WooYun.org

http://localhost/Tipask_v2.5_UTF8/tipask/?user/register.html

function refresh($uid, $islogin = 1, $cookietime = 0) {
        @$sid = tcookie('sid');
        $this->base->user = $this->db->fetch_first("SELECT * FROM " . DB_TABLEPRE . "user u," . DB_TABLEPRE . "usergroup g WHERE u.uid=$uid AND u.groupid=g.groupid");
        $this->db->query("UPDATE " . DB_TABLEPRE . "user SET `lastlogin`={$this->base->time}  WHERE `uid`=$uid"); //更新最后登录时间
        $this->db->query("REPLACE INTO " . DB_TABLEPRE . "session (sid,uid,islogin,ip,`time`) VALUES ('$sid',$uid,$islogin,'{$this->base->ip}',{$this->base->time})");
        $password = $this->base->user['password'];
        $auth = authcode("$uid\t$password", 'ENCODE');
        if ($cookietime)
            tcookie('auth', $auth, $cookietime);
        else
            tcookie('auth', $auth);
        tcookie('loginuser', '');
        $this->base->user['newmsg'] = 0;
    }

function tcookie($var, $value = 0, $life = 0) {
    global $setting;
    $cookiepre = $setting['cookie_pre'] ? $setting['cookie_pre'] : 't_';
    if (0 === $value) {
        $ret = isset($_COOKIE[$cookiepre . $var]) ? $_COOKIE[$cookiepre . $var] : '';
        checkattack($var, 'cookie');
        return $ret;
    } else {
        $domain = $setting['cookie_domain'] ? $setting['cookie_domain'] : '';
        checkattack($var, 'cookie');
        setcookie($cookiepre . $var, $value, $life ? time() + $life : 0, '/', $domain, $_SERVER['SERVER_PORT'] == 443 ? 1 : 0);
    }
}

function checkattack($reqarr, $reqtype = 'post') {
    $filtertable = array(
        'get' => '\'|(and|or)\\b.+?(>|<|=|in|like)|\\/\\*.+?\\*\\/|<\\s*script\\b|\\bEXEC\\b|UNION.+?SELECT|UPDATE.+?SET|INSERT\\s+INTO.+?VALUES|(SELECT|DELETE).+?FROM|(CREATE|ALTER|DROP|TRUNCATE)\\s+(TABLE|DATABASE)',
        'post' => '\\b(and|or)\\b.{1,6}?(=|>|<|\\bin\\b|\\blike\\b)|\\/\\*.+?\\*\\/|<\\s\\b|\\bEXEC\\b|UNION.+?SELECT|UPDATE.+?SET|INSERT\\s+INTO.+?VALUES|(SELECT|DELETE).+?FROM|(CREATE|ALTER|DROP|TRUNCATE)\\s+(TABLE|DATABASE)',
        'cookie' => '\\b(and|or)\\b.{1,6}?(=|>|<|\\bin\\b|\\blike\\b)|\\/\\*.+?\\*\\/|<\\s*script\\b|\\bEXEC\\b|UNION.+?SELECT|UPDATE.+?SET|INSERT\\s+INTO.+?VALUES|(SELECT|DELETE).+?FROM|(CREATE|ALTER|DROP|TRUNCATE)\\s+(TABLE|DATABASE)'
    );
    foreach ($reqarr as $reqkey => $reqvalue) {
        if (preg_match("/" . $filtertable[$reqtype] . "/is", $reqvalue) == 1 && !in_array($reqkey, array('content'))) {
            print('Illegal operation!');
            exit(-1);
        }
    }
}