Merge "Generate /data/system/packages.list in the PackageManager" (b51f4751) · Commits · e / os / android_frameworks_base

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

+60 −2

Original line number	Diff line number	Diff line
		@@ -20,6 +20,7 @@ import com.android.internal.app.IMediaContainerService;
		import com.android.internal.app.ResolverActivity;
		import com.android.common.FastXmlSerializer;
		import com.android.common.XmlUtils;
		import com.android.server.JournaledFile;

		import org.xmlpull.v1.XmlPullParser;
		import org.xmlpull.v1.XmlPullParserException;
		@@ -6826,6 +6827,7 @@ class PackageManagerService extends IPackageManager.Stub {
		private static final class Settings {
		private final File mSettingsFilename;
		private final File mBackupSettingsFilename;
		private final File mPackageListFilename;
		private final HashMap<String, PackageSetting> mPackages =
		new HashMap<String, PackageSetting>();
		// List of replaced system applications
		@@ -6907,6 +6909,7 @@ class PackageManagerService extends IPackageManager.Stub {
		-1, -1);
		mSettingsFilename = new File(systemDir, "packages.xml");
		mBackupSettingsFilename = new File(systemDir, "packages-backup.xml");
		mPackageListFilename = new File(systemDir, "packages.list");
		}

		PackageSetting getPackageLP(PackageParser.Package pkg, PackageSetting origPackage,
		@@ -7462,6 +7465,61 @@ class PackageManagerService extends IPackageManager.Stub {
		\|FileUtils.S_IRGRP\|FileUtils.S_IWGRP
		\|FileUtils.S_IROTH,
		-1, -1);

		// Write package list file now, use a JournaledFile.
		//
		File tempFile = new File(mPackageListFilename.toString() + ".tmp");
		JournaledFile journal = new JournaledFile(mPackageListFilename, tempFile);

		str = new FileOutputStream(journal.chooseForWrite());
		try {
		StringBuilder sb = new StringBuilder();
		for (PackageSetting pkg : mPackages.values()) {
		ApplicationInfo ai = pkg.pkg.applicationInfo;
		String dataPath = ai.dataDir;
		boolean isDebug = (ai.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0;

		// Avoid any application that has a space in its path
		// or that is handled by the system.
		if (dataPath.indexOf(" ") >= 0 \|\| ai.uid <= Process.FIRST_APPLICATION_UID)
		continue;

		// we store on each line the following information for now:
		//
		// pkgName - package name
		// userId - application-specific user id
		// debugFlag - 0 or 1 if the package is debuggable.
		// dataPath - path to package's data path
		//
		// NOTE: We prefer not to expose all ApplicationInfo flags for now.
		//
		// DO NOT MODIFY THIS FORMAT UNLESS YOU CAN ALSO MODIFY ITS USERS
		// FROM NATIVE CODE. AT THE MOMENT, LOOK AT THE FOLLOWING SOURCES:
		// system/core/run-as/run-as.c
		//
		sb.setLength(0);
		sb.append(ai.packageName);
		sb.append(" ");
		sb.append((int)ai.uid);
		sb.append(isDebug ? " 1 " : " 0 ");
		sb.append(dataPath);
		sb.append("\n");
		str.write(sb.toString().getBytes());
		}
		str.flush();
		str.close();
		journal.commit();
		}
		catch (Exception e) {
		journal.rollback();
		}

		FileUtils.setPermissions(mPackageListFilename.toString(),
		FileUtils.S_IRUSR\|FileUtils.S_IWUSR
		\|FileUtils.S_IRGRP\|FileUtils.S_IWGRP
		\|FileUtils.S_IROTH,
		-1, -1);

		return;

		} catch(XmlPullParserException e) {
		@@ -7469,7 +7527,7 @@ class PackageManagerService extends IPackageManager.Stub {
		} catch(java.io.IOException e) {
		Log.w(TAG, "Unable to write package manager settings, current changes will be lost at reboot", e);
		}
		// Clean up partially written file
		// Clean up partially written files
		if (mSettingsFilename.exists()) {
		if (!mSettingsFilename.delete()) {
		Log.i(TAG, "Failed to clean up mangled file: " + mSettingsFilename);