diff --git a/services/java/com/android/server/BootReceiver.java b/services/java/com/android/server/BootReceiver.java index 235c6620c55c5..3dade3733bb6e 100644 --- a/services/java/com/android/server/BootReceiver.java +++ b/services/java/com/android/server/BootReceiver.java @@ -126,6 +126,7 @@ public class BootReceiver extends BroadcastReceiver { -LOG_SIZE, "APANIC_CONSOLE"); addFileToDropBox(db, prefs, headers, "/data/dontpanic/apanic_threads", -LOG_SIZE, "APANIC_THREADS"); + addAuditErrorsToDropBox(db, prefs, headers, -LOG_SIZE, "SYSTEM_AUDIT"); } else { if (db != null) db.addText("SYSTEM_RESTART", headers); } @@ -174,4 +175,32 @@ public class BootReceiver extends BroadcastReceiver { Slog.i(TAG, "Copying " + filename + " to DropBox (" + tag + ")"); db.addText(tag, headers + FileUtils.readTextFile(file, maxSize, "[[TRUNCATED]]\n")); } + + private static void addAuditErrorsToDropBox(DropBoxManager db, SharedPreferences prefs, + String headers, int maxSize, String tag) throws IOException { + if (db == null || !db.isTagEnabled(tag)) return; // Logging disabled + Slog.i(TAG, "Copying audit failures to DropBox"); + + File file = new File("/proc/last_kmsg"); + long fileTime = file.lastModified(); + if (fileTime <= 0) return; // File does not exist + + if (prefs != null) { + long lastTime = prefs.getLong(tag, 0); + if (lastTime == fileTime) return; // Already logged this particular file + // TODO: move all these SharedPreferences Editor commits + // outside this function to the end of logBootEvents + prefs.edit().putLong(tag, fileTime).apply(); + } + + String log = FileUtils.readTextFile(file, maxSize, "[[TRUNCATED]]\n"); + StringBuilder sb = new StringBuilder(); + for (String line : log.split("\n")) { + if (line.contains("audit")) { + sb.append(line + "\n"); + } + } + Slog.i(TAG, "Copied " + sb.toString().length() + " worth of audits to DropBox"); + db.addText(tag, headers + sb.toString()); + } }