static const char syslogd_usage[] =
"syslogd [OPTION]...\n\n"
- "Linux system logging utility.\n\n"
+ "Linux system and kernel (provides klogd) logging utility.\n"
+ "Note that this version of syslogd/klogd ignores /etc/syslog.conf.\n\n"
"Options:\n"
"\t-m\tChange the mark timestamp interval. default=20min. 0=off\n"
"\t-n\tDo not fork into the background (for when run by init)\n"
+#ifdef BB_KLOGD
+ "\t-K\tDo not start up the klogd process (by default syslogd spawns klogd).\n"
+#endif
"\t-O\tSpecify an alternate log file. default=/var/log/messages\n";
-static int kmsg;
/* try to open up the specified device */
static int device_open(char *device, int mode)
{
if (MarkInterval > 0) {
logMessage(LOG_SYSLOG|LOG_INFO, "-- MARK --");
- signal(SIGALRM, domark);
alarm(MarkInterval);
}
}
close(fd);
}
+#ifdef BB_KLOGD
+
static void klogd_signal(int sig)
{
- //ksyslog(7, NULL, 0);
- //ksyslog(0, 0, 0);
+ ksyslog(7, NULL, 0);
+ ksyslog(0, 0, 0);
logMessage(LOG_SYSLOG|LOG_INFO, "Kernel log daemon exiting.");
- close( kmsg);
exit( TRUE);
}
-
static void doKlogd(void)
{
int priority=LOG_INFO;
- struct stat sb;
char log_buffer[4096];
char *logp;
"BusyBox v" BB_VER " (" BB_BT ")");
ksyslog(1, NULL, 0);
- if ( ((stat(_PATH_KLOG, &sb) < 0) && (errno == ENOENT)) ||
- ( (kmsg = open(_PATH_KLOG, O_RDONLY)) < 0 ) ) {
- char message[80];
- snprintf(message, 79, "klogd: Cannot open %s, " \
- "%d - %s.\n", _PATH_KLOG, errno, strerror(errno));
- logMessage(LOG_SYSLOG|LOG_ERR, message);
- klogd_signal(0);
- }
+
while (1) {
+ /* Use kernel syscalls */
memset(log_buffer, '\0', sizeof(log_buffer));
- if ( read(kmsg, log_buffer, sizeof(log_buffer)-1) < 0 ) {
- char message[80];
- if ( errno == EINTR )
- continue;
- snprintf(message, 79, "klogd: Cannot read proc file system: %d - %s.\n",
- errno, strerror(errno));
- logMessage(LOG_SYSLOG|LOG_ERR, message);
- klogd_signal(0);
- }
-#if 0
if ( ksyslog(2, log_buffer, sizeof(log_buffer)) < 0 ) {
char message[80];
if ( errno == EINTR )
logMessage(LOG_SYSLOG|LOG_ERR, message);
exit(1);
}
-#endif
logp=log_buffer;
if ( *log_buffer == '<' )
{
}
+#endif
extern int syslogd_main(int argc, char **argv)
{
int pid, klogd_pid;
int doFork = TRUE;
+#ifdef BB_KLOGD
+ int startKlogd = TRUE;
+#endif
char *p;
char **argv1=argv;
case 'n':
doFork = FALSE;
break;
+#ifdef BB_KLOGD
+ case 'K':
+ startKlogd = FALSE;
+ break;
+#endif
case 'O':
if (--argc == 0) {
usage(syslogd_usage);
doSyslogd();
}
+#ifdef BB_KLOGD
/* Start up the klogd process */
- klogd_pid = fork();
- if (klogd_pid == 0 ) {
- strncpy(argv[0], "klogd", strlen(argv[0]));
- doKlogd();
+ if (startKlogd == TRUE) {
+ klogd_pid = fork();
+ if (klogd_pid == 0 ) {
+ strncpy(argv[0], "klogd", strlen(argv[0]));
+ doKlogd();
+ }
}
+#endif
exit( TRUE);
}