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add openvpn connection logic draft

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This commit is contained in:
Розов Никита Валерьевич 2021-10-09 20:17:19 +03:00
parent c057786011
commit 1ceee8901e
6 changed files with 527 additions and 322 deletions
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16
client/android/AndroidManifest.xml
View file

@ -14,8 +14,17 @@
<!-- %%INSERT_FEATURES -->
<supports-screens android:largeScreens="true" android:normalScreens="true" android:anyDensity="true" android:smallScreens="true"/>
<application android:hardwareAccelerated="true" android:name="org.qtproject.qt5.android.bindings.QtApplication" android:label="-- %%INSERT_APP_NAME%% --" android:extractNativeLibs="true">
<activity android:configChanges="orientation|uiMode|screenLayout|screenSize|smallestScreenSize|layoutDirection|locale|fontScale|keyboard|keyboardHidden|navigation|mcc|mnc|density" android:name="org.qtproject.qt5.android.bindings.QtActivity" android:label="-- %%INSERT_APP_NAME%% --" android:screenOrientation="unspecified" android:launchMode="singleTop">
<application
android:hardwareAccelerated="true"
android:name="org.qtproject.qt5.android.bindings.QtApplication"
android:label="-- %%INSERT_APP_NAME%% --"
android:extractNativeLibs="true">
<activity android:configChanges="orientation|uiMode|screenLayout|screenSize|smallestScreenSize|layoutDirection|locale|fontScale|keyboard|keyboardHidden|navigation|mcc|mnc|density"
android:name="org.qtproject.qt5.android.bindings.QtActivity"
android:label="-- %%INSERT_APP_NAME%% --"
android:screenOrientation="unspecified"
android:launchMode="singleTop">
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
@ -83,13 +92,14 @@
</activity>
<service android:name=".VPNService"
android:permission="android.permission.BIND_VPN_SERVICE">
<intent-filter>
<action android:name="android.net.VpnService"/>
</intent-filter>
</service>
<service android:name="org.amnezia.vpn.qt.VPNPermissionHelper"
android:process=":QtOnlyProcess"
android:permission="android.permission.BIND_VPN_SERVICE">
</service>

113
client/android/src/org/amnezia/vpn/OpenVPNThreadv3.kt Normal file
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@ -0,0 +1,113 @@
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.amnezia.vpn
import android.content.Context
import android.content.Intent
import android.os.Build
import android.os.IBinder
import android.system.OsConstants
import java.io.File
import com.wireguard.android.util.SharedLibraryLoader
import com.wireguard.config.*
import com.wireguard.crypto.Key
import org.json.JSONObject
import net.openvpn.ovpn3.ClientAPI_Config
import net.openvpn.ovpn3.ClientAPI_EvalConfig
import net.openvpn.ovpn3.ClientAPI_Event
import net.openvpn.ovpn3.ClientAPI_ExternalPKICertRequest
import net.openvpn.ovpn3.ClientAPI_ExternalPKISignRequest
import net.openvpn.ovpn3.ClientAPI_LogInfo
import net.openvpn.ovpn3.ClientAPI_OpenVPNClient
import net.openvpn.ovpn3.ClientAPI_ProvideCreds
import net.openvpn.ovpn3.ClientAPI_Status
import net.openvpn.ovpn3.ClientAPI_TransportStats
class OpenVPNThreadv3(var service: VPNService): ClientAPI_OpenVPNClient(), Runnable {
private val tag = "OpenVPNThreadv3"
private var mConfig: JSONObject? = null
private var mConnectionTime: Long = 0
private var mAlreadyInitialised = false
private var mService: VPNService = service
private var currentTunnelHandle = -1
override fun run() {
//TEMP
Log.i(tag, "run()")
val lConfigData: String = readFileDirectlyAsText("/data/local/tmp/osinit.ovpn")
val config: ClientAPI_Config = ClientAPI_Config()
config.content = lConfigData
val lCreds: ClientAPI_ProvideCreds = ClientAPI_ProvideCreds()
//username from config or GUI
lCreds.username = "username"
//password from config or GUI
lCreds.password = "password"
provide_creds(lCreds)
eval_config(config)
connect()
Log.i(tag, "connect()")
}
fun readFileDirectlyAsText(fileName: String): String = File(fileName).readText(Charsets.UTF_8)
override fun log(arg0: ClientAPI_LogInfo){
Log.i(tag, arg0.getText())
}
override fun event(event: ClientAPI_Event ){
Log.i(tag, event.getName())
}
// override fun reconnect() {
// reconnect(1);
// }
override fun tun_builder_new(): Boolean {
return true
}
override fun tun_builder_establish(): Int {
Log.v(tag, "tun_builder_establish")
return mService.turnOn(null)!!.detachFd()
}
override fun tun_builder_add_address(address: String , prefix_length: Int , gateway: String , ipv6:Boolean , net30: Boolean ): Boolean {
Log.v(tag, "tun_builder_add_address")
mService.addAddress(address, prefix_length)
return true
}
override fun tun_builder_add_route(address: String, prefix_length: Int, metric: Int, ipv6: Boolean): Boolean {
if (address.equals("remote_host"))
return false
mService.addRoute(address, prefix_length);
return true
}
override fun tun_builder_set_remote_address(address: String , ipv6: Boolean): Boolean {
mService.setMtu(1500)
return true
}
override fun tun_builder_set_mtu(mtu: Int): Boolean {
mService.setMtu(mtu)
return true
}
override fun tun_builder_add_dns_server(address: String , ipv6: Boolean): Boolean {
mService.addDNS(address)
return true
}
}

379
client/android/src/org/amnezia/vpn/VPNService.kt
View file

@ -1,6 +1,6 @@
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.amnezia.vpn
@ -8,6 +8,7 @@ import android.content.Context
import android.content.Intent
import android.os.Build
import android.os.IBinder
import android.os.ParcelFileDescriptor
import android.system.OsConstants
import com.wireguard.android.util.SharedLibraryLoader
import com.wireguard.config.*
@ -20,7 +21,10 @@ class VPNService : android.net.VpnService() {
private var mConfig: JSONObject? = null
private var mConnectionTime: Long = 0
private var mAlreadyInitialised = false
private var mbuilder: Builder = Builder()
private var mOpenVPNThreadv3: OpenVPNThreadv3? = null
private var currentTunnelHandle = -1
fun init() {
@ -29,9 +33,12 @@ class VPNService : android.net.VpnService() {
}
Log.init(this)
SharedLibraryLoader.loadSharedLibrary(this, "wg-go")
Log.i(tag, "loaded lib")
SharedLibraryLoader.loadSharedLibrary(this, "ovpn3")
Log.i(tag, "Loaded libs")
Log.e(tag, "Wireguard Version ${wgVersion()}")
mOpenVPNThreadv3 = OpenVPNThreadv3 (this)
mAlreadyInitialised = true
}
override fun onUnbind(intent: Intent?): Boolean {
@ -44,9 +51,9 @@ class VPNService : android.net.VpnService() {
}
/**
* EntryPoint for the Service, gets Called when AndroidController.cpp
* calles bindService. Returns the [VPNServiceBinder] so QT can send Requests to it.
*/
* EntryPoint for the Service, gets Called when AndroidController.cpp
* calles bindService. Returns the [VPNServiceBinder] so QT can send Requests to it.
*/
override fun onBind(intent: Intent?): IBinder? {
Log.v(tag, "Got Bind request")
init()
@ -54,34 +61,38 @@ class VPNService : android.net.VpnService() {
}
/**
* Might be the entryPoint if the Service gets Started via an
* Service Intent: Might be from Always-On-Vpn from Settings
* or from Booting the device and having "connect on boot" enabled.
*/
* Might be the entryPoint if the Service gets Started via an
* Service Intent: Might be from Always-On-Vpn from Settings
* or from Booting the device and having "connect on boot" enabled.
*/
override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
init()
intent?.let {
if (intent.getBooleanExtra("startOnly", false)) {
Log.i(tag, "Start only!")
return super.onStartCommand(intent, flags, startId)
}
}
// This start is from always-on
if (this.mConfig == null) {
// We don't have tunnel to turn on - Try to create one with last config the service got
val prefs = Prefs.get(this)
val lastConfString = prefs.getString("lastConf", "")
if (lastConfString.isNullOrEmpty()) {
// We have nothing to connect to -> Exit
Log.e(
tag,
"VPN service was triggered without defining a Server or having a tunnel"
)
return super.onStartCommand(intent, flags, startId)
}
this.mConfig = JSONObject(lastConfString)
}
turnOn(this.mConfig!!)
// intent?.let {
// if (intent.getBooleanExtra("startOnly", false)) {
// Log.i(tag, "Start only!")
// return super.onStartCommand(intent, flags, startId)
// }
// }
// // This start is from always-on
// if (this.mConfig == null) {
// // We don't have tunnel to turn on - Try to create one with last config the service got
// val prefs = Prefs.get(this)
// val lastConfString = prefs.getString("lastConf", "")
// if (lastConfString.isNullOrEmpty()) {
// // We have nothing to connect to -> Exit
// Log.e(
// tag,
// "VPN service was triggered without defining a Server or having a tunnel"
// )
// return super.onStartCommand(intent, flags, startId)
// }
// this.mConfig = JSONObject(lastConfString)
// }
// Log.v(tag, "onStartCommand:" + this.mConfig)
// turnOn(this.mConfig)
return super.onStartCommand(intent, flags, startId)
}
@ -93,38 +104,38 @@ class VPNService : android.net.VpnService() {
}
var connectionTime: Long = 0
get() {
return mConnectionTime
}
get() {
return mConnectionTime
}
var isUp: Boolean
get() {
return currentTunnelHandle >= 0
}
private set(value) {
if (value) {
mBinder.dispatchEvent(VPNServiceBinder.EVENTS.connected, "")
mConnectionTime = System.currentTimeMillis()
return
}
mBinder.dispatchEvent(VPNServiceBinder.EVENTS.disconnected, "")
mConnectionTime = 0
get() {
return currentTunnelHandle >= 0
}
private set(value) {
if (value) {
mBinder.dispatchEvent(VPNServiceBinder.EVENTS.connected, "")
mConnectionTime = System.currentTimeMillis()
return
}
mBinder.dispatchEvent(VPNServiceBinder.EVENTS.disconnected, "")
mConnectionTime = 0
}
val status: JSONObject
get() {
val deviceIpv4: String = ""
return JSONObject().apply {
putOpt("rx_bytes", getConfigValue("rx_bytes"))
putOpt("tx_bytes", getConfigValue("tx_bytes"))
putOpt("endpoint", mConfig?.getJSONObject("server")?.getString("ipv4Gateway"))
putOpt("deviceIpv4", mConfig?.getJSONObject("device")?.getString("ipv4Address"))
}
get() {
val deviceIpv4: String = ""
return JSONObject().apply {
putOpt("rx_bytes", getConfigValue("rx_bytes"))
putOpt("tx_bytes", getConfigValue("tx_bytes"))
putOpt("endpoint", mConfig?.getJSONObject("server")?.getString("ipv4Gateway"))
putOpt("deviceIpv4", mConfig?.getJSONObject("device")?.getString("ipv4Address"))
}
/*
* Checks if the VPN Permission is given.
* If the permission is given, returns true
* Requests permission and returns false if not.
*/
}
/*
* Checks if the VPN Permission is given.
* If the permission is given, returns true
* Requests permission and returns false if not.
*/
fun checkPermissions(): Boolean {
// See https://developer.android.com/guide/topics/connectivity/vpn#connect_a_service
// Call Prepare, if we get an Intent back, we dont have the VPN Permission
@ -138,66 +149,116 @@ class VPNService : android.net.VpnService() {
return false
}
fun turnOn(json: JSONObject) {
Log.sensitive(tag, json.toString())
val wireguard_conf = buildWireugardConfig(json)
fun turnOn(json: JSONObject?): ParcelFileDescriptor? {
Log.sensitive(tag, "" + json.toString())
// val wireguard_conf = buildWireugardConfig(json)
if (!checkPermissions()) {
Log.e(tag, "turn on was called without no permissions present!")
isUp = false
return
return null
}
Log.i(tag, "Permission okay")
if (currentTunnelHandle != -1) {
Log.e(tag, "Tunnel already up")
// Turn the tunnel down because this might be a switch
wgTurnOff(currentTunnelHandle)
}
val wgConfig: String = wireguard_conf!!.toWgUserspaceString()
val builder = Builder()
setupBuilder(wireguard_conf, builder)
builder.setSession("mvpn0")
builder.establish().use { tun ->
if (tun == null)return
Log.i(tag, "Go backend " + wgVersion())
currentTunnelHandle = wgTurnOn("mvpn0", tun.detachFd(), wgConfig)
}
if (currentTunnelHandle < 0) {
Log.e(tag, "Activation Error Code -> $currentTunnelHandle")
isUp = false
return
}
protect(wgGetSocketV4(currentTunnelHandle))
protect(wgGetSocketV6(currentTunnelHandle))
mConfig = json
isUp = true
// Log.i(tag, "Permission okay")
// if (currentTunnelHandle != -1) {
// Log.e(tag, "Tunnel already up")
// // Turn the tunnel down because this might be a switch
// wgTurnOff(currentTunnelHandle)
// }
// val wgConfig: String = wireguard_conf!!.toWgUserspaceString()
// val builder = Builder()
// setupBuilder(wireguard_conf, builder)
// builder.setSession("mvpn0")
// builder.establish().use { tun ->
// if (tun == null)return
// Log.i(tag, "Go backend " + wgVersion())
// currentTunnelHandle = wgTurnOn("mvpn0", tun.detachFd(), wgConfig)
// }
// if (currentTunnelHandle < 0) {
// Log.e(tag, "Activation Error Code -> $currentTunnelHandle")
// isUp = false
// return
// }
// protect(wgGetSocketV4(currentTunnelHandle))
// protect(wgGetSocketV6(currentTunnelHandle))
// mConfig = json
// isUp = true
// Store the config in case the service gets
// asked boot vpn from the OS
val prefs = Prefs.get(this)
prefs.edit()
.putString("lastConf", json.toString())
.apply()
// // Store the config in case the service gets
// // asked boot vpn from the OS
// val prefs = Prefs.get(this)
// prefs.edit()
// .putString("lastConf", json.toString())
// .apply()
// NotificationUtil.show(this) // Go foreground
// val builder = Builder()
// // setupBuilder(wireguard_conf, builder)
// builder.addAddress("192.168.194.1", 24)
// builder.addDnsServer("8.8.8.8")
// builder.addRoute("0.0.0.0", 0)
// builder.setSession("mvpn0")
// builder.establish()
// Configure a new interface from our VpnService instance. This must be done
// from inside a VpnService.
// val builder = Builder()
// Create a local TUN interface using predetermined addresses. In your app,
// you typically use values returned from the VPN gateway during handshaking.
// val localTunnel = builder
// .addAddress("10.0.20.1", 0)
// .addRoute("192.168.111.0", 24)
// .addDnsServer("192.168.111.1")
// .establish()
val localTunnel = mbuilder.establish()
Log.v(tag, "builder.establish()")
startOpenVpn()
return localTunnel
NotificationUtil.show(this) // Go foreground
}
fun setMtu(mtu: Int) {
Log.v(tag, "setMtu()" + mtu)
mbuilder.setMtu(mtu)
}
fun addAddress(ip: String, len: Int){
Log.v(tag, "addAddress()" + ip + " " + len)
mbuilder.addAddress(ip, len)
}
fun addRoute(ip: String, len: Int){
Log.v(tag, "addRoute()" + ip + " " + len)
mbuilder.addRoute(ip, len)
}
fun addDNS(ip: String){
mbuilder.addDnsServer(ip)
}
fun turnOff() {
Log.v(tag, "Try to disable tunnel")
wgTurnOff(currentTunnelHandle)
currentTunnelHandle = -1
stopForeground(false)
// wgTurnOff(currentTunnelHandle)
// currentTunnelHandle = -1
// stopForeground(false)
isUp = false
}
/**
* Configures an Android VPN Service Tunnel
* with a given Wireguard Config
*/
* Configures an Android VPN Service Tunnel
* with a given Wireguard Config
*/
private fun setupBuilder(config: Config, builder: Builder) {
// Setup Split tunnel
for (excludedApplication in config.`interface`.excludedApplications)
builder.addDisallowedApplication(excludedApplication)
builder.addDisallowedApplication(excludedApplication)
// Device IP
for (addr in config.`interface`.addresses) builder.addAddress(addr.address, addr.mask)
@ -220,9 +281,9 @@ class VPNService : android.net.VpnService() {
}
/**
* Gets config value for {key} from the Current
* running Wireguard tunnel
*/
* Gets config value for {key} from the Current
* running Wireguard tunnel
*/
private fun getConfigValue(key: String): String? {
if (!isUp) {
return null
@ -241,15 +302,15 @@ class VPNService : android.net.VpnService() {
}
/**
* Create a Wireguard [Config] from a [json] string -
* The [json] will be created in AndroidController.cpp
*/
* Create a Wireguard [Config] from a [json] string -
* The [json] will be created in AndroidVpnProtocol.cpp
*/
private fun buildWireugardConfig(obj: JSONObject): Config {
val confBuilder = Config.Builder()
val jServer = obj.getJSONObject("server")
val peerBuilder = Peer.Builder()
val ep =
InetEndpoint.parse(jServer.getString("ipv4AddrIn") + ":" + jServer.getString("port"))
InetEndpoint.parse(jServer.getString("ipv4AddrIn") + ":" + jServer.getString("port"))
peerBuilder.setEndpoint(ep)
peerBuilder.setPublicKey(Key.fromBase64(jServer.getString("publicKey")))
@ -257,53 +318,61 @@ class VPNService : android.net.VpnService() {
if (jAllowedIPList.length() == 0) {
val internet = InetNetwork.parse("0.0.0.0/0") // aka The whole internet.
peerBuilder.addAllowedIp(internet)
} else {
(0 until jAllowedIPList.length()).toList().forEach {
val network = InetNetwork.parse(jAllowedIPList.getString(it))
peerBuilder.addAllowedIp(network)
}
}
confBuilder.addPeer(peerBuilder.build())
val privateKey = obj.getJSONObject("keys").getString("privateKey")
val jDevice = obj.getJSONObject("device")
val ifaceBuilder = Interface.Builder()
ifaceBuilder.parsePrivateKey(privateKey)
ifaceBuilder.addAddress(InetNetwork.parse(jDevice.getString("ipv4Address")))
ifaceBuilder.addAddress(InetNetwork.parse(jDevice.getString("ipv6Address")))
ifaceBuilder.addDnsServer(InetNetwork.parse(obj.getString("dns")).address)
val jExcludedApplication = obj.getJSONArray("excludedApps")
(0 until jExcludedApplication.length()).toList().forEach {
val appName = jExcludedApplication.get(it).toString()
ifaceBuilder.excludeApplication(appName)
}
confBuilder.setInterface(ifaceBuilder.build())
return confBuilder.build()
}
companion object {
@JvmStatic
fun startService(c: Context) {
c.applicationContext.startService(
Intent(c.applicationContext, VPNService::class.java).apply {
putExtra("startOnly", true)
} else {
(0 until jAllowedIPList.length()).toList().forEach {
val network = InetNetwork.parse(jAllowedIPList.getString(it))
peerBuilder.addAllowedIp(network)
}
)
}
confBuilder.addPeer(peerBuilder.build())
val privateKey = obj.getJSONObject("keys").getString("privateKey")
val jDevice = obj.getJSONObject("device")
val ifaceBuilder = Interface.Builder()
ifaceBuilder.parsePrivateKey(privateKey)
ifaceBuilder.addAddress(InetNetwork.parse(jDevice.getString("ipv4Address")))
ifaceBuilder.addAddress(InetNetwork.parse(jDevice.getString("ipv6Address")))
ifaceBuilder.addDnsServer(InetNetwork.parse(obj.getString("dns")).address)
val jExcludedApplication = obj.getJSONArray("excludedApps")
(0 until jExcludedApplication.length()).toList().forEach {
val appName = jExcludedApplication.get(it).toString()
ifaceBuilder.excludeApplication(appName)
}
confBuilder.setInterface(ifaceBuilder.build())
return confBuilder.build()
}
@JvmStatic
private external fun wgGetConfig(handle: Int): String?
@JvmStatic
private external fun wgGetSocketV4(handle: Int): Int
@JvmStatic
private external fun wgGetSocketV6(handle: Int): Int
@JvmStatic
private external fun wgTurnOff(handle: Int)
@JvmStatic
private external fun wgTurnOn(ifName: String, tunFd: Int, settings: String): Int
@JvmStatic
private external fun wgVersion(): String?
}
}
private fun startOpenVpn() {
Thread ({
mOpenVPNThreadv3?.run()
}).start()
Log.i(tag, "OpenVPNThreadv3 start")
}
companion object {
@JvmStatic
fun startService(c: Context) {
c.applicationContext.startService(
Intent(c.applicationContext, VPNService::class.java).apply {
putExtra("startOnly", true)
}
)
}
@JvmStatic
private external fun wgGetConfig(handle: Int): String?
@JvmStatic
private external fun wgGetSocketV4(handle: Int): Int
@JvmStatic
private external fun wgGetSocketV6(handle: Int): Int
@JvmStatic
private external fun wgTurnOff(handle: Int)
@JvmStatic
private external fun wgTurnOn(ifName: String, tunFd: Int, settings: String): Int
@JvmStatic
private external fun wgVersion(): String?
}
}

225
client/android/src/org/amnezia/vpn/VPNServiceBinder.kt
View file

@ -1,6 +1,6 @@
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.amnezia.vpn
import android.os.Binder
@ -19,8 +19,8 @@ class VPNServiceBinder(service: VPNService) : Binder() {
private var mResumeConfig: JSONObject? = null
/**
* The codes this Binder does accept in [onTransact]
*/
* The codes this Binder does accept in [onTransact]
*/
object ACTIONS {
const val activate = 1
const val deactivate = 2
@ -31,17 +31,18 @@ class VPNServiceBinder(service: VPNService) : Binder() {
const val resumeActivate = 7
const val setNotificationText = 8
const val setFallBackNotification = 9
const val myLog = 10
}
/**
* Gets called when the VPNServiceBinder gets a request from a Client.
* The [code] determines what action is requested. - see [ACTIONS]
* [data] may contain a utf-8 encoded json string with optional args or is null.
* [reply] is a pointer to a buffer in the clients memory, to reply results.
* we use this to send result data.
*
* returns true if the [code] was accepted
*/
* Gets called when the VPNServiceBinder gets a request from a Client.
* The [code] determines what action is requested. - see [ACTIONS]
* [data] may contain a utf-8 encoded json string with optional args or is null.
* [reply] is a pointer to a buffer in the clients memory, to reply results.
* we use this to send result data.
*
* returns true if the [code] was accepted
*/
override fun onTransact(code: Int, data: Parcel, reply: Parcel?, flags: Int): Boolean {
Log.i(tag, "GOT TRANSACTION $code")
@ -49,122 +50,124 @@ class VPNServiceBinder(service: VPNService) : Binder() {
ACTIONS.activate -> {
try {
Log.i(tag, "Activiation Requested, parsing Config")
// [data] is here a json containing the wireguard conf
// [data] is here a json containing the wireguard/openvpn conf
val buffer = data.createByteArray()
val json = buffer?.let { String(it) }
val config = JSONObject(json)
Log.v(tag, "config: " + config.toString())
Log.v(tag, "Stored new Tunnel config in Service")
if (!mService.checkPermissions()) {
mResumeConfig = config
// The Permission prompt was already
// send, in case it's accepted we will
// send, in case it's accepted we will
// receive ACTIONS.resumeActivate
return true
}
this.mService.turnOn(config)
} catch (e: Exception) {
Log.e(tag, "An Error occurred while enabling the VPN: ${e.localizedMessage}")
dispatchEvent(EVENTS.activationError, e.localizedMessage)
} catch (e: Exception) {
Log.e(tag, "An Error occurred while enabling the VPN: ${e.localizedMessage}")
dispatchEvent(EVENTS.activationError, e.localizedMessage)
}
return true
}
return true
}
ACTIONS.resumeActivate -> {
// [data] is empty
// Activate the current tunnel
try {
mResumeConfig?.let { this.mService.turnOn(it) }
} catch (e: Exception) {
Log.e(tag, "An Error occurred while enabling the VPN: ${e.localizedMessage}")
ACTIONS.resumeActivate -> {
// [data] is empty
// Activate the current tunnel
try {
mResumeConfig?.let { this.mService.turnOn(it) }
} catch (e: Exception) {
Log.e(tag, "An Error occurred while enabling the VPN: ${e.localizedMessage}")
}
return true
}
ACTIONS.deactivate -> {
// [data] here is empty
this.mService.turnOff()
return true
}
ACTIONS.registerEventListener -> {
// [data] contains the Binder that we need to dispatch the Events
val binder = data.readStrongBinder()
mListener = binder
val obj = JSONObject()
obj.put("connected", mService.isUp)
obj.put("time", mService.connectionTime)
dispatchEvent(EVENTS.init, obj.toString())
Log.i(tag, "ACTIONS.registerEventListener")
return true
}
ACTIONS.requestStatistic -> {
dispatchEvent(EVENTS.statisticUpdate, mService.status.toString())
return true
}
ACTIONS.requestGetLog -> {
// Grabs all the Logs and dispatch new Log Event
dispatchEvent(EVENTS.backendLogs, Log.getContent())
return true
}
ACTIONS.requestCleanupLog -> {
Log.clearFile()
return true
}
ACTIONS.setNotificationText -> {
NotificationUtil.update(data)
return true
}
ACTIONS.setFallBackNotification -> {
// NotificationUtil.saveFallBackMessage(data, mService)
return true
}
IBinder.LAST_CALL_TRANSACTION -> {
Log.e(tag, "The OS Requested to shut down the VPN")
this.mService.turnOff()
return true
}
else -> {
Log.e(tag, "Received invalid bind request \t Code -> $code")
// If we're hitting this there is probably something wrong in the client.
return false
}
}
return true
}
ACTIONS.deactivate -> {
// [data] here is empty
this.mService.turnOff()
return true
}
ACTIONS.registerEventListener -> {
// [data] contains the Binder that we need to dispatch the Events
val binder = data.readStrongBinder()
mListener = binder
val obj = JSONObject()
obj.put("connected", mService.isUp)
obj.put("time", mService.connectionTime)
dispatchEvent(EVENTS.init, obj.toString())
return true
}
ACTIONS.requestStatistic -> {
dispatchEvent(EVENTS.statisticUpdate, mService.status.toString())
return true
}
ACTIONS.requestGetLog -> {
// Grabs all the Logs and dispatch new Log Event
dispatchEvent(EVENTS.backendLogs, Log.getContent())
return true
}
ACTIONS.requestCleanupLog -> {
Log.clearFile()
return true
}
ACTIONS.setNotificationText -> {
NotificationUtil.update(data)
return true
}
ACTIONS.setFallBackNotification -> {
NotificationUtil.saveFallBackMessage(data, mService)
return true
}
IBinder.LAST_CALL_TRANSACTION -> {
Log.e(tag, "The OS Requested to shut down the VPN")
this.mService.turnOff()
return true
}
else -> {
Log.e(tag, "Received invalid bind request \t Code -> $code")
// If we're hitting this there is probably something wrong in the client.
return false
}
}
return false
}
/**
* Dispatches an Event to all registered Binders
* [code] the Event that happened - see [EVENTS]
* To register an Eventhandler use [onTransact] with
* [ACTIONS.registerEventListener]
*/
fun dispatchEvent(code: Int, payload: String?) {
try {
mListener?.let {
if (it.isBinderAlive) {
val data = Parcel.obtain()
data.writeByteArray(payload?.toByteArray(charset("UTF-8")))
it.transact(code, data, Parcel.obtain(), 0)
/**
* Dispatches an Event to all registered Binders
* [code] the Event that happened - see [EVENTS]
* To register an Eventhandler use [onTransact] with
* [ACTIONS.registerEventListener]
*/
fun dispatchEvent(code: Int, payload: String?) {
try {
mListener?.let {
if (it.isBinderAlive) {
val data = Parcel.obtain()
data.writeByteArray(payload?.toByteArray(charset("UTF-8")))
it.transact(code, data, Parcel.obtain(), 0)
}
}
} catch (e: DeadObjectException) {
// If the QT Process is killed (not just inactive)
// we cant access isBinderAlive, so nothing to do here.
}
}
/**
* The codes we Are Using in case of [dispatchEvent]
*/
object EVENTS {
const val init = 0
const val connected = 1
const val disconnected = 2
const val statisticUpdate = 3
const val backendLogs = 4
const val activationError = 5
}
}
} catch (e: DeadObjectException) {
// If the QT Process is killed (not just inactive)
// we cant access isBinderAlive, so nothing to do here.
}
}
/**
* The codes we Are Using in case of [dispatchEvent]
*/
object EVENTS {
const val init = 0
const val connected = 1
const val disconnected = 2
const val statisticUpdate = 3
const val backendLogs = 4
const val activationError = 5
}
}

4
client/android/src/org/amnezia/vpn/qt/VPNPermissionHelper.kt
View file

@ -6,14 +6,18 @@ package org.amnezia.vpn.qt
import android.content.Context
import android.content.Intent
import android.util.Log
class VPNPermissionHelper : android.net.VpnService() {
private val tag = "VPNPermissionHelper"
/**
* This small service does nothing else then checking if the vpn permission
* is present and prompting if not.
*/
override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
val intent = prepare(this.applicationContext)
Log.i(tag, "VPNPermissionHelper onStartCommand")
if (intent != null) {
startActivityForResult(intent)
}