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<?php
/*
Copyright (c) 2006 Karl Vollmer
All rights reserved.
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.
*/
/**
* Authenticate library
* Yup!
*/
/**
* authenticate
* This takes a username and passwords and returns false on failure
* on success it returns true, and the username + type in an array
*/
function authenticate($username,$password) {
/* Don't even try if stop auth is in place */
if (file_exists(vauth_conf('stop_auth'))) {
return false;
}
/* Call the functions! */
$results = vauth_mysql_auth($username,$password);
return $results;
} // authenticate
/**
* vauth_mysql_auth
* This functions does mysql authentication againsts a user table
* That has a username and a password field change it if you don't like it!
*/
function vauth_mysql_auth($username,$password) {
$username = sql_escape($username);
$password = sql_escape($password);
$password_check_sql = "PASSWORD('$password')";
$sql = "SELECT password FROM user WHERE username='$username'";
$db_results = mysql_query($sql, vauth_dbh());
$row = mysql_fetch_row($db_results);
$sql = "SELECT version()";
$db_results = mysql_query($sql, vauth_dbh());
$version = mysql_fetch_row($db_results);
$mysql_version = substr(preg_replace("/(\d+)\.(\d+)\.(\d+).*/","$1$2$3",$version[0]),0,3);
if ($mysql_version > "409" AND substr($row[0],0,1) !== "*") {
$password_check_sql = "OLD_PASSWORD('$password')";
}
$sql = "SELECT username FROM user WHERE username='$username' AND $password_check_sql";
$db_results = mysql_query($sql, vauth_dbh());
$results = mysql_fetch_assoc($db_results);
if (!$results) {
return false;
}
$results['type'] = 'mysql';
$results['success'] = true;
return $results;
} // vauth_mysql_auth
?>
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