530 lines
13 KiB
Bash
530 lines
13 KiB
Bash
#!/usr/bin/env bash
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set -Eeuo pipefail
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trap 'echo "[错误] 第 $LINENO 行执行失败：$BASH_COMMAND" >&2' ERR
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CONFIG_FILE="/etc/hysteria/config.yaml"
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SERVICE_NAME="hysteria-server.service"
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red() { printf '\033[31m%s\033[0m\n' "$*"; }
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green() { printf '\033[32m%s\033[0m\n' "$*"; }
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yellow() { printf '\033[33m%s\033[0m\n' "$*"; }
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blue() { printf '\033[36m%s\033[0m\n' "$*"; }
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require_root() {
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if [[ "${EUID}" -ne 0 ]]; then
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red "请使用 root 运行此脚本。"
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exit 1
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fi
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}
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require_cmd() {
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command -v "$1" >/dev/null 2>&1 || {
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red "缺少命令: $1"
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exit 1
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}
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}
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random_subdomain_prefix() {
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openssl rand -hex 8 | cut -c1-8
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}
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prompt_nonempty() {
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local prompt="$1"
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local value=""
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while true; do
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read -r -p "$prompt" value < /dev/tty
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if [[ -n "${value// }" ]]; then
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printf '%s' "$value"
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return 0
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fi
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yellow "输入不能为空，请重新输入。" >&2
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done
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}
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confirm_yn() {
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local prompt="${1:-是否继续？}"
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local answer
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read -r -p "${prompt} [Y/n]: " answer
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case "${answer:-Y}" in
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Y|y|yes|YES|"") return 0 ;;
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N|n|no|NO) return 1 ;;
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*) yellow "输入无效，默认按 Y 处理。"; return 0 ;;
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esac
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}
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wait_for_apt_lock() {
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local timeout="${1:-300}"
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local waited=0
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while pgrep -x apt >/dev/null 2>&1 \
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|| pgrep -x apt-get >/dev/null 2>&1 \
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|| pgrep -x dpkg >/dev/null 2>&1 \
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|| pgrep -f unattended-upgrades >/dev/null 2>&1; do
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if (( waited == 0 )); then
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yellow "检测到 APT/DPKG 正被其他进程占用，正在等待..."
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ps -ef | grep -E 'apt|apt-get|dpkg|unattended' | grep -v grep || true
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fi
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if (( waited >= timeout )); then
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red "等待 APT 锁超时（${timeout} 秒）。"
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if confirm_yn "是否继续等待？"; then
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waited=0
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else
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return 1
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fi
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fi
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sleep 2
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waited=$((waited + 2))
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done
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green "APT 锁已释放。"
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return 0
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}
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generate_password() {
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openssl rand -base64 24 | tr -dc 'A-Za-z0-9' | head -c 24
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echo
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}
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mask_secret() {
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local secret="$1"
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local len="${#secret}"
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if (( len <= 8 )); then
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printf '********'
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else
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printf '%s****%s' "${secret:0:4}" "${secret: -4}"
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fi
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}
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validate_domain() {
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local domain="$1"
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[[ -n "$domain" ]] || return 1
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[[ "$domain" != *$'\n'* ]] || return 1
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[[ "$domain" != *$'\r'* ]] || return 1
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[[ "$domain" =~ ^([a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?\.)+[a-z]{2,63}$ ]]
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}
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get_server_ip() {
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local ipv4 ipv6
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ipv4="$(curl -4 -fsSL https://api.ipify.org || true)"
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ipv6="$(curl -6 -fsSL https://api64.ipify.org || true)"
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echo "${ipv4}|${ipv6}"
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}
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apt_update_and_install_base() {
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if ! confirm_yn "即将执行 apt update 并安装基础依赖 curl sed ufw openssl，是否继续？"; then
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red "已取消。"
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exit 1
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fi
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export DEBIAN_FRONTEND=noninteractive
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blue "==> 更新 APT 软件库"
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wait_for_apt_lock 300 || { red "APT 被占用，无法继续。"; exit 1; }
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apt update -y
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blue "==> 安装基础依赖"
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wait_for_apt_lock 300 || { red "APT 被占用，无法继续。"; exit 1; }
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apt install -y curl sed ufw openssl
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}
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disable_existing_firewalls() {
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if ! confirm_yn "即将关闭系统现有防火墙并清理规则，是否继续？"; then
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red "已取消关闭现有防火墙。"
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exit 1
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fi
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blue "==> 自动检测并关闭当前系统防火墙"
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if command -v ufw >/dev/null 2>&1; then
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yellow "检测到 UFW，正在关闭并重置"
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ufw disable || true
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yes | ufw reset || true
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fi
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if systemctl list-unit-files 2>/dev/null | grep -q '^firewalld\.service'; then
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yellow "检测到 firewalld，正在停止并禁用"
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systemctl stop firewalld || true
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systemctl disable firewalld || true
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systemctl mask firewalld || true
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fi
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if systemctl list-unit-files 2>/dev/null | grep -q '^nftables\.service'; then
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yellow "检测到 nftables，正在停止并禁用"
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systemctl stop nftables || true
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systemctl disable nftables || true
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fi
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if command -v nft >/dev/null 2>&1; then
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yellow "清空 nftables 规则"
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nft flush ruleset || true
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fi
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if command -v iptables >/dev/null 2>&1; then
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yellow "清空 iptables 规则"
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iptables -I INPUT 1 -p tcp --dport 22 -j ACCEPT || true
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iptables -F || true
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iptables -X || true
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iptables -Z || true
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iptables -P INPUT ACCEPT || true
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iptables -P FORWARD ACCEPT || true
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iptables -P OUTPUT ACCEPT || true
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else
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yellow "未检测到 iptables，跳过。"
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fi
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if command -v ip6tables >/dev/null 2>&1; then
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yellow "清空 ip6tables 规则"
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ip6tables -I INPUT 1 -p tcp --dport 22 -j ACCEPT || true
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ip6tables -F || true
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ip6tables -X || true
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ip6tables -Z || true
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ip6tables -P INPUT ACCEPT || true
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ip6tables -P FORWARD ACCEPT || true
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ip6tables -P OUTPUT ACCEPT || true
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else
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yellow "未检测到 ip6tables，跳过。"
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fi
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green "现有防火墙处理完成。"
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}
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configure_ufw() {
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if ! confirm_yn "即将配置并启用 UFW（开放 22/80/443 TCP 和 443 UDP），是否继续？"; then
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red "已取消 UFW 配置。"
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exit 1
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fi
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blue "==> 配置 UFW"
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if [[ -f /etc/default/ufw ]]; then
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sed -i 's/^IPV6=.*/IPV6=yes/' /etc/default/ufw || true
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fi
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ufw default deny incoming || true
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ufw default allow outgoing || true
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ufw allow 22/tcp || true
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ufw allow 80/tcp || true
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ufw allow 443/tcp || true
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ufw allow 443/udp || true
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yes | ufw enable || true
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green "UFW 配置完成。"
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}
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install_hysteria2() {
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if ! confirm_yn "即将安装 Hysteria 2，是否继续？"; then
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red "已取消 Hysteria 2 安装。"
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exit 1
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fi
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blue "==> 安装 Hysteria 2"
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bash <(curl -fsSL https://get.hy2.sh/)
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green "Hysteria 2 安装完成。"
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}
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run_domain_selector() {
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if confirm_yn "是否执行外部域名筛选脚本？"; then
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blue "==> 执行域名筛选脚本"
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bash <(curl -sL https://raw.githubusercontent.com/ccxkai233/Domain_Selector/main/domain_check.sh) || true
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else
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yellow "已跳过域名筛选脚本。"
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fi
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}
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cf_api_request() {
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local method="$1"
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local url="$2"
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local data="${3:-}"
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if [[ -n "$data" ]]; then
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curl -fsSL -X "$method" "$url" \
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-H "Authorization: Bearer ${CF_API_TOKEN}" \
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-H "Content-Type: application/json" \
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--data "$data"
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else
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curl -fsSL -X "$method" "$url" \
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-H "Authorization: Bearer ${CF_API_TOKEN}" \
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-H "Content-Type: application/json"
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fi
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}
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get_cf_zone_id() {
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local zone="$1"
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cf_api_request GET "https://api.cloudflare.com/client/v4/zones?name=${zone}" \
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| sed -n 's/.*"id":"\([^"]*\)".*/\1/p' | head -n 1
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}
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delete_existing_cf_dns_record() {
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local zone_id="$1"
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local full_domain="$2"
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local type="$3"
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local record_id
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record_id="$(
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cf_api_request GET "https://api.cloudflare.com/client/v4/zones/${zone_id}/dns_records?name=${full_domain}&type=${type}" \
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| sed -n 's/.*"id":"\([^"]*\)".*/\1/p' | head -n 1
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)"
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if [[ -n "$record_id" ]]; then
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cf_api_request DELETE "https://api.cloudflare.com/client/v4/zones/${zone_id}/dns_records/${record_id}" >/dev/null
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fi
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}
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create_cf_dns_record_type() {
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local zone_id="$1"
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local full_domain="$2"
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local type="$3"
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local content="$4"
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[[ -z "$content" ]] && return 0
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local payload
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payload=$(
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cat <<EOF
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{"type":"${type}","name":"${full_domain}","content":"${content}","ttl":120,"proxied":false}
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EOF
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)
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if ! cf_api_request POST "https://api.cloudflare.com/client/v4/zones/${zone_id}/dns_records" "$payload" >/dev/null; then
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red "创建 Cloudflare ${type} 记录失败，请检查 Token 权限和 Zone 配置。" >&2
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return 1
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fi
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}
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create_cloudflare_dns_record() {
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local zone="$1"
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local subdomain="$2"
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local ipv4="$3"
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local ipv6="$4"
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local full_domain="${subdomain}.${zone}"
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local zone_id
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echo "==> 在 Cloudflare 中创建 DNS 记录" >&2
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echo "Zone: ${zone}" >&2
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echo "完整域名: ${full_domain}" >&2
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if ! zone_id="$(get_cf_zone_id "$zone")"; then
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red "调用 Cloudflare API 获取 Zone ID 失败，请检查网络和 Token 权限。" >&2
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return 1
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fi
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if [[ -z "$zone_id" ]]; then
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red "无法获取 Cloudflare Zone ID，请检查 Token 权限或 Zone 名称。" >&2
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return 1
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fi
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delete_existing_cf_dns_record "$zone_id" "$full_domain" "A" || true
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delete_existing_cf_dns_record "$zone_id" "$full_domain" "AAAA" || true
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if [[ -n "$ipv4" ]]; then
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create_cf_dns_record_type "$zone_id" "$full_domain" "A" "$ipv4" || return 1
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echo "已创建 A 记录 -> ${ipv4}" >&2
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fi
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if [[ -n "$ipv6" ]]; then
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create_cf_dns_record_type "$zone_id" "$full_domain" "AAAA" "$ipv6" || return 1
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echo "已创建 AAAA 记录 -> ${ipv6}" >&2
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fi
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if ! validate_domain "$full_domain"; then
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red "生成的域名格式无效：${full_domain}" >&2
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return 1
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fi
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printf '%s\n' "$full_domain"
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}
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backup_existing_config() {
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if [[ -f "${CONFIG_FILE}" ]]; then
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local backup_file="${CONFIG_FILE}.bak.$(date +%Y%m%d_%H%M%S)"
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cp -a "${CONFIG_FILE}" "${backup_file}"
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yellow "检测到已有配置，已备份到: ${backup_file}"
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fi
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}
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write_config() {
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local domain="$1"
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local email="$2"
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local cf_token="$3"
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local password="$4"
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local proxy_url="$5"
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local masked_token
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if ! validate_domain "$domain"; then
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red "域名无效，拒绝写入配置：${domain@Q}"
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exit 1
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fi
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masked_token="$(mask_secret "$cf_token")"
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echo
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blue "==> 即将写入如下配置到 ${CONFIG_FILE}"
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cat <<EOF
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listen: :443
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acme:
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domains:
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- ${domain}
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email: ${email}
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type: dns
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dns:
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name: cloudflare
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config:
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cloudflare_api_token: ${masked_token}
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auth:
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type: password
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password: ${password}
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masquerade:
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type: proxy
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proxy:
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url: ${proxy_url}
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rewriteHost: true
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EOF
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echo
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if ! confirm_yn "是否确认写入配置文件？"; then
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red "已取消写入配置。"
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exit 1
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fi
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mkdir -p /etc/hysteria
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backup_existing_config
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cat > "${CONFIG_FILE}" <<EOF
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listen: :443
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acme:
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domains:
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- ${domain}
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email: ${email}
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type: dns
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dns:
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name: cloudflare
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config:
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cloudflare_api_token: ${cf_token}
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auth:
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type: password
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password: ${password}
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masquerade:
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type: proxy
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proxy:
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url: ${proxy_url}
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rewriteHost: true
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EOF
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chown root:root "${CONFIG_FILE}"
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chmod 644 "${CONFIG_FILE}"
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green "配置已写入 ${CONFIG_FILE}"
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}
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start_service() {
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if ! confirm_yn "是否启动并设置 Hysteria 服务开机自启？"; then
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red "已取消启动服务。"
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exit 1
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fi
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blue "==> 启动并设置开机自启"
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systemctl daemon-reload || true
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systemctl enable --now "${SERVICE_NAME}"
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systemctl restart "${SERVICE_NAME}"
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green "服务已启动。"
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}
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show_result() {
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local domain="$1"
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local password="$2"
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local proxy_url="$3"
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local ip_info="$4"
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local ipv4="${ip_info%%|*}"
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local ipv6="${ip_info##*|}"
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local share_link="hysteria2://${password}@${domain}:443/?sni=${domain}&insecure=0"
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echo
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green "================= HY2 节点信息 ================="
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echo "域名: ${domain}"
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echo "端口: 443"
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echo "密码: ${password}"
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echo "伪装站点: ${proxy_url}"
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[[ -n "${ipv4}" ]] && echo "IPv4: ${ipv4}"
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[[ -n "${ipv6}" ]] && echo "IPv6: ${ipv6}"
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echo
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echo "代理链接:"
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echo "${share_link}"
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echo
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echo "hysteria 状态:"
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systemctl --no-pager --full status "${SERVICE_NAME}" || true
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echo
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echo "最近日志:"
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journalctl --no-pager -n 30 -u "${SERVICE_NAME}" || true
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echo "================================================"
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}
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main() {
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require_root
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if ! confirm_yn "本脚本将更新软件源、关闭现有防火墙、配置 UFW、安装并配置 Hysteria 2，是否继续？"; then
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red "用户取消执行。"
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exit 1
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fi
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apt_update_and_install_base
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require_cmd curl
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require_cmd sed
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require_cmd systemctl
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require_cmd ufw
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require_cmd openssl
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local email zone subdomain proxy_url password ip_info ipv4 ipv6 domain
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email="$(prompt_nonempty '请输入 ACME 邮箱: ')"
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zone="$(prompt_nonempty '请输入 Cloudflare Zone（例如 example.com）: ')"
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default_subdomain="$(random_subdomain_prefix)"
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read -r -p "请输入要创建的子域名前缀（例如 hy2，直接回车使用默认值 ${default_subdomain}）: " subdomain
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subdomain="${subdomain:-$default_subdomain}"
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subdomain="$(printf '%s' "$subdomain" | tr 'A-Z' 'a-z' | tr -cd 'a-z0-9-')"
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CF_API_TOKEN="$(prompt_nonempty '请输入 Cloudflare API Token: ')"
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export CF_API_TOKEN
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password="$(generate_password)"
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ip_info="$(get_server_ip)"
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ipv4="${ip_info%%|*}"
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ipv6="${ip_info##*|}"
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if [[ -z "$ipv4" && -z "$ipv6" ]]; then
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red "无法获取服务器公网 IP。"
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exit 1
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||
fi
|
||
|
||
disable_existing_firewalls
|
||
configure_ufw
|
||
install_hysteria2
|
||
run_domain_selector
|
||
|
||
proxy_url="$(prompt_nonempty '请输入最终用于 masquerade 的完整 URL（例如 https://example.com/）: ')"
|
||
|
||
if confirm_yn "是否在 Cloudflare 中自动创建 DNS 记录 ${subdomain}.${zone}？"; then
|
||
if ! domain="$(create_cloudflare_dns_record "$zone" "$subdomain" "$ipv4" "$ipv6")"; then
|
||
red "自动创建 Cloudflare DNS 记录失败，脚本已中止，未写入 Hysteria 配置。"
|
||
exit 1
|
||
fi
|
||
else
|
||
domain="$(prompt_nonempty '请输入已存在并已解析到本机的完整域名: ')"
|
||
fi
|
||
|
||
write_config "${domain}" "${email}" "${CF_API_TOKEN}" "${password}" "${proxy_url}"
|
||
start_service
|
||
show_result "${domain}" "${password}" "${proxy_url}" "${ip_info}"
|
||
}
|
||
|
||
main "$@"
|