conf = $config;
else { echo _("Ldap->Ldap failed!"); exit;}
// construct arrays with known LDAP attributes
$this->ldapUserAttributes = array (
"uid" => _("User ID"),
"uidNumber" => _("UID Number"),
"gidNumber" => _("GID Number"),
"cn" => _("User Name"),
"host" => _("Allowed Hosts"),
"givenName" => _("First Name"),
"sn" => _("Last Name"),
"homeDirectory" => _("Home Directory"),
"loginShell" => _("Login Shell"),
"mail" => _("E-Mail"),
"gecos" => _("description")
);
$this->ldapGroupAttributes = array (
"cn" => _("Group Name"),
"gidNumber" => _("GID Number"),
"memberUID" => _("Group Members"),
"member" => _("Group Member DNs"),
"description" => _("Group Description")
);
$this->ldapHostAttributes = array (
"uid" => _("Host Username"),
"cn" => _("Host Name"),
"rid" => _("RID (Windows UID)"),
"description" => _("Host Description")
);
}
// connects to the server using the given username and password
// $base is optional and specifies the root from where to search for entries
// if connect succeeds the server handle is returned
function connect($user, $passwd) {
// close any prior connection
@$this->close();
// do not allow anonymous bind
if ((!$user)||($user == "")||(!$passwd)) {
echo ("");
echo ("");
StatusMessage("ERROR", "", _("No username was specified or password is empty!"));
echo ("
" . _("Back to Login") . "");
exit;
}
// save password und username encrypted
$this->encrypt($user, $passwd);
$this->server = @ldap_connect($this->conf->get_ServerURL());
if ($this->server) {
// use LDAPv3
ldap_set_option($this->server, LDAP_OPT_PROTOCOL_VERSION, 3);
$bind = @ldap_bind($this->server, $user, $passwd);
if ($bind) {
// return server handle
return $this->server;
}
}
}
// closes connection to server
function close() {
ldap_close($this->server);
}
// searches LDAP for a specific user name
// and returns its DN entry
function search_username($name) {
if ($this->conf->get_samba3() == "yes") {
// users have the attribute "posixAccount" or "sambaSamAccount" and uid $name
$filter = "(&(|(objectClass=posixAccount) (objectClass=sambaSamAccount)) (uid=$name))";
}
else {
// users have the attribute "posixAccount" or "sambaAccount" and uid $name
$filter = "(&(|(objectClass=posixAccount) (objectClass=sambaAccount)) (uid=$name))";
}
$attrs = array();
$sr = @ldap_search($this->server, $this->conf->get_UserSuffix(), $filter, $attrs);
if ($sr) {
$info = ldap_get_entries($this->server, $sr);
// return only first DN entry
$ret = $info[0]["dn"];
ldap_free_result($sr);
return $ret;
}
}
// returns an array with all organizational units under the given suffix
function search_units($suffix) {
$sr = @ldap_search($_SESSION["ldap"]->server(), $suffix, "objectClass=organizationalunit", array("DN"));
if ($sr) {
$units = ldap_get_entries($_SESSION["ldap"]->server, $sr);
// delete first array entry which is "count"
array_shift($units);
// remove sub arrays
for ($i = 0; $i < sizeof($units); $i++) $units[$i] = $units[$i]['dn'];
// add root suffix if needed
if (!in_array($suffix, $units)) {
array_push($units, $suffix);
}
}
return $units;
}
// returns the LDAP connection handle
function server() {
return $this->server;
}
// closes connection to LDAP server before serialization
function __sleep() {
$this->close();
// define which attributes to save
return array("conf", "username", "password", "ldapUserAttributes", "ldapGroupAttributes", "ldapHostAttributes");
}
// reconnects to LDAP server when deserialized
function __wakeup() {
$data = $this->decrypt();
$this->connect($data[0], $data[1]);
}
// encrypts username and password
function encrypt($username, $password) {
// read key and iv from cookie
$iv = base64_decode($_COOKIE["IV"]);
$key = base64_decode($_COOKIE["Key"]);
// encrypt username and password
$this->username = base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $key, $username, MCRYPT_MODE_ECB, $iv));
$this->password = base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $key, $password, MCRYPT_MODE_ECB, $iv));
}
// decrypts username and password
function decrypt() {
// read key and iv from cookie
$iv = base64_decode($_COOKIE["IV"]);
$key = base64_decode($_COOKIE["Key"]);
// decrypt username and password
$username = mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, base64_decode($this->username), MCRYPT_MODE_ECB, $iv);
$password = mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, base64_decode($this->password), MCRYPT_MODE_ECB, $iv);
$ret = array($username, $password);
$ret[0] = str_replace(chr(00), "", $ret[0]);
$ret[1] = str_replace(chr(00), "", $ret[1]);
return $ret;
}
// closes connection to LDAP server and deletes encrypted username/password
function destroy() {
$this->close();
$this->username="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
$this->password="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
}
// returns an array that contains LDAP attribute names and their description
function attributeUserArray() {
return $this->ldapUserAttributes;
}
// returns an array that contains LDAP attribute names and their description
function attributeGroupArray() {
return $this->ldapGroupAttributes;
}
// returns an array that contains LDAP attribute names and their description
function attributeHostArray() {
return $this->ldapHostAttributes;
}
}
?>