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webmin/ldap-useradmin/ldap-useradmin-lib.pl

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# ldap-useradmin-lib.pl
# Module sponsored by
# Sanitaetsbetrieb Brixen - Azienda Sanitaria di Bressanone
# www.sb-brixen.it - www.as-bressanone.it
BEGIN { push(@INC, ".."); };
use WebminCore;
&init_config();
&foreign_require("useradmin");
&foreign_require("ldap-client");
%access = &get_module_acl();
$useradmin::access{'udelete'} = 1; # needed for users_table / groups_table
$useradmin::access{'gdelete'} = 1;
%utext = &load_language("useradmin");
foreach $t (keys %utext) {
$text{$t} ||= $utext{$t};
}
%mconfig = %useradmin::config;
foreach my $k (keys %config) {
if ($config{$k} ne "") {
$mconfig{$k} = $config{$k};
}
}
eval "use Net::LDAP";
if ($@) { $net_ldap_error = $@; }
else { $got_net_ldap++; }
eval "use Net::IMAP";
if ($@) { $net_imap_error = $@; }
else { $got_net_imap++; }
$secret_file = "/etc/ldap.secret";
$samba_class = $config{'samba_class'} || "sambaAccount";
$samba_class =~ s/^\s+//; $samba_class =~ s/\s+$//;
$samba_schema = lc($samba_class) eq lc("sambaSamAccount") ? 3 : 2;
$samba_group_class = $config{'samba_gclass'} || "sambaGroup";
$samba_group_class =~ s/^\s+//; $samba_group_class =~ s/\s+$//;
$samba_group_schema = lc($samba_group_class) eq lc("sambaSamGroup") ||
lc($samba_group_class) eq lc("sambaGroupMapping") ? 3 : 2;
$cyrus_class = $config{'imap_class'} || "SuSEeMailObject";
$cyrus_class =~ s/^\s+//; $cyrus_class =~ s/\s+$//;
if ($config{'charset'}) {
$force_charset = $config{'charset'};
}
# Search types
$match_modes = [ [ 0, $text{'index_equals'} ], [ 1, $text{'index_contains'} ],
[ 2, $text{'index_nequals'} ], [ 3, $text{'index_ncontains'} ],
[ 6, $text{'index_lower'} ], [ 7, $text{'index_higher'} ] ];
# ldap_connect(return-error)
# Connect to the LDAP server and return a handle to the Net::LDAP object
sub ldap_connect
{
if (!$ldap_client::config{'auth_ldap'} ||
!-r $ldap_client::config{'auth_ldap'}) {
# LDAP client config file not known .. force manual specification
foreach my $f ("ldap_host", "login") {
if (!$config{$f}) {
if ($_[0]) { return $text{'conn_e'.$f}; }
else { &error($text{'conn_e'.$f}); }
}
}
}
local $ldap = &ldap_client::generic_ldap_connect(
$config{'ldap_host'}, $config{'ldap_port'},
$config{'ldap_tls'}, $config{'login'}, $config{'pass'});
if (ref($ldap)) { return $ldap; }
elsif ($_[0]) { return $ldap; }
else { &error($ldap); }
}
# get_user_base()
sub get_user_base
{
local $conf = &ldap_client::get_config();
local $base = $config{'user_base'} ||
&ldap_client::find_svalue("nss_base_passwd", $conf) ||
&ldap_client::find_svalue("base", $conf);
$base =~ s/\?.*$//;
return $base;
}
# get_group_base()
sub get_group_base
{
local $conf = &ldap_client::get_config();
local $base = $config{'group_base'} ||
&ldap_client::find_svalue("nss_base_group", $conf) ||
&ldap_client::find_svalue("base", $conf);
$base =~ s/\?.*$//;
return $base;
}
# imap_connect(return-error)
# Connect and login to the IMAP server
sub imap_connect
{
local $imap = new Net::IMAP($config{'imap_host'});
if (!$imap) {
local $err = &text('imap_econn', "<tt>$config{'imap_host'}</tt>");
if ($_[0]) { return $err; }
else { &error($err); }
}
local $rv = $imap->login($config{'imap_login'}, $config{'imap_pass'});
if ($rv->{'Status'} ne 'ok') {
local $err = &text('imap_elogin', "<tt>$config{'imap_host'}</tt>",
"<tt>$config{'imap_login'}</tt>", $rv->{'Text'});
if ($_[0]) { return $err; }
else { &error($err); }
}
return $imap;
}
# samba_password(password)
# Converts a plain text string into two Samba passwords (nt and lm) with the
# ntpasswd program.
sub samba_password
{
local ($nt, $lm);
&foreign_check("samba") || &error($text{'usave_esamba'});
&foreign_require("samba", "smbhash.pl");
$nt = &samba::nthash($_[0]);
$lm = &samba::lmhash($_[0]);
return ($nt, $lm);
}
# encrypt_password(string, [salt])
sub encrypt_password
{
local ($pass, $salt) = @_;
&seed_random();
if ($config{'md5'} == 4) {
# LDAP SSHA encryption
local $qp = quotemeta($pass);
local $out = `$config{'slappasswd'} -h '{ssha}' -s $qp 2>/dev/null`;
$out =~ s/\s+$//;
$out =~ s/^\{ssha\}//i;
return $out;
}
if ($config{'md5'} == 3) {
# LDAP MD5 encryption
local $qp = quotemeta($pass);
local $out = `$config{'slappasswd'} -h '{md5}' -s $qp 2>/dev/null`;
$out =~ s/\s+$//;
$out =~ s/^\{md5\}//i;
return $out;
}
if ($config{'md5'} == 1) {
# Unix MD5 encryption
&foreign_require("useradmin", "user-lib.pl");
return &useradmin::encrypt_md5($pass, $salt);
}
elsif ($config{'md5'} == 0) {
# Standard Unix crypt
$salt ||= chr(int(rand(26))+65).chr(int(rand(26))+65);
return &unix_crypt($pass, $salt);
}
else {
# No encryption!
return $pass;
}
}
# list_users()
# Returns a list of users, in the same format as the useradmin module
sub list_users
{
if (!scalar(@list_users_cache)) {
local $ldap = &ldap_connect();
local $base = &get_user_base();
local $rv = $ldap->search(base => $base,
filter => &user_filter());
local $u;
foreach $u ($rv->all_entries) {
local %uinfo = &dn_to_hash($u);
push(@list_users_cache, \%uinfo);
}
$ldap->unbind();
}
return @list_users_cache;
}
# create_user(&user)
# Given a user details hash in the same format as the useradmin module, add
# it to the LDAP database
sub create_user
{
local $ldap = &ldap_connect();
local $base = &get_user_base();
$_[0]->{'dn'} = "uid=$_[0]->{'user'},$base";
local @classes = ( "posixAccount", "shadowAccount",
split(/\s+/, $config{'other_class'}),
@{$_[0]->{'ldap_class'}} );
local $schema = $ldap->schema();
if ($schema->objectclass("person") && $config{'person'}) {
push(@classes, "person");
}
@classes = &unique(@classes);
@classes = grep { /\S/ } @classes; # Remove empty
local @attrs = &user_to_dn($_[0]);
push(@attrs, &split_props($config{'props'}, $_[0]));
push(@attrs, @{$_[0]->{'ldap_attrs'}});
push(@attrs, "objectClass" => \@classes);
if (&indexoflc("person", @classes) >= 0 && !&in_props(\@attrs, "sn")) {
# Person needs 'sn'
push(@attrs, "sn", &in_props(\@attrs, "cn"));
}
local $rv = $ldap->add($_[0]->{'dn'}, attr => \@attrs);
if ($rv->code) {
&error(&text('usave_eadd', $rv->error));
}
push(@list_users_cache, $_[0]) if (scalar(@list_users_cache));
$ldap->unbind();
&useradmin::refresh_nscd() if (!$batch_mode);
}
# delete_user(&user)
# Given a user details hash in the same format as the useradmin module, removes
# it from the LDAP database
sub delete_user
{
local $ldap = &ldap_connect();
local $rv = $ldap->delete($_[0]->{'dn'});
if ($rv->code) {
&error(&text('usave_edelete', $rv->error));
}
$ldap->unbind();
@list_users_cache = grep { $_ ne $_[0] } @list_users_cache
if (scalar(@list_users_cache));
&useradmin::refresh_nscd() if (!$batch_mode);
}
# modify_user(&olduser, &newuser)
sub modify_user
{
local $ldap = &ldap_connect();
local $base = &get_user_base();
local @attrs = &user_to_dn($_[1]);
push(@attrs, &split_props($config{'mod_props'}, $_[1]));
push(@attrs, @{$_[1]->{'ldap_attrs'}});
if ($_[1]->{'ldap_class'} &&
(!ref($_[1]->{'ldap_class'}) || @{$_[1]->{'ldap_class'}})) {
push(@attrs, "objectClass" => $_[1]->{'ldap_class'});
}
if (&indexoflc("person", @{$_[1]->{'ldap_class'}}) >= 0 &&
!&in_props(\@attrs, "sn")) {
# Person needs 'sn'
push(@attrs, "sn", &in_props(\@attrs, "cn"));
}
local %replace;
for(my $i=0; $i<@attrs; $i+=2) {
$replace{$attrs[$i]} ||= [ ];
local $v = $attrs[$i+1];
push(@{$replace{$attrs[$i]}}, ref($v) ? @$v : $v);
}
if ($_[0]->{'pass'} eq $_[1]->{'pass'}) {
# Don't change password attribute if not change
delete($replace{'userPassword'});
}
# Do rename to new DN first
if ($_[0]->{'user'} ne $_[1]->{'user'}) {
local $newdn = $_[0]->{'dn'};
if ($newdn !~ s/^uid=$_[0]->{'user'},/uid=$_[1]->{'user'},/) {
$newdn = "uid=$_[1]->{'user'},$base";
}
if (!&same_dn($newdn, $_[0]->{'dn'})) {
$rv = $ldap->moddn($_[0]->{'dn'},
newrdn => "uid=$_[1]->{'user'}");
if ($rv->code) {
&error(&text('usave_emoddn', $rv->error));
}
$_[1]->{'dn'} = $newdn;
}
}
local $rv = $ldap->modify($_[1]->{'dn'}, replace => \%replace);
if ($rv->code) {
&error(&text('usave_emod', $rv->error));
}
if ($_[0] ne $_[1] && &indexof($_[0], @list_users_cache) != -1) {
# Update old object in cache
%{$_[0]} = %{$_[1]};
}
$ldap->unbind();
&useradmin::refresh_nscd() if (!$batch_mode);
}
# list_groups()
# Returns a list of groups, in the same format as the useradmin module
sub list_groups
{
if (!scalar(@list_groups_cache)) {
local $ldap = &ldap_connect();
local $base = &get_group_base();
local $rv = $ldap->search(base => $base,
filter => &group_filter());
local $g;
foreach $g ($rv->all_entries) {
local %ginfo = &dn_to_hash($g);
push(@list_groups_cache, \%ginfo);
}
$ldap->unbind();
}
return @list_groups_cache;
}
# create_group(&group)
# Given a group details hash in the same format as the useradmin module, add
# it to the LDAP database
sub create_group
{
local $ldap = &ldap_connect();
local $base = &get_group_base();
$_[0]->{'dn'} = "cn=$_[0]->{'group'},$base";
local @classes = ( "posixGroup" );
push(@classes, split(/\s+/, $config{'gother_class'}));
@classes = &unique(@classes);
local @attrs = &group_to_dn($_[0]);
push(@attrs, @{$_[0]->{'ldap_attrs'}});
push(@attrs, "objectClass" => \@classes);
local $rv = $ldap->add($_[0]->{'dn'}, attr => \@attrs);
if ($rv->code) {
&error(&text('gsave_eadd', $rv->error));
}
push(@list_groups_cache, $_[0]) if (scalar(@list_groups_cache));
$ldap->unbind();
&useradmin::refresh_nscd() if (!$batch_mode);
}
# delete_group(&group)
# Given a group details hash in the same format as the useradmin module, removes
# it from the LDAP database
sub delete_group
{
local $ldap = &ldap_connect();
local $rv = $ldap->delete($_[0]->{'dn'});
if ($rv->code) {
&error(&text('gsave_edelete', $rv->error));
}
$ldap->unbind();
@list_groups_cache = grep { $_ ne $_[0] } @list_groups_cache
if (scalar(@list_groups_cache));
&useradmin::refresh_nscd() if (!$batch_mode);
}
# modify_group(&oldgroup, &newgroup)
sub modify_group
{
local $ldap = &ldap_connect();
local $base = &get_group_base();
local @attrs = &group_to_dn($_[1]);
push(@attrs, @{$_[0]->{'ldap_attrs'}});
# Do rename to new DN first
if ($_[0]->{'group'} ne $_[1]->{'group'}) {
local $newdn = $_[0]->{'dn'};
if ($newdn !~ s/^cn=$_[0]->{'group'},/cn=$_[1]->{'group'},/) {
$newdn = "cn=$_[1]->{'group'},$base";
}
if (!&same_dn($newdn, $_[0]->{'dn'})) {
$rv = $ldap->moddn($_[0]->{'dn'}, newrdn => "cn=$_[1]->{'group'}");
if ($rv->code) {
&error(&text('gsave_emoddn', $rv->error));
}
$_[1]->{'dn'} = $newdn;
}
}
local $rv = $ldap->modify($_[1]->{'dn'}, replace => { @attrs });
if ($rv->code) {
&error(&text('gsave_emod', $rv->error));
}
if ($_[0] ne $_[1] && &indexof($_[0], @list_groups_cache) != -1) {
# Update old object in cache
%{$_[0]} = %{$_[1]};
}
$ldap->unbind();
&useradmin::refresh_nscd() if (!$batch_mode);
}
# dn_to_hash(&ldap-object)
# Given a LDAP object containing user or group details, convert it to a hash
# in the same format uses by the useradmin module
sub dn_to_hash
{
if ($_[0]->get_value("uid")) {
local %user = ( 'dn' => $_[0]->dn(),
'user' => $_[0]->get_value("uid"),
'uid' => $_[0]->get_value("uidNumber"),
'gid' => $_[0]->get_value("gidNumber"),
'real' => $_[0]->get_value("cn"),
'home' => $_[0]->get_value("homeDirectory"),
'shell' => $_[0]->get_value("loginShell"),
'pass' => $_[0]->get_value("userPassword"),
'change' => $_[0]->get_value("shadowLastChange") || "",
'expire' => $_[0]->get_value("shadowExpire") || "",
'min' => $_[0]->get_value("shadowMin") || "",
'max' => $_[0]->get_value("shadowMax") || "",
'warn' => $_[0]->get_value("shadowWarning") || "",
'inactive' => $_[0]->get_value("shadowInactive") || "",
);
$user{'pass'} =~ s/^(\!?){[a-z0-9]+}/$1/i;
$user{'all_ldap_attrs'} = { map { lc($_), scalar($_[0]->get_value($_)) }
$_[0]->attributes() };
$user{'ldap_class'} = [ $_[0]->get_value('objectClass') ];
return %user;
}
else {
local @members = $_[0]->get_value('memberUid');
local %group = ( 'dn' => $_[0]->dn(),
'group' => $_[0]->get_value("cn"),
'gid' => $_[0]->get_value("gidNumber"),
'pass' => $_[0]->get_value("userPassword") || "",
'members' => join(",", @members) || "",
'desc' => $_[0]->get_value("description"),
);
return %group;
}
}
# user_to_dn(&user)
# Given a useradmin-style user hash, returns a list of properties
sub user_to_dn
{
local $pfx = $_[0]->{'pass'} =~ /^\{[a-z0-9]+\}/i ? undef :
$config{'md5'} == 1 || $config{'md5'} == 3 ? "{md5}" :
$config{'md5'} == 4 ? "{ssha}" :
$config{'md5'} == 0 ? "{crypt}" : "";
local $pass = $_[0]->{'pass'};
local $disabled;
if ($pass =~ s/^\!//) {
$disabled = "!";
}
$cn = $_[0]->{'real'} eq '' ? $_[0]->{'user'} : $_[0]->{'real'};
return ( "cn" => $cn,
"uid" => $_[0]->{'user'},
"uidNumber" => $_[0]->{'uid'},
"loginShell" => $_[0]->{'shell'},
"homeDirectory" => $_[0]->{'home'},
"gidNumber" => $_[0]->{'gid'},
"userPassword" => $disabled.$pfx.$pass,
$_[0]->{'change'} eq '' ? ( ) :
( "shadowLastChange" => $_[0]->{'change'} ),
$_[0]->{'expire'} eq '' ? ( ) :
( "shadowExpire" => $_[0]->{'expire'} ),
$_[0]->{'min'} eq '' ? ( ) :
( "shadowMin" => $_[0]->{'min'} ),
$_[0]->{'max'} eq '' ? ( ) :
( "shadowMax" => $_[0]->{'max'} ),
$_[0]->{'warn'} eq '' ? ( ) :
( "shadowWarning" => $_[0]->{'warn'} ),
$_[0]->{'inactive'} eq '' ? ( ) :
( "shadowInactive" => $_[0]->{'inactive'} )
);
}
sub group_to_dn
{
local @members = split(/,/, $_[0]->{'members'});
return ( "cn" => $_[0]->{'group'},
"gidNumber" => $_[0]->{'gid'},
"userPassword" => $_[0]->{'pass'},
@members ? ( "memberUid" => \@members ) : ( ),
defined($_[0]->{'desc'}) ? ( "description" => $_[0]->{'desc'} ) : ( ),
);
}
# making_changes()
# Called before the LDAP database has been updated, to run the pre-changes
# command.
sub making_changes
{
if ($config{'pre_command'} =~ /\S/) {
local $out = &backquote_logged("($config{'pre_command'}) 2>&1 </dev/null");
return $? ? $out : undef;
}
return undef;
}
# made_changes()
# Called after the LDAP database has been updated, to run the post-changes
# command.
sub made_changes
{
if ($config{'post_command'} =~ /\S/) {
local $out = &backquote_logged("($config{'post_command'}) 2>&1 </dev/null");
return $? ? $out : undef;
}
return undef;
}
# set_user_envs(&hash, action, [plainpass], [secondary],
# [&olduser], [oldplainpass])
# Just call the useradmin function of the same name
sub set_user_envs
{
local $rv = &useradmin::set_user_envs(@_);
if ($_[0]->{'all_ldap_attrs'}) {
foreach my $a (keys %{$_[0]->{'all_ldap_attrs'}}) {
my $v = $_[0]->{'all_ldap_attrs'}->{$a};
$ENV{'USERADMIN_LDAP_'.uc($a)} = $v;
}
}
if ($_[5]->{'all_ldap_attrs'}) {
foreach my $a (keys %{$_[5]->{'all_ldap_attrs'}}) {
my $v = $_[5]->{'all_ldap_attrs'}->{$a};
$ENV{'USERADMIN_OLD_LDAP_'.uc($a)} = $v;
}
}
return $rv;
}
# Just call the useradmin function of the same name
sub set_group_envs
{
return &useradmin::set_group_envs(@_);
}
# Locks a dummy file, to indicate that the DB is in use
sub lock_user_files
{
&lock_file("$module_config_directory/ldapdb");
}
sub unlock_user_files
{
&unlock_file("$module_config_directory/ldapdb");
}
# split_props(text, &user)
sub split_props
{
local %pmap;
foreach $p (split(/\t+/, &substitute_template($_[0], $_[1]))) {
if ($p =~ /^(\S+):\s*(.*)/) {
push(@{$pmap{$1}}, $2);
}
}
local @rv;
local $k;
foreach $k (keys %pmap) {
local $v = $pmap{$k};
if (@$v == 1) {
push(@rv, $k, $v->[0]);
}
else {
push(@rv, $k, $v);
}
}
return @rv;
}
# build_user_used([&uid-hash], [&shell-list], [&username-hash])
# Fills in a hash with used UIDs, shells and usernames
sub build_user_used
{
setpwent();
local @u;
while(@u = getpwent()) {
$_[0]->{$u[2]}++ if ($_[0]);
push(@{$_[1]}, $u[8]) if ($_[1] && $u[8]);
$_[2]->{$u[0]}++ if ($_[2]);
}
endpwent();
local $u;
foreach $u (&list_users()) {
$_[0]->{$u->{'uid'}}++ if ($_[0]);
push(@{$_[1]}, $u->{'shell'}) if ($_[1] && $u->{'shell'});
$_[2]->{$u->{'user'}}++ if ($_[2]);
}
}
# build_group_used([&uid-hash], [&groupname-hash])
sub build_group_used
{
setgrent();
local @g;
while(@g = getgrent()) {
$_[0]->{$g[2]}++ if ($_[0]);
$_[1]->{$g[0]}++ if ($_[1]);
}
endgrent();
local $g;
foreach $g (&list_groups()) {
$_[0]->{$g->{'gid'}}++ if ($_[0]);
$_[1]->{$g->{'group'}}++ if ($_[1]);
}
}
# allocate_uid(&uids-used)
sub allocate_uid
{
local $rv = $mconfig{'base_uid'};
while($_[0]->{$rv}) {
$rv++;
}
return $rv;
}
# allocate_gid(&gids-used)
sub allocate_gid
{
local $rv = $mconfig{'base_gid'};
while($_[0]->{$rv}) {
$rv++;
}
return $rv;
}
# check_uid_used(&ldap, uid)
# Returns 1 if some UID has been already used, either by LDAP or a local user
sub check_uid_used
{
local ($ldap, $uid) = @_;
local $localuser = getpwuid($uid);
return 1 if ($localuser);
local $rv = $ldap->search('base' => &get_user_base(),
'filter' => "(uidNumber=$uid)");
return $rv->count ? 1 : 0;
}
# check_user_used(&ldap, user)
# Returns 1 if some username has been already used, either by LDAP or a
# local user
sub check_user_used
{
local ($ldap, $user) = @_;
local @localuser = getpwnam($user);
return 1 if (@localuser);
local $rv = $ldap->search('base' => &get_user_base(),
'filter' => "(uid=$user)");
return $rv->count ? 1 : 0;
}
# check_gid_used(&ldap, gid)
# Returns 1 if some GID has been already used, either by LDAP or a local group
sub check_gid_used
{
local ($ldap, $gid) = @_;
local $localgroup = getgrgid($gid);
return 1 if ($localgroup);
local $rv = $ldap->search('base' => &get_group_base(),
'filter' => "(gidNumber=$gid)");
return $rv->count ? 1 : 0;
}
# check_group_used(&ldap, group)
# Returns 1 if some groupname has been already used, either by LDAP or a
# local group
sub check_group_used
{
local ($ldap, $group) = @_;
local @localgroup = getgrnam($group);
return 1 if (@localgroup);
local $rv = $ldap->search('base' => &get_group_base(),
'filter' => "(cn=$group)");
return $rv->count ? 1 : 0;
}
# same_dn(dn1, dn2)
# Returns 1 if two DNs are the same
sub same_dn
{
local $dn0 = join(",", split(/,\s*/, $_[0]));
local $dn1 = join(",", split(/,\s*/, $_[1]));
return lc($dn0) eq lc($dn1);
}
# all_getpwnam(username)
# Look up a user by name, and return his details in array format. Searches
# both LDAP and the local users DB.
sub all_getpwnam
{
local @uinfo = getpwnam($_[0]);
if (scalar(@uinfo)) {
return wantarray ? @uinfo : $uinfo[2];
}
local $u;
foreach $u (&list_users()) {
return &pw_user_rv($u, wantarray, 'uid')
if ($u->{'user'} eq $_[0]);
}
return wantarray ? () : undef;
}
# all_getpwuid(uid)
# Look up a user by UID, and return his details in array format. Searches
# both LDAP and the local users DB.
sub all_getpwuid
{
local @uinfo = getpwuid($_[0]);
if (scalar(@uinfo)) {
return wantarray ? @uinfo : $uinfo[0];
}
local $u;
foreach $u (&list_users()) {
return &pw_user_rv($u, wantarray, 'user')
if ($u->{'uid'} == $_[0]);
}
return wantarray ? () : undef;
}
# all_getgrgid(gid)
# Look up a group by GID, and return its details in array format. Searches
# both LDAP and the local groups DB.
sub all_getgrgid
{
local @ginfo = getgrgid($_[0]);
if (scalar(@ginfo)) {
return wantarray ? @ginfo : $ginfo[0];
}
local $g;
foreach $g (&list_groups()) {
return &gr_group_rv($g, wantarray, 'group')
if ($g->{'gid'} == $_[0]);
}
return wantarray ? () : undef;
}
# all_getgrnam(groupname)
# Look up a group by name, and return its details in array format. Searches
# both LDAP and the local groups DB.
sub all_getgrnam
{
local @ginfo = getgrnam($_[0]);
if (scalar(@ginfo)) {
return wantarray ? @ginfo : $ginfo[2];
}
local $g;
foreach $g (&list_groups()) {
return &gr_group_rv($g, wantarray, 'gid')
if ($g->{'group'} eq $_[0]);
}
return wantarray ? () : undef;
}
sub gr_group_rv
{
return $_[1] ? ( $_[0]->{'group'}, $_[0]->{'pass'}, $_[0]->{'gid'},
$_[0]->{'members'} ) : $_[0]->{$_[2]};
}
sub pw_user_rv
{
return $_[0] ? ( $_[0]->{'user'}, $_[0]->{'pass'}, $_[0]->{'uid'},
$_[0]->{'gid'}, undef, undef, $_[0]->{'real'},
$_[0]->{'home'}, $_[0]->{'shell'}, undef ) : $_[0]->{$_[2]};
}
# auto_home_dir(base, username, groupname)
# Returns an automatically generated home directory, and creates needed
# parent dirs
sub auto_home_dir
{
local $pfx = $_[0] eq "/" ? "/" : $_[0]."/";
if ($mconfig{'home_style'} == 0) {
return $pfx.$_[1];
}
elsif ($mconfig{'home_style'} == 1) {
&useradmin::mkdir_if_needed($pfx.substr($_[1], 0, 1));
return $pfx.substr($_[1], 0, 1)."/".$_[1];
}
elsif ($mconfig{'home_style'} == 2) {
&useradmin::mkdir_if_needed($pfx.substr($_[1], 0, 1));
&useradmin::mkdir_if_needed($pfx.substr($_[1], 0, 1)."/".
substr($_[1], 0, 2));
return $pfx.substr($_[1], 0, 1)."/".
substr($_[1], 0, 2)."/".$_[1];
}
elsif ($mconfig{'home_style'} == 3) {
&useradmin::mkdir_if_needed($pfx.substr($_[1], 0, 1));
&useradmin::mkdir_if_needed($pfx.substr($_[1], 0, 1)."/".
substr($_[1], 1, 1));
return $pfx.substr($_[1], 0, 1)."/".
substr($_[1], 1, 1)."/".$_[1];
}
elsif ($mconfig{'home_style'} == 4) {
return $_[0];
}
elsif ($mconfig{'home_style'} == 5) {
return $pfx.$_[2]."/".$_[1];
}
}
# imap_error(text, &rv)
sub imap_error
{
&error_setup(undef);
&error(&text('usave_eimap', $_[0], $_[1]->{'Text'}));
}
# setup_imap(&user, quota-in-kb)
# Create an IMAP account for a user
sub setup_imap
{
local ($user, $quota) = @_;
# Check if the user already exists
local $imap = &imap_connect();
local $rv = $imap->status("user".$user{'imap_foldersep'}.$user->{'user'}, "messages");
if ($rv->{'Status'} eq 'ok') {
# Already exists, so do nothing
$imap->logout();
}
else {
# Create the user on the IMAP server
$rv = $imap->create("user".$config{'imap_foldersep'}.$user->{'user'});
$rv->{'Status'} eq 'ok' ||
&imap_error($text{'usave_eicreate'}, $rv);
# Grant all rights to admin user
$rv = $imap->setacl("user".$config{'imap_foldersep'}.$user->{'user'},
$config{'imap_login'}, "lrswipcda");
$rv->{'Status'} eq 'ok' ||
&imap_error($text{'usave_eiacl'}, $rv);
if (defined($quota) && $config{'quota_support'}) {
# Set his IMAP quota
$rv = $imap->setquota("user".$config{'imap_foldersep'}.$user->{'user'},
"STORAGE", $quota);
$rv->{'Status'} eq 'ok' ||
&imap_error($text{'usave_eiquota'}, $rv);
}
# Subscribe the user to his inbox by logging in
# as him
$imap->logout();
$uimap = new Net::IMAP($config{'imap_host'});
$rv = $uimap->login($user->{'user'}, $user->{'plainpass'});
$rv->{'Status'} eq 'ok' ||
&imap_error($text{'usave_eilogin'}, $rv);
$rv = $uimap->subscribe("INBOX");
$rv->{'Status'} eq 'ok' ||
&imap_error(&text('usave_eisub', "INBOX"), $rv);
foreach $f (split(/\t+/, $config{'imap_folders'})) {
local $fp = $config{'imap_folderalt'} ?
"user$config{'imap_foldersep'}$user->{'user'}$config{'imap_foldersep'}$f" : $f;
$rv = $uimap->create($fp);
$rv->{'Status'} eq 'ok' ||
&imap_error(&text('usave_eifolder',$f),$rv);
$rv = $uimap->subscribe($fp);
$rv->{'Status'} eq 'ok' ||
&imap_error(&text('usave_eisub', $f), $rv);
}
$uimap->logout();
}
# Re-connect for later LDAP operations
$ldap = &ldap_connect();
}
# set_imap_quota(&user, quota-in-kb)
# Change the quota for an IMAP user
sub set_imap_quota
{
local ($user, $quota) = @_;
# Check if the user already exists
local $imap = &imap_connect();
local $rv = $imap->status("user".$config{'imap_foldersep'}.$user->{'user'}, "messages");
if ($rv->{'Status'} eq 'ok') {
# Set his IMAP quota
$rv = $imap->setquota("user".$config{'imap_foldersep'}.$user->{'user'},
"STORAGE", $quota);
$rv->{'Status'} eq 'ok' ||
&imap_error($text{'usave_eiquota'}, $rv);
}
}
# setup_addressbook(&user)
sub setup_addressbook
{
local $ldap = &ldap_connect();
local $rv = $ldap->add("ou=$_[0]->{'user'}, $config{'addressbook'}", attr =>
[ "ou" => $_[0]->{'user'},
"objectClass" => [ "top", "organizationalUnit" ]
] );
if ($rv->code) {
&error(&text('usave_ebook', $rv->error));
}
$ldap->unbind();
}
# other_modules(function, arg, ...)
# Call some function in the useradmin_update.pl file in other modules
sub other_modules
{
return &useradmin::other_modules(@_);
}
# lock_user_files()
# Does nothing, because no locking is needed for LDAP
sub lock_user_files
{
}
# unlock_user_files()
# Does nothing, because no locking is needed for LDAP
sub unlock_user_files
{
}
# in_schema(schema, attrname)
sub in_schema
{
return $_[0] && $_[0]->attribute($_[1]);
}
# extra_fields_input(fields-list, &user|&group, &tds)
sub extra_fields_input
{
my ($fields, $uinfo, $tds) = @_;
my @fields = map { [ split(/\s+/, $_, 2) ] } split(/\t/, $fields);
if (@fields) {
print &ui_table_start($text{'uedit_fields'}, "width=100%", 4, $tds);
my $i = 0;
foreach my $f (@fields) {
my ($multi) = ($f->[0] =~ s/\+$//);
my @v;
if ($in{'new'}) {
$v[0] = $in{lc($f->[0])};
}
else {
@v = $uinfo->get_value($f->[0]);
}
my $input;
if ($config{'multi_fields'} || @v > 1 || $multi) {
$input = &ui_textarea("field_$i",
join("\n", @v), 3, 25);
}
else {
$input = &ui_textbox("field_$i", $v[0], 25);
}
print &ui_table_row($f->[1], $input);
$i++;
}
print &ui_table_end();
}
}
# parse_extra_fields(fields-list, &props, &rprops, &ldap, [dn])
sub parse_extra_fields
{
local ($fields, $props, $rprops, $ldap, $dn) = @_;
local @fields = map { [ split(/\s+/, $_, 2) ] } split(/\t/, $fields);
local %noclash = map { lc($_), 1 } split(/\s+/, $config{'noclash'});
local %already = map { lc($_), 1 } (@$props, @$rprops);
local $i = 0;
local $f;
foreach $f (@fields) {
$f->[0] =~ s/\+$//;
next if ($already{lc($f->[0])}); # Skip fields set by Webmin
if ($in{"field_$i"} eq "") {
push(@$rprops, $f->[0]);
}
else {
$in{"field_$i"} =~ s/\r//g;
local @v = split(/\n/, $in{"field_$i"});
if ($noclash{lc($f->[0])}) {
($dup, $dupwhat) = &check_duplicates($ldap, $f->[0],
\@v, $dn);
if ($dup && $dup->get_value('uid')) {
&error(&text('usave_eattrdupu',
$dup->get_value('uid'),
$f->[1], $dupwhat));
}
elsif ($dup && $dup->get_value('cn')) {
&error(&text('usave_eattrdupg',
$dup->get_value('cn'),
$f->[1], $dupwhat));
}
elsif ($dup) {
&error(&text('usave_eattrdup',
$dup->dn(), $f->[1], $dupwhat));
}
}
push(@$props, $f->[0], @v == 1 ? $v[0] : \@v);
}
$i++;
}
}
# can_edit_user(&user)
sub can_edit_user
{
return &useradmin::can_edit_user(\%access, $_[0]);
}
# can_edit_group(&group)
sub can_edit_group
{
return &useradmin::can_edit_group(\%access, $_[0]);
}
# samba_properties(new, &user, passmode, password, schema, &props, &ldap)
# Fills the &props array with properties needed for a Samba user
sub samba_properties
{
local ($new, $user, $passmode, $pass, $schema, $props, $ldap) = @_;
# Work out the Samba password
local $xes = ("X" x 32);
local ($nt, $lm, $opts);
if ($passmode == 0) {
# No password needed
$nt = "NO PASSWORDXXXXXXXXXXXXXXXXXXXXX";
$lm = $nt;
$opts = "UN";
}
elsif ($passmode == 1 || $passmode == 2) {
# No login allowed, or pre-encrypted password
# that we cannot support
$nt = $xes;
$lm = $xes;
$opts = "UD";
}
elsif ($passmode == 3) {
# Plain-text password to convert
($nt, $lm) = &samba_password($pass);
$opts = "U";
push(@$props, "sambaPwdLastSet", time())
if (&in_schema($schema, "sambaPwdLastSet"));
push(@$props, "sambaPwdCanChange", time())
if (&in_schema($schema, "sambaPwdCanChange"));
}
elsif ($passmode == 4) {
# No change
}
if (defined($nt)) {
if ($samba_schema == 3) {
push(@$props, "sambaNTPassword", $nt)
if (&in_schema($schema, "sambaNTPassword"));
push(@$props, "sambaLMPassword", $lm)
if (&in_schema($schema, "sambaLMPassword"));
}
else {
push(@$props, "ntPassword", $nt)
if (&in_schema($schema, "ntPassword"));
push(@$props, "lmPassword", $lm)
if (&in_schema($schema, "lmPassword"));
}
}
if ($new) {
# Set other samba-related options
push(@$props, "ntuid", $user->{'user'})
if (&in_schema($schema, "ntuid") && $samba_schema == 2);
push(@$props, "rid", $user->{'uid'}*2+1000)
if (&in_schema($schema, "rid") && $samba_schema == 2);
push(@$props, "sambaSID",
$config{'samba_domain'}.'-'.($user->{'uid'}*2+1000))
if (&in_schema($schema, "sambaSID") &&
$samba_schema == 3);
if (&in_schema($schema, "sambaPrimaryGroupSID") &&
$samba_schema == 3 && $config{'samba_gid'} ne 'none') {
# Set primary group SID
if ($config{'samba_gid'}) {
# Fixed value
push(@$props, "sambaPrimaryGroupSID",
$config{'samba_gid'});
}
else {
# Find existing group with the same GID
local $base = &get_group_base();
local $rv = $ldap->search(base => $base,
filter => "(&".&group_filter().
"(gidNumber=$user->{'gid'}))");
local ($ginfo) = $rv->all_entries;
if ($ginfo && $ginfo->get_value("sambaSID")) {
# We can get the SID from the actual group
push(@$props, "sambaPrimaryGroupSID",
$ginfo->get_value("sambaSID"));
}
else {
# Based on the GID
push(@$props, "sambaPrimaryGroupSID",
$user->{'gid'}*2+1001);
}
}
}
}
if (defined($opts)) {
push(@$props, "acctFlags", sprintf("[%-11s]", $opts))
if (&in_schema($schema, "acctFlags") && $samba_schema == 2);
push(@$props, "sambaAcctFlags", sprintf("[%-11s]",$opts))
if (&in_schema($schema, "sambaAcctFlags") &&
$samba_schema == 3);
}
push(@$props, &split_props($config{'samba_props'}, $user));
}
# samba_removes(&user, schema, &props)
# Adds to a list of properties to remove for a Samba user
sub samba_removes
{
local ($user, $schema, $rprops) = @_;
if ($samba_schema == 2) {
push(@$rprops, "ntPassword", "lmPassword",
"ntuid", "rid", "acctFlags")
}
if ($samba_schema == 3) {
push(@$rprops, "sambaNTPassword", "sambaLMPassword",
"sambaSID", "sambaAcctFlags", "sambaPrimaryGroupSID",
"sambaPwdLastSet", "sambaPwdCanChange");
}
push(@$rprops, &split_first($config{'samba_props'}));
}
# split_first(string)
# Returns only the property names from a multi-line name: value property list
sub split_first
{
local @rv;
foreach $p (split(/\t+/, $_[0])) {
if ($p =~ /^(\S+):\s*(.*)/) {
push(@rv, $1);
}
}
return @rv;
}
# check_duplicates(&ldap, name, &values, [dn])
# Returns a DN object and the clashing value if some other user has an
# attribute with the same name and value
sub check_duplicates
{
local ($ldap, $name, $values, $dn) = @_;
local $base = &get_user_base();
foreach my $v (@$values) {
local $search = "($name=$v)";
$rv = $ldap->search(base => $base, filter => $search);
next if ($rv->code);
foreach my $u ($rv->all_entries) {
if ($u->dn() ne $dn) {
return ($u, $v);
}
}
}
return ();
}
# delete_ldap_subtree(&ldap, dn)
# Deletes an LDAP entry and all those below it. Returns undef on success, or
# an errpr message on failure.
sub delete_ldap_subtree
{
local ($ldap, $dn) = @_;
local $rv = $ldap->search(base => $dn, scope => 'one',
filter => '(objectClass=*)');
if ($rv->code) {
print "subtree search error ",$rv->error,"<br>\n";
}
foreach my $e ($rv->all_entries) {
&delete_ldap_subtree($ldap, $e->dn());
}
local $rv = $ldap->delete($dn);
return $rv->code ? $rv->error : undef;
}
# remove_accents(text)
# Given some text with european accented characters, convert them to ascii
sub remove_accents
{
local ($string) = @_;
$string =~ tr/<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/a/;
$string =~ tr/<2F><>/c/;
$string =~ tr/<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/e/;
$string =~ tr/<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/i/;
$string =~ tr/<2F>/d/;
$string =~ tr/<2F><>/n/;
$string =~ tr/<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/o/;
$string =~ tr/<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/u/;
$string =~ tr/<2F><><EFBFBD>/y/;
$string =~ tr/<2F>/b/;
$string =~ s/<2F><>/ae/go;
return $string;
}
# in_props(&props, name)
# Looks up the value of a named property in a list
sub in_props
{
local ($props, $name) = @_;
for(my $i=0; $i<@$props; $i++) {
if (lc($props->[$i]) eq lc($name)) {
return $props->[$i+1];
}
}
return undef;
}
# user_filter()
# Returns an LDAP filter expression to find users
sub user_filter
{
my $rv = "(objectClass=posixAccount)";
if ($config{'user_filter'}) {
$rv = "(&".$rv."(".$config{'user_filter'}."))";
}
return $rv;
}
# group_filter()
# Returns an LDAP filter expression to find groups
sub group_filter
{
my $rv = "(objectClass=posixGroup)";
if ($config{'group_filter'}) {
$rv = "(&".$rv."(".$config{'group_filter'}."))";
}
return $rv;
}
1;
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