Olia Lisa
86 lines
1.6 KiB
Bash
86 lines
1.6 KiB
Bash
#!/bin/bash
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green="\033[32m"
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blue="\033[36m"
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yellow="\033[33m"
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reset="\033[0m"
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step() {
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echo ""
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echo -e "${blue}👉 $1${reset}"
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sleep 0.5
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}
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success() {
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echo -e "${green}✅ $1${reset}"
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}
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skip() {
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echo -e "${yellow}⏭️ $1${reset}"
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}
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info() {
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echo -e "${blue}👉 $1${reset}"
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}
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# 安装 Image Builder 构建所需依赖
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install_dependencies() {
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sudo apt install -y build-essential libncurses-dev zlib1g-dev gawk git \
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gettext libssl-dev xsltproc rsync wget unzip python3 qemu-utils mkisofs zstd
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}
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# =============================================================
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# 交互输入函数
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# 参数1: 提示信息
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# 参数2: 默认值
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# 返回: 用户输入值，直接回车返回默认值
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# =============================================================
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ask_input() {
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local prompt="$1"
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local default="$2"
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read -p "${prompt} [ 默认: ${default} ]: " value
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if [ -z "$value" ]; then
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echo "$default"
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else
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echo "$value"
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fi
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}
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# 获取lan口ip
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input_lan_ip() {
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local default_ip="$1"
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while true; do
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local ip
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ip=$(ask_input "请输入lan口ip" "$default_ip")
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if valid_ipv4 "$ip"; then
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echo "$ip"
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return 0
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else
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echo "[错误] IP地址格式不正确，请重新输入" >&2
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fi
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done
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}
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valid_ipv4() {
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local ip="$1"
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# 第一层：检查格式，必须是4段数字
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echo "$ip" | grep -Eq '^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$' || return 1
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# 第二层：检查每段范围
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echo "$ip" | awk -F. '
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$1>=0 && $1<=255 &&
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$2>=0 && $2<=255 &&
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$3>=0 && $3<=255 &&
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$4>=0 && $4<=255
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' | grep -q . || return 1
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return 0
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}
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