feat: 在输入lan口ip时, 增加校验

newifi3_d2.sh

@@ -174,6 +174,35 @@ build() {
   echo -e "固件输出: ${PROJECT_OUTPUT_DIR}"
 }
 
+# 获取lan口ip
+input_lan_ip() {
+  local default_ip="$1"
+
+  while true; do
+    local ip
+
+    ip=$(ask_input "请输入lan口ip" "$default_ip")
+
+    if valid_ipv4 "$ip"; then
+      echo "$ip"
+      return 0
+    else
+      echo "[错误] IP地址格式不正确，请重新输入" >&2
+    fi
+  done
+}
+
+valid_ipv4() {
+  local ip="$1"
+
+  echo "$ip" | awk -F. '
+    NF==4 &&
+    $1>=0 && $1<=255 &&
+    $2>=0 && $2<=255 &&
+    $3>=0 && $3<=255 &&
+    $4>=0 && $4<=255
+  '
+}
 
 project_dir="$(cd "$(dirname "$0")" && pwd)"
 cd "$project_dir"
@@ -184,7 +213,7 @@ version=$(ask_input "请输入 ImmortalWrt 版本" "$default_version")
 
 # lan口ip
 default_lan_ip="192.168.1.1"
-lan_ip=$(ask_input "请输入lan口ip" $default_lan_ip)
+lan_ip=$(input_lan_ip "$default_lan_ip")
 
 # 安装依赖
 install_dependencies