Method openPort

ssh/ssh.ts:1293–1330

(msg: Api.Message, portStr: string)

      if (!restartResult.success) {
        throw new Error("无法重启SSH服务，请检查系统类型");
      }

      // 验证SSH服务状态
      const sshStatus = await isSshServiceActive() ? "✅ 运行中" : "❌ 未运行";

      await msg.edit({
        text: `✅ <b>SSH服务重启成功</b>\n\n重启命令: <code>${htmlEscape(restartResult.command || "未知")}</code>\n服务状态: ${sshStatus}\n\n💡 建议重启后验证SSH连接`,
        parseMode: "html"
      });
    } catch (error: any) {
      throw new Error(`重启SSH服务失败: ${error.message}`);
    }
  }

  // 开放防火墙端口
  private async openPort(msg: Api.Message, portStr: string): Promise<void> {
    const port = validatePort(portStr);
    
    if (!port) {
      await msg.edit({
        text: `❌ <b>无效的端口号</b>\n\n端口范围: 1-65535\n示例: <code>${mainPrefix}ssh open 80</code>`,
        parseMode: "html"
      });
      return;
    }

    await msg.edit({ text: `🔄 正在开放端口 ${port}...`, parseMode: "html" });

    try {
      // 使用iptables开放端口
      await execFileAsync("iptables", ["-I", "INPUT", "-p", "tcp", "--dport", String(port), "-j", "ACCEPT"]);
      await execFileAsync("iptables", ["-I", "INPUT", "-p", "udp", "--dport", String(port), "-j", "ACCEPT"]);

      // 尝试保存iptables规则
      try {
        await saveIptablesRules();
      } catch {
        console.log("[sshkey] 无法持久化iptables规则");
      }

      await msg.edit({