def load_code(self):
"""
Returns a Python code object like xdis.unmarshal.load_code(),
but in we decrypt the data in self.bufstr.
That is:
* calculate the TEA key,
* decrypt self.bufstr
* create and return a Python code-object
"""
a = self.load_int()
b = self.load_int()
key = get_keys(a, b)
padsize = (b + 15) & ~0xf
intsize = padsize/4
data = self.bufstr[self.bufpos:self.bufpos+padsize]
# print("%d: %d (%d=%d)" % (self.bufpos, b, padsize, len(data)))
data = list(struct.unpack('<%dL' % intsize, data))
tea_decipher(data, key)
self.bufpos += padsize
obj = xmarshal._FastUnmarshaller(struct.pack('<%dL' % intsize, *data))
code = obj.load_code()
co_code = patch(code.co_code)
if PYTHON3:
return Code2Compat(code.co_argcount, code.co_nlocals, code.co_stacksize,
code.co_flags,
co_code, code.co_consts, code.co_names, code.co_varnames,
code.co_filename, code.co_name, code.co_firstlineno,
code.co_lnotab, code.co_freevars, code.co_cellvars)
else:
return types.CodeType(code.co_argcount, code.co_nlocals, code.co_stacksize, code.co_flags,
co_code, code.co_consts, code.co_names, code.co_varnames,
code.co_filename, code.co_name, code.co_firstlineno,
code.co_lnotab, code.co_freevars, code.co_cellvars)
def loads(s):
"""
xdis.marshal.load() but with its dispatch load_code() function replaced
with our decoding version.
"""
um = xmarshal._FastUnmarshaller(s)
um.dispatch[xmarshal.TYPE_CODE] = load_code
return um.load()
def loads(s):
"""
xdis.marshal.load() but with its dispatch load_code() function replaced
with our decoding version.
"""
um = xmarshal._FastUnmarshaller(s)
um.dispatch[xmarshal.TYPE_CODE] = load_code
return um.load()
def load_code(self):
"""
Returns a Python code object like xdis.unmarshal.load_code(),
but in we decrypt the data in self.bufstr.
That is:
* calculate the TEA key,
* decrypt self.bufstr
* create and return a Python code-object
"""
a = self.load_int()
b = self.load_int()
key = get_keys(a, b)
padsize = (b + 15) & ~0xF
intsize = padsize / 4
data = self.bufstr[self.bufpos:self.bufpos + padsize]
# print("%d: %d (%d=%d)" % (self.bufpos, b, padsize, len(data)))
data = list(struct.unpack("<%dL" % intsize, data))
tea_decipher(data, key)
self.bufpos += padsize
obj = xmarshal._FastUnmarshaller(struct.pack("<%dL" % intsize, *data))
code = obj.load_code()
co_code = patch(code.co_code)
if PYTHON3:
return Code2Compat(
code.co_argcount,
code.co_nlocals,
code.co_stacksize,
code.co_flags,
co_code,
code.co_consts,
code.co_names,
code.co_varnames,
code.co_filename,
code.co_name,
code.co_firstlineno,
code.co_lnotab,
code.co_freevars,
code.co_cellvars,
)
else:
return types.CodeType(
code.co_argcount,
code.co_nlocals,
code.co_stacksize,
code.co_flags,
co_code,
code.co_consts,
code.co_names,
code.co_varnames,
code.co_filename,
code.co_name,
code.co_firstlineno,
code.co_lnotab,
code.co_freevars,
code.co_cellvars,
)
