NetBSD/usr.sbin/sup/source/log.c

167 lines
3.7 KiB
C

/* $NetBSD: log.c,v 1.9 2007/12/20 20:17:52 christos Exp $ */
/*
* Copyright (c) 1992 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
/*
* Logging support for SUP
**********************************************************************
* HISTORY
* Revision 1.5 92/08/11 12:03:43 mrt
* Brad's delinting and variable argument list usage
* changes. Added copyright.
*
* Revision 1.3 89/08/15 15:30:37 bww
* Updated to use v*printf() in place of _doprnt().
* From "[89/04/19 mja]" at CMU.
* [89/08/15 bww]
*
* 27-Dec-87 Glenn Marcy (gm0w) at Carnegie-Mellon University
* Added check to allow logopen() to be called multiple times.
*
* 20-May-87 Glenn Marcy (gm0w) at Carnegie-Mellon University
* Created.
*
**********************************************************************
*/
#include <stdio.h>
#include <sys/syslog.h>
#include "supcdefs.h"
#include "supextern.h"
#include "c.h"
static int opened = 0;
void
logopen(char *program)
{
if (opened)
return;
openlog(program, LOG_PID, LOG_DAEMON);
opened++;
}
void
logquit(int retval, char *fmt, ...)
{
char buf[STRINGLENGTH];
va_list ap;
va_start(ap, fmt);
vsnprintf(buf, sizeof(buf), fmt, ap);
va_end(ap);
if (opened) {
syslog(LOG_ERR, "%s", buf);
closelog();
exit(retval);
}
quit(retval, "SUP: %s\n", buf);
}
void
logerr(char *fmt, ...)
{
char buf[STRINGLENGTH];
va_list ap;
va_start(ap, fmt);
vsnprintf(buf, sizeof(buf), fmt, ap);
va_end(ap);
if (opened) {
syslog(LOG_ERR, "%s", buf);
return;
}
fprintf(stderr, "SUP: %s\n", buf);
(void) fflush(stderr);
}
void
loginfo(char *fmt, ...)
{
char buf[STRINGLENGTH];
va_list ap;
va_start(ap, fmt);
vsnprintf(buf, sizeof(buf), fmt, ap);
va_end(ap);
if (opened) {
syslog(LOG_INFO, "%s", buf);
return;
}
printf("%s\n", buf);
(void) fflush(stdout);
}
#ifdef LIBWRAP
#include <tcpd.h>
#ifndef LIBWRAP_ALLOW_FACILITY
#define LIBWRAP_ALLOW_FACILITY LOG_AUTH
#endif
#ifndef LIBWRAP_ALLOW_SEVERITY
#define LIBWRAP_ALLOW_SEVERITY LOG_INFO
#endif
#ifndef LIBWRAP_DENY_FACILITY
#define LIBWRAP_DENY_FACILITY LOG_AUTH
#endif
#ifndef LIBWRAP_DENY_SEVERITY
#define LIBWRAP_DENY_SEVERITY LOG_WARNING
#endif
int allow_severity = LIBWRAP_ALLOW_FACILITY | LIBWRAP_ALLOW_SEVERITY;
int deny_severity = LIBWRAP_DENY_FACILITY | LIBWRAP_DENY_SEVERITY;
void
logdeny(char *fmt, ...)
{
char buf[STRINGLENGTH];
va_list ap;
va_start(ap, fmt);
vsnprintf(buf, sizeof(buf), fmt, ap);
va_end(ap);
if (opened) {
syslog(deny_severity, "%s", buf);
return;
}
printf("%s\n", buf);
(void) fflush(stdout);
}
void
logallow(char *fmt, ...)
{
char buf[STRINGLENGTH];
va_list ap;
va_start(ap, fmt);
vsnprintf(buf, sizeof(buf), fmt, ap);
va_end(ap);
if (opened) {
syslog(allow_severity, "%s", buf);
return;
}
printf("%s\n", buf);
(void) fflush(stdout);
}
#endif /* LIBWRAP */