From dcc721a95bef6f0d8e6d8775b8efe33e5aecd562 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 15 Apr 2024 18:28:20 +0200 Subject: Adding upstream version 8.2402.0. Signed-off-by: Daniel Baumann --- runtime/parser.c | 742 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 742 insertions(+) create mode 100644 runtime/parser.c (limited to 'runtime/parser.c') diff --git a/runtime/parser.c b/runtime/parser.c new file mode 100644 index 0000000..a22ad72 --- /dev/null +++ b/runtime/parser.c @@ -0,0 +1,742 @@ +/* parser.c + * This module contains functions for message parsers. It still needs to be + * converted into an object (and much extended). + * + * Module begun 2008-10-09 by Rainer Gerhards (based on previous code from syslogd.c) + * + * Copyright 2008-2021 Rainer Gerhards and Adiscon GmbH. + * + * This file is part of the rsyslog runtime library. + * + * The rsyslog runtime library is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * The rsyslog runtime library 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 Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with the rsyslog runtime library. If not, see . + * + * A copy of the GPL can be found in the file "COPYING" in this distribution. + * A copy of the LGPL can be found in the file "COPYING.LESSER" in this distribution. + */ +#include "config.h" +#include +#include +#include +#include +#include + +#include "rsyslog.h" +#include "dirty.h" +#include "msg.h" +#include "obj.h" +#include "datetime.h" +#include "errmsg.h" +#include "parser.h" +#include "ruleset.h" +#include "unicode-helper.h" +#include "dirty.h" +#include "cfsysline.h" + +/* some defines */ +#define DEFUPRI (LOG_USER|LOG_NOTICE) + +/* definitions for objects we access */ +DEFobjStaticHelpers +DEFobjCurrIf(glbl) +DEFobjCurrIf(datetime) +DEFobjCurrIf(ruleset) + +/* static data */ + +static char hexdigit[16] = + {'0', '1', '2', '3', '4', '5', '6', '7', '8', + '9', 'A', 'B', 'C', 'D', 'E', 'F' }; + +BEGINobjDestruct(parser) /* be sure to specify the object type also in END and CODESTART macros! */ +CODESTARTobjDestruct(parser) + DBGPRINTF("destructing parser '%s'\n", pThis->pName); + if(pThis->pInst != NULL) { + pThis->pModule->mod.pm.freeParserInst(pThis->pInst); + } + free(pThis->pName); +ENDobjDestruct(parser) + +/* destruct a parser list. The list elements are destroyed, but the parser objects + * themselves are not modified. (That is done at a late stage during rsyslogd + * shutdown and need not be considered here.) + */ +static rsRetVal +DestructParserList(parserList_t **ppListRoot) +{ + parserList_t *pParsLst; + parserList_t *pParsLstDel; + + pParsLst = *ppListRoot; + while(pParsLst != NULL) { + pParsLstDel = pParsLst; + pParsLst = pParsLst->pNext; + free(pParsLstDel); + } + *ppListRoot = NULL; + return RS_RET_OK; +} + + +/* Add a parser to the list. We use a VERY simple and ineffcient algorithm, + * but it is employed only for a few milliseconds during config processing. So + * I prefer to keep it very simple and with simple data structures. Unfortunately, + * we need to preserve the order, but I don't like to add a tail pointer as that + * would require a container object. So I do the extra work to skip to the tail + * when adding elements... + * rgerhards, 2009-11-03 + */ +static rsRetVal +AddParserToList(parserList_t **ppListRoot, parser_t *pParser) +{ + parserList_t *pThis; + parserList_t *pTail; + DEFiRet; + + CHKmalloc(pThis = malloc(sizeof(parserList_t))); + pThis->pParser = pParser; + pThis->pNext = NULL; + + if(*ppListRoot == NULL) { + pThis->pNext = *ppListRoot; + *ppListRoot = pThis; + } else { + /* find tail first */ + for(pTail = *ppListRoot ; pTail->pNext != NULL ; pTail = pTail->pNext) + /* just search, do nothing else */; + /* add at tail */ + pTail->pNext = pThis; + } +DBGPRINTF("DDDDD: added parser '%s' to list %p\n", pParser->pName, ppListRoot); +finalize_it: + RETiRet; +} + +void +printParserList(parserList_t *pList) +{ + while(pList != NULL) { + dbgprintf("parser: %s\n", pList->pParser->pName); + pList = pList->pNext; + } +} + +/* find a parser based on the provided name */ +static rsRetVal +FindParser(parserList_t *pParserListRoot, parser_t **ppParser, uchar *pName) +{ + parserList_t *pThis; + DEFiRet; + + for(pThis = pParserListRoot ; pThis != NULL ; pThis = pThis->pNext) { + if(ustrcmp(pThis->pParser->pName, pName) == 0) { + *ppParser = pThis->pParser; + FINALIZE; /* found it, iRet still eq. OK! */ + } + } + + iRet = RS_RET_PARSER_NOT_FOUND; + +finalize_it: + RETiRet; +} + + +/* --- END helper functions for parser list handling --- */ + +/* Add a an already existing parser to the default list. As usual, order + * of calls is important (most importantly, that means the legacy parser, + * which can process everything, MUST be added last!). + * rgerhards, 2009-11-04 + */ +static rsRetVal +AddDfltParser(uchar *pName) +{ + parser_t *pParser; + DEFiRet; + + CHKiRet(FindParser(loadConf->parsers.pParsLstRoot, &pParser, pName)); + CHKiRet(AddParserToList(&loadConf->parsers.pDfltParsLst, pParser)); + DBGPRINTF("Parser '%s' added to default parser set.\n", pName); + +finalize_it: + RETiRet; +} + + +/* set the parser name - string is copied over, call can continue to use it, + * but must free it if desired. + */ +static rsRetVal +SetName(parser_t *pThis, uchar *name) +{ + DEFiRet; + + ISOBJ_TYPE_assert(pThis, parser); + assert(name != NULL); + + if(pThis->pName != NULL) { + free(pThis->pName); + pThis->pName = NULL; + } + + CHKmalloc(pThis->pName = ustrdup(name)); + +finalize_it: + RETiRet; +} + + +/* set a pointer to "our" module. Note that no module + * pointer must already be set. + */ +static rsRetVal +SetModPtr(parser_t *pThis, modInfo_t *pMod) +{ + ISOBJ_TYPE_assert(pThis, parser); + assert(pMod != NULL); + assert(pThis->pModule == NULL); + pThis->pModule = pMod; + return RS_RET_OK; +} + + +/* Specify if we should do standard PRI parsing before we pass the data + * down to the parser module. + */ +static rsRetVal +SetDoPRIParsing(parser_t *pThis, int bDoIt) +{ + ISOBJ_TYPE_assert(pThis, parser); + pThis->bDoPRIParsing = bDoIt; + return RS_RET_OK; +} + + + + +BEGINobjConstruct(parser) /* be sure to specify the object type also in END macro! */ +ENDobjConstruct(parser) + +/* ConstructionFinalizer. The most important chore is to add the parser object + * to our global list of available parsers. + * rgerhards, 2009-11-03 + */ +static rsRetVal parserConstructFinalize(parser_t *pThis) +{ + DEFiRet; + + ISOBJ_TYPE_assert(pThis, parser); + CHKiRet(AddParserToList(&loadConf->parsers.pParsLstRoot, pThis)); + DBGPRINTF("Parser '%s' added to list of available parsers.\n", pThis->pName); + +finalize_it: + RETiRet; +} + + +/* construct a parser object via a pointer to the parser module + * and the name. This is a separate function because we need it + * in multiple spots inside the code. + */ +rsRetVal +parserConstructViaModAndName(modInfo_t *__restrict__ pMod, uchar *const __restrict__ pName, void *pInst) +{ + rsRetVal localRet; + parser_t *pParser = NULL; + DEFiRet; + + if(pInst == NULL && pMod->mod.pm.newParserInst != NULL) { + /* this happens for the default instance on ModLoad time */ + CHKiRet(pMod->mod.pm.newParserInst(NULL, &pInst)); + } + CHKiRet(parserConstruct(&pParser)); + /* check some features */ + localRet = pMod->isCompatibleWithFeature(sFEATUREAutomaticSanitazion); + if(localRet == RS_RET_OK){ + pParser->bDoSanitazion = RSTRUE; + } + localRet = pMod->isCompatibleWithFeature(sFEATUREAutomaticPRIParsing); + if(localRet == RS_RET_OK){ + CHKiRet(SetDoPRIParsing(pParser, RSTRUE)); + } + + CHKiRet(SetName(pParser, pName)); + CHKiRet(SetModPtr(pParser, pMod)); + pParser->pInst = pInst; + CHKiRet(parserConstructFinalize(pParser)); +finalize_it: + if(iRet != RS_RET_OK) + free(pParser); + RETiRet; +} + +/* uncompress a received message if it is compressed. + * pMsg->pszRawMsg buffer is updated. + * rgerhards, 2008-10-09 + */ +static rsRetVal uncompressMessage(smsg_t *pMsg) +{ + DEFiRet; + uchar *deflateBuf = NULL; + uLongf iLenDefBuf; + uchar *pszMsg; + size_t lenMsg; + + assert(pMsg != NULL); + pszMsg = pMsg->pszRawMsg; + lenMsg = pMsg->iLenRawMsg; + + /* we first need to check if we have a compressed record. If so, + * we must decompress it. + */ + if(lenMsg > 0 && *pszMsg == 'z' && + runConf->globals.bSupportCompressionExtension) { /* compressed data present? */ + /* we have compressed data, so let's deflate it. We support a maximum + * message size of iMaxLine. If it is larger, an error message is logged + * and the message is dropped. We do NOT try to decompress larger messages + * as such might be used for denial of service. It might happen to later + * builds that such functionality be added as an optional, operator-configurable + * feature. + */ + int ret; + iLenDefBuf = glbl.GetMaxLine(runConf); + CHKmalloc(deflateBuf = malloc(iLenDefBuf + 1)); + ret = uncompress((uchar *) deflateBuf, &iLenDefBuf, (uchar *) pszMsg+1, lenMsg-1); + DBGPRINTF("Compressed message uncompressed with status %d, length: new %ld, old %d.\n", + ret, (long) iLenDefBuf, (int) (lenMsg-1)); + /* Now check if the uncompression worked. If not, there is not much we can do. In + * that case, we log an error message but ignore the message itself. Storing the + * compressed text is dangerous, as it contains control characters. So we do + * not do this. If someone would like to have a copy, this code here could be + * modified to do a hex-dump of the buffer in question. We do not include + * this functionality right now. + * rgerhards, 2006-12-07 + */ + if(ret != Z_OK) { + LogError(0, NO_ERRCODE, "Uncompression of a message failed with return code %d " + "- enable debug logging if you need further information. " + "Message ignored.", ret); + FINALIZE; /* unconditional exit, nothing left to do... */ + } + MsgSetRawMsg(pMsg, (char*)deflateBuf, iLenDefBuf); + } +finalize_it: + if(deflateBuf != NULL) + free(deflateBuf); + + RETiRet; +} + + +/* sanitize a received message + * if a message gets to large during sanitization, it is truncated. This is + * as specified in the upcoming syslog RFC series. + * rgerhards, 2008-10-09 + * We check if we have a NUL character at the very end of the + * message. This seems to be a frequent problem with a number of senders. + * So I have now decided to drop these NULs. However, if they are intentional, + * that may cause us some problems, e.g. with syslog-sign. On the other hand, + * current code always has problems with intentional NULs (as it needs to escape + * them to prevent problems with the C string libraries), so that does not + * really matter. Just to be on the save side, we'll log destruction of such + * NULs in the debug log. + * rgerhards, 2007-09-14 + */ +static rsRetVal +SanitizeMsg(smsg_t *pMsg) +{ + DEFiRet; + uchar *pszMsg; + uchar *pDst; /* destination for copy job */ + size_t lenMsg; + size_t iSrc; + size_t iDst; + size_t iMaxLine; + size_t maxDest; + uchar pc; + sbool bUpdatedLen = RSFALSE; + uchar szSanBuf[32*1024]; /* buffer used for sanitizing a string */ + + assert(pMsg != NULL); + assert(pMsg->iLenRawMsg > 0); + + pszMsg = pMsg->pszRawMsg; + lenMsg = pMsg->iLenRawMsg; + + /* remove NUL character at end of message (see comment in function header) + * Note that we do not need to add a NUL character in this case, because it + * is already present ;) + */ + if(pszMsg[lenMsg-1] == '\0') { + DBGPRINTF("dropped NUL at very end of message\n"); + bUpdatedLen = RSTRUE; + lenMsg--; + } + + /* then we check if we need to drop trailing LFs, which often make + * their way into syslog messages unintentionally. In order to remain + * compatible to recent IETF developments, we allow the user to + * turn on/off this handling. rgerhards, 2007-07-23 + */ + if(glbl.GetParserDropTrailingLFOnReception(runConf) + && lenMsg > 0 && pszMsg[lenMsg-1] == '\n') { + DBGPRINTF("dropped LF at very end of message (DropTrailingLF is set)\n"); + lenMsg--; + pszMsg[lenMsg] = '\0'; + bUpdatedLen = RSTRUE; + } + + /* it is much quicker to sweep over the message and see if it actually + * needs sanitation than to do the sanitation in any case. So we first do + * this and terminate when it is not needed - which is expectedly the case + * for the vast majority of messages. -- rgerhards, 2009-06-15 + * Note that we do NOT check here if tab characters are to be escaped or + * not. I expect this functionality to be seldomly used and thus I do not + * like to pay the performance penalty. So the penalty is only with those + * that actually use it, because we may call the sanitizer without actual + * need below (but it then still will work perfectly well!). -- rgerhards, 2009-11-27 + */ + int bNeedSanitize = 0; + for(iSrc = 0 ; iSrc < lenMsg ; iSrc++) { + if(pszMsg[iSrc] < 32) { + if(glbl.GetParserSpaceLFOnReceive(runConf) && pszMsg[iSrc] == '\n') { + pszMsg[iSrc] = ' '; + } else if(pszMsg[iSrc] == '\0' || glbl.GetParserEscapeControlCharactersOnReceive(runConf)) { + bNeedSanitize = 1; + if (!glbl.GetParserSpaceLFOnReceive(runConf)) { + break; + } + } + } else if(pszMsg[iSrc] > 127 && glbl.GetParserEscape8BitCharactersOnReceive(runConf)) { + bNeedSanitize = 1; + break; + } + } + + if(!bNeedSanitize) { + if(bUpdatedLen == RSTRUE) + MsgSetRawMsgSize(pMsg, lenMsg); + FINALIZE; + } + + /* now copy over the message and sanitize it. Note that up to iSrc-1 there was + * obviously no need to sanitize, so we can go over that quickly... + */ + iMaxLine = glbl.GetMaxLine(runConf); + maxDest = lenMsg * 4; /* message can grow at most four-fold */ + + if(maxDest > iMaxLine) + maxDest = iMaxLine; /* but not more than the max size! */ + if(maxDest < sizeof(szSanBuf)) + pDst = szSanBuf; + else + CHKmalloc(pDst = malloc(maxDest + 1)); + if(iSrc > 0) { + iSrc--; /* go back to where everything is OK */ + if(iSrc > maxDest) { + DBGPRINTF("parser.Sanitize: have oversize index %zd, " + "max %zd - corrected, but should not happen\n", + iSrc, maxDest); + iSrc = maxDest; + } + memcpy(pDst, pszMsg, iSrc); /* fast copy known good */ + } + iDst = iSrc; + while(iSrc < lenMsg && iDst < maxDest - 3) { /* leave some space if last char must be escaped */ + if((pszMsg[iSrc] < 32) && (pszMsg[iSrc] != '\t' || glbl.GetParserEscapeControlCharacterTab(runConf))) { + /* note: \0 must always be escaped, the rest of the code currently + * can not handle it! -- rgerhards, 2009-08-26 + */ + if(pszMsg[iSrc] == '\0' || glbl.GetParserEscapeControlCharactersOnReceive(runConf)) { + /* we are configured to escape control characters. Please note + * that this most probably break non-western character sets like + * Japanese, Korean or Chinese. rgerhards, 2007-07-17 + */ + if (glbl.GetParserEscapeControlCharactersCStyle(runConf)) { + pDst[iDst++] = '\\'; + + switch (pszMsg[iSrc]) { + case '\0': + pDst[iDst++] = '0'; + break; + case '\a': + pDst[iDst++] = 'a'; + break; + case '\b': + pDst[iDst++] = 'b'; + break; + case '\x1b': /* equivalent to '\e' which is not accepted by XLC */ + pDst[iDst++] = 'e'; + break; + case '\f': + pDst[iDst++] = 'f'; + break; + case '\n': + pDst[iDst++] = 'n'; + break; + case '\r': + pDst[iDst++] = 'r'; + break; + case '\t': + pDst[iDst++] = 't'; + break; + case '\v': + pDst[iDst++] = 'v'; + break; + default: + pDst[iDst++] = 'x'; + + pc = pszMsg[iSrc]; + pDst[iDst++] = hexdigit[(pc & 0xF0) >> 4]; + pDst[iDst++] = hexdigit[pc & 0xF]; + + break; + } + + } else { + pDst[iDst++] = glbl.GetParserControlCharacterEscapePrefix(runConf); + pDst[iDst++] = '0' + ((pszMsg[iSrc] & 0300) >> 6); + pDst[iDst++] = '0' + ((pszMsg[iSrc] & 0070) >> 3); + pDst[iDst++] = '0' + ((pszMsg[iSrc] & 0007)); + } + } + + } else if(pszMsg[iSrc] > 127 && glbl.GetParserEscape8BitCharactersOnReceive(runConf)) { + if (glbl.GetParserEscapeControlCharactersCStyle(runConf)) { + pDst[iDst++] = '\\'; + pDst[iDst++] = 'x'; + + pc = pszMsg[iSrc]; + pDst[iDst++] = hexdigit[(pc & 0xF0) >> 4]; + pDst[iDst++] = hexdigit[pc & 0xF]; + + } else { + /* In this case, we also do the conversion. Note that this most + * probably breaks European languages. -- rgerhards, 2010-01-27 + */ + pDst[iDst++] = glbl.GetParserControlCharacterEscapePrefix(runConf); + pDst[iDst++] = '0' + ((pszMsg[iSrc] & 0300) >> 6); + pDst[iDst++] = '0' + ((pszMsg[iSrc] & 0070) >> 3); + pDst[iDst++] = '0' + ((pszMsg[iSrc] & 0007)); + } + } else { + pDst[iDst++] = pszMsg[iSrc]; + } + ++iSrc; + } + pDst[iDst] = '\0'; + + MsgSetRawMsg(pMsg, (char*)pDst, iDst); /* save sanitized string */ + + if(pDst != szSanBuf) + free(pDst); + +finalize_it: + RETiRet; +} + +/* A standard parser to parse out the PRI. This is made available in + * this module as it is expected that allmost all parsers will need + * that functionality and so they do not need to implement it themsleves. + */ +static rsRetVal +ParsePRI(smsg_t *pMsg) +{ + syslog_pri_t pri; + uchar *msg; + int lenMsg; + DEFiRet; + + /* pull PRI */ + lenMsg = pMsg->iLenRawMsg; + msg = pMsg->pszRawMsg; + pri = DEFUPRI; + if(pMsg->msgFlags & NO_PRI_IN_RAW) { + /* In this case, simply do so as if the pri would be right at top */ + MsgSetAfterPRIOffs(pMsg, 0); + } else { + if(*msg == '<') { + pri = 0; + while(--lenMsg > 0 && isdigit((int) *++msg) && pri <= LOG_MAXPRI) { + pri = 10 * pri + (*msg - '0'); + } + if(*msg == '>') { + ++msg; + } else { + pri = LOG_PRI_INVLD; + } + if(pri > LOG_MAXPRI) + pri = LOG_PRI_INVLD; + } + msgSetPRI(pMsg, pri); + MsgSetAfterPRIOffs(pMsg, (pri == LOG_PRI_INVLD) ? 0 : msg - pMsg->pszRawMsg); + } + RETiRet; +} + + +/* Parse a received message. The object's rawmsg property is taken and + * parsed according to the relevant standards. This can later be + * extended to support configured parsers. + * rgerhards, 2008-10-09 + */ +static rsRetVal +ParseMsg(smsg_t *pMsg) +{ + rsRetVal localRet = RS_RET_ERR; + parserList_t *pParserList; + parser_t *pParser; + sbool bIsSanitized; + sbool bPRIisParsed; + static int iErrMsgRateLimiter = 0; + DEFiRet; + + if(pMsg->iLenRawMsg == 0) + ABORT_FINALIZE(RS_RET_EMPTY_MSG); + + CHKiRet(uncompressMessage(pMsg)); + + /* we take the risk to print a non-sanitized string, because this is the best we can get + * (and that functionality is too important for debugging to drop it...). + */ + DBGPRINTF("msg parser: flags %x, from '%s', msg '%.60s'\n", pMsg->msgFlags, + (pMsg->msgFlags & NEEDS_DNSRESOL) ? UCHAR_CONSTANT("~NOTRESOLVED~") : getRcvFrom(pMsg), + pMsg->pszRawMsg); + + /* we now need to go through our list of parsers and see which one is capable of + * parsing the message. Note that the first parser that requires message sanitization + * will cause it to happen. After that, access to the unsanitized message is no + * loger possible. + */ + pParserList = ruleset.GetParserList(runConf, pMsg); + if(pParserList == NULL) { + pParserList = runConf->parsers.pDfltParsLst; + } + DBGPRINTF("parse using parser list %p%s.\n", pParserList, + (pParserList == runConf->parsers.pDfltParsLst) ? " (the default list)" : ""); + + bIsSanitized = RSFALSE; + bPRIisParsed = RSFALSE; + while(pParserList != NULL) { + pParser = pParserList->pParser; + if(pParser->bDoSanitazion && bIsSanitized == RSFALSE) { + CHKiRet(SanitizeMsg(pMsg)); + if(pParser->bDoPRIParsing && bPRIisParsed == RSFALSE) { + CHKiRet(ParsePRI(pMsg)); + bPRIisParsed = RSTRUE; + } + bIsSanitized = RSTRUE; + } + if(pParser->pModule->mod.pm.parse2 == NULL) + localRet = pParser->pModule->mod.pm.parse(pMsg); + else + localRet = pParser->pModule->mod.pm.parse2(pParser->pInst, pMsg); + DBGPRINTF("Parser '%s' returned %d\n", pParser->pName, localRet); + if(localRet != RS_RET_COULD_NOT_PARSE) + break; + pParserList = pParserList->pNext; + } + + /* We need to log a warning message and drop the message if we did not find a parser. + * Note that we log at most the first 1000 message, as this may very well be a problem + * that causes a message generation loop. We do not synchronize that counter, it doesn't + * matter if we log a handful messages more than we should... + */ + if(localRet != RS_RET_OK) { + if(++iErrMsgRateLimiter < 1000) { + LogError(0, localRet, "Error: one message could not be processed by " + "any parser, message is being discarded (start of raw msg: '%.60s')", + pMsg->pszRawMsg); + } + DBGPRINTF("No parser could process the message (state %d), we need to discard it.\n", localRet); + ABORT_FINALIZE(localRet); + } + + /* "finalize" message object */ + pMsg->msgFlags &= ~NEEDS_PARSING; /* this message is now parsed */ + +finalize_it: + RETiRet; +} + +/* This destroys the master parserlist and all of its parser entries. + * Parser modules are NOT unloaded, rsyslog does that at a later stage + * for all dynamically loaded modules. + */ +static rsRetVal +destroyMasterParserList(parserList_t *pParserListRoot) +{ + DEFiRet; + parserList_t *pParsLst; + parserList_t *pParsLstDel; + + pParsLst = pParserListRoot; + while(pParsLst != NULL) { + parserDestruct(&pParsLst->pParser); + pParsLstDel = pParsLst; + pParsLst = pParsLst->pNext; + free(pParsLstDel); + } + RETiRet; +} + +/* queryInterface function-- rgerhards, 2009-11-03 + */ +BEGINobjQueryInterface(parser) +CODESTARTobjQueryInterface(parser) + if(pIf->ifVersion != parserCURR_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 = parserConstruct; + pIf->ConstructFinalize = parserConstructFinalize; + pIf->Destruct = parserDestruct; + pIf->SetName = SetName; + pIf->SetModPtr = SetModPtr; + pIf->SetDoPRIParsing = SetDoPRIParsing; + pIf->ParseMsg = ParseMsg; + pIf->SanitizeMsg = SanitizeMsg; + pIf->DestructParserList = DestructParserList; + pIf->AddParserToList = AddParserToList; + pIf->AddDfltParser = AddDfltParser; + pIf->FindParser = FindParser; + pIf->destroyMasterParserList = destroyMasterParserList; +finalize_it: +ENDobjQueryInterface(parser) + +/* Exit our class. + * rgerhards, 2009-11-04 + */ +BEGINObjClassExit(parser, OBJ_IS_CORE_MODULE) /* class, version */ + objRelease(glbl, CORE_COMPONENT); + objRelease(datetime, CORE_COMPONENT); + objRelease(ruleset, CORE_COMPONENT); +ENDObjClassExit(parser) + + +/* Initialize the parser class. Must be called as the very first method + * before anything else is called inside this class. + * rgerhards, 2009-11-02 + */ +BEGINObjClassInit(parser, 1, OBJ_IS_CORE_MODULE) /* class, version */ + /* request objects we use */ + CHKiRet(objUse(glbl, CORE_COMPONENT)); + CHKiRet(objUse(datetime, CORE_COMPONENT)); + CHKiRet(objUse(ruleset, CORE_COMPONENT)); +ENDObjClassInit(parser) -- cgit v1.2.3