fix lot (#518)

* refact: use feature subsystem

* use 64bit feature

* fix

* add fixme

* add feature max to get_info

* use 32bit feature id

* allow root to get/set feature

* more clean perm_check functions

* fix

* add feature command to ksud

kernel: do not expose perm checker

* fix security_task_fix_setuid_handler_pre

* add android16-6.12 ci

* manager: add kernel_umount switch

Co-authored-by: YuKongA <70465933+YuKongA@users.noreply.github.com>

* manager: Reinstate the LKM selection function

* kernel: add name and print command value

- Optimise sulog log display

Co-authored-by: Ylarod <me@ylarod.cn>
Co-authored-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>

* fix

* ksud: clippy

---------

Co-authored-by: Ylarod <me@ylarod.cn>
Co-authored-by: YuKongA <70465933+YuKongA@users.noreply.github.com>
Co-authored-by: weishu <twsxtd@gmail.com>

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

@@ -98,7 +98,16 @@ object Natives {
      */
     external fun isSuEnabled(): Boolean
     external fun setSuEnabled(enabled: Boolean): Boolean
-    external fun grantRoot(): Boolean
+
+    /**
+     * Kernel module umount can be disabled temporarily.
+     *  0: disabled
+     *  1: enabled
+     *  negative : error
+     */
+    external fun isKernelUmountEnabled(): Boolean
+    external fun setKernelUmountEnabled(enabled: Boolean): Boolean
+
     external fun isKPMEnabled(): Boolean
     external fun getHookType(): String
 

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

@@ -17,6 +17,7 @@ import androidx.compose.foundation.selection.selectable
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.material.icons.automirrored.filled.Input
 import androidx.compose.material.icons.filled.AutoFixHigh
 import androidx.compose.material.icons.filled.FileUpload
 import androidx.compose.material.icons.filled.Security
@@ -205,12 +206,29 @@ fun InstallScreen(
         }
     }
 
+    val selectLkmLauncher = rememberLauncherForActivityResult(
+        contract = ActivityResultContracts.StartActivityForResult()
+    ) {
+        if (it.resultCode == Activity.RESULT_OK) {
+            it.data?.data?.let { uri ->
+                lkmSelection = LkmSelection.LkmUri(uri)
+            }
+        }
+    }
+
+    val onLkmUpload = {
+        selectLkmLauncher.launch(Intent(Intent.ACTION_GET_CONTENT).apply {
+            type = "application/octet-stream"
+        })
+    }
+
     val scrollBehavior = TopAppBarDefaults.pinnedScrollBehavior(rememberTopAppBarState())
 
     Scaffold(
         topBar = {
             TopBar(
                 onBack = { navigator.popBackStack() },
+                onLkmUpload = onLkmUpload,
                 scrollBehavior = scrollBehavior
             )
         },
@@ -934,6 +952,7 @@ fun rememberSelectKmiDialog(onSelected: (String?) -> Unit): DialogHandle {
 @Composable
 private fun TopBar(
     onBack: () -> Unit = {},
+    onLkmUpload: () -> Unit = {},
     scrollBehavior: TopAppBarScrollBehavior? = null
 ) {
     val colorScheme = MaterialTheme.colorScheme
@@ -966,6 +985,17 @@ private fun TopBar(
         windowInsets = WindowInsets.safeDrawing.only(
             WindowInsetsSides.Top + WindowInsetsSides.Horizontal
         ),
+        actions = {
+            IconButton(
+                modifier = Modifier.padding(end = 16.dp),
+                onClick = onLkmUpload
+            ) {
+                Icon(
+                    Icons.AutoMirrored.Filled.Input,
+                    contentDescription = null
+                )
+            }
+        },
         scrollBehavior = scrollBehavior
     )
 }

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

@@ -17,6 +17,7 @@ import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.Undo
 import androidx.compose.material.icons.filled.*
+import androidx.compose.material.icons.rounded.FolderDelete
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
 import androidx.compose.runtime.saveable.rememberSaveable
@@ -165,6 +166,23 @@ fun SettingScreen(navigator: DestinationsNavigator) {
                                 }
                             )
                         }
+
+                        var isKernelUmountDisabled by rememberSaveable {
+                            mutableStateOf(!Natives.isKernelUmountEnabled())
+                        }
+                        SwitchItem(
+                            icon = Icons.Rounded.FolderDelete,
+                            title = stringResource(id = R.string.settings_disable_kernel_umount),
+                            summary = stringResource(id = R.string.settings_disable_kernel_umount_summary),
+                            checked = isKernelUmountDisabled,
+                            onCheckedChange = { checked: Boolean ->
+                                val shouldEnable = !checked
+                                if (Natives.setKernelUmountEnabled(shouldEnable)) {
+                                    isKernelUmountDisabled = !shouldEnable
+                                }
+                            }
+                        )
+
                         // 强制签名验证开关
                         var forceSignatureVerification by rememberSaveable {
                             mutableStateOf(prefs.getBoolean("force_signature_verification", false))