source: openpam/trunk/lib/openpam_log.c @ 151

Last change on this file since 151 was 151, checked in by Dag-Erling Smørgrav, 19 years ago

Conditionalize debugging messages in !STDC, !GNUC case.

File size: 3.4 KB
Line 
1/*-
2 * Copyright (c) 2002 Networks Associates Technology, 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 * $P4: //depot/projects/openpam/lib/openpam_log.c#14 $
35 */
36
37#include <ctype.h>
38#include <stdarg.h>
39#include <stdio.h>
40#include <stdlib.h>
41#include <string.h>
42#include <syslog.h>
43
44#include <security/pam_appl.h>
45
46#include "openpam_impl.h"
47
48#if defined(openpam_log)
49
50/*
51 * OpenPAM extension
52 *
53 * Log a message through syslog(3)
54 */
55
56void
57_openpam_log(int level, const char *func, const char *fmt, ...)
58{
59        va_list ap;
60        char *format;
61        int len, priority;
62
63        switch (level) {
64        case PAM_LOG_DEBUG:
65#ifndef DEBUG
66                return;
67#endif
68                priority = LOG_DEBUG;
69                break;
70        case PAM_LOG_VERBOSE:
71                priority = LOG_INFO;
72                break;
73        case PAM_LOG_NOTICE:
74                priority = LOG_NOTICE;
75                break;
76        case PAM_LOG_ERROR:
77                priority = LOG_ERR;
78                break;
79        }
80        va_start(ap, fmt);
81        for (len = strlen(fmt); len > 0 && isspace(fmt[len]); len--)
82                /* nothing */;
83        if ((format = malloc(strlen(func) + len + 16)) != NULL) {
84                sprintf(format, "in %s(): %.*s\n", func, len, fmt);
85                vsyslog(priority, format, ap);
86                free(format);
87        } else {
88                vsyslog(priority, fmt, ap);
89        }
90        va_end(ap);
91}
92
93#else
94
95/*
96 * If openpam_log isn't defined as a macro, we're on a platform that
97 * doesn't support varadic macros (or it does but we aren't aware of
98 * it).  Do the next best thing.
99 */
100
101void
102openpam_log(int level, const char *fmt, ...)
103{
104        va_list ap;
105        int priority;
106
107        switch (level) {
108        case PAM_LOG_DEBUG:
109#ifndef DEBUG
110                return;
111#endif
112                priority = LOG_DEBUG;
113                break;
114        case PAM_LOG_VERBOSE:
115                priority = LOG_INFO;
116                break;
117        case PAM_LOG_NOTICE:
118                priority = LOG_NOTICE;
119                break;
120        case PAM_LOG_ERROR:
121                priority = LOG_ERR;
122                break;
123        }
124        va_start(ap, fmt);
125        vsyslog(priority, fmt, ap);
126        va_end(ap);
127}
128
129#endif
130
131/*
132 * NOLIST
133 */
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