From a2e69cffff21ad433e61b45f91a2be4d5ebc5c72 Mon Sep 17 00:00:00 2001 From: Tomas Heinrich Date: Tue, 10 Jan 2012 17:14:16 +0100 Subject: added $SpaceLFOnReceive config directive Signed-off-by: Rainer Gerhards --- dirty.h | 1 + doc/rsyslog_conf_global.html | 1 + runtime/parser.c | 6 +++++- tools/syslogd.c | 9 +++++++++ 4 files changed, 16 insertions(+), 1 deletion(-) diff --git a/dirty.h b/dirty.h index 0153cb69..a93eca8f 100644 --- a/dirty.h +++ b/dirty.h @@ -54,6 +54,7 @@ extern int bReduceRepeatMsgs; extern int bDropTrailingLF; extern uchar cCCEscapeChar; extern int bEscapeCCOnRcv; +extern int bSpaceLFOnRcv; #ifdef USE_NETZIP /* config param: minimum message size to try compression. The smaller * the message, the less likely is any compression gain. We check for diff --git a/doc/rsyslog_conf_global.html b/doc/rsyslog_conf_global.html index d5a27541..f5269490 100644 --- a/doc/rsyslog_conf_global.html +++ b/doc/rsyslog_conf_global.html @@ -130,6 +130,7 @@ our paper on using multiple rule sets in rsyslog$DropTrailingLFOnReception
  • $DynaFileCacheSize
  • $EscapeControlCharactersOnReceive
    • +
  • $SpaceLFOnReceive [on/off] - instructs rsyslogd to replace LF with spaces during message reception (sysklogd compatibility aid)
  • $ErrorMessagesToStderr [on|off] - direct rsyslogd error message to stderr (in addition to other targets)
  • $FailOnChownFailure
  • $FileCreateMode
    • diff --git a/runtime/parser.c b/runtime/parser.c index 466066e7..57b7bf8f 100644 --- a/runtime/parser.c +++ b/runtime/parser.c @@ -202,9 +202,13 @@ sanitizeMessage(msg_t *pMsg) int bNeedSanitize = 0; for(iSrc = 0 ; iSrc < lenMsg ; iSrc++) { if(iscntrl(pszMsg[iSrc])) { + if(bSpaceLFOnRcv && pszMsg[iSrc] == '\n') + pszMsg[iSrc] = ' '; + else if(pszMsg[iSrc] == '\0' || bEscapeCCOnRcv) { bNeedSanitize = 1; - break; + if (!bSpaceLFOnRcv) + break; } } } diff --git a/tools/syslogd.c b/tools/syslogd.c index 4a5cbf60..b696c55f 100644 --- a/tools/syslogd.c +++ b/tools/syslogd.c @@ -259,6 +259,7 @@ static int bDebugPrintCfSysLineHandlerList = 1;/* output cfsyslinehandler list i static int bDebugPrintModuleList = 1;/* output module list in debug mode? */ uchar cCCEscapeChar = '\\';/* character to be used to start an escape sequence for control chars */ int bEscapeCCOnRcv = 1; /* escape control characters on reception: 0 - no, 1 - yes */ +int bSpaceLFOnRcv = 0; /* replace newlines with spaces on reception: 0 - no, 1 - yes */ static int bErrMsgToStderr = 1; /* print error messages to stderr (in addition to everything else)? */ int bReduceRepeatMsgs; /* reduce repeated message - 0 - no, 1 - yes */ int bActExecWhenPrevSusp; /* execute action only when previous one was suspended? */ @@ -343,6 +344,7 @@ static rsRetVal resetConfigVariables(uchar __attribute__((unused)) *pp, void __a bDebugPrintCfSysLineHandlerList = 1; bDebugPrintModuleList = 1; bEscapeCCOnRcv = 1; /* default is to escape control characters */ + bSpaceLFOnRcv = 0; bReduceRepeatMsgs = 0; free(pszMainMsgQFName); pszMainMsgQFName = NULL; @@ -810,6 +812,9 @@ parseAndSubmitMessage(uchar *hname, uchar *hnameIP, uchar *msg, int len, int fla /* log an error? Very questionable... rgerhards, 2006-11-30 */ /* decided: we do not log an error, it won't help... rger, 2007-06-21 */ ++pData; + } else if (bSpaceLFOnRcv && *pData == '\n') { + *(pMsg + iMsg++) = ' '; + ++pData; } else if(bEscapeCCOnRcv && iscntrl((int) *pData)) { /* we are configured to escape control characters. Please note * that this most probably break non-western character sets like @@ -2115,6 +2120,9 @@ static void dbgPrintInitInfo(void) DBGPRINTF("Control characters are %sreplaced upon reception.\n", bEscapeCCOnRcv? "" : "not "); + DBGPRINTF("Newlines are %sreplaced upon reception.\n", + bSpaceLFOnRcv? "" : "not "); + if(bEscapeCCOnRcv) DBGPRINTF("Control character escape sequence prefix is '%c'.\n", cCCEscapeChar); @@ -2728,6 +2736,7 @@ static rsRetVal loadBuildInModules(void) CHKiRet(regCfSysLineHdlr((uchar *)"actionresumeinterval", 0, eCmdHdlrInt, setActionResumeInterval, NULL, NULL)); CHKiRet(regCfSysLineHdlr((uchar *)"controlcharacterescapeprefix", 0, eCmdHdlrGetChar, NULL, &cCCEscapeChar, NULL)); CHKiRet(regCfSysLineHdlr((uchar *)"escapecontrolcharactersonreceive", 0, eCmdHdlrBinary, NULL, &bEscapeCCOnRcv, NULL)); + CHKiRet(regCfSysLineHdlr((uchar *)"spacelfonreceive", 0, eCmdHdlrBinary, NULL, &bSpaceLFOnRcv, NULL)); CHKiRet(regCfSysLineHdlr((uchar *)"droptrailinglfonreception", 0, eCmdHdlrBinary, NULL, &bDropTrailingLF, NULL)); CHKiRet(regCfSysLineHdlr((uchar *)"template", 0, eCmdHdlrCustomHandler, conf.doNameLine, (void*)DIR_TEMPLATE, NULL)); CHKiRet(regCfSysLineHdlr((uchar *)"outchannel", 0, eCmdHdlrCustomHandler, conf.doNameLine, (void*)DIR_OUTCHANNEL, NULL)); -- cgit