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| author | Jeff Sharkey <jsharkey@android.com> | 2016-08-09 20:01:45 +0000 |
|---|---|---|
| committer | android-build-merger <android-build-merger@google.com> | 2016-08-09 20:01:45 +0000 |
| commit | 77b7d909399daf026df06740096217d00cb426eb (patch) | |
| tree | ca18f16578aed4f29529a608b59372b41282a6d2 /src/com/android | |
| parent | 7794c7c90d5814e4d9eb9f35942ee8c71eb51847 (diff) | |
| parent | 80ab64c562842fef49509dbf876cd29ef55c0727 (diff) | |
| download | android_packages_providers_DownloadProvider-77b7d909399daf026df06740096217d00cb426eb.tar.gz android_packages_providers_DownloadProvider-77b7d909399daf026df06740096217d00cb426eb.tar.bz2 android_packages_providers_DownloadProvider-77b7d909399daf026df06740096217d00cb426eb.zip | |
Enforce calling identity before clearing. am: 8be3a92eb0 am: ec19fe6485 am: b3ce7976f2 am: 860239d87e am: 616f47abce am: a9ea617232 am: 567e549614 am: 14ae5650e4
am: 80ab64c562
Change-Id: Ibb69e167eb4990db888ff151584cb426dd189a72
Diffstat (limited to 'src/com/android')
| -rw-r--r-- | src/com/android/providers/downloads/DownloadProvider.java | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/com/android/providers/downloads/DownloadProvider.java b/src/com/android/providers/downloads/DownloadProvider.java index d30018f7..a4bc9fef 100644 --- a/src/com/android/providers/downloads/DownloadProvider.java +++ b/src/com/android/providers/downloads/DownloadProvider.java @@ -1260,6 +1260,19 @@ public final class DownloadProvider extends ContentProvider { logVerboseOpenFileInfo(uri, mode); } + // Perform normal query to enforce caller identity access before + // clearing it to reach internal-only columns + final Cursor probeCursor = query(uri, new String[] { + Downloads.Impl._DATA }, null, null, null); + try { + if ((probeCursor == null) || (probeCursor.getCount() == 0)) { + throw new FileNotFoundException( + "No file found for " + uri + " as UID " + Binder.getCallingUid()); + } + } finally { + IoUtils.closeQuietly(probeCursor); + } + final Cursor cursor = queryCleared(uri, new String[] { Downloads.Impl._DATA, Downloads.Impl.COLUMN_STATUS, Downloads.Impl.COLUMN_DESTINATION, Downloads.Impl.COLUMN_MEDIA_SCANNED }, null, |