Support modern Samsung AP.tar patching
This commit is contained in:
topjohnwu
parent
41f5c8d96c
commit
2f232fc670
@ -37,11 +37,7 @@ import org.koin.core.KoinComponent
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import org.koin.core.get
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import org.koin.core.inject
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import timber.log.Timber
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import java.io.File
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import java.io.FileOutputStream
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import java.io.IOException
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import java.io.InputStream
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import java.nio.ByteBuffer
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import java.io.*
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import java.util.zip.ZipEntry
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import java.util.zip.ZipInputStream
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@ -49,7 +45,6 @@ abstract class MagiskInstallImpl : KoinComponent {
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protected lateinit var installDir: File
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private lateinit var srcBoot: String
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private lateinit var destFile: MediaStoreUtils.UriFile
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private lateinit var zipUri: Uri
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protected val console: MutableList<String>
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@ -163,15 +158,14 @@ abstract class MagiskInstallImpl : KoinComponent {
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}
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@Throws(IOException::class)
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private fun handleTar(input: InputStream) {
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private fun handleTar(input: InputStream, output: OutputStream): OutputStream {
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console.add("- Processing tar file")
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var vbmeta = false
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val tarOut = TarOutputStream(destFile.uri.outputStream())
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this.tarOut = tarOut
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val tarOut = TarOutputStream(output)
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TarInputStream(input).use { tarIn ->
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lateinit var entry: TarEntry
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while (tarIn.nextEntry?.let { entry = it } != null) {
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if (entry.name.contains("boot.img") || entry.name.contains("recovery.img")) {
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if (entry.name.contains("boot.img") ||
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(Config.recovery && entry.name.contains("recovery.img"))) {
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val name = entry.name
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console.add("-- Extracting: $name")
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val extract = File(installDir, name)
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@ -180,25 +174,15 @@ abstract class MagiskInstallImpl : KoinComponent {
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console.add("-- Decompressing: $name")
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"./magiskboot decompress $extract".sh()
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}
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} else if (entry.name.contains("vbmeta.img")) {
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vbmeta = true
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val buf = ByteBuffer.allocate(256)
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buf.put("AVB0".toByteArray()) // magic
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buf.putInt(1) // required_libavb_version_major
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buf.putInt(120, 2) // flags
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buf.position(128) // release_string
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buf.put("avbtool 1.1.0".toByteArray())
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tarOut.putNextEntry(newEntry("vbmeta.img", 256))
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tarOut.write(buf.array())
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} else {
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console.add("-- Writing: " + entry.name)
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console.add("-- Copying: " + entry.name)
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tarOut.putNextEntry(entry)
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tarIn.copyTo(tarOut)
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}
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}
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val boot = SuFile.open(installDir, "boot.img")
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val recovery = SuFile.open(installDir, "recovery.img")
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if (vbmeta && recovery.exists() && boot.exists()) {
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if (recovery.exists() && boot.exists()) {
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// Install Magisk to recovery
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srcBoot = recovery.path
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// Repack boot image to prevent restore
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@ -220,27 +204,33 @@ abstract class MagiskInstallImpl : KoinComponent {
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srcBoot = boot.path
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}
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}
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return tarOut
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}
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private fun handleFile(uri: Uri): Boolean {
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val outStream: OutputStream
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val outFile: MediaStoreUtils.UriFile
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// Process input file
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try {
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uri.inputStream().buffered().use {
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it.mark(500)
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uri.inputStream().buffered().use { src ->
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src.mark(500)
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val magic = ByteArray(5)
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if (it.skip(257) != 257L || it.read(magic) != magic.size) {
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console.add("! Invalid file")
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if (src.skip(257) != 257L || src.read(magic) != magic.size) {
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console.add("! Invalid input file")
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return false
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}
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it.reset()
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if (magic.contentEquals("ustar".toByteArray())) {
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destFile = MediaStoreUtils.getFile("magisk_patched.tar")
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handleTar(it)
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src.reset()
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outStream = if (magic.contentEquals("ustar".toByteArray())) {
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outFile = MediaStoreUtils.getFile("magisk_patched.tar")
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handleTar(src, outFile.uri.outputStream())
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} else {
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// Raw image
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srcBoot = File(installDir, "boot.img").path
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destFile = MediaStoreUtils.getFile("magisk_patched.img")
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console.add("- Copying image to cache")
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FileOutputStream(srcBoot).use { out -> it.copyTo(out) }
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FileOutputStream(srcBoot).use { src.copyTo(it) }
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outFile = MediaStoreUtils.getFile("magisk_patched.img")
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outFile.uri.outputStream()
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}
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}
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} catch (e: IOException) {
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@ -249,6 +239,31 @@ abstract class MagiskInstallImpl : KoinComponent {
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return false
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}
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// Patch file
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if (!patchBoot())
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return false
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// Output file
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try {
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val patched = SuFile.open(installDir, "new-boot.img")
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if (outStream is TarOutputStream) {
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val name = if (srcBoot.contains("recovery")) "recovery.img" else "boot.img"
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outStream.putNextEntry(newEntry(name, patched.length()))
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}
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withStreams(SuFileInputStream(patched), outStream) { src, out -> src.copyTo(out) }
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patched.delete()
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console.add("")
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console.add("****************************")
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console.add(" Output file is written to ")
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console.add(" $outFile ")
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console.add("****************************")
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} catch (e: IOException) {
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console.add("! Failed to output to $outFile")
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Timber.e(e)
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return false
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}
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return true
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}
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@ -311,33 +326,7 @@ abstract class MagiskInstallImpl : KoinComponent {
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private fun flashBoot(): Boolean {
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if (!"direct_install $installDir $srcBoot".sh().isSuccess)
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return false
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arrayOf("run_migrations").sh()
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return true
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}
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private fun storeBoot(): Boolean {
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val patched = SuFile.open(installDir, "new-boot.img")
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try {
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val os = tarOut?.let {
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it.putNextEntry(newEntry(
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if (srcBoot.contains("recovery")) "recovery.img" else "boot.img",
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patched.length()))
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tarOut = null
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it
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} ?: destFile.uri.outputStream()
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SuFileInputStream(patched).use { it.copyTo(os); os.close() }
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} catch (e: IOException) {
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console.add("! Failed to output to $destFile")
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Timber.e(e)
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return false
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}
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patched.delete()
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console.add("")
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console.add("****************************")
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console.add(" Output file is placed in ")
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console.add(" $destFile ")
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console.add("****************************")
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"run_migrations".sh()
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return true
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}
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@ -366,8 +355,7 @@ abstract class MagiskInstallImpl : KoinComponent {
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private fun String.fsh() = ShellUtils.fastCmd(this)
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private fun Array<String>.fsh() = ShellUtils.fastCmd(*this)
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protected fun doPatchFile(patchFile: Uri) =
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extractZip() && handleFile(patchFile) && patchBoot() && storeBoot()
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protected fun doPatchFile(patchFile: Uri) = extractZip() && handleFile(patchFile)
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protected fun direct() = findImage() && extractZip() && patchBoot() && flashBoot()
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