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|
/* omsnmp.c
*
* This module sends an snmp trap. More text will come here soon ^^
*
* This module will become part of the CVS and the rsyslog project because I think
* it is a generally useful debugging, testing and development aid for everyone
* involved with rsyslog.
*
* CURRENT SUPPORTED COMMANDS:
*
* :omsnmp:sleep <seconds> <milliseconds>
*
* Must be specified exactly as above. Keep in mind milliseconds are a millionth
* of a second!
*
* NOTE: read comments in module-template.h to understand how this file
* works!
*
* Copyright 2007 Rainer Gerhards and Adiscon GmbH.
*
* This file is part of rsyslog.
*
* Rsyslog is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Rsyslog is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Rsyslog. If not, see <http://www.gnu.org/licenses/>.
*
* A copy of the GPL can be found in the file "COPYING" in this distribution.
*/
#include "config.h"
#include "rsyslog.h"
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <assert.h>
#include "syslogd.h"
#include "syslogd-types.h"
#include "cfsysline.h"
#include "module-template.h"
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
MODULE_TYPE_OUTPUT
/* internal structures
*/
DEF_OMOD_STATIC_DATA
static uchar* pszTarget = NULL;
typedef struct _instanceData {
uchar szTarget[MAXHOSTNAMELEN+1]; /* IP or hostname of Snmp Target*/
} instanceData;
BEGINcreateInstance
CODESTARTcreateInstance
// pData->szTarget
ENDcreateInstance
BEGINdbgPrintInstInfo
CODESTARTdbgPrintInstInfo
dbgprintf("%s", pData->szTarget);
/* do nothing */
ENDdbgPrintInstInfo
BEGINisCompatibleWithFeature
CODESTARTisCompatibleWithFeature
/* we are not compatible with repeated msg reduction feature, so do not allow it */
ENDisCompatibleWithFeature
BEGINtryResume
CODESTARTtryResume
ENDtryResume
BEGINdoAction
CODESTARTdoAction
dbgprintf("Sending SNMP Trap to '%s'\n", pData->szTarget);
ENDdoAction
BEGINfreeInstance
CODESTARTfreeInstance
/* we do not have instance data, so we do not need to
* do anything here. -- rgerhards, 2007-07-25
*/
ENDfreeInstance
BEGINparseSelectorAct
CODESTARTparseSelectorAct
CODE_STD_STRING_REQUESTparseSelectorAct(0)
/* code here is quick and dirty - if you like, clean it up. But keep
* in mind it is just a testing aid ;) -- rgerhards, 2007-12-31
*/
if(!strncmp((char*) p, ":omsnmp:", sizeof(":omsnmp:") - 1)) {
p += sizeof(":omsnmp:") - 1; /* eat indicator sequence (-1 because of '\0'!) */
} else {
ABORT_FINALIZE(RS_RET_CONFLINE_UNPROCESSED);
}
dbgprintf("0\n");
/* ok, if we reach this point, we have something for us */
if((iRet = createInstance(&pData)) != RS_RET_OK)
goto finalize_it;
dbgprintf("1\n");
ABORT_FINALIZE( RS_RET_CONFLINE_UNPROCESSED );// RS_RET_PARAM_ERROR );
dbgprintf("2\n");
/* Failsave */
if (pszTarget == NULL)
ABORT_FINALIZE( RS_RET_CONFLINE_UNPROCESSED );// RS_RET_PARAM_ERROR );
/* Copy Target */
strncpy( (char*) pData->szTarget, (char*) pszTarget, sizeof( pData->szTarget -1 ) );
CODE_STD_FINALIZERparseSelectorAct
ENDparseSelectorAct
BEGINneedUDPSocket
CODESTARTneedUDPSocket
ENDneedUDPSocket
/* Reset config variables for this module to default values.
*/
static rsRetVal resetConfigVariables(uchar __attribute__((unused)) *pp, void __attribute__((unused)) *pVal)
{
if (pszTarget != NULL)
free(pszTarget);
pszTarget = NULL;
return RS_RET_OK;
}
BEGINmodExit
CODESTARTmodExit
if (pszTarget != NULL)
free(pszTarget);
ENDmodExit
BEGINqueryEtryPt
CODESTARTqueryEtryPt
CODEqueryEtryPt_STD_OMOD_QUERIES
ENDqueryEtryPt
BEGINmodInit()
CODESTARTmodInit
*ipIFVersProvided = 1; /* so far, we only support the initial definition */
CODEmodInit_QueryRegCFSLineHdlr
CHKiRet(omsdRegCFSLineHdlr((uchar *)"actionsnmptarget", 0, eCmdHdlrGetWord, NULL, &pszTarget, STD_LOADABLE_MODULE_ID));
CHKiRet(omsdRegCFSLineHdlr((uchar *)"resetconfigvariables", 1, eCmdHdlrCustomHandler, resetConfigVariables, NULL, STD_LOADABLE_MODULE_ID));
ENDmodInit
/*
* vi:set ai:
*/
|
