Merge "Verify that per-user storage is isolated." into mnc-dev
diff --git a/hostsidetests/appsecurity/src/com/android/cts/appsecurity/ExternalStorageHostTest.java b/hostsidetests/appsecurity/src/com/android/cts/appsecurity/ExternalStorageHostTest.java
index d74ec52..cb67c63 100644
--- a/hostsidetests/appsecurity/src/com/android/cts/appsecurity/ExternalStorageHostTest.java
+++ b/hostsidetests/appsecurity/src/com/android/cts/appsecurity/ExternalStorageHostTest.java
@@ -215,6 +215,10 @@
// Verify they both have isolated view of storage
runDeviceTests(MULTIUSER_PKG, MULTIUSER_CLASS, "testReadIsolatedStorage", owner);
runDeviceTests(MULTIUSER_PKG, MULTIUSER_CLASS, "testReadIsolatedStorage", secondary);
+
+ // Verify they can't poke at each other
+ runDeviceTests(MULTIUSER_PKG, MULTIUSER_CLASS, "testUserIsolation", owner);
+ runDeviceTests(MULTIUSER_PKG, MULTIUSER_CLASS, "testUserIsolation", secondary);
} finally {
getDevice().uninstallPackage(MULTIUSER_PKG);
removeUsersForTest(users);
diff --git a/hostsidetests/appsecurity/test-apps/MultiUserStorageApp/src/com/android/cts/multiuserstorageapp/MultiUserStorageTest.java b/hostsidetests/appsecurity/test-apps/MultiUserStorageApp/src/com/android/cts/multiuserstorageapp/MultiUserStorageTest.java
index ed84a66..d9f00d2 100644
--- a/hostsidetests/appsecurity/test-apps/MultiUserStorageApp/src/com/android/cts/multiuserstorageapp/MultiUserStorageTest.java
+++ b/hostsidetests/appsecurity/test-apps/MultiUserStorageApp/src/com/android/cts/multiuserstorageapp/MultiUserStorageTest.java
@@ -16,6 +16,7 @@
package com.android.cts.multiuserstorageapp;
+import static com.android.cts.externalstorageapp.CommonExternalStorageTest.assertDirNoAccess;
import static com.android.cts.externalstorageapp.CommonExternalStorageTest.getAllPackageSpecificPathsExceptObb;
import static com.android.cts.externalstorageapp.CommonExternalStorageTest.readInt;
import static com.android.cts.externalstorageapp.CommonExternalStorageTest.writeInt;
@@ -119,6 +120,24 @@
readInt(buildRawObbPath(FILE_OBB_SINGLETON)));
}
+ /**
+ * Verify that we can't poke at storage of other users.
+ */
+ public void testUserIsolation() throws Exception {
+ final File myPath = Environment.getExternalStorageDirectory();
+ final int myId = android.os.Process.myUid() / 100000;
+ assertEquals(String.valueOf(myId), myPath.getName());
+
+ Log.d(TAG, "My path is " + myPath);
+ final File basePath = myPath.getParentFile();
+ for (int i = 0; i < 128; i++) {
+ if (i == myId) continue;
+
+ final File otherPath = new File(basePath, String.valueOf(i));
+ assertDirNoAccess(otherPath);
+ }
+ }
+
private File buildApiObbPath(String file) {
return new File(getContext().getObbDir(), file);
}
