1 files changed, 38 insertions, 0 deletions
diff --git a/scripts/external_libs/dpkt-1.8.6/dpkt/pppoe.py b/scripts/external_libs/dpkt-1.8.6/dpkt/pppoe.py
new file mode 100644
index 00000000..8b4c9e71
--- /dev/null
+++ b/scripts/external_libs/dpkt-1.8.6/dpkt/pppoe.py
@@ -0,0 +1,38 @@
+# $Id: pppoe.py 23 2006-11-08 15:45:33Z dugsong $
+
+"""PPP-over-Ethernet."""
+
+import dpkt, ppp
+
+# RFC 2516 codes
+PPPoE_PADI	= 0x09
+PPPoE_PADO	= 0x07
+PPPoE_PADR	= 0x19
+PPPoE_PADS	= 0x65
+PPPoE_PADT	= 0xA7
+PPPoE_SESSION	= 0x00
+
+class PPPoE(dpkt.Packet):
+    __hdr__ = (
+        ('v_type', 'B', 0x11),
+        ('code', 'B', 0),
+        ('session', 'H', 0),
+        ('len', 'H', 0)		# payload length
+        )
+    def _get_v(self): return self.v_type >> 4
+    def _set_v(self, v): self.v_type = (v << 4) | (self.v_type & 0xf)
+    v = property(_get_v, _set_v)
+
+    def _get_type(self): return self.v_type & 0xf
+    def _set_type(self, t): self.v_type = (self.v_type & 0xf0) | t
+    type = property(_get_type, _set_type)
+
+    def unpack(self, buf):
+        dpkt.Packet.unpack(self, buf)
+        try:
+            if self.code == 0:
+                self.data = self.ppp = ppp.PPP(self.data)
+        except dpkt.UnpackError:
+            pass
+        
+# XXX - TODO TLVs, etc.