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POTroubles installing programmatically an app with INSTALL_PACKAGES permission from /system/app
 

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  1. POTroubles installing programmatically an app with INSTALL_PACKAGES permission from /system/app
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    <p>I'm trying to install programmatically an app without user interaction and i'm getting this error</p> <pre><code> SecurityException: Neither user 10057 nor current process has android.permission.INSTALL_PACKAGES </code></pre> <p>My installer is located in /system/app on rooted phone, "Install non market apps" is checked , the installer has permission</p> <pre><code>&lt;uses-permission android:name="android.permission.INSTALL_PACKAGES"/&gt; </code></pre> <p>This is my call function</p> <pre><code> private void puk(Context context) throws IllegalArgumentException, IllegalAccessException, InvocationTargetException{ String fileName = PAKAGE_FILE_NAME ; String dir_type = Environment.DIRECTORY_DOWNLOADS; File dir= Environment.getExternalStoragePublicDirectory(dir_type); java.io.File file = new java.io.File(dir ,fileName); Uri packageUri = Uri.fromFile(file); PackageManager pm = context.getPackageManager(); Class&lt;? extends PackageManager&gt; o = pm.getClass(); Method[] allMethods=o.getMethods(); for (Method m : allMethods) { if (m.getName().equals("installPackage")) { Log.e(TAG, "installing the app.." ); m.invoke(pm,new Object[] { packageUri, null, 1, "com.mic.zapp"}); break; } } } </code></pre> <p>I'm getting this error</p> <pre><code> 11-15 02:46:23.320: W/System.err(10848): java.lang.reflect.InvocationTargetException 11-15 02:46:23.330: W/System.err(10848): at java.lang.reflect.Method.invokeNative(Native Method) 11-15 02:46:23.330: W/System.err(10848): at java.lang.reflect.Method.invoke(Method.java:507) 11-15 02:46:23.330: W/System.err(10848): at com.mic.pvtapi.PvtApiReflectActivity.puk(PvtApiReflectActivity.java:56) 11-15 02:46:23.330: W/System.err(10848): at com.mic.pvtapi.PvtApiReflectActivity.onCreate(PvtApiReflectActivity.java:28) 11-15 02:46:23.330: W/System.err(10848): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 11-15 02:46:23.330: W/System.err(10848): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1722) 11-15 02:46:23.330: W/System.err(10848): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1784) 11-15 02:46:23.330: W/System.err(10848): at android.app.ActivityThread.access$1500(ActivityThread.java:123) 11-15 02:46:23.330: W/System.err(10848): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:939) 11-15 02:46:23.330: W/System.err(10848): at android.os.Handler.dispatchMessage(Handler.java:99) 11-15 02:46:23.330: W/System.err(10848): at android.os.Looper.loop(Looper.java:130) 11-15 02:46:23.330: W/System.err(10848): at android.app.ActivityThread.main(ActivityThread.java:3835) 11-15 02:46:23.330: W/System.err(10848): at java.lang.reflect.Method.invokeNative(Native Method) 11-15 02:46:23.330: W/System.err(10848): at java.lang.reflect.Method.invoke(Method.java:507) 11-15 02:46:23.330: W/System.err(10848): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:847) 11-15 02:46:23.330: W/System.err(10848): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:605) 11-15 02:46:23.330: W/System.err(10848): at dalvik.system.NativeStart.main(Native Method) 11-15 02:46:23.330: W/System.err(10848): Caused by: java.lang.SecurityException: Neither user 10057 nor current process has android.permission.INSTALL_PACKAGES. 11-15 02:46:23.340: W/System.err(10848): at android.os.Parcel.readException(Parcel.java:1322) 11-15 02:46:23.340: W/System.err(10848): at android.os.Parcel.readException(Parcel.java:1276) 11-15 02:46:23.340: W/System.err(10848): at android.content.pm.IPackageManager$Stub$Proxy.installPackage(IPackageManager.java:2037) 11-15 02:46:23.340: W/System.err(10848): at android.app.ContextImpl$ApplicationPackageManager.installPackage(ContextImpl.java:2613) </code></pre> <p>I have readed that ti is possible to gain INSTALL_PAKAGES permissions in two ways: signing the app with firmware's key or putting the app in the firmware. My app is runng from /system/app so it has to gain privileges. </p> <p>Some one know what is wrong and give me some hints? Thanks</p> <h2>EDIT:</h2> <h2>One step forward, two steps backward</h2> <p>i'we added new permission to the app</p> <pre><code> &lt;permission android:name="com.mic.pvtapi.permission.INS_AP" android:label="etichetta_perm" android:protectionLevel="signatureOrSystem" /&gt; &lt;uses-permission android:name="com.mic.pvtapi.permission.INS_AP"/&gt; &lt;uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/&gt; </code></pre> <p>no more error</p> <pre><code>Neither user 10057 nor current process has android.permission.INSTALL_PACKAGES </code></pre> <p>but the new one </p> <pre><code> 11-15 19:43:58.895: I/ActivityManager(1838): Displayed com.mic.pvtapi/.PvtApiReflectActivity: +421ms 11-15 19:43:58.955: D/dalvikvm(4008): GC_EXPLICIT freed 3K, 51% free 2681K/5379K, external 0K/0K, paused 132ms 11-15 19:43:58.955: W/ActivityManager(1838): No content provider found for: 11-15 19:43:58.955: E/PackageManager(1838): Couldn't create temp file for downloaded package file. 11-15 19:43:58.955: W/dalvikvm(1838): threadid=13: thread exiting with uncaught exception (group=0x40018560) 11-15 19:43:58.965: E/AndroidRuntime(1838): *** FATAL EXCEPTION IN SYSTEM PROCESS: PackageManager 11-15 19:43:58.965: E/AndroidRuntime(1838): java.lang.NullPointerException 11-15 19:43:58.965: E/AndroidRuntime(1838): at com.android.server.PackageManagerService$FileInstallArgs.createCopyFile(PackageManagerService.java:5247) 11-15 19:43:58.965: E/AndroidRuntime(1838): at com.android.server.PackageManagerService$FileInstallArgs.copyApk(PackageManagerService.java:5255) 11-15 19:43:58.965: E/AndroidRuntime(1838): at com.android.server.PackageManagerService$InstallParams.handleStartCopy(PackageManagerService.java:5051) 11-15 19:43:58.965: E/AndroidRuntime(1838): at com.android.server.PackageManagerService$HandlerParams.startCopy(PackageManagerService.java:4902) 11-15 19:43:58.965: E/AndroidRuntime(1838): at com.android.server.PackageManagerService$PackageHandler.doHandleMessage(PackageManagerService.java:516) 11-15 19:43:58.965: E/AndroidRuntime(1838): at com.android.server.PackageManagerService$PackageHandler.handleMessage(PackageManagerService.java:461) 11-15 19:43:58.965: E/AndroidRuntime(1838): at android.os.Handler.dispatchMessage(Handler.java:99) 11-15 19:43:58.965: E/AndroidRuntime(1838): at android.os.Looper.loop(Looper.java:130) 11-15 19:43:58.965: E/AndroidRuntime(1838): at android.os.HandlerThread.run(HandlerThread.java:60) 11-15 19:43:58.975: I/Process(1838): Sending signal. PID: 1838 SIG: 9 11-15 19:43:59.005: I/ServiceManager(1637): service 'SurfaceFlinger' died </code></pre> <p>make my phone crash, freez and reboot</p>
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