Importing all of DRL, including ulogd and all of its files.

[distributedratelimiting.git] / extensions / ulogd_SYSLOG.c

diff --git a/extensions/ulogd_SYSLOG.c b/extensions/ulogd_SYSLOG.c
new file mode 100644 (file)
index 0000000..5b6aa36
--- /dev/null
+++ b/extensions/ulogd_SYSLOG.c
@@ -0,0 +1,149 @@
+/* ulogd_SYSLOG.c, Version $Revision: 6433 $
+ *
+ * ulogd output target for real syslog() logging
+ *
+ * This target produces a syslog entries identical to the LOG target.
+ *
+ * (C) 2003 by Harald Welte <laforge@gnumonks.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 
+ *  as published by the Free Software Foundation
+ *
+ *  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
+ *
+ * $Id: ulogd_SYSLOG.c 6433 2006-01-25 11:22:03Z /C=DE/ST=Berlin/L=Berlin/O=Netfilter Project/OU=Development/CN=laforge/emailAddress=laforge@netfilter.org $
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <syslog.h>
+#include <ulogd/ulogd.h>
+#include <ulogd/conffile.h>
+#include "printpkt.h"
+
+#ifndef SYSLOG_FACILITY_DEFAULT
+#define SYSLOG_FACILITY_DEFAULT        "LOG_KERN"
+#endif
+
+#ifndef SYSLOG_LEVEL_DEFAULT 
+#define SYSLOG_LEVEL_DEFAULT "LOG_NOTICE"
+#endif
+
+static config_entry_t facility_ce = { 
+       .key = "facility", 
+       .type = CONFIG_TYPE_STRING, 
+       .options = CONFIG_OPT_NONE, 
+       .u = { .string = SYSLOG_FACILITY_DEFAULT } 
+};
+
+static config_entry_t level_ce = { 
+       .next = &facility_ce, 
+       .key = "level", 
+       .type = CONFIG_TYPE_STRING,
+       .options = CONFIG_OPT_NONE, 
+       .u = { .string = SYSLOG_LEVEL_DEFAULT }
+};
+
+static int syslog_level, syslog_facility;
+
+static int _output_syslog(ulog_iret_t *res)
+{
+       static char buf[4096];
+       
+       printpkt_print(res, buf, 0);
+       syslog(syslog_level|syslog_facility, buf);
+
+       return 0;
+}
+               
+static int syslog_init(void)
+{
+       /* FIXME: error handling */
+       config_parse_file("SYSLOG", &level_ce);
+
+       if (!strcmp(facility_ce.u.string, "LOG_DAEMON"))
+               syslog_facility = LOG_DAEMON;
+       else if (!strcmp(facility_ce.u.string, "LOG_KERN"))
+               syslog_facility = LOG_KERN;
+       else if (!strcmp(facility_ce.u.string, "LOG_LOCAL0"))
+               syslog_facility = LOG_LOCAL0;
+       else if (!strcmp(facility_ce.u.string, "LOG_LOCAL1"))
+               syslog_facility = LOG_LOCAL1;
+       else if (!strcmp(facility_ce.u.string, "LOG_LOCAL2"))
+               syslog_facility = LOG_LOCAL2;
+       else if (!strcmp(facility_ce.u.string, "LOG_LOCAL3"))
+               syslog_facility = LOG_LOCAL3;
+       else if (!strcmp(facility_ce.u.string, "LOG_LOCAL4"))
+               syslog_facility = LOG_LOCAL4;
+       else if (!strcmp(facility_ce.u.string, "LOG_LOCAL5"))
+               syslog_facility = LOG_LOCAL5;
+       else if (!strcmp(facility_ce.u.string, "LOG_LOCAL6"))
+               syslog_facility = LOG_LOCAL6;
+       else if (!strcmp(facility_ce.u.string, "LOG_LOCAL7"))
+               syslog_facility = LOG_LOCAL7;
+       else if (!strcmp(facility_ce.u.string, "LOG_USER"))
+               syslog_facility = LOG_USER;
+       else {
+               ulogd_log(ULOGD_FATAL, "unknown facility '%s'\n",
+                         facility_ce.u.string);
+               exit(2);
+       }
+
+       if (!strcmp(level_ce.u.string, "LOG_EMERG"))
+               syslog_level = LOG_EMERG;
+       else if (!strcmp(level_ce.u.string, "LOG_ALERT"))
+               syslog_level = LOG_ALERT;
+       else if (!strcmp(level_ce.u.string, "LOG_CRIT"))
+               syslog_level = LOG_CRIT;
+       else if (!strcmp(level_ce.u.string, "LOG_ERR"))
+               syslog_level = LOG_ERR;
+       else if (!strcmp(level_ce.u.string, "LOG_WARNING"))
+               syslog_level = LOG_WARNING;
+       else if (!strcmp(level_ce.u.string, "LOG_NOTICE"))
+               syslog_level = LOG_NOTICE;
+       else if (!strcmp(level_ce.u.string, "LOG_INFO"))
+               syslog_level = LOG_INFO;
+       else if (!strcmp(level_ce.u.string, "LOG_DEBUG"))
+               syslog_level = LOG_DEBUG;
+       else {
+               ulogd_log(ULOGD_FATAL, "unknown level '%s'\n",
+                         level_ce.u.string);
+               exit(2);
+       }
+
+       openlog("ulogd", LOG_NDELAY|LOG_PID, syslog_facility);
+
+       return 0;
+}
+
+static void syslog_fini(void)
+{
+       closelog();
+}
+
+static ulog_output_t syslog_op = { 
+       .name = "syslog", 
+       .init = &syslog_init,
+       .fini = &syslog_fini,
+       .output = &_output_syslog,
+};
+
+
+void _init(void)
+{
+       if (printpkt_init())
+               ulogd_log(ULOGD_ERROR, "can't resolve all keyhash id's\n");
+
+       register_output(&syslog_op);
+}