92 lines
2.4 KiB
C++
92 lines
2.4 KiB
C++
/**
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* ===============================================================
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* SourceMod (C)2004-2007 AlliedModders LLC. All rights reserved.
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* ===============================================================
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*
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* This file is not open source and may not be copied without explicit
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* written permission of AlliedModders LLC. This file may not be redistributed
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* in whole or significant part.
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* For information, see LICENSE.txt or http://www.sourcemod.net/license.php
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*
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* Version: $Id$
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*/
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#include "sm_globals.h"
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#include "HandleSys.h"
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#include "PluginSys.h"
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static cell_t sm_IsValidHandle(IPluginContext *pContext, const cell_t *params)
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{
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Handle_t hndl = static_cast<Handle_t>(params[1]);
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HandleError err = g_HandleSys.ReadHandle(hndl, 0, NULL, NULL);
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if (err != HandleError_Access
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&& err != HandleError_None)
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{
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return 0;
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}
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return 1;
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}
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static cell_t sm_CloseHandle(IPluginContext *pContext, const cell_t *params)
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{
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Handle_t hndl = static_cast<Handle_t>(params[1]);
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HandleSecurity sec;
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sec.pIdentity = NULL;
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sec.pOwner = pContext->GetIdentity();
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HandleError err = g_HandleSys.FreeHandle(hndl, &sec);
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if (err == HandleError_None)
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{
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return 1;
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} else if (err == HandleError_Access) {
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return 0;
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} else {
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return pContext->ThrowNativeError("Handle %x is invalid (error %d)", hndl, err);
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}
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}
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static cell_t sm_CloneHandle(IPluginContext *pContext, const cell_t *params)
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{
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Handle_t new_hndl;
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Handle_t hndl = static_cast<Handle_t>(params[1]);
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HandleError err;
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IdentityToken_t *pNewOwner;
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if (params[2] == 0)
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{
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pNewOwner = pContext->GetIdentity();
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} else {
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Handle_t hPlugin = static_cast<Handle_t>(params[2]);
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IPlugin *pPlugin = g_PluginSys.PluginFromHandle(hPlugin, &err);
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if (!pPlugin)
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{
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return pContext->ThrowNativeError("Plugin handle %x is invalid (error %d)", hndl, err);
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}
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pNewOwner = pPlugin->GetIdentity();
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}
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err = g_HandleSys.CloneHandle(hndl, &new_hndl, pNewOwner, NULL);
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if (err == HandleError_Access)
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{
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return 0;
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} else if (err == HandleError_None) {
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return new_hndl;
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} else {
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return pContext->ThrowNativeError("Handle %x cannot be cloned because it is invalid (error %d)", hndl, err);
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}
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}
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REGISTER_NATIVES(handles)
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{
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{"IsValidHandle", sm_IsValidHandle},
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{"CloseHandle", sm_CloseHandle},
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{"CloneHandle", sm_CloneHandle},
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{NULL, NULL},
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};
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