Files
Magisk/app/src/main/java/com/topjohnwu/magisk/tasks/MagiskInstaller.java
topjohnwu 7219947237 Update libsu
Close #1314
2019-04-08 21:05:11 -04:00

381 lines
14 KiB
Java

package com.topjohnwu.magisk.tasks;
import android.net.Uri;
import android.os.Build;
import android.text.TextUtils;
import androidx.annotation.MainThread;
import androidx.annotation.WorkerThread;
import com.topjohnwu.magisk.App;
import com.topjohnwu.magisk.Config;
import com.topjohnwu.magisk.Const;
import com.topjohnwu.magisk.utils.Utils;
import com.topjohnwu.net.DownloadProgressListener;
import com.topjohnwu.net.Networking;
import com.topjohnwu.signing.SignBoot;
import com.topjohnwu.superuser.Shell;
import com.topjohnwu.superuser.ShellUtils;
import com.topjohnwu.superuser.internal.NOPList;
import com.topjohnwu.superuser.internal.UiThreadHandler;
import com.topjohnwu.superuser.io.SuFile;
import com.topjohnwu.superuser.io.SuFileInputStream;
import com.topjohnwu.superuser.io.SuFileOutputStream;
import org.kamranzafar.jtar.TarEntry;
import org.kamranzafar.jtar.TarHeader;
import org.kamranzafar.jtar.TarInputStream;
import org.kamranzafar.jtar.TarOutputStream;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
public abstract class MagiskInstaller {
protected String srcBoot;
protected File destFile;
protected File installDir;
private List<String> console, logs;
private boolean isTar = false;
private class ProgressLog implements DownloadProgressListener {
private int prev = -1;
private int location;
@Override
public void onProgress(long bytesDownloaded, long totalBytes) {
if (prev < 0) {
location = console.size();
console.add("... 0%");
}
int curr = (int) (100 * bytesDownloaded / totalBytes);
if (prev != curr) {
prev = curr;
console.set(location, "... " + prev + "%");
}
}
}
protected MagiskInstaller() {
console = NOPList.getInstance();
logs = NOPList.getInstance();
}
public MagiskInstaller(List<String> out, List<String> err) {
console = out;
logs = err;
installDir = new File(App.deContext.getFilesDir().getParent(), "install");
Shell.sh("rm -rf " + installDir).exec();
installDir.mkdirs();
}
protected boolean findImage() {
srcBoot = ShellUtils.fastCmd("find_boot_image", "echo \"$BOOTIMAGE\"");
if (srcBoot.isEmpty()) {
console.add("! Unable to detect target image");
return false;
}
console.add("- Target image: " + srcBoot);
return true;
}
protected boolean findSecondaryImage() {
String slot = ShellUtils.fastCmd("echo $SLOT");
String target = (TextUtils.equals(slot, "_a") ? "_b" : "_a");
console.add("- Target slot: " + target);
srcBoot = ShellUtils.fastCmd(
"SLOT=" + target,
"find_boot_image",
"SLOT=" + slot,
"echo \"$BOOTIMAGE\""
);
if (srcBoot.isEmpty()) {
console.add("! Unable to detect target image");
return false;
}
console.add("- Target image: " + srcBoot);
return true;
}
protected boolean extractZip() {
String arch;
if (Build.VERSION.SDK_INT >= 21) {
List<String> abis = Arrays.asList(Build.SUPPORTED_ABIS);
arch = abis.contains("x86") ? "x86" : "arm";
} else {
arch = TextUtils.equals(Build.CPU_ABI, "x86") ? "x86" : "arm";
}
console.add("- Device platform: " + Build.CPU_ABI);
File zip = new File(App.self.getCacheDir(), "magisk.zip");
if (!ShellUtils.checkSum("MD5", zip, Config.magiskMD5)) {
console.add("- Downloading zip");
Networking.get(Config.magiskLink)
.setDownloadProgressListener(new ProgressLog())
.execForFile(zip);
} else {
console.add("- Existing zip found");
}
try {
ZipInputStream zi = new ZipInputStream(new BufferedInputStream(
new FileInputStream(zip), (int) zip.length()));
ZipEntry ze;
while ((ze = zi.getNextEntry()) != null) {
if (ze.isDirectory())
continue;
String name = null;
String[] names = { arch + "/", "common/", "META-INF/com/google/android/update-binary" };
for (String n : names) {
if (ze.getName().startsWith(n)) {
name = ze.getName().substring(ze.getName().lastIndexOf('/') + 1);
break;
}
}
if (name == null && ze.getName().startsWith("chromeos/"))
name = ze.getName();
if (name == null)
continue;
File dest = (installDir instanceof SuFile) ?
new SuFile(installDir, name) :
new File(installDir, name);
dest.getParentFile().mkdirs();
try (OutputStream out = new SuFileOutputStream(dest)) {
ShellUtils.pump(zi, out);
}
}
} catch (IOException e) {
console.add("! Cannot unzip zip");
return false;
}
File init64 = SuFile.open(installDir, "magiskinit64");
if (Build.VERSION.SDK_INT >= 21 && Build.SUPPORTED_64_BIT_ABIS.length != 0) {
init64.renameTo(SuFile.open(installDir, "magiskinit"));
} else {
init64.delete();
}
Shell.sh("cd " + installDir, "chmod 755 *").exec();
return true;
}
private TarEntry newEntry(String name, long size) {
console.add("-- Writing: " + name);
return new TarEntry(TarHeader.createHeader(name, size, 0, false, 0644));
}
private void handleTar(InputStream in) throws IOException {
console.add("- Processing tar file");
boolean vbmeta = false;
try (TarInputStream tarIn = new TarInputStream(in);
TarOutputStream tarOut = new TarOutputStream(destFile)) {
TarEntry entry;
while ((entry = tarIn.getNextEntry()) != null) {
if (entry.getName().contains("boot.img")
|| entry.getName().contains("recovery.img")) {
String name = entry.getName();
console.add("-- Extracting: " + name);
File extract = new File(installDir, name);
try (FileOutputStream fout = new FileOutputStream(extract)) {
ShellUtils.pump(tarIn, fout);
}
if (name.contains(".lz4")) {
console.add("-- Decompressing: " + name);
Shell.sh("./magiskboot --decompress " + extract).to(console).exec();
}
} else if (entry.getName().contains("vbmeta.img")) {
vbmeta = true;
ByteBuffer buf = ByteBuffer.allocate(256);
buf.put("AVB0".getBytes()); // magic
buf.putInt(1); // required_libavb_version_major
buf.putInt(120, 2); // flags
buf.position(128); // release_string
buf.put("avbtool 1.1.0".getBytes());
tarOut.putNextEntry(newEntry("vbmeta.img", 256));
tarOut.write(buf.array());
} else {
console.add("-- Writing: " + entry.getName());
tarOut.putNextEntry(entry);
ShellUtils.pump(tarIn, tarOut);
}
}
File boot = SuFile.open(installDir, "boot.img");
File recovery = SuFile.open(installDir, "recovery.img");
if (vbmeta && recovery.exists() && boot.exists()) {
// Install Magisk to recovery
srcBoot = recovery.getPath();
// Repack boot image to prevent restore
Shell.sh(
"./magiskboot --unpack boot.img",
"./magiskboot --repack boot.img",
"./magiskboot --cleanup",
"mv new-boot.img boot.img").exec();
try (InputStream sin = new SuFileInputStream(boot)) {
tarOut.putNextEntry(newEntry("boot.img", boot.length()));
ShellUtils.pump(sin, tarOut);
}
boot.delete();
} else {
if (!boot.exists()) {
console.add("! No boot image found");
throw new IOException();
}
srcBoot = boot.getPath();
}
}
}
protected boolean handleFile(Uri uri) {
try (InputStream in = new BufferedInputStream(App.self.getContentResolver().openInputStream(uri))) {
in.mark(500);
byte[] magic = new byte[5];
if (in.skip(257) != 257 || in.read(magic) != magic.length) {
console.add("! Invalid file");
return false;
}
in.reset();
if (Arrays.equals(magic, "ustar".getBytes())) {
isTar = true;
destFile = new File(Const.EXTERNAL_PATH, "magisk_patched.tar");
handleTar(in);
} else {
// Raw image
srcBoot = new File(installDir, "boot.img").getPath();
destFile = new File(Const.EXTERNAL_PATH, "magisk_patched.img");
console.add("- Copying image to cache");
try (OutputStream out = new FileOutputStream(srcBoot)) {
ShellUtils.pump(in, out);
}
}
} catch (IOException e) {
console.add("! Process error");
e.printStackTrace();
return false;
}
return true;
}
protected boolean patchBoot() {
boolean isSigned;
try (InputStream in = new SuFileInputStream(srcBoot)) {
isSigned = SignBoot.verifySignature(in, null);
if (isSigned) {
console.add("- Boot image is signed with AVB 1.0");
}
} catch (IOException e) {
console.add("! Unable to check signature");
return false;
}
if (!Shell.sh(Utils.fmt(
"KEEPFORCEENCRYPT=%b KEEPVERITY=%b RECOVERYMODE=%b " +
"sh update-binary sh boot_patch.sh %s",
Config.keepEnc, Config.keepVerity, Config.recovery, srcBoot))
.to(console, logs).exec().isSuccess())
return false;
Shell.Job job = Shell.sh("./magiskboot --cleanup",
"mv bin/busybox busybox",
"rm -rf magisk.apk bin boot.img update-binary",
"cd /");
File patched = new File(installDir, "new-boot.img");
if (isSigned) {
console.add("- Signing boot image with test keys");
File signed = new File(installDir, "signed.img");
try (InputStream in = new SuFileInputStream(patched);
OutputStream out = new BufferedOutputStream(new FileOutputStream(signed))) {
SignBoot.doSignature("/boot", in, out, null, null);
} catch (IOException e) {
return false;
}
job.add("mv -f " + signed + " " + patched);
}
job.exec();
return true;
}
protected boolean flashBoot() {
if (!Shell.su(Utils.fmt("direct_install %s %s", installDir, srcBoot))
.to(console, logs).exec().isSuccess())
return false;
if (!Config.keepVerity)
Shell.su("patch_dtbo_image").to(console, logs).exec();
return true;
}
protected boolean storeBoot() {
File patched = SuFile.open(installDir, "new-boot.img");
try {
OutputStream os;
if (isTar) {
os = new TarOutputStream(destFile, true);
((TarOutputStream) os).putNextEntry(newEntry(
srcBoot.contains("recovery") ? "recovery.img" : "boot.img",
patched.length()));
} else {
os = new BufferedOutputStream(new FileOutputStream(destFile));
}
try (InputStream in = new SuFileInputStream(patched);
OutputStream out = os) {
ShellUtils.pump(in, out);
}
} catch (IOException e) {
console.add("! Failed to output to " + destFile);
e.printStackTrace();
}
patched.delete();
console.add("");
console.add("****************************");
console.add(" Output file is placed in ");
console.add(" " + destFile + " ");
console.add("****************************");
return true;
}
protected boolean postOTA() {
SuFile bootctl = new SuFile("/data/adb/bootctl");
try (InputStream in = Networking.get(Const.Url.BOOTCTL_URL).execForInputStream().getResult();
OutputStream out = new SuFileOutputStream(bootctl)) {
ShellUtils.pump(in, out);
} catch (IOException e) {
e.printStackTrace();
return false;
}
Shell.su("post_ota " + bootctl.getParent()).exec();
console.add("***************************************");
console.add(" Next reboot will boot to second slot!");
console.add("***************************************");
return true;
}
@WorkerThread
protected abstract boolean operations();
@MainThread
protected abstract void onResult(boolean success);
public void exec() {
App.THREAD_POOL.execute(() -> {
boolean b = operations();
UiThreadHandler.run(() -> onResult(b));
});
}
}