am 21df222f: Merge "New "frozen" state during app move/upgrade." into mnc-dev (508c9fec) · Commits · e / os / android_frameworks_base

core/java/android/content/pm/IPackageManager.aidl

+1 −0

Original line number	Diff line number	Diff line
		@@ -58,6 +58,7 @@ import android.content.IntentSender;
		* {@hide}
		*/
		interface IPackageManager {
		boolean isPackageFrozen(String packageName);
		boolean isPackageAvailable(String packageName, int userId);
		PackageInfo getPackageInfo(String packageName, int flags, int userId);
		int getPackageUid(String packageName, int userId);

core/java/android/content/pm/PackageParser.java

+0 −3

Original line number	Diff line number	Diff line
		@@ -4315,9 +4315,6 @@ public class PackageParser {
		// Additional data supplied by callers.
		public Object mExtras;

		// Whether an operation is currently pending on this package
		public boolean mOperationPending;

		// Applications hardware preferences
		public ArrayList<ConfigurationInfo> configPreferences = null;

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

+10 −2

Original line number	Diff line number	Diff line
		@@ -3113,8 +3113,16 @@ public final class ActivityManagerService extends ActivityManagerNative
		checkTime(startTime, "startProcess: done updating cpu stats");

		try {
		int uid = app.uid;
		try {
		if (AppGlobals.getPackageManager().isPackageFrozen(app.info.packageName)) {
		// This is caught below as if we had failed to fork zygote
		throw new RuntimeException("Package " + app.info.packageName + " is frozen!");
		}
		} catch (RemoteException e) {
		throw e.rethrowAsRuntimeException();
		}

		int uid = app.uid;
		int[] gids = null;
		int mountExternal = Zygote.MOUNT_EXTERNAL_DEFAULT;
		if (!app.isolated) {
		@@ -3124,7 +3132,7 @@ public final class ActivityManagerService extends ActivityManagerNative
		permGids = AppGlobals.getPackageManager().getPackageGids(app.info.packageName,
		app.userId);
		} catch (RemoteException e) {
		Slog.w(TAG, "Unable to retrieve gids", e);
		throw e.rethrowAsRuntimeException();
		}

		/*

services/core/java/com/android/server/pm/PackageManagerService.java

+74 −46

Original line number	Diff line number	Diff line
		@@ -299,7 +299,6 @@ public class PackageManagerService extends IPackageManager.Stub {
		static final int SCAN_BOOTING = 1<<8;
		static final int SCAN_TRUSTED_OVERLAY = 1<<9;
		static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10;
		static final int SCAN_REPLACING = 1<<11;
		static final int SCAN_REQUIRE_KNOWN = 1<<12;

		static final int REMOVE_CHATTY = 1<<16;
		@@ -2379,6 +2378,18 @@ public class PackageManagerService extends IPackageManager.Stub {
		ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId);
		}

		@Override
		public boolean isPackageFrozen(String packageName) {
		synchronized (mPackages) {
		final PackageSetting ps = mSettings.mPackages.get(packageName);
		if (ps != null) {
		return ps.frozen;
		}
		}
		Slog.w(TAG, "Package " + packageName + " is missing; assuming frozen");
		return true;
		}

		@Override
		public boolean isPackageAvailable(String packageName, int userId) {
		if (!sUserManager.exists(userId)) return false;
		@@ -6482,14 +6493,6 @@ public class PackageManagerService extends IPackageManager.Stub {
		}
		}

		// Request the ActivityManager to kill the process(only for existing packages)
		// so that we do not end up in a confused state while the user is still using the older
		// version of the application while the new one gets installed.
		if ((scanFlags & SCAN_REPLACING) != 0) {
		killApplication(pkg.applicationInfo.packageName,
		pkg.applicationInfo.uid, "update pkg");
		}

		// Also need to kill any apps that are dependent on the library.
		if (clientLibPkgs != null) {
		for (int i=0; i<clientLibPkgs.size(); i++) {
		@@ -10797,16 +10800,17 @@ public class PackageManagerService extends IPackageManager.Stub {
		private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags,
		UserHandle user, String installerPackageName, String volumeUuid,
		PackageInstalledInfo res) {
		PackageParser.Package oldPackage;
		String pkgName = pkg.packageName;
		int[] allUsers;
		boolean[] perUserInstalled;
		final PackageParser.Package oldPackage;
		final String pkgName = pkg.packageName;
		final int[] allUsers;
		final boolean[] perUserInstalled;
		final boolean weFroze;

		// First find the old package info and check signatures
		synchronized(mPackages) {
		oldPackage = mPackages.get(pkgName);
		if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage);
		PackageSetting ps = mSettings.mPackages.get(pkgName);
		final PackageSetting ps = mSettings.mPackages.get(pkgName);
		if (ps == null \|\| !ps.keySetData.isUsingUpgradeKeySets() \|\| ps.sharedUser != null) {
		// default to original signature matching
		if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures)
		@@ -10830,8 +10834,21 @@ public class PackageManagerService extends IPackageManager.Stub {
		for (int i = 0; i < allUsers.length; i++) {
		perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false;
		}

		// Mark the app as frozen to prevent launching during the upgrade
		// process, and then kill all running instances
		if (!ps.frozen) {
		ps.frozen = true;
		weFroze = true;
		} else {
		weFroze = false;
		}
		}

		// Now that we're guarded by frozen state, kill app during upgrade
		killApplication(pkgName, oldPackage.applicationInfo.uid, "replace pkg");

		try {
		boolean sysPkg = (isSystemApp(oldPackage));
		if (sysPkg) {
		replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags,
		@@ -10840,6 +10857,13 @@ public class PackageManagerService extends IPackageManager.Stub {
		replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags,
		user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res);
		}
		} finally {
		// Regardless of success or failure of upgrade steps above, always
		// unfreeze the package if we froze it
		if (weFroze) {
		unfreezePackage(pkgName);
		}
		}
		}

		private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage,
		@@ -10968,8 +10992,6 @@ public class PackageManagerService extends IPackageManager.Stub {
		}
		}

		killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg");

		res.removedInfo.uid = oldPkg.applicationInfo.uid;
		res.removedInfo.removedPackage = packageName;
		// Remove existing system package
		@@ -11314,7 +11336,7 @@ public class PackageManagerService extends IPackageManager.Stub {
		startIntentFilterVerifications(args.user.getIdentifier(), pkg);

		if (replace) {
		replacePackageLI(pkg, parseFlags, scanFlags \| SCAN_REPLACING, args.user,
		replacePackageLI(pkg, parseFlags, scanFlags, args.user,
		installerPackageName, volumeUuid, res);
		} else {
		installNewPackageLI(pkg, parseFlags, scanFlags \| SCAN_DELETE_DATA_ON_FAILURES,
		@@ -14200,6 +14222,15 @@ public class PackageManagerService extends IPackageManager.Stub {
		sendResourcesChangedBroadcast(false, false, unloaded, null);
		}

		private void unfreezePackage(String packageName) {
		synchronized (mPackages) {
		final PackageSetting ps = mSettings.mPackages.get(packageName);
		if (ps != null) {
		ps.frozen = false;
		}
		}
		}

		@Override
		public int movePackage(final String packageName, final String volumeUuid) {
		mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null);
		@@ -14240,14 +14271,19 @@ public class PackageManagerService extends IPackageManager.Stub {
		if (pkg.applicationInfo.isSystemApp()) {
		throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE,
		"Cannot move system application");
		} else if (pkg.mOperationPending) {
		throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING,
		"Attempt to move package which has pending operations");
		}

		// TODO: yell if already in desired location
		if (Objects.equals(ps.volumeUuid, volumeUuid)) {
		throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
		"Package already moved to " + volumeUuid);
		}

		pkg.mOperationPending = true;
		if (ps.frozen) {
		throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING,
		"Failed to move already frozen package");
		}

		ps.frozen = true;

		currentAsec = pkg.applicationInfo.isForwardLocked()
		\|\| pkg.applicationInfo.isExternalAsec();
		@@ -14260,6 +14296,9 @@ public class PackageManagerService extends IPackageManager.Stub {
		label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo));
		}

		// Now that we're guarded by frozen state, kill app during upgrade
		killApplication(packageName, appId, "move pkg");

		final Bundle extras = new Bundle();
		extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName);
		extras.putString(Intent.EXTRA_TITLE, label);
		@@ -14279,6 +14318,7 @@ public class PackageManagerService extends IPackageManager.Stub {
		final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid);
		if (volume == null \|\| volume.getType() != VolumeInfo.TYPE_PRIVATE
		\|\| !volume.isMountedWritable()) {
		unfreezePackage(packageName);
		throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
		"Move location not mounted private volume");
		}
		@@ -14297,15 +14337,9 @@ public class PackageManagerService extends IPackageManager.Stub {
		// TODO: split this into separate copy and delete operations
		if (mInstaller.moveUserDataDirs(currentVolumeUuid, volumeUuid, packageName, appId,
		seinfo) != 0) {
		synchronized (mPackages) {
		final PackageParser.Package pkg = mPackages.get(packageName);
		if (pkg != null) {
		pkg.mOperationPending = false;
		}
		}

		unfreezePackage(packageName);
		throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
		"Failed to move private data");
		"Failed to move private data to " + volumeUuid);
		}
		}
		}
		@@ -14324,15 +14358,9 @@ public class PackageManagerService extends IPackageManager.Stub {
		Slog.d(TAG, "Install result for move: "
		+ PackageManager.installStatusToString(returnCode, msg));

		// We usually have a new package now after the install, but if
		// we failed we need to clear the pending flag on the original
		// package object.
		synchronized (mPackages) {
		final PackageParser.Package pkg = mPackages.get(packageName);
		if (pkg != null) {
		pkg.mOperationPending = false;
		}
		}
		// Regardless of success or failure of the move operation,
		// always unfreeze the package
		unfreezePackage(packageName);

		final int status = PackageManager.installStatusToPublicStatus(returnCode);
		switch (status) {

services/core/java/com/android/server/pm/PackageSettingBase.java

+7 −0

Original line number	Diff line number	Diff line
		@@ -108,6 +108,13 @@ abstract class PackageSettingBase extends SettingBase {

		int installStatus = PKG_INSTALL_COMPLETE;

		/**
		* Non-persisted value indicating this package has been temporarily frozen,
		* usually during a critical section of the package update pipeline. The
		* platform will refuse to launch packages in a frozen state.
		*/
		boolean frozen = false;

		PackageSettingBase origPackage;

		/** Package name of the app that installed this package */