File Coverage

blib/lib/Authen/Simple/NIS.pm

Criterion	Covered	Total	%
statement	18	38	47.3
branch	0	18	0.0
condition	0	3	0.0
subroutine	6	7	85.7
pod	1	1	100.0
total	25	67	37.3

package Authen::Simple::NIS;

use strict;
use warnings;
use base 'Authen::Simple::Adapter';

use Net::NIS         qw[YPERR_KEY YPERR_SUCCESS];
use Net::NIS::Table  qw[];
use Params::Validate qw[];

our $VERSION = 0.3;

__PACKAGE__->options({
    domain => {
        type     => Params::Validate::SCALAR,
        optional => 1
    },
    map => {
        type     => Params::Validate::SCALAR,
        default  => 'passwd.byname',
        optional => 1
    }
});

sub check {
    my ( $self, $username, $password ) = @_;

    my $domain = $self->domain;

    unless ( $domain ||= Net::NIS::yp_get_default_domain() ) {

        $self->log->error( qq/Failed to obtain default NIS domain./ )
          if $self->log;

        return 0;
    }

    my $nis   = Net::NIS::Table->new( $self->map, $domain );
    my $entry = $nis->match($username);

    unless ( $nis->status == YPERR_SUCCESS ) {

        my $map = $self->map;

        if ( $nis->status == YPERR_KEY ) {

            $self->log->debug( qq/User '$username' was not found in map '$map' from domain '$domain'./ )
              if $self->log;
        }
        else {

            my $error = Net::NIS::yperr_string( $nis->status );

            $self->log->error( qq/Failed to lookup key '$username' in map '$map' from domain '$domain'. Reason: '$error'/ )
              if $self->log;
        }

        return 0;
    }

    my $encrypted = ( split( /:/, $entry ) )[1];

    unless ( $self->check_password( $password, $encrypted ) ) {

        $self->log->debug( qq/Failed to authenticate user '$username'. Reason: 'Invalid credentials'/ )
          if $self->log;

        return 0;
    }

    $self->log->debug( qq/Successfully authenticated user '$username' using domain '$domain'./ )
      if $self->log;

    return 1;
}

1;

__END__