diff options
Diffstat (limited to 'system')
| -rw-r--r-- | system/core/Input.php | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/system/core/Input.php b/system/core/Input.php index 5b8e62389..657fce625 100644 --- a/system/core/Input.php +++ b/system/core/Input.php @@ -330,10 +330,10 @@ class CI_Input { if (config_item('proxy_ips') != '' && $this->server('HTTP_X_FORWARDED_FOR') && $this->server('REMOTE_ADDR')) { - $has_ranges = strpos($proxies, '/') !== false; + $has_ranges = strpos($proxies, '/') !== FALSE; $proxies = preg_split('/[\s,]/', config_item('proxy_ips'), -1, PREG_SPLIT_NO_EMPTY); $proxies = is_array($proxies) ? $proxies : array($proxies); - + if ($has_ranges) { $long_ip = ip2long($_SERVER['REMOTE_ADDR']); @@ -341,21 +341,25 @@ class CI_Input { // Go through each of the IP Addresses to check for and // test against range notation - foreach($proxies as $ip) + foreach ($proxies as $ip) { - list($address, $mask_length) = explode('/', $ip); + list($address, $mask_length) = explode('/', $ip, 2); // Generate the bitmask for a 32 bit IP Address - $bitmask = $bit_32 - (1 << (32 - (int)$mask_length)); - if (($long_ip & $bitmask) == $address) + $bitmask = $bit_32 - (1 << (32 - (int) $mask_length)); + if (($long_ip & $bitmask) === $address) { $this->ip_address = $_SERVER['HTTP_X_FORWARDED_FOR']; break; } } - } else { - $this->ip_address = in_array($_SERVER['REMOTE_ADDR'], $proxies) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : $_SERVER['REMOTE_ADDR']; + } + else + { + $this->ip_address = in_array($_SERVER['REMOTE_ADDR'], $proxies) + ? $_SERVER['HTTP_X_FORWARDED_FOR'] + : $_SERVER['REMOTE_ADDR']; } } elseif ( ! $this->server('HTTP_CLIENT_IP') && $this->server('REMOTE_ADDR')) |