* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
- * *
+ * *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
* *
************************************************************************
- *
+ *
* Uplink/IpAddr.class.php
*
* This class represents an IPv4 or IPv6 address.
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;
$this->parseNumeric($initial_value);
}
}
-
+
public function parseNumeric($numeric) {
if(strlen($numeric) == 6) { //IPv4
$value = Numerics::numToInt($numeric);
$this->addr_is_ipv6 = true;
}
}
-
+
public function parseIPv6($ipv6) {
if(substr($ipv6,0,2) == "::") $ipv6 = substr($ipv6, 1);
if(substr($ipv6,-2) == "::") $ipv6 = substr($ipv6, 0, -1);
}
$this->addr_is_ipv6 = true;
}
-
+
public function parseIPv4($ipv4) {
$ipv4blocks = explode(".",$ipv4);
$this->ip6[6] = intval($ipv4blocks[0]) << 8;
$this->ip6[7] |= intval($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;
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;
return $ipv4[0].$ipv4[1];
}
}
-
+
}
?>
\ No newline at end of file