cacert-webdb/includes/lib/general.php

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<? /*
LibreSSL - CAcert web application
Copyright (C) 2004-2011 CAcert Inc.
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; version 2 of the License.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* Checks if the user may log in and retrieve the user id
*
* Usually called with $_SERVER['SSL_CLIENT_M_SERIAL'] and
* $_SERVER['SSL_CLIENT_I_DN_CN']
*
* @param $serial string
* usually $_SERVER['SSL_CLIENT_M_SERIAL']
* @param $issuer_cn string
* usually $_SERVER['SSL_CLIENT_I_DN_CN']
* @return int
* the user id, -1 in case of error
*/
function get_user_id_from_cert($serial, $issuer_cn)
{
$query = "select `memid` from `emailcerts` where
`serial`='".mysql_escape_string($serial)."' and
`rootcert`= (select `id` from `root_certs` where
`Cert_Text`='".mysql_escape_string($issuer_cn)."') and
`revoked`=0 and disablelogin=0 and
UNIX_TIMESTAMP(`expire`) - UNIX_TIMESTAMP() > 0";
$res = mysql_query($query);
if(mysql_num_rows($res) > 0)
{
$row = mysql_fetch_assoc($res);
return intval($row['memid']);
}
return -1;
}
?>