diff options
Diffstat (limited to 'services/backup')
| -rw-r--r-- | services/backup/java/com/android/server/backup/BackupManagerService.java | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/services/backup/java/com/android/server/backup/BackupManagerService.java b/services/backup/java/com/android/server/backup/BackupManagerService.java index d434d7a..f59ec71 100644 --- a/services/backup/java/com/android/server/backup/BackupManagerService.java +++ b/services/backup/java/com/android/server/backup/BackupManagerService.java @@ -5107,6 +5107,14 @@ public class BackupManagerService extends IBackupManager.Stub { } } + // The path needs to be canonical + if (info.path.contains("..") || info.path.contains("//")) { + if (MORE_DEBUG) { + Slog.w(TAG, "Dropping invalid path " + info.path); + } + return false; + } + // Otherwise we think this file is good to go return true; } @@ -5658,6 +5666,14 @@ if (MORE_DEBUG) Slog.v(TAG, " + got " + nRead + "; now wanting " + (size - soF break; } + // The path needs to be canonical + if (info.path.contains("..") || info.path.contains("//")) { + if (MORE_DEBUG) { + Slog.w(TAG, "Dropping invalid path " + info.path); + } + okay = false; + } + // If the policy is satisfied, go ahead and set up to pipe the // data to the agent. if (DEBUG && okay && mAgent != null) { |