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Reduce check time for recently banned IPs 

Reduces the effect of getting the password wrong immediately after being
unbanned gets you instantly banned again.
develop
Steve Allison 2013-02-21 18:24:46 +00:00
parent 79a17a725d
commit 3f0ea7079a
1 changed files with 12 additions and 4 deletions
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12
defense.php
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@ -331,6 +331,16 @@ class defense extends rcube_plugin {
// Check if banned now that above record has been updated
$rTime = (time() - $this->fail_reset); // How far to look back for failed logins
// Check if last ban lifted was within rTime
$row = $this->getPreviousBanData($this->ipaddr);
if ($row) {
$data = unserialize($row['data']);
$banLifted = $row['epoch'] + $data['duration'];
if ($rTime < $banLifted) {
// If IP was unbanned recently, only check since it was unbanned
$rTime = $banLifted;
}
}
$query = sprintf("SELECT count(*) AS n FROM %s WHERE ipaddr = '%s' AND epoch >= %d", $this->db_table, $this->ipaddr, $rTime);
$result = $this->rc->db->query($query);
if (!$result) { $this->dbError($query); return false; }
@ -369,8 +379,6 @@ class defense extends rcube_plugin {
return $args;
}
}
/**