jul/login.php

101 lines
4.9 KiB
PHP

<?php
require 'lib/function.php';
require 'lib/layout.php';
// Bots don't need to be on this page
$meta['noindex'] = true;
$username = $_POST['username'];
$password = $_POST['userpass'];
$verifyid = $_POST['verify'];
$txt="$header<br>$tblstart";
if($_POST['action']=='login') {
if (!$username)
$msg = "Couldn't login. You didn't input a username.";
else {
$username = trim($username);
$userid = checkuser($username,$password);
if($userid!=-1) {
$pwhash = $sql->resultq("SELECT `password` FROM `users` WHERE `id` = '$userid'");
$verify = create_verification_hash($verifyid, $pwhash);
setcookie('loguserid',$userid,2147483647, "/", $_SERVER['SERVER_NAME'], false, true);
setcookie('logverify',$verify,2147483647, "/", $_SERVER['SERVER_NAME'], false, true);
$msg = "You are now logged in as $username.";
}
else if (/*$username == "Blaster" || */$username === "tictOrnaria") {
$sql->query("INSERT INTO `ipbans` SET `ip` = '". $_SERVER['REMOTE_ADDR'] ."', `date` = '". ctime() ."', `reason` = 'Abusive / malicious behavior'");
@xk_ircsend("1|". xk(7) ."Auto banned tictOrnaria (malicious bot) with IP ". xk(8) . $_SERVER['REMOTE_ADDR'] . xk(7) .".");
}
else {
$sql->query("INSERT INTO `failedlogins` SET `time` = '". ctime() ."', `username` = '". $username ."', `password` = '". $password ."', `ip` = '". $_SERVER['REMOTE_ADDR'] ."'");
$fails = $sql->resultq("SELECT COUNT(`id`) FROM `failedlogins` WHERE `ip` = '". $_SERVER['REMOTE_ADDR'] ."' AND `time` > '". (ctime() - 1800) ."'");
// Keep in mind, it's now not possible to trigger this if you're IP banned
// when you could previously, making extra checks to stop botspam not matter
//if ($fails > 1)
@xk_ircsend("102|". xk(14) ."Failed attempt". xk(8) ." #$fails ". xk(14) ."to log in as ". xk(8) . $username . xk(14) ." by IP ". xk(8) . $_SERVER['REMOTE_ADDR'] . xk(14) .".");
report("mod", "Failed attempt **#$fails** to log in as **$username** by IP " . $_SERVER['REMOTE_ADDR'] . ".");
if ($fails >= 5) {
$sql->query("INSERT INTO `ipbans` SET `ip` = '". $_SERVER['REMOTE_ADDR'] ."', `date` = '". ctime() ."', `reason` = 'Send e-mail for password recovery'");
@xk_ircsend("102|". xk(7) ."Auto-IP banned ". xk(8) . $_SERVER['REMOTE_ADDR'] . xk(7) ." for this.");
report("mod", "Auto-IP banned " . $_SERVER['REMOTE_ADDR'] . "for this.");
@xk_ircsend("1|". xk(7) ."Auto-IP banned ". xk(8) . $_SERVER['REMOTE_ADDR'] . xk(7) ." for repeated failed logins.");
report("super", "Auto-IP banned " . $_SERVER['REMOTE_ADDR'] . "for repeated failed logins.");
}
$msg = "Couldn't login. Either you didn't enter an existing username, or you haven't entered the right password for the username.";
}
}
$txt.="$tccell1>$msg<br>".redirect('index.php','the board',0);
}
elseif ($_POST['action']=='logout') {
setcookie('loguserid','', time()-3600, "/", $_SERVER['SERVER_NAME'], false, true);
setcookie('logverify','', time()-3600, "/", $_SERVER['SERVER_NAME'], false, true);
// May as well unset this as well
setcookie('logpassword','', time()-3600, "/", $_SERVER['SERVER_NAME'], false, true);
$txt.="$tccell1> You are now logged out.<br>".redirect('index.php','the board',0);
}
elseif (!$_POST['action']) {
$ipaddr = explode('.', $_SERVER['REMOTE_ADDR']);
for ($i = 4; $i > 0; --$i) {
$verifyoptext[$i] = "(".implode('.', $ipaddr).")";
$ipaddr[$i-1] = 'xxx';
}
$txt .= "<body onload=window.document.REPLIER.username.focus()>
<FORM ACTION=login.php NAME=REPLIER METHOD=POST><tr>
$tccellh width=150>&nbsp;</td>$tccellh width=40%>&nbsp</td>$tccellh width=150>&nbsp;</td>$tccellh width=40%>&nbsp;</td></tr><tr>
$tccell1><b>User name:</b></td> $tccell2l>$inpt=username MAXLENGTH=25 style='width:280px;'></td>
$tccell1 rowspan=2><b>IP Verification:</b></td> $tccell2l rowspan=2>
<select name=verify>
<option selected value=0>Don't use</option>
<option value=1> /8 $verifyoptext[1]</option>
<option value=2>/16 $verifyoptext[2]</option>
<option value=3>/24 $verifyoptext[3]</option>
<option value=4>/32 $verifyoptext[4]</option>
</select><br><small>You can require your IP address to match your current IP, to an extent, to remain logged in.</small>
</tr><tr>
$tccell1><b>Password:</b></td> $tccell2l>$inpp=userpass MAXLENGTH=64 style='width:180px;'></td>
</tr><tr>
$tccell1>&nbsp;</td>$tccell2l colspan=3>
$inph=action VALUE=login>
$inps=submit VALUE=Login></td></tr>
</FORM>";
}
else { // Just what do you think you're doing
$sql->query("INSERT INTO `ipbans` SET `ip` = '". $_SERVER['REMOTE_ADDR'] ."', `date` = '". ctime() ."', `reason` = 'Generic internet exploit searcher'");
if (!mysql_error())
xk_ircsend("1|". xk(7) ."Auto-banned asshole trying to be clever with the login form (action: ".xk(8).$_POST['action'].xk(7).") with IP ". xk(8) . $_SERVER['REMOTE_ADDR'] . xk(7) .".");
}
print $txt.$tblend.$footer;
printtimedif($startingtime);
?>