add support for KLogPath

4 files changed, 25 insertions, 5 deletions

diff --git a/plugins/imklog/bsd.c b/plugins/imklog/bsd.c
index 090c4e9b..6d7b6c98 100644
--- a/plugins/imklog/bsd.c
+++ b/plugins/imklog/bsd.c
@@ -83,6 +83,11 @@ static int	fklog = -1;	/* /dev/klog */
 #	define _PATH_KLOG "/dev/klog"
 #endif
 
+static uchar *GetPath(void)
+{
+	return pszPath ? pszPath : _PATH_KLOG;
+}
+
 /* open the kernel log - will be called inside the willRun() imklog
  * entry point. -- rgerhards, 2008-04-09
  */
@@ -91,9 +96,9 @@ klogWillRun(void)
 {
 	DEFiRet;
 
-	fklog = open(_PATH_KLOG, O_RDONLY, 0);
+	fklog = open(GetPath(), O_RDONLY, 0);
 	if (fklog < 0) {
-		dbgprintf("can't open %s (%d)\n", _PATH_KLOG, errno);
+		dbgprintf("can't open %s (%d)\n", GetPath(), errno);
 		iRet = RS_RET_ERR; // TODO: better error code
 	}
 
diff --git a/plugins/imklog/imklog.c b/plugins/imklog/imklog.c
index f63d60ac..ab806183 100644
--- a/plugins/imklog/imklog.c
+++ b/plugins/imklog/imklog.c
@@ -44,6 +44,7 @@
 #include <string.h>
 #include <stdarg.h>
 #include <ctype.h>
+#include <stdlib.h>
 
 #include "dirty.h"
 #include "cfsysline.h"
@@ -69,6 +70,7 @@ 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;
 /* 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
@@ -243,6 +245,8 @@ CODESTARTmodExit
 	/* release objects we used */
 	objRelease(glbl, CORE_COMPONENT);
 	objRelease(datetime, CORE_COMPONENT);
+	if(pszPath != NULL)
+		free(pszPath);
 ENDmodExit
 
 
@@ -259,6 +263,10 @@ static rsRetVal resetConfigVariables(uchar __attribute__((unused)) *pp, void __a
 	symfile = NULL;
 	symbol_lookup = 0;
 	bPermitNonKernel = 0;
+	if(pszPath != NULL) {
+		free(pszPath);
+		pszPath = NULL;
+	}
 	iFacilIntMsg = klogFacilIntMsg();
 	return RS_RET_OK;
 }
@@ -273,6 +281,7 @@ CODEmodInit_QueryRegCFSLineHdlr
 	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));
diff --git a/plugins/imklog/imklog.h b/plugins/imklog/imklog.h
index 37bd58b0..c183026d 100644
--- a/plugins/imklog/imklog.h
+++ b/plugins/imklog/imklog.h
@@ -52,6 +52,7 @@ extern int symbol_lookup;
 extern char *symfile; 
 extern int console_log_level;
 extern int dbgPrintSymbols;
+extern uchar *pszPath;
 
 /* the functions below may be called by the drivers */
 rsRetVal imklogLogIntMsg(int priority, char *fmt, ...) __attribute__((format(printf,2, 3)));
diff --git a/plugins/imklog/linux.c b/plugins/imklog/linux.c
index 0dd4320d..fcd9d6cd 100644
--- a/plugins/imklog/linux.c
+++ b/plugins/imklog/linux.c
@@ -84,6 +84,11 @@ static enum LOGSRC {none, proc, kernel} logsrc;
 extern int ksyslog(int type, char *buf, int len);
 
 
+static uchar *GetPath(void)
+{
+	return pszPath ? pszPath : _PATH_KLOG;
+}
+
 static void CloseLogSrc(void)
 {
 	/* Turn on logging of messages to console, but only if we had the -c
@@ -135,7 +140,7 @@ static enum LOGSRC GetKernelLogSrc(void)
 	 * file system is available to get kernel messages from.
 	 */
 	if ( use_syscall ||
-	    ((stat(_PATH_KLOG, &sb) < 0) && (errno == ENOENT)) )
+	    ((stat(GetPath(), &sb) < 0) && (errno == ENOENT)) )
 	{
 	  	/* Initialize kernel logging. */
 	  	ksyslog(1, NULL, 0);
@@ -144,14 +149,14 @@ static enum LOGSRC GetKernelLogSrc(void)
 		return(kernel);
 	}
 
-	if ( (kmsg = open(_PATH_KLOG, O_RDONLY|O_CLOEXEC)) < 0 )
+	if ( (kmsg = open(GetPath(), O_RDONLY|O_CLOEXEC)) < 0 )
 	{
 		imklogLogIntMsg(LOG_ERR, "imklog: Cannot open proc file system, %d.\n", errno);
 		ksyslog(7, NULL, 0); /* TODO: check this, implement more */
 		return(none);
 	}
 
-	imklogLogIntMsg(LOG_INFO, "imklog %s, log source = %s started.", VERSION, _PATH_KLOG);
+	imklogLogIntMsg(LOG_INFO, "imklog %s, log source = %s started.", VERSION, GetPath());
 	return(proc);
 }