switch TelecomManager List getters to ParceledListSlice
It was shown that given a large phoneAccountHandles that are
over 1 mb, a TransactionTooLarge exception can be silently thrown
causing an empty list to be returned.
In order to prevent this behavior, all Lists that return a
PhoneAccountHandle or PhoneAccount have been switched to
ParceledListSlice.
bug: 236263294
Test: atest android.telecom.cts.PhoneAccountRegistrarTest
#testRegisterPhoneAccountHandleWithFieldOverLimit
Change-Id: Ibc3814dabd59cf9f0f9505b88f2146a4c3c5e015
Merged-In: Ibc3814dabd59cf9f0f9505b88f2146a4c3c5e015
diff --git a/src/com/android/server/telecom/TelecomServiceImpl.java b/src/com/android/server/telecom/TelecomServiceImpl.java
index 86d5ebc..60abf04 100644
--- a/src/com/android/server/telecom/TelecomServiceImpl.java
+++ b/src/com/android/server/telecom/TelecomServiceImpl.java
@@ -40,6 +40,7 @@
import android.content.PermissionChecker;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
+import android.content.pm.ParceledListSlice;
import android.content.pm.ResolveInfo;
import android.net.Uri;
import android.os.Binder;
@@ -190,25 +191,26 @@
}
@Override
- public List<PhoneAccountHandle> getCallCapablePhoneAccounts(
+ public ParceledListSlice<PhoneAccountHandle> getCallCapablePhoneAccounts(
boolean includeDisabledAccounts, String callingPackage, String callingFeatureId) {
try {
Log.startSession("TSI.gCCPA");
if (includeDisabledAccounts &&
!canReadPrivilegedPhoneState(
callingPackage, "getCallCapablePhoneAccounts")) {
- return Collections.emptyList();
+ return ParceledListSlice.emptyList();
}
if (!canReadPhoneState(callingPackage, callingFeatureId,
"getCallCapablePhoneAccounts")) {
- return Collections.emptyList();
+ return ParceledListSlice.emptyList();
}
synchronized (mLock) {
final UserHandle callingUserHandle = Binder.getCallingUserHandle();
long token = Binder.clearCallingIdentity();
try {
- return mPhoneAccountRegistrar.getCallCapablePhoneAccounts(null,
- includeDisabledAccounts, callingUserHandle);
+ return new ParceledListSlice<>(
+ mPhoneAccountRegistrar.getCallCapablePhoneAccounts(null,
+ includeDisabledAccounts, callingUserHandle));
} catch (Exception e) {
Log.e(this, e, "getCallCapablePhoneAccounts");
throw e;
@@ -222,8 +224,8 @@
}
@Override
- public List<PhoneAccountHandle> getSelfManagedPhoneAccounts(String callingPackage,
- String callingFeatureId) {
+ public ParceledListSlice<PhoneAccountHandle> getSelfManagedPhoneAccounts(
+ String callingPackage, String callingFeatureId) {
try {
Log.startSession("TSI.gSMPA");
if (!canReadPhoneState(callingPackage, callingFeatureId,
@@ -234,8 +236,8 @@
final UserHandle callingUserHandle = Binder.getCallingUserHandle();
long token = Binder.clearCallingIdentity();
try {
- return mPhoneAccountRegistrar.getSelfManagedPhoneAccounts(
- callingUserHandle);
+ return new ParceledListSlice<>(mPhoneAccountRegistrar
+ .getSelfManagedPhoneAccounts(callingUserHandle));
} catch (Exception e) {
Log.e(this, e, "getSelfManagedPhoneAccounts");
throw e;
@@ -249,8 +251,8 @@
}
@Override
- public List<PhoneAccountHandle> getPhoneAccountsSupportingScheme(String uriScheme,
- String callingPackage) {
+ public ParceledListSlice<PhoneAccountHandle> getPhoneAccountsSupportingScheme(
+ String uriScheme, String callingPackage) {
try {
Log.startSession("TSI.gPASS");
try {
@@ -259,15 +261,16 @@
} catch (SecurityException e) {
EventLog.writeEvent(0x534e4554, "62347125", Binder.getCallingUid(),
"getPhoneAccountsSupportingScheme: " + callingPackage);
- return Collections.emptyList();
+ return ParceledListSlice.emptyList();
}
synchronized (mLock) {
final UserHandle callingUserHandle = Binder.getCallingUserHandle();
long token = Binder.clearCallingIdentity();
try {
- return mPhoneAccountRegistrar.getCallCapablePhoneAccounts(uriScheme, false,
- callingUserHandle);
+ return new ParceledListSlice<>(mPhoneAccountRegistrar
+ .getCallCapablePhoneAccounts(uriScheme, false,
+ callingUserHandle));
} catch (Exception e) {
Log.e(this, e, "getPhoneAccountsSupportingScheme %s", uriScheme);
throw e;
@@ -281,7 +284,8 @@
}
@Override
- public List<PhoneAccountHandle> getPhoneAccountsForPackage(String packageName) {
+ public ParceledListSlice<PhoneAccountHandle> getPhoneAccountsForPackage(
+ String packageName) {
//TODO: Deprecate this in S
try {
enforceCallingPackage(packageName);
@@ -304,8 +308,8 @@
long token = Binder.clearCallingIdentity();
try {
Log.startSession("TSI.gPAFP");
- return mPhoneAccountRegistrar.getPhoneAccountsForPackage(packageName,
- callingUserHandle);
+ return new ParceledListSlice<>(mPhoneAccountRegistrar
+ .getPhoneAccountsForPackage(packageName, callingUserHandle));
} catch (Exception e) {
Log.e(this, e, "getPhoneAccountsForPackage %s", packageName);
throw e;
@@ -368,7 +372,7 @@
synchronized (mLock) {
try {
// This list is pre-filtered for the calling user.
- return getAllPhoneAccounts().size();
+ return getAllPhoneAccounts().getList().size();
} catch (Exception e) {
Log.e(this, e, "getAllPhoneAccountsCount");
throw e;
@@ -381,7 +385,7 @@
}
@Override
- public List<PhoneAccount> getAllPhoneAccounts() {
+ public ParceledListSlice<PhoneAccount> getAllPhoneAccounts() {
synchronized (mLock) {
try {
Log.startSession("TSI.gAPA");
@@ -397,7 +401,8 @@
final UserHandle callingUserHandle = Binder.getCallingUserHandle();
long token = Binder.clearCallingIdentity();
try {
- return mPhoneAccountRegistrar.getAllPhoneAccounts(callingUserHandle);
+ return new ParceledListSlice<>(mPhoneAccountRegistrar
+ .getAllPhoneAccounts(callingUserHandle));
} catch (Exception e) {
Log.e(this, e, "getAllPhoneAccounts");
throw e;
@@ -411,7 +416,7 @@
}
@Override
- public List<PhoneAccountHandle> getAllPhoneAccountHandles() {
+ public ParceledListSlice<PhoneAccountHandle> getAllPhoneAccountHandles() {
try {
Log.startSession("TSI.gAPAH");
try {
@@ -427,7 +432,8 @@
final UserHandle callingUserHandle = Binder.getCallingUserHandle();
long token = Binder.clearCallingIdentity();
try {
- return mPhoneAccountRegistrar.getAllPhoneAccountHandles(callingUserHandle);
+ return new ParceledListSlice<>(mPhoneAccountRegistrar
+ .getAllPhoneAccountHandles(callingUserHandle));
} catch (Exception e) {
Log.e(this, e, "getAllPhoneAccounts");
throw e;
diff --git a/tests/src/com/android/server/telecom/tests/TelecomServiceImplTest.java b/tests/src/com/android/server/telecom/tests/TelecomServiceImplTest.java
index 3cec50b..d6eadbb 100644
--- a/tests/src/com/android/server/telecom/tests/TelecomServiceImplTest.java
+++ b/tests/src/com/android/server/telecom/tests/TelecomServiceImplTest.java
@@ -390,9 +390,11 @@
makeAccountsVisibleToAllUsers(TEL_PA_HANDLE_16, SIP_PA_HANDLE_17);
assertEquals(fullPHList,
- mTSIBinder.getCallCapablePhoneAccounts(true, DEFAULT_DIALER_PACKAGE, null));
+ mTSIBinder.getCallCapablePhoneAccounts(
+ true, DEFAULT_DIALER_PACKAGE, null).getList());
assertEquals(smallPHList,
- mTSIBinder.getCallCapablePhoneAccounts(false, DEFAULT_DIALER_PACKAGE, null));
+ mTSIBinder.getCallCapablePhoneAccounts(
+ false, DEFAULT_DIALER_PACKAGE, null).getList());
}
@SmallTest
@@ -407,7 +409,7 @@
List<PhoneAccountHandle> result = null;
try {
- result = mTSIBinder.getCallCapablePhoneAccounts(true, "", null);
+ result = mTSIBinder.getCallCapablePhoneAccounts(true, "", null).getList();
} catch (SecurityException e) {
// intended behavior
}
@@ -435,9 +437,11 @@
makeAccountsVisibleToAllUsers(TEL_PA_HANDLE_16, SIP_PA_HANDLE_17);
assertEquals(telPHList,
- mTSIBinder.getPhoneAccountsSupportingScheme("tel", DEFAULT_DIALER_PACKAGE));
+ mTSIBinder.getPhoneAccountsSupportingScheme(
+ "tel", DEFAULT_DIALER_PACKAGE).getList());
assertEquals(sipPHList,
- mTSIBinder.getPhoneAccountsSupportingScheme("sip", DEFAULT_DIALER_PACKAGE));
+ mTSIBinder.getPhoneAccountsSupportingScheme(
+ "sip", DEFAULT_DIALER_PACKAGE).getList());
}
@SmallTest
@@ -453,7 +457,7 @@
makeAccountsVisibleToAllUsers(TEL_PA_HANDLE_16, SIP_PA_HANDLE_17);
assertEquals(phoneAccountHandleList,
mTSIBinder.getPhoneAccountsForPackage(
- TEL_PA_HANDLE_16.getComponentName().getPackageName()));
+ TEL_PA_HANDLE_16.getComponentName().getPackageName()).getList());
}
@SmallTest
@@ -476,7 +480,7 @@
when(mFakePhoneAccountRegistrar.getAllPhoneAccounts(any(UserHandle.class)))
.thenReturn(phoneAccountList);
- assertEquals(2, mTSIBinder.getAllPhoneAccounts().size());
+ assertEquals(2, mTSIBinder.getAllPhoneAccounts().getList().size());
}
@SmallTest