0b131d6864
When a plugin calls SetFailState it is paused and all natives it registered are unavailable. Other plugins, which depend on those natives keep running and error whenever they try to call those natives. This correctly sets the dependent plugins to an error state as if the plugin which called SetFailState was unloaded.
778 lines
19 KiB
C++
778 lines
19 KiB
C++
/**
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* vim: set ts=4 :
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* =============================================================================
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* SourceMod
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* Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
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* =============================================================================
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, version 3.0, as published by the
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* Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* As a special exception, AlliedModders LLC gives you permission to link the
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* code of this program (as well as its derivative works) to "Half-Life 2," the
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* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
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* by the Valve Corporation. You must obey the GNU General Public License in
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* all respects for all other code used. Additionally, AlliedModders LLC grants
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* this exception to all derivative works. AlliedModders LLC defines further
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* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
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* 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 <time.h>
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#include <string.h>
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#include <stdlib.h>
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#include "common_logic.h"
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#include "Logger.h"
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#include <ISourceMod.h>
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#include <ITranslator.h>
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#include <sourcehook.h>
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#include <sh_memory.h>
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#if defined PLATFORM_WINDOWS
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#include <windows.h>
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#elif defined PLATFORM_POSIX
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#include <limits.h>
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#include <unistd.h>
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#include <sys/times.h>
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#endif
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HandleType_t g_PlIter;
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IForward *g_OnLogAction = NULL;
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static ConVar *sm_datetime_format = NULL;
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class CoreNativeHelpers :
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public SMGlobalClass,
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public IHandleTypeDispatch
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{
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public:
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void OnSourceModAllInitialized()
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{
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HandleAccess hacc;
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handlesys->InitAccessDefaults(NULL, &hacc);
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hacc.access[HandleAccess_Clone] = HANDLE_RESTRICT_IDENTITY|HANDLE_RESTRICT_OWNER;
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g_PlIter = handlesys->CreateType("PluginIterator", this, 0, NULL, NULL, g_pCoreIdent, NULL);
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g_OnLogAction = forwardsys->CreateForward("OnLogAction",
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ET_Hook,
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5,
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NULL,
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Param_Cell,
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Param_Cell,
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Param_Cell,
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Param_Cell,
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Param_String);
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sm_datetime_format = smcore.FindConVar("sm_datetime_format");
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}
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void OnHandleDestroy(HandleType_t type, void *object)
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{
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IPluginIterator *iter = (IPluginIterator *)object;
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iter->Release();
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}
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void OnSourceModShutdown()
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{
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forwardsys->ReleaseForward(g_OnLogAction);
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handlesys->RemoveType(g_PlIter, g_pCoreIdent);
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}
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} g_CoreNativeHelpers;
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void LogAction(Handle_t hndl, int type, int client, int target, const char *message)
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{
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if (g_OnLogAction->GetFunctionCount())
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{
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cell_t result = 0;
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g_OnLogAction->PushCell(hndl);
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g_OnLogAction->PushCell(type);
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g_OnLogAction->PushCell(client);
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g_OnLogAction->PushCell(target);
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g_OnLogAction->PushString(message);
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g_OnLogAction->Execute(&result);
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if (result >= (ResultType)Pl_Handled)
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{
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return;
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}
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}
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const char *logtag = "SM";
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if (type == 2)
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{
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HandleError err;
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IPlugin *pPlugin = scripts->FindPluginByHandle(hndl, &err);
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if (pPlugin)
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{
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logtag = pPlugin->GetFilename();
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}
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}
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g_Logger.LogMessage("[%s] %s", logtag, message);
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}
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static cell_t ThrowError(IPluginContext *pContext, const cell_t *params)
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{
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char buffer[512];
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g_pSM->SetGlobalTarget(SOURCEMOD_SERVER_LANGUAGE);
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g_pSM->FormatString(buffer, sizeof(buffer), pContext, params, 1);
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if (pContext->GetLastNativeError() == SP_ERROR_NONE)
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{
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pContext->ThrowNativeErrorEx(SP_ERROR_ABORTED, "%s", buffer);
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}
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return 0;
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}
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static cell_t GetTime(IPluginContext *pContext, const cell_t *params)
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{
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time_t t = g_pSM->GetAdjustedTime();
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cell_t *addr;
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pContext->LocalToPhysAddr(params[1], &addr);
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*(time_t *)addr = t;
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return static_cast<cell_t>(t);
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}
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#if defined SUBPLATFORM_SECURECRT
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void _ignore_invalid_parameter(
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const wchar_t * expression,
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const wchar_t * function,
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const wchar_t * file,
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unsigned int line,
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uintptr_t pReserved
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)
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{
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/* Wow we don't care, thanks Microsoft. */
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}
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#endif
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static cell_t FormatTime(IPluginContext *pContext, const cell_t *params)
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{
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char *format, *buffer;
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pContext->LocalToString(params[1], &buffer);
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pContext->LocalToStringNULL(params[3], &format);
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if (format == NULL)
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{
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format = const_cast<char *>(smcore.GetCvarString(sm_datetime_format));
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}
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#if defined SUBPLATFORM_SECURECRT
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_invalid_parameter_handler handler = _set_invalid_parameter_handler(_ignore_invalid_parameter);
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#endif
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time_t t = (params[4] == -1) ? g_pSM->GetAdjustedTime() : (time_t)params[4];
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size_t written = strftime(buffer, params[2], format, localtime(&t));
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#if defined SUBPLATFORM_SECURECRT
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_set_invalid_parameter_handler(handler);
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#endif
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if (params[2] && format[0] != '\0' && !written)
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{
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pContext->ThrowNativeError("Invalid time format or buffer too small");
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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 GetPluginIterator(IPluginContext *pContext, const cell_t *params)
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{
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IPluginIterator *iter = scripts->GetPluginIterator();
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Handle_t hndl = handlesys->CreateHandle(g_PlIter, iter, pContext->GetIdentity(), g_pCoreIdent, NULL);
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if (hndl == BAD_HANDLE)
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{
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iter->Release();
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}
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return hndl;
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}
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static cell_t MorePlugins(IPluginContext *pContext, const cell_t *params)
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{
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Handle_t hndl = (Handle_t)params[1];
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HandleError err;
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IPluginIterator *pIter;
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HandleSecurity sec;
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sec.pIdentity = g_pCoreIdent;
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sec.pOwner = pContext->GetIdentity();
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if ((err=handlesys->ReadHandle(hndl, g_PlIter, &sec, (void **)&pIter)) != HandleError_None)
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{
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return pContext->ThrowNativeError("Could not read Handle %x (error %d)", hndl, err);
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}
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return pIter->MorePlugins() ? 1 : 0;
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}
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static cell_t ReadPlugin(IPluginContext *pContext, const cell_t *params)
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{
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Handle_t hndl = (Handle_t)params[1];
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HandleError err;
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IPluginIterator *pIter;
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HandleSecurity sec;
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sec.pIdentity = g_pCoreIdent;
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sec.pOwner = pContext->GetIdentity();
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if ((err=handlesys->ReadHandle(hndl, g_PlIter, &sec, (void **)&pIter)) != HandleError_None)
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{
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return pContext->ThrowNativeError("Could not read Handle %x (error %d)", hndl, err);
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}
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IPlugin *pPlugin = pIter->GetPlugin();
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if (!pPlugin)
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{
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return BAD_HANDLE;
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}
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pIter->NextPlugin();
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return pPlugin->GetMyHandle();
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}
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IPlugin *GetPluginFromHandle(IPluginContext *pContext, Handle_t hndl)
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{
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if (hndl == BAD_HANDLE)
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{
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return scripts->FindPluginByContext(pContext->GetContext());
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} else {
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HandleError err;
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IPlugin *pPlugin = scripts->FindPluginByHandle(hndl, &err);
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if (!pPlugin)
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{
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pContext->ThrowNativeError("Could not read Handle %x (error %d)", hndl, err);
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}
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return pPlugin;
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}
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}
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static cell_t GetPluginStatus(IPluginContext *pContext, const cell_t *params)
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{
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IPlugin *pPlugin = GetPluginFromHandle(pContext, params[1]);
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if (!pPlugin)
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{
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return 0;
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}
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return pPlugin->GetStatus();
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}
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static cell_t GetPluginFilename(IPluginContext *pContext, const cell_t *params)
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{
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IPlugin *pPlugin = GetPluginFromHandle(pContext, params[1]);
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if (!pPlugin)
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{
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return 0;
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}
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pContext->StringToLocalUTF8(params[2], params[3], pPlugin->GetFilename(), NULL);
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return 1;
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}
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static cell_t IsPluginDebugging(IPluginContext *pContext, const cell_t *params)
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{
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IPlugin *pPlugin = GetPluginFromHandle(pContext, params[1]);
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if (!pPlugin)
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{
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return 0;
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}
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return pPlugin->IsDebugging() ? 1 : 0;
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}
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/* Local to plugins only */
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enum PluginInfo
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{
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PlInfo_Name, /**< Plugin name */
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PlInfo_Author, /**< Plugin author */
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PlInfo_Description, /**< Plugin description */
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PlInfo_Version, /**< Plugin verison */
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PlInfo_URL, /**< Plugin URL */
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};
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static cell_t GetPluginInfo(IPluginContext *pContext, const cell_t *params)
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{
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IPlugin *pPlugin = GetPluginFromHandle(pContext, params[1]);
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if (!pPlugin)
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{
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return 0;
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}
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const sm_plugininfo_t *info = pPlugin->GetPublicInfo();
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if (!info)
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{
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return 0;
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}
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const char *str = NULL;
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switch ((PluginInfo)params[2])
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{
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case PlInfo_Name:
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{
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str = info->name;
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break;
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}
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case PlInfo_Author:
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{
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str = info->author;
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break;
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}
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case PlInfo_Description:
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{
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str = info->description;
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break;
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}
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case PlInfo_Version:
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{
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str = info->version;
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break;
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}
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case PlInfo_URL:
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{
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str = info->url;
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break;
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}
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}
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if (!str || str[0] == '\0')
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{
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return 0;
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}
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pContext->StringToLocalUTF8(params[3], params[4], str, NULL);
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return 1;
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}
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static cell_t SetFailState(IPluginContext *pContext, const cell_t *params)
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{
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char *str;
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SMPlugin *pPlugin;
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pContext->LocalToString(params[1], &str);
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pPlugin = scripts->FindPluginByContext(pContext->GetContext());
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if (params[0] == 1)
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{
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pPlugin->SetErrorState(Plugin_Failed, "%s", str);
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return pContext->ThrowNativeErrorEx(SP_ERROR_ABORTED, "%s", str);
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}
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else
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{
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char buffer[2048];
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g_pSM->FormatString(buffer, sizeof(buffer), pContext, params, 1);
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if (pContext->GetLastNativeError() != SP_ERROR_NONE)
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{
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pPlugin->SetErrorState(Plugin_Failed, "%s", str);
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return pContext->ThrowNativeErrorEx(SP_ERROR_ABORTED, "Formatting error (%s)", str);
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}
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else
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{
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pPlugin->SetErrorState(Plugin_Failed, "%s", buffer);
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return pContext->ThrowNativeErrorEx(SP_ERROR_ABORTED, "%s", buffer);
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}
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}
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return 0;
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}
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static cell_t GetSysTickCount(IPluginContext *pContext, const cell_t *params)
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{
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#if defined PLATFORM_WINDOWS
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return (cell_t)GetTickCount();
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#elif defined PLATFORM_POSIX
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tms tm;
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clock_t ticks = times(&tm);
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long ticks_per_sec = sysconf(_SC_CLK_TCK);
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double fticks = (double)ticks / (double)ticks_per_sec;
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fticks *= 1000.0f;
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if (fticks > INT_MAX)
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{
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double r = (int)(fticks / INT_MAX) * (double)INT_MAX;
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fticks -= r;
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}
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return (cell_t)fticks;
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#endif
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}
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static cell_t AutoExecConfig(IPluginContext *pContext, const cell_t *params)
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{
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SMPlugin *plugin = scripts->FindPluginByContext(pContext->GetContext());
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char *cfg, *folder;
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pContext->LocalToString(params[2], &cfg);
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pContext->LocalToString(params[3], &folder);
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if (cfg[0] == '\0')
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{
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static char temp_str[255];
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static char temp_file[PLATFORM_MAX_PATH];
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char *ptr;
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libsys->GetFileFromPath(temp_str, sizeof(temp_str), plugin->GetFilename());
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if ((ptr = strstr(temp_str, ".smx")) != NULL)
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{
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*ptr = '\0';
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}
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/* We have the raw filename! */
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g_pSM->Format(temp_file, sizeof(temp_file), "plugin.%s", temp_str);
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cfg = temp_file;
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}
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plugin->AddConfig(params[1] ? true : false, cfg, folder);
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return 1;
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}
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static cell_t MarkNativeAsOptional(IPluginContext *pContext, const cell_t *params)
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{
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char *name;
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uint32_t idx;
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sp_native_t *native;
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pContext->LocalToString(params[1], &name);
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if (pContext->FindNativeByName(name, &idx) != SP_ERROR_NONE)
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{
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/* Oops! This HAS to silently fail! */
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return 0;
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}
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pContext->GetNativeByIndex(idx, &native);
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native->flags |= SP_NTVFLAG_OPTIONAL;
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return 1;
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}
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static cell_t RegPluginLibrary(IPluginContext *pContext, const cell_t *params)
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{
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char *name;
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SMPlugin *pl = scripts->FindPluginByContext(pContext->GetContext());
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pContext->LocalToString(params[1], &name);
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pl->AddLibrary(name);
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return 1;
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}
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static cell_t LibraryExists(IPluginContext *pContext, const cell_t *params)
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{
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char *str;
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pContext->LocalToString(params[1], &str);
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if (strcmp(str, "__CanTestFeatures__") == 0)
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{
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return 1;
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}
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if (scripts->LibraryExists(str))
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{
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return 1;
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}
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if (extsys->LibraryExists(str))
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{
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return 1;
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}
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return 0;
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}
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static cell_t sm_LogAction(IPluginContext *pContext, const cell_t *params)
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{
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char buffer[2048];
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g_pSM->SetGlobalTarget(SOURCEMOD_SERVER_LANGUAGE);
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g_pSM->FormatString(buffer, sizeof(buffer), pContext, params, 3);
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if (pContext->GetLastNativeError() != SP_ERROR_NONE)
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{
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return 0;
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}
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IPlugin *pPlugin = scripts->FindPluginByContext(pContext->GetContext());
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LogAction(pPlugin->GetMyHandle(), 2, params[1], params[2], buffer);
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return 1;
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}
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static cell_t LogToFile(IPluginContext *pContext, const cell_t *params)
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{
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char *file;
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pContext->LocalToString(params[1], &file);
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char path[PLATFORM_MAX_PATH];
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g_pSM->BuildPath(Path_Game, path, sizeof(path), "%s", file);
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FILE *fp = fopen(path, "at");
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if (!fp)
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{
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return pContext->ThrowNativeError("Could not open file \"%s\"", path);
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}
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char buffer[2048];
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g_pSM->SetGlobalTarget(SOURCEMOD_SERVER_LANGUAGE);
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g_pSM->FormatString(buffer, sizeof(buffer), pContext, params, 2);
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if (pContext->GetLastNativeError() != SP_ERROR_NONE)
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{
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fclose(fp);
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return 0;
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}
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IPlugin *pPlugin = scripts->FindPluginByContext(pContext->GetContext());
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g_Logger.LogToOpenFile(fp, "[%s] %s", pPlugin->GetFilename(), buffer);
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fclose(fp);
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return 1;
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}
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static cell_t LogToFileEx(IPluginContext *pContext, const cell_t *params)
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|
{
|
|
char *file;
|
|
pContext->LocalToString(params[1], &file);
|
|
|
|
char path[PLATFORM_MAX_PATH];
|
|
g_pSM->BuildPath(Path_Game, path, sizeof(path), "%s", file);
|
|
|
|
FILE *fp = fopen(path, "at");
|
|
if (!fp)
|
|
{
|
|
return pContext->ThrowNativeError("Could not open file \"%s\"", path);
|
|
}
|
|
|
|
char buffer[2048];
|
|
g_pSM->SetGlobalTarget(SOURCEMOD_SERVER_LANGUAGE);
|
|
g_pSM->FormatString(buffer, sizeof(buffer), pContext, params, 2);
|
|
|
|
if (pContext->GetLastNativeError() != SP_ERROR_NONE)
|
|
{
|
|
fclose(fp);
|
|
return 0;
|
|
}
|
|
|
|
g_Logger.LogToOpenFile(fp, "%s", buffer);
|
|
|
|
fclose(fp);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static cell_t GetExtensionFileStatus(IPluginContext *pContext, const cell_t *params)
|
|
{
|
|
char *str;
|
|
pContext->LocalToString(params[1], &str);
|
|
|
|
IExtension *pExtension = extsys->FindExtensionByFile(str);
|
|
|
|
if (!pExtension)
|
|
{
|
|
return -2;
|
|
}
|
|
|
|
if (!pExtension->IsLoaded())
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
char *error;
|
|
pContext->LocalToString(params[2], &error);
|
|
if (!pExtension->IsRunning(error, params[3]))
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static cell_t FindPluginByNumber(IPluginContext *pContext, const cell_t *params)
|
|
{
|
|
IPlugin *pPlugin = scripts->FindPluginByOrder(params[1]);
|
|
|
|
if (pPlugin == NULL)
|
|
{
|
|
return BAD_HANDLE;
|
|
}
|
|
|
|
return pPlugin->GetMyHandle();
|
|
}
|
|
|
|
static cell_t VerifyCoreVersion(IPluginContext *pContext, const cell_t *params)
|
|
{
|
|
return 4;
|
|
}
|
|
|
|
static cell_t GetFeatureStatus(IPluginContext *pContext, const cell_t *params)
|
|
{
|
|
FeatureType type = (FeatureType)params[1];
|
|
char *name;
|
|
|
|
pContext->LocalToString(params[2], &name);
|
|
|
|
return sharesys->TestFeature(pContext->GetRuntime(), type, name);
|
|
}
|
|
|
|
static cell_t RequireFeature(IPluginContext *pContext, const cell_t *params)
|
|
{
|
|
FeatureType type = (FeatureType)params[1];
|
|
char *name;
|
|
|
|
pContext->LocalToString(params[2], &name);
|
|
|
|
if (sharesys->TestFeature(pContext->GetRuntime(), type, name) != FeatureStatus_Available)
|
|
{
|
|
char buffer[255];
|
|
char *msg = buffer;
|
|
char default_message[255];
|
|
SMPlugin *pPlugin = scripts->FindPluginByContext(pContext->GetContext());
|
|
|
|
g_pSM->FormatString(buffer, sizeof(buffer), pContext, params, 3);
|
|
if (pContext->GetLastNativeError() != SP_ERROR_NONE || buffer[0] == '\0')
|
|
{
|
|
g_pSM->Format(default_message, sizeof(default_message), "Feature \"%s\" not available", name);
|
|
msg = default_message;
|
|
}
|
|
pPlugin->SetErrorState(Plugin_Error, "%s", msg);
|
|
return pContext->ThrowNativeErrorEx(SP_ERROR_ABORTED, "%s", msg);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
enum NumberType
|
|
{
|
|
NumberType_Int8,
|
|
NumberType_Int16,
|
|
NumberType_Int32
|
|
};
|
|
|
|
//memory addresses below 0x10000 are automatically considered invalid for dereferencing
|
|
#define VALID_MINIMUM_MEMORY_ADDRESS 0x10000
|
|
|
|
static cell_t LoadFromAddress(IPluginContext *pContext, const cell_t *params)
|
|
{
|
|
void *addr = reinterpret_cast<void*>(params[1]);
|
|
|
|
if (addr == NULL)
|
|
{
|
|
return pContext->ThrowNativeError("Address cannot be null");
|
|
}
|
|
else if (reinterpret_cast<uintptr_t>(addr) < VALID_MINIMUM_MEMORY_ADDRESS)
|
|
{
|
|
return pContext->ThrowNativeError("Invalid address 0x%x is pointing to reserved memory.", addr);
|
|
}
|
|
NumberType size = static_cast<NumberType>(params[2]);
|
|
|
|
switch(size)
|
|
{
|
|
case NumberType_Int8:
|
|
return *reinterpret_cast<uint8_t*>(addr);
|
|
case NumberType_Int16:
|
|
return *reinterpret_cast<uint16_t*>(addr);
|
|
case NumberType_Int32:
|
|
return *reinterpret_cast<uint32_t*>(addr);
|
|
default:
|
|
return pContext->ThrowNativeError("Invalid number types %d", size);
|
|
}
|
|
}
|
|
|
|
|
|
static cell_t StoreToAddress(IPluginContext *pContext, const cell_t *params)
|
|
{
|
|
void *addr = reinterpret_cast<void*>(params[1]);
|
|
|
|
if (addr == NULL)
|
|
{
|
|
return pContext->ThrowNativeError("Address cannot be null");
|
|
}
|
|
else if (reinterpret_cast<uintptr_t>(addr) < VALID_MINIMUM_MEMORY_ADDRESS)
|
|
{
|
|
return pContext->ThrowNativeError("Invalid address 0x%x is pointing to reserved memory.", addr);
|
|
}
|
|
cell_t data = params[2];
|
|
|
|
NumberType size = static_cast<NumberType>(params[3]);
|
|
|
|
switch(size)
|
|
{
|
|
case NumberType_Int8:
|
|
SourceHook::SetMemAccess(addr, sizeof(uint8_t), SH_MEM_READ|SH_MEM_WRITE|SH_MEM_EXEC);
|
|
*reinterpret_cast<uint8_t*>(addr) = data;
|
|
break;
|
|
case NumberType_Int16:
|
|
SourceHook::SetMemAccess(addr, sizeof(uint16_t), SH_MEM_READ|SH_MEM_WRITE|SH_MEM_EXEC);
|
|
*reinterpret_cast<uint16_t*>(addr) = data;
|
|
break;
|
|
case NumberType_Int32:
|
|
SourceHook::SetMemAccess(addr, sizeof(uint32_t), SH_MEM_READ|SH_MEM_WRITE|SH_MEM_EXEC);
|
|
*reinterpret_cast<uint32_t*>(addr) = data;
|
|
break;
|
|
default:
|
|
return pContext->ThrowNativeError("Invalid number types %d", size);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
REGISTER_NATIVES(coreNatives)
|
|
{
|
|
{"ThrowError", ThrowError},
|
|
{"GetTime", GetTime},
|
|
{"FormatTime", FormatTime},
|
|
{"GetPluginIterator", GetPluginIterator},
|
|
{"MorePlugins", MorePlugins},
|
|
{"ReadPlugin", ReadPlugin},
|
|
{"GetPluginStatus", GetPluginStatus},
|
|
{"GetPluginFilename", GetPluginFilename},
|
|
{"IsPluginDebugging", IsPluginDebugging},
|
|
{"GetPluginInfo", GetPluginInfo},
|
|
{"SetFailState", SetFailState},
|
|
{"GetSysTickCount", GetSysTickCount},
|
|
{"AutoExecConfig", AutoExecConfig},
|
|
{"MarkNativeAsOptional", MarkNativeAsOptional},
|
|
{"RegPluginLibrary", RegPluginLibrary},
|
|
{"LibraryExists", LibraryExists},
|
|
{"LogAction", sm_LogAction},
|
|
{"LogToFile", LogToFile},
|
|
{"LogToFileEx", LogToFileEx},
|
|
{"GetExtensionFileStatus", GetExtensionFileStatus},
|
|
{"FindPluginByNumber", FindPluginByNumber},
|
|
{"VerifyCoreVersion", VerifyCoreVersion},
|
|
{"GetFeatureStatus", GetFeatureStatus},
|
|
{"RequireFeature", RequireFeature},
|
|
{"LoadFromAddress", LoadFromAddress},
|
|
{"StoreToAddress", StoreToAddress},
|
|
{NULL, NULL},
|
|
};
|