X-Git-Url: http://git.pk910.de/?p=PHP-P10.git;a=blobdiff_plain;f=Uplink%2FIPAddr.class.php;fp=Uplink%2FIPAddr.class.php;h=2370cf66e48fab506177595eec9a74ad9edd3611;hp=1eddcbed0aa7f872ff688d122121426430ffd534;hb=ba724f8fe4ffd71406db9faa3612ef6fc5da612f;hpb=f37602484b52f7c99bafdf506b83349adbc0763c

diff --git a/Uplink/IPAddr.class.php b/Uplink/IPAddr.class.php
index 1eddcbe..2370cf6 100644
--- a/Uplink/IPAddr.class.php
+++ b/Uplink/IPAddr.class.php
@@ -96,6 +96,34 @@ class IPAddr {
 	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()) {