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package org.pacien.tincapp.service
import android.app.Service
import android.content.Intent
import android.net.VpnService
import org.pacien.tincapp.BuildConfig
import org.pacien.tincapp.commands.Tinc
import org.pacien.tincapp.commands.Tincd
import org.pacien.tincapp.context.App
import org.pacien.tincapp.context.AppPaths
import org.pacien.tincapp.utils.applyIgnoringException
import java.io.IOException
/**
* @author pacien
*/
class TincVpnService : VpnService() {
private var netName: String? = null
override fun onStartCommand(intent: Intent, flags: Int, startId: Int): Int {
startVpn(intent.getStringExtra(INTENT_EXTRA_NET_NAME)!!)
return Service.START_STICKY
}
override fun onDestroy() = try {
Tinc.stop(netName!!)
} catch (e: IOException) {
e.printStackTrace()
} finally {
netName = null
}
private fun startVpn(netName: String) {
if (netName == this.netName) onDestroy()
this.netName = netName
val net = Builder().setSession(netName)
net.apply(VpnInterfaceConfiguration(AppPaths.netConfFile(netName)))
applyIgnoringException(net::addDisallowedApplication, BuildConfig.APPLICATION_ID)
try {
Tincd.start(netName, net.establish().detachFd())
} catch (e: IOException) {
e.printStackTrace()
}
}
companion object {
private val INTENT_EXTRA_NET_NAME = "netName"
fun startVpn(netName: String) {
App.getContext().startService(Intent(App.getContext(), TincVpnService::class.java)
.putExtra(TincVpnService.INTENT_EXTRA_NET_NAME, netName))
}
}
}
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