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-rw-r--r--plugins/imuxsock/imuxsock.c201
1 files changed, 144 insertions, 57 deletions
diff --git a/plugins/imuxsock/imuxsock.c b/plugins/imuxsock/imuxsock.c
index fe04c8f2..e8ce92d5 100644
--- a/plugins/imuxsock/imuxsock.c
+++ b/plugins/imuxsock/imuxsock.c
@@ -6,7 +6,7 @@
*
* File begun on 2007-12-20 by RGerhards (extracted from syslogd.c)
*
- * Copyright 2007-2011 Rainer Gerhards and Adiscon GmbH.
+ * Copyright 2007-2012 Rainer Gerhards and Adiscon GmbH.
*
* This file is part of rsyslog.
*
@@ -172,8 +172,10 @@ static struct configSettings_s {
int bOmitLocalLogging;
uchar *pLogSockName;
uchar *pLogHostName; /* host name to use with this socket */
- int bUseFlowCtl; /* use flow control or not (if yes, only LIGHT is used! */
+ int bUseFlowCtl; /* use flow control or not (if yes, only LIGHT is used!) */
+ int bUseFlowCtlSysSock;
int bIgnoreTimestamp; /* ignore timestamps present in the incoming message? */
+ int bIgnoreTimestampSysSock;
int bUseSysTimeStamp; /* use timestamp from system (rather than from message) */
int bUseSysTimeStampSysSock; /* same, for system log socket */
int bWritePid; /* use credentials from recvmsg() and fixup PID in TAG */
@@ -211,14 +213,36 @@ struct modConfData_s {
int ratelimitIntervalSysSock;
int ratelimitBurstSysSock;
int ratelimitSeveritySysSock;
+ int bAnnotateSysSock;
+ sbool bIgnoreTimestamp; /* ignore timestamps present in the incoming message? */
+ sbool bUseFlowCtl; /* use flow control or not (if yes, only LIGHT is used! */
sbool bOmitLocalLogging;
sbool bWritePidSysSock;
- int bAnnotateSysSock;
sbool bUseSysTimeStamp;
+ sbool configSetViaV2Method;
};
static modConfData_t *loadModConf = NULL;/* modConf ptr to use for the current load process */
static modConfData_t *runModConf = NULL;/* modConf ptr to use for the current load process */
+/* module-global parameters */
+static struct cnfparamdescr modpdescr[] = {
+ { "syssock.use", eCmdHdlrBinary, 0 },
+ { "syssock.name", eCmdHdlrGetWord, 0 },
+ { "syssock.ignoretimestamp", eCmdHdlrBinary, 0 },
+ { "syssock.flowcontrol", eCmdHdlrBinary, 0 },
+ { "syssock.usesystimestamp", eCmdHdlrBinary, 0 },
+ { "syssock.annotate", eCmdHdlrBinary, 0 },
+ { "syssock.usepidfromsystem", eCmdHdlrBinary, 0 },
+ { "syssock.ratelimit.interval", eCmdHdlrInt, 0 },
+ { "syssock.ratelimit.burst", eCmdHdlrInt, 0 },
+ { "syssock.ratelimit.severity", eCmdHdlrInt, 0 }
+};
+static struct cnfparamblk modpblk =
+ { CNFPARAMBLK_VERSION,
+ sizeof(modpdescr)/sizeof(struct cnfparamdescr),
+ modpdescr
+ };
+
/* we do not use this, because we do not bind to a ruleset so far
* enable when this is changed: #include "im-helper.h" */ /* must be included AFTER the type definitions! */
@@ -233,6 +257,8 @@ initRatelimitState(struct rs_ratelimit_state *rs, unsigned short interval, unsig
rs->begin = 0;
}
+static int bLegacyCnfModGlobalsPermitted;/* are legacy module-global config parameters permitted? */
+
/* ratelimiting support, modelled after the linux kernel
* returns 1 if message is within rate limit and shall be
@@ -289,27 +315,6 @@ finalize_it:
}
-/* set the timestamp ignore / not ignore option for the system
- * log socket. This must be done separtely, as it is not added via a command
- * but present by default. -- rgerhards, 2008-03-06
- */
-static rsRetVal setSystemLogTimestampIgnore(void __attribute__((unused)) *pVal, int iNewVal)
-{
- DEFiRet;
- listeners[0].flags = iNewVal ? IGNDATE : NOFLAG;
- RETiRet;
-}
-
-/* set flowcontrol for the system log socket
- */
-static rsRetVal setSystemLogFlowControl(void __attribute__((unused)) *pVal, int iNewVal)
-{
- DEFiRet;
- listeners[0].flowCtl = iNewVal ? eFLOWCTL_LIGHT_DELAY : eFLOWCTL_NO_DELAY;
- RETiRet;
-}
-
-
/* This function is called when a new listen socket instace shall be added to
* the current config object via the legacy config system. It just shuffles
* all parameters to the listener in-memory instance.
@@ -388,7 +393,7 @@ addListner(instanceConf_t *inst)
if(inst->ratelimitInterval > 0) {
if((listeners[nfd].ht = create_hashtable(100, hash_from_key_fn, key_equals_fn, NULL)) == NULL) {
/* in this case, we simply turn off rate-limiting */
- dbgprintf("imuxsock: turning off rate limiting because we could not "
+ DBGPRINTF("imuxsock: turning off rate limiting because we could not "
"create hash table\n");
inst->ratelimitInterval = 0;
}
@@ -458,7 +463,7 @@ createLogSocket(lstn_t *pLstn)
if(pLstn->fd < 0 || bind(pLstn->fd, (struct sockaddr *) &sunx, SUN_LEN(&sunx)) < 0 ||
chmod((char*)pLstn->sockName, 0666) < 0) {
errmsg.LogError(errno, NO_ERRCODE, "cannot create '%s'", pLstn->sockName);
- dbgprintf("cannot create %s (%d).\n", pLstn->sockName, errno);
+ DBGPRINTF("cannot create %s (%d).\n", pLstn->sockName, errno);
if(pLstn->fd != -1)
close(pLstn->fd);
pLstn->fd = -1;
@@ -491,7 +496,7 @@ openLogSocket(lstn_t *pLstn)
/* ok, it matches -- just use as is */
pLstn->fd = fd;
- dbgprintf("imuxsock: Acquired UNIX socket '%s' (fd %d) from systemd.\n",
+ DBGPRINTF("imuxsock: Acquired UNIX socket '%s' (fd %d) from systemd.\n",
pLstn->sockName, pLstn->fd);
break;
}
@@ -563,7 +568,7 @@ findRatelimiter(lstn_t *pLstn, struct ucred *cred, rs_ratelimit_state_t **prl)
rl = hashtable_search(pLstn->ht, &cred->pid);
if(rl == NULL) {
/* we need to add a new ratelimiter, process not seen before! */
- dbgprintf("imuxsock: no ratelimiter for pid %lu, creating one\n",
+ DBGPRINTF("imuxsock: no ratelimiter for pid %lu, creating one\n",
(unsigned long) cred->pid);
STATSCOUNTER_INC(ctrNumRatelimiters, mutCtrNumRatelimiters);
CHKmalloc(rl = malloc(sizeof(rs_ratelimit_state_t)));
@@ -935,7 +940,7 @@ static rsRetVal readSocket(lstn_t *pLstn)
msgh.msg_iovlen = 1;
iRcvd = recvmsg(pLstn->fd, &msgh, MSG_DONTWAIT);
- dbgprintf("Message from UNIX socket: #%d\n", pLstn->fd);
+ DBGPRINTF("Message from UNIX socket: #%d\n", pLstn->fd);
if(iRcvd > 0) {
cred = NULL;
ts = NULL;
@@ -952,8 +957,6 @@ static rsRetVal readSocket(lstn_t *pLstn)
if( pLstn->bUseSysTimeStamp
&& cm->cmsg_level == SOL_SOCKET && cm->cmsg_type == SO_TIMESTAMP) {
ts = (struct timeval *)CMSG_DATA(cm);
- dbgprintf("XXX: got timestamp %ld.%ld\n",
- (long) ts->tv_sec, (long) ts->tv_usec);
break;
}
# endif /* HAVE_SO_TIMESTAMP */
@@ -963,7 +966,7 @@ static rsRetVal readSocket(lstn_t *pLstn)
} else if(iRcvd < 0 && errno != EINTR) {
char errStr[1024];
rs_strerror_r(errno, errStr, sizeof(errStr));
- dbgprintf("UNIX socket error: %d = %s.\n", errno, errStr);
+ DBGPRINTF("UNIX socket error: %d = %s.\n", errno, errStr);
errmsg.LogError(errno, NO_ERRCODE, "imuxsock: recvfrom UNIX");
}
@@ -1017,6 +1020,8 @@ activateListeners()
listeners[0].bWritePid = runModConf->bWritePidSysSock;
listeners[0].bAnnotate = runModConf->bAnnotateSysSock;
listeners[0].bUseSysTimeStamp = runModConf->bUseSysTimeStamp;
+ listeners[0].flags = runModConf->bIgnoreTimestamp ? IGNDATE : NOFLAG;
+ listeners[0].flowCtl = runModConf->bUseFlowCtl ? eFLOWCTL_LIGHT_DELAY : eFLOWCTL_NO_DELAY;
sd_fds = sd_listen_fds(0);
if(sd_fds < 0) {
@@ -1029,7 +1034,7 @@ activateListeners()
for (i = startIndexUxLocalSockets ; i < nfd ; i++) {
if(openLogSocket(&(listeners[i])) == RS_RET_OK) {
++actSocks;
- dbgprintf("imuxsock: Opened UNIX socket '%s' (fd %d).\n",
+ DBGPRINTF("imuxsock: Opened UNIX socket '%s' (fd %d).\n",
listeners[i].sockName, listeners[i].fd);
}
}
@@ -1049,16 +1054,87 @@ BEGINbeginCnfLoad
CODESTARTbeginCnfLoad
loadModConf = pModConf;
pModConf->pConf = pConf;
+ /* init our settings */
+ pModConf->pLogSockName = NULL;
+ pModConf->bOmitLocalLogging = 0;
+ pModConf->bIgnoreTimestamp = 1;
+ pModConf->bUseFlowCtl = 0;
+ pModConf->bUseSysTimeStamp = 1;
+ pModConf->bWritePidSysSock = 0;
+ pModConf->bAnnotateSysSock = 0;
+ pModConf->ratelimitIntervalSysSock = DFLT_ratelimitInterval;
+ pModConf->ratelimitBurstSysSock = DFLT_ratelimitBurst;
+ pModConf->ratelimitSeveritySysSock = DFLT_ratelimitSeverity;
+ bLegacyCnfModGlobalsPermitted = 1;
/* reset legacy config vars */
resetConfigVariables(NULL, NULL);
ENDbeginCnfLoad
+BEGINsetModCnf
+ struct cnfparamvals *pvals = NULL;
+ int i;
+CODESTARTsetModCnf
+ pvals = nvlstGetParams(lst, &modpblk, NULL);
+ if(pvals == NULL) {
+ errmsg.LogError(0, RS_RET_MISSING_CNFPARAMS, "error processing module "
+ "config parameters [module(...)]");
+ ABORT_FINALIZE(RS_RET_MISSING_CNFPARAMS);
+ }
+
+ if(Debug) {
+ dbgprintf("module (global) param blk for imuxsock:\n");
+ cnfparamsPrint(&modpblk, pvals);
+ }
+
+ for(i = 0 ; i < modpblk.nParams ; ++i) {
+ if(!pvals[i].bUsed)
+ continue;
+ if(!strcmp(modpblk.descr[i].name, "syssock.use")) {
+ loadModConf->bOmitLocalLogging = ((int) pvals[i].val.d.n) ? 0 : 1;
+ } else if(!strcmp(modpblk.descr[i].name, "syssock.name")) {
+ loadModConf->pLogSockName = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+ } else if(!strcmp(modpblk.descr[i].name, "syssock.ignoretimestamp")) {
+ loadModConf->bIgnoreTimestamp = (int) pvals[i].val.d.n;
+ } else if(!strcmp(modpblk.descr[i].name, "syssock.flowcontrol")) {
+ loadModConf->bUseFlowCtl = (int) pvals[i].val.d.n;
+ } else if(!strcmp(modpblk.descr[i].name, "syssock.usesystimestamp")) {
+ loadModConf->bUseSysTimeStamp = (int) pvals[i].val.d.n;
+ } else if(!strcmp(modpblk.descr[i].name, "syssock.annotate")) {
+ loadModConf->bAnnotateSysSock = (int) pvals[i].val.d.n;
+ } else if(!strcmp(modpblk.descr[i].name, "syssock.usepidfromsystem")) {
+ loadModConf->bWritePidSysSock = (int) pvals[i].val.d.n;
+ } else if(!strcmp(modpblk.descr[i].name, "syssock.ratelimit.interval")) {
+ loadModConf->ratelimitIntervalSysSock = (int) pvals[i].val.d.n;
+ } else if(!strcmp(modpblk.descr[i].name, "syssock.ratelimit.burst")) {
+ loadModConf->ratelimitBurstSysSock = (int) pvals[i].val.d.n;
+ } else if(!strcmp(modpblk.descr[i].name, "syssock.ratelimit.severity")) {
+ loadModConf->ratelimitSeveritySysSock = (int) pvals[i].val.d.n;
+ } else {
+ dbgprintf("imuxsock: program error, non-handled "
+ "param '%s' in beginCnfLoad\n", modpblk.descr[i].name);
+ }
+ }
+
+ /* disable legacy module-global config directives */
+ bLegacyCnfModGlobalsPermitted = 0;
+ loadModConf->configSetViaV2Method = 1;
+
+finalize_it:
+ if(pvals != NULL)
+ cnfparamvalsDestruct(pvals, &modpblk);
+ENDsetModCnf
+
+
BEGINendCnfLoad
CODESTARTendCnfLoad
- /* persist module-specific settings from legacy config system */
- loadModConf->bOmitLocalLogging = cs.bOmitLocalLogging;
- loadModConf->pLogSockName = cs.pLogSockName;
+ if(!loadModConf->configSetViaV2Method) {
+ /* persist module-specific settings from legacy config system */
+ loadModConf->bOmitLocalLogging = cs.bOmitLocalLogging;
+ loadModConf->pLogSockName = cs.pLogSockName;
+ loadModConf->bIgnoreTimestamp = cs.bIgnoreTimestampSysSock;
+ loadModConf->bUseFlowCtl = cs.bUseFlowCtlSysSock;
+ }
loadModConf = NULL; /* done loading */
/* free legacy config vars */
@@ -1091,8 +1167,16 @@ ENDactivateCnf
BEGINfreeCnf
+ instanceConf_t *inst, *del;
CODESTARTfreeCnf
free(pModConf->pLogSockName);
+ for(inst = pModConf->root ; inst != NULL ; ) {
+ free(inst->sockName);
+ free(inst->pLogHostName);
+ del = inst;
+ inst = inst->next;
+ free(del);
+ }
ENDfreeCnf
@@ -1223,6 +1307,7 @@ BEGINqueryEtryPt
CODESTARTqueryEtryPt
CODEqueryEtryPt_STD_IMOD_QUERIES
CODEqueryEtryPt_STD_CONF2_QUERIES
+CODEqueryEtryPt_STD_CONF2_setModCnf_QUERIES
CODEqueryEtryPt_STD_CONF2_PREPRIVDROP_QUERIES
CODEqueryEtryPt_IsCompatibleWithFeature_IF_OMOD_QUERIES
ENDqueryEtryPt
@@ -1235,7 +1320,9 @@ static rsRetVal resetConfigVariables(uchar __attribute__((unused)) *pp, void __a
cs.bOmitLocalLogging = 0;
cs.pLogHostName = NULL;
cs.bIgnoreTimestamp = 1;
+ cs.bIgnoreTimestampSysSock = 1;
cs.bUseFlowCtl = 0;
+ cs.bUseFlowCtlSysSock = 0;
cs.bUseSysTimeStamp = 1;
cs.bUseSysTimeStampSysSock = 1;
cs.bWritePid = 0;
@@ -1267,7 +1354,7 @@ CODEmodInit_QueryRegCFSLineHdlr
CHKiRet(objUse(datetime, CORE_COMPONENT));
CHKiRet(objUse(parser, CORE_COMPONENT));
- dbgprintf("imuxsock version %s initializing\n", PACKAGE_VERSION);
+ DBGPRINTF("imuxsock version %s initializing\n", PACKAGE_VERSION);
/* init legacy config vars */
cs.pLogSockName = NULL;
@@ -1309,12 +1396,8 @@ CODEmodInit_QueryRegCFSLineHdlr
CHKiRet(prop.ConstructFinalize(pLocalHostIP));
/* register config file handlers */
- CHKiRet(omsdRegCFSLineHdlr((uchar *)"omitlocallogging", 0, eCmdHdlrBinary,
- NULL, &cs.bOmitLocalLogging, STD_LOADABLE_MODULE_ID));
CHKiRet(omsdRegCFSLineHdlr((uchar *)"inputunixlistensocketignoremsgtimestamp", 0, eCmdHdlrBinary,
NULL, &cs.bIgnoreTimestamp, STD_LOADABLE_MODULE_ID));
- CHKiRet(omsdRegCFSLineHdlr((uchar *)"systemlogsocketname", 0, eCmdHdlrGetWord,
- NULL, &cs.pLogSockName, STD_LOADABLE_MODULE_ID));
CHKiRet(omsdRegCFSLineHdlr((uchar *)"inputunixlistensockethostname", 0, eCmdHdlrGetWord,
NULL, &cs.pLogHostName, STD_LOADABLE_MODULE_ID));
CHKiRet(omsdRegCFSLineHdlr((uchar *)"inputunixlistensocketflowcontrol", 0, eCmdHdlrBinary,
@@ -1343,22 +1426,26 @@ CODEmodInit_QueryRegCFSLineHdlr
* for that. We should revisit all of that once we have the new config format...
* rgerhards, 2008-03-06
*/
- CHKiRet(omsdRegCFSLineHdlr((uchar *)"systemlogsocketignoremsgtimestamp", 0, eCmdHdlrBinary,
- setSystemLogTimestampIgnore, NULL, STD_LOADABLE_MODULE_ID));
- CHKiRet(omsdRegCFSLineHdlr((uchar *)"systemlogsocketflowcontrol", 0, eCmdHdlrBinary,
- setSystemLogFlowControl, NULL, STD_LOADABLE_MODULE_ID));
- CHKiRet(omsdRegCFSLineHdlr((uchar *)"systemlogusesystimestamp", 0, eCmdHdlrBinary,
- NULL, &cs.bUseSysTimeStampSysSock, STD_LOADABLE_MODULE_ID));
- CHKiRet(omsdRegCFSLineHdlr((uchar *)"systemlogsocketannotate", 0, eCmdHdlrBinary,
- NULL, &cs.bAnnotateSysSock, STD_LOADABLE_MODULE_ID));
- CHKiRet(omsdRegCFSLineHdlr((uchar *)"systemlogusepidfromsystem", 0, eCmdHdlrBinary,
- NULL, &cs.bWritePidSysSock, STD_LOADABLE_MODULE_ID));
- CHKiRet(omsdRegCFSLineHdlr((uchar *)"systemlogratelimitinterval", 0, eCmdHdlrInt,
- NULL, &cs.ratelimitIntervalSysSock, STD_LOADABLE_MODULE_ID));
- CHKiRet(omsdRegCFSLineHdlr((uchar *)"systemlogratelimitburst", 0, eCmdHdlrInt,
- NULL, &cs.ratelimitBurstSysSock, STD_LOADABLE_MODULE_ID));
- CHKiRet(omsdRegCFSLineHdlr((uchar *)"systemlogratelimitseverity", 0, eCmdHdlrInt,
- NULL, &cs.ratelimitSeveritySysSock, STD_LOADABLE_MODULE_ID));
+ CHKiRet(regCfSysLineHdlr2((uchar *)"omitlocallogging", 0, eCmdHdlrBinary,
+ NULL, &cs.bOmitLocalLogging, STD_LOADABLE_MODULE_ID, &bLegacyCnfModGlobalsPermitted));
+ CHKiRet(regCfSysLineHdlr2((uchar *)"systemlogsocketname", 0, eCmdHdlrGetWord,
+ NULL, &cs.pLogSockName, STD_LOADABLE_MODULE_ID, &bLegacyCnfModGlobalsPermitted));
+ CHKiRet(regCfSysLineHdlr2((uchar *)"systemlogsocketignoremsgtimestamp", 0, eCmdHdlrBinary,
+ NULL, &cs.bIgnoreTimestampSysSock, STD_LOADABLE_MODULE_ID, &bLegacyCnfModGlobalsPermitted));
+ CHKiRet(regCfSysLineHdlr2((uchar *)"systemlogsocketflowcontrol", 0, eCmdHdlrBinary,
+ NULL, &cs.bUseFlowCtlSysSock, STD_LOADABLE_MODULE_ID, &bLegacyCnfModGlobalsPermitted));
+ CHKiRet(regCfSysLineHdlr2((uchar *)"systemlogusesystimestamp", 0, eCmdHdlrBinary,
+ NULL, &cs.bUseSysTimeStampSysSock, STD_LOADABLE_MODULE_ID, &bLegacyCnfModGlobalsPermitted));
+ CHKiRet(regCfSysLineHdlr2((uchar *)"systemlogsocketannotate", 0, eCmdHdlrBinary,
+ NULL, &cs.bAnnotateSysSock, STD_LOADABLE_MODULE_ID, &bLegacyCnfModGlobalsPermitted));
+ CHKiRet(regCfSysLineHdlr2((uchar *)"systemlogusepidfromsystem", 0, eCmdHdlrBinary,
+ NULL, &cs.bWritePidSysSock, STD_LOADABLE_MODULE_ID, &bLegacyCnfModGlobalsPermitted));
+ CHKiRet(regCfSysLineHdlr2((uchar *)"systemlogratelimitinterval", 0, eCmdHdlrInt,
+ NULL, &cs.ratelimitIntervalSysSock, STD_LOADABLE_MODULE_ID, &bLegacyCnfModGlobalsPermitted));
+ CHKiRet(regCfSysLineHdlr2((uchar *)"systemlogratelimitburst", 0, eCmdHdlrInt,
+ NULL, &cs.ratelimitBurstSysSock, STD_LOADABLE_MODULE_ID, &bLegacyCnfModGlobalsPermitted));
+ CHKiRet(regCfSysLineHdlr2((uchar *)"systemlogratelimitseverity", 0, eCmdHdlrInt,
+ NULL, &cs.ratelimitSeveritySysSock, STD_LOADABLE_MODULE_ID, &bLegacyCnfModGlobalsPermitted));
/* support statistics gathering */
CHKiRet(statsobj.Construct(&modStats));
generated by cgit (git 2.34.1) at 2024-05-29 08:58:49 +0000