RetroZilla/modules/plugin/tools/spy/common/npp_gate.cpp

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2015-10-21 05:03:22 +02:00
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "xp.h"
#include "epmanager.h"
#include "plugload.h"
#include "logger.h"
extern NPNetscapeFuncs NPNFuncs;
extern Logger * logger;
NPNetscapeFuncs fakeNPNFuncs;
extern NPPEntryPointManager * epManager;
jref NPP_GetJavaClass (void)
{
if(logger)
logger->logCall(action_npp_get_java_class);
if(logger)
logger->logReturn();
return NULL;
}
NPError NPP_New(NPMIMEType pluginType,
NPP instance,
uint16 mode,
int16 argc,
char* argn[],
char* argv[],
NPSavedData* saved)
{
if(epManager == NULL)
return NPERR_GENERIC_ERROR;
if(instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
if(logger)
logger->logCall(action_npp_new, (DWORD)pluginType, (DWORD)instance, (DWORD)mode, (DWORD)argc, (DWORD)argn, (DWORD)argv, (DWORD)saved);
/* now action begins */
if(NULL == epManager->findEntryPointsForPlugin(pluginType))
{
// if it is first time in, we don't have it yet
// scan plugins dir for available plugins to see if we have anything
// for the given mimetype
XP_HLIB hLib = LoadRealPlugin(pluginType);
if(!hLib)
{
// what do we do if we don't?
return NPERR_GENERIC_ERROR;
}
NP_GETENTRYPOINTS real_NP_GetEntryPoints = (NP_GETENTRYPOINTS)XP_GetSymbol(hLib, "NP_GetEntryPoints");
if(!real_NP_GetEntryPoints)
return NPERR_GENERIC_ERROR;
NP_INITIALIZE real_NP_Initialize = (NP_INITIALIZE)XP_GetSymbol(hLib, "NP_Initialize");
if(!real_NP_Initialize)
return NPERR_GENERIC_ERROR;
NP_SHUTDOWN real_NP_Shutdown = (NP_SHUTDOWN)XP_GetSymbol(hLib, "NP_Shutdown");
if(!real_NP_Shutdown)
return NPERR_GENERIC_ERROR;
// fill callbacks structs
NPPluginFuncs realNPPFuncs;
memset(&realNPPFuncs, 0, sizeof(NPPluginFuncs));
realNPPFuncs.size = sizeof(NPPluginFuncs);
real_NP_GetEntryPoints(&realNPPFuncs);
if(logger)
logger->logSPY_NP_GetEntryPoints(&realNPPFuncs);
// store the table with the entry point manager
epManager->createEntryPointsForPlugin(pluginType, &realNPPFuncs, real_NP_Shutdown, hLib);
// inform the plugin about our entry point it should call
memset((void *)&fakeNPNFuncs, 0, sizeof(fakeNPNFuncs));
fakeNPNFuncs.size = sizeof(fakeNPNFuncs);
fakeNPNFuncs.version = NPNFuncs.version;
fakeNPNFuncs.geturlnotify = NPN_GetURLNotify;
fakeNPNFuncs.geturl = NPN_GetURL;
fakeNPNFuncs.posturlnotify = NPN_PostURLNotify;
fakeNPNFuncs.posturl = NPN_PostURL;
fakeNPNFuncs.requestread = NPN_RequestRead;
fakeNPNFuncs.newstream = NPN_NewStream;
fakeNPNFuncs.write = NPN_Write;
fakeNPNFuncs.destroystream = NPN_DestroyStream;
fakeNPNFuncs.status = NPN_Status;
fakeNPNFuncs.uagent = NPN_UserAgent;
fakeNPNFuncs.memalloc = NPN_MemAlloc;
fakeNPNFuncs.memfree = NPN_MemFree;
fakeNPNFuncs.memflush = NPN_MemFlush;
fakeNPNFuncs.reloadplugins = NPN_ReloadPlugins;
fakeNPNFuncs.getJavaEnv = NPN_GetJavaEnv;
fakeNPNFuncs.getJavaPeer = NPN_GetJavaPeer;
fakeNPNFuncs.getvalue = NPN_GetValue;
fakeNPNFuncs.setvalue = NPN_SetValue;
fakeNPNFuncs.invalidaterect = NPN_InvalidateRect;
fakeNPNFuncs.invalidateregion = NPN_InvalidateRegion;
fakeNPNFuncs.forceredraw = NPN_ForceRedraw;
if(logger)
logger->logSPY_NP_Initialize();
real_NP_Initialize(&fakeNPNFuncs);
}
NPError rv = epManager->callNPP_New(pluginType, instance, mode, argc, argn, argv, saved);
if(logger)
logger->logReturn();
return rv;
}
NPError NPP_Destroy (NPP instance, NPSavedData** save)
{
if(epManager == NULL)
return NPERR_GENERIC_ERROR;
if(instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
BOOL last = FALSE;
if(logger)
logger->logCall(action_npp_destroy, (DWORD)instance, (DWORD)save);
NPError rv = epManager->callNPP_Destroy(instance, save, &last);
if(logger)
logger->logReturn();
if(last && logger->bSPALID)
{
// this will log it
epManager->callNP_Shutdown(instance);
XP_HLIB hLib = NULL;
epManager->removeEntryPointsForPlugin(instance, &hLib);
UnloadRealPlugin(hLib);
}
return rv;
}
NPError NPP_SetWindow (NPP instance, NPWindow* pNPWindow)
{
if(epManager == NULL)
return NPERR_GENERIC_ERROR;
if(instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
if(logger)
logger->logCall(action_npp_set_window, (DWORD)instance, (DWORD)pNPWindow);
NPError rv = epManager->callNPP_SetWindow(instance, pNPWindow);
if(logger)
logger->logReturn();
return rv;
}
NPError NPP_NewStream(NPP instance,
NPMIMEType type,
NPStream* stream,
NPBool seekable,
uint16* stype)
{
if(epManager == NULL)
return NPERR_GENERIC_ERROR;
if(instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
if(logger)
logger->logCall(action_npp_new_stream, (DWORD)instance, (DWORD)type, (DWORD)stream, (DWORD)seekable, (DWORD)stype);
NPError rv = epManager->callNPP_NewStream(instance, type, stream, seekable, stype);
if(logger)
logger->logReturn();
return rv;
}
int32 NPP_WriteReady (NPP instance, NPStream *stream)
{
if(epManager == NULL)
return NPERR_GENERIC_ERROR;
if(instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
if(logger)
logger->logCall(action_npp_write_ready, (DWORD)instance, (DWORD)stream);
int32 rv = epManager->callNPP_WriteReady(instance, stream);
if(logger)
logger->logReturn();
return rv;
}
int32 NPP_Write (NPP instance, NPStream *stream, int32 offset, int32 len, void *buffer)
{
if(epManager == NULL)
return NPERR_GENERIC_ERROR;
if(instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
if(logger)
logger->logCall(action_npp_write, (DWORD)instance, (DWORD)stream, (DWORD)offset, (DWORD)len, (DWORD)buffer);
int32 rv = epManager->callNPP_Write(instance, stream, offset, len, buffer);
if(logger)
logger->logReturn();
return rv;
}
NPError NPP_DestroyStream (NPP instance, NPStream *stream, NPError reason)
{
if(epManager == NULL)
return NPERR_GENERIC_ERROR;
if(instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
if(logger)
logger->logCall(action_npp_destroy_stream, (DWORD)instance, (DWORD)stream, (DWORD)reason);
NPError rv = epManager->callNPP_DestroyStream(instance, stream, reason);
if(logger)
logger->logReturn();
return rv;
}
void NPP_StreamAsFile (NPP instance, NPStream* stream, const char* fname)
{
if(epManager == NULL)
return;
if(instance == NULL)
return;
if(logger)
logger->logCall(action_npp_stream_as_file, (DWORD)instance, (DWORD)stream, (DWORD)fname);
epManager->callNPP_StreamAsFile(instance, stream, fname);
}
void NPP_Print (NPP instance, NPPrint* printInfo)
{
if(epManager == NULL)
return;
if(logger)
logger->logCall(action_npp_print, (DWORD)instance, (DWORD)printInfo);
epManager->callNPP_Print(instance, printInfo);
}
void NPP_URLNotify(NPP instance, const char* url, NPReason reason, void* notifyData)
{
if(epManager == NULL)
return;
if(instance == NULL)
return;
if(logger)
logger->logCall(action_npp_url_notify, (DWORD)instance, (DWORD)url, (DWORD)reason, (DWORD)notifyData);
epManager->callNPP_URLNotify(instance, url, reason, notifyData);
}
NPError NPP_GetValue(NPP instance, NPPVariable variable, void *value)
{
if(epManager == NULL)
return NPERR_GENERIC_ERROR;
if(instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
if(logger)
logger->logCall(action_npp_get_value, (DWORD)instance, (DWORD)variable, (DWORD)value);
NPError rv = epManager->callNPP_GetValue(instance, variable, value);
if(logger)
logger->logReturn();
return rv;
}
NPError NPP_SetValue(NPP instance, NPNVariable variable, void *value)
{
if(epManager == NULL)
return NPERR_GENERIC_ERROR;
if(instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
if(logger)
logger->logCall(action_npp_set_value, (DWORD)instance, (DWORD)variable, (DWORD)value);
NPError rv = epManager->callNPP_SetValue(instance, variable, value);
if(logger)
logger->logReturn();
return rv;
}
int16 NPP_HandleEvent(NPP instance, void* event)
{
if(epManager == NULL)
return 0;
if(instance == NULL)
return 0;
if(logger)
logger->logCall(action_npp_handle_event, (DWORD)instance, (DWORD)event);
int16 rv = epManager->callNPP_HandleEvent(instance, event);
if(logger)
logger->logReturn();
return rv;
}