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owenclave / app/src/main/java/io/nekohasekai/sagernet/fmt/shadowsocks/ShadowsocksBean.java
/******************************************************************************
* *
* Copyright (C) 2021 by nekohasekai *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see . *
* *
******************************************************************************/
package io.nekohasekai.sagernet.fmt.shadowsocks;
import androidx.annotation.NonNull;
import com.esotericsoftware.kryo.io.ByteBufferInput;
import com.esotericsoftware.kryo.io.ByteBufferOutput;
import org.jetbrains.annotations.NotNull;
import com.github.shadowsocks.plugin.PluginConfiguration;
import com.github.shadowsocks.plugin.PluginOptions;
import java.util.Objects;
import io.nekohasekai.sagernet.fmt.AbstractBean;
import io.nekohasekai.sagernet.fmt.KryoConverters;
import io.nekohasekai.sagernet.fmt.v2ray.StandardV2RayBean;
public class ShadowsocksBean extends StandardV2RayBean {
public String method;
public String password;
public String plugin;
public Boolean experimentReducedIvHeadEntropy;
public Boolean singUoT;
@Override
public void initializeDefaultValues() {
super.initializeDefaultValues();
if (method == null) method = "none";
if (password == null) password = "";
if (plugin == null) plugin = "";
if (experimentReducedIvHeadEntropy == null) experimentReducedIvHeadEntropy = false;
if (singUoT == null) singUoT = false;
}
@Override
public boolean canMapping() {
if (plugin.isEmpty()) {
return super.canMapping();
}
PluginConfiguration pluginConfiguration = new PluginConfiguration(plugin);
if (pluginConfiguration.getSelected().isEmpty()) {
return super.canMapping();
}
return false;
}
@Override
public void serialize(ByteBufferOutput output) {
output.writeInt(6);
super.serialize(output);
output.writeString(method);
output.writeString(password);
output.writeString(plugin);
output.writeBoolean(experimentReducedIvHeadEntropy);
output.writeBoolean(singUoT);
}
@Override
public void deserialize(ByteBufferInput input) {
int version = input.readInt();
if (version >= 5) {
super.deserialize(input);
} else {
serverAddress = input.readString();
serverPort = input.readInt();
}
method = input.readString();
password = input.readString();
plugin = input.readString();
if (version >= 1) {
experimentReducedIvHeadEntropy = input.readBoolean();
}
if (version == 2 || version == 3) {
input.readBoolean(); // uot, removed
}
if (version == 3) {
input.readBoolean(); // encryptedProtocolExtension, removed
}
if (version >= 6) {
singUoT = input.readBoolean();
}
}
public String protocolName() {
if (method.startsWith("2022-blake3-")) {
return "Shadowsocks 2022";
} else {
return "Shadowsocks";
}
}
@Override
public void applyFeatureSettings(AbstractBean other) {
if (!(other instanceof ShadowsocksBean bean)) return;
bean.experimentReducedIvHeadEntropy = experimentReducedIvHeadEntropy;
bean.singUoT = singUoT;
}
@NotNull
@Override
public ShadowsocksBean clone() {
return KryoConverters.deserialize(new ShadowsocksBean(), KryoConverters.serialize(this));
}
public static final Creator CREATOR = new CREATOR<>() {
@NonNull
@Override
public ShadowsocksBean newInstance() {
return new ShadowsocksBean();
}
@Override
public ShadowsocksBean[] newArray(int size) {
return new ShadowsocksBean[size];
}
};
@Override
public boolean isInsecure() {
if (!plugin.isEmpty()) {
PluginConfiguration pluginConfiguration = new PluginConfiguration(plugin);
String selectedPlugin = pluginConfiguration.getSelected();
switch (selectedPlugin) {
case "", "obfs-local":
break;
case "v2ray-plugin":
PluginOptions pluginOptions = pluginConfiguration.getOptions(selectedPlugin, () -> null);
if (pluginOptions.containsKey("tls")) {
return false;
}
if (Objects.equals(pluginOptions.get("mode"), "quic")) {
return false;
}
break;
default:
// Can not check if plugin is insecure or not
return false;
}
}
switch (method) {
case "aes-128-gcm", "aes-192-gcm", "aes-256-gcm", "chacha20-ietf-poly1305", "xchacha20-ietf-poly1305",
"2022-blake3-aes-128-gcm", "2022-blake3-aes-256-gcm", "2022-blake3-chacha20-poly1305":
return false;
}
return super.isInsecure();
}
}