add cli options for execEnabled

cmd/config.go

@@ -31,6 +31,7 @@ func addConfigFlags(flags *pflag.FlagSet) {
 	addServerFlags(flags)
 	addUserFlags(flags)
 	flags.BoolP("signup", "s", false, "allow users to signup")
+	flags.BoolP("execEnabled", "", true, "enable the Command Runner feature")
 	flags.String("shell", "", "shell command to which other commands should be appended")
 
 	flags.String("auth.method", string(auth.MethodJSONAuth), "authentication type")
@@ -126,6 +127,7 @@ func printSettings(ser *settings.Server, set *settings.Settings, auther auth.Aut
 	fmt.Fprintf(w, "Sign up:\t%t\n", set.Signup)
 	fmt.Fprintf(w, "Create User Dir:\t%t\n", set.CreateUserDir)
 	fmt.Fprintf(w, "Auth method:\t%s\n", set.AuthMethod)
+	fmt.Fprintf(w, "Exec Enabled:\t%t\n", set.ExecEnabled)
 	fmt.Fprintf(w, "Shell:\t%s\t\n", strings.Join(set.Shell, " "))
 	fmt.Fprintln(w, "\nBranding:")
 	fmt.Fprintf(w, "\tName:\t%s\n", set.Branding.Name)

cmd/config_init.go

@@ -32,6 +32,7 @@ override the options.`,
 		s := &settings.Settings{
 			Key:         generateKey(),
 			Signup:      mustGetBool(flags, "signup"),
+			ExecEnabled: true,
 			Shell:       strings.Split(strings.TrimSpace(mustGetString(flags, "shell")), " "),
 			AuthMethod:  authMethod,
 			Defaults:    defaults,

cmd/config_set.go

@@ -49,6 +49,8 @@ you want to change. Other options will remain unchanged.`,
 				set.Signup = mustGetBool(flags, flag.Name)
 			case "auth.method":
 				hasAuth = true
+			case "execEnabled":
+				set.ExecEnabled = mustGetBool(flags, flag.Name)
 			case "shell":
 				set.Shell = strings.Split(strings.TrimSpace(mustGetString(flags, flag.Name)), " ")
 			case "branding.name":

http/settings.go

@@ -14,6 +14,7 @@ type settingsData struct {
 	Defaults      settings.UserDefaults `json:"defaults"`
 	Rules         []rules.Rule          `json:"rules"`
 	Branding      settings.Branding     `json:"branding"`
+	ExecEnabled   bool                  `json:"execEnabled"`
 	Shell         []string              `json:"shell"`
 	Commands      map[string][]string   `json:"commands"`
 }
@@ -25,6 +26,7 @@ var settingsGetHandler = withAdmin(func(w http.ResponseWriter, r *http.Request,
 		Defaults:      d.settings.Defaults,
 		Rules:         d.settings.Rules,
 		Branding:      d.settings.Branding,
+		ExecEnabled:   d.settings.ExecEnabled,
 		Shell:         d.settings.Shell,
 		Commands:      d.settings.Commands,
 	}