summaryrefslogtreecommitdiffstats
path: root/runtime/parser.c
diff options
context:
space:
mode:
Diffstat (limited to 'runtime/parser.c')
-rw-r--r--runtime/parser.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/runtime/parser.c b/runtime/parser.c
index 38f72986..b5245795 100644
--- a/runtime/parser.c
+++ b/runtime/parser.c
@@ -60,6 +60,7 @@ DEFobjCurrIf(ruleset)
/* config data */
static uchar cCCEscapeChar = '#';/* character to be used to start an escape sequence for control chars */
static int bEscapeCCOnRcv = 1; /* escape control characters on reception: 0 - no, 1 - yes */
+static int bEscapeTab = 1; /* escape tab control character when doing CC escapes: 0 - no, 1 - yes */
static int bDropTrailingLF = 1; /* drop trailing LF's on reception? */
/* This is the list of all parsers known to us.
@@ -339,6 +340,11 @@ SanitizeMsg(msg_t *pMsg)
* 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++) {
@@ -367,7 +373,7 @@ SanitizeMsg(msg_t *pMsg)
CHKmalloc(pDst = MALLOC(sizeof(uchar) * (iMaxLine + 1)));
iSrc = iDst = 0;
while(iSrc < lenMsg && iDst < maxDest - 3) { /* leave some space if last char must be escaped */
- if(iscntrl((int) pszMsg[iSrc])) {
+ if(iscntrl((int) pszMsg[iSrc]) && (pszMsg[iSrc] != '\t' || bEscapeTab)) {
/* note: \0 must always be escaped, the rest of the code currently
* can not handle it! -- rgerhards, 2009-08-26
*/
@@ -462,7 +468,8 @@ ParseMsg(msg_t *pMsg)
* (and that functionality is too important for debugging to drop it...).
*/
DBGPRINTF("msg parser: flags %x, from '%s', msg '%.50s'\n", pMsg->msgFlags,
- getRcvFrom(pMsg), pMsg->pszRawMsg);
+ (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
@@ -618,6 +625,7 @@ resetConfigVariables(uchar __attribute__((unused)) *pp, void __attribute__((unus
{
cCCEscapeChar = '#';
bEscapeCCOnRcv = 1; /* default is to escape control characters */
+ bEscapeTab = 1; /* default is to escape control characters */
bDropTrailingLF = 1; /* default is to drop trailing LF's on reception */
return RS_RET_OK;
@@ -669,6 +677,7 @@ BEGINObjClassInit(parser, 1, OBJ_IS_CORE_MODULE) /* class, version */
CHKiRet(regCfSysLineHdlr((uchar *)"controlcharacterescapeprefix", 0, eCmdHdlrGetChar, NULL, &cCCEscapeChar, NULL));
CHKiRet(regCfSysLineHdlr((uchar *)"droptrailinglfonreception", 0, eCmdHdlrBinary, NULL, &bDropTrailingLF, NULL));
CHKiRet(regCfSysLineHdlr((uchar *)"escapecontrolcharactersonreceive", 0, eCmdHdlrBinary, NULL, &bEscapeCCOnRcv, NULL));
+ CHKiRet(regCfSysLineHdlr((uchar *)"escapecontrolcharactertab", 0, eCmdHdlrBinary, NULL, &bEscapeTab, NULL));
CHKiRet(regCfSysLineHdlr((uchar *)"resetconfigvariables", 1, eCmdHdlrCustomHandler, resetConfigVariables, NULL, NULL));
InitParserList(&pParsLstRoot);