1 /*
2 * Copyright (C) 2020 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 // An implementation of the native-bridge interface for testing.
18
19 #include "nativebridge/native_bridge.h"
20
21 #include "NativeBridge6PreZygoteFork_lib.h"
22
23 // NativeBridgeCallbacks implementations
native_bridge6_initialize(const android::NativeBridgeRuntimeCallbacks *,const char *,const char *)24 extern "C" bool native_bridge6_initialize(
25 const android::NativeBridgeRuntimeCallbacks* /* art_cbs */,
26 const char* /* app_code_cache_dir */,
27 const char* /* isa */) {
28 return true;
29 }
30
native_bridge6_loadLibrary(const char *,int)31 extern "C" void* native_bridge6_loadLibrary(const char* /* libpath */, int /* flag */) {
32 return nullptr;
33 }
34
native_bridge6_getTrampoline(void *,const char *,const char *,uint32_t)35 extern "C" void* native_bridge6_getTrampoline(void* /* handle */, const char* /* name */,
36 const char* /* shorty */, uint32_t /* len */) {
37 return nullptr;
38 }
39
native_bridge6_isSupported(const char *)40 extern "C" bool native_bridge6_isSupported(const char* /* libpath */) {
41 return false;
42 }
43
native_bridge6_getAppEnv(const char *)44 extern "C" const struct android::NativeBridgeRuntimeValues* native_bridge6_getAppEnv(
45 const char* /* abi */) {
46 return nullptr;
47 }
48
native_bridge6_isCompatibleWith(uint32_t version)49 extern "C" bool native_bridge6_isCompatibleWith(uint32_t version) {
50 // For testing, allow 1-6, but disallow 7+.
51 return version <= 6;
52 }
53
native_bridge6_getSignalHandler(int)54 extern "C" android::NativeBridgeSignalHandlerFn native_bridge6_getSignalHandler(int /* signal */) {
55 return nullptr;
56 }
57
native_bridge6_unloadLibrary(void *)58 extern "C" int native_bridge6_unloadLibrary(void* /* handle */) {
59 return 0;
60 }
61
native_bridge6_getError()62 extern "C" const char* native_bridge6_getError() {
63 return nullptr;
64 }
65
native_bridge6_isPathSupported(const char *)66 extern "C" bool native_bridge6_isPathSupported(const char* /* path */) {
67 return true;
68 }
69
native_bridge6_initAnonymousNamespace(const char *,const char *)70 extern "C" bool native_bridge6_initAnonymousNamespace(const char* /* public_ns_sonames */,
71 const char* /* anon_ns_library_path */) {
72 return true;
73 }
74
75 extern "C" android::native_bridge_namespace_t*
native_bridge6_createNamespace(const char *,const char *,const char *,uint64_t,const char *,android::native_bridge_namespace_t *)76 native_bridge6_createNamespace(const char* /* name */,
77 const char* /* ld_library_path */,
78 const char* /* default_library_path */,
79 uint64_t /* type */,
80 const char* /* permitted_when_isolated_path */,
81 android::native_bridge_namespace_t* /* parent_ns */) {
82 return nullptr;
83 }
84
native_bridge6_linkNamespaces(android::native_bridge_namespace_t *,android::native_bridge_namespace_t *,const char *)85 extern "C" bool native_bridge6_linkNamespaces(android::native_bridge_namespace_t* /* from */,
86 android::native_bridge_namespace_t* /* to */,
87 const char* /* shared_libs_soname */) {
88 return true;
89 }
90
native_bridge6_loadLibraryExt(const char *,int,android::native_bridge_namespace_t *)91 extern "C" void* native_bridge6_loadLibraryExt(const char* /* libpath */,
92 int /* flag */,
93 android::native_bridge_namespace_t* /* ns */) {
94 return nullptr;
95 }
96
native_bridge6_getVendorNamespace()97 extern "C" android::native_bridge_namespace_t* native_bridge6_getVendorNamespace() {
98 return nullptr;
99 }
100
native_bridge6_getExportedNamespace(const char *)101 extern "C" android::native_bridge_namespace_t* native_bridge6_getExportedNamespace(const char* /* name */) {
102 return nullptr;
103 }
104
native_bridge6_preZygoteFork()105 extern "C" void native_bridge6_preZygoteFork() {
106 android::SetPreZygoteForkDone();
107 }
108
109 android::NativeBridgeCallbacks NativeBridgeItf{
110 // v1
111 .version = 6,
112 .initialize = &native_bridge6_initialize,
113 .loadLibrary = &native_bridge6_loadLibrary,
114 .getTrampoline = &native_bridge6_getTrampoline,
115 .isSupported = &native_bridge6_isSupported,
116 .getAppEnv = &native_bridge6_getAppEnv,
117 // v2
118 .isCompatibleWith = &native_bridge6_isCompatibleWith,
119 .getSignalHandler = &native_bridge6_getSignalHandler,
120 // v3
121 .unloadLibrary = &native_bridge6_unloadLibrary,
122 .getError = &native_bridge6_getError,
123 .isPathSupported = &native_bridge6_isPathSupported,
124 .initAnonymousNamespace = &native_bridge6_initAnonymousNamespace,
125 .createNamespace = &native_bridge6_createNamespace,
126 .linkNamespaces = &native_bridge6_linkNamespaces,
127 .loadLibraryExt = &native_bridge6_loadLibraryExt,
128 // v4
129 &native_bridge6_getVendorNamespace,
130 // v5
131 &native_bridge6_getExportedNamespace,
132 // v6
133 &native_bridge6_preZygoteFork};
134