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Remove randomness from Magisk

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topjohnwu
2023-06-14 17:05:49 -07:00
parent 9d6f6764cb
commit d7d0a44693
7 changed files with 19 additions and 58 deletions
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27
app/src/main/java/com/topjohnwu/magisk/core/su/SuRequestHandler.kt
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@@ -57,31 +57,36 @@ class SuRequestHandler(
runCatching { output.close() }
}
private suspend fun init(intent: Intent) = withContext(Dispatchers.IO) {
private suspend fun init(intent: Intent): Boolean {
val uid = intent.getIntExtra("uid", -1)
if (uid <= 0) {
return false;
}
policy = SuPolicy(uid)
val pid = intent.getIntExtra("pid", -1)
if (pid <= 0) {
return false;
}
val fifo = intent.getStringExtra("fifo") ?: "/dev/socket/magisk_su_request_$pid"
try {
val fifo = intent.getStringExtra("fifo") ?: throw IOException("fifo == null")
output = DataOutputStream(FileOutputStream(fifo))
val uid = intent.getIntExtra("uid", -1)
if (uid <= 0) {
throw IOException("uid == $uid")
}
policy = SuPolicy(uid)
val pid = intent.getIntExtra("pid", -1)
try {
pkgInfo = pm.getPackageInfo(uid, pid) ?: PackageInfo().apply {
val name = pm.getNameForUid(uid) ?: throw PackageManager.NameNotFoundException()
// We only fill in sharedUserId and leave other fields uninitialized
sharedUserId = name.split(":")[0]
}
return@withContext true
} catch (e: PackageManager.NameNotFoundException) {
Timber.e(e)
respond(SuPolicy.DENY, -1)
return@withContext false
return false
}
return true
} catch (e: IOException) {
Timber.e(e)
close()
return@withContext false
return false
}
}