1 /*
2 * Copyright (C) 2023 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 "NativeBridge7CriticalNative_lib.h"
20 #include "nativebridge/native_bridge.h"
21
22 // NativeBridgeCallbacks implementations
native_bridge7_initialize(const android::NativeBridgeRuntimeCallbacks *,const char *,const char *)23 extern "C" bool native_bridge7_initialize(
24 const android::NativeBridgeRuntimeCallbacks* /* art_cbs */,
25 const char* /* app_code_cache_dir */,
26 const char* /* isa */) {
27 return true;
28 }
29
native_bridge7_loadLibrary(const char *,int)30 extern "C" void* native_bridge7_loadLibrary(const char* /* libpath */, int /* flag */) {
31 return nullptr;
32 }
33
native_bridge7_getTrampoline(void *,const char *,const char *,uint32_t)34 extern "C" void* native_bridge7_getTrampoline(void* /* handle */,
35 const char* /* name */,
36 const char* /* shorty */,
37 uint32_t /* len */) {
38 android::SetLegacyGetTrampolineCalled();
39 return nullptr;
40 }
41
native_bridge7_getTrampoline2(void *,const char *,const char *,uint32_t,android::JNICallType jni_call_type)42 extern "C" void* native_bridge7_getTrampoline2(void* /* handle */,
43 const char* /* name */,
44 const char* /* shorty */,
45 uint32_t /* len */,
46 android::JNICallType jni_call_type) {
47 android::SetGetTrampoline2Called(jni_call_type);
48 return nullptr;
49 }
50
native_bridge7_getTrampolineForFunctionPointer(const void *,const char *,uint32_t,android::JNICallType jni_call_type)51 extern "C" void* native_bridge7_getTrampolineForFunctionPointer(
52 const void* /* method */,
53 const char* /* shorty */,
54 uint32_t /* len */,
55 android::JNICallType jni_call_type) {
56 android::SetGetTrampolineFnPtrCalled(jni_call_type);
57 return nullptr;
58 }
59
native_bridge7_isSupported(const char *)60 extern "C" bool native_bridge7_isSupported(const char* /* libpath */) { return false; }
61
native_bridge7_getAppEnv(const char *)62 extern "C" const struct android::NativeBridgeRuntimeValues* native_bridge7_getAppEnv(
63 const char* /* abi */) {
64 return nullptr;
65 }
66
native_bridge7_isCompatibleWith(uint32_t version)67 extern "C" bool native_bridge7_isCompatibleWith(uint32_t version) {
68 // For testing, allow 1-7, but disallow 8+.
69 return version <= 7;
70 }
71
native_bridge7_getSignalHandler(int)72 extern "C" android::NativeBridgeSignalHandlerFn native_bridge7_getSignalHandler(int /* signal */) {
73 return nullptr;
74 }
75
native_bridge7_unloadLibrary(void *)76 extern "C" int native_bridge7_unloadLibrary(void* /* handle */) { return 0; }
77
native_bridge7_getError()78 extern "C" const char* native_bridge7_getError() { return nullptr; }
79
native_bridge7_isPathSupported(const char *)80 extern "C" bool native_bridge7_isPathSupported(const char* /* path */) { return true; }
81
native_bridge7_createNamespace(const char *,const char *,const char *,uint64_t,const char *,android::native_bridge_namespace_t *)82 extern "C" android::native_bridge_namespace_t* native_bridge7_createNamespace(
83 const char* /* name */,
84 const char* /* ld_library_path */,
85 const char* /* default_library_path */,
86 uint64_t /* type */,
87 const char* /* permitted_when_isolated_path */,
88 android::native_bridge_namespace_t* /* parent_ns */) {
89 return nullptr;
90 }
91
native_bridge7_linkNamespaces(android::native_bridge_namespace_t *,android::native_bridge_namespace_t *,const char *)92 extern "C" bool native_bridge7_linkNamespaces(android::native_bridge_namespace_t* /* from */,
93 android::native_bridge_namespace_t* /* to */,
94 const char* /* shared_libs_soname */) {
95 return true;
96 }
97
native_bridge7_loadLibraryExt(const char *,int,android::native_bridge_namespace_t *)98 extern "C" void* native_bridge7_loadLibraryExt(const char* /* libpath */,
99 int /* flag */,
100 android::native_bridge_namespace_t* /* ns */) {
101 return nullptr;
102 }
103
native_bridge7_getVendorNamespace()104 extern "C" android::native_bridge_namespace_t* native_bridge7_getVendorNamespace() {
105 return nullptr;
106 }
107
native_bridge7_getExportedNamespace(const char *)108 extern "C" android::native_bridge_namespace_t* native_bridge7_getExportedNamespace(
109 const char* /* name */) {
110 return nullptr;
111 }
112
native_bridge7_preZygoteFork()113 extern "C" void native_bridge7_preZygoteFork() {}
114
115 android::NativeBridgeCallbacks NativeBridgeItf{
116 // v1
117 .version = 7,
118 .initialize = &native_bridge7_initialize,
119 .loadLibrary = &native_bridge7_loadLibrary,
120 .getTrampoline = &native_bridge7_getTrampoline,
121 .isSupported = &native_bridge7_isSupported,
122 .getAppEnv = &native_bridge7_getAppEnv,
123 // v2
124 .isCompatibleWith = &native_bridge7_isCompatibleWith,
125 .getSignalHandler = &native_bridge7_getSignalHandler,
126 // v3
127 .unloadLibrary = &native_bridge7_unloadLibrary,
128 .getError = &native_bridge7_getError,
129 .isPathSupported = &native_bridge7_isPathSupported,
130 .unused_initAnonymousNamespace = nullptr,
131 .createNamespace = &native_bridge7_createNamespace,
132 .linkNamespaces = &native_bridge7_linkNamespaces,
133 .loadLibraryExt = &native_bridge7_loadLibraryExt,
134 // v4
135 &native_bridge7_getVendorNamespace,
136 // v5
137 &native_bridge7_getExportedNamespace,
138 // v6
139 &native_bridge7_preZygoteFork,
140 // v7
141 &native_bridge7_getTrampoline2,
142 &native_bridge7_getTrampolineForFunctionPointer,
143 };
144