Re: effective user id

From: Hubble (reiner_at_huober.de)
Date: 11/28/05

  • Next message: Gerry S.: "Re: effective user id" 
    Date: 28 Nov 2005 04:30:10 -0800

    Note from the manual page of bash(1):

     If the shell is started with the effective user (group)
     id not equal to the real user (group) id, and the -p
     option is not supplied, these actions are taken ***and the
     effective user id is set to the real user id***.

    Since system(1) invokes a shell, in most cases bash on linux
    systems, it will reset euid to user1before executing "ls -l". You
    must use setuid(geteuid()) before calling system(3).

    Hubble.

  • Next message: Gerry S.: "Re: effective user id"

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