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/* omshell.c
* This is the implementation of the build-in shell output module.
*
* NOTE: read comments in module-template.h to understand how this file
* works!
*
* shell support was initially written by bkalkbrenner 2005-09-20
*
* File begun on 2007-07-20 by RGerhards (extracted from syslogd.c)
* This file is under development and has not yet arrived at being fully
* self-contained and a real object. So far, it is mostly an excerpt
* of the "old" message code without any modifications. However, it
* helps to have things at the right place one we go to the meat of it.
*
* Copyright 2007-2012 Adiscon GmbH.
*
* This file is part of rsyslog.
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
* -or-
* see COPYING.ASL20 in the source distribution
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "config.h"
#include "rsyslog.h"
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "conf.h"
#include "syslogd-types.h"
#include "srUtils.h"
#include "omshell.h"
#include "module-template.h"
#include "errmsg.h"
MODULE_TYPE_OUTPUT
/* internal structures
*/
DEF_OMOD_STATIC_DATA
DEFobjCurrIf(errmsg)
typedef struct _instanceData {
uchar progName[MAXFNAME]; /* program to execute */
} instanceData;
BEGINcreateInstance
CODESTARTcreateInstance
ENDcreateInstance
BEGINisCompatibleWithFeature
CODESTARTisCompatibleWithFeature
if(eFeat == sFEATURERepeatedMsgReduction)
iRet = RS_RET_OK;
ENDisCompatibleWithFeature
BEGINfreeInstance
CODESTARTfreeInstance
ENDfreeInstance
BEGINdbgPrintInstInfo
CODESTARTdbgPrintInstInfo
printf("%s", pData->progName);
ENDdbgPrintInstInfo
BEGINtryResume
CODESTARTtryResume
ENDtryResume
BEGINdoAction
CODESTARTdoAction
/* TODO: using pData->progName is not clean from the point of
* modularization. We'll change that as we go ahead with modularization.
* rgerhards, 2007-07-20
*/
dbgprintf("\n");
if(execProg((uchar*) pData->progName, 1, ppString[0]) == 0)
errmsg.LogError(0, NO_ERRCODE, "Executing program '%s' failed", (char*)pData->progName);
ENDdoAction
BEGINparseSelectorAct
CODESTARTparseSelectorAct
CODE_STD_STRING_REQUESTparseSelectorAct(1)
/* yes, the if below is redundant, but I need it now. Will go away as
* the code further changes. -- rgerhards, 2007-07-25
*/
if(*p == '^') {
if((iRet = createInstance(&pData)) != RS_RET_OK)
goto finalize_it;
}
switch (*p)
{
case '^': /* bkalkbrenner 2005-09-20: execute shell command */
dbgprintf("exec\n");
++p;
iRet = cflineParseFileName(p, (uchar*) pData->progName, *ppOMSR, 0, OMSR_NO_RQD_TPL_OPTS,
(uchar*)"RSYSLOG_TraditionalFileFormat");
break;
default:
iRet = RS_RET_CONFLINE_UNPROCESSED;
break;
}
CODE_STD_FINALIZERparseSelectorAct
ENDparseSelectorAct
BEGINmodExit
CODESTARTmodExit
ENDmodExit
BEGINqueryEtryPt
CODESTARTqueryEtryPt
CODEqueryEtryPt_STD_OMOD_QUERIES
ENDqueryEtryPt
BEGINmodInit(Shell)
CODESTARTmodInit
*ipIFVersProvided = CURR_MOD_IF_VERSION; /* we only support the current interface specification */
CODEmodInit_QueryRegCFSLineHdlr
CHKiRet(objUse(errmsg, CORE_COMPONENT));
ENDmodInit
/*
* vi:set ai:
*/
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