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-rw-r--r--scripts/external_libs/dpkt-1.8.6.2/dpkt/gre.py127
1 files changed, 0 insertions, 127 deletions
diff --git a/scripts/external_libs/dpkt-1.8.6.2/dpkt/gre.py b/scripts/external_libs/dpkt-1.8.6.2/dpkt/gre.py
deleted file mode 100644
index d61e56ff..00000000
--- a/scripts/external_libs/dpkt-1.8.6.2/dpkt/gre.py
+++ /dev/null
@@ -1,127 +0,0 @@
-# $Id: gre.py 75 2010-08-03 14:42:19Z jon.oberheide $
-# -*- coding: utf-8 -*-
-"""Generic Routing Encapsulation."""
-
-import struct
-import dpkt
-from decorators import deprecated
-
-GRE_CP = 0x8000 # Checksum Present
-GRE_RP = 0x4000 # Routing Present
-GRE_KP = 0x2000 # Key Present
-GRE_SP = 0x1000 # Sequence Present
-GRE_SS = 0x0800 # Strict Source Route
-GRE_AP = 0x0080 # Acknowledgment Present
-
-GRE_opt_fields = (
- (GRE_CP | GRE_RP, 'sum', 'H'), (GRE_CP | GRE_RP, 'off', 'H'),
- (GRE_KP, 'key', 'I'), (GRE_SP, 'seq', 'I'), (GRE_AP, 'ack', 'I')
-)
-
-
-class GRE(dpkt.Packet):
- __hdr__ = (
- ('flags', 'H', 0),
- ('p', 'H', 0x0800), # ETH_TYPE_IP
- )
- _protosw = {}
- sre = ()
-
- @property
- def v(self):
- return self.flags & 0x7
-
- @v.setter
- def v(self, v):
- self.flags = (self.flags & ~0x7) | (v & 0x7)
-
- @property
- def recur(self):
- return (self.flags >> 5) & 0x7
-
- @recur.setter
- def recur(self, v):
- self.flags = (self.flags & ~0xe0) | ((v & 0x7) << 5)
-
- # Deprecated methods, will be removed in the future
- # =================================================
- @deprecated
- def get_v(self): return self.v
-
- @deprecated
- def set_v(self, v): self.v = v
-
- @deprecated
- def get_recur(self): return self.recur
-
- @deprecated
- def set_recur(self, v): self.recur = v
- # =================================================
-
-
- class SRE(dpkt.Packet):
- __hdr__ = [
- ('family', 'H', 0),
- ('off', 'B', 0),
- ('len', 'B', 0)
- ]
-
- def unpack(self, buf):
- dpkt.Packet.unpack(self, buf)
- self.data = self.data[:self.len]
-
- def opt_fields_fmts(self):
- if self.v == 0:
- fields, fmts = [], []
- opt_fields = GRE_opt_fields
- else:
- fields, fmts = ['len', 'callid'], ['H', 'H']
- opt_fields = GRE_opt_fields[-2:]
- for flags, field, fmt in opt_fields:
- if self.flags & flags:
- fields.append(field)
- fmts.append(fmt)
- return fields, fmts
-
- def unpack(self, buf):
- dpkt.Packet.unpack(self, buf)
- fields, fmts = self.opt_fields_fmts()
- if fields:
- fmt = ''.join(fmts)
- fmtlen = struct.calcsize(fmt)
- vals = struct.unpack(fmt, self.data[:fmtlen])
- self.data = self.data[fmtlen:]
- self.__dict__.update(dict(zip(fields, vals)))
- if self.flags & GRE_RP:
- l = []
- while True:
- sre = self.SRE(self.data)
- self.data = self.data[len(sre):]
- l.append(sre)
- if not sre.len:
- break
- self.sre = l
- self.data = ethernet.Ethernet._typesw[self.p](self.data)
- setattr(self, self.data.__class__.__name__.lower(), self.data)
-
- def __len__(self):
- opt_fmtlen = struct.calcsize(''.join(self.opt_fields_fmts()[1]))
- return self.__hdr_len__ + opt_fmtlen + sum(map(len, self.sre)) + len(self.data)
-
- # XXX - need to fix up repr to display optional fields...
-
- def __str__(self):
- fields, fmts = self.opt_fields_fmts()
- if fields:
- vals = []
- for f in fields:
- vals.append(getattr(self, f))
- opt_s = struct.pack(''.join(fmts), *vals)
- else:
- opt_s = ''
- return self.pack_hdr() + opt_s + ''.join(map(str, self.sre)) + str(self.data)
-
-# XXX - auto-load GRE dispatch table from Ethernet dispatch table
-import ethernet
-
-GRE._protosw.update(ethernet.Ethernet._typesw)