X-Git-Url: http://git.pk910.de/?p=PHP-P10.git;a=blobdiff_plain;f=Uplink%2FIPAddr.class.php;h=2370cf66e48fab506177595eec9a74ad9edd3611;hp=266e4b6a23d944f3ea67929e8ed7e0770a03033b;hb=ba724f8fe4ffd71406db9faa3612ef6fc5da612f;hpb=811bc0c7a1f583fb624a0f8c3601146e063c5a25

diff --git a/Uplink/IPAddr.class.php b/Uplink/IPAddr.class.php
index 266e4b6..2370cf6 100644
--- a/Uplink/IPAddr.class.php
+++ b/Uplink/IPAddr.class.php
@@ -6,7 +6,7 @@
  * 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        *
@@ -16,7 +16,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>. *
  *                                                                      *
  ************************************************************************
- * 
+ *
  *  Uplink/IpAddr.class.php
  *
  * This class represents an IPv4 or IPv6 address.
@@ -28,7 +28,7 @@ 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 $addr_is_ipv6 = false;
-	
+
 	public function __construct($initial_value) {
 		for($i = 0; $i < 8; $i++) {
 			$this->ip6[$i] = 0;
@@ -43,7 +43,7 @@ class IPAddr {
 			$this->parseNumeric($initial_value);
 		}
 	}
-	
+
 	public function parseNumeric($numeric) {
 		if(strlen($numeric) == 6) { //IPv4
 			$value = Numerics::numToInt($numeric);
@@ -67,7 +67,7 @@ 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 +83,7 @@ class IPAddr {
 		}
 		$this->addr_is_ipv6 = true;
 	}
-	
+
 	public function parseIPv4($ipv4) {
 		$ipv4blocks = explode(".",$ipv4);
 		$this->ip6[6] = intval($ipv4blocks[0]) << 8;
@@ -92,19 +92,47 @@ class IPAddr {
 		$this->ip6[7] |= intval($ipv4blocks[3]);
 		$this->addr_is_ipv6 = false;
 	}
-	
+
 	public function isIPv6() {
 		return $this->addr_is_ipv6;
 	}
 	
+	public function isLocalAddress() {
+		/* 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($this->addr_is_ipv6) {
+			if(
+				(($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;
+		}
+		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 +163,15 @@ 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 +199,7 @@ class IPAddr {
 			return $ipv4[0].$ipv4[1];
 		}
 	}
-	
+
 }
 
 ?>
\ No newline at end of file