manager: Add KPM support functions and JNI interface

Co-authored-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>
Co-authored-by: liankong <xhsw.new@qq.com>
Signed-off-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>

manager/app/src/main/cpp/jni.cc

@@ -313,3 +313,8 @@ JNIEXPORT jboolean JNICALL
 Java_com_rifsxd_ksunext_Natives_setSuEnabled(JNIEnv *env, jobject thiz, jboolean enabled) {
     return set_su_enabled(enabled);
 }
+
+extern "C" JNIEXPORT jboolean JNICALL
+Java_com_rifsxd_ksunext_Natives_isKPMEnabled(JNIEnv *env, jobject) {
+    return is_KPM_enable();
+}

manager/app/src/main/cpp/ksu.cc

@@ -30,6 +30,7 @@
 #define CMD_IS_SU_ENABLED 14
 #define CMD_ENABLE_SU 15
 #define CMD_HOOK_MODE 16
+#define CMD_ENABLE_KPM 100
 
 static bool ksuctl(int cmd, void* arg1, void* arg2) {
     int32_t result = 0;
@@ -103,4 +104,9 @@ bool is_su_enabled() {
     // if ksuctl failed, we assume su is enabled, and it cannot be disabled.
     ksuctl(CMD_IS_SU_ENABLED, &enabled, nullptr);
     return enabled;
+}
+
+bool is_KPM_enable() {
+    bool enabled = false;
+    return ksuctl(CMD_ENABLE_KPM, &enabled, nullptr), enabled;
 }

manager/app/src/main/cpp/ksu.h

@@ -85,4 +85,6 @@ bool set_su_enabled(bool enabled);
 
 bool is_su_enabled();
 
+bool is_KPM_enable();
+
 #endif //KERNELSU_KSU_H

manager/app/src/main/java/com/rifsxd/ksunext/Natives.kt

@@ -81,6 +81,12 @@ object Natives {
     external fun isSuEnabled(): Boolean
     external fun setSuEnabled(enabled: Boolean): Boolean
 
+    /**
+     * Check if the KPM (Kernel Package Manager) is enabled.
+     * @return true if KPM is enabled, false otherwise.
+     */
+    external fun isKPMEnabled(): Boolean
+
     private const val NON_ROOT_DEFAULT_PROFILE_KEY = "$"
     private const val NOBODY_UID = 9999
 

manager/app/src/main/java/com/rifsxd/ksunext/ui/util/KsuCli.kt

@@ -645,4 +645,72 @@ fun launchApp(packageName: String) {
 fun restartApp(packageName: String) {
     forceStopApp(packageName)
     launchApp(packageName)
-}
+}
+
+fun getKpmmgrPath(): String {
+    return ksuApp.applicationInfo.nativeLibraryDir + File.separator + "libkpmmgr.so"
+}
+
+
+fun loadKpmModule(path: String, args: String? = null): String {
+    val shell = getRootShell()
+    val cmd = "${getKpmmgrPath()} load $path ${args ?: ""}"
+    return ShellUtils.fastCmd(shell, cmd)
+}
+
+fun unloadKpmModule(name: String): String {
+    val shell = getRootShell()
+    val cmd = "${getKpmmgrPath()} unload $name"
+    return ShellUtils.fastCmd(shell, cmd)
+}
+
+fun getKpmModuleCount(): Int {
+    val shell = getRootShell()
+    val cmd = "${getKpmmgrPath()} num"
+    val result = ShellUtils.fastCmd(shell, cmd)
+    return result.trim().toIntOrNull() ?: 0
+}
+
+fun runCmd(shell : Shell, cmd : String) : String {
+    return shell.newJob()
+        .add(cmd)
+        .to(mutableListOf<String>(), null)
+        .exec().out
+        .joinToString("\n")
+}
+
+fun listKpmModules(): String {
+    val shell = getRootShell()
+    val cmd = "${getKpmmgrPath()} list"
+    return try {
+        runCmd(shell, cmd).trim()
+    } catch (e: Exception) {
+        Log.e(TAG, "Failed to list KPM modules", e)
+        ""
+    }
+}
+
+fun getKpmModuleInfo(name: String): String {
+    val shell = getRootShell()
+    val cmd = "${getKpmmgrPath()} info $name"
+    return try {
+        runCmd(shell, cmd).trim()
+    } catch (e: Exception) {
+        Log.e(TAG, "Failed to get KPM module info: $name", e)
+        ""
+    }
+}
+
+fun controlKpmModule(name: String, args: String? = null): Int {
+    val shell = getRootShell()
+    val cmd = """${getKpmmgrPath()} control $name "${args ?: ""}""""
+    val result = runCmd(shell, cmd)
+    return result.trim().toIntOrNull() ?: -1
+}
+
+fun getKpmVersion(): String {
+    val shell = getRootShell()
+    val cmd = "${getKpmmgrPath()} version"
+    val result = ShellUtils.fastCmd(shell, cmd)
+    return result.trim()
+}