jzy/TEESimulator-RS
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chore(debug): move diagnostic dumps to subfolder

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The debug-only .bin dumps wrote loose into /data/local/tmp, cluttering a
directory shared with every other tool. Route both writers through a
shared DIAGNOSTIC_DIR (/data/local/tmp/teesim) with mkdir-on-write, and
extend the release purge to sweep the new folder plus any loose leftovers
from older debug installs.
This commit is contained in:
Enginex0
2026-06-04 19:05:26 +01:00
parent b90af0b716
commit 7f33bd737d
3 changed files with 19 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
app/src/main/java/org/matrix/TEESimulator/App.kt
+8 -1
View File
@@ -12,6 +12,7 @@ import org.bouncycastle.jce.provider.BouncyCastleProvider
import org.matrix.TEESimulator.config.BootStateManager
import org.matrix.TEESimulator.config.ConfigurationManager
import org.matrix.TEESimulator.interception.keystore.AbstractKeystoreInterceptor
import org.matrix.TEESimulator.interception.keystore.InterceptorUtils
import org.matrix.TEESimulator.interception.keystore.Keystore2Interceptor
import org.matrix.TEESimulator.interception.keystore.KeystoreInterceptor
import org.matrix.TEESimulator.logging.SystemLogger
@@ -80,6 +81,10 @@ object App {
*/
private fun purgeDebugDiagnostics() {
if (SystemLogger.isDebugBuild) return
purgeStale(File(InterceptorUtils.DIAGNOSTIC_DIR), InterceptorUtils.DIAGNOSTIC_DIR) { name ->
name.startsWith("teesim-") && name.endsWith(".bin")
}
// Older debug installs wrote the dumps loose in /data/local/tmp; sweep those too.
purgeStale(File("/data/local/tmp"), "/data/local/tmp") { name ->
name.startsWith("teesim-") && name.endsWith(".bin")
}
@@ -88,7 +93,9 @@ object App {
}
}
/** Deletes matching files in [dir], logging a single once-per-boot audit line if any existed. */
/**
* Deletes matching files in [dir], logging a single once-per-boot audit line if any existed.
*/
private fun purgeStale(dir: File, label: String, matches: (String) -> Boolean) {
val stale = dir.listFiles { _, name -> matches(name) } ?: return
if (stale.isEmpty()) return
app/src/main/java/org/matrix/TEESimulator/interception/keystore/InterceptorUtils.kt
+9 -2
View File
@@ -17,6 +17,13 @@ data class KeyIdentifier(val uid: Int, val alias: String)
/** A collection of utility functions to support binder interception. */
object InterceptorUtils {
/**
* Dedicated subfolder for the debug-only diagnostic `.bin` dumps. Keeping them out of the
* world-readable `/data/local/tmp` root means they no longer litter a directory shared with
* every other tool, and the release purge can sweep the whole folder in one shot.
*/
const val DIAGNOSTIC_DIR = "/data/local/tmp/teesim"
private const val EX_SERVICE_SPECIFIC = -8
private fun synthesizeSseMessage(errorCode: Int): String =
@@ -128,8 +135,8 @@ object InterceptorUtils {
val savedPos = parcel.dataPosition()
val wire = parcel.marshall()
parcel.setDataPosition(savedPos)
val path = "/data/local/tmp/teesim-$diagnosticTag.bin"
runCatching { java.io.File(path).writeBytes(wire) }
val path = "$DIAGNOSTIC_DIR/teesim-$diagnosticTag.bin"
runCatching { java.io.File(path).apply { parentFile?.mkdirs() }.writeBytes(wire) }
SystemLogger.debug("[$diagnosticTag] reply len=${wire.size} path=$path")
}
return BinderInterceptor.TransactionResult.OverrideReply(parcel)
app/src/main/java/org/matrix/TEESimulator/interception/keystore/shim/KeyMintSecurityLevelInterceptor.kt
+2 -2
View File
@@ -531,8 +531,8 @@ class KeyMintSecurityLevelInterceptor(
val req = data.marshall()
data.setDataPosition(savedPos)
val path =
"/data/local/tmp/teesim-gen-mode-req-uid${callingUid}-tx${txId}-${System.nanoTime()}.bin"
runCatching { java.io.File(path).writeBytes(req) }
"${InterceptorUtils.DIAGNOSTIC_DIR}/teesim-gen-mode-req-uid${callingUid}-tx${txId}-${System.nanoTime()}.bin"
runCatching { java.io.File(path).apply { parentFile?.mkdirs() }.writeBytes(req) }
SystemLogger.debug(
"[gen-mode-req] uid=$callingUid txId=$txId len=${req.size} path=$path"
)