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/*
* Copyright (C) 2010 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "PluginTest.h"
#include "PluginObject.h"
using namespace std;
// Passing null for our NPP_GetValue function pointer should not crash.
class NullNPPGetValuePointer : public PluginTest {
public:
NullNPPGetValuePointer(NPP, const string& identifier);
private:
virtual NPError NPP_Destroy(NPSavedData**);
virtual NPError NPP_GetValue(NPPVariable, void* value);
NPP_GetValueProcPtr m_originalNPPGetValuePointer;
};
static PluginTest::Register<NullNPPGetValuePointer> registrar("null-npp-getvalue-pointer");
NullNPPGetValuePointer::NullNPPGetValuePointer(NPP npp, const string& identifier)
: PluginTest(npp, identifier)
, m_originalNPPGetValuePointer(pluginFunctions->getvalue)
{
// Be sneaky and null out the getvalue pointer the browser is holding. This simulates a plugin
// that doesn't implement NPP_GetValue (like Shockwave Director 10.3 on Windows). Note that if
// WebKit copies the NPPluginFuncs struct this technique will have no effect and WebKit will
// call into our NPP_GetValue implementation.
pluginFunctions->getvalue = 0;
}
NPError NullNPPGetValuePointer::NPP_Destroy(NPSavedData**)
{
// Set the NPP_GetValue pointer back the way it was before we mucked with it so we don't mess
// up future uses of the plugin module.
pluginFunctions->getvalue = m_originalNPPGetValuePointer;
return NPERR_NO_ERROR;
}
NPError NullNPPGetValuePointer::NPP_GetValue(NPPVariable, void*)
{
pluginLog(m_npp, "NPP_GetValue was called but should not have been. Maybe WebKit copied the NPPluginFuncs struct, which would invalidate this test.");
return NPERR_GENERIC_ERROR;
}
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