зеркало из https://github.com/mozilla/gecko-dev.git
96 строки
3.7 KiB
C
96 строки
3.7 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 nsPluginSafety_h_
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#define nsPluginSafety_h_
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#include "npapi.h"
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#include "nsPluginHost.h"
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#include <prinrval.h>
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#if defined(XP_WIN)
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#define CALL_SAFETY_ON
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#endif
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void NS_NotifyPluginCall(PRIntervalTime);
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#ifdef CALL_SAFETY_ON
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#include "mozilla/Preferences.h"
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extern bool gSkipPluginSafeCalls;
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#define NS_INIT_PLUGIN_SAFE_CALLS \
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PR_BEGIN_MACRO \
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gSkipPluginSafeCalls = \
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::mozilla::Preferences::GetBool("plugin.dont_try_safe_calls", \
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gSkipPluginSafeCalls); \
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PR_END_MACRO
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#define NS_TRY_SAFE_CALL_RETURN(ret, fun, pluginInst) \
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PR_BEGIN_MACRO \
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PRIntervalTime startTime = PR_IntervalNow(); \
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if(gSkipPluginSafeCalls) \
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ret = fun; \
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else \
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{ \
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MOZ_SEH_TRY \
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{ \
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ret = fun; \
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} \
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MOZ_SEH_EXCEPT(true) \
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{ \
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nsresult res; \
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nsCOMPtr<nsIPluginHost> host(do_GetService(MOZ_PLUGIN_HOST_CONTRACTID, &res));\
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if(NS_SUCCEEDED(res) && (host != nullptr)) \
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static_cast<nsPluginHost*>(host.get())->HandleBadPlugin(nullptr, pluginInst); \
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ret = (NPError)NS_ERROR_FAILURE; \
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} \
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} \
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NS_NotifyPluginCall(startTime); \
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PR_END_MACRO
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#define NS_TRY_SAFE_CALL_VOID(fun, pluginInst) \
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PR_BEGIN_MACRO \
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PRIntervalTime startTime = PR_IntervalNow(); \
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if(gSkipPluginSafeCalls) \
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fun; \
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else \
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{ \
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MOZ_SEH_TRY \
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{ \
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fun; \
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} \
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MOZ_SEH_EXCEPT(true) \
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{ \
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nsresult res; \
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nsCOMPtr<nsIPluginHost> host(do_GetService(MOZ_PLUGIN_HOST_CONTRACTID, &res));\
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if(NS_SUCCEEDED(res) && (host != nullptr))\
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static_cast<nsPluginHost*>(host.get())->HandleBadPlugin(nullptr, pluginInst);\
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} \
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} \
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NS_NotifyPluginCall(startTime); \
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PR_END_MACRO
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#else // vanilla calls
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#define NS_TRY_SAFE_CALL_RETURN(ret, fun, pluginInst) \
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PR_BEGIN_MACRO \
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PRIntervalTime startTime = PR_IntervalNow(); \
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ret = fun; \
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NS_NotifyPluginCall(startTime); \
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PR_END_MACRO
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#define NS_TRY_SAFE_CALL_VOID(fun, pluginInst) \
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PR_BEGIN_MACRO \
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PRIntervalTime startTime = PR_IntervalNow(); \
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fun; \
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NS_NotifyPluginCall(startTime); \
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PR_END_MACRO
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#endif // CALL_SAFETY_ON
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#endif //nsPluginSafety_h_
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