#!/usr/bin/perl -w
#----------------------------------------------------------------------
# copyright (C) 1999-2005 Mitel Networks Corporation
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# 		
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 		
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
#----------------------------------------------------------------------
package esmith;

use strict;
use Errno;
use esmith::AccountsDB;
use esmith::ConfigDB;
use Net::LDAP;
use esmith::util;

my $conf = esmith::ConfigDB->open or die "Could not open configuration db";

my $ldapauth = $conf->get('ldap')->prop('Authentication') || 'disabled';
my $x = 0; # exit value

my $domain = $conf->get('DomainName')
    || die("Couldn't determine domain name");
$domain = $domain->value;

# prepare LDAP bind
my $pw = esmith::util::LdapPassword();
my $base = esmith::util::ldapBase ($domain);

my $ldap = Net::LDAP->new('localhost')
    or die "$@";

$ldap->bind(
    dn => "cn=root,$base",
    password => $pw
);

my $event = $ARGV [0];
my $userName = $ARGV [1];

#------------------------------------------------------------
# Check the Unix account
#------------------------------------------------------------


my $a = esmith::AccountsDB->open or die "Could not open accounts db";

my @users;
if ($event eq 'bootstrap-ldap-save')
{
    @users = $a->users;
}
else
{
    die "Username argument missing." unless defined ($userName);
    my $u = $a->get($userName) or die "No account db record found for user $userName";
    @users = ($u);
}
foreach my $u (@users)
{
    my $type = $u->prop('type');
    my $userName = $u->key;

    die "Account $userName is not a user account; modify user failed.\n"
	unless ( ($userName eq 'admin') or ($type eq 'user') );

    setpwent;
    my ($comment, $shell) = (getpwnam($userName))[6,8];
    endpwent;
    my $new_shell = $u->prop('Shell')
		|| (($shell eq "/bin/sshell") ? "/usr/bin/false" : $shell);

    $u->set_prop('Shell', $new_shell) unless (not defined $u->prop('Shell') && $new_shell eq "/usr/bin/false" ) ;

    my $result;
    #------------------------------------------------------------
    # Modify user's shell, if required, in /etc/passwd using "usermod"
    #------------------------------------------------------------
    unless ($shell eq $new_shell)
    {
        if ($ldapauth ne 'enabled')
        {
            system("/usr/sbin/usermod", '-s', "$new_shell", $userName) == 0
                or ( $x = 255, warn "Failed to modify shell of (unix) account $userName.\n" );
        }

        my @new_shell = ($new_shell);
        $result = $ldap->modify("uid=$userName,ou=Users,$base",
                      replace => {
                          loginShell => \@new_shell
                      }
        );
        $result->code && ( $x = $ldapauth ne 'enabled' ? $x : 255, warn "Failed to modify shell of (ldap) account $userName.\n" );
    }

    #------------------------------------------------------------
    # Modify user's first name and last name if required,
    # in /etc/passwd using "usermod"
    #------------------------------------------------------------
    my $first = $u->prop('FirstName') || "";
    my $last = $u->prop('LastName') || "";
    my $new_comment = "$first $last";

    unless ($comment eq $new_comment)
    {
        if ($ldapauth ne 'enabled')
        {
            system("/usr/sbin/usermod", "-c", "$first $last", $userName) == 0
                or ( $x = 255, warn "Failed to modify comment of (unix) account $userName.\n" );
        }

        my @new_comment = ($new_comment);
        my @first = ($first);
        my @last = ($last);
        $result = $ldap->modify("uid=$userName,ou=Users,$base",
                      replace => {
                          givenName => \@first,
                          sn => \@last,
                          cn => \@new_comment,
                          displayName => \@new_comment
                      }
        );
        $result->code && ( $x = $ldapauth ne 'enabled' ? $x : 255, warn "Failed to modify comment/name of (ldap) account $userName.\n" );
    }

    my @new_phone = ($u->prop('Phone')) || ();
    my @new_company = ($u->prop('Company')) || ();
    my @new_dept = ($u->prop('Dept')) || ();
    my @new_city = ($u->prop('City')) || ();
    my @new_street = ($u->prop('Street')) || ();
    $result = $ldap->modify("uid=$userName,ou=Users,$base",
                            replace => {
                                telephoneNumber => \@new_phone,
                                o => \@new_company,
                                ou => \@new_dept,
                                l => \@new_city,
                                street => \@new_street
                            }
    );
    $result->code && ( $x = $ldapauth ne 'enabled' ? $x : 255, warn "Failed to modify email of (ldap) account $userName.\n" );

}

$ldap->unbind;
exit ($x);