11-08-2011
adding second password to preference or an app
Hi
I am new to forum and glad I found this place.
I have been searching for a way to add a secondary password to a preference pane such as date/time in Unix (Ox10.4.11) or to lock an application which I found a backdoor for access when password is not available. An app I use is a internet filter that allows a temporary password to be accessed for a particular calendar date. In lieu of the originator fixing the bug I found, I would rather just add a second password somehow over and above the administrator one it uses so as to prevent access being made by temporarily changing computer date and being abl to get into control panel of the app.
In unix is it possible to add another password say with a short terminal script that would then make it impossible to get into date and time panel w/o it?? I know this sounds funny but I'm also the administrator. It becomes really difficult if I either "lose" admin password to computer, or if I add another account and make it the administrator and don't have acceses. Unfortunately I have no one that can do administration for me and losing administration causes headaches and aggravating problems trying to do everyday maintenance. Thanks
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LEARN ABOUT SUNOS
lckpwdf
lckpwdf(3C) Standard C Library Functions lckpwdf(3C)
NAME
lckpwdf, ulckpwdf - manipulate shadow password database lock file
SYNOPSIS
#include <shadow.h>
int lckpwdf(void);
int ulckpwdf(void);
DESCRIPTION
The lckpwdf() and ulckpwdf() functions enable modification access to the password databases through the lock file. A process first uses
lckpwdf() to lock the lock file, thereby gaining exclusive rights to modify the /etc/passwd or /etc/shadow password database. See
passwd(4) and shadow(4). Upon completing modifications, a process should release the lock on the lock file using ulckpwdf(). This mechanism
prevents simultaneous modification of the password databases. The lock file, /etc/.pwd.lock, is used to coordinate modification access to
the password databases /etc/passwd and /etc/shadow.
RETURN VALUES
If lckpwdf() is successful in locking the file within 15 seconds, it returns 0. If unsuccessful (for example, /etc/.pwd.lock is already
locked), it returns -1.
If ulckpwdf() is successful in unlocking the file /etc/.pwd.lock, it returns 0. If unsuccessful (for example, /etc/.pwd.lock is already
unlocked), it returns -1.
USAGE
These routines are for internal use only; compatibility is not guaranteed.
FILES
/etc/passwd password database
/etc/shadow shadow password database
/etc/.pwd.lock lock file
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|MT-Level |MT-Safe |
+-----------------------------+-----------------------------+
SEE ALSO
getpwnam(3C), getspnam(3C), passwd(4), shadow(4), attributes(5)
SunOS 5.10 29 Dec 1996 lckpwdf(3C)