Merge PPR2.181005.003 from pi-release-2 into pi-platform-release. (cd9440cc) · Commits · e / os / android_frameworks_base

core/java/android/database/sqlite/SQLiteDatabase.java

+2 −1

Original line number	Diff line number	Diff line
		@@ -1748,7 +1748,8 @@ public final class SQLiteDatabase extends SQLiteClosable {
		executeSql(sql, bindArgs);
		}

		private int executeSql(String sql, Object[] bindArgs) throws SQLException {
		/** {@hide} */
		public int executeSql(String sql, Object[] bindArgs) throws SQLException {
		acquireReference();
		try {
		final int statementType = DatabaseUtils.getSqlStatementType(sql);

core/java/android/database/sqlite/SQLiteQueryBuilder.java

+234 −34

Original line number	Diff line number	Diff line
		@@ -16,17 +16,25 @@

		package android.database.sqlite;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.content.ContentValues;
		import android.database.Cursor;
		import android.database.DatabaseUtils;
		import android.os.Build;
		import android.os.CancellationSignal;
		import android.os.OperationCanceledException;
		import android.provider.BaseColumns;
		import android.text.TextUtils;
		import android.util.Log;

		import libcore.util.EmptyArray;

		import java.util.Arrays;
		import java.util.Iterator;
		import java.util.Map;
		import java.util.Map.Entry;
		import java.util.Objects;
		import java.util.Set;
		import java.util.regex.Pattern;

		@@ -95,9 +103,6 @@ public class SQLiteQueryBuilder
		if (mWhereClause == null) {
		mWhereClause = new StringBuilder(inWhere.length() + 16);
		}
		if (mWhereClause.length() == 0) {
		mWhereClause.append('(');
		}
		mWhereClause.append(inWhere);
		}

		@@ -115,9 +120,6 @@ public class SQLiteQueryBuilder
		if (mWhereClause == null) {
		mWhereClause = new StringBuilder(inWhere.length() + 16);
		}
		if (mWhereClause.length() == 0) {
		mWhereClause.append('(');
		}
		DatabaseUtils.appendEscapedSQLString(mWhereClause, inWhere);
		}

		@@ -376,6 +378,11 @@ public class SQLiteQueryBuilder
		return null;
		}

		final String sql;
		final String unwrappedSql = buildQuery(
		projectionIn, selection, groupBy, having,
		sortOrder, limit);

		if (mStrict && selection != null && selection.length() > 0) {
		// Validate the user-supplied selection to detect syntactic anomalies
		// in the selection string that could indicate a SQL injection attempt.
		@@ -384,24 +391,166 @@ public class SQLiteQueryBuilder
		// originally specified. An attacker cannot create an expression that
		// would escape the SQL expression while maintaining balanced parentheses
		// in both the wrapped and original forms.
		String sqlForValidation = buildQuery(projectionIn, "(" + selection + ")", groupBy,

		// NOTE: The ordering of the below operations is important; we must
		// execute the wrapped query to ensure the untrusted clause has been
		// fully isolated.

		// Validate the unwrapped query
		db.validateSql(unwrappedSql, cancellationSignal); // will throw if query is invalid

		// Execute wrapped query for extra protection
		final String wrappedSql = buildQuery(projectionIn, wrap(selection), groupBy,
		having, sortOrder, limit);
		db.validateSql(sqlForValidation, cancellationSignal); // will throw if query is invalid
		sql = wrappedSql;
		} else {
		// Execute unwrapped query
		sql = unwrappedSql;
		}

		String sql = buildQuery(
		projectionIn, selection, groupBy, having,
		sortOrder, limit);

		final String[] sqlArgs = selectionArgs;
		if (Log.isLoggable(TAG, Log.DEBUG)) {
		Log.d(TAG, "Performing query: " + sql);
		if (Build.IS_DEBUGGABLE) {
		Log.d(TAG, sql + " with args " + Arrays.toString(sqlArgs));
		} else {
		Log.d(TAG, sql);
		}
		}
		return db.rawQueryWithFactory(
		mFactory, sql, selectionArgs,
		mFactory, sql, sqlArgs,
		SQLiteDatabase.findEditTable(mTables),
		cancellationSignal); // will throw if query is invalid
		}

		/**
		* Perform an update by combining all current settings and the
		* information passed into this method.
		*
		* @param db the database to update on
		* @param selection A filter declaring which rows to return,
		* formatted as an SQL WHERE clause (excluding the WHERE
		* itself). Passing null will return all rows for the given URL.
		* @param selectionArgs You may include ?s in selection, which
		* will be replaced by the values from selectionArgs, in order
		* that they appear in the selection. The values will be bound
		* as Strings.
		* @return the number of rows updated
		* @hide
		*/
		public int update(@NonNull SQLiteDatabase db, @NonNull ContentValues values,
		@Nullable String selection, @Nullable String[] selectionArgs) {
		Objects.requireNonNull(mTables, "No tables defined");
		Objects.requireNonNull(db, "No database defined");
		Objects.requireNonNull(values, "No values defined");

		final String sql;
		final String unwrappedSql = buildUpdate(values, selection);

		if (mStrict) {
		// Validate the user-supplied selection to detect syntactic anomalies
		// in the selection string that could indicate a SQL injection attempt.
		// The idea is to ensure that the selection clause is a valid SQL expression
		// by compiling it twice: once wrapped in parentheses and once as
		// originally specified. An attacker cannot create an expression that
		// would escape the SQL expression while maintaining balanced parentheses
		// in both the wrapped and original forms.

		// NOTE: The ordering of the below operations is important; we must
		// execute the wrapped query to ensure the untrusted clause has been
		// fully isolated.

		// Validate the unwrapped query
		db.validateSql(unwrappedSql, null); // will throw if query is invalid

		// Execute wrapped query for extra protection
		final String wrappedSql = buildUpdate(values, wrap(selection));
		sql = wrappedSql;
		} else {
		// Execute unwrapped query
		sql = unwrappedSql;
		}

		if (selectionArgs == null) {
		selectionArgs = EmptyArray.STRING;
		}
		final String[] rawKeys = values.keySet().toArray(EmptyArray.STRING);
		final int valuesLength = rawKeys.length;
		final Object[] sqlArgs = new Object[valuesLength + selectionArgs.length];
		for (int i = 0; i < sqlArgs.length; i++) {
		if (i < valuesLength) {
		sqlArgs[i] = values.get(rawKeys[i]);
		} else {
		sqlArgs[i] = selectionArgs[i - valuesLength];
		}
		}
		if (Log.isLoggable(TAG, Log.DEBUG)) {
		if (Build.IS_DEBUGGABLE) {
		Log.d(TAG, sql + " with args " + Arrays.toString(sqlArgs));
		} else {
		Log.d(TAG, sql);
		}
		}
		return db.executeSql(sql, sqlArgs);
		}

		/**
		* Perform a delete by combining all current settings and the
		* information passed into this method.
		*
		* @param db the database to delete on
		* @param selection A filter declaring which rows to return,
		* formatted as an SQL WHERE clause (excluding the WHERE
		* itself). Passing null will return all rows for the given URL.
		* @param selectionArgs You may include ?s in selection, which
		* will be replaced by the values from selectionArgs, in order
		* that they appear in the selection. The values will be bound
		* as Strings.
		* @return the number of rows deleted
		* @hide
		*/
		public int delete(@NonNull SQLiteDatabase db, @Nullable String selection,
		@Nullable String[] selectionArgs) {
		Objects.requireNonNull(mTables, "No tables defined");
		Objects.requireNonNull(db, "No database defined");

		final String sql;
		final String unwrappedSql = buildDelete(selection);

		if (mStrict) {
		// Validate the user-supplied selection to detect syntactic anomalies
		// in the selection string that could indicate a SQL injection attempt.
		// The idea is to ensure that the selection clause is a valid SQL expression
		// by compiling it twice: once wrapped in parentheses and once as
		// originally specified. An attacker cannot create an expression that
		// would escape the SQL expression while maintaining balanced parentheses
		// in both the wrapped and original forms.

		// NOTE: The ordering of the below operations is important; we must
		// execute the wrapped query to ensure the untrusted clause has been
		// fully isolated.

		// Validate the unwrapped query
		db.validateSql(unwrappedSql, null); // will throw if query is invalid

		// Execute wrapped query for extra protection
		final String wrappedSql = buildDelete(wrap(selection));
		sql = wrappedSql;
		} else {
		// Execute unwrapped query
		sql = unwrappedSql;
		}

		final String[] sqlArgs = selectionArgs;
		if (Log.isLoggable(TAG, Log.DEBUG)) {
		if (Build.IS_DEBUGGABLE) {
		Log.d(TAG, sql + " with args " + Arrays.toString(sqlArgs));
		} else {
		Log.d(TAG, sql);
		}
		}
		return db.executeSql(sql, sqlArgs);
		}

		/**
		* Construct a SELECT statement suitable for use in a group of
		* SELECT statements that will be joined through UNION operators
		@@ -434,28 +583,10 @@ public class SQLiteQueryBuilder
		String[] projectionIn, String selection, String groupBy,
		String having, String sortOrder, String limit) {
		String[] projection = computeProjection(projectionIn);

		StringBuilder where = new StringBuilder();
		boolean hasBaseWhereClause = mWhereClause != null && mWhereClause.length() > 0;

		if (hasBaseWhereClause) {
		where.append(mWhereClause.toString());
		where.append(')');
		}

		// Tack on the user's selection, if present.
		if (selection != null && selection.length() > 0) {
		if (hasBaseWhereClause) {
		where.append(" AND ");
		}

		where.append('(');
		where.append(selection);
		where.append(')');
		}
		String where = computeWhere(selection);

		return buildQueryString(
		mDistinct, mTables, projection, where.toString(),
		mDistinct, mTables, projection, where,
		groupBy, having, sortOrder, limit);
		}

		@@ -472,6 +603,42 @@ public class SQLiteQueryBuilder
		return buildQuery(projectionIn, selection, groupBy, having, sortOrder, limit);
		}

		/** {@hide} */
		public String buildUpdate(ContentValues values, String selection) {
		if (values == null \|\| values.size() == 0) {
		throw new IllegalArgumentException("Empty values");
		}

		StringBuilder sql = new StringBuilder(120);
		sql.append("UPDATE ");
		sql.append(mTables);
		sql.append(" SET ");

		final String[] rawKeys = values.keySet().toArray(EmptyArray.STRING);
		for (int i = 0; i < rawKeys.length; i++) {
		if (i > 0) {
		sql.append(',');
		}
		sql.append(rawKeys[i]);
		sql.append("=?");
		}

		final String where = computeWhere(selection);
		appendClause(sql, " WHERE ", where);
		return sql.toString();
		}

		/** {@hide} */
		public String buildDelete(String selection) {
		StringBuilder sql = new StringBuilder(120);
		sql.append("DELETE FROM ");
		sql.append(mTables);

		final String where = computeWhere(selection);
		appendClause(sql, " WHERE ", where);
		return sql.toString();
		}

		/**
		* Construct a SELECT statement suitable for use in a group of
		* SELECT statements that will be joined through UNION operators
		@@ -645,4 +812,37 @@ public class SQLiteQueryBuilder
		}
		return null;
		}

		private @Nullable String computeWhere(@Nullable String selection) {
		final boolean hasInternal = !TextUtils.isEmpty(mWhereClause);
		final boolean hasExternal = !TextUtils.isEmpty(selection);

		if (hasInternal \|\| hasExternal) {
		final StringBuilder where = new StringBuilder();
		if (hasInternal) {
		where.append('(').append(mWhereClause).append(')');
		}
		if (hasInternal && hasExternal) {
		where.append(" AND ");
		}
		if (hasExternal) {
		where.append('(').append(selection).append(')');
		}
		return where.toString();
		} else {
		return null;
		}
		}

		/**
		* Wrap given argument in parenthesis, unless it's {@code null} or
		* {@code ()}, in which case return it verbatim.
		*/
		private @Nullable String wrap(@Nullable String arg) {
		if (TextUtils.isEmpty(arg)) {
		return arg;
		} else {
		return "(" + arg + ")";
		}
		}
		}

core/java/android/text/Layout.java

+2 −1

Original line number	Diff line number	Diff line
		@@ -1583,7 +1583,8 @@ public abstract class Layout {
		}

		float get(final int offset) {
		if (mHorizontals == null) {
		if (mHorizontals == null \|\| offset < mLineStartOffset
		\|\| offset >= mLineStartOffset + mHorizontals.length) {
		return getHorizontal(offset, mPrimary);
		} else {
		return mHorizontals[offset - mLineStartOffset];

services/core/java/com/android/server/am/ActivityManagerService.java

+37 −16

Original line number	Diff line number	Diff line
		@@ -9626,10 +9626,17 @@ public class ActivityManagerService extends IActivityManager.Stub
		}
		}

		// If we're extending a persistable grant, then we always need to create
		// the grant data structure so that take/release APIs work
		// Figure out the value returned when access is allowed
		final int allowedResult;
		if ((modeFlags & Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION) != 0) {
		return targetUid;
		// If we're extending a persistable grant, then we need to return
		// "targetUid" so that we always create a grant data structure to
		// support take/release APIs
		allowedResult = targetUid;
		} else {
		// Otherwise, we can return "-1" to indicate that no grant data
		// structures need to be created
		allowedResult = -1;
		}

		if (targetUid >= 0) {
		@@ -9638,7 +9645,7 @@ public class ActivityManagerService extends IActivityManager.Stub
		// No need to grant the target this permission.
		if (DEBUG_URI_PERMISSION) Slog.v(TAG_URI_PERMISSION,
		"Target " + targetPkg + " already has full permission to " + grantUri);
		return -1;
		return allowedResult;
		}
		} else {
		// First... there is no target package, so can anyone access it?
		@@ -9673,7 +9680,7 @@ public class ActivityManagerService extends IActivityManager.Stub
		}
		}
		if (allowed) {
		return -1;
		return allowedResult;
		}
		}

		@@ -23039,6 +23046,7 @@ public class ActivityManagerService extends IActivityManager.Stub
		// The process is being computed, so there is a cycle. We cannot
		// rely on this process's state.
		app.containsCycle = true;

		return false;
		}
		}
		@@ -23063,6 +23071,7 @@ public class ActivityManagerService extends IActivityManager.Stub
		final int logUid = mCurOomAdjUid;

		int prevAppAdj = app.curAdj;
		int prevProcState = app.curProcState;

		if (app.maxAdj <= ProcessList.FOREGROUND_APP_ADJ) {
		// The max adjustment doesn't allow this app to be anything
		@@ -23541,12 +23550,17 @@ public class ActivityManagerService extends IActivityManager.Stub
		ProcessRecord client = cr.binding.client;
		computeOomAdjLocked(client, cachedAdj, TOP_APP, doingAll, now);
		if (client.containsCycle) {
		// We've detected a cycle. We should ignore this connection and allow
		// this process to retry computeOomAdjLocked later in case a later-checked
		// connection from a client would raise its priority legitimately.
		// We've detected a cycle. We should retry computeOomAdjLocked later in
		// case a later-checked connection from a client would raise its
		// priority legitimately.
		app.containsCycle = true;
		// If the client has not been completely evaluated, skip using its
		// priority. Else use the conservative value for now and look for a
		// better state in the next iteration.
		if (client.completedAdjSeq < mAdjSeq) {
		continue;
		}
		}
		int clientAdj = client.curRawAdj;
		int clientProcState = client.curProcState;
		if (clientProcState >= ActivityManager.PROCESS_STATE_CACHED_ACTIVITY) {
		@@ -23768,12 +23782,17 @@ public class ActivityManagerService extends IActivityManager.Stub
		}
		computeOomAdjLocked(client, cachedAdj, TOP_APP, doingAll, now);
		if (client.containsCycle) {
		// We've detected a cycle. We should ignore this connection and allow
		// this process to retry computeOomAdjLocked later in case a later-checked
		// connection from a client would raise its priority legitimately.
		// We've detected a cycle. We should retry computeOomAdjLocked later in
		// case a later-checked connection from a client would raise its
		// priority legitimately.
		app.containsCycle = true;
		// If the client has not been completely evaluated, skip using its
		// priority. Else use the conservative value for now and look for a
		// better state in the next iteration.
		if (client.completedAdjSeq < mAdjSeq) {
		continue;
		}
		}
		int clientAdj = client.curRawAdj;
		int clientProcState = client.curProcState;
		if (clientProcState >= ActivityManager.PROCESS_STATE_CACHED_ACTIVITY) {
		@@ -24004,8 +24023,8 @@ public class ActivityManagerService extends IActivityManager.Stub
		app.foregroundActivities = foregroundActivities;
		app.completedAdjSeq = mAdjSeq;

		// if curAdj is less than prevAppAdj, then this process was promoted
		return app.curAdj < prevAppAdj;
		// if curAdj or curProcState improved, then this process was promoted
		return app.curAdj < prevAppAdj \|\| app.curProcState < prevProcState;
		}

		/**
		@@ -25058,7 +25077,7 @@ public class ActivityManagerService extends IActivityManager.Stub
		// - Continue retrying until no process was promoted.
		// - Iterate from least important to most important.
		int cycleCount = 0;
		while (retryCycles) {
		while (retryCycles && cycleCount < 10) {
		cycleCount++;
		retryCycles = false;

		@@ -25073,12 +25092,14 @@ public class ActivityManagerService extends IActivityManager.Stub
		for (int i=0; i<N; i++) {
		ProcessRecord app = mLruProcesses.get(i);
		if (!app.killedByAm && app.thread != null && app.containsCycle == true) {

		if (computeOomAdjLocked(app, ProcessList.UNKNOWN_ADJ, TOP_APP, true, now)) {
		retryCycles = true;
		}
		}
		}
		}

		for (int i=N-1; i>=0; i--) {
		ProcessRecord app = mLruProcesses.get(i);
		if (!app.killedByAm && app.thread != null) {