#!/usr/bin/perl -w
#
# Copyright (c) 2001 Sean P. Scanlon <sps xxATxx bluedot.net>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
###########################################
use strict;

use constant NIUTIL => '/usr/bin/niutil';

my ($nofiles_gid, $qmail_gid);

my %users = (
    'alias'  => [ 'nofiles', '/var/qmail/alias' ],
    'qmaild' => [ 'nofiles', '/var/qmail' ],
    'qmaill' => [ 'nofiles', '/var/qmail' ],
    'qmailp' => [ 'nofiles', '/var/qmail' ],
    'qmailr' => [ 'qmail', '/var/qmail' ],
    'qmailq' => [ 'qmail', '/var/qmail' ],
    'qmails' => [ 'qmail', '/var/qmail' ]
    );

$nofiles_gid = getNextAvailGID();
print "Creating group nofiles with GID: $nofiles_gid\n";
system( sprintf("%s -create / /groups/nofiles", NIUTIL) );
system( sprintf("%s -createprop / /groups/nofiles gid %d", NIUTIL, $nofiles_gid) );

$qmail_gid =  getNextAvailGID();
print "Creating group qmail with GID: $qmail_gid\n";
system( sprintf("%s -create / /groups/qmail", NIUTIL) );
system( sprintf("%s -createprop / /groups/qmail gid %d", NIUTIL, $qmail_gid) );

my %groups = ( 
	       'nofiles'	=> $nofiles_gid,
	       'qmail'		=>  $qmail_gid,
	       );

foreach my $user (sort keys %users ) {
    print "Creating user: $user\n";
    system( sprintf("%s -create / /users/%s", NIUTIL, $user) );
    system( sprintf("%s -createprop / /users/%s uid %d", NIUTIL, $user, getNextAvailUID() ) );
    system( sprintf("%s -createprop / /users/%s gid %d", NIUTIL, $user, 
		    $groups{ $users{$user}->[0] }));
    system( sprintf("%s -createprop / /users/%s home %s", NIUTIL, $user,
		    $users{$user}->[1]));
    system( sprintf("%s -createprop / /users/%s shell /nonexistent", NIUTIL, $user) );
    system( sprintf("%s -createprop / /users/%s passwd NONE", NIUTIL, $user) );
    system( sprintf("%s -createprop / /users/%s realname '%s mail user'", 
		    NIUTIL, $user, $user) );
}

sub getNextAvailUID {
    my $uid = `/usr/bin/nireport . /users uid | sort -n | tail -1`;
    chomp($uid);
    return $uid + 1 if $uid =~ /^[0-9]+/;
}

sub getNextAvailGID {
    my $gid = `/usr/bin/nireport . /groups gid | sort -n | tail -1`;
    chomp($gid);
    return $gid + 1;
}