10-23-2015
Hi Robin,
This is to be executed as a cron job on a daily basis. Can consider shell/awk/perl scripts as well. My thoughts have been to find the difference between the /etc/passwd file and come up with the additions/deletions. I have not tried any scripting in this regard.
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LEARN ABOUT CENTOS
fascistcheck
FascistCheck(3) Debian GNU/Linux manual FascistCheck(3)
NAME
FascistCheck - a pro-active password checker library
SYNOPSIS
#include <crack.h>
static char const CRACKLIB_DICTPATH[] = ...;
extern char const *
FascistCheck(char const passwd[], char const dictpath[]);
DESCRIPTION
cracklib is a library containing the FascistCheck C function which may be used in a "passwd" like program. The idea is simple: try to pre-
vent users from choosing passwords that could be guessed by "crack" by filtering them out, at source. cracklib is an offshoot of the the
version 5 of the "crack" software and contains a considerable number of ideas nicked from the new software.
The first formal argument password is the potential password. The second formal argument dictpath is the full path name + filename prefix
of the cracklib dictionary database. FascistCheck returns the NULL pointer for a good password, or a pointer to a diagnostic string if it
is a weak password.
The database is in a binary format generated by the utilities crack_mkdict(8) and crack_packer(8). On a Debian system the database is
located in the directory defined by the static constant CRACKLIB_DICTPATH and is set to /var/cache/cracklib/cracklib_dict. None of the
subroutines in the cracklib libraries have this location hard-coded into their implementations. It is generated daily with the program
/etc/cron.daily/cracklib.
FILES
/var/cache/cracklib/cracklib_dict.[hwm|pwd|pwi]
cracklib dictionary database files used by utilities.
/etc/cron.daily/cracklib
cracklib daily cron program to rebuild the cracklib dictionary database.
/etc/cracklib/cracklib.conf
cracklib configuration file used by the cracklib daily cron program to rebuild the cracklib dictionary database.
/usr/sbin/crack_mkdict
cracklib shell script to create initial list of words for dictionary database.
/usr/share/doc/cracklib2-dev/examples
Example cc(1) source files that show how FascistCheck is used.
SEE ALSO
crack_teststr(8), crack_mkdict(8), update-cracklib(8)
/usr/share/doc/cracklib2-dev/examples
/usr/share/doc/cracklib2/cracklib2.html
/usr/share/doc/cracklib2-dev/cracklib2-dev.html
AUTHOR
cracklib2 is written by Alec Muffett <alecm@crypto.dircon.co.uk>. Manual added by Jean Pierre LeJacq <jplejacq@quoininc.com>.
2.7-8.5 Wed, 3 Oct 2001 01:37:09 +0100 FascistCheck(3)