1 /*
2  * Copyright 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 #include <android/file_descriptor_jni.h>
18 
19 #include "NetdClient.h"
20 #include "core_jni_helpers.h"
21 #include "jni.h"
22 
23 namespace android {
android_net_utils_setAllowNetworkingForProcess(JNIEnv * env,jclass clazz,jboolean hasConnectivity)24 static void android_net_utils_setAllowNetworkingForProcess(JNIEnv *env, jclass clazz,
25                                                            jboolean hasConnectivity) {
26     setAllowNetworkingForProcess(hasConnectivity == JNI_TRUE);
27 }
28 
android_net_utils_protectFromVpn(JNIEnv * env,jclass clazz,jint socket)29 static jboolean android_net_utils_protectFromVpn(JNIEnv *env, jclass clazz, jint socket) {
30     return (jboolean)!protectFromVpn(socket);
31 }
32 
android_net_utils_protectFromVpnWithFd(JNIEnv * env,jclass clazz,jobject javaFd)33 static jboolean android_net_utils_protectFromVpnWithFd(JNIEnv *env, jclass clazz, jobject javaFd) {
34     return android_net_utils_protectFromVpn(env, clazz, AFileDescriptor_getFd(env, javaFd));
35 }
36 
37 static const JNINativeMethod gNetworkUtilMethods[] = {
38         {"setAllowNetworkingForProcess", "(Z)V",
39          (void *)android_net_utils_setAllowNetworkingForProcess},
40         {"protectFromVpn", "(I)Z", (void *)android_net_utils_protectFromVpn},
41         {"protectFromVpn", "(Ljava/io/FileDescriptor;)Z",
42          (void *)android_net_utils_protectFromVpnWithFd},
43 };
44 
register_com_android_internal_net_NetworkUtilsInternal(JNIEnv * env)45 int register_com_android_internal_net_NetworkUtilsInternal(JNIEnv *env) {
46     return RegisterMethodsOrDie(env, "com/android/internal/net/NetworkUtilsInternal",
47                                 gNetworkUtilMethods, NELEM(gNetworkUtilMethods));
48 }
49 
50 } // namespace android
51