1/*
2 * Copyright (C) 2017 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 <jni.h>
18
19#include <conscrypt/compatibility_close_monitor.h>
20#include <conscrypt/jniutil.h>
21#include <conscrypt/native_crypto.h>
22#include <conscrypt/macros.h>
23
24#ifndef CONSCRYPT_JNI_VERSION
25#define CONSCRYPT_JNI_VERSION JNI_VERSION_1_6
26#endif  // !CONSCRYPT_JNI_VERSION
27
28using conscrypt::CompatibilityCloseMonitor;
29using conscrypt::NativeCrypto;
30
31// Give client libs everything they need to initialize our JNI
32jint libconscrypt_JNI_OnLoad(JavaVM* vm, void*) {
33    JNIEnv* env;
34    if (vm->GetEnv(reinterpret_cast<void**>(&env), CONSCRYPT_JNI_VERSION) != JNI_OK) {
35        ALOGE("Could not get JNIEnv");
36        return JNI_ERR;
37    }
38
39    // Initialize the JNI constants.
40    conscrypt::jniutil::init(vm, env);
41
42    // Register all of the native JNI methods.
43    NativeCrypto::registerNativeMethods(env);
44
45    // Perform static initialization of the close monitor (if required on this platform).
46    CompatibilityCloseMonitor::init();
47    return CONSCRYPT_JNI_VERSION;
48}
49
50#ifdef STATIC_LIB
51
52// A version of OnLoad called when the Conscrypt library has been statically linked to the JVM (For
53// Java >= 1.8). The manner in which the library is statically linked is implementation specific.
54//
55// See http://openjdk.java.net/jeps/178
56CONSCRYPT_PUBLIC jint JNI_OnLoad_conscrypt(JavaVM* vm, void* reserved) {
57    return libconscrypt_JNI_OnLoad(vm, reserved);
58}
59
60#else  // !STATIC_LIB
61
62// Method called by the JVM when the Conscrypt shared library is loaded.
63CONSCRYPT_PUBLIC jint JNICALL JNI_OnLoad(JavaVM* vm, void* reserved) {
64    return libconscrypt_JNI_OnLoad(vm, reserved);
65}
66
67#endif  // !STATIC_LIB
68