1 /* 2 * Copyright (C) 2019 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 #pragma once 17 18 #include <set> 19 #include <string> 20 #include <vector> 21 22 #include <android-base/result.h> 23 24 #include "linkerconfig/apex.h" 25 #include "linkerconfig/configwriter.h" 26 #include "linkerconfig/link.h" 27 28 namespace android { 29 namespace linkerconfig { 30 namespace modules { 31 32 class Namespace { 33 public: 34 explicit Namespace(std::string name, bool is_isolated = false, 35 bool is_visible = false) is_isolated_(is_isolated)36 : is_isolated_(is_isolated), 37 is_visible_(is_visible), 38 name_(std::move(name)) { 39 } 40 41 Namespace(const Namespace& ns) = delete; 42 Namespace(Namespace&& ns) = default; 43 Namespace& operator=(Namespace&& ns) = default; 44 45 // Add path to search path 46 void AddSearchPath(const std::string& path); 47 48 // Add path to permitted path 49 void AddPermittedPath(const std::string& path); 50 51 // Returns a link from this namespace to the given one. If one already exists 52 // it is returned, otherwise one is created and pushed back to tail. 53 Link& GetLink(const std::string& target_namespace); 54 55 void WriteConfig(ConfigWriter& writer); 56 void AddAllowedLib(const std::string& path); 57 58 std::string GetName() const; 59 SetVisible(bool visible)60 void SetVisible(bool visible) { 61 is_visible_ = visible; 62 } IsVisible()63 bool IsVisible() const { 64 return is_visible_; 65 } 66 SetApexSource(std::string apex_name)67 void SetApexSource(std::string apex_name) { 68 source_apex_name_ = apex_name; 69 } 70 GetApexSource()71 std::string GetApexSource() const { 72 return source_apex_name_; 73 } 74 75 // For test usage Links()76 const std::vector<Link>& Links() const { 77 return links_; 78 } SearchPaths()79 std::vector<std::string> SearchPaths() const { 80 return search_paths_; 81 } PermittedPaths()82 std::vector<std::string> PermittedPaths() const { 83 return permitted_paths_; 84 } AsanSearchPaths()85 std::vector<std::string> AsanSearchPaths() const { 86 return asan_search_paths_; 87 } AsanPermittedPaths()88 std::vector<std::string> AsanPermittedPaths() const { 89 return asan_permitted_paths_; 90 } 91 92 template <typename Vec> AddProvides(const Vec & list)93 void AddProvides(const Vec& list) { 94 provides_.insert(list.begin(), list.end()); 95 } 96 template <typename Vec> AddRequires(const Vec & list)97 void AddRequires(const Vec& list) { 98 requires_.insert(list.begin(), list.end()); 99 } GetProvides()100 const std::set<std::string>& GetProvides() const { 101 return provides_; 102 } GetRequires()103 const std::set<std::string>& GetRequires() const { 104 return requires_; 105 } 106 107 private: 108 bool is_isolated_; 109 bool is_visible_; 110 std::string name_; 111 std::vector<std::string> search_paths_; 112 std::vector<std::string> permitted_paths_; 113 std::vector<std::string> asan_search_paths_; 114 std::vector<std::string> asan_permitted_paths_; 115 std::vector<std::string> allowed_libs_; 116 std::vector<Link> links_; 117 std::set<std::string> provides_; 118 std::set<std::string> requires_; 119 std::string source_apex_name_; 120 121 void WritePathString(ConfigWriter& writer, const std::string& path_type, 122 const std::vector<std::string>& path_list); 123 bool RequiresAsanPath(const std::string& path); 124 const std::string CreateAsanPath(const std::string& path); 125 android::base::Result<void> VerifyContents(); 126 }; 127 128 void InitializeWithApex(Namespace& ns, const ApexInfo& apex_info); 129 } // namespace modules 130 } // namespace linkerconfig 131 } // namespace android 132