| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef COMPONENTS_GUEST_VIEW_BROWSER_BAD_MESSAGE_H_ |
| #define COMPONENTS_GUEST_VIEW_BROWSER_BAD_MESSAGE_H_ |
| |
| namespace content { |
| class BrowserMessageFilter; |
| class RenderProcessHost; |
| } // namespace content |
| |
| namespace guest_view { |
| namespace bad_message { |
| |
| // The browser process often chooses to terminate a renderer if it receives |
| // a bad IPC message. The reasons are tracked for metrics. |
| // |
| // See also content/browser/bad_message.h. |
| // |
| // NOTE: Do not remove or reorder elements in this list. Add new entries at the |
| // end. Items may be renamed but do not change the values. We rely on the enum |
| // values in histograms. |
| enum BadMessageReason { |
| GVM_EMBEDDER_FORBIDDEN_ACCESS_TO_GUEST = 0, |
| GVM_INVALID_GUESTVIEW_TYPE = 1, |
| GVMF_UNEXPECTED_MESSAGE_BEFORE_GVM_CREATION = 2, |
| |
| // Please add new elements here. The naming convention is abbreviated class |
| // name (e.g. GuestViewManager becomes GVM) plus a unique description of |
| // the reason. After making changes, you MUST update histograms.xml by |
| // running: |
| // "python tools/metrics/histograms/update_bad_message_reasons.py" |
| BAD_MESSAGE_MAX |
| }; |
| |
| // Called when the browser receives a bad IPC message from a renderer. |
| // Logs the event, records a histogram metric for the |reason|, |
| // and terminates the process for |host| / |render_process_id|. |
| void ReceivedBadMessage(content::RenderProcessHost* host, |
| BadMessageReason reason); |
| void ReceivedBadMessage(int render_process_id, BadMessageReason reason); |
| |
| // Called when a browser message filter receives a bad IPC message from a |
| // renderer process. Logs the event, records a histogram metric for the |
| // |reason|, and terminates the process for |filter|. |
| void ReceivedBadMessage(content::BrowserMessageFilter* filter, |
| BadMessageReason reason); |
| |
| } // namespace bad_message |
| } // namespace guest_view |
| |
| #endif // COMPONENTS_GUEST_VIEW_BROWSER_BAD_MESSAGE_H_ |