mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-11-22 03:04:34 +01:00
162 lines
3.0 KiB
C
162 lines
3.0 KiB
C
/* $OpenBSD: log.c,v 1.1 2008/06/26 15:10:01 pyr Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
|
|
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
|
|
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <errno.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <syslog.h>
|
|
#include <time.h>
|
|
|
|
void log_init(int);
|
|
void log_warn(const char *, ...);
|
|
void log_warnx(const char *, ...);
|
|
void log_info(const char *, ...);
|
|
void log_debug(const char *, ...);
|
|
__dead2 void fatal(const char *);
|
|
__dead2 void fatalx(const char *);
|
|
|
|
int debug;
|
|
|
|
void vlog(int, const char *, va_list);
|
|
void logit(int, const char *, ...);
|
|
|
|
void
|
|
log_init(int n_debug)
|
|
{
|
|
extern char *__progname;
|
|
|
|
debug = n_debug;
|
|
|
|
if (!debug)
|
|
openlog(__progname, LOG_PID | LOG_NDELAY, LOG_DAEMON);
|
|
|
|
tzset();
|
|
}
|
|
|
|
void
|
|
logit(int pri, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
va_start(ap, fmt);
|
|
vlog(pri, fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
void
|
|
vlog(int pri, const char *fmt, va_list ap)
|
|
{
|
|
char *nfmt;
|
|
|
|
if (debug) {
|
|
/* best effort in out of mem situations */
|
|
if (asprintf(&nfmt, "%s\n", fmt) == -1) {
|
|
vfprintf(stderr, fmt, ap);
|
|
fprintf(stderr, "\n");
|
|
} else {
|
|
vfprintf(stderr, nfmt, ap);
|
|
free(nfmt);
|
|
}
|
|
fflush(stderr);
|
|
} else
|
|
vsyslog(pri, fmt, ap);
|
|
}
|
|
|
|
|
|
void
|
|
log_warn(const char *emsg, ...)
|
|
{
|
|
char *nfmt;
|
|
va_list ap;
|
|
|
|
/* best effort to even work in out of memory situations */
|
|
if (emsg == NULL)
|
|
logit(LOG_CRIT, "%s", strerror(errno));
|
|
else {
|
|
va_start(ap, emsg);
|
|
|
|
if (asprintf(&nfmt, "%s: %s", emsg, strerror(errno)) == -1) {
|
|
/* we tried it... */
|
|
vlog(LOG_CRIT, emsg, ap);
|
|
logit(LOG_CRIT, "%s", strerror(errno));
|
|
} else {
|
|
vlog(LOG_CRIT, nfmt, ap);
|
|
free(nfmt);
|
|
}
|
|
va_end(ap);
|
|
}
|
|
}
|
|
|
|
void
|
|
log_warnx(const char *emsg, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
va_start(ap, emsg);
|
|
vlog(LOG_CRIT, emsg, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
void
|
|
log_info(const char *emsg, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
va_start(ap, emsg);
|
|
vlog(LOG_INFO, emsg, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
void
|
|
log_debug(const char *emsg, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
if (debug > 1) {
|
|
va_start(ap, emsg);
|
|
vlog(LOG_DEBUG, emsg, ap);
|
|
va_end(ap);
|
|
}
|
|
}
|
|
|
|
void
|
|
fatal(const char *emsg)
|
|
{
|
|
if (emsg == NULL)
|
|
logit(LOG_CRIT, "fatal: %s", strerror(errno));
|
|
else
|
|
if (errno)
|
|
logit(LOG_CRIT, "fatal: %s: %s",
|
|
emsg, strerror(errno));
|
|
else
|
|
logit(LOG_CRIT, "fatal: %s", emsg);
|
|
|
|
exit(1);
|
|
}
|
|
|
|
void
|
|
fatalx(const char *emsg)
|
|
{
|
|
errno = 0;
|
|
fatal(emsg);
|
|
}
|