mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
142 lines
5.7 KiB
C++
142 lines
5.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set sw=2 ts=8 et tw=80 : */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_net_NeckoCommon_h
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#define mozilla_net_NeckoCommon_h
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#include "nsXULAppAPI.h"
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#include "prenv.h"
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#include "nsPrintfCString.h"
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#include "mozilla/Preferences.h"
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namespace mozilla { namespace dom {
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class TabChild;
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} // namespace dom
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} // namespace mozilla
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#if defined(DEBUG)
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# define NECKO_ERRORS_ARE_FATAL_DEFAULT true
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#else
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# define NECKO_ERRORS_ARE_FATAL_DEFAULT false
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#endif
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// TODO: Eventually remove NECKO_MAYBE_ABORT and DROP_DEAD (bug 575494).
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// Still useful for catching listener interfaces we don't yet support across
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// processes, etc.
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#define NECKO_MAYBE_ABORT(msg) \
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do { \
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bool abort = NECKO_ERRORS_ARE_FATAL_DEFAULT; \
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const char *e = PR_GetEnv("NECKO_ERRORS_ARE_FATAL"); \
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if (e) \
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abort = (*e == '0') ? false : true; \
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if (abort) { \
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msg.Append(" (set NECKO_ERRORS_ARE_FATAL=0 in your environment to " \
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"convert this error into a warning.)"); \
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NS_RUNTIMEABORT(msg.get()); \
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} else { \
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msg.Append(" (set NECKO_ERRORS_ARE_FATAL=1 in your environment to " \
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"convert this warning into a fatal error.)"); \
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NS_WARNING(msg.get()); \
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} \
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} while (0)
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#define DROP_DEAD() \
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do { \
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nsPrintfCString msg("NECKO ERROR: '%s' UNIMPLEMENTED", \
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__FUNCTION__); \
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NECKO_MAYBE_ABORT(msg); \
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return NS_ERROR_NOT_IMPLEMENTED; \
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} while (0)
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#define ENSURE_CALLED_BEFORE_ASYNC_OPEN() \
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do { \
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if (mIsPending || mWasOpened) { \
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nsPrintfCString msg("'%s' called after AsyncOpen: %s +%d", \
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__FUNCTION__, __FILE__, __LINE__); \
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NECKO_MAYBE_ABORT(msg); \
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} \
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NS_ENSURE_TRUE(!mIsPending, NS_ERROR_IN_PROGRESS); \
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NS_ENSURE_TRUE(!mWasOpened, NS_ERROR_ALREADY_OPENED); \
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} while (0)
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// Fails call if made after request observers (on-modify-request, etc) have been
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// called
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#define ENSURE_CALLED_BEFORE_CONNECT() \
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do { \
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if (mRequestObserversCalled) { \
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nsPrintfCString msg("'%s' called too late: %s +%d", \
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__FUNCTION__, __FILE__, __LINE__); \
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NECKO_MAYBE_ABORT(msg); \
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if (mIsPending) \
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return NS_ERROR_IN_PROGRESS; \
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MOZ_ASSERT(mWasOpened); \
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return NS_ERROR_ALREADY_OPENED; \
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} \
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} while (0)
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namespace mozilla {
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namespace net {
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inline bool
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IsNeckoChild()
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{
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static bool didCheck = false;
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static bool amChild = false;
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if (!didCheck) {
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// This allows independent necko-stacks (instead of single stack in chrome)
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// to still be run.
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// TODO: Remove eventually when no longer supported (bug 571126)
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const char * e = PR_GetEnv("NECKO_SEPARATE_STACKS");
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if (!e)
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amChild = XRE_IsContentProcess();
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didCheck = true;
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}
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return amChild;
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}
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namespace NeckoCommonInternal {
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extern bool gSecurityDisabled;
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extern bool gRegisteredBool;
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} // namespace NeckoCommonInternal
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// This should always return true unless xpcshell tests are being used
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inline bool
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UsingNeckoIPCSecurity()
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{
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if (!NeckoCommonInternal::gRegisteredBool) {
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Preferences::AddBoolVarCache(&NeckoCommonInternal::gSecurityDisabled,
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"network.disable.ipc.security");
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NeckoCommonInternal::gRegisteredBool = true;
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}
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return !NeckoCommonInternal::gSecurityDisabled;
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}
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inline bool
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MissingRequiredTabChild(mozilla::dom::TabChild* tabChild,
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const char* context)
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{
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if (UsingNeckoIPCSecurity()) {
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if (!tabChild) {
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printf_stderr("WARNING: child tried to open %s IPDL channel w/o "
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"security info\n", context);
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return true;
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}
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}
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return false;
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}
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} // namespace net
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} // namespace mozilla
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#endif // mozilla_net_NeckoCommon_h
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