1 files changed, 0 insertions, 103 deletions
diff --git a/scripts/external_libs/dpkt-1.8.6/dpkt/gre.py b/scripts/external_libs/dpkt-1.8.6/dpkt/gre.py
deleted file mode 100644
index 4d462edc..00000000
--- a/scripts/external_libs/dpkt-1.8.6/dpkt/gre.py
+++ /dev/null
@@ -1,103 +0,0 @@
-# $Id: gre.py 75 2010-08-03 14:42:19Z jon.oberheide $
-
-"""Generic Routing Encapsulation."""
-
-import struct
-import dpkt
-
-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 = ()
-    def get_v(self):
-        return self.flags & 0x7
-    def set_v(self, v):
-        self.flags = (self.flags & ~0x7) | (v & 0x7)
-    v = property(get_v, set_v)
-
-    def get_recur(self):
-        return (self.flags >> 5) & 0x7
-    def set_recur(self, v):
-        self.flags = (self.flags & ~0xe0) | ((v & 0x7) << 5)
-    recur = property(get_recur, set_recur)
-    
-    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)