Merge "Fix RRO loading from inside APEXes." (de3baffb) · Commits · e / os / android_frameworks_base

Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -294,6 +294,7 @@ java_defaults {
		srcs: [
		":framework-non-updatable-sources",
		"core/java/*/.logtags",
		":apex-info-list",
		],
		aidl: {
		generate_get_transaction_name: true,

core/java/com/android/internal/content/om/OverlayConfig.java

+49 −6

Original line number	Diff line number	Diff line
		@@ -25,17 +25,22 @@ import android.os.Trace;
		import android.util.ArrayMap;
		import android.util.Log;

		import com.android.apex.ApexInfo;
		import com.android.apex.XmlParser;
		import com.android.internal.annotations.VisibleForTesting;
		import com.android.internal.content.om.OverlayConfigParser.OverlayPartition;
		import com.android.internal.content.om.OverlayConfigParser.ParsedConfiguration;
		import com.android.internal.content.om.OverlayScanner.ParsedOverlayInfo;
		import com.android.internal.util.Preconditions;
		import com.android.internal.util.function.TriConsumer;

		import java.io.File;
		import java.io.FileInputStream;
		import java.util.ArrayList;
		import java.util.Arrays;
		import java.util.Collections;
		import java.util.Comparator;
		import java.util.function.BiConsumer;
		import java.util.List;
		import java.util.function.Supplier;

		/**
		@@ -73,7 +78,7 @@ public class OverlayConfig {
		public interface PackageProvider {

		/** Performs the given action for each package. */
		void forEachPackage(BiConsumer<ParsingPackageRead, Boolean> p);
		void forEachPackage(TriConsumer<ParsingPackageRead, Boolean, File> p);
		}

		private static final Comparator<ParsedConfiguration> sStaticOverlayComparator = (c1, c2) -> {
		@@ -115,6 +120,8 @@ public class OverlayConfig {
		p)));
		}

		ArrayMap<Integer, List<String>> activeApexesPerPartition = getActiveApexes(partitions);

		boolean foundConfigFile = false;
		ArrayList<ParsedOverlayInfo> packageManagerOverlayInfos = null;

		@@ -123,7 +130,9 @@ public class OverlayConfig {
		final OverlayPartition partition = partitions.get(i);
		final OverlayScanner scanner = (scannerFactory == null) ? null : scannerFactory.get();
		final ArrayList<ParsedConfiguration> partitionOverlays =
		OverlayConfigParser.getConfigurations(partition, scanner);
		OverlayConfigParser.getConfigurations(partition, scanner,
		activeApexesPerPartition.getOrDefault(partition.type,
		Collections.emptyList()));
		if (partitionOverlays != null) {
		foundConfigFile = true;
		overlays.addAll(partitionOverlays);
		@@ -145,7 +154,8 @@ public class OverlayConfig {
		// Filter out overlays not present in the partition.
		partitionOverlayInfos = new ArrayList<>(packageManagerOverlayInfos);
		for (int j = partitionOverlayInfos.size() - 1; j >= 0; j--) {
		if (!partition.containsFile(partitionOverlayInfos.get(j).path)) {
		if (!partition.containsFile(partitionOverlayInfos.get(j)
		.getOriginalPartitionPath())) {
		partitionOverlayInfos.remove(j);
		}
		}
		@@ -292,16 +302,49 @@ public class OverlayConfig {
		private static ArrayList<ParsedOverlayInfo> getOverlayPackageInfos(
		@NonNull PackageProvider packageManager) {
		final ArrayList<ParsedOverlayInfo> overlays = new ArrayList<>();
		packageManager.forEachPackage((ParsingPackageRead p, Boolean isSystem) -> {
		packageManager.forEachPackage((ParsingPackageRead p, Boolean isSystem,
		@Nullable File preInstalledApexPath) -> {
		if (p.getOverlayTarget() != null && isSystem) {
		overlays.add(new ParsedOverlayInfo(p.getPackageName(), p.getOverlayTarget(),
		p.getTargetSdkVersion(), p.isOverlayIsStatic(), p.getOverlayPriority(),
		new File(p.getBaseApkPath())));
		new File(p.getBaseApkPath()), preInstalledApexPath));
		}
		});
		return overlays;
		}

		/** Returns a map of PartitionType to List of active APEX module names. */
		@NonNull
		private static ArrayMap<Integer, List<String>> getActiveApexes(
		@NonNull List<OverlayPartition> partitions) {
		// An Overlay in an APEX, which is an update of an APEX in a given partition,
		// is considered as belonging to that partition.
		ArrayMap<Integer, List<String>> result = new ArrayMap<>();
		for (OverlayPartition partition : partitions) {
		result.put(partition.type, new ArrayList<String>());
		}
		// Read from apex-info-list because ApexManager is not accessible to zygote.
		File apexInfoList = new File("/apex/apex-info-list.xml");
		if (apexInfoList.exists() && apexInfoList.canRead()) {
		try (FileInputStream stream = new FileInputStream(apexInfoList)) {
		List<ApexInfo> apexInfos = XmlParser.readApexInfoList(stream).getApexInfo();
		for (ApexInfo info : apexInfos) {
		if (info.getIsActive()) {
		for (OverlayPartition partition : partitions) {
		if (partition.containsPath(info.getPreinstalledModulePath())) {
		result.get(partition.type).add(info.getModuleName());
		break;
		}
		}
		}
		}
		} catch (Exception e) {
		Log.w(TAG, "Error reading apex-info-list: " + e);
		}
		}
		return result;
		}

		/** Represents a single call to idmap create-multiple. */
		@VisibleForTesting
		public static class IdmapInvocation {

core/java/com/android/internal/content/om/OverlayConfigParser.java

+12 −5

Original line number	Diff line number	Diff line
		@@ -40,6 +40,7 @@ import java.io.FileNotFoundException;
		import java.io.FileReader;
		import java.io.IOException;
		import java.util.ArrayList;
		import java.util.List;

		/**
		* Responsible for parsing configurations of Runtime Resource Overlays that control mutability,
		@@ -192,14 +193,20 @@ final class OverlayConfigParser {
		*/
		@Nullable
		static ArrayList<ParsedConfiguration> getConfigurations(
		@NonNull OverlayPartition partition, @Nullable OverlayScanner scanner) {
		if (partition.getOverlayFolder() == null) {
		return null;
		}

		@NonNull OverlayPartition partition, @Nullable OverlayScanner scanner,
		@NonNull List<String> activeApexes) {
		if (scanner != null) {
		if (partition.getOverlayFolder() != null) {
		scanner.scanDir(partition.getOverlayFolder());
		}
		for (String apex : activeApexes) {
		scanner.scanDir(new File("/apex/" + apex + "/overlay/"));
		}
		}

		if (partition.getOverlayFolder() == null) {
		return null;
		}

		final File configFile = new File(partition.getOverlayFolder(), CONFIG_DEFAULT_FILENAME);
		if (!configFile.exists()) {

core/java/com/android/internal/content/om/OverlayScanner.java

+19 −4

Original line number	Diff line number	Diff line
		@@ -47,23 +47,38 @@ public class OverlayScanner {
		public final boolean isStatic;
		public final int priority;
		public final File path;
		@Nullable public final File preInstalledApexPath;

		public ParsedOverlayInfo(String packageName, String targetPackageName,
		int targetSdkVersion, boolean isStatic, int priority, File path) {
		int targetSdkVersion, boolean isStatic, int priority, File path,
		@Nullable File preInstalledApexPath) {
		this.packageName = packageName;
		this.targetPackageName = targetPackageName;
		this.targetSdkVersion = targetSdkVersion;
		this.isStatic = isStatic;
		this.priority = priority;
		this.path = path;
		this.preInstalledApexPath = preInstalledApexPath;
		}

		@Override
		public String toString() {
		return getClass().getSimpleName() + String.format("{packageName=%s"
		+ ", targetPackageName=%s, targetSdkVersion=%s, isStatic=%s"
		+ ", priority=%s, path=%s}",
		packageName, targetPackageName, targetSdkVersion, isStatic, priority, path);
		+ ", priority=%s, path=%s, preInstalledApexPath=%s}",
		packageName, targetPackageName, targetSdkVersion, isStatic,
		priority, path, preInstalledApexPath);
		}

		/**
		* Retrieves the path of the overlay in its original installation partition.
		*
		* An Overlay in an APEX, which is an update of an APEX in a given partition,
		* is considered as belonging to that partition.
		*/
		@NonNull
		public File getOriginalPartitionPath() {
		return preInstalledApexPath != null ? preInstalledApexPath : path;
		}
		}

		@@ -138,6 +153,6 @@ public class OverlayScanner {
		return apkLite.getTargetPackageName() == null ? null :
		new ParsedOverlayInfo(apkLite.getPackageName(), apkLite.getTargetPackageName(),
		apkLite.getTargetSdkVersion(), apkLite.isOverlayIsStatic(),
		apkLite.getOverlayPriority(), new File(apkLite.getPath()));
		apkLite.getOverlayPriority(), new File(apkLite.getPath()), null);
		}
		}

core/jni/fd_utils.cpp

+8 −0

Original line number	Diff line number	Diff line
		@@ -138,6 +138,14 @@ bool FileDescriptorAllowlist::IsAllowed(const std::string& path) const {
		return true;
		}

		// Allow Runtime Resource Overlays inside APEXes.
		static const char* kOverlayPathSuffix = "/overlay";
		if (android::base::StartsWith(path, kApexPrefix) &&
		android::base::EndsWith(android::base::Dirname(path), kOverlayPathSuffix) &&
		android::base::EndsWith(path, kApkSuffix) && path.find("/../") == std::string::npos) {
		return true;
		}

		static const char* kOverlayIdmapPrefix = "/data/resource-cache/";
		static const char* kOverlayIdmapSuffix = ".apk@idmap";
		if (android::base::StartsWith(path, kOverlayIdmapPrefix) &&