summaryrefslogtreecommitdiffstats
path: root/plugins/imklog
diff options
context:
space:
mode:
Diffstat (limited to 'plugins/imklog')
-rw-r--r--plugins/imklog/bsd.c22
-rw-r--r--plugins/imklog/imklog.c198
-rw-r--r--plugins/imklog/imklog.h26
3 files changed, 176 insertions, 70 deletions
diff --git a/plugins/imklog/bsd.c b/plugins/imklog/bsd.c
index eaf8e5ca..80ff9494 100644
--- a/plugins/imklog/bsd.c
+++ b/plugins/imklog/bsd.c
@@ -151,37 +151,37 @@ submitSyslog(int pri, uchar *buf)
#endif /* #ifdef LINUX */
-static uchar *GetPath(void)
+static uchar *GetPath(modConfData_t *pModConf)
{
- return pszPath ? pszPath : (uchar*) _PATH_KLOG;
+ return pModConf->pszPath ? pModConf->pszPath : (uchar*) _PATH_KLOG;
}
/* open the kernel log - will be called inside the willRun() imklog
* entry point. -- rgerhards, 2008-04-09
*/
rsRetVal
-klogWillRun(void)
+klogWillRun(modConfData_t *pModConf)
{
char errmsg[2048];
int r;
DEFiRet;
- fklog = open((char*)GetPath(), O_RDONLY, 0);
+ fklog = open((char*)GetPath(pModConf), O_RDONLY, 0);
if (fklog < 0) {
imklogLogIntMsg(RS_RET_ERR_OPEN_KLOG, "imklog: cannot open kernel log(%s): %s.",
- GetPath(), rs_strerror_r(errno, errmsg, sizeof(errmsg)));
+ GetPath(pModConf), rs_strerror_r(errno, errmsg, sizeof(errmsg)));
ABORT_FINALIZE(RS_RET_ERR_OPEN_KLOG);
}
# ifdef OS_LINUX
/* Set level of kernel console messaging.. */
- if(console_log_level != -1) {
- r = klogctl(8, NULL, console_log_level);
+ if(pModConf->console_log_level != -1) {
+ r = klogctl(8, NULL, pModConf->console_log_level);
if(r != 0) {
imklogLogIntMsg(LOG_WARNING, "imklog: cannot set console log level: %s",
rs_strerror_r(errno, errmsg, sizeof(errmsg)));
/* make sure we do not try to re-set! */
- console_log_level = -1;
+ pModConf->console_log_level = -1;
}
}
# endif /* #ifdef OS_LINUX */
@@ -257,14 +257,14 @@ readklog(void)
/* to be called in the module's AfterRun entry point
* rgerhards, 2008-04-09
*/
-rsRetVal klogAfterRun(void)
+rsRetVal klogAfterRun(modConfData_t *pModConf)
{
DEFiRet;
if(fklog != -1)
close(fklog);
# ifdef OS_LINUX
/* Turn on logging of messages to console, but only if a log level was speficied */
- if(console_log_level != -1)
+ if(pModConf->console_log_level != -1)
klogctl(7, NULL, 0);
# endif
RETiRet;
@@ -276,7 +276,7 @@ rsRetVal klogAfterRun(void)
* "message pull" mechanism.
* rgerhards, 2008-04-09
*/
-rsRetVal klogLogKMsg(void)
+rsRetVal klogLogKMsg(modConfData_t __attribute__((unused)) *pModConf)
{
DEFiRet;
readklog();
diff --git a/plugins/imklog/imklog.c b/plugins/imklog/imklog.c
index 40249273..b52b67af 100644
--- a/plugins/imklog/imklog.c
+++ b/plugins/imklog/imklog.c
@@ -62,6 +62,7 @@
MODULE_TYPE_INPUT
MODULE_TYPE_NOKEEP
+MODULE_CNFNAME("imklog")
/* Module static data */
DEF_IMOD_STATIC_DATA
@@ -69,27 +70,43 @@ DEFobjCurrIf(datetime)
DEFobjCurrIf(glbl)
DEFobjCurrIf(prop)
-/* configuration settings */
-int dbgPrintSymbols = 0; /* this one is extern so the helpers can access it! */
-int symbols_twice = 0;
-int use_syscall = 0;
-int symbol_lookup = 0; /* on recent kernels > 2.6, the kernel does this */
-int bPermitNonKernel = 0; /* permit logging of messages not having LOG_KERN facility */
-int iFacilIntMsg; /* the facility to use for internal messages (set by driver) */
-uchar *pszPath = NULL;
-int console_log_level = -1;
-/* TODO: configuration for the following directives must be implemented. It
- * was not done yet because we either do not yet have a config handler for
- * that type or I thought it was acceptable to push it to a later stage when
- * I gained more handson experience with the input module interface (and the
- * changes resulting from that). -- rgerhards, 2007-12-20
- */
-char *symfile = NULL;
+/* config settings */
+typedef struct configSettings_s {
+ int dbgPrintSymbols; /* this one is extern so the helpers can access it! */
+ int symbols_twice;
+ int use_syscall;
+ int symbol_lookup; /* on recent kernels > 2.6, the kernel does this */
+ int bPermitNonKernel; /* permit logging of messages not having LOG_KERN facility */
+ int iFacilIntMsg; /* the facility to use for internal messages (set by driver) */
+ uchar *pszPath;
+ int console_log_level;
+ char *symfile; /* TODO: actually unsued currently! */
+} configSettings_t;
+static configSettings_t cs;
+
+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 */
static prop_t *pInputName = NULL; /* there is only one global inputName for all messages generated by this module */
static prop_t *pLocalHostIP = NULL; /* a pseudo-constant propterty for 127.0.0.1 */
+
+static inline void
+initConfigSettings(void)
+{
+ cs.dbgPrintSymbols = 0;
+ cs.symbols_twice = 0;
+ cs.use_syscall = 0;
+ cs.symbol_lookup = 0;
+ cs.bPermitNonKernel = 0;
+ cs.console_log_level = -1;
+ cs.pszPath = NULL;
+ cs.symfile = NULL;
+ cs.iFacilIntMsg = klogFacilIntMsg();
+}
+
+
/* enqueue the the kernel message into the message queue.
* The provided msg string is not freed - thus must be done
* by the caller.
@@ -182,8 +199,7 @@ rsRetVal imklogLogIntMsg(int priority, char *fmt, ...)
pLogMsg = msgBuf;
va_end(ap);
- iRet = enqMsg((uchar*)pLogMsg, (uchar*) ((iFacilIntMsg == LOG_KERN) ? "kernel:" : "imklog:"),
- iFacilIntMsg, LOG_PRI(priority), NULL);
+ logmsgInternal(NO_ERRCODE ,priority, msgBuf, 0);
RETiRet;
}
@@ -220,7 +236,7 @@ rsRetVal Syslog(int priority, uchar *pMsg, struct timeval *tp)
/* if we don't get the pri, we use whatever we were supplied */
/* ignore non-kernel messages if not permitted */
- if(bPermitNonKernel == 0 && LOG_FAC(priority) != LOG_KERN)
+ if(cs.bPermitNonKernel == 0 && LOG_FAC(priority) != LOG_KERN)
FINALIZE; /* silently ignore */
iRet = enqMsg((uchar*)pMsg, (uchar*) "kernel:", LOG_FAC(priority), LOG_PRI(priority), tp);
@@ -252,63 +268,123 @@ CODESTARTrunInput
* and then submits it to the rsyslog main queue.
* rgerhards, 2008-04-09
*/
- CHKiRet(klogLogKMsg());
+ CHKiRet(klogLogKMsg(runModConf));
}
finalize_it:
ENDrunInput
+BEGINbeginCnfLoad
+CODESTARTbeginCnfLoad
+ loadModConf = pModConf;
+ pModConf->pConf = pConf;
+ /* init legacy config vars */
+ initConfigSettings();
+ENDbeginCnfLoad
+
+
+BEGINendCnfLoad
+CODESTARTendCnfLoad
+ /* persist module-specific settings from legacy config system */
+ loadModConf->dbgPrintSymbols = cs.dbgPrintSymbols;
+ loadModConf->symbols_twice = cs.symbols_twice;
+ loadModConf->use_syscall = cs.use_syscall;
+ loadModConf->bPermitNonKernel = cs.bPermitNonKernel;
+ loadModConf->iFacilIntMsg = cs.iFacilIntMsg;
+ loadModConf->console_log_level = cs.console_log_level;
+ if((cs.pszPath == NULL) || (cs.pszPath[0] == '\0')) {
+ loadModConf->pszPath = NULL;
+ if(cs.pszPath != NULL)
+ free(cs.pszPath);
+ } else {
+ loadModConf->pszPath = cs.pszPath;
+ }
+ cs.pszPath = NULL;
+ if((cs.symfile == NULL) || (cs.symfile[0] == '\0')) {
+ loadModConf->symfile = NULL;
+ if(cs.symfile != NULL)
+ free(cs.symfile);
+ } else {
+ loadModConf->symfile = cs.symfile;
+ }
+ cs.symfile = NULL;
+
+ loadModConf = NULL; /* done loading */
+ /* free legacy config vars */
+ free(cs.pszPath);
+ cs.pszPath = NULL;
+ free(cs.symfile);
+ cs.symfile = NULL;
+ENDendCnfLoad
+
+
+BEGINcheckCnf
+CODESTARTcheckCnf
+ENDcheckCnf
+
+
+BEGINactivateCnfPrePrivDrop
+CODESTARTactivateCnfPrePrivDrop
+ runModConf = pModConf;
+ iRet = klogWillRun(runModConf);
+ENDactivateCnfPrePrivDrop
+
+
+BEGINactivateCnf
+CODESTARTactivateCnf
+ENDactivateCnf
+
+
+BEGINfreeCnf
+CODESTARTfreeCnf
+ENDfreeCnf
+
+
BEGINwillRun
CODESTARTwillRun
- /* we need to create the inputName property (only once during our lifetime) */
- CHKiRet(prop.CreateStringProp(&pInputName, UCHAR_CONSTANT("imklog"), sizeof("imklog") - 1));
- CHKiRet(prop.CreateStringProp(&pLocalHostIP, UCHAR_CONSTANT("127.0.0.1"), sizeof("127.0.0.1") - 1));
-
- iRet = klogWillRun();
-finalize_it:
ENDwillRun
BEGINafterRun
CODESTARTafterRun
- iRet = klogAfterRun();
+ iRet = klogAfterRun(runModConf);
+ENDafterRun
+
+BEGINmodExit
+CODESTARTmodExit
if(pInputName != NULL)
prop.Destruct(&pInputName);
if(pLocalHostIP != NULL)
prop.Destruct(&pLocalHostIP);
-ENDafterRun
-
-BEGINmodExit
-CODESTARTmodExit
/* release objects we used */
objRelease(glbl, CORE_COMPONENT);
objRelease(datetime, CORE_COMPONENT);
objRelease(prop, CORE_COMPONENT);
- if(pszPath != NULL)
- free(pszPath);
ENDmodExit
BEGINqueryEtryPt
CODESTARTqueryEtryPt
CODEqueryEtryPt_STD_IMOD_QUERIES
+CODEqueryEtryPt_STD_CONF2_QUERIES
+CODEqueryEtryPt_STD_CONF2_PREPRIVDROP_QUERIES
ENDqueryEtryPt
static rsRetVal resetConfigVariables(uchar __attribute__((unused)) *pp, void __attribute__((unused)) *pVal)
{
- dbgPrintSymbols = 0;
- symbols_twice = 0;
- use_syscall = 0;
- symfile = NULL;
- symbol_lookup = 0;
- bPermitNonKernel = 0;
- if(pszPath != NULL) {
- free(pszPath);
- pszPath = NULL;
+ cs.dbgPrintSymbols = 0;
+ cs.symbols_twice = 0;
+ cs.use_syscall = 0;
+ cs.symfile = NULL;
+ cs.symbol_lookup = 0;
+ cs.bPermitNonKernel = 0;
+ if(cs.pszPath != NULL) {
+ free(cs.pszPath);
+ cs.pszPath = NULL;
}
- iFacilIntMsg = klogFacilIntMsg();
+ cs.iFacilIntMsg = klogFacilIntMsg();
return RS_RET_OK;
}
@@ -320,17 +396,31 @@ CODEmodInit_QueryRegCFSLineHdlr
CHKiRet(objUse(glbl, CORE_COMPONENT));
CHKiRet(objUse(prop, CORE_COMPONENT));
- iFacilIntMsg = klogFacilIntMsg();
-
- CHKiRet(omsdRegCFSLineHdlr((uchar *)"debugprintkernelsymbols", 0, eCmdHdlrBinary, NULL, &dbgPrintSymbols, STD_LOADABLE_MODULE_ID));
- CHKiRet(omsdRegCFSLineHdlr((uchar *)"klogpath", 0, eCmdHdlrGetWord, NULL, &pszPath, STD_LOADABLE_MODULE_ID));
- CHKiRet(omsdRegCFSLineHdlr((uchar *)"klogsymbollookup", 0, eCmdHdlrBinary, NULL, &symbol_lookup, STD_LOADABLE_MODULE_ID));
- CHKiRet(omsdRegCFSLineHdlr((uchar *)"klogsymbolstwice", 0, eCmdHdlrBinary, NULL, &symbols_twice, STD_LOADABLE_MODULE_ID));
- CHKiRet(omsdRegCFSLineHdlr((uchar *)"klogusesyscallinterface", 0, eCmdHdlrBinary, NULL, &use_syscall, STD_LOADABLE_MODULE_ID));
- CHKiRet(omsdRegCFSLineHdlr((uchar *)"klogpermitnonkernelfacility", 0, eCmdHdlrBinary, NULL, &bPermitNonKernel, STD_LOADABLE_MODULE_ID));
- CHKiRet(omsdRegCFSLineHdlr((uchar *)"klogconsoleloglevel", 0, eCmdHdlrInt, NULL, &console_log_level, STD_LOADABLE_MODULE_ID));
- CHKiRet(omsdRegCFSLineHdlr((uchar *)"kloginternalmsgfacility", 0, eCmdHdlrFacility, NULL, &iFacilIntMsg, STD_LOADABLE_MODULE_ID));
- CHKiRet(omsdRegCFSLineHdlr((uchar *)"resetconfigvariables", 1, eCmdHdlrCustomHandler, resetConfigVariables, NULL, STD_LOADABLE_MODULE_ID));
+ /* we need to create the inputName property (only once during our lifetime) */
+ CHKiRet(prop.CreateStringProp(&pInputName, UCHAR_CONSTANT("imklog"), sizeof("imklog") - 1));
+ CHKiRet(prop.CreateStringProp(&pLocalHostIP, UCHAR_CONSTANT("127.0.0.1"), sizeof("127.0.0.1") - 1));
+
+ /* init legacy config settings */
+ initConfigSettings();
+
+ CHKiRet(omsdRegCFSLineHdlr((uchar *)"debugprintkernelsymbols", 0, eCmdHdlrBinary,
+ NULL, &cs.dbgPrintSymbols, STD_LOADABLE_MODULE_ID));
+ CHKiRet(omsdRegCFSLineHdlr((uchar *)"klogpath", 0, eCmdHdlrGetWord,
+ NULL, &cs.pszPath, STD_LOADABLE_MODULE_ID));
+ CHKiRet(omsdRegCFSLineHdlr((uchar *)"klogsymbollookup", 0, eCmdHdlrBinary,
+ NULL, &cs.symbol_lookup, STD_LOADABLE_MODULE_ID));
+ CHKiRet(omsdRegCFSLineHdlr((uchar *)"klogsymbolstwice", 0, eCmdHdlrBinary,
+ NULL, &cs.symbols_twice, STD_LOADABLE_MODULE_ID));
+ CHKiRet(omsdRegCFSLineHdlr((uchar *)"klogusesyscallinterface", 0, eCmdHdlrBinary,
+ NULL, &cs.use_syscall, STD_LOADABLE_MODULE_ID));
+ CHKiRet(omsdRegCFSLineHdlr((uchar *)"klogpermitnonkernelfacility", 0, eCmdHdlrBinary,
+ NULL, &cs.bPermitNonKernel, STD_LOADABLE_MODULE_ID));
+ CHKiRet(omsdRegCFSLineHdlr((uchar *)"klogconsoleloglevel", 0, eCmdHdlrInt,
+ NULL, &cs.console_log_level, STD_LOADABLE_MODULE_ID));
+ CHKiRet(omsdRegCFSLineHdlr((uchar *)"kloginternalmsgfacility", 0, eCmdHdlrFacility,
+ NULL, &cs.iFacilIntMsg, STD_LOADABLE_MODULE_ID));
+ CHKiRet(omsdRegCFSLineHdlr((uchar *)"resetconfigvariables", 1, eCmdHdlrCustomHandler,
+ resetConfigVariables, NULL, STD_LOADABLE_MODULE_ID));
ENDmodInit
/* vim:set ai:
*/
diff --git a/plugins/imklog/imklog.h b/plugins/imklog/imklog.h
index 39bdeb5c..b0772711 100644
--- a/plugins/imklog/imklog.h
+++ b/plugins/imklog/imklog.h
@@ -30,22 +30,37 @@
#include "rsyslog.h"
#include "dirty.h"
+/* we need to have the modConf type present in all submodules */
+struct modConfData_s {
+ int dbgPrintSymbols;
+ int symbols_twice;
+ int use_syscall;
+ int symbol_lookup;
+ int bPermitNonKernel;
+ int iFacilIntMsg;
+ uchar *pszPath;
+ int console_log_level;
+ char *symfile;
+ rsconf_t *pConf;
+};
+
/* interface to "drivers"
* the platform specific drivers must implement these entry points. Only one
* driver may be active at any given time, thus we simply rely on the linker
* to resolve the addresses.
* rgerhards, 2008-04-09
*/
-rsRetVal klogLogKMsg(void);
-rsRetVal klogWillRun(void);
-rsRetVal klogAfterRun(void);
-int klogFacilIntMsg(void);
+rsRetVal klogLogKMsg(modConfData_t *pModConf);
+rsRetVal klogWillRun(modConfData_t *pModConf);
+rsRetVal klogAfterRun(modConfData_t *pModConf);
+int klogFacilIntMsg();
/* the following data members may be accessed by the "drivers"
* I admit this is not the cleanest way to doing things, but I honestly
* believe it is appropriate for the job that needs to be done.
* rgerhards, 2008-04-09
*/
+#if 0
extern int symbols_twice;
extern int use_syscall;
extern int symbol_lookup;
@@ -53,6 +68,7 @@ extern char *symfile;
extern int console_log_level;
extern int dbgPrintSymbols;
extern uchar *pszPath;
+#endif
/* the functions below may be called by the drivers */
rsRetVal imklogLogIntMsg(int priority, char *fmt, ...) __attribute__((format(printf,2, 3)));
@@ -60,7 +76,7 @@ rsRetVal Syslog(int priority, uchar *msg, struct timeval *tp);
/* prototypes */
extern int klog_getMaxLine(void); /* work-around for klog drivers to get configured max line size */
-extern int InitKsyms(char *);
+extern int InitKsyms(modConfData_t*);
extern void DeinitKsyms(void);
extern int InitMsyms(void);
extern void DeinitMsyms(void);