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* ActiveDirectory: real password change (not reset) for PHP 5.4>=5.4.26, 5.5>=5.5.10, 5.6+ (subject to minimum password age policy!)

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This commit is contained in:
Ralf Becker 2015-03-29 15:23:22 +00:00
parent 8d7ab2f06c
commit 1f70db76b1
2 changed files with 99 additions and 4 deletions
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94
phpgwapi/inc/class.accounts_ads.inc.php
View File

@ -1433,6 +1433,80 @@ class adLDAPUsers_egw extends adLDAPUsers
return $result;
}
/**
* Check if we can to a real password change, not just a password reset
*
* Requires PHP 5.4 >= 5.4.26, PHP 5.5 >= 5.5.10 or PHP 5.6 >= 5.6.0
*
* @return boolean
*/
public static function changePasswordSupported()
{
return function_exists('ldap_modify_batch');
}
/**
* Set the password of a user - This must be performed over SSL
*
* @param string $username The username to modify
* @param string $password The new password
* @param bool $isGUID Is the username passed a GUID or a samAccountName
* @param string $old_password old password for password change, if supported
* @return bool
*/
public function password($username, $password, $isGUID = false, $old_password=null)
{
if ($username === NULL) { return false; }
if ($password === NULL) { return false; }
if (!$this->adldap->getLdapBind()) { return false; }
if (!$this->adldap->getUseSSL() && !$this->adldap->getUseTLS()) {
throw new adLDAPException('SSL must be configured on your webserver and enabled in the class to set passwords.');
}
$userDn = $this->dn($username, $isGUID);
if ($userDn === false) {
return false;
}
$add=array();
if (empty($old_password) || !function_exists('ldap_modify_batch')) {
$add["unicodePwd"][0] = $this->encodePassword($password);
$result = @ldap_mod_replace($this->adldap->getLdapConnection(), $userDn, $add);
}
else {
$mods = array(
array(
"attrib" => "unicodePwd",
"modtype" => LDAP_MODIFY_BATCH_REMOVE,
"values" => array($this->encodePassword($old_password)),
),
array(
"attrib" => "unicodePwd",
"modtype" => LDAP_MODIFY_BATCH_ADD,
"values" => array($this->encodePassword($password)),
),
);
$result = ldap_modify_batch($this->adldap->getLdapConnection(), $userDn, $mods);
}
if ($result === false){
$err = ldap_errno($this->adldap->getLdapConnection());
if ($err) {
$msg = 'Error ' . $err . ': ' . ldap_err2str($err) . '.';
if($err == 53) {
$msg .= ' Your password might not match the password policy.';
}
throw new adLDAPException($msg);
}
else {
return false;
}
}
return true;
}
/**
* Modify a user
*
@ -1550,4 +1624,24 @@ class adLDAPUtils_egw extends adLDAPUtils
{
return $this->adldap->encode8bit($item, $key);
}
/**
* Escape strings for the use in LDAP filters
*
* DEVELOPERS SHOULD BE DOING PROPER FILTERING IF THEY'RE ACCEPTING USER INPUT
* Ported from Perl's Net::LDAP::Util escape_filter_value
*
* @param string $str The string the parse
* @author Port by Andreas Gohr <andi@splitbrain.org>
* @return string
*/
public function ldapSlashes($str){
return preg_replace_callback(
'/([\x00-\x1F\*\(\)\\\\])/',
function ($matches) {
return "\\".join("", unpack("H2", $matches[1]));
},
$str
);
}
}

9
phpgwapi/inc/class.auth_ads.inc.php
View File

@ -219,14 +219,15 @@ class auth_ads implements auth_backend
$admin = true;
$username = $GLOBALS['egw']->accounts->id2name($account_id);
}
// Check the old_passwd to make sure this is legal
if(!$admin && !$this->authenticate($username, $old_passwd))
// Check the old_passwd to make sure this is legal, if we dont support password change
if (!$admin && (!method_exists($adldap->user(), 'passwordChangeSupported') ||
!$adldap->user()->passwordChangeSupported()) && !$this->authenticate($username, $old_passwd))
{
//error_log(__METHOD__."() old password '$old_passwd' for '$username' is wrong!");
return false;
}
try {
$ret = $adldap->user()->password($username, $new_passwd);
$ret = $adldap->user()->password($username, $new_passwd, false, $old_passwd);
//error_log(__METHOD__."('$old_passwd', '$new_passwd', $account_id) admin=$admin adldap->user()->password('$username', '$new_passwd') returned ".array2string($ret));
return $ret;
}
@ -243,7 +244,7 @@ class auth_ads implements auth_backend
'Server is unwilling to perform.' => lang('Server is unwilling to perform.'),
'Your password might not match the password policy.' => lang('Your password might not match the password policy.'),
));
throw new egw_exception('<p><b>'.lang('Failed to change password.')."</b></p>\n".$msg.($error ? "\n<p>".$error."</p>\n" : ''));
throw new egw_exception('<p>'.lang('Failed to change password.')."</p>\n".$msg.($error ? "\n<p>".$error."</p>\n" : ''));
}
return false;
}