NAME

Mail::PopPwd - Perl 5 module to talk to a poppasswd daemon

SYNOPSIS

  use Mail::PopPwd;

  my $poppwd = Mail::PopPwd->new(
                        HOST   => "localhost",
                        USER   => "hdias",
                        OLDPWD => "********",
                        NEWPWD => "********");
  my $error = $poppwd->change();

  # set hash values

  $poppwd->{HOST} = "localhost";
  $poppwd->{USER} = "hdias";
  $poppwd->{OLDPWD} = "********";
  $poppwd->{NEWPWD} = "********";

DESCRIPTION

This module implements an Object-Oriented interface to a poppassd daemon. It can be used to write perl-based clients to change users password (you can use this for change passwords via www clients).

CONSTRUCTORS

   Mail::POP3Client->new(
                HOST    => "local",
                PORT    => 106,
                USER    => "",
                OLDPWD  => "",
                NEWPWD  => "",
                TIMEOUT => 0,
   );

• HOST is the poppassd daemon server name or IP address (default='localhost')

• PORT is the poppassd daemon server port (default=106)

• TIMEOUT set a timeout value for socket operations (default=0)

• USER is the userID of the account on the poppassd daemon server

• NAME is the name of the userID (for matching against the new password)

• STOREDPWD is the cleartext stored password for the userID (if you use a database to store passwords)

• OLDPWD is the cleartext old password for the userID

• NEWPWD is the cleartext new password for the userID

• CONFPWD is the cleartext confirmation password for the userID

• NMIN is the minimum number of characters of password (default=6)

• NMAX is the maximum number of characters of password (default=12)

• NDIFCHARS is the number of differents characters in password (default=4)

• NSEQWORD is the number of similar characters in NEWPWD and OLDPWD, USER or NAME

• CRACKLIB is the location of your pw_dict file for use with cracklib module

METHODS

These commands are intended to make writing a poppassd client easier.

new()

Construct a new connection with this. You should give it at least 4 arguments; HOST, USER, OLDPWD and NEWPWD. All others arguments are optional. All passwords are send in clear text.

checkpwd()

Check password against given paramenters; STOREDPWD, NMIN, NMAX, NDIFCHARS, NSEQWORD and CRACKLIB if you set the path to the dictionary (check the password for their appearance in dictfile). Return a error code if the passwords are invalid.

change()

Connect to poppasswd daemon and change the old password to the new password. Return a error if the connection fail.

ERROR CODES

551

USER empty

552

OLDPWD empty

553

NEWPWD empty

554

CONFPWD empty

555

length of NEWPWD lesser then NMIN

556

length of NEWPWD greater then NMAX

557

STOREDPWD and OLDPWD do not match

558

CONFPWD and NEWPWD do not match

559

The NEWPWD must have NDIFCHARS or more different characters.

560

The NEWPWD and OLDPWD is similar

561

The NEWPWD and USER is similar

562

The NEWPWD and NAME is similar

563

BAD PASSWORD: it is based on a dictionary word or to easy

AUTHOR

Henrique Dias <hdias@aesbuc.pt>

CREDITS

Based on poppassd by Pawel Krawczyk <kravietz@ceti.com.pl>, http://www.ceti.com.pl/~kravietz/prog.html

and

change-pass.cgi by mp@atlantic.net

Thanks to Anita Afonso for the revision.

SEE ALSO

perl(1).