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-rw-r--r--omfile.c148
1 files changed, 84 insertions, 64 deletions
diff --git a/omfile.c b/omfile.c
index db2ec3eb..6a53a723 100644
--- a/omfile.c
+++ b/omfile.c
@@ -12,21 +12,22 @@
* 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 Rainer Gerhards and Adiscon GmbH.
+ * Copyright 2007, 2008 Rainer Gerhards and Adiscon GmbH.
*
- * This program 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 2
- * of the License, or (at your option) any later version.
+ * This file is part of rsyslog.
*
- * This program is distributed in the hope that it will be useful,
+ * 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 this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * 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.
*/
@@ -51,10 +52,14 @@
#include "omfile.h"
#include "cfsysline.h"
#include "module-template.h"
+#include "errmsg.h"
+
+MODULE_TYPE_OUTPUT
/* internal structures
*/
DEF_OMOD_STATIC_DATA
+DEFobjCurrIf(errmsg)
/* The following structure is a dynafile name cache entry.
*/
@@ -76,6 +81,8 @@ static uid_t fileGID; /* GID to be used for newly created files */
static uid_t dirUID; /* UID to be used for newly created directories */
static uid_t dirGID; /* GID to be used for newly created directories */
static int bCreateDirs; /* auto-create directories for dynaFiles: 0 - no, 1 - yes */
+static int bEnableSync = 0;/* enable syncing of files (no dash in front of pathname in conf): 0 - no, 1 - yes */
+static uchar *pszTplName = NULL; /* name of the default template to use */
/* end globals for default values */
typedef struct _instanceData {
@@ -87,7 +94,6 @@ typedef struct _instanceData {
eTypeCONSOLE,
eTypePIPE
} fileType;
- struct template *pTpl; /* pointer to template object */
char bDynamicName; /* 0 - static name, 1 - dynamic name (with properties) */
int fCreateMode; /* file creation mode for open() */
int fDirCreateMode; /* creation mode for mkdir() */
@@ -154,14 +160,14 @@ rsRetVal setDynaFileCacheSize(void __attribute__((unused)) *pVal, int iNewVal)
snprintf((char*) errMsg, sizeof(errMsg)/sizeof(uchar),
"DynaFileCacheSize must be greater 0 (%d given), changed to 1.", iNewVal);
errno = 0;
- logerror((char*) errMsg);
+ errmsg.LogError(NO_ERRCODE, "%s", errMsg);
iRet = RS_RET_VAL_OUT_OF_RANGE;
iNewVal = 1;
} else if(iNewVal > 10000) {
snprintf((char*) errMsg, sizeof(errMsg)/sizeof(uchar),
"DynaFileCacheSize maximum is 10,000 (%d given), changed to 10,000.", iNewVal);
errno = 0;
- logerror((char*) errMsg);
+ errmsg.LogError(NO_ERRCODE, "%s", errMsg);
iRet = RS_RET_VAL_OUT_OF_RANGE;
iNewVal = 10000;
}
@@ -169,7 +175,7 @@ rsRetVal setDynaFileCacheSize(void __attribute__((unused)) *pVal, int iNewVal)
iDynaFileCacheSize = iNewVal;
dbgprintf("DynaFileCacheSize changed to %d.\n", iNewVal);
- return iRet;
+ RETiRet;
}
@@ -214,8 +220,8 @@ static rsRetVal cflineParseOutchannel(instanceData *pData, uchar* p, omodStringR
snprintf(errMsg, sizeof(errMsg)/sizeof(char),
"outchannel '%s' not found - ignoring action line",
szBuf);
- logerror(errMsg);
- return RS_RET_NOT_FOUND;
+ errmsg.LogError(NO_ERRCODE, "%s", errMsg);
+ ABORT_FINALIZE(RS_RET_NOT_FOUND);
}
/* check if there is a file name in the outchannel... */
@@ -225,8 +231,8 @@ static rsRetVal cflineParseOutchannel(instanceData *pData, uchar* p, omodStringR
snprintf(errMsg, sizeof(errMsg)/sizeof(char),
"outchannel '%s' has no file name template - ignoring action line",
szBuf);
- logerror(errMsg);
- return RS_RET_ERR;
+ errmsg.LogError(NO_ERRCODE, "%s", errMsg);
+ ABORT_FINALIZE(RS_RET_ERR);
}
/* OK, we finally got a correct template. So let's use it... */
@@ -237,9 +243,12 @@ static rsRetVal cflineParseOutchannel(instanceData *pData, uchar* p, omodStringR
*/
pData->f_sizeLimitCmd = (char*) pOch->cmdOnSizeLimit;
- iRet = cflineParseTemplateName(&p, pOMSR, iEntry, iTplOpts, (uchar*) " TradFmt");
+RUNLOG_VAR("%p", pszTplName);
+ iRet = cflineParseTemplateName(&p, pOMSR, iEntry, iTplOpts,
+ (pszTplName == NULL) ? (uchar*)"RSYSLOG_FileFormat" : pszTplName);
- return(iRet);
+finalize_it:
+ RETiRet;
}
@@ -255,7 +264,7 @@ int resolveFileSizeLimit(instanceData *pData)
uchar *pCmd;
uchar *p;
off_t actualFileSize;
- assert(pData != NULL);
+ ASSERT(pData != NULL);
if(pData->f_sizeLimitCmd == NULL)
return 1; /* nothing we can do in this case... */
@@ -305,14 +314,16 @@ int resolveFileSizeLimit(instanceData *pData)
* as the index of the to-be-deleted entry. This index may
* point to an unallocated entry, in whcih case the
* function immediately returns. Parameter bFreeEntry is 1
- * if the entry should be free()ed and 0 if not.
+ * if the entry should be d_free()ed and 0 if not.
*/
static void dynaFileDelCacheEntry(dynaFileCacheEntry **pCache, int iEntry, int bFreeEntry)
{
- assert(pCache != NULL);
+ ASSERT(pCache != NULL);
+
+ BEGINfunc;
if(pCache[iEntry] == NULL)
- return;
+ FINALIZE;
dbgprintf("Removed entry %d for file '%s' from dynaCache.\n", iEntry,
pCache[iEntry]->pName == NULL ? "[OPEN FAILED]" : (char*)pCache[iEntry]->pName);
@@ -322,14 +333,17 @@ static void dynaFileDelCacheEntry(dynaFileCacheEntry **pCache, int iEntry, int b
*/
if(pCache[iEntry]->pName != NULL) {
close(pCache[iEntry]->fd);
- free(pCache[iEntry]->pName);
+ d_free(pCache[iEntry]->pName);
pCache[iEntry]->pName = NULL;
}
if(bFreeEntry) {
- free(pCache[iEntry]);
+ d_free(pCache[iEntry]);
pCache[iEntry] = NULL;
}
+
+finalize_it:
+ ENDfunc;
}
@@ -338,14 +352,16 @@ static void dynaFileDelCacheEntry(dynaFileCacheEntry **pCache, int iEntry, int b
static void dynaFileFreeCache(instanceData *pData)
{
register int i;
- assert(pData != NULL);
+ ASSERT(pData != NULL);
+ BEGINfunc;
for(i = 0 ; i < pData->iCurrCacheSize ; ++i) {
dynaFileDelCacheEntry(pData->dynCache, i, 1);
}
if(pData->dynCache != NULL)
- free(pData->dynCache);
+ d_free(pData->dynCache);
+ ENDfunc;
}
@@ -410,8 +426,8 @@ static int prepareDynFile(instanceData *pData, uchar *newFileName, unsigned iMsg
int iFirstFree;
dynaFileCacheEntry **pCache;
- assert(pData != NULL);
- assert(newFileName != NULL);
+ ASSERT(pData != NULL);
+ ASSERT(newFileName != NULL);
pCache = pData->dynCache;
@@ -482,7 +498,7 @@ static int prepareDynFile(instanceData *pData, uchar *newFileName, unsigned iMsg
if(iMsgOpts & INTERNAL_MSG)
dbgprintf("Could not open dynaFile, discarding message\n");
else
- logerrorSz("Could not open dynamic file '%s' - discarding message", (char*)newFileName);
+ errmsg.LogError(NO_ERRCODE, "Could not open dynamic file '%s' - discarding message", (char*)newFileName);
dynaFileDelCacheEntry(pCache, iFirstFree, 1);
pData->iCurrElt = -1;
return -1;
@@ -508,14 +524,14 @@ static rsRetVal writeFile(uchar **ppString, unsigned iMsgOpts, instanceData *pDa
off_t actualFileSize;
DEFiRet;
- assert(pData != NULL);
+ ASSERT(pData != NULL);
/* first check if we have a dynamic file name and, if so,
* check if it still is ok or a new file needs to be created
*/
if(pData->bDynamicName) {
if(prepareDynFile(pData, ppString[1], iMsgOpts) != 0)
- return RS_RET_ERR;
+ ABORT_FINALIZE(RS_RET_ERR);
}
/* create the message based on format specified */
@@ -539,14 +555,14 @@ again:
"no longer writing to file %s; grown beyond configured file size of %lld bytes, actual size %lld - configured command did not resolve situation",
pData->f_fname, (long long) pData->f_sizeLimit, (long long) actualFileSize);
errno = 0;
- logerror(errMsg);
- return RS_RET_DISABLE_ACTION;
+ errmsg.LogError(NO_ERRCODE, "%s", errMsg);
+ ABORT_FINALIZE(RS_RET_DISABLE_ACTION);
} else {
snprintf(errMsg, sizeof(errMsg),
"file %s had grown beyond configured file size of %lld bytes, actual size was %lld - configured command resolved situation",
pData->f_fname, (long long) pData->f_sizeLimit, (long long) actualFileSize);
errno = 0;
- logerror(errMsg);
+ errmsg.LogError(NO_ERRCODE, "%s", errMsg);
}
}
}
@@ -557,14 +573,14 @@ again:
/* If a named pipe is full, just ignore it for now
- mrn 24 May 96 */
if (pData->fileType == eTypePIPE && e == EAGAIN)
- return RS_RET_OK;
+ ABORT_FINALIZE(RS_RET_OK);
/* If the filesystem is filled up, just ignore
* it for now and continue writing when possible
* based on patch for sysklogd by Martin Schulze on 2007-05-24
*/
if (pData->fileType == eTypeFILE && e == ENOSPC)
- return RS_RET_OK;
+ ABORT_FINALIZE(RS_RET_OK);
(void) close(pData->fd);
/*
@@ -580,7 +596,7 @@ again:
pData->fd = open((char*) pData->f_fname, O_WRONLY|O_APPEND|O_NOCTTY);
if (pData->fd < 0) {
iRet = RS_RET_DISABLE_ACTION;
- logerror((char*) pData->f_fname);
+ errmsg.LogError(NO_ERRCODE, "%s", pData->f_fname);
} else {
untty();
goto again;
@@ -588,11 +604,14 @@ again:
} else {
iRet = RS_RET_DISABLE_ACTION;
errno = e;
- logerror((char*) pData->f_fname);
+ errmsg.LogError(NO_ERRCODE, "%s", pData->f_fname);
}
- } else if (pData->bSyncFile)
+ } else if (pData->bSyncFile) {
fsync(pData->fd);
- return(iRet);
+ }
+
+finalize_it:
+ RETiRet;
}
@@ -611,21 +630,6 @@ CODESTARTfreeInstance
ENDfreeInstance
-BEGINonSelectReadyWrite
-CODESTARTonSelectReadyWrite
-ENDonSelectReadyWrite
-
-
-BEGINneedUDPSocket
-CODESTARTneedUDPSocket
-ENDneedUDPSocket
-
-
-BEGINgetWriteFDForSelect
-CODESTARTgetWriteFDForSelect
-ENDgetWriteFDForSelect
-
-
BEGINtryResume
CODESTARTtryResume
ENDtryResume
@@ -648,20 +652,24 @@ CODESTARTparseSelectorAct
* the code further changes. -- rgerhards, 2007-07-25
*/
if(*p == '$' || *p == '?' || *p == '|' || *p == '/' || *p == '-') {
- if((iRet = createInstance(&pData)) != RS_RET_OK)
- return iRet;
+ if((iRet = createInstance(&pData)) != RS_RET_OK) {
+ ENDfunc
+ return iRet; /* this can not use RET_iRet! */
+ }
} else {
/* this is not clean, but we need it for the time being
* TODO: remove when cleaning up modularization
*/
+ ENDfunc
return RS_RET_CONFLINE_UNPROCESSED;
}
- if (*p == '-') {
+ if(*p == '-') {
pData->bSyncFile = 0;
p++;
- } else
- pData->bSyncFile = 1;
+ } else {
+ pData->bSyncFile = bEnableSync ? 1 : 0;
+ }
pData->f_sizeLimit = 0; /* default value, use outchannels to configure! */
@@ -690,7 +698,8 @@ CODESTARTparseSelectorAct
*/
CODE_STD_STRING_REQUESTparseSelectorAct(2)
++p; /* eat '?' */
- if((iRet = cflineParseFileName(p, (uchar*) pData->f_fname, *ppOMSR, 0, OMSR_NO_RQD_TPL_OPTS))
+ if((iRet = cflineParseFileName(p, (uchar*) pData->f_fname, *ppOMSR, 0, OMSR_NO_RQD_TPL_OPTS,
+ (pszTplName == NULL) ? (uchar*)"RSYSLOG_FileFormat" : pszTplName))
!= RS_RET_OK)
break;
/* "filename" is actually a template name, we need this as string 1. So let's add it
@@ -735,7 +744,8 @@ CODESTARTparseSelectorAct
* to use is specified. So we need to scan for the first coma first
* and then look at the rest of the line.
*/
- if((iRet = cflineParseFileName(p, (uchar*) pData->f_fname, *ppOMSR, 0, OMSR_NO_RQD_TPL_OPTS))
+ if((iRet = cflineParseFileName(p, (uchar*) pData->f_fname, *ppOMSR, 0, OMSR_NO_RQD_TPL_OPTS,
+ (pszTplName == NULL) ? (uchar*)"RSYSLOG_FileFormat" : pszTplName))
!= RS_RET_OK)
break;
@@ -758,7 +768,7 @@ CODESTARTparseSelectorAct
if ( pData->fd < 0 ){
pData->fd = -1;
dbgprintf("Error opening log file: %s\n", pData->f_fname);
- logerror((char*) pData->f_fname);
+ errmsg.LogError(NO_ERRCODE, "%s", pData->f_fname);
break;
}
if (isatty(pData->fd)) {
@@ -790,6 +800,11 @@ static rsRetVal resetConfigVariables(uchar __attribute__((unused)) *pp, void __a
fCreateMode = 0644;
fDirCreateMode = 0644;
bCreateDirs = 1;
+ bEnableSync = 0;
+ if(pszTplName != NULL) {
+ free(pszTplName);
+ pszTplName = NULL;
+ }
return RS_RET_OK;
}
@@ -797,6 +812,8 @@ static rsRetVal resetConfigVariables(uchar __attribute__((unused)) *pp, void __a
BEGINmodExit
CODESTARTmodExit
+ if(pszTplName != NULL)
+ free(pszTplName);
ENDmodExit
@@ -808,8 +825,9 @@ ENDqueryEtryPt
BEGINmodInit(File)
CODESTARTmodInit
- *ipIFVersProvided = 1; /* so far, we only support the initial definition */
+ *ipIFVersProvided = CURR_MOD_IF_VERSION; /* we only support the current interface specification */
CODEmodInit_QueryRegCFSLineHdlr
+ CHKiRet(objUse(errmsg, CORE_COMPONENT));
CHKiRet(omsdRegCFSLineHdlr((uchar *)"dynafilecachesize", 0, eCmdHdlrInt, (void*) setDynaFileCacheSize, NULL, STD_LOADABLE_MODULE_ID));
CHKiRet(omsdRegCFSLineHdlr((uchar *)"dirowner", 0, eCmdHdlrUID, NULL, &dirUID, STD_LOADABLE_MODULE_ID));
CHKiRet(omsdRegCFSLineHdlr((uchar *)"dirgroup", 0, eCmdHdlrGID, NULL, &dirGID, STD_LOADABLE_MODULE_ID));
@@ -819,6 +837,8 @@ CODEmodInit_QueryRegCFSLineHdlr
CHKiRet(omsdRegCFSLineHdlr((uchar *)"filecreatemode", 0, eCmdHdlrFileCreateMode, NULL, &fCreateMode, STD_LOADABLE_MODULE_ID));
CHKiRet(omsdRegCFSLineHdlr((uchar *)"createdirs", 0, eCmdHdlrBinary, NULL, &bCreateDirs, STD_LOADABLE_MODULE_ID));
CHKiRet(omsdRegCFSLineHdlr((uchar *)"failonchownfailure", 0, eCmdHdlrBinary, NULL, &bFailOnChown, STD_LOADABLE_MODULE_ID));
+ CHKiRet(omsdRegCFSLineHdlr((uchar *)"actionfileenablesync", 0, eCmdHdlrBinary, NULL, &bEnableSync, STD_LOADABLE_MODULE_ID));
+ CHKiRet(regCfSysLineHdlr((uchar *)"actionfiledefaulttemplate", 0, eCmdHdlrGetWord, NULL, &pszTplName, NULL));
CHKiRet(omsdRegCFSLineHdlr((uchar *)"resetconfigvariables", 1, eCmdHdlrCustomHandler, resetConfigVariables, NULL, STD_LOADABLE_MODULE_ID));
ENDmodInit
/*
generated by cgit (git 2.34.1) at 2024-11-18 15:22:07 +0000