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/*
* (C) 2006 by Pablo Neira Ayuso <pablo@netfilter.org>
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Description: Logging support for the conntrack daemon
*/
#include <stdio.h>
#include <time.h>
#include <stdarg.h>
#include <string.h>
#include "conntrackd.h"
FILE *init_log(char *filename)
{
FILE *fd = NULL;
if (filename[0]) {
fd = fopen(filename, "a+");
if (fd == NULL) {
fprintf(stderr, "can't open log file `%s'\n", filename);
return NULL;
}
}
if (CONFIG(syslog_facility) != -1)
openlog(PACKAGE, LOG_PID, CONFIG(syslog_facility));
return fd;
}
void dlog(FILE *fd, int priority, char *format, ...)
{
time_t t;
char *buf;
char *prio;
va_list args;
if (fd) {
t = time(NULL);
buf = ctime(&t);
buf[strlen(buf)-1]='\0';
switch (priority) {
case LOG_INFO:
prio = "info";
break;
case LOG_NOTICE:
prio = "notice";
break;
case LOG_WARNING:
prio = "warning";
break;
case LOG_ERR:
prio = "ERROR";
break;
default:
prio = "?";
break;
}
va_start(args, format);
fprintf(fd, "[%s] (pid=%d) [%s] ", buf, getpid(), prio);
vfprintf(fd, format, args);
va_end(args);
fprintf(fd, "\n");
fflush(fd);
}
if (CONFIG(syslog_facility) != -1) {
va_start(args, format);
vsyslog(priority, format, args);
va_end(args);
}
}
void close_log(FILE *fd)
{
if (fd != NULL)
fclose(fd);
if (CONFIG(syslog_facility) != -1)
closelog();
}
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