diff options
Diffstat (limited to 'phpBB/includes/captcha/plugins/captcha_abstract.php')
| -rw-r--r-- | phpBB/includes/captcha/plugins/captcha_abstract.php | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/phpBB/includes/captcha/plugins/captcha_abstract.php b/phpBB/includes/captcha/plugins/captcha_abstract.php index 621fea414a..4f494b9c69 100644 --- a/phpBB/includes/captcha/plugins/captcha_abstract.php +++ b/phpBB/includes/captcha/plugins/captcha_abstract.php @@ -29,6 +29,8 @@ abstract class phpbb_default_captcha implements phpbb_captcha_plugin protected $type; protected $solved = false; + protected $min_chars = 4; + protected $max_chars = 7; function init($type) { @@ -46,7 +48,7 @@ abstract class phpbb_default_captcha implements phpbb_captcha_plugin function execute_demo() { - $this->code = gen_rand_string(mt_rand(5, 8)); + $this->code = gen_rand_string(mt_rand($this->min_chars, $this->max_chars)); $this->seed = hexdec(substr(unique_id(), 4, 10)); // compute $seed % 0x7fffffff @@ -188,10 +190,11 @@ abstract class phpbb_default_captcha implements phpbb_captcha_plugin */ protected function generate_code() { - $this->code = gen_rand_string(mt_rand(5, 8)); + $this->code = gen_rand_string(mt_rand($this->min_chars, $this->max_chars)); $this->confirm_id = md5(unique_id(phpbb::$user->ip)); $this->seed = hexdec(substr(unique_id(), 4, 10)); $this->solved = false; + // compute $seed % 0x7fffffff $this->seed -= 0x7fffffff * floor($this->seed / 0x7fffffff); |