зеркало из https://github.com/mozilla/gecko-dev.git
62 строки
1.9 KiB
C++
62 строки
1.9 KiB
C++
/* -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 8 -*- */
|
|
/* vim: set sw=4 ts=8 et tw=80 ft=cpp : */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
include protocol PBrowser;
|
|
include PBrowserOrId;
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
// An IPCTabContext which corresponds to a PBrowser opened by a child when it
|
|
// receives window.open().
|
|
//
|
|
// If isBrowserElement is false, this PopupIPCTabContext corresponds to an app
|
|
// frame, and the frame's app-id and app-frame-owner-app-id will be equal to the
|
|
// opener's values.
|
|
//
|
|
// If isBrowserElement is true, the frame's browserFrameOwnerAppId will be equal
|
|
// to the opener's app-id.
|
|
//
|
|
// It's an error to set isBrowserElement == false if opener is a browser
|
|
// element. Such a PopupIPCTabContext should be rejected by code which receives
|
|
// it.
|
|
struct PopupIPCTabContext
|
|
{
|
|
PBrowserOrId opener;
|
|
bool isBrowserElement;
|
|
};
|
|
|
|
// An IPCTabContext which corresponds to an app, browser, or normal frame.
|
|
struct FrameIPCTabContext
|
|
{
|
|
// The stringified originAttributes dictionary.
|
|
nsCString originSuffix;
|
|
|
|
// The ID of the app containing this app/browser frame, if applicable.
|
|
uint32_t frameOwnerAppId;
|
|
};
|
|
|
|
// IPCTabContext is an analog to mozilla::dom::TabContext. Both specify an
|
|
// iframe/PBrowser's own and containing app-ids and tell you whether the
|
|
// iframe/PBrowser is a browser frame. But only IPCTabContext is allowed to
|
|
// travel over IPC.
|
|
//
|
|
// We need IPCTabContext (specifically, PopupIPCTabContext) to prevent a
|
|
// privilege escalation attack by a compromised child process. See the comment
|
|
// on AllocPBrowser for details.
|
|
union IPCTabContextUnion
|
|
{
|
|
PopupIPCTabContext;
|
|
FrameIPCTabContext;
|
|
};
|
|
|
|
struct IPCTabContext {
|
|
IPCTabContextUnion contextUnion;
|
|
};
|
|
|
|
}
|
|
}
|