples
 
 Bridge between `telebit.cloud` and local port `3000`.

cmd/sclient/main.go

@@ -40,30 +40,20 @@ func usage() {
 
 func main() {
 	if len(os.Args) >= 2 {
-		if os.Args[1] == "-V" || strings.TrimLeft(os.Args[1], "-") == "version" {
+		if "version" == strings.TrimLeft(os.Args[1], "-") {
 			fmt.Printf("%s\n", ver())
 			os.Exit(0)
 			return
 		}
 	}
 
-	var alpnList string
-	var insecure bool
-	var servername string
-	var silent bool
-
 	flag.Usage = usage
-
-	flag.StringVar(&alpnList, "alpn", "", "acceptable protocols, ex: 'h2,http/1.1' 'http/1.1' 'ssh'")
-	flag.BoolVar(&insecure, "k", false, "alias for --insecure")
-	flag.BoolVar(&silent, "s", false, "alias of --silent")
-	flag.StringVar(&servername, "servername", "", "specify a servername different from <remote> (to disable SNI use an IP as <remote> and do not use this option)")
-	flag.BoolVar(&insecure, "insecure", false, "ignore bad TLS/SSL/HTTPS certificates")
-	flag.BoolVar(&silent, "silent", false, "less verbose output")
-
+	insecure := flag.Bool("k", false, "alias for --insecure")
+	silent := flag.Bool("s", false, "alias of --silent")
+	servername := flag.String("servername", "", "specify a servername different from <remote> (to disable SNI use an IP as <remote> and do use this option)")
+	flag.BoolVar(insecure, "insecure", false, "ignore bad TLS/SSL/HTTPS certificates")
+	flag.BoolVar(silent, "silent", false, "less verbose output")
 	flag.Parse()
-
-	alpns := parseOptionList(alpnList)
 	remotestr := flag.Arg(0)
 	localstr := flag.Arg(1)
 
@@ -81,10 +71,9 @@ func main() {
 	sclient := &sclient.Tunnel{
 		RemotePort:         443,
 		LocalAddress:       "localhost",
-		InsecureSkipVerify: insecure,
-		ServerName:         servername,
-		Silent:             silent,
-		NextProtos:         alpns,
+		InsecureSkipVerify: *insecure,
+		ServerName:         *servername,
+		Silent:             *silent,
 	}
 
 	remote := strings.Split(remotestr, ":")
@@ -135,18 +124,3 @@ func main() {
 		//os.Exit(6)
 	}
 }
-
-// parsers "a,b,c" "a b c" and "a, b, c" all the same
-func parseOptionList(optionList string) []string {
-	optionList = strings.TrimSpace(optionList)
-
-	if len(optionList) == 0 {
-		return nil
-	}
-
-	options := []string{}
-	optionList = strings.ReplaceAll(optionList, ",", " ")
-	options = strings.Fields(optionList)
-
-	return options
-}

sclient.go

@@ -17,7 +17,6 @@ type Tunnel struct {
 	LocalAddress       string
 	LocalPort          int
 	InsecureSkipVerify bool
-	NextProtos         []string
 	ServerName         string
 	Silent             bool
 }
@@ -30,7 +29,6 @@ func (t *Tunnel) DialAndListen() error {
 		&tls.Config{
 			ServerName:         t.ServerName,
 			InsecureSkipVerify: t.InsecureSkipVerify,
-			NextProtos:         t.NextProtos,
 		})
 
 	if err != nil {