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  • setuid - run a command with a different uid.

    setuid username|uid   command [ args ]
    Setuid  changes  user  id, then executes the specified command.  Unlike
           some versions of su(1), this program doesn't ever ask  for  a  password
           when executed with effective uid=root.  This program doesn't change the
           environment; it only changes the uid and then uses execvp() to find the
           command  in  the  path,  and  execute it.  (If the command is a script,
  • setuid - set user identity

    #include <sys/types.h>
           #include <unistd.h>
    
           int setuid(uid_t uid);
    setuid()  sets  the  effective  user ID of the calling process.  If the
           effective UID of the caller is root, the real UID and saved set-user-ID
           are also set.
    
           Under  Linux,  setuid()  is implemented like the POSIX version with the

相关文章

  • 360 for Linux 与 setuid

    前言 今日,国内著名安全类软件 360 正式进军 Linux 平台,目前已提供 Debian/Ubuntu/Deepin 以及中标麒麟的预编译二进制。而包括我在内的吃螃蟹者都不同程度地注意到了 360 for Linux 的二进制在正常状况下被设置了 setuid 位。即 4755 权限。如http://www.v2ex.com/t/158380#reply27以及http://tieba.baidu.com/p/3499343332 图: 360 for Linux 的权限位 如图所示,这是我在 VirtualBox OSE 中安装的 Lubuntu 14.10 中的 360 for Linux 安装后的权限位, ls 已经将其标红并且显示权限位为-rwsr-xr-x (4755) 。下面就 setuid 以及其作

    2015-1-2 10:45     Judgement_Engineer

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