1 files changed, 20 insertions, 0 deletions
diff --git a/scripts/external_libs/dpkt-1.8.6/dpkt/loopback.py b/scripts/external_libs/dpkt-1.8.6/dpkt/loopback.py
new file mode 100644
index 00000000..25992b31
--- /dev/null
+++ b/scripts/external_libs/dpkt-1.8.6/dpkt/loopback.py
@@ -0,0 +1,20 @@
+# $Id: loopback.py 38 2007-03-17 03:33:16Z dugsong $
+
+"""Platform-dependent loopback header."""
+
+import dpkt, ethernet, ip, ip6
+
+class Loopback(dpkt.Packet):
+    __hdr__ = (('family', 'I', 0), )
+    __byte_order__ = '@'
+    def unpack(self, buf):
+        dpkt.Packet.unpack(self, buf)
+        if self.family == 2:
+            self.data = ip.IP(self.data)
+        elif self.family == 0x02000000:
+            self.family = 2
+            self.data = ip.IP(self.data)
+        elif self.family in (24, 28, 30):
+            self.data = ip6.IP6(self.data)
+        elif self.family > 1500:
+            self.data = ethernet.Ethernet(self.data)