/usr/share/pyshared/dpkt/pppoe.py is in python-dpkt 1.6+svn54-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 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.
|