source: openpam/trunk/lib/openpam_log.c @ 37

Last change on this file since 37 was 37, checked in by Dag-Erling Smørgrav, 17 years ago

Provide a fallback for platforms that don't support varadic macros.

Sponsored by: DARPA, NAI Labs

  • Property svn:keywords set to Id LastChangedRevision HeadURL LastChangedDate LastChangedBy
File size: 3.1 KB
Line 
1/*-
2 * Copyright (c) 2002 Networks Associates Technologies, Inc.
3 * All rights reserved.
4 *
5 * This software was developed for the FreeBSD Project by ThinkSec AS and
6 * NAI Labs, the Security Research Division of Network Associates, Inc.
7 * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
8 * DARPA CHATS research program.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. The name of the author may not be used to endorse or promote
19 *    products derived from this software without specific prior written
20 *    permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * $Id: openpam_log.c 37 2002-02-06 16:03:18Z des $
35 */
36
37#include <stdarg.h>
38#include <stdio.h>
39#include <stdlib.h>
40#include <syslog.h>
41
42#include <security/pam_appl.h>
43
44#include "openpam_impl.h"
45
46#if defined(openpam_log)
47
48/*
49 * Log a message through syslog(3)
50 */
51
52void
53_openpam_log(int level, const char *func, const char *fmt, ...)
54{
55        va_list ap;
56        char *format;
57        int priority;
58
59        switch (level) {
60        case PAM_LOG_DEBUG:
61                priority = LOG_DEBUG;
62                break;
63        case PAM_LOG_VERBOSE:
64                priority = LOG_INFO;
65                break;
66        case PAM_LOG_NOTICE:
67                priority = LOG_NOTICE;
68                break;
69        case PAM_LOG_ERROR:
70                priority = LOG_ERR;
71                break;
72        }
73        va_start(ap, fmt);
74        if ((format = malloc(strlen(func) + strlen(fmt) + 8)) != NULL) {
75                sprintf(format, "in %s(): %s", func, fmt);
76                vsyslog(priority, format, ap);
77                free(format);
78        } else {
79                vsyslog(priority, fmt, ap);
80        }
81        va_end(ap);
82}
83
84#else
85
86/*
87 * If openpam_log isn't defined as a macro, we're on a platform that
88 * doesn't support varadic macros (or it does but we aren't aware of
89 * it).  Do the next best thing.
90 */
91
92void
93openpam_log(int level, const char *fmt, ...)
94{
95        va_list ap;
96        int priority;
97
98        switch (level) {
99        case PAM_LOG_DEBUG:
100                priority = LOG_DEBUG;
101                break;
102        case PAM_LOG_VERBOSE:
103                priority = LOG_INFO;
104                break;
105        case PAM_LOG_NOTICE:
106                priority = LOG_NOTICE;
107                break;
108        case PAM_LOG_ERROR:
109                priority = LOG_ERR;
110                break;
111        }
112        va_start(ap, fmt);
113        vsyslog(priority, fmt, ap);
114        va_end(ap);
115}
116
117#endif
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