diff options
Diffstat (limited to 'system/core')
| -rwxr-xr-x | system/core/CodeIgniter.php | 2 | ||||
| -rwxr-xr-x | system/core/Common.php | 2 | ||||
| -rwxr-xr-x | system/core/Config.php | 12 | ||||
| -rwxr-xr-x | system/core/Input.php | 71 | ||||
| -rwxr-xr-x | system/core/Security.php | 51 |
5 files changed, 68 insertions, 70 deletions
diff --git a/system/core/CodeIgniter.php b/system/core/CodeIgniter.php index cd3333331..c16c79c09 100755 --- a/system/core/CodeIgniter.php +++ b/system/core/CodeIgniter.php @@ -33,7 +33,7 @@ * @var string * */ - define('CI_VERSION', '2.1.2'); + define('CI_VERSION', '2.1.3'); /** * CodeIgniter Branch (Core = TRUE, Reactor = FALSE) diff --git a/system/core/Common.php b/system/core/Common.php index d79375475..07534c51f 100755 --- a/system/core/Common.php +++ b/system/core/Common.php @@ -187,7 +187,7 @@ if ( ! function_exists('load_class')) */ if ( ! function_exists('is_loaded')) { - function is_loaded($class = '') + function &is_loaded($class = '') { static $_is_loaded = array(); diff --git a/system/core/Config.php b/system/core/Config.php index 714c4667b..5dffbf3f2 100755 --- a/system/core/Config.php +++ b/system/core/Config.php @@ -99,12 +99,12 @@ class CI_Config { $found = FALSE; $loaded = FALSE; + $check_locations = defined('ENVIRONMENT') + ? array(ENVIRONMENT.'/'.$file, $file) + : array($file); + foreach ($this->_config_paths as $path) { - $check_locations = defined('ENVIRONMENT') - ? array(ENVIRONMENT.'/'.$file, $file) - : array($file); - foreach ($check_locations as $location) { $file_path = $path.'config/'.$location.'.php'; @@ -168,7 +168,7 @@ class CI_Config { { return FALSE; } - show_error('The configuration file '.$file.'.php'.' does not exist.'); + show_error('The configuration file '.$file.'.php does not exist.'); } return TRUE; @@ -279,7 +279,7 @@ class CI_Config { */ function base_url($uri = '') { - return $this->slash_item('base_url').ltrim($this->_uri_string($uri),'/'); + return $this->slash_item('base_url').ltrim($this->_uri_string($uri), '/'); } // ------------------------------------------------------------- diff --git a/system/core/Input.php b/system/core/Input.php index 3559d8607..0c1f2b08e 100755 --- a/system/core/Input.php +++ b/system/core/Input.php @@ -73,13 +73,13 @@ class CI_Input { */ protected $headers = array(); - /** * Constructor * * Sets whether to globally enable the XSS processing * and whether to allow the $_GET array * + * @return void */ public function __construct() { @@ -306,50 +306,49 @@ class CI_Input { /** * Fetch the IP Address * - * @access public * @return string */ - function ip_address() + public function ip_address() { if ($this->ip_address !== FALSE) { return $this->ip_address; } - if (config_item('proxy_ips') != '' && $this->server('HTTP_X_FORWARDED_FOR') && $this->server('REMOTE_ADDR')) + $proxy_ips = config_item('proxy_ips'); + if ( ! empty($proxy_ips)) { - $proxies = preg_split('/[\s,]/', config_item('proxy_ips'), -1, PREG_SPLIT_NO_EMPTY); - $proxies = is_array($proxies) ? $proxies : array($proxies); + $proxy_ips = explode(',', str_replace(' ', '', $proxy_ips)); + foreach (array('HTTP_X_FORWARDED_FOR', 'HTTP_CLIENT_IP', 'HTTP_X_CLIENT_IP', 'HTTP_X_CLUSTER_CLIENT_IP') as $header) + { + if (($spoof = $this->server($header)) !== FALSE) + { + // Some proxies typically list the whole chain of IP + // addresses through which the client has reached us. + // e.g. client_ip, proxy_ip1, proxy_ip2, etc. + if (strpos($spoof, ',') !== FALSE) + { + $spoof = explode(',', $spoof, 2); + $spoof = $spoof[0]; + } - $this->ip_address = in_array($_SERVER['REMOTE_ADDR'], $proxies) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : $_SERVER['REMOTE_ADDR']; - } - elseif ($this->server('REMOTE_ADDR') AND $this->server('HTTP_CLIENT_IP')) - { - $this->ip_address = $_SERVER['HTTP_CLIENT_IP']; - } - elseif ($this->server('REMOTE_ADDR')) - { - $this->ip_address = $_SERVER['REMOTE_ADDR']; - } - elseif ($this->server('HTTP_CLIENT_IP')) - { - $this->ip_address = $_SERVER['HTTP_CLIENT_IP']; - } - elseif ($this->server('HTTP_X_FORWARDED_FOR')) - { - $this->ip_address = $_SERVER['HTTP_X_FORWARDED_FOR']; - } + if ( ! $this->valid_ip($spoof)) + { + $spoof = FALSE; + } + else + { + break; + } + } + } - if ($this->ip_address === FALSE) - { - $this->ip_address = '0.0.0.0'; - return $this->ip_address; + $this->ip_address = ($spoof !== FALSE && in_array($_SERVER['REMOTE_ADDR'], $proxy_ips, TRUE)) + ? $spoof : $_SERVER['REMOTE_ADDR']; } - - if (strpos($this->ip_address, ',') !== FALSE) + else { - $x = explode(',', $this->ip_address); - $this->ip_address = trim(end($x)); + $this->ip_address = $_SERVER['REMOTE_ADDR']; } if ( ! $this->valid_ip($this->ip_address)) @@ -642,8 +641,8 @@ class CI_Input { $_SERVER['PHP_SELF'] = strip_tags($_SERVER['PHP_SELF']); - // CSRF Protection check - if ($this->_enable_csrf == TRUE) + // CSRF Protection check on HTTP requests + if ($this->_enable_csrf == TRUE && ! $this->is_cli_request()) { $this->security->csrf_verify(); } @@ -837,11 +836,11 @@ class CI_Input { * * Test to see if a request was made from the command line * - * @return boolean + * @return bool */ public function is_cli_request() { - return (php_sapi_name() == 'cli') or defined('STDIN'); + return (php_sapi_name() === 'cli' OR defined('STDIN')); } } diff --git a/system/core/Security.php b/system/core/Security.php index 7af240ded..00089d765 100755 --- a/system/core/Security.php +++ b/system/core/Security.php @@ -98,26 +98,32 @@ class CI_Security { /** * Constructor + * + * @return void */ public function __construct() { - // CSRF config - foreach(array('csrf_expire', 'csrf_token_name', 'csrf_cookie_name') as $key) + // Is CSRF protection enabled? + if (config_item('csrf_protection') === TRUE) { - if (FALSE !== ($val = config_item($key))) + // CSRF config + foreach (array('csrf_expire', 'csrf_token_name', 'csrf_cookie_name') as $key) { - $this->{'_'.$key} = $val; + if (FALSE !== ($val = config_item($key))) + { + $this->{'_'.$key} = $val; + } } - } - // Append application specific cookie prefix - if (config_item('cookie_prefix')) - { - $this->_csrf_cookie_name = config_item('cookie_prefix').$this->_csrf_cookie_name; - } + // Append application specific cookie prefix + if (config_item('cookie_prefix')) + { + $this->_csrf_cookie_name = config_item('cookie_prefix').$this->_csrf_cookie_name; + } - // Set the CSRF hash - $this->_csrf_set_hash(); + // Set the CSRF hash + $this->_csrf_set_hash(); + } log_message('debug', "Security Class Initialized"); } @@ -131,15 +137,14 @@ class CI_Security { */ public function csrf_verify() { - // If no POST data exists we will set the CSRF cookie - if (count($_POST) == 0) + // If it's not a POST request we will set the CSRF cookie + if (strtoupper($_SERVER['REQUEST_METHOD']) !== 'POST') { return $this->csrf_set_cookie(); } // Do the tokens exist in both the _POST and _COOKIE arrays? - if ( ! isset($_POST[$this->_csrf_token_name]) OR - ! isset($_COOKIE[$this->_csrf_cookie_name])) + if ( ! isset($_POST[$this->_csrf_token_name], $_COOKIE[$this->_csrf_cookie_name])) { $this->csrf_show_error(); } @@ -159,7 +164,7 @@ class CI_Security { $this->_csrf_set_hash(); $this->csrf_set_cookie(); - log_message('debug', "CSRF token verified "); + log_message('debug', 'CSRF token verified'); return $this; } @@ -176,14 +181,9 @@ class CI_Security { $expire = time() + $this->_csrf_expire; $secure_cookie = (config_item('cookie_secure') === TRUE) ? 1 : 0; - if ($secure_cookie) + if ($secure_cookie && (empty($_SERVER['HTTPS']) OR strtolower($_SERVER['HTTPS']) === 'off')) { - $req = isset($_SERVER['HTTPS']) ? $_SERVER['HTTPS'] : FALSE; - - if ( ! $req OR $req == 'off') - { - return FALSE; - } + return FALSE; } setcookie($this->_csrf_cookie_name, $this->_csrf_hash, $expire, config_item('cookie_path'), config_item('cookie_domain'), $secure_cookie); @@ -871,7 +871,6 @@ class CI_Security { } } -// END Security Class /* End of file Security.php */ -/* Location: ./system/libraries/Security.php */ +/* Location: ./system/libraries/Security.php */
\ No newline at end of file |