| # Copyright 2018 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import unittest |
| import tempfile |
| import convert_dex_profile as cp |
| |
| cp.logging.disable(cp.logging.CRITICAL) |
| |
| DEX_DUMP = """ |
| |
| Class descriptor : 'La;' |
| Direct methods - |
| #0 : (in La;) |
| name : '<clinit>' |
| type : '(Ljava/lang/String;)V' |
| code - |
| catches : 1 |
| 0x000f - 0x001e |
| <any> -> 0x0093 |
| positions : |
| 0x0001 line=310 |
| 0x0057 line=313 |
| locals : |
| #1 : (in La;) |
| name : '<init>' |
| type : '()V' |
| positions : |
| locals : |
| Virtual methods - |
| #0 : (in La;) |
| name : 'a' |
| type : '(Ljava/lang/String;)I' |
| positions : |
| 0x0000 line=2 |
| 0x0003 line=3 |
| 0x001b line=8 |
| locals : |
| 0x0000 - 0x0021 reg=3 this La; |
| #1 : (in La;) |
| name : 'a' |
| type : '(Ljava/lang/Object;)I' |
| positions : |
| 0x0000 line=8 |
| 0x0003 line=9 |
| locals : |
| 0x0000 - 0x0021 reg=3 this La; |
| #2 : (in La;) |
| name : 'b' |
| type : '()La;' |
| positions : |
| 0x0000 line=1 |
| locals : |
| """ |
| |
| # pylint: disable=line-too-long |
| PROGUARD_MAPPING = \ |
| """org.chromium.Original -> a: |
| org.chromium.Original sDisplayAndroidManager -> e |
| org.chromium.Original another() -> b |
| 4:4:void inlined():237:237 -> a |
| 4:4:org.chromium.Original getInstance():203 -> a |
| 5:5:void org.chromium.Original$Subclass.<init>(org.chromium.Original,byte):130:130 -> a |
| 5:5:void initialize():237 -> a |
| 5:5:org.chromium.Original getInstance():203 -> a |
| 6:6:void initialize():237:237 -> a |
| 9:9:android.content.Context org.chromium.base.ContextUtils.getApplicationContext():49:49 -> a |
| 9:9:android.content.Context getContext():219 -> a |
| 9:9:void initialize():245 -> a |
| 9:9:org.chromium.Original getInstance():203 -> a""" |
| |
| OBFUSCATED_PROFILE = \ |
| """La; |
| PLa;->b()La; |
| SLa;->a(Ljava/lang/Object;)I |
| HPLa;->a(Ljava/lang/String;)I""" |
| |
| UNOBFUSCATED_PROFILE = \ |
| """Lorg/chromium/Original; |
| PLorg/chromium/Original;->another()Lorg/chromium/Original; |
| HPSLorg/chromium/Original;->getInstance()Lorg/chromium/Original; |
| HPLorg/chromium/Original;->initialize()V""" |
| |
| class GenerateProfileTests(unittest.TestCase): |
| def testProcessDex(self): |
| dex = cp.ProcessDex(DEX_DUMP.splitlines()) |
| self.assertIsNotNone(dex['a']) |
| |
| self.assertEquals(len(dex['a'].FindMethodsAtLine('<clinit>', 311, 313)), 1) |
| self.assertEquals(len(dex['a'].FindMethodsAtLine('<clinit>', 309, 315)), 1) |
| clinit = dex['a'].FindMethodsAtLine('<clinit>', 311, 313)[0] |
| self.assertEquals(clinit.name, '<clinit>') |
| self.assertEquals(clinit.return_type, 'V') |
| self.assertEquals(clinit.param_types, 'Ljava/lang/String;') |
| |
| self.assertEquals(len(dex['a'].FindMethodsAtLine('a', 8, None)), 2) |
| self.assertIsNone(dex['a'].FindMethodsAtLine('a', 100, None)) |
| |
| # pylint: disable=protected-access |
| def testProcessProguardMapping(self): |
| dex = cp.ProcessDex(DEX_DUMP.splitlines()) |
| mapping, reverse = cp.ProcessProguardMapping( |
| PROGUARD_MAPPING.splitlines(), dex) |
| |
| self.assertEquals('La;', reverse.GetClassMapping('Lorg/chromium/Original;')) |
| |
| getInstance = cp.Method( |
| 'getInstance', 'Lorg/chromium/Original;', '', 'Lorg/chromium/Original;') |
| initialize = cp.Method('initialize', 'Lorg/chromium/Original;', '', 'V') |
| another = cp.Method( |
| 'another', 'Lorg/chromium/Original;', '', 'Lorg/chromium/Original;') |
| subclassInit = cp.Method( |
| '<init>', 'Lorg/chromium/Original$Subclass;', |
| 'Lorg/chromium/Original;B', 'V') |
| |
| mapped = mapping.GetMethodMapping( |
| cp.Method('a', 'La;', 'Ljava/lang/String;', 'I')) |
| self.assertEquals(len(mapped), 2) |
| self.assertIn(getInstance, mapped) |
| self.assertNotIn(subclassInit, mapped) |
| self.assertNotIn( |
| cp.Method('inlined', 'Lorg/chromium/Original;', '', 'V'), mapped) |
| self.assertIn(initialize, mapped) |
| |
| mapped = mapping.GetMethodMapping( |
| cp.Method('a', 'La;', 'Ljava/lang/Object;', 'I')) |
| self.assertEquals(len(mapped), 1) |
| self.assertIn(getInstance, mapped) |
| |
| mapped = mapping.GetMethodMapping(cp.Method('b', 'La;', '', 'La;')) |
| self.assertEquals(len(mapped), 1) |
| self.assertIn(another, mapped) |
| |
| for from_method, to_methods in mapping._method_mapping.iteritems(): |
| for to_method in to_methods: |
| self.assertIn(from_method, reverse.GetMethodMapping(to_method)) |
| for from_class, to_class in mapping._class_mapping.iteritems(): |
| self.assertEquals(from_class, reverse.GetClassMapping(to_class)) |
| |
| def testProcessProfile(self): |
| dex = cp.ProcessDex(DEX_DUMP.splitlines()) |
| mapping, _ = cp.ProcessProguardMapping(PROGUARD_MAPPING.splitlines(), dex) |
| profile = cp.ProcessProfile(OBFUSCATED_PROFILE.splitlines(), mapping) |
| |
| getInstance = cp.Method( |
| 'getInstance', 'Lorg/chromium/Original;', '', 'Lorg/chromium/Original;') |
| initialize = cp.Method('initialize', 'Lorg/chromium/Original;', '', 'V') |
| another = cp.Method( |
| 'another', 'Lorg/chromium/Original;', '', 'Lorg/chromium/Original;') |
| |
| self.assertIn('Lorg/chromium/Original;', profile._classes) |
| self.assertIn(getInstance, profile._methods) |
| self.assertIn(initialize, profile._methods) |
| self.assertIn(another, profile._methods) |
| |
| self.assertEquals(profile._methods[getInstance], set(['H', 'S', 'P'])) |
| self.assertEquals(profile._methods[initialize], set(['H', 'P'])) |
| self.assertEquals(profile._methods[another], set(['P'])) |
| |
| def testEndToEnd(self): |
| dex = cp.ProcessDex(DEX_DUMP.splitlines()) |
| mapping, _ = cp.ProcessProguardMapping(PROGUARD_MAPPING.splitlines(), dex) |
| |
| profile = cp.ProcessProfile(OBFUSCATED_PROFILE.splitlines(), mapping) |
| with tempfile.NamedTemporaryFile() as temp: |
| profile.WriteToFile(temp.name) |
| with open(temp.name, 'r') as f: |
| for a, b in zip(sorted(f), sorted(UNOBFUSCATED_PROFILE.splitlines())): |
| self.assertEquals(a.strip(), b.strip()) |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |