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-rw-r--r--system/core/Common.php94
-rw-r--r--system/core/Input.php2
-rw-r--r--system/core/Security.php31
-rw-r--r--system/core/URI.php53
-rw-r--r--system/core/compat/index.html3
-rw-r--r--system/core/index.html3
6 files changed, 87 insertions, 99 deletions
diff --git a/system/core/Common.php b/system/core/Common.php
index 9f509745f..ee5a705b2 100644
--- a/system/core/Common.php
+++ b/system/core/Common.php
@@ -492,59 +492,63 @@ if ( ! function_exists('set_status_header'))
*/
function set_status_header($code = 200, $text = '')
{
- $stati = array(
- 200 => 'OK',
- 201 => 'Created',
- 202 => 'Accepted',
- 203 => 'Non-Authoritative Information',
- 204 => 'No Content',
- 205 => 'Reset Content',
- 206 => 'Partial Content',
-
- 300 => 'Multiple Choices',
- 301 => 'Moved Permanently',
- 302 => 'Found',
- 303 => 'See Other',
- 304 => 'Not Modified',
- 305 => 'Use Proxy',
- 307 => 'Temporary Redirect',
-
- 400 => 'Bad Request',
- 401 => 'Unauthorized',
- 403 => 'Forbidden',
- 404 => 'Not Found',
- 405 => 'Method Not Allowed',
- 406 => 'Not Acceptable',
- 407 => 'Proxy Authentication Required',
- 408 => 'Request Timeout',
- 409 => 'Conflict',
- 410 => 'Gone',
- 411 => 'Length Required',
- 412 => 'Precondition Failed',
- 413 => 'Request Entity Too Large',
- 414 => 'Request-URI Too Long',
- 415 => 'Unsupported Media Type',
- 416 => 'Requested Range Not Satisfiable',
- 417 => 'Expectation Failed',
- 422 => 'Unprocessable Entity',
-
- 500 => 'Internal Server Error',
- 501 => 'Not Implemented',
- 502 => 'Bad Gateway',
- 503 => 'Service Unavailable',
- 504 => 'Gateway Timeout',
- 505 => 'HTTP Version Not Supported'
- );
+ if (is_cli())
+ {
+ return;
+ }
if (empty($code) OR ! is_numeric($code))
{
show_error('Status codes must be numeric', 500);
}
- is_int($code) OR $code = (int) $code;
-
if (empty($text))
{
+ is_int($code) OR $code = (int) $code;
+ $stati = array(
+ 200 => 'OK',
+ 201 => 'Created',
+ 202 => 'Accepted',
+ 203 => 'Non-Authoritative Information',
+ 204 => 'No Content',
+ 205 => 'Reset Content',
+ 206 => 'Partial Content',
+
+ 300 => 'Multiple Choices',
+ 301 => 'Moved Permanently',
+ 302 => 'Found',
+ 303 => 'See Other',
+ 304 => 'Not Modified',
+ 305 => 'Use Proxy',
+ 307 => 'Temporary Redirect',
+
+ 400 => 'Bad Request',
+ 401 => 'Unauthorized',
+ 403 => 'Forbidden',
+ 404 => 'Not Found',
+ 405 => 'Method Not Allowed',
+ 406 => 'Not Acceptable',
+ 407 => 'Proxy Authentication Required',
+ 408 => 'Request Timeout',
+ 409 => 'Conflict',
+ 410 => 'Gone',
+ 411 => 'Length Required',
+ 412 => 'Precondition Failed',
+ 413 => 'Request Entity Too Large',
+ 414 => 'Request-URI Too Long',
+ 415 => 'Unsupported Media Type',
+ 416 => 'Requested Range Not Satisfiable',
+ 417 => 'Expectation Failed',
+ 422 => 'Unprocessable Entity',
+
+ 500 => 'Internal Server Error',
+ 501 => 'Not Implemented',
+ 502 => 'Bad Gateway',
+ 503 => 'Service Unavailable',
+ 504 => 'Gateway Timeout',
+ 505 => 'HTTP Version Not Supported'
+ );
+
if (isset($stati[$code]))
{
$text = $stati[$code];
diff --git a/system/core/Input.php b/system/core/Input.php
index a72c4ac1e..c3382b4d9 100644
--- a/system/core/Input.php
+++ b/system/core/Input.php
@@ -716,7 +716,7 @@ class CI_Input {
* only named with alpha-numeric text and a few other items.
*
* @param string $str Input string
- * @param string $fatal Whether to terminate script exection
+ * @param bool $fatal Whether to terminate script exection
* or to return FALSE if an invalid
* key is encountered
* @return string|bool
diff --git a/system/core/Security.php b/system/core/Security.php
index 7c18c7406..216f0e98b 100644
--- a/system/core/Security.php
+++ b/system/core/Security.php
@@ -639,7 +639,7 @@ class CI_Security {
$str_compare = $str;
// Decode standard entities, avoiding false positives
- if ($c = preg_match_all('/&[a-z]{2,}(?![a-z;])/i', $str, $matches))
+ if (preg_match_all('/&[a-z]{2,}(?![a-z;])/i', $str, $matches))
{
if ( ! isset($_entities))
{
@@ -664,7 +664,7 @@ class CI_Security {
$replace = array();
$matches = array_unique(array_map('strtolower', $matches[0]));
- for ($i = 0; $i < $c; $i++)
+ for ($i = 0, $c = count($matches); $i < $c; $i++)
{
if (($char = array_search($matches[$i].';', $_entities, TRUE)) !== FALSE)
{
@@ -784,30 +784,15 @@ class CI_Security {
}
do {
- $count = 0;
- $attribs = array();
+ $count = $temp_count = 0;
- // find occurrences of illegal attribute strings with quotes (042 and 047 are octal quotes)
- preg_match_all('/(?<!\w)('.implode('|', $evil_attributes).')\s*=\s*(\042|\047)([^\\2]*?)(\\2)/is', $str, $matches, PREG_SET_ORDER);
-
- foreach ($matches as $attr)
- {
- $attribs[] = preg_quote($attr[0], '/');
- }
+ // replace occurrences of illegal attribute strings with quotes (042 and 047 are octal quotes)
+ $str = preg_replace('/(<[^>]+)(?<!\w)('.implode('|', $evil_attributes).')\s*=\s*(\042|\047)([^\\2]*?)(\\2)/is', '$1[removed]', $str, -1, $temp_count);
+ $count += $temp_count;
// find occurrences of illegal attribute strings without quotes
- preg_match_all('/(?<!\w)('.implode('|', $evil_attributes).')\s*=\s*([^\s>]*)/is', $str, $matches, PREG_SET_ORDER);
-
- foreach ($matches as $attr)
- {
- $attribs[] = preg_quote($attr[0], '/');
- }
-
- // replace illegal attribute strings that are inside an html tag
- if (count($attribs) > 0)
- {
- $str = preg_replace('/(<?)(\/?[^><]+?)([^A-Za-z<>\-])(.*?)('.implode('|', $attribs).')(.*?)([\s><]?)([><]*)/i', '$1$2 $4$6$7$8', $str, -1, $count);
- }
+ $str = preg_replace('/(<[^>]+)(?<!\w)('.implode('|', $evil_attributes).')\s*=\s*([^\s>]*)/is', '$1[removed]', $str, -1, $temp_count);
+ $count += $temp_count;
}
while ($count);
diff --git a/system/core/URI.php b/system/core/URI.php
index 9bc34ace7..e96749456 100644
--- a/system/core/URI.php
+++ b/system/core/URI.php
@@ -107,37 +107,34 @@ class CI_URI {
$this->_permitted_uri_chars = $this->config->item('permitted_uri_chars');
// If it's a CLI request, ignore the configuration
- if (is_cli() OR ($protocol = strtoupper($this->config->item('uri_protocol'))) === 'CLI')
+ if (is_cli())
{
- $this->_set_uri_string($this->_parse_argv());
+ $uri = $this->_parse_argv();
}
- elseif ($protocol === 'AUTO')
+ else
{
- // Is there a PATH_INFO variable? This should be the easiest solution.
- if (isset($_SERVER['PATH_INFO']))
- {
- $this->_set_uri_string($_SERVER['PATH_INFO']);
- }
- // No PATH_INFO? Let's try REQUST_URI or QUERY_STRING then
- elseif (($uri = $this->_parse_request_uri()) !== '' OR ($uri = $this->_parse_query_string()) !== '')
- {
- $this->_set_uri_string($uri);
- }
- // As a last ditch effor, let's try using the $_GET array
- elseif (is_array($_GET) && count($_GET) === 1 && trim(key($_GET), '/') !== '')
+ $protocol = $this->config->item('uri_protocol');
+ empty($protocol) && $protocol = 'REQUEST_URI';
+
+ switch ($protocol)
{
- $this->_set_uri_string(key($_GET));
+ case 'AUTO': // For BC purposes only
+ case 'REQUEST_URI':
+ $uri = $this->_parse_request_uri();
+ break;
+ case 'QUERY_STRING':
+ $uri = $this->_parse_query_string();
+ break;
+ case 'PATH_INFO':
+ default:
+ $uri = isset($_SERVER[$protocol])
+ ? $_SERVER[$protocol]
+ : $this->_parse_request_uri();
+ break;
}
}
- elseif (method_exists($this, ($method = '_parse_'.strtolower($protocol))))
- {
- $this->_set_uri_string($this->$method());
- }
- else
- {
- $uri = isset($_SERVER[$protocol]) ? $_SERVER[$protocol] : @getenv($protocol);
- $this->_set_uri_string($uri);
- }
+
+ $this->_set_uri_string($uri);
}
log_message('info', 'URI Class Initialized');
@@ -206,7 +203,7 @@ class CI_URI {
$uri = parse_url($_SERVER['REQUEST_URI']);
$query = isset($uri['query']) ? $uri['query'] : '';
- $uri = isset($uri['path']) ? rawurldecode($uri['path']) : '';
+ $uri = isset($uri['path']) ? $uri['path'] : '';
if (strpos($uri, $_SERVER['SCRIPT_NAME']) === 0)
{
@@ -222,7 +219,7 @@ class CI_URI {
if (trim($uri, '/') === '' && strncmp($query, '/', 1) === 0)
{
$query = explode('?', $query, 2);
- $uri = rawurldecode($query[0]);
+ $uri = $query[0];
$_SERVER['QUERY_STRING'] = isset($query[1]) ? $query[1] : '';
}
else
@@ -262,7 +259,7 @@ class CI_URI {
{
$uri = explode('?', $uri, 2);
$_SERVER['QUERY_STRING'] = isset($uri[1]) ? $uri[1] : '';
- $uri = rawurldecode($uri[0]);
+ $uri = $uri[0];
}
parse_str($_SERVER['QUERY_STRING'], $_GET);
diff --git a/system/core/compat/index.html b/system/core/compat/index.html
index c942a79ce..b702fbc39 100644
--- a/system/core/compat/index.html
+++ b/system/core/compat/index.html
@@ -1,3 +1,4 @@
+<!DOCTYPE html>
<html>
<head>
<title>403 Forbidden</title>
@@ -7,4 +8,4 @@
<p>Directory access is forbidden.</p>
</body>
-</html> \ No newline at end of file
+</html>
diff --git a/system/core/index.html b/system/core/index.html
index c942a79ce..b702fbc39 100644
--- a/system/core/index.html
+++ b/system/core/index.html
@@ -1,3 +1,4 @@
+<!DOCTYPE html>
<html>
<head>
<title>403 Forbidden</title>
@@ -7,4 +8,4 @@
<p>Directory access is forbidden.</p>
</body>
-</html> \ No newline at end of file
+</html>