LineageOS/android_packages_modules_Connectivity
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge "Move SocketUtils out of the connectivity module"

Browse Source
This commit is contained in:
Remi NGUYEN VAN
2021-03-02 06:44:01 +00:00
committed by Gerrit Code Review
parent 070ff8bb9c 1e29080037
commit e467f13ace
3 changed files with 0 additions and 150 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
framework/api/system-current.txt
View File

@@ -442,16 +442,3 @@ package android.net.apf {
} }
package android.net.util {
public final class SocketUtils {
method public static void bindSocketToInterface(@NonNull java.io.FileDescriptor, @NonNull String) throws android.system.ErrnoException;
method public static void closeSocket(@Nullable java.io.FileDescriptor) throws java.io.IOException;
method @NonNull public static java.net.SocketAddress makeNetlinkSocketAddress(int, int);
method @NonNull public static java.net.SocketAddress makePacketSocketAddress(int, int);
method @Deprecated @NonNull public static java.net.SocketAddress makePacketSocketAddress(int, @NonNull byte[]);
method @NonNull public static java.net.SocketAddress makePacketSocketAddress(int, int, @NonNull byte[]);
}
}

16
framework/src/android/net/NetworkUtils.java
View File

@@ -86,22 +86,6 @@ public class NetworkUtils {
*/ */
public static native int bindSocketToNetwork(FileDescriptor fd, int netId); public static native int bindSocketToNetwork(FileDescriptor fd, int netId);
/**
* Protect {@code fd} from VPN connections. After protecting, data sent through
* this socket will go directly to the underlying network, so its traffic will not be
* forwarded through the VPN.
*/
@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553,
publicAlternatives = "Use {@link android.net.VpnService#protect} instead.")
public static native boolean protectFromVpn(FileDescriptor fd);
/**
* Protect {@code socketfd} from VPN connections. After protecting, data sent through
* this socket will go directly to the underlying network, so its traffic will not be
* forwarded through the VPN.
*/
public native static boolean protectFromVpn(int socketfd);
/** /**
* Determine if {@code uid} can access network designated by {@code netId}. * Determine if {@code uid} can access network designated by {@code netId}.
* @return {@code true} if {@code uid} can access network, {@code false} otherwise. * @return {@code true} if {@code uid} can access network, {@code false} otherwise.

121
framework/src/android/net/util/SocketUtils.java
View File

@@ -1,121 +0,0 @@
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.net.util;
import static android.system.OsConstants.SOL_SOCKET;
import static android.system.OsConstants.SO_BINDTODEVICE;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.SystemApi;
import android.net.NetworkUtils;
import android.system.ErrnoException;
import android.system.NetlinkSocketAddress;
import android.system.Os;
import android.system.PacketSocketAddress;
import libcore.io.IoBridge;
import java.io.FileDescriptor;
import java.io.IOException;
import java.net.SocketAddress;
/**
* Collection of utilities to interact with raw sockets.
* @hide
*/
@SystemApi
public final class SocketUtils {
/**
* Create a raw datagram socket that is bound to an interface.
*
* <p>Data sent through the socket will go directly to the underlying network, ignoring VPNs.
*/
public static void bindSocketToInterface(@NonNull FileDescriptor socket, @NonNull String iface)
throws ErrnoException {
// SO_BINDTODEVICE actually takes a string. This works because the first member
// of struct ifreq is a NULL-terminated interface name.
// TODO: add a setsockoptString()
Os.setsockoptIfreq(socket, SOL_SOCKET, SO_BINDTODEVICE, iface);
NetworkUtils.protectFromVpn(socket);
}
/**
* Make a socket address to communicate with netlink.
*/
@NonNull
public static SocketAddress makeNetlinkSocketAddress(int portId, int groupsMask) {
return new NetlinkSocketAddress(portId, groupsMask);
}
/**
* Make socket address that packet sockets can bind to.
*
* @param protocol the layer 2 protocol of the packets to receive. One of the {@code ETH_P_*}
* constants in {@link android.system.OsConstants}.
* @param ifIndex the interface index on which packets will be received.
*/
@NonNull
public static SocketAddress makePacketSocketAddress(int protocol, int ifIndex) {
return new PacketSocketAddress(
protocol /* sll_protocol */,
ifIndex /* sll_ifindex */,
null /* sll_addr */);
}
/**
* Make a socket address that packet socket can send packets to.
* @deprecated Use {@link #makePacketSocketAddress(int, int, byte[])} instead.
*
* @param ifIndex the interface index on which packets will be sent.
* @param hwAddr the hardware address to which packets will be sent.
*/
@Deprecated
@NonNull
public static SocketAddress makePacketSocketAddress(int ifIndex, @NonNull byte[] hwAddr) {
return new PacketSocketAddress(
0 /* sll_protocol */,
ifIndex /* sll_ifindex */,
hwAddr /* sll_addr */);
}
/**
* Make a socket address that a packet socket can send packets to.
*
* @param protocol the layer 2 protocol of the packets to send. One of the {@code ETH_P_*}
* constants in {@link android.system.OsConstants}.
* @param ifIndex the interface index on which packets will be sent.
* @param hwAddr the hardware address to which packets will be sent.
*/
@NonNull
public static SocketAddress makePacketSocketAddress(int protocol, int ifIndex,
@NonNull byte[] hwAddr) {
return new PacketSocketAddress(
protocol /* sll_protocol */,
ifIndex /* sll_ifindex */,
hwAddr /* sll_addr */);
}
/**
* @see IoBridge#closeAndSignalBlockedThreads(FileDescriptor)
*/
public static void closeSocket(@Nullable FileDescriptor fd) throws IOException {
IoBridge.closeAndSignalBlockedThreads(fd);
}
private SocketUtils() {}
}