diff options
Diffstat (limited to 'klogd.c')
| -rw-r--r-- | klogd.c | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/klogd.c b/klogd.c deleted file mode 100644 index d7b54e9..0000000 --- a/klogd.c +++ /dev/null @@ -1,153 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * Mini klogd implementation for busybox - * - * Copyright (C) 2001 by Gennady Feldman <gfeldman@cachier.com>. - * Changes: Made this a standalone busybox module which uses standalone - * syslog() client interface. - * - * Copyright (C) 1999,2000,2001 by Lineo, inc. - * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org> - * - * Copyright (C) 2000 by Karl M. Hegbloom <karlheg@debian.org> - * - * "circular buffer" Copyright (C) 2000 by Gennady Feldman <gfeldman@mail.com> - * - * Maintainer: Gennady Feldman <gena01@cachier.com> as of Mar 12, 2001 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include <stdio.h> -#include <stdlib.h> -#include <signal.h> /* for our signal() handlers */ -#include <string.h> /* strncpy() */ -#include <errno.h> /* errno and friends */ -#include <unistd.h> -#include <ctype.h> -#include <sys/syslog.h> - -#if __GNU_LIBRARY__ < 5 -# ifdef __alpha__ -# define klogctl syslog -# endif -#else -# include <sys/klog.h> -#endif - -#include "busybox.h" - -static void klogd_signal(int sig) -{ - klogctl(7, NULL, 0); - klogctl(0, 0, 0); - //logMessage(0, "Kernel log daemon exiting."); - syslog_msg(LOG_DAEMON, 0, "Kernel log daemon exiting."); - exit(TRUE); -} - -static void doKlogd (void) __attribute__ ((noreturn)); -static void doKlogd (void) -{ - int priority = LOG_INFO; - char log_buffer[4096]; - int i, n, lastc; - char *start; - - /* Set up sig handlers */ - signal(SIGINT, klogd_signal); - signal(SIGKILL, klogd_signal); - signal(SIGTERM, klogd_signal); - signal(SIGHUP, SIG_IGN); - - /* "Open the log. Currently a NOP." */ - klogctl(1, NULL, 0); - - syslog_msg(LOG_DAEMON, 0, "klogd started: " BB_BANNER); - - while (1) { - /* Use kernel syscalls */ - memset(log_buffer, '\0', sizeof(log_buffer)); - n = klogctl(2, log_buffer, sizeof(log_buffer)); - if (n < 0) { - char message[80]; - - if (errno == EINTR) - continue; - snprintf(message, 79, "klogd: Error return from sys_sycall: %d - %s.\n", - errno, strerror(errno)); - syslog_msg(LOG_DAEMON, LOG_SYSLOG | LOG_ERR, message); - exit(1); - } - - /* klogctl buffer parsing modelled after code in dmesg.c */ - start=&log_buffer[0]; - lastc='\0'; - for (i=0; i<n; i++) { - if (lastc == '\0' && log_buffer[i] == '<') { - priority = 0; - i++; - while (isdigit(log_buffer[i])) { - priority = priority*10+(log_buffer[i]-'0'); - i++; - } - if (log_buffer[i] == '>') i++; - start = &log_buffer[i]; - } - if (log_buffer[i] == '\n') { - log_buffer[i] = '\0'; /* zero terminate this message */ - syslog_msg(LOG_DAEMON, LOG_KERN | priority, start); - start = &log_buffer[i+1]; - priority = LOG_INFO; - } - lastc = log_buffer[i]; - } - } -} - -extern int klogd_main(int argc, char **argv) -{ - /* no options, no getopt */ - int opt; - int doFork = TRUE; - - /* do normal option parsing */ - while ((opt = getopt(argc, argv, "n")) > 0) { - switch (opt) { - case 'n': - doFork = FALSE; - break; - default: - show_usage(); - } - } - - if (doFork == TRUE) { - if (daemon(0, 1) < 0) - perror_msg_and_die("daemon"); - } - doKlogd(); - - return EXIT_SUCCESS; -} - -/* -Local Variables -c-file-style: "linux" -c-basic-offset: 4 -tab-width: 4 -End: -*/ |