IFAAService: Add null checks

Change-Id: Ia26b799b29d0d3157253512497160c48c877e7f9
This commit is contained in:
Sebastiano Barezzi 2024-08-06 23:47:44 +02:00
parent 7f7694a3a2
commit a4fc6b4e5e
No known key found for this signature in database
GPG Key ID: 763BD3AE91A7A13F
3 changed files with 184 additions and 208 deletions

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@ -7,7 +7,7 @@
android_app { android_app {
name: "IFAAService", name: "IFAAService",
srcs: [ srcs: [
"src/**/*.java", "src/**/*.kt",
"src/**/*.aidl", "src/**/*.aidl",
], ],
aidl: { aidl: {

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@ -1,207 +0,0 @@
/*
* Copyright (C) 2022 The LineageOS Project
*
* SPDX-License-Identifier: Apache-2.0
*/
package org.ifaa.aidl.manager;
import android.app.KeyguardManager;
import android.app.Service;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.hardware.fingerprint.Fingerprint;
import android.hardware.fingerprint.FingerprintManager;
import android.os.Build;
import android.os.IBinder;
import android.os.RemoteException;
import android.os.SystemProperties;
import android.util.Log;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.List;
import org.ifaa.aidl.manager.IfaaManagerService;
import org.json.JSONObject;
import org.json.JSONException;
import vendor.xiaomi.hardware.mlipay.V1_1.IMlipayService;
public class IfaaService extends Service {
private static final String LOG_TAG = IfaaService.class.getSimpleName();
private static final int AUTH_TYPE_NOT_SUPPORT = 0;
private static final int AUTH_TYPE_FINGERPRINT = 1;
private static final int AUTH_TYPE_IRIS = 1<<1;
private static final int AUTH_TYPE_OPTICAL_FINGERPRINT = 1<<4;
private static final int ACTIVITY_START_SUCCESS = 0;
private static final int ACTIVITY_START_FAILED = -1;
private IMlipayService mMlipayService = null;
private final IBinder mIFAABinder = new IfaaServiceStub(this);
private final class IfaaServiceStub extends IfaaManagerService.Stub {
IfaaServiceStub(IfaaService ifaaService) {
new WeakReference(ifaaService);
}
@Override
public int getSupportBIOTypes() {
int ifaaProp = SystemProperties.getInt("persist.vendor.sys.pay.ifaa", 0);
String fpVendor = SystemProperties.get("persist.vendor.sys.fp.vendor", "");
int res = "none".equalsIgnoreCase(fpVendor) ?
ifaaProp & AUTH_TYPE_IRIS :
ifaaProp & (AUTH_TYPE_FINGERPRINT | AUTH_TYPE_IRIS);
if ((res & AUTH_TYPE_FINGERPRINT) == AUTH_TYPE_FINGERPRINT &&
SystemProperties.getBoolean("ro.hardware.fp.udfps", false)) {
res |= AUTH_TYPE_OPTICAL_FINGERPRINT;
}
return res;
}
@Override
public int startBIOManager(int authType) {
int res = ACTIVITY_START_FAILED;
if (authType == AUTH_TYPE_FINGERPRINT) {
Intent intent = new Intent("android.settings.SECURITY_SETTINGS");
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
getApplicationContext().startActivity(intent);
res = ACTIVITY_START_SUCCESS;
}
return res;
}
@Override
public String getDeviceModel() {
return Build.MANUFACTURER + "-" + Build.DEVICE;
}
@Override
public byte[] processCmd(byte[] param) {
IMlipayService mlipayService = getMlipayService();
if (mlipayService == null) {
Log.e(LOG_TAG, "Failed to open mlipay HAL");
return null;
}
ArrayList<Byte> paramByteArray = new ArrayList<Byte>();
for (byte b : param) {
paramByteArray.add(Byte.valueOf(b));
}
byte[] receiveBuffer = null;
try {
ArrayList<Byte> receiveBufferByteArray = mlipayService.invoke_command(paramByteArray,
paramByteArray.size());
receiveBuffer = new byte[receiveBufferByteArray.size()];
for (int i = 0; i < receiveBufferByteArray.size(); i++) {
receiveBuffer[i] = receiveBufferByteArray.get(i).byteValue();
}
} catch (RemoteException e) {
Log.e(LOG_TAG, "processCmdImpl: mlipay invoke_command failed", e);
}
return receiveBuffer;
}
@Override
public int getVersion() {
return 4;
}
@Override
public String getExtInfo(int authType, String keyExtInfo) {
return initExtString();
}
@Override
public void setExtInfo(int authType, String keyExtInfo, String valExtInfo) {
// nothing
}
@Override
public int getEnabled(int bioType) {
return 1 == bioType ? 1000 : 1003;
}
@Override
public int[] getIDList(int bioType) {
int[] idList = new int[0];
IMlipayService mlipayService = getMlipayService();
if (mlipayService == null) {
Log.e(LOG_TAG, "getIDListImpl: Failed to open mlipay HAL");
return idList;
}
try {
ArrayList<Integer> idListAL = mlipayService.ifaa_get_idlist(bioType);
idList = new int[idListAL.size()];
for (int i = 0; i < idListAL.size(); i++) {
idList[i] = idListAL.get(i).intValue();
}
} catch (RemoteException e) {
Log.e(LOG_TAG, "getIDListImpl: mlipay ifaa_get_idlist failed", e);
}
return idList;
}
};
@Override // android.app.Service
public IBinder onBind(Intent intent) {
return this.mIFAABinder;
}
// Utils
private IMlipayService getMlipayService() {
if (mMlipayService == null) {
try {
mMlipayService = IMlipayService.getService();
} catch (RemoteException e) {
// do nothing
}
}
return mMlipayService;
}
private String initExtString() {
JSONObject obj = new JSONObject();
JSONObject keyInfo = new JSONObject();
String xy = SystemProperties.get("persist.vendor.sys.fp.udfps.location.X_Y", "");
String wh = SystemProperties.get("persist.vendor.sys.fp.udfps.size.width_height", "");
try {
if (!validateVal(xy) || !validateVal(wh)) {
Log.e(LOG_TAG, "initExtString: invalidate, xy: " + xy + ", wh: " + wh);
return "";
}
String[] split = xy.split(",");
String[] split2 = wh.split(",");
keyInfo.put("startX", Integer.parseInt(split[0]));
keyInfo.put("startY", Integer.parseInt(split[1]));
keyInfo.put("width", Integer.parseInt(split2[0]));
keyInfo.put("height", Integer.parseInt(split2[1]));
keyInfo.put("navConflict", true);
obj.put("type", 0);
obj.put("fullView", keyInfo);
return obj.toString();
} catch (Exception e) {
Log.e(LOG_TAG, "initExtString: Exception, xy: " + xy + ", wh: " + wh, e);
return "";
}
}
private boolean validateVal(String str) {
return !"".equalsIgnoreCase(str) && str.contains(",");
}
}

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@ -0,0 +1,183 @@
/*
* SPDX-FileCopyrightText: 2022-2024 The LineageOS Project
* SPDX-License-Identifier: Apache-2.0
*/
package org.ifaa.aidl.manager
import android.app.Service
import android.content.Intent
import android.os.Build
import android.os.IHwBinder
import android.os.SystemProperties
import android.provider.Settings
import android.util.Log
import org.ifaa.aidl.manager.IfaaManagerService
import org.json.JSONObject
import vendor.xiaomi.hardware.mlipay.V1_1.IMlipayService
class IfaaService : Service() {
private var _mlipayService: IMlipayService? = null
private val mlipayServiceDeathRecipient = IHwBinder.DeathRecipient {
Log.i(LOG_TAG, "mlipay service died")
_mlipayService = null
}
private val mBinder = object : IfaaManagerService.Stub() {
override fun getSupportBIOTypes(): Int {
val fpVendor = SystemProperties.get(FP_VENDOR_PROP, "")
val isUdfps = SystemProperties.getBoolean(IS_UDFPS_PROP, false)
val supportedBioMask = when (!invalidFpVendors.contains(fpVendor.lowercase())) {
true -> AUTH_TYPE_FINGERPRINT or AUTH_TYPE_IRIS
else -> AUTH_TYPE_IRIS
}
val ifaaProp = SystemProperties.getInt(
SUPPORTED_BIO_MASK_PROP, 0
) and supportedBioMask or when (isUdfps) {
true -> AUTH_TYPE_OPTICAL_FINGERPRINT
else -> 0
}
return ifaaProp
}
override fun startBIOManager(authType: Int) = when (authType) {
AUTH_TYPE_FINGERPRINT -> {
val intent = Intent(Settings.ACTION_SECURITY_SETTINGS).apply {
addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
}
applicationContext.startActivity(intent)
COMMAND_OK
}
else -> COMMAND_FAIL
}
override fun getDeviceModel() = "${Build.MANUFACTURER}-${Build.DEVICE}"
override fun processCmd(param: ByteArray) = getMlipayService()?.let { mlipayService ->
var receiveBuffer: ByteArray? = null
val paramByteArray = ArrayList<Byte>().apply {
for (byte in param) {
add(byte)
}
}
try {
val receiveBufferByteArray = mlipayService.invoke_command(
paramByteArray, paramByteArray.size
)
receiveBuffer = receiveBufferByteArray.toByteArray()
} catch (e: Exception) {
Log.e(LOG_TAG, "processCmdImpl: mlipay invoke_command failed", e)
}
receiveBuffer
}
override fun getVersion() = 4
override fun getExtInfo(authType: Int, keyExtInfo: String) = initExtString()
override fun setExtInfo(authType: Int, keyExtInfo: String, valExtInfo: String) {
// Do nothing
}
override fun getEnabled(bioType: Int) = when (bioType) {
AUTH_TYPE_FINGERPRINT -> BIOMETRICS_AVAILABLE
else -> SCREEN_LOCK_NONE
}
override fun getIDList(bioType: Int): IntArray {
var idList = IntArray(0)
getMlipayService()?.let { mlipayService ->
try {
val idListAL = mlipayService.ifaa_get_idlist(bioType)
idList = idListAL.toIntArray()
} catch (e: Exception) {
Log.e(LOG_TAG, "getIDListImpl: mlipay ifaa_get_idlist failed", e)
}
}
return idList
}
}
override fun onBind(intent: Intent) = mBinder
private fun getMlipayService() = _mlipayService ?: runCatching {
IMlipayService.getService(true)
}.onSuccess {
_mlipayService = it
it.linkToDeath(mlipayServiceDeathRecipient, 0)
}.getOrNull()
private fun initExtString(): String {
val obj = JSONObject()
val keyInfo = JSONObject()
val xy = SystemProperties.get(UDFPS_LOCATION_X_Y_PROP, "")
val wh = SystemProperties.get(UDFPS_SIZE_W_H_PROP, "")
try {
if (!validateVal(xy) || !validateVal(wh)) {
Log.e(LOG_TAG, "initExtString: invalidate, xy: $xy, wh: $wh")
return ""
}
val split = xy.split(",")
val split2 = wh.split(",")
keyInfo.put("startX", split[0].toInt())
keyInfo.put("startY", split[1].toInt())
keyInfo.put("width", split2[0].toInt())
keyInfo.put("height", split2[1].toInt())
keyInfo.put("navConflict", true)
obj.put("type", 0)
obj.put("fullView", keyInfo)
return obj.toString()
} catch (e: Exception) {
Log.e(LOG_TAG, "initExtString: Exception, xy: $xy, wh: $wh", e)
return ""
}
}
private fun validateVal(str: String) = !"".equals(str, ignoreCase = true) && str.contains(",")
companion object {
private val LOG_TAG = IfaaService::class.simpleName!!
private const val AUTH_TYPE_NOT_SUPPORT = 0
private const val AUTH_TYPE_FINGERPRINT = 1
private const val AUTH_TYPE_IRIS = 1.shl(1)
private const val AUTH_TYPE_OPTICAL_FINGERPRINT = 1.shl(2)
private const val BIOMETRICS_AVAILABLE = 1000
private const val SCREEN_LOCK_NONE = 1003
private const val COMMAND_OK = 0
private const val COMMAND_FAIL = -1
private const val SUPPORTED_BIO_MASK_PROP = "persist.vendor.sys.pay.ifaa"
private const val FP_VENDOR_PROP = "persist.vendor.sys.fp.vendor"
private const val IS_UDFPS_PROP = "ro.hardware.fp.udfps"
private const val UDFPS_LOCATION_X_Y_PROP = "persist.vendor.sys.fp.udfps.location.X_Y"
private const val UDFPS_SIZE_W_H_PROP = "persist.vendor.sys.fp.udfps.size.width_height"
private val invalidFpVendors = arrayOf(
"",
"none",
)
}
}