log.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
* All rights reserved
*
* As far as I am concerned, the code I have written for this software
* can be used freely for any purpose. Any derived versions of this
* software must be clearly marked as such, and if the derived work is
* incompatible with the protocol description in the RFC file, it must be
* called by a name other than "ssh" or "Secure Shell".
*/
/*
* Copyright (c) 2000 Markus Friedl. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include "includes.h"
#pragma ident "%Z%%M% %I% %E% SMI"
#include "log.h"
#include "xmalloc.h"
#include <syslog.h>
static int log_on_stderr = 1;
static int log_facility = LOG_AUTH;
static char *argv0;
extern char *__progname;
static const char *log_txt_prefix = "";
/* textual representation of log-facilities/levels */
static struct {
const char *name;
} log_facilities[] = {
{ "DAEMON", SYSLOG_FACILITY_DAEMON },
{ "USER", SYSLOG_FACILITY_USER },
{ "AUTH", SYSLOG_FACILITY_AUTH },
#ifdef LOG_AUTHPRIV
{ "AUTHPRIV", SYSLOG_FACILITY_AUTHPRIV },
#endif
{ "LOCAL0", SYSLOG_FACILITY_LOCAL0 },
{ "LOCAL1", SYSLOG_FACILITY_LOCAL1 },
{ "LOCAL2", SYSLOG_FACILITY_LOCAL2 },
{ "LOCAL3", SYSLOG_FACILITY_LOCAL3 },
{ "LOCAL4", SYSLOG_FACILITY_LOCAL4 },
{ "LOCAL5", SYSLOG_FACILITY_LOCAL5 },
{ "LOCAL6", SYSLOG_FACILITY_LOCAL6 },
{ "LOCAL7", SYSLOG_FACILITY_LOCAL7 },
};
static struct {
const char *name;
} log_levels[] =
{
{ "QUIET", SYSLOG_LEVEL_QUIET },
{ "FATAL", SYSLOG_LEVEL_FATAL },
{ "ERROR", SYSLOG_LEVEL_ERROR },
{ "NOTICE", SYSLOG_LEVEL_NOTICE },
{ "INFO", SYSLOG_LEVEL_INFO },
{ "VERBOSE", SYSLOG_LEVEL_VERBOSE },
{ "DEBUG", SYSLOG_LEVEL_DEBUG1 },
{ "DEBUG1", SYSLOG_LEVEL_DEBUG1 },
{ "DEBUG2", SYSLOG_LEVEL_DEBUG2 },
{ "DEBUG3", SYSLOG_LEVEL_DEBUG3 },
{ NULL, SYSLOG_LEVEL_NOT_SET }
};
log_facility_number(char *name)
{
int i;
for (i = 0; log_facilities[i].name; i++)
return log_facilities[i].val;
return SYSLOG_FACILITY_NOT_SET;
}
log_level_number(char *name)
{
int i;
for (i = 0; log_levels[i].name; i++)
return log_levels[i].val;
return SYSLOG_LEVEL_NOT_SET;
}
void
set_log_txt_prefix(const char *txt)
{
}
/* Error messages that should be logged. */
void
{
}
void
{
}
/* Log this message (information that usually should go to the log). */
void
{
}
/* More detailed messages (information that does not need to go to the log). */
void
{
}
/* Debugging messages that should not be logged during normal operation. */
void
{
}
void
{
}
void
{
}
/* Fatal cleanup */
struct fatal_cleanup {
struct fatal_cleanup *next;
void (*proc) (void *);
void *context;
};
/* Registers a cleanup function to be called by fatal() before exiting. */
void
{
struct fatal_cleanup *cu;
fatal_cleanups = cu;
}
/* Removes a cleanup frunction to be called at fatal(). */
void
{
return;
}
}
debug3("fatal_remove_cleanup: no such cleanup function: 0x%lx 0x%lx",
}
/* Remove all cleanups, to be called after fork() */
void
{
}
}
/* Cleanup and exit */
void
fatal_cleanup(void)
{
static int called = 0;
if (called)
exit(255);
called = 1;
/* Call cleanup functions. */
debug("Calling cleanup 0x%lx(0x%lx)",
}
exit(255);
}
/*
* Initialize the log.
*/
void
{
switch (level) {
case SYSLOG_LEVEL_QUIET:
case SYSLOG_LEVEL_FATAL:
case SYSLOG_LEVEL_ERROR:
case SYSLOG_LEVEL_NOTICE:
case SYSLOG_LEVEL_INFO:
case SYSLOG_LEVEL_VERBOSE:
case SYSLOG_LEVEL_DEBUG1:
case SYSLOG_LEVEL_DEBUG2:
case SYSLOG_LEVEL_DEBUG3:
break;
default:
(int) level);
exit(1);
}
if (on_stderr)
return;
switch (facility) {
case SYSLOG_FACILITY_DAEMON:
break;
case SYSLOG_FACILITY_USER:
break;
case SYSLOG_FACILITY_AUTH:
break;
#ifdef LOG_AUTHPRIV
case SYSLOG_FACILITY_AUTHPRIV:
break;
#endif
case SYSLOG_FACILITY_LOCAL0:
break;
case SYSLOG_FACILITY_LOCAL1:
break;
case SYSLOG_FACILITY_LOCAL2:
break;
case SYSLOG_FACILITY_LOCAL3:
break;
case SYSLOG_FACILITY_LOCAL4:
break;
case SYSLOG_FACILITY_LOCAL5:
break;
case SYSLOG_FACILITY_LOCAL6:
break;
case SYSLOG_FACILITY_LOCAL7:
break;
default:
"Unrecognized internal syslog facility code %d\n",
(int) facility);
exit(1);
}
}
#define MSGBUFSIZ 1024
/* PRINTFLIKE2 */
void
{
* Localize user messages - not
* syslog()ed messages.
*/
return;
switch (level) {
case SYSLOG_LEVEL_FATAL:
if (!log_on_stderr)
txt = "fatal";
break;
case SYSLOG_LEVEL_ERROR:
if (!log_on_stderr)
txt = "error";
break;
case SYSLOG_LEVEL_NOTICE:
pri = LOG_NOTICE;
break;
case SYSLOG_LEVEL_INFO:
break;
case SYSLOG_LEVEL_VERBOSE:
break;
case SYSLOG_LEVEL_DEBUG1:
txt = "debug1";
/*
* Don't localize debug messages - such are not intended
* for users but for support staff whose preferred
* language is unknown, therefore we default to the
* language used in the source code: English.
*/
do_gettext = 0;
break;
case SYSLOG_LEVEL_DEBUG2:
txt = "debug2";
do_gettext = 0; /* Don't localize debug messages. */
break;
case SYSLOG_LEVEL_DEBUG3:
txt = "debug3";
do_gettext = 0; /* Don't localize debug messages. */
break;
default:
txt = "internal error";
break;
}
} else {
args);
}
if (log_on_stderr) {
} else {
closelog();
}
}