AZEN-SGG/amnezia-client
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Shadowsocks open source code added

Browse source
This commit is contained in:
aman 2022-03-17 11:38:48 +05:30
parent 4a6ea38ef8
commit ccdd433e35
57 changed files with 4753 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

13
client/android/aidl/com/github/shadowsocks/aidl/IShadowsocksService.aidl Normal file
View file

@ -0,0 +1,13 @@
package com.github.shadowsocks.aidl;
import com.github.shadowsocks.aidl.IShadowsocksServiceCallback;
interface IShadowsocksService {
int getState();
String getProfileName();
void registerCallback(in IShadowsocksServiceCallback cb);
void startListeningForBandwidth(in IShadowsocksServiceCallback cb, long timeout);
oneway void stopListeningForBandwidth(in IShadowsocksServiceCallback cb);
oneway void unregisterCallback(in IShadowsocksServiceCallback cb);
}

11
client/android/aidl/com/github/shadowsocks/aidl/IShadowsocksServiceCallback.aidl Normal file
View file

@ -0,0 +1,11 @@
package com.github.shadowsocks.aidl;
import com.github.shadowsocks.aidl.TrafficStats;
//"oneway" unexpected. xinlake
interface IShadowsocksServiceCallback {
oneway void stateChanged(int state, String profileName, String msg);
oneway void trafficUpdated(long profileId, in TrafficStats stats);
// Traffic data has persisted to database, listener should refetch their data from database
oneway void trafficPersisted(long profileId);
}

3
client/android/aidl/com/github/shadowsocks/aidl/TrafficStats.aidl Normal file
View file

@ -0,0 +1,3 @@
package com.github.shadowsocks.aidl;
parcelable TrafficStats;

20
client/android/assets/acl/bypass-lan.acl Normal file
View file

@ -0,0 +1,20 @@
[proxy_all]
[bypass_list]
0.0.0.0/8
10.0.0.0/8
100.64.0.0/10
127.0.0.0/8
169.254.0.0/16
172.16.0.0/12
192.0.0.0/24
192.0.2.0/24
192.31.196.0/24
192.52.193.0/24
192.88.99.0/24
192.168.0.0/16
192.175.48.0/24
198.18.0.0/15
198.51.100.0/24
203.0.113.0/24
224.0.0.0/3

12
client/android/build.gradle
View file

@ -1,6 +1,6 @@
buildscript { buildscript {
ext{ ext{
kotlin_version = "1.4.30-M1" kotlin_version = "1.5.0"
// for libwg // for libwg
appcompatVersion = '1.1.0' appcompatVersion = '1.1.0'
annotationsVersion = '1.0.1' annotationsVersion = '1.0.1'
@ -43,6 +43,15 @@ dependencies {
implementation "androidx.security:security-identity-credential:1.0.0-alpha02" implementation "androidx.security:security-identity-credential:1.0.0-alpha02"
implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.2.2" implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.2.2"
coreLibraryDesugaring "com.android.tools:desugar_jdk_libs:1.0.10" coreLibraryDesugaring "com.android.tools:desugar_jdk_libs:1.0.10"
//ss
implementation "androidx.preference:preference:1.1.0"
implementation "androidx.work:work-runtime-ktx:2.3.4"
implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:2.2.0"
implementation "androidx.room:room-runtime:2.2.5" // runtime
implementation "dnsjava:dnsjava:2.1.9"
implementation "com.google.code.gson:gson:2.8.5"
implementation "org.connectbot.jsocks:jsocks:1.0.0"
annotationProcessor "androidx.room:room-compiler:2.3.0"
} }
android { android {
@ -88,6 +97,7 @@ android {
sourceCompatibility JavaVersion.VERSION_1_8 sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8 targetCompatibility JavaVersion.VERSION_1_8
} }
kotlinOptions.jvmTarget = JavaVersion.VERSION_1_8
lintOptions { lintOptions {
abortOnError false abortOnError false

0
client/android/gradlew vendored Normal file → Executable file
View file

10
client/android/res/drawable/ic_navigation_close.xml Normal file
View file

@ -0,0 +1,10 @@
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="24dp"
android:height="24dp"
android:viewportWidth="24.0"
android:viewportHeight="24.0"
android:tint="?attr/colorControlNormal">
<path
android:fillColor="#FFFFFFFF"
android:pathData="M19,6.41L17.59,5 12,10.59 6.41,5 5,6.41 10.59,12 5,17.59 6.41,19 12,13.41 17.59,19 19,17.59 13.41,12z" />
</vector>

11
client/android/res/drawable/ic_service_active.xml Normal file
View file

@ -0,0 +1,11 @@
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="24dp"
android:height="24dp"
android:viewportWidth="24"
android:viewportHeight="24">
<path
android:name="path"
android:fillColor="#fff"
android:pathData="M 21.25 2.28 L 17.55 18.55 L 9.26 15.89 L 16.58 7.16 L 6.83 15.37 L 0 12.8 L 21.25 2.28 ZM 9.45 17.56 L 12.09 18.41 L 9.46 22 L 9.45 17.56 Z" />
</vector>

11
client/android/res/drawable/ic_service_busy.xml Normal file
View file

@ -0,0 +1,11 @@
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="24dp"
android:height="24dp"
android:viewportWidth="24"
android:viewportHeight="24">
<path
android:name="path"
android:fillColor="#fff"
android:pathData="M17.68,9l-1.59,7L12.7,14.89l5-5.93M10,10.08l-3.57,3L5,12.55l5-2.47M21.25,2.28L0,12.8l6.83,2.57,9.76-8.21L9.26,15.89l8.29,2.67,3.7-16.27h0ZM 9.45 17.56 L 9.46 22 L 12.09 18.41 L 9.45 17.56 L 9.45 17.56 Z" />
</vector>

16
client/android/res/drawable/ic_service_connected.xml Normal file
View file

@ -0,0 +1,16 @@
<?xml version="1.0" encoding="utf-8"?>
<animated-vector xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:aapt="http://schemas.android.com/aapt"
android:drawable="@drawable/ic_service_busy">
<target android:name="path">
<aapt:attr name="android:animation">
<objectAnimator
android:propertyName="pathData"
android:duration="@android:integer/config_mediumAnimTime"
android:valueFrom="M 17.68 9 L 16.09 16 L 12.7 14.89 L 17.7 8.96 M 10 10.08 L 6.43 13.08 L 5 12.55 L 10 10.08 M 21.25 2.28 L 0 12.8 L 6.83 15.37 L 16.59 7.16 L 9.26 15.89 L 17.55 18.56 L 21.25 2.29 L 21.25 2.29 Z M 9.45 17.56 L 9.46 22 L 12.09 18.41 L 9.45 17.56 L 9.45 17.56 Z"
android:valueTo="M 15.5 13.28 L 15.5 13.28 L 15.5 13.28 L 15.5 13.28 M 7.14 11.9 L 7.14 11.9 L 7.14 11.9 L 7.14 11.9 M 21.25 2.28 L 0 12.8 L 6.83 15.37 L 16.59 7.16 L 9.26 15.89 L 17.55 18.56 L 21.25 2.29 L 21.25 2.29 Z M 9.45 17.56 L 9.46 22 L 12.09 18.41 L 9.45 17.56 L 9.45 17.56 Z"
android:valueType="pathType"
android:interpolator="@android:interpolator/fast_out_slow_in" />
</aapt:attr>
</target>
</animated-vector>

27
client/android/res/drawable/ic_service_connecting.xml Normal file
View file

@ -0,0 +1,27 @@
<?xml version="1.0" encoding="utf-8"?>
<animated-vector xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:aapt="http://schemas.android.com/aapt"
android:drawable="@drawable/ic_service_idle">
<target android:name="strike_thru_path">
<aapt:attr name="android:animation">
<objectAnimator
android:propertyName="pathData"
android:duration="@android:integer/config_mediumAnimTime"
android:valueFrom="M 19.73 22 L 21 20.73 L 3.27 3 L 2 4.27 Z"
android:valueTo="M 2 4.27 L 3.27 3 L 3.27 3 L 2 4.27 Z"
android:valueType="pathType"
android:interpolator="@android:interpolator/fast_out_slow_in" />
</aapt:attr>
</target>
<target android:name="strike_thru_mask">
<aapt:attr name="android:animation">
<objectAnimator
android:propertyName="pathData"
android:duration="@android:integer/config_mediumAnimTime"
android:valueFrom="M 0 0 L 24 0 L 24 24 L 0 24 L 0 0 Z M 4.54 1.73 L 3.27 3 L 21 20.73 L 22.27 19.46 Z"
android:valueTo="M 0 0 L 24 0 L 24 24 L 0 24 L 0 0 Z M 4.54 1.73 L 3.27 3 L 3.27 3 L 4.54 1.73 Z"
android:valueType="pathType"
android:interpolator="@android:interpolator/fast_out_slow_in" />
</aapt:attr>
</target>
</animated-vector>

18
client/android/res/drawable/ic_service_idle.xml Normal file
View file

@ -0,0 +1,18 @@
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="24dp"
android:height="24dp"
android:viewportWidth="24"
android:viewportHeight="24">
<path
android:name="strike_thru_path"
android:pathData="M 19.73 22 L 21 20.73 L 3.27 3 L 2 4.27 Z"
android:fillColor="#fff"
android:strokeWidth="1" />
<clip-path
android:name="strike_thru_mask"
android:pathData="M 0 0 L 24 0 L 24 24 L 0 24 L 0 0 Z M 4.54 1.73 L 3.27 3 L 21 20.73 L 22.27 19.46 Z" />
<path
android:name="holey_icon"
android:pathData="M17.68,9l-1.59,7L12.7,14.89l5-5.93M10,10.08l-3.57,3L5,12.55l5-2.47M21.25,2.28L0,12.8l6.83,2.57,9.76-8.21L9.26,15.89l8.29,2.67,3.7-16.27h0ZM 9.45 17.56 L 9.46 22 L 12.09 18.41 L 9.45 17.56 L 9.45 17.56 Z"
android:fillColor="#fff" />
</vector>

27
client/android/res/drawable/ic_service_stopped.xml Normal file
View file

@ -0,0 +1,27 @@
<?xml version="1.0" encoding="utf-8"?>
<animated-vector xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:aapt="http://schemas.android.com/aapt"
android:drawable="@drawable/ic_service_idle">
<target android:name="strike_thru_path">
<aapt:attr name="android:animation">
<objectAnimator
android:propertyName="pathData"
android:duration="@android:integer/config_mediumAnimTime"
android:valueFrom="M 2 4.27 L 3.27 3 L 3.27 3 L 2 4.27 Z"
android:valueTo="M 19.73 22 L 21 20.73 L 3.27 3 L 2 4.27 Z"
android:valueType="pathType"
android:interpolator="@android:interpolator/fast_out_slow_in" />
</aapt:attr>
</target>
<target android:name="strike_thru_mask">
<aapt:attr name="android:animation">
<objectAnimator
android:propertyName="pathData"
android:duration="@android:integer/config_mediumAnimTime"
android:valueFrom="M 0 0 L 24 0 L 24 24 L 0 24 L 0 0 Z M 4.54 1.73 L 3.27 3 L 3.27 3 L 4.54 1.73 Z"
android:valueTo="M 0 0 L 24 0 L 24 24 L 0 24 L 0 0 Z M 4.54 1.73 L 3.27 3 L 21 20.73 L 22.27 19.46 Z"
android:valueType="pathType"
android:interpolator="@android:interpolator/fast_out_slow_in" />
</aapt:attr>
</target>
</animated-vector>

16
client/android/res/drawable/ic_service_stopping.xml Normal file
View file

@ -0,0 +1,16 @@
<?xml version="1.0" encoding="utf-8"?>
<animated-vector xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:aapt="http://schemas.android.com/aapt"
android:drawable="@drawable/ic_service_busy">
<target android:name="path">
<aapt:attr name="android:animation">
<objectAnimator
android:propertyName="pathData"
android:duration="@android:integer/config_mediumAnimTime"
android:valueFrom="M 15.5 13.28 L 15.5 13.28 L 15.5 13.28 L 15.5 13.28 M 7.14 11.9 L 7.14 11.9 L 7.14 11.9 L 7.14 11.9 M 21.25 2.28 L 0 12.8 L 6.83 15.37 L 16.59 7.16 L 9.26 15.89 L 17.55 18.56 L 21.25 2.29 L 21.25 2.29 Z M 9.45 17.56 L 9.46 22 L 12.09 18.41 L 9.45 17.56 L 9.45 17.56 Z"
android:valueTo="M 17.68 9 L 16.09 16 L 12.7 14.89 L 17.7 8.96 M 10 10.08 L 6.43 13.08 L 5 12.55 L 10 10.08 M 21.25 2.28 L 0 12.8 L 6.83 15.37 L 16.59 7.16 L 9.26 15.89 L 17.55 18.56 L 21.25 2.29 L 21.25 2.29 Z M 9.45 17.56 L 9.46 22 L 12.09 18.41 L 9.45 17.56 L 9.45 17.56 Z"
android:valueType="pathType"
android:interpolator="@android:interpolator/fast_out_slow_in" />
</aapt:attr>
</target>
</animated-vector>

11
client/android/res/drawable/ic_social_share.xml Normal file
View file

@ -0,0 +1,11 @@
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="24dp"
android:height="24dp"
android:autoMirrored="true"
android:viewportWidth="24.0"
android:viewportHeight="24.0"
android:tint="?attr/colorControlNormal">
<path
android:fillColor="#FF000000"
android:pathData="M18,16.08c-0.76,0 -1.44,0.3 -1.96,0.77L8.91,12.7c0.05,-0.23 0.09,-0.46 0.09,-0.7s-0.04,-0.47 -0.09,-0.7l7.05,-4.11c0.54,0.5 1.25,0.81 2.04,0.81 1.66,0 3,-1.34 3,-3s-1.34,-3 -3,-3 -3,1.34 -3,3c0,0.24 0.04,0.47 0.09,0.7L8.04,9.81C7.5,9.31 6.79,9 6,9c-1.66,0 -3,1.34 -3,3s1.34,3 3,3c0.79,0 1.5,-0.31 2.04,-0.81l7.12,4.16c-0.05,0.21 -0.08,0.43 -0.08,0.65 0,1.61 1.31,2.92 2.92,2.92 1.61,0 2.92,-1.31 2.92,-2.92s-1.31,-2.92 -2.92,-2.92z" />
</vector>

210
client/android/res/values/arrays.xml Normal file
View file

@ -0,0 +1,210 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string-array name="add_first_profile">
<item>@string/add_profile_methods_scan_qr_code</item>
<item>@string/action_import_file</item>
<item>@string/add_profile_methods_manual_settings</item>
</string-array>
<string-array name="enc_method_entry" translatable="false">
<item>RC4-MD5</item>
<item>AES-128-CFB</item>
<item>AES-192-CFB</item>
<item>AES-256-CFB</item>
<item>AES-128-CTR</item>
<item>AES-192-CTR</item>
<item>AES-256-CTR</item>
<item>BF-CFB</item>
<item>CAMELLIA-128-CFB</item>
<item>CAMELLIA-192-CFB</item>
<item>CAMELLIA-256-CFB</item>
<item>SALSA20</item>
<item>CHACHA20</item>
<item>CHACHA20-IETF</item>
<item>AES-128-GCM</item>
<item>AES-192-GCM</item>
<item>AES-256-GCM</item>
<item>CHACHA20-IETF-POLY1305</item>
<item>XCHACHA20-IETF-POLY1305</item>
</string-array>
<string-array name="enc_method_value" translatable="false">
<item>rc4-md5</item>
<item>aes-128-cfb</item>
<item>aes-192-cfb</item>
<item>aes-256-cfb</item>
<item>aes-128-ctr</item>
<item>aes-192-ctr</item>
<item>aes-256-ctr</item>
<item>bf-cfb</item>
<item>camellia-128-cfb</item>
<item>camellia-192-cfb</item>
<item>camellia-256-cfb</item>
<item>salsa20</item>
<item>chacha20</item>
<item>chacha20-ietf</item>
<item>aes-128-gcm</item>
<item>aes-192-gcm</item>
<item>aes-256-gcm</item>
<item>chacha20-ietf-poly1305</item>
<item>xchacha20-ietf-poly1305</item>
</string-array>
<string-array name="bypass_private_route" translatable="false">
<item>1.0.0.0/8</item>
<item>2.0.0.0/7</item>
<item>4.0.0.0/6</item>
<item>8.0.0.0/7</item>
<item>11.0.0.0/8</item>
<item>12.0.0.0/6</item>
<item>16.0.0.0/4</item>
<item>32.0.0.0/3</item>
<item>64.0.0.0/3</item>
<item>96.0.0.0/6</item>
<item>100.0.0.0/10</item>
<item>100.128.0.0/9</item>
<item>101.0.0.0/8</item>
<item>102.0.0.0/7</item>
<item>104.0.0.0/5</item>
<item>112.0.0.0/10</item>
<item>112.64.0.0/11</item>
<item>112.96.0.0/12</item>
<item>112.112.0.0/13</item>
<item>112.120.0.0/14</item>
<item>112.124.0.0/19</item>
<item>112.124.32.0/21</item>
<item>112.124.40.0/22</item>
<item>112.124.44.0/23</item>
<item>112.124.46.0/24</item>
<item>112.124.48.0/20</item>
<item>112.124.64.0/18</item>
<item>112.124.128.0/17</item>
<item>112.125.0.0/16</item>
<item>112.126.0.0/15</item>
<item>112.128.0.0/9</item>
<item>113.0.0.0/8</item>
<item>114.0.0.0/10</item>
<item>114.64.0.0/11</item>
<item>114.96.0.0/12</item>
<item>114.112.0.0/15</item>
<item>114.114.0.0/18</item>
<item>114.114.64.0/19</item>
<item>114.114.96.0/20</item>
<item>114.114.112.0/23</item>
<item>114.114.115.0/24</item>
<item>114.114.116.0/22</item>
<item>114.114.120.0/21</item>
<item>114.114.128.0/17</item>
<item>114.115.0.0/16</item>
<item>114.116.0.0/14</item>
<item>114.120.0.0/13</item>
<item>114.128.0.0/9</item>
<item>115.0.0.0/8</item>
<item>116.0.0.0/6</item>
<item>120.0.0.0/6</item>
<item>124.0.0.0/7</item>
<item>126.0.0.0/8</item>
<item>128.0.0.0/3</item>
<item>160.0.0.0/5</item>
<item>168.0.0.0/8</item>
<item>169.0.0.0/9</item>
<item>169.128.0.0/10</item>
<item>169.192.0.0/11</item>
<item>169.224.0.0/12</item>
<item>169.240.0.0/13</item>
<item>169.248.0.0/14</item>
<item>169.252.0.0/15</item>
<item>169.255.0.0/16</item>
<item>170.0.0.0/7</item>
<item>172.0.0.0/12</item>
<item>172.32.0.0/11</item>
<item>172.64.0.0/10</item>
<item>172.128.0.0/9</item>
<item>173.0.0.0/8</item>
<item>174.0.0.0/7</item>
<item>176.0.0.0/4</item>
<item>192.0.0.8/29</item>
<item>192.0.0.16/28</item>
<item>192.0.0.32/27</item>
<item>192.0.0.64/26</item>
<item>192.0.0.128/25</item>
<item>192.0.1.0/24</item>
<item>192.0.3.0/24</item>
<item>192.0.4.0/22</item>
<item>192.0.8.0/21</item>
<item>192.0.16.0/20</item>
<item>192.0.32.0/19</item>
<item>192.0.64.0/18</item>
<item>192.0.128.0/17</item>
<item>192.1.0.0/16</item>
<item>192.2.0.0/15</item>
<item>192.4.0.0/14</item>
<item>192.8.0.0/13</item>
<item>192.16.0.0/12</item>
<item>192.32.0.0/11</item>
<item>192.64.0.0/12</item>
<item>192.80.0.0/13</item>
<item>192.88.0.0/18</item>
<item>192.88.64.0/19</item>
<item>192.88.96.0/23</item>
<item>192.88.98.0/24</item>
<item>192.88.100.0/22</item>
<item>192.88.104.0/21</item>
<item>192.88.112.0/20</item>
<item>192.88.128.0/17</item>
<item>192.89.0.0/16</item>
<item>192.90.0.0/15</item>
<item>192.92.0.0/14</item>
<item>192.96.0.0/11</item>
<item>192.128.0.0/11</item>
<item>192.160.0.0/13</item>
<item>192.169.0.0/16</item>
<item>192.170.0.0/15</item>
<item>192.172.0.0/14</item>
<item>192.176.0.0/12</item>
<item>192.192.0.0/10</item>
<item>193.0.0.0/8</item>
<item>194.0.0.0/7</item>
<item>196.0.0.0/7</item>
<item>198.0.0.0/12</item>
<item>198.16.0.0/15</item>
<item>198.20.0.0/14</item>
<item>198.24.0.0/13</item>
<item>198.32.0.0/12</item>
<item>198.48.0.0/15</item>
<item>198.50.0.0/16</item>
<item>198.51.0.0/18</item>
<item>198.51.64.0/19</item>
<item>198.51.96.0/22</item>
<item>198.51.101.0/24</item>
<item>198.51.102.0/23</item>
<item>198.51.104.0/21</item>
<item>198.51.112.0/20</item>
<item>198.51.128.0/17</item>
<item>198.52.0.0/14</item>
<item>198.56.0.0/13</item>
<item>198.64.0.0/10</item>
<item>198.128.0.0/9</item>
<item>199.0.0.0/8</item>
<item>200.0.0.0/7</item>
<item>202.0.0.0/8</item>
<item>203.0.0.0/18</item>
<item>203.0.64.0/19</item>
<item>203.0.96.0/20</item>
<item>203.0.112.0/24</item>
<item>203.0.114.0/23</item>
<item>203.0.116.0/22</item>
<item>203.0.120.0/21</item>
<item>203.0.128.0/17</item>
<item>203.1.0.0/16</item>
<item>203.2.0.0/15</item>
<item>203.4.0.0/14</item>
<item>203.8.0.0/13</item>
<item>203.16.0.0/12</item>
<item>203.32.0.0/11</item>
<item>203.64.0.0/10</item>
<item>203.128.0.0/9</item>
<item>204.0.0.0/6</item>
<item>208.0.0.0/4</item>
</string-array>
</resources>

35
client/android/res/values/colors.xml Normal file
View file

@ -0,0 +1,35 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="background_selected">@color/material_primary_100</color>
<color name="background_stat">@color/material_primary_300</color>
<color name="ic_launcher_background">#7488A1</color>
<!-- ssplugin ============================================ -->
<color name="material_green_700">#388E3C</color>
<color name="material_green_a700">#00C853</color>
<color name="material_blue_grey_100">#CFD8DC</color>
<color name="material_blue_grey_300">#90A4AE</color>
<color name="material_blue_grey_500">#607D8B</color>
<color name="material_blue_grey_600">#546E7A</color>
<color name="material_blue_grey_700">#455A64</color>
<color name="material_primary_100">@color/material_blue_grey_100</color>
<color name="material_primary_300">@color/material_blue_grey_300</color>
<color name="material_primary_500">@color/material_blue_grey_500</color>
<color name="material_primary_600">@color/material_blue_grey_600</color>
<color name="material_primary_700">@color/material_blue_grey_700</color>
<color name="material_primary_800">@color/material_blue_grey_800</color>
<color name="material_primary_900">@color/material_blue_grey_900</color>
<color name="material_accent_200">@color/material_green_a700</color>
<color name="light_color_primary">@color/material_primary_500</color>
<color name="light_color_primary_dark">@color/material_primary_700</color>
<color name="light_color_primary_text">@color/material_primary_500</color>
<color name="dark_color_primary">@color/material_primary_800</color>
<color name="dark_color_primary_dark">@color/material_primary_900</color>
<color name="dark_color_primary_text">@color/material_primary_300</color>
<color name="color_primary">@color/light_color_primary</color>
<color name="color_primary_dark">@color/light_color_primary_dark</color>
<color name="color_primary_text">@color/light_color_primary_text</color>
</resources>

7
client/android/res/values/dimen.xml Normal file
View file

@ -0,0 +1,7 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<dimen name="qr_code_size">250dp</dimen>
<dimen name="profile_padding">8dp</dimen>
<dimen name="main_list_padding_bottom">88dp</dimen>
<dimen name="bottom_sheet_padding">8dp</dimen>
</resources>

113
client/android/res/values/strings.xml Normal file
View file

@ -0,0 +1,113 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="app_name">Shadowsocks</string>
<string name="send_email">Send email</string>
<!-- ssplugin -->
<string name="proxy_cat">Server Settings</string>
<string name="feature_cat">Feature Settings</string>
<string name="unsaved_changes_prompt">Changes not saved. Do you want to save?</string>
<string name="yes">Yes</string>
<string name="no">No</string>
<string name="apply">Apply</string>
<string name="file_manager_missing">File Explorer Missing</string>
<string name="browse">Browse…</string>
<!-- proxy category -->
<string name="profile_name">Profile Name</string>
<string name="proxy">Server</string>
<string name="remote_port">Remote Port</string>
<string name="sitekey">Password</string>
<string name="enc_method">Encrypt Method</string>
<!-- feature category -->
<string name="ipv6">IPv6 Route</string>
<string name="ipv6_summary">Redirect IPv6 traffic to remote</string>
<string name="on">On</string>
<string name="off">Off</string>
<string name="tcp_fastopen_summary">Toggling might require ROOT permission</string>
<string name="tcp_fastopen_summary_unsupported">Unsupported kernel version: %s &lt; 3.7.1</string>
<string name="tcp_fastopen_failure">Toggle failed</string>
<string name="udp_dns">Send DNS over UDP</string>
<string name="udp_dns_summary">Requires UDP forwarding on server side</string>
<!-- notification category -->
<string name="service_vpn">VPN Service</string>
<string name="forward_success">Shadowsocks started.</string>
<string name="invalid_server">Invalid server name</string>
<string name="service_failed">Failed to connect the remote server</string>
<string name="stop">Stop</string>
<string name="stopping">Shutting down…</string>
<string name="vpn_error">%s</string>
<string name="vpn_permission_denied">Permission denied to create a VPN service</string>
<string name="reboot_required">Failed to start VPN service. You might need to reboot your device.</string>
<string name="profile_invalid_input">No valid profile data found.</string>
<!-- alert category -->
<string name="profile_empty">Please select a profile</string>
<string name="proxy_empty">Proxy/Password should not be empty</string>
<string name="connect">Connect</string>
<!-- menu category -->
<string name="profiles">Profiles</string>
<string name="settings">Settings</string>
<string name="about">About</string>
<string name="about_title">Shadowsocks %s</string>
<string name="edit">Edit</string>
<string name="share">Share</string>
<string name="add_profile">Add Profile</string>
<string name="action_apply_all">Apply Settings to All Profiles</string>
<string name="action_export_more">Export…</string>
<string name="action_export_file">Export to file…</string>
<string name="action_export">Export to Clipboard</string>
<string name="action_import">Import from Clipboard</string>
<string name="action_import_file">Import from file…</string>
<string name="action_replace_file">Replace from file…</string>
<string name="action_export_msg">Successfully export!</string>
<string name="action_export_err">Failed to export.</string>
<string name="action_import_msg">Successfully import!</string>
<string name="action_import_err">Failed to import.</string>
<string name="action_fetch_location">Fetch location</string>
<!-- profile -->
<string name="profile_config">Profile config</string>
<string name="delete">Remove</string>
<string name="delete_confirm_prompt">Are you sure you want to remove this profile?</string>
<string name="share_qr_nfc">QR code</string>
<string name="add_profile_dialog">Add this Shadowsocks Profile?</string>
<string name="add_profile_methods_scan_qr_code">Scan QR code</string>
<string name="add_profile_methods_manual_settings">Manual Settings</string>
<string name="add_profile_scanner_permission_required">Camera permission is required for scanning QR code.</string>
<string name="undo">Undo</string>
<!-- status -->
<string name="connecting">Connecting…</string>
<string name="vpn_connected">Connected, tap to check connection</string>
<string name="not_connected">Not connected</string>
<string name="sent">Sent</string>
<string name="received">Received</string>
<!-- misc -->
<string name="add_first_profile">There is no profile currently, would you like to add it now?</string>
<string name="port_proxy">SOCKS5 proxy port</string>
<string name="port_local_dns">Local DNS port</string>
<string name="quick_toggle">Toggle</string>
<string name="remote_dns">Remote DNS</string>
<string name="stat_summary">Sent: \t\t\t\t\t%3$s\t↑\t%1$s\nReceived: \t%4$s\t↓\t%2$s</string>
<string name="connection_test_pending">Check Connectivity</string>
<string name="connection_test_testing">Testing…</string>
<string name="connection_test_available">Success: HTTPS handshake took %dms</string>
<string name="connection_test_error">Fail to detect internet connection: %s</string>
<string name="connection_test_fail">Internet Unavailable</string>
<string name="connection_test_error_status_code">Error code: #%d</string>
<string name="speed" translatable="false">%s/s</string>
<string name="traffic" translatable="false">%1$s↑\t%2$s↓</string>
<plurals name="removed">
<item quantity="one">Removed</item>
<item quantity="other">%d items removed</item>
</plurals>
</resources>

165
client/android/src/com/github/shadowsocks/Core.kt Normal file
View file

@ -0,0 +1,165 @@
/*******************************************************************************
* *
* Copyright (C) 2018 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2018 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks
import android.app.Application
import android.app.NotificationChannel
import android.app.NotificationManager
import android.app.PendingIntent
import android.app.admin.DevicePolicyManager
import android.content.BroadcastReceiver
import android.content.Context
import android.content.Intent
import android.content.IntentFilter
import android.content.pm.PackageInfo
import android.content.pm.PackageManager
import android.net.ConnectivityManager
import android.os.Build
import android.os.UserManager
import androidx.annotation.RequiresApi
import androidx.core.content.ContextCompat
import androidx.core.content.getSystemService
import androidx.work.Configuration
import androidx.work.WorkManager
import com.github.shadowsocks.aidl.ShadowsocksConnection
import com.github.shadowsocks.database.Profile
import com.github.shadowsocks.database.ProfileManager
import com.github.shadowsocks.net.TcpFastOpen
import com.github.shadowsocks.preference.DataStore
import com.github.shadowsocks.utils.*
import kotlinx.coroutines.DEBUG_PROPERTY_NAME
import kotlinx.coroutines.DEBUG_PROPERTY_VALUE_ON
import kotlinx.coroutines.GlobalScope
import kotlinx.coroutines.launch
import org.amnezia.vpn.R
import java.io.File
import java.io.IOException
import kotlin.reflect.KClass
object Core {
const val TAG = "Core"
lateinit var app: Application
lateinit var configureIntent: (Context) -> PendingIntent
val connectivity by lazy { app.getSystemService<ConnectivityManager>()!! }
val packageInfo: PackageInfo by lazy { getPackageInfo(app.packageName) }
val deviceStorage by lazy { if (Build.VERSION.SDK_INT < 24) app else DeviceStorageApp(app) }
val directBootSupported by lazy {
Build.VERSION.SDK_INT >= 24 && app.getSystemService<DevicePolicyManager>()?.storageEncryptionStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER
}
val activeProfileIds
get() = ProfileManager.getProfile(DataStore.profileId).let {
if (it == null) emptyList() else listOfNotNull(it.id)
}
val currentProfile: Pair<Profile, Profile?>?
get() {
if (DataStore.directBootAware) DirectBoot.getDeviceProfile()?.apply { return this }
return ProfileManager.expand(ProfileManager.getProfile(DataStore.profileId)
?: return null)
}
fun switchProfile(id: Long): Profile {
val result = ProfileManager.getProfile(id) ?: ProfileManager.createProfile()
DataStore.profileId = result.id
return result
}
fun init(app: Application, configureClass: KClass<out Any>) {
this.app = app
this.configureIntent = {
PendingIntent.getActivity(it,
0,
Intent(it,
configureClass.java).setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT),
0)
}
if (Build.VERSION.SDK_INT >= 24) { // migrate old files
deviceStorage.moveDatabaseFrom(app, Key.DB_PUBLIC)
}
// overhead of debug mode is minimal: https://github.com/Kotlin/kotlinx.coroutines/blob/f528898/docs/debugging.md#debug-mode
System.setProperty(DEBUG_PROPERTY_NAME, DEBUG_PROPERTY_VALUE_ON)
// Fabric.with(deviceStorage, Crashlytics()) // multiple processes needs manual set-up
// FirebaseApp.initializeApp(deviceStorage)
WorkManager.initialize(deviceStorage, Configuration.Builder().apply {
setExecutor { GlobalScope.launch { it.run() } }
setTaskExecutor { GlobalScope.launch { it.run() } }
}.build())
// handle data restored/crash
if (Build.VERSION.SDK_INT >= 24 && DataStore.directBootAware && app.getSystemService<UserManager>()?.isUserUnlocked == true) DirectBoot.flushTrafficStats()
if (DataStore.tcpFastOpen && !TcpFastOpen.sendEnabled) TcpFastOpen.enableTimeout()
if (DataStore.publicStore.getLong(Key.assetUpdateTime, -1) != packageInfo.lastUpdateTime) {
val assetManager = app.assets
try {
for (file in assetManager.list("acl")!!) assetManager.open("acl/$file").use { input ->
File(deviceStorage.noBackupFilesDir, file).outputStream()
.use { output -> input.copyTo(output) }
}
} catch (e: IOException) {
printLog(e)
}
DataStore.publicStore.putLong(Key.assetUpdateTime, packageInfo.lastUpdateTime)
}
updateNotificationChannels()
}
fun updateNotificationChannels() {
if (Build.VERSION.SDK_INT >= 26) @RequiresApi(26) {
val nm = app.getSystemService<NotificationManager>()!!
nm.createNotificationChannels(listOf(NotificationChannel("service-vpn",
app.getText(R.string.service_vpn),
if (Build.VERSION.SDK_INT >= 28) NotificationManager.IMPORTANCE_MIN
else NotificationManager.IMPORTANCE_LOW) // #1355
))
nm.deleteNotificationChannel("service-nat") // NAT mode is gone for good
}
}
fun getPackageInfo(packageName: String) = app.packageManager.getPackageInfo(packageName,
if (Build.VERSION.SDK_INT >= 28) PackageManager.GET_SIGNING_CERTIFICATES
else @Suppress("DEPRECATION") PackageManager.GET_SIGNATURES)!!
fun startService() =
ContextCompat.startForegroundService(app, Intent(app, ShadowsocksConnection.serviceClass))
fun reloadService() = app.sendBroadcast(Intent(Action.RELOAD))
fun stopService() = app.sendBroadcast(Intent(Action.CLOSE))
fun listenForPackageChanges(onetime: Boolean = true, callback: () -> Unit) =
object : BroadcastReceiver() {
init {
app.registerReceiver(this, IntentFilter().apply {
addAction(Intent.ACTION_PACKAGE_ADDED)
addAction(Intent.ACTION_PACKAGE_REMOVED)
addDataScheme("package")
})
}
override fun onReceive(context: Context, intent: Intent) {
if (intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) return
callback()
if (onetime) app.unregisterReceiver(this)
}
}
}

215
client/android/src/com/github/shadowsocks/LocalVpnService.kt Normal file
View file

@ -0,0 +1,215 @@
package com.github.shadowsocks
import android.app.Service
import android.content.Intent
import android.net.LocalSocket
import android.net.LocalSocketAddress
import android.net.Network
import android.net.VpnService
import android.os.Build
import android.os.ParcelFileDescriptor
import android.system.ErrnoException
import android.system.Os
import com.github.shadowsocks.bg.*
import com.github.shadowsocks.net.ConcurrentLocalSocketListener
import com.github.shadowsocks.net.DefaultNetworkListener
import com.github.shadowsocks.net.HostsFile
import com.github.shadowsocks.net.Subnet
import com.github.shadowsocks.preference.DataStore
import com.github.shadowsocks.utils.printLog
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.delay
import kotlinx.coroutines.launch
import java.io.Closeable
import java.io.File
import java.io.FileDescriptor
import java.io.IOException
import java.net.URL
import org.amnezia.vpn.R
class LocalVpnService : VpnService(), LocalDnsService.Interface {
companion object {
private const val VPN_MTU = 1500
private const val PRIVATE_VLAN4_CLIENT = "172.19.0.1"
private const val PRIVATE_VLAN4_ROUTER = "172.19.0.2"
private const val PRIVATE_VLAN6_CLIENT = "fdfe:dcba:9876::1"
private const val PRIVATE_VLAN6_ROUTER = "fdfe:dcba:9876::2"
/**
* https://android.googlesource.com/platform/prebuilts/runtime/+/94fec32/appcompat/hiddenapi-light-greylist.txt#9466
*/
private val getInt = FileDescriptor::class.java.getDeclaredMethod("getInt$")
}
class CloseableFd(val fd: FileDescriptor) : Closeable {
override fun close() = Os.close(fd)
}
private inner class ProtectWorker : ConcurrentLocalSocketListener(
"ShadowsocksVpnThread",
File(Core.deviceStorage.noBackupFilesDir, "protect_path")
) {
override fun acceptInternal(socket: LocalSocket) {
socket.inputStream.read()
val fd = socket.ancillaryFileDescriptors!!.single()!!
CloseableFd(fd).use {
socket.outputStream.write(if (underlyingNetwork.let { network ->
if (network != null && Build.VERSION.SDK_INT >= 23) try {
network.bindSocket(fd)
true
} catch (e: IOException) {
// suppress ENONET (Machine is not on the network)
if ((e.cause as? ErrnoException)?.errno != 64) printLog(e)
false
} else protect(getInt.invoke(fd) as Int)
}) 0 else 1)
}
}
}
inner class NullConnectionException : NullPointerException(), BaseService.ExpectedException {
override fun getLocalizedMessage() = getString(R.string.reboot_required)
}
override val data = BaseService.Data(this)
override val tag: String get() = "ShadowsocksVpnService"
override fun createNotification(profileName: String): ServiceNotification =
ServiceNotification(this, profileName, "service-vpn")
private var conn: ParcelFileDescriptor? = null
private var worker: ProtectWorker? = null
private var active = false
// metered = false. xinlake
private var underlyingNetwork: Network? = null
set(value) {
field = value
if (active) setUnderlyingNetworks(underlyingNetworks)
}
private val underlyingNetworks
get() = // clearing underlyingNetworks makes Android 9 consider the network to be metered
underlyingNetwork?.let { arrayOf(it) }
override fun onBind(intent: Intent) = when (intent.action) {
SERVICE_INTERFACE -> super<VpnService>.onBind(intent)
else -> super<LocalDnsService.Interface>.onBind(intent)
}
override fun onRevoke() = stopRunner()
override fun killProcesses(scope: CoroutineScope) {
super.killProcesses(scope)
active = false
scope.launch { DefaultNetworkListener.stop(this) }
worker?.shutdown(scope)
worker = null
conn?.close()
conn = null
}
override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
if (prepare(this) != null) {
// startActivity(Intent(this, VpnRequestActivity::class.java).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK))
} else return super<LocalDnsService.Interface>.onStartCommand(intent, flags, startId)
stopRunner()
return Service.START_NOT_STICKY
}
override suspend fun preInit() = DefaultNetworkListener.start(this) { underlyingNetwork = it }
override suspend fun resolver(host: String) =
DnsResolverCompat.resolve(DefaultNetworkListener.get(), host)
override suspend fun openConnection(url: URL) = DefaultNetworkListener.get().openConnection(url)
override suspend fun startProcesses(hosts: HostsFile) {
worker = ProtectWorker().apply { start() }
super.startProcesses(hosts)
sendFd(startVpn())
}
override fun buildAdditionalArguments(cmd: ArrayList<String>): ArrayList<String> {
cmd += "-V"
return cmd
}
private suspend fun startVpn(): FileDescriptor {
val profile = data.proxy!!.profile
val builder = Builder()
.setConfigureIntent(Core.configureIntent(this))
.setSession(profile.formattedName)
.setMtu(VPN_MTU)
.addAddress(PRIVATE_VLAN4_CLIENT, 30)
.addDnsServer(PRIVATE_VLAN4_ROUTER)
if (profile.ipv6) {
builder.addAddress(PRIVATE_VLAN6_CLIENT, 126)
builder.addRoute("::", 0)
}
// XinLake. bypass lan
resources.getStringArray(R.array.bypass_private_route).forEach {
val subnet = Subnet.fromString(it)!!
builder.addRoute(subnet.address.hostAddress, subnet.prefixSize)
}
builder.addRoute(PRIVATE_VLAN4_ROUTER, 32)
active = true // possible race condition here?
if (Build.VERSION.SDK_INT >= 22) {
builder.setUnderlyingNetworks(underlyingNetworks)
}
val conn = builder.establish() ?: throw NullConnectionException()
this.conn = conn
val cmd = arrayListOf(
File(applicationInfo.nativeLibraryDir, Executable.TUN2SOCKS).absolutePath,
"--netif-ipaddr", PRIVATE_VLAN4_ROUTER,
"--socks-server-addr", "${DataStore.listenAddress}:${DataStore.portProxy}",
"--tunmtu", VPN_MTU.toString(),
"--sock-path", "sock_path",
"--dnsgw", "127.0.0.1:${DataStore.portLocalDns}",
"--loglevel", "warning"
)
if (profile.ipv6) {
cmd += "--netif-ip6addr"
cmd += PRIVATE_VLAN6_ROUTER
}
cmd += "--enable-udprelay"
data.processes!!.start(cmd, onRestartCallback = {
try {
sendFd(conn.fileDescriptor)
} catch (e: ErrnoException) {
stopRunner(false, e.message)
}
})
return conn.fileDescriptor
}
private suspend fun sendFd(fd: FileDescriptor) {
var tries = 0
val path = File(Core.deviceStorage.noBackupFilesDir, "sock_path").absolutePath
while (true) try {
delay(50L shl tries)
LocalSocket().use { localSocket ->
localSocket.connect(
LocalSocketAddress(
path,
LocalSocketAddress.Namespace.FILESYSTEM
)
)
localSocket.setFileDescriptorsForSend(arrayOf(fd))
localSocket.outputStream.write(42)
}
return
} catch (e: IOException) {
if (tries > 5) throw e
tries += 1
}
}
override fun onDestroy() {
super.onDestroy()
data.binder.close()
}
}

160
client/android/src/com/github/shadowsocks/aidl/ShadowsocksConnection.kt Normal file
View file

@ -0,0 +1,160 @@
/*******************************************************************************
* *
* Copyright (C) 2017 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2017 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.aidl
import android.content.ComponentName
import android.content.Context
import android.content.Intent
import android.content.ServiceConnection
import android.os.Handler
import android.os.IBinder
import android.os.RemoteException
import com.github.shadowsocks.LocalVpnService
import com.github.shadowsocks.bg.BaseService
import com.github.shadowsocks.utils.Action
/**
* This object should be compact as it will not get GC-ed.
*/
class ShadowsocksConnection(
private val handler: Handler = Handler(),
private var listenForDeath: Boolean = false
) : ServiceConnection,
IBinder.DeathRecipient {
companion object {
val serviceClass = LocalVpnService::class.java
}
interface Callback {
fun stateChanged(state: BaseService.State, profileName: String?, msg: String?)
fun trafficUpdated(profileId: Long, stats: TrafficStats) {}
fun trafficPersisted(profileId: Long) {}
fun onServiceConnected(service: IShadowsocksService)
/**
* Different from Android framework, this method will be called even when you call `detachService`.
*/
fun onServiceDisconnected() {}
fun onBinderDied() {}
}
private var connectionActive = false
private var callbackRegistered = false
private var callback: Callback? = null
private val serviceCallback = object : IShadowsocksServiceCallback.Stub() {
override fun stateChanged(state: Int, profileName: String?, msg: String?) {
val callback = callback ?: return
handler.post {
callback.stateChanged(BaseService.State.values()[state], profileName, msg)
}
}
override fun trafficUpdated(profileId: Long, stats: TrafficStats) {
val callback = callback ?: return
handler.post { callback.trafficUpdated(profileId, stats) }
}
override fun trafficPersisted(profileId: Long) {
val callback = callback ?: return
handler.post { callback.trafficPersisted(profileId) }
}
}
private var binder: IBinder? = null
var bandwidthTimeout = 0L
set(value) {
try {
if (value > 0) service?.startListeningForBandwidth(serviceCallback, value)
else service?.stopListeningForBandwidth(serviceCallback)
} catch (_: RemoteException) {
}
field = value
}
var service: IShadowsocksService? = null
override fun onServiceConnected(name: ComponentName?, binder: IBinder) {
this.binder = binder
val service = IShadowsocksService.Stub.asInterface(binder)!!
this.service = service
try {
if (listenForDeath) binder.linkToDeath(this, 0)
check(!callbackRegistered)
service.registerCallback(serviceCallback)
callbackRegistered = true
if (bandwidthTimeout > 0) service.startListeningForBandwidth(
serviceCallback,
bandwidthTimeout
)
} catch (_: RemoteException) {
}
callback!!.onServiceConnected(service)
}
override fun onServiceDisconnected(name: ComponentName?) {
unregisterCallback()
callback?.onServiceDisconnected()
service = null
binder = null
}
override fun binderDied() {
service = null
callbackRegistered = false
callback?.also { handler.post(it::onBinderDied) }
}
private fun unregisterCallback() {
val service = service
if (service != null && callbackRegistered) try {
service.unregisterCallback(serviceCallback)
} catch (_: RemoteException) {
}
callbackRegistered = false
}
fun connect(context: Context, callback: Callback) {
if (connectionActive) return
connectionActive = true
check(this.callback == null)
this.callback = callback
val intent = Intent(context, serviceClass).setAction(Action.SERVICE)
context.bindService(intent, this, Context.BIND_AUTO_CREATE)
}
fun disconnect(context: Context) {
unregisterCallback()
if (connectionActive) try {
context.unbindService(this)
} catch (_: IllegalArgumentException) {
} // ignore
connectionActive = false
if (listenForDeath) binder?.unlinkToDeath(this, 0)
binder = null
try {
service?.stopListeningForBandwidth(serviceCallback)
} catch (_: RemoteException) {
}
service = null
callback = null
}
}

55
client/android/src/com/github/shadowsocks/aidl/TrafficStats.kt Normal file
View file

@ -0,0 +1,55 @@
/*******************************************************************************
* *
* Copyright (C) 2019 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2019 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.aidl
import android.os.Parcel
import android.os.Parcelable
data class TrafficStats(
// Bytes per second
var txRate: Long = 0L, var rxRate: Long = 0L,
// Bytes for the current session
var txTotal: Long = 0L, var rxTotal: Long = 0L) : Parcelable {
operator fun plus(other: TrafficStats) = TrafficStats(txRate + other.txRate,
rxRate + other.rxRate,
txTotal + other.txTotal,
rxTotal + other.rxTotal)
constructor(parcel: Parcel) : this(parcel.readLong(),
parcel.readLong(),
parcel.readLong(),
parcel.readLong())
override fun writeToParcel(parcel: Parcel, flags: Int) {
parcel.writeLong(txRate)
parcel.writeLong(rxRate)
parcel.writeLong(txTotal)
parcel.writeLong(rxTotal)
}
override fun describeContents() = 0
companion object CREATOR : Parcelable.Creator<TrafficStats> {
override fun createFromParcel(parcel: Parcel) = TrafficStats(parcel)
override fun newArray(size: Int): Array<TrafficStats?> = arrayOfNulls(size)
}
}

348
client/android/src/com/github/shadowsocks/bg/BaseService.kt Normal file
View file

@ -0,0 +1,348 @@
/*******************************************************************************
* *
* Copyright (C) 2017 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2017 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.bg
import android.app.Service
import android.content.Context
import android.content.Intent
import android.content.IntentFilter
import android.os.*
import androidx.core.content.getSystemService
import com.github.shadowsocks.Core
import com.github.shadowsocks.Core.app
import com.github.shadowsocks.aidl.IShadowsocksService
import com.github.shadowsocks.aidl.IShadowsocksServiceCallback
import com.github.shadowsocks.aidl.TrafficStats
import com.github.shadowsocks.net.HostsFile
import com.github.shadowsocks.preference.DataStore
import com.github.shadowsocks.utils.*
import kotlinx.coroutines.*
import java.io.File
import java.net.URL
import java.net.UnknownHostException
import java.util.*
import org.amnezia.vpn.R
/**
* This object uses WeakMap to simulate the effects of multi-inheritance.
*/
object BaseService {
enum class State(val canStop: Boolean = false) {
/**
* Idle state is only used by UI and will never be returned by BaseService.
*/
Idle,
Connecting(true), Connected(true), Stopping, Stopped,
}
const val CONFIG_FILE = "shadowsocks.conf"
const val CONFIG_FILE_UDP = "shadowsocks-udp.conf"
interface ExpectedException
class ExpectedExceptionWrapper(e: Exception) : Exception(e.localizedMessage, e),
ExpectedException
class Data internal constructor(private val service: Interface) {
var state = State.Stopped
var processes: GuardedProcessPool? = null
var proxy: ProxyInstance? = null
// no udpFallback. xinlake
var notification: ServiceNotification? = null
val closeReceiver = broadcastReceiver { _, intent ->
when (intent.action) {
Intent.ACTION_SHUTDOWN -> service.persistStats()
Action.RELOAD -> service.forceLoad()
else -> service.stopRunner()
}
}
var closeReceiverRegistered = false
val binder = Binder(this)
var connectingJob: Job? = null
fun changeState(s: State, msg: String? = null) {
if (state == s && msg == null) return
binder.stateChanged(s, msg)
state = s
}
}
class Binder(private var data: Data? = null) : IShadowsocksService.Stub(), CoroutineScope, AutoCloseable {
private val callbacks = object : RemoteCallbackList<IShadowsocksServiceCallback>() {
override fun onCallbackDied(callback: IShadowsocksServiceCallback?, cookie: Any?) {
super.onCallbackDied(callback, cookie)
stopListeningForBandwidth(callback ?: return)
}
}
private val bandwidthListeners = mutableMapOf<IBinder, Long>() // the binder is the real identifier
override val coroutineContext = Dispatchers.Main.immediate + Job()
private var looper: Job? = null
override fun getState(): Int = (data?.state ?: State.Idle).ordinal
override fun getProfileName(): String = data?.proxy?.profile?.name ?: "Idle"
override fun registerCallback(cb: IShadowsocksServiceCallback) {
callbacks.register(cb)
}
private fun broadcast(work: (IShadowsocksServiceCallback) -> Unit) {
val count = callbacks.beginBroadcast()
try {
repeat(count) {
try {
work(callbacks.getBroadcastItem(it))
} catch (_: RemoteException) {
} catch (e: Exception) {
printLog(e)
}
}
} finally {
callbacks.finishBroadcast()
}
}
private suspend fun loop() {
while (true) {
// delay(bandwidthListeners.values.min() ?: return)
delay(5000)
val proxies = listOfNotNull(data?.proxy)
val stats = proxies.map { Pair(it.profile.id, it.trafficMonitor?.requestUpdate()) }
.filter { it.second != null }
.map { Triple(it.first, it.second!!.first, it.second!!.second) }
if (stats.any { it.third } && data?.state == State.Connected && bandwidthListeners.isNotEmpty()) {
val sum = stats.fold(TrafficStats()) { a, b -> a + b.second }
broadcast { item ->
if (bandwidthListeners.contains(item.asBinder())) {
stats.forEach { (id, stats) -> item.trafficUpdated(id, stats) }
item.trafficUpdated(0, sum)
}
}
}
}
}
override fun startListeningForBandwidth(cb: IShadowsocksServiceCallback, timeout: Long) {
launch {
if (bandwidthListeners.isEmpty() and (bandwidthListeners.put(cb.asBinder(), timeout) == null)) {
check(looper == null)
looper = launch { loop() }
}
if (data?.state != State.Connected) return@launch
var sum = TrafficStats()
val data = data
val proxy = data?.proxy ?: return@launch
proxy.trafficMonitor?.out.also { stats ->
cb.trafficUpdated(proxy.profile.id, if (stats == null) sum else {
sum += stats
stats
})
}
cb.trafficUpdated(0, sum)
}
}
override fun stopListeningForBandwidth(cb: IShadowsocksServiceCallback) {
launch {
if (bandwidthListeners.remove(cb.asBinder()) != null && bandwidthListeners.isEmpty()) {
looper!!.cancel()
looper = null
}
}
}
override fun unregisterCallback(cb: IShadowsocksServiceCallback) {
stopListeningForBandwidth(cb) // saves an RPC, and safer
callbacks.unregister(cb)
}
fun stateChanged(s: State, msg: String?) {
val profileName = profileName
broadcast { it.stateChanged(s.ordinal, profileName, msg) }
}
fun trafficPersisted(ids: List<Long>) {
if (bandwidthListeners.isNotEmpty() && ids.isNotEmpty()) broadcast { item ->
if (bandwidthListeners.contains(item.asBinder())) ids.forEach(item::trafficPersisted)
}
}
override fun close() {
callbacks.kill()
cancel()
data = null
}
}
interface Interface {
val data: Data
val tag: String
fun createNotification(profileName: String): ServiceNotification
fun onBind(intent: Intent): IBinder? =
if (intent.action == Action.SERVICE) data.binder else null
fun forceLoad() {
val (profile, fallback) = Core.currentProfile
?: return stopRunner(false, (this as Context).getString(R.string.profile_empty))
if (profile.host.isEmpty() || profile.password.isEmpty() || fallback != null && (fallback.host.isEmpty() || fallback.password.isEmpty())) {
stopRunner(false, (this as Context).getString(R.string.proxy_empty))
return
}
val s = data.state
when {
s == State.Stopped -> startRunner()
s.canStop -> stopRunner(true)
// else -> Crashlytics.log(Log.WARN, tag, "Illegal state when invoking use: $s")
}
}
fun buildAdditionalArguments(cmd: ArrayList<String>): ArrayList<String> = cmd
suspend fun startProcesses(hosts: HostsFile) {
val configRoot =
(if (Build.VERSION.SDK_INT < 24 || app.getSystemService<UserManager>()
?.isUserUnlocked != false) app else Core.deviceStorage).noBackupFilesDir
data.proxy!!.start(this,
File(Core.deviceStorage.noBackupFilesDir, "stat_main"),
File(configRoot, CONFIG_FILE),
"-u")
}
fun startRunner() {
this as Context
if (Build.VERSION.SDK_INT >= 26) startForegroundService(Intent(this, javaClass))
else startService(Intent(this, javaClass))
}
fun killProcesses(scope: CoroutineScope) {
data.processes?.run {
close(scope)
data.processes = null
}
}
fun stopRunner(restart: Boolean = false, msg: String? = null) {
if (data.state == State.Stopping) return
// channge the state
data.changeState(State.Stopping)
GlobalScope.launch(Dispatchers.Main.immediate) {
// Core.analytics.logEvent("stop", bundleOf(Pair(FirebaseAnalytics.Param.METHOD, tag)))
data.connectingJob?.cancelAndJoin() // ensure stop connecting first
this@Interface as Service
// we use a coroutineScope here to allow clean-up in parallel
coroutineScope {
killProcesses(this)
// clean up receivers
val data = data
if (data.closeReceiverRegistered) {
unregisterReceiver(data.closeReceiver)
data.closeReceiverRegistered = false
}
data.notification?.destroy()
data.notification = null
val ids = listOfNotNull(data.proxy).map {
it.shutdown(this)
it.profile.id
}
data.proxy = null
data.binder.trafficPersisted(ids)
}
// change the state
data.changeState(State.Stopped, msg)
// stop the service if nothing has bound to it
if (restart) startRunner() else {
stopSelf()
}
}
}
fun persistStats() =
listOfNotNull(data.proxy).forEach { it.trafficMonitor?.persistStats(it.profile.id) }
suspend fun preInit() {}
suspend fun resolver(host: String) = DnsResolverCompat.resolveOnActiveNetwork(host)
suspend fun openConnection(url: URL) = url.openConnection()
fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
val data = data
if (data.state != State.Stopped) return Service.START_NOT_STICKY
val profilePair = Core.currentProfile
this as Context
if (profilePair == null) {
// gracefully shutdown: https://stackoverflow.com/q/47337857/2245107
data.notification = createNotification("")
stopRunner(false, getString(R.string.profile_empty))
return Service.START_NOT_STICKY
}
val (profile, _) = profilePair
profile.name = profile.formattedName // save name for later queries
val proxy = ProxyInstance(profile)
data.proxy = proxy
if (!data.closeReceiverRegistered) {
registerReceiver(data.closeReceiver, IntentFilter().apply {
addAction(Action.RELOAD)
addAction(Intent.ACTION_SHUTDOWN)
addAction(Action.CLOSE)
})
data.closeReceiverRegistered = true
}
data.notification = createNotification(profile.formattedName)
// Core.analytics.logEvent("start", bundleOf(Pair(FirebaseAnalytics.Param.METHOD, tag)))
data.changeState(State.Connecting)
data.connectingJob = GlobalScope.launch(Dispatchers.Main) {
try {
Executable.killAll() // clean up old processes
preInit()
val hosts = HostsFile(DataStore.publicStore.getString(Key.hosts) ?: "")
proxy.init(this@Interface, hosts)
data.processes = GuardedProcessPool {
printLog(it)
stopRunner(false, it.readableMessage)
}
startProcesses(hosts)
// proxy.scheduleUpdate() // XinLake. Bypass-LAN only
data.changeState(State.Connected)
} catch (_: CancellationException) {
// if the job was cancelled, it is canceller's responsibility to call stopRunner
} catch (_: UnknownHostException) {
stopRunner(false, getString(R.string.invalid_server))
} catch (exc: Throwable) {
if (exc is ExpectedException) exc.printStackTrace() else printLog(exc)
stopRunner(false, "${getString(R.string.service_failed)}: ${exc.readableMessage}")
} finally {
data.connectingJob = null
}
}
return Service.START_NOT_STICKY
}
}
}

99
client/android/src/com/github/shadowsocks/bg/DnsResolverCompat.kt Normal file
View file

@ -0,0 +1,99 @@
/*******************************************************************************
* *
* Copyright (C) 2019 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2019 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.bg
import android.annotation.TargetApi
import android.app.ActivityManager
import android.net.DnsResolver
import android.net.Network
import android.os.Build
import android.os.CancellationSignal
import androidx.core.content.getSystemService
import com.github.shadowsocks.Core
import com.github.shadowsocks.Core.app
import kotlinx.coroutines.*
import java.io.IOException
import java.net.InetAddress
import java.util.concurrent.Executor
import java.util.concurrent.Executors
import kotlin.coroutines.resume
import kotlin.coroutines.resumeWithException
sealed class DnsResolverCompat {
companion object : DnsResolverCompat() {
private val instance by lazy { if (Build.VERSION.SDK_INT >= 29) DnsResolverCompat29 else DnsResolverCompat21 }
override suspend fun resolve(network: Network, host: String) =
instance.resolve(network, host)
override suspend fun resolveOnActiveNetwork(host: String) =
instance.resolveOnActiveNetwork(host)
}
abstract suspend fun resolve(network: Network, host: String): Array<InetAddress>
abstract suspend fun resolveOnActiveNetwork(host: String): Array<InetAddress>
private object DnsResolverCompat21 : DnsResolverCompat() {
/**
* This dispatcher is used for noncancellable possibly-forever-blocking operations in network IO.
*
* See also: https://issuetracker.google.com/issues/133874590
*/
private val unboundedIO by lazy {
if (app.getSystemService<ActivityManager>()!!.isLowRamDevice) Dispatchers.IO
else Executors.newCachedThreadPool().asCoroutineDispatcher()
}
override suspend fun resolve(network: Network, host: String) =
GlobalScope.async(unboundedIO) { network.getAllByName(host) }.await()
override suspend fun resolveOnActiveNetwork(host: String) =
GlobalScope.async(unboundedIO) { InetAddress.getAllByName(host) }.await()
}
@TargetApi(29)
private object DnsResolverCompat29 : DnsResolverCompat(), Executor {
/**
* This executor will run on its caller directly. On Q beta 3 thru 4, this results in calling in main thread.
*/
override fun execute(command: Runnable) = command.run()
override suspend fun resolve(network: Network, host: String): Array<InetAddress> {
return suspendCancellableCoroutine { cont ->
val signal = CancellationSignal()
cont.invokeOnCancellation { signal.cancel() }
// retry should be handled by client instead
DnsResolver.getInstance().query(network, host, DnsResolver.FLAG_NO_RETRY, this, signal,
object : DnsResolver.Callback<Collection<InetAddress>> {
override fun onAnswer(answer: Collection<InetAddress>, rcode: Int) =
cont.resume(answer.toTypedArray())
override fun onError(error: DnsResolver.DnsException) =
cont.resumeWithException(IOException(error))
})
}
}
override suspend fun resolveOnActiveNetwork(host: String): Array<InetAddress> {
return resolve(Core.connectivity.activeNetwork ?: return emptyArray(), host)
}
}
}

56
client/android/src/com/github/shadowsocks/bg/Executable.kt Normal file
View file

@ -0,0 +1,56 @@
/*******************************************************************************
* *
* Copyright (C) 2017 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2017 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.bg
import android.system.ErrnoException
import android.system.Os
import android.system.OsConstants
import android.text.TextUtils
import java.io.File
import java.io.IOException
object Executable {
// libredsocks.so is not required. xinlake
const val SS_LOCAL = "libss-local.so"
const val TUN2SOCKS = "libtun2socks.so"
private val EXECUTABLES = setOf(SS_LOCAL, TUN2SOCKS)
fun killAll() {
for (process in File("/proc").listFiles { _, name -> TextUtils.isDigitsOnly(name) }
?: return) {
val exe = File(try {
File(process, "cmdline").inputStream().bufferedReader().readText()
} catch (_: IOException) {
continue
}.split(Character.MIN_VALUE, limit = 2).first())
if (EXECUTABLES.contains(exe.name)) try {
Os.kill(process.name.toInt(), OsConstants.SIGKILL)
} catch (e: ErrnoException) {
if (e.errno != OsConstants.ESRCH) {
e.printStackTrace()
// Crashlytics.log(Log.WARN, "kill", "SIGKILL ${exe.absolutePath} (${process.name}) failed")
// Crashlytics.logException(e)
}
}
}
}
}

129
client/android/src/com/github/shadowsocks/bg/GuardedProcessPool.kt Normal file
View file

@ -0,0 +1,129 @@
/*******************************************************************************
* *
* Copyright (C) 2017 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2017 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.bg
import android.os.Build
import android.os.SystemClock
import android.system.ErrnoException
import android.system.Os
import android.system.OsConstants
import androidx.annotation.MainThread
import com.github.shadowsocks.Core
import kotlinx.coroutines.*
import kotlinx.coroutines.channels.Channel
import java.io.File
import java.io.IOException
import java.io.InputStream
import kotlin.concurrent.thread
class GuardedProcessPool(private val onFatal: suspend (IOException) -> Unit) : CoroutineScope {
companion object {
private const val TAG = "GuardedProcessPool"
private val pid by lazy {
Class.forName("java.lang.ProcessManager\$ProcessImpl").getDeclaredField("pid").apply { isAccessible = true }
}
}
private inner class Guard(private val cmd: List<String>) {
private lateinit var process: Process
private fun streamLogger(input: InputStream, logger: (String) -> Unit) = try {
input.bufferedReader().forEachLine(logger)
} catch (_: IOException) {
} // ignore
fun start() {
process = ProcessBuilder(cmd).directory(Core.deviceStorage.noBackupFilesDir).start()
}
suspend fun looper(onRestartCallback: (suspend () -> Unit)?) {
var running = true
val cmdName = File(cmd.first()).nameWithoutExtension
val exitChannel = Channel<Int>()
try {
while (true) {
thread(name = "stderr-$cmdName") {
streamLogger(process.errorStream) {
// Crashlytics.log(Log.ERROR, cmdName, it)
}
}
thread(name = "stdout-$cmdName") {
streamLogger(process.inputStream) {
// Crashlytics.log(Log.VERBOSE, cmdName, it)
}
// this thread also acts as a daemon thread for waitFor
runBlocking { exitChannel.send(process.waitFor()) }
}
val startTime = SystemClock.elapsedRealtime()
val exitCode = exitChannel.receive()
running = false
when {
SystemClock.elapsedRealtime() - startTime < 1000 -> throw IOException("$cmdName exits too fast (exit code: $exitCode)")
// exitCode == 128 + OsConstants.SIGKILL -> Crashlytics.log(Log.WARN, TAG, "$cmdName was killed")
// else -> Crashlytics.logException(IOException("$cmdName unexpectedly exits with code $exitCode"))
}
// Crashlytics.log(Log.DEBUG, TAG, "restart process: ${Commandline.toString(cmd)} (last exit code: $exitCode)")
start()
running = true
onRestartCallback?.invoke()
}
} catch (e: IOException) {
// Crashlytics.log(Log.WARN, TAG, "error occurred. stop guard: " + Commandline.toString(cmd))
GlobalScope.launch(Dispatchers.Main) { onFatal(e) }
} finally {
if (running) withContext(NonCancellable) {
// clean-up cannot be cancelled
if (Build.VERSION.SDK_INT < 24) {
try {
Os.kill(pid.get(process) as Int, OsConstants.SIGTERM)
} catch (e: ErrnoException) {
if (e.errno != OsConstants.ESRCH) throw e
}
if (withTimeoutOrNull(500) { exitChannel.receive() } != null) return@withContext
}
process.destroy() // kill the process
if (Build.VERSION.SDK_INT >= 26) {
if (withTimeoutOrNull(1000) { exitChannel.receive() } != null) return@withContext
process.destroyForcibly() // Force to kill the process if it's still alive
}
exitChannel.receive()
} // otherwise process already exited, nothing to be done
}
}
}
override val coroutineContext = Dispatchers.Main.immediate + Job()
@MainThread
fun start(cmd: List<String>, onRestartCallback: (suspend () -> Unit)? = null) {
// Crashlytics.log(Log.DEBUG, TAG, "start process: " + Commandline.toString(cmd))
Guard(cmd).apply {
start() // if start fails, IOException will be thrown directly
launch { looper(onRestartCallback) }
}
}
@MainThread
fun close(scope: CoroutineScope) {
cancel()
coroutineContext[Job]!!.also { job -> scope.launch { job.join() } }
}
}

62
client/android/src/com/github/shadowsocks/bg/LocalDnsService.kt Normal file
View file

@ -0,0 +1,62 @@
/*******************************************************************************
* *
* Copyright (C) 2017 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2017 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.bg
import com.github.shadowsocks.net.HostsFile
import com.github.shadowsocks.net.LocalDnsServer
import com.github.shadowsocks.net.Socks5Endpoint
import com.github.shadowsocks.preference.DataStore
import kotlinx.coroutines.CoroutineScope
import java.net.InetSocketAddress
import java.net.URI
import java.net.URISyntaxException
import java.util.*
object LocalDnsService {
private val googleApisTester =
"(^|\\.)googleapis(\\.[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?){1,2}\$".toRegex()
private val servers = WeakHashMap<Interface, LocalDnsServer>()
interface Interface : BaseService.Interface {
override suspend fun startProcesses(hosts: HostsFile) {
super.startProcesses(hosts)
val profile = data.proxy!!.profile
val dns = try {
URI("dns://${profile.remoteDns}")
} catch (e: URISyntaxException) {
throw BaseService.ExpectedExceptionWrapper(e)
}
LocalDnsServer(this::resolver,
Socks5Endpoint(dns.host, if (dns.port < 0) 53 else dns.port),
DataStore.proxyAddress,
hosts).apply {
tcp = !profile.udpdns
forwardOnly = true
}.also { servers[this] = it }.start(InetSocketAddress(DataStore.listenAddress, DataStore.portLocalDns))
}
override fun killProcesses(scope: CoroutineScope) {
servers.remove(this)?.shutdown(scope)
super.killProcesses(scope)
}
}
}

95
client/android/src/com/github/shadowsocks/bg/ProxyInstance.kt Normal file
View file

@ -0,0 +1,95 @@
/*******************************************************************************
* *
* Copyright (C) 2019 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2019 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.bg
import android.content.Context
import com.github.shadowsocks.Core
import com.github.shadowsocks.database.Profile
import com.github.shadowsocks.net.HostsFile
import com.github.shadowsocks.preference.DataStore
import com.github.shadowsocks.utils.parseNumericAddress
import kotlinx.coroutines.CoroutineScope
import java.io.File
import java.io.IOException
import java.net.UnknownHostException
/**
* This class sets up environment for ss-local.
*/
class ProxyInstance(val profile: Profile) {
private var configFile: File? = null
var trafficMonitor: TrafficMonitor? = null
fun getFile(context: Context = Core.deviceStorage) =
File(context.noBackupFilesDir, "bypass-lan.acl")
suspend fun init(service: BaseService.Interface, hosts: HostsFile) {
// it's hard to resolve DNS on a specific interface so we'll do it here
if (profile.host.parseNumericAddress() == null) {
profile.host = (hosts.resolve(profile.host).firstOrNull() ?: try {
service.resolver(profile.host).firstOrNull()
} catch (_: IOException) {
null
})?.hostAddress ?: throw UnknownHostException()
}
}
/**
* Sensitive shadowsocks configuration file requires extra protection. It may be stored in encrypted storage or
* device storage, depending on which is currently available.
*/
fun start(service: BaseService.Interface, stat: File, configFile: File, extraFlag: String? = null) {
trafficMonitor = TrafficMonitor(stat)
this.configFile = configFile
val config = profile.toJson()
configFile.writeText(config.toString())
val cmd = service.buildAdditionalArguments(arrayListOf(
File((service as Context).applicationInfo.nativeLibraryDir, Executable.SS_LOCAL).absolutePath,
"-b", DataStore.listenAddress,
"-l", DataStore.portProxy.toString(),
"-t", "600",
"-S", stat.absolutePath,
"-c", configFile.absolutePath))
if (extraFlag != null) cmd.add(extraFlag)
cmd += "--acl"
cmd += getFile().absolutePath
// for UDP profile, it's only going to operate in UDP relay mode-only so this flag has no effect
cmd += "-D"
if (DataStore.tcpFastOpen) cmd += "--fast-open"
service.data.processes!!.start(cmd)
}
fun shutdown(scope: CoroutineScope) {
trafficMonitor?.apply {
thread.shutdown(scope)
persistStats(profile.id) // Make sure update total traffic when stopping the runner
}
trafficMonitor = null
configFile?.delete() // remove old config possibly in device storage
configFile = null
}
}

123
client/android/src/com/github/shadowsocks/bg/ServiceNotification.kt Normal file
View file

@ -0,0 +1,123 @@
/*******************************************************************************
* *
* Copyright (C) 2017 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2017 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.bg
import android.app.PendingIntent
import android.app.Service
import android.content.BroadcastReceiver
import android.content.Context
import android.content.Intent
import android.content.IntentFilter
import android.os.Build
import android.os.PowerManager
import android.text.format.Formatter
import androidx.core.app.NotificationCompat
import androidx.core.content.ContextCompat
import androidx.core.content.getSystemService
import com.github.shadowsocks.Core
import org.amnezia.vpn.R
import com.github.shadowsocks.aidl.IShadowsocksServiceCallback
import com.github.shadowsocks.aidl.TrafficStats
import com.github.shadowsocks.utils.Action
/**
* User can customize visibility of notification since Android 8.
* The default visibility:
*
* Android 8.x: always visible due to system limitations
* VPN: always invisible because of VPN notification/icon
* Other: always visible
*
* See also: https://github.com/aosp-mirror/platform_frameworks_base/commit/070d142993403cc2c42eca808ff3fafcee220ac4
*/
class ServiceNotification(private val service: BaseService.Interface, profileName: String, channel: String, visible: Boolean = false)
: BroadcastReceiver() {
private val callback: IShadowsocksServiceCallback by lazy {
object : IShadowsocksServiceCallback.Stub() {
override fun stateChanged(state: Int, profileName: String?, msg: String?) {} // ignore
override fun trafficUpdated(profileId: Long, stats: TrafficStats) {
if (profileId != 0L) return
builder.apply {
setContentText((service as Context).getString(R.string.traffic,
service.getString(R.string.speed, Formatter.formatFileSize(service, stats.txRate)),
service.getString(R.string.speed, Formatter.formatFileSize(service, stats.rxRate))))
setSubText(service.getString(R.string.traffic,
Formatter.formatFileSize(service, stats.txTotal),
Formatter.formatFileSize(service, stats.rxTotal)))
}
show()
}
override fun trafficPersisted(profileId: Long) {}
}
}
private var callbackRegistered = false
private val builder = NotificationCompat.Builder(service as Context, channel)
.setWhen(0)
.setColor(ContextCompat.getColor(service, R.color.material_primary_500))
.setTicker(service.getString(R.string.forward_success))
.setContentTitle(profileName)
.setContentIntent(Core.configureIntent(service))
.setSmallIcon(R.drawable.ic_service_active)
.setCategory(NotificationCompat.CATEGORY_SERVICE)
.setPriority(if (visible) NotificationCompat.PRIORITY_LOW else NotificationCompat.PRIORITY_MIN)
init {
service as Context
val closeAction = NotificationCompat.Action.Builder(
R.drawable.ic_navigation_close,
service.getString(R.string.stop),
PendingIntent.getBroadcast(service, 0, Intent(Action.CLOSE), 0)).apply {
setShowsUserInterface(false)
}.build()
if (Build.VERSION.SDK_INT < 24) builder.addAction(closeAction) else builder.addInvisibleAction(closeAction)
updateCallback(service.getSystemService<PowerManager>()?.isInteractive != false)
service.registerReceiver(this, IntentFilter().apply {
addAction(Intent.ACTION_SCREEN_ON)
addAction(Intent.ACTION_SCREEN_OFF)
})
show()
}
override fun onReceive(context: Context, intent: Intent) {
if (service.data.state == BaseService.State.Connected) updateCallback(intent.action == Intent.ACTION_SCREEN_ON)
}
private fun updateCallback(screenOn: Boolean) {
if (screenOn) {
service.data.binder.registerCallback(callback)
service.data.binder.startListeningForBandwidth(callback, 1000)
callbackRegistered = true
} else if (callbackRegistered) { // unregister callback to save battery
service.data.binder.unregisterCallback(callback)
callbackRegistered = false
}
}
private fun show() = (service as Service).startForeground(1, builder.build())
fun destroy() {
(service as Service).unregisterReceiver(this)
updateCallback(false)
service.stopForeground(true)
}
}

108
client/android/src/com/github/shadowsocks/bg/TrafficMonitor.kt Normal file
View file

@ -0,0 +1,108 @@
/*******************************************************************************
* *
* Copyright (C) 2017 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2017 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.bg
import android.net.LocalSocket
import android.os.SystemClock
import com.github.shadowsocks.aidl.TrafficStats
import com.github.shadowsocks.database.ProfileManager
import com.github.shadowsocks.net.LocalSocketListener
import com.github.shadowsocks.preference.DataStore
import com.github.shadowsocks.utils.DirectBoot
import java.io.File
import java.io.IOException
import java.nio.ByteBuffer
import java.nio.ByteOrder
class TrafficMonitor(statFile: File) {
val thread = object : LocalSocketListener("TrafficMonitor-" + statFile.name, statFile) {
private val buffer = ByteArray(16)
private val stat = ByteBuffer.wrap(buffer).order(ByteOrder.LITTLE_ENDIAN)
override fun acceptInternal(socket: LocalSocket) {
if (socket.inputStream.read(buffer) != 16) throw IOException("Unexpected traffic stat length")
val tx = stat.getLong(0)
val rx = stat.getLong(8)
if (current.txTotal != tx) {
current.txTotal = tx
dirty = true
}
if (current.rxTotal != rx) {
current.rxTotal = rx
dirty = true
}
}
}.apply { start() }
val current = TrafficStats()
var out = TrafficStats()
private var timestampLast = 0L
private var dirty = false
private var persisted: TrafficStats? = null
fun requestUpdate(): Pair<TrafficStats, Boolean> {
val now = SystemClock.elapsedRealtime()
val delta = now - timestampLast
timestampLast = now
var updated = false
if (delta != 0L) {
if (dirty) {
out = current.copy().apply {
txRate = (txTotal - out.txTotal) * 1000 / delta
rxRate = (rxTotal - out.rxTotal) * 1000 / delta
}
dirty = false
updated = true
} else {
if (out.txRate != 0L) {
out.txRate = 0
updated = true
}
if (out.rxRate != 0L) {
out.rxRate = 0
updated = true
}
}
}
return Pair(out, updated)
}
fun persistStats(id: Long) {
val current = current
check(persisted == null || persisted == current) { "Data loss occurred" }
persisted = current
try {
// profile may have host, etc. modified and thus a re-fetch is necessary (possible race condition)
val profile = ProfileManager.getProfile(id) ?: return
profile.tx += current.txTotal
profile.rx += current.rxTotal
ProfileManager.updateProfile(profile)
} catch (e: IOException) {
if (!DataStore.directBootAware) throw e // we should only reach here because we're in direct boot
val profile = DirectBoot.getDeviceProfile()!!.toList().filterNotNull().single { it.id == id }
profile.tx += current.txTotal
profile.rx += current.rxTotal
profile.dirty = true
DirectBoot.update(profile)
DirectBoot.listenForUnlock()
}
}
}

229
client/android/src/com/github/shadowsocks/bg/VpnService.kt Normal file
View file

@ -0,0 +1,229 @@
/*******************************************************************************
* *
* Copyright (C) 2017 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2017 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.bg
import android.app.Service
import android.content.Intent
import android.net.LocalSocket
import android.net.LocalSocketAddress
import android.net.Network
import android.os.Build
import android.os.ParcelFileDescriptor
import android.system.ErrnoException
import android.system.Os
import com.github.shadowsocks.Core
import org.amnezia.vpn.R
import com.github.shadowsocks.net.ConcurrentLocalSocketListener
import com.github.shadowsocks.net.DefaultNetworkListener
import com.github.shadowsocks.net.HostsFile
import com.github.shadowsocks.net.Subnet
import com.github.shadowsocks.preference.DataStore
import com.github.shadowsocks.utils.printLog
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.delay
import kotlinx.coroutines.launch
import java.io.Closeable
import java.io.File
import java.io.FileDescriptor
import java.io.IOException
import java.net.URL
import java.util.*
import android.net.VpnService as BaseVpnService
class VpnService : BaseVpnService(), LocalDnsService.Interface {
companion object {
private const val VPN_MTU = 1500
private const val PRIVATE_VLAN4_CLIENT = "172.19.0.1"
private const val PRIVATE_VLAN4_ROUTER = "172.19.0.2"
private const val PRIVATE_VLAN6_CLIENT = "fdfe:dcba:9876::1"
private const val PRIVATE_VLAN6_ROUTER = "fdfe:dcba:9876::2"
/**
* https://android.googlesource.com/platform/prebuilts/runtime/+/94fec32/appcompat/hiddenapi-light-greylist.txt#9466
*/
private val getInt = FileDescriptor::class.java.getDeclaredMethod("getInt$")
}
class CloseableFd(val fd: FileDescriptor) : Closeable {
override fun close() = Os.close(fd)
}
private inner class ProtectWorker : ConcurrentLocalSocketListener("ShadowsocksVpnThread",
File(Core.deviceStorage.noBackupFilesDir, "protect_path")) {
override fun acceptInternal(socket: LocalSocket) {
socket.inputStream.read()
val fd = socket.ancillaryFileDescriptors!!.single()!!
CloseableFd(fd).use {
socket.outputStream.write(if (underlyingNetwork.let { network ->
if (network != null && Build.VERSION.SDK_INT >= 23) try {
network.bindSocket(fd)
true
} catch (e: IOException) {
// suppress ENONET (Machine is not on the network)
if ((e.cause as? ErrnoException)?.errno != 64) printLog(e)
false
} else protect(getInt.invoke(fd) as Int)
}) 0 else 1)
}
}
}
inner class NullConnectionException : NullPointerException(), BaseService.ExpectedException {
override fun getLocalizedMessage() = getString(R.string.reboot_required)
}
override val data = BaseService.Data(this)
override val tag: String get() = "ShadowsocksVpnService"
override fun createNotification(profileName: String): ServiceNotification =
ServiceNotification(this, profileName, "service-vpn")
private var conn: ParcelFileDescriptor? = null
private var worker: ProtectWorker? = null
private var active = false
// metered = false. xinlake
private var underlyingNetwork: Network? = null
set(value) {
field = value
if (active) setUnderlyingNetworks(underlyingNetworks)
}
private val underlyingNetworks
get() = // clearing underlyingNetworks makes Android 9 consider the network to be metered
underlyingNetwork?.let { arrayOf(it) }
override fun onBind(intent: Intent) = when (intent.action) {
SERVICE_INTERFACE -> super<BaseVpnService>.onBind(intent)
else -> super<LocalDnsService.Interface>.onBind(intent)
}
override fun onRevoke() = stopRunner()
override fun killProcesses(scope: CoroutineScope) {
super.killProcesses(scope)
active = false
scope.launch { DefaultNetworkListener.stop(this) }
worker?.shutdown(scope)
worker = null
conn?.close()
conn = null
}
override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
if (prepare(this) != null) {
// startActivity(Intent(this, VpnRequestActivity::class.java).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK))
} else {
return super<LocalDnsService.Interface>.onStartCommand(intent, flags, startId)
}
stopRunner()
return Service.START_NOT_STICKY
}
override suspend fun preInit() = DefaultNetworkListener.start(this) { underlyingNetwork = it }
override suspend fun resolver(host: String) =
DnsResolverCompat.resolve(DefaultNetworkListener.get(), host)
override suspend fun openConnection(url: URL) = DefaultNetworkListener.get().openConnection(url)
override suspend fun startProcesses(hosts: HostsFile) {
worker = ProtectWorker().apply { start() }
super.startProcesses(hosts)
sendFd(startVpn())
}
override fun buildAdditionalArguments(cmd: ArrayList<String>): ArrayList<String> {
cmd += "-V"
return cmd
}
private suspend fun startVpn(): FileDescriptor {
val profile = data.proxy!!.profile
val builder = Builder()
.setConfigureIntent(Core.configureIntent(this))
.setSession(profile.formattedName)
.setMtu(VPN_MTU)
.addAddress(PRIVATE_VLAN4_CLIENT, 30)
.addDnsServer(PRIVATE_VLAN4_ROUTER)
if (profile.ipv6) {
builder.addAddress(PRIVATE_VLAN6_CLIENT, 126)
builder.addRoute("::", 0)
}
// XinLake. bypass lan
resources.getStringArray(R.array.bypass_private_route).forEach {
val subnet = Subnet.fromString(it)!!
builder.addRoute(subnet.address.hostAddress, subnet.prefixSize)
}
builder.addRoute(PRIVATE_VLAN4_ROUTER, 32)
active = true // possible race condition here?
if (Build.VERSION.SDK_INT >= 22) {
builder.setUnderlyingNetworks(underlyingNetworks)
}
val conn = builder.establish() ?: throw NullConnectionException()
this.conn = conn
val cmd = arrayListOf(File(applicationInfo.nativeLibraryDir, Executable.TUN2SOCKS).absolutePath,
"--netif-ipaddr", PRIVATE_VLAN4_ROUTER,
"--socks-server-addr", "${DataStore.listenAddress}:${DataStore.portProxy}",
"--tunmtu", VPN_MTU.toString(),
"--sock-path", "sock_path",
"--dnsgw", "127.0.0.1:${DataStore.portLocalDns}",
"--loglevel", "warning")
if (profile.ipv6) {
cmd += "--netif-ip6addr"
cmd += PRIVATE_VLAN6_ROUTER
}
cmd += "--enable-udprelay"
data.processes!!.start(cmd, onRestartCallback = {
try {
sendFd(conn.fileDescriptor)
} catch (e: ErrnoException) {
stopRunner(false, e.message)
}
})
return conn.fileDescriptor
}
private suspend fun sendFd(fd: FileDescriptor) {
var tries = 0
val path = File(Core.deviceStorage.noBackupFilesDir, "sock_path").absolutePath
while (true) try {
delay(50L shl tries)
LocalSocket().use { localSocket ->
localSocket.connect(LocalSocketAddress(path, LocalSocketAddress.Namespace.FILESYSTEM))
localSocket.setFileDescriptorsForSend(arrayOf(fd))
localSocket.outputStream.write(42)
}
return
} catch (e: IOException) {
if (tries > 5) throw e
tries += 1
}
}
override fun onDestroy() {
super.onDestroy()
data.binder.close()
}
}

136
client/android/src/com/github/shadowsocks/database/KeyValuePair.kt Normal file
View file

@ -0,0 +1,136 @@
/*******************************************************************************
* *
* Copyright (C) 2017 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2017 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.database
import androidx.room.*
import java.io.ByteArrayOutputStream
import java.nio.ByteBuffer
@Entity
class KeyValuePair() {
companion object {
const val TYPE_UNINITIALIZED = 0
const val TYPE_BOOLEAN = 1
const val TYPE_FLOAT = 2
@Deprecated("Use TYPE_LONG.")
const val TYPE_INT = 3
const val TYPE_LONG = 4
const val TYPE_STRING = 5
const val TYPE_STRING_SET = 6
}
@androidx.room.Dao
interface Dao {
@Query("SELECT * FROM `KeyValuePair` WHERE `key` = :key")
operator fun get(key: String): KeyValuePair?
@Insert(onConflict = OnConflictStrategy.REPLACE)
fun put(value: KeyValuePair): Long
@Query("DELETE FROM `KeyValuePair` WHERE `key` = :key")
fun delete(key: String): Int
}
@PrimaryKey
var key: String = ""
var valueType: Int = TYPE_UNINITIALIZED
var value: ByteArray = ByteArray(0)
val boolean: Boolean?
get() = if (valueType == TYPE_BOOLEAN) ByteBuffer.wrap(value).get() != 0.toByte() else null
val float: Float?
get() = if (valueType == TYPE_FLOAT) ByteBuffer.wrap(value).float else null
@Suppress("DEPRECATION")
@Deprecated("Use long.", ReplaceWith("long"))
val int: Int?
get() = if (valueType == TYPE_INT) ByteBuffer.wrap(value).int else null
val long: Long?
get() = when (valueType) {
@Suppress("DEPRECATION")
TYPE_INT -> ByteBuffer.wrap(value).int.toLong()
TYPE_LONG -> ByteBuffer.wrap(value).long
else -> null
}
val string: String?
get() = if (valueType == TYPE_STRING) String(value) else null
val stringSet: Set<String>?
get() = if (valueType == TYPE_STRING_SET) {
val buffer = ByteBuffer.wrap(value)
val result = HashSet<String>()
while (buffer.hasRemaining()) {
val chArr = ByteArray(buffer.int)
buffer.get(chArr)
result.add(String(chArr))
}
result
} else null
@Ignore
constructor(key: String) : this() {
this.key = key
}
// putting null requires using DataStore
fun put(value: Boolean): KeyValuePair {
valueType = TYPE_BOOLEAN
this.value = ByteBuffer.allocate(1).put((if (value) 1 else 0).toByte()).array()
return this
}
fun put(value: Float): KeyValuePair {
valueType = TYPE_FLOAT
this.value = ByteBuffer.allocate(4).putFloat(value).array()
return this
}
@Suppress("DEPRECATION")
@Deprecated("Use long.")
fun put(value: Int): KeyValuePair {
valueType = TYPE_INT
this.value = ByteBuffer.allocate(4).putInt(value).array()
return this
}
fun put(value: Long): KeyValuePair {
valueType = TYPE_LONG
this.value = ByteBuffer.allocate(8).putLong(value).array()
return this
}
fun put(value: String): KeyValuePair {
valueType = TYPE_STRING
this.value = value.toByteArray()
return this
}
fun put(value: Set<String>): KeyValuePair {
valueType = TYPE_STRING_SET
val stream = ByteArrayOutputStream()
val intBuffer = ByteBuffer.allocate(4)
for (v in value) {
intBuffer.rewind()
stream.write(intBuffer.putInt(v.length).array())
stream.write(v.toByteArray())
}
this.value = stream.toByteArray()
return this
}
}

63
client/android/src/com/github/shadowsocks/database/PrivateDatabase.kt Normal file
View file

@ -0,0 +1,63 @@
/*******************************************************************************
* *
* Copyright (C) 2017 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2017 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.database
import androidx.room.Database
import androidx.room.Room
import androidx.room.RoomDatabase
import androidx.sqlite.db.SupportSQLiteDatabase
import com.github.shadowsocks.Core.app
import com.github.shadowsocks.database.migration.RecreateSchemaMigration
import com.github.shadowsocks.utils.Key
import kotlinx.coroutines.GlobalScope
import kotlinx.coroutines.launch
@Database(entities = [Profile::class, KeyValuePair::class], version = 1000)
abstract class PrivateDatabase : RoomDatabase() {
companion object {
private val instance by lazy {
Room.databaseBuilder(app, PrivateDatabase::class.java, Key.DB_PROFILE).apply {
addMigrations(Migration1000)
allowMainThreadQueries()
enableMultiInstanceInvalidation()
fallbackToDestructiveMigration()
setQueryExecutor { GlobalScope.launch { it.run() } }
}.build()
}
val profileDao get() = instance.profileDao()
val kvPairDao get() = instance.keyValuePairDao()
}
abstract fun profileDao(): Profile.Dao
abstract fun keyValuePairDao(): KeyValuePair.Dao
object Migration1000 : RecreateSchemaMigration(999,
1000,
"Profile",
"(`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `name` TEXT, `host` TEXT NOT NULL, `remotePort` INTEGER NOT NULL, `password` TEXT NOT NULL, `method` TEXT NOT NULL, `remoteDns` TEXT NOT NULL, `udpdns` INTEGER NOT NULL, `ipv6` INTEGER NOT NULL, `tx` INTEGER NOT NULL, `rx` INTEGER NOT NULL, `userOrder` INTEGER NOT NULL)",
"`id`, `name`, `host`, `remotePort`, `password`, `method`, `remoteDns`, `udpdns`, `ipv6`, `tx`, `rx`, `userOrder`") {
override fun migrate(database: SupportSQLiteDatabase) {
super.migrate(database)
PublicDatabase.Migration3.migrate(database)
}
}
}

266
client/android/src/com/github/shadowsocks/database/Profile.kt Normal file
View file

@ -0,0 +1,266 @@
/*******************************************************************************
* *
* Copyright (C) 2017 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2017 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.database
import android.net.Uri
import android.os.Parcelable
import android.util.Base64
import android.util.Log
import android.util.LongSparseArray
import androidx.core.net.toUri
import androidx.room.*
import com.github.shadowsocks.preference.DataStore
import com.github.shadowsocks.utils.Key
import com.github.shadowsocks.utils.parsePort
import com.google.gson.JsonArray
import com.google.gson.JsonElement
import com.google.gson.JsonObject
import com.google.gson.JsonPrimitive
import kotlinx.android.parcel.Parcelize
import org.json.JSONObject
import java.io.Serializable
import java.net.URI
import java.net.URISyntaxException
import java.util.*
@Entity
@Parcelize
data class Profile(
// XinLake. route mode is bypass-lan
@PrimaryKey(autoGenerate = true)
var id: Long = 0,
var name: String? = "",
var host: String = "0.0.0.0",
var remotePort: Int = 0,
var password: String = "0000",
var method: String = "aes-256-cfb",
var remoteDns: String = "8.8.8.8",
var udpdns: Boolean = false,
var ipv6: Boolean = false,
//@TargetApi(28)
var tx: Long = 0,
var rx: Long = 0,
var userOrder: Long = 0,
@Ignore // not persisted in db, only used by direct boot
var dirty: Boolean = false) : Parcelable, Serializable {
companion object {
private const val TAG = "ShadowParser"
private const val serialVersionUID = 1L
private val pattern =
"""(?i)ss://[-a-zA-Z0-9+&@#/%?=.~*'()|!:,;\[\]]*[-a-zA-Z0-9+&@#/%=.~*'()|\[\]]""".toRegex()
private val userInfoPattern = "^(.+?):(.*)$".toRegex()
private val legacyPattern = "^(.+?):(.*)@(.+?):(\\d+?)$".toRegex()
fun findAllUrls(data: CharSequence?, feature: Profile? = null) =
pattern.findAll(data ?: "").map {
val uri = it.value.toUri()
try {
if (uri.userInfo == null) {
val match = legacyPattern.matchEntire(String(Base64.decode(uri.host, Base64.NO_PADDING)))
if (match != null) {
val profile = Profile()
feature?.copyFeatureSettingsTo(profile)
profile.method = match.groupValues[1].toLowerCase(Locale.ENGLISH)
profile.password = match.groupValues[2]
profile.host = match.groupValues[3]
profile.remotePort = match.groupValues[4].toInt()
profile.name = uri.fragment
profile
} else {
Log.e(TAG, "Unrecognized URI: ${it.value}")
null
}
} else {
val match = userInfoPattern.matchEntire(String(Base64.decode(uri.userInfo,
Base64.NO_PADDING or Base64.NO_WRAP or Base64.URL_SAFE)))
if (match != null) {
val profile = Profile()
feature?.copyFeatureSettingsTo(profile)
profile.method = match.groupValues[1]
profile.password = match.groupValues[2]
// bug in Android: https://code.google.com/p/android/issues/detail?id=192855
try {
val javaURI = URI(it.value)
profile.host = javaURI.host ?: ""
if (profile.host.firstOrNull() == '[' && profile.host.lastOrNull() == ']') {
profile.host = profile.host.substring(1, profile.host.length - 1)
}
profile.remotePort = javaURI.port
profile.name = uri.fragment ?: ""
profile
} catch (e: URISyntaxException) {
Log.e(TAG, "Invalid URI: ${it.value}")
null
}
} else {
Log.e(TAG, "Unknown user info: ${it.value}")
null
}
}
} catch (e: IllegalArgumentException) {
Log.e(TAG, "Invalid base64 detected: ${it.value}")
null
}
}.filterNotNull()
private class JsonParser(private val feature: Profile? = null) : ArrayList<Profile>() {
private val JsonElement?.optString get() = (this as? JsonPrimitive)?.asString
private val JsonElement?.optBoolean
get() = // asBoolean attempts to cast everything to boolean
(this as? JsonPrimitive)?.run { if (isBoolean) asBoolean else null }
private val JsonElement?.optInt
get() = try {
(this as? JsonPrimitive)?.asInt
} catch (_: NumberFormatException) {
null
}
private fun tryParse(json: JsonObject, fallback: Boolean = false): Profile? {
val host = json["server"].optString
if (host.isNullOrEmpty()) return null
val remotePort = json["server_port"]?.optInt
if (remotePort == null || remotePort <= 0) return null
val password = json["password"].optString
if (password.isNullOrEmpty()) return null
val method = json["method"].optString
if (method.isNullOrEmpty()) return null
return Profile().also {
it.host = host
it.remotePort = remotePort
it.password = password
it.method = method
}.apply {
feature?.copyFeatureSettingsTo(this)
name = json["remarks"].optString
if (fallback) return@apply
remoteDns = json["remote_dns"].optString ?: remoteDns
ipv6 = json["ipv6"].optBoolean ?: ipv6
udpdns = json["udpdns"].optBoolean ?: udpdns
}
}
fun process(json: JsonElement?) {
when (json) {
is JsonObject -> {
val profile = tryParse(json)
if (profile != null) add(profile) else for ((_, value) in json.entrySet()) process(value)
}
is JsonArray -> json.asIterable().forEach(this::process)
// ignore other types
}
}
}
fun parseJson(json: JsonElement, feature: Profile? = null, create: (Profile) -> Unit) {
JsonParser(feature).run {
process(json)
for (profile in this) create(profile)
}
}
}
@androidx.room.Dao
interface Dao {
@Query("SELECT * FROM `Profile` WHERE `id` = :id")
operator fun get(id: Long): Profile?
@Query("SELECT * FROM `Profile` ORDER BY `userOrder`")
fun list(): List<Profile>
@Query("SELECT MAX(`userOrder`) + 1 FROM `Profile`")
fun nextOrder(): Long?
@Query("SELECT 1 FROM `Profile` LIMIT 1")
fun isNotEmpty(): Boolean
@Insert
fun create(value: Profile): Long
@Update
fun update(value: Profile): Int
@Query("DELETE FROM `Profile` WHERE `id` = :id")
fun delete(id: Long): Int
@Query("DELETE FROM `Profile`")
fun deleteAll(): Int
}
val formattedAddress get() = (if (host.contains(":")) "[%s]:%d" else "%s:%d").format(host, remotePort)
val formattedName get() = if (name.isNullOrEmpty()) formattedAddress else name!!
fun copyFeatureSettingsTo(profile: Profile) {
profile.ipv6 = ipv6
profile.udpdns = udpdns
}
fun toUri(): Uri {
val auth = Base64.encodeToString("$method:$password".toByteArray(),
Base64.NO_PADDING or Base64.NO_WRAP or Base64.URL_SAFE)
val wrappedHost = if (host.contains(':')) "[$host]" else host
val builder = Uri.Builder().scheme("ss").encodedAuthority("$auth@$wrappedHost:$remotePort")
if (!name.isNullOrEmpty()) builder.fragment(name)
return builder.build()
}
override fun toString() = toUri().toString()
fun toJson(profiles: LongSparseArray<Profile>? = null): JSONObject = JSONObject().apply {
put("server", host)
put("server_port", remotePort)
put("password", password)
put("method", method)
if (profiles == null) return@apply
put("remarks", name)
put("remote_dns", remoteDns)
put("ipv6", ipv6)
put("udpdns", udpdns)
}
fun serialize() {
DataStore.editingId = id
DataStore.privateStore.putString(Key.name, name)
DataStore.privateStore.putString(Key.host, host)
DataStore.privateStore.putString(Key.remotePort, remotePort.toString())
DataStore.privateStore.putString(Key.password, password)
DataStore.privateStore.putString(Key.remoteDns, remoteDns)
DataStore.privateStore.putString(Key.method, method)
DataStore.privateStore.putBoolean(Key.udpdns, udpdns)
DataStore.privateStore.putBoolean(Key.ipv6, ipv6)
DataStore.privateStore.remove(Key.dirty)
}
fun deserialize() {
check(id == 0L || DataStore.editingId == id)
DataStore.editingId = null
// It's assumed that default values are never used, so 0/false/null is always used even if that isn't the case
name = DataStore.privateStore.getString(Key.name) ?: ""
// It's safe to trim the hostname, as we expect no leading or trailing whitespaces here
host = (DataStore.privateStore.getString(Key.host) ?: "").trim()
remotePort = parsePort(DataStore.privateStore.getString(Key.remotePort), 8388, 1)
password = DataStore.privateStore.getString(Key.password) ?: ""
method = DataStore.privateStore.getString(Key.method) ?: ""
remoteDns = DataStore.privateStore.getString(Key.remoteDns) ?: ""
udpdns = DataStore.privateStore.getBoolean(Key.udpdns, false)
ipv6 = DataStore.privateStore.getBoolean(Key.ipv6, false)
}
}

140
client/android/src/com/github/shadowsocks/database/ProfileManager.kt Normal file
View file

@ -0,0 +1,140 @@
/*******************************************************************************
* *
* Copyright (C) 2017 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2017 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.database
import android.database.sqlite.SQLiteCantOpenDatabaseException
import android.util.LongSparseArray
import com.github.shadowsocks.Core
import com.github.shadowsocks.preference.DataStore
import com.github.shadowsocks.utils.DirectBoot
import com.github.shadowsocks.utils.forEachTry
import com.github.shadowsocks.utils.printLog
import com.google.gson.JsonStreamParser
import org.json.JSONArray
import java.io.IOException
import java.io.InputStream
import java.sql.SQLException
/**
* SQLExceptions are not caught (and therefore will cause crash) for insert/update transactions
* to ensure we are in a consistent state.
*/
object ProfileManager {
interface Listener {
fun onAdd(profile: Profile)
fun onRemove(profileId: Long)
fun onCleared()
}
var listener: Listener? = null
@Throws(SQLException::class)
fun createProfile(profile: Profile = Profile()): Profile {
profile.id = 0
profile.userOrder = PrivateDatabase.profileDao.nextOrder() ?: 0
profile.id = PrivateDatabase.profileDao.create(profile)
listener?.onAdd(profile)
return profile
}
fun createProfilesFromJson(jsons: Sequence<InputStream>, replace: Boolean = false) {
val profiles = if (replace) getAllProfiles()?.associateBy { it.formattedAddress } else null
val feature = if (replace) {
profiles?.values?.singleOrNull { it.id == DataStore.profileId }
} else Core.currentProfile?.first
val lazyClear = lazy { clear() }
jsons.asIterable().forEachTry { json ->
Profile.parseJson(JsonStreamParser(json.bufferedReader()).asSequence().single(), feature) {
if (replace) {
lazyClear.value
// if two profiles has the same address, treat them as the same profile and copy stats over
profiles?.get(it.formattedAddress)?.apply {
it.tx = tx
it.rx = rx
}
}
createProfile(it)
}
}
}
fun serializeToJson(profiles: List<Profile>? = getAllProfiles()): JSONArray? {
if (profiles == null) return null
val lookup = LongSparseArray<Profile>(profiles.size).apply { profiles.forEach { put(it.id, it) } }
return JSONArray(profiles.map { it.toJson(lookup) }.toTypedArray())
}
/**
* Note: It's caller's responsibility to update DirectBoot profile if necessary.
*/
@Throws(SQLException::class)
fun updateProfile(profile: Profile) = check(PrivateDatabase.profileDao.update(profile) == 1)
@Throws(IOException::class)
fun getProfile(id: Long): Profile? = try {
PrivateDatabase.profileDao[id]
} catch (ex: SQLiteCantOpenDatabaseException) {
throw IOException(ex)
} catch (ex: SQLException) {
printLog(ex)
null
}
@Throws(IOException::class)
fun expand(profile: Profile): Pair<Profile, Profile?> = Pair(profile, null)
@Throws(SQLException::class)
fun delProfile(id: Long) {
check(PrivateDatabase.profileDao.delete(id) == 1)
listener?.onRemove(id)
if (id in Core.activeProfileIds && DataStore.directBootAware) DirectBoot.clean()
}
@Throws(SQLException::class)
fun clear() = PrivateDatabase.profileDao.deleteAll().also {
// listener is not called since this won't be used in mobile submodule
DirectBoot.clean()
listener?.onCleared()
}
@Throws(IOException::class)
fun ensureNotEmpty() {
val nonEmpty = try {
PrivateDatabase.profileDao.isNotEmpty()
} catch (ex: SQLiteCantOpenDatabaseException) {
throw IOException(ex)
} catch (ex: SQLException) {
printLog(ex)
false
}
if (!nonEmpty) DataStore.profileId = createProfile().id
}
@Throws(IOException::class)
fun getAllProfiles(): List<Profile>? = try {
PrivateDatabase.profileDao.list()
} catch (ex: SQLiteCantOpenDatabaseException) {
throw IOException(ex)
} catch (ex: SQLException) {
printLog(ex)
null
}
}

56
client/android/src/com/github/shadowsocks/database/PublicDatabase.kt Normal file
View file

@ -0,0 +1,56 @@
/*******************************************************************************
* *
* Copyright (C) 2017 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2017 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.database
import androidx.room.Database
import androidx.room.Room
import androidx.room.RoomDatabase
import com.github.shadowsocks.Core
import com.github.shadowsocks.database.migration.RecreateSchemaMigration
import com.github.shadowsocks.utils.Key
import kotlinx.coroutines.GlobalScope
import kotlinx.coroutines.launch
@Database(entities = [KeyValuePair::class], version = 3)
abstract class PublicDatabase : RoomDatabase() {
companion object {
private val instance by lazy {
Room.databaseBuilder(Core.deviceStorage, PublicDatabase::class.java, Key.DB_PUBLIC)
.apply {
addMigrations(Migration3)
allowMainThreadQueries()
enableMultiInstanceInvalidation()
fallbackToDestructiveMigration()
setQueryExecutor { GlobalScope.launch { it.run() } }
}.build()
}
val kvPairDao get() = instance.keyValuePairDao()
}
abstract fun keyValuePairDao(): KeyValuePair.Dao
internal object Migration3 : RecreateSchemaMigration(2,
3,
"KeyValuePair",
"(`key` TEXT NOT NULL, `valueType` INTEGER NOT NULL, `value` BLOB NOT NULL, PRIMARY KEY(`key`))",
"`key`, `valueType`, `value`")
}

35
client/android/src/com/github/shadowsocks/database/migration/RecreateSchemaMigration.kt Normal file
View file

@ -0,0 +1,35 @@
/*******************************************************************************
* *
* Copyright (C) 2018 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2018 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.database.migration
import androidx.room.migration.Migration
import androidx.sqlite.db.SupportSQLiteDatabase
open class RecreateSchemaMigration(oldVersion: Int, newVersion: Int, private val table: String,
private val schema: String, private val keys: String)
: Migration(oldVersion, newVersion) {
override fun migrate(database: SupportSQLiteDatabase) {
database.execSQL("CREATE TABLE `tmp` $schema")
database.execSQL("INSERT INTO `tmp` ($keys) SELECT $keys FROM `$table`")
database.execSQL("DROP TABLE `$table`")
database.execSQL("ALTER TABLE `tmp` RENAME TO `$table`")
}
}

129
client/android/src/com/github/shadowsocks/net/ChannelMonitor.kt Normal file
View file

@ -0,0 +1,129 @@
/*******************************************************************************
* *
* Copyright (C) 2019 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2019 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.net
import android.os.Build
import com.github.shadowsocks.utils.printLog
import kotlinx.coroutines.*
import kotlinx.coroutines.channels.Channel
import kotlinx.coroutines.channels.sendBlocking
import java.io.IOException
import java.nio.ByteBuffer
import java.nio.channels.*
class ChannelMonitor : Thread("ChannelMonitor") {
private data class Registration(val channel: SelectableChannel,
val ops: Int,
val listener: (SelectionKey) -> Unit) {
val result = CompletableDeferred<SelectionKey>()
}
private val selector = Selector.open()
private val registrationPipe = Pipe.open()
private val pendingRegistrations = Channel<Registration>(Channel.UNLIMITED)
private val closeChannel = Channel<Unit>(1)
@Volatile
private var running = true
private fun registerInternal(channel: SelectableChannel, ops: Int, block: (SelectionKey) -> Unit) =
channel.register(selector, ops, block)
init {
registrationPipe.source().apply {
configureBlocking(false)
registerInternal(this, SelectionKey.OP_READ) {
val junk = ByteBuffer.allocateDirect(1)
while (read(junk) > 0) {
pendingRegistrations.poll()!!.apply {
try {
result.complete(registerInternal(channel, ops, listener))
} catch (e: Exception) {
result.completeExceptionally(e)
}
}
junk.clear()
}
}
}
start()
}
/**
* Prevent NetworkOnMainThreadException because people enable strict mode for no reasons.
*/
private suspend fun WritableByteChannel.writeCompat(src: ByteBuffer) =
if (Build.VERSION.SDK_INT <= 23) withContext(Dispatchers.Default) { write(src) } else write(src)
suspend fun register(channel: SelectableChannel, ops: Int, block: (SelectionKey) -> Unit): SelectionKey {
val registration = Registration(channel, ops, block)
pendingRegistrations.send(registration)
ByteBuffer.allocateDirect(1).also { junk ->
loop@ while (running) when (registrationPipe.sink().writeCompat(junk)) {
0 -> kotlinx.coroutines.yield()
1 -> break@loop
else -> throw IOException("Failed to register in the channel")
}
}
if (!running) throw CancellationException()
return registration.result.await()
}
suspend fun wait(channel: SelectableChannel, ops: Int) =
CompletableDeferred<SelectionKey>().run {
register(channel, ops) {
if (it.isValid) try {
it.interestOps(0) // stop listening
} catch (_: CancelledKeyException) {
}
complete(it)
}
await()
}
override fun run() {
while (running) {
val num = try {
selector.select()
} catch (e: Exception) {
printLog(e)
continue
}
if (num <= 0) continue
val iterator = selector.selectedKeys().iterator()
while (iterator.hasNext()) {
val key = iterator.next()
iterator.remove()
(key.attachment() as (SelectionKey) -> Unit)(key)
}
}
closeChannel.sendBlocking(Unit)
}
fun close(scope: CoroutineScope) {
running = false
selector.wakeup()
scope.launch {
closeChannel.receive()
selector.keys().forEach { it.channel().close() }
selector.close()
}
}
}

43
client/android/src/com/github/shadowsocks/net/ConcurrentLocalSocketListener.kt Normal file
View file

@ -0,0 +1,43 @@
/*******************************************************************************
* *
* Copyright (C) 2019 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2019 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.net
import android.net.LocalSocket
import com.github.shadowsocks.utils.printLog
import kotlinx.coroutines.*
import java.io.File
abstract class ConcurrentLocalSocketListener(name: String, socketFile: File) :
LocalSocketListener(name, socketFile), CoroutineScope {
override val coroutineContext =
Dispatchers.IO + SupervisorJob() + CoroutineExceptionHandler { _, t -> printLog(t) }
override fun accept(socket: LocalSocket) {
launch { super.accept(socket) }
}
override fun shutdown(scope: CoroutineScope) {
running = false
cancel()
super.shutdown(scope)
coroutineContext[Job]!!.also { job -> scope.launch { job.join() } }
}
}

145
client/android/src/com/github/shadowsocks/net/DefaultNetworkListener.kt Normal file
View file

@ -0,0 +1,145 @@
/*******************************************************************************
* *
* Copyright (C) 2019 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2019 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.net
import android.annotation.TargetApi
import android.net.ConnectivityManager
import android.net.Network
import android.net.NetworkCapabilities
import android.net.NetworkRequest
import android.os.Build
import com.github.shadowsocks.Core
import kotlinx.coroutines.CompletableDeferred
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.GlobalScope
import kotlinx.coroutines.channels.actor
import kotlinx.coroutines.runBlocking
import java.net.UnknownHostException
object DefaultNetworkListener {
private sealed class NetworkMessage {
class Start(val key: Any, val listener: (Network?) -> Unit) : NetworkMessage()
class Get : NetworkMessage() {
val response = CompletableDeferred<Network>()
}
class Stop(val key: Any) : NetworkMessage()
class Put(val network: Network) : NetworkMessage()
class Update(val network: Network) : NetworkMessage()
class Lost(val network: Network) : NetworkMessage()
}
private val networkActor = GlobalScope.actor<NetworkMessage>(Dispatchers.Unconfined) {
val listeners = mutableMapOf<Any, (Network?) -> Unit>()
var network: Network? = null
val pendingRequests = arrayListOf<NetworkMessage.Get>()
for (message in channel) when (message) {
is NetworkMessage.Start -> {
if (listeners.isEmpty()) register()
listeners[message.key] = message.listener
if (network != null) message.listener(network)
}
is NetworkMessage.Get -> {
check(listeners.isNotEmpty()) { "Getting network without any listeners is not supported" }
if (network == null) pendingRequests += message else message.response.complete(network)
}
is NetworkMessage.Stop -> if (listeners.isNotEmpty() && // was not empty
listeners.remove(message.key) != null && listeners.isEmpty()) {
network = null
unregister()
}
is NetworkMessage.Put -> {
network = message.network
pendingRequests.forEach { it.response.complete(message.network) }
pendingRequests.clear()
listeners.values.forEach { it(network) }
}
is NetworkMessage.Update -> if (network == message.network) listeners.values.forEach {
it(network)
}
is NetworkMessage.Lost -> if (network == message.network) {
network = null
listeners.values.forEach { it(null) }
}
}
}
suspend fun start(key: Any, listener: (Network?) -> Unit) =
networkActor.send(NetworkMessage.Start(key, listener))
suspend fun get() = if (fallback) @TargetApi(23) {
Core.connectivity.activeNetwork
?: throw UnknownHostException() // failed to listen, return current if available
} else NetworkMessage.Get().run {
networkActor.send(this)
response.await()
}
suspend fun stop(key: Any) = networkActor.send(NetworkMessage.Stop(key))
// NB: this runs in ConnectivityThread, and this behavior cannot be changed until API 26
// private object Callback : ConnectivityManager.NetworkCallback() {
// override fun onAvailable(network: Network) =
// runBlocking { networkActor.send(NetworkMessage.Put(network)) }
//
// override fun onCapabilitiesChanged(network: Network, networkCapabilities: NetworkCapabilities?) {
// // it's a good idea to refresh capabilities
// runBlocking { networkActor.send(NetworkMessage.Update(network)) }
// }
//
// override fun onLost(network: Network) =
// runBlocking { networkActor.send(NetworkMessage.Lost(network)) }
// }
private var fallback = false
private val request = NetworkRequest.Builder().apply {
addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)
addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_RESTRICTED)
}.build()
/**
* Unfortunately registerDefaultNetworkCallback is going to return VPN interface since Android P DP1:
* https://android.googlesource.com/platform/frameworks/base/+/dda156ab0c5d66ad82bdcf76cda07cbc0a9c8a2e
*
* This makes doing a requestNetwork with REQUEST necessary so that we don't get ALL possible networks that
* satisfies default network capabilities but only THE default network. Unfortunately, we need to have
* android.permission.CHANGE_NETWORK_STATE to be able to call requestNetwork.
*
* Source: https://android.googlesource.com/platform/frameworks/base/+/2df4c7d/services/core/java/com/android/server/ConnectivityService.java#887
*/
private fun register() {
// if (Build.VERSION.SDK_INT in 24..27) @TargetApi(24) {
// Core.connectivity.registerDefaultNetworkCallback(Callback)
// } else try {
// fallback = false
// // we want REQUEST here instead of LISTEN
// Core.connectivity.requestNetwork(request, Callback)
// } catch (e: SecurityException) {
// // known bug: https://stackoverflow.com/a/33509180/2245107
// // if (Build.VERSION.SDK_INT != 23) Crashlytics.logException(e)
// fallback = true
// }
}
private fun unregister() {}//= Core.connectivity.unregisterNetworkCallback(Callback)
}

40
client/android/src/com/github/shadowsocks/net/HostsFile.kt Normal file
View file

@ -0,0 +1,40 @@
/*******************************************************************************
* *
* Copyright (C) 2019 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2019 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.net
import com.github.shadowsocks.utils.computeIfAbsentCompat
import com.github.shadowsocks.utils.parseNumericAddress
import java.net.InetAddress
class HostsFile(input: String = "") {
private val map = mutableMapOf<String, MutableSet<InetAddress>>()
init {
for (line in input.lineSequence()) {
val entries = line.substringBefore('#').splitToSequence(' ', '\t').filter { it.isNotEmpty() }
val address = entries.firstOrNull()?.parseNumericAddress() ?: continue
for (hostname in entries.drop(1)) map.computeIfAbsentCompat(hostname) { LinkedHashSet(1) }.add(address)
}
}
val configuredHostnames get() = map.size
fun resolve(hostname: String) = map[hostname]?.shuffled() ?: emptyList()
}

121
client/android/src/com/github/shadowsocks/net/HttpsTest.kt Normal file
View file

@ -0,0 +1,121 @@
/*******************************************************************************
* *
* Copyright (C) 2018 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2018 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.net
import android.os.Build
import android.os.SystemClock
import androidx.lifecycle.MutableLiveData
import androidx.lifecycle.ViewModel
import com.github.shadowsocks.Core.app
import org.amnezia.vpn.R
import com.github.shadowsocks.utils.useCancellable
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.GlobalScope
import kotlinx.coroutines.Job
import kotlinx.coroutines.launch
import java.io.IOException
import java.net.HttpURLConnection
import java.net.URL
import java.net.URLConnection
/**
* Based on: https://android.googlesource.com/platform/frameworks/base/+/b19a838/services/core/java/com/android/server/connectivity/NetworkMonitor.java#1071
*/
class HttpsTest : ViewModel() {
sealed class Status {
protected abstract val status: CharSequence
open fun retrieve(setStatus: (CharSequence) -> Unit, errorCallback: (String) -> Unit) =
setStatus(status)
object Idle : Status() {
override val status get() = app.getText(R.string.vpn_connected)
}
object Testing : Status() {
override val status get() = app.getText(R.string.connection_test_testing)
}
class Success(private val elapsed: Long) : Status() {
override val status get() = app.getString(R.string.connection_test_available, elapsed)
}
sealed class Error : Status() {
override val status get() = app.getText(R.string.connection_test_fail)
protected abstract val error: String
private var shown = false
override fun retrieve(setStatus: (CharSequence) -> Unit, errorCallback: (String) -> Unit) {
super.retrieve(setStatus, errorCallback)
if (shown) return
shown = true
errorCallback(error)
}
class UnexpectedResponseCode(private val code: Int) : Error() {
override val error get() = app.getString(R.string.connection_test_error_status_code, code)
}
class IOFailure(private val e: IOException) : Error() {
override val error get() = app.getString(R.string.connection_test_error, e.message)
}
}
}
private var running: Job? = null
val status = MutableLiveData<Status>().apply { value = Status.Idle }
fun testConnection() {
cancelTest()
status.value = Status.Testing
val url = URL("https", "www.google.com", "/generate_204")
val conn = (url.openConnection()) as HttpURLConnection
conn.setRequestProperty("Connection", "close")
conn.instanceFollowRedirects = false
conn.useCaches = false
running = GlobalScope.launch(Dispatchers.Main.immediate) {
status.value = conn.useCancellable {
try {
val start = SystemClock.elapsedRealtime()
val code = responseCode
val elapsed = SystemClock.elapsedRealtime() - start
if (code == 204 || code == 200 && responseLength == 0L) Status.Success(elapsed)
else Status.Error.UnexpectedResponseCode(code)
} catch (e: IOException) {
Status.Error.IOFailure(e)
} finally {
disconnect()
}
}
}
}
private fun cancelTest() {
running?.cancel()
running = null
}
fun invalidate() {
cancelTest()
status.value = Status.Idle
}
private val URLConnection.responseLength: Long
get() = if (Build.VERSION.SDK_INT >= 24) contentLengthLong else contentLength.toLong()
}

194
client/android/src/com/github/shadowsocks/net/LocalDnsServer.kt Normal file
View file

@ -0,0 +1,194 @@
/*******************************************************************************
* *
* Copyright (C) 2019 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2019 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.net
import com.github.shadowsocks.bg.BaseService
import com.github.shadowsocks.utils.printLog
import kotlinx.coroutines.*
import org.xbill.DNS.*
import java.io.IOException
import java.net.*
import java.nio.ByteBuffer
import java.nio.channels.DatagramChannel
import java.nio.channels.SelectionKey
import java.nio.channels.SocketChannel
/**
* A simple DNS conditional forwarder.
*
* No cache is provided as localResolver may change from time to time. We expect DNS clients to do cache themselves.
*
* Based on:
* https://github.com/bitcoinj/httpseed/blob/809dd7ad9280f4bc98a356c1ffb3d627bf6c7ec5/src/main/kotlin/dns.kt
* https://github.com/shadowsocks/overture/tree/874f22613c334a3b78e40155a55479b7b69fee04
*/
class LocalDnsServer(private val localResolver: suspend (String) -> Array<InetAddress>,
private val remoteDns: Socks5Endpoint,
private val proxy: SocketAddress,
private val hosts: HostsFile) : CoroutineScope {
/**
* Forward all requests to remote and ignore localResolver.
*/
var forwardOnly = false
/**
* Forward UDP queries to TCP.
*/
var tcp = true
var remoteDomainMatcher: Regex? = null
var localIpMatcher: List<Subnet> = emptyList()
companion object {
private const val TAG = "LocalDnsServer"
private const val TIMEOUT = 10_000L
/**
* TTL returned from localResolver is set to 120. Android API does not provide TTL,
* so we suppose Android apps should not care about TTL either.
*/
private const val TTL = 120L
private const val UDP_PACKET_SIZE = 512
private fun prepareDnsResponse(request: Message) = Message(request.header.id).apply {
header.setFlag(Flags.QR.toInt()) // this is a response
if (request.header.getFlag(Flags.RD.toInt())) header.setFlag(Flags.RD.toInt())
request.question?.also { addRecord(it, Section.QUESTION) }
}
private fun cookDnsResponse(request: Message, results: Iterable<InetAddress>) =
ByteBuffer.wrap(prepareDnsResponse(request).apply {
header.setFlag(Flags.RA.toInt()) // recursion available
for (address in results) addRecord(when (address) {
is Inet4Address -> ARecord(question.name, DClass.IN, TTL, address)
is Inet6Address -> AAAARecord(question.name, DClass.IN, TTL, address)
else -> error("Unsupported address $address")
}, Section.ANSWER)
}.toWire())
}
private val monitor = ChannelMonitor()
override val coroutineContext =
SupervisorJob() + CoroutineExceptionHandler { _, t -> printLog(t) }
suspend fun start(listen: SocketAddress) = DatagramChannel.open().run {
configureBlocking(false)
try {
socket().bind(listen)
} catch (e: BindException) {
throw BaseService.ExpectedExceptionWrapper(e)
}
monitor.register(this, SelectionKey.OP_READ) { handlePacket(this) }
}
private fun handlePacket(channel: DatagramChannel) {
val buffer = ByteBuffer.allocateDirect(UDP_PACKET_SIZE)
val source = channel.receive(buffer)!!
buffer.flip()
launch {
val reply = resolve(buffer)
while (channel.send(reply, source) <= 0) monitor.wait(channel, SelectionKey.OP_WRITE)
}
}
private suspend fun resolve(packet: ByteBuffer): ByteBuffer {
val request = try {
Message(packet)
} catch (e: IOException) { // we cannot parse the message, do not attempt to handle it at all
// Crashlytics.log(Log.WARN, TAG, e.message)
return forward(packet)
}
return supervisorScope {
val remote = async { withTimeout(TIMEOUT) { forward(packet) } }
try {
if (request.header.opcode != Opcode.QUERY) return@supervisorScope remote.await()
val question = request.question
if (question?.type != Type.A) return@supervisorScope remote.await()
val host = question.name.toString(true)
val hostsResults = hosts.resolve(host)
if (hostsResults.isNotEmpty()) {
remote.cancel()
return@supervisorScope cookDnsResponse(request, hostsResults)
}
if (forwardOnly) return@supervisorScope remote.await()
if (remoteDomainMatcher?.containsMatchIn(host) == true) return@supervisorScope remote.await()
val localResults = try {
withTimeout(TIMEOUT) { localResolver(host) }
} catch (_: TimeoutCancellationException) {
// Crashlytics.log(Log.WARN, TAG, "Local resolving timed out, falling back to remote resolving")
return@supervisorScope remote.await()
} catch (_: UnknownHostException) {
return@supervisorScope remote.await()
}
if (localResults.isEmpty()) return@supervisorScope remote.await()
if (localIpMatcher.isEmpty() || localIpMatcher.any { subnet -> localResults.any(subnet::matches) }) {
remote.cancel()
cookDnsResponse(request, localResults.asIterable())
} else remote.await()
} catch (e: Exception) {
remote.cancel()
when (e) {
// is TimeoutCancellationException -> Crashlytics.log(Log.WARN, TAG, "Remote resolving timed out")
is CancellationException -> {
} // ignore
// is IOException -> Crashlytics.log(Log.WARN, TAG, e.message)
else -> printLog(e)
}
ByteBuffer.wrap(prepareDnsResponse(request).apply {
header.rcode = Rcode.SERVFAIL
}.toWire())
}
}
}
private suspend fun forward(packet: ByteBuffer): ByteBuffer {
packet.position(0) // the packet might have been parsed, reset to beginning
return if (tcp) SocketChannel.open().use { channel ->
channel.configureBlocking(false)
channel.connect(proxy)
val wrapped = remoteDns.tcpWrap(packet)
while (!channel.finishConnect()) monitor.wait(channel, SelectionKey.OP_CONNECT)
while (channel.write(wrapped) >= 0 && wrapped.hasRemaining()) monitor.wait(channel, SelectionKey.OP_WRITE)
val result = remoteDns.tcpReceiveBuffer(UDP_PACKET_SIZE)
remoteDns.tcpUnwrap(result, channel::read) {
monitor.wait(channel, SelectionKey.OP_READ)
}
result
} else DatagramChannel.open().use { channel ->
channel.configureBlocking(false)
monitor.wait(channel, SelectionKey.OP_WRITE)
check(channel.send(remoteDns.udpWrap(packet), proxy) > 0)
val result = remoteDns.udpReceiveBuffer(UDP_PACKET_SIZE)
while (isActive) {
monitor.wait(channel, SelectionKey.OP_READ)
if (channel.receive(result) == proxy) break
result.clear()
}
result.flip()
remoteDns.udpUnwrap(result)
result
}
}
fun shutdown(scope: CoroutineScope) {
cancel()
monitor.close(scope)
coroutineContext[Job]!!.also { job -> scope.launch { job.join() } }
}
}

80
client/android/src/com/github/shadowsocks/net/LocalSocketListener.kt Normal file
View file

@ -0,0 +1,80 @@
/*******************************************************************************
* *
* Copyright (C) 2017 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2017 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.net
import android.net.LocalServerSocket
import android.net.LocalSocket
import android.net.LocalSocketAddress
import android.system.ErrnoException
import android.system.Os
import android.system.OsConstants
import com.github.shadowsocks.utils.printLog
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.channels.Channel
import kotlinx.coroutines.channels.sendBlocking
import kotlinx.coroutines.launch
import java.io.File
import java.io.IOException
abstract class LocalSocketListener(name: String, socketFile: File) : Thread(name) {
private val localSocket = LocalSocket().apply {
socketFile.delete() // It's a must-have to close and reuse previous local socket.
bind(LocalSocketAddress(socketFile.absolutePath, LocalSocketAddress.Namespace.FILESYSTEM))
}
private val serverSocket = LocalServerSocket(localSocket.fileDescriptor)
private val closeChannel = Channel<Unit>(1)
@Volatile
protected var running = true
/**
* Inherited class do not need to close input/output streams as they will be closed automatically.
*/
protected open fun accept(socket: LocalSocket) = socket.use { acceptInternal(socket) }
protected abstract fun acceptInternal(socket: LocalSocket)
final override fun run() {
localSocket.use {
while (running) {
try {
accept(serverSocket.accept())
} catch (e: IOException) {
if (running) printLog(e)
continue
}
}
}
closeChannel.sendBlocking(Unit)
}
open fun shutdown(scope: CoroutineScope) {
running = false
localSocket.fileDescriptor?.apply {
// see also: https://issuetracker.google.com/issues/36945762#comment15
if (valid()) try {
Os.shutdown(this, OsConstants.SHUT_RDWR)
} catch (e: ErrnoException) {
// suppress fd inactive or already closed
if (e.errno != OsConstants.EBADF && e.errno != OsConstants.ENOTCONN) throw IOException(e)
}
}
scope.launch { closeChannel.receive() }
}
}

132
client/android/src/com/github/shadowsocks/net/Socks5Endpoint.kt Normal file
View file

@ -0,0 +1,132 @@
/*******************************************************************************
* *
* Copyright (C) 2019 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2019 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.net
import com.github.shadowsocks.utils.parseNumericAddress
import net.sourceforge.jsocks.Socks4Message
import net.sourceforge.jsocks.Socks5Message
import java.io.EOFException
import java.io.IOException
import java.net.Inet4Address
import java.net.Inet6Address
import java.nio.ByteBuffer
import kotlin.math.max
class Socks5Endpoint(host: String, port: Int) {
private val dest = host.parseNumericAddress().let { numeric ->
val bytes = numeric?.address
?: host.toByteArray().apply { check(size < 256) { "Hostname too long" } }
val type = when (numeric) {
null -> Socks5Message.SOCKS_ATYP_DOMAINNAME
is Inet4Address -> Socks5Message.SOCKS_ATYP_IPV4
is Inet6Address -> Socks5Message.SOCKS_ATYP_IPV6
else -> error("Unsupported address type $numeric")
}
ByteBuffer.allocate(bytes.size + (if (numeric == null) 1 else 0) + 3).apply {
put(type.toByte())
if (numeric == null) put(bytes.size.toByte())
put(bytes)
putShort(port.toShort())
}
}.array()
private val headerReserved = max(3 + 3 + 16, 3 + dest.size)
fun tcpWrap(message: ByteBuffer): ByteBuffer {
check(message.remaining() < 65536) { "TCP message too large" }
return ByteBuffer.allocateDirect(8 + dest.size + message.remaining()).apply {
put(Socks5Message.SOCKS_VERSION.toByte())
put(1) // nmethods
put(0) // no authentication required
// header
put(Socks5Message.SOCKS_VERSION.toByte())
put(Socks4Message.REQUEST_CONNECT.toByte())
put(0) // reserved
put(dest)
// data
putShort(message.remaining().toShort())
put(message)
flip()
}
}
fun tcpReceiveBuffer(size: Int) = ByteBuffer.allocateDirect(headerReserved + 4 + size)
suspend fun tcpUnwrap(buffer: ByteBuffer, reader: (ByteBuffer) -> Int, wait: suspend () -> Unit) {
suspend fun readBytes(till: Int) {
if (buffer.position() >= till) return
while (reader(buffer) >= 0 && buffer.position() < till) wait()
if (buffer.position() < till) throw EOFException("${buffer.position()} < $till")
}
suspend fun read(index: Int): Byte {
readBytes(index + 1)
return buffer[index]
}
if (read(0) != Socks5Message.SOCKS_VERSION.toByte()) throw IOException("Unsupported SOCKS version ${buffer[0]}")
if (read(1) != 0.toByte()) throw IOException("Unsupported authentication ${buffer[1]}")
if (read(2) != Socks5Message.SOCKS_VERSION.toByte()) throw IOException("Unsupported SOCKS version ${buffer[2]}")
if (read(3) != 0.toByte()) throw IOException("SOCKS5 server returned error ${buffer[3]}")
val dataOffset = when (val type = read(5)) {
Socks5Message.SOCKS_ATYP_IPV4.toByte() -> 4
Socks5Message.SOCKS_ATYP_DOMAINNAME.toByte() -> 1 + read(6)
Socks5Message.SOCKS_ATYP_IPV6.toByte() -> 16
else -> throw IOException("Unsupported address type $type")
} + 8
readBytes(dataOffset + 2)
buffer.limit(buffer.position()) // store old position to update mark
buffer.position(dataOffset)
val dataLength = buffer.short.toUShort().toInt()
val end = buffer.position() + dataLength
if (end > buffer.capacity()) throw IOException("Buffer too small to contain the message: $dataLength > ${buffer.capacity() - buffer.position()}")
buffer.mark()
buffer.position(buffer.limit()) // restore old position
buffer.limit(end)
readBytes(buffer.limit())
buffer.reset()
}
private fun ByteBuffer.tryPosition(newPosition: Int) {
if (limit() < newPosition) throw EOFException("${limit()} < $newPosition")
position(newPosition)
}
fun udpWrap(packet: ByteBuffer) =
ByteBuffer.allocateDirect(3 + dest.size + packet.remaining()).apply {
// header
putShort(0) // reserved
put(0) // fragment number
put(dest)
// data
put(packet)
flip()
}
fun udpReceiveBuffer(size: Int) = ByteBuffer.allocateDirect(headerReserved + size)
fun udpUnwrap(packet: ByteBuffer) {
packet.tryPosition(3)
packet.tryPosition(6 + when (val type = packet.get()) {
Socks5Message.SOCKS_ATYP_IPV4.toByte() -> 4
Socks5Message.SOCKS_ATYP_DOMAINNAME.toByte() -> 1 + packet.get()
Socks5Message.SOCKS_ATYP_IPV6.toByte() -> 16
else -> throw IOException("Unsupported address type $type")
})
packet.mark()
}
}

85
client/android/src/com/github/shadowsocks/net/Subnet.kt Normal file
View file

@ -0,0 +1,85 @@
/*******************************************************************************
* *
* Copyright (C) 2017 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2017 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.net
import com.github.shadowsocks.utils.parseNumericAddress
import java.net.InetAddress
import java.util.*
class Subnet(val address: InetAddress, val prefixSize: Int) : Comparable<Subnet> {
companion object {
fun fromString(value: String): Subnet? {
@Suppress("PLATFORM_CLASS_MAPPED_TO_KOTLIN")
val parts = (value as java.lang.String).split("/", 2)
val addr = parts[0].parseNumericAddress() ?: return null
return if (parts.size == 2) try {
val prefixSize = parts[1].toInt()
if (prefixSize < 0 || prefixSize > addr.address.size shl 3) null else Subnet(addr, prefixSize)
} catch (_: NumberFormatException) {
null
} else Subnet(addr, addr.address.size shl 3)
}
}
private val addressLength get() = address.address.size shl 3
init {
require(prefixSize in 0..addressLength) { "prefixSize $prefixSize not in 0..$addressLength" }
}
fun matches(other: InetAddress): Boolean {
if (address.javaClass != other.javaClass) return false
// TODO optimize?
val a = address.address
val b = other.address
var i = 0
while (i * 8 < prefixSize && i * 8 + 8 <= prefixSize) {
if (a[i] != b[i]) return false
++i
}
if (i * 8 == prefixSize) return true
val mask = 256 - (1 shl (i * 8 + 8 - prefixSize))
return (a[i].toInt() and mask) == (b[i].toInt() and mask)
}
override fun toString(): String =
if (prefixSize == addressLength) address.hostAddress else address.hostAddress + '/' + prefixSize
private fun Byte.unsigned() = toInt() and 0xFF
override fun compareTo(other: Subnet): Int {
val addrThis = address.address
val addrThat = other.address.address
var result = addrThis.size.compareTo(addrThat.size) // IPv4 address goes first
if (result != 0) return result
for ((x, y) in addrThis zip addrThat) {
result = x.unsigned().compareTo(y.unsigned()) // undo sign extension of signed byte
if (result != 0) return result
}
return prefixSize.compareTo(other.prefixSize)
}
override fun equals(other: Any?): Boolean {
val that = other as? Subnet
return address == that?.address && prefixSize == that.prefixSize
}
override fun hashCode(): Int = Objects.hash(address, prefixSize)
}

68
client/android/src/com/github/shadowsocks/net/TcpFastOpen.kt Normal file
View file

@ -0,0 +1,68 @@
/*******************************************************************************
* *
* Copyright (C) 2017 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2017 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.net
import com.github.shadowsocks.utils.readableMessage
import kotlinx.coroutines.runBlocking
import kotlinx.coroutines.withTimeoutOrNull
import java.io.File
import java.io.IOException
object TcpFastOpen {
private const val PATH = "/proc/sys/net/ipv4/tcp_fastopen"
/**
* Is kernel version >= 3.7.1.
*/
val supported by lazy {
if (File(PATH).canRead()) return@lazy true
val match =
"""^(\d+)\.(\d+)\.(\d+)""".toRegex().find(System.getProperty("os.version") ?: "")
if (match == null) false else when (match.groupValues[1].toInt()) {
in Int.MIN_VALUE..2 -> false
3 -> when (match.groupValues[2].toInt()) {
in Int.MIN_VALUE..6 -> false
7 -> match.groupValues[3].toInt() >= 1
else -> true
}
else -> true
}
}
val sendEnabled: Boolean
get() {
val file = File(PATH)
// File.readText doesn't work since this special file will return length 0
// on Android containers like Chrome OS, this file does not exist so we simply judge by the kernel version
return if (file.canRead()) file.bufferedReader().use { it.readText() }.trim().toInt() and 1 > 0 else supported
}
fun enable(): String? {
return try {
ProcessBuilder("su", "-c", "echo 3 > $PATH").redirectErrorStream(true).start()
.inputStream.bufferedReader().readText()
} catch (e: IOException) {
e.readableMessage
}
}
fun enableTimeout() = runBlocking { withTimeoutOrNull(1000) { enable() } }
}

90
client/android/src/com/github/shadowsocks/preference/DataStore.kt Normal file
View file

@ -0,0 +1,90 @@
/*******************************************************************************
* *
* Copyright (C) 2017 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2017 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.preference
import android.os.Binder
import androidx.preference.PreferenceDataStore
import com.github.shadowsocks.Core
import com.github.shadowsocks.database.PrivateDatabase
import com.github.shadowsocks.database.PublicDatabase
import com.github.shadowsocks.net.TcpFastOpen
import com.github.shadowsocks.utils.DirectBoot
import com.github.shadowsocks.utils.Key
import com.github.shadowsocks.utils.parsePort
import java.net.InetSocketAddress
object DataStore : OnPreferenceDataStoreChangeListener {
val publicStore = RoomPreferenceDataStore(PublicDatabase.kvPairDao)
// privateStore will only be used as temp storage for ProfileConfigFragment
val privateStore = RoomPreferenceDataStore(PrivateDatabase.kvPairDao)
init {
publicStore.registerChangeListener(this)
}
override fun onPreferenceDataStoreChanged(store: PreferenceDataStore, key: String) {
when (key) {
Key.id -> if (directBootAware) DirectBoot.update()
}
}
// hopefully hashCode = mHandle doesn't change, currently this is true from KitKat to Nougat
private val userIndex by lazy { Binder.getCallingUserHandle().hashCode() }
private fun getLocalPort(key: String, default: Int): Int {
val value = publicStore.getInt(key)
return if (value != null) {
publicStore.putString(key, value.toString())
value
} else parsePort(publicStore.getString(key), default + userIndex)
}
var profileId: Long
get() = publicStore.getLong(Key.id) ?: 0
set(value) = publicStore.putLong(Key.id, value)
val canToggleLocked: Boolean get() = publicStore.getBoolean(Key.directBootAware) == true
val directBootAware: Boolean get() = Core.directBootSupported && canToggleLocked
val tcpFastOpen: Boolean get() = TcpFastOpen.sendEnabled && publicStore.getBoolean(Key.tfo, false)
val listenAddress get() = "127.0.0.1"
var portProxy: Int
get() = getLocalPort(Key.portProxy, 1080)
set(value) = publicStore.putString(Key.portProxy, value.toString())
val proxyAddress get() = InetSocketAddress("127.0.0.1", portProxy)
var portLocalDns: Int
get() = getLocalPort(Key.portLocalDns, 5450)
set(value) = publicStore.putString(Key.portLocalDns, value.toString())
/**
* Initialize settings that have complicated default values.
*/
fun initGlobal() {
if (publicStore.getBoolean(Key.tfo) == null) publicStore.putBoolean(Key.tfo, tcpFastOpen)
if (publicStore.getString(Key.portProxy) == null) portProxy = portProxy
if (publicStore.getString(Key.portLocalDns) == null) portLocalDns = portLocalDns
}
var editingId: Long?
get() = privateStore.getLong(Key.id)
set(value) = privateStore.putLong(Key.id, value)
var dirty: Boolean
get() = privateStore.getBoolean(Key.dirty) ?: false
set(value) = privateStore.putBoolean(Key.dirty, value)
}

46
client/android/src/com/github/shadowsocks/preference/EditTextPreferenceModifiers.kt Normal file
View file

@ -0,0 +1,46 @@
/*******************************************************************************
* *
* Copyright (C) 2019 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2019 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.preference
import android.graphics.Typeface
import android.text.InputFilter
import android.view.inputmethod.EditorInfo
import android.widget.EditText
import androidx.preference.EditTextPreference
object EditTextPreferenceModifiers {
object Monospace : EditTextPreference.OnBindEditTextListener {
override fun onBindEditText(editText: EditText) {
editText.typeface = Typeface.MONOSPACE
}
}
object Port : EditTextPreference.OnBindEditTextListener {
private val portLengthFilter = arrayOf(InputFilter.LengthFilter(5))
override fun onBindEditText(editText: EditText) {
editText.inputType = EditorInfo.TYPE_CLASS_NUMBER
editText.filters = portLengthFilter
editText.setSingleLine()
editText.setSelection(editText.text.length)
}
}
}

27
client/android/src/com/github/shadowsocks/preference/OnPreferenceDataStoreChangeListener.kt Normal file
View file

@ -0,0 +1,27 @@
/*******************************************************************************
* *
* Copyright (C) 2017 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2017 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.preference
import androidx.preference.PreferenceDataStore
interface OnPreferenceDataStoreChangeListener {
fun onPreferenceDataStoreChanged(store: PreferenceDataStore, key: String)
}

100
client/android/src/com/github/shadowsocks/preference/RoomPreferenceDataStore.kt Normal file
View file

@ -0,0 +1,100 @@
/*******************************************************************************
* *
* Copyright (C) 2017 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2017 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.preference
import androidx.preference.PreferenceDataStore
import com.github.shadowsocks.database.KeyValuePair
import java.util.*
@Suppress("MemberVisibilityCanBePrivate", "unused")
open class RoomPreferenceDataStore(private val kvPairDao: KeyValuePair.Dao) :
PreferenceDataStore() {
fun getBoolean(key: String) = kvPairDao[key]?.boolean
fun getFloat(key: String) = kvPairDao[key]?.float
fun getInt(key: String) = kvPairDao[key]?.long?.toInt()
fun getLong(key: String) = kvPairDao[key]?.long
fun getString(key: String) = kvPairDao[key]?.string
fun getStringSet(key: String) = kvPairDao[key]?.stringSet
override fun getBoolean(key: String, defValue: Boolean) = getBoolean(key) ?: defValue
override fun getFloat(key: String, defValue: Float) = getFloat(key) ?: defValue
override fun getInt(key: String, defValue: Int) = getInt(key) ?: defValue
override fun getLong(key: String, defValue: Long) = getLong(key) ?: defValue
override fun getString(key: String, defValue: String?) = getString(key) ?: defValue
override fun getStringSet(key: String, defValue: MutableSet<String>?) =
getStringSet(key) ?: defValue
fun putBoolean(key: String, value: Boolean?) =
if (value == null) remove(key) else putBoolean(key, value)
fun putFloat(key: String, value: Float?) =
if (value == null) remove(key) else putFloat(key, value)
fun putInt(key: String, value: Int?) =
if (value == null) remove(key) else putLong(key, value.toLong())
fun putLong(key: String, value: Long?) = if (value == null) remove(key) else putLong(key, value)
override fun putBoolean(key: String, value: Boolean) {
kvPairDao.put(KeyValuePair(key).put(value))
fireChangeListener(key)
}
override fun putFloat(key: String, value: Float) {
kvPairDao.put(KeyValuePair(key).put(value))
fireChangeListener(key)
}
override fun putInt(key: String, value: Int) {
kvPairDao.put(KeyValuePair(key).put(value.toLong()))
fireChangeListener(key)
}
override fun putLong(key: String, value: Long) {
kvPairDao.put(KeyValuePair(key).put(value))
fireChangeListener(key)
}
override fun putString(key: String, value: String?) = if (value == null) remove(key) else {
kvPairDao.put(KeyValuePair(key).put(value))
fireChangeListener(key)
}
override fun putStringSet(key: String, values: MutableSet<String>?) =
if (values == null) remove(key) else {
kvPairDao.put(KeyValuePair(key).put(values))
fireChangeListener(key)
}
fun remove(key: String) {
kvPairDao.delete(key)
fireChangeListener(key)
}
private val listeners = HashSet<OnPreferenceDataStoreChangeListener>()
private fun fireChangeListener(key: String) =
listeners.forEach { it.onPreferenceDataStoreChanged(this, key) }
fun registerChangeListener(listener: OnPreferenceDataStoreChangeListener) =
listeners.add(listener)
fun unregisterChangeListener(listener: OnPreferenceDataStoreChangeListener) =
listeners.remove(listener)
}

46
client/android/src/com/github/shadowsocks/utils/ArrayIterator.kt Normal file
View file

@ -0,0 +1,46 @@
/*******************************************************************************
* *
* Copyright (C) 2018 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2018 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.utils
import android.content.ClipData
import androidx.recyclerview.widget.SortedList
private sealed class ArrayIterator<out T> : Iterator<T> {
abstract val size: Int
abstract operator fun get(index: Int): T
private var count = 0
override fun hasNext() = count < size
override fun next(): T = if (hasNext()) this[count++] else throw NoSuchElementException()
}
private class ClipDataIterator(private val data: ClipData) : ArrayIterator<ClipData.Item>() {
override val size get() = data.itemCount
override fun get(index: Int) = data.getItemAt(index)
}
fun ClipData.asIterable() = Iterable { ClipDataIterator(this) }
private class SortedListIterator<out T>(private val list: SortedList<T>) : ArrayIterator<T>() {
override val size get() = list.size()
override fun get(index: Int) = list[index]
}
fun <T> SortedList<T>.asIterable() = Iterable { SortedListIterator(this) }

60
client/android/src/com/github/shadowsocks/utils/Constants.kt Normal file
View file

@ -0,0 +1,60 @@
/*******************************************************************************
* *
* Copyright (C) 2017 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2017 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.utils
object Key {
/**
* Public config that doesn't need to be kept secret.
*/
const val DB_PUBLIC = "config.db"
const val DB_PROFILE = "profile.db"
const val id = "profileId"
const val name = "profileName"
const val portProxy = "portProxy"
const val portLocalDns = "portLocalDns"
const val directBootAware = "directBootAware"
const val udpdns = "isUdpDns"
const val ipv6 = "isIpv6"
const val host = "proxy"
const val password = "sitekey"
const val method = "encMethod"
const val remotePort = "remotePortNum"
const val remoteDns = "remoteDns"
const val dirty = "profileDirty"
const val tfo = "tcp_fastopen"
const val hosts = "hosts"
const val assetUpdateTime = "assetUpdateTime"
}
object Action {
const val SERVICE = "com.github.shadowsocks.SERVICE"
const val CLOSE = "com.github.shadowsocks.CLOSE"
const val RELOAD = "com.github.shadowsocks.RELOAD"
const val EXTRA_PROFILE_ID = "com.github.shadowsocks.EXTRA_PROFILE_ID"
}

40
client/android/src/com/github/shadowsocks/utils/DeviceStorageApp.kt Normal file
View file

@ -0,0 +1,40 @@
/*******************************************************************************
* *
* Copyright (C) 2017 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2017 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.utils
import android.annotation.SuppressLint
import android.annotation.TargetApi
import android.app.Application
import android.content.Context
@SuppressLint("Registered")
@TargetApi(24)
class DeviceStorageApp(context: Context) : Application() {
init {
attachBaseContext(context.createDeviceProtectedStorageContext())
}
/**
* Thou shalt not get the REAL underlying application context which would no longer be operating under device
* protected storage.
*/
override fun getApplicationContext() = this
}

64
client/android/src/com/github/shadowsocks/utils/DirectBoot.kt Normal file
View file

@ -0,0 +1,64 @@
package com.github.shadowsocks.utils
import android.annotation.TargetApi
import android.content.BroadcastReceiver
import android.content.Context
import android.content.Intent
import android.content.IntentFilter
import com.github.shadowsocks.Core
import com.github.shadowsocks.Core.app
import com.github.shadowsocks.bg.BaseService
import com.github.shadowsocks.database.Profile
import com.github.shadowsocks.database.ProfileManager
import com.github.shadowsocks.preference.DataStore
import java.io.File
import java.io.IOException
import java.io.ObjectInputStream
import java.io.ObjectOutputStream
@TargetApi(24)
object DirectBoot : BroadcastReceiver() {
private val file = File(Core.deviceStorage.noBackupFilesDir, "directBootProfile")
private var registered = false
fun getDeviceProfile(): Pair<Profile, Profile?>? = try {
ObjectInputStream(file.inputStream()).use { it.readObject() as? Pair<Profile, Profile?> }
} catch (_: IOException) {
null
}
fun clean() {
file.delete()
File(Core.deviceStorage.noBackupFilesDir, BaseService.CONFIG_FILE).delete()
File(Core.deviceStorage.noBackupFilesDir, BaseService.CONFIG_FILE_UDP).delete()
}
/**
* app.currentProfile will call this.
*/
fun update(profile: Profile? = ProfileManager.getProfile(DataStore.profileId)) =
if (profile == null) clean()
else ObjectOutputStream(file.outputStream()).use {
it.writeObject(ProfileManager.expand(profile))
}
fun flushTrafficStats() {
getDeviceProfile()?.also { (profile, fallback) ->
if (profile.dirty) ProfileManager.updateProfile(profile)
if (fallback?.dirty == true) ProfileManager.updateProfile(fallback)
}
update()
}
fun listenForUnlock() {
if (registered) return
app.registerReceiver(this, IntentFilter(Intent.ACTION_BOOT_COMPLETED))
registered = true
}
override fun onReceive(context: Context, intent: Intent) {
flushTrafficStats()
app.unregisterReceiver(this)
registered = false
}
}

133
client/android/src/com/github/shadowsocks/utils/Utils.kt Normal file
View file

@ -0,0 +1,133 @@
/*******************************************************************************
* *
* Copyright (C) 2018 by Max Lv <max.c.lv@gmail.com> *
* Copyright (C) 2018 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
package com.github.shadowsocks.utils
import android.annotation.SuppressLint
import android.content.BroadcastReceiver
import android.content.ContentResolver
import android.content.Context
import android.content.Intent
import android.content.pm.PackageInfo
import android.content.res.Resources
import android.graphics.BitmapFactory
import android.graphics.ImageDecoder
import android.net.Uri
import android.os.Build
import android.system.Os
import android.system.OsConstants
import android.util.TypedValue
import androidx.annotation.AttrRes
import androidx.preference.Preference
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.GlobalScope
import kotlinx.coroutines.launch
import kotlinx.coroutines.suspendCancellableCoroutine
import java.net.HttpURLConnection
import java.net.InetAddress
import kotlin.coroutines.resume
import kotlin.coroutines.resumeWithException
fun <T> Iterable<T>.forEachTry(action: (T) -> Unit) {
var result: Exception? = null
for (element in this) try {
action(element)
} catch (e: Exception) {
if (result == null) result = e else result.addSuppressed(e)
}
if (result != null) {
result.printStackTrace()
throw result
}
}
val Throwable.readableMessage get() = localizedMessage ?: javaClass.name
private val parseNumericAddress by lazy @SuppressLint("DiscouragedPrivateApi") {
InetAddress::class.java.getDeclaredMethod("parseNumericAddress", String::class.java).apply {
isAccessible = true
}
}
/**
* A slightly more performant variant of parseNumericAddress.
*
* Bug in Android 9.0 and lower: https://issuetracker.google.com/issues/123456213
*/
fun String?.parseNumericAddress(): InetAddress? =
Os.inet_pton(OsConstants.AF_INET, this) ?: Os.inet_pton(OsConstants.AF_INET6, this)?.let {
if (Build.VERSION.SDK_INT >= 29) it else parseNumericAddress.invoke(null,
this) as InetAddress
}
fun <K, V> MutableMap<K, V>.computeIfAbsentCompat(key: K, value: () -> V) =
if (Build.VERSION.SDK_INT >= 24) computeIfAbsent(key) { value() } else this[key]
?: value().also { put(key, it) }
suspend fun <T> HttpURLConnection.useCancellable(block: suspend HttpURLConnection.() -> T): T {
return suspendCancellableCoroutine { cont ->
cont.invokeOnCancellation {
if (Build.VERSION.SDK_INT >= 26) disconnect() else GlobalScope.launch(Dispatchers.IO) { disconnect() }
}
GlobalScope.launch(Dispatchers.IO) {
try {
cont.resume(block())
} catch (e: Throwable) {
cont.resumeWithException(e)
}
}
}
}
fun parsePort(str: String?, default: Int, min: Int = 1025): Int {
val value = str?.toIntOrNull() ?: default
return if (value < min || value > 65535) default else value
}
fun broadcastReceiver(callback: (Context, Intent) -> Unit): BroadcastReceiver =
object : BroadcastReceiver() {
override fun onReceive(context: Context, intent: Intent) = callback(context, intent)
}
fun ContentResolver.openBitmap(uri: Uri) =
if (Build.VERSION.SDK_INT >= 28) ImageDecoder.decodeBitmap(ImageDecoder.createSource(this, uri))
else BitmapFactory.decodeStream(openInputStream(uri))
val PackageInfo.signaturesCompat
get() = if (Build.VERSION.SDK_INT >= 28) signingInfo.apkContentsSigners else @Suppress("DEPRECATION") signatures
/**
* Based on: https://stackoverflow.com/a/26348729/2245107
*/
fun Resources.Theme.resolveResourceId(@AttrRes resId: Int): Int {
val typedValue = TypedValue()
if (!resolveAttribute(resId, typedValue, true)) throw Resources.NotFoundException()
return typedValue.resourceId
}
val Intent.datas
get() = listOfNotNull(data) + (clipData?.asIterable()?.mapNotNull { it.uri } ?: emptyList())
fun printLog(t: Throwable) {
// Crashlytics.logException(t)
t.printStackTrace()
}
fun Preference.remove() = parent!!.removePreference(this)