11-15-2005
Ya thats fine, but where I am in the trouble is...
let the current user is not root.
so I prompt an input dialog box( in Qt password mode ).
if user enters a wrong password it must exit.
else the program would proceed.
but what the problem is :
1. How will I validate root's password.
2. If password found valid how will I change user only for current program and after exiting this program user should automatically come in its previous state.
( Something like when you click 'Add/Remove Applications' in 'Systems Settings' in RedHat 9 as a normal user it prompts for root password and after finishing the task you came in your previous state )
thanks
sumsin
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LEARN ABOUT SUSE
unix2_chkpwd
UNIX2_CHKPWD(8) Linux-PAM Manual UNIX2_CHKPWD(8)
NAME
unix2_chkpwd - helper binary that verifies the password of the current user
SYNOPSIS
/sbin/unix2_chkpwd servicename username
DESCRIPTION
unix2_chkpwd is a helper program for applications that verifies the password of the current user. It is not intended to be run directly
from the command line and logs a security violation if done so.
It is typically installed setuid root or setgid shadow and called by applications, which only wishes to do an user authentification and
nothing more.
OPTIONS
unix2_pwdchk requires the following arguments:
pam_service
The name of the service using unix2_chkpwd. This is required to be one of the services in /etc/pam.d
username
The name of the user whose password you want to verify.
INPUTS
unix2_pwdchk expects the password via stdin.
RETURN CODES
unix2_chkpwd has the following return codes:
1 unix2_chkpwd was inappropriately called from the command line or the password is incorrect.
0 The password is correct.
HISTORY
Written by Olaf Kirch loosely based on unix_chkpwd by Andrew Morgan
SEE ALSO
pam(8)
AUTHOR
Emily Ratliff.
Linux-PAM 0.76 2003-03-21 UNIX2_CHKPWD(8)