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Install one single ABI in ramdisk

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topjohnwu
2024-03-31 22:01:22 -07:00
parent 30bf5c8448
commit fb5ee86615
10 changed files with 72 additions and 89 deletions
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46
app/src/main/java/com/topjohnwu/magisk/core/tasks/MagiskInstaller.kt
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@@ -1,6 +1,7 @@
package com.topjohnwu.magisk.core.tasks
import android.net.Uri
import android.os.Process
import android.system.ErrnoException
import android.system.Os
import android.system.OsConstants
@@ -105,40 +106,41 @@ abstract class MagiskInstallImpl protected constructor(
try {
// Extract binaries
if (isRunningAsStub) {
val zf = ZipFile(StubApk.current(context))
ZipFile(StubApk.current(context)).use { zf ->
zf.entries().asSequence().filter {
!it.isDirectory && it.name.startsWith("/lib/${Const.CPU_ABI}/")
}.forEach {
val n = it.name.substring(it.name.lastIndexOf('/') + 1)
val name = n.substring(3, n.length - 3)
val dest = File(installDir, name)
zf.getInputStream(it).writeTo(dest)
dest.setExecutable(true)
}
// Also extract magisk32 on non 64-bit only 64-bit devices
val is32lib = Const.CPU_ABI_32?.let {
{ entry: ZipEntry -> entry.name == "lib/$it/libmagisk32.so" }
} ?: { false }
zf.entries().asSequence().filter {
!it.isDirectory && (it.name.startsWith("lib/${Const.CPU_ABI}/") || is32lib(it))
}.forEach {
val n = it.name.substring(it.name.lastIndexOf('/') + 1)
val name = n.substring(3, n.length - 3)
val dest = File(installDir, name)
zf.getInputStream(it).writeTo(dest)
dest.setExecutable(true)
val abi32 = Const.CPU_ABI_32
if (Process.is64Bit() && abi32 != null) {
val magisk32 = File(installDir, "magisk32")
zf.getInputStream(ZipEntry("lib/$abi32/libmagisk.so")).writeTo(magisk32)
magisk32.setExecutable(true)
}
}
zf.close()
} else {
val info = context.applicationInfo
var libs = File(info.nativeLibraryDir).listFiles { _, name ->
name.startsWith("lib") && name.endsWith(".so")
} ?: emptyArray()
// Also symlink magisk32 on non 64-bit only 64-bit devices
val lib32 = info.javaClass.getDeclaredField("secondaryNativeLibraryDir")
.get(info) as String?
if (lib32 != null) {
libs += File(lib32, "libmagisk32.so")
}
for (lib in libs) {
val name = lib.name.substring(3, lib.name.length - 3)
Os.symlink(lib.path, "$installDir/$name")
}
// Also symlink magisk32 on 64-bit devices that supports 32-bit
val lib32 = info.javaClass.getDeclaredField("secondaryNativeLibraryDir")
.get(info) as String?
if (lib32 != null) {
Os.symlink("$lib32/libmagisk.so", "$installDir/magisk32");
}
}
// Extract scripts