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
17 #include "linkerconfig/namespace.h"
18
19 #include <string>
20 #include <vector>
21
22 #include <android-base/strings.h>
23 #include <gtest/gtest.h>
24
25 #include "linkerconfig/configwriter.h"
26 #include "linkerconfig/link.h"
27 #include "modules_testbase.h"
28
29 using namespace android::linkerconfig::modules;
30 using namespace android::base;
31
32 constexpr const char* kExpectedSimpleNamespaceConfig =
33 R"(namespace.test_namespace.isolated = false
34 namespace.test_namespace.search.paths = /search_path1
35 namespace.test_namespace.search.paths += /apex/search_path2
36 namespace.test_namespace.permitted.paths = /permitted_path1
37 namespace.test_namespace.permitted.paths += /apex/permitted_path2
38 namespace.test_namespace.asan.search.paths = /data/asan/search_path1
39 namespace.test_namespace.asan.search.paths += /search_path1
40 namespace.test_namespace.asan.search.paths += /apex/search_path2
41 namespace.test_namespace.asan.permitted.paths = /data/asan/permitted_path1
42 namespace.test_namespace.asan.permitted.paths += /permitted_path1
43 namespace.test_namespace.asan.permitted.paths += /apex/permitted_path2
44 namespace.test_namespace.hwasan.search.paths = /search_path1/hwasan
45 namespace.test_namespace.hwasan.search.paths += /search_path1
46 namespace.test_namespace.hwasan.search.paths += /apex/search_path2/hwasan
47 namespace.test_namespace.hwasan.search.paths += /apex/search_path2
48 namespace.test_namespace.hwasan.permitted.paths = /permitted_path1/hwasan
49 namespace.test_namespace.hwasan.permitted.paths += /permitted_path1
50 namespace.test_namespace.hwasan.permitted.paths += /apex/permitted_path2/hwasan
51 namespace.test_namespace.hwasan.permitted.paths += /apex/permitted_path2
52 )";
53
54 constexpr const char* kExpectedNamespaceWithLinkConfig =
55 R"(namespace.test_namespace.isolated = true
56 namespace.test_namespace.visible = true
57 namespace.test_namespace.search.paths = /search_path1
58 namespace.test_namespace.search.paths += /apex/search_path2
59 namespace.test_namespace.permitted.paths = /permitted_path1
60 namespace.test_namespace.permitted.paths += /apex/permitted_path2
61 namespace.test_namespace.asan.search.paths = /data/asan/search_path1
62 namespace.test_namespace.asan.search.paths += /search_path1
63 namespace.test_namespace.asan.search.paths += /apex/search_path2
64 namespace.test_namespace.asan.permitted.paths = /data/asan/permitted_path1
65 namespace.test_namespace.asan.permitted.paths += /permitted_path1
66 namespace.test_namespace.asan.permitted.paths += /apex/permitted_path2
67 namespace.test_namespace.hwasan.search.paths = /search_path1/hwasan
68 namespace.test_namespace.hwasan.search.paths += /search_path1
69 namespace.test_namespace.hwasan.search.paths += /apex/search_path2/hwasan
70 namespace.test_namespace.hwasan.search.paths += /apex/search_path2
71 namespace.test_namespace.hwasan.permitted.paths = /permitted_path1/hwasan
72 namespace.test_namespace.hwasan.permitted.paths += /permitted_path1
73 namespace.test_namespace.hwasan.permitted.paths += /apex/permitted_path2/hwasan
74 namespace.test_namespace.hwasan.permitted.paths += /apex/permitted_path2
75 namespace.test_namespace.links = target_namespace1,target_namespace2
76 namespace.test_namespace.link.target_namespace1.shared_libs = lib1.so:lib2.so:lib3.so
77 namespace.test_namespace.link.target_namespace2.allow_all_shared_libs = true
78 )";
79
80 constexpr const char* kExpectedNamespaceWithAllowedLibs =
81 R"(namespace.test_namespace.isolated = false
82 namespace.test_namespace.search.paths = /search_path1
83 namespace.test_namespace.search.paths += /apex/search_path2
84 namespace.test_namespace.permitted.paths = /permitted_path1
85 namespace.test_namespace.permitted.paths += /apex/permitted_path2
86 namespace.test_namespace.asan.search.paths = /data/asan/search_path1
87 namespace.test_namespace.asan.search.paths += /search_path1
88 namespace.test_namespace.asan.search.paths += /apex/search_path2
89 namespace.test_namespace.asan.permitted.paths = /data/asan/permitted_path1
90 namespace.test_namespace.asan.permitted.paths += /permitted_path1
91 namespace.test_namespace.asan.permitted.paths += /apex/permitted_path2
92 namespace.test_namespace.hwasan.search.paths = /search_path1/hwasan
93 namespace.test_namespace.hwasan.search.paths += /search_path1
94 namespace.test_namespace.hwasan.search.paths += /apex/search_path2/hwasan
95 namespace.test_namespace.hwasan.search.paths += /apex/search_path2
96 namespace.test_namespace.hwasan.permitted.paths = /permitted_path1/hwasan
97 namespace.test_namespace.hwasan.permitted.paths += /permitted_path1
98 namespace.test_namespace.hwasan.permitted.paths += /apex/permitted_path2/hwasan
99 namespace.test_namespace.hwasan.permitted.paths += /apex/permitted_path2
100 namespace.test_namespace.allowed_libs = allowed_libs_path1
101 namespace.test_namespace.allowed_libs += allowed_libs_path2
102 )";
103
TEST(linkerconfig_namespace,simple_namespace)104 TEST(linkerconfig_namespace, simple_namespace) {
105 ConfigWriter writer;
106 auto ns = CreateNamespaceWithPaths("test_namespace", false, false);
107 ns.WriteConfig(writer);
108 auto config = writer.ToString();
109
110 ASSERT_EQ(config, kExpectedSimpleNamespaceConfig);
111 }
112
TEST(linkerconfig_namespace,namespace_with_links)113 TEST(linkerconfig_namespace, namespace_with_links) {
114 ConfigWriter writer;
115
116 auto ns = CreateNamespaceWithLinks("test_namespace", true, true,
117 "target_namespace1", "target_namespace2");
118 ns.WriteConfig(writer);
119 auto config = writer.ToString();
120
121 ASSERT_EQ(config, kExpectedNamespaceWithLinkConfig);
122 }
123
TEST(linkerconfig_namespace,namespace_with_allowed_libs)124 TEST(linkerconfig_namespace, namespace_with_allowed_libs) {
125 ConfigWriter writer;
126 auto ns = CreateNamespaceWithPaths("test_namespace", false, false);
127 ns.AddAllowedLib("allowed_libs_path1");
128 ns.AddAllowedLib("allowed_libs_path2");
129 ns.WriteConfig(writer);
130
131 auto config = writer.ToString();
132
133 ASSERT_EQ(config, kExpectedNamespaceWithAllowedLibs);
134 }
135
TEST(linkerconfig_namespace,namespace_links_should_be_ordered)136 TEST(linkerconfig_namespace, namespace_links_should_be_ordered) {
137 std::vector<std::string> expected_links = {"z", "a", "o"};
138
139 Namespace ns("test_namespace");
140 for (auto link : expected_links) {
141 ns.GetLink(link).AddSharedLib("lib");
142 }
143
144 ConfigWriter writer;
145 ns.WriteConfig(writer);
146
147 std::string actual_links;
148 for (auto line : Split(writer.ToString(), "\n")) {
149 if (StartsWith(line, "namespace.test_namespace.links")) {
150 actual_links = Split(line, " ").back();
151 }
152 }
153 ASSERT_EQ(android::base::Join(expected_links, ","), actual_links);
154 }
155
TEST(linkerconfig_namespace,apex_should_not_allow_all_links)156 TEST(linkerconfig_namespace, apex_should_not_allow_all_links) {
157 Namespace ns("test_namespace");
158 ns.SetApexSource(ApexSource{"com.android.test", false});
159 ns.GetLink("target_namespace").AllowAllSharedLibs();
160
161 ConfigWriter writer;
162 ns.WriteConfig(writer);
163
164 ASSERT_EQ("", writer.ToString());
165 }
166
TEST(linkerconfig_namespace,should_not_add_link_to_self)167 TEST(linkerconfig_namespace, should_not_add_link_to_self) {
168 ConfigWriter writer;
169
170 auto ns = CreateNamespaceWithLinks(
171 "test_namespace", true, true, "target_namespace1", "target_namespace2");
172 ns.GetLink("test_namespace").AddSharedLib("libtest.so");
173 ns.WriteConfig(writer);
174 auto config = writer.ToString();
175
176 ASSERT_EQ(config, kExpectedNamespaceWithLinkConfig);
177 }
178