refactor: replace recursion with while loop in set_vmess

scripts/menus/7_gateway.sh

@@ -228,8 +228,10 @@ set_bot_tg(){
 	;;
 	esac		
 }
-#自定义入站
-set_vmess(){
+
+# 自定义入站
+set_vmess() {
+    while true; do
         echo "-----------------------------------------------"
         echo -e "\033[31m注意：\033[0m设置的端口会添加到公网访问防火墙并自动放行！\n      脚本只提供基础功能，更多需求请用自定义配置文件功能！"
         echo -e "      \033[31m切勿用于搭建违法翻墙节点，违者后果自负！\033[0m"
@@ -247,13 +249,15 @@ set_vmess(){
         echo "-----------------------------------------------"
         read -p "请输入对应数字 > " num
         case "$num" in
-	0) ;;
+        "" | 0)
+            break
+            ;;
         1)
-		if [ "$vms_service" = ON ];then
+            if [ "$vms_service" = ON ]; then
                 vms_service=OFF
                 setconfig vms_service "$vms_service"
             else
-			if [ -n "$vms_port" ] && [ -n "$vms_uuid" ];then
+                if [ -n "$vms_port" ] && [ -n "$vms_uuid" ]; then
                     vms_service=ON
                     setconfig vms_service "$vms_service"
                 else
@@ -261,11 +265,10 @@ set_vmess(){
                     sleep 1
                 fi
             fi
-		set_vmess
             ;;
         2)
             read -p "请输入端口号(输入0删除) > " text
-		if [ "$text" = 0 ];then
+            if [ "$text" = 0 ]; then
                 vms_port=''
                 setconfig vms_port "" "$GT_CFG_PATH"
             elif check_port "$text"; then
@@ -274,58 +277,54 @@ set_vmess(){
             else
                 sleep 1
             fi
-		set_vmess
             ;;
         3)
             read -p "请输入ws-path路径(输入0删除) > " text
-		if [ "$text" = 0 ];then
+            if [ "$text" = 0 ]; then
                 vms_ws_path=''
                 setconfig vms_ws_path "" "$GT_CFG_PATH"
-		elif echo "$text" |grep -qE '^/';then
+            elif echo "$text" | grep -qE '^/'; then
                 vms_ws_path="$text"
                 setconfig vms_ws_path "$text" "$GT_CFG_PATH"
             else
                 echo -e "\033[31m不是合法的path路径，必须以【/】开头！\033[0m"
                 sleep 1
             fi
-		set_vmess
             ;;
         4)
             read -p "请输入UUID(输入0删除) > " text
-		if [ "$text" = 0 ];then
+            if [ "$text" = 0 ]; then
                 vms_uuid=''
                 setconfig vms_uuid "" "$GT_CFG_PATH"
-		elif echo "$text" |grep -qiE '^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$';then
+            elif echo "$text" | grep -qiE '^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$'; then
                 vms_uuid="$text"
                 setconfig vms_uuid "$text" "$GT_CFG_PATH"
             else
                 echo -e "\033[31m不是合法的UUID格式，请重新输入或使用随机生成功能！\033[0m"
                 sleep 1
             fi
-		set_vmess
             ;;
         5)
             vms_uuid=$(cat /proc/sys/kernel/random/uuid)
             setconfig vms_uuid "$vms_uuid" "$GT_CFG_PATH"
             sleep 1
-		set_vmess
             ;;
         6)
             read -p "请输入免流混淆host(输入0删除) > " text
-		if [ "$text" = 0 ];then
+            if [ "$text" = 0 ]; then
                 vms_host=''
                 setconfig vms_host "" "$GT_CFG_PATH"
             else
                 vms_host="$text"
                 setconfig vms_host "$text" "$GT_CFG_PATH"
             fi
-		set_vmess
             ;;
         7)
             read -p "请输入本机公网IP(4/6)或域名 > " host_wan
-		if [ -n "$host_wan" ] && [ -n "$vms_port" ] && [ -n "$vms_uuid" ];then
+            if [ -n "$host_wan" ] && [ -n "$vms_port" ] && [ -n "$vms_uuid" ]; then
                 [ -n "$vms_ws_path" ] && vms_net=ws
-			vms_json=$(cat <<EOF
+                vms_json=$(
+                    cat <<EOF
 {
   "v": "2",
   "ps": "ShellCrash_vms_in",
@@ -339,7 +338,7 @@ set_vmess(){
   "host": "$vms_host"
 }
 EOF
-)
+                )
                 vms_link="vmess://$(gen_base64 "$vms_json")"
                 echo "-----------------------------------------------"
                 echo -e "你的分享链接是(请勿随意分享给他人):\n\033[32m$vms_link\033[0m"
@@ -347,11 +346,16 @@ EOF
                 echo -e "\033[31m请先完成必选设置！\033[0m"
             fi
             sleep 1
-		set_vmess
             ;;
-	*) errornum ;;
+        *)
+            errornum
+            sleep 1
+            break
+            ;;
         esac
+    done
 }
+
 set_shadowsocks(){
 	echo "-----------------------------------------------"
 	echo -e "\033[31m注意：\033[0m设置的端口会添加到公网访问防火墙并自动放行！\n      脚本只提供基础功能，更多需求请用自定义配置文件功能！"