MarcoBuster/Magisk
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Add a suffix to magisk_patched.img

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prevent it from being used as input file
This commit is contained in:
vvb2060 2020-12-19 21:53:16 -08:00 committed by topjohnwu
parent 0b4dd63d36
commit 3e91567636
1 changed files with 25 additions and 6 deletions
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31
app/src/main/java/com/topjohnwu/magisk/core/tasks/MagiskInstaller.kt
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@ -8,6 +8,7 @@ import android.widget.Toast
import androidx.annotation.WorkerThread
import androidx.core.os.postDelayed
import androidx.localbroadcastmanager.content.LocalBroadcastManager
import com.topjohnwu.magisk.BuildConfig
import com.topjohnwu.magisk.R
import com.topjohnwu.magisk.core.Config
import com.topjohnwu.magisk.core.Info
@ -41,6 +42,8 @@ import org.koin.core.inject
import timber.log.Timber
import java.io.*
import java.nio.ByteBuffer
import java.security.SecureRandom
import java.util.*
import java.util.zip.ZipEntry
import java.util.zip.ZipInputStream
@ -108,6 +111,8 @@ abstract class MagiskInstallImpl : KoinComponent {
}
console.add("- Device platform: " + Build.CPU_ABI)
console.add("- Magisk Manager: ${BuildConfig.VERSION_NAME} (${BuildConfig.VERSION_CODE})")
console.add("- Install target: ${Info.remote.magisk.version} (${Info.remote.magisk.versionCode})")
try {
ZipInputStream(zipUri.inputStream().buffered()).use { zi ->
@ -226,7 +231,7 @@ abstract class MagiskInstallImpl : KoinComponent {
private fun handleFile(uri: Uri): Boolean {
val outStream: OutputStream
val outFile: MediaStoreUtils.UriFile
var outFile: MediaStoreUtils.UriFile? = null
// Process input file
try {
@ -238,27 +243,40 @@ abstract class MagiskInstallImpl : KoinComponent {
return false
}
src.reset()
val alpha = "abcdefghijklmnopqrstuvwxyz"
val alphaNum = "$alpha${alpha.toUpperCase(Locale.ROOT)}0123456789"
val random = SecureRandom()
val suffix = StringBuilder()
for (i in 1..5) {
suffix.append(alphaNum[random.nextInt(alphaNum.length)])
}
val filename = "magisk_patched_$suffix"
outStream = if (magic.contentEquals("ustar".toByteArray())) {
outFile = MediaStoreUtils.getFile("magisk_patched.tar")
handleTar(src, outFile.uri.outputStream())
outFile = MediaStoreUtils.getFile("$filename.tar")
handleTar(src, outFile!!.uri.outputStream())
} else {
// Raw image
srcBoot = File(installDir, "boot.img").path
console.add("- Copying image to cache")
FileOutputStream(srcBoot).use { src.copyTo(it) }
outFile = MediaStoreUtils.getFile("magisk_patched.img")
outFile.uri.outputStream()
outFile = MediaStoreUtils.getFile("$filename.img")
outFile!!.uri.outputStream()
}
}
} catch (e: IOException) {
console.add("! Process error")
outFile?.delete()
Timber.e(e)
return false
}
// Patch file
if (!patchBoot())
if (!patchBoot()) {
outFile!!.delete()
return false
}
// Output file
try {
@ -277,6 +295,7 @@ abstract class MagiskInstallImpl : KoinComponent {
console.add("****************************")
} catch (e: IOException) {
console.add("! Failed to output to $outFile")
outFile!!.delete()
Timber.e(e)
return false
}