diff options
Diffstat (limited to 'tools/syslogd.c')
-rw-r--r-- | tools/syslogd.c | 404 |
1 files changed, 181 insertions, 223 deletions
diff --git a/tools/syslogd.c b/tools/syslogd.c index a89c7e57..a8a733d6 100644 --- a/tools/syslogd.c +++ b/tools/syslogd.c @@ -44,7 +44,6 @@ #include "rsyslog.h" #define DEFUPRI (LOG_USER|LOG_NOTICE) -#define TIMERINTVL 30 /* interval for checking flush, mark */ #include <unistd.h> #include <stdlib.h> @@ -52,7 +51,6 @@ #include <stddef.h> #include <ctype.h> #include <limits.h> -#define GNU_SOURCE #include <string.h> #include <stdarg.h> #include <time.h> @@ -93,6 +91,8 @@ #include <zlib.h> #endif +extern int yydebug; /* interface to flex */ + #include <netdb.h> #include "pidfile.h" @@ -119,13 +119,13 @@ #include "batch.h" #include "unicode-helper.h" #include "ruleset.h" -#include "rule.h" #include "net.h" #include "prop.h" #include "rsconf.h" #include "dnscache.h" #include "sd-daemon.h" #include "rainerscript.h" +#include "ratelimit.h" /* definitions for objects we access */ DEFobjCurrIf(obj) @@ -134,7 +134,6 @@ DEFobjCurrIf(datetime) /* TODO: make go away! */ DEFobjCurrIf(conf) DEFobjCurrIf(module) DEFobjCurrIf(errmsg) -DEFobjCurrIf(rule) DEFobjCurrIf(ruleset) DEFobjCurrIf(prop) DEFobjCurrIf(parser) @@ -195,7 +194,6 @@ static prop_t *pInternalInputName = NULL; /* there is only one global inputName static uchar *ConfFile = (uchar*) _PATH_LOGCONF; /* read-only after startup */ static char *PidFile = _PATH_LOGPID; /* read-only after startup */ -static pid_t myPid; /* our pid for use in self-generated messages, e.g. on startup */ /* mypid is read-only after the initial fork() */ static int bHadHUP = 0; /* did we have a HUP? */ @@ -205,13 +203,6 @@ static int bFinished = 0; /* used by termination signal handler, read-only excep */ int iConfigVerify = 0; /* is this just a config verify run? */ -/* Intervals at which we flush out "message repeated" messages, - * in seconds after previous message is logged. After each flush, - * we move to the next interval until we reach the largest. - * TODO: this shall go into action object! -- rgerhards, 2008-01-29 - */ -int repeatinterval[2] = { 30, 60 }; /* # of secs before flush */ - #define LIST_DELIMITER ':' /* delimiter between two hosts */ static pid_t ppid; /* This is a quick and dirty hack used for spliting main/startup thread */ @@ -222,9 +213,11 @@ struct queuefilenames_s { } *queuefilenames = NULL; +static ratelimit_t *dflt_ratelimiter = NULL; /* ratelimiter for submits without explicit one */ +static ratelimit_t *internalMsg_ratelimiter = NULL; /* ratelimiter for rsyslog-own messages */ int MarkInterval = 20 * 60; /* interval between marks in seconds - read-only after startup */ int send_to_all = 0; /* send message to all IPv4/IPv6 addresses */ -static int NoFork = 0; /* don't fork - don't run in daemon mode - read-only after startup */ +static int doFork = 1; /* fork - run in daemon mode - read-only after startup */ int bHaveMainQueue = 0;/* set to 1 if the main queue - in queueing mode - is available * If the main queue is either not yet ready or not running in * queueing mode (mode DIRECT!), then this is set to 0. @@ -413,7 +406,7 @@ parseAndSubmitMessage(uchar *hname, uchar *hnameIP, uchar *msg, int len, int fla CHKiRet(prop.Destruct(&pProp)); CHKiRet(MsgSetRcvFromIPStr(pMsg, hnameIP, ustrlen(hnameIP), &pProp)); CHKiRet(prop.Destruct(&pProp)); - CHKiRet(submitMsg(pMsg)); + CHKiRet(submitMsg2(pMsg)); finalize_it: RETiRet; @@ -433,6 +426,12 @@ submitErrMsg(int iErr, uchar *msg) } +static inline rsRetVal +submitMsgWithDfltRatelimiter(msg_t *pMsg) +{ + return ratelimitAddMsg(dflt_ratelimiter, NULL, pMsg); +} + /* rgerhards 2004-11-09: the following is a function that can be used * to log a message orginating from the syslogd itself. */ @@ -473,7 +472,7 @@ logmsgInternal(int iErr, int pri, uchar *msg, int flags) * permits us to process unmodified config files which otherwise contain a * supressor statement. */ - if(((Debug == DEBUG_FULL || NoFork) && ourConf->globals.bErrMsgToStderr) || iConfigVerify) { + if(((Debug == DEBUG_FULL || !doFork) && ourConf->globals.bErrMsgToStderr) || iConfigVerify) { if(LOG_PRI(pri) == LOG_ERR) fprintf(stderr, "rsyslogd: %s\n", msg); } @@ -484,50 +483,13 @@ logmsgInternal(int iErr, int pri, uchar *msg, int flags) /* we have the queue, so we can simply provide the * message to the queue engine. */ - submitMsg(pMsg); + ratelimitAddMsg(internalMsg_ratelimiter, NULL, pMsg); + //submitMsgWithDfltRatelimiter(pMsg); } finalize_it: RETiRet; } -/* check message against ACL set - * rgerhards, 2009-11-16 - */ -#if 0 -static inline rsRetVal -chkMsgAgainstACL() { - /* if we reach this point, we had a good receive and can process the packet received */ - /* check if we have a different sender than before, if so, we need to query some new values */ - if(net.CmpHost(&frominet, frominetPrev, socklen) != 0) { - CHKiRet(net.cvthname(&frominet, fromHost, fromHostFQDN, fromHostIP)); - memcpy(frominetPrev, &frominet, socklen); /* update cache indicator */ - /* Here we check if a host is permitted to send us - * syslog messages. If it isn't, we do not further - * process the message but log a warning (if we are - * configured to do this). - * rgerhards, 2005-09-26 - */ - *pbIsPermitted = net.isAllowedSender((uchar*)"UDP", - (struct sockaddr *)&frominet, (char*)fromHostFQDN); - - if(!*pbIsPermitted) { - DBGPRINTF("%s is not an allowed sender\n", (char*)fromHostFQDN); - if(glbl.GetOption_DisallowWarning) { - time_t tt; - - datetime.GetTime(&tt); - if(tt > ttLastDiscard + 60) { - ttLastDiscard = tt; - errmsg.LogError(0, NO_ERRCODE, - "UDP message from disallowed sender %s discarded", - (char*)fromHost); - } - } - } - } -} -#endif - /* preprocess a batch of messages, that is ready them for actual processing. This is done * as a first stage and totally in parallel to any other worker active in the system. So @@ -536,9 +498,9 @@ chkMsgAgainstACL() { */ static inline rsRetVal preprocessBatch(batch_t *pBatch) { - uchar fromHost[NI_MAXHOST]; - uchar fromHostIP[NI_MAXHOST]; - uchar fromHostFQDN[NI_MAXHOST]; + prop_t *ip; + prop_t *fqdn; + prop_t *localName; prop_t *propFromHost = NULL; prop_t *propFromHostIP = NULL; int bSingleRuleset; @@ -550,31 +512,31 @@ preprocessBatch(batch_t *pBatch) { DEFiRet; bSingleRuleset = 1; - batchRuleset = (pBatch->nElem > 0) ? ((msg_t*) pBatch->pElem[0].pUsrp)->pRuleset : NULL; + batchRuleset = (pBatch->nElem > 0) ? pBatch->pElem[0].pMsg->pRuleset : NULL; for(i = 0 ; i < pBatch->nElem && !*(pBatch->pbShutdownImmediate) ; i++) { - pMsg = (msg_t*) pBatch->pElem[i].pUsrp; + pMsg = pBatch->pElem[i].pMsg; if((pMsg->msgFlags & NEEDS_ACLCHK_U) != 0) { DBGPRINTF("msgConsumer: UDP ACL must be checked for message (hostname-based)\n"); - if(net.cvthname(pMsg->rcvFrom.pfrominet, fromHost, fromHostFQDN, fromHostIP) != RS_RET_OK) + if(net.cvthname(pMsg->rcvFrom.pfrominet, &localName, &fqdn, &ip) != RS_RET_OK) continue; bIsPermitted = net.isAllowedSender2((uchar*)"UDP", - (struct sockaddr *)pMsg->rcvFrom.pfrominet, (char*)fromHostFQDN, 1); + (struct sockaddr *)pMsg->rcvFrom.pfrominet, (char*)propGetSzStr(fqdn), 1); if(!bIsPermitted) { DBGPRINTF("Message from '%s' discarded, not a permitted sender host\n", - fromHostFQDN); - pBatch->pElem[i].state = BATCH_STATE_DISC; + propGetSzStr(fqdn)); + pBatch->eltState[i] = BATCH_STATE_DISC; } else { /* save some of the info we obtained */ - MsgSetRcvFromStr(pMsg, fromHost, ustrlen(fromHost), &propFromHost); - CHKiRet(MsgSetRcvFromIPStr(pMsg, fromHostIP, ustrlen(fromHostIP), &propFromHostIP)); + MsgSetRcvFrom(pMsg, localName); + CHKiRet(MsgSetRcvFromIP(pMsg, ip)); pMsg->msgFlags &= ~NEEDS_ACLCHK_U; } } if((pMsg->msgFlags & NEEDS_PARSING) != 0) { if((localRet = parser.ParseMsg(pMsg)) != RS_RET_OK) { DBGPRINTF("Message discarded, parsing error %d\n", localRet); - pBatch->pElem[i].state = BATCH_STATE_DISC; + pBatch->eltState[i] = BATCH_STATE_DISC; } } if(pMsg->pRuleset != batchRuleset) @@ -609,7 +571,7 @@ msgConsumer(void __attribute__((unused)) *notNeeded, batch_t *pBatch, int *pbShu //do not have this yet and so we emulate -- 2010-06-10 int i; for(i = 0 ; i < pBatch->nElem && !*pbShutdownImmediate ; i++) { - pBatch->pElem[i].state = BATCH_STATE_COMM; + pBatch->eltState[i] = BATCH_STATE_COMM; } RETiRet; } @@ -620,7 +582,7 @@ int i; * rgerhards, 2008-02-13 */ rsRetVal -submitMsg(msg_t *pMsg) +submitMsg2(msg_t *pMsg) { qqueue_t *pQueue; ruleset_t *pRuleset; @@ -633,26 +595,31 @@ submitMsg(msg_t *pMsg) /* if a plugin logs a message during shutdown, the queue may no longer exist */ if(pQueue == NULL) { - DBGPRINTF("submitMsg() could not submit message - " + DBGPRINTF("submitMsg2() could not submit message - " "queue does (no longer?) exist - ignored\n"); FINALIZE; } - qqueueEnqObj(pQueue, pMsg->flowCtlType, (void*) pMsg); + qqueueEnqMsg(pQueue, pMsg->flowCtlType, pMsg); finalize_it: RETiRet; } +rsRetVal +submitMsg(msg_t *pMsg) +{ + return submitMsgWithDfltRatelimiter(pMsg); +} + /* submit multiple messages at once, very similar to submitMsg, just * for multi_submit_t. All messages need to go into the SAME queue! * rgerhards, 2009-06-16 */ rsRetVal -multiSubmitMsg(multi_submit_t *pMultiSub) +multiSubmitMsg2(multi_submit_t *pMultiSub) { - int i; qqueue_t *pQueue; ruleset_t *pRuleset; DEFiRet; @@ -677,8 +644,23 @@ multiSubmitMsg(multi_submit_t *pMultiSub) finalize_it: RETiRet; } +rsRetVal +multiSubmitMsg(multi_submit_t *pMultiSub) /* backward compat. level */ +{ + return multiSubmitMsg2(pMultiSub); +} +/* flush multiSubmit, e.g. at end of read records */ +rsRetVal +multiSubmitFlush(multi_submit_t *pMultiSub) +{ + DEFiRet; + if(pMultiSub->nElem > 0) { + iRet = multiSubmitMsg2(pMultiSub); + } + RETiRet; +} static void @@ -697,43 +679,6 @@ reapchild() } -/* helper to doFlushRptdMsgs() to flush the individual action links via llExecFunc - * rgerhards, 2007-08-02 - */ -DEFFUNC_llExecFunc(flushRptdMsgsActions) -{ - action_t *pAction = (action_t*) pData; - assert(pAction != NULL); - - BEGINfunc - d_pthread_mutex_lock(&pAction->mutAction); - /* TODO: time() performance: the call below could be moved to - * the beginn of the llExec(). This makes it slightly less correct, but - * in an acceptable way. -- rgerhards, 2008-09-16 - */ - if (pAction->f_prevcount && datetime.GetTime(NULL) >= REPEATTIME(pAction)) { - DBGPRINTF("flush %s: repeated %d times, %d sec.\n", - module.GetStateName(pAction->pMod), pAction->f_prevcount, - repeatinterval[pAction->f_repeatcount]); - actionWriteToAction(pAction); - BACKOFF(pAction); - } - d_pthread_mutex_unlock(&pAction->mutAction); - - ENDfunc - return RS_RET_OK; /* we ignore errors, we can not do anything either way */ -} - - -/* This method flushes repeat messages. - */ -static void -doFlushRptdMsgs(void) -{ - ruleset.IterateAllActions(runConf, flushRptdMsgsActions, NULL); -} - - static void debug_switch() { time_t tTime; @@ -774,8 +719,11 @@ static void debug_switch() * a minimal delay, but it is much cleaner than the approach of doing everything * inside the signal handler. * rgerhards, 2005-10-26 - * Note: we do not call DBGPRINTF() as this may cause us to block in case something - * with the threading is wrong. + * Note: + * - we do not call DBGPRINTF() as this may cause us to block in case something + * with the threading is wrong. + * - we do not really care about the return state of write(), but we need this + * strange check we do to silence compiler warnings (thanks, Ubuntu!) */ static void doDie(int sig) { @@ -783,11 +731,13 @@ static void doDie(int sig) # define MSG2 "DoDie called 5 times - unconditional exit\n" static int iRetries = 0; /* debug aid */ dbgprintf(MSG1); - if(Debug == DEBUG_FULL) - write(1, MSG1, sizeof(MSG1) - 1); + if(Debug == DEBUG_FULL) { + if(write(1, MSG1, sizeof(MSG1) - 1)) {} + } if(iRetries++ == 4) { - if(Debug == DEBUG_FULL) - write(1, MSG2, sizeof(MSG2) - 1); + if(Debug == DEBUG_FULL) { + if(write(1, MSG2, sizeof(MSG2) - 1)) {} + } abort(); } bFinished = sig; @@ -843,7 +793,7 @@ die(int sig) (void) snprintf(buf, sizeof(buf) / sizeof(char), " [origin software=\"rsyslogd\" " "swVersion=\"" VERSION \ "\" x-pid=\"%d\" x-info=\"http://www.rsyslog.com\"]" " exiting on signal %d.", - (int) myPid, sig); + (int) glblGetOurPid(), sig); errno = 0; logmsgInternal(NO_ERRCODE, LOG_SYSLOG|LOG_INFO, (uchar*)buf, 0); } @@ -1106,7 +1056,7 @@ finalize_it: * the time being (remember that we want to restructure config processing at large!). * rgerhards, 2009-10-27 */ -rsRetVal createMainQueue(qqueue_t **ppQueue, uchar *pszQueueName) +rsRetVal createMainQueue(qqueue_t **ppQueue, uchar *pszQueueName, struct cnfparamvals *queueParams) { struct queuefilenames_s *qfn; uchar *qfname = NULL; @@ -1122,60 +1072,65 @@ rsRetVal createMainQueue(qqueue_t **ppQueue, uchar *pszQueueName) /* name our main queue object (it's not fatal if it fails...) */ obj.SetName((obj_t*) (*ppQueue), pszQueueName); - /* ... set some properties ... */ -# define setQPROP(func, directive, data) \ - CHKiRet_Hdlr(func(*ppQueue, data)) { \ - errmsg.LogError(0, NO_ERRCODE, "Invalid " #directive ", error %d. Ignored, running with default setting", iRet); \ - } -# define setQPROPstr(func, directive, data) \ - CHKiRet_Hdlr(func(*ppQueue, data, (data == NULL)? 0 : strlen((char*) data))) { \ - errmsg.LogError(0, NO_ERRCODE, "Invalid " #directive ", error %d. Ignored, running with default setting", iRet); \ - } + if(queueParams == NULL) { /* use legacy parameters? */ + /* ... set some properties ... */ + # define setQPROP(func, directive, data) \ + CHKiRet_Hdlr(func(*ppQueue, data)) { \ + errmsg.LogError(0, NO_ERRCODE, "Invalid " #directive ", error %d. Ignored, running with default setting", iRet); \ + } + # define setQPROPstr(func, directive, data) \ + CHKiRet_Hdlr(func(*ppQueue, data, (data == NULL)? 0 : strlen((char*) data))) { \ + errmsg.LogError(0, NO_ERRCODE, "Invalid " #directive ", error %d. Ignored, running with default setting", iRet); \ + } - if(ourConf->globals.mainQ.pszMainMsgQFName != NULL) { - /* check if the queue file name is unique, else emit an error */ - for(qfn = queuefilenames ; qfn != NULL ; qfn = qfn->next) { - dbgprintf("check queue file name '%s' vs '%s'\n", qfn->name, ourConf->globals.mainQ.pszMainMsgQFName ); - if(!ustrcmp(qfn->name, ourConf->globals.mainQ.pszMainMsgQFName)) { - snprintf((char*)qfrenamebuf, sizeof(qfrenamebuf), "%d-%s-%s", - ++qfn_renamenum, ourConf->globals.mainQ.pszMainMsgQFName, - (pszQueueName == NULL) ? "NONAME" : (char*)pszQueueName); - qfname = ustrdup(qfrenamebuf); - errmsg.LogError(0, NO_ERRCODE, "Error: queue file name '%s' already in use " - " - using '%s' instead", ourConf->globals.mainQ.pszMainMsgQFName, qfname); - break; + if(ourConf->globals.mainQ.pszMainMsgQFName != NULL) { + /* check if the queue file name is unique, else emit an error */ + for(qfn = queuefilenames ; qfn != NULL ; qfn = qfn->next) { + dbgprintf("check queue file name '%s' vs '%s'\n", qfn->name, ourConf->globals.mainQ.pszMainMsgQFName ); + if(!ustrcmp(qfn->name, ourConf->globals.mainQ.pszMainMsgQFName)) { + snprintf((char*)qfrenamebuf, sizeof(qfrenamebuf), "%d-%s-%s", + ++qfn_renamenum, ourConf->globals.mainQ.pszMainMsgQFName, + (pszQueueName == NULL) ? "NONAME" : (char*)pszQueueName); + qfname = ustrdup(qfrenamebuf); + errmsg.LogError(0, NO_ERRCODE, "Error: queue file name '%s' already in use " + " - using '%s' instead", ourConf->globals.mainQ.pszMainMsgQFName, qfname); + break; + } } + if(qfname == NULL) + qfname = ustrdup(ourConf->globals.mainQ.pszMainMsgQFName); + qfn = malloc(sizeof(struct queuefilenames_s)); + qfn->name = qfname; + qfn->next = queuefilenames; + queuefilenames = qfn; } - if(qfname == NULL) - qfname = ustrdup(ourConf->globals.mainQ.pszMainMsgQFName); - qfn = malloc(sizeof(struct queuefilenames_s)); - qfn->name = qfname; - qfn->next = queuefilenames; - queuefilenames = qfn; - } - setQPROP(qqueueSetMaxFileSize, "$MainMsgQueueFileSize", ourConf->globals.mainQ.iMainMsgQueMaxFileSize); - setQPROP(qqueueSetsizeOnDiskMax, "$MainMsgQueueMaxDiskSpace", ourConf->globals.mainQ.iMainMsgQueMaxDiskSpace); - setQPROP(qqueueSetiDeqBatchSize, "$MainMsgQueueDequeueBatchSize", ourConf->globals.mainQ.iMainMsgQueDeqBatchSize); - setQPROPstr(qqueueSetFilePrefix, "$MainMsgQueueFileName", qfname); - setQPROP(qqueueSetiPersistUpdCnt, "$MainMsgQueueCheckpointInterval", ourConf->globals.mainQ.iMainMsgQPersistUpdCnt); - setQPROP(qqueueSetbSyncQueueFiles, "$MainMsgQueueSyncQueueFiles", ourConf->globals.mainQ.bMainMsgQSyncQeueFiles); - setQPROP(qqueueSettoQShutdown, "$MainMsgQueueTimeoutShutdown", ourConf->globals.mainQ.iMainMsgQtoQShutdown ); - setQPROP(qqueueSettoActShutdown, "$MainMsgQueueTimeoutActionCompletion", ourConf->globals.mainQ.iMainMsgQtoActShutdown); - setQPROP(qqueueSettoWrkShutdown, "$MainMsgQueueWorkerTimeoutThreadShutdown", ourConf->globals.mainQ.iMainMsgQtoWrkShutdown); - setQPROP(qqueueSettoEnq, "$MainMsgQueueTimeoutEnqueue", ourConf->globals.mainQ.iMainMsgQtoEnq); - setQPROP(qqueueSetiHighWtrMrk, "$MainMsgQueueHighWaterMark", ourConf->globals.mainQ.iMainMsgQHighWtrMark); - setQPROP(qqueueSetiLowWtrMrk, "$MainMsgQueueLowWaterMark", ourConf->globals.mainQ.iMainMsgQLowWtrMark); - setQPROP(qqueueSetiDiscardMrk, "$MainMsgQueueDiscardMark", ourConf->globals.mainQ.iMainMsgQDiscardMark); - setQPROP(qqueueSetiDiscardSeverity, "$MainMsgQueueDiscardSeverity", ourConf->globals.mainQ.iMainMsgQDiscardSeverity); - setQPROP(qqueueSetiMinMsgsPerWrkr, "$MainMsgQueueWorkerThreadMinimumMessages", ourConf->globals.mainQ.iMainMsgQWrkMinMsgs); - setQPROP(qqueueSetbSaveOnShutdown, "$MainMsgQueueSaveOnShutdown", ourConf->globals.mainQ.bMainMsgQSaveOnShutdown); - setQPROP(qqueueSetiDeqSlowdown, "$MainMsgQueueDequeueSlowdown", ourConf->globals.mainQ.iMainMsgQDeqSlowdown); - setQPROP(qqueueSetiDeqtWinFromHr, "$MainMsgQueueDequeueTimeBegin", ourConf->globals.mainQ.iMainMsgQueueDeqtWinFromHr); - setQPROP(qqueueSetiDeqtWinToHr, "$MainMsgQueueDequeueTimeEnd", ourConf->globals.mainQ.iMainMsgQueueDeqtWinToHr); - -# undef setQPROP -# undef setQPROPstr + setQPROP(qqueueSetMaxFileSize, "$MainMsgQueueFileSize", ourConf->globals.mainQ.iMainMsgQueMaxFileSize); + setQPROP(qqueueSetsizeOnDiskMax, "$MainMsgQueueMaxDiskSpace", ourConf->globals.mainQ.iMainMsgQueMaxDiskSpace); + setQPROP(qqueueSetiDeqBatchSize, "$MainMsgQueueDequeueBatchSize", ourConf->globals.mainQ.iMainMsgQueDeqBatchSize); + setQPROPstr(qqueueSetFilePrefix, "$MainMsgQueueFileName", qfname); + setQPROP(qqueueSetiPersistUpdCnt, "$MainMsgQueueCheckpointInterval", ourConf->globals.mainQ.iMainMsgQPersistUpdCnt); + setQPROP(qqueueSetbSyncQueueFiles, "$MainMsgQueueSyncQueueFiles", ourConf->globals.mainQ.bMainMsgQSyncQeueFiles); + setQPROP(qqueueSettoQShutdown, "$MainMsgQueueTimeoutShutdown", ourConf->globals.mainQ.iMainMsgQtoQShutdown ); + setQPROP(qqueueSettoActShutdown, "$MainMsgQueueTimeoutActionCompletion", ourConf->globals.mainQ.iMainMsgQtoActShutdown); + setQPROP(qqueueSettoWrkShutdown, "$MainMsgQueueWorkerTimeoutThreadShutdown", ourConf->globals.mainQ.iMainMsgQtoWrkShutdown); + setQPROP(qqueueSettoEnq, "$MainMsgQueueTimeoutEnqueue", ourConf->globals.mainQ.iMainMsgQtoEnq); + setQPROP(qqueueSetiHighWtrMrk, "$MainMsgQueueHighWaterMark", ourConf->globals.mainQ.iMainMsgQHighWtrMark); + setQPROP(qqueueSetiLowWtrMrk, "$MainMsgQueueLowWaterMark", ourConf->globals.mainQ.iMainMsgQLowWtrMark); + setQPROP(qqueueSetiDiscardMrk, "$MainMsgQueueDiscardMark", ourConf->globals.mainQ.iMainMsgQDiscardMark); + setQPROP(qqueueSetiDiscardSeverity, "$MainMsgQueueDiscardSeverity", ourConf->globals.mainQ.iMainMsgQDiscardSeverity); + setQPROP(qqueueSetiMinMsgsPerWrkr, "$MainMsgQueueWorkerThreadMinimumMessages", ourConf->globals.mainQ.iMainMsgQWrkMinMsgs); + setQPROP(qqueueSetbSaveOnShutdown, "$MainMsgQueueSaveOnShutdown", ourConf->globals.mainQ.bMainMsgQSaveOnShutdown); + setQPROP(qqueueSetiDeqSlowdown, "$MainMsgQueueDequeueSlowdown", ourConf->globals.mainQ.iMainMsgQDeqSlowdown); + setQPROP(qqueueSetiDeqtWinFromHr, "$MainMsgQueueDequeueTimeBegin", ourConf->globals.mainQ.iMainMsgQueueDeqtWinFromHr); + setQPROP(qqueueSetiDeqtWinToHr, "$MainMsgQueueDequeueTimeEnd", ourConf->globals.mainQ.iMainMsgQueueDeqtWinToHr); + + # undef setQPROP + # undef setQPROPstr + } else { /* use new style config! */ + qqueueSetDefaultsRulesetQueue(*ppQueue); + qqueueApplyCnfParam(*ppQueue, queueParams); + } /* ... and finally start the queue! */ CHKiRet_Hdlr(qqueueStart(*ppQueue)) { @@ -1212,7 +1167,7 @@ init(void) snprintf(bufStartUpMsg, sizeof(bufStartUpMsg)/sizeof(char), " [origin software=\"rsyslogd\" " "swVersion=\"" VERSION \ "\" x-pid=\"%d\" x-info=\"http://www.rsyslog.com\"] start", - (int) myPid); + (int) glblGetOurPid()); logmsgInternal(NO_ERRCODE, LOG_SYSLOG|LOG_INFO, (uchar*)bufStartUpMsg, 0); } @@ -1254,7 +1209,7 @@ static inline void processImInternal(void) msg_t *pMsg; while(iminternalRemoveMsg(&pMsg) == RS_RET_OK) { - submitMsg(pMsg); + submitMsgWithDfltRatelimiter(pMsg); } } @@ -1291,7 +1246,7 @@ doHUP(void) snprintf(buf, sizeof(buf) / sizeof(char), " [origin software=\"rsyslogd\" " "swVersion=\"" VERSION "\" x-pid=\"%d\" x-info=\"http://www.rsyslog.com\"] rsyslogd was HUPed", - (int) myPid); + (int) glblGetOurPid()); errno = 0; logmsgInternal(NO_ERRCODE, LOG_SYSLOG|LOG_INFO, (uchar*)buf, 0); } @@ -1321,49 +1276,22 @@ mainloop(void) while(!bFinished){ /* this is now just a wait - please note that we do use a near-"eternal" - * timeout of 1 day if we do not have repeated message reduction turned on - * (which it is not by default). This enables us to help safe the environment + * timeout of 1 day. This enables us to help safe the environment * by not unnecessarily awaking rsyslog on a regular tick (just think * powertop, for example). In that case, we primarily wait for a signal, * but a once-a-day wakeup should be quite acceptable. -- rgerhards, 2008-06-09 */ - tvSelectTimeout.tv_sec = (runConf->globals.bReduceRepeatMsgs == 1) ? TIMERINTVL : 86400 /*1 day*/; - //tvSelectTimeout.tv_sec = TIMERINTVL; /* TODO: change this back to the above code when we have a better solution for apc */ + tvSelectTimeout.tv_sec = 86400 /*1 day*/; tvSelectTimeout.tv_usec = 0; select(1, NULL, NULL, NULL, &tvSelectTimeout); if(bFinished) - break; /* exit as quickly as possible - see long comment below */ - - /* If we received a HUP signal, we call doFlushRptdMsgs() a bit early. This - * doesn't matter, because doFlushRptdMsgs() checks timestamps. What may happen, - * however, is that the too-early call may lead to a bit too-late output - * of "last message repeated n times" messages. But that is quite acceptable. - * rgerhards, 2007-12-21 - * ... and just to explain, we flush here because that is exactly what the mainloop - * shall do - provide a periodic interval in which not-yet-flushed messages will - * be flushed. Be careful, there is a potential race condition: doFlushRptdMsgs() - * needs to aquire a lock on the action objects. If, however, long-running consumers - * cause the main queue worker threads to lock them for a long time, we may receive - * a starvation condition, resulting in the mainloop being held on lock for an extended - * period of time. That, in turn, could lead to unresponsiveness to termination - * requests. It is especially important that the bFinished flag is checked before - * doFlushRptdMsgs() is called (I know because I ran into that situation). I am - * not yet sure if the remaining probability window of a termination-related - * problem is large enough to justify changing the code - I would consider it - * extremely unlikely that the problem ever occurs in practice. Fixing it would - * require not only a lot of effort but would cost considerable performance. So - * for the time being, I think the remaining risk can be accepted. - * rgerhards, 2008-01-10 - */ - if(runConf->globals.bReduceRepeatMsgs == 1) - doFlushRptdMsgs(); + break; /* exit as quickly as possible */ if(bHadHUP) { doHUP(); bHadHUP = 0; continue; } - // TODO: remove execScheduled(); /* handle Apc calls (if any) */ } ENDfunc } @@ -1409,6 +1337,11 @@ static void printVersion(void) #else printf("\tRuntime Instrumentation (slow code):\tNo\n"); #endif +#ifdef USE_LIBUUID + printf("\tuuid support:\t\t\t\tYes\n"); +#else + printf("\tuuid support:\t\t\t\tNo\n"); +#endif printf("\nSee http://www.rsyslog.com for more information.\n"); } @@ -1437,8 +1370,6 @@ InitGlobalClasses(void) CHKiRet(objUse(module, CORE_COMPONENT)); pErrObj = "datetime"; CHKiRet(objUse(datetime, CORE_COMPONENT)); - pErrObj = "rule"; - CHKiRet(objUse(rule, CORE_COMPONENT)); pErrObj = "ruleset"; CHKiRet(objUse(ruleset, CORE_COMPONENT)); pErrObj = "conf"; @@ -1461,6 +1392,7 @@ InitGlobalClasses(void) CHKiRet(objUse(net, LM_NET_FILENAME)); dnscacheInit(); initRainerscript(); + ratelimitModInit(); finalize_it: if(iRet != RS_RET_OK) { @@ -1492,7 +1424,6 @@ GlobalClassExit(void) objRelease(prop, CORE_COMPONENT); objRelease(conf, CORE_COMPONENT); objRelease(ruleset, CORE_COMPONENT); - objRelease(rule, CORE_COMPONENT); parserClassExit(); /* this is hack, currently core_modules do not get this automatically called */ rsconfClassExit(); /* this is hack, currently core_modules do not get this automatically called */ objRelease(datetime, CORE_COMPONENT); @@ -1500,6 +1431,7 @@ GlobalClassExit(void) /* TODO: implement the rest of the deinit */ /* dummy "classes */ strExit(); + ratelimitModExit(); #if 0 CHKiRet(objGetObjInterface(&obj)); /* this provides the root pointer for all other queries */ @@ -1595,6 +1527,13 @@ queryLocalHostname(void) */ glbl.SetLocalHostName(LocalHostName); glbl.SetLocalDomain(LocalDomain); + + if ( strlen((char*)LocalDomain) ) { + CHKmalloc(LocalFQDNName = (uchar*)malloc(strlen((char*)LocalDomain)+strlen((char*)LocalHostName)+2));/* one for dot, one for NUL! */ + if ( sprintf((char*)LocalFQDNName,"%s.%s",(char*)LocalHostName,(char*)LocalDomain) ) + glbl.SetLocalFQDNName(LocalFQDNName); + } + glbl.GenerateLocalHostNameProperty(); /* must be redone after conf processing, FQDN setting may have changed */ finalize_it: RETiRet; @@ -1681,8 +1620,7 @@ doGlblProcessInit(void) thrdInit(); - if( !(Debug == DEBUG_FULL || NoFork) ) - { + if(doFork) { DBGPRINTF("Checking pidfile '%s'.\n", PidFile); if (!check_pid(PidFile)) { @@ -1694,16 +1632,23 @@ doGlblProcessInit(void) /* stop writing debug messages to stdout (if debugging is on) */ stddbg = -1; + dbgprintf("ready for forking\n"); if (fork()) { /* Parent process */ - sleep(300); - /* Not reached unless something major went wrong. 5 - * minutes should be a fair amount of time to wait. - * Please note that this procedure is important since - * the father must not exit before syslogd isn't - * initialized or the klogd won't be able to flush its - * logs. -Joey + dbgprintf("parent process going to sleep for 60 secs\n"); + sleep(60); + /* Not reached unless something major went wrong. 1 + * minute should be a fair amount of time to wait. + * The parent should not exit before rsyslogd is + * properly initilized (at least almost) or the init + * system may get a wrong impression of our readyness. + * Note that we exit before being completely initialized, + * but at this point it is very, very unlikely that something + * bad can happen. We do this here, because otherwise we would + * need to have much more code to handle priv drop (which we + * don't consider worth for the init system, especially as it + * is going away on the majority of distros). */ exit(1); /* "good" exit - after forking, not diasabling anything */ } @@ -1712,6 +1657,7 @@ doGlblProcessInit(void) close(0); /* we keep stdout and stderr open in case we have to emit something */ i = 3; + dbgprintf("in child, finalizing initialization\n"); /* if (sd_booted()) */ { const char *e; @@ -1745,7 +1691,8 @@ doGlblProcessInit(void) i = SD_LISTEN_FDS_START + sd_fds; } for ( ; i < num_fds; i++) - (void) close(i); + if(i != dbgGetDbglogFd()) + close(i); untty(); } else { @@ -1770,7 +1717,7 @@ doGlblProcessInit(void) fputs("Pidfile (and pid) already exist.\n", stderr); exit(1); /* exit during startup - questionable */ } - myPid = getpid(); /* save our pid for further testing (also used for messages) */ + glblSetOurPid(getpid()); memset(&sigAct, 0, sizeof (sigAct)); sigemptyset(&sigAct.sa_mask); @@ -1825,7 +1772,7 @@ int realMain(int argc, char **argv) * of other options, we do this during the inital option processing. * rgerhards, 2008-04-04 */ - while((ch = getopt(argc, argv, "46a:Ac:def:g:hi:l:m:M:nN:op:qQr::s:t:T:u:vwx")) != EOF) { + while((ch = getopt(argc, argv, "46a:Ac:dDef:g:hi:l:m:M:nN:op:qQr::s:t:T:u:vwx")) != EOF) { switch((char)ch) { case '4': case '6': @@ -1853,11 +1800,15 @@ int realMain(int argc, char **argv) CHKiRet(bufOptAdd(ch, optarg)); break; case 'c': /* compatibility mode */ - fprintf(stderr, "rsyslogd: error: option -c is no longer supported - ignored"); + fprintf(stderr, "rsyslogd: error: option -c is no longer supported - ignored\n"); break; case 'd': /* debug - must be handled now, so that debug is active during init! */ debugging_on = 1; Debug = 1; + yydebug = 1; + break; + case 'D': /* BISON debug */ + yydebug = 1; break; case 'e': /* log every message (no repeat message supression) */ bEOptionWasGiven = 1; @@ -1952,7 +1903,7 @@ int realMain(int argc, char **argv) fprintf(stderr, "rsyslogd: error -m is no longer supported - use immark instead"); break; case 'n': /* don't fork */ - NoFork = 1; + doFork = 0; break; case 'N': /* enable config verify mode */ iConfigVerify = atoi(arg); @@ -2034,6 +1985,12 @@ int realMain(int argc, char **argv) } CHKiRet(localRet); + CHKiRet(ratelimitNew(&dflt_ratelimiter, "rsyslogd", "dflt")); + /* TODO: add linux-type limiting capability */ + CHKiRet(ratelimitNew(&internalMsg_ratelimiter, "rsyslogd", "internal_messages")); + ratelimitSetLinuxLike(internalMsg_ratelimiter, 5, 500); + /* TODO: make internalMsg ratelimit settings configurable */ + if(bChDirRoot) { if(chdir("/") != 0) fprintf(stderr, "Can not do 'cd /' - still trying to run\n"); @@ -2050,17 +2007,16 @@ int realMain(int argc, char **argv) if(!iConfigVerify) CHKiRet(doGlblProcessInit()); + /* Send a signal to the parent so it can terminate. */ + if(glblGetOurPid() != ppid) + kill(ppid, SIGTERM); + CHKiRet(init()); if(Debug && debugging_on) { dbgprintf("Debugging enabled, SIGUSR1 to turn off debugging.\n"); } - /* Send a signal to the parent so it can terminate. */ - if(myPid != ppid) - kill(ppid, SIGTERM); - - /* END OF INTIALIZATION */ DBGPRINTF("initialization completed, transitioning to regular run mode\n"); @@ -2071,12 +2027,14 @@ int realMain(int argc, char **argv) * is still in its infancy (and not really done), we currently accept this issue. * rgerhards, 2009-06-29 */ - if(!(Debug == DEBUG_FULL || NoFork)) { + if(doFork) { close(1); close(2); ourConf->globals.bErrMsgToStderr = 0; } + sd_notify(0, "READY=1"); + mainloop(); /* do any de-init's that need to be done AFTER this comment */ |