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topjohnwu 2018-01-21 06:07:24 +08:00
parent 759e905c3c
commit 821726e7c0
28 changed files with 71 additions and 340 deletions
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1
build.gradle
View File

@ -55,6 +55,7 @@ repositories {
dependencies {
implementation fileTree(include: ['*.jar'], dir: 'libs')
implementation project(':crypto')
implementation 'com.github.topjohnwu:libsu:0.1.0'
implementation 'com.android.support:recyclerview-v7:27.0.2'
implementation 'com.android.support:cardview-v7:27.0.2'
implementation 'com.android.support:design:27.0.2'

10
src/main/java/com/topjohnwu/magisk/FlashActivity.java
View File

@ -16,9 +16,9 @@ import android.widget.Toast;
import com.topjohnwu.magisk.asyncs.FlashZip;
import com.topjohnwu.magisk.asyncs.InstallMagisk;
import com.topjohnwu.magisk.components.Activity;
import com.topjohnwu.magisk.container.CallbackList;
import com.topjohnwu.magisk.utils.Const;
import com.topjohnwu.magisk.utils.Shell;
import com.topjohnwu.superuser.Shell;
import com.topjohnwu.superuser.ShellCallbackVector;
import java.io.File;
import java.io.FileWriter;
@ -96,10 +96,10 @@ public class FlashActivity extends Activity {
reboot.setVisibility(View.GONE);
logs = new ArrayList<>();
List<String> console = new CallbackList<String>() {
ShellCallbackVector console = new ShellCallbackVector() {
@Override
public synchronized void onAddElement(String e) {
logs.add(e);
public void onShellOutput(String s) {
logs.add(s);
flashLogs.setText(TextUtils.join("\n", this));
sv.postDelayed(() -> sv.fullScroll(ScrollView.FOCUS_DOWN), 10);
}

2
src/main/java/com/topjohnwu/magisk/MagiskFragment.java
View File

@ -22,10 +22,10 @@ import com.topjohnwu.magisk.asyncs.CheckUpdates;
import com.topjohnwu.magisk.components.AlertDialogBuilder;
import com.topjohnwu.magisk.components.ExpandableView;
import com.topjohnwu.magisk.components.Fragment;
import com.topjohnwu.magisk.utils.Shell;
import com.topjohnwu.magisk.utils.ShowUI;
import com.topjohnwu.magisk.utils.Topic;
import com.topjohnwu.magisk.utils.Utils;
import com.topjohnwu.superuser.Shell;
import butterknife.BindColor;
import butterknife.BindView;

21
src/main/java/com/topjohnwu/magisk/MagiskLogFragment.java
View File

@ -21,8 +21,9 @@ import com.topjohnwu.magisk.asyncs.ParallelTask;
import com.topjohnwu.magisk.components.Fragment;
import com.topjohnwu.magisk.components.SnackbarMaker;
import com.topjohnwu.magisk.utils.Const;
import com.topjohnwu.magisk.utils.Shell;
import com.topjohnwu.magisk.utils.Utils;
import com.topjohnwu.superuser.Shell;
import com.topjohnwu.superuser.ShellCallback;
import java.io.File;
import java.io.FileWriter;
@ -188,7 +189,7 @@ public class MagiskLogFragment extends Fragment {
}
}
private static class StringBuildingList extends Shell.AbstractList<String> {
private static class StringBuildingList extends ShellCallback {
StringBuilder builder;
@ -196,18 +197,17 @@ public class MagiskLogFragment extends Fragment {
builder = new StringBuilder();
}
@Override
public boolean add(String s) {
builder.append(s).append("\n");
return true;
}
public CharSequence getCharSequence() {
return builder;
}
@Override
public void onShellOutput(String s) {
builder.append(s).append("\n");
}
}
private static class FileWritingList extends Shell.AbstractList<String> {
private static class FileWritingList extends ShellCallback {
private FileWriter writer;
@ -216,11 +216,10 @@ public class MagiskLogFragment extends Fragment {
}
@Override
public boolean add(String s) {
public void onShellOutput(String s) {
try {
writer.write(s + "\n");
} catch (IOException ignored) {}
return true;
}
}

33
src/main/java/com/topjohnwu/magisk/MagiskManager.java
View File

@ -14,16 +14,20 @@ import com.topjohnwu.magisk.container.Module;
import com.topjohnwu.magisk.database.RepoDatabaseHelper;
import com.topjohnwu.magisk.database.SuDatabaseHelper;
import com.topjohnwu.magisk.utils.Const;
import com.topjohnwu.magisk.utils.Shell;
import com.topjohnwu.magisk.utils.Topic;
import com.topjohnwu.magisk.utils.Utils;
import com.topjohnwu.superuser.Shell;
import com.topjohnwu.superuser.ShellContainer;
import com.topjohnwu.superuser.ShellInitializer;
import java.io.IOException;
import java.io.InputStream;
import java.lang.ref.WeakReference;
import java.util.List;
import java.util.Locale;
import java.util.Map;
public class MagiskManager extends Application {
public class MagiskManager extends Application implements ShellContainer {
// Global weak reference to self
private static WeakReference<MagiskManager> weakSelf;
@ -85,6 +89,21 @@ public class MagiskManager extends Application {
public MagiskManager() {
weakSelf = new WeakReference<>(this);
Shell.setFlags(Shell.FLAG_MOUNT_MASTER);
Shell.setGlobalContainer(this);
Shell.setInitializer(new ShellInitializer() {
@Override
public void onRootShellInit(Shell shell) {
try (InputStream in = MagiskManager.get().getAssets().open(Const.UTIL_FUNCTIONS)) {
shell.loadInputStream(in);
} catch (IOException e) {
e.printStackTrace();
}
shell.run_raw("export PATH=" + Const.BUSYBOX_PATH + ":$PATH",
"mount_partitions",
"run_migrations");
}
});
}
@Override
@ -110,6 +129,16 @@ public class MagiskManager extends Application {
loadConfig();
}
@Override
public Shell getShell() {
return shell;
}
@Override
public void setShell(Shell shell) {
this.shell = shell;
}
public static MagiskManager get() {
return weakSelf.get();
}

2
src/main/java/com/topjohnwu/magisk/MainActivity.java
View File

@ -19,9 +19,9 @@ import android.view.View;
import com.topjohnwu.magisk.asyncs.MarkDownWindow;
import com.topjohnwu.magisk.components.Activity;
import com.topjohnwu.magisk.utils.Const;
import com.topjohnwu.magisk.utils.Shell;
import com.topjohnwu.magisk.utils.Topic;
import com.topjohnwu.magisk.utils.Utils;
import com.topjohnwu.superuser.Shell;
import java.io.IOException;
import java.io.InputStream;

2
src/main/java/com/topjohnwu/magisk/ModulesFragment.java
View File

@ -20,9 +20,9 @@ import com.topjohnwu.magisk.asyncs.LoadModules;
import com.topjohnwu.magisk.components.Fragment;
import com.topjohnwu.magisk.container.Module;
import com.topjohnwu.magisk.utils.Const;
import com.topjohnwu.magisk.utils.Shell;
import com.topjohnwu.magisk.utils.Topic;
import com.topjohnwu.magisk.utils.Utils;
import com.topjohnwu.superuser.Shell;
import java.util.ArrayList;
import java.util.List;

2
src/main/java/com/topjohnwu/magisk/SettingsActivity.java
View File

@ -23,9 +23,9 @@ import com.topjohnwu.magisk.asyncs.HideManager;
import com.topjohnwu.magisk.components.Activity;
import com.topjohnwu.magisk.utils.Const;
import com.topjohnwu.magisk.utils.FingerprintHelper;
import com.topjohnwu.magisk.utils.Shell;
import com.topjohnwu.magisk.utils.Topic;
import com.topjohnwu.magisk.utils.Utils;
import com.topjohnwu.superuser.Shell;
import java.util.Locale;

2
src/main/java/com/topjohnwu/magisk/SplashActivity.java
View File

@ -17,8 +17,8 @@ import com.topjohnwu.magisk.asyncs.UpdateRepos;
import com.topjohnwu.magisk.components.Activity;
import com.topjohnwu.magisk.services.UpdateCheckService;
import com.topjohnwu.magisk.utils.Const;
import com.topjohnwu.magisk.utils.Shell;
import com.topjohnwu.magisk.utils.Utils;
import com.topjohnwu.superuser.Shell;
public class SplashActivity extends Activity {

2
src/main/java/com/topjohnwu/magisk/adapters/ApplicationAdapter.java
View File

@ -18,9 +18,9 @@ import com.topjohnwu.magisk.R;
import com.topjohnwu.magisk.asyncs.ParallelTask;
import com.topjohnwu.magisk.components.SnackbarMaker;
import com.topjohnwu.magisk.utils.Const;
import com.topjohnwu.magisk.utils.Shell;
import com.topjohnwu.magisk.utils.Topic;
import com.topjohnwu.magisk.utils.Utils;
import com.topjohnwu.superuser.Shell;
import java.util.ArrayList;
import java.util.Collections;

2
src/main/java/com/topjohnwu/magisk/adapters/ModulesAdapter.java
View File

@ -14,7 +14,7 @@ import android.widget.TextView;
import com.topjohnwu.magisk.R;
import com.topjohnwu.magisk.components.SnackbarMaker;
import com.topjohnwu.magisk.container.Module;
import com.topjohnwu.magisk.utils.Shell;
import com.topjohnwu.superuser.Shell;
import java.util.List;

2
src/main/java/com/topjohnwu/magisk/asyncs/CheckSafetyNet.java
View File

@ -4,9 +4,9 @@ import android.app.Activity;
import com.topjohnwu.magisk.MagiskManager;
import com.topjohnwu.magisk.utils.Const;
import com.topjohnwu.magisk.utils.Shell;
import com.topjohnwu.magisk.utils.Utils;
import com.topjohnwu.magisk.utils.WebService;
import com.topjohnwu.superuser.Shell;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;

2
src/main/java/com/topjohnwu/magisk/asyncs/FlashZip.java
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@ -8,9 +8,9 @@ import android.view.View;
import com.topjohnwu.magisk.FlashActivity;
import com.topjohnwu.magisk.MagiskManager;
import com.topjohnwu.magisk.utils.Const;
import com.topjohnwu.magisk.utils.Shell;
import com.topjohnwu.magisk.utils.Utils;
import com.topjohnwu.magisk.utils.ZipUtils;
import com.topjohnwu.superuser.Shell;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;

2
src/main/java/com/topjohnwu/magisk/asyncs/HideManager.java
View File

@ -8,9 +8,9 @@ import com.topjohnwu.crypto.JarMap;
import com.topjohnwu.magisk.MagiskManager;
import com.topjohnwu.magisk.R;
import com.topjohnwu.magisk.utils.Const;
import com.topjohnwu.magisk.utils.Shell;
import com.topjohnwu.magisk.utils.Utils;
import com.topjohnwu.magisk.utils.ZipUtils;
import com.topjohnwu.superuser.Shell;
import java.io.File;
import java.io.FileInputStream;

9
src/main/java/com/topjohnwu/magisk/asyncs/InstallMagisk.java
View File

@ -12,9 +12,9 @@ import com.topjohnwu.magisk.FlashActivity;
import com.topjohnwu.magisk.MagiskManager;
import com.topjohnwu.magisk.container.TarEntry;
import com.topjohnwu.magisk.utils.Const;
import com.topjohnwu.magisk.utils.Shell;
import com.topjohnwu.magisk.utils.Utils;
import com.topjohnwu.magisk.utils.ZipUtils;
import com.topjohnwu.superuser.Shell;
import org.kamranzafar.jtar.TarInputStream;
import org.kamranzafar.jtar.TarOutputStream;
@ -178,7 +178,7 @@ public class InstallMagisk extends ParallelTask<Void, Void, Boolean> {
// Force non-root shell
Shell shell;
if (Shell.rootAccess())
shell = new Shell("sh");
shell = Shell.newShell("sh");
else
shell = Shell.getShell();
@ -192,8 +192,7 @@ public class InstallMagisk extends ParallelTask<Void, Void, Boolean> {
if (TextUtils.equals(console.get(console.size() - 1), "Failed!"))
return false;
shell.run(null, null,
"mv -f new-boot.img ../",
shell.run("mv -f new-boot.img ../",
"mv bin/busybox busybox",
"rm -rf bin *.img update-binary",
"cd /");
@ -212,7 +211,7 @@ public class InstallMagisk extends ParallelTask<Void, Void, Boolean> {
) {
SignBoot.doSignature("/boot", in, out, keyIn, certIn);
}
shell.run_raw(false, false, "mv -f " + signed + " " + patched_boot);
shell.run_raw("mv -f " + signed + " " + patched_boot);
}
switch (mode) {

2
src/main/java/com/topjohnwu/magisk/asyncs/LoadModules.java
View File

@ -4,7 +4,7 @@ import com.topjohnwu.magisk.MagiskManager;
import com.topjohnwu.magisk.container.Module;
import com.topjohnwu.magisk.container.ValueSortedMap;
import com.topjohnwu.magisk.utils.Const;
import com.topjohnwu.magisk.utils.Shell;
import com.topjohnwu.superuser.Shell;
import java.util.List;

2
src/main/java/com/topjohnwu/magisk/asyncs/ProcessRepoZip.java
View File

@ -13,10 +13,10 @@ import com.topjohnwu.magisk.FlashActivity;
import com.topjohnwu.magisk.MagiskManager;
import com.topjohnwu.magisk.R;
import com.topjohnwu.magisk.utils.Const;
import com.topjohnwu.magisk.utils.Shell;
import com.topjohnwu.magisk.utils.Utils;
import com.topjohnwu.magisk.utils.WebService;
import com.topjohnwu.magisk.utils.ZipUtils;
import com.topjohnwu.superuser.Shell;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;

2
src/main/java/com/topjohnwu/magisk/asyncs/RestoreImages.java
View File

@ -4,8 +4,8 @@ import android.widget.Toast;
import com.topjohnwu.magisk.MagiskManager;
import com.topjohnwu.magisk.R;
import com.topjohnwu.magisk.utils.Shell;
import com.topjohnwu.magisk.utils.Utils;
import com.topjohnwu.superuser.Shell;
import java.util.List;

22
src/main/java/com/topjohnwu/magisk/container/CallbackList.java
View File

@ -1,22 +0,0 @@
package com.topjohnwu.magisk.container;
import android.os.Handler;
import java.util.ArrayList;
public abstract class CallbackList<E> extends ArrayList<E> {
private Handler handler;
protected CallbackList() {
handler = new Handler();
}
public abstract void onAddElement(E e);
public synchronized boolean add(E e) {
boolean ret = super.add(e);
handler.post(() -> onAddElement(e));
return ret;
}
}

2
src/main/java/com/topjohnwu/magisk/database/SuDatabaseHelper.java
View File

@ -15,8 +15,8 @@ import com.topjohnwu.magisk.R;
import com.topjohnwu.magisk.container.Policy;
import com.topjohnwu.magisk.container.SuLogEntry;
import com.topjohnwu.magisk.utils.Const;
import com.topjohnwu.magisk.utils.Shell;
import com.topjohnwu.magisk.utils.Utils;
import com.topjohnwu.superuser.Shell;
import java.io.File;
import java.text.DateFormat;

2
src/main/java/com/topjohnwu/magisk/receivers/PackageReceiver.java
View File

@ -6,8 +6,8 @@ import android.content.Intent;
import com.topjohnwu.magisk.MagiskManager;
import com.topjohnwu.magisk.utils.Const;
import com.topjohnwu.magisk.utils.Shell;
import com.topjohnwu.magisk.utils.Utils;
import com.topjohnwu.superuser.Shell;
public class PackageReceiver extends BroadcastReceiver {
@Override

2
src/main/java/com/topjohnwu/magisk/receivers/RebootReceiver.java
View File

@ -4,7 +4,7 @@ import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import com.topjohnwu.magisk.utils.Shell;
import com.topjohnwu.superuser.Shell;
public class RebootReceiver extends BroadcastReceiver {
@Override

2
src/main/java/com/topjohnwu/magisk/services/OnBootIntentService.java
View File

@ -8,8 +8,8 @@ import android.support.v4.app.NotificationCompat;
import com.topjohnwu.magisk.MagiskManager;
import com.topjohnwu.magisk.R;
import com.topjohnwu.magisk.utils.Const;
import com.topjohnwu.magisk.utils.Shell;
import com.topjohnwu.magisk.utils.Utils;
import com.topjohnwu.superuser.Shell;
public class OnBootIntentService extends IntentService {

9
src/main/java/com/topjohnwu/magisk/utils/Const.java
View File

@ -27,6 +27,7 @@ public class Const {
// Paths
public static final String MAGISK_DISABLE_FILE = "/cache/.disable_magisk";
public static final String BUSYBOX_PATH = "/sbin/.core/busybox";
public static final String TMP_FOLDER_PATH = "/dev/tmp";
public static final String MAGISK_LOG = "/cache/magisk.log";
public static final File EXTERNAL_PATH = new File(Environment.getExternalStorageDirectory(), "MagiskManager");
@ -37,14 +38,6 @@ public class Const {
public static final int SNET_VER = 7;
public static final int MIN_MODULE_VER = 1400;
public static String BUSYBOX_PATH() {
if (Utils.itemExist("/sbin/.core/busybox/busybox")) {
return "/sbin/.core/busybox";
} else {
return "/dev/magisk/bin";
}
}
public static String MAGISK_PATH() {
if (Utils.itemExist("/sbin/.core/img")) {
return "/sbin/.core/img";

207
src/main/java/com/topjohnwu/magisk/utils/Shell.java
View File

@ -1,207 +0,0 @@
package com.topjohnwu.magisk.utils;
import android.text.TextUtils;
import com.topjohnwu.magisk.MagiskManager;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
/**
* Modified by topjohnwu, based on Chainfire's libsuperuser
*/
public class Shell {
// -2 = not initialized; -1 = no shell; 0 = non root shell; 1 = root shell
public static int status = -2;
private final Process process;
private final OutputStream STDIN;
private final InputStream STDOUT;
private final InputStream STDERR;
private static void testRootShell(Shell shell) throws IOException {
shell.STDIN.write(("id\n").getBytes("UTF-8"));
shell.STDIN.flush();
String s = new BufferedReader(new InputStreamReader(shell.STDOUT)).readLine();
if (TextUtils.isEmpty(s) || !s.contains("uid=0")) {
shell.STDIN.close();
shell.STDIN.close();
throw new IOException();
}
}
public Shell(String command) throws IOException {
process = Runtime.getRuntime().exec(command);
STDIN = process.getOutputStream();
STDOUT = process.getInputStream();
STDERR = process.getErrorStream();
}
public static Shell getShell() {
MagiskManager mm = MagiskManager.get();
boolean needNewShell = mm.shell == null;
if (!needNewShell) {
try {
mm.shell.process.exitValue();
// The process is dead
needNewShell = true;
} catch (IllegalThreadStateException ignored) {
// This should be the expected result
}
}
if (needNewShell) {
status = 1;
try {
mm.shell = new Shell("su --mount-master");
testRootShell(mm.shell);
} catch (IOException e) {
// Mount master not implemented
try {
mm.shell = new Shell("su");
testRootShell(mm.shell);
} catch (IOException e1) {
// No root exists
status = 0;
try {
mm.shell = new Shell("sh");
} catch (IOException e2) {
status = -1;
return null;
}
}
}
if (rootAccess()) {
// Load utility shell scripts
try (InputStream in = mm.getAssets().open(Const.UTIL_FUNCTIONS)) {
mm.shell.loadInputStream(in);
} catch (IOException e) {
e.printStackTrace();
}
// Root shell initialization
mm.shell.run_raw(false, false,
"export PATH=" + Const.BUSYBOX_PATH() + ":$PATH",
"mount_partitions",
"run_migrations");
}
}
return mm.shell;
}
public static boolean rootAccess() {
if (status == -2) getShell();
return status > 0;
}
public void run(Collection<String> output, Collection<String> error, String... commands) {
StreamGobbler out, err;
synchronized (process) {
try {
out = new StreamGobbler(STDOUT, output);
err = new StreamGobbler(STDERR, error);
out.start();
err.start();
run_raw(output != null, error != null, commands);
STDIN.write("echo \'-shell-done-\'\necho \'-shell-done-\' >&2\n".getBytes("UTF-8"));
STDIN.flush();
try {
out.join();
err.join();
} catch (InterruptedException ignored) {}
} catch (IOException e) {
e.printStackTrace();
process.destroy();
}
}
}
public void run_raw(boolean stdout, boolean stderr, String... commands) {
String suffix = "\n";
if (!stderr) suffix = " 2>/dev/null" + suffix;
if (!stdout) suffix = " >/dev/null" + suffix;
synchronized (process) {
try {
for (String command : commands) {
Logger.shell(true, command);
STDIN.write((command + suffix).getBytes("UTF-8"));
STDIN.flush();
}
} catch (IOException e) {
e.printStackTrace();
process.destroy();
}
}
}
public void loadInputStream(InputStream in) {
synchronized (process) {
try {
Utils.inToOut(in, STDIN);
} catch (IOException e) {
e.printStackTrace();
}
}
}
public static List<String> sh(String... commands) {
List<String> res = new ArrayList<>();
sh(res, commands);
return res;
}
public static void sh(Collection<String> output, String... commands) {
Shell shell = getShell();
if (shell == null)
return;
shell.run(output, null, commands);
}
public static void sh_raw(String... commands) {
Shell shell = getShell();
if (shell == null)
return;
shell.run_raw(false, false, commands);
}
public static List<String> su(String... commands) {
if (!rootAccess()) return sh();
return sh(commands);
}
public static void su(Collection<String> output, String... commands) {
if (!rootAccess()) return;
sh(output, commands);
}
public static void su_raw(String... commands) {
if (!rootAccess()) return;
sh_raw(commands);
}
public static abstract class AbstractList<E> extends java.util.AbstractList<E> {
@Override
public abstract boolean add(E e);
@Override
public E get(int i) {
return null;
}
@Override
public int size() {
return 0;
}
}
}

1
src/main/java/com/topjohnwu/magisk/utils/ShowUI.java
View File

@ -22,6 +22,7 @@ import com.topjohnwu.magisk.components.AlertDialogBuilder;
import com.topjohnwu.magisk.receivers.DownloadReceiver;
import com.topjohnwu.magisk.receivers.ManagerUpdate;
import com.topjohnwu.magisk.receivers.RebootReceiver;
import com.topjohnwu.superuser.Shell;
import java.io.ByteArrayOutputStream;
import java.io.IOException;

63
src/main/java/com/topjohnwu/magisk/utils/StreamGobbler.java
View File

@ -1,63 +0,0 @@
package com.topjohnwu.magisk.utils;
import android.text.TextUtils;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.Collection;
import java.util.Collections;
/**
* Modified by topjohnwu, based on Chainfire's libsuperuser
*/
public class StreamGobbler extends Thread {
private BufferedReader reader;
private Collection<String> writer;
/**
* <p>StreamGobbler constructor</p>
*
* <p>We use this class because sh STDOUT and STDERR should be read as quickly as
* possible to prevent a deadlock from occurring, or Process.waitFor() never
* returning (as the buffer is full, pausing the native process)</p>
*
* @param in InputStream to read from
* @param out {@literal List<String>} to write to, or null
*/
public StreamGobbler(InputStream in, Collection<String> out) {
try {
while (in.available() != 0) {
in.skip(in.available());
}
} catch (IOException ignored) {}
reader = new BufferedReader(new InputStreamReader(in));
writer = out == null ? null : Collections.synchronizedCollection(out);
}
@Override
public void run() {
// keep reading the InputStream until it ends (or an error occurs)
try {
String line;
while ((line = reader.readLine()) != null) {
if (TextUtils.equals(line, "-shell-done-"))
return;
if (writer != null) writer.add(line);
Logger.shell(false, line);
}
} catch (IOException e) {
// reader probably closed, expected exit condition
}
// make sure our stream is closed and resources will be freed
try {
reader.close();
} catch (IOException e) {
// read already closed
}
}
}

1
src/main/java/com/topjohnwu/magisk/utils/Utils.java
View File

@ -29,6 +29,7 @@ import com.topjohnwu.magisk.R;
import com.topjohnwu.magisk.SplashActivity;
import com.topjohnwu.magisk.components.SnackbarMaker;
import com.topjohnwu.magisk.receivers.DownloadReceiver;
import com.topjohnwu.superuser.Shell;
import java.io.File;
import java.io.IOException;