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diff --git a/runtime/sysvar.c b/runtime/sysvar.c
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-/* sysvar.c - imlements rsyslog system variables
- *
- * At least for now, this class only has static functions and no
- * instances.
- *
- * Module begun 2008-02-25 by Rainer Gerhards
- *
- * Copyright (C) 2008-2012 Adiscon GmbH.
- *
- * This file is part of the rsyslog runtime library.
- *
- * 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 <stdio.h>
-#include <stdlib.h>
-#include <assert.h>
-
-#include "rsyslog.h"
-#include "obj.h"
-#include "stringbuf.h"
-#include "sysvar.h"
-#include "datetime.h"
-
-/* static data */
-DEFobjStaticHelpers
-DEFobjCurrIf(var)
-DEFobjCurrIf(datetime)
-DEFobjCurrIf(glbl)
-
-
-/* Standard-Constructor
- */
-BEGINobjConstruct(sysvar) /* be sure to specify the object type also in END macro! */
-ENDobjConstruct(sysvar)
-
-
-/* ConstructionFinalizer
- * rgerhards, 2008-01-09
- */
-static rsRetVal
-sysvarConstructFinalize(sysvar_t __attribute__((unused)) *pThis)
-{
- DEFiRet;
- RETiRet;
-}
-
-
-/* destructor for the sysvar object */
-BEGINobjDestruct(sysvar) /* be sure to specify the object type also in END and CODESTART macros! */
-CODESTARTobjDestruct(sysvar)
-ENDobjDestruct(sysvar)
-
-
-/* This function returns the current date in different
- * variants. It is used to construct the $NOW series of
- * system properties. The returned buffer must be freed
- * by the caller when no longer needed. If the function
- * can not allocate memory, it returns a NULL pointer.
- * Added 2007-07-10 rgerhards
- * TODO: this was taken from msg.c and we should consolidate it with the code
- * there. This is especially important when we increase the number of system
- * variables (what we definitely want to do).
- */
-typedef enum ENOWType { NOW_NOW, NOW_YEAR, NOW_MONTH, NOW_DAY, NOW_HOUR, NOW_MINUTE } eNOWType;
-static rsRetVal
-getNOW(eNOWType eNow, cstr_t **ppStr)
-{
- DEFiRet;
- uchar szBuf[16];
- struct syslogTime t;
-
- datetime.getCurrTime(&t, NULL);
- switch(eNow) {
- case NOW_NOW:
- snprintf((char*) szBuf, sizeof(szBuf)/sizeof(uchar), "%4.4d-%2.2d-%2.2d", t.year, t.month, t.day);
- break;
- case NOW_YEAR:
- snprintf((char*) szBuf, sizeof(szBuf)/sizeof(uchar), "%4.4d", t.year);
- break;
- case NOW_MONTH:
- snprintf((char*) szBuf, sizeof(szBuf)/sizeof(uchar), "%2.2d", t.month);
- break;
- case NOW_DAY:
- snprintf((char*) szBuf, sizeof(szBuf)/sizeof(uchar), "%2.2d", t.day);
- break;
- case NOW_HOUR:
- snprintf((char*) szBuf, sizeof(szBuf)/sizeof(uchar), "%2.2d", t.hour);
- break;
- case NOW_MINUTE:
- snprintf((char*) szBuf, sizeof(szBuf)/sizeof(uchar), "%2.2d", t.minute);
- break;
- }
-
- /* now create a string object out of it and hand that over to the var */
- CHKiRet(rsCStrConstructFromszStr(ppStr, szBuf));
-
-finalize_it:
- RETiRet;
-}
-
-
-/* The function returns a system variable suitable for use with RainerScript. Most importantly, this means
- * that the value is returned in a var_t object. The var_t is constructed inside this function and
- * MUST be freed by the caller.
- * rgerhards, 2008-02-25
- */
-static rsRetVal
-GetVar(cstr_t *pstrVarName, var_t **ppVar)
-{
- DEFiRet;
- var_t *pVar;
- cstr_t *pstrProp;
-
- ASSERT(pstrVarName != NULL);
- ASSERT(ppVar != NULL);
-
- /* make sure we have a var_t instance */
- CHKiRet(var.Construct(&pVar));
- CHKiRet(var.ConstructFinalize(pVar));
-
- /* now begin the actual variable evaluation */
- if(!rsCStrSzStrCmp(pstrVarName, (uchar*)"now", sizeof("now") - 1)) {
- CHKiRet(getNOW(NOW_NOW, &pstrProp));
- } else if(!rsCStrSzStrCmp(pstrVarName, (uchar*)"year", sizeof("year") - 1)) {
- CHKiRet(getNOW(NOW_YEAR, &pstrProp));
- } else if(!rsCStrSzStrCmp(pstrVarName, (uchar*)"month", sizeof("month") - 1)) {
- CHKiRet(getNOW(NOW_MONTH, &pstrProp));
- } else if(!rsCStrSzStrCmp(pstrVarName, (uchar*)"day", sizeof("day") - 1)) {
- CHKiRet(getNOW(NOW_DAY, &pstrProp));
- } else if(!rsCStrSzStrCmp(pstrVarName, (uchar*)"hour", sizeof("hour") - 1)) {
- CHKiRet(getNOW(NOW_HOUR, &pstrProp));
- } else if(!rsCStrSzStrCmp(pstrVarName, (uchar*)"minute", sizeof("minute") - 1)) {
- CHKiRet(getNOW(NOW_MINUTE, &pstrProp));
- } else if(!rsCStrSzStrCmp(pstrVarName, (uchar*)"myhostname", sizeof("myhostname") - 1)) {
- CHKiRet(rsCStrConstructFromszStr(&pstrProp, glbl.GetLocalHostName()));
- } else {
- ABORT_FINALIZE(RS_RET_SYSVAR_NOT_FOUND);
- }
-
- /* now hand the string over to the var object */
- CHKiRet(var.SetString(pVar, pstrProp));
-
- /* finally store var */
- *ppVar = pVar;
-
-finalize_it:
- RETiRet;
-}
-
-
-/* queryInterface function
- * rgerhards, 2008-02-21
- */
-BEGINobjQueryInterface(sysvar)
-CODESTARTobjQueryInterface(sysvar)
- if(pIf->ifVersion != sysvarCURR_IF_VERSION) { /* check for current version, increment on each change */
- ABORT_FINALIZE(RS_RET_INTERFACE_NOT_SUPPORTED);
- }
-
- /* ok, we have the right interface, so let's fill it
- * Please note that we may also do some backwards-compatibility
- * work here (if we can support an older interface version - that,
- * of course, also affects the "if" above).
- */
- pIf->Construct = sysvarConstruct;
- pIf->ConstructFinalize = sysvarConstructFinalize;
- pIf->Destruct = sysvarDestruct;
- pIf->GetVar = GetVar;
-finalize_it:
-ENDobjQueryInterface(sysvar)
-
-
-/* Initialize the sysvar class. Must be called as the very first method
- * before anything else is called inside this class.
- * rgerhards, 2008-02-19
- */
-BEGINObjClassInit(sysvar, 1, OBJ_IS_CORE_MODULE) /* class, version */
- /* request objects we use */
- CHKiRet(objUse(var, CORE_COMPONENT));
- CHKiRet(objUse(datetime, CORE_COMPONENT));
- CHKiRet(objUse(glbl, CORE_COMPONENT));
-
- /* set our own handlers */
- OBJSetMethodHandler(objMethod_CONSTRUCTION_FINALIZER, sysvarConstructFinalize);
-ENDObjClassInit(sysvar)
-
-/* vi:set ai:
- */