revert tun bump

.github/workflows/build.yml

@@ -72,7 +72,7 @@ jobs:
     outputs:
       UPLOAD_DIR_ANDROID: ${{ env.UPLOAD_DIR_ANDROID }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Set up JDK 17

.github/workflows/nightly.yml

@@ -16,7 +16,7 @@ jobs:
       has_new_commits: ${{ steps.check.outputs.new_commits }}
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v4
       - name: Check for new commits
         id: check
         env:
@@ -41,7 +41,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
 
       - name: Install system dependencies
         run: |
@@ -69,7 +69,7 @@ jobs:
         run: mkdir ${{ github.workspace }}/temp
 
       - name: Download artifacts
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
         with:
           pattern: android_artifacts_*
           path: ${{ github.workspace }}/temp

.github/workflows/pr.yml

@@ -10,7 +10,7 @@ jobs:
   format_check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
       - name: Set up JDK 17
         uses: actions/setup-java@v4
         with:

.github/workflows/publish.yml

@@ -72,7 +72,7 @@ jobs:
     name: publish-github
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
         with:
           ref: ${{ github.event_name == 'push' && github.ref || 'main' }}
       - name: Install system dependencies
@@ -108,7 +108,7 @@ jobs:
         run: mkdir ${{ github.workspace }}/temp
 
       - name: Download artifacts
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
         with:
           pattern: android_artifacts_*
           path: ${{ github.workspace }}/temp
@@ -189,7 +189,7 @@ jobs:
       KEY_STORE_LOCATION: ${{ github.workspace }}/app/keystore/
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
       - name: Set up JDK 17
         uses: actions/setup-java@v4
         with:

app/src/main/AndroidManifest.xml

@@ -47,10 +47,6 @@
             <action android:name="android.intent.action.MAIN" />
 			<category android:name="android.intent.category.LAUNCHER" />
         </intent>
-        <intent>
-            <action android:name="android.intent.action.MAIN" />
-            <category android:name="android.intent.category.LEANBACK_LAUNCHER" />
-        </intent>
     </queries>
     <application
         android:name=".WireGuardAutoTunnel"

app/src/main/java/com/zaneschepke/wireguardautotunnel/MainActivity.kt

@@ -301,7 +301,7 @@ class MainActivity : AppCompatActivity() {
                                         val args = backStack.toRoute<Route.Config>()
                                         val config =
                                             appUiState.tunnels.firstOrNull { it.id == args.id }
-                                        ConfigScreen(config, appUiState, viewModel)
+                                        ConfigScreen(config, viewModel)
                                     }
                                     composable<Route.TunnelOptions> { backStack ->
                                         val args = backStack.toRoute<Route.TunnelOptions>()

app/src/main/java/com/zaneschepke/wireguardautotunnel/WireGuardAutoTunnel.kt

@@ -13,7 +13,7 @@ import com.zaneschepke.wireguardautotunnel.core.worker.ServiceWorker
 import com.zaneschepke.wireguardautotunnel.di.ApplicationScope
 import com.zaneschepke.wireguardautotunnel.di.IoDispatcher
 import com.zaneschepke.wireguardautotunnel.di.MainDispatcher
-import com.zaneschepke.wireguardautotunnel.domain.enums.BackendStatus
+import com.zaneschepke.wireguardautotunnel.domain.enums.BackendState
 import com.zaneschepke.wireguardautotunnel.domain.repository.AppDataRepository
 import com.zaneschepke.wireguardautotunnel.util.LocaleUtil
 import com.zaneschepke.wireguardautotunnel.util.ReleaseTree
@@ -91,7 +91,7 @@ class WireGuardAutoTunnel : Application(), Configuration.Provider {
 
     override fun onTerminate() {
         applicationScope.cancel()
-        tunnelManager.setBackendStatus(BackendStatus.Inactive)
+        tunnelManager.setBackendState(BackendState.INACTIVE, emptyList())
         super.onTerminate()
     }
 

app/src/main/java/com/zaneschepke/wireguardautotunnel/core/service/autotunnel/AutoTunnelService.kt

@@ -16,7 +16,7 @@ import com.zaneschepke.wireguardautotunnel.core.service.ServiceManager
 import com.zaneschepke.wireguardautotunnel.core.tunnel.TunnelManager
 import com.zaneschepke.wireguardautotunnel.core.tunnel.TunnelMonitor
 import com.zaneschepke.wireguardautotunnel.di.IoDispatcher
-import com.zaneschepke.wireguardautotunnel.domain.enums.BackendStatus
+import com.zaneschepke.wireguardautotunnel.domain.enums.BackendState
 import com.zaneschepke.wireguardautotunnel.domain.enums.NotificationAction
 import com.zaneschepke.wireguardautotunnel.domain.enums.TunnelStatus.StopReason.Ping
 import com.zaneschepke.wireguardautotunnel.domain.events.AutoTunnelEvent
@@ -109,13 +109,13 @@ class AutoTunnelService : LifecycleService() {
         with(autoTunnelStateFlow.value) {
             if (
                 settings.isVpnKillSwitchEnabled &&
-                    tunnelManager.getBackendStatus() !is BackendStatus.KillSwitch
+                    tunnelManager.getBackendState() != BackendState.KILL_SWITCH_ACTIVE
             ) {
                 eventHandlerJob?.cancel()
                 val allowedIps =
                     if (settings.isLanOnKillSwitchEnabled) TunnelConf.LAN_BYPASS_ALLOWED_IPS
                     else emptyList()
-                tunnelManager.setBackendStatus(BackendStatus.KillSwitch(allowedIps))
+                tunnelManager.setBackendState(BackendState.KILL_SWITCH_ACTIVE, allowedIps)
             }
         }
     }
@@ -402,11 +402,11 @@ class AutoTunnelService : LifecycleService() {
                     handleBounceWithBackoff(event.configsPeerKeyResolvedMap)
                 is AutoTunnelEvent.StartKillSwitch -> {
                     Timber.d("Starting kill switch")
-                    tunnelManager.setBackendStatus(BackendStatus.KillSwitch(event.allowedIps))
+                    tunnelManager.setBackendState(BackendState.KILL_SWITCH_ACTIVE, event.allowedIps)
                 }
                 AutoTunnelEvent.StopKillSwitch -> {
                     Timber.d("Stopping kill switch")
-                    tunnelManager.setBackendStatus(BackendStatus.Active)
+                    tunnelManager.setBackendState(BackendState.SERVICE_ACTIVE, emptySet())
                 }
             }
         }

app/src/main/java/com/zaneschepke/wireguardautotunnel/core/tunnel/KernelTunnel.kt

@@ -5,7 +5,7 @@ import com.wireguard.android.backend.BackendException
 import com.wireguard.android.backend.Tunnel
 import com.zaneschepke.wireguardautotunnel.core.service.ServiceManager
 import com.zaneschepke.wireguardautotunnel.di.ApplicationScope
-import com.zaneschepke.wireguardautotunnel.domain.enums.BackendStatus
+import com.zaneschepke.wireguardautotunnel.domain.enums.BackendState
 import com.zaneschepke.wireguardautotunnel.domain.enums.TunnelStatus
 import com.zaneschepke.wireguardautotunnel.domain.events.BackendError
 import com.zaneschepke.wireguardautotunnel.domain.model.TunnelConf
@@ -59,12 +59,12 @@ constructor(
         }
     }
 
-    override fun setBackendStatus(backendStatus: BackendStatus) {
+    override fun setBackendState(backendState: BackendState, allowedIps: Collection<String>) {
         Timber.w("Not yet implemented for kernel")
     }
 
-    override fun getBackendStatus(): BackendStatus {
-        return BackendStatus.Inactive
+    override fun getBackendState(): BackendState {
+        return BackendState.INACTIVE
     }
 
     override suspend fun runningTunnelNames(): Set<String> {

app/src/main/java/com/zaneschepke/wireguardautotunnel/core/tunnel/TunnelManager.kt

@@ -1,6 +1,6 @@
 package com.zaneschepke.wireguardautotunnel.core.tunnel
 
-import com.zaneschepke.wireguardautotunnel.domain.enums.BackendStatus
+import com.zaneschepke.wireguardautotunnel.domain.enums.BackendState
 import com.zaneschepke.wireguardautotunnel.domain.enums.TunnelStatus
 import com.zaneschepke.wireguardautotunnel.domain.events.BackendError
 import com.zaneschepke.wireguardautotunnel.domain.events.BackendMessage
@@ -34,8 +34,7 @@ constructor(
         appDataRepository.settings.flow
             .filterNotNull()
             .flatMapLatest { settings ->
-                val backend = if (settings.isKernelEnabled) kernelTunnel else userspaceTunnel
-                MutableStateFlow(backend)
+                MutableStateFlow(if (settings.isKernelEnabled) kernelTunnel else userspaceTunnel)
             }
             .stateIn(
                 scope = applicationScope.plus(ioDispatcher),
@@ -90,12 +89,12 @@ constructor(
         tunnelProviderFlow.value.bounceTunnel(tunnelConf, reason)
     }
 
-    override fun setBackendStatus(backendStatus: BackendStatus) {
-        tunnelProviderFlow.value.setBackendStatus(backendStatus)
+    override fun setBackendState(backendState: BackendState, allowedIps: Collection<String>) {
+        tunnelProviderFlow.value.setBackendState(backendState, allowedIps)
     }
 
-    override fun getBackendStatus(): BackendStatus {
-        return tunnelProviderFlow.value.getBackendStatus()
+    override fun getBackendState(): BackendState {
+        return tunnelProviderFlow.value.getBackendState()
     }
 
     override suspend fun runningTunnelNames(): Set<String> {

app/src/main/java/com/zaneschepke/wireguardautotunnel/core/tunnel/TunnelProvider.kt

@@ -1,6 +1,6 @@
 package com.zaneschepke.wireguardautotunnel.core.tunnel
 
-import com.zaneschepke.wireguardautotunnel.domain.enums.BackendStatus
+import com.zaneschepke.wireguardautotunnel.domain.enums.BackendState
 import com.zaneschepke.wireguardautotunnel.domain.enums.TunnelStatus
 import com.zaneschepke.wireguardautotunnel.domain.events.BackendError
 import com.zaneschepke.wireguardautotunnel.domain.events.BackendMessage
@@ -41,9 +41,9 @@ interface TunnelProvider {
         reason: TunnelStatus.StopReason = TunnelStatus.StopReason.User,
     )
 
-    fun setBackendStatus(backendStatus: BackendStatus)
+    fun setBackendState(backendState: BackendState, allowedIps: Collection<String>)
 
-    fun getBackendStatus(): BackendStatus
+    fun getBackendState(): BackendState
 
     suspend fun runningTunnelNames(): Set<String>
 

app/src/main/java/com/zaneschepke/wireguardautotunnel/core/tunnel/UserspaceTunnel.kt

@@ -1,15 +1,15 @@
 package com.zaneschepke.wireguardautotunnel.core.tunnel
 
 import com.zaneschepke.wireguardautotunnel.core.service.ServiceManager
-import com.zaneschepke.wireguardautotunnel.domain.enums.BackendStatus
+import com.zaneschepke.wireguardautotunnel.domain.enums.BackendState
 import com.zaneschepke.wireguardautotunnel.domain.enums.TunnelStatus
 import com.zaneschepke.wireguardautotunnel.domain.events.BackendError
 import com.zaneschepke.wireguardautotunnel.domain.model.TunnelConf
 import com.zaneschepke.wireguardautotunnel.domain.repository.AppDataRepository
 import com.zaneschepke.wireguardautotunnel.domain.state.AmneziaStatistics
 import com.zaneschepke.wireguardautotunnel.domain.state.TunnelStatistics
-import com.zaneschepke.wireguardautotunnel.util.extensions.asAmBackendStatus
-import com.zaneschepke.wireguardautotunnel.util.extensions.asBackendStatus
+import com.zaneschepke.wireguardautotunnel.util.extensions.asAmBackendState
+import com.zaneschepke.wireguardautotunnel.util.extensions.asBackendState
 import com.zaneschepke.wireguardautotunnel.util.extensions.toBackendError
 import javax.inject.Inject
 import kotlin.jvm.optionals.getOrNull
@@ -17,6 +17,7 @@ import kotlinx.coroutines.CoroutineScope
 import org.amnezia.awg.backend.Backend
 import org.amnezia.awg.backend.BackendException
 import org.amnezia.awg.backend.Tunnel
+import org.amnezia.awg.config.Config
 import timber.log.Timber
 
 class UserspaceTunnel
@@ -28,21 +29,14 @@ constructor(
     private val backend: Backend,
 ) : BaseTunnel(applicationScope, appDataRepository, serviceManager) {
 
+    private var previousBackendState: Pair<BackendState, Boolean>? = null
+
     override suspend fun startBackend(tunnel: TunnelConf) {
         try {
             updateTunnelStatus(tunnel, TunnelStatus.Starting)
             val amConfig = tunnel.toAmConfig()
-            var previousKillSwitch: Backend.BackendStatus? = null
-            // prevent dns failures from bringing tuns up when vpn kill switch active
-            if (
-                amConfig.peers.any { it.endpoint.getOrNull()?.toString()?.isUrl() == true } &&
-                    backend.backendStatus is Backend.BackendStatus.KillSwitchActive
-            ) {
-                previousKillSwitch = backend.backendStatus
-                setBackendStatus(BackendStatus.Active)
-            }
+            handleVpnKillSwitchWithDomainEndpoints(amConfig)
             backend.setState(tunnel, Tunnel.State.UP, amConfig)
-            previousKillSwitch?.let { backend.backendStatus = it }
         } catch (e: BackendException) {
             Timber.e(e, "Failed to start up backend for tunnel ${tunnel.name}")
             throw e.toBackendError()
@@ -59,20 +53,47 @@ constructor(
         } catch (e: BackendException) {
             Timber.e(e, "Failed to stop tunnel ${tunnel.id}")
             throw e.toBackendError()
+        } finally {
+            handlePreviouslyEnabledVpnKillSwitch()
         }
     }
 
-    override fun setBackendStatus(backendStatus: BackendStatus) {
-        Timber.d("Setting backend state: $backendStatus")
+    // stop vpn kill switch if we need to resolve DNS for peer endpoints
+    private suspend fun handleVpnKillSwitchWithDomainEndpoints(config: Config) {
+        if (
+            config.peers.any { it.endpoint.getOrNull()?.toString()?.isUrl() == true } &&
+                backend.backendState.asBackendState() == BackendState.KILL_SWITCH_ACTIVE
+        ) {
+            val bypassLan = appDataRepository.settings.get().isLanOnKillSwitchEnabled
+            previousBackendState = Pair(BackendState.KILL_SWITCH_ACTIVE, bypassLan)
+            setBackendState(BackendState.SERVICE_ACTIVE, emptyList())
+        }
+    }
+
+    // restore vpn kill switch if needed
+    private fun handlePreviouslyEnabledVpnKillSwitch() {
+        // let auto tunnel handle this if it is active
+        if (serviceManager.autoTunnelService.value == null) {
+            previousBackendState?.let { (state, lanEnabled) ->
+                Timber.d("Restoring kill switch configuration")
+                val lan = if (lanEnabled) TunnelConf.LAN_BYPASS_ALLOWED_IPS else emptyList()
+                backend.setBackendState(state.asAmBackendState(), lan)
+            }
+        }
+        previousBackendState = null
+    }
+
+    override fun setBackendState(backendState: BackendState, allowedIps: Collection<String>) {
+        Timber.d("Setting backend state: $backendState with allowedIps: $allowedIps")
         try {
-            backend.backendStatus = backendStatus.asAmBackendStatus()
+            backend.setBackendState(backendState.asAmBackendState(), allowedIps)
         } catch (e: BackendException) {
             throw e.toBackendError()
         }
     }
 
-    override fun getBackendStatus(): BackendStatus {
-        return backend.backendStatus.asBackendStatus()
+    override fun getBackendState(): BackendState {
+        return backend.backendState.asBackendState()
     }
 
     override suspend fun runningTunnelNames(): Set<String> {

app/src/main/java/com/zaneschepke/wireguardautotunnel/domain/enums/BackendState.kt

@@ -1,9 +1,7 @@
 package com.zaneschepke.wireguardautotunnel.domain.enums
 
-sealed class BackendStatus {
-    data object Inactive : BackendStatus()
-
-    data object Active : BackendStatus()
-
-    data class KillSwitch(val allowedIps: List<String>) : BackendStatus()
+enum class BackendState {
+    KILL_SWITCH_ACTIVE,
+    SERVICE_ACTIVE,
+    INACTIVE,
 }

app/src/main/java/com/zaneschepke/wireguardautotunnel/domain/state/TunnelState.kt

@@ -1,12 +1,12 @@
 package com.zaneschepke.wireguardautotunnel.domain.state
 
-import com.zaneschepke.wireguardautotunnel.domain.enums.BackendStatus
+import com.zaneschepke.wireguardautotunnel.domain.enums.BackendState
 import com.zaneschepke.wireguardautotunnel.domain.enums.TunnelStatus
 import org.amnezia.awg.crypto.Key
 
 data class TunnelState(
     val status: TunnelStatus = TunnelStatus.Down,
-    val backendState: BackendStatus = BackendStatus.Inactive,
+    val backendState: BackendState = BackendState.INACTIVE,
     val statistics: TunnelStatistics? = null,
     val pingStates: Map<Key, PingState>? = null,
     val handshakeSuccessLogs: Boolean? = null,

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/screens/main/config/ConfigScreen.kt

@@ -7,7 +7,10 @@ import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
-import androidx.compose.runtime.*
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
@@ -22,7 +25,6 @@ import com.zaneschepke.wireguardautotunnel.ui.common.prompt.AuthorizationPrompt
 import com.zaneschepke.wireguardautotunnel.ui.screens.main.config.components.AddPeerButton
 import com.zaneschepke.wireguardautotunnel.ui.screens.main.config.components.InterfaceSection
 import com.zaneschepke.wireguardautotunnel.ui.screens.main.config.components.PeersSection
-import com.zaneschepke.wireguardautotunnel.ui.state.AppUiState
 import com.zaneschepke.wireguardautotunnel.util.StringValue
 import com.zaneschepke.wireguardautotunnel.viewmodel.AppViewModel
 import com.zaneschepke.wireguardautotunnel.viewmodel.event.AppEvent
@@ -30,7 +32,6 @@ import com.zaneschepke.wireguardautotunnel.viewmodel.event.AppEvent
 @Composable
 fun ConfigScreen(
     tunnelConf: TunnelConf?,
-    appUiState: AppUiState,
     appViewModel: AppViewModel,
     viewModel: ConfigViewModel = hiltViewModel(),
 ) {
@@ -41,17 +42,6 @@ fun ConfigScreen(
 
     val activity = context as? MainActivity
 
-    var save by remember { mutableStateOf(false) }
-
-    val isTunnelNameTaken by
-        remember(uiState.tunnelName, appUiState.tunnels) {
-            derivedStateOf {
-                appUiState.tunnels
-                    .filter { it.id != tunnelConf?.id }
-                    .any { it.name == uiState.tunnelName }
-            }
-        }
-
     // Secure screen due to sensitive information
     DisposableEffect(Unit) {
         activity
@@ -68,34 +58,26 @@ fun ConfigScreen(
         appViewModel.handleEvent(
             AppEvent.SetScreenAction {
                 keyboardController?.hide()
-                if (!isTunnelNameTaken) {
-                    save = true
-                }
+                viewModel.save(tunnelConf)
             }
         )
     }
 
     LaunchedEffect(tunnelConf) { viewModel.initFromTunnel(tunnelConf) }
 
-    // TODO improve error messages
-    LaunchedEffect(save) {
-        if (save) {
-            try {
-                appViewModel.handleEvent(
-                    AppEvent.SaveTunnelUniquely(
-                        uiState.configProxy.buildTunnelConfFromState(uiState.tunnelName, tunnelConf)
-                    )
-                )
-                appViewModel.handleEvent(
-                    AppEvent.ShowMessage(StringValue.StringResource(R.string.config_changes_saved))
-                )
-                appViewModel.handleEvent(AppEvent.PopBackStack(true))
-            } catch (e: Exception) {
-                val message = e.message ?: context.resources.getString(R.string.unknown_error)
-                appViewModel.handleEvent(AppEvent.ShowMessage(StringValue.DynamicString(message)))
-            } finally {
-                save = false
-            }
+    LaunchedEffect(uiState.success) {
+        if (uiState.success == true) {
+            appViewModel.handleEvent(
+                AppEvent.ShowMessage(StringValue.StringResource(R.string.config_changes_saved))
+            )
+            appViewModel.handleEvent(AppEvent.PopBackStack(true))
+        }
+    }
+
+    LaunchedEffect(uiState.message) {
+        uiState.message?.let { message ->
+            appViewModel.handleEvent(AppEvent.ShowMessage(message))
+            viewModel.setMessage(null)
         }
     }
 
@@ -129,7 +111,7 @@ fun ConfigScreen(
         modifier =
             Modifier.fillMaxSize().verticalScroll(rememberScrollState()).padding(horizontal = 24.dp),
     ) {
-        InterfaceSection(isTunnelNameTaken, uiState, viewModel)
+        InterfaceSection(uiState, viewModel)
         PeersSection(uiState, viewModel)
         AddPeerButton(viewModel)
     }

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/screens/main/config/ConfigViewModel.kt

@@ -1,20 +1,32 @@
 package com.zaneschepke.wireguardautotunnel.ui.screens.main.config
 
 import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.zaneschepke.wireguardautotunnel.R
+import com.zaneschepke.wireguardautotunnel.di.IoDispatcher
 import com.zaneschepke.wireguardautotunnel.domain.model.TunnelConf
+import com.zaneschepke.wireguardautotunnel.domain.repository.TunnelRepository
 import com.zaneschepke.wireguardautotunnel.ui.screens.main.config.state.ConfigUiState
 import com.zaneschepke.wireguardautotunnel.ui.state.ConfigProxy
 import com.zaneschepke.wireguardautotunnel.ui.state.InterfaceProxy
 import com.zaneschepke.wireguardautotunnel.ui.state.PeerProxy
+import com.zaneschepke.wireguardautotunnel.util.StringValue
 import dagger.hilt.android.lifecycle.HiltViewModel
 import javax.inject.Inject
+import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.launch
 
 @HiltViewModel
-class ConfigViewModel @Inject constructor() : ViewModel() {
+class ConfigViewModel
+@Inject
+constructor(
+    private val tunnelRepository: TunnelRepository,
+    @IoDispatcher private val ioDispatcher: CoroutineDispatcher,
+) : ViewModel() {
 
     private val _uiState = MutableStateFlow(ConfigUiState())
     val uiState: StateFlow<ConfigUiState> = _uiState.asStateFlow()
@@ -109,6 +121,41 @@ class ConfigViewModel @Inject constructor() : ViewModel() {
         updatePeer(index, updated)
     }
 
+    fun setMessage(message: StringValue?) {
+        _uiState.update { it.copy(message = message) }
+    }
+
+    // TODO improve error messaging
+    fun save(tunnelConf: TunnelConf?) =
+        viewModelScope.launch(ioDispatcher) {
+            val message =
+                try {
+                    val saveConfig = buildTunnelConfFromState(tunnelConf)
+                    tunnelRepository.save(saveConfig)
+                    _uiState.update { it.copy(success = true) }
+                } catch (e: Exception) {
+                    setMessage(
+                        e.message?.let { message -> (StringValue.DynamicString(message)) }
+                            ?: StringValue.StringResource(R.string.unknown_error)
+                    )
+                }
+        }
+
+    private fun buildTunnelConfFromState(tunnelConf: TunnelConf?): TunnelConf {
+        val (wg, am) = _uiState.value.configProxy.buildConfigs()
+        val name = _uiState.value.tunnelName
+        return tunnelConf?.copyWithCallback(
+            tunName = name,
+            amQuick = am.toAwgQuickString(true),
+            wgQuick = wg.toWgQuickString(true),
+        )
+            ?: TunnelConf(
+                tunName = name,
+                amQuick = am.toAwgQuickString(true),
+                wgQuick = wg.toWgQuickString(true),
+            )
+    }
+
     fun onAuthenticated() {
         _uiState.update { it.copy(isAuthenticated = true) }
     }

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/screens/main/config/components/InterfaceSection.kt

@@ -17,11 +17,7 @@ import com.zaneschepke.wireguardautotunnel.ui.screens.main.config.ConfigViewMode
 import com.zaneschepke.wireguardautotunnel.ui.screens.main.config.state.ConfigUiState
 
 @Composable
-fun InterfaceSection(
-    isTunnelNameTaken: Boolean,
-    uiState: ConfigUiState,
-    viewModel: ConfigViewModel,
-) {
+fun InterfaceSection(uiState: ConfigUiState, viewModel: ConfigViewModel) {
     var isDropDownExpanded by remember { mutableStateOf(false) }
     val isAmneziaCompatibilitySet =
         remember(uiState.configProxy.`interface`) {
@@ -54,7 +50,6 @@ fun InterfaceSection(
                 value = uiState.tunnelName,
                 onValueChange = viewModel::updateTunnelName,
                 label = stringResource(R.string.name),
-                isError = isTunnelNameTaken,
                 hint = stringResource(R.string.tunnel_name).lowercase(),
                 modifier = Modifier.fillMaxWidth(),
             )

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/screens/main/config/state/ConfigUiState.kt

@@ -3,6 +3,7 @@ package com.zaneschepke.wireguardautotunnel.ui.screens.main.config.state
 import com.zaneschepke.wireguardautotunnel.ui.state.ConfigProxy
 import com.zaneschepke.wireguardautotunnel.ui.state.InterfaceProxy
 import com.zaneschepke.wireguardautotunnel.ui.state.PeerProxy
+import com.zaneschepke.wireguardautotunnel.util.StringValue
 
 data class ConfigUiState(
     val tunnelName: String = "",
@@ -12,5 +13,6 @@ data class ConfigUiState(
     val showScripts: Boolean = false,
     val isAuthenticated: Boolean = true,
     val showAuthPrompt: Boolean = false,
-    val saveChanges: Boolean = false,
+    val message: StringValue? = null,
+    val success: Boolean? = null,
 )

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/state/ConfigProxy.kt

@@ -1,6 +1,5 @@
 package com.zaneschepke.wireguardautotunnel.ui.state
 
-import com.zaneschepke.wireguardautotunnel.domain.model.TunnelConf
 import org.amnezia.awg.config.Config
 
 data class ConfigProxy(val peers: List<PeerProxy>, val `interface`: InterfaceProxy) {
@@ -29,20 +28,6 @@ data class ConfigProxy(val peers: List<PeerProxy>, val `interface`: InterfacePro
         )
     }
 
-    fun buildTunnelConfFromState(name: String, tunnelConf: TunnelConf?): TunnelConf {
-        val (wg, am) = buildConfigs()
-        return tunnelConf?.copyWithCallback(
-            tunName = name,
-            amQuick = am.toAwgQuickString(true),
-            wgQuick = wg.toWgQuickString(true),
-        )
-            ?: TunnelConf(
-                tunName = name,
-                amQuick = am.toAwgQuickString(true),
-                wgQuick = wg.toWgQuickString(true),
-            )
-    }
-
     companion object {
         fun from(amConfig: Config): ConfigProxy {
             return ConfigProxy(

app/src/main/java/com/zaneschepke/wireguardautotunnel/util/extensions/ContextExtensions.kt

@@ -21,10 +21,10 @@ import com.zaneschepke.wireguardautotunnel.R
 import com.zaneschepke.wireguardautotunnel.core.service.tile.AutoTunnelControlTile
 import com.zaneschepke.wireguardautotunnel.core.service.tile.TunnelControlTile
 import com.zaneschepke.wireguardautotunnel.util.Constants
+import timber.log.Timber
 import java.io.File
 import java.io.InputStream
 import kotlin.system.exitProcess
-import timber.log.Timber
 
 fun Context.openWebUrl(url: String): Result<Unit> {
     return kotlin

app/src/main/java/com/zaneschepke/wireguardautotunnel/util/extensions/TunnelExtensions.kt

@@ -2,7 +2,7 @@ package com.zaneschepke.wireguardautotunnel.util.extensions
 
 import androidx.compose.ui.graphics.Color
 import com.wireguard.android.backend.BackendException
-import com.zaneschepke.wireguardautotunnel.domain.enums.BackendStatus
+import com.zaneschepke.wireguardautotunnel.domain.enums.BackendState
 import com.zaneschepke.wireguardautotunnel.domain.enums.HandshakeStatus
 import com.zaneschepke.wireguardautotunnel.domain.enums.TunnelStatus
 import com.zaneschepke.wireguardautotunnel.domain.events.BackendError
@@ -75,21 +75,12 @@ fun Config.defaultName(): String {
     }
 }
 
-fun Backend.BackendStatus.asBackendStatus(): BackendStatus {
-    return when (val status = this) {
-        is Backend.BackendStatus.KillSwitchActive ->
-            BackendStatus.KillSwitch(status.allowedIps.toList())
-        is Backend.BackendStatus.ServiceActive -> BackendStatus.Active
-        else -> BackendStatus.Inactive
-    }
+fun Backend.BackendState.asBackendState(): BackendState {
+    return BackendState.valueOf(this.name)
 }
 
-fun BackendStatus.asAmBackendStatus(): Backend.BackendStatus {
-    return when (val status = this) {
-        is BackendStatus.Active -> Backend.BackendStatus.ServiceActive.INSTANCE
-        is BackendStatus.Inactive -> Backend.BackendStatus.Inactive.INSTANCE
-        is BackendStatus.KillSwitch -> Backend.BackendStatus.KillSwitchActive(status.allowedIps)
-    }
+fun BackendState.asAmBackendState(): Backend.BackendState {
+    return Backend.BackendState.valueOf(this.name)
 }
 
 fun Tunnel.State.asTunnelState(): TunnelStatus {

app/src/main/java/com/zaneschepke/wireguardautotunnel/viewmodel/AppViewModel.kt

@@ -19,7 +19,7 @@ import com.zaneschepke.wireguardautotunnel.core.tunnel.TunnelManager
 import com.zaneschepke.wireguardautotunnel.di.AppShell
 import com.zaneschepke.wireguardautotunnel.di.IoDispatcher
 import com.zaneschepke.wireguardautotunnel.di.MainDispatcher
-import com.zaneschepke.wireguardautotunnel.domain.enums.BackendStatus
+import com.zaneschepke.wireguardautotunnel.domain.enums.BackendState
 import com.zaneschepke.wireguardautotunnel.domain.enums.ConfigType
 import com.zaneschepke.wireguardautotunnel.domain.events.BackendError
 import com.zaneschepke.wireguardautotunnel.domain.model.AppSettings
@@ -35,12 +35,6 @@ import com.zaneschepke.wireguardautotunnel.util.extensions.withFirstState
 import com.zaneschepke.wireguardautotunnel.viewmodel.event.AppEvent
 import com.zaneschepke.wireguardautotunnel.viewmodel.event.UiEvent
 import dagger.hilt.android.lifecycle.HiltViewModel
-import java.io.IOException
-import java.net.URL
-import java.time.Instant
-import java.util.*
-import javax.inject.Inject
-import javax.inject.Provider
 import kotlinx.coroutines.*
 import kotlinx.coroutines.channels.Channel
 import kotlinx.coroutines.flow.*
@@ -51,6 +45,12 @@ import org.amnezia.awg.config.Config
 import rikka.shizuku.Shizuku
 import timber.log.Timber
 import xyz.teamgravity.pin_lock_compose.PinManager
+import java.io.IOException
+import java.net.URL
+import java.time.Instant
+import java.util.*
+import javax.inject.Inject
+import javax.inject.Provider
 
 @HiltViewModel
 class AppViewModel
@@ -148,7 +148,8 @@ constructor(
                     is AppEvent.ImportTunnelFromClipboard ->
                         handleClipboardImport(event.text, state.tunnels)
 
-                    is AppEvent.ImportTunnelFromFile -> handleImportTunnelFromFile(event.data)
+                    is AppEvent.ImportTunnelFromFile ->
+                        handleImportTunnelFromFile(event.data, state.tunnels)
 
                     is AppEvent.ImportTunnelFromUrl ->
                         handleImportTunnelFromUrl(event.url, state.tunnels)
@@ -263,45 +264,11 @@ constructor(
                         saveSettings(
                             state.appSettings.copy(tunnelPingTimeoutSeconds = event.timeout)
                         )
-                    is AppEvent.SaveTunnelUniquely -> saveTunnelsUniquely(listOf(event.tunnel))
                 }
             }
         }
     }
 
-    private suspend fun saveTunnelsUniquely(tunnels: List<TunnelConf>) {
-        withContext(ioDispatcher) {
-            tunnelMutex.withLock {
-                val existingTunnels = appDataRepository.tunnels.getAll()
-                val uniqueTuns = generateUniquelyNamedConfigs(tunnels, existingTunnels)
-                appDataRepository.tunnels.saveAll(uniqueTuns)
-            }
-        }
-    }
-
-    private fun generateUniquelyNamedConfigs(
-        incoming: List<TunnelConf>,
-        existing: List<TunnelConf>,
-    ): List<TunnelConf> {
-        val usedNames = existing.map { it.tunName }.toMutableSet()
-        val result = mutableListOf<TunnelConf>()
-
-        for (tun in incoming) {
-            var uniqueName = tun.tunName
-            var counter = 1
-
-            while (uniqueName in usedNames) {
-                uniqueName = "${tun.tunName} ($counter)"
-                counter++
-            }
-
-            usedNames.add(uniqueName)
-            result.add(tun.copy(tunName = uniqueName))
-        }
-
-        return result
-    }
-
     fun handleUiEvent(event: UiEvent): Job =
         viewModelScope.launch(mainDispatcher) { _uiEvent.emit(event) }
 
@@ -452,7 +419,7 @@ constructor(
         _appViewState.update { it.copy(bottomSheet = bottomSheet) }
 
     private suspend fun handleTunnelPingTargetChange(tunnelConf: TunnelConf, target: String) =
-        saveTunnel(tunnelConf.copy(pingTarget = target.ifBlank { null }))
+        saveTunnel(tunnelConf.copy(pingTarget = target))
 
     private suspend fun handleTogglePingTunnel(tunnel: TunnelConf) =
         saveTunnel(tunnel.copy(restartOnPingFailure = !tunnel.restartOnPingFailure))
@@ -548,10 +515,17 @@ constructor(
         _appViewState.update { it.copy(popBackStack = true) }
     }
 
-    private suspend fun handleImportTunnelFromFile(uri: Uri) {
+    private suspend fun handleImportTunnelFromFile(uri: Uri, tunnels: List<TunnelConf>) {
         runCatching {
                 val tunnelConfigs = fileUtils.buildTunnelsFromUri(uri)
-                saveTunnelsUniquely(tunnelConfigs)
+                val existingNames = tunnels.map { it.tunName }.toMutableList()
+                val uniqueTunnelConfigs =
+                    tunnelConfigs.map { config ->
+                        val uniqueName = config.generateUniqueName(existingNames)
+                        existingNames.add(uniqueName)
+                        config.copy(tunName = uniqueName)
+                    }
+                appDataRepository.tunnels.saveAll(uniqueTunnelConfigs)
             }
             .onFailure {
                 when (it) {
@@ -570,7 +544,11 @@ constructor(
         runCatching {
                 val amConfig = TunnelConf.configFromAmQuick(config)
                 val tunnelConf = TunnelConf.tunnelConfigFromAmConfig(amConfig)
-                saveTunnelsUniquely(listOf(tunnelConf))
+                saveTunnel(
+                    tunnelConf.copy(
+                        tunName = tunnelConf.generateUniqueName(tunnels.map { it.tunName })
+                    )
+                )
             }
             .onFailure {
                 Timber.e(it)
@@ -588,7 +566,11 @@ constructor(
                 url.openStream().use { stream ->
                     val amConfig = Config.parse(stream)
                     val tunnelConf = TunnelConf.tunnelConfigFromAmConfig(amConfig)
-                    saveTunnelsUniquely(listOf(tunnelConf))
+                    saveTunnel(
+                        tunnelConf.copy(
+                            tunName = tunnelConf.generateUniqueName(tunnels.map { it.tunName })
+                        )
+                    )
                 }
             }
             .onFailure {
@@ -666,19 +648,19 @@ constructor(
         val updatedSettings =
             appSettings.copy(isLanOnKillSwitchEnabled = !appSettings.isLanOnKillSwitchEnabled)
         saveSettings(updatedSettings)
-        handleKillSwitchChange(updatedSettings)
+        handleKillSwitchChange(appSettings)
     }
 
     private fun handleKillSwitchChange(appSettings: AppSettings) {
         // let auto tunnel handle kill switch changes if running
         if (uiState.value.isAutoTunnelActive) return
         if (!appSettings.isVpnKillSwitchEnabled)
-            return tunnelManager.setBackendStatus(BackendStatus.Active)
+            return tunnelManager.setBackendState(BackendState.SERVICE_ACTIVE, emptyList())
         Timber.d("Starting kill switch")
         val allowedIps =
             if (appSettings.isLanOnKillSwitchEnabled) TunnelConf.LAN_BYPASS_ALLOWED_IPS
             else emptyList()
-        tunnelManager.setBackendStatus(BackendStatus.KillSwitch(allowedIps))
+        tunnelManager.setBackendState(BackendState.KILL_SWITCH_ACTIVE, allowedIps)
     }
 
     private suspend fun handleToggleAppShortcuts(appSettings: AppSettings) {
@@ -713,7 +695,7 @@ constructor(
         }
         if (enabled && !requestRoot()) return
         // disable kill switch feature in kernel mode
-        tunnelManager.setBackendStatus(BackendStatus.Inactive)
+        tunnelManager.setBackendState(BackendState.INACTIVE, emptyList())
         saveSettings(
             appSettings.copy(
                 isKernelEnabled = enabled,

app/src/main/java/com/zaneschepke/wireguardautotunnel/viewmodel/event/AppEvent.kt

@@ -77,8 +77,6 @@ sealed class AppEvent {
 
     data class SetTheme(val theme: Theme) : AppEvent()
 
-    data class SaveTunnelUniquely(val tunnel: TunnelConf) : AppEvent()
-
     data class SaveMonitoringSettings(
         val pingInterval: Int,
         val tunnelPingAttempts: Int,

gradle/libs.versions.toml

@@ -1,7 +1,7 @@
 [versions]
 accompanist = "0.37.3"
 activityCompose = "1.10.1"
-amneziawgAndroid = "1.6.1"
+amneziawgAndroid = "1.4.0"
 androidx-junit = "1.3.0"
 icmp4a = "1.0.0"
 roomdatabasebackup = "1.1.0"