Fix NPE when querying SimPhonebookProvider with null projection
The elementary files item Uri did not check if the projecion was null.
Also add null checks for some other possibly null values.
Test: atest TeleServiceTests:SimPhonebookProviderTest
Bug: 154363919
Change-Id: I99c289bd1cfd6b82c1e79f77df95e7fdd651e7c1
diff --git a/src/com/android/phone/SimPhonebookProvider.java b/src/com/android/phone/SimPhonebookProvider.java
index 7a1e93c..6a27130 100644
--- a/src/com/android/phone/SimPhonebookProvider.java
+++ b/src/com/android/phone/SimPhonebookProvider.java
@@ -59,6 +59,7 @@
import java.util.Arrays;
import java.util.LinkedHashSet;
import java.util.List;
+import java.util.Objects;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.Lock;
@@ -295,6 +296,9 @@
private Cursor queryElementaryFilesItem(PhonebookArgs args, String[] projection) {
validateProjection(ELEMENTARY_FILES_COLUMNS_SET, projection);
+ if (projection == null) {
+ projection = ELEMENTARY_FILES_ALL_COLUMNS;
+ }
MatrixCursor result = new MatrixCursor(projection);
try {
@@ -641,8 +645,8 @@
}
private boolean hasPermissionsForFdnWrite(PhonebookArgs args) {
- TelephonyManager telephonyManager = getContext().getSystemService(
- TelephonyManager.class);
+ TelephonyManager telephonyManager = Objects.requireNonNull(
+ getContext().getSystemService(TelephonyManager.class));
String callingPackage = getCallingPackage();
int granted = PackageManager.PERMISSION_DENIED;
if (callingPackage != null) {
@@ -701,7 +705,12 @@
String name = values.getAsString(SimRecords.NAME);
int length = getEncodedNameLength(name);
- int maxLength = AdnRecord.getMaxAlphaTagBytes(getRecordSize(getRecordsSizeForEf(args)));
+ int[] recordsSize = getRecordsSizeForEf(args);
+ if (recordsSize == null) {
+ throw new IllegalStateException(
+ "Failed to get " + ElementaryFiles.NAME_MAX_LENGTH + " from SIM");
+ }
+ int maxLength = AdnRecord.getMaxAlphaTagBytes(getRecordSize(recordsSize));
if (length > maxLength) {
throw new IllegalArgumentException(SimRecords.NAME + " is too long.");
@@ -740,7 +749,7 @@
private AdnRecord loadRecord(PhonebookArgs args) {
List<AdnRecord> records = loadRecordsForEf(args);
- if (args.recordNumber > records.size()) {
+ if (records == null || args.recordNumber > records.size()) {
return null;
}
AdnRecord result = records.get(args.recordNumber - 1);
diff --git a/tests/src/com/android/phone/SimPhonebookProviderTest.java b/tests/src/com/android/phone/SimPhonebookProviderTest.java
index 8778529..4ab92a7 100644
--- a/tests/src/com/android/phone/SimPhonebookProviderTest.java
+++ b/tests/src/com/android/phone/SimPhonebookProviderTest.java
@@ -118,6 +118,14 @@
@Test
public void query_entityFiles_returnsCursorWithCorrectProjection() {
+ // Null projection
+ try (Cursor cursor = mResolver.query(ElementaryFiles.CONTENT_URI, null, null,
+ null)) {
+ assertThat(Objects.requireNonNull(cursor).getColumnNames()).asList()
+ .containsExactlyElementsIn(
+ SimPhonebookProvider.ELEMENTARY_FILES_ALL_COLUMNS);
+ }
+
// Empty projection
try (Cursor cursor = mResolver.query(ElementaryFiles.CONTENT_URI, new String[0], null,
null)) {
@@ -211,18 +219,38 @@
}
@Test
+ public void query_entityFilesItem_nullProjection_returnsCursorWithCorrectProjection() {
+ setupSimsWithSubscriptionIds(1);
+ mIccPhoneBook.makeAllEfsSupported(1);
+
+ // Null projection
+ try (Cursor cursor = mResolver.query(ElementaryFiles.getItemUri(1, EF_ADN), null, null,
+ null)) {
+ assertThat(Objects.requireNonNull(cursor).getColumnNames()).asList()
+ .containsExactlyElementsIn(
+ SimPhonebookProvider.ELEMENTARY_FILES_ALL_COLUMNS);
+ }
+ }
+
+ @Test
public void query_adnRecords_returnsCursorWithMatchingProjection() {
setupSimsWithSubscriptionIds(1);
mIccPhoneBook.makeAllEfsSupported(1);
Uri contentAdn = SimRecords.getContentUri(1, EF_ADN);
+ // Null projection
+ try (Cursor cursor = mResolver.query(contentAdn, null, null, null)) {
+ assertThat(Objects.requireNonNull(cursor).getColumnNames()).asList()
+ .containsExactlyElementsIn(SimPhonebookProvider.SIM_RECORDS_ALL_COLUMNS);
+ }
+
// Empty projection
try (Cursor cursor = mResolver.query(contentAdn, new String[0], null, null)) {
assertThat(cursor).hasColumnNames();
}
// Single column
- try (Cursor cursor = mResolver.query(contentAdn, new String[] {
+ try (Cursor cursor = mResolver.query(contentAdn, new String[]{
SimRecords.PHONE_NUMBER
}, null, null)) {
assertThat(cursor).hasColumnNames(SimRecords.PHONE_NUMBER);
@@ -531,6 +559,20 @@
}
@Test
+ public void query_itemUriNullProjection_returnsCursorWithAllColumns() {
+ setupSimsWithSubscriptionIds(1);
+ mIccPhoneBook.makeAllEfsSupported(1);
+
+ try (Cursor cursor = mResolver.query(SimRecords.getItemUri(1, ElementaryFiles.EF_ADN, 1),
+ null, null, null)
+ ) {
+ assertThat(Objects.requireNonNull(
+ cursor).getColumnNames()).asList().containsExactlyElementsIn(
+ SimPhonebookProvider.SIM_RECORDS_ALL_COLUMNS);
+ }
+ }
+
+ @Test
public void query_itemUriEmptyRecord_returnsEmptyCursor() {
setupSimsWithSubscriptionIds(1);
mIccPhoneBook.setRecordsSize(1, IccConstants.EF_ADN, 1, 30);