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Openai/6911cc4b-5d54-800b-88ae-dc7ac6ff2d3d
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====== 二、 system() 函数 ====== * '''功能:''' 接收一个字符串参数,并将其作为命令执行 。 * '''用途:''' 是在代码中运行其他程序的捷径,尤其适用于建立快速原型,可以避免编写大量的C代码 。 * '''缺点/安全问题:''' * system()必须解释命令字符串,这容易出错 。 * 存在'''命令行注入'''的安全风险,用户可以通过在输入文本中注入命令行代码(例如使用&&)来运行任意命令 。 * 其他问题包括注释文本中的引号(撇号)破坏命令引号,以及PATH变量可能导致调用错误的程序 。
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