| // 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 EXTENSIONS_BROWSER_BAD_MESSAGE_H_ |
| #define EXTENSIONS_BROWSER_BAD_MESSAGE_H_ |
| |
| namespace content { |
| class BrowserMessageFilter; |
| class RenderProcessHost; |
| } |
| |
| namespace extensions { |
| 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 { |
| EOG_BAD_ORIGIN = 0, |
| EVG_BAD_ORIGIN = 1, |
| BH_BLOB_NOT_OWNED = 2, |
| EH_BAD_EVENT_ID = 3, |
| AVG_BAD_INST_ID = 4, |
| AVG_BAD_EXT_ID = 5, |
| AVG_NULL_AVG = 6, |
| // Invalid decrement of an Extensions SW ref count. |
| ESWMF_INVALID_DECREMENT_ACTIVITY = 7, |
| EFD_BAD_MESSAGE = 8, |
| EFD_BAD_MESSAGE_WORKER = 9, |
| WVG_PARTITION_ID_NOT_UTF8 = 10, |
| ESWMF_BAD_EVENT_ACK = 11, |
| MHVG_INVALID_PLUGIN_FRAME_ID = 12, |
| EMF_INVALID_CHANNEL_SOURCE_TYPE = 13, |
| EMF_NO_EXTENSION_ID_FOR_EXTENSION_SOURCE = 14, |
| EMF_INVALID_EXTENSION_ID_FOR_EXTENSION_SOURCE = 15, |
| EMF_INVALID_EXTENSION_ID_FOR_CONTENT_SCRIPT = 16, |
| EMF_INVALID_EXTENSION_ID_FOR_WORKER_CONTEXT = 17, |
| EMF_INVALID_PORT_CONTEXT = 18, |
| // Please add new elements here. The naming convention is abbreviated class |
| // name (e.g. ExtensionHost becomes EH) 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 normal or an |
| // extension 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); |
| |
| // Same as ReceivedBadMessage above, but takes a render process id. Non-existent |
| // render process ids are ignored. |
| void ReceivedBadMessage(int render_process_id, BadMessageReason reason); |
| |
| // Called when a browser message filter receives a bad IPC message from a |
| // renderer or other child 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 extensions |
| |
| #endif // EXTENSIONS_BROWSER_BAD_MESSAGE_H_ |