brianhansonxyz/vpnhotspotmod
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Attempt to detect tether offload support dynamically on Android 8-

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Addresses #224.
This commit is contained in:
Mygod
2021-05-11 23:02:14 -04:00
parent eb70c225e5
commit 62b362276b
4 changed files with 9 additions and 6 deletions
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2
README.md
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@@ -277,7 +277,7 @@ Greylisted/blacklisted APIs or internal constants: (some constants are hardcoded
* [`Landroid/net/wifi/p2p/WifiP2pManager;->deletePersistentGroup(Landroid/net/wifi/p2p/WifiP2pManager$Channel;ILandroid/net/wifi/p2p/WifiP2pManager$ActionListener;)V,system-api,whitelist`](https://android.googlesource.com/platform/prebuilts/runtime/+/4601d91/appcompat/hiddenapi-flags.csv#158296)
* [`Landroid/net/wifi/p2p/WifiP2pManager;->requestPersistentGroupInfo(Landroid/net/wifi/p2p/WifiP2pManager$Channel;Landroid/net/wifi/p2p/WifiP2pManager$PersistentGroupInfoListener;)V,system-api,whitelist`](https://android.googlesource.com/platform/prebuilts/runtime/+/4601d91/appcompat/hiddenapi-flags.csv#158320)
* [`Landroid/net/wifi/p2p/WifiP2pManager;->setWifiP2pChannels(Landroid/net/wifi/p2p/WifiP2pManager$Channel;IILandroid/net/wifi/p2p/WifiP2pManager$ActionListener;)V,system-api,whitelist`](https://android.googlesource.com/platform/prebuilts/runtime/+/4601d91/appcompat/hiddenapi-flags.csv#158330)
* (since API 27) [`Landroid/provider/Settings$Global;->TETHER_OFFLOAD_DISABLED:Ljava/lang/String;,system-api,test-api,whitelist`](https://android.googlesource.com/platform/prebuilts/runtime/+/4601d91/appcompat/hiddenapi-flags.csv#183757)
* [`Landroid/provider/Settings$Global;->TETHER_OFFLOAD_DISABLED:Ljava/lang/String;,system-api,test-api,whitelist`](https://android.googlesource.com/platform/prebuilts/runtime/+/4601d91/appcompat/hiddenapi-flags.csv#183757)
</details>

2
mobile/src/main/java/be/mygod/vpnhotspot/SettingsPreferenceFragment.kt
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@@ -48,7 +48,7 @@ class SettingsPreferenceFragment : PreferenceFragmentCompat() {
SummaryFallbackProvider(findPreference(UpstreamMonitor.KEY)!!)
SummaryFallbackProvider(findPreference(FallbackUpstreamMonitor.KEY)!!)
findPreference<SwitchPreference>("system.enableTetherOffload")!!.apply {
if (Build.VERSION.SDK_INT >= 27) {
if (TetherOffloadManager.supported) {
isChecked = TetherOffloadManager.enabled
setOnPreferenceChangeListener { _, newValue ->
if (TetherOffloadManager.enabled != newValue) viewLifecycleOwner.lifecycleScope.launchWhenCreated {

3
mobile/src/main/java/be/mygod/vpnhotspot/manage/ManageBar.kt
View File

@@ -2,7 +2,6 @@ package be.mygod.vpnhotspot.manage
import android.content.Context
import android.content.Intent
import android.os.Build
import android.view.View
import androidx.databinding.BaseObservable
import androidx.recyclerview.widget.RecyclerView
@@ -17,7 +16,7 @@ object ManageBar : Manager() {
private const val SETTINGS_2 = "com.android.settings.TetherSettings"
object Data : BaseObservable() {
val offloadEnabled get() = Build.VERSION.SDK_INT >= 27 && TetherOffloadManager.enabled
val offloadEnabled get() = TetherOffloadManager.supported && TetherOffloadManager.enabled
}
class ViewHolder(binding: ListitemManageBinding) : RecyclerView.ViewHolder(binding.root), View.OnClickListener {
init {

8
mobile/src/main/java/be/mygod/vpnhotspot/net/TetherOffloadManager.kt
View File

@@ -1,9 +1,10 @@
package be.mygod.vpnhotspot.net
import android.os.Build
import android.provider.Settings
import androidx.annotation.RequiresApi
import be.mygod.vpnhotspot.App.Companion.app
import be.mygod.vpnhotspot.root.SettingsGlobalPut
import timber.log.Timber
/**
* It's hard to change tethering rules with Tethering hardware acceleration enabled for now.
@@ -13,8 +14,11 @@ import be.mygod.vpnhotspot.root.SettingsGlobalPut
* https://android.googlesource.com/platform/frameworks/base/+/android-8.1.0_r1/services/core/java/com/android/server/connectivity/tethering/OffloadHardwareInterface.java#45
* https://android.googlesource.com/platform/hardware/qcom/data/ipacfg-mgr/+/master/msm8998/ipacm/src/IPACM_OffloadManager.cpp
*/
@RequiresApi(27)
object TetherOffloadManager {
val supported by lazy {
Build.VERSION.SDK_INT >= 27 || Settings.Global::class.java.getDeclaredField("TETHER_OFFLOAD_DISABLED")
.get(null).also { if (it != TETHER_OFFLOAD_DISABLED) Timber.w(Exception("Unknown field $it")) } != null
}
private const val TETHER_OFFLOAD_DISABLED = "tether_offload_disabled"
val enabled get() = Settings.Global.getInt(app.contentResolver, TETHER_OFFLOAD_DISABLED, 0) == 0
suspend fun setEnabled(value: Boolean) = SettingsGlobalPut.int(TETHER_OFFLOAD_DISABLED, if (value) 0 else 1)