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from androguard.core.bytecodes.dvm import DalvikVMFormat
from binascii import hexlify
import parse_dex
import unittest
from difflib import Differ
class TestDexCodeParsing(unittest.TestCase):
def testcode(self):
skipped_methods = []
fname = "examples/android/TestsAndroguard/bin/classes.dex"
parsed = parse_dex.read_dex(fname)
with open(fname, "rb") as f:
d = DalvikVMFormat(f.read())
dif = Differ()
for m in d.get_methods():
if not m.get_code():
continue
if m.get_method_idx() in skipped_methods:
continue
code = hexlify(m.get_code().get_raw())
self.assertEqual(parsed.methods[m.get_method_idx()],
code,
"incorrect code for "
"[{}]: {} --> {}:\n"
"{}\ntries_size: {}, insns_size: {}\nSHOULD BE {}\n{}\n{}".format(m.get_method_idx(),
m.get_class_name(),
m.get_name(),
"".join(dif.compare(parsed.methods[m.get_method_idx()],
code)),
m.get_code().tries_size,
m.get_code().insns_size,
hexlify(m.get_code().get_raw()),
parsed.methods[m.get_method_idx()],
hexlify(m.get_code().code.get_raw())))
def testClassManager(self):
"""Test if the classmanager has the same items"""
from androguard.core.mutf8 import decode
fname = "examples/android/TestsAndroguard/bin/classes.dex"
parsed = parse_dex.read_dex(fname)
with open(fname, "rb") as f:
d = DalvikVMFormat(f.read())
cm = d.get_class_manager()
self.assertFalse(cm.get_odex_format())
ERR_STR = 'AG:IS: invalid string'
## Testing Strings...
for idx in range(parsed.string_ids_size):
self.assertNotEqual(cm.get_string(idx), ERR_STR)
self.assertNotEqual(cm.get_raw_string(idx), ERR_STR)
self.assertEqual(cm.get_raw_string(idx), decode(parsed.str_raw[idx]))
self.assertEqual(cm.get_string(parsed.string_ids_size), ERR_STR)
self.assertEqual(cm.get_raw_string(parsed.string_ids_size), ERR_STR)
self.assertEqual(cm.get_string(parsed.string_ids_size + 100), ERR_STR)
self.assertEqual(cm.get_raw_string(parsed.string_ids_size + 100), ERR_STR)
if __name__ == '__main__':
unittest.main()
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