manager: support setting selinux rules profile

manager/app/src/main/java/me/weishu/kernelsu/Natives.kt

@@ -93,6 +93,7 @@ object Natives {
 
         val nonRootUseDefault: Boolean = true,
         val umountModules: Boolean = true,
+        var rules: String = "", // this field is save in ksud!!
     ) : Parcelable {
         enum class Namespace {
             Inherited,

manager/app/src/main/java/me/weishu/kernelsu/ui/component/profile/RootProfileConfig.kt

@@ -175,6 +175,7 @@ fun RootProfileConfig(
             onProfileChange(
                 profile.copy(
                     context = domain,
+                    rules = rules,
                     rootUseDefault = false
                 )
             )
@@ -357,11 +358,14 @@ private fun UidPanel(uid: Int, label: String, onUidChange: (Int) -> Unit) {
 }
 
 @Composable
-private fun SELinuxPanel(profile: Natives.Profile, onSELinuxChange: (domain: String, rules: String) -> Unit) {
+private fun SELinuxPanel(
+    profile: Natives.Profile,
+    onSELinuxChange: (domain: String, rules: String) -> Unit
+) {
     var showDialog by remember { mutableStateOf(false) }
     if (showDialog) {
         var domain by remember { mutableStateOf(profile.context) }
-        var rules by remember { mutableStateOf("") }
+        var rules by remember { mutableStateOf(profile.rules) }
 
         val inputOptions = listOf(
             InputTextField(
@@ -382,7 +386,7 @@ private fun SELinuxPanel(profile: Natives.Profile, onSELinuxChange: (domain: Str
                     // value can be a-zA-Z0-9_
                     val regex = Regex("^[a-z_]+:[a-z0-9_]+:[a-z0-9_]+(:[a-z0-9_]+)?$")
                     if (value?.matches(regex) == true) ValidationResult.Valid
-                    else ValidationResult.Invalid("Domain must be valid sepolicy")
+                    else ValidationResult.Invalid("Domain must be in the format of \"user:role:type:level\"")
                 }
             ),
             InputTextField(
@@ -393,7 +397,6 @@ private fun SELinuxPanel(profile: Natives.Profile, onSELinuxChange: (domain: Str
                 type = InputTextFieldType.OUTLINED,
                 keyboardOptions = KeyboardOptions(
                     keyboardType = KeyboardType.Ascii,
-                    imeAction = ImeAction.Done
                 ),
                 singleLine = false,
                 resultListener = {
@@ -401,8 +404,8 @@ private fun SELinuxPanel(profile: Natives.Profile, onSELinuxChange: (domain: Str
                 },
                 validationListener = { value ->
                     if (isSepolicyValid(value)) ValidationResult.Valid
-                    else ValidationResult.Invalid("Rules must be valid sepolicy")
-                },
+                    else ValidationResult.Invalid("SELinux rules is invalid!")
+                }
             )
         )
 

manager/app/src/main/java/me/weishu/kernelsu/ui/screen/AppProfile.kt

@@ -1,6 +1,5 @@
 package me.weishu.kernelsu.ui.screen
 
-import android.util.Log
 import androidx.annotation.StringRes
 import androidx.compose.animation.Crossfade
 import androidx.compose.foundation.gestures.detectTapGestures
@@ -64,8 +63,10 @@ import me.weishu.kernelsu.ui.component.profile.AppProfileConfig
 import me.weishu.kernelsu.ui.component.profile.RootProfileConfig
 import me.weishu.kernelsu.ui.util.LocalSnackbarHost
 import me.weishu.kernelsu.ui.util.forceStopApp
+import me.weishu.kernelsu.ui.util.getSepolicy
 import me.weishu.kernelsu.ui.util.launchApp
 import me.weishu.kernelsu.ui.util.restartApp
+import me.weishu.kernelsu.ui.util.setSepolicy
 import me.weishu.kernelsu.ui.viewmodel.SuperUserViewModel
 
 /**
@@ -83,10 +84,16 @@ fun AppProfileScreen(
     val scope = rememberCoroutineScope()
     val failToUpdateAppProfile =
         stringResource(R.string.failed_to_update_app_profile).format(appInfo.label)
+    val failToUpdateSepolicy =
+        stringResource(R.string.failed_to_update_sepolicy).format(appInfo.label)
 
     val packageName = appInfo.packageName
+    val initialProfile = Natives.getAppProfile(packageName, appInfo.uid)
+    if (initialProfile.allowSu) {
+        initialProfile.rules = getSepolicy(packageName)
+    }
     var profile by rememberSaveable {
-        mutableStateOf(Natives.getAppProfile(packageName, appInfo.uid))
+        mutableStateOf(initialProfile)
     }
 
     Scaffold(
@@ -114,6 +121,12 @@ fun AppProfileScreen(
             profile = profile,
             onProfileChange = {
                 scope.launch {
+                    if (it.allowSu && !it.rootUseDefault && it.rules.isNotEmpty()) {
+                        if (!setSepolicy(profile.name, it.rules)) {
+                            snackbarHost.showSnackbar(failToUpdateSepolicy)
+                            return@launch
+                        }
+                    }
                     if (!Natives.setAppProfile(it)) {
                         snackbarHost.showSnackbar(failToUpdateAppProfile.format(appInfo.uid))
                     } else {

manager/app/src/main/java/me/weishu/kernelsu/ui/util/KsuCli.kt

@@ -147,7 +147,23 @@ fun isSepolicyValid(rules: String?): Boolean {
     }
     val shell = getRootShell()
     val result =
-        shell.newJob().add("ksud sepolicy check '$rules'").to(ArrayList(), null).exec()
+        shell.newJob().add("${getKsuDaemonPath()} sepolicy check '$rules'").to(ArrayList(), null).exec()
+    return result.isSuccess
+}
+
+fun getSepolicy(pkg: String): String {
+    val shell = getRootShell()
+    val result =
+        shell.newJob().add("${getKsuDaemonPath()} profile get-sepolicy $pkg").to(ArrayList(), null).exec()
+    Log.i(TAG, "code: ${result.code}, out: ${result.out}, err: ${result.err}")
+    return result.out.joinToString("\n")
+}
+
+fun setSepolicy(pkg: String, rules: String): Boolean {
+    val shell = getRootShell()
+    val result =
+        shell.newJob().add("${getKsuDaemonPath()} profile set-sepolicy $pkg '$rules'").to(ArrayList(), null).exec()
+    Log.i(TAG, "set sepolicy result: ${result.code}")
     return result.isSuccess
 }
 

manager/app/src/main/res/values/strings.xml

@@ -83,4 +83,5 @@
     <string name="launch_app">Launch</string>
     <string name="force_stop_app">Force Stop</string>
     <string name="restart_app">Restart</string>
+    <string name="failed_to_update_sepolicy">Failed to update SELinux rules for: %s</string>
 </resources>