components/password_manager/content/browser/bad_message.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_PASSWORD_MANAGER_CONTENT_BROWSER_BAD_MESSAGE_H_
   6 #define COMPONENTS_PASSWORD_MANAGER_CONTENT_BROWSER_BAD_MESSAGE_H_
   7
   8 namespace content {
   9 class RenderProcessHost;
  10 }
  11
  12 namespace password_manager {
  13 // The browser process often chooses to terminate a renderer if it receives
  14 // a bad IPC message. The reasons are tracked for metrics.
  15 //
  16 // See also content/browser/bad_message.h.
  17 //
  18 // NOTE: Do not remove or reorder elements in this list. Add new entries at the
  19 // end. Items may be renamed but do not change the values. We rely on the enum
  20 // values in histograms.
  21 enum class BadMessageReason {
  22   CPMD_BAD_ORIGIN_FORMS_PARSED = 1,
  23   CPMD_BAD_ORIGIN_FORMS_RENDERED = 2,
  24   CPMD_BAD_ORIGIN_FORM_SUBMITTED = 3,
  25   CPMD_BAD_ORIGIN_FOCUSED_PASSWORD_FORM_FOUND = 4,
  26   CPMD_BAD_ORIGIN_IN_PAGE_NAVIGATION = 5,
  27   CPMD_BAD_ORIGIN_PASSWORD_NO_LONGER_GENERATED = 6,
  28
  29   // Please add new elements here. The naming convention is abbreviated class
  30   // name (e.g. ContentPasswordManagerDriver becomes CPMD) plus a unique
  31   // description of the reason. After making changes, you MUST update
  32   // histograms.xml by running:
  33   // "python tools/metrics/histograms/update_bad_message_reasons.py"
  34   BAD_MESSAGE_MAX
  35 };
  36
  37 namespace bad_message {
  38 // Called when the browser receives a bad IPC message from a renderer process on
  39 // the UI thread. Logs the event, records a histogram metric for the |reason|,
  40 // and terminates the process for |host|.
  41 void ReceivedBadMessage(content::RenderProcessHost* host,
  42                         BadMessageReason reason);
  43
  44 }  // namespace bad_message
  45 }  // namespace password_manager
  46
  47 #endif  // COMPONENTS_PASSWORD_MANAGER_CONTENT_BROWSER_BAD_MESSAGE_H_