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/*
* YAMN plugin export functions for filtering
*
* (c) majvan 2002-2004
*/
#include "stdafx.h"
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
PYAMN_FILTERPLUGINQUEUE FirstFilterPlugin=nullptr;
INT_PTR RegisterFilterPluginSvc(WPARAM,LPARAM);
//Removes plugin from queue and deletes its structures
INT_PTR UnregisterFilterPlugin(HYAMNFILTERPLUGIN Plugin);
INT_PTR UnregisterFilterPluginSvc(WPARAM wParam,LPARAM lParam);
//Removes all filter plugins
INT_PTR UnregisterFilterPlugins();
INT_PTR FilterMailSvc(WPARAM,LPARAM);
//Sets imported functions for an plugin and therefore it starts plugin to be registered and running
// Plugin- plugin, which wants to set its functions
// Importance- importance of plugin (see m_filterplugin.h)
// YAMNFilterFcn- pointer to imported functions
// YAMNfilterFcnVer- version of YAMN_FILTERIMPORTFCN, use YAMN_FILTERIMPORTFCNVERSION
// returns nonzero if success
int WINAPI SetFilterPluginFcnImportFcn(HYAMNFILTERPLUGIN Plugin,DWORD Importance,PYAMN_FILTERIMPORTFCN YAMNFilterFcn,DWORD YAMNFilterFcnVer);
struct CExportedFunctions FilterPluginExportedFcn[]=
{
{YAMN_SETFILTERPLUGINFCNIMPORTID,(void *)SetFilterPluginFcnImportFcn},
};
struct CExportedServices FilterPluginExportedSvc[]=
{
{MS_YAMN_REGISTERFILTERPLUGIN,RegisterFilterPluginSvc},
{MS_YAMN_UNREGISTERFILTERPLUGIN,UnregisterFilterPluginSvc},
};
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
INT_PTR RegisterFilterPluginSvc(WPARAM wParam,LPARAM lParam)
{
PYAMN_FILTERREGISTRATION Registration=(PYAMN_FILTERREGISTRATION)wParam;
HYAMNFILTERPLUGIN Plugin;
if (lParam != YAMN_FILTERREGISTRATIONVERSION)
return 0;
if ((Registration->Name==nullptr) || (Registration->Ver==nullptr))
return NULL;
if (nullptr==(Plugin=new YAMN_FILTERPLUGIN))
return NULL;
Plugin->PluginInfo=Registration;
Plugin->FilterFcn=nullptr;
#ifdef DEBUG_SYNCHRO
DebugLog(SynchroFile,"::: YAMN- new filter registered: %0x (%s) :::\n",Plugin,Registration->Name);
#endif
return (INT_PTR)Plugin;
}
INT_PTR UnregisterFilterPlugin(HYAMNFILTERPLUGIN Plugin)
{
PYAMN_FILTERPLUGINQUEUE Parser,Found;
if (FirstFilterPlugin->Plugin==Plugin)
{
Found=FirstFilterPlugin;
FirstFilterPlugin=FirstFilterPlugin->Next;
}
else
{
for (Parser=FirstFilterPlugin;(Parser->Next != nullptr) && (Plugin != Parser->Next->Plugin);Parser=Parser->Next);
if (Parser->Next != nullptr)
{
Found=Parser->Next;
Parser->Next=Parser->Next->Next;
}
else
Found=nullptr;
}
if (Found != nullptr)
{
if (Plugin->FilterFcn->UnLoadFcn != nullptr)
Plugin->FilterFcn->UnLoadFcn((void *)nullptr);
delete Found->Plugin;
delete Found;
#ifdef DEBUG_SYNCHRO
DebugLog(SynchroFile,"::: YAMN- filter %0x unregistered :::\n",Plugin);
#endif
}
else
return 0;
return 1;
}
INT_PTR UnregisterFilterPluginSvc(WPARAM wParam,LPARAM)
{
HYAMNFILTERPLUGIN Plugin=(HYAMNFILTERPLUGIN)wParam;
mir_cslock lck(PluginRegCS);
UnregisterFilterPlugin(Plugin);
return 1;
}
INT_PTR UnregisterFilterPlugins()
{
mir_cslock lck(PluginRegCS);
// We remove protocols from the protocol list
while(FirstFilterPlugin != nullptr)
UnregisterFilterPlugin(FirstFilterPlugin->Plugin);
return 1;
}
int WINAPI SetFilterPluginFcnImportFcn(HYAMNFILTERPLUGIN Plugin,DWORD Importance,PYAMN_FILTERIMPORTFCN YAMNFilterFcn,DWORD YAMNFilterFcnVer)
{
PYAMN_FILTERPLUGINQUEUE Parser,Previous;
if (YAMNFilterFcnVer != YAMN_FILTERIMPORTFCNVERSION)
return 0;
if (YAMNFilterFcn==nullptr)
return 0;
#ifdef DEBUG_SYNCHRO
DebugLog(SynchroFile,"::: YAMN- filter %0x import succeed :::\n",Plugin);
#endif
Plugin->Importance=Importance;
Plugin->FilterFcn=YAMNFilterFcn;
mir_cslock lck(PluginRegCS);
// We add protocol to the protocol list
for (Previous = nullptr, Parser = FirstFilterPlugin; Parser != nullptr && Parser->Next != nullptr && Parser->Plugin->Importance <= Importance; Previous = Parser, Parser = Parser->Next);
if (Previous==nullptr) //insert to the beginnig of queue
{
FirstFilterPlugin=new YAMN_FILTERPLUGINQUEUE;
FirstFilterPlugin->Plugin=Plugin;
FirstFilterPlugin->Next=Parser;
}
else
{
Previous->Next=new YAMN_FILTERPLUGINQUEUE;
Previous=Previous->Next; //leave previous, go to actual plugin
Previous->Plugin=Plugin;
Previous->Next=Parser; //and in actual plugin set, that next plugin is the one we insert in front of
}
return 1;
}
INT_PTR FilterMailSvc(WPARAM wParam,LPARAM lParam)
{
HACCOUNT Account=(HACCOUNT)wParam;
HYAMNMAIL Mail=(HYAMNMAIL)lParam;
PYAMN_FILTERPLUGINQUEUE ActualPlugin;
mir_cslock lck(PluginRegCS);
#ifdef DEBUG_SYNCHRO
DebugLog(SynchroFile,"FilterMail:ActualAccountMsgsSO-write wait\n");
#endif
WaitToWriteFcn(Account->MessagesAccessSO);
#ifdef DEBUG_SYNCHRO
DebugLog(SynchroFile,"FilterMail:ActualAccountMsgsSO-write enter\n");
#endif
for (ActualPlugin=FirstFilterPlugin;ActualPlugin != nullptr;ActualPlugin=ActualPlugin->Next)
{
if (ActualPlugin->Plugin->FilterFcn->FilterMailFcnPtr != nullptr)
{
#ifdef DEBUG_SYNCHRO
DebugLog(SynchroFile,"\tFiltering Mail, running plugin %0x to filter mail\n",ActualPlugin->Plugin);
#endif
ActualPlugin->Plugin->FilterFcn->FilterMailFcnPtr(Account,YAMN_ACCOUNTVERSION,Mail,YAMN_MAILVERSION);
#ifdef DEBUG_SYNCHRO
DebugLog(SynchroFile,"\tFiltering Mail done\n");
#endif
}
}
Mail->Flags|=YAMN_MSG_FILTERED;
//Set mail flags according to spamlevel settings
if ((Mail->Flags & YAMN_MSG_SPAMMASK) > YAMN_MSG_SPAML1)
Mail->Flags=Mail->Flags & ~(YAMN_MSG_BROWSER | YAMN_MSG_POPUP | YAMN_MSG_SYSTRAY | YAMN_MSG_SOUND | YAMN_MSG_APP | YAMN_MSG_NEVENT);
if (YAMN_MSG_SPAML(Mail->Flags,YAMN_MSG_SPAML3) || YAMN_MSG_SPAML(Mail->Flags,YAMN_MSG_SPAML4))
Mail->Flags=Mail->Flags | (YAMN_MSG_AUTODELETE | YAMN_MSG_DELETEOK); //set message to delete
if (YAMN_MSG_SPAML(Mail->Flags,YAMN_MSG_SPAML3))
Mail->Flags=Mail->Flags & ~(YAMN_MSG_MEMDELETE); //set message not to delete it immidiatelly from memory
#ifdef DEBUG_SYNCHRO
DebugLog(SynchroFile,"FilterMail:ActualAccountMsgsSO-write done\n");
#endif
WriteDoneFcn(Account->MessagesAccessSO);
return 1;
}
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