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-rw-r--r--tools/syslogd.c192
1 files changed, 108 insertions, 84 deletions
diff --git a/tools/syslogd.c b/tools/syslogd.c
index a89c7e57..e2776c11 100644
--- a/tools/syslogd.c
+++ b/tools/syslogd.c
@@ -93,6 +93,8 @@
#include <zlib.h>
#endif
+extern int yydebug; /* interface to flex */
+
#include <netdb.h>
#include "pidfile.h"
@@ -119,7 +121,6 @@
#include "batch.h"
#include "unicode-helper.h"
#include "ruleset.h"
-#include "rule.h"
#include "net.h"
#include "prop.h"
#include "rsconf.h"
@@ -134,7 +135,6 @@ DEFobjCurrIf(datetime) /* TODO: make go away! */
DEFobjCurrIf(conf)
DEFobjCurrIf(module)
DEFobjCurrIf(errmsg)
-DEFobjCurrIf(rule)
DEFobjCurrIf(ruleset)
DEFobjCurrIf(prop)
DEFobjCurrIf(parser)
@@ -224,7 +224,7 @@ struct queuefilenames_s {
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.
@@ -473,7 +473,7 @@ 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);
}
@@ -652,7 +652,6 @@ finalize_it:
rsRetVal
multiSubmitMsg(multi_submit_t *pMultiSub)
{
- int i;
qqueue_t *pQueue;
ruleset_t *pRuleset;
DEFiRet;
@@ -774,8 +773,11 @@ 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 +785,13 @@ 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;
@@ -1106,7 +1110,7 @@ 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 +1126,65 @@ 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)) {
@@ -1409,6 +1418,11 @@ 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 +1451,6 @@ 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";
@@ -1492,7 +1504,6 @@ 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);
@@ -1681,8 +1692,7 @@ doGlblProcessInit(void)
thrdInit();
- if( !(Debug == DEBUG_FULL || NoFork) )
- {
+ if(doFork) {
DBGPRINTF("Checking pidfile '%s'.\n", PidFile);
if (!check_pid(PidFile))
{
@@ -1694,16 +1704,23 @@ 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 +1729,7 @@ 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 +1763,8 @@ doGlblProcessInit(void)
i = SD_LISTEN_FDS_START + sd_fds;
}
for ( ; i < num_fds; i++)
- (void) close(i);
+ if(i != dbgGetDbglogFd())
+ close(i);
untty();
} else {
@@ -1825,7 +1844,7 @@ 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 +1872,15 @@ 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 +1975,7 @@ 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);
@@ -2050,17 +2073,18 @@ int realMain(int argc, char **argv)
if(!iConfigVerify)
CHKiRet(doGlblProcessInit());
+ /* Send a signal to the parent so it can terminate. */
+ if(myPid != ppid) {
+ dbgprintf("signaling parent to terminate\n");
+ 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");
@@ -2071,7 +2095,7 @@ 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;