Try to validate the user's login credentials locally.

Parameters

$name: User name to authenticate.

$password: A plain-text password, such as trimmed text from form values.

Return value

The user's uid on success, or FALSE on failure to authenticate.

1 call to user_authenticate()

user_login_authenticate_validate in modules/user/user.module

A validate handler on the login form. Check supplied username/password against local users table. If successful, $form_state['uid'] is set to the matching user ID.

File

modules/user/user.module, line 2293

Code

function user_authenticate ($name, $password) {
 $uid = FALSE;
 if (!empty($name) && strlen (trim ($password)) > 0) {
 $account = user_load_by_name ($name);
 if ($account) {
 // Allow alternate password hashing schemes.
 require_once DRUPAL_ROOT  . '/' . variable_get ('password_inc', 'includes/password.inc');
 if (user_check_password ($password, $account)) {
 // Successful authentication.
 $uid = $account->uid;
 // Update user to new password scheme if needed.
 if (user_needs_new_hash ($account)) {
 user_save ($account, array(
 'pass' => $password,
 ));
 }
 }
 }
 }
 return $uid;
}

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