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4.3. 脚本语言的检查权限
检查一个程序是否被授权操作的“
pkcheck”实用工具,现在为 ----process 选项提供新选项,以新的参数来指定程序,从而使命令更加安全。新格式如下所示:--process pid,start-time,uid
--process 选项本身并不是新的,只有它的参数是新的:pid、start_time,和 uid 可使用确切的值进行替换。在 pkcheck(1) 手册页提及的其它值依然存在,但被认为是不安全的。
重要
调用“
pkcheck”的脚本语言需要使用新格式,来避免竞争条件的出现。

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