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- Fixed race condition in session handler. Patch by Kjartan.

4.4.x
Dries Buytaert 2003-12-13 13:00:47 +00:00
parent f153bcb9bb
commit 1c0155bc9d
1 changed files with 3 additions and 9 deletions
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12
includes/session.inc
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@ -1,4 +1,5 @@
<?php
// $Id$
session_set_save_handler("sess_open", "sess_close", "sess_read", "sess_write", "sess_destroy", "sess_gc");
session_start();
@ -16,12 +17,11 @@ function sess_close() {
function sess_read($key) {
global $user;
if ($key) {
$result = db_query_range("SELECT u.*, s.*, r.name AS role FROM {users} u INNER JOIN {role} r ON u.rid = r.rid INNER JOIN {sessions} s ON u.uid = s.uid WHERE s.sid = '%s' AND u.status < 3", $key, 0, 1);
}
$result = db_query_range("SELECT u.*, s.*, r.name AS role FROM {users} u INNER JOIN {role} r ON u.rid = r.rid INNER JOIN {sessions} s ON u.uid = s.uid WHERE s.sid = '%s' AND u.status < 3", $key, 0, 1);
if (!db_num_rows($result)) {
$result = db_query("SELECT u.*, r.name AS role FROM {users} u INNER JOIN {role} r ON u.rid = r.rid WHERE u.uid = 0");
db_query("INSERT INTO {sessions} (uid, sid, hostname, session, timestamp) values(%d, '%s', '%s', '%s', %d)", $user->uid, $key, $_SERVER["REMOTE_ADDR"], $value, time());
}
$user = db_fetch_object($result);
@ -41,17 +41,11 @@ function sess_write($key, $value) {
db_query("UPDATE {sessions} SET uid = %d, hostname = '%s', session = '%s', timestamp = %d WHERE sid = '%s'", $user->uid, $_SERVER["REMOTE_ADDR"], $value, time(), $key);
if (!db_affected_rows()) {
db_query("INSERT INTO {sessions} (uid, sid, hostname, session, timestamp) values(%d, '%s', '%s', '%s', %d)", $user->uid, $key, $_SERVER["REMOTE_ADDR"], $value, time());
}
return '';
}
function sess_destroy($key) {
db_query("DELETE FROM {sessions} WHERE sid = '$key'");
}
function sess_gc($lifetime) {