#!/usr/bin/perl -w

#  This code was developped by Jerome Tournier (jtournier@gmail.com) and
#  contributors (their names can be found in the CONTRIBUTORS file).

#  This was first contributed by IDEALX (http://www.opentrust.com/)

#  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.

# Purpose of smbldap-usermod : user (posix,shadow,samba) modification

use strict;
use FindBin;
use FindBin qw($RealBin);
use lib "$RealBin/";
use smbldap_tools;
use Time::Local;
#####################

use Getopt::Std;
use Getopt::Long;
my %Options;
my $nscd_status;


Getopt::Long::Configure('bundling');
my $ok=GetOptions
        (
	 "A|sambaPwdCanChange=s"  => \$Options{A},
	 "B|sambaPwdMustChange=s" => \$Options{B},
	 "C|sambaHomePath=s"      => \$Options{C},
	 "D|sambaHomeDrive=s"     => \$Options{D},
	 "E|sambaLogonScript=s"   => \$Options{E},
	 "F|sambaProfilePath=s"   => \$Options{F},
	 "G|group=s"              => \$Options{G},
	 "H|sambaAcctFlags=s"     => \$Options{H},
	 "I|sambaDisable"         => \$Options{I},
	 "J|sambaEnable"          => \$Options{J},
	 "L|shadowLock"           => \$Options{L},
	 "M|mailAddresses=s"      => \$Options{M},
	 "N|givenName=s"               => \$Options{N},
	 "P=s"                    => \$Options{P},
	 "U|shadowUnlock"         => \$Options{U},
	 "S|surname=s"            => \$Options{S},
	 "T|mailToAddress=s"      => \$Options{T},
	 "a|addsambaSAMAccount"   => \$Options{a},
	 "c|gecos=s"              => \$Options{c},
	 "d|homedir=s"            => \$Options{d},
	 "e|sambaExpire=s"        => \$Options{e},
	 "g|gid=s"                => \$Options{g},
	 "h|help"                 => \$Options{h},
	 "o|canBeNotUnique"       => \$Options{o},
	 "r|rename=s"             => \$Options{r},
	 "s|shell=s"              => \$Options{s},
	 "shadowExpire=s"         => \$Options{shadowExpire},
	 "shadowMax=s"            => \$Options{shadowMax},
	 "shadowMin=s"            => \$Options{shadowMin},
	 "shadowInactive=s"       => \$Options{shadowInactive},
	 "shadowWarning=s"        => \$Options{shadowWarning},
	 "u|uid=s"                => \$Options{u}
	 );

#my $ok = getopts('A:B:C:D:E:F:H:IJM:N:S:PT:ame:f:u:g:G:d:l:r:s:c:ok:?h', \%Options);

if ( (!$ok) || (@ARGV < 1) || ($Options{'h'}) ) {
    print_banner;
    print "Usage: $0 [options] username\n\n";

    print "Available UNIX options are:\n";
    print "  -c|--gecos <gecos>           gecos\n";
    print "  -d|--homedir <dir>           home directory\n";
    print "  -r|--rename <username>       username (cn, sn and dn are updated)\n";
    print "  -u|--uid <uidNumber>         uid\n";
    print "  -o|--canBeNotUnique          uid can be non unique\n";
    print "  -g|--gid <gidNumber          gid\n";
    print "  -G|--group <grp1,...>        supplementary groups (comma separated)\n";
    print "  -s|--shell <shell>           shell\n";
    print "  -N|--givenName <name>        canonical name\n";
    print "  -S|--surname <suname>        surname (family name)\n";
    print "  -P                           ends by invoking smbldap-passwd\n";
    print "  -M|--mailAddresses <mail,>   mailAddresses (comma seperated)\n";
    print "  -T|--mailToAddress <mail,>   mailToAddress (forward address) (comma seperated)\n";
    print "  --shadowExpire <date>        Shadow expiration date(like \"YYYY-MM-DD\")\n";
    print "  --shadowMax <n>              User must change the password, at least, every 'n' days\n";
    print "  --shadowMin <n>              user must wait 'n' days once the password has changed before changing it again\n";
    print "  --shadowInactive <n>         number of days of inactivity allowed for the specified user\n";
    print "  --shadowWarning <n>          User is warned that the password must be changed four days before the password expires\n";
    print "  -L|--shadowLock              lock unix user's password\n";
    print "  -U|--shadowUnlock            unlock unix user's password\n";
    print "\n";
    print "Available SAMBA options are:\n";
    print "  -a|--addsambaSAMAccount        add sambaSAMAccount objectclass\n";
    print "  -e|--sambaExpire <date>        expire date (\"YYYY-MM-DD\")\n";
    print "  -A|--sambaPwdCanChange         can change password ? 0 if no, 1 if yes\n";
    print "  -B|--sambaPwdMustChange        must change password ? 0 if no, 1 if yes\n";
    print "  -C|--sambaHomePath <dir>       sambaHomePath (SMB home share, like '\\\\PDC-SRV\\homes')\n";
    print "  -D|--sambaHomeDrive <drive>    sambaHomeDrive (letter associated with home share, like 'H:')\n";
    print "  -E|--sambaLogonScript <script> sambaLogonScript (DOS script to execute on login)\n";
    print "  -F|--sambaProfilePath <path>   sambaProfilePath (profile directory, like '\\\\PDC-SRV\\profiles\\foo')\n";
    print "  -H|--sambaAcctFlags <flags>    sambaAcctFlags (samba account control bits like '[NDHTUMWSLKI]')\n";
    print "  -I|--sambaDisable              disable an user. Can't be used with -H or -J\n";
    print "  -J|--sambaEnable               enable an user. Can't be used with -H or -I\n";
    print "  -h|help                        show this help message\n";
    exit (1);
}

if ($< != 0) {
    print "You must be root to modify an user\n";
    exit (1);
}
# Read only first @ARGV
my $user = $ARGV[0];

# Let's connect to the directory first
my $ldap_master=connect_ldap_master();

# Read user data
my $user_entry = read_user_entry($user);
if (!defined($user_entry)) {
    print "$0: user $user doesn't exist\n";
    exit (1);
}

my $samba = 0;
if (grep ($_ =~ /^sambaSamAccount$/i, $user_entry->get_value('objectClass'))) {
    $samba = 1;
}

# get the dn of the user
my $dn= $user_entry->dn();

my $tmp;
my @mods;
my @dels;
if (defined($tmp = $Options{'a'})) {
    # Let's connect to the directory first
    my $winmagic = 2147483647;
    my $valpwdcanchange = 0;
    my $valpwdmustchange = $winmagic;
    my $valpwdlastset = 0; 
    my $valacctflags = "[UX]";
    my $user_entry=read_user_entry($user);
    my $uidNumber = $user_entry->get_value('uidNumber');
    my $userRid = 2 * $uidNumber + 1000;
    # apply changes
    my $modify = $ldap_master->modify ( "$dn",
					changes => [
						    add => [objectClass => 'sambaSAMAccount'],
						    add => [sambaPwdLastSet => "$valpwdlastset"],
						    add => [sambaLogonTime => '0'],
						    add => [sambaLogoffTime => '2147483647'],
						    add => [sambaKickoffTime => '2147483647'],
						    add => [sambaPwdCanChange => "$valpwdcanchange"],
						    add => [sambaPwdMustChange => "$valpwdmustchange"],
						    add => [displayName => "$config{userGecos}"],
						    add => [sambaSID=> "$config{SID}-$userRid"],
						    add => [sambaAcctFlags => "$valacctflags"],
						    ]
					);
    $modify->code && warn "failed to modify entry: ", $modify->error ;
}

# Process options
my $changed_uid;
my $_userUidNumber;
my $_userRid;

if (defined($tmp = $Options{'u'})) {
    if (!defined($Options{'o'})) {
	$nscd_status = system "/etc/init.d/nscd status >/dev/null 2>&1";
	if ($nscd_status == 0) {
	    system "/etc/init.d/nscd stop > /dev/null 2>&1";
	}

	if (getpwuid($tmp)) {
	    if ($nscd_status == 0) {
		system "/etc/init.d/nscd start > /dev/null 2>&1";
	    }

	    print "$0: uid number $tmp exists\n";
	    exit (6);
	}
	if ($nscd_status == 0) {
	    system "/etc/init.d/nscd start > /dev/null 2>&1";
	}
    }

    push(@mods, 'uidNumber', $tmp);
    $_userUidNumber = $tmp;
    if ($samba) {
	# as rid we use 2 * uid + 1000
	my $_userRid = 2 * $_userUidNumber + 1000;
	if (defined($Options{'x'})) {
	    $_userRid= sprint("%x", $_userRid);
	}
	push(@mods, 'sambaSID', $config{SID}.'-'.$_userRid);
    }
    $changed_uid = 1;
}

my $changed_gid;
my $_userGidNumber;
my $_userGroupSID;
if (defined($tmp = $Options{'g'})) {
    $_userGidNumber = parse_group($tmp);
    if ($_userGidNumber < 0) {
	print "$0: group $tmp doesn't exist\n";
	exit (6);
    }
    push(@mods, 'gidNumber', $_userGidNumber);
    if ($samba) {
	# as grouprid we use the sambaSID attribute's value of the group
	my $group_entry = read_group_entry_gid($_userGidNumber);
	my $_userGroupSID = $group_entry->get_value('sambaSID');
	unless ($_userGroupSID) {
	    print "Error: sambaPrimaryGroupSid could not be set (sambaSID for group $_userGidNumber does not exist\n";
	    exit (7);
	}
	push(@mods, 'sambaPrimaryGroupSid', $_userGroupSID);
    }
    $changed_gid = 1;
}

if (defined($tmp = $Options{'s'})) {
    push(@mods, 'loginShell' => $tmp);
}


if (defined($tmp = $Options{'c'})) {
    push(@mods, 'gecos' => $tmp,
	 'description' => $tmp);
    if ($samba == 1) {
	push(@mods, 'displayName' => $tmp);
    }
}

if (defined($tmp = $Options{'d'})) {
    push(@mods, 'homeDirectory' => $tmp);
}

# RFC 2256
# sn: family name (option S)   # RFC: family name of a person.
# givenName: prenom (option N) # RFC: part of a person's name which is not their surname nor middle name.
# cn: person's full name       # RFC: person's full name.
if (defined($tmp = $Options{'N'})) {
    push(@mods, 'givenName' => utf8Encode($tmp));
}

if (defined($tmp = $Options{'S'})) {
    push(@mods, 'sn' => utf8Encode($tmp));
}

my $cn;
if ($Options{'N'} or $Options{'S'}) {
    $Options{'N'}=$user_entry->get_value('givenName') unless $Options{'N'};
    $Options{'S'}=$user_entry->get_value('sn') unless $Options{'S'};
    $cn="$Options{'N'}"." "."$Options{'S'}";
}
push(@mods, 'cn' => utf8Encode($cn));

# Shadow password parameters
my $localtime=time()/86400;
if (defined $Options{'shadowExpire'}) {
    # Unix expiration password
    my $tmp = $Options{'shadowExpire'};
    chomp($tmp);
#    my $expire=`date --date='$tmp' +%s`;
#    chomp($expire);
#    my $shadowExpire=int($expire/86400)+1;
    # date syntax asked: YYYY-MM-DD
    $tmp=~/(\d\d\d\d)-(\d\d)-(\d\d)/;
    my $localtime=timelocal(0,0,2,$3,$2-1,$1);
    my $shadowExpire=int($localtime/86400);
    $shadowExpire=sprintf("%d",$shadowExpire);
    push(@mods,'shadowExpire',$shadowExpire);
}

if (defined $Options{'shadowWarning'}) {
    push(@mods,'shadowWarning',$Options{shadowWarning});
}

if (defined $Options{'shadowMax'}) {
    push(@mods,'shadowMax',$Options{shadowMax});
}

if (defined $Options{'shadowMin'}) {
    push(@mods,'shadowMin',$Options{shadowMin});
}

if (defined $Options{'shadowInactive'}) {
    push(@mods,'shadowInactive',$Options{shadowInactive});
}

if (defined $Options{'L'} ) {
    # lock shadow account
    $tmp = $user_entry->get_value('userPassword');
    if ( !($tmp =~ /!/) ) {
	$tmp =~ s/}/}!/;
    }
    push(@mods, 'userPassword' => $tmp);
}


if ( defined $Options{'U'} ) {
    # unlock shadow account
    $tmp = $user_entry->get_value('userPassword');
    if ( $tmp =~ /!/ ) {
        $tmp =~ s/}!/}/;
    }
    push(@mods, 'userPassword' => $tmp);
}

my $mailobj = 0;
if ($tmp= $Options{'M'}) {
    # action si + or - for adding or deleting an entry
    my $action= '';
    if ($tmp =~ s/^([+-])+\s*//) {
	$action= $1;
    }
    my @userMailLocal = &split_arg_comma($tmp);
    my @mail;
    foreach my $m (@userMailLocal) {
	my $domain = $config{mailDomain};
	if ($m =~ /^(.+)@/) {
	    push (@mail, $m);
	    # mailLocalAddress contains only the first part
	    $m= $1;
	} else {
	    push(@mail, $m.($domain ? '@'.$domain : ''));
	}
    }
    if ($action) {
	my @old_MailLocal;
	my @old_mail;
	@old_mail = $user_entry->get_value('mail');
	@old_MailLocal = $user_entry->get_value('mailLocalAddress');
	if ($action eq '+') {
	    @userMailLocal = &list_union(\@old_MailLocal, \@userMailLocal);
	    @mail = &list_union(\@old_mail, \@mail);
	} elsif ($action eq '-') {
	    @userMailLocal = &list_minus(\@old_MailLocal, \@userMailLocal);
	    @mail = &list_minus(\@old_mail, \@mail);
	}
    }
    push(@mods, 'mailLocalAddress', [ @userMailLocal ]);
    push(@mods, 'mail' => [ @mail ]);
    $mailobj = 1;
}

if ($tmp= $Options{'T'}) {
    my $action= '';
    my @old;
    # action si + or - for adding or deleting an entry
    if ($tmp =~ s/^([+-])+\s*//) {
	$action= $1;
    }
    my @userMailTo = &split_arg_comma($tmp);
    if ($action) {
	@old = $user_entry->get_value('mailRoutingAddress');
    }
    if ($action eq '+') {
	@userMailTo = &list_union(\@old, \@userMailTo);
    } elsif ($action eq '-') {
	@userMailTo = &list_minus(\@old, \@userMailTo);
    }
    push(@mods, 'mailRoutingAddress', [ @userMailTo ]);
    $mailobj = 1;
}
if ($mailobj) {
    my @objectclass = $user_entry->get_value('objectClass');
    if (! grep ($_ =~ /^inetLocalMailRecipient$/i, @objectclass)) {
	push(@mods, 'objectClass' => [ @objectclass, 'inetLocalMailRecipient' ]);
    }
}


if (defined($tmp = $Options{'G'})) {
    my $action= '';
    if ($tmp =~ s/^([+-])+\s*//) {
	$action= $1;
    }
    if ($action eq '-') {
	# remove user from specified groups
	foreach my $gname (&split_arg_comma($tmp)) {
	    group_remove_member($gname, $user);
	}
    } else {
	if ($action ne '+') {
	    my @old = &find_groups_of($user);
	    # remove user from old groups
	    foreach my $gname (@old) {
		if ($gname ne "") {
		    group_remove_member($gname, $user);
		}
	    }
	}
	# add user to new groups
	add_grouplist_user($tmp, $user);
    }
}

#
# A : sambaPwdCanChange
# B : sambaPwdMustChange
# C : sambaHomePath
# D : sambaHomeDrive
# E : sambaLogonScript
# F : sambaProfilePath
# H : sambaAcctFlags

my $attr;
my $winmagic = 2147483647;

$samba = is_samba_user($user);

if (defined($tmp = $Options{'e'})) {
    if ($samba == 1) {
	my $kickoffTime=`date --date='$tmp' +%s`;
	chomp($kickoffTime);
	push(@mods, 'sambakickoffTime' => $kickoffTime);
    } else {
	print "User $user is not a samba user\n";
    }
}

my $_sambaPwdCanChange;
if (defined($tmp = $Options{'A'})) {
    if ($samba == 1) {
	$attr = "sambaPwdCanChange";
	if ($tmp != 0) {
	    $_sambaPwdCanChange=0;
	} else {
	    $_sambaPwdCanChange=$winmagic;
	}
	push(@mods, 'sambaPwdCanChange' => $_sambaPwdCanChange);
    } else {
	print "User $user is not a samba user\n";
    }
}

my $_sambaPwdMustChange;
if (defined($tmp = $Options{'B'})) {
    if ($samba == 1) {
	if ($tmp != 0) {
	    $_sambaPwdMustChange=0;
	    # To force a user to change his password:
	    # . the attribut sambaPwdLastSet must be != 0
	    # . the attribut sambaAcctFlags must not match the 'X' flag
	    my $_sambaAcctFlags;
	    my $flags = $user_entry->get_value('sambaAcctFlags');
	    if ( defined $flags and $flags =~ /X/ ) {
		my $letters;
		if ($flags =~ /(\w+)/) {
		    $letters = $1;
		}
		$letters =~ s/X//;
		$_sambaAcctFlags="\[$letters\]";
		push(@mods, 'sambaAcctFlags' => $_sambaAcctFlags);
	    }
	    my $_sambaPwdLastSet = $user_entry->get_value('sambaPwdLastSet');
	    if ($_sambaPwdLastSet == 0) {
		push(@mods, 'sambaPwdLastSet' => $winmagic);
	    }
	} else {
	    $_sambaPwdMustChange=$winmagic;
	}
	push(@mods, 'sambaPwdMustChange' => $_sambaPwdMustChange);
    } else {
	print "User $user is not a samba user\n";
    }
}

if (defined($tmp = $Options{'C'})) {
    if ($samba == 1) {
	if ($tmp eq "" and defined $user_entry->get_value('sambaHomePath')) {
	    push(@dels, 'sambaHomePath' => []);
	} elsif ($tmp ne "") {
	    push(@mods, 'sambaHomePath' => $tmp);
	}
    } else {
	print "User $user is not a samba user\n";
    }
}

my $_sambaHomeDrive;
if (defined($tmp = $Options{'D'})) {
    if ($samba == 1) {
	if ($tmp eq "" and defined $user_entry->get_value('sambaHomeDrive')) {
	    push(@dels, 'sambaHomeDrive' => []);
	} elsif ($tmp ne "") {
	    $tmp = $tmp.":" unless ($tmp =~ /:/);
	    push(@mods, 'sambaHomeDrive' => $tmp);
	}
    } else {
	print "User $user is not a samba user\n";
    }
}

if (defined($tmp = $Options{'E'})) {
    if ($samba == 1) {
	if ($tmp eq "" and defined $user_entry->get_value('sambaLogonScript')) {
	    push(@dels, 'sambaLogonScript' => []);
	} elsif ($tmp ne "") {
	    push(@mods, 'sambaLogonScript' => $tmp);
	}
    } else {
	print "User $user is not a samba user\n";
    }
}

if (defined($tmp = $Options{'F'})) {
    if ($samba == 1) {
	if ($tmp eq "" and defined $user_entry->get_value('sambaProfilePath')) {
	    push(@dels, 'sambaProfilePath' => []);
	} elsif ($tmp ne "") {
	    push(@mods, 'sambaProfilePath' => $tmp);
	}
    } else {
	print "User $user is not a samba user\n";
    }
}

if ($samba == 1 and (defined $Options{'H'} or defined $Options{'I'} or defined $Options{'J'})) {
    my $_sambaAcctFlags;
    if (defined($tmp = $Options{'H'})) {
	#$tmp =~ s/\\/\\\\/g;
	$_sambaAcctFlags=$tmp;
    } else {
	# I or J
	my $flags;
	$flags = $user_entry->get_value('sambaAcctFlags');

	if (defined($tmp = $Options{'I'})) {
	    if ( !($flags =~ /D/) ) {
		my $letters;
		if ($flags =~ /(\w+)/) {
		    $letters = $1;
		}
		$_sambaAcctFlags="\[D$letters\]";
	    }
	} elsif (defined($tmp = $Options{'J'})) {
	    if ( $flags =~ /D/ ) {
		my $letters;
		if ($flags =~ /(\w+)/) {
		    $letters = $1;
		}
		$letters =~ s/D//;
		$_sambaAcctFlags="\[$letters\]";
	    }
	}
    }


    if ($_sambaAcctFlags and "$_sambaAcctFlags" ne '') {
	push(@mods, 'sambaAcctFlags' => $_sambaAcctFlags);
    }

} elsif (!$samba == 1 and (defined $Options{'H'} or defined $Options{'I'} or defined $Options{'J'})) {
    print "User $user is not a samba user\n";
}


# apply changes
my $modify = $ldap_master->modify ( "$dn",
				    'replace' => { @mods }
				    );
$modify->code && warn "failed to modify entry: ", $modify->error ;

# we can delete only if @dels is not empty: we check the number of elements
my $nb_to_del=scalar(@dels);
if ($nb_to_del != 0) {
    $modify = $ldap_master->modify ( "$dn",
				     'delete' => { @dels }
				     );
    $modify->code && warn "failed to modify entry: ", $modify->error ;
}
# take down session
$ldap_master->unbind;

if (defined(my $new_user= $Options{'r'})) {
    my $ldap_master=connect_ldap_master();
    chomp($new_user);
    # read eventual new user entry
    my $new_user_entry = read_user_entry($new_user);
    if (defined($new_user_entry)) {
	print "$0: user $new_user already exists, cannot rename\n";
	exit (1);
    }
    my $modify = $ldap_master->moddn (
				      "uid=$user,$config{usersdn}",
				      newrdn => "uid=$new_user",
				      deleteoldrdn => "1",
				      newsuperior => "$config{usersdn}"
				      );
    $modify->code && die "failed to change dn", $modify->error;

    # change cn, sn attributes
    my $user_entry = read_user_entry($new_user);
    my $dn= $user_entry->dn();
    my @mods;
    push(@mods, 'sn' => $new_user);
    push(@mods, 'cn' => $new_user);
    $modify = $ldap_master->modify ("$dn",
				    changes => [
						'replace' => [ @mods ]
						]
				    );
    $modify->code && warn "failed to change cn and sn attributes: ", $modify->error;

    # changing username in groups
    my @groups = &find_groups_of($user);
    foreach my $gname (@groups) {
	if ($gname ne "") {
	    my $dn_line = get_group_dn($gname);
	    my $dn = get_dn_from_line("$dn_line");
	    print "updating group $gname\n";
	    $modify = $ldap_master->modify("$dn",
					   changes => [
						       'delete' => [memberUid => $user],
						       'add' => [memberUid => $new_user]
						       ]);
	    $modify->code && warn "failed to change cn and sn attributes: ", $modify->error;
	}
    }
    $ldap_master->unbind;
}

$nscd_status = system "/etc/init.d/nscd status >/dev/null 2>&1";

if ($nscd_status == 0) {
    system "/etc/init.d/nscd restart > /dev/null 2>&1";
}

if (defined($Options{'P'})) {
    exec "$RealBin/smbldap-passwd $user"
    }


############################################################

=head1 NAME

smbldap-usermod - Modify a user account

=head1 SYNOPSIS

smbldap-usermod [-c gecos] [-d home_dir] [-r login_name] [-u uid] [-g gid] [-o] [-G group[,...]] [-s shell]
[-N canonical_name] [-S surname] [-P] [-M mail[,...]] [-T mail,[..]] [--shadowExpire date] [--shadowMax n]
[--shadowMin n] [--shadowInactive n] [--shadowWarning n] [-L] [-U] [-a] [-e expiration_date] [-A canchange]
[-B mustchange] [-C smbhome] [-D homedrive] [-E scriptpath] [-F profilepath] [-H acctflags] [-I] [-J] [-h] login

=head1 DESCRIPTION

The smbldap-usermod  command  modifies the system account files to reflect the changes that are specified
on the  command  line.

=head2 UNIX options

-c, --gecos gecos
    The new value of the user's comment field (gecos).

-d, --homedir home_dir
    The user's new login directory.

-r, --rename new_user
    Allow to rename a user. This option will update the cn, sn and dn attribute for the user. You can also update
    others attributes using the corresponding script options.

-u, --uid uid
    The numerical  value  of  the  user's  ID.   This value must be unique, unless the -o option is used.  The value
    must  be  non negative.  Any files which the user owns  and  which  are located  in  the directory tree rooted at
    the user's home directory will have the file user ID  changed  automatically.   Files outside of the user's home
    directory must be altered manually.

-o, --canBeNotUnique
    uidNumber can be non unique

-g, --gid initial_group
    The group name or number of the user's new initial login  group. The  group  name  must  exist. A group number must
    refer to an already existing group.  The default group number is 1.

-G, --group group,[...]
    A list of supplementary groups which the user is also  a  member of.   Each  group is separated from the next by a
    comma, with no intervening whitespace.  The groups  are  subject  to  the  same restrictions as the group given
    with the -g option.  If the user is currently a member of a group which is not listed,  the user will be removed
    from the group

-s, --shel shell
    The name of the user's new login shell.  Setting this  field  to blank causes the system to select the default
    login shell.

-N, --givenName
    set the canonical name (attribut cn)

-S, --surname
    Set the surname

-P
    End by invoking smbldap-passwd to change the user password (both unix and samba passwords)

-M, --mailAddresses  mail,[...]
    mailAddresses (comma seperated)

-T, --mailToAddress  mail,[...]
    mailToAddress (forward address) (comma seperated)

--shadowExpire <YYYY-MM-DD>
    Set the expiration date for the user password. This only affect unix account. The date must be in the following
    format : YYYY-MM-DD. This option call the external 'date' command to set calculate the number of seconds
    from Junary 1 1970 to the specified date.

--shadowMax <n>
    User must change the password, at least, every 'n' days

--shadowMin <n>
    User must wait 'n' days once the password has changed before changing it again

--shadowInactive <n>
    Number of days of inactivity allowed for the specified user

--shadowWarning <n>
    User is warned that the password must be changed four days before the password expires

-L, --shadowLock
    Lock unix user's password. This puts a '!' in front of the encrypted password, effectively disabling the password.

-U, --shadowUnlock
    Unlock unix user's password. This removes the '!' in front of the encrypted password.

=head2 SAMBA options

-a, --addsambaSAMAccount
    Add the sambaSAMAccount objectclass to the specified user account. This allow the user to become a samba user.

-e, --sambaExpire <YYYY-MM-DD HH:MM:SS>
    Set the expiration date for the user account. This only affect samba account. The date must be in the following
    format : YYYY-MM-DD HH:MM:SS. This option call the external 'date' command to set calculate the number of seconds
    from Junary 1 1970 to the specified date.

-x
Creates rid and primaryGroupID in hex instead of decimal (for Samba 2.2.2 unpatched only - higher versions always
use decimal)

-A, --sambaPwdCanChange
can change password ? 0 if no, 1 if yes

-B, --sambaPwdMustChange
must change password ? 0 if no, 1 if yes

-C, ----sambaHomePath path
sambaHomePath (SMB home share, like '\\\\PDC-SRV\\homes')

-D, --sambaHomeDrive drive
sambaHomeDrive (letter associated with home share, like 'H:')

-E, --sambaLogonScript script
sambaLogonScript, relative to the [netlogon] share (DOS script to execute on login, like 'foo.bat')

-F, --sambaProfilePath path
sambaProfilePath (profile directory, like '\\\\PDC-SRV\\profiles\\foo')

-H, --sambaAcctFlags flags
sambaAcctFlags, spaces and trailing bracket are ignored (samba account control bits like '[NDHTUMWSLKI]')

-I, --sambaDisable
disable user. Can't be used with -H or -J

-J, --sambaEnable
enable user. Can't be used with -H or -I

-h, --help
print this help

=head1 SEE ALSO

usermod(1)

=cut

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