From 69d29e9282e0fcdbcac0017acea8aaa942ee2623 Mon Sep 17 00:00:00 2001 From: Meik Sievertsen Date: Fri, 21 Sep 2007 15:00:40 +0000 Subject: put expressions for ip validation into our get_preg_ function. git-svn-id: file:///svn/phpbb/trunk@8094 89ea8834-ac86-4346-8a33-228a782c2dd0 --- phpBB/includes/functions.php | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'phpBB/includes/functions.php') diff --git a/phpBB/includes/functions.php b/phpBB/includes/functions.php index 3742d89475..cb2631d7b5 100644 --- a/phpBB/includes/functions.php +++ b/phpBB/includes/functions.php @@ -3414,7 +3414,7 @@ function get_backtrace() /** * This function returns a regular expression pattern for commonly used expressions * Use with / as delimiter for email mode and # for url modes -* mode can be: email|bbcode_htm|url|url_inline|www_url|www_url_inline|relative_url|relative_url_inline +* mode can be: email|bbcode_htm|url|url_inline|www_url|www_url_inline|relative_url|relative_url_inline|ipv4|ipv6 */ function get_preg_expression($mode) { @@ -3435,6 +3435,17 @@ function get_preg_expression($mode) ); break; + // Whoa these look impressive! + // The code to generate the following two regular expressions which match valid IPv4/IPv6 addresses + // can be found in the develop directory + case 'ipv4': + return '#^(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])$#'; + break; + + case 'ipv6': + return '#^(?:(?:(?:[\dA-F]{1,4}:){6}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:::(?:[\dA-F]{1,4}:){5}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:):(?:[\dA-F]{1,4}:){4}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,2}:(?:[\dA-F]{1,4}:){3}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,3}:(?:[\dA-F]{1,4}:){2}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,4}:(?:[\dA-F]{1,4}:)(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,5}:(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,6}:[\dA-F]{1,4})|(?:(?:[\dA-F]{1,4}:){1,7}:))$#i'; + break; + case 'url': case 'url_inline': $inline = ($mode == 'url') ? ')' : ''; -- cgit v1.2.1