X-Git-Url: http://git.pk910.de/?a=blobdiff_plain;f=Uplink%2FIPAddr.class.php;h=b1912e8926c3c503d395415aa0b2b46c275ba707;hb=7d2c933a8ce834dab49278a4e2e74b3bd916f9ee;hp=737cb9a7cf6cf42968215f1b639838f8d66e6389;hpb=0f30e96ae37491aee19e72b89cc54a6798d1f254;p=PHP-P10.git diff --git a/Uplink/IPAddr.class.php b/Uplink/IPAddr.class.php index 737cb9a..b1912e8 100644 --- a/Uplink/IPAddr.class.php +++ b/Uplink/IPAddr.class.php @@ -1,12 +1,12 @@ . * * * ************************************************************************ - * + * * Uplink/IpAddr.class.php * * This class represents an IPv4 or IPv6 address. @@ -28,7 +28,8 @@ class IPAddr { private static $pattern_IPv4 = '/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}(|\/[0-9]{1,2})$/'; private $ip6 = array(); private $addr_is_ipv6 = false; - + private $is_server_addr = false; + public function __construct($initial_value) { for($i = 0; $i < 8; $i++) { $this->ip6[$i] = 0; @@ -43,7 +44,7 @@ class IPAddr { $this->parseNumeric($initial_value); } } - + public function parseNumeric($numeric) { if(strlen($numeric) == 6) { //IPv4 $value = Numerics::numToInt($numeric); @@ -67,7 +68,7 @@ class IPAddr { $this->addr_is_ipv6 = true; } } - + public function parseIPv6($ipv6) { if(substr($ipv6,0,2) == "::") $ipv6 = substr($ipv6, 1); if(substr($ipv6,-2) == "::") $ipv6 = substr($ipv6, 0, -1); @@ -83,7 +84,7 @@ class IPAddr { } $this->addr_is_ipv6 = true; } - + public function parseIPv4($ipv4) { $ipv4blocks = explode(".",$ipv4); $this->ip6[6] = intval($ipv4blocks[0]) << 8; @@ -92,19 +93,59 @@ class IPAddr { $this->ip6[7] |= intval($ipv4blocks[3]); $this->addr_is_ipv6 = false; } - + public function isIPv6() { return $this->addr_is_ipv6; } + public function setServerAddr($serverAddr) { + $this->is_server_addr = $serverAddr; + } + + public function isServerAddr() { + return $this->is_server_addr; + } + + public function isLocalAddress($serverAddr = false) { + /* checks if address is out of: + * 127.0.0.1/32 + * 10.0.0.0/8 + * 192.168.0.0/16 + * 172.16.0.0/12 + * ::1/128 + * fc00::/7 + * + * if $serverAddr is true also return true for server IP's + */ + if($this->addr_is_ipv6) { + if( + (($this->ip6[0] & 0xFE00) == 0xFC00) || /* fc00::/7 */ + ($this->ip6[0] == 0 && $this->ip6[1] == 0 && $this->ip6[2] == 0 && $this->ip6[3] == 0 && + $this->ip6[4] == 0 && $this->ip6[5] == 0 && $this->ip6[6] == 0 && $this->ip6[7] == 1) + ) + return true; + } else { + if( + (($this->ip6[6] & 0xFFFF) == 0x7F00 && ($this->ip6[7] & 0xFFFF) == 0x0001) || /* 127.0.0.1/32 */ + (($this->ip6[6] & 0xFF00) == 0x0A00) || /* 10.0.0.0/8 */ + (($this->ip6[6] & 0xFFF0) == 0xAC10) || /* 172.16.0.0/12 */ + (($this->ip6[6] & 0xFFFF) == 0xC0A8) /* 192.168.0.0/16 */ + ) + return true; + } + if($serverAddr && $this->is_server_addr) + return true; + return false; + } + public function getAddress() { - if($this->isIPv6()) { + if($this->isIPv6()) { $max_start = 0; $max_zeros = 0; $curr_zeros = 0; for ($i = 0; $i < 8; $i++) { if ($this->ip6[$i] == 0) - $curr_zeros++; + $curr_zeros++; else if ($curr_zeros > $max_zeros) { $max_start = $i - $curr_zeros; $max_zeros = $curr_zeros; @@ -135,15 +176,15 @@ class IPAddr { return implode(".", $ipv4); } } - + public function getNumeric() { - if($this->isIPv6()) { + if($this->isIPv6()) { $max_start = 0; $max_zeros = 0; $curr_zeros = 0; for ($i = 0; $i < 8; $i++) { if ($this->ip6[$i] == 0) - $curr_zeros++; + $curr_zeros++; else if ($curr_zeros > $max_zeros) { $max_start = $i - $curr_zeros; $max_zeros = $curr_zeros; @@ -171,7 +212,7 @@ class IPAddr { return $ipv4[0].$ipv4[1]; } } - + } ?> \ No newline at end of file