1 /*
2  * Copyright (C) 2018 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef ART_TOOLS_VERIDEX_HIDDEN_API_FINDER_H_
18 #define ART_TOOLS_VERIDEX_HIDDEN_API_FINDER_H_
19 
20 #include "dex/method_reference.h"
21 
22 #include <iostream>
23 #include <map>
24 #include <set>
25 #include <string>
26 
27 namespace art {
28 
29 class HiddenApi;
30 struct HiddenApiStats;
31 class VeridexResolver;
32 
33 /**
34  * Reports potential uses of hidden APIs from static linking and reflection.
35  */
36 class HiddenApiFinder {
37  public:
HiddenApiFinder(const HiddenApi & hidden_api)38   explicit HiddenApiFinder(const HiddenApi& hidden_api) : hidden_api_(hidden_api) {}
39 
40   // Iterate over the dex files associated with the passed resolvers to report
41   // hidden API uses.
42   void Run(const std::vector<std::unique_ptr<VeridexResolver>>& app_resolvers);
43 
44   void Dump(std::ostream& os, HiddenApiStats* stats, bool dump_reflection);
45 
46  private:
47   void CollectAccesses(VeridexResolver* resolver);
48   void CheckMethod(uint32_t method_idx, VeridexResolver* resolver, MethodReference ref);
49   void CheckField(uint32_t field_idx, VeridexResolver* resolver, MethodReference ref);
50 
51   const HiddenApi& hidden_api_;
52   std::set<std::string> classes_;
53   std::set<std::string> strings_;
54   std::map<std::string, std::vector<MethodReference>> reflection_locations_;
55   std::map<std::string, std::vector<MethodReference>> method_locations_;
56   std::map<std::string, std::vector<MethodReference>> field_locations_;
57 };
58 
59 }  // namespace art
60 
61 #endif  // ART_TOOLS_VERIDEX_HIDDEN_API_FINDER_H_
62