kernel: Enhance the user space scanning functionality

manager/app/src/main/java/com/sukisu/ultra/Natives.kt

@@ -138,6 +138,26 @@ object Natives {
     // 模块签名验证
     external fun verifyModuleSignature(modulePath: String): Boolean
 
+    /**
+     * Check if UID scanner is currently enabled
+     * @return true if UID scanner is enabled, false otherwise
+     */
+    external fun isUidScannerEnabled(): Boolean
+
+    /**
+     * Enable or disable UID scanner
+     * @param enabled true to enable, false to disable
+     * @return true if operation was successful, false otherwise
+     */
+    external fun setUidScannerEnabled(enabled: Boolean): Boolean
+
+    /**
+     * Clear UID scanner environment (force exit)
+     * This will forcefully stop all UID scanner operations and clear the environment
+     * @return true if operation was successful, false otherwise
+     */
+    external fun clearUidScannerEnvironment(): Boolean
+
     private const val NON_ROOT_DEFAULT_PROFILE_KEY = "$"
     private const val NOBODY_UID = 9999
 

manager/app/src/main/java/com/sukisu/ultra/ui/screen/Settings.kt

@@ -46,11 +46,7 @@ import com.sukisu.ultra.ui.theme.CardConfig
 import com.sukisu.ultra.ui.theme.CardConfig.cardAlpha
 import com.sukisu.ultra.ui.theme.getCardColors
 import com.sukisu.ultra.ui.theme.getCardElevation
-import com.sukisu.ultra.ui.util.LocalSnackbarHost
-import com.sukisu.ultra.ui.util.getBugreportFile
-import com.sukisu.ultra.ui.util.getRootShell
-import com.sukisu.ultra.ui.util.setUidAutoScan
-import com.sukisu.ultra.ui.util.setUidMultiUserScan
+import com.sukisu.ultra.ui.util.*
 import com.topjohnwu.superuser.ShellUtils
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
@@ -181,6 +177,7 @@ fun SettingScreen(navigator: DestinationsNavigator) {
                                 forceSignatureVerification = enabled
                             }
                         )
+                        // UID 扫描开关
                         if (Natives.version >= Natives.MINIMAL_SUPPORTED_UID_SCANNER) {
                             var uidAutoScanEnabled by rememberSaveable {
                                 mutableStateOf(prefs.getBoolean("uid_auto_scan", false))
@@ -189,6 +186,17 @@ fun SettingScreen(navigator: DestinationsNavigator) {
                             var uidMultiUserScanEnabled by rememberSaveable {
                                 mutableStateOf(prefs.getBoolean("uid_multi_user_scan", false))
                             }
+
+                            LaunchedEffect(Unit) {
+                                uidAutoScanEnabled = Natives.isUidScannerEnabled()
+                                uidMultiUserScanEnabled = getUidMultiUserScan()
+
+                                prefs.edit {
+                                    putBoolean("uid_auto_scan", uidAutoScanEnabled)
+                                    putBoolean("uid_multi_user_scan", uidMultiUserScanEnabled)
+                                }
+                            }
+
                             // 用户态扫描应用列表开关
                             SwitchItem(
                                 icon = Icons.Filled.Scanner,
@@ -281,6 +289,8 @@ fun SettingScreen(navigator: DestinationsNavigator) {
                                                     uidMultiUserScanEnabled = false
                                                     prefs.edit { putBoolean("uid_multi_user_scan", false) }
 
+                                                    Natives.setUidScannerEnabled(false)
+
                                                     snackBarHost.showSnackbar(context.getString(R.string.clean_runtime_environment_success))
                                                 } else {
                                                     snackBarHost.showSnackbar(context.getString(R.string.clean_runtime_environment_failed))
@@ -470,6 +480,7 @@ fun cleanRuntimeEnvironment(): Boolean {
         ShellUtils.fastCmdResult(shell, "rm -rf /data/adb/uid_scanner")
         ShellUtils.fastCmdResult(shell, "rm -rf /data/adb/ksu/bin/user_uid")
         ShellUtils.fastCmdResult(shell, "rm -rf /data/adb/service.d/uid_scanner.sh")
+        Natives.clearUidScannerEnvironment()
         true
     } catch (_: Exception) {
         false

manager/app/src/main/java/com/sukisu/ultra/ui/util/KsuCli.kt

@@ -609,7 +609,10 @@ fun setUidAutoScan(enabled: Boolean): Boolean {
     val enableValue = if (enabled) 1 else 0
     val cmd = "$targetPath --auto-scan $enableValue && $targetPath reload"
     val result = ShellUtils.fastCmdResult(shell, cmd)
-    return result
+
+    val throneResult = Natives.setUidScannerEnabled(enabled)
+
+    return result && throneResult
 }
 
 fun setUidMultiUserScan(enabled: Boolean): Boolean {
@@ -623,3 +626,16 @@ fun setUidMultiUserScan(enabled: Boolean): Boolean {
     val result = ShellUtils.fastCmdResult(shell, cmd)
     return result
 }
+
+fun getUidMultiUserScan(): Boolean {
+    val shell = getRootShell()
+
+    val cmd = "grep 'multi_user_scan=' /data/misc/user_uid/uid_scanner.conf | cut -d'=' -f2"
+    val result = ShellUtils.fastCmd(shell, cmd).trim()
+
+    return try {
+        result.toInt() == 1
+    } catch (_: NumberFormatException) {
+        false
+    }
+}