11-09-2011
Hi guys.
Thanks to both of you.
@corona688 The system is a CentOS.
[cesare@grmdcis06 tmp]$ uname -a
Linux grmdcis06.netikos.com 2.6.9-78.ELsmp #1 SMP Fri Jul 25 00:04:28 EDT 2008 i686 i686 i386 GNU/Linux
@jim
I had read that part; sorry, but I still can't understand.
Why do you say it is expected behavior. The exec'd file (the B) has no set-user-id-flag set. The effective user id shouldn't be affected at all. Am I missing something? :?
Thanks
\c
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LEARN ABOUT DEBIAN
falselogin
FALSELOGIN(1) General Commands Manual FALSELOGIN(1)
NAME
falselogin - a false login shell
SYNOPSIS
/usr/bin/falselogin
DESCRIPTION
falselogin is a small application which can deny the user to log in the system displaying a custom message.
CONFIGURATION
The configuration file for falselogin is /etc/falselogin.conf. Everything you write into this file will be written at login except for some
special strings which will be substituted when they appear in the configuration file. They are:
%mail% string
Number of mail messages in the user's mailbox.
%user% string
Username.
%sysname% string
Sysname from uname. (eg: Linux)
%nodename%, %host% strings
The hostname. (eg: master)
%release% string
Linux kernel version number (eg: 2.0.36)
%version% string
Linux version number (eg: #8 Sun Dec 20 12:02:31 CET 1998)
%machine% string
Machine type (eg: i686)
%debian_version% string
Debian version from /etc/debian_version
PARAMETERS
--wait, -w waitfor
If waitfor is a number, falselogin will sleep waitfor seconds before exiting; if waitfor matches the word 'enter' then falselogin
will wait for the user to input the 'enter' key
AUTHOR
This manual page was written by Tibor Koleszar <t.koleszar@somogy.hu>, for the Debian GNU/Linux system.
FALSELOGIN(1)