Add settings

This commit is contained in:
Mygod
2018-01-03 22:58:45 +08:00
parent 3e7fae95cf
commit 826f601301
17 changed files with 313 additions and 75 deletions

View File

@@ -2,22 +2,26 @@ package be.mygod.vpnhotspot
import android.app.PendingIntent
import android.app.Service
import android.content.BroadcastReceiver
import android.content.Context
import android.content.Intent
import android.net.NetworkInfo
import android.net.wifi.p2p.*
import android.net.wifi.p2p.WifiP2pGroup
import android.net.wifi.p2p.WifiP2pInfo
import android.net.wifi.p2p.WifiP2pManager
import android.os.Binder
import android.os.Looper
import android.support.v4.app.NotificationCompat
import android.support.v4.content.ContextCompat
import android.support.v4.content.LocalBroadcastManager
import android.util.Log
import android.widget.Toast
import be.mygod.vpnhotspot.App.Companion.app
import java.net.InetAddress
class HotspotService : Service(), WifiP2pManager.ChannelListener {
companion object {
const val CHANNEL = "hotspot"
const val STATUS_CHANGED = "be.mygod.vpnhotspot.HotspotService.STATUS_CHANGED"
private const val TAG = "HotspotService"
}
@@ -27,7 +31,6 @@ class HotspotService : Service(), WifiP2pManager.ChannelListener {
inner class HotspotBinder : Binder() {
val service get() = this@HotspotService
val status get() = this@HotspotService.status
var data: MainActivity.Data? = null
fun shutdown() {
@@ -35,9 +38,9 @@ class HotspotService : Service(), WifiP2pManager.ChannelListener {
override fun onSuccess() = clean()
override fun onFailure(reason: Int) {
if (reason == WifiP2pManager.BUSY) clean() else { // assuming it's already gone
Toast.makeText(this@HotspotService, "Failed to remove P2P group (reason: $reason)",
Toast.makeText(this@HotspotService, "Failed to remove P2P group (${formatReason(reason)})",
Toast.LENGTH_SHORT).show()
binder.data?.onStatusChanged()
LocalBroadcastManager.getInstance(this@HotspotService).sendBroadcast(Intent(STATUS_CHANGED))
}
}
})
@@ -52,43 +55,41 @@ class HotspotService : Service(), WifiP2pManager.ChannelListener {
private set
private val binder = HotspotBinder()
private var receiverRegistered = false
private val receiver: BroadcastReceiver = object : BroadcastReceiver() {
override fun onReceive(context: Context, intent: Intent) {
when (intent.action) {
WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION ->
if (intent.getIntExtra(WifiP2pManager.EXTRA_WIFI_STATE, 0) ==
WifiP2pManager.WIFI_P2P_STATE_DISABLED) clean() // group may be enabled by other apps
WifiP2pManager.WIFI_P2P_CONNECTION_CHANGED_ACTION -> {
val info = intent.getParcelableExtra<WifiP2pInfo>(WifiP2pManager.EXTRA_WIFI_P2P_INFO)
val net = intent.getParcelableExtra<NetworkInfo>(WifiP2pManager.EXTRA_NETWORK_INFO)
val group = intent.getParcelableExtra<WifiP2pGroup>(WifiP2pManager.EXTRA_WIFI_P2P_GROUP)
hostAddress = info.groupOwnerAddress
val downstream = group.`interface`
if (net.isConnected && downstream != null && this@HotspotService.downstream == null) {
this@HotspotService.downstream = downstream
if (noisySu("echo 1 >/proc/sys/net/ipv4/ip_forward",
"ip route add default dev $upstream scope link table 62",
"ip route add $route dev $downstream scope link table 62",
"ip route add broadcast 255.255.255.255 dev $downstream scope link table 62",
"ip rule add from $route lookup 62",
"iptables -N vpnhotspot_fwd",
"iptables -A vpnhotspot_fwd -i $upstream -o $downstream -m state --state ESTABLISHED,RELATED -j ACCEPT",
"iptables -A vpnhotspot_fwd -i $downstream -o $upstream -j ACCEPT",
"iptables -I FORWARD -j vpnhotspot_fwd",
"iptables -t nat -A PREROUTING -i $downstream -p tcp --dport 53 -j DNAT --to-destination $dns",
"iptables -t nat -A PREROUTING -i $downstream -p udp --dport 53 -j DNAT --to-destination $dns")) {
doStart(group)
} else startFailure("Something went wrong, please check logcat.")
}
this@HotspotService.group = group
binder.data?.onGroupChanged()
showNotification(group)
Log.d(TAG, "${intent.action}: $info, $net, $group")
}
WifiP2pManager.WIFI_P2P_THIS_DEVICE_CHANGED_ACTION -> {
val info = intent.getParcelableExtra<WifiP2pInfo>(WifiP2pManager.EXTRA_WIFI_P2P_INFO)
Log.d(TAG, "${intent.action}: $info")
private val receiver = broadcastReceiver { _, intent ->
when (intent.action) {
WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION ->
if (intent.getIntExtra(WifiP2pManager.EXTRA_WIFI_STATE, 0) ==
WifiP2pManager.WIFI_P2P_STATE_DISABLED) clean() // group may be enabled by other apps
WifiP2pManager.WIFI_P2P_CONNECTION_CHANGED_ACTION -> {
val info = intent.getParcelableExtra<WifiP2pInfo>(WifiP2pManager.EXTRA_WIFI_P2P_INFO)
val net = intent.getParcelableExtra<NetworkInfo>(WifiP2pManager.EXTRA_NETWORK_INFO)
val group = intent.getParcelableExtra<WifiP2pGroup>(WifiP2pManager.EXTRA_WIFI_P2P_GROUP)
hostAddress = info.groupOwnerAddress
val downstream = group.`interface`
if (net.isConnected && downstream != null && this@HotspotService.downstream == null) {
this@HotspotService.downstream = downstream
if (noisySu("echo 1 >/proc/sys/net/ipv4/ip_forward",
"ip route add default dev $upstream scope link table 62",
"ip route add $route dev $downstream scope link table 62",
"ip route add broadcast 255.255.255.255 dev $downstream scope link table 62",
"ip rule add from $route lookup 62",
"iptables -N vpnhotspot_fwd",
"iptables -A vpnhotspot_fwd -i $upstream -o $downstream -m state --state ESTABLISHED,RELATED -j ACCEPT",
"iptables -A vpnhotspot_fwd -i $downstream -o $upstream -j ACCEPT",
"iptables -I FORWARD -j vpnhotspot_fwd",
"iptables -t nat -A PREROUTING -i $downstream -p tcp --dport 53 -j DNAT --to-destination $dns",
"iptables -t nat -A PREROUTING -i $downstream -p udp --dport 53 -j DNAT --to-destination $dns")) {
doStart(group)
} else startFailure("Something went wrong, please check logcat.")
}
this@HotspotService.group = group
binder.data?.onGroupChanged()
showNotification(group)
Log.d(TAG, "${intent.action}: $info, $net, $group")
}
WifiP2pManager.WIFI_P2P_THIS_DEVICE_CHANGED_ACTION -> {
val info = intent.getParcelableExtra<WifiP2pInfo>(WifiP2pManager.EXTRA_WIFI_P2P_INFO)
Log.d(TAG, "${intent.action}: $info")
}
}
}
@@ -96,16 +97,25 @@ class HotspotService : Service(), WifiP2pManager.ChannelListener {
// TODO: do something to these hardcoded strings
var downstream: String? = null
private set
private val upstream = "tun0"
private val route = "192.168.49.0/24"
private val dns = "8.8.8.8:53"
private val upstream get() = app.pref.getString("service.upstream", "tun0")
private val route get() = app.pref.getString("service.route", "192.168.49.0/24")
private val dns get() = app.pref.getString("service.dns", "8.8.8.8:53")
var status = Status.IDLE
private set(value) {
if (field == value) return
field = value
binder.data?.onStatusChanged()
LocalBroadcastManager.getInstance(this).sendBroadcast(Intent(STATUS_CHANGED))
}
private fun formatReason(reason: Int) = when (reason) {
WifiP2pManager.ERROR -> "ERROR"
WifiP2pManager.P2P_UNSUPPORTED -> "P2P_UNSUPPORTED"
WifiP2pManager.BUSY -> "BUSY"
WifiP2pManager.NO_SERVICE_REQUESTS -> "NO_SERVICE_REQUESTS"
else -> "unknown reason: $reason"
}
override fun onBind(intent: Intent) = binder
override fun onCreate() {
@@ -122,7 +132,7 @@ class HotspotService : Service(), WifiP2pManager.ChannelListener {
if (status != Status.IDLE) return START_NOT_STICKY
status = Status.STARTING
if (!receiverRegistered) {
registerReceiver(receiver, createIntentFilter(
registerReceiver(receiver, intentFilter(
WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION,
WifiP2pManager.WIFI_P2P_CONNECTION_CHANGED_ACTION,
WifiP2pManager.WIFI_P2P_THIS_DEVICE_CHANGED_ACTION))
@@ -137,8 +147,9 @@ class HotspotService : Service(), WifiP2pManager.ChannelListener {
p2pManager.removeGroup(channel, object : WifiP2pManager.ActionListener {
override fun onSuccess() = doStart()
override fun onFailure(reason: Int) {
Toast.makeText(this@HotspotService, "Failed to remove old P2P group (reason: $reason)",
Toast.LENGTH_SHORT).show()
Toast.makeText(this@HotspotService,
"Failed to remove old P2P group (${formatReason(reason)})", Toast.LENGTH_SHORT)
.show()
}
})
}
@@ -153,7 +164,7 @@ class HotspotService : Service(), WifiP2pManager.ChannelListener {
clean()
}
private fun doStart() = p2pManager.createGroup(channel, object : WifiP2pManager.ActionListener {
override fun onFailure(reason: Int) = startFailure("Failed to create P2P group (reason: $reason)")
override fun onFailure(reason: Int) = startFailure("Failed to create P2P group (${formatReason(reason)})")
override fun onSuccess() { } // wait for WIFI_P2P_CONNECTION_CHANGED_ACTION to fire
})
private fun doStart(group: WifiP2pGroup) {