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/*-
* Copyright (c) 2002 Networks Associates Technologies, Inc.
* All rights reserved.
*
* This software was developed for the FreeBSD Project by ThinkSec AS and
* NAI Labs, the Security Research Division of Network Associates, Inc.
* under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
* DARPA CHATS research program.
*
* 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
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*
* $P4: //depot/projects/openpam/lib/openpam_log.c#9 $
*/
#include <ctype.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <syslog.h>
#include <security/pam_appl.h>
#include "openpam_impl.h"
#if defined(openpam_log)
/*
* OpenPAM extension
*
* Log a message through syslog(3)
*/
void
_openpam_log(int level, const char *func, const char *fmt, ...)
{
va_list ap;
char *format;
int len, priority;
switch (level) {
case PAM_LOG_DEBUG:
priority = LOG_DEBUG;
break;
case PAM_LOG_VERBOSE:
priority = LOG_INFO;
break;
case PAM_LOG_NOTICE:
priority = LOG_NOTICE;
break;
case PAM_LOG_ERROR:
priority = LOG_ERR;
break;
}
va_start(ap, fmt);
for (len = strlen(fmt); len > 0 && isspace(fmt[len]); len--)
/* nothing */;
if ((format = malloc(strlen(func) + len + 16)) != NULL) {
sprintf(format, "in %s(): %.*s\n", func, len, fmt);
vsyslog(priority, format, ap);
#ifdef DEBUG
vfprintf(stderr, format, ap);
#endif
free(format);
} else {
vsyslog(priority, fmt, ap);
}
va_end(ap);
}
#else
/*
* If openpam_log isn't defined as a macro, we're on a platform that
* doesn't support varadic macros (or it does but we aren't aware of
* it). Do the next best thing.
*/
void
openpam_log(int level, const char *fmt, ...)
{
va_list ap;
int priority;
switch (level) {
case PAM_LOG_DEBUG:
priority = LOG_DEBUG;
break;
case PAM_LOG_VERBOSE:
priority = LOG_INFO;
break;
case PAM_LOG_NOTICE:
priority = LOG_NOTICE;
break;
case PAM_LOG_ERROR:
priority = LOG_ERR;
break;
}
va_start(ap, fmt);
vsyslog(priority, fmt, ap);
va_end(ap);
}
#endif
/*
* NOLIST
*/
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