| // Copyright 2015 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 CONTENT_BROWSER_BAD_MESSAGE_H_ |
| #define CONTENT_BROWSER_BAD_MESSAGE_H_ |
| |
| namespace content { |
| class RenderProcessHost; |
| |
| 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. |
| // |
| // Content embedders should implement their own bad message statistics but |
| // should use similar histogram names to make analysis easier. |
| // |
| // 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 { |
| NC_IN_PAGE_NAVIGATION = 0, |
| RFH_CAN_COMMIT_URL_BLOCKED, |
| RFH_CAN_ACCESS_FILES_OF_PAGE_STATE, |
| RFH_SANDBOX_FLAGS, |
| RFH_NO_PROXY_TO_PARENT, |
| RPH_DESERIALIZATION_FAILED, |
| RVH_CAN_ACCESS_FILES_OF_PAGE_STATE, |
| RVH_FILE_CHOOSER_PATH, |
| RWH_SYNTHETIC_GESTURE, |
| RWH_FOCUS, |
| RWH_BLUR, |
| RWH_SHARED_BITMAP, |
| RWH_BAD_ACK_MESSAGE, |
| RWHVA_SHARED_MEMORY, |
| SERVICE_WORKER_BAD_URL, |
| WC_INVALID_FRAME_SOURCE, |
| RWHVM_UNEXPECTED_FRAME_TYPE, |
| RFPH_DETACH, |
| DFH_BAD_EMBEDDER_MESSAGE, |
| NC_AUTO_SUBFRAME, |
| // Please add new elements here. The naming convention is abbreviated class |
| // name (e.g. RenderFrameHost becomes RFH) plus a unique description of the |
| // reason. |
| BAD_MESSAGE_MAX |
| }; |
| |
| // Called when the browser receives a bad IPC message from a renderer process. |
| // Logs the event, records a histogram metric for the |reason|, and terminates |
| // the process for |host|. |
| void ReceivedBadMessage(RenderProcessHost* host, BadMessageReason reason); |
| |
| } // namespace bad_message |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_BAD_MESSAGE_H_ |