1 /* $NetBSD: msg.c,v 1.2 2011/02/12 23:21:32 christos Exp $ */
2
3 /* Copyright (c) 2010 The NetBSD Foundation, Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by the NetBSD
17 * Foundation, Inc. and its contributors.
18 * 4. Neither the name of The NetBSD Foundation nor the names of its
19 * contributors may be used to endorse or promote products derived
20 * from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
33 */
34 #include <sys/cdefs.h>
35 __RCSID("$NetBSD: msg.c,v 1.2 2011/02/12 23:21:32 christos Exp $");
36
37 #include <stdarg.h>
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <syslog.h>
41
42 #include "msg.h"
43
44 /**
45 * XXX: global debug flag. This is unique as it is set as early as
46 * possible by checking the environment (looking for SASLC_ENV_DEBUG)
47 * and the context, mechanism, and session dictionaries (looking for
48 * SASLC_PROP_DEBUG) as soon as they become available. Hence, the
49 * lookups are scattered in 4 places. It's ugly.
50 *
51 * It's also global so it isn't tied to a session, but this makes it
52 * easly to use debugging messages as you don't need a context
53 * pointer.
54 */
55 bool saslc_debug = false;
56
57 /**
58 * @brief conditionally log a message via syslogd
59 * @param flag log the message or not
60 * @param priority syslogd priority to log with
61 * @param fmt message format string
62 * @param ... format parameters
63 */
64 void
saslc__msg_syslog(bool flag,int priority,const char * fmt,...)65 saslc__msg_syslog(bool flag, int priority, const char *fmt, ...)
66 {
67 va_list ap;
68 char *tmp;
69
70 if (!flag)
71 return;
72
73 va_start(ap, fmt);
74 if (asprintf(&tmp, "libsaslc: %s", fmt) != -1) {
75 vsyslog(priority, tmp, ap);
76 free(tmp);
77 }
78 va_end(ap);
79 }
80