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Merge "Add logging for kernel audit failures, including SELinux."

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Michael Runge
2013-02-14 00:51:16 +00:00
committed by Android (Google) Code Review
parent 805a6fe7b1 51611eb728
commit 044dca285f
1 changed files with 29 additions and 0 deletions
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29
services/java/com/android/server/BootReceiver.java
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@@ -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());
}
}