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/* ulogd_LOGEMU.c, Version $Revision: 1.15 $
*
* ulogd output target for syslog logging emulation
*
* This target produces a file which looks the same like the syslog-entries
* of the LOG target.
*
* (C) 2000-2001 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_LOGEMU.c,v 1.15 2003/09/28 15:19:26 laforge Exp $
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <ulogd/ulogd.h>
#include <ulogd/conffile.h>
#include "printpkt.c"
#ifndef ULOGD_LOGEMU_DEFAULT
#define ULOGD_LOGEMU_DEFAULT "/var/log/ulogd.syslogemu"
#endif
#ifndef ULOGD_LOGEMU_SYNC_DEFAULT
#define ULOGD_LOGEMU_SYNC_DEFAULT 0
#endif
#define NIPQUAD(addr) \
((unsigned char *)&addr)[0], \
((unsigned char *)&addr)[1], \
((unsigned char *)&addr)[2], \
((unsigned char *)&addr)[3]
static config_entry_t syslogf_ce = { NULL, "file", CONFIG_TYPE_STRING,
CONFIG_OPT_NONE, 0,
{ string: ULOGD_LOGEMU_DEFAULT } };
static config_entry_t syslsync_ce = { &syslogf_ce, "sync",
CONFIG_TYPE_INT, CONFIG_OPT_NONE, 0,
{ value: ULOGD_LOGEMU_SYNC_DEFAULT }
};
static FILE *of = NULL;
int _output_logemu(ulog_iret_t *res)
{
static char buf[4096];
printpkt_print(res, buf, 1);
fprintf(of, "%s", buf);
if (syslsync_ce.u.value)
fflush(of);
return 0;
}
void sighup_handler_logemu(int signal)
{
switch (signal) {
case SIGHUP:
ulogd_log(ULOGD_NOTICE, "syslogemu: reopening logfile\n");
fclose(of);
of = fopen(syslogf_ce.u.string, "a");
if (!of) {
ulogd_log(ULOGD_FATAL, "can't open syslogemu: %s\n",
strerror(errno));
exit(2);
}
break;
default:
break;
}
}
static ulog_output_t logemu_op =
{ NULL, "syslogemu", &_output_logemu, &sighup_handler_logemu };
void _init(void)
{
/* FIXME: error handling */
config_parse_file("LOGEMU", &syslsync_ce);
#ifdef DEBUG_LOGEMU
of = stdout;
#else
of = fopen(syslogf_ce.u.string, "a");
if (!of) {
ulogd_log(ULOGD_FATAL, "can't open syslogemu: %s\n",
strerror(errno));
exit(2);
}
#endif
if (printpkt_init()) {
ulogd_log(ULOGD_ERROR, "can't resolve all keyhash id's\n");
}
register_output(&logemu_op);
}
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