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authorMichael Biebl <biebl@debian.org>2012-05-04 00:57:24 +0200
committerMichael Biebl <biebl@debian.org>2012-05-04 00:57:24 +0200
commite1ab13c77be9fbe3e2e5dfe3357fcd9f991b71b5 (patch)
treea7f3807198f5b1c7007bb754f3aabcd650eaa35a /runtime
parent09756e0e7c8b90e7f8621c37fe480c7683c8a8cb (diff)
downloadrsyslog-e1ab13c77be9fbe3e2e5dfe3357fcd9f991b71b5.tar.gz
Imported Upstream version 5.8.11upstream/5.8.11
Diffstat (limited to 'runtime')
-rw-r--r--runtime/glbl.c108
-rw-r--r--runtime/msg.c24
-rw-r--r--runtime/queue.c54
-rw-r--r--runtime/ruleset.c10
-rw-r--r--runtime/ruleset.h15
5 files changed, 152 insertions, 59 deletions
diff --git a/runtime/glbl.c b/runtime/glbl.c
index dea5a17..38e1f95 100644
--- a/runtime/glbl.c
+++ b/runtime/glbl.c
@@ -69,10 +69,10 @@ static int bDropMalPTRMsgs = 0;/* Drop messages which have malicious PTR records
static int option_DisallowWarning = 1; /* complain if message from disallowed sender is received */
static int bDisableDNS = 0; /* don't look up IP addresses of remote messages */
static prop_t *propLocalHostName = NULL;/* our hostname as FQDN - read-only after startup */
-static uchar *LocalHostName = NULL;/* our hostname - read-only after startup */
+static uchar *LocalHostName = NULL;/* our hostname - read-only after startup, except HUP */
static uchar *LocalHostNameOverride = NULL;/* user-overridden hostname - read-only after startup */
-static uchar *LocalFQDNName = NULL;/* our hostname as FQDN - read-only after startup */
-static uchar *LocalDomain; /* our local domain name - read-only after startup */
+static uchar *LocalFQDNName = NULL;/* our hostname as FQDN - read-only after startup, except HUP */
+static uchar *LocalDomain = NULL;/* our local domain name - read-only after startup, except HUP */
static char **StripDomains = NULL;/* these domains may be stripped before writing logs - r/o after s.u., never touched by init */
static char **LocalHosts = NULL;/* these hosts are logged with their hostname - read-only after startup, never touched by init */
static uchar *pszDfltNetstrmDrvr = NULL; /* module name of default netstream driver */
@@ -115,15 +115,12 @@ SIMP_PROP(DefPFFamily, iDefPFFamily, int) /* note that in the future we may chec
SIMP_PROP(DropMalPTRMsgs, bDropMalPTRMsgs, int)
SIMP_PROP(Option_DisallowWarning, option_DisallowWarning, int)
SIMP_PROP(DisableDNS, bDisableDNS, int)
-SIMP_PROP(LocalDomain, LocalDomain, uchar*)
SIMP_PROP(StripDomains, StripDomains, char**)
SIMP_PROP(LocalHosts, LocalHosts, char**)
#ifdef USE_UNLIMITED_SELECT
SIMP_PROP(FdSetSize, iFdSetSize, int)
#endif
-SIMP_PROP_SET(LocalFQDNName, LocalFQDNName, uchar*)
-SIMP_PROP_SET(LocalHostName, LocalHostName, uchar*)
SIMP_PROP_SET(DfltNetstrmDrvr, pszDfltNetstrmDrvr, uchar*) /* TODO: use custom function which frees existing value */
SIMP_PROP_SET(DfltNetstrmDrvrCAF, pszDfltNetstrmDrvrCAF, uchar*) /* TODO: use custom function which frees existing value */
SIMP_PROP_SET(DfltNetstrmDrvrKeyFile, pszDfltNetstrmDrvrKeyFile, uchar*) /* TODO: use custom function which frees existing value */
@@ -202,6 +199,19 @@ finalize_it:
RETiRet;
}
+/* set our local hostname. Free previous hostname, if it was already set.
+ * Note that we do now do this in a thread
+ * "once in a lifetime" action which can not be undone. -- gerhards, 2009-07-20
+ */
+static rsRetVal
+SetLocalHostName(uchar *newname)
+{
+ free(LocalHostName);
+ LocalHostName = newname;
+ return RS_RET_OK;
+}
+
+
/* return our local hostname. if it is not set, "[localhost]" is returned
*/
static uchar*
@@ -227,6 +237,26 @@ done:
}
+/* set our local domain name. Free previous domain, if it was already set.
+ */
+static rsRetVal
+SetLocalDomain(uchar *newname)
+{
+ free(LocalDomain);
+ LocalDomain = newname;
+ return RS_RET_OK;
+}
+
+
+/* return our local hostname. if it is not set, "[localhost]" is returned
+ */
+static uchar*
+GetLocalDomain(void)
+{
+ return LocalDomain;
+}
+
+
/* generate the local hostname property. This must be done after the hostname info
* has been set as well as PreserveFQDN.
* rgerhards, 2009-06-30
@@ -271,6 +301,14 @@ GetLocalHostNameProp(void)
}
+static rsRetVal
+SetLocalFQDNName(uchar *newname)
+{
+ free(LocalFQDNName);
+ LocalFQDNName = newname;
+ return RS_RET_OK;
+}
+
/* return the current localhost name as FQDN (requires FQDN to be set)
* TODO: we should set the FQDN ourselfs in here!
*/
@@ -373,30 +411,18 @@ ENDobjQueryInterface(glbl)
*/
static rsRetVal resetConfigVariables(uchar __attribute__((unused)) *pp, void __attribute__((unused)) *pVal)
{
- if(pszDfltNetstrmDrvr != NULL) {
- free(pszDfltNetstrmDrvr);
- pszDfltNetstrmDrvr = NULL;
- }
- if(pszDfltNetstrmDrvrCAF != NULL) {
- free(pszDfltNetstrmDrvrCAF);
- pszDfltNetstrmDrvrCAF = NULL;
- }
- if(pszDfltNetstrmDrvrKeyFile != NULL) {
- free(pszDfltNetstrmDrvrKeyFile);
- pszDfltNetstrmDrvrKeyFile = NULL;
- }
- if(pszDfltNetstrmDrvrCertFile != NULL) {
- free(pszDfltNetstrmDrvrCertFile);
- pszDfltNetstrmDrvrCertFile = NULL;
- }
- if(LocalHostNameOverride != NULL) {
- free(LocalHostNameOverride);
- LocalHostNameOverride = NULL;
- }
- if(pszWorkDir != NULL) {
- free(pszWorkDir);
- pszWorkDir = NULL;
- }
+ free(pszDfltNetstrmDrvr);
+ pszDfltNetstrmDrvr = NULL;
+ free(pszDfltNetstrmDrvrCAF);
+ pszDfltNetstrmDrvrCAF = NULL;
+ free(pszDfltNetstrmDrvrKeyFile);
+ pszDfltNetstrmDrvrKeyFile = NULL;
+ free(pszDfltNetstrmDrvrCertFile);
+ pszDfltNetstrmDrvrCertFile = NULL;
+ free(LocalHostNameOverride);
+ LocalHostNameOverride = NULL;
+ free(pszWorkDir);
+ pszWorkDir = NULL;
bDropMalPTRMsgs = 0;
bOptimizeUniProc = 1;
bPreserveFQDN = 0;
@@ -437,21 +463,15 @@ ENDObjClassInit(glbl)
* rgerhards, 2008-04-17
*/
BEGINObjClassExit(glbl, OBJ_IS_CORE_MODULE) /* class, version */
- if(pszDfltNetstrmDrvr != NULL)
- free(pszDfltNetstrmDrvr);
- if(pszDfltNetstrmDrvrCAF != NULL)
- free(pszDfltNetstrmDrvrCAF);
- if(pszDfltNetstrmDrvrKeyFile != NULL)
- free(pszDfltNetstrmDrvrKeyFile);
- if(pszDfltNetstrmDrvrCertFile != NULL)
- free(pszDfltNetstrmDrvrCertFile);
- if(pszWorkDir != NULL)
- free(pszWorkDir);
- if(LocalHostName != NULL)
- free(LocalHostName);
+ free(pszDfltNetstrmDrvr);
+ free(pszDfltNetstrmDrvrCAF);
+ free(pszDfltNetstrmDrvrKeyFile);
+ free(pszDfltNetstrmDrvrCertFile);
+ free(pszWorkDir);
+ free(LocalDomain);
+ free(LocalHostName);
free(LocalHostNameOverride);
- if(LocalFQDNName != NULL)
- free(LocalFQDNName);
+ free(LocalFQDNName);
objRelease(prop, CORE_COMPONENT);
DESTROY_ATOMIC_HELPER_MUT(mutTerminateInputs);
ENDObjClassExit(glbl)
diff --git a/runtime/msg.c b/runtime/msg.c
index 31863b2..7b94228 100644
--- a/runtime/msg.c
+++ b/runtime/msg.c
@@ -1057,6 +1057,12 @@ static rsRetVal MsgSerialize(msg_t *pThis, strm_t *pStrm)
objSerializePTR(pStrm, pCSAPPNAME, CSTR);
objSerializePTR(pStrm, pCSPROCID, CSTR);
objSerializePTR(pStrm, pCSMSGID, CSTR);
+
+ if(pThis->pRuleset != NULL) {
+ rulesetGetName(pThis->pRuleset);
+ CHKiRet(obj.SerializeProp(pStrm, UCHAR_CONSTANT("pszRuleset"), PROPTYPE_PSZ,
+ rulesetGetName(pThis->pRuleset)));
+ }
/* offset must be serialized after pszRawMsg, because we need that to obtain the correct
* MSG size.
@@ -1663,6 +1669,16 @@ void MsgSetRuleset(msg_t *pMsg, ruleset_t *pRuleset)
}
+/* rgerhards 2012-04-18: set associated ruleset (by ruleset name)
+ * If ruleset cannot be found, no update is done.
+ */
+static void
+MsgSetRulesetByName(msg_t *pMsg, cstr_t *rulesetName)
+{
+ rulesetGetRuleset(&(pMsg->pRuleset), rsCStrGetSzStrNoNULL(rulesetName));
+}
+
+
/* set TAG in msg object
* (rewritten 2009-06-18 rgerhards)
*/
@@ -1671,8 +1687,6 @@ void MsgSetTAG(msg_t *pMsg, uchar* pszBuf, size_t lenBuf)
uchar *pBuf;
assert(pMsg != NULL);
-dbgprintf("MsgSetTAG in: len %d, pszBuf: %s\n", lenBuf, pszBuf);
-
freeTAG(pMsg);
pMsg->iLenTAG = lenBuf;
@@ -1692,7 +1706,6 @@ dbgprintf("MsgSetTAG in: len %d, pszBuf: %s\n", lenBuf, pszBuf);
memcpy(pBuf, pszBuf, pMsg->iLenTAG);
pBuf[pMsg->iLenTAG] = '\0'; /* this also works with truncation! */
-dbgprintf("MsgSetTAG exit: pMsg->iLenTAG %d, pMsg->TAG.szBuf: %s\n", pMsg->iLenTAG, pMsg->TAG.szBuf);
}
@@ -3200,8 +3213,13 @@ rsRetVal MsgSetProperty(msg_t *pThis, var_t *pProp)
memcpy(&pThis->tRcvdAt, &pProp->val.vSyslogTime, sizeof(struct syslogTime));
} else if(isProp("tTIMESTAMP")) {
memcpy(&pThis->tTIMESTAMP, &pProp->val.vSyslogTime, sizeof(struct syslogTime));
+ } else if(isProp("pszRuleset")) {
+ MsgSetRulesetByName(pThis, pProp->val.pStr);
} else if(isProp("pszMSG")) {
dbgprintf("no longer supported property pszMSG silently ignored\n");
+ } else {
+ dbgprintf("unknown supported property '%s' silently ignored\n",
+ rsCStrGetSzStrNoNULL(pProp->pcsName));
}
finalize_it:
diff --git a/runtime/queue.c b/runtime/queue.c
index 9f31852..e968806 100644
--- a/runtime/queue.c
+++ b/runtime/queue.c
@@ -1715,7 +1715,7 @@ ConsumerReg(qqueue_t *pThis, wti_t *pWti)
}
/* but now cancellation is no longer permitted */
- pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &iCancelStateSave);
+ pthread_setcancelstate(iCancelStateSave, NULL);
finalize_it:
DBGPRINTF("regular consumer finished, iret=%d, szlog %d sz phys %d\n", iRet,
@@ -1768,7 +1768,7 @@ ConsumerDA(qqueue_t *pThis, wti_t *pWti)
}
/* but now cancellation is no longer permitted */
- pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &iCancelStateSave);
+ pthread_setcancelstate(iCancelStateSave, NULL);
/* now we are done, but need to re-aquire the mutex */
d_pthread_mutex_lock(pThis->mut);
@@ -1847,7 +1847,6 @@ qqueueStart(qqueue_t *pThis) /* this is the ConstructionFinalizer */
int wrk;
uchar *qName;
size_t lenBuf;
- int iQueueSizeSave;
ASSERT(pThis != NULL);
@@ -2245,8 +2244,13 @@ static inline rsRetVal
doEnqSingleObj(qqueue_t *pThis, flowControl_t flowCtlType, void *pUsr)
{
DEFiRet;
+ int err;
struct timespec t;
+ if(glbl.GetGlobalInputTermState()) {
+ ABORT_FINALIZE(RS_RET_FORCE_TERM);
+ }
+
STATSCOUNTER_INC(pThis->ctrEnqueued, pThis->mutCtrEnqueued);
/* first check if we need to discard this message (which will cause CHKiRet() to exit)
*/
@@ -2273,15 +2277,48 @@ doEnqSingleObj(qqueue_t *pThis, flowControl_t flowCtlType, void *pUsr)
* It's a side effect, but a good one ;) -- rgerhards, 2008-03-14
*/
if(flowCtlType == eFLOWCTL_FULL_DELAY) {
+ DBGOPRINT((obj_t*) pThis, "enqueueMsg: FullDelay mark reached for full delayable message "
+ "- blocking.\n");
while(pThis->iQueueSize >= pThis->iFullDlyMrk) {
- DBGOPRINT((obj_t*) pThis, "enqueueMsg: FullDelay mark reached for full delayable message - blocking.\n");
- pthread_cond_wait(&pThis->belowFullDlyWtrMrk, pThis->mut); /* TODO error check? But what do then? */
+ /* We have a problem during shutdown if we block eternally. In that
+ * case, the the input thread cannot be terminated. So we wake up
+ * from time to time to check for termination.
+ * TODO/v6(at earliest): check if we could signal the condition during
+ * shutdown. However, this requires new queue registries and thus is
+ * far to much change for a stable version (and I am still not sure it
+ * is worth the effort, given how seldom this situation occurs and how
+ * few resources the wakeups need). -- rgerhards, 2012-05-03
+ * In any case, this was the old code (if we do the TODO):
+ * pthread_cond_wait(&pThis->belowFullDlyWtrMrk, pThis->mut);
+ */
+ timeoutComp(&t, 1000);
+ err = pthread_cond_timedwait(&pThis->belowLightDlyWtrMrk, pThis->mut, &t);
+ if(err != 0 && err != ETIMEDOUT) {
+ /* Something is really wrong now. Report to debug log and abort the
+ * wait. That keeps us running, even though we may lose messages.
+ */
+ DBGOPRINT((obj_t*) pThis, "potential program bug: pthread_cond_timedwait()"
+ "/fulldelay returned %d\n", err);
+ break;
+
+ }
+ DBGPRINTF("wti worker in full delay timed out, checking termination...\n");
+ if(glbl.GetGlobalInputTermState()) {
+ ABORT_FINALIZE(RS_RET_FORCE_TERM);
+ }
}
} else if(flowCtlType == eFLOWCTL_LIGHT_DELAY) {
if(pThis->iQueueSize >= pThis->iLightDlyMrk) {
- DBGOPRINT((obj_t*) pThis, "enqueueMsg: LightDelay mark reached for light delayable message - blocking a bit.\n");
+ DBGOPRINT((obj_t*) pThis, "enqueueMsg: LightDelay mark reached for light "
+ "delayable message - blocking a bit.\n");
timeoutComp(&t, 1000); /* 1000 millisconds = 1 second TODO: make configurable */
- pthread_cond_timedwait(&pThis->belowLightDlyWtrMrk, pThis->mut, &t); /* TODO error check? But what do then? */
+ err = pthread_cond_timedwait(&pThis->belowLightDlyWtrMrk, pThis->mut, &t);
+ if(err != 0 && err != ETIMEDOUT) {
+ /* Something is really wrong now. Report to debug log */
+ DBGOPRINT((obj_t*) pThis, "potential program bug: pthread_cond_timedwait()"
+ "/lightdelay returned %d\n", err);
+
+ }
}
}
@@ -2294,6 +2331,9 @@ doEnqSingleObj(qqueue_t *pThis, flowControl_t flowCtlType, void *pUsr)
|| (pThis->qType == QUEUETYPE_DISK && pThis->sizeOnDiskMax != 0
&& pThis->tVars.disk.sizeOnDisk > pThis->sizeOnDiskMax)) {
DBGOPRINT((obj_t*) pThis, "enqueueMsg: queue FULL - waiting to drain.\n");
+ if(glbl.GetGlobalInputTermState()) {
+ ABORT_FINALIZE(RS_RET_FORCE_TERM);
+ }
timeoutComp(&t, pThis->toEnq);
STATSCOUNTER_INC(pThis->ctrFull, pThis->mutCtrFull);
// TODO : handle enqOnly => discard!
diff --git a/runtime/ruleset.c b/runtime/ruleset.c
index 5ee2a55..8e241c8 100644
--- a/runtime/ruleset.c
+++ b/runtime/ruleset.c
@@ -315,8 +315,8 @@ GetRulesetQueue(ruleset_t *pThis)
/* Find the ruleset with the given name and return a pointer to its object.
*/
-static rsRetVal
-GetRuleset(ruleset_t **ppRuleset, uchar *pszName)
+rsRetVal
+rulesetGetRuleset(ruleset_t **ppRuleset, uchar *pszName)
{
DEFiRet;
assert(ppRuleset != NULL);
@@ -338,7 +338,7 @@ SetDefaultRuleset(uchar *pszName)
DEFiRet;
assert(pszName != NULL);
- CHKiRet(GetRuleset(&pRuleset, pszName));
+ CHKiRet(rulesetGetRuleset(&pRuleset, pszName));
pDfltRuleset = pRuleset;
dbgprintf("default rule set changed to %p: '%s'\n", pRuleset, pszName);
@@ -356,7 +356,7 @@ SetCurrRuleset(uchar *pszName)
DEFiRet;
assert(pszName != NULL);
- CHKiRet(GetRuleset(&pRuleset, pszName));
+ CHKiRet(rulesetGetRuleset(&pRuleset, pszName));
pCurrRuleset = pRuleset;
dbgprintf("current rule set changed to %p: '%s'\n", pRuleset, pszName);
@@ -591,7 +591,7 @@ CODESTARTobjQueryInterface(ruleset)
pIf->SetName = setName;
pIf->DebugPrintAll = debugPrintAll;
pIf->GetCurrent = GetCurrent;
- pIf->GetRuleset = GetRuleset;
+ pIf->GetRuleset = rulesetGetRuleset;
pIf->SetDefaultRuleset = SetDefaultRuleset;
pIf->SetCurrRuleset = SetCurrRuleset;
pIf->GetRulesetQueue = GetRulesetQueue;
diff --git a/runtime/ruleset.h b/runtime/ruleset.h
index b055a71..52e633e 100644
--- a/runtime/ruleset.h
+++ b/runtime/ruleset.h
@@ -54,6 +54,7 @@ BEGINinterface(ruleset) /* name must also be changed in ENDinterface macro! */
qqueue_t* (*GetRulesetQueue)(ruleset_t*);
/* v3, 2009-11-04 */
parserList_t* (*GetParserList)(msg_t *);
+ /* v4 */
ENDinterface(ruleset)
#define rulesetCURR_IF_VERSION 4 /* increment whenever you change the interface structure! */
@@ -61,4 +62,18 @@ ENDinterface(ruleset)
/* prototypes */
PROTOTYPEObj(ruleset);
+
+/* Get name associated to ruleset. This function cannot fail (except,
+ * of course, if previously something went really wrong). Returned
+ * pointer is read-only.
+ * rgerhards, 2012-04-18
+ */
+static inline uchar*
+rulesetGetName(ruleset_t *pRuleset)
+{
+ return pRuleset->pszName;
+}
+
+
+rsRetVal rulesetGetRuleset(ruleset_t **ppRuleset, uchar *pszName);
#endif /* #ifndef INCLUDED_RULESET_H */