diff options
author | Pierre Schmitz <pierre@archlinux.de> | 2011-12-03 13:29:22 +0100 |
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committer | Pierre Schmitz <pierre@archlinux.de> | 2011-12-03 13:29:22 +0100 |
commit | ca32f08966f1b51fcb19460f0996bb0c4048e6fe (patch) | |
tree | ec04cc15b867bc21eedca904cea9af0254531a11 /includes/IP.php | |
parent | a22fbfc60f36f5f7ee10d5ae6fe347340c2ee67c (diff) |
Update to MediaWiki 1.18.0
* also update ArchLinux skin to chagnes in MonoBook
* Use only css to hide our menu bar when printing
Diffstat (limited to 'includes/IP.php')
-rw-r--r-- | includes/IP.php | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/includes/IP.php b/includes/IP.php index 50d57583..1da7cd07 100644 --- a/includes/IP.php +++ b/includes/IP.php @@ -186,6 +186,76 @@ class IP { } /** + * Given a host/port string, like one might find in the host part of a URL + * per RFC 2732, split the hostname part and the port part and return an + * array with an element for each. If there is no port part, the array will + * have false in place of the port. If the string was invalid in some way, + * false is returned. + * + * This was easy with IPv4 and was generally done in an ad-hoc way, but + * with IPv6 it's somewhat more complicated due to the need to parse the + * square brackets and colons. + * + * A bare IPv6 address is accepted despite the lack of square brackets. + * + * @param $both The string with the host and port + * @return array + */ + public static function splitHostAndPort( $both ) { + if ( substr( $both, 0, 1 ) === '[' ) { + if ( preg_match( '/^\[(' . RE_IPV6_ADD . ')\](?::(?P<port>\d+))?$/', $both, $m ) ) { + if ( isset( $m['port'] ) ) { + return array( $m[1], intval( $m['port'] ) ); + } else { + return array( $m[1], false ); + } + } else { + // Square bracket found but no IPv6 + return false; + } + } + $numColons = substr_count( $both, ':' ); + if ( $numColons >= 2 ) { + // Is it a bare IPv6 address? + if ( preg_match( '/^' . RE_IPV6_ADD . '$/', $both ) ) { + return array( $both, false ); + } else { + // Not valid IPv6, but too many colons for anything else + return false; + } + } + if ( $numColons >= 1 ) { + // Host:port? + $bits = explode( ':', $both ); + if ( preg_match( '/^\d+/', $bits[1] ) ) { + return array( $bits[0], intval( $bits[1] ) ); + } else { + // Not a valid port + return false; + } + } + // Plain hostname + return array( $both, false ); + } + + /** + * Given a host name and a port, combine them into host/port string like + * you might find in a URL. If the host contains a colon, wrap it in square + * brackets like in RFC 2732. If the port matches the default port, omit + * the port specification + */ + public static function combineHostAndPort( $host, $port, $defaultPort = false ) { + if ( strpos( $host, ':' ) !== false ) { + $host = "[$host]"; + } + if ( $defaultPort !== false && $port == $defaultPort ) { + return $host; + } else { + return "$host:$port"; + } + } + + /** * Given an unsigned integer, returns an IPv6 address in octet notation * * @param $ip_int String: IP address. @@ -614,4 +684,20 @@ class IP { return null; // give up } + + /** + * Gets rid of uneeded numbers in quad-dotted/octet IP strings + * For example, 127.111.113.151/24 -> 127.111.113.0/24 + * @param $range String: IP address to normalize + * @return string + */ + public static function sanitizeRange( $range ) { + list( /*...*/, $bits ) = self::parseCIDR( $range ); + list( $start, /*...*/ ) = self::parseRange( $range ); + $start = self::formatHex( $start ); + if ( $bits === false ) { + return $start; // wasn't actually a range + } + return "$start/$bits"; + } } |