diff options
Diffstat (limited to 'includes/utils/IP.php')
| -rw-r--r-- | includes/utils/IP.php | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/includes/utils/IP.php b/includes/utils/IP.php index 666660aa..13586f3c 100644 --- a/includes/utils/IP.php +++ b/includes/utils/IP.php @@ -132,8 +132,9 @@ class IP { /** * Convert an IP into a verbose, uppercase, normalized form. - * IPv6 addresses in octet notation are expanded to 8 words. - * IPv4 addresses are just trimmed. + * Both IPv4 and IPv6 addresses are trimmed. Additionally, + * IPv6 addresses in octet notation are expanded to 8 words; + * IPv4 addresses have leading zeros, in each octet, removed. * * @param string $ip IP address in quad or octet form (CIDR or not). * @return string @@ -143,8 +144,16 @@ class IP { if ( $ip === '' ) { return null; } - if ( self::isIPv4( $ip ) || !self::isIPv6( $ip ) ) { - return $ip; // nothing else to do for IPv4 addresses or invalid ones + /* If not an IP, just return trimmed value, since sanitizeIP() is called + * in a number of contexts where usernames are supplied as input. + */ + if ( !self::isIPAddress($ip) ) { + return $ip; + } + if ( self::isIPv4( $ip ) ) { + // Remove leading 0's from octet representation of IPv4 address + $ip = preg_replace( '/(?:^|(?<=\.))0+(?=[1-9]|0\.|0$)/', '', $ip ); + return $ip; } // Remove any whitespaces, convert to upper case $ip = strtoupper( $ip ); @@ -399,8 +408,9 @@ class IP { if ( self::isIPv6( $ip ) ) { $n = 'v6-' . self::IPv6ToRawHex( $ip ); } elseif ( self::isIPv4( $ip ) ) { - // Bug 60035: an IP with leading 0's fails in ip2long sometimes (e.g. *.08) - $ip = preg_replace( '/(?<=\.)0+(?=[1-9])/', '', $ip ); + // T62035/T97897: An IP with leading 0's fails in ip2long sometimes (e.g. *.08), + // also double/triple 0 needs to be changed to just a single 0 for ip2long. + $ip = self::sanitizeIP( $ip ); $n = ip2long( $ip ); if ( $n < 0 ) { $n += pow( 2, 32 ); |