Merge "System/root/shell need to explicitly ask for static libs to get them" into oc-dev (e87dc7bb) · Commits · e / os / android_frameworks_base

core/java/android/content/pm/PackageManager.java

+12 −0

Original line number	Diff line number	Diff line
		@@ -157,6 +157,7 @@ public abstract class PackageManager {
		MATCH_DISABLED_COMPONENTS,
		MATCH_DISABLED_UNTIL_USED_COMPONENTS,
		MATCH_INSTANT,
		MATCH_STATIC_SHARED_LIBRARIES,
		GET_DISABLED_UNTIL_USED_COMPONENTS,
		GET_UNINSTALLED_PACKAGES,
		})
		@@ -177,6 +178,7 @@ public abstract class PackageManager {
		MATCH_SYSTEM_ONLY,
		MATCH_UNINSTALLED_PACKAGES,
		MATCH_INSTANT,
		MATCH_STATIC_SHARED_LIBRARIES,
		GET_DISABLED_COMPONENTS,
		GET_DISABLED_UNTIL_USED_COMPONENTS,
		GET_UNINSTALLED_PACKAGES,
		@@ -474,6 +476,16 @@ public abstract class PackageManager {
		*/
		public static final int MATCH_EXPLICITLY_VISIBLE_ONLY = 0x02000000;

		/**
		* Internal {@link PackageInfo} flag: include static shared libraries.
		* Apps that depend on static shared libs can always access the version
		* of the lib they depend on. System/shell/root can access all shared
		* libs regardless of dependency but need to explicitly ask for them
		* via this flag.
		* @hide
		*/
		public static final int MATCH_STATIC_SHARED_LIBRARIES = 0x04000000;

		/**
		* Internal flag used to indicate that a system component has done their
		* homework and verified that they correctly handle packages and components

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

+22 −18

Original line number	Diff line number	Diff line
		@@ -3615,7 +3615,7 @@ public class PackageManagerService extends IPackageManager.Stub
		if (matchFactoryOnly) {
		final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName);
		if (ps != null) {
		if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) {
		if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId, flags)) {
		return null;
		}
		return generatePackageInfo(ps, flags, userId);
		@@ -3630,14 +3630,14 @@ public class PackageManagerService extends IPackageManager.Stub
		Log.v(TAG, "getPackageInfo " + packageName + ": " + p);
		if (p != null) {
		if (filterSharedLibPackageLPr((PackageSetting) p.mExtras,
		Binder.getCallingUid(), userId)) {
		Binder.getCallingUid(), userId, flags)) {
		return null;
		}
		return generatePackageInfo((PackageSetting)p.mExtras, flags, userId);
		}
		if (!matchFactoryOnly && (flags & MATCH_KNOWN_PACKAGES) != 0) {
		final PackageSetting ps = mSettings.mPackages.get(packageName);
		if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) {
		if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId, flags)) {
		return null;
		}
		return generatePackageInfo(ps, flags, userId);
		@@ -3646,14 +3646,18 @@ public class PackageManagerService extends IPackageManager.Stub
		return null;
		}


		private boolean filterSharedLibPackageLPr(@Nullable PackageSetting ps, int uid, int userId) {
		private boolean filterSharedLibPackageLPr(@Nullable PackageSetting ps, int uid, int userId,
		int flags) {
		// Callers can access only the libs they depend on, otherwise they need to explicitly
		// ask for the shared libraries given the caller is allowed to access all static libs.
		if ((flags & PackageManager.MATCH_STATIC_SHARED_LIBRARIES) != 0) {
		// System/shell/root get to see all static libs
		final int appId = UserHandle.getAppId(uid);
		if (appId == Process.SYSTEM_UID \|\| appId == Process.SHELL_UID
		\|\| appId == Process.ROOT_UID) {
		return false;
		}
		}

		// No package means no static lib as it is always on internal storage
		if (ps == null \|\| ps.pkg == null \|\| !ps.pkg.applicationInfo.isStaticSharedLibrary()) {
		@@ -3847,7 +3851,7 @@ public class PackageManagerService extends IPackageManager.Stub
		if (!sUserManager.exists(userId)) return null;
		PackageSetting ps = mSettings.mPackages.get(packageName);
		if (ps != null) {
		if (filterSharedLibPackageLPr(ps, uid, userId)) {
		if (filterSharedLibPackageLPr(ps, uid, userId, flags)) {
		return null;
		}
		if (ps.pkg == null) {
		@@ -3888,7 +3892,7 @@ public class PackageManagerService extends IPackageManager.Stub
		if (p != null) {
		PackageSetting ps = mSettings.mPackages.get(packageName);
		if (ps == null) return null;
		if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) {
		if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId, flags)) {
		return null;
		}
		// Note: isEnabledLP() does not apply here - always return info
		@@ -4349,7 +4353,6 @@ public class PackageManagerService extends IPackageManager.Stub
		}
		final long identity = Binder.clearCallingIdentity();
		try {
		// TODO: We will change version code to long, so in the new API it is long
		PackageInfo packageInfo = getPackageInfoVersioned(
		libInfo.getDeclaringPackage(), flags, userId);
		if (packageInfo == null) {
		@@ -4492,7 +4495,8 @@ public class PackageManagerService extends IPackageManager.Stub
		}
		PackageSetting ps = mSettings.getPackageLPr(libEntry.apk);
		if (ps != null && !filterSharedLibPackageLPr(ps, Binder.getCallingUid(),
		UserHandle.getUserId(Binder.getCallingUid()))) {
		UserHandle.getUserId(Binder.getCallingUid()),
		PackageManager.MATCH_STATIC_SHARED_LIBRARIES)) {
		if (libs == null) {
		libs = new ArraySet<>();
		}
		@@ -7547,7 +7551,7 @@ public class PackageManagerService extends IPackageManager.Stub
		if (listUninstalled) {
		list = new ArrayList<>(mSettings.mPackages.size());
		for (PackageSetting ps : mSettings.mPackages.values()) {
		if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) {
		if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId, flags)) {
		continue;
		}
		final PackageInfo pi = generatePackageInfo(ps, flags, userId);
		@@ -7559,7 +7563,7 @@ public class PackageManagerService extends IPackageManager.Stub
		list = new ArrayList<>(mPackages.size());
		for (PackageParser.Package p : mPackages.values()) {
		if (filterSharedLibPackageLPr((PackageSetting) p.mExtras,
		Binder.getCallingUid(), userId)) {
		Binder.getCallingUid(), userId, flags)) {
		continue;
		}
		final PackageInfo pi = generatePackageInfo((PackageSetting)
		@@ -7664,7 +7668,7 @@ public class PackageManagerService extends IPackageManager.Stub
		effectiveFlags \|= PackageManager.MATCH_ANY_USER;
		}
		if (ps.pkg != null) {
		if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) {
		if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId, flags)) {
		continue;
		}
		ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags,
		@@ -7688,7 +7692,7 @@ public class PackageManagerService extends IPackageManager.Stub
		for (PackageParser.Package p : mPackages.values()) {
		if (p.mExtras != null) {
		PackageSetting ps = (PackageSetting) p.mExtras;
		if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) {
		if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId, flags)) {
		continue;
		}
		ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags,